:root{
  --bg:#06140f; --bg2:#0a1d17; --panel:#0e231c; --panel2:#132d24; --line:rgba(120,230,190,.13);
  --jade:#0e6b52; --mint:#3ed6a2; --gold:#f5c66b; --amber:#ff9f43; --paper:#f6eee1; --muted:#9db6ab; --ink:#0b1712;
  --sans:'Bricolage Grotesque','Ma Shan Zheng',system-ui,sans-serif;
  --serif:'Instrument Serif','Ma Shan Zheng',Georgia,serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --cjk:'Ma Shan Zheng',serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;background:var(--bg)}
body{min-width:1280px;background:var(--bg);color:var(--paper);font-family:var(--sans);font-size:17px;line-height:1.55;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
em{font-family:var(--serif);font-style:italic;font-weight:400}
::selection{background:var(--mint);color:var(--ink)}

#dust{position:fixed;inset:0;z-index:1;pointer-events:none}
.glow-cursor{position:fixed;left:0;top:0;width:560px;height:560px;margin:-280px 0 0 -280px;border-radius:50%;pointer-events:none;z-index:1;
  background:radial-gradient(circle,rgba(245,198,107,.13),rgba(62,214,162,.05) 40%,transparent 68%);mix-blend-mode:screen;will-change:transform}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 28px;border-radius:999px;font-weight:600;font-size:17px;transition:transform .25s,box-shadow .25s,background .25s}
.btn:hover{transform:translateY(-2px)}
.btn.sm{height:42px;padding:0 20px;font-size:15px}
.btn-gold{background:linear-gradient(135deg,#ffe2a0,var(--gold) 45%,var(--amber));color:#2a1704;box-shadow:0 10px 30px -8px rgba(255,159,67,.6),inset 0 1px 0 rgba(255,255,255,.6);position:relative;overflow:hidden}
.btn-gold::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.65) 50%,transparent 70%);transform:translateX(-120%);animation:sheen 3.6s ease-in-out infinite}
@keyframes sheen{0%,60%{transform:translateX(-120%)}100%{transform:translateX(120%)}}
.btn-ghost{border:1px solid rgba(246,238,225,.25);background:rgba(6,20,15,.35);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--mint);box-shadow:0 0 0 4px rgba(62,214,162,.12)}
.btn.icon{width:56px;padding:0;justify-content:center}
.btn.icon svg{fill:currentColor;stroke:none;width:20px;height:20px}

