/* =========================================================
   ABHIJEET JAIN — PORTFOLIO STYLESHEET
   Dark-mode, glassmorphism, premium design system
   ========================================================= */

/* ── Design Tokens ───────────────────────────────────────── */
:root {
  --bg-primary:    #080c14;
  --bg-secondary:  #0d1320;
  --bg-card:       rgba(15, 22, 40, 0.7);
  --bg-card-hover: rgba(20, 30, 55, 0.9);

  --accent-1: #6c63ff;
  --accent-2: #06d6a0;
  --accent-3: #f59e0b;
  --accent-ai: #a855f7;

  --text-primary:   #f0f4ff;
  --text-secondary: #8892b0;
  --text-muted:     #4a5568;

  --border:         rgba(99, 102, 241, 0.15);
  --border-glow:    rgba(108, 99, 255, 0.4);

  --font-main: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  22px;
  --radius-xl:  32px;

  --shadow-card: 0 4px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 60px rgba(108, 99, 255, 0.2);

  --nav-h: 70px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-1); border-radius: 3px; }

/* ── Selection ───────────────────────────────────────────── */
::selection { background: rgba(108,99,255,0.35); color: #fff; }

/* ── Layout ──────────────────────────────────────────────── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Utilities ───────────────────────────────────────────── */
.accent-gradient {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Navigation ──────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(8,12,20,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  flex-shrink: 0;
}
.logo-bracket { color: var(--accent-1); }
.nav-links {
  display: flex;
  gap: 8px;
  flex: 1;
}
.nav-link {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 14px; right: 14px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  border-radius: 2px;
  transform: scaleX(0);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}
.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
}
.nav-cta {
  flex-shrink: 0;
  padding: 8px 22px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(108,99,255,0.35);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108,99,255,0.5);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Hero ────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 40px) 24px 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108,99,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108,99,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: glowPulse 6s ease-in-out infinite alternate;
}
.glow-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-1), transparent);
  top: -10%; left: -5%;
  animation-delay: 0s;
}
.glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--accent-2), transparent);
  bottom: 10%; right: 5%;
  animation-delay: 2s;
}
.glow-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--accent-ai), transparent);
  top: 50%; left: 55%;
  animation-delay: 4s;
  opacity: 0.2;
}
@keyframes glowPulse {
  from { transform: scale(1) translate(0, 0); opacity: 0.25; }
  to   { transform: scale(1.15) translate(2%, 2%); opacity: 0.45; }
}
.particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.particle {
  position: absolute;
  width: 3px; height: 3px;
  background: rgba(108,99,255,0.6);
  border-radius: 50%;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.5; }
  100% { transform: translateY(-100px) scale(1.5); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(6,214,160,0.1);
  border: 1px solid rgba(6,214,160,0.25);
  border-radius: 50px;
  padding: 6px 18px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-2);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
  animation: fadeInDown 0.6s ease both;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--accent-2);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(6,214,160,0.5); }
  50% { box-shadow: 0 0 0 6px rgba(6,214,160,0); }
}
.hero-name {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -3px;
  margin-bottom: 20px;
  animation: fadeInUp 0.7s ease 0.1s both;
}
.name-line { display: block; }
.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2.5vw, 1.2rem);
  color: var(--accent-2);
  margin-bottom: 24px;
  min-height: 1.5em;
  animation: fadeInUp 0.7s ease 0.2s both;
}
.cursor-blink {
  animation: blink 1s step-end infinite;
  color: var(--accent-1);
}
@keyframes blink { 50% { opacity: 0; } }
.hero-summary {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  animation: fadeInUp 0.7s ease 0.3s both;
}
.hero-summary strong { color: var(--text-primary); }
.hero-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 0.7s ease 0.4s both;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-1), #8b5cf6);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 35px rgba(108,99,255,0.5);
}
.btn-outline {
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.btn-outline:hover {
  color: var(--text-primary);
  border-color: var(--accent-1);
  background: rgba(108,99,255,0.1);
  transform: translateY(-2px);
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  animation: fadeInUp 0.7s ease 0.5s both;
  flex-wrap: wrap;
}
.stat {
  text-align: center;
}
.stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-variant-numeric: tabular-nums;
}
.stat-suffix {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 2px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  animation: fadeInUp 1s ease 1s both;
}
.scroll-dot {
  width: 26px;
  height: 44px;
  border: 2px solid var(--border-glow);
  border-radius: 13px;
  position: relative;
}
.scroll-dot::after {
  content: '';
  position: absolute;
  width: 6px; height: 6px;
  background: var(--accent-1);
  border-radius: 50%;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { top: 6px; opacity: 1; }
  50% { top: 24px; opacity: 0.3; }
}

