/* IIVST · Indian Institute of Vedic Science & Technology
   Visual world: a soft daylight institute under a dusk sky. Pale mist ground, white cards,
   one gold accent (deep gold for text, soft gold for fills), a dusk-indigo hero, enrol band and
   footer. Display serif Cormorant Garamond, body Manrope, Devanagari in Tiro Devanagari Sanskrit.
   Shape rule: panels and buttons share one 12px radius; chips are pills. */

:root {
  --bg: #f6f8fc;
  --bg-2: #ecf1f9;
  --surface: #ffffff;
  --surface-2: #f1f4fb;
  --dusk: #2a3668;
  --dusk-2: #38497f;
  --dusk-3: #4a6498;
  --line: rgba(160, 118, 22, 0.3);
  --line-soft: rgba(42, 54, 104, 0.12);
  --text: #1f2a4a;
  --muted: #566383;
  --gold: #c9a13f;
  --gold-btn: #e8c670;
  --gold-btn-hi: #f1d68c;
  --gold-2: #86610f;
  --gold-hi: #f0d48a;
  --gold-ink: #2a1f06;
  --teal: #2b8ea2;
  --ghost-line: rgba(42, 54, 104, 0.3);
  --ghost-bg: rgba(255, 255, 255, 0.65);
  --shadow: 0 24px 50px -34px rgba(42, 54, 104, 0.55);
  --r: 12px;
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --dev: "Tiro Devanagari Sanskrit", "Noto Sans Devanagari", serif;
  --wrap: 1320px;
  --gutter: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --nav-h: 76px;
  color-scheme: light;
}

/* dusk zones: the same tokens, re-pointed for light text on indigo */
.hero, .enrol, .footer, .nav:not(.is-solid), .lab-art-sky, .lab-art-code, .profile-media {
  --text: #f3f5fc;
  --muted: #c9d2ea;
  --gold-2: var(--gold-hi);
  --line: rgba(240, 212, 138, 0.32);
  --line-soft: rgba(243, 245, 252, 0.16);
  --ghost-line: rgba(243, 245, 252, 0.45);
  --ghost-bg: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--gold-2); outline-offset: 3px; }
::selection { background: rgba(201, 161, 63, 0.35); }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 14px; background: var(--gold-btn); color: var(--gold-ink); border-radius: var(--r); }
.skip:focus { top: 12px; }

.wrap { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin-inline: auto; }
.dev { font-family: var(--dev); font-weight: 400; }

/* ---------- type ---------- */
.display {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.25rem, 1.2rem + 3.6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-wrap: balance;
  color: var(--text);
}
.display em { font-style: italic; color: var(--gold-2); }
.lede { font-size: clamp(1.1rem, 1rem + 0.45vw, 1.35rem); line-height: 1.55; color: var(--muted); max-width: 62ch; text-wrap: pretty; }
.kicker {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-2);
  margin: 0 0 1.5rem;
}
.kicker .dev { font-size: 1.15rem; letter-spacing: 0; text-transform: none; color: var(--gold-2); }
.kicker-sep { width: 28px; height: 1px; background: var(--gold); opacity: 0.8; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 26px; border-radius: var(--r);
  font-weight: 700; font-size: 0.95rem; letter-spacing: 0.01em; white-space: nowrap;
  transition: transform 0.35s var(--ease), background-color 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.35s;
  border: 1px solid transparent;
}
.btn:active { transform: translateY(1px) scale(0.985); }
.btn-gold { background: var(--gold-btn); color: var(--gold-ink); border-color: var(--gold-btn); box-shadow: 0 12px 28px -16px rgba(160, 118, 22, 0.7); }
.btn-gold:hover { background: var(--gold-btn-hi); border-color: var(--gold-btn-hi); transform: translateY(-2px); box-shadow: 0 18px 34px -16px rgba(160, 118, 22, 0.75); }
.btn-ghost { color: var(--text); border-color: var(--ghost-line); background: var(--ghost-bg); }
.btn-ghost:hover { border-color: var(--gold-2); color: var(--gold-2); transform: translateY(-2px); }
.btn-block { width: 100%; }
.link-btn { color: var(--gold-2); font-weight: 700; font-size: 0.95rem; position: relative; padding-bottom: 2px; }
.link-btn::after, .link-ext::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; transform: scaleX(0.35); transform-origin: left; transition: transform 0.4s var(--ease); }
.link-btn:hover::after, .link-ext:hover::after { transform: scaleX(1); }
.link-ext { color: var(--text); font-weight: 600; font-size: 0.95rem; position: relative; padding-bottom: 2px; }
.link-ext::before { content: "↗"; margin-right: 6px; color: var(--gold-2); font-size: 0.85em; }

