/* ============================================================
   Sprout — marketing site
   ============================================================ */

:root{
  --ink:#0a0a0c;
  --ink-2:#111116;
  --paper:#f7f4f0;
  --paper-2:#efeae3;
  --text:#121214;
  --text-d:#f2ede8;
  --muted:#8c8781;
  --muted-d:#9a948f;
  --coral:#ff6a45;
  --coral-soft:#ff8a68;
  --green:#6fbf7b;
  --amber:#f5ce5c;
  --line:rgba(18,18,20,.12);
  --line-d:rgba(255,255,255,.12);
  --r:26px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 30px 80px -30px rgba(20,18,16,.35);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink);
  color:var(--text-d);
  font-family:"Inter","SF Pro Text",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
html[data-lang="zh"] body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;letter-spacing:.01em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.03em;line-height:1.08}
p{margin:0}

.grain{
  position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

/* ── buttons ─────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.95rem 1.6rem;border-radius:999px;font-size:.95rem;font-weight:550;
  letter-spacing:-.01em;transition:transform .3s var(--ease),background .3s,box-shadow .3s,color .3s;
  white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#160a06;box-shadow:0 12px 30px -12px rgba(255,106,69,.9)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(255,106,69,.95)}
.btn-ghost{border:1px solid rgba(255,255,255,.22);color:var(--text-d);background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(255,255,255,.09);transform:translateY(-2px)}
.btn-sm{padding:.55rem 1.05rem;font-size:.85rem}

html[data-lang="zh"] .hero-title{font-size:clamp(2.2rem,4.4vw,3.6rem);letter-spacing:-.02em;line-height:1.16}
html[data-lang="zh"] .sec-head h2{letter-spacing:-.01em;line-height:1.2}
html[data-lang="zh"] .card h3{letter-spacing:0}

/* ── nav ─────────────────────────────────────────────── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.05rem clamp(1.1rem,4vw,2.6rem);
  transition:background .4s,backdrop-filter .4s,border-color .4s,padding .4s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(8,8,10,.88);backdrop-filter:blur(18px) saturate(1.3);
  border-bottom-color:rgba(255,255,255,.08);box-shadow:0 14px 40px -30px #000;
  padding-top:.7rem;padding-bottom:.7rem;
}
.lang-btn ~ .btn-ghost{margin-left:.1rem}
.brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:650;letter-spacing:-.02em;font-size:1.05rem}
.brand-mark{width:22px;height:22px;color:var(--green)}
.nav-links{display:flex;gap:1.7rem;font-size:.9rem;color:var(--muted-d)}
.nav-links a{position:relative;transition:color .25s}
.nav-links a:hover{color:#fff}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;height:1px;width:0;background:var(--coral);
  transition:width .3s var(--ease);
}
.nav-links a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:.55rem}
.lang-btn{
  border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:.45rem .85rem;
  font-size:.8rem;letter-spacing:.04em;color:var(--muted-d);transition:.3s;
}
.lang-btn:hover{color:#fff;border-color:rgba(255,255,255,.45)}
.lang-btn .lang-en{display:inline}
.lang-btn .lang-zh{display:none}
html[data-lang="zh"] .lang-btn .lang-en{display:none}
html[data-lang="zh"] .lang-btn .lang-zh{display:inline}

