/* ========== ArtVibe HK — main.css ========== */
:root{
  --bg:#06070c; --panel:rgba(255,255,255,.035);
  --line:rgba(255,255,255,.10); --line2:rgba(255,255,255,.18);
  --fg:#eef0f7; --mut:#9aa3b8; --mut2:#6f7891;
  --v:#7c5cff; --p:#ff4fa3; --c:#22d3ee; --g:#5ce1a6;
  --grad:linear-gradient(100deg,#7c5cff,#ff4fa3 45%,#22d3ee);
  --r:18px; --max:1240px;
  --ease:cubic-bezier(.16,1,.3,1);
  --spring:cubic-bezier(.22,1.2,.36,1);
  --f:'Sora',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--p);color:#fff}
body::-webkit-scrollbar{width:9px}
body::-webkit-scrollbar-track{background:#05060a}
body::-webkit-scrollbar-thumb{background:linear-gradient(#7c5cff,#ff4fa3);border-radius:10px}

/* ---------- smooth scroll rig ---------- */
#smooth-wrap{position:fixed;inset:0;overflow:hidden;will-change:transform}
#smooth-content{will-change:transform;transform:translate3d(0,0,0)}
html.no-smooth #smooth-wrap{position:static;overflow:visible}
html.no-smooth{scroll-behavior:smooth}

/* ---------- decorative layers ---------- */
.grain{position:fixed;inset:0;z-index:9998;pointer-events:none;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E")}
.scroll-progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:9999;background:var(--grad);box-shadow:0 0 12px rgba(124,92,255,.8)}

/* cursor */
.cursor{position:fixed;top:0;left:0;z-index:9997;pointer-events:none;mix-blend-mode:difference;opacity:0;transition:opacity .4s}
.cursor.on{opacity:1}
.cursor-dot{position:absolute;width:6px;height:6px;border-radius:50%;background:#fff;margin:-3px 0 0 -3px}
.cursor-ring{position:absolute;width:36px;height:36px;border:1px solid rgba(255,255,255,.6);border-radius:50%;margin:-18px 0 0 -18px;
  transition:width .4s var(--ease),height .4s var(--ease),margin .4s var(--ease),background .4s,border-color .4s}
.cursor.hot .cursor-ring{width:70px;height:70px;margin:-35px 0 0 -35px;background:rgba(255,255,255,.1);border-color:transparent}
@media (hover:none),(max-width:900px){.cursor{display:none}}

/* loader */
.loader{position:fixed;inset:0;z-index:10000;background:#06070c;display:grid;place-items:center;transition:opacity .8s var(--ease),visibility .8s}
.loader.done{opacity:0;visibility:hidden}
.loader-inner{text-align:center;width:min(300px,70vw)}
.loader-mark{display:flex;justify-content:center;filter:drop-shadow(0 0 16px rgba(124,92,255,.55));animation:pulse 1.6s infinite}
.loader-name{margin-top:12px;font-size:15px;font-weight:600;letter-spacing:.34em;text-indent:.34em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.loader-bar{height:2px;background:rgba(255,255,255,.12);border-radius:2px;overflow:hidden;margin:22px 0 12px}
.loader-bar i{display:block;height:100%;width:0;background:var(--grad);transition:width .35s var(--ease)}
.loader-txt{font-size:12px;color:var(--mut2);letter-spacing:.14em}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-inline:24px}
.wrap.narrow{max-width:860px}
.sec{position:relative;padding-block:clamp(80px,10vw,150px)}
.sec-alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.025) 12%,rgba(255,255,255,.025) 88%,transparent)}
.sec-head{max-width:820px;margin-bottom:60px}
.tag{display:inline-flex;gap:8px;align-items:center;font-family:var(--f-mono);font-size:12px;letter-spacing:.2em;color:var(--mut2);text-transform:uppercase;margin-bottom:18px}
.tag i{font-style:normal;color:var(--c)}
.sec-title{font-size:clamp(30px,4.8vw,58px);line-height:1.15;font-weight:700;letter-spacing:-.025em;margin:0 0 18px}
.sec-title em{font-style:normal;background:var(--grad);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shift 9s linear infinite}
.sec-title em .split-w>i,.grad .split-w>i{background:var(--grad);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shift 9s linear infinite}
.sec-title em:has(.split-w),.grad:has(.split-w){background:none;-webkit-text-fill-color:initial;animation:none}
.sec-sub{color:var(--mut);margin:0;font-size:clamp(15px,1.4vw,17px)}

