/* ============================================================
   DIPANKAR SARKAR — PORTFOLIO  |  style.css  v4
   ============================================================ */

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── BRAND TOKENS — Glassmorphism ── */
:root {
  --violet:     #8B5CF6;
  --cyan:       #22D3EE;
  --pink:       #F472B6;
  --grad:       linear-gradient(135deg, #8B5CF6 0%, #22D3EE 100%);
  --grad-r:     linear-gradient(135deg, #22D3EE 0%, #8B5CF6 100%);
  --grad-warm:  linear-gradient(135deg, #F472B6 0%, #8B5CF6 100%);
  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:cubic-bezier(0.34, 1.56, 0.64, 1);
  --radius:     12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --blur:       blur(20px) saturate(1.7);
}

/* ── LIGHT THEME ── */
[data-theme="light"] {
  --bg:         #f2f1fb;
  --bg2:        #eae7fa;
  --surface:    rgba(255,255,255,0.6);
  --surface2:   rgba(255,255,255,0.4);
  --glass-strong: rgba(255,255,255,0.78);
  --border:     rgba(139,92,246,0.16);
  --border2:    rgba(139,92,246,0.32);
  --text:       #1e1b3a;
  --text2:      #4b4867;
  --text3:      #655f8a;
  --accent:     #7C3AED;
  --accent-lt:  #22D3EE;
  --accent-bg:  rgba(124,58,237,0.09);
  --accent-bdr: rgba(124,58,237,0.25);
  --shadow-sm:  0 1px 3px rgba(76,29,149,0.06), 0 2px 12px rgba(76,29,149,0.06);
  --shadow-md:  0 8px 28px rgba(76,29,149,0.12);
  --shadow-lg:  0 18px 56px rgba(76,29,149,0.18);
  --nav-bg:     rgba(255,255,255,0.55);
}

/* ── DARK THEME ── */
[data-theme="dark"] {
  --bg:         #0b0a19;
  --bg2:        #100e24;
  --surface:    rgba(32,28,58,0.5);
  --surface2:   rgba(32,28,58,0.32);
  --glass-strong: rgba(38,33,68,0.72);
  --border:     rgba(255,255,255,0.09);
  --border2:    rgba(167,139,250,0.28);
  --text:       #f1f0fb;
  --text2:      #beb9e8;
  --text3:      #948fc4;
  --accent:     #A78BFA;
  --accent-lt:  #67E8F9;
  --accent-bg:  rgba(167,139,250,0.13);
  --accent-bdr: rgba(167,139,250,0.32);
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.35), 0 2px 12px rgba(0,0,0,0.3);
  --shadow-md:  0 8px 28px rgba(0,0,0,0.45);
  --shadow-lg:  0 18px 56px rgba(0,0,0,0.55);
  --nav-bg:     rgba(11,10,25,0.55);
}

/* ── AMBIENT BACKGROUND MESH (fixed, sits behind all glass panels) ── */
.bg-mesh { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: var(--bg); }
.bg-mesh .blob {
  position: absolute; border-radius: 50%; filter: blur(90px);
  opacity: 0.55; will-change: transform;
}
[data-theme="dark"] .bg-mesh .blob { opacity: 0.35; }
.bg-mesh .blob-1 { width: 55vw; height: 55vw; max-width: 700px; max-height: 700px; background: radial-gradient(circle, var(--violet) 0%, transparent 70%); top: -18%; left: -12%; animation: meshFloat1 22s ease-in-out infinite alternate; }
.bg-mesh .blob-2 { width: 45vw; height: 45vw; max-width: 600px; max-height: 600px; background: radial-gradient(circle, var(--cyan) 0%, transparent 70%); top: 20%; right: -14%; animation: meshFloat2 26s ease-in-out infinite alternate; }
.bg-mesh .blob-3 { width: 40vw; height: 40vw; max-width: 520px; max-height: 520px; background: radial-gradient(circle, var(--pink) 0%, transparent 70%); bottom: -10%; left: 18%; animation: meshFloat1 30s ease-in-out infinite alternate-reverse; }
.bg-mesh .blob-4 { width: 32vw; height: 32vw; max-width: 420px; max-height: 420px; background: radial-gradient(circle, var(--violet) 0%, transparent 70%); bottom: 10%; right: 10%; animation: meshFloat2 24s ease-in-out infinite alternate; }
@keyframes meshFloat1 { from { transform: translate(0,0) scale(1); } to { transform: translate(6%,8%) scale(1.15); } }
@keyframes meshFloat2 { from { transform: translate(0,0) scale(1); } to { transform: translate(-6%,-6%) scale(1.1); } }
@media (max-width: 700px) { .bg-mesh .blob { filter: blur(60px); } }

/* ── BASE ── */
body {
  font-family: 'Outfit', sans-serif;
  background: transparent;
  color: var(--text);
  line-height: 1.75;
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
  overflow-x: hidden;
  padding-left: 92px;
}
@media (max-width: 900px) { body { padding-left: 0; padding-bottom: 84px; } }
h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600; line-height: 1.1; letter-spacing: -0.01em;
}

/* ============================================================
   NAV — floating vertical icon dock (desktop) /
         horizontal scroll bar (mobile)
   ============================================================ */
.brand-badge {
  position: fixed; top: 1.5rem; left: 1.5rem; z-index: 301;
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--nav-bg); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border); box-shadow: var(--shadow-md);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s;
}
.brand-badge:hover { transform: scale(1.08) rotate(-6deg); box-shadow: var(--shadow-lg); }
.brand-badge img { width: 26px; height: auto; }