/* ── hero ────────────────────────────────────────────── */
.hero{
  position:relative;min-height:100svh;display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  align-items:center;gap:clamp(1rem,4vw,3rem);
  padding:9rem clamp(1.2rem,5vw,4rem) 5rem;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:blobFloat 18s ease-in-out infinite}
.b1{width:520px;height:520px;background:radial-gradient(circle,#ff6a45 0%,transparent 68%);top:-8%;left:-6%}
.b2{width:460px;height:460px;background:radial-gradient(circle,#7b6cf6 0%,transparent 70%);bottom:-14%;right:32%;opacity:.32;animation-delay:-6s}
.b3{width:380px;height:380px;background:radial-gradient(circle,#6fbf7b 0%,transparent 70%);top:30%;right:2%;opacity:.22;animation-delay:-11s}
@keyframes blobFloat{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(24px,-32px,0) scale(1.08)}
}
.hero-inner{position:relative;z-index:2;max-width:620px}
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-d);
  margin-bottom:1.6rem;
}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 0 rgba(255,106,69,.7);animation:pulseDot 2.4s infinite}
@keyframes pulseDot{
  0%{box-shadow:0 0 0 0 rgba(255,106,69,.6)}
  70%{box-shadow:0 0 0 12px rgba(255,106,69,0)}
  100%{box-shadow:0 0 0 0 rgba(255,106,69,0)}
}
.hero-title{font-size:clamp(2.6rem,5.6vw,4.6rem);letter-spacing:-.045em}
.hero-title .muted{color:#8b8580}
.hero-sub{margin-top:1.7rem;font-size:clamp(1rem,1.25vw,1.12rem);color:#b7b1ab;max-width:33em;line-height:1.75}
.cta-row{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:2.2rem}
.hero-stats{
  display:flex;gap:clamp(1.2rem,3vw,2.6rem);margin-top:3.4rem;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.09);padding-top:1.5rem;
}
.hero-stats div{display:flex;flex-direction:column;gap:.15rem}
.hero-stats b{font-size:1.32rem;font-weight:600;letter-spacing:-.03em}
.hero-stats b span{font-size:.72em;color:var(--muted-d);margin-left:1px}
.hero-stats span{font-size:.76rem;color:var(--muted);letter-spacing:.02em}

.hero-stage{position:relative;z-index:2;display:grid;place-items:center}
.halo{
  position:absolute;width:min(46vw,560px);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,69,.45),rgba(255,106,69,0) 62%);
  filter:blur(28px);animation:haloPulse 6s ease-in-out infinite;
}
@keyframes haloPulse{0%,100%{transform:scale(.94);opacity:.75}50%{transform:scale(1.06);opacity:1}}
.ring{
  position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.12);
}
.r1{width:min(38vw,470px);aspect-ratio:1;animation:spin 44s linear infinite}
.r2{width:min(48vw,590px);aspect-ratio:1;border-style:dashed;border-color:rgba(255,255,255,.07);animation:spin 70s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}

.hero-shot{
  position:relative;margin:0;width:min(76%,470px);
  filter:drop-shadow(0 40px 60px rgba(0,0,0,.55));
  animation:float 7s ease-in-out infinite;
  will-change:transform;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.hero-shot img{
  width:100%;height:auto;border-radius:28px;
  box-shadow:0 50px 100px -40px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.09);
}
.float-card{z-index:3}

.float-card{
  position:absolute;display:flex;flex-direction:column;gap:.1rem;
  padding:.6rem .85rem;border-radius:14px;
  background:rgba(24,22,22,.72);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(14px);box-shadow:0 14px 40px -18px #000;
  animation:cardFloat 5.5s ease-in-out infinite;
}
.fc-temp{top:12%;left:-18%}
.fc-focus{bottom:16%;right:-14%;animation-delay:-2.4s}
@keyframes cardFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.fc-label{font-size:.63rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-d)}
.fc-value{font-size:1.05rem;font-weight:600;color:#fff;letter-spacing:-.02em}
.fc-value em{font-style:normal;font-size:.68em;color:var(--muted-d);margin-left:1px}

.scroll-hint{
  position:absolute;left:50%;bottom:1.6rem;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.5rem;
  font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
  z-index:3;
}
.scroll-hint i{display:block;width:1px;height:34px;background:linear-gradient(rgba(255,255,255,.5),transparent);animation:hint 2.2s infinite}
@keyframes hint{0%{transform:scaleY(.3);opacity:.3}50%{transform:scaleY(1);opacity:1}100%{transform:scaleY(.3);opacity:.3}}

