/* ═══════════════════════════════════════════════════════════════
   AVINASH DONGRE — ARCTIC ICE EDITORIAL
   Tone: Premium science journal meets Apple spatial design
   Palette: Ice White · Arctic Blue · Silver · Deep Navy
═══════════════════════════════════════════════════════════════ */

:root {
  /* Palette — Arctic Ice */
  --ivory:       #F0F6FF;
  --ivory-warm:  #E4EEF9;
  --ivory-deep:  #C8DDEF;
  --ink:         #0D1B2A;
  --ink-mid:     #1E3448;
  --ink-light:   #4A6580;
  --ink-faint:   #8AAABF;

  --green:       #0077B6;
  --green-mid:   #0096C7;
  --green-light: #48CAE4;
  --green-pale:  #CAE9FF;

  --terra:       #5E8FB5;
  --terra-light: #90C4E0;
  --terra-pale:  #DCF0FA;

  --gold:        #7FAFCF;
  --gold-light:  #AED6F1;
  --gold-pale:   #E8F4FD;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-serif:   'Instrument Serif', Georgia, serif;
  --font-sans:    'Cabinet Grotesk', system-ui, sans-serif;

  /* Spacing */
  --pad-x: clamp(24px, 6vw, 96px);
  --pad-y: clamp(64px, 8vw, 120px);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--ivory);
  color: var(--ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { border: none; background: none; font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
::selection { background: var(--green-pale); color: var(--green); }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--ivory); }
::-webkit-scrollbar-thumb { background: var(--ink-faint); border-radius: 3px; }

/* ── LOADER ── */
#loader {
  position: fixed;
  inset: 0;
  background: var(--ivory);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s var(--ease), visibility 0.5s;
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.loader-cell { width: 64px; height: 64px; }
.loader-text {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-light);
}

/* ── SCROLL REVEAL ── */
.sr {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.sr.sr-right {
  transform: translateX(32px);
}
.sr.visible { opacity: 1; transform: none; }
.sr-d1 { transition-delay: 0.1s; }
.sr-d2 { transition-delay: 0.2s; }
.sr-d3 { transition-delay: 0.3s; }
.sr-d4 { transition-delay: 0.4s; }
.sr-d5 { transition-delay: 0.5s; }

/* ── SHARED ── */
.section-kicker {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-kicker::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--terra);
}

/* ══════════════════════════════════════════════════════════════
   NAV
══════════════════════════════════════════════════════════════ */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad-x);
  height: 68px;
  transition: background 0.4s, box-shadow 0.4s;
}
#nav.scrolled {
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--ivory-deep);
}
.nav-wordmark {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.02em;
}
.nav-center-links {
  display: flex;
  gap: 4px;
}
.nl {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-mid);
  padding: 8px 14px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.nl:hover { color: var(--green); background: var(--green-pale); }
.nav-enroll {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ivory);
  background: var(--green);
  padding: 9px 20px;
  border-radius: 6px;
  transition: background 0.2s, transform 0.2s;
}
.nav-enroll:hover { background: var(--green-mid); transform: translateY(-1px); }
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: 0.3s;
}
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: var(--ivory);
  border-bottom: 1px solid var(--ivory-deep);
  flex-direction: column;
  padding: 16px var(--pad-x) 24px;
  z-index: 99;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink-mid);
  padding: 14px 0;
  border-bottom: 1px solid var(--ivory-deep);
  transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--green); }
.mob-enroll {
  margin-top: 16px;
  background: var(--green) !important;
  color: var(--ivory) !important;
  text-align: center;
  padding: 14px !important;
  border-radius: 8px;
  border-bottom: none !important;
  font-weight: 700 !important;
}

/* ══════════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  padding-top: 68px;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--ivory-deep);
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 14px var(--pad-x);
  border-bottom: 1px solid var(--ivory-deep);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.eyebrow-line {
  flex: 1;
  height: 1px;
  background: var(--ivory-deep);
  max-width: 200px;
}

.hero-main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 60px var(--pad-x);
  gap: 40px;
}