/* ---------- nav ---------- */
.nav{position:fixed;top:14px;left:50%;transform:translateX(-50%);width:min(1360px,calc(100% - 40px));z-index:50;display:flex;align-items:center;justify-content:space-between;
  height:64px;padding:0 12px 0 14px;border-radius:20px;background:rgba(8,24,18,.55);backdrop-filter:blur(16px) saturate(1.3);border:1px solid var(--line);transition:background .3s}
.nav.solid{background:rgba(8,24,18,.88)}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:21px;letter-spacing:-.02em}
.brand img{width:40px;height:40px;border-radius:12px;border:1px solid rgba(245,198,107,.4)}
.brand b{color:var(--mint)}
.nav-links{display:flex;gap:6px}
.nav-links a{padding:9px 16px;border-radius:12px;color:var(--muted);font-weight:600;font-size:15px;transition:.2s}
.nav-links a:hover{color:var(--paper);background:rgba(62,214,162,.1)}
.nav-cta{display:flex;gap:10px;align-items:center}
.icon-btn{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--line);transition:.2s}
.icon-btn:hover{border-color:var(--mint)}
.icon-btn svg{fill:currentColor;stroke:none;width:18px;height:18px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:min(100vh,940px);padding:120px 0 70px;display:flex;align-items:center;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:-30px;z-index:-3;background:url(../img/hero-bg.jpg) center/cover;filter:saturate(1.2)}
.hero-bg::after{content:"";position:absolute;inset:0;background:
  radial-gradient(70% 80% at 75% 45%,rgba(6,20,15,.15),rgba(6,20,15,.85) 75%),
  linear-gradient(180deg,rgba(6,20,15,.4),transparent 30%,transparent 70%,var(--bg))}
.rays{position:absolute;inset:-40% -20% auto auto;width:140%;height:180%;z-index:-2;pointer-events:none;opacity:.5;mix-blend-mode:screen;
  background:repeating-conic-gradient(from 200deg at 88% 0%,rgba(255,214,140,.22) 0deg 3deg,transparent 3deg 11deg);
  -webkit-mask:radial-gradient(60% 60% at 88% 0%,#000,transparent 75%);mask:radial-gradient(60% 60% at 88% 0%,#000,transparent 75%);
  animation:rays 14s ease-in-out infinite alternate}
@keyframes rays{from{transform:rotate(-3deg);opacity:.35}to{transform:rotate(4deg);opacity:.6}}
.hero-grid{width:min(1360px,calc(100% - 80px));margin:0 auto;display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center;position:relative;z-index:2}
.status{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:rgba(62,214,162,.1);border:1px solid rgba(62,214,162,.3);color:var(--mint);font-family:var(--mono);font-size:13px;letter-spacing:.02em}
.status i{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(62,214,162,.7);animation:ping 1.8s infinite}
@keyframes ping{70%{box-shadow:0 0 0 10px rgba(62,214,162,0)}100%{box-shadow:0 0 0 0 rgba(62,214,162,0)}}
.title{position:relative;margin:22px 0 10px;line-height:.86;letter-spacing:-.04em}
.t-ni{display:block;font-family:var(--serif);font-style:italic;font-weight:400;font-size:132px;color:var(--paper);letter-spacing:-.02em}
.t-cat{display:block;font-weight:800;font-size:150px;white-space:nowrap}
.t-cat b{background:linear-gradient(100deg,var(--mint),#9ff0cf 35%,var(--gold) 70%,var(--amber));-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 100%;animation:grad 6s ease-in-out infinite alternate}
@keyframes grad{to{background-position:100% 0}}
.caret{display:inline-block;width:.09em;height:.72em;margin-left:.06em;background:var(--mint);vertical-align:baseline;animation:blink 1s steps(1) infinite;border-radius:2px}
.caret.sm{width:2px;height:15px;margin-left:2px;vertical-align:middle}
@keyframes blink{50%{opacity:0}}
.seal{position:absolute;left:400px;top:4px;font-family:var(--cjk);font-size:46px;line-height:1;color:#fff4e0;background:#b8322a;padding:10px 8px 6px;border-radius:8px;writing-mode:vertical-rl;transform:rotate(8deg);box-shadow:0 10px 30px -10px rgba(184,50,42,.8),inset 0 0 0 3px rgba(255,240,220,.25);letter-spacing:4px}
.ticker{display:inline-block;font-family:var(--mono);font-weight:700;font-size:26px;color:var(--gold);padding:6px 16px;border:1.5px dashed rgba(245,198,107,.55);border-radius:12px;background:rgba(245,198,107,.06);margin-bottom:20px}
.lede{max-width:560px;font-size:20px;color:#d7e3dc;margin-bottom:26px}
.lede em{color:var(--gold);font-size:1.15em}

.ca-box{display:flex;align-items:center;gap:14px;max-width:640px;padding:12px 12px 12px 20px;border-radius:18px;background:rgba(6,20,15,.6);border:1px solid rgba(245,198,107,.35);backdrop-filter:blur(10px);margin-bottom:22px;box-shadow:0 0 40px -18px rgba(245,198,107,.5)}
.ca-label{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);white-space:nowrap;padding-right:14px;border-right:1px solid var(--line)}
.ca{flex:1;font-family:var(--mono);font-size:16px;color:var(--paper);word-break:break-all;line-height:1.35}
.copy{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:12px;background:var(--mint);color:var(--ink);font-weight:700;font-size:15px;transition:.2s;flex:none}
.copy svg{width:17px;height:17px}
.copy:hover{background:#7ff0c6;transform:translateY(-1px)}
.copy.ok{background:var(--gold)}
.cta-row{display:flex;gap:12px;align-items:center}
.center{justify-content:center;margin-left:auto;margin-right:auto}

