/* /public/css/schools.css
   Source: extracted verbatim from /public/schools.html inline <style> block (lines 33-2045)
   Date: 2026-05-04 — Pass 1 refactor (mirrors home.html precedent)
   Brace balance at extraction: 510 open / 510 close */
/* ═══════════════════════════════════════════
   FOUNDATIONS — shared with TinkySpeak site
   ═══════════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --f-serif: 'Fraunces', 'Georgia', serif;
  --f-sans: 'General Sans', system-ui, -apple-system, sans-serif;

  --ink: #0d0b0e;
  --ink-soft: #2a2433;
  --ink-muted: #6b6177;
  --surface: #f7f6f4;
  --surface-warm: #f0ede8;
  --surface-dark: #13111a;
  --surface-deep: #0d0b10;

  /* Education palette — warm, grounded, trustworthy */
  --edu-navy: #2d4a7a;
  --edu-navy-soft: #3e6199;
  --edu-navy-pale: #e6ecf5;
  --edu-navy-glow: rgba(45, 74, 122, 0.10);
  --edu-slate: #5a7394;
  --edu-slate-soft: #7a94b2;
  --edu-green: #3d8b5a;
  --edu-green-soft: #5aab76;
  --edu-green-pale: #e5f2ea;
  --edu-green-glow: rgba(61, 139, 90, 0.10);
  --edu-warm: #8a7560;
  --edu-warm-pale: #f2ede7;

  /* Brand consistency */
  --amber: #e8a33d;
  --amber-light: #f4c97b;
  --coral: #e05e4a;

  /* Fitzgerald Key — real AAC colors */
  --fk-verb: #f0862e;
  --fk-noun: #f2c624;
  --fk-adj: #3b82f6;
  --fk-social: #ec5fa0;
  --fk-question: #8b5cf6;
  --fk-negation: #ef4444;
  --fk-help: #22c55e;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --container: min(1120px, 88vw);
  --section-gap: clamp(5rem, 12vw, 8rem);
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--f-sans);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: var(--f-serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; }
.container { width: var(--container); margin: 0 auto; }

/* Subtle grain overlay */
body::after {
  content: '';
  position: fixed; inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.5;
}

/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */
.btn-edu {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  background: var(--edu-green);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 10px;
  transition: all 0.3s var(--ease-out);
}
.btn-edu:hover { background: var(--edu-green-soft); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(61,139,90,0.3); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  background: transparent;
  border: 2px solid rgba(255,255,255,0.25);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 10px;
  transition: all 0.3s var(--ease-out);
}
.btn-outline:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.05); }

.btn-outline-dark {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  background: transparent;
  border: 2px solid rgba(0,0,0,0.15);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 10px;
  transition: all 0.3s var(--ease-out);
}
.btn-outline-dark:hover { border-color: var(--edu-green); color: var(--edu-green); }

/* ═══════════════════════════════════════════
   NAV
   ═══════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  transition: all 0.4s var(--ease-out);
}
.nav.scrolled {
  background: rgba(13,11,14,0.95);
  backdrop-filter: blur(12px);
  padding: 0.7rem 2rem;
  box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--f-serif);
  font-weight: 700; font-size: 1.2rem;
  color: #fff; display: flex; align-items: center; gap: 0.4rem;
}
.nav-logo-dot {
  width: 8px; height: 8px;
  background: var(--amber);
  border-radius: 50%;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem; font-weight: 500;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--amber); }
.nav-links a.active { color: var(--edu-green-soft); font-weight: 600; }
.nav-cta-btn {
  background: #9b8ec4;
  color: #fff; font-weight: 700;
  padding: 0.5rem 1.2rem;
  border-radius: 8px; font-size: 0.82rem;
  transition: all 0.3s var(--ease-out);
}
.nav-cta-btn:hover { transform: scale(1.05); box-shadow: 0 4px 20px rgba(155,142,196,0.4); }

.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  width: 22px; height: 2px;
  background: #fff; border-radius: 2px;
}

.mob-menu {
  display: none;
  position: fixed; inset: 0; z-index: 200;
  background: rgba(13,11,14,0.98);
  flex-direction: column; align-items: center; justify-content: center; gap: 1.5rem;
}
.mob-menu.open { display: flex; }
.mob-menu a {
  color: rgba(255,255,255,0.8); font-size: 1.1rem;
  font-weight: 500; transition: all 0.3s;
}
.mob-menu a:hover { opacity: 1; color: var(--amber); }
.mob-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  background: none; border: none; color: #fff;
  font-size: 2rem; cursor: pointer;
}

/* ═══════════════════════════════════════════
   SECTION LABELS
   ═══════════════════════════════════════════ */
.section-label {
  display: flex; align-items: center; gap: 0.8rem;
  font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--edu-green);
  margin-bottom: 1rem;
}
.section-label-line {
  width: 32px; height: 2px;
  background: var(--edu-green);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  max-width: 700px;
  margin-bottom: 1rem;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--ink-muted);
  max-width: 640px;
  line-height: 1.8;
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════════ */
.rv {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.rv.vis {
  opacity: 1;
  transform: translateY(0);
}
.rv-d1 { transition-delay: 0.1s; }
.rv-d2 { transition-delay: 0.2s; }
.rv-d3 { transition-delay: 0.3s; }
.rv-d4 { transition-delay: 0.4s; }
.rv-d5 { transition-delay: 0.5s; }
.rv-d6 { transition-delay: 0.6s; }
.rv-d7 { transition-delay: 0.7s; }
.rv-d8 { transition-delay: 0.8s; }

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
.hero {
  padding: clamp(8rem, 18vw, 12rem) 0 clamp(4rem, 10vw, 7rem);
  background: linear-gradient(165deg, var(--surface-dark) 0%, #1a2030 50%, #162028 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 70% 30%, rgba(61,139,90,0.08) 0%, transparent 70%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-grid .hero-content { max-width: 560px; }
.hero-visual {
  position: relative;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.hero-content {
  position: relative;
  max-width: 720px;
}