#navbar {
  position: fixed; top: 50%; left: 1.5rem; transform: translateY(-50%); z-index: 300;
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  padding: 1rem 0.55rem;
  background: var(--nav-bg);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: 100px;
  box-shadow: var(--shadow-md);
}
.nav-links { display: flex; flex-direction: column; align-items: center; gap: 0.3rem; }
.nav-links a {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.92rem; color: var(--text2);
  position: relative; transition: background 0.25s var(--ease), color 0.25s, transform 0.3s var(--ease-spring);
}
.nav-links a:hover { background: var(--accent-bg); color: var(--accent); transform: scale(1.12); }
.nav-links a.active { background: var(--grad); color: #fff; box-shadow: 0 2px 14px var(--accent-bdr); }
.nav-links a::after {
  content: attr(data-tip); position: absolute; left: 130%; top: 50%; transform: translateY(-50%) translateX(-6px);
  background: var(--glass-strong); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border); color: var(--text);
  font-size: 0.72rem; font-weight: 500; white-space: nowrap;
  padding: 0.4rem 0.8rem; border-radius: 100px; box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none; transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}
.nav-links a:hover::after { opacity: 1; transform: translateY(-50%) translateX(0); }
.nav-dock-divider { width: 22px; height: 1px; background: var(--border); margin: 0.15rem 0; }
.theme-toggle {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface2); border: 1px solid var(--border);
  cursor: pointer; transition: border-color 0.2s, transform 0.3s var(--ease-spring);
  position: relative;
}
.theme-toggle:hover { border-color: var(--accent); transform: scale(1.12) rotate(-12deg); }
.theme-toggle i { font-size: 0.85rem; color: var(--text2); }
.theme-toggle::after {
  content: attr(data-tip); position: absolute; left: 130%; top: 50%; transform: translateY(-50%) translateX(-6px);
  background: var(--glass-strong); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border); color: var(--text);
  font-size: 0.72rem; font-weight: 500; white-space: nowrap;
  padding: 0.4rem 0.8rem; border-radius: 100px; box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none; transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}
.theme-toggle:hover::after { opacity: 1; transform: translateY(-50%) translateX(0); }

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */
.container { max-width: 1100px; margin: 0 auto; padding: 0 4rem; }
.section-pad { padding: 6rem 0; }
section { position: relative; }
#home { border-top: none; }

.eyebrow {
  font-family: 'Outfit', sans-serif;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 0.55rem; margin-bottom: 1rem;
  background: var(--accent-bg); border: 1px solid var(--accent-bdr);
  padding: 0.35rem 0.9rem 0.35rem 0.7rem; border-radius: 100px;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.eyebrow::before { content: ''; display: block; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); flex-shrink: 0; }
.section-title { font-size: clamp(2rem, 4vw, 3.25rem); color: var(--text); margin-bottom: 0.5rem; }
.section-title em { font-style: italic; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; font-weight: 600; }
.section-sub { font-size: 0.975rem; color: var(--text2); max-width: 520px; font-weight: 300; margin-bottom: 3.5rem; line-height: 1.7; }

.card {
  background: var(--surface); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--border); border-radius: var(--radius-lg);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.3s var(--ease), transform 0.35s var(--ease-spring), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.card:hover { border-color: var(--accent-bdr); transform: translateY(-6px); box-shadow: var(--shadow-lg); background: var(--glass-strong); }

.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--grad); color: #fff;
  font-family: 'Outfit', sans-serif; font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.875rem 2rem; border-radius: 100px;
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease-spring);
  box-shadow: 0 4px 24px var(--accent-bdr); border: none; cursor: pointer;
}
.btn-primary:hover { box-shadow: 0 8px 32px var(--accent-bdr); transform: translateY(-3px) scale(1.02); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--surface2); color: var(--text);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  font-family: 'Outfit', sans-serif; font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.875rem 2rem; border-radius: 100px;
  border: 1px solid var(--border2);
  transition: border-color 0.25s, background 0.25s, color 0.25s, transform 0.3s var(--ease-spring);
}
.btn-outline:hover { border-color: var(--accent); background: var(--accent-bg); color: var(--accent); transform: translateY(-3px); }

/* ── REVEAL ── */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.65s var(--ease), transform 0.65s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

/* ── GRADIENT TEXT ── */
.grad-text { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ============================================================
   HERO — GLASS PANEL
   ============================================================ */
#home {
  min-height: 100vh; padding-top: 3rem;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}

/* Hero bento grid */
.hero-bento {
  max-width: 1180px; width: min(94%, 1180px); margin: 0 auto;
  display: grid; grid-template-columns: 1.15fr 0.85fr; grid-template-rows: auto auto;
  gap: 1.25rem; position: relative; z-index: 1;
}
.hero-text-tile {
  grid-column: 1; grid-row: 1;
  background: var(--surface); border: 1px solid var(--border);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border-radius: var(--radius-xl); box-shadow: var(--shadow-lg);
  padding: 3rem 3rem 2.5rem; position: relative; overflow: hidden;
}
.hero-text-tile::before {
  content: ''; position: absolute; top: -30%; right: -15%; width: 320px; height: 320px;
  background: radial-gradient(circle, var(--accent-bg) 0%, transparent 70%);
  pointer-events: none;
}