/* ── marquee ─────────────────────────────────────────── */
.marquee{
  border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);
  overflow:hidden;padding:1.1rem 0;background:#0d0d11;
}
.marquee-track{display:flex;gap:2.6rem;width:max-content;animation:marq 46s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marq{to{transform:translateX(-50%)}}
.marquee-track img{width:38px;height:38px;border-radius:50%;opacity:.55;transition:.3s}
.marquee-track img:hover{opacity:1;transform:scale(1.18)}

/* ── sections ────────────────────────────────────────── */
.section{position:relative;padding:clamp(5rem,10vw,8.5rem) clamp(1.2rem,5vw,4rem);background:var(--paper);color:var(--text)}
.section.dark{background:var(--ink);color:var(--text-d)}
.section.tinted{background:var(--paper-2)}
.section > *{max-width:var(--maxw);margin-inline:auto}
.sec-head{max-width:660px;margin-bottom:clamp(2.6rem,5vw,4rem)}
.kicker{font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--coral);margin-bottom:1rem;font-weight:600}
.sec-head h2{font-size:clamp(2rem,3.6vw,3.05rem);letter-spacing:-.04em}
.sec-lead{margin-top:1.25rem;color:#6b6660;font-size:1.02rem;line-height:1.75;max-width:52ch}
.dark .sec-lead{color:#a29b95}

/* ── feature cards ───────────────────────────────────── */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.card{
  position:relative;padding:1.7rem 1.6rem 1.9rem;border-radius:var(--r);
  background:#fff;border:1px solid rgba(18,18,20,.07);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s;
  overflow:hidden;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(340px circle at var(--mx,50%) var(--my,0%),rgba(255,106,69,.1),transparent 60%);
  opacity:0;transition:opacity .4s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(255,106,69,.25)}
.card:hover::after{opacity:1}
.card-ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(255,106,69,.1);color:var(--coral);margin-bottom:1.15rem}
.card-ico svg{width:22px;height:22px}
.card h3{font-size:1.12rem;letter-spacing:-.02em;margin-bottom:.55rem}
.card p{font-size:.92rem;color:#6b6660;line-height:1.7}
.card-tag{
  display:inline-block;margin-top:1.1rem;font-size:.7rem;letter-spacing:.09em;text-transform:uppercase;
  color:#8a8580;border:1px solid rgba(18,18,20,.1);border-radius:999px;padding:.28rem .6rem;
}

/* ── awareness ───────────────────────────────────────── */
.aware-grid{
  display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;
}
.state-list{list-style:none;padding:0;margin:2.4rem 0 0;display:grid;gap:1.1rem}
.state-list li{display:flex;gap:.95rem;align-items:flex-start}
.sw{width:11px;height:11px;border-radius:50%;margin-top:.42rem;flex:none;box-shadow:0 0 0 5px rgba(255,255,255,.04)}
.sw.chill{background:#6fbf7b}
.sw.warm{background:var(--amber)}
.sw.hot{background:var(--coral)}
.state-list b{display:block;font-size:.98rem;font-weight:600;margin-bottom:.12rem}
.state-list span{font-size:.87rem;color:#a29b95}