.hero-left { max-width: 520px; }
.hero-issue {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 24px;
}
.hero-headline {
  display: flex;
  flex-direction: column;
  margin-bottom: 36px;
}
.hl-1 {
  font-family: var(--font-sans);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 300;
  color: var(--ink-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hl-2 {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 900;
  color: var(--ink);
  line-height: 0.95;
  letter-spacing: -0.03em;
}
.hl-3 {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 400;
  font-style: italic;
  color: var(--green);
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero-desc p {
  font-size: 1rem;
  color: var(--ink-light);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 420px;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.cta-fill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: var(--green);
  color: var(--ivory);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 6px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.cta-fill:hover {
  background: var(--green-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45, 80, 22, 0.25);
}
.cta-line {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-mid);
  border-bottom: 1.5px solid var(--ink-mid);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.cta-line:hover { color: var(--green); border-color: var(--green); }

/* Cell art */
.hero-center-art {
  display: flex;
  align-items: center;
  justify-content: center;
}
.cell-art {
  width: clamp(240px, 28vw, 380px);
  height: clamp(240px, 28vw, 380px);
  animation: cellBreath 6s ease-in-out infinite;
}
@keyframes cellBreath {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}
.cell-membrane {
  animation: membraneRotate 30s linear infinite;
  transform-origin: 200px 200px;
}
@keyframes membraneRotate {
  to { transform: rotate(360deg); }
}

/* Stats vertical */
.hero-right { display: flex; justify-content: flex-end; }
.hero-stats-vert {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--ivory-deep);
  border-radius: 16px;
  overflow: hidden;
  background: white;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.hsv-item {
  padding: 28px 32px;
  text-align: center;
}
.hsv-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  margin-bottom: 8px;
}
.hsv-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  line-height: 1.4;
}
.hsv-divider {
  height: 1px;
  background: var(--ivory-deep);
  margin: 0 20px;
}

/* Ticker */
.hero-ticker {
  border-top: 1px solid var(--ivory-deep);
  overflow: hidden;
  padding: 14px 0;
  background: var(--ivory-warm);
}
.ticker-track {
  display: flex;
  gap: 32px;
  white-space: nowrap;
  animation: ticker 30s linear infinite;
  width: max-content;
}
.ticker-track span {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-light);
}
.tick-dot { color: var(--terra) !important; }
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ══════════════════════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════════════════════ */
#about {
  padding: var(--pad-y) var(--pad-x);
  position: relative;
}
.about-number {
  position: absolute;
  top: var(--pad-y);
  right: var(--pad-x);
  font-family: var(--font-display);
  font-size: clamp(6rem, 12vw, 14rem);
  font-weight: 900;
  color: var(--ivory-deep);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
  margin-bottom: 80px;
}
.about-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 32px;
}
.about-title em {
  font-style: italic;
  color: var(--green);
}
.about-pull-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-style: italic;
  color: var(--terra);
  line-height: 1.6;
  padding-left: 20px;
  border-left: 3px solid var(--terra);
}
.about-body {
  font-size: 1rem;
  color: var(--ink-light);
  line-height: 1.8;
  margin-bottom: 20px;
}
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 32px;
}
.exp-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 12px;
  background: var(--ivory-warm);
  border: 1px solid var(--ivory-deep);
  border-radius: 12px;
  text-align: center;
  transition: 0.25s var(--ease);
  cursor: default;
}
.exp-item:hover {
  background: var(--green-pale);
  border-color: var(--green-light);
  transform: translateY(-3px);
}
.exp-icon { font-size: 1.5rem; }
.exp-item span {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ink-mid);
  letter-spacing: 0.04em;
}

/* Philosophy strip */
.philosophy-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--ivory-deep);
  border-radius: 16px;
  overflow: hidden;
  background: white;
}
.phil-item {
  padding: 36px 28px;
  transition: background 0.25s;
}
.phil-item:hover { background: var(--ivory-warm); }
.phil-divider {
  width: 1px;
  background: var(--ivory-deep);
  align-self: stretch;
}
.phil-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ivory-deep);
  margin-bottom: 16px;
  line-height: 1;
}
.phil-item h4 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 10px;
}
.phil-item p {
  font-size: 0.85rem;
  color: var(--ink-light);
  line-height: 1.65;
}

