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

:root {
  --bg: #080810;
  --bg2: #0e0e1a;
  --surface: rgba(255,255,255,0.04);
  --surface2: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --text: #e8e8f0;
  --text-muted: #8b8ba8;
  --accent: #6366f1;
  --accent2: #8b5cf6;
  --accent3: #06b6d4;
  --green: #10b981;
  --radius: 16px;
  --shadow: 0 24px 64px rgba(0,0,0,0.5);
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; font-size: 17px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

strong { color: var(--text); }

/* ── Utility ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent2), var(--accent3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── NAV ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--transition), box-shadow var(--transition);
  padding: 0;
  background: rgba(18,18,38,0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(99,102,241,0.18);
}

[data-mode="light"] #navbar {
  background: rgba(248,248,252,0.85);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
}

#navbar.scrolled {
  background: rgba(8,8,16,0.92);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

/* Nav links always readable on the dark scrolled bar regardless of light/dark mode */
#navbar.scrolled .nav-links a {
  color: rgba(255,255,255,0.65);
}
#navbar.scrolled .nav-links a:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  flex: 1;
}

.nav-links a {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
}

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

.btn-nav {
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  transition: opacity var(--transition), transform var(--transition);
  flex-shrink: 0;
}

.btn-nav:hover { opacity: 0.85; transform: translateY(-1px); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── HERO ── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 24px 60px;
}

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

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: orb-float 8s ease-in-out infinite alternate;
}

.orb1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent), transparent);
  top: -200px; left: -200px;
  animation-duration: 9s;
}

.orb2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent2), transparent);
  bottom: -100px; right: -150px;
  animation-duration: 11s;
  animation-delay: -3s;
}

.orb3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, var(--accent3), transparent);
  top: 40%; right: 30%;
  animation-duration: 7s;
  animation-delay: -5s;
}

@keyframes orb-float {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, -30px) scale(1.1); }
}

.grid-overlay {
  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;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 64px;
  width: 100%;
}

.hero-photo-wrap {
  position: relative;
  flex-shrink: 0;
}

.hero-photo {
  width: 220px;
  height: 270px;
  object-fit: cover;
  object-position: center top;
  border-radius: 24px;
  position: relative;
  z-index: 2;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px var(--border);
}

.hero-photo-ring {
  position: absolute;
  inset: -8px;
  border-radius: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent2), var(--accent3));
  z-index: 1;
  opacity: 0.5;
  filter: blur(16px);
}

.clearance-badge {
  margin-top: 14px;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 6px 14px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  white-space: nowrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--green);
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 20px;
}

.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(16,185,129,0); }
}

.hero-name {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 12px;
  color: var(--text);
}

.hero-title {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-family: 'JetBrains Mono', monospace;
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 24px;
  line-height: 1.7;
}

.hero-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.cert-badge {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.3);
  color: var(--accent);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 12px 28px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 8px 32px rgba(99,102,241,0.35);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(99,102,241,0.5);
}

.btn-secondary {
  padding: 12px 28px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  transition: background var(--transition), transform var(--transition);
}

.btn-secondary:hover {
  background: var(--surface2);
  transform: translateY(-2px);
}

.hero-socials {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.hero-social-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

.hero-social-link:hover { color: var(--text); }

.js-hero-yt-link:hover { color: #ff4444; }
.js-hero-gh-link:hover { color: var(--text); }
[data-mode="dark"] .js-hero-gh-link:hover { color: #e0e0e0; }

.scroll-hint {
  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: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 2;
}

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

@keyframes scroll-drop {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1) translateY(20px); }
}

/* ── SECTIONS ── */
.section { padding: 100px 0; }
.section-dark { background: var(--bg2); }

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  font-family: 'JetBrains Mono', monospace;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 56px;
  color: var(--text);
}

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 18px;
  font-size: 1.05rem;
  line-height: 1.75;
}

.about-text p:last-child { margin-bottom: 0; }

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

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: transform var(--transition), background var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  background: var(--surface2);
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── TIMELINE ── */
.timeline { display: flex; flex-direction: column; gap: 0; }

.timeline-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item.visible { opacity: 1; transform: translateY(0); }

.timeline-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 28px;
}

.timeline-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--surface2);
  border: 2px solid var(--border);
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
  z-index: 1;
}

.timeline-dot.active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(99,102,241,0.2);
}

.timeline-line {
  flex: 1;
  width: 2px;
  background: linear-gradient(to bottom, var(--border), transparent);
  margin-top: 8px;
}

.exp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.exp-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99,102,241,0.3);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.exp-card.current {
  border-color: rgba(99,102,241,0.4);
  background: rgba(99,102,241,0.06);
}

.exp-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
  position: relative;
}

.exp-logo {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

.exp-meta { flex: 1; }

.exp-company {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

.exp-role {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 2px;
}

.exp-dates {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.exp-logo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.exp-badge-current {
  font-size: 0.62rem;
  font-weight: 700;
  padding: 2px 8px;
  background: rgba(16,185,129,0.15);
  color: var(--green);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: 100px;
  white-space: nowrap;
}