/* ---------- badges: all gold, status by stroke ---------- */
.badge {
  display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px; line-height: 1; margin-bottom: 14px;
  border: 1px solid var(--gold-2); color: var(--gold-2);
}
.badge-live { background: var(--gold-btn); color: var(--gold-ink); border-color: var(--gold-btn); }
.badge-build { background: transparent; }
.badge-plan { background: transparent; border-style: dashed; }
.course-body .badge, .lab-body .badge { align-self: flex-start; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; }
.chips li { font-size: 0.78rem; font-weight: 700; padding: 5px 12px; border-radius: 999px; background: rgba(201, 161, 63, 0.16); color: var(--gold-2); }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--nav-h);
  display: flex; align-items: center; gap: 24px;
  padding: 0 var(--gutter);
  transition: background-color 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.is-solid { background: rgba(246, 248, 252, 0.88); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom-color: var(--line-soft); }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand img { width: 44px; height: 44px; border-radius: 50%; box-shadow: 0 0 0 1px rgba(201, 161, 63, 0.5), 0 8px 24px -8px rgba(42, 54, 104, 0.45); }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-short { font-family: var(--serif); font-weight: 600; font-size: 1.35rem; letter-spacing: 0.08em; }
.brand-long { font-size: 0.68rem; color: var(--muted); letter-spacing: 0.04em; }
.nav-links { display: flex; gap: 24px; font-size: 0.92rem; font-weight: 600; color: var(--muted); }
.nav-links a { position: relative; padding: 6px 0; transition: color 0.3s; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%; background: var(--gold-2); transform: scaleX(0); transform-origin: right; transition: transform 0.4s var(--ease); }
.nav-links a:hover, .nav-links a.is-active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav-links .nav-ext::after { content: " ↗"; position: static; display: inline; background: none; transform: none; font-size: 0.8em; color: var(--gold-2); }
.nav-cta { min-height: 42px; padding: 0 18px; font-size: 0.88rem; }
.menu-btn { display: none; width: 44px; height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 6px; }
.menu-btn span { display: block; width: 24px; height: 1.5px; background: var(--text); transition: transform 0.3s; }

.mobile-menu { border: 0; padding: 0; background: var(--bg); color: var(--text); width: 100vw; height: 100dvh; max-width: none; max-height: none; inset: 0; }
.mobile-menu::backdrop { background: rgba(31, 42, 74, 0.5); }
.mobile-menu nav { display: flex; flex-direction: column; gap: 6px; padding: 110px var(--gutter) 30px; }
.mobile-menu nav a { font-family: var(--serif); font-size: 2.1rem; line-height: 1.2; padding: 6px 0; border-bottom: 1px solid var(--line-soft); }
.mobile-menu .btn { margin: 10px var(--gutter) 0; }
.mobile-menu .motto-dev { position: absolute; left: var(--gutter); bottom: 30px; }
.motto-dev { font-family: var(--dev); color: var(--gold-2); font-size: 1.35rem; margin: 0; }

