/* ============================================
   PRODUCTION-READY PORTFOLIO CSS
   Variant B: Modern & Interactive
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================ */
:root {
  /* Color Palette — WCAG AA Compliant */
  --color-primary: #6366f1; /* Indigo 500 */
  --color-primary-light: #818cf8; /* Indigo 400 */
  --color-primary-dark: #4f46e5; /* Indigo 600 */
  --color-secondary: #8b5cf6; /* Purple 500 */
  --color-accent: #ec4899; /* Pink 500 */
  
  /* Backgrounds */
  --color-bg: #0f172a; /* Slate 900 */
  --color-bg-alt: #1e293b; /* Slate 800 */
  --color-surface: #1e293b; /* Slate 800 */
  --color-surface-elevated: #334155; /* Slate 700 */
  
  /* Text */
  --color-text: #e2e8f0; /* Slate 200 — 4.5:1 contrast on bg */
  --color-text-secondary: #cbd5e1; /* Slate 300 */
  --color-text-muted: #94a3b8; /* Slate 400 — 3.5:1 minimum */
  
  /* Borders */
  --color-border: #334155; /* Slate 700 */
  --color-border-light: #475569; /* Slate 600 */
  
  /* Typography Scale (1.250 — Major Third) */
  --font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font-primary);
  
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px — body */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.563rem;  /* 25px */
  --font-size-3xl: 1.953rem;  /* 31px */
  --font-size-4xl: 2.441rem;  /* 39px */
  --font-size-5xl: 3.052rem;  /* 49px — H1 */
  
  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing Scale (8px base) */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */
  --space-4xl: 6rem;     /* 96px */
  --space-5xl: 8rem;     /* 128px */
  
  /* Border Radius */
  --radius-sm: 0.25rem;  /* 4px */
  --radius-md: 0.5rem;   /* 8px */
  --radius-lg: 0.75rem;  /* 12px */
  --radius-xl: 1rem;     /* 16px */
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 600ms cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Layout */
  --container-max: 1280px;
  --container-padding: var(--space-lg);
  
  /* Z-index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-tooltip: 600;
  
  /* RGB values for glassmorphism */
  --color-bg-rgb: 15, 23, 42; /* Slate 900 */
}

/* Light Theme (user preference) */
[data-theme="light"] {
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-surface: #f1f5f9;
  --color-surface-elevated: #e2e8f0;
  --color-text: #0f172a; /* 16.9:1 contrast */
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-border-light: #cbd5e1;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --color-bg-rgb: 255, 255, 255; /* RGB for glassmorphism */
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Selection */
::selection {
  background-color: var(--color-primary);
  color: white;
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Remove outline for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  border-radius: 0 0 var(--radius-md) 0;
  font-weight: var(--font-weight-semibold);
  z-index: var(--z-tooltip);
}

.skip-link:focus {
  top: 0;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary);
}

ul, ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

li {
  margin-bottom: var(--space-sm);
}

strong {
  font-weight: var(--font-weight-semibold);
}

code {
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.9em;
  background: var(--color-surface);
  padding: 0.125rem 0.25rem;
  border-radius: var(--radius-sm);
}

pre {
  background: var(--color-surface);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-md);
}

/* ============================================
   LAYOUT CONTAINERS
   ============================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

.section {
  padding: var(--space-3xl) 0;
}

.section__title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: left;
  animation: slideInLine 0.6s var(--transition-bounce) forwards;
}

@keyframes slideInLine {
  to { transform: scaleX(1); }
}

.section__description {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

/* ============================================
   NAVIGATION - PREMIUM ENTERPRISE DESIGN
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(var(--color-bg-rgb), 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(var(--color-bg-rgb), 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--color-border-light);
}

.nav__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md) var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

/* Premium Logo Design */
.nav__logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  transition: transform var(--transition-base);
}

.nav__logo-link:hover {
  transform: translateY(-2px);
}

.nav__logo-icon {
  display: block;
  transition: transform var(--transition-base);
}

.nav__logo-link:hover .nav__logo-icon {
  transform: rotate(-5deg) scale(1.05);
}

/* Animated logo elements */
@media (prefers-reduced-motion: no-preference) {
  .logo-dot {
    animation: pulse-dot 2s ease-in-out infinite;
  }
}

@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(0.8);
  }
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav__logo-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  font-family: var(--font-display);
  line-height: 1;
  letter-spacing: -0.02em;
}

.nav__logo-tag {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Navigation Menu */
.nav__menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
}

.nav__item {
  position: relative;
}

/* Divider between nav items and actions */
.nav__item--divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  margin: 0 var(--space-sm);
}

/* Enhanced Nav Links */
.nav__link {
  display: block;
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  text-decoration: none;
  padding: var(--space-sm) var(--space-md);
  position: relative;
  transition: all var(--transition-base);
  border-radius: var(--radius-md);
}

.nav__link-text {
  position: relative;
  z-index: 1;
}

/* Active indicator dot */
.nav__link-indicator {
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%) scale(0);
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
  transition: transform var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb, 99, 102, 241), 0.1);
}

.nav__link:hover .nav__link-indicator,
.nav__link.active .nav__link-indicator {
  transform: translateX(-50%) scale(1);
}

/* CTA Button in Nav */
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

.nav__cta svg {
  transition: transform var(--transition-base);
}

.nav__cta:hover svg {
  transform: translateX(4px);
}

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: var(--z-fixed);
  border-radius: var(--radius-md);
  transition: background var(--transition-base);
}

.nav__toggle:hover {
  background: rgba(var(--color-primary-rgb, 99, 102, 241), 0.1);
}

.nav__toggle-line {
  width: 26px;
  height: 2.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav__toggle[aria-expanded=\"true\"] .nav__toggle-line:nth-child(1) {
  transform: rotate(45deg) translateY(7.5px);
}

.nav__toggle[aria-expanded=\"true\"] .nav__toggle-line:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.nav__toggle[aria-expanded=\"true\"] .nav__toggle-line:nth-child(3) {
  transform: rotate(-45deg) translateY(-7.5px);
}

/* Enhanced Theme Toggle */
.theme-toggle {
  background: transparent;
  border: 2px solid var(--color-border);
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb, 99, 102, 241), 0.1);
  transform: rotate(15deg);
}

.theme-toggle__icon {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.theme-toggle__icon--sun {
  opacity: 0;
  transform: rotate(180deg) scale(0);
  position: absolute;
}

.theme-toggle__icon--moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme=\"light\"] .theme-toggle__icon--moon {
  opacity: 0;
  transform: rotate(-180deg) scale(0);
  position: absolute;
}

[data-theme=\"light\"] .theme-toggle__icon--sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
  position: relative;
}