.panel{
  position:relative;border-radius:30px;padding:1.5rem 1.6rem 1.7rem;
  background:linear-gradient(165deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 40px 90px -40px #000;
  backdrop-filter:blur(6px);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.3rem}
.panel-title{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-d)}
.panel-live{display:inline-flex;align-items:center;gap:.4rem;font-size:.72rem;color:#8ee0a0;letter-spacing:.06em}
.panel-live i{width:6px;height:6px;border-radius:50%;background:#6fbf7b;animation:pulseDot 2s infinite}
.gauge-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.gauge{position:relative;display:grid;place-items:center}
.gauge svg{width:100%;max-width:150px;transform:rotate(-90deg)}
.g-track,.g-fill{fill:none;stroke-width:7;stroke-linecap:round}
.g-track{stroke:rgba(255,255,255,.1)}
.g-fill{stroke:var(--coral);stroke-dasharray:327;stroke-dashoffset:200;transition:stroke-dashoffset 1.4s var(--ease);filter:drop-shadow(0 0 8px rgba(255,106,69,.5))}
.gauge[data-gauge="load"] .g-fill{stroke:#8ab4ff;filter:drop-shadow(0 0 8px rgba(138,180,255,.45))}
.gauge-txt{position:absolute;display:flex;flex-direction:column;align-items:center;gap:.05rem}
.gauge-txt b{font-size:1.5rem;font-weight:600;letter-spacing:-.03em}
.gauge-txt em{font-style:normal;font-size:.62rem;color:var(--muted-d);position:absolute;right:-1.1rem;top:.28rem}
.gauge-txt span{font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:.15rem}
.panel-rows{margin-top:1.4rem;border-top:1px solid rgba(255,255,255,.08);padding-top:.5rem}
.prow{display:flex;justify-content:space-between;align-items:center;padding:.62rem 0;font-size:.88rem;color:#b5aea8;border-bottom:1px solid rgba(255,255,255,.05)}
.prow:last-child{border:0}
.prow b{color:#fff;font-weight:550;font-variant-numeric:tabular-nums}
.eq{display:flex;align-items:flex-end;gap:4px;height:44px;margin-top:1.2rem;opacity:.85}
.eq span{flex:1;background:linear-gradient(180deg,var(--coral),rgba(255,106,69,.15));border-radius:3px;height:12%;transition:height .18s ease}

/* ── expressions ─────────────────────────────────────── */
.expr-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:.7rem}
.expr-tile{
  position:relative;aspect-ratio:1;border-radius:50%;padding:0;overflow:visible;
  background:transparent;border:0;
  transition:transform .35s var(--ease),filter .35s;
  filter:drop-shadow(0 8px 16px rgba(20,16,14,.12));
}
.expr-tile img{width:100%;height:100%;object-fit:contain;transition:transform .45s var(--ease)}
.expr-tile:hover{transform:translateY(-5px) scale(1.04);filter:drop-shadow(0 16px 26px rgba(20,16,14,.22))}
.expr-tile.is-on{filter:drop-shadow(0 0 0 rgba(0,0,0,0)) drop-shadow(0 10px 22px rgba(255,106,69,.45))}
.expr-tile.is-on::before{
  content:"";position:absolute;inset:-3px;border-radius:50%;border:2px solid var(--coral);
}
.expr-tile::after{
  content:attr(data-name);position:absolute;left:50%;bottom:-8px;transform:translate(-50%,0);
  font-size:.6rem;letter-spacing:.04em;color:#fff;background:rgba(10,10,12,.9);
  padding:.16rem .42rem;border-radius:6px;opacity:0;transition:.3s;white-space:nowrap;pointer-events:none;
}
.expr-tile:hover::after{opacity:1;bottom:-2px}
.expr-foot{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;margin-top:2.2rem;flex-wrap:wrap}
.expr-now{display:flex;align-items:center;gap:.9rem}
.expr-now img{width:52px;height:52px;border-radius:50%;border:1px solid var(--line);transition:transform .4s var(--ease)}
.expr-now b{display:block;font-size:.98rem;letter-spacing:-.01em}
.expr-now span{font-size:.86rem;color:#6b6660}
.expr-hint{font-size:.78rem;color:#8a8580}