.exp-clients {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-style: italic;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.exp-tags span {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(139,92,246,0.1);
  border: 1px solid rgba(139,92,246,0.3);
  color: var(--accent2);
  font-weight: 500;
}

.exp-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.exp-bullets li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.6;
}

.exp-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
  top: 3px;
}

/* ── SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.skill-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--transition), border-color var(--transition);
  opacity: 0;
  transform: translateY(24px);
}

.skill-category.visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-category:hover {
  transform: translateY(-4px);
  border-color: rgba(99,102,241,0.3);
}

.skill-cat-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.skill-category h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-tags span {
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: color var(--transition), border-color var(--transition);
}

.skill-category:hover .skill-tags span {
  color: var(--text);
  border-color: rgba(99,102,241,0.2);
}

/* ── AWARDS ── */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Infosys (or any span:true card) stretches full width */
.award-card--wide {
  grid-column: 1 / -1;
}

@media (max-width: 860px) {
  .awards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .awards-grid { grid-template-columns: 1fr; }
  .award-card--wide { grid-column: 1; }
}

.award-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--transition), border-color var(--transition);
  opacity: 0;
  transform: translateY(24px);
}

.award-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.award-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99,102,241,0.3);
}

.award-org-badge {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 8px;
  color: #fff;
  display: inline-block;
  margin-bottom: 16px;
}

.award-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.award-list li {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Items inside a wide card flow in 3 columns — must come after .award-list to win the cascade */
.award-list--cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px 24px;
}
@media (max-width: 860px) {
  .award-list--cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .award-list--cols { grid-template-columns: 1fr; }
}

/* Chess award card — list left, board right */
.award-chess-inner {
  display: flex;
  align-items: center;
  gap: 28px;
}
.award-card--chess .award-list--cols {
  flex: 1;
}
.chess-board-wrap {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.chess-board-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-style: italic;
  letter-spacing: 0.02em;
}
@media (max-width: 640px) {
  .award-chess-inner { flex-direction: column; }
  .chess-board-wrap  { align-self: center; }
}

/* ── CONTACT ── */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}

.contact-intro {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 480px;
  line-height: 1.75;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.contact-link:hover { color: var(--text); }

.contact-icon { font-size: 1.2rem; }

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 8px 32px rgba(99,102,241,0.35);
}

.btn-download:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(99,102,241,0.5);
}

/* ── Glossary button + modal ── */
.glossary-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--accent);
  background: none;
  cursor: pointer;
  padding: 10px 22px;
  border: 1px solid rgba(99,102,241,0.35);
  border-radius: 10px;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.glossary-link:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

/* Modal overlay */
#glossary-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
}
#glossary-modal.open { display: flex; align-items: flex-start; justify-content: center; }

.gm-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
}

.gm-panel {
  position: relative;
  z-index: 1;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: min(900px, 96vw);
  max-height: 90vh;
  margin-top: 5vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
}

.gm-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 32px 32px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.gm-header h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
  margin: 4px 0 8px;
}

.gm-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.6;
}

/* Search box inside glossary modal */
.refs-search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  max-width: 380px;
  transition: border-color 0.2s;
}

.refs-search-wrap:focus-within {
  border-color: var(--accent);
}

.refs-search-icon {
  font-size: 0.88rem;
  opacity: 0.6;
  flex-shrink: 0;
}

#refs-search {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 0.88rem;
  font-family: inherit;
  width: 100%;
}

#refs-search::placeholder {
  color: var(--text-muted);
}

/* Hide the native clear (×) button on search inputs */
#refs-search::-webkit-search-cancel-button { opacity: 0.5; }

.refs-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.gm-close {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  padding: 8px 14px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}
.gm-close:hover { background: var(--surface); color: var(--text); }

.gm-body {
  overflow-y: auto;
  padding: 28px 32px 32px;
}

.gm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* Book cards (shared between glossary page + modal) */
.book-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.book-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
}
.book-card:hover {
  border-color: rgba(99,102,241,0.35);
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}
.book-header { display: flex; align-items: flex-start; gap: 12px; }
.book-icon { font-size: 1.8rem; line-height: 1; flex-shrink: 0; }
.book-meta { flex: 1; }
.book-title { font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 2px; }
.book-title-sa {
  font-family: 'Noto Sans Devanagari', serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 3px;
}
.book-period { font-size: 0.74rem; font-family: 'JetBrains Mono', monospace; color: var(--text-muted); }
.book-author { font-size: 0.8rem; font-weight: 600; color: var(--accent2); }
.book-author::before { content: '✍ '; font-size: 0.72rem; }
.book-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }
.book-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: auto; }
.book-tags span {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 5px;
  background: rgba(139,92,246,0.1);
  border: 1px solid rgba(139,92,246,0.3);
  color: var(--accent2);
  font-weight: 500;
}

@media (max-width: 640px) {
  .gm-header { padding: 20px 20px 16px; }
  .gm-body { padding: 16px 20px 24px; }
  .gm-grid { grid-template-columns: 1fr; }
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  min-width: 200px;
  transition: transform var(--transition);
}