.hero-art{position:relative;justify-self:center;width:520px;perspective:1000px}
.portrait{position:relative;width:520px;aspect-ratio:1;border-radius:36px;transform-style:preserve-3d;transition:transform .2s ease-out;animation:floaty 7s ease-in-out infinite}
@keyframes floaty{50%{translate:0 -12px}}
.portrait img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;border-radius:32px}
.ring{position:absolute;inset:-5px;border-radius:38px;z-index:0;overflow:hidden}
.ring::before{content:"";position:absolute;inset:-50%;background:conic-gradient(from 0deg,var(--mint),transparent 25%,var(--gold) 50%,transparent 75%,var(--mint));animation:spin 6s linear infinite}
.ring::after{content:"";position:absolute;inset:-60px;z-index:-1}
.portrait::after{content:"";position:absolute;inset:-40px;z-index:-1;border-radius:60px;background:radial-gradient(circle,rgba(62,214,162,.35),transparent 65%);filter:blur(20px)}
@keyframes spin{to{transform:rotate(360deg)}}
.shine{position:absolute;inset:0;z-index:2;border-radius:32px;pointer-events:none;background:radial-gradient(circle at var(--mx,30%) var(--my,20%),rgba(255,255,255,.22),transparent 40%);mix-blend-mode:overlay}
.bubble{position:absolute;z-index:3;display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:20px;background:rgba(246,238,225,.96);color:var(--ink);font-weight:600;font-size:16px;box-shadow:0 20px 40px -14px rgba(0,0,0,.55)}
.bubble img{width:28px;height:28px;border-radius:50%}
.b-top{left:-90px;top:46px;min-width:300px;border-bottom-left-radius:6px;animation:bob 5s ease-in-out infinite}
.b-bot{right:-40px;bottom:42px;background:rgba(14,35,28,.92);color:var(--muted);font-size:14px;font-weight:500;border:1px solid var(--line);border-bottom-right-radius:6px;animation:bob 6s ease-in-out -2s infinite}
.b-top .caret{background:var(--jade)}
@keyframes bob{50%{transform:translateY(-8px)}}
.dots{display:inline-flex;gap:4px}
.dots i{width:6px;height:6px;border-radius:50%;background:var(--mint);animation:dot 1.2s infinite}
.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes dot{0%,60%,100%{opacity:.25;transform:none}30%{opacity:1;transform:translateY(-4px)}}
.scroll-hint{position:absolute;left:50%;bottom:22px;width:28px;height:44px;border:2px solid rgba(246,238,225,.4);border-radius:16px;transform:translateX(-50%);z-index:3}
.scroll-hint span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--gold);animation:scrollhint 1.8s infinite}
@keyframes scrollhint{to{transform:translateY(16px);opacity:0}}

/* leaves */
.leaves{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:1}
.leaf{position:absolute;top:-60px;width:var(--s,34px);opacity:.8;animation:fall var(--d,14s) linear var(--dl,0s) infinite}
.leaf svg{width:100%;height:auto;stroke:none;animation:sway var(--sw,3s) ease-in-out infinite alternate;filter:drop-shadow(0 4px 6px rgba(0,0,0,.3))}
@keyframes fall{to{transform:translate(var(--dx,120px),calc(var(--h,1000px) + 120px)) rotate(var(--r,360deg))}}
@keyframes sway{from{transform:rotate(-28deg) translateX(-14px)}to{transform:rotate(28deg) translateX(14px)}}

/* ---------- garden banner ---------- */
.garden{position:relative;z-index:2}
.garden-frame{position:relative;overflow:hidden;aspect-ratio:2172/724;background:#2a2310}
.garden-img{width:100%;height:100%;object-fit:cover;transform:scale(1.06) translate(var(--px,0),var(--py,0));transition:transform .4s ease-out}
.lantern{position:absolute;width:15%;aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(255,214,130,.55),rgba(255,170,60,.18) 40%,transparent 70%);mix-blend-mode:screen;animation:flicker 3.2s ease-in-out infinite}
.l1{left:16%;top:30%}.l2{left:85.7%;top:32%;animation-delay:-1.4s}
@keyframes flicker{0%,100%{opacity:.75;scale:1}35%{opacity:1;scale:1.08}55%{opacity:.82;scale:.97}}
.garden-rays{position:absolute;inset:0;pointer-events:none;mix-blend-mode:screen;opacity:.55;
  background:repeating-linear-gradient(115deg,transparent 0 60px,rgba(255,226,160,.16) 60px 90px,transparent 90px 170px);
  -webkit-mask:radial-gradient(55% 90% at 75% 0%,#000,transparent 70%);mask:radial-gradient(55% 90% at 75% 0%,#000,transparent 70%);animation:raydrift 9s ease-in-out infinite alternate}
@keyframes raydrift{to{background-position:140px 0;opacity:.85}}
.garden-frame::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,var(--bg),transparent 12%,transparent 85%,var(--bg))}