/* ═══ QR SCAN HERO DEMO ═══ */
.qr-scan-demo {
  width: 420px; height: 420px;
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.qr-phone-frame { position: absolute; inset: 0; pointer-events: none; z-index: 5; }
.qr-phone-frame::before, .qr-phone-frame::after,
.qr-corner-br::before, .qr-corner-br::after {
  content: ''; position: absolute;
  width: 40px; height: 40px;
  border-color: rgba(90,171,118,0.6); border-style: solid;
}
.qr-phone-frame::before { top: 30px; left: 30px; border-width: 3px 0 0 3px; border-radius: 4px 0 0 0; }
.qr-phone-frame::after  { top: 30px; right: 30px; border-width: 3px 3px 0 0; border-radius: 0 4px 0 0; }
.qr-corner-br::before  { bottom: 30px; left: 30px; border-width: 0 0 3px 3px; border-radius: 0 0 0 4px; }
.qr-corner-br::after   { bottom: 30px; right: 30px; border-width: 0 3px 3px 0; border-radius: 0 0 4px 0; }
.qr-corner-br { position: absolute; inset: 0; pointer-events: none; z-index: 5; }
.qr-scanline {
  position: absolute; left: 50px; right: 50px; height: 3px;
  background: linear-gradient(90deg, transparent, var(--edu-green-soft), var(--edu-green), var(--edu-green-soft), transparent);
  border-radius: 2px; z-index: 7;
  box-shadow: 0 0 12px var(--edu-green), 0 0 30px rgba(90,171,118,0.3);
  animation: scanSweep 10s ease infinite;
}
@keyframes scanSweep {
  0% { top: 50px; opacity: 0; } 3% { top: 50px; opacity: 1; }
  20% { top: 70%; opacity: 1; } 25% { top: 75%; opacity: 1; }
  28% { opacity: 0; } 100% { opacity: 0; top: 75%; }
}
.qr-scan-indicator {
  position: absolute; top: 40px; right: 45px;
  display: flex; align-items: center; gap: 6px; z-index: 6;
  animation: scanIndicatorFade 10s ease infinite;
}
.qr-scan-indicator::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--edu-green); animation: scanBlink 1s ease infinite;
}
.qr-scan-indicator-text { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.12em; color: rgba(255,255,255,0.5); }
@keyframes scanBlink { 0%,50% { opacity: 1; } 51%,100% { opacity: 0.3; } }
@keyframes scanIndicatorFade { 0%,28% { opacity: 1; } 32%,100% { opacity: 0; } }
.qr-code-subject { z-index: 2; width: 180px; height: 180px; animation: qrSubject 10s ease infinite; }
.qr-code-subject svg { width: 100%; height: 100%; filter: drop-shadow(0 8px 24px rgba(0,0,0,0.3)); }
@keyframes qrSubject {
  0%,24% { transform: scale(1); opacity: 1; }
  28% { transform: scale(1.05); opacity: 1; }
  30% { transform: scale(0.9); opacity: 1; filter: brightness(1.8) drop-shadow(0 0 30px var(--edu-green)); }
  35% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(0.5); opacity: 0; }
}
.qr-scene-label {
  position: absolute; bottom: 60px; left: 50%; transform: translateX(-50%);
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(255,255,255,0.35); z-index: 3;
  animation: qrSceneFade 10s ease infinite;
}
@keyframes qrSceneFade { 0%,26% { opacity: 1; } 32%,100% { opacity: 0; } }
.qr-flash {
  position: absolute; inset: 0; background: var(--edu-green);
  border-radius: 20px; opacity: 0; z-index: 10; pointer-events: none;
  animation: qrFlash 10s ease infinite;
}
@keyframes qrFlash { 0%,28% { opacity: 0; } 29% { opacity: 0.7; } 32% { opacity: 0; } 100% { opacity: 0; } }
.qr-board-result {
  position: absolute; z-index: 8;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 6px; width: 260px;
  animation: boardAppear 10s cubic-bezier(0.34,1.56,0.64,1) infinite;
}
.qr-board-tile {
  aspect-ratio: 1; border-radius: 10px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.qr-board-tile-emoji { font-size: 1.6rem; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1)); }
.qr-board-tile-label { font-size: 0.5rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: #fff; font-family: var(--f-sans); text-shadow: 0 1px 2px rgba(0,0,0,0.2); }
.qr-board-tile.t-help { background: var(--fk-help); }
.qr-board-tile.t-noun { background: var(--fk-noun); color: #1a1a1a; }
.qr-board-tile.t-noun .qr-board-tile-label { color: #1a1a1a; text-shadow: none; }
.qr-board-tile.t-verb { background: var(--fk-verb); }
.qr-board-tile.t-adj { background: var(--fk-adj); }
.qr-board-tile.t-social { background: var(--fk-social); }
.qr-board-tile.t-negation { background: var(--fk-negation); }
.qr-board-tile.t-question { background: var(--fk-question); }
@keyframes boardAppear {
  0%,34% { transform: scale(0); opacity: 0; }
  40% { transform: scale(1.06); opacity: 1; }
  44%,62% { transform: scale(1); opacity: 1; }
  67% { transform: scale(0.7) translateY(-20px); opacity: 0; }
  100% { transform: scale(0.7) translateY(-20px); opacity: 0; }
}
.qr-sentence {
  position: absolute; z-index: 9;
  display: flex; flex-direction: column;
  align-items: center; gap: 12px;
  animation: qrSentenceAppear 10s ease infinite;
}
.qr-sentence-bubble {
  background: linear-gradient(135deg, rgba(61,139,90,0.2), rgba(232,163,61,0.2));
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px; padding: 28px 36px; text-align: center;
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}
.qr-sentence-icon { font-size: 2.2rem; margin-bottom: 8px; animation: qrSpeakerPulse 10s ease infinite; }
@keyframes qrSpeakerPulse { 0%,70% { transform: scale(1); } 74% { transform: scale(1.25); } 77% { transform: scale(1); } 80% { transform: scale(1.2); } 83%,100% { transform: scale(1); } }
.qr-sentence-text { font-family: var(--f-serif); font-size: 1.2rem; font-weight: 600; color: #fff; font-style: italic; line-height: 1.4; }
.qr-sentence-tiles { display: flex; gap: 8px; }
.qr-mini-tile { border-radius: 8px; display: flex; flex-direction: column; align-items: center; overflow: hidden; opacity: 0.9; width: 72px; }
.qr-mini-tile-top { width: 100%; display: flex; align-items: center; justify-content: center; padding: 6px 4px 4px; font-size: 1.3rem; }
.qr-mini-tile-bottom { width: 100%; background: rgba(0,0,0,0.25); padding: 4px; text-align: center; font-size: 0.45rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; font-family: var(--f-sans); color: #fff; }
.qr-mini-tile.smt-noun .qr-mini-tile-top { background: var(--fk-noun); }
.qr-mini-tile.smt-verb .qr-mini-tile-top { background: var(--fk-verb); }
.qr-mini-tile.smt-help .qr-mini-tile-top { background: var(--fk-help); }
@keyframes qrSentenceAppear {
  0%,64% { transform: scale(0.8); opacity: 0; }
  70% { transform: scale(1.02); opacity: 1; }
  74%,92% { transform: scale(1); opacity: 1; }
  98% { transform: scale(0.95); opacity: 0; }
  100% { opacity: 0; }
}
.hero-demo-steps { margin-top: 1.5rem; text-align: center; }
.hd-step-indicator { display: flex; justify-content: center; gap: 8px; margin-bottom: 0.8rem; }
.hd-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.15); }
.hd-dot-1 { animation: dotQr1 10s ease infinite; }
.hd-dot-2 { animation: dotQr2 10s ease infinite; }
.hd-dot-3 { animation: dotQr3 10s ease infinite; }
@keyframes dotQr1 { 0%,5% { background: var(--edu-green); transform: scale(1.2); } 30%,100% { background: rgba(255,255,255,0.15); transform: scale(1); } }
@keyframes dotQr2 { 0%,33% { background: rgba(255,255,255,0.15); transform: scale(1); } 40% { background: var(--edu-green); transform: scale(1.2); } 62%,100% { background: rgba(255,255,255,0.15); transform: scale(1); } }
@keyframes dotQr3 { 0%,66% { background: rgba(255,255,255,0.15); transform: scale(1); } 72% { background: var(--edu-green); transform: scale(1.2); } 94% { background: var(--edu-green); transform: scale(1.2); } 100% { background: rgba(255,255,255,0.15); transform: scale(1); } }
.hd-step-labels { display: flex; justify-content: center; gap: 2rem; font-size: 0.75rem; font-weight: 600; color: rgba(255,255,255,0.4); }
.hd-label-1 { animation: lblQr1 10s ease infinite; }
.hd-label-2 { animation: lblQr2 10s ease infinite; }
.hd-label-3 { animation: lblQr3 10s ease infinite; }
@keyframes lblQr1 { 0%,5% { color: #fff; } 30%,100% { color: rgba(255,255,255,0.4); } }
@keyframes lblQr2 { 0%,33% { color: rgba(255,255,255,0.4); } 40%,62% { color: #fff; } 68%,100% { color: rgba(255,255,255,0.4); } }
@keyframes lblQr3 { 0%,66% { color: rgba(255,255,255,0.4); } 72%,94% { color: #fff; } 100% { color: rgba(255,255,255,0.4); } }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(61,139,90,0.15);
  border: 1px solid rgba(61,139,90,0.3);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-size: 0.72rem; font-weight: 600;
  color: var(--edu-green-soft);
  margin-bottom: 2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero-badge-dot {
  width: 6px; height: 6px;
  background: var(--edu-green-soft);
  border-radius: 50%;
}
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  max-width: 650px;
}
.hero h1 em {
  font-style: normal;
  color: var(--edu-green-soft);
}
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 2.5rem;
}
.hero-actions {
  display: flex; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 3rem;
}
.hero-stats {
  display: flex; gap: 3rem; flex-wrap: wrap;
}
.hero-stat {
  display: flex; flex-direction: column;
}
.hero-stat-num {
  font-family: var(--f-serif);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--edu-green-soft);
  line-height: 1.1;
}
.hero-stat-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.45);
  font-weight: 500;
  margin-top: 0.25rem;
}