/* ══════════════════════════════════════════════════════════════
   IMPACT
══════════════════════════════════════════════════════════════ */
#impact {
  background: var(--ink);
  color: var(--ivory);
  padding: var(--pad-y) var(--pad-x);
}
.impact-header {
  margin-bottom: 60px;
}
.impact-header .section-kicker { color: var(--terra-light); }
.impact-header .section-kicker::before { background: var(--terra-light); }
.impact-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--ivory);
}
.impact-title em {
  font-style: italic;
  color: var(--gold-light);
}
.impact-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  overflow: hidden;
}
.impact-block {
  padding: 48px 36px;
  background: var(--ink);
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}
.impact-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  transition: opacity 0.3s;
  opacity: 0;
}
.impact-block[data-color="green"]::before { background: var(--green-light); }
.impact-block[data-color="terra"]::before { background: var(--terra); }
.impact-block[data-color="gold"]::before { background: var(--gold-light); }
.impact-block:hover { background: rgba(255,255,255,0.04); }
.impact-block:hover::before { opacity: 1; }
.ib-num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 16px;
}
.impact-block[data-color="green"] .ib-num { color: var(--green-light); }
.impact-block[data-color="terra"] .ib-num { color: var(--terra-light); }
.impact-block[data-color="gold"] .ib-num { color: var(--gold-light); }
.ib-label {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ivory);
  margin-bottom: 8px;
}
.ib-sub {
  font-size: 0.8rem;
  color: rgba(245,240,232,0.45);
  line-height: 1.5;
}

/* ══════════════════════════════════════════════════════════════
   CURRICULUM
══════════════════════════════════════════════════════════════ */
#curriculum {
  padding: var(--pad-y) var(--pad-x);
  background: var(--ivory-warm);
}
.curriculum-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 60px;
}
.curriculum-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--ink);
}
.curriculum-title em { font-style: italic; color: var(--green); }
.curriculum-sub {
  font-size: 1rem;
  color: var(--ink-light);
  line-height: 1.7;
  max-width: 400px;
}

/* Course list — accordion rows */
.course-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--ivory-deep);
  border-radius: 16px;
  overflow: hidden;
  background: white;
}
.course-row {
  border-bottom: 1px solid var(--ivory-deep);
  cursor: pointer;
  transition: background 0.2s;
}
.course-row:last-child { border-bottom: none; }
.course-row:hover { background: var(--ivory); }
.course-row.active { background: var(--ivory); }

.course-row > .cr-left,
.course-row > .cr-mid,
.course-row > .cr-right {
  /* laid out via inner flex */
}

/* Row main content */
.course-row > *:not(.cr-expand) {
  display: inline-flex;
}
.course-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  grid-template-rows: auto auto;
  align-items: center;
  padding: 28px 32px;
  gap: 0 24px;
}
.cr-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cr-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ivory-deep);
  line-height: 1;
}
.cr-class {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--terra);
}
.cr-mid h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.cr-mid p {
  font-size: 0.85rem;
  color: var(--ink-light);
  line-height: 1.5;
}
.cr-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}
.cr-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.cr-tags span {
  padding: 3px 10px;
  background: var(--ivory-warm);
  border: 1px solid var(--ivory-deep);
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ink-light);
}
.tag-board { background: var(--terra-pale) !important; color: var(--terra) !important; border-color: var(--terra-light) !important; }
.tag-neet  { background: var(--green-pale) !important; color: var(--green) !important; border-color: var(--green-light) !important; }
.cr-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border: 1.5px solid var(--ink-mid);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-mid);
  transition: 0.2s;
  white-space: nowrap;
}
.cr-btn:hover { background: var(--ink); color: var(--ivory); border-color: var(--ink); }
.cr-btn-fill {
  background: var(--green);
  color: var(--ivory) !important;
  border-color: var(--green) !important;
}
.cr-btn-fill:hover { background: var(--green-mid) !important; border-color: var(--green-mid) !important; }

.popular-badge {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--gold-pale);
  border: 1px solid var(--gold-light);
  padding: 2px 8px;
  border-radius: 100px;
}
.featured-row { background: var(--ivory) !important; }

/* Expand panel */
.cr-expand {
  grid-column: 1 / -1;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.4s;
  padding: 0 32px;
}
.cr-expand.open {
  max-height: 200px;
  padding: 0 32px 24px;
}
.cr-expand ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--ivory-deep);
}
.cr-expand li {
  font-size: 0.85rem;
  color: var(--ink-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
.cr-expand li::before {
  content: '→';
  color: var(--green);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════════
   SCIENCE CORNER
══════════════════════════════════════════════════════════════ */
#science {
  padding: var(--pad-y) 0;
  overflow: hidden;
}
.science-header {
  padding: 0 var(--pad-x);
  margin-bottom: 48px;
}
.science-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--ink);
}
.science-title em { font-style: italic; color: var(--green); }