/* ============================================
   HERO SECTION - FIXED & ENTERPRISE ENHANCED
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: calc(var(--space-3xl) + 80px);
  overflow: hidden;
  background: var(--color-bg);
}

.hero__container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-4xl);
  align-items: center;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* CRITICAL FIX: Ensure hero content is visible by default */
.hero__content {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

/* Only animate if motion is not reduced */
@media (prefers-reduced-motion: no-preference) {
  .hero__content {
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__greeting {
  font-size: var(--font-size-base);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: inline-block;
  position: relative;
}

/* Enterprise micro-animation: Greeting underline */
.hero__greeting::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.5s;
}

@media (prefers-reduced-motion: no-preference) {
  .hero__content:not([style*="opacity: 0"]) .hero__greeting::after,
  .hero__greeting:hover::after {
    width: 100%;
  }
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
  line-height: 1.1;
  background: linear-gradient(135deg, 
    var(--color-primary-light) 0%, 
    var(--color-secondary) 50%,
    var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Fallback for browsers without background-clip support */
@supports not (background-clip: text) {
  .hero__title {
    color: var(--color-primary-light);
    background: none;
  }
}

.hero__subtitle {
  font-size: clamp(1.25rem, 3vw, var(--font-size-2xl));
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-lg);
  position: relative;
  display: inline-block;
}

/* Blinking cursor effect */
.hero__subtitle::after {
  content: '';
  width: 3px;
  height: 1.2em;
  background: var(--color-primary);
  display: inline-block;
  margin-left: 8px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
  max-width: 640px;
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  align-items: center;
}

/* Enterprise button with shine effect */
.hero__cta .btn--primary {
  position: relative;
  overflow: hidden;
  z-index: 1;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero__cta .btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.3), 
    transparent);
  transition: left 0.6s;
  z-index: -1;
}

.hero__cta .btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.hero__cta .btn--primary:hover::before {
  left: 100%;
}

/* Hero visual - FIXED */
.hero__visual {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 500px;
  opacity: 1; /* CRITICAL FIX */
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (prefers-reduced-motion: no-preference) {
  .hero__visual {
    opacity: 0;
    animation: fadeIn 1s ease-out 0.6s forwards;
  }
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* Animated grid background */
.hero__visual-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(
    ellipse 70% 60% at 50% 50%, 
    black 30%, 
    transparent 80%
  );
  -webkit-mask-image: radial-gradient(
    ellipse 70% 60% at 50% 50%, 
    black 30%, 
    transparent 80%
  );
}

@media (prefers-reduced-motion: no-preference) {
  .hero__visual-grid {
    animation: gridMove 25s linear infinite;
  }
}

@keyframes gridMove {
  0% { background-position: 0 0; }
  100% { background-position: 60px 60px; }
}

/* Floating orbs for depth */
.hero__visual::before,
.hero__visual::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  pointer-events: none;
}

.hero__visual::before {
  width: 400px;
  height: 400px;
  background: var(--color-primary);
  top: -100px;
  right: -100px;
}

.hero__visual::after {
  width: 300px;
  height: 300px;
  background: var(--color-secondary);
  bottom: -80px;
  left: -80px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero__visual::before {
    animation: float 8s ease-in-out infinite;
  }
  
  .hero__visual::after {
    animation: float 10s ease-in-out infinite reverse;
  }
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(30px, -30px); }
  66% { transform: translate(-20px, 20px); }
}

/* Scroll indicator - Enhanced Enterprise */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  opacity: 0.7;
  transition: opacity var(--transition-base);
  z-index: 2;
}

.scroll-indicator__line {
  width: 1px;
  height: 30px;
  background: linear-gradient(180deg, transparent, var(--color-primary), transparent);
  margin-bottom: var(--space-xs);
}

@media (prefers-reduced-motion: no-preference) {
  .scroll-indicator {
    opacity: 0;
    animation: fadeIn 1s ease-out 1.5s forwards, 
               bounce 2s ease-in-out 2.5s infinite;
  }
  
  .scroll-indicator__line {
    animation: scrollLine 2s ease-in-out infinite;
  }
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(0.5); opacity: 0.3; }
  50% { transform: scaleY(1); opacity: 1; }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

.scroll-indicator:hover {
  opacity: 1;
}

/* ============================================
   HERO SECTION - ENTERPRISE ENHANCEMENTS
   ============================================ */

/* Animated Background Layers */
.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

/* Gradient Orbs - Floating Light Effects */
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  pointer-events: none;
  will-change: transform;
}

.hero__orb--primary {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  top: -200px;
  right: -200px;
}

.hero__orb--secondary {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-secondary) 0%, transparent 70%);
  bottom: -150px;
  left: -150px;
}

.hero__orb--accent {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@media (prefers-reduced-motion: no-preference) {
  .hero__orb--primary {
    animation: orbFloat1 20s ease-in-out infinite;
  }
  
  .hero__orb--secondary {
    animation: orbFloat2 25s ease-in-out infinite;
  }
  
  .hero__orb--accent {
    animation: orbPulse 15s ease-in-out infinite;
  }
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -80px) scale(1.1); }
  66% { transform: translate(-30px, 40px) scale(0.9); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-60px, 50px) scale(0.9); }
  66% { transform: translate(40px, -30px) scale(1.1); }
}

@keyframes orbPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.2; }
}

/* Animated Grid Lines */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.1;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 20%, transparent 70%);
}

.hero__grid-line {
  position: absolute;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, 
    transparent 0%,
    var(--color-primary) 20%,
    var(--color-secondary) 50%,
    var(--color-accent) 80%,
    transparent 100%
  );
  opacity: 0;
  left: calc(var(--delay) * 25%);
}

@media (prefers-reduced-motion: no-preference) {
  .hero__grid-line {
    animation: lineReveal 3s ease-out var(--delay) forwards;
  }
}

@keyframes lineReveal {
  0% { opacity: 0; transform: translateY(-100%); }
  50% { opacity: 0.4; }
  100% { opacity: 0.2; transform: translateY(0); }
}

/* Floating Particles */
.hero__particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
  left: var(--x);
  top: var(--y);
  opacity: 0;
  box-shadow: 0 0 10px var(--color-primary);
}

@media (prefers-reduced-motion: no-preference) {
  .hero__particle {
    animation: particleFloat var(--duration) ease-in-out var(--delay) infinite;
  }
}

@keyframes particleFloat {
  0%, 100% { opacity: 0; transform: translateY(0) scale(0); }
  10% { opacity: 1; transform: translateY(0) scale(1); }
  90% { opacity: 1; transform: translateY(-100px) scale(1); }
  100% { opacity: 0; transform: translateY(-120px) scale(0); }
}