/* ═══════════════════════════════════════════
   CHALLENGE
   ═══════════════════════════════════════════ */
.challenge {
  padding: var(--section-gap) 0;
  background: var(--surface);
}
.challenge-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
}
.challenge-stat {
  text-align: center;
  padding: 2rem 1.5rem;
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.06);
}
.challenge-stat-num {
  font-family: var(--f-serif);
  font-weight: 800;
  font-size: 2.2rem;
  color: var(--edu-navy);
  margin-bottom: 0.4rem;
}
.challenge-stat-label {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.5;
}
.challenge-body {
  font-size: 1rem;
  color: var(--ink-muted);
  line-height: 1.8;
  max-width: 720px;
}

/* ═══════════════════════════════════════════
   SETT FRAMEWORK
   ═══════════════════════════════════════════ */
.sett {
  padding: var(--section-gap) 0;
  background: linear-gradient(165deg, var(--surface-dark) 0%, #1a1d2e 100%);
  color: #fff;
}
.sett-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.sett-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 2rem;
  transition: transform 0.4s var(--ease-out), border-color 0.3s;
}
.sett-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,0.15); }
.sett-letter {
  font-family: var(--f-serif);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--edu-green-soft);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.sett-word {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1rem;
}
.sett-card ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.sett-card li {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  padding-left: 1.2rem;
  position: relative;
  line-height: 1.5;
}
.sett-card li::before {
  content: '';
  position: absolute; left: 0; top: 0.5em;
  width: 5px; height: 5px;
  background: var(--edu-green);
  border-radius: 50%;
}
.sett-note {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.4);
  font-style: italic;
}