/* ── colors ──────────────────────────────────────────── */
.color-stage{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.color-visual{position:relative;display:grid;place-items:center;min-height:420px}
.color-visual img{width:min(76%,360px);transition:opacity .45s,transform .6s var(--ease);border-radius:24px}
.color-visual.swapping img{opacity:0;transform:scale(.96)}
.color-glow{
  position:absolute;width:320px;height:320px;border-radius:50%;filter:blur(70px);opacity:.5;
  background:var(--coral);transition:background .5s;z-index:-1;
}
.swatches{display:grid;gap:.4rem;max-width:380px}
.swatch{
  display:flex;align-items:center;gap:.85rem;padding:.7rem .95rem;border-radius:15px;
  border:1px solid transparent;transition:.3s;text-align:left;
}
.swatch:hover{background:rgba(18,18,20,.045)}
.swatch.active{border-color:rgba(18,18,20,.16);background:#fff;box-shadow:0 10px 28px -20px rgba(0,0,0,.5)}
.swatch i{width:26px;height:26px;border-radius:50%;background:var(--c);border:1px solid rgba(0,0,0,.12);flex:none;transition:transform .3s}
.swatch.active i{transform:scale(1.1)}
.swatch span{font-size:.95rem}
.color-note{margin-top:1.3rem;font-size:.84rem;color:#8a8580;max-width:34ch}

/* ── teardown ────────────────────────────────────────── */
.teardown{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.td-img{
  padding:16px;border-radius:30px;
  background:linear-gradient(155deg,#f8f5f1,#ece7e0);
  box-shadow:0 50px 90px -40px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.12);
}
.td-img img{width:100%;border-radius:18px}
.td-list{list-style:none;padding:0;margin:0;display:grid;gap:1.35rem}
.td-list li{position:relative;padding-left:1.9rem}
.td-list li::before{
  content:"";position:absolute;left:0;top:.55rem;width:9px;height:9px;border-radius:50%;
  background:var(--coral);box-shadow:0 0 0 5px rgba(255,106,69,.12);
}
.td-list b{display:block;font-size:1rem;font-weight:600;margin-bottom:.18rem}
.td-list span{font-size:.88rem;color:#a29b95}

/* ── specs ───────────────────────────────────────────── */
.spec-table{border-top:1px solid var(--line)}
.srow{
  display:grid;grid-template-columns:minmax(120px,.4fr) 1fr;gap:1.5rem;
  padding:1.05rem .2rem;border-bottom:1px solid var(--line);
  transition:background .3s,padding .3s;
}
.srow:hover{background:rgba(255,106,69,.04);padding-left:.8rem}
.srow dt{color:#8a8580;font-size:.88rem}
.srow dd{margin:0;font-size:.95rem;font-weight:500}
.spec-note{margin-top:2rem;display:flex;gap:.6rem;flex-wrap:wrap;font-size:.9rem;color:#6b6660}
.spec-note a{color:var(--coral);font-weight:550}
.spec-note a:hover{text-decoration:underline}

/* ── CTA ─────────────────────────────────────────────── */
.cta-sec{
  position:relative;padding:clamp(5rem,10vw,9rem) clamp(1.2rem,5vw,4rem);
  background:#08080a;text-align:center;overflow:hidden;
}
.cta-glow{
  position:absolute;left:50%;top:20%;width:min(80vw,780px);aspect-ratio:1;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(255,106,69,.22),transparent 65%);filter:blur(50px);
  animation:haloPulse 8s ease-in-out infinite;
}
.cta-inner{position:relative;max-width:640px;margin-inline:auto}
.cta-inner h2{font-size:clamp(2rem,4vw,3.1rem);letter-spacing:-.04em}
.cta-inner p{margin-top:1.1rem;color:#a29b95;font-size:1.02rem}
.signup{display:flex;gap:.6rem;margin:2.2rem auto 0;max-width:430px}
.signup input{
  flex:1;padding:.95rem 1.15rem;border-radius:999px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.05);color:#fff;font:inherit;font-size:.92rem;outline:none;transition:.3s;
}
.signup input::placeholder{color:#7b7570}
.signup input:focus{border-color:var(--coral);background:rgba(255,255,255,.08)}
.tiny{margin-top:1.2rem;font-size:.74rem;color:#6d6762}