.marquee{position:relative;z-index:2;overflow:hidden;padding:18px 0;background:var(--jade);border-block:1px solid rgba(62,214,162,.35);transform:rotate(-1.2deg);margin:-14px -20px 0;box-shadow:0 20px 50px -20px #000}
.track{display:flex;gap:34px;width:max-content;animation:marq 32s linear infinite;align-items:center}
.track span{font-weight:800;font-size:30px;letter-spacing:-.02em;text-transform:lowercase;color:var(--paper)}
.track b{font-family:var(--cjk);font-weight:400;font-size:30px;color:var(--gold)}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- section heads ---------- */
section{position:relative}
.sec-head{text-align:center;margin:0 auto 46px;max-width:820px;position:relative;z-index:2}
.kicker{display:inline-block;font-family:var(--mono);font-size:13px;color:var(--mint);letter-spacing:.12em;text-transform:uppercase;padding:6px 14px;border-radius:999px;border:1px solid rgba(62,214,162,.3);margin-bottom:18px}
.sec-head h2,.model-info h2{font-size:76px;line-height:.98;font-weight:800;letter-spacing:-.04em}
.sec-head h2 em,.model-info h2 em{color:var(--gold);font-size:1.08em}
.sec-head p{margin-top:16px;font-size:19px;color:var(--muted)}

/* ---------- chat app ---------- */
.chat-sec{padding:150px 0 130px;z-index:2;background:radial-gradient(60% 50% at 50% 30%,rgba(14,107,82,.25),transparent 70%)}
.app{width:1220px;height:720px;margin:0 auto;display:grid;grid-template-columns:270px 1fr;border-radius:26px;overflow:hidden;background:#0c1c16;border:1px solid rgba(120,230,190,.18);
  box-shadow:0 60px 120px -40px rgba(0,0,0,.8),0 0 0 8px rgba(62,214,162,.04),0 0 90px -30px rgba(62,214,162,.35);position:relative;z-index:2}
.side{background:#081510;border-right:1px solid var(--line);padding:14px 12px;display:flex;flex-direction:column;gap:4px;font-size:14.5px}
.side-top{display:flex;justify-content:space-between;align-items:center;padding:2px 6px 10px}
.side-top img{width:30px;height:30px;border-radius:9px}
.side-ic{color:var(--muted);padding:4px;border-radius:8px}
.side-ic:hover{background:rgba(255,255,255,.06)}
.new-chat,.side-search{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;color:var(--paper);text-align:left;width:100%}
.side-search{color:var(--muted)}
.new-chat svg,.side-search svg{width:17px;height:17px}
.new-chat:hover,.history li:hover{background:rgba(62,214,162,.08)}
.side-label{font-size:12px;color:#6f8a7f;padding:16px 10px 6px;font-weight:600}
.history{list-style:none}
.history li{padding:8px 10px;border-radius:10px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#cfdcd6;transition:background .15s}
.history li.on{background:rgba(62,214,162,.12)}
.side-user{margin-top:auto;display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;border-top:1px solid var(--line)}
.side-user b{display:block;font-size:14px}.side-user small{color:var(--muted);font-size:12px}
.u-av{width:32px;height:32px;border-radius:50%;background:var(--amber);color:var(--ink);display:grid;place-items:center;font-weight:800}
.upgrade{margin-left:auto;font-size:12px;font-weight:700;padding:6px 10px;border-radius:999px;background:var(--gold);color:var(--ink)}

.main{position:relative;display:flex;flex-direction:column;min-width:0;background:radial-gradient(80% 60% at 50% 110%,rgba(14,107,82,.22),transparent 70%)}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;height:58px}
.model{position:relative}
.model-btn{display:flex;align-items:center;gap:6px;padding:8px 12px;border-radius:10px;font-weight:700;font-size:18px}
.model-btn span{color:var(--muted);font-weight:500}
.model-btn svg{width:16px;height:16px;color:var(--muted)}
.model-btn:hover{background:rgba(255,255,255,.06)}
.model-menu{position:absolute;top:48px;left:0;width:300px;padding:6px;border-radius:16px;background:#12271f;border:1px solid var(--line);box-shadow:0 30px 60px -20px #000;z-index:10;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s}
.model.open .model-menu{opacity:1;visibility:visible;transform:none}
.model-menu button{display:block;width:100%;text-align:left;padding:10px 12px;border-radius:10px;position:relative}
.model-menu button:hover{background:rgba(62,214,162,.08)}
.model-menu b{display:block;font-size:15px}.model-menu small{color:var(--muted);font-size:13px}
.model-menu button.on::after{content:"";position:absolute;right:14px;top:50%;width:6px;height:11px;border:solid var(--mint);border-width:0 2px 2px 0;transform:translate(0,-60%) rotate(45deg)}
.top-right{display:flex;align-items:center;gap:12px}
.top-right img{width:30px;height:30px;border-radius:50%}
.pill-share{display:flex;align-items:center;gap:6px;font-size:14px;padding:7px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.pill-share svg{width:15px;height:15px}