/* ═══════════════════════════════════════════
   QR CODES
   ═══════════════════════════════════════════ */
.qr-section {
  padding: var(--section-gap) 0;
  background: var(--surface);
}
.qr-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 2.5rem;
}
.qr-visual {
  position: relative;
}
.qr-demo {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.qr-card {
  background: #fff;
  border-radius: 14px;
  padding: 1.5rem 1rem;
  text-align: center;
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.4s var(--ease-out);
}
.qr-card:hover { transform: translateY(-3px); }
.qr-card-icon {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  display: block;
}
.qr-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 0.3rem;
}
.qr-card-desc {
  font-size: 0.68rem;
  color: var(--ink-muted);
  line-height: 1.4;
}
.qr-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.qr-content p {
  color: var(--ink-muted);
  line-height: 1.8;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}
.qr-steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}
.qr-step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.qr-step-num {
  width: 28px; height: 28px;
  background: var(--edu-green-pale);
  color: var(--edu-green);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.qr-step-text {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   LANGUAGES
   ═══════════════════════════════════════════ */
.languages {
  padding: var(--section-gap) 0;
  background: linear-gradient(165deg, #0a1f14 0%, #0d1a1c 50%, #10201a 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.languages::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 60% at 30% 50%, rgba(61,139,90,0.1) 0%, transparent 70%);
}
.languages .container { position: relative; }
.lang-highlight {
  font-family: var(--f-serif);
  font-weight: 800;
  font-size: clamp(4rem, 10vw, 6.5rem);
  color: rgba(90,171,118,0.15);
  line-height: 1;
  margin-bottom: 1.5rem;
}
.lang-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}
.lang-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 1.2rem;
  text-align: center;
  transition: all 0.3s var(--ease-out);
}
.lang-card:hover { border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.06); }
.lang-card-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  margin-bottom: 0.2rem;
}
.lang-card-native {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
}
.lang-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.lang-feature {
  padding: 1.5rem;
  background: rgba(255,255,255,0.03);
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.06);
}
.lang-feature h4 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 0.5rem;
}
.lang-feature p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   CLASSROOM FEATURES
   ═══════════════════════════════════════════ */
.features {
  padding: var(--section-gap) 0;
  background: var(--surface);
}
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.feat-card {
  background: #fff;
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.4s var(--ease-out);
}
.feat-card:hover { transform: translateY(-3px); }
.feat-card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}
.feat-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}
.feat-card p {
  font-size: 0.85rem;
  color: var(--ink-muted);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   PRICING — Tab Toggle UI
   ═══════════════════════════════════════════ */
.pricing {
  padding: var(--section-gap) 0;
  background: linear-gradient(165deg, var(--surface-dark) 0%, #1a2030 100%);
  color: #fff;
}
.pricing-toggle {
  display: flex;
  justify-content: center;
  margin: 2.5rem auto 3rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 5px;
  max-width: 520px;
}
.pricing-toggle-btn {
  flex: 1;
  padding: 0.85rem 1.5rem;
  background: transparent;
  color: rgba(255,255,255,0.5);
  font-family: var(--f-sans);
  font-weight: 600;
  font-size: 0.88rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.pricing-toggle-btn.active {
  background: var(--edu-green);
  color: #fff;
  box-shadow: 0 4px 20px rgba(61,139,90,0.3);
}
.pricing-toggle-btn:not(.active):hover {
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.04);
}
.pricing-toggle-icon { font-size: 1.1rem; }
.pricing-panel {
  display: none;
  animation: fadeInPanel 0.4s var(--ease-out);
}
.pricing-panel.active { display: block; }
@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.pricing-option {
  max-width: 640px;
  margin: 0 auto;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 3rem;
  text-align: center;
}
.pricing-option.featured {
  border-color: var(--edu-green);
  background: rgba(61,139,90,0.08);
}
.pricing-option-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--edu-green-soft);
  background: rgba(61,139,90,0.15);
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.2rem;
}
.pricing-option-price {
  font-family: var(--f-serif);
  font-weight: 800;
  font-size: 3rem;
  margin-bottom: 0.3rem;
}
.pricing-option-unit {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.45);
  margin-bottom: 2rem;
}
.pricing-option-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  text-align: left;
  max-width: 420px;
  margin: 0 auto;
}
.pricing-option-features li {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.7);
  padding-left: 1.6rem;
  position: relative;
  line-height: 1.55;
}
.pricing-option-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--edu-green-soft);
  font-weight: 700;
}
.volume-table {
  margin-top: 2rem;
  width: 100%;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}
.volume-row {
  display: flex;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.88rem;
}
.volume-row:last-child { border-bottom: none; }
.volume-tier { color: rgba(255,255,255,0.6); }
.volume-price { font-weight: 700; color: var(--edu-green-soft); }
.pricing-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.pricing-compare-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 2rem;
}
.pricing-compare-card.recommended {
  border-color: var(--edu-green);
  background: rgba(61,139,90,0.06);
}
.pricing-compare-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.35);
  margin-bottom: 0.5rem;
}
.pricing-compare-card.recommended .pricing-compare-label { color: var(--edu-green-soft); }
.pricing-compare-price {
  font-family: var(--f-serif);
  font-weight: 800;
  font-size: 1.8rem;
  margin-bottom: 0.3rem;
}
.pricing-compare-unit {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1rem;
}
.pricing-compare-ideal {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  font-style: italic;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 1rem;
}
.pricing-note {
  text-align: center;
  margin-top: 2.5rem;
  padding: 1.5rem 2rem;
  background: rgba(232,163,61,0.08);
  border: 1px solid rgba(232,163,61,0.2);
  border-radius: 12px;
}
.pricing-note p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   AMBIENT AAC — Classroom Ubiquity
   ═══════════════════════════════════════════ */
.ambient {
  padding: var(--section-gap) 0;
  background: var(--surface);
}
.ambient-header {
  max-width: 700px;
  margin-bottom: 3rem;
}
.ambient-highlight {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  color: var(--edu-navy);
  line-height: 1.5;
  margin: 2rem 0 3rem;
  max-width: 680px;
  border-left: 4px solid var(--edu-green);
  padding-left: 1.5rem;
}
.ambient-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.ambient-card {
  background: #fff;
  border-radius: 16px;
  padding: 2rem 2.2rem;
  border: 1px solid rgba(0,0,0,0.05);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s;
}
.ambient-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}
.ambient-card-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}
.ambient-card:nth-child(1) .ambient-card-icon { background: var(--edu-green-pale); }
.ambient-card:nth-child(2) .ambient-card-icon { background: var(--edu-navy-pale); }
.ambient-card:nth-child(3) .ambient-card-icon { background: rgba(236,95,160,0.08); }
.ambient-card:nth-child(4) .ambient-card-icon { background: rgba(139,92,246,0.08); }
.ambient-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.ambient-card p {
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   BOARD BUILDER — Free Resource CTA
   ═══════════════════════════════════════════ */
.builder-promo {
  padding: var(--section-gap) 0;
  background: linear-gradient(170deg, #f0f7f3 0%, #e8f0ee 50%, #f4f0e8 100%);
  position: relative;
  overflow: hidden;
}
.builder-promo::before {
  content: '';
  position: absolute;
  top: -60%; right: -15%;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61,139,90,0.06), transparent 70%);
  pointer-events: none;
}
.builder-promo-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.builder-promo-content { position: relative; z-index: 1; }
.builder-promo .section-label { color: var(--edu-green); }
.builder-promo .section-label::before { background: var(--edu-green); }
.builder-promo-content h2 {
  font-family: var(--f-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 1rem;
}
.builder-promo-content h2 em {
  font-style: italic;
  color: var(--edu-green);
}
.builder-promo-content p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
  max-width: 480px;
}
.builder-promo-mission {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 1.1rem !important;
  color: var(--ink-soft) !important;
  border-left: 3px solid var(--edu-green);
  padding-left: 1.2rem;
  margin: 2rem 0 !important;
}
.builder-promo-usecases {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin: 1.5rem 0 2rem;
}
.builder-promo-usecase {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.5;
}
.builder-promo-usecase::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--edu-green);
  flex-shrink: 0;
  margin-top: 0.45rem;
}
.builder-promo-ctas {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}
.builder-promo-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  background: var(--edu-green);
  color: #fff;
  font-family: var(--f-sans);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 100px;
  text-decoration: none;
  transition: all 0.3s var(--ease-out);
  box-shadow: 0 4px 20px rgba(61,139,90,0.3);
}
.builder-promo-btn:hover {
  background: #348c55;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(61,139,90,0.35);
}
.builder-promo-free {
  font-size: 0.78rem;
  color: var(--ink-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Board Builder — Visual Demo */
.builder-promo-visual {
  position: relative;
  z-index: 1;
}
.builder-demo {
  background: #fff;
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 8px 40px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.05);
}
.builder-demo-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.builder-demo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}
.builder-demo-dot:nth-child(1) { background: #ef4444; }
.builder-demo-dot:nth-child(2) { background: #f59e0b; }
.builder-demo-dot:nth-child(3) { background: #22c55e; }
.builder-demo-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-left: auto;
}
.builder-demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}
.builder-demo-tile {
  aspect-ratio: 1;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  font-family: var(--f-sans);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  transition: transform 0.3s var(--ease-out);
  cursor: default;
}
.builder-demo-tile:hover { transform: scale(1.06); }
.builder-demo-tile span { font-size: 1.4rem; }
.builder-demo-tile.t-noun { background: var(--fk-noun); color: #1a1a1a; }
.builder-demo-tile.t-verb { background: var(--fk-verb); }
.builder-demo-tile.t-adj { background: var(--fk-adj); }
.builder-demo-tile.t-social { background: var(--fk-social); }
.builder-demo-tile.t-question { background: var(--fk-question); }
.builder-demo-tile.t-help { background: var(--fk-help); }
.builder-demo-footer {
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.builder-demo-footer span {
  font-size: 0.72rem;
  color: var(--ink-muted);
}
.builder-demo-print {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--edu-green);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* ═══════════════════════════════════════════
   DEPLOYMENT
   ═══════════════════════════════════════════ */
.deployment {
  padding: var(--section-gap) 0;
  background: var(--surface);
}
.deploy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.deploy-card {
  background: #fff;
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.4s var(--ease-out);
}
.deploy-card:hover { transform: translateY(-3px); }
.deploy-card h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.deploy-card p {
  font-size: 0.85rem;
  color: var(--ink-muted);
  line-height: 1.7;
}
.deploy-number {
  font-family: var(--f-serif);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--edu-green);
  margin-bottom: 0.8rem;
  line-height: 1;
}