/* Status Badge */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: rgba(var(--color-primary-rgb), 0.1);
  border: 1px solid rgba(var(--color-primary-rgb), 0.2);
  border-radius: 100px;
  font-size: var(--font-size-sm);
  color: var(--color-primary-light);
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(var(--color-primary-rgb), 0.7); }
  50% { opacity: 0.8; box-shadow: 0 0 0 10px rgba(var(--color-primary-rgb), 0); }
}

/* Enhanced Title */
.hero__title {
  position: relative;
  margin-bottom: var(--space-lg);
}

.hero__title-line {
  position: relative;
  z-index: 1;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
  animation: gradientShift 8s ease-in-out infinite;
}

.hero__title-gradient {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  background: linear-gradient(135deg,
    rgba(99, 102, 241, 0.4) 0%,
    rgba(139, 92, 246, 0.4) 30%,
    rgba(236, 72, 153, 0.4) 60%,
    rgba(99, 102, 241, 0.4) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.15;
  filter: blur(8px);
  user-select: none;
  pointer-events: none;
}

[data-theme="light"] .hero__title-gradient {
  opacity: 0.08;
  filter: blur(6px);
}

[data-theme="light"] .hero__title-line {
  background: linear-gradient(353deg, var(--color-primary) 0%, #c8c6ff 50%, #a58ddc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
  animation: gradientShift 8s ease-in-out infinite;
}

/* Enhanced Subtitle */
.hero__subtitle {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.hero__subtitle-highlight {
  font-size: clamp(1.25rem, 3vw, var(--font-size-2xl));
  font-weight: var(--font-weight-semibold);
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle-separator {
  color: var(--color-primary);
  font-size: var(--font-size-xl);
}

/* Remove old blinking cursor */
.hero__subtitle::after {
  display: none;
}

/* Highlighted Text */
.hero__highlight {
  color: var(--color-primary-light);
  font-weight: var(--font-weight-semibold);
  position: relative;
}

.hero__highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  opacity: 0.5;
}

/* Stats Row */
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  background: rgba(var(--color-primary-rgb), 0.05);
  border: 1px solid rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.hero__stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Enhanced CTA Buttons */
.btn--hero {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.btn--hero svg {
  transition: transform 0.3s ease;
}

.btn--hero:hover svg {
  transform: translateX(4px);
}

/* Social Proof */
.hero__social-proof {
  margin-top: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.hero__company {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-light);
  padding: var(--space-xs) var(--space-md);
  background: rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--radius-md);
}

/* 3D Visual Card */
.hero__card {
  position: relative;
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1;
  background: rgba(var(--color-surface-rgb), 0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(20px);
  transform-style: preserve-3d;
  transition: transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .hero__card {
    animation: cardFloat 6s ease-in-out infinite;
  }
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0) rotateX(0deg) rotateY(0deg); }
  50% { transform: translateY(-20px) rotateX(2deg) rotateY(2deg); }
}

.hero__card-glow {
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle at 50% 50%, 
    rgba(var(--color-primary-rgb), 0.3) 0%,
    transparent 70%
  );
  filter: blur(40px);
  opacity: 0.5;
  z-index: -1;
}

/* Code Preview */
.hero__code {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(var(--color-primary-rgb), 0.2);
}

.hero__code-line {
  opacity: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .hero__code-line {
    animation: codeLine 0.5s ease-out forwards;
  }
  
  .hero__code-line:nth-child(1) { animation-delay: 1s; }
  .hero__code-line:nth-child(2) { animation-delay: 1.2s; }
  .hero__code-line:nth-child(3) { animation-delay: 1.4s; }
  .hero__code-line:nth-child(4) { animation-delay: 1.6s; }
  .hero__code-line:nth-child(5) { animation-delay: 1.8s; }
  .hero__code-line:nth-child(6) { animation-delay: 2s; }
}

@keyframes codeLine {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.hero__code-line--indent {
  padding-left: var(--space-lg);
}

.hero__code-keyword { color: #ff79c6; }
.hero__code-module { color: #8be9fd; }
.hero__code-class { color: #50fa7b; }
.hero__code-function { color: #f1fa8c; }
.hero__code-variable { color: #bd93f9; }
.hero__code-comment { color: #6272a4; font-style: italic; }

/* Metrics Display */
.hero__metrics {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.hero__metric {
  position: relative;
}

.hero__metric-bar {
  height: 8px;
  background: rgba(var(--color-border-rgb), 0.3);
  border-radius: 100px;
  overflow: hidden;
  position: relative;
}

.hero__metric-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: var(--metric, 0%);
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 100px;
  animation: barFill 2s ease-out 2.5s forwards;
  transform-origin: left;
  transform: scaleX(0);
}

@keyframes barFill {
  to { transform: scaleX(1); }
}

.hero__metric-bar--secondary::after {
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
}

.hero__metric-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero__content {
    max-width: 100%;
  }
  
  .hero__cta {
    justify-content: center;
  }
  
  .hero__description {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 768px) {
  .hero__visual {
    display: none;
  }
  
  .hero {
    min-height: calc(100vh - 60px);
    padding-top: calc(var(--space-3xl) + 60px);
  }
  
  .hero__subtitle::after {
    display: none;
  }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-primary);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border-light);
}

.btn--secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn--text {
  background: transparent;
  color: var(--color-primary-light);
  padding: var(--space-sm) var(--space-md);
  font-weight: var(--font-weight-medium);
}

.btn--text:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.btn--small {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn--icon {
  padding: var(--space-sm);
  border-radius: var(--radius-md);
}

.btn--full {
  width: 100%;
}

/* Reduced motion fallback for buttons */
@media (prefers-reduced-motion: reduce) {
  .btn:hover {
    transform: none;
  }
}

/* ============================================
   ABOUT SECTION - PREMIUM DESIGN
   ============================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

/* Premium text container with subtle background */
.about__text {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  padding: var(--space-2xl);
  background: linear-gradient(135deg, 
    var(--color-surface) 0%, 
    rgba(var(--color-bg-rgb), 0.8) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

/* Subtle pattern overlay */
.about__text::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(45deg, var(--color-border) 1px, transparent 1px),
    linear-gradient(-45deg, var(--color-border) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.03;
  pointer-events: none;
}

/* Quote styling for first paragraph */
.about__text p:first-of-type {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-xl);
  position: relative;
  padding-left: var(--space-lg);
  border-left: 4px solid var(--color-primary);
}

.about__stats {
  display: grid;
  gap: var(--space-lg);
}

/* Stagger animation for stat cards */
@media (prefers-reduced-motion: no-preference) {
  .about__stats .stat-card:nth-child(1) {
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
  }
  
  .about__stats .stat-card:nth-child(2) {
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
  }
  
  .about__stats .stat-card:nth-child(3) {
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
  }
  
  .about__stats .stat-card:nth-child(4) {
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
  }
}