/* ---------- dialogs ---------- */
dialog { color: var(--text); }
.dialog-close {
  position: absolute; top: 14px; right: 14px; z-index: 2; width: 44px; height: 44px; border-radius: var(--r);
  font-size: 1.8rem; line-height: 1; background: rgba(255, 255, 255, 0.9); color: var(--text); border: 1px solid var(--line-soft);
  transition: background-color 0.3s, color 0.3s;
}
.dialog-close:hover { background: var(--gold-btn); color: var(--gold-ink); }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100dvh; display: grid; align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 90px; overflow: hidden; isolation: isolate;
  background:
    radial-gradient(60% 70% at 78% 38%, rgba(120, 178, 214, 0.32), transparent 70%),
    linear-gradient(165deg, var(--dusk) 0%, var(--dusk-2) 58%, var(--dusk-3) 100%);
}
.hero-scene { position: absolute; inset: 0; z-index: -1; }
.hero-scene canvas { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; display: block; }
/* the globe sits in this box; scene.js reads its centre and size, so halo, globe and mantra ring stay concentric */
.globe-stage {
  --g: min(50vw, 82vh, 700px);
  position: absolute; width: var(--g); height: var(--g);
  right: max(2vw, calc((100vw - var(--wrap)) / 2 - 40px)); top: calc(50% + 24px - var(--g) / 2);
}
.globe-halo {
  position: absolute; inset: -14%; z-index: 0; border-radius: 50%;
  background:
    radial-gradient(closest-side, rgba(18, 28, 76, 0.5) 0%, rgba(40, 60, 125, 0.3) 46%, rgba(255, 210, 120, 0.55) 53%, rgba(250, 195, 95, 0.3) 66%, rgba(120, 190, 230, 0.1) 85%, transparent 100%);
  opacity: var(--fade, 1); filter: blur(14px); animation: halo-pulse 6s ease-in-out infinite;
}
.globe-ring { position: absolute; inset: 0; z-index: 2; opacity: var(--fade, 1); width: 100%; height: 100%; overflow: visible; filter: drop-shadow(0 0 7px rgba(255, 214, 120, 0.85)) drop-shadow(0 0 18px rgba(255, 190, 80, 0.45)); }
.ring-line { fill: none; stroke: rgba(255, 220, 140, 0.4); stroke-width: 1; }
.ring-spin { transform-origin: 300px 300px; animation: ring-turn 140s linear infinite; }
.ring-text { font-family: "Tiro Devanagari Sanskrit", var(--serif); font-size: 36px; fill: #ffe2a0; letter-spacing: 0; }
@keyframes ring-turn { to { transform: rotate(360deg); } }
@keyframes halo-pulse { 0%, 100% { transform: scale(0.96); } 50% { transform: scale(1.05); } }
@media (prefers-reduced-motion: reduce) { .ring-spin, .globe-halo { animation: none; } }
@media (max-width: 860px) {
  .globe-stage { --g: min(96vw, 520px); right: auto; left: calc(50% - var(--g) / 2); top: auto; bottom: -4vh; opacity: 1; }
  .globe-halo, .globe-ring { opacity: calc(var(--fade, 1) * 0.42); }
  .hero-scene canvas { opacity: 0.6; }
}
.hero-fallback { display: none; position: absolute; inset: 0; align-items: center; justify-content: center; }
.hero-fallback img { width: min(60vw, 520px); height: auto; opacity: 0.35; filter: blur(0.5px); }
.hero.no-webgl .hero-fallback { display: flex; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(90deg, rgba(34, 44, 90, 0.55) 0%, rgba(34, 44, 90, 0.2) 45%, rgba(34, 44, 90, 0) 70%),
              linear-gradient(180deg, rgba(246, 248, 252, 0) 88%, var(--bg) 100%);
}
.hero-inner { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin-inline: auto; max-width: 100%; }
.hero-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.9rem, 1.4rem + 6vw, 7rem); line-height: 0.98; letter-spacing: -0.02em;
  max-width: 11ch; text-wrap: balance; margin: 0 0 1.4rem;
}
.hero-title em { font-style: italic; color: var(--gold-2); padding-bottom: 0.06em; }
.hero-sub { font-size: clamp(1.1rem, 1rem + 0.5vw, 1.4rem); color: var(--muted); max-width: 44ch; margin: 0 0 2.2rem; text-wrap: pretty; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 2.2rem; }
.hero-pills li { font-size: 0.82rem; font-weight: 600; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line-soft); background: rgba(255, 255, 255, 0.08); color: var(--text); }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: var(--bg-2); padding: 18px 0; }
.marquee-track { display: flex; gap: 34px; width: max-content; white-space: nowrap; font-family: var(--serif); font-size: 1.5rem; color: var(--muted); will-change: transform; }
.marquee-track span { flex: none; }
.marquee-track .danda { color: var(--gold-2); font-family: var(--dev); }

/* ---------- sections ---------- */
section { padding: clamp(80px, 10vw, 150px) 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 110px); align-items: start; }
.section-head { max-width: 900px; margin-bottom: clamp(48px, 6vw, 90px); }
.section-head .lede { margin-top: 1.2rem; }