.science-scroll-container {
  overflow-x: auto;
  padding: 0 var(--pad-x) 24px;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.science-scroll-container::-webkit-scrollbar { display: none; }
.science-scroll-container:active { cursor: grabbing; }

.science-scroll-track {
  display: flex;
  gap: 20px;
  width: max-content;
}

.sci-card {
  width: 300px;
  flex-shrink: 0;
  padding: 32px 28px;
  background: white;
  border: 1px solid var(--ivory-deep);
  border-radius: 16px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
  user-select: none;
}
.sci-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.1);
}
.sci-card-dark {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--ivory);
}
.sci-card-terra {
  background: var(--terra-pale);
  border-color: var(--terra-light);
}
.sci-card-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--ivory-deep);
  line-height: 1;
  margin-bottom: 8px;
}
.sci-card-dark .sci-card-num { color: rgba(255,255,255,0.1); }
.sci-card-terra .sci-card-num { color: var(--terra-pale); filter: brightness(0.9); }
.sci-card-type {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 12px;
}
.sci-card-dark .sci-card-type { color: var(--terra-light); }
.sci-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.3;
}
.sci-card-dark h3 { color: var(--ivory); }
.sci-card p {
  font-size: 0.82rem;
  color: var(--ink-light);
  line-height: 1.6;
  margin-bottom: 20px;
}
.sci-card-dark p { color: rgba(245,240,232,0.6); }
.sci-card-art { opacity: 0.8; }

.science-scroll-hint {
  text-align: center;
  padding: 12px var(--pad-x) 0;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.concept-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 40px var(--pad-x) 0;
  justify-content: center;
}
.ctag {
  padding: 9px 18px;
  background: white;
  border: 1.5px solid var(--ivory-deep);
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-mid);
  cursor: default;
  transition: 0.2s var(--ease);
}
.ctag:hover {
  background: var(--green);
  border-color: var(--green);
  color: var(--ivory);
  transform: scale(1.04);
}

/* ══════════════════════════════════════════════════════════════
   TESTIMONIALS
══════════════════════════════════════════════════════════════ */
#testimonials {
  padding: var(--pad-y) var(--pad-x);
  background: var(--ivory-warm);
}
.testi-header { margin-bottom: 56px; }
.testi-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--ink);
}
.testi-title em { font-style: italic; color: var(--green); }

.testi-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
}
.testi-card {
  background: white;
  border: 1px solid var(--ivory-deep);
  border-radius: 16px;
  padding: 36px 32px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.testi-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}
.testi-large {
  grid-row: 1 / 3;
  background: var(--green);
  border-color: var(--green);
  color: var(--ivory);
}
.testi-dark {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--ivory);
}
.tq {
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 0.8;
  color: var(--ivory-deep);
  margin-bottom: 16px;
}
.testi-large .tq { color: rgba(245,240,232,0.3); }
.testi-dark .tq { color: rgba(255,255,255,0.15); }
.testi-card p {
  font-size: 0.9rem;
  color: var(--ink-light);
  line-height: 1.75;
  margin-bottom: 28px;
  font-style: italic;
}
.testi-large p { color: rgba(245,240,232,0.85); font-size: 1rem; }
.testi-dark p { color: rgba(245,240,232,0.7); }
.testi-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ta-avatar {
  width: 40px; height: 40px;
  background: var(--green-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--green);
  flex-shrink: 0;
}
.testi-large .ta-avatar { background: rgba(255,255,255,0.2); color: var(--ivory); }
.ta-dark { background: rgba(255,255,255,0.1) !important; color: var(--ivory) !important; }
.testi-author strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
}
.testi-large .testi-author strong { color: var(--ivory); }
.testi-dark .testi-author strong { color: var(--ivory); }
.testi-author span {
  font-size: 0.75rem;
  color: var(--ink-faint);
}
.testi-large .testi-author span { color: rgba(245,240,232,0.6); }
.testi-dark .testi-author span { color: rgba(245,240,232,0.5); }
.ta-stars {
  margin-left: auto;
  color: var(--gold);
  font-size: 0.75rem;
  letter-spacing: 2px;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════════════════════ */
#contact { padding: 0; }
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  min-height: 80vh;
}
.contact-left {
  padding: var(--pad-y) var(--pad-x);
  background: var(--ink);
  color: var(--ivory);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contact-left .section-kicker { color: var(--terra-light); }
.contact-left .section-kicker::before { background: var(--terra-light); }
.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--ivory);
  margin-bottom: 20px;
}
.contact-title em { font-style: italic; color: var(--gold-light); }
.contact-sub {
  font-size: 0.95rem;
  color: rgba(245,240,232,0.6);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 380px;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 32px;
}
.cd-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  gap: 16px;
}
.cd-row:last-child { border-bottom: none; }
.cd-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.4);
  flex-shrink: 0;
}
.cd-val {
  font-size: 0.875rem;
  color: var(--ivory);
  text-align: right;
}
.contact-socials {
  display: flex;
  gap: 10px;
}
.cs-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(245,240,232,0.7);
  transition: 0.2s;
}
.cs-btn:hover {
  background: rgba(255,255,255,0.08);
  color: var(--ivory);
  border-color: rgba(255,255,255,0.3);
}

