/* ============================================
   AAKASH SHAH - MODERN PORTFOLIO STYLESHEET
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --bg-dark: #0a0a0b;
  --bg-dark-secondary: #111113;
  --bg-light: #ffffff;
  --bg-light-alt: #f8fafc;
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-light: rgba(255, 255, 255, 0.08);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-dark: #1e293b;
  --text-dark-secondary: #475569;
  --text-muted: #64748b;

  --accent-blue: #3b82f6;
  --accent-violet: #8b5cf6;
  --accent-teal: #14b8a6;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-hero: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #14b8a6 100%);

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-light: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --max-width: 1200px;
  --nav-height: 72px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--bg-light);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
  color: var(--text-dark-secondary);
  max-width: 65ch;
}

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

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--bg-dark);
  color: var(--text-primary);
}

.section-dark p {
  color: var(--text-secondary);
}

.section-dark .section-label {
  color: var(--accent-teal);
}

.section-alt {
  background: var(--bg-light-alt);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
  background: transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 11, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav-logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  border-radius: 1px;
}

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

.nav-cta {
  padding: 8px 20px !important;
  background: var(--gradient-primary) !important;
  border-radius: var(--radius-full) !important;
  color: white !important;
  font-weight: 600 !important;
  font-size: 0.875rem;
  transition: opacity 0.2s, transform 0.2s !important;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.nav-cta::after {
  display: none !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-gradient {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  will-change: transform;
}

.hero-gradient-1 {
  top: -10%;
  left: -5%;
  background: var(--accent-blue);
  animation: float-slow 20s ease-in-out infinite;
}

.hero-gradient-2 {
  top: -15%;
  right: -10%;
  background: var(--accent-violet);
  animation: float-slow 25s ease-in-out infinite reverse;
}

.hero-gradient-3 {
  bottom: -20%;
  left: 30%;
  background: var(--accent-teal);
  animation: float-slow 22s ease-in-out infinite 5s;
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
}

/* Intersection circles */
.intersection-container {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.intersection-circle {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  will-change: transform;
}

.intersection-circle .circle-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.08);
  position: absolute;
  white-space: nowrap;
}

.circle-ai {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  transform: translate(-120px, -100px);
}
.circle-ai .circle-label { top: 25%; left: 20%; }

.circle-ds {
  background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
  transform: translate(120px, -100px);
}
.circle-ds .circle-label { top: 25%; right: 15%; }

.circle-pm {
  background: radial-gradient(circle, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
  transform: translate(-120px, 100px);
}
.circle-pm .circle-label { bottom: 25%; left: 15%; }

.circle-eng {
  background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
  transform: translate(120px, 100px);
}
.circle-eng .circle-label { bottom: 25%; right: 12%; }

/* Hero content */
.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.4s;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.6s;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.8s;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: var(--bg-glass-light);
  transform: translateY(-2px);
}

.hero-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 48px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 1s;
}

.hero-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

.hero-social a:hover {
  color: var(--text-primary);
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.1);
  transform: translateY(-2px);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 1.2s;
}

.scroll-indicator .scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* --- About / Philosophy Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text h2 {
  margin-bottom: 24px;
  color: var(--text-dark);
}

.about-text p {
  margin-bottom: 16px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.about-highlight {
  background: var(--bg-light-alt);
  border-left: 3px solid var(--accent-blue);
  padding: 24px 28px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 32px 0;
}

.about-highlight p {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text-dark);
  font-weight: 500;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.stat-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all 0.3s ease;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* --- Philosophy Section (Dark) --- */
.philosophy-content {
  max-width: 800px;
}

.philosophy-content h2 {
  margin-bottom: 32px;
}

.philosophy-content p {
  font-size: 1.1rem;
  line-height: 1.9;
  margin-bottom: 20px;
}

.philosophy-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.pillar-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: all 0.3s ease;
}

.pillar-card:hover {
  background: var(--bg-glass-light);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 20px;
}

.pillar-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.pillar-icon.violet { background: rgba(139, 92, 246, 0.15); color: var(--accent-violet); }
.pillar-icon.teal { background: rgba(20, 184, 166, 0.15); color: var(--accent-teal); }

.pillar-card h4 {
  color: var(--text-primary);
  margin-bottom: 12px;
}

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

/* --- Experience Section --- */
.experience-header {
  text-align: center;
  margin-bottom: 64px;
}

.experience-header h2 {
  margin-bottom: 16px;
}

.experience-header p {
  margin: 0 auto;
  text-align: center;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-violet), var(--accent-teal), var(--border-light));
  border-radius: 1px;
}

.timeline-item {
  position: relative;
  padding-left: 48px;
  padding-bottom: 48px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -6px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 3px solid var(--bg-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.timeline-item.current .timeline-dot {
  width: 16px;
  height: 16px;
  left: -7px;
  animation: dotPulse 2s ease-in-out infinite;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.timeline-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all 0.3s ease;
}