.stat-card {
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

/* Enterprise gradient border effect */
.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 20px 40px -12px rgba(99, 102, 241, 0.3);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card__number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-light);
  margin-bottom: var(--space-sm);
  font-family: var(--font-display);
}

.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-4xl);
}

.skill-category__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-lg);
  color: var(--color-primary-light);
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.skill-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.skill-item__name {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.skill-item__level {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-semibold);
}

.skill-item__bar {
  height: 10px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.skill-item__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
  width: var(--skill-percent, 0%);
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: left;
  position: relative;
  overflow: hidden;
}

/* Shimmer effect on skill bar */
@media (prefers-reduced-motion: no-preference) {
  .skill-item__fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s infinite;
  }
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Animated when in view (JS adds .animated class) */
.skill-item__fill:not(.animated) {
  width: 0 !important;
}

/* ============================================
   TECH STACK - PREMIUM ICON DESIGN
   ============================================ */
.tech-stack {
  margin-top: var(--space-4xl);
  padding: var(--space-3xl) var(--space-2xl);
  background: linear-gradient(135deg, 
    rgba(var(--color-primary-rgb, 99, 102, 241), 0.05) 0%, 
    rgba(var(--color-secondary-rgb, 139, 92, 246), 0.05) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

/* Decorative background pattern */
.tech-stack::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.tech-stack__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
}

@supports not (background-clip: text) {
  .tech-stack__title {
    color: var(--color-primary-light);
    background: none;
  }
}

.tech-stack__subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-2xl);
  position: relative;
  z-index: 1;
}

.tech-stack__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Individual Tech Icon */
.tech-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

/* Gradient shine effect on hover */
.tech-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 70%);
  transform: translateX(-100%) translateY(-100%) rotate(45deg);
  transition: transform 0.6s ease;
}

.tech-icon:hover::before {
  transform: translateX(100%) translateY(100%) rotate(45deg);
}

.tech-icon:hover {
  transform: translateY(-8px) scale(1.05);
  border-color: var(--color-primary);
  box-shadow: 
    0 12px 40px -10px rgba(var(--color-primary-rgb, 99, 102, 241), 0.4),
    0 0 0 1px rgba(var(--color-primary-rgb, 99, 102, 241), 0.2);
}

/* Icon wrapper for size control */
.tech-icon__wrapper {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  padding: var(--space-sm);
  transition: all var(--transition-base);
  position: relative;
  z-index: 1;
}

.tech-icon:hover .tech-icon__wrapper {
  transform: scale(1.1);
  background: rgba(var(--color-primary-rgb, 99, 102, 241), 0.1);
}

.tech-icon__svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
  transition: filter var(--transition-base);
}

.tech-icon:hover .tech-icon__svg {
  filter: drop-shadow(0 4px 12px rgba(var(--color-primary-rgb, 99, 102, 241), 0.3));
}

/* Icon label */
.tech-icon__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-align: center;
  transition: color var(--transition-base);
  position: relative;
  z-index: 1;
}

.tech-icon:hover .tech-icon__label {
  color: var(--color-primary-light);
}

/* Stagger animation on scroll */
@media (prefers-reduced-motion: no-preference) {
  .tech-icon {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
  }
  
  .tech-icon:nth-child(1) { animation-delay: 0.05s; }
  .tech-icon:nth-child(2) { animation-delay: 0.1s; }
  .tech-icon:nth-child(3) { animation-delay: 0.15s; }
  .tech-icon:nth-child(4) { animation-delay: 0.2s; }
  .tech-icon:nth-child(5) { animation-delay: 0.25s; }
  .tech-icon:nth-child(6) { animation-delay: 0.3s; }
  .tech-icon:nth-child(7) { animation-delay: 0.35s; }
  .tech-icon:nth-child(8) { animation-delay: 0.4s; }
  .tech-icon:nth-child(9) { animation-delay: 0.45s; }
  .tech-icon:nth-child(10) { animation-delay: 0.5s; }
  .tech-icon:nth-child(11) { animation-delay: 0.55s; }
  .tech-icon:nth-child(12) { animation-delay: 0.6s; }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .tech-stack__grid {
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: var(--space-md);
  }
  
  .tech-icon {
    padding: var(--space-md);
  }
  
  .tech-icon__wrapper {
    width: 48px;
    height: 48px;
  }
  
  .tech-icon__label {
    font-size: var(--font-size-xs);
  }
}

/* Legacy tech-badge styles (for backwards compatibility) */
.tech-stack__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

.tech-badge {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.tech-badge:hover {
  background: var(--color-surface-elevated);
  border-color: var(--color-primary);
  color: var(--color-primary-light);
  transform: translateY(-2px);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-2xl);
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Enterprise-level hover effect */
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  border-color: var(--color-primary);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card__image {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 aspect ratio */
  background: var(--color-bg-alt);
  overflow: hidden;
}

.project-card__image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-card__image img {
  transform: scale(1.1);
}

.project-card__content {
  padding: var(--space-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
}

.project-card__description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  flex: 1;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.tag {
  padding: 0.25rem 0.75rem;
  background: var(--color-surface-elevated);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-card__actions {
  display: flex;
  gap: var(--space-md);
}

/* Loading skeleton for images */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface) 0%,
    var(--color-surface-elevated) 50%,
    var(--color-surface) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton--image {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.project-card__image img {
  z-index: 2;
}

.project-card__image img[src] {
  background: transparent;
}

.project-card__image img[src] ~ .skeleton {
  display: none;
}

/* ============================================
   PROCESS SECTION - PREMIUM TIMELINE
   ============================================ */
.process__timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  position: relative;
  padding: var(--space-xl) 0;
}

/* Connecting line between steps */
.process__timeline::before {
  content: '';
  position: absolute;
  top: 80px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, 
    var(--color-primary) 0%, 
    var(--color-secondary) 50%, 
    var(--color-accent) 100%);
  opacity: 0.2;
  z-index: 0;
}

@media (max-width: 768px) {
  .process__timeline::before {
    display: none;
  }
}

.process__step {
  position: relative;
  padding: var(--space-2xl) var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

/* Gradient top accent */
.process__step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.process__step:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 30px 60px -15px rgba(99, 102, 241, 0.4);
  border-color: var(--color-primary);
}

.process__step:hover::before {
  transform: scaleX(1);
}

/* Numbered badge */
.process__number {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: white;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  font-family: var(--font-display);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
  transition: all 0.3s ease;
  z-index: 2;
}

.process__step:hover .process__number {
  transform: translateX(-50%) scale(1.1) rotate(5deg);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.6);
}