/* ═══════════════════════════════════════════
   PILOT PROGRAM
   ═══════════════════════════════════════════ */
.pilot {
  padding: var(--section-gap) 0;
  background: var(--surface-warm);
}
.pilot-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2.5rem;
  max-width: 700px;
}
.pilot-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.5rem 0;
  border-left: 2px solid rgba(0,0,0,0.08);
  padding-left: 2rem;
  position: relative;
}
.pilot-step::before {
  content: '';
  position: absolute;
  left: -7px; top: 1.8rem;
  width: 12px; height: 12px;
  background: var(--edu-green);
  border-radius: 50%;
  border: 2px solid var(--surface-warm);
}
.pilot-step-num {
  font-family: var(--f-serif);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--edu-green);
  flex-shrink: 0;
  width: 30px;
}
.pilot-step-content h4 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}
.pilot-step-content p {
  font-size: 0.85rem;
  color: var(--ink-muted);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   ACCESSIBILITY PROGRAMS
   ═══════════════════════════════════════════ */
.access-section {
  padding: clamp(3rem, 8vw, 5rem) 0;
  background: var(--surface);
}
.access-box {
  background: linear-gradient(135deg, rgba(232,163,61,0.06), rgba(61,139,90,0.06));
  border: 2px solid rgba(232,163,61,0.15);
  border-radius: 20px;
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.access-box h3 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}
.access-box p {
  font-size: 0.92rem;
  color: var(--ink-muted);
  line-height: 1.7;
}
.access-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.access-item {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
}
.access-item-icon {
  width: 36px; height: 36px;
  background: var(--edu-green-pale);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.access-item-text h5 {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}
.access-item-text p {
  font-size: 0.78rem;
  color: var(--ink-muted);
  line-height: 1.5;
  margin: 0;
}