.timeline-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.timeline-role {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.timeline-company {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 8px;
}

.timeline-tagline {
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.timeline-details {
  display: none;
}

.timeline-details.open {
  display: block;
}

.timeline-details ul {
  list-style: none;
  padding: 0;
}

.timeline-details li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--text-dark-secondary);
  line-height: 1.6;
}

.timeline-details li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient-primary);
}

.timeline-details li strong {
  color: var(--text-dark);
}

.timeline-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
  cursor: pointer;
  transition: gap 0.2s;
}

.timeline-toggle:hover {
  gap: 10px;
}

.timeline-toggle .arrow {
  transition: transform 0.3s;
  font-size: 0.75rem;
}

.timeline-toggle.expanded .arrow {
  transform: rotate(180deg);
}

/* Earlier experience */
.earlier-experience {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border-light);
}

.earlier-experience h3 {
  text-align: center;
  margin-bottom: 32px;
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.earlier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.earlier-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: all 0.2s ease;
}

.earlier-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.earlier-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-light-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.earlier-card-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.earlier-card-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.3;
}

.earlier-card-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Skills Section --- */
.skills-header {
  text-align: center;
  margin-bottom: 64px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.skill-category {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all 0.3s ease;
}

.skill-category:hover {
  background: var(--bg-glass-light);
  border-color: rgba(255, 255, 255, 0.12);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.skill-category-icon {
  font-size: 1.1rem;
}

.skill-category-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.skill-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.2s;
}

.skill-tag:hover {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border-color: rgba(59, 130, 246, 0.3);
}

/* --- Awards Section --- */
.awards-header {
  text-align: center;
  margin-bottom: 64px;
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.award-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all 0.3s ease;
}

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

.award-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.award-icon.gold { background: rgba(245, 158, 11, 0.1); color: var(--accent-amber); }
.award-icon.blue { background: rgba(59, 130, 246, 0.1); color: var(--accent-blue); }
.award-icon.teal { background: rgba(20, 184, 166, 0.1); color: var(--accent-teal); }
.award-icon.violet { background: rgba(139, 92, 246, 0.1); color: var(--accent-violet); }

.award-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.award-card .award-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.award-card p {
  font-size: 0.875rem;
  color: var(--text-dark-secondary);
  line-height: 1.6;
}

/* --- Education Section --- */
.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.edu-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all 0.3s ease;
}

.edu-card:hover {
  background: var(--bg-glass-light);
  border-color: rgba(255, 255, 255, 0.12);
}

.edu-degree {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.edu-school {
  font-size: 0.95rem;
  color: var(--accent-teal);
  margin-bottom: 4px;
  font-weight: 600;
}

.edu-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.edu-details {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.edu-details strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* --- Blog CTA Section --- */
.blog-cta {
  text-align: center;
  background: var(--bg-light-alt);
  position: relative;
  overflow: hidden;
}

.blog-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.blog-cta h2 {
  margin-bottom: 16px;
  position: relative;
}

.blog-cta p {
  margin: 0 auto 32px;
  text-align: center;
  position: relative;
}

.blog-cta .btn {
  position: relative;
}

/* --- Contact Section --- */
.contact-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-content h2 {
  margin-bottom: 16px;
}

.contact-content > p {
  margin: 0 auto 40px;
  text-align: center;
}

.contact-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark-secondary);
  transition: all 0.2s;
}

.contact-link:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.04);
  transform: translateY(-2px);
}

.contact-socials {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.contact-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: all 0.2s;
}

.contact-socials a:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.04);
  transform: translateY(-2px);
}

/* --- Footer --- */
.footer {
  background: var(--bg-dark);
  padding: 32px 0;
  text-align: center;
}

.footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin: 0 auto;
}

/* --- Animations --- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2); }
  50% { box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.1); }
}

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .philosophy-pillars {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 11, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.25rem;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .intersection-circle {
    width: 200px;
    height: 200px;
  }

  .circle-ai { transform: translate(-70px, -65px); }
  .circle-ds { transform: translate(70px, -65px); }
  .circle-pm { transform: translate(-70px, 65px); }
  .circle-eng { transform: translate(70px, 65px); }

  .intersection-circle .circle-label {
    font-size: 0.55rem;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .philosophy-pillars {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }

  .timeline::before {
    left: 0;
  }

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

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

  .contact-links {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .intersection-circle {
    width: 150px;
    height: 150px;
  }

  .circle-ai { transform: translate(-50px, -50px); }
  .circle-ds { transform: translate(50px, -50px); }
  .circle-pm { transform: translate(-50px, 50px); }
  .circle-eng { transform: translate(50px, 50px); }

  .hero-social {
    gap: 12px;
  }

  .stat-card {
    padding: 20px;
  }

  .stat-number {
    font-size: 2rem;
  }
}