/* Pulse animation on number */
@media (prefers-reduced-motion: no-preference) {
  .process__number::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    animation: pulse-ring 2s ease-out infinite;
  }
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.process__step-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
  margin-top: var(--space-md);
  background: linear-gradient(135deg, var(--color-text), var(--color-text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@supports not (background-clip: text) {
  .process__step-title {
    color: var(--color-text);
    background: none;
  }
}

.process__step-description {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact__item {
  display: flex;
  gap: var(--space-md);
  align-items: start;
}

.contact__icon {
  color: var(--color-primary-light);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.contact__item-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
  font-weight: var(--font-weight-semibold);
}

.contact__link {
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

.contact__link:hover {
  color: var(--color-primary-light);
}

/* Contact form - Premium Glassmorphism */
.contact__form {
  background: rgba(var(--color-bg-rgb), 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-3xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

/* Gradient border glow */
.contact__form::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0.5;
}

/* Floating orb decoration */
.contact__form::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--color-primary), transparent 70%);
  top: -100px;
  right: -100px;
  opacity: 0.1;
  filter: blur(60px);
  pointer-events: none;
}

.form-group {
  margin-bottom: var(--space-xl);
  position: relative;
}

/* Floating label design */
.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  color: var(--color-text);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

/* Enhanced focus state with gradient border */
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: transparent;
  background: var(--color-surface);
  box-shadow: 
    0 0 0 2px var(--color-primary),
    0 8px 24px -8px rgba(99, 102, 241, 0.3),
    inset 0 2px 4px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* Animated border on focus */
@media (prefers-reduced-motion: no-preference) {
  .form-group::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: transform 0.4s ease;
  }
  
  .form-group:focus-within::after {
    transform: scaleX(1);
  }
}

.form-input:hover,
.form-textarea:hover {
  border-color: var(--color-border-light);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

.form-status {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  display: none;
}

.form-status--success {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
  display: block;
}

.form-status--error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
  display: block;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
  margin-top: var(--space-5xl);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin: 0;
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-muted);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

/* ============================================
   MODAL
   ============================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.modal:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: var(--z-modal-backdrop);
}

.modal__container {
  position: relative;
  z-index: var(--z-modal);
  max-width: 900px;
  max-height: 90vh;
  width: 90%;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-slow);
}

.modal:not([hidden]) .modal__container {
  transform: scale(1);
}

.modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--color-surface-elevated);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition-base);
  z-index: calc(var(--z-modal) + 1);
}

.modal__close:hover {
  background: var(--color-primary);
  color: white;
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-page__header {
  text-align: center;
  padding: var(--space-5xl) 0 var(--space-4xl);
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.about-page__title {
  margin-bottom: var(--space-md);
}

.about-page__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
}

.about-page__section {
  padding: var(--space-4xl) 0;
}

.about-page__section--alt {
  background: var(--color-bg-alt);
}

.about-page__section-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.about-page__content {
  max-width: 800px;
  margin: 0 auto;
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.about-page__list {
  margin: var(--space-xl) 0;
}

.about-page__list li {
  margin-bottom: var(--space-md);
}

.about-page__list--ordered {
  counter-reset: item;
  list-style: none;
  padding-left: 0;
}

.about-page__list--ordered li {
  counter-increment: item;
  position: relative;
  padding-left: var(--space-2xl);
}

.about-page__list--ordered li::before {
  content: counter(item);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
}

.about-page__expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.expertise-card {
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.expertise-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-lg);
  color: var(--color-primary-light);
}

.expertise-card__list {
  list-style: none;
  padding: 0;
}

.expertise-card__list li {
  padding-left: var(--space-lg);
  position: relative;
  margin-bottom: var(--space-sm);
}

.expertise-card__list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* Timeline */
.about-page__timeline {
  max-width: 700px;
  margin: var(--space-2xl) auto 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
  border-left: 2px solid var(--color-border);
  margin-left: 60px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: var(--space-xl);
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.timeline-item__date {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-item__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.timeline-item__subtitle,
.timeline-item__institution {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.timeline-item__grade {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-light);
  font-size: var(--font-size-sm);
}

/* CTA Section */
.about-page__section--cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
}

.about-page__cta {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.about-page__cta-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-lg);
  color: white;
}

.about-page__cta-text {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2xl);
  color: rgba(255, 255, 255, 0.9);
}

.about-page__cta-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.about-page__cta-buttons .btn--primary {
  background: white;
  color: var(--color-primary);
}

.about-page__cta-buttons .btn--secondary {
  border-color: rgba(255, 255, 255, 0.5);
  color: white;
}

.about-page__cta-buttons .btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* ============================================
   PROJECT DETAIL PAGE
   ============================================ */
.project-detail__header {
  padding: var(--space-5xl) 0 var(--space-4xl);
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.project-detail__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  transition: color var(--transition-base);
}

.project-detail__back:hover {
  color: var(--color-primary-light);
}

.project-detail__title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-md);
}

.project-detail__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.project-detail__meta {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.project-detail__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.project-detail__section {
  padding: var(--space-4xl) 0;
}

.project-detail__section--alt {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
}

.project-detail__image {
  max-width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.project-detail__image img {
  width: 100%;
  display: block;
}

.project-detail__content {
  max-width: 800px;
  margin: 0 auto;
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.project-detail__content h2 {
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.project-detail__content h3 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.results-list {
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.results-list li {
  margin-bottom: var(--space-md);
  padding-left: var(--space-md);
  position: relative;
}

.results-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-2xl) 0;
}

.feature-card {
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  color: var(--color-primary-light);
}

.feature-card p,
.feature-card ul {
  font-size: var(--font-size-base);
}

.project-detail__cta {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.project-detail__cta h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-lg);
  color: white;
}

.project-detail__cta p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2xl);
  color: rgba(255, 255, 255, 0.9);
}

.project-detail__cta-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.project-detail__cta-buttons .btn--primary {
  background: white;
  color: var(--color-primary);
}

.project-detail__cta-buttons .btn--secondary {
  border-color: rgba(255, 255, 255, 0.5);
  color: white;
}

.project-detail__cta-buttons .btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* ============================================
   RESPONSIVE DESIGN — MOBILE FIRST
   ============================================ */

/* Small devices (phones, 480px and up) */
@media (max-width: 480px) {
  :root {
    --container-padding: var(--space-md);
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
  }
  
  .hero__cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}

/* Medium devices (tablets, 768px and up) */
@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-surface);
    flex-direction: column;
    padding: var(--space-4xl) var(--space-xl);
    align-items: flex-start;
    gap: var(--space-xl);
    transition: right var(--transition-slow);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
  }
  
  .nav__menu.active {
    right: 0;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .nav__link {
    font-size: var(--font-size-base);
  }
  
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero__content {
    max-width: 100%;
  }
  
  .hero__cta {
    justify-content: center;
  }
  
  .hero__description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero__visual {
    display: none;
  }
  