/* ═══════════════════════════════════════════
   CTA
   ═══════════════════════════════════════════ */
.cta-section {
  padding: var(--section-gap) 0;
  background: linear-gradient(165deg, var(--surface-dark) 0%, #162028 100%);
  color: #fff;
  text-align: center;
}
.cta-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1rem;
}
.cta-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.55);
  max-width: 540px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.cta-form {
  display: flex;
  gap: 0.5rem;
  max-width: 460px;
  margin: 0 auto 1.5rem;
}
.cta-input {
  flex: 1;
  padding: 0.8rem 1.2rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05);
  color: #fff;
  font-family: var(--f-sans);
  font-size: 0.9rem;
}
.cta-input::placeholder { color: rgba(255,255,255,0.3); }
.cta-note {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  margin-bottom: 2rem;
}
.cta-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  transition: color 0.3s;
}
.cta-links a:hover { color: var(--amber); }

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  padding: 3rem 0 2rem;
  background: var(--surface-deep, #0d0b10);
  color: rgba(255,255,255,0.4);
  font-size: 0.82rem;
}
.footer-inner {
  display: flex; flex-direction: column; align-items: center; gap: 2rem;
}
.footer-logo {
  font-family: var(--f-serif);
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  font-size: 1.1rem;
}
.footer-columns {
  display: flex; gap: 3rem; justify-content: center; flex-wrap: wrap;
}
.footer-col { min-width: 140px; }
.footer-col-title {
  font-weight: 600; color: rgba(255,255,255,0.6);
  font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: 0.75rem;
}
.footer-links {
  list-style: none; display: flex; flex-direction: column; gap: 0.45rem;
}
.footer-links a {
  color: rgba(255,255,255,0.4); transition: color 0.3s; font-size: 0.82rem;
}
.footer-links a:hover { color: var(--amber, #e8a33d); }
.footer-bottom {
  text-align: center; font-size: 0.72rem; opacity: 0.5;
  padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.05);
  width: 100%;
}
@media (max-width: 600px) {
  .footer-columns { flex-direction: column; align-items: center; text-align: center; gap: 2rem; }
}

/* ═══════════════════════════════════════════
   FITZGERALD KEY SHOWCASE
   ═══════════════════════════════════════════ */
.fk-section {
  padding: 5rem 0;
  background: var(--surface-dark);
  position: relative;
}
.fk-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
}
.fk-intro {
  max-width: 680px;
  margin: 0 auto 3rem;
  text-align: center;
}
.fk-intro-body {
  font-size: 1rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.fk-intro-body strong {
  color: rgba(255,255,255,0.85);
}
.fk-why-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.fk-why-list li {
  font-size: 0.85rem;
  font-family: var(--f-sans);
  font-weight: 600;
  color: rgba(255,255,255,0.65);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 99px;
  padding: 0.45rem 1rem;
}
.fk-why-list li span {
  color: var(--edu-green);
  margin-right: 0.3rem;
}
.da-showcase {
  margin-top: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.da-panel {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 1.5rem;
}
.da-panel-label {
  font-family: var(--f-sans);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
}

/* Sentence Builder Device */
.da-device {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  background: #1a1a2e;
  border-radius: 28px;
  padding: 10px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.da-device-notch {
  width: 60px;
  height: 5px;
  background: #2a2a3e;
  border-radius: 99px;
  margin: 0 auto 8px;
}
.da-device-screen {
  background: #111;
  border-radius: 20px;
  overflow: hidden;
}
.da-sentence-bar {
  background: rgba(255,255,255,0.04);
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.da-sb-label {
  font-size: 0.55rem;
  color: rgba(255,255,255,0.35);
  font-family: var(--f-sans);
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}
.da-sb-slots {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}
.da-slot {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 2px solid transparent;
  border-radius: 8px;
  padding: 4px 2px;
  text-align: center;
  opacity: 0;
  animation: slotFillIn 8s ease infinite;
}
.da-slot-1 { animation-delay: 0s; }
.da-slot-2 { animation-delay: 0.4s; }
.da-slot-3 { animation-delay: 0.8s; }
.da-slot-4 { animation-delay: 1.2s; }
.da-slot-5 { animation-delay: 1.6s; }
@keyframes slotFillIn {
  0%, 8% { opacity: 0; transform: scale(0.7) translateY(8px); }
  15%, 75% { opacity: 1; transform: scale(1) translateY(0); }
  85%, 100% { opacity: 0.3; transform: scale(0.95) translateY(0); }
}
.da-slot-emoji { font-size: 0.75rem; display: block; }
.da-slot-word {
  font-size: 0.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.06em;
  font-family: var(--f-sans);
  text-transform: uppercase;
}
.da-sb-result {
  display: flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(34,197,94,0.12), rgba(232,163,61,0.12));
  border-radius: 8px;
  padding: 6px 10px;
  opacity: 0;
  animation: resultAppear 8s ease infinite;
}
@keyframes resultAppear {
  0%, 30% { opacity: 0; transform: translateY(4px); }
  40%, 70% { opacity: 1; transform: translateY(0); }
  80%, 100% { opacity: 0; }
}
.da-sb-speaker { font-size: 0.9rem; animation: speakerBounce 8s ease infinite; }
@keyframes speakerBounce {
  0%, 38% { transform: scale(1); }
  42% { transform: scale(1.3); }
  46% { transform: scale(1); }
  50% { transform: scale(1.2); }
  54%, 100% { transform: scale(1); }
}
.da-sb-text {
  font-family: var(--f-serif);
  font-size: 0.7rem;
  font-style: italic;
  font-weight: 600;
  color: #fff;
}

/* Fitzgerald Key tile grid */
.da-fk-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  padding: 10px;
}
.da-fk-tile {
  border-radius: 10px;
  padding: 8px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: transform 0.2s ease;
}
.da-fk-tile span:first-child { font-size: 1.1rem; }
.da-fk-tile span:last-child {
  font-size: 0.4rem;
  font-weight: 800;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.06em;
  font-family: var(--f-sans);
}
.da-fk-tapped {
  animation: fkTap 8s ease infinite;
  position: relative;
}
@keyframes fkTap {
  0%, 20% { transform: scale(1); box-shadow: none; }
  23% { transform: scale(0.85); box-shadow: 0 0 0 3px rgba(255,255,255,0.5); }
  26% { transform: scale(1.1); box-shadow: 0 0 15px rgba(255,255,255,0.2); }
  30%, 100% { transform: scale(1); box-shadow: none; }
}
.da-fk-tapped::after {
  content: '👆';
  position: absolute;
  bottom: -2px;
  right: -2px;
  font-size: 0.8rem;
  opacity: 0;
  animation: fkCursor 8s ease infinite;
}
@keyframes fkCursor {
  0%, 16% { opacity: 0; transform: translate(6px, 6px); }
  20% { opacity: 1; transform: translate(0, 0); }
  26% { opacity: 1; }
  30%, 100% { opacity: 0; }
}

