/* ═══════════════════════════════════════════════════════════════════════════
   DYLAN PORTFOLIO - Premium World-Class Design
   ═══════════════════════════════════════════════════════════════════════════ */

/* Premium Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* CSS Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Light Mode - Elegant & Clean */
  --bg-primary: #fafbfc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f3f5;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --accent-glow: rgba(99, 102, 241, 0.4);
  --surface-glass: rgba(255, 255, 255, 0.7);
  --border-subtle: rgba(148, 163, 184, 0.2);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.15);
}

[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a25;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #818cf8;
  --accent-secondary: #a78bfa;
  --accent-glow: rgba(129, 140, 248, 0.3);
  --surface-glass: rgba(18, 18, 26, 0.8);
  --border-subtle: rgba(148, 163, 184, 0.1);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 80px rgba(129, 140, 248, 0.2);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animated Background */
.bg-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.bg-gradient::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, var(--accent-glow) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 40%);
  animation: gradientShift 20s ease-in-out infinite;
}

[data-theme="dark"] .bg-gradient::before {
  background: radial-gradient(ellipse at 20% 30%, rgba(99, 102, 241, 0.25) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 70%, rgba(139, 92, 246, 0.2) 0%, transparent 40%);
}

@keyframes gradientShift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, 2%) rotate(1deg); }
  66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

/* Floating Particles */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-primary);
  border-radius: 50%;
  opacity: 0.3;
  animation: float 15s infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 20s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 25s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 18s; }
.particle:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 22s; }
.particle:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 19s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 24s; }
.particle:nth-child(7) { left: 70%; animation-delay: 2.5s; animation-duration: 21s; }
.particle:nth-child(8) { left: 80%; animation-delay: 4.5s; animation-duration: 17s; }
.particle:nth-child(9) { left: 90%; animation-delay: 1.5s; animation-duration: 23s; }
.particle:nth-child(10) { left: 15%; animation-delay: 3.5s; animation-duration: 26s; }

@keyframes float {
  0%, 100% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.4; }
  90% { opacity: 0.4; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
  background: var(--surface-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Theme Toggle */
.theme-toggle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  border-color: var(--accent-primary);
  transform: scale(1.05);
  box-shadow: 0 0 20px var(--accent-glow);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  font-size: 1.2rem;
  position: absolute;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] .theme-toggle .icon-sun { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(-90deg) scale(0); }
[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(90deg) scale(0); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* ═══════════════════════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-text {
  animation: fadeInUp 1s ease forwards;
  opacity: 0;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.hero-title .gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 540px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

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

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: fadeInUp 1s ease 0.2s forwards;
  opacity: 0;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 500px;
  margin: 0 auto;
}

.hero-image {
  width: 100%;
  height: 100%;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  background: var(--accent-gradient);
  position: relative;
  overflow: hidden;
  animation: morphShape 10s ease-in-out infinite;
  box-shadow: var(--shadow-xl);
}

@keyframes morphShape {
  0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
  25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
  50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
  75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
}

.hero-image-inner {
  position: absolute;
  inset: 4px;
  background: var(--bg-secondary);
  border-radius: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8rem;
}

/* Floating Cards */
.floating-card {
  position: absolute;
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  animation: floatCard 6s ease-in-out infinite;
}

.floating-card:nth-child(2) {
  top: 10%;
  right: -20px;
  animation-delay: 0s;
}

.floating-card:nth-child(3) {
  bottom: 20%;
  left: -30px;
  animation-delay: 2s;
}

.floating-card:nth-child(4) {
  bottom: 5%;
  right: 10%;
  animation-delay: 4s;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.floating-card .card-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.floating-card .card-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.floating-card .card-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  animation: bounce 2s infinite;
}

.scroll-indicator .mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator .wheel {
  width: 4px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

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

/* ═══════════════════════════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════════════════════════ */

section {
  padding: 120px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--accent-glow);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: 24px;
  overflow: hidden;
  background: var(--accent-gradient);
  padding: 4px;
}

.about-image-inner {
  width: 100%;
  height: 100%;
  background: var(--bg-secondary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10rem;
}

.about-decoration {
  position: absolute;
  width: 200px;
  height: 200px;
  background: var(--accent-gradient);
  opacity: 0.1;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -1;
}