.thread{flex:1;overflow-y:auto;padding:10px 0 20px;scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:rgba(62,214,162,.25) transparent}
.empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:16px;padding-bottom:26px}
.empty img{width:64px;height:64px;border-radius:50%;border:2px solid rgba(245,198,107,.5);animation:floaty 5s ease-in-out infinite}
.empty h3{font-size:34px;font-weight:600;letter-spacing:-.02em}
.msg{width:760px;margin:0 auto;padding:12px 0;animation:msgIn .35s ease-out}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}}
.msg.user{display:flex;justify-content:flex-end}
.msg.user .body{max-width:70%;background:#1b3a2f;border:1px solid rgba(62,214,162,.12);padding:11px 18px;border-radius:22px;border-bottom-right-radius:8px;white-space:pre-wrap;word-break:break-word}
.msg.bot{display:grid;grid-template-columns:34px 1fr;gap:16px}
.msg.bot>img{width:34px;height:34px;border-radius:50%;border:1px solid rgba(245,198,107,.45)}
.msg.bot .body{min-width:0;color:#e3ece7;line-height:1.7}
.msg.bot .body p{margin-bottom:12px}
.msg.bot .body p:last-child{margin-bottom:0}
.msg.bot .body ol,.msg.bot .body ul{margin:0 0 12px 22px}
.msg.bot .body li{margin-bottom:4px}
.msg.bot .body b{color:var(--paper)}
.msg.bot .body a{color:var(--mint);text-decoration:underline;text-underline-offset:3px}
.msg.bot .body code{font-family:var(--mono);font-size:.88em;background:rgba(62,214,162,.1);padding:2px 6px;border-radius:6px;color:var(--mint);word-break:break-all}
.codeblock{margin:6px 0 14px;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#06110d}
.codeblock .cb-h{display:flex;justify-content:space-between;align-items:center;padding:8px 14px;font-family:var(--mono);font-size:12px;color:var(--muted);background:#0e211a}
.codeblock .cb-h button{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.codeblock .cb-h button:hover{color:var(--paper)}
.codeblock .cb-h svg{width:14px;height:14px}
.codeblock pre{padding:14px 16px;font-family:var(--mono);font-size:14px;line-height:1.6;color:#d4f5e8;white-space:pre-wrap;word-break:break-all}
.codeblock .k{color:var(--gold)}.codeblock .s{color:#9ff0cf}.codeblock .c{color:#6f8a7f}
.think{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:15px;margin-bottom:8px}
.think .shimmer{background:linear-gradient(90deg,var(--muted) 30%,var(--paper) 50%,var(--muted) 70%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shim 1.4s linear infinite}
@keyframes shim{from{background-position:150% 0}to{background-position:-50% 0}}
.pulse-dot{width:12px;height:12px;border-radius:50%;background:var(--paper);animation:pd 1s ease-in-out infinite}
@keyframes pd{50%{transform:scale(.6);opacity:.5}}
.typing-cursor{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--paper);margin-left:4px;vertical-align:middle;animation:pd .8s infinite}
.actions{display:flex;gap:2px;margin-top:8px;opacity:0;transition:opacity .3s}
.msg.done .actions{opacity:1}
.actions button{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;color:var(--muted)}
.actions button:hover{background:rgba(255,255,255,.06);color:var(--paper)}
.actions button.on{color:var(--mint)}
.actions svg{width:16px;height:16px}