/* ---------- courses ---------- */
.courses { background: var(--bg); }
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.course { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow); transition: transform 0.5s var(--ease), box-shadow 0.5s; }
.course:hover { transform: translateY(-4px); box-shadow: 0 30px 56px -34px rgba(42, 54, 104, 0.6); }
.course-art { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-2); }
.course-art img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.course:hover .course-art img { transform: scale(1.04); }
.course-body { display: flex; flex-direction: column; flex: 1; padding: clamp(24px, 2.4vw, 34px); }
.course-body h3 { font-family: var(--serif); font-size: clamp(1.7rem, 1.4rem + 0.8vw, 2.2rem); line-height: 1.08; margin-bottom: 10px; }
.course-body h3 .dev { font-size: 0.7em; color: var(--gold-2); margin-left: 8px; }
.course-body p { color: var(--muted); font-size: 0.98rem; }
.course-cta { margin-top: auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; padding-top: 6px; }
.course-cta .btn { flex: 1 1 auto; }

.enrol-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: clamp(40px, 5vw, 70px); counter-reset: step; }
.enrol-steps li { counter-increment: step; display: flex; flex-direction: column; gap: 4px; padding-top: 16px; border-top: 1px solid var(--line); }
.enrol-steps li::before { content: counter(step, decimal-leading-zero); font-family: var(--serif); font-size: 2.2rem; line-height: 1; color: var(--gold-2); }
.enrol-steps strong { font-family: var(--serif); font-size: 1.5rem; font-weight: 500; }
.enrol-steps span { font-size: 0.92rem; color: var(--muted); }

/* ---------- institute ---------- */
.institute { background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%); }
.institute-lead { position: sticky; top: calc(var(--nav-h) + 30px); }
.institute-lead .lede { margin-top: 1.4rem; }
.institute-body p { color: var(--muted); max-width: 62ch; }
.institute-body a { color: var(--gold-2); border-bottom: 1px solid rgba(134, 97, 15, 0.4); }
.principles { margin: 2.5rem 0 0; border-top: 1px solid var(--line); }
.principles div { padding: 22px 0; border-bottom: 1px solid var(--line-soft); display: grid; grid-template-columns: minmax(180px, 0.9fr) 1.6fr; gap: 24px; }
.principles dt { font-family: var(--serif); font-size: 1.5rem; line-height: 1.15; color: var(--gold-2); }
.principles dd { margin: 0; color: var(--muted); font-size: 0.98rem; }
.facts { display: flex; flex-wrap: wrap; gap: 36px; margin-top: 2.6rem; }
.facts li { display: flex; flex-direction: column; gap: 2px; }
.facts strong { font-family: var(--serif); font-size: 2.6rem; line-height: 1; color: var(--text); font-weight: 500; }
.facts span { font-size: 0.85rem; color: var(--muted); }

/* ---------- initiatives ---------- */
.initiatives { padding-bottom: 0; }
.constellation-head { display: flex; align-items: baseline; gap: 22px; flex-wrap: wrap; margin: 0 0 30px; padding-top: 22px; border-top: 1px solid var(--line); }
.constellation-head h3 { font-family: var(--serif); font-size: clamp(1.8rem, 1.3rem + 1.5vw, 2.6rem); font-weight: 500; }
.constellation-head p { color: var(--muted); margin: 0; }
.bento + .constellation-head { margin-top: clamp(50px, 6vw, 90px); }

.bento { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 360px; gap: 16px; }
.tile { position: relative; overflow: hidden; border-radius: var(--r); background: var(--bg-2); grid-column: span 5; cursor: pointer; isolation: isolate; border: 1px solid var(--line-soft); box-shadow: var(--shadow); }
.tile-xl { grid-column: span 7; grid-row: span 2; }
.tile-half { grid-column: span 6; }
.tile img, .panel img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -1; transition: transform 1.2s var(--ease); }
.tile:hover img, .tile:focus-visible img, .panel:hover img, .panel:focus-visible img { transform: scale(1.045); }
.tile-body, .panel-body {
  position: absolute; inset: auto 12px 12px 12px; z-index: 1; padding: 22px 24px;
  background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-radius: var(--r); box-shadow: 0 14px 34px -20px rgba(42, 54, 104, 0.5);
}
.tile-xl .tile-body { inset: auto auto 16px 16px; padding: 30px; max-width: 540px; }
.tile h4, .panel h4, .lab h4 { font-family: var(--serif); font-size: clamp(1.6rem, 1.3rem + 0.8vw, 2.3rem); line-height: 1.05; margin-bottom: 10px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; }
.tile h4 .dev, .panel h4 .dev { font-size: 0.72em; color: var(--gold-2); }
.tile p, .panel p { color: var(--muted); font-size: 0.98rem; margin-bottom: 14px; max-width: 46ch; }
.tile:not(.tile-xl) p { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.tile-xl .tile-body p { font-size: 1.05rem; }
.tile-links { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }

/* ---------- experiences pan ---------- */
.pan { margin-top: clamp(60px, 8vw, 110px); background: var(--bg-2); border-top: 1px solid var(--line-soft); }
.pan-pin { min-height: 100dvh; display: flex; flex-direction: column; justify-content: center; padding: calc(var(--nav-h) + 10px) 0 40px; overflow: hidden; }
.pan-head { border-top: 0; padding-top: 0; margin-inline: auto; }
.pan-track { display: flex; gap: 18px; padding-left: max(var(--gutter), (100vw - var(--wrap)) / 2); will-change: transform; }
.panel { position: relative; flex: none; width: min(62vw, 760px); aspect-ratio: 16 / 10; max-height: 62vh; border-radius: var(--r); overflow: hidden; background: var(--surface); cursor: pointer; isolation: isolate; border: 1px solid var(--line-soft); box-shadow: var(--shadow); }
.panel:last-child { margin-right: var(--gutter); }

/* ---------- labs sticky stack ---------- */
.practical { background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%); padding-bottom: clamp(60px, 8vw, 120px); }
.labs { padding: clamp(60px, 8vw, 110px) 0 clamp(60px, 8vw, 120px); }
.stack { display: grid; gap: 22px; }
.lab {
  position: sticky; top: calc(var(--nav-h) + 20px + var(--i) * 14px);
  display: grid; grid-template-columns: 1.1fr 1fr; min-height: 420px; border-radius: var(--r); overflow: hidden;
  background: var(--surface); border: 1px solid var(--line-soft); cursor: pointer;
  box-shadow: 0 -14px 40px -30px rgba(42, 54, 104, 0.5), var(--shadow);
  transform-origin: top center;
}
.lab:nth-child(even) { grid-template-columns: 1fr 1.1fr; }
.lab:nth-child(even) .lab-art { order: 2; }
.lab-art { position: relative; min-height: 260px; overflow: hidden; display: grid; place-items: center; isolation: isolate; }
.lab-art img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -1; }
.lab-art .dev { font-size: clamp(4rem, 8vw, 8rem); color: var(--gold-2); opacity: 0.95; line-height: 1; text-shadow: 0 0 60px rgba(201, 161, 63, 0.35); }
.lab-art-sky { background: radial-gradient(70% 70% at 60% 40%, rgba(120, 178, 214, 0.42), transparent 70%), radial-gradient(1px 1px at 20% 30%, #fff 50%, transparent 51%), radial-gradient(1px 1px at 70% 70%, #fff 50%, transparent 51%), radial-gradient(1.5px 1.5px at 40% 80%, #fff 50%, transparent 51%), radial-gradient(1px 1px at 85% 20%, #fff 50%, transparent 51%), linear-gradient(160deg, var(--dusk), var(--dusk-2)); }
.lab-art-grid { background-color: #e4edf9; background-image: linear-gradient(rgba(134, 97, 15, 0.16) 1px, transparent 1px), linear-gradient(90deg, rgba(134, 97, 15, 0.16) 1px, transparent 1px); background-size: 36px 36px; background-position: center; }
.lab-art-grid .dev { text-shadow: none; }
.lab-art-vastu { background: radial-gradient(70% 70% at 40% 40%, rgba(255, 255, 255, 0.7), transparent 70%), linear-gradient(135deg, #f3ead2, #e1ecf5); }
.lab-art-vastu .dev { text-shadow: none; }
.lab-art-code { background: linear-gradient(135deg, var(--dusk-2), var(--dusk)); }
.lab-art-code::before { content: "॥ 1 0 1 1 0 1 ॥  ॥ 0 1 1 0 1 0 ॥  ॥ 1 1 0 1 0 1 ॥"; position: absolute; inset: 0; z-index: -1; font-family: var(--dev); color: rgba(240, 212, 138, 0.2); font-size: 1.2rem; line-height: 2.4; padding: 20px; word-break: break-all; }
.lab-body { padding: clamp(28px, 3.5vw, 52px); display: flex; flex-direction: column; justify-content: center; }
.lab p { color: var(--muted); max-width: 48ch; margin-bottom: 18px; }
.lab-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; }