.contact-card:hover { transform: translateY(-4px); }

.contact-photo-wrap img {
  width: 110px;
  height: 135px;
  object-fit: cover;
  object-position: center top;
  border-radius: 14px;
  border: 2px solid var(--border);
}

.contact-card-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.contact-card-info strong {
  font-size: 0.95rem;
  font-weight: 700;
}

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

/* ── FOOTER ── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.footer-quote {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-quote-text {
  font-family: 'Noto Sans Devanagari', serif;
  font-size: 1.1rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-quote-iast {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--text); }
.footer-social-link { display: flex; align-items: center; color: var(--text-muted); transition: color 0.2s; }
.footer-social-link:hover { color: var(--text); }
.footer-yt-link { color: #ff0000; }
.footer-yt-link:hover { color: #cc0000; }
.footer-li-link { color: #0a66c2; }
.footer-li-link:hover { color: #004c92; }
.footer-gh-link { color: var(--text-muted); }
.footer-gh-link:hover { color: var(--text); }
[data-mode="dark"] .footer-gh-link:hover { color: #e0e0e0; }
.footer-cv-link { color: var(--accent); }
.footer-cv-link:hover { opacity: 0.75; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-content { flex-direction: column; gap: 36px; text-align: center; align-items: center; }
  .hero-photo { width: 160px; height: 200px; }
  .hero-badge { justify-content: center; }
  .hero-sub { margin: 0 auto 24px; }
  .hero-certs { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-socials { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .contact-card { flex-direction: row; min-width: unset; }
}

@media (max-width: 640px) {
  .nav-links, .btn-nav { display: none; }
  .nav-hamburger { display: flex; }
  .section { padding: 70px 0; }
  .timeline-item { grid-template-columns: 32px 1fr; gap: 16px; }
  .exp-header { gap: 12px; }
  .exp-logo { width: 42px; height: 42px; font-size: 0.62rem; }
  .exp-dates { font-size: 0.76rem; }
  .footer-inner { flex-direction: column; text-align: center; }
  .contact-card { flex-direction: column; }
  .about-stats { grid-template-columns: 1fr 1fr; }
}

/* ── Mobile Fixed Bottom Bar ── */
.mobile-bottom-bar {
  display: none; /* hidden on desktop */
}
@media (max-width: 640px) {
  .mobile-bottom-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 150;
    height: 56px;
    background: rgba(8,8,16,0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid rgba(255,255,255,0.08);
    justify-content: space-around;
    align-items: center;
  }
  [data-mode="light"] .mobile-bottom-bar {
    background: rgba(248,248,252,0.90);
    border-top: 1px solid rgba(0,0,0,0.08);
  }
  /* Push page content above the bar */
  body { padding-bottom: 56px; }
  .mbb-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    color: var(--text-muted);
    transition: color 0.2s, background 0.2s;
  }
  .mbb-link:hover, .mbb-link:active { background: var(--surface2); }
  .mbb-yt  { color: #ff0000; }
  .mbb-li  { color: #0a66c2; }
  .mbb-cv  { color: var(--accent); }
}

/* ── Mobile Nav Menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(8,8,16,0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: color var(--transition);
}

.mobile-menu a:hover { color: #fff; }

.mobile-menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ── Light-mode contrast fixes ──────────────────────────────────
   In dark mode, accent-coloured text on dark surfaces is high-contrast.
   In light mode the same purple on a pale-purple tinted background
   is near-invisible. These overrides restore readable contrast.
   ---------------------------------------------------------------- */

/* Tags: swap purple-on-lavender → dark text on neutral pill */
[data-mode="light"] .exp-tags span,
[data-mode="light"] .project-tags span,
[data-mode="light"] .book-tags span,
[data-mode="light"] .skill-tags span,
[data-mode="light"] .sa-text-tag {
  color: var(--text);
  background: rgba(0,0,0,0.07);
  border-color: rgba(0,0,0,0.14);
}

/* Cert badges */
[data-mode="light"] .cert-badge {
  color: var(--text);
  background: rgba(0,0,0,0.07);
  border-color: rgba(0,0,0,0.14);
}

/* Experience role text — currently purple on lavender card */
[data-mode="light"] .exp-role {
  color: #3730a3;   /* indigo-800 — much darker than --accent, AA-passes on white */
}

/* Section labels — accent purple just misses AA on off-white; darken slightly */
[data-mode="light"] .section-label {
  color: #3730a3;
}

/* Quote source attribution */
[data-mode="light"] .quote-source {
  color: #3730a3;
}

/* Quote IAST romanisation — currently accent-coloured */
[data-mode="light"] .quote-iast {
  color: #3730a3;
}

/* Pagination info text */
[data-mode="light"] .quotes-page-info {
  color: var(--text-muted);
}

/* Glossary book tags */
[data-mode="light"] .book-tags span {
  color: var(--text);
  background: rgba(0,0,0,0.07);
  border-color: rgba(0,0,0,0.14);
}

/* Stat numbers in about cards */
[data-mode="light"] .stat-num {
  color: var(--accent);   /* accent on white card bg = 4.2 — acceptable for large bold display text */
}

/* Mobile menu hover */
[data-mode="light"] .mobile-menu a:hover {
  color: var(--text);
}