/* Hero entry animations */
.hero-anim-1 { opacity: 0; transform: translateY(20px); animation: heroIn 0.6s 0.1s var(--ease) forwards; }
.hero-anim-2 { opacity: 0; transform: translateY(30px); animation: heroIn 0.7s 0.25s var(--ease) forwards; }
.hero-anim-3 { opacity: 0; transform: translateY(20px); animation: heroIn 0.6s 0.4s var(--ease) forwards; }
.hero-anim-4 { opacity: 0; transform: translateY(20px); animation: heroIn 0.6s 0.55s var(--ease) forwards; }
.hero-anim-5 { opacity: 0; transform: translateY(20px); animation: heroIn 0.6s 0.7s var(--ease) forwards; }
.hero-anim-6 { opacity: 0; transform: translateY(20px); animation: heroIn 0.6s 0.85s var(--ease) forwards; }
@keyframes heroIn { to { opacity: 1; transform: translateY(0); } }

/* Badge pill */
.hero-badge-pill {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: var(--accent-bg); border: 1px solid var(--accent-bdr);
  border-radius: 100px; padding: 0.4rem 1rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.5rem;
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s;
}
.hero-badge-pill:hover { transform: rotate(-2deg) scale(1.04); box-shadow: var(--shadow-sm); }
.status-dot {
  width: 7px; height: 7px; border-radius: 50%; background: #22c55e;
  animation: pulse 2s ease-in-out infinite; flex-shrink: 0;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(0.7)} }

/* Hero name — stacked lines */
.hero-name {
  display: flex; flex-direction: column;
  margin-bottom: 1.25rem; line-height: 1;
}
.hero-hi {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1rem, 2vw, 1.2rem); font-weight: 300;
  color: var(--text3); letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.hero-firstname {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3rem, 5.5vw, 4.75rem); font-weight: 700;
  letter-spacing: -0.025em; color: var(--text); line-height: 0.95;
}
.hero-lastname {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3rem, 5.5vw, 4.75rem); font-weight: 700;
  letter-spacing: -0.025em; line-height: 0.95;
}

/* Typewriter */
.hero-typewriter {
  font-size: 1.1rem; color: var(--text2); font-weight: 300;
  margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.3rem;
  min-height: 1.75rem;
}
.tw-prefix { color: var(--text3); }
.tw-word {
  font-weight: 600; font-size: 1.1rem;
  background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.tw-cursor {
  color: var(--accent); font-weight: 300; animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* Hero quote */
.hero-quote {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem; font-style: italic; color: var(--text2);
  background: var(--surface2); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 1rem 1.25rem; margin-bottom: 2rem; line-height: 1.6; max-width: 460px;
  position: relative;
  transition: transform 0.3s var(--ease-spring);
}
.hero-quote:hover { transform: rotate(-0.6deg) translateY(-3px); }
.hero-quote::before {
  content: '\201C'; position: absolute; top: -0.6rem; left: 0.9rem;
  font-size: 2.5rem; color: var(--accent); opacity: 0.35; font-family: Georgia, serif; line-height: 1;
}

.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero stat tiles (bento row) */
.hero-stats-row { grid-column: 1; grid-row: 2; display: flex; gap: 1.1rem; }
.hero-stat-tile {
  flex: 1; text-align: center; padding: 1.35rem 1rem;
  background: var(--surface); border: 1px solid var(--border);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease-spring), box-shadow 0.3s, background 0.3s;
}
.hero-stat-tile:nth-child(1) { transform: rotate(-1.2deg); }
.hero-stat-tile:nth-child(2) { transform: rotate(0.8deg); }
.hero-stat-tile:nth-child(3) { transform: rotate(-0.6deg); }
.hero-stat-tile:hover { transform: translateY(-6px) rotate(0deg) scale(1.03); box-shadow: var(--shadow-lg); background: var(--glass-strong); }
.hero-stat-icon { font-size: 0.9rem; color: var(--accent); margin-bottom: 0.5rem; display: block; transition: transform 0.35s var(--ease-spring); }
.hero-stat-tile:hover .hero-stat-icon { transform: scale(1.25) rotate(-10deg); }
.hero-stat-val {
  font-family: 'Cormorant Garamond', serif; font-size: 1.9rem; font-weight: 700; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-stat-label { font-size: 0.66rem; color: var(--text3); letter-spacing: 0.05em; text-transform: uppercase; margin-top: 5px; }

/* Hero photo tile — full-bleed image bento tile */
.hero-photo-tile {
  grid-column: 2; grid-row: 1 / span 2; position: relative; overflow: hidden;
  border-radius: var(--radius-xl); border: 1px solid var(--border);
  box-shadow: var(--shadow-lg); min-height: 100%; perspective: 1000px;
}
.hero-photo-tile img {
  width: 100%; height: 100%; min-height: 480px; object-fit: cover; object-position: top;
  display: block; transition: transform 0.6s var(--ease);
}
.hero-photo-tile:hover img { transform: scale(1.06); }
.hero-photo-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(11,10,25,0.55) 100%);
  pointer-events: none;
}

/* Floating badges (over photo tile) */
.hero-float-badge {
  position: absolute; z-index: 3;
  background: var(--glass-strong); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-lg); padding: 0.75rem 1rem;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 0.75rem;
  animation: badgeFloat 4s ease-in-out infinite;
  transition: transform 0.3s var(--ease-spring);
}
.hero-float-badge:hover { transform: scale(1.06); }
.hero-float-badge:nth-child(4) { animation-delay: -2s; }
.fb-icon {
  width: 34px; height: 34px; border-radius: var(--radius); flex-shrink: 0;
  background: var(--grad); display: flex; align-items: center; justify-content: center;
}
.fb-icon i { font-size: 0.85rem; color: #fff; }
.float-val { font-family: 'Cormorant Garamond', serif; font-size: 1.2rem; font-weight: 700; color: var(--text); line-height: 1; }
.float-lbl { font-size: 0.65rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 2px; }
.fb-tl { top: 1rem; left: 1rem; }
.fb-br { bottom: 1rem; right: 1rem; }
@keyframes badgeFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }

/* Scroll hint */
.hero-scroll-hint {
  position: relative; margin: 2rem auto 0; width: fit-content;
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  z-index: 1; animation: heroIn 0.6s 1.2s var(--ease) both;
}
.hero-scroll-hint span { font-size: 0.68rem; color: var(--text3); letter-spacing: 0.12em; text-transform: uppercase; }
.hero-scroll-arrow {
  width: 32px; height: 32px; border: 1px solid var(--border); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--text3); font-size: 0.7rem;
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce { 0%,100%{transform:translateY(0)} 50%{transform:translateY(5px)} }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.about-text p { color: var(--text2); margin-bottom: 1.25rem; font-weight: 300; font-size: 1rem; line-height: 1.8; }
.about-text strong { color: var(--accent); font-weight: 500; }
.about-socials { display: flex; gap: 0.625rem; margin-top: 1.5rem; flex-wrap: wrap; }
.about-social-btn {
  width: 38px; height: 38px; border-radius: var(--radius);
  background: var(--surface2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text3); font-size: 0.9rem;
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.2s;
}
.about-social-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); transform: translateY(-2px); }
.about-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.meta-card { display: flex; align-items: center; gap: 1.125rem; padding: 1.1rem 1.25rem; }
.meta-card-wide { grid-column: 1 / -1; }
.meta-icon { width: 40px; height: 40px; flex-shrink: 0; border-radius: var(--radius); background: var(--accent-bg); border: 1px solid var(--accent-bdr); display: flex; align-items: center; justify-content: center; transition: transform 0.3s var(--ease-spring); }
.meta-card:hover .meta-icon { transform: rotate(-10deg) scale(1.1); }
.meta-icon i { font-size: 0.95rem; color: var(--accent); }
.meta-label { font-size: 0.68rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 2px; }
.meta-val { font-size: 0.9rem; font-weight: 500; color: var(--text); }

/* ============================================================
   ONGOING RESEARCH PROJECT — SPOTLIGHT CARD
   ============================================================ */
.research-spotlight {
  position: relative; display: flex; gap: 2rem; align-items: flex-start;
  background: var(--surface); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--border); border-radius: var(--radius-xl);
  padding: 2.75rem; overflow: hidden;
  transition: transform 0.4s var(--ease-spring), border-color 0.3s, box-shadow 0.4s var(--ease);
}
.research-spotlight:hover { transform: translateY(-6px); border-color: var(--accent-bdr); box-shadow: var(--shadow-lg); }
.rs-glow {
  position: absolute; top: -40%; right: -15%; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-bg) 0%, transparent 70%);
  pointer-events: none; opacity: 0; transition: opacity 0.5s var(--ease);
}
.research-spotlight:hover .rs-glow { opacity: 1; }
.rs-icon {
  width: 64px; height: 64px; flex-shrink: 0; border-radius: var(--radius-lg);
  background: var(--grad); display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.6rem; position: relative; z-index: 1;
  transition: transform 0.4s var(--ease-spring);
}
.research-spotlight:hover .rs-icon { transform: rotate(-8deg) scale(1.08); }
.rs-body { position: relative; z-index: 1; flex: 1; min-width: 0; }
.rs-status { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; background: var(--accent-bg); border: 1px solid var(--accent-bdr); color: var(--accent); padding: 0.3rem 0.8rem; border-radius: 100px; margin-bottom: 1rem; }
.rs-title { font-family: 'Cormorant Garamond', serif; font-size: 1.6rem; font-weight: 600; color: var(--text); line-height: 1.3; margin-bottom: 0.9rem; }
.rs-desc { font-size: 0.92rem; color: var(--text2); font-weight: 300; line-height: 1.8; margin-bottom: 1.5rem; max-width: 620px; }
.rs-links { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; }
.rs-link-placeholder { font-size: 0.8rem; color: var(--text2); font-style: italic; display: inline-flex; align-items: center; gap: 0.4rem; }
.rs-link { font-size: 0.8rem; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 0.4rem; transition: gap 0.2s; }
.rs-link:hover { gap: 0.65rem; text-decoration: underline; }

/* ============================================================
   COURSE MATERIALS CTA BANNER
   ============================================================ */
#course-materials-cta { padding: 0 0 2rem; }
.cta-banner {
  display: flex; align-items: center; gap: 2rem; flex-wrap: wrap;
  background: var(--surface); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--border); border-radius: var(--radius-xl);
  padding: 2.25rem 2.5rem; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 100% at 100% 0%, var(--accent-bg) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner-icon {
  width: 56px; height: 56px; flex-shrink: 0; border-radius: var(--radius-lg);
  background: var(--grad); display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.4rem; position: relative; z-index: 1;
}
.cta-banner-text { flex: 1; min-width: 240px; position: relative; z-index: 1; }
.cta-banner-title { font-family: 'Cormorant Garamond', serif; font-size: 1.5rem; font-weight: 600; color: var(--text); margin-bottom: 0.4rem; }
.cta-banner-desc { font-size: 0.88rem; color: var(--text2); font-weight: 300; line-height: 1.6; max-width: 560px; }
.cta-banner-btn { position: relative; z-index: 1; white-space: nowrap; }