/* ── Section Shared ──────────────────────────────────────── */
section {
  padding: 100px 0;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-1);
  display: block;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.15;
}
.section-subtitle {
  margin-top: 14px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ── About ───────────────────────────────────────────────── */
#about { background: var(--bg-secondary); position: relative; overflow: hidden; }
#about::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,99,255,0.06), transparent);
  top: -200px; right: -200px;
  border-radius: 50%;
  pointer-events: none;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.8;
}
.about-text strong { color: var(--text-primary); font-weight: 600; }
.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}
.li-badge-wrap {
  margin-top: 20px;
}
.about-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  transition: var(--transition);
}
.about-link:hover, .about-link.location-tag {
  color: var(--accent-2);
  border-color: rgba(6,214,160,0.3);
  background: rgba(6,214,160,0.06);
}
.about-card-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0;
  transition: var(--transition);
}
.card-1::before { background: linear-gradient(90deg, var(--accent-1), var(--accent-2)); }
.card-2::before { background: linear-gradient(90deg, var(--accent-ai), var(--accent-1)); }
.card-3::before { background: linear-gradient(90deg, var(--accent-2), var(--accent-3)); }
.about-card:hover {
  transform: translateX(8px);
  border-color: var(--border-glow);
}
.about-card:hover::before { opacity: 1; }
.card-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  line-height: 1;
}
.about-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}
.about-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── Skills ──────────────────────────────────────────────── */
#skills { background: var(--bg-primary); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-category::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(108,99,255,0.05), transparent);
  opacity: 0;
  transition: var(--transition);
}
.skill-category:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.skill-category:hover::after { opacity: 1; }
.ai-category {
  grid-column: span 2;
}
.skill-category-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.skill-icon { font-size: 1.4rem; }
.skill-category-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-tag {
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
  transition: var(--transition);
  cursor: default;
}
.skill-tag:hover { color: var(--text-primary); border-color: var(--border-glow); }
.skill-tag.primary {
  background: rgba(108,99,255,0.1);
  border-color: rgba(108,99,255,0.3);
  color: #c4c0ff;
}
.skill-tag.primary:hover { background: rgba(108,99,255,0.2); }
.skill-tag.accent {
  background: rgba(168,85,247,0.1);
  border-color: rgba(168,85,247,0.3);
  color: #d8b4fe;
}
.skill-tag.accent:hover { background: rgba(168,85,247,0.2); }

/* ── Experience / Timeline ───────────────────────────────── */
#experience { background: var(--bg-secondary); }
.timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}
.timeline-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 24px;
  margin-bottom: 40px;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-marker {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 20px;
}
.marker-dot {
  width: 14px; height: 14px;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 14px rgba(108,99,255,0.5);
  z-index: 1;
}
.marker-line {
  flex: 1;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-1), transparent);
  margin-top: 8px;
  opacity: 0.3;
}
.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 30px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}
.timeline-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateX(4px);
}
.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.timeline-title-group h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.company-badge {
  font-size: 0.8rem;
  color: var(--accent-1);
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.25);
  border-radius: 6px;
  padding: 3px 10px;
  font-weight: 500;
}
.timeline-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-align: right;
}
.timeline-period {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.timeline-status.current {
  font-size: 0.72rem;
  background: rgba(6,214,160,0.12);
  border: 1px solid rgba(6,214,160,0.3);
  color: var(--accent-2);
  border-radius: 50px;
  padding: 2px 10px;
  font-weight: 600;
}
.timeline-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.timeline-bullets li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}
.timeline-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-1);
  font-size: 0.75rem;
  top: 2px;
}
.timeline-bullets strong { color: var(--text-primary); font-weight: 600; }