/* Form */
.contact-right {
  padding: var(--pad-y) var(--pad-x);
  background: var(--ivory);
  display: flex;
  align-items: center;
}
#contactForm { width: 100%; max-width: 520px; }
.fg-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.fg {
  margin-bottom: 20px;
}
.fg label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 8px;
}
.fg input,
.fg select,
.fg textarea {
  width: 100%;
  padding: 12px 16px;
  background: white;
  border: 1.5px solid var(--ivory-deep);
  border-radius: 8px;
  color: var(--ink);
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
}
.fg input::placeholder,
.fg textarea::placeholder { color: var(--ink-faint); }
.fg input:focus,
.fg select:focus,
.fg textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-pale);
}
.fg select option { background: white; color: var(--ink); }
.fg textarea { resize: vertical; min-height: 100px; }
.form-submit {
  width: 100%;
  padding: 15px 28px;
  background: var(--green);
  color: var(--ivory);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 8px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  letter-spacing: 0.02em;
}
.form-submit:hover {
  background: var(--green-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45,80,22,0.25);
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════ */
footer {
  background: var(--ink);
  color: var(--ivory);
  padding: 60px var(--pad-x) 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.ft-logo {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--green-light);
  margin-bottom: 16px;
}
.ft-brand p {
  font-size: 0.875rem;
  color: rgba(245,240,232,0.5);
  line-height: 1.7;
  max-width: 260px;
}
.ft-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.ftl-col h6 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.4);
  margin-bottom: 20px;
}
.ftl-col a,
.ftl-col span {
  display: block;
  font-size: 0.85rem;
  color: rgba(245,240,232,0.55);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.ftl-col a:hover { color: var(--ivory); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: rgba(245,240,232,0.3);
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .hero-main { grid-template-columns: 1fr 1fr; }
  .hero-right { display: none; }
  .impact-row { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr 1fr; }
  .testi-large { grid-row: auto; }
  .philosophy-strip { grid-template-columns: repeat(2, 1fr); }
  .phil-divider:nth-child(4) { display: none; }
}

@media (max-width: 900px) {
  .nav-center-links, .nav-enroll { display: none; }
  .nav-burger { display: flex; }
  .hero-main { grid-template-columns: 1fr; text-align: center; }
  .hero-left { max-width: 100%; }
  .hero-desc p { max-width: 100%; }
  .hero-ctas { justify-content: center; }
  .cell-art { width: 220px; height: 220px; }
  .about-layout { grid-template-columns: 1fr; }
  .curriculum-header { grid-template-columns: 1fr; }
  .contact-split { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .ft-links { grid-template-columns: repeat(2, 1fr); }
  .philosophy-strip { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .impact-row { grid-template-columns: 1fr 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .course-row { grid-template-columns: 80px 1fr; padding: 20px; }
  .cr-right { display: none; }
  .philosophy-strip { grid-template-columns: 1fr; }
  .phil-divider { display: none; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .ft-links { grid-template-columns: 1fr; }
  .fg-row { grid-template-columns: 1fr; }
  .contact-socials { flex-wrap: wrap; }
  .hero-eyebrow { font-size: 0.6rem; gap: 10px; }
  .eyebrow-line { display: none; }
}