.composer-wrap{padding:0 0 14px;transition:transform .5s}
.app.fresh .composer-wrap{transform:translateY(-190px)}
.app.fresh .empty{padding-bottom:200px}
.app:not(.fresh) .chips{display:none}
.composer{width:760px;margin:0 auto;display:flex;align-items:flex-end;gap:6px;padding:10px 10px 10px 12px;border-radius:28px;background:#14302a;border:1px solid rgba(120,230,190,.2);box-shadow:0 10px 30px -10px rgba(0,0,0,.5);transition:border-color .2s,box-shadow .2s}
.composer:focus-within{border-color:rgba(62,214,162,.55);box-shadow:0 0 0 4px rgba(62,214,162,.1),0 10px 30px -10px rgba(0,0,0,.5)}
.composer textarea{flex:1;resize:none;background:none;border:0;outline:0;color:var(--paper);font:inherit;font-size:16.5px;line-height:1.5;padding:7px 4px;max-height:160px}
.composer textarea::placeholder{color:#7f988e}
.c-ic{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--muted);flex:none}
.c-ic:hover{background:rgba(255,255,255,.06)}
.send{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--paper);color:var(--ink);flex:none;transition:.2s}
.send svg{stroke-width:2.6;width:18px;height:18px}
.send:disabled{opacity:.3;cursor:default}
.send.stop{background:var(--paper)}
.chips{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:16px auto 0;width:760px}
.chips button{padding:8px 15px;border-radius:999px;border:1px solid var(--line);color:#cfdcd6;font-size:14.5px;transition:.2s}
.chips button:hover{background:rgba(62,214,162,.08);border-color:rgba(62,214,162,.4);color:var(--paper)}
.disclaim{text-align:center;font-size:12.5px;color:#6f8a7f;margin-top:10px}

/* ---------- model card ---------- */
.model-sec{padding:120px 0;z-index:2;background:linear-gradient(180deg,transparent,rgba(14,107,82,.14) 50%,transparent)}
.model-grid{width:min(1320px,calc(100% - 80px));margin:0 auto;display:grid;grid-template-columns:620px 1fr;gap:70px;align-items:center}
.model-portrait{position:relative;border-radius:30px;overflow:hidden;box-shadow:0 50px 100px -40px #000,0 0 0 1px rgba(245,198,107,.3)}
.model-portrait img{width:100%;aspect-ratio:1;object-fit:cover;transition:transform 1.2s}
.model-portrait:hover img{transform:scale(1.04)}
.scan{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 0,rgba(62,214,162,.0) 44%,rgba(62,214,162,.35) 50%,rgba(62,214,162,0) 56%,transparent 100%);background-size:100% 220%;animation:scan 4.5s ease-in-out infinite;mix-blend-mode:screen}
.scan::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(0,0,0,.08) 0 2px,transparent 2px 4px)}
@keyframes scan{from{background-position:0 100%}to{background-position:0 -10%}}
.model-portrait figcaption{position:absolute;left:18px;bottom:18px;font-family:var(--mono);font-size:14px;padding:8px 14px;border-radius:10px;background:rgba(6,20,15,.75);backdrop-filter:blur(8px);border:1px solid var(--line)}
.model-portrait figcaption span{color:var(--mint);margin-right:8px}
.model-info .lede2{font-size:20px;color:#cfdcd6;margin:18px 0 28px;max-width:560px}
.specs{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-bottom:30px}
.specs div{background:var(--bg2);padding:14px 18px}
.specs dt{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:4px}
.specs dd{font-weight:600;font-size:17px}
.specs dd.gold{color:var(--gold);font-family:var(--mono)}
.bench h4{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.bar{display:grid;grid-template-columns:1fr auto;gap:6px 14px;margin-bottom:14px;font-size:15px}
.bar small{color:var(--muted);font-size:13px}
.bar b{font-family:var(--mono);color:var(--mint)}
.bar i{grid-column:1/-1;height:8px;border-radius:99px;background:rgba(255,255,255,.07);position:relative;overflow:hidden}
.bar i::after{content:"";position:absolute;inset:0;width:calc(var(--v)*1%);border-radius:inherit;background:linear-gradient(90deg,var(--jade),var(--mint),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform 1.6s cubic-bezier(.2,.8,.2,1)}
.bench.in .bar i::after{transform:scaleX(1)}
.bench.in .bar:nth-child(3) i::after{transition-delay:.15s}.bench.in .bar:nth-child(4) i::after{transition-delay:.3s}
.bench.in .bar:nth-child(5) i::after{transition-delay:.45s}.bench.in .bar:nth-child(6) i::after{transition-delay:.6s}