/* ============================================================
   EDUCATION
   ============================================================ */
.edu-timeline { position: relative; display: flex; flex-direction: column; gap: 1.75rem; max-width: 760px; }
.edu-track { position: absolute; left: 27px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--accent) 0%, var(--border) 100%); opacity: 0.4; }
.edu-node { display: flex; align-items: flex-start; gap: 1.5rem; padding: 1.5rem 1.75rem; position: relative; }
.edu-dot {
  width: 56px; height: 56px; flex-shrink: 0; border-radius: 50%; z-index: 1;
  background: var(--grad); display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.15rem; box-shadow: 0 0 0 6px var(--bg), var(--shadow-md);
  transition: transform 0.35s var(--ease-spring);
}
.edu-node:hover .edu-dot { transform: scale(1.12) rotate(-8deg); }
.edu-node-body { flex: 1; }
.edu-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad); border-radius: var(--radius-lg) var(--radius-lg) 0 0; opacity: 0; transition: opacity 0.25s; }
.edu-card:hover::before { opacity: 1; }
.edu-period { font-size: 0.72rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; margin-bottom: 0.875rem; }
.edu-degree { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.35rem; color: var(--text); }
.edu-inst { font-size: 0.875rem; color: var(--text2); margin-bottom: 1rem; font-weight: 300; }
.edu-result { display: inline-flex; align-items: center; gap: 0.4rem; background: var(--accent-bg); border: 1px solid var(--accent-bdr); color: var(--accent); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.3rem 0.75rem; border-radius: 100px; }

/* ============================================================
   FILTER TABS — used by Projects, Activities, Certs
   ============================================================ */
.filter-tabs {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  margin-bottom: 2.5rem;
  background: var(--surface2); border: 1px solid var(--border);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border-radius: var(--radius-lg); padding: 0.375rem;
  width: fit-content;
}
.filter-tab {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: 'Outfit', sans-serif; font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.04em; color: var(--text3);
  background: transparent; border: none; cursor: pointer;
  padding: 0.5rem 1.125rem; border-radius: var(--radius);
  transition: background 0.2s var(--ease), color 0.2s, box-shadow 0.2s;
}
.filter-tab i { font-size: 0.75rem; }
.filter-tab.active {
  background: var(--grad); color: #fff;
  box-shadow: 0 2px 16px var(--accent-bdr);
}
.filter-tab:not(.active):hover { background: var(--accent-bg); color: var(--accent); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display: grid; grid-template-columns: repeat(3,1fr); grid-auto-rows: 1fr; gap: 1.5rem; grid-auto-flow: dense;
}
.project-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.project-card:first-of-type { grid-column: span 2; grid-row: span 2; }
.project-card:first-of-type .project-img-wrap { flex: 1; }
.project-card:first-of-type .project-img { height: 100%; min-height: 260px; }
.project-card.hidden { display: none; }
.project-card.fade-in { animation: cardFadeIn 0.4s var(--ease) both; }
@keyframes cardFadeIn { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: none; } }

.project-img-wrap { overflow: hidden; border-radius: var(--radius-lg) var(--radius-lg) 0 0; position: relative; }
.project-img { width: 100%; height: 200px; object-fit: cover; display: block; transition: transform 0.5s var(--ease); }
.project-card:hover .project-img { transform: scale(1.06); }

/* Image hover overlay */
.project-overlay {
  position: absolute; inset: 0;
  background: rgba(34,81,170,0.8);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s var(--ease);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-overlay-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: #fff; color: var(--navy);
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.625rem 1.25rem; border-radius: var(--radius);
  transform: translateY(8px); transition: transform 0.3s var(--ease);
}
.project-card:hover .project-overlay-btn { transform: translateY(0); }

.project-body { padding: 1.75rem; flex: 1; display: flex; flex-direction: column; }
.project-num { font-family: 'Cormorant Garamond', serif; font-size: 3rem; font-weight: 700; line-height: 1; color: rgb(66, 66, 66); margin-bottom: 0.75rem; user-select: none; }
.project-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.75rem; color: var(--text); line-height: 1.35; }
.project-desc { font-size: 0.875rem; color: var(--text2); flex: 1; margin-bottom: 1.25rem; font-weight: 300; line-height: 1.7; }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.25rem; }
.tag { background: var(--accent-bg); border: 1px solid var(--accent-bdr); color: var(--accent); font-size: 0.7rem; font-weight: 500; padding: 0.2rem 0.6rem; border-radius: 100px; letter-spacing: 0.04em; }
.project-link { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.78rem; font-weight: 600; color: var(--accent); letter-spacing: 0.06em; text-transform: uppercase; transition: gap 0.2s; }
.project-link:hover { gap: 0.75rem; }
.project-link i { font-size: 0.7rem; }

/* ============================================================
   SKILLS
   ============================================================ */
.skills-cols-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 3rem; align-items: start; }
.skills-heading { font-family: 'Cormorant Garamond', serif; font-size: 1.2rem; font-weight: 600; margin-bottom: 1.5rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 0.75rem; }
.skills-heading i { font-size: 0.95rem; color: var(--accent); }
.skill-chip-list { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.skill-chip { display: flex; align-items: center; gap: 0.5rem; background: var(--surface2); border: 1px solid var(--border); color: var(--text2); font-size: 0.82rem; font-weight: 400; padding: 0.45rem 1rem; border-radius: 100px; transition: border-color 0.2s, color 0.2s, transform 0.25s var(--ease-spring), background 0.2s; }
.skill-chip i { font-size: 0.75rem; color: var(--accent); }
.skill-chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); transform: translateY(-4px) rotate(-2deg); }