/* Fitzgerald Key color legend */
.da-fk-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 1rem;
  justify-content: center;
}
.da-fk-key {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.6rem;
  color: rgba(255,255,255,0.5);
  font-family: var(--f-sans);
  font-weight: 600;
}
.da-fk-swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
}

/* Learning Area */
.da-learn-intro {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  margin-bottom: 1rem;
  font-style: italic;
}
.da-learn-categories {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 1rem;
}
.da-learn-cat {
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.da-learn-cat-header {
  padding: 6px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.da-learn-cat-icon { font-size: 0.8rem; }
.da-learn-cat-name {
  font-size: 0.65rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.05em;
  font-family: var(--f-sans);
  text-transform: uppercase;
}
.da-learn-cat-body {
  padding: 8px 10px;
}
.da-learn-desc {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.4);
  margin-bottom: 6px;
  font-family: var(--f-sans);
}
.da-learn-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.da-learn-chip {
  font-size: 0.55rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 99px;
  font-family: var(--f-sans);
}

/* Sentence structure diagram */
.da-learn-lesson {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 1rem;
}
.da-learn-lesson-title {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
  font-family: var(--f-sans);
}
.da-learn-sentence-diagram {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
}
.da-learn-block {
  text-align: center;
  border-bottom: 3px solid;
  padding: 6px 10px 4px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px 8px 0 0;
  min-width: 52px;
}
.da-learn-block-label {
  font-size: 0.45rem;
  font-weight: 700;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--f-sans);
  margin-bottom: 2px;
}
.da-learn-block-example {
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  font-family: var(--f-serif);
}
.da-learn-arrow {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.2);
  font-weight: 300;
}
.da-learn-lesson-note {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.35);
  text-align: center;
  margin-top: 8px;
  font-family: var(--f-sans);
  font-style: italic;
}

/* Progress badges */
.da-learn-progress {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
}
.da-learn-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 8px 10px;
  min-width: 56px;
  opacity: 0.35;
}
.da-learn-badge span:first-child { font-size: 0.9rem; }
.da-learn-badge span:last-child {
  font-size: 0.45rem;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
  font-family: var(--f-sans);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.da-badge-done {
  opacity: 1;
  border-color: rgba(34,197,94,0.3);
  background: rgba(34,197,94,0.08);
}
.da-badge-done span:last-child { color: var(--green); }
.da-badge-active {
  opacity: 1;
  border-color: rgba(232,163,61,0.3);
  background: rgba(232,163,61,0.08);
  animation: badgePulse 2s ease infinite;
}
.da-badge-active span:last-child { color: var(--amber); }
@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232,163,61,0.2); }
  50% { box-shadow: 0 0 0 4px rgba(232,163,61,0.08); }
}

/* ═══════════════════════════════════════════
   CONTACT FORM (dark variant — edu-green accent)
   ═══════════════════════════════════════════ */
.contact-form { max-width: 560px; margin: 2rem auto 0; text-align: left; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.cf-field { display: flex; flex-direction: column; }
.cf-field-full { margin-bottom: 1rem; }
.cf-label {
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 0.4rem; color: rgba(255,255,255,0.5);
  font-family: var(--f-sans);
}
.cf-req { color: var(--edu-green); }
.cf-input, .cf-select, .cf-textarea {
  padding: 0.75rem 1rem; border-radius: 10px; font-family: var(--f-sans);
  font-size: 0.9rem; outline: none; transition: border-color 0.3s, box-shadow 0.3s;
  border: 2px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.06); color: #fff;
}
.cf-input::placeholder, .cf-textarea::placeholder { color: rgba(255,255,255,0.3); }
.cf-input:focus, .cf-select:focus, .cf-textarea:focus {
  border-color: var(--edu-green); box-shadow: 0 0 0 3px rgba(34,197,94,0.15);
}
.cf-input.cf-invalid, .cf-select.cf-invalid, .cf-textarea.cf-invalid { border-color: #ef4444; }
.cf-select {
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem;
}
.cf-select option { background: #1a1a2e; color: #fff; }
.cf-textarea { resize: vertical; min-height: 100px; }
.cf-submit-row { text-align: center; margin-top: 1.5rem; }
.cf-submit-btn { min-width: 200px; cursor: pointer; border: none; }
.cf-submit-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.cf-btn-loading { display: inline-flex; align-items: center; gap: 0.4rem; }
.cf-spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.2); border-top-color: #fff;
  border-radius: 50%; animation: cf-spin 0.6s linear infinite;
}
@keyframes cf-spin { to { transform: rotate(360deg); } }
.cf-note { font-size: 0.72rem; margin-top: 0.8rem; color: rgba(255,255,255,0.4); }
.cf-success { text-align: center; padding: 2rem; }
.cf-success-icon {
  width: 48px; height: 48px; border-radius: 50%; background: var(--edu-green);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 700; margin: 0 auto 1rem;
}
.cf-success h4 { font-family: var(--f-serif); font-size: 1.3rem; margin-bottom: 0.5rem; color: #fff; }
.cf-success p { color: rgba(255,255,255,0.6); }
.cf-error-msg {
  background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.3);
  color: #ef4444; padding: 0.8rem 1.2rem; border-radius: 10px;
  font-size: 0.85rem; margin-top: 1rem; text-align: center;
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta-btn { display: none; }
  .hamburger { display: flex; }