  .about__grid {
    grid-template-columns: 1fr;
  }
  
  .contact__grid {
    grid-template-columns: 1fr;
  }
  
  .about-page__expertise-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline-item {
    grid-template-columns: 1fr;
    margin-left: var(--space-lg);
  }
  
  .footer__content {
    flex-direction: column;
    text-align: center;
  }
}

/* Large devices (desktops, 1024px and up) */
@media (min-width: 1024px) {
  .section {
    padding: var(--space-5xl) 0;
  }
}

/* Extra large devices (large desktops, 1280px and up) */
@media (min-width: 1280px) {
  :root {
    --container-padding: var(--space-2xl);
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .nav,
  .hero__visual,
  .scroll-indicator,
  .footer__social,
  .btn,
  .theme-toggle {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .section {
    page-break-inside: avoid;
  }
}

/* ============================================
   ENTERPRISE SKILLS DESIGN
   ============================================ */

/* Core Competencies Section */
.skills__core {
  margin-bottom: var(--space-4xl);
  padding: var(--space-3xl) var(--space-2xl);
  background: linear-gradient(135deg, 
    rgba(var(--color-primary-rgb, 99, 102, 241), 0.05) 0%, 
    rgba(var(--color-secondary-rgb, 139, 92, 246), 0.05) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.skills__core::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.skills__core-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
  position: relative;
  z-index: 1;
}

.skills__core-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.skills__core-stats {
  display: flex;
  gap: var(--space-lg);
}

.stat-mini {
  text-align: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  min-width: 60px;
}

.stat-mini__number {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.stat-mini__label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* Proficiency Rings */
.skills__proficiency {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  position: relative;
  z-index: 1;
}

.proficiency-ring {
  position: relative;
}

.proficiency-ring__circle {
  position: relative;
  width: 120px;
  height: 120px;
}

.proficiency-ring__svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.proficiency-ring__content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.proficiency-ring__percent {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1;
}

.proficiency-ring__label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

/* Detailed Skills Grid */
.skills__detailed {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-3xl);
}

/* Premium Skill Categories */
.skill-category--premium {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.skill-category--premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.skill-category--premium:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px -10px rgba(var(--color-primary-rgb, 99, 102, 241), 0.3);
  border-color: var(--color-primary);
}

.skill-category__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.skill-category__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-lg);
  color: white;
  flex-shrink: 0;
}

.skill-category__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.skill-category__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Enhanced Skill Items */
.skill-item--expert .skill-item__fill {
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.skill-item--advanced .skill-item__fill {
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
}

.skill-item--intermediate .skill-item__fill {
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
}

.skill-item__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-sm);
}

.skill-item__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  flex: 1;
}

.skill-item__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  margin-left: var(--space-md);
}

.skill-item__level {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.skill-item__years {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.skill-item__bar {
  height: 8px;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.skill-item__fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-item__fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

.skill-item__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: var(--space-sm);
}

/* Shimmer Animation */
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .skills__detailed {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .skills__proficiency {
    gap: var(--space-xl);
  }
  
  .proficiency-ring__circle {
    width: 100px;
    height: 100px;
  }
  
  .proficiency-ring__percent {
    font-size: var(--font-size-xl);
  }
  
  .proficiency-ring__label {
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 768px) {
  .skills__core {
    padding: var(--space-2xl) var(--space-lg);
  }
  
  .skills__core-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-lg);
  }
  
  .skills__core-stats {
    width: 100%;
    justify-content: space-around;
  }
  
  .skills__proficiency {
    flex-wrap: wrap;
    gap: var(--space-lg);
  }
  
  .skill-category--premium {
    padding: var(--space-xl);
  }
  
  .skill-category__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  
  .skill-category__icon {
    width: 40px;
    height: 40px;
  }
  
  .skill-item__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
  
  .skill-item__meta {
    flex-direction: row;
    align-items: center;
    margin-left: 0;
    margin-top: var(--space-xs);
  }
}

/* Animation on scroll */
@media (prefers-reduced-motion: no-preference) {
  .skill-category--premium {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
  }
  
  .skill-category--premium:nth-child(1) { animation-delay: 0.1s; }
  .skill-category--premium:nth-child(2) { animation-delay: 0.2s; }
  .skill-category--premium:nth-child(3) { animation-delay: 0.3s; }
  
  .proficiency-ring {
    opacity: 0;
    animation: fadeInScale 0.8s ease-out forwards;
  }
  
  .proficiency-ring:nth-child(1) { animation-delay: 0.2s; }
  .proficiency-ring:nth-child(2) { animation-delay: 0.4s; }
  .proficiency-ring:nth-child(3) { animation-delay: 0.6s; }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ============================================
   ENTERPRISE ANALYTICS DASHBOARD CARD
   ============================================ */

.hero__card--dashboard {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Dashboard Header */
.hero__dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__dashboard-title h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: var(--space-xs) 0 0 0;
}

.hero__dashboard-status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-primary-light);
  font-weight: var(--font-weight-medium);
}

.hero__status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse 2s ease-in-out infinite;
}

.hero__status-indicator--online {
  background: #10b981;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.hero__dashboard-time {
  text-align: right;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.hero__time-display {
  display: block;
  font-weight: var(--font-weight-mono);
  font-size: var(--font-size-base);
  color: var(--color-text);
}

.hero__date-display {
  display: block;
  margin-top: var(--space-xs);
}

/* Metrics Grid */
.hero__metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  flex: 1;
}

/* KPI Cards */
.hero__kpi-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: all 0.3s ease;
}

.hero__kpi-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.hero__kpi-card--primary {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-color: rgba(99, 102, 241, 0.2);
}

.hero__kpi-card--secondary,
.hero__kpi-card--tertiary {
  flex: 1;
}

.hero__kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero__kpi-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.hero__kpi-trend {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.hero__kpi-trend--up {
  color: #10b981;
}

.hero__kpi-trend--down {
  color: #ef4444;
}

.hero__kpi-value {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  font-family: var(--font-mono);
}

/* Charts */
.hero__kpi-chart {
  margin-top: auto;
  opacity: 0.8;
}

.hero__sparkline {
  width: 100%;
  height: 40px;
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: drawSparkline 2s ease-out 1s forwards;
}

@keyframes drawSparkline {
  to { stroke-dashoffset: 0; }
}

.hero__kpi-mini-chart {
  margin-top: auto;
}

.hero__bar-chart {
  display: flex;
  align-items: end;
  gap: 2px;
  height: 30px;
}

.hero__bar {
  flex: 1;
  background: linear-gradient(to top, var(--color-primary), var(--color-primary-light));
  border-radius: 1px;
  height: var(--height);
  animation: growBar 1.5s ease-out forwards;
  opacity: 0;
}