/* ============================================================
   LANGUAGES
   ============================================================ */
.lang-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.lang-block-title { font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 600; margin-bottom: 1.5rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 0.75rem; }
.lang-block-title i { font-size: 1rem; color: var(--accent); }
.lang-item { display: flex; align-items: center; justify-content: space-between; padding: 0.875rem 0; border-bottom: 1px solid var(--border); }
.lang-item:last-child { border-bottom: none; }
.lang-name { font-size: 0.925rem; font-weight: 500; color: var(--text); display: flex; align-items: center; gap: 0.75rem; }
.lang-flag { font-size: 1.2rem; }
.lang-level { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lang-note { font-size: 0.75rem; color: var(--text3); font-style: italic; }

/* ============================================================
   CAROUSEL — shared by Activities & Certs
   ============================================================ */
.carousel-section {
  position: relative;
  display: flex; align-items: center; gap: 1rem;
}
.carousel-viewport {
  flex: 1; overflow: hidden; border-radius: var(--radius-lg);
}
.carousel-track {
  display: flex; gap: 1.25rem;
  transition: transform 0.45s var(--ease);
}
.carousel-item {
  flex-shrink: 0;
  /* width set by JS */
}

/* Arrow buttons */
.carousel-arrow {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: var(--surface); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--border);
  color: var(--text2); font-size: 0.85rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
  box-shadow: var(--shadow-sm);
  z-index: 2;
}
.carousel-arrow:hover { background: var(--grad); border-color: transparent; color: #fff; transform: scale(1.08); }
.carousel-arrow:disabled { opacity: 0.3; cursor: not-allowed; transform: none; }

/* Dots */
.carousel-dots {
  display: flex; justify-content: center; gap: 0.5rem; margin-top: 1.5rem;
}
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--border2); border: none; cursor: pointer;
  transition: background 0.2s, transform 0.2s, width 0.2s;
  padding: 0;
}
.carousel-dot.active {
  background: var(--grad);
  width: 24px; border-radius: 4px; background: var(--accent);
}

/* ── TEACHING & MENTORSHIP EXPERIENCE — photo-led spotlight ── */
.mentor-spotlight {
  display: grid; grid-template-columns: 380px 1fr; gap: 3rem; align-items: center;
  margin-bottom: 3.5rem;
}
.mentor-spotlight-media { position: relative; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.mentor-media-blob {
  position: absolute; inset: 0; z-index: 0;
  background: var(--grad); border-radius: 42% 58% 63% 37% / 45% 40% 60% 55%;
  opacity: 0.16; filter: blur(2px);
  animation: blobMorph 10s ease-in-out infinite alternate;
}
@keyframes blobMorph {
  0%   { border-radius: 42% 58% 63% 37% / 45% 40% 60% 55%; }
  50%  { border-radius: 58% 42% 40% 60% / 55% 60% 40% 45%; }
  100% { border-radius: 46% 54% 55% 45% / 50% 45% 55% 50%; }
}
.mentor-media-img {
  position: relative; z-index: 1; width: 100%; max-width: 300px; height: 340px; object-fit: cover;
  border-radius: 46% 54% 60% 40% / 50% 45% 55% 50%;
  border: 4px solid var(--surface); box-shadow: var(--shadow-lg);
  transition: border-radius 0.6s var(--ease-spring), transform 0.4s var(--ease-spring);
}
.mentor-spotlight-media:hover .mentor-media-img { border-radius: var(--radius-xl); transform: scale(1.03) rotate(-1deg); }
.mentor-media-badge {
  position: absolute; z-index: 2; bottom: -0.5rem; right: -0.5rem;
  background: var(--surface); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 0.75rem 1.1rem; box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 0.7rem;
  animation: badgeFloat 4s ease-in-out infinite;
  transition: transform 0.3s var(--ease-spring);
}
.mentor-media-badge:hover { transform: scale(1.06) rotate(-2deg); }
.mentor-media-badge i { color: var(--accent); font-size: 1.1rem; }
.mmb-val { font-family: 'Cormorant Garamond', serif; font-size: 1.05rem; font-weight: 700; color: var(--text); line-height: 1; }
.mmb-lbl { font-size: 0.64rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 3px; max-width: 150px; }

.mentor-spotlight-content {
  background: var(--surface); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--border); border-radius: var(--radius-xl);
  padding: 2.25rem 2.5rem;
}
.mentor-role-block { padding: 0.25rem 0; }
.mentor-role-head { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.mentor-role-icon {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: var(--radius); background: var(--accent-bg);
  border: 1px solid var(--accent-bdr); display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 1rem; transition: transform 0.3s var(--ease-spring);
}
.mentor-role-block:hover .mentor-role-icon { transform: rotate(-10deg) scale(1.1); }
.mentor-role-title { font-family: 'Cormorant Garamond', serif; font-size: 1.25rem; font-weight: 600; color: var(--text); }
.mentor-role-org { font-size: 0.78rem; color: var(--accent); font-weight: 500; letter-spacing: 0.02em; }
.mentor-role-desc { font-size: 0.85rem; color: var(--text2); font-weight: 300; line-height: 1.7; margin-bottom: 1.1rem; }
.mentor-chip-label { font-size: 0.68rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.7rem; }
.mentor-chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.mentor-chip {
  background: var(--accent-bg); border: 1px solid var(--accent-bdr); color: var(--accent);
  font-size: 0.72rem; font-weight: 500; padding: 0.3rem 0.75rem; border-radius: 100px;
  letter-spacing: 0.02em; display: inline-block;
  transition: transform 0.25s var(--ease-spring), background 0.2s, color 0.2s;
}
.mentor-chip:hover { transform: translateY(-3px) rotate(-2deg); background: var(--accent); color: #fff; }
.mentor-divider { height: 1px; background: var(--border); margin: 1.5rem 0; }