/* ---------- support ---------- */
.support { background: linear-gradient(180deg, var(--bg), var(--bg-2)); border-top: 1px solid var(--line-soft); }
.path-wrap { position: relative; margin: 0 0 clamp(50px, 6vw, 90px); }
.path-svg { width: 100%; height: clamp(150px, 20vw, 260px); display: block; }
.path-base { fill: none; stroke: var(--line-soft); stroke-width: 1.5; }
.path-draw { fill: none; stroke: var(--gold); stroke-width: 2; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 1; filter: drop-shadow(0 0 5px rgba(201, 161, 63, 0.5)); }
.path-stops { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 10px; }
.path-stops li { display: flex; flex-direction: column; gap: 4px; padding-top: 14px; border-top: 1px solid var(--line); }
.path-stops strong { font-family: var(--serif); font-size: 1.5rem; font-weight: 500; color: var(--gold-2); }
.path-stops span { font-size: 0.88rem; color: var(--muted); }

.offers { display: grid; grid-template-columns: 1fr 1.35fr 1fr; gap: 18px; align-items: start; }
.offer { padding: clamp(26px, 3vw, 40px); border: 1px solid var(--line-soft); border-radius: var(--r); background: rgba(255, 255, 255, 0.7); }
.offer-tech { background: var(--surface); border-color: var(--line); margin-top: -28px; box-shadow: var(--shadow); }
.offer h3 { font-family: var(--serif); font-size: 1.9rem; font-weight: 500; margin-bottom: 12px; }
.offer p { color: var(--muted); font-size: 0.98rem; }
.offer ul { margin-top: 18px; border-top: 1px solid var(--line-soft); }
.offer li { padding: 10px 0; border-bottom: 1px solid var(--line-soft); font-size: 0.95rem; padding-left: 18px; position: relative; }
.offer li::before { content: "॰"; position: absolute; left: 0; top: 9px; color: var(--gold-2); font-family: var(--dev); }
.support-cta { margin-top: clamp(40px, 5vw, 70px); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding-top: 30px; border-top: 1px solid var(--line); }
.support-cta p { margin: 0; font-family: var(--serif); font-size: 1.6rem; max-width: 34ch; line-height: 1.25; }

/* ---------- programs ---------- */
.program-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.program { display: flex; flex-direction: column; align-items: flex-start; padding: clamp(28px, 3.5vw, 48px); border: 1px solid var(--line-soft); border-radius: var(--r); background: linear-gradient(135deg, rgba(43, 142, 162, 0.1), rgba(255, 255, 255, 0.8) 60%); transition: background-color 0.4s, box-shadow 0.4s; }
.program:nth-child(2) { background: linear-gradient(225deg, rgba(201, 161, 63, 0.16), rgba(255, 255, 255, 0.8) 60%); }
.program:nth-child(3) { background: linear-gradient(45deg, rgba(201, 161, 63, 0.16), rgba(255, 255, 255, 0.8) 60%); }
.program:nth-child(4) { background: linear-gradient(315deg, rgba(43, 142, 162, 0.1), rgba(255, 255, 255, 0.8) 60%); }
.program:hover { box-shadow: var(--shadow); }
.program h3 { font-family: var(--serif); font-size: clamp(1.7rem, 1.3rem + 1vw, 2.4rem); margin-bottom: 10px; }
.program p { color: var(--muted); margin: 0 0 18px; max-width: 46ch; }
.program .link-btn { margin-top: auto; }

/* ---------- enrol band ---------- */
.enrol { padding: clamp(60px, 8vw, 110px) 0; background: radial-gradient(60% 90% at 85% 20%, rgba(120, 178, 214, 0.3), transparent 70%), linear-gradient(160deg, var(--dusk), var(--dusk-2)); }
.enrol-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(30px, 6vw, 90px); align-items: center; }
.enrol .lede { margin-top: 1.1rem; }
.enrol-actions { display: flex; flex-direction: column; gap: 14px; }

/* ---------- partner ---------- */
.partner { background: var(--bg-2); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.partner-inner { display: grid; grid-template-columns: auto 1fr; gap: clamp(30px, 6vw, 90px); align-items: center; }
.partner-marks { display: flex; align-items: center; gap: 22px; }
.partner-marks img { width: 96px; height: 96px; border-radius: 50%; box-shadow: 0 0 0 1px rgba(201, 161, 63, 0.5), 0 10px 40px -10px rgba(42, 54, 104, 0.5); }
.partner-x { font-family: var(--serif); font-size: 2.4rem; color: var(--gold-2); }
.partner-word { font-family: var(--serif); font-size: 1.7rem; line-height: 1.05; letter-spacing: 0.02em; }
.partner p { color: var(--muted); max-width: 60ch; margin: 1rem 0 1.2rem; }