.about-decoration:nth-child(2) { top: -50px; right: -50px; }
.about-decoration:nth-child(3) { bottom: -50px; left: -50px; }

.about-content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 4px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   SKILLS SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.skill-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.skill-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-primary);
}

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

.skill-icon {
  width: 64px;
  height: 64px;
  background: var(--accent-glow);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 20px;
}

.skill-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.skill-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.skill-tag {
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════════════════
   PROJECTS SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 32px;
}

.project-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.project-image {
  height: 240px;
  background: var(--accent-gradient);
  position: relative;
  overflow: hidden;
}

.project-image-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-overlay .btn {
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.project-card:hover .project-overlay .btn {
  transform: translateY(0);
}

.project-content {
  padding: 28px;
}

.project-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.7;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tag {
  padding: 6px 14px;
  background: var(--bg-tertiary);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent-primary);
  font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════════════════════
   EXPERIENCE SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-subtle);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.timeline-item:nth-child(odd) .timeline-content {
  text-align: right;
}

.timeline-item:nth-child(even) .timeline-content:last-child {
  text-align: left;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--accent-gradient);
  border-radius: 50%;
  transform: translateX(-50%);
  border: 4px solid var(--bg-primary);
  z-index: 1;
}

.timeline-content {
  padding: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.timeline-content:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-lg);
}

.timeline-date {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-glow);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.timeline-content h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-content h4 {
  color: var(--accent-primary);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.timeline-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════════════════════
   CONTACT SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.contact-method:hover {
  border-color: var(--accent-primary);
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-method-text h4 {
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-method-text p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.contact-form {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 40px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  font-size: 1rem;
  color: var(--text-primary);
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

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

.contact-form .btn {
  width: 100%;
  justify-content: center;
  padding: 18px 32px;
  font-size: 1.1rem;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════════ */

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand .nav-logo {
  font-size: 1.75rem;
  display: inline-block;
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 300px;
}

.footer-column h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 12px;
}

.footer-column a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-column a:hover {
  color: var(--accent-primary);
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 44px;
  height: 44px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.25rem;
}

.social-link:hover {
  background: var(--accent-gradient);
  color: white;
  transform: translateY(-4px);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-bottom a:hover {
  color: var(--accent-primary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   UTILITIES
   ═══════════════════════════════════════════════════════════════════════════ */

/* Animations on Scroll */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animations */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE DESIGN
   ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 60px;
  }

  .hero-text { order: 1; }
  .hero-visual { order: 0; max-width: 400px; margin: 0 auto; }

  .hero-description { margin: 0 auto 40px; }
  .hero-buttons { justify-content: center; }

  .about-grid { grid-template-columns: 1fr; gap: 60px; }
  .about-image { max-width: 400px; margin: 0 auto; }

  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { text-align: center; }
  .contact-methods { max-width: 400px; margin: 0 auto; }

  .footer-content { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: span 2; text-align: center; }
  .footer-brand p { max-width: none; }
}

@media (max-width: 768px) {
  section { padding: 80px 0; }

  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    padding: 30px;
    border-bottom: 1px solid var(--border-subtle);
    gap: 20px;
    box-shadow: var(--shadow-lg);
  }

  .hero { padding: 100px 0 60px; }
  .hero-title { font-size: 2.5rem; }

  .floating-card:nth-child(2) { right: 0; }
  .floating-card:nth-child(3) { left: 0; }
  .floating-card { display: none; }

  .stats-grid { grid-template-columns: 1fr; gap: 16px; }

  .projects-grid { grid-template-columns: 1fr; }

  .timeline::before { left: 20px; }
  .timeline-item { grid-template-columns: 1fr; gap: 30px; padding-left: 50px; }
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content { text-align: left; }
  .timeline-dot { left: 20px; }

  .footer-content { grid-template-columns: 1fr; text-align: center; gap: 30px; }
  .footer-brand { grid-column: span 1; }
  .social-links { justify-content: center; }
  .footer-bottom { flex-direction: column; gap: 16px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 2rem; }
  .section-title { font-size: 1.75rem; }
  .about-content h2 { font-size: 1.75rem; }
  .contact-form { padding: 24px; }
  .stat-number { font-size: 2rem; }
}