/* ── footer ──────────────────────────────────────────── */
.foot{background:#08080a;border-top:1px solid rgba(255,255,255,.08);padding:2.6rem clamp(1.2rem,5vw,4rem) 2.2rem}
.foot-top{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;max-width:var(--maxw);margin-inline:auto}
.foot-links{display:flex;gap:1.5rem;font-size:.86rem;color:var(--muted-d);flex-wrap:wrap}
.foot-links a:hover{color:#fff}
.foot-bottom{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  max-width:var(--maxw);margin:1.8rem auto 0;padding-top:1.2rem;
  border-top:1px solid rgba(255,255,255,.06);font-size:.76rem;color:#6d6762;
}

/* ── reveal ──────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ── responsive ──────────────────────────────────────── */
@media (max-width:1080px){
  .nav-links{display:none}
  .hero{grid-template-columns:1fr;padding-top:7.5rem;text-align:center;min-height:auto}
  .hero-inner{margin-inline:auto}
  .hero-sub{margin-inline:auto}
  .cta-row,.hero-stats{justify-content:center}
  .hero-stage{margin-top:3rem}
  .hero-shot{width:min(66%,360px)}
  .fc-temp{left:-6%}
  .fc-focus{right:-4%}
  .cards{grid-template-columns:repeat(2,1fr)}
  .aware-grid,.color-stage,.teardown{grid-template-columns:1fr}
  .expr-grid{grid-template-columns:repeat(5,1fr)}
  .scroll-hint{display:none}
}
@media (max-width:640px){
  .hero{padding-top:6.5rem}
  .cards{grid-template-columns:1fr}
  .expr-grid{grid-template-columns:repeat(4,1fr)}
  .srow{grid-template-columns:1fr;gap:.25rem}
  .signup{flex-direction:column}
  .hero-stats{gap:1.2rem}
  .hero-stats b{font-size:1.1rem}
  .float-card{display:none}
  .color-visual{min-height:300px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   Motion layer: loader, progress, rail, split text, turn,
   mood simulator, timeline, spotlight, particles
   ============================================================ */

/* ── preloader ── */
.loader{
  position:fixed;inset:0;z-index:9998;display:grid;place-content:center;justify-items:center;gap:1.4rem;
  background:#08080a;transition:opacity .7s var(--ease),visibility .7s;
  animation:loaderOut .7s var(--ease) 2.4s forwards;
}
@keyframes loaderOut{to{opacity:0;visibility:hidden}}
body.loaded .loader{opacity:0;visibility:hidden;animation:none}
.loader-mark{display:flex;align-items:center;gap:.6rem;color:#f2ede8;font-weight:600;letter-spacing:-.02em;font-size:1.1rem}
.loader-mark svg{width:26px;height:26px}
.loader-mark svg path{stroke-dasharray:40;stroke-dashoffset:40;animation:draw 1.4s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.loader-bar{width:150px;height:2px;background:rgba(255,255,255,.12);overflow:hidden;border-radius:2px}
.loader-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--coral),#ffb199);animation:loadBar 1.6s var(--ease) forwards}
@keyframes loadBar{to{width:100%}}

/* ── scroll progress ── */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;pointer-events:none}
.progress i{
  display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--coral),#ffb199);
  box-shadow:0 0 12px rgba(255,106,69,.8);
  transition:transform .08s linear;
}

/* ── section rail ── */
.rail{
  position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:90;
  display:flex;flex-direction:column;gap:15px;
}
.rail button{
  position:relative;width:7px;height:7px;border-radius:50%;background:#121214;padding:0;
  box-shadow:0 0 0 1.5px rgba(255,255,255,.75),0 0 0 4px rgba(0,0,0,.06);
  opacity:.45;transition:opacity .3s,transform .3s,background .3s;
}
.rail button:hover{opacity:.95;transform:scale(1.4)}
.rail button.on{opacity:1;transform:scale(1.45);background:var(--coral);box-shadow:0 0 0 1.5px rgba(255,255,255,.9),0 0 12px 2px rgba(255,106,69,.5)}
.rail button::after{
  content:attr(data-label);position:absolute;right:18px;top:50%;transform:translateY(-50%) translateX(6px);
  font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;
  color:#fff;background:rgba(10,10,12,.85);padding:.2rem .5rem;border-radius:6px;
  opacity:0;pointer-events:none;transition:.25s;mix-blend-mode:normal;
}
.rail button:hover::after{opacity:1;transform:translateY(-50%) translateX(0)}