/* ── ACTIVITY CARD (inside carousel) ── */
.activity-card { overflow: hidden; }
.activity-img-wrap { overflow: hidden; height: 180px; position: relative; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.activity-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--ease); }
.activity-card:hover .activity-img { transform: scale(1.05); }
.activity-date {
  position: absolute; bottom: 8px; right: 8px;
  padding: 3px 14px; border-radius: 20px;
  background: var(--grad); color: #fff;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  font-size: 11px; font-weight: 600; letter-spacing: 0.5px;
}
.activity-body { padding: 1.25rem; }
.activity-icon-row { display: flex; align-items: center; gap: 0.625rem; margin-bottom: 0.625rem; }
.activity-icon-box { width: 32px; height: 32px; border-radius: var(--radius); background: var(--accent-bg); border: 1px solid var(--accent-bdr); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.activity-icon-box i { font-size: 0.8rem; color: var(--accent); }
.activity-role { font-size: 1rem; font-weight: 600; color: var(--text); font-family: 'Cormorant Garamond', serif; }
.activity-org { font-size: 0.75rem; color: var(--accent); font-weight: 500; margin-bottom: 0.5rem; letter-spacing: 0.03em; }
.activity-desc { font-size: 0.8rem; color: var(--text2); line-height: 1.6; font-weight: 300; }

/* Hidden items when filtered */
.carousel-item.hidden { display: none; }

/* ── AWARDS ── */
.awards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; margin-top: 0; }
.award-item { display: flex; align-items: center; gap: 1rem; padding: 1.125rem 1.375rem; }
.award-icon-box { width: 38px; height: 38px; border-radius: var(--radius); flex-shrink: 0; background: var(--grad); display: flex; align-items: center; justify-content: center; }
.award-icon-box i { font-size: 0.85rem; color: #fff; }
.award-text { font-size: 0.875rem; font-weight: 400; color: var(--text); line-height: 1.4; }

/* ── CERT CARD (inside carousel) ── */
.cert-card { cursor: pointer; padding: 0; overflow: hidden; }
.cert-img-wrap { overflow: hidden; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.cert-card img { width: 100%; height: 130px; object-fit: cover; transition: transform 0.35s var(--ease); }
.cert-card:hover img { transform: scale(1.06); }
.cert-body { padding: 0.875rem 1rem; }
.cert-issuer { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 0.2rem; }
.cert-name { font-size: 0.8rem; color: var(--text2); font-weight: 300; }

/* ── LIGHTBOX ── */
.lightbox-overlay { display: none; position: fixed; inset: 0; z-index: 1000; background: rgba(0,0,0,0.9); align-items: center; justify-content: center; padding: 2rem; }
.lightbox-overlay.active { display: flex; }
.lightbox-img { max-width: 88vw; max-height: 88vh; object-fit: contain; border-radius: var(--radius-lg); box-shadow: 0 24px 80px rgba(0,0,0,0.6); }
.lightbox-close { position: fixed; top: 1.5rem; right: 1.5rem; z-index: 1001; width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); color: #fff; font-size: 1.25rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.2s; }
.lightbox-close:hover { background: rgba(255,255,255,0.2); }
.lightbox-caption { color: rgba(255,255,255,0.7); text-align: center; margin-top: 1rem; font-size: 0.85rem; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 5rem; align-items: start; }
.c-row { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.c-icon { width: 40px; height: 40px; flex-shrink: 0; border-radius: var(--radius); background: var(--accent-bg); border: 1px solid var(--accent-bdr); display: flex; align-items: center; justify-content: center; }
.c-icon i { font-size: 0.875rem; color: var(--accent); }
.c-label { font-size: 0.68rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 2px; }
.c-val { font-size: 0.9rem; color: var(--text2); }
.c-val a { color: var(--text2); transition: color 0.2s; }
.c-val a:hover { color: var(--accent); }
.social-row { display: flex; gap: 0.625rem; flex-wrap: wrap; }
.social-btn { display: flex; align-items: center; gap: 0.5rem; background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.5rem 1rem; font-size: 0.78rem; font-weight: 500; color: var(--text2); transition: border-color 0.2s, color 0.2s, background 0.2s; }
.social-btn i { font-size: 0.85rem; }
.social-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.7rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 500; }
.form-group input, .form-group textarea { background: var(--surface); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-family: 'Outfit', sans-serif; font-size: 0.9rem; padding: 0.8rem 1rem; outline: none; resize: vertical; transition: border-color 0.2s; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text3); }
.form-group textarea { min-height: 120px; }

/* ============================================================
   FOOTER — REDESIGNED
   ============================================================ */
footer {
  background: var(--surface);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border-top: 1px solid var(--border);
  position: relative; overflow: hidden;
  margin-top: 2rem;
}
.footer-inner { max-width: 1100px; margin: 0 auto; }