/* ---------- join ---------- */
.join-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }
.join-card { padding: clamp(28px, 3.5vw, 48px); border-radius: var(--r); border: 1px solid var(--line-soft); background: var(--surface); box-shadow: var(--shadow); }
.join-member { background: linear-gradient(160deg, rgba(201, 161, 63, 0.2), var(--surface) 62%); }
.join-card h2 { font-family: var(--serif); font-size: clamp(1.9rem, 1.4rem + 1.4vw, 2.8rem); margin-bottom: 10px; }
.join-card p { color: var(--muted); max-width: 52ch; }
.inline-form { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.inline-form input { flex: 1 1 240px; }

/* ---------- forms ---------- */
input, select, textarea {
  width: 100%; font: inherit; color: var(--text); background: #fff;
  border: 1px solid rgba(42, 54, 104, 0.24); border-radius: var(--r); padding: 13px 14px; min-height: 50px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
textarea { resize: vertical; min-height: 140px; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--gold-2) 50%), linear-gradient(135deg, var(--gold-2) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
input::placeholder, textarea::placeholder { color: #75819f; }
input:focus, select:focus, textarea:focus { outline: 0; border-color: var(--gold-2); box-shadow: 0 0 0 3px rgba(201, 161, 63, 0.25); }
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: #c4452d; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.04em; color: var(--muted); }
.field .opt { font-weight: 400; opacity: 0.8; margin-left: 6px; }
.form-error { color: #b0341d; font-size: 0.92rem; margin: -6px 0 14px; }
.form-note { color: var(--muted); font-size: 0.85rem; margin: 14px 0 0; }
.contact-form { padding: clamp(26px, 3vw, 40px); border: 1px solid var(--line-soft); border-radius: var(--r); background: var(--surface); box-shadow: var(--shadow); }
.contact-form .btn { width: 100%; }
.contact-form.is-sending .btn { opacity: 0.6; pointer-events: none; }
.contact-details { font-style: normal; display: flex; flex-direction: column; gap: 10px; margin-top: 2rem; font-size: 1.15rem; }
.contact-details a { color: var(--gold-2); width: fit-content; border-bottom: 1px solid rgba(134, 97, 15, 0.35); }
.contact-details span { color: var(--muted); }
.contact-lead { position: sticky; top: calc(var(--nav-h) + 30px); }
.contact-lead .lede { margin-top: 1.2rem; }

/* ---------- footer ---------- */
.footer { background: #232e58; border-top: 1px solid var(--line-soft); padding: clamp(50px, 6vw, 90px) 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand img { border-radius: 50%; margin-bottom: 16px; }
.footer-motto { color: var(--muted); font-size: 0.95rem; }
.footer-col { display: flex; flex-direction: column; gap: 10px; font-size: 0.95rem; color: var(--muted); }
.footer-col h3 { font-family: var(--sans); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-hi); margin-bottom: 6px; }
.footer-col a, .footer-col .link-btn { color: var(--muted); font-weight: 500; width: fit-content; transition: color 0.3s; }
.footer-col a:hover, .footer-col .link-btn:hover { color: var(--text); }
.footer-col .link-btn::after { display: none; }
.footer-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 50px; padding-top: 22px; border-top: 1px solid var(--line-soft); color: var(--muted); font-size: 0.85rem; }
.footer-base p { margin: 0; }
.credit a { color: var(--gold-hi); }