/* ── split text ── */
.w{display:inline-block;vertical-align:bottom}
.w i{
  display:inline-block;font-style:normal;transform:translateY(34%);opacity:0;filter:blur(7px);
  transition:transform .95s var(--ease),opacity .8s var(--ease),filter .95s var(--ease);
}
.in .w i,.no-reveal .w i{transform:translateY(0);opacity:1;filter:blur(0)}

/* ── hero particles ── */
#dust{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.85}

/* ── dark-section spotlight ── */
.section.dark::before,.turn::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(560px circle at var(--sx,50%) var(--sy,10%),rgba(255,106,69,.10),transparent 62%);
  transition:background .4s;
}

/* ── magnetic buttons ── */
.btn{will-change:transform}

/* ── card 3D tilt ── */
.card{transform-style:preserve-3d;will-change:transform}
.card:hover{transform:perspective(800px) translateY(-6px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg))}

/* ── turn section ── */
.turn{position:relative;height:330vh;background:var(--ink);color:var(--text-d)}
.turn-sticky{
  position:sticky;top:0;height:100vh;display:grid;grid-template-columns:1fr 1fr;
  align-items:center;gap:clamp(1.5rem,4vw,3.5rem);
  max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.2rem,5vw,4rem);
}
.turn-copy{position:relative;z-index:2;max-width:520px}
.turn-copy h2{font-size:clamp(2rem,3.6vw,3rem);letter-spacing:-.04em;margin-bottom:1.1rem}
.turn-lede{color:#a29b95;font-size:1rem;line-height:1.75;max-width:42ch}
.turn-steps{margin-top:2.2rem;display:grid;gap:.15rem}
.turn-cap{
  display:flex;gap:.75rem;align-items:baseline;padding:.7rem 0;border-top:1px solid rgba(255,255,255,.08);
  opacity:.3;transform:translateX(-4px);transition:opacity .45s var(--ease),transform .45s var(--ease);
}
.turn-cap.is-on{opacity:1;transform:none}
.turn-cap b{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--coral);min-width:64px}
.turn-cap span{font-size:.9rem;color:#b7b1ab}
.turn-stage{position:relative;display:grid;place-items:center;min-height:62vh;perspective:1100px}
.turn-halo{
  position:absolute;width:min(38vw,420px);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,69,.42),transparent 62%);filter:blur(40px);
  animation:haloPulse 7s ease-in-out infinite;
}
.turn-arc{
  position:absolute;width:min(34vw,380px);aspect-ratio:1;border-radius:50%;
  border:1px dashed rgba(255,255,255,.14);
  border-top-color:rgba(255,106,69,.7);
  animation:spin 26s linear infinite;
}
.turn-deck{
  position:relative;width:min(58%,340px);aspect-ratio:1;border-radius:50%;
  transform-style:preserve-3d;transition:transform .12s linear;
  overflow:hidden;
  box-shadow:0 50px 90px -30px rgba(0,0,0,.95),0 0 0 1px rgba(255,255,255,.12),0 0 60px -10px rgba(255,106,69,.35);
}
.turn-deck img{width:100%;height:100%;object-fit:cover;transform:scale(1.08)}
.turn-glow{
  position:absolute;left:50%;bottom:6%;transform:translateX(-50%);
  width:60%;height:10px;border-radius:50%;background:rgba(255,106,69,.35);filter:blur(14px);
}
.turn-angle{
  position:absolute;bottom:-2%;left:50%;transform:translateX(-50%);
  display:flex;align-items:baseline;gap:.1rem;color:#fff;font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;padding:.35rem .7rem;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(8px);
}
.turn-angle b{font-size:1.1rem;font-weight:600}
.turn-angle em{font-style:normal;font-size:.68rem;color:var(--muted-d)}