.hero__bar:nth-child(1) { animation-delay: 0.1s; }
.hero__bar:nth-child(2) { animation-delay: 0.2s; }
.hero__bar:nth-child(3) { animation-delay: 0.3s; }
.hero__bar:nth-child(4) { animation-delay: 0.4s; }
.hero__bar:nth-child(5) { animation-delay: 0.5s; }

@keyframes growBar {
  from { opacity: 0; transform: scaleY(0); }
  to { opacity: 1; transform: scaleY(1); }
}

.hero__kpi-activity {
  margin-top: auto;
}

.hero__activity-dots {
  display: flex;
  gap: var(--space-xs);
}

.hero__activity-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.hero__activity-dot--active {
  background: var(--color-primary);
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.6);
  animation: activityPulse 2s ease-in-out infinite;
}

@keyframes activityPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* System Status */
.hero__system-status {
  display: flex;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__status-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.hero__status-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero__status-badge {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.hero__status-badge--operational {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.hero__status-badge--healthy {
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.hero__status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Data Flow Visualization */
.hero__data-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.hero__flow-node {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 80px;
  position: relative;
}

.hero__flow-node--input {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.hero__flow-node--processing {
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(99, 102, 241, 0.2);
  animation: processingGlow 3s ease-in-out infinite;
}

.hero__flow-node--output {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

@keyframes processingGlow {
  0%, 100% { box-shadow: 0 0 0 rgba(99, 102, 241, 0.3); }
  50% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.6); }
}

.hero__flow-arrow {
  color: var(--color-text-muted);
  animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.hero__node-label {
  white-space: nowrap;
}

/* Enhanced Card Glow */
.hero__card-glow {
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, 
    rgba(99, 102, 241, 0.1) 0%, 
    rgba(139, 92, 246, 0.1) 25%,
    rgba(236, 72, 153, 0.1) 50%,
    rgba(99, 102, 241, 0.1) 75%,
    rgba(139, 92, 246, 0.1) 100%
  );
  border-radius: inherit;
  opacity: 0.6;
  animation: cardGlowShift 8s ease-in-out infinite;
  z-index: -1;
}

@keyframes cardGlowShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}


/* ============================================
   AI TERMINAL INTERFACE HERO CARD
   ============================================ */

.hero__card--terminal {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 0;
  position: relative;
  overflow: hidden;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

/* Terminal Header */
.hero__terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-sm);
}

.hero__terminal-controls {
  display: flex;
  gap: var(--space-sm);
}

.hero__terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.hero__terminal-dot--red { background: #ff5f56; }
.hero__terminal-dot--yellow { background: #ffbd2e; }
.hero__terminal-dot--green { background: #27c93f; }

.hero__terminal-title {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.hero__terminal-status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.hero__status-pulse {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Terminal Content */
.hero__terminal-content {
  display: flex;
  flex: 1;
  padding: var(--space-xl);
  gap: var(--space-xl);
}

.hero__terminal-output {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.hero__terminal-line {
  display: flex;
  gap: var(--space-sm);
  opacity: 0;
  animation: terminalLineReveal 0.5s ease-out forwards;
}

.hero__terminal-line:nth-child(1) { animation-delay: 0.5s; }
.hero__terminal-line:nth-child(2) { animation-delay: 0.8s; }
.hero__terminal-line:nth-child(3) { animation-delay: 1.1s; }
.hero__terminal-line:nth-child(4) { animation-delay: 1.4s; }
.hero__terminal-line:nth-child(5) { animation-delay: 1.7s; }
.hero__terminal-line:nth-child(6) { animation-delay: 2.0s; }
.hero__terminal-line:nth-child(7) { animation-delay: 2.3s; }

@keyframes terminalLineReveal {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.hero__terminal-prompt {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.hero__terminal-command {
  color: var(--color-text);
}

.hero__terminal-output-text {
  color: var(--color-text-secondary);
  margin-left: 2ch;
}

.hero__terminal-highlight {
  color: var(--color-secondary);
  font-weight: var(--font-weight-semibold);
}

.hero__terminal-success {
  color: #10b981;
  font-weight: var(--font-weight-semibold);
}

.hero__terminal-metric {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.hero__terminal-cursor {
  color: var(--color-primary);
  animation: cursorBlink 1s infinite;
}

@keyframes cursorBlink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Terminal Sidebar */
.hero__terminal-sidebar {
  width: 200px;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero__metric-display {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.hero__metric-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero__metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: 35px;
  text-align: right;
}

.hero__metric-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.hero__metric-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: 3px;
  width: var(--percentage);
  animation: metricFill 2s ease-out forwards;
  opacity: 0;
}

.hero__metric-fill:nth-child(1) { animation-delay: 1s; }
.hero__metric-fill:nth-child(2) { animation-delay: 1.3s; }
.hero__metric-fill:nth-child(3) { animation-delay: 1.6s; }

@keyframes metricFill {
  from { width: 0; opacity: 0; }
  to { width: var(--percentage); opacity: 1; }
}

.hero__metric-value {
  font-size: var(--font-size-xs);
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
  width: 30px;
  text-align: left;
}

/* Network Activity */
.hero__network-activity {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.hero__network-header {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
  text-align: center;
}

.hero__network-graph {
  display: flex;
  align-items: end;
  gap: 2px;
  height: 40px;
}

.hero__network-bar {
  flex: 1;
  background: linear-gradient(to top, var(--color-secondary), var(--color-secondary-light));
  border-radius: 1px;
  height: var(--height);
  animation: networkBarGrow 1.5s ease-out forwards;
  opacity: 0;
}

.hero__network-bar:nth-child(1) { animation-delay: 0.1s; }
.hero__network-bar:nth-child(2) { animation-delay: 0.2s; }
.hero__network-bar:nth-child(3) { animation-delay: 0.3s; }
.hero__network-bar:nth-child(4) { animation-delay: 0.4s; }
.hero__network-bar:nth-child(5) { animation-delay: 0.5s; }
.hero__network-bar:nth-child(6) { animation-delay: 0.6s; }
.hero__network-bar:nth-child(7) { animation-delay: 0.7s; }
.hero__network-bar:nth-child(8) { animation-delay: 0.8s; }

@keyframes networkBarGrow {
  from { height: 0; opacity: 0; }
  to { height: var(--height); opacity: 1; }
}

/* Processing Indicator */
.hero__processing-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.hero__processing-dots {
  display: flex;
  gap: var(--space-xs);
}

.hero__processing-dot {
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: processingDot 1.5s ease-in-out infinite;
}

.hero__processing-dot:nth-child(1) { animation-delay: 0s; }
.hero__processing-dot:nth-child(2) { animation-delay: 0.3s; }
.hero__processing-dot:nth-child(3) { animation-delay: 0.6s; }

