/* Loomylingo — landing page
   Dark, quiet, one accent (gold). Everything else is type and space. */

:root{
  --bg:#07070a;
  --bg-2:#0b0b10;
  --panel:#101016;
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.05);
  --text:#f2efe8;
  --muted:#9c988d;
  --muted-2:#6e6a62;
  --gold:#e0bd6a;
  --gold-dim:rgba(224,189,106,.14);
  --radius:20px;
  --maxw:1180px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed; inset:0;
  background:
    radial-gradient(900px 600px at 78% -8%, rgba(224,189,106,.10), transparent 62%),
    radial-gradient(700px 500px at 8% 12%, rgba(120,140,255,.06), transparent 60%);
  pointer-events:none; z-index:0;
}
main,header,section,footer{position:relative; z-index:1}

em{font-style:italic;color:var(--gold)}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.02em;line-height:1.12}
p{margin:0}

/* ---------------------------------- nav --------------------------------- */
.nav{
  max-width:var(--maxw); margin:0 auto;
  display:flex; align-items:center; gap:28px;
  padding:22px 26px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.02em}
.brand-mark{
  width:22px;height:22px;border-radius:50%;
  background:conic-gradient(from 200deg,var(--gold),#7c6a33,var(--gold));
  box-shadow:0 0 0 1px rgba(224,189,106,.35), 0 0 22px rgba(224,189,106,.28);
}
.brand-word{font-size:16.5px}
.nav-links{display:flex;gap:24px;margin-left:auto}
.nav-links a{font-size:14px;color:var(--muted);transition:color .18s}
.nav-links a:hover{color:var(--text)}

/* --------------------------------- buttons ------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:999px;border:1px solid transparent;
  background:var(--gold);color:#141013;font-weight:600;font-size:14.5px;
  cursor:pointer;transition:transform .16s ease, box-shadow .2s ease, background .2s;
  box-shadow:0 8px 30px -12px rgba(224,189,106,.6);
}
.btn:hover{transform:translateY(-1px);box-shadow:0 14px 40px -14px rgba(224,189,106,.75)}
.btn:active{transform:translateY(0)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-lg{padding:16px 30px;font-size:16px}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line);box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.04);box-shadow:none}

/* ---------------------------------- hero --------------------------------- */
.hero{
  max-width:var(--maxw); margin:0 auto; padding:56px 26px 30px;
  display:grid; grid-template-columns:1.06fr .94fr; gap:60px; align-items:center;
}
.eyebrow{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);margin-bottom:20px;
}
.hero h1{font-size:clamp(38px,5.1vw,66px); letter-spacing:-.035em}
.lede{margin-top:22px;font-size:17.5px;color:#c9c5bb;max-width:52ch}
.lede.sub{margin-top:14px;color:var(--muted)}
.quote{color:#e8e3d6;font-style:italic}
.hero-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.hero-facts{
  list-style:none;display:flex;gap:34px;margin:34px 0 0;padding:20px 0 0;
  border-top:1px solid var(--line-soft);flex-wrap:wrap;
}
.hero-facts li{display:flex;flex-direction:column;gap:3px}
.hero-facts b{font-size:13.5px;font-weight:600;color:var(--text)}
.hero-facts span{font-size:12.5px;color:var(--muted-2)}