/* Hero strip */
.footer-hero-strip {
  display: flex; align-items: center; justify-content: space-between;
  padding: 3rem 4rem 2rem;
  border-bottom: 1px solid var(--border);
  gap: 2rem; flex-wrap: wrap;
}
.footer-hero-left { display: flex; align-items: center; gap: 1.5rem; }
#nav-logo-footer img { height: 3rem; width: auto; }
.footer-tagline { font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; font-style: italic; color: var(--text3); }
.footer-social { display: flex; gap: 0.5rem; }
.footer-social a { width: 38px; height: 38px; border-radius: var(--radius); background: var(--bg2); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text3); font-size: 0.85rem; transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.2s; }
.footer-social a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); transform: translateY(-2px); }

/* Nav strip */
.footer-nav-strip {
  display: grid; grid-template-columns: 1fr 1fr 1fr 1.5fr;
  gap: 2rem; padding: 2.5rem 4rem;
}
.footer-col h4 { font-family: 'Outfit', sans-serif; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text3); margin-bottom: 1.25rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col ul a { font-size: 0.875rem; color: var(--text2); transition: color 0.2s; display: flex; align-items: center; gap: 0.4rem; }
.footer-col ul a i { font-size: 0.7rem; opacity: 0; transition: opacity 0.2s, transform 0.2s; transform: translateX(-4px); }
.footer-col ul a:hover { color: var(--accent); }
.footer-col ul a:hover i { opacity: 1; transform: translateX(0); }

.footer-col-quote { }
.footer-quote { font-family: 'Cormorant Garamond', serif; font-size: 1rem; font-style: italic; color: var(--text3); border-left: 2px solid var(--accent); padding-left: 1rem; line-height: 1.7; }

/* Bottom bar */
.footer-bottom-bar {
  border-top: 1px solid var(--border);
  padding: 1.5rem 4rem;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom-bar p { font-size: 0.78rem; color: var(--text3); }
.footer-bottom-bar .grad-text { font-weight: 500; }

/* Deco */
.footer-deco { position: absolute; right: -80px; bottom: -80px; width: 280px; height: 280px; border-radius: 50%; border: 1px solid var(--border); pointer-events: none; opacity: 0.5; }
.footer-deco2 { position: absolute; right: -40px; bottom: -40px; width: 160px; height: 160px; border-radius: 50%; background: var(--grad); opacity: 0.05; pointer-events: none; }

/* ============================================================
   SECTION DIVIDER
   ============================================================ */
.sec-divider { display: flex; align-items: center; gap: 1rem; margin: 4rem 0 3rem; }
.sec-divider::before, .sec-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.sec-divider span { font-size: 0.7rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.12em; white-space: nowrap; display: flex; align-items: center; gap: 0.5rem; }
.sec-divider span i { font-size: 0.75rem; color: var(--accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-bento { grid-template-columns: 1fr 260px; }
  .hero-text-tile { padding: 2.5rem; }
}

@media (max-width: 900px) {
  .brand-badge { top: 1rem; left: 1rem; width: 44px; height: 44px; }
  .brand-badge img { width: 22px; }
  #navbar {
    top: auto; bottom: 1rem; left: 50%; right: auto; transform: translateX(-50%);
    flex-direction: row; width: min(94%, 640px);
    padding: 0.5rem 0.6rem; overflow-x: auto;
  }
  .nav-links { flex-direction: row; }
  .nav-links a::after, .theme-toggle::after { display: none; }
  .nav-dock-divider { width: 1px; height: 22px; margin: 0 0.15rem; }

  .hero-bento { grid-template-columns: 1fr; }
  .hero-text-tile { grid-column: 1; grid-row: 1; text-align: center; padding: 2.25rem 1.75rem; }
  .hero-photo-tile { grid-column: 1; grid-row: 2; min-height: 320px; }
  .hero-photo-tile img { min-height: 320px; }
  .hero-stats-row { grid-column: 1; grid-row: 3; }
  .fb-tl, .fb-br { display: none; }
  .hero-btns { justify-content: center; }
  .hero-quote { margin: 0 auto 2rem; }
  .hero-badge-pill { justify-content: center; }
  .hero-typewriter { justify-content: center; }
  .hero-scroll-hint { display: none; }

  .container { padding: 0 1.5rem; }
  .section-pad { padding: 4.5rem 0; }

  .about-grid, .skills-cols-grid, .lang-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-meta { grid-template-columns: 1fr 1fr; }
  .edu-grid, .projects-grid { grid-template-columns: 1fr; }
  .edu-track { left: 22px; }
  .edu-dot { width: 44px; height: 44px; font-size: 0.95rem; }
  .edu-node { gap: 1rem; padding: 1.1rem 1.25rem; }
  .project-card:first-of-type { grid-column: span 1; grid-row: span 1; }
  .research-spotlight { flex-direction: column; padding: 2rem; }
  .cta-banner { padding: 1.75rem; text-align: center; justify-content: center; }
  .cta-banner-text { text-align: center; }
  .mentor-spotlight { grid-template-columns: 1fr; }
  .mentor-spotlight-content { padding: 1.75rem; }

  .footer-hero-strip, .footer-bottom-bar { padding: 2rem 1.5rem; flex-direction: column; text-align: center; }
  .footer-hero-left { flex-direction: column; }
  .footer-nav-strip { grid-template-columns: 1fr 1fr; padding: 2rem 1.5rem; }
}

@media (max-width: 600px) {
  .footer-nav-strip { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats-row { flex-direction: column; }
  .filter-tabs { width: 100%; justify-content: flex-start; overflow-x: auto; }
}