  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { order: -1; max-width: 340px; margin: 0 auto; }
  .qr-scan-demo { width: 320px; height: 320px; }
  .challenge-stats { grid-template-columns: repeat(2, 1fr); }
  .sett-grid { grid-template-columns: 1fr; }
  .qr-grid { grid-template-columns: 1fr; }
  .qr-demo { grid-template-columns: repeat(3, 1fr); }
  .lang-grid { grid-template-columns: repeat(3, 1fr); }
  .lang-features { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-compare { grid-template-columns: 1fr; }
  .ambient-grid { grid-template-columns: 1fr; }
  .builder-promo-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .builder-promo-visual { max-width: 380px; margin: 0 auto; }
  .deploy-grid { grid-template-columns: 1fr; }
  .access-box { grid-template-columns: 1fr; }
  .da-showcase { grid-template-columns: 1fr; }
  .fk-why-list { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .challenge-stats { grid-template-columns: 1fr 1fr; }
  .qr-demo { grid-template-columns: repeat(2, 1fr); }
  .lang-grid { grid-template-columns: repeat(2, 1fr); }
  .feat-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .pricing-toggle { flex-direction: column; }
  .pricing-option { padding: 2rem 1.5rem; }
  .cta-form { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cf-row { grid-template-columns: 1fr; }
}
/* ── Auth Nav ── */
.nav-login-btn { padding:0.5rem 1.2rem; border-radius:100px; font-size:0.82rem; font-weight:700; color:#22c55e; border:2px solid #22c55e; text-decoration:none; transition:all 0.3s ease; letter-spacing:0.02em; }
.nav-login-btn:hover { background:#22c55e; color:#fff; transform:scale(1.05); }
.nav-user-wrap { position:relative; }
.nav-user-btn { display:flex; align-items:center; gap:0.5rem; padding:0.4rem 1rem 0.4rem 0.4rem; border-radius:100px; font-size:0.82rem; font-weight:600; color:#22c55e; border:2px solid rgba(34,197,94,0.3); cursor:pointer; transition:all 0.3s ease; background:transparent; white-space:nowrap; }
.nav-user-btn:hover { border-color:#22c55e; }
.nav-user-avatar { width:26px; height:26px; border-radius:50%; background:#22c55e; color:#000; display:flex; align-items:center; justify-content:center; font-size:0.72rem; font-weight:800; flex-shrink:0; }
.nav-user-drop { display:none; position:absolute; top:calc(100% + 0.5rem); right:0; background:#1a1a2e; border:1px solid rgba(255,255,255,0.1); border-radius:12px; padding:0.5rem; min-width:200px; z-index:1000; box-shadow:0 8px 32px rgba(0,0,0,0.4); }
.nav-user-drop.open { display:block; }
.nav-user-drop a { display:block; padding:0.6rem 1rem; color:rgba(255,255,255,0.8); font-size:0.82rem; border-radius:8px; text-decoration:none; transition:background 0.2s; cursor:pointer; }
.nav-user-drop a:hover { background:rgba(255,255,255,0.05); color:#fff; }
.nav-user-drop .drop-divider { height:1px; background:rgba(255,255,255,0.08); margin:0.3rem 0; }
.nav-user-drop .drop-signout { color:#ef4444; }
.nav-user-drop .drop-signout:hover { background:rgba(239,68,68,0.1); }
/* ── Related Resources ── */
.related-resources{padding:5rem 0;background:var(--surface-warm, #f5f0e8)}
.related-resources .container{max-width:min(1120px,88vw);margin:0 auto;padding:0 1rem}
.related-title{font-family:var(--f-serif, 'Fraunces', serif);font-size:clamp(1.6rem,3vw,2.2rem);color:var(--ink, #1a1a2e);text-align:center;margin-bottom:0.5rem}
.related-subtitle{text-align:center;color:rgba(26,26,46,0.6);font-size:1rem;margin-bottom:2.5rem}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
.related-card{background:#fff;border-radius:16px;padding:2rem;text-decoration:none;color:var(--ink, #1a1a2e);transition:transform 0.3s,box-shadow 0.3s;border:1px solid rgba(26,26,46,0.06)}
.related-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(26,26,46,0.1)}
.related-card-emoji{font-size:2rem;margin-bottom:0.75rem}
.related-card-title{font-family:var(--f-serif, 'Fraunces', serif);font-size:1.15rem;font-weight:700;margin-bottom:0.5rem}
.related-card-desc{font-size:0.9rem;color:rgba(26,26,46,0.65);line-height:1.6;margin-bottom:1rem}
.related-card-link{font-size:0.85rem;font-weight:600;color:var(--amber, #e8a33d)}
/* Language Picker */
.lang-picker { position: relative; margin-left: 0.5rem; }
.lang-picker-btn { background: none; border: 1px solid rgba(255,255,255,0.2); color: #fff; padding: 0.35rem 0.7rem; border-radius: 8px; font-size: 0.75rem; cursor: pointer; font-family: var(--f-sans); display: flex; align-items: center; gap: 0.35rem; transition: all 0.3s; white-space: nowrap; }
.lang-picker-btn:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.05); }
.lang-picker-dropdown { position: absolute; top: calc(100% + 0.5rem); right: 0; background: var(--surface-dark, #13111a); border: 1px solid rgba(255,255,255,0.12); border-radius: 14px; padding: 0.6rem; display: none; grid-template-columns: repeat(3, 1fr); gap: 0.25rem; box-shadow: 0 16px 48px rgba(0,0,0,0.6); z-index: 1001; min-width: 320px; max-height: 70vh; overflow-y: auto; }
.lang-picker-dropdown.open { display: grid; }
.lang-option { padding: 0.45rem 0.55rem; border-radius: 8px; font-size: 0.73rem; color: rgba(255,255,255,0.65); cursor: pointer; text-align: center; transition: all 0.2s; white-space: nowrap; }
.lang-option:hover { background: rgba(255,255,255,0.08); color: #fff; }
.lang-option.active { background: var(--amber, #e8a33d); color: var(--ink, #0d0b0e); font-weight: 700; }
@media (max-width: 768px) {
  .lang-picker { position: fixed; top: 0.8rem; right: 3.5rem; z-index: 1001; }
  .lang-picker-dropdown { min-width: 280px; right: -1rem; }
}