/* --------------------------------- stage --------------------------------- */
.hero-stage{display:flex;flex-direction:column;align-items:center;gap:14px}
.stage-frame{
  position:relative;width:100%;max-width:430px;aspect-ratio:3/4;
  border-radius:26px;overflow:hidden;background:var(--panel);
  border:1px solid var(--line);
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.05);
  isolation:isolate;
}
.stage-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  object-position:50% 8%;
  transition:opacity .5s ease, transform .8s ease;
  background:linear-gradient(180deg,#14141a,#0a0a0e);
}
.stage-active{opacity:0}
.stage-frame.speaking .stage-active{opacity:1}
.stage-frame.speaking .stage-idle{opacity:0}
.stage-frame.speaking #stageIdle{opacity:0}
.stage-glow{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 80% at 50% 110%, rgba(7,7,10,.92), transparent 60%);
}
.stage-frame.speaking .stage-glow{
  background:radial-gradient(120% 80% at 50% 110%, rgba(7,7,10,.92), transparent 60%),
             radial-gradient(70% 50% at 50% 50%, rgba(224,189,106,.12), transparent 70%);
}
.stage-top{
  position:absolute;top:14px;left:14px;z-index:3;
  display:flex;align-items:center;gap:8px;
  padding:7px 13px;border-radius:999px;
  background:rgba(8,8,11,.62);backdrop-filter:blur(10px);
  border:1px solid var(--line);font-size:12.5px;
}
.live-dot{width:6px;height:6px;border-radius:50%;background:#5ee08a;box-shadow:0 0 10px #5ee08a}
.stage-bottom{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:3;
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  font-size:12px;color:var(--muted);
}
.stage-state{
  padding:6px 12px;border-radius:999px;background:rgba(8,8,11,.62);
  backdrop-filter:blur(10px);border:1px solid var(--line);
  color:#cfcabd;text-transform:lowercase;
}
.stage-frame.speaking .stage-state{color:var(--gold);border-color:rgba(224,189,106,.4)}
.stage-voice{
  padding:6px 12px;border-radius:999px;background:rgba(8,8,11,.5);
  border:1px solid var(--line-soft);backdrop-filter:blur(10px);
}
.wave{
  position:absolute;left:0;right:0;bottom:56px;z-index:3;
  height:26px;display:flex;align-items:flex-end;justify-content:center;gap:4px;
  opacity:0;transition:opacity .3s;
}
.stage-frame.speaking .wave{opacity:1}
.wave i{
  width:3px;height:6px;border-radius:2px;background:var(--gold);
  animation:bar 1s ease-in-out infinite;
}
.wave i:nth-child(2){animation-delay:.1s}
.wave i:nth-child(3){animation-delay:.22s}
.wave i:nth-child(4){animation-delay:.08s}
.wave i:nth-child(5){animation-delay:.3s}
.wave i:nth-child(6){animation-delay:.16s}
.wave i:nth-child(7){animation-delay:.26s}
@keyframes bar{0%,100%{height:5px}50%{height:22px}}
.stage-hint{font-size:12.5px;color:var(--muted-2);text-align:center;margin:0}

/* -------------------------------- sections ------------------------------- */
section{padding:92px 26px}
.sec-head{max-width:820px;margin:0 auto 46px}
.sec-head h2{font-size:clamp(27px,3.4vw,42px);letter-spacing:-.03em}
.sec-head p{margin-top:16px;color:var(--muted);font-size:16.5px;max-width:66ch}

/* -------------------------------- teachers ------------------------------- */
.teachers{max-width:var(--maxw);margin:0 auto;padding-top:64px}
.avatar-strip{
  display:grid;grid-template-columns:repeat(6,1fr);gap:14px;
  max-width:var(--maxw);margin:0 auto;
}
/* Every teacher image is 3:4 — the tiles MUST use the same ratio or the crop
   cuts foreheads and chins. Never square them. */
.avatar-tile{
  position:relative;aspect-ratio:3/4;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);background:var(--panel);cursor:pointer;padding:0;
  transition:transform .18s ease,border-color .18s ease,box-shadow .2s;
}
.avatar-tile img{width:100%;height:100%;object-fit:cover;object-position:50% 0%;display:block}
.avatar-tile span{
  position:absolute;left:0;right:0;bottom:0;padding:18px 9px 8px;
  font-size:11.5px;color:#e6e2d8;text-align:center;
  background:linear-gradient(180deg,transparent,rgba(6,6,9,.9));
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.avatar-tile:hover{transform:translateY(-3px);border-color:rgba(224,189,106,.4)}
.avatar-tile.is-on{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold),0 16px 40px -22px rgba(224,189,106,.8)}
.avatar-skeleton{
  aspect-ratio:3/4;border-radius:16px;border:1px solid var(--line-soft);
  background:linear-gradient(100deg,#0d0d12,#141419,#0d0d12);
  background-size:200% 100%;animation:sh 1.6s linear infinite;
}
@keyframes sh{to{background-position:-200% 0}}