@keyframes processingDot {
  0%, 80%, 100% { opacity: 0.3; transform: scale(1); }
  40% { opacity: 1; transform: scale(1.2); }
}

/* Light Theme Support for Terminal Card */
[data-theme="light"] .hero__card--terminal {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.9) 100%);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .hero__terminal-header {
  background: rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .hero__terminal-title {
  color: var(--color-text-muted);
}

[data-theme="light"] .hero__terminal-output-text {
  color: var(--color-text-secondary);
}

[data-theme="light"] .hero__metric-bar {
  background: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .hero__network-activity {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .hero__processing-indicator {
  background: rgba(0, 0, 0, 0.05);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .hero__card-glow {
  background: linear-gradient(135deg,
    rgba(99, 102, 241, 0.05) 0%,
    rgba(139, 92, 246, 0.05) 25%,
    rgba(236, 72, 153, 0.05) 50%,
    rgba(99, 102, 241, 0.05) 75%,
    rgba(139, 92, 246, 0.05) 100%
  );
}

/* Light Theme Hero Background Adjustments */
[data-theme="light"] .hero__orb {
  opacity: 0.1;
}

[data-theme="light"] .hero__grid-line {
  opacity: 0.1;
}

[data-theme="light"] .hero__particle {
  opacity: 0.2;
}

/* Ensure hero title is always visible */
.hero__title-line {
  position: relative;
  z-index: 1;
  color: var(--color-text);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .hero__greeting {
  color: var(--color-primary);
}

[data-theme="light"] .hero__subtitle {
  color: var(--color-text);
}

[data-theme="light"] .hero__description {
  color: var(--color-text-secondary);
}

@keyframes terminalGlowShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero__terminal-sidebar {
    width: 160px;
  }

  .hero__terminal-content {
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .hero__card--terminal {
    min-height: 400px;
  }

  .hero__terminal-content {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .hero__terminal-sidebar {
    width: 100%;
    flex-direction: row;
    justify-content: space-between;
  }

  .hero__metric-display {
    flex-direction: row;
    gap: var(--space-lg);
  }

  .hero__network-activity {
    flex: 1;
  }
}


/* ============================================
   ENTERPRISE ABOUT SECTION DESIGN
   ============================================ */

.about {
  background: var(--color-bg);
  position: relative;
}

/* Executive Header */
.about__executive-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  position: relative;
}

.about__executive-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  padding: var(--space-sm) var(--space-lg);
  margin-bottom: var(--space-lg);
}

.about__badge-text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about__badge-line {
  width: 20px;
  height: 1px;
  background: var(--color-primary);
}

.about__executive-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.about__executive-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Professional Grid Layout */
.about__professional-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

/* Executive Summary */
.about__executive-summary {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.about__executive-summary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.about__summary-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.about__summary-icon {
  width: 48px;
  height: 48px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.about__summary-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.about__summary-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.about__summary-text {
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* Key Achievements */
.about__key-achievements {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.about__achievement {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.about__achievement:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.2);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.about__achievement-icon {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
  color: var(--color-primary);
}

.about__achievement-content h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.about__achievement-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Professional Timeline */
.about__professional-timeline {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-4xl);
}

.about__professional-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
}

.about__timeline-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.about__timeline-icon {
  width: 48px;
  height: 48px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
}

.about__timeline-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.about__timeline {
  position: relative;
}

.about__timeline-item {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  position: relative;
}

.about__timeline-item:last-child {
  margin-bottom: 0;
}

.about__timeline-marker {
  position: relative;
  flex-shrink: 0;
}

.about__timeline-dot {
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
  border-radius: 50%;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.about__timeline-item--current .about__timeline-dot {
  background: var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
  animation: timelinePulse 2s ease-in-out infinite;
}

.about__timeline-line {
  position: absolute;
  top: 16px;
  left: 5px;
  width: 2px;
  height: calc(100% + var(--space-2xl));
  background: rgba(255, 255, 255, 0.1);
  z-index: 1;
}

.about__timeline-content {
  flex: 1;
  padding-bottom: var(--space-lg);
}

.about__timeline-date {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about__timeline-role {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.about__timeline-company {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
}

.about__timeline-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.about__timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.about__tag {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-medium);
}

/* Enterprise Stats Dashboard */
.about__enterprise-stats {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.5) 0%, rgba(30, 41, 59, 0.3) 100%);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  margin-bottom: var(--space-4xl);
  position: relative;
  overflow: hidden;
}

.about__enterprise-stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
}

.about__stats-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.about__stats-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.about__stats-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.about__stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.about__stat-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  gap: var(--space-lg);
  transition: all 0.3s ease;
}

.about__stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.about__stat-card--primary {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  border-color: rgba(99, 102, 241, 0.2);
}

.about__stat-visual {
  flex-shrink: 0;
}

.about__stat-circle {
  position: relative;
  width: 80px;
  height: 80px;
}

.about__stat-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.about__stat-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.about__stat-number {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.about__stat-unit {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-xs);
}

.about__stat-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: rgba(99, 102, 241, 0.1);
  border: 2px solid rgba(99, 102, 241, 0.2);
  border-radius: 50%;
}

.about__metric-number {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.about__metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-xs);
}

.about__stat-info {
  flex: 1;
}

.about__stat-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.about__stat-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Call to Action Section */
.about__cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about__cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.1;
}

.about__cta-content {
  position: relative;
  z-index: 2;
}

.about__cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-bold);
  color: white;
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.about__cta-description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.6;
}

.about__cta-actions {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.btn--large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

.btn--large .btn__text {
  font-size: var(--font-size-base);
}

/* Animations */
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .about__professional-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }
  .about__stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .about__executive-header {
    margin-bottom: var(--space-3xl);
  }
  .about__executive-title {
    font-size: clamp(2rem, 6vw, 3rem);
  }
  .about__professional-grid {
    gap: var(--space-2xl);
  }
  .about__executive-summary,
  .about__professional-timeline {
    padding: var(--space-xl);
  }
  .about__enterprise-stats {
    padding: var(--space-2xl);
  }
  .about__cta-section {
    padding: var(--space-2xl);
  }
  .about__cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .about__timeline-item {
    gap: var(--space-md);
  }
  .about__timeline-content {
    padding-bottom: var(--space-md);
  }
}

@media (max-width: 480px) {
  .about__executive-badge {
    padding: var(--space-xs) var(--space-md);
  }
  .about__executive-summary,
  .about__professional-timeline {
    padding: var(--space-lg);
  }
  .about__stat-card {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }
  .about__achievement {
    flex-direction: column;
    text-align: center;
    gap: var(--space-sm);
  }
  .about__timeline-tags {
    justify-content: center;
  }
}