/* ── Projects ────────────────────────────────────────────── */
#projects { background: var(--bg-primary); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.project-card-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(108,99,255,0.08), transparent 60%);
  opacity: 0;
  transition: var(--transition);
}
.project-card:hover .project-card-glow { opacity: 1; }
.project-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4), var(--shadow-glow);
}
.project-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(168,85,247,0.08), rgba(108,99,255,0.08));
  border-color: rgba(168,85,247,0.25);
}
.project-card.featured .project-card-glow {
  background: radial-gradient(circle at top left, rgba(168,85,247,0.12), transparent);
}
.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.project-icon {
  font-size: 2rem;
  line-height: 1;
}
.project-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 50px;
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.25);
  color: var(--accent-1);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.ai-badge {
  background: rgba(168,85,247,0.12);
  border-color: rgba(168,85,247,0.3);
  color: var(--accent-ai);
}
.oss-badge {
  background: rgba(6,214,160,0.1);
  border-color: rgba(6,214,160,0.25);
  color: var(--accent-2);
}
.project-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}
.project-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: -8px;
  font-style: italic;
}
.problem-label, .impact-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.problem-label { color: var(--accent-3); }
.impact-label  { color: var(--accent-2); }
.project-problem p, .project-impact p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.project-impact strong { color: var(--text-primary); }
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 6px;
}
.tag {
  font-size: 0.73rem;
  padding: 3px 10px;
  border-radius: 5px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  transition: var(--transition);
}
.project-card:hover .tag {
  border-color: rgba(108,99,255,0.25);
  color: var(--text-secondary);
}

/* ── Education ───────────────────────────────────────────── */
#education { background: var(--bg-secondary); }
.education-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.edu-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  opacity: 0;
  transition: var(--transition);
}
.edu-card:hover::before { opacity: 1; }
.edu-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}
.edu-icon { font-size: 2.5rem; flex-shrink: 0; }
.edu-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.edu-spec {
  font-size: 0.82rem;
  color: var(--accent-1);
  margin-bottom: 4px;
}
.edu-school {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.edu-year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-2);
  background: rgba(6,214,160,0.1);
  border: 1px solid rgba(6,214,160,0.2);
  padding: 2px 10px;
  border-radius: 50px;
  margin-top: 6px;
}
.achievements-block {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  backdrop-filter: blur(12px);
}
.achievements-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
}
.ach-icon { font-size: 1.3rem; }
.ach-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.ach-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.ach-dot {
  width: 7px; height: 7px;
  background: var(--accent-3);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Contact ─────────────────────────────────────────────── */
#contact {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}
#contact::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,99,255,0.07), transparent);
  top: -200px; left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
  pointer-events: none;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.contact-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}
.contact-icon-wrap {
  width: 56px; height: 56px;
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.25);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-1);
  transition: var(--transition);
}
.contact-card:hover .contact-icon-wrap {
  background: rgba(108,99,255,0.2);
  transform: scale(1.08);
}
.contact-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}
.contact-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  word-break: break-all;
}

/* ── Footer ──────────────────────────────────────────────── */
#footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
}
.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent-1); }

/* ── Animations ──────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }
  .project-card.featured {
    grid-column: span 2;
  }
  .ai-category {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(8,12,20,0.97);
    backdrop-filter: blur(20px);
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .hamburger { display: flex; }
  .nav-cta { display: none; }
  #navbar { background: rgba(8,12,20,0.95); backdrop-filter: blur(20px); }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .education-grid { grid-template-columns: 1fr; }
  .ach-list { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .ai-category { grid-column: span 1; }
  .hero-stats { gap: 20px; }
  .stat-divider { height: 30px; }
}

@media (max-width: 480px) {
  .contact-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .timeline-header { flex-direction: column; }
  .timeline-meta { flex-direction: column; align-items: flex-start; }
}