/* --------------------------------- method -------------------------------- */
.method{max-width:var(--maxw);margin:0 auto}
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.step{
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));
  border:1px solid var(--line-soft);border-radius:var(--radius);padding:24px 22px;
}
.step-n{
  font-size:11.5px;letter-spacing:.14em;color:var(--gold);
  display:block;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:10px;letter-spacing:-.01em}
.step p{font-size:14.2px;color:var(--muted);line-height:1.62}

.correction-demo{
  margin-top:22px;padding:28px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--bg-2);
}
.line{display:grid;grid-template-columns:88px 1fr;gap:18px;padding:12px 0}
.line + .line{border-top:1px solid var(--line-soft)}
.line span{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);padding-top:3px}
.line p{font-size:16px;color:#ddd9cf}
.line.you span{color:var(--muted)}
.line.them span{color:var(--gold)}
.line.them p{color:#f4f1e9}
.line b{color:var(--gold);font-weight:600}
.demo-note{margin-top:18px;font-size:13.5px;color:var(--muted-2);max-width:78ch;line-height:1.6}

/* --------------------------------- modes --------------------------------- */
.modes{max-width:var(--maxw);margin:0 auto}
.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mode{
  border:1px solid var(--line-soft);border-radius:var(--radius);padding:30px 28px;
  background:linear-gradient(180deg,rgba(255,255,255,.03),transparent);
}
.mode h3{font-size:21px;letter-spacing:-.02em}
.mode-sub{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-top:8px}
.mode ul{margin:20px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.mode li{position:relative;padding-left:18px;font-size:14.5px;color:#bdb9af;line-height:1.6}
.mode li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--gold);opacity:.7}
.mode-goal{margin-top:22px;padding-top:16px;border-top:1px solid var(--line-soft);font-size:13.5px;color:var(--muted)}

/* --------------------------------- voices -------------------------------- */
.voices{max-width:var(--maxw);margin:0 auto}
.voice-row{display:flex;gap:10px;flex-wrap:wrap}
.voice-chip{
  padding:12px 20px;border-radius:999px;cursor:pointer;
  background:transparent;border:1px solid var(--line);color:var(--muted);
  font-family:inherit;font-size:14px;transition:.18s;
}
.voice-chip:hover{color:var(--text);border-color:rgba(255,255,255,.2)}
.voice-chip.is-on{background:var(--gold-dim);border-color:rgba(224,189,106,.55);color:#f6ecd4}
.voice-note{margin-top:18px;font-size:13px;color:var(--muted-2)}

/* --------------------------------- start --------------------------------- */
.start{max-width:var(--maxw);margin:0 auto}
.start-card{
  border:1px solid var(--line);border-radius:28px;padding:64px 32px;text-align:center;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(224,189,106,.10), transparent 70%),
    linear-gradient(180deg,#0e0e14,#0a0a0e);
}
.start-card h2{font-size:clamp(26px,3.2vw,38px)}
.start-card p{margin-top:14px;color:var(--muted);font-size:16px}
.start-card .btn{margin-top:28px}
.micro{margin-top:18px;font-size:12.5px;color:var(--muted-2)}

/* --------------------------------- foot ---------------------------------- */
.foot{
  max-width:var(--maxw);margin:0 auto;padding:40px 26px 60px;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
  border-top:1px solid var(--line-soft);flex-wrap:wrap;
}
.foot-note{font-size:12.5px;color:var(--muted-2)}

/* ------------------------------- responsive ------------------------------ */
@media (max-width:1000px){
  .steps{grid-template-columns:1fr 1fr}
  .avatar-strip{grid-template-columns:repeat(4,1fr)}
  .hero{grid-template-columns:1fr;gap:44px;padding-top:30px}
  .hero-stage{order:-1}
  .stage-frame{max-width:360px}
}
@media (max-width:720px){
  .nav-links{display:none}
  .nav{padding:16px 18px}
  section{padding:64px 18px}
  .hero{padding:10px 18px 20px}
  .steps{grid-template-columns:1fr}
  .mode-grid{grid-template-columns:1fr}
  .avatar-strip{grid-template-columns:repeat(3,1fr);gap:10px}
  .hero-facts{gap:20px}
  .line{grid-template-columns:1fr;gap:6px}
  .start-card{padding:44px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}