/* ---------- profile dialog ---------- */
.profile {
  width: min(1040px, 100vw - 32px); max-height: min(88dvh, 900px); padding: 0; border: 1px solid var(--line-soft);
  border-radius: var(--r); background: var(--surface); overflow: hidden;
  display: grid; grid-template-columns: 0.9fr 1.1fr;
  box-shadow: 0 40px 100px -40px rgba(31, 42, 74, 0.7);
}
.profile:not([open]) { display: none; }
.profile::backdrop, .legal::backdrop { background: rgba(31, 42, 74, 0.55); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.profile-media { position: relative; min-height: 320px; background: var(--bg-2); }
.profile-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.profile-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 70%, var(--surface) 100%); }
.profile-media[data-dev]:not([data-dev=""])::before { content: attr(data-dev); position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--dev); font-size: clamp(5rem, 12vw, 9rem); color: var(--gold-hi); text-shadow: 0 0 60px rgba(240, 212, 138, 0.35); background: radial-gradient(70% 70% at 50% 45%, rgba(120, 178, 214, 0.4), transparent 70%), linear-gradient(160deg, var(--dusk), var(--dusk-2)); }
.profile-body { padding: clamp(28px, 4vw, 52px); overflow: auto; max-height: min(88dvh, 900px); }
.profile-body h2 { font-family: var(--serif); font-size: clamp(2rem, 1.5rem + 1.6vw, 3.2rem); line-height: 1.02; }
.profile-dev { color: var(--gold-2); font-size: 1.4rem; margin: 6px 0 0; }
.profile-tag { font-family: var(--serif); font-size: 1.45rem; line-height: 1.25; margin: 18px 0 14px; font-style: italic; color: var(--text); }
.profile-desc p { color: var(--muted); }
.profile-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; margin: 22px 0; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line-soft); }
.profile-facts div { display: flex; flex-direction: column; gap: 3px; }
.profile-facts dt { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-2); }
.profile-facts dd { margin: 0; font-size: 0.95rem; }
.profile-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

.legal { width: min(760px, 100vw - 32px); max-height: 85dvh; padding: clamp(28px, 4vw, 48px); border: 1px solid var(--line-soft); border-radius: var(--r); background: var(--surface); }
.legal h2 { font-family: var(--serif); font-size: 2.2rem; margin-bottom: 14px; }
.legal p { color: var(--muted); }

/* ---------- reveal (only when JS is present) ---------- */
html.js .reveal { opacity: 0; transform: translateY(26px); }
html.js .reveal.is-in { opacity: 1; transform: none; transition: opacity 0.9s var(--ease), transform 1.1s var(--ease); }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .nav-links { display: none; }
  .menu-btn { display: flex; }
  .offers { grid-template-columns: 1fr; }
  .offer-tech { margin-top: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  :root { --nav-h: 66px; }
  .brand-long { display: none; }
  .nav-cta { padding: 0 14px; }
  .grid-2 { grid-template-columns: 1fr; }
  .institute-lead, .contact-lead { position: static; }
  .course-grid { grid-template-columns: 1fr; }
  .enrol-steps { grid-template-columns: 1fr; }
  .enrol-inner { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .tile, .tile-xl, .tile-half { grid-column: auto; grid-row: auto; min-height: 420px; }
  .tile-xl { min-height: 480px; }
  .tile-xl .tile-body { inset: auto 12px 12px 12px; max-width: none; padding: 24px; }
  .pan-pin { min-height: 0; padding: 60px 0 40px; }
  .pan-track { flex-direction: column; padding: 0 var(--gutter); gap: 16px; }
  .panel { width: 100%; max-height: none; aspect-ratio: 4 / 3; }
  .panel:last-child { margin-right: 0; }
  .lab { grid-template-columns: 1fr !important; min-height: 0; position: relative; top: auto; }
  .lab .lab-art { order: 0 !important; min-height: 200px; }
  .path-svg { display: none; }
  .path-stops { grid-template-columns: 1fr 1fr; }
  .program-grid { grid-template-columns: 1fr; }
  .partner-inner { grid-template-columns: 1fr; }
  .join-grid { grid-template-columns: 1fr; }
  .profile { grid-template-columns: 1fr; max-height: 92dvh; overflow: auto; }
  .profile-media { min-height: 200px; max-height: 240px; }
  .profile-media::after { background: linear-gradient(180deg, transparent 60%, var(--surface) 100%); }
  .profile-body { max-height: none; overflow: visible; }
  .profile-facts { grid-template-columns: 1fr; }
  .principles div { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 560px) {
  .hero { padding-top: calc(var(--nav-h) + 24px); }
  .hero-title { max-width: 9ch; }
  .hero-cta .btn { width: 100%; }
  .nav-cta { display: none; }
  .marquee-track { font-size: 1.2rem; }
  .facts { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .path-stops { grid-template-columns: 1fr; }
  .support-cta p { font-size: 1.3rem; }
  .tile-body, .panel-body { padding: 18px 20px; }
  .course-cta .btn { width: 100%; }
}

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html.js .reveal { opacity: 1; transform: none; }
  .marquee-track { transform: none !important; }
}