/* ── mood simulator ── */
.mood{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,4rem);align-items:center;
  margin-top:clamp(3rem,6vw,5rem);padding-top:clamp(2rem,4vw,3rem);
  border-top:1px solid var(--line);
}
.mood-stage{position:relative;display:grid;place-items:center;min-height:300px}
.mood-halo{
  position:absolute;width:260px;height:260px;border-radius:50%;filter:blur(50px);opacity:.55;
  background:#ff8a68;transition:background .6s,transform .6s;
}
.mood-stage img{
  width:180px;height:180px;border-radius:50%;position:relative;z-index:2;
  filter:drop-shadow(0 26px 40px rgba(20,16,14,.28));
  transition:transform .5s var(--ease),opacity .35s;
}
.mood-stage.swap img{transform:scale(.86);opacity:.3}
.mood-side h3{font-size:clamp(1.4rem,2.4vw,1.9rem);letter-spacing:-.03em;margin:.4rem 0 1.2rem}
.mood-chips{display:flex;gap:.5rem;flex-wrap:wrap}
.chip{
  padding:.55rem 1rem;border-radius:999px;border:1px solid var(--line);
  font-size:.86rem;color:#6b6660;background:#fff;transition:.3s var(--ease);
}
.chip:hover{transform:translateY(-2px);border-color:rgba(18,18,20,.25)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.mood-note{margin-top:1.3rem;font-size:.92rem;color:#6b6660;min-height:3.2em;line-height:1.65}

/* ── timeline ── */
.timeline{position:relative;padding-left:2.8rem;max-width:780px}
.tl-line{position:absolute;left:9px;top:.4rem;bottom:.4rem;width:2px;background:rgba(18,18,20,.1);overflow:hidden}
.tl-line i{display:block;width:100%;height:100%;transform:scaleY(0);transform-origin:top;background:linear-gradient(180deg,var(--coral),#ffb199)}
.tl-item{position:relative;display:grid;grid-template-columns:74px 1fr;gap:1.4rem;padding:1.4rem 0}
.tl-item::before{
  content:"";position:absolute;left:-2.8rem;top:1.85rem;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2px solid rgba(18,18,20,.18);transition:border-color .4s,background .4s,box-shadow .4s;
}
.tl-item.in::before{border-color:var(--coral);background:var(--coral);box-shadow:0 0 0 5px rgba(255,106,69,.14)}
.tl-item time{font-size:.82rem;letter-spacing:.06em;color:#8a8580;font-variant-numeric:tabular-nums;padding-top:.25rem}
.tl-item h3{font-size:1.08rem;letter-spacing:-.02em;margin-bottom:.35rem}
.tl-item p{font-size:.92rem;color:#6b6660;line-height:1.7;max-width:52ch}

/* ── responsive ── */
@media (max-width:1080px){
  .turn{height:auto}
  .turn-sticky{position:static;height:auto;grid-template-columns:1fr;padding-top:5rem;padding-bottom:5rem;text-align:center}
  .turn-stage{min-height:44vh;margin-top:2rem}
  .turn-copy{max-width:none}
  .turn-steps{text-align:left}
  .mood{grid-template-columns:1fr}
  .mood-stage{min-height:240px}
  .rail{display:none}
  .timeline{padding-left:2.2rem}
  .tl-item{grid-template-columns:1fr;gap:.2rem}
  .tl-item::before{left:-2.2rem;top:1.75rem}
}
@media (prefers-reduced-motion:reduce){
  .turn{height:auto}
  .turn-sticky{position:static;height:auto}
}