/* ---------- imagine ---------- */
.imagine{padding:110px 0 120px;z-index:2}
.gen-grid{width:min(1360px,calc(100% - 80px));margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:28px}
.gen{border-radius:24px;overflow:hidden;background:var(--panel);border:1px solid var(--line);box-shadow:0 40px 80px -40px #000}
.gen-h{display:flex;align-items:center;gap:12px;padding:14px 18px;font-size:14.5px;color:#cfdcd6;border-bottom:1px solid var(--line)}
.gen-h img{width:28px;height:28px;border-radius:50%}
.gen-h .state{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--muted)}
.gen-h .state.shimmer{background:linear-gradient(90deg,var(--muted) 30%,var(--paper) 50%,var(--muted) 70%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shim 1.4s linear infinite}
.gen-h .state.ok{color:var(--mint)}
.gen-pic{position:relative;aspect-ratio:2/1;overflow:hidden;background:#0a1813}
.gen-pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.gen-pic .blur{filter:blur(26px) saturate(1.4) brightness(.8);transform:scale(1.15)}
.gen-pic .sharp{clip-path:inset(0 0 100% 0);transition:clip-path 3s cubic-bezier(.5,0,.3,1),transform 6s ease-out;transform:scale(1.05)}
.gen-pic .edge{position:absolute;left:0;right:0;top:0;height:90px;margin-top:-45px;pointer-events:none;background:linear-gradient(180deg,transparent,rgba(255,255,255,.35) 50%,transparent);filter:blur(8px);mix-blend-mode:overlay;opacity:0}
.gen.go .sharp{clip-path:inset(0 0 0 0);transform:scale(1)}
.gen.go .edge{animation:edge 3s cubic-bezier(.5,0,.3,1) forwards}
@keyframes edge{0%{top:0;opacity:1}90%{opacity:1}100%{top:100%;opacity:0}}
.gen-pic .prompt{position:absolute;left:14px;bottom:14px;max-width:44%;font-family:var(--mono);font-size:12px;line-height:1.45;padding:7px 11px;border-radius:12px;background:rgba(6,20,15,.72);backdrop-filter:blur(8px);border:1px solid var(--line);color:#d7e3dc;z-index:2}
.gen-pic .prompt b{color:var(--gold);font-weight:700}

/* ---------- how ---------- */
.how{padding:110px 0 130px;z-index:2}
.steps{width:min(1360px,calc(100% - 80px));margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{padding:22px;border-radius:24px;background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);display:flex;flex-direction:column;gap:16px;transition:transform .3s,border-color .3s}
.step:hover{transform:translateY(-6px);border-color:rgba(245,198,107,.4)}
.step .q{align-self:flex-end;background:#1b3a2f;padding:9px 16px;border-radius:18px;border-bottom-right-radius:6px;font-size:15px}
.step .a{display:grid;grid-template-columns:30px 1fr;gap:12px;font-size:15.5px;color:#d7e3dc}
.step .a img{width:30px;height:30px;border-radius:50%}
.step .a b{color:var(--gold);display:block;font-size:17px;margin-bottom:4px}

/* ---------- finale ---------- */
.finale{padding:150px 0 140px;overflow:hidden;isolation:isolate;text-align:center;z-index:2}
.finale .hero-bg{opacity:.8}
.finale-in{position:relative;z-index:2}
.fin-av{width:120px;height:120px;border-radius:50%;margin:0 auto 10px;border:3px solid var(--gold);box-shadow:0 0 60px rgba(245,198,107,.45);animation:floaty 5s ease-in-out infinite}
.fin-title{font-family:var(--serif);font-style:italic;font-weight:400;font-size:240px;line-height:.9;letter-spacing:-.03em}
.fin-title span{color:var(--mint)}
.finale p{font-size:24px;color:#d7e3dc;margin:4px 0 30px}
.finale p b{color:var(--gold);font-family:var(--mono)}
.foot{position:relative;z-index:2;display:flex;justify-content:space-between;gap:40px;padding:26px 40px;border-top:1px solid var(--line);font-size:13px;color:#6f8a7f}
.foot span:last-child{max-width:720px;text-align:right}

/* ---------- toast / reveal ---------- */
.toast{position:fixed;left:50%;bottom:30px;z-index:90;padding:12px 22px;border-radius:999px;background:var(--mint);color:var(--ink);font-weight:700;transform:translate(-50%,30px);opacity:0;visibility:hidden;transition:.3s}
.toast.show{transform:translate(-50%,0);opacity:1;visibility:visible}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .gen-pic .sharp{clip-path:none}
}