/* ---------- reveal primitives ---------- */
[data-fade]{opacity:0;transform:translate3d(0,32px,0);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
[data-fade].in{opacity:1;transform:none}
.split-w{display:inline-block;overflow:hidden;vertical-align:top}
.split-w>i{display:inline-block;font-style:inherit;transform:translate3d(0,110%,0) rotate(4deg);opacity:0;
  transition:transform 1.05s var(--spring),opacity .7s var(--ease)}
.in .split-w>i,.split.in>.split-w>i{transform:none;opacity:1}
@media (prefers-reduced-motion:reduce){
  [data-fade],.split-w>i{opacity:1!important;transform:none!important;transition:none!important}
}

/* buttons */
.btn{position:relative;display:inline-flex;align-items:center;gap:10px;padding:13px 26px;border-radius:999px;border:0;cursor:pointer;
  background:var(--grad);background-size:220% 100%;color:#fff;font-weight:600;font-size:14.5px;
  transition:background-position .8s var(--ease),box-shadow .5s var(--ease),filter .4s;box-shadow:0 8px 30px rgba(124,92,255,.28);white-space:nowrap;
  will-change:transform}
.btn:hover{background-position:100% 0;box-shadow:0 18px 46px rgba(255,79,163,.38)}
.btn svg{transition:transform .5s var(--spring)}
.btn:hover svg{transform:translateX(4px)}
.btn-lg{padding:16px 32px;font-size:15.5px}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-ghost{background:transparent;border:1px solid var(--line2);box-shadow:none;color:var(--fg)}
.btn-ghost:hover{background:rgba(255,255,255,.07);box-shadow:none}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:900;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px clamp(18px,3vw,40px);transition:background .5s var(--ease),backdrop-filter .5s,border-color .5s,padding .5s var(--ease),transform .5s var(--ease);
  border-bottom:1px solid transparent}
.nav.stuck{background:rgba(6,7,12,.72);backdrop-filter:blur(20px) saturate(1.5);border-bottom-color:var(--line);padding-block:11px}
.nav.hide{transform:translateY(-110%)}
.brand{display:flex;align-items:center;gap:11px;will-change:transform}
.brand-mark{display:grid;place-items:center;filter:drop-shadow(0 0 10px rgba(124,92,255,.5));transition:transform .8s var(--spring)}
.brand:hover .brand-mark{transform:rotate(-12deg) scale(1.08)}
.brand-txt{display:flex;flex-direction:column;line-height:1.1}
.brand-txt b{font-size:17px;font-weight:700}
.brand-txt i{font-style:normal;font-size:9.5px;letter-spacing:.18em;color:var(--mut2);text-transform:uppercase}
.nav-links{position:relative;display:flex;gap:2px}
.nav-pill{position:absolute;top:0;left:0;height:100%;border-radius:999px;background:rgba(255,255,255,.08);
  opacity:0;transform:translateX(0);transition:transform .55s var(--ease),width .55s var(--ease),opacity .35s;pointer-events:none}
.nav-links a{position:relative;padding:8px 14px;font-size:14px;color:var(--mut);border-radius:999px;transition:color .35s;z-index:1}
.nav-links a:hover,.nav-links a.act{color:#fff}
.nav-links a.act::after{content:"";position:absolute;left:50%;bottom:1px;width:4px;height:4px;margin-left:-2px;border-radius:50%;background:var(--c);box-shadow:0 0 8px var(--c)}
.nav-right{display:flex;align-items:center;gap:12px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger i{width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .45s var(--spring),opacity .3s}
.burger.on i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.on i:nth-child(2){opacity:0}
.burger.on i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;padding-block:150px 90px}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.6}
.hero-grid{position:absolute;inset:0;opacity:.22;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 65% at 50% 40%,#000 30%,transparent 75%)}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.42;will-change:transform}
.orb-a{width:44vw;height:44vw;background:#7c5cff;top:-12%;left:-8%}
.orb-b{width:38vw;height:38vw;background:#ff4fa3;bottom:-16%;right:-6%}
.orb-c{width:26vw;height:26vw;background:#22d3ee;top:34%;right:22%;opacity:.3}
.hero-in{position:relative;z-index:2;width:100%;max-width:var(--max);margin:0 auto;padding-inline:24px;will-change:transform,opacity}
.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:7px 16px 7px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.04);backdrop-filter:blur(8px);font-size:12.5px;letter-spacing:.1em;color:var(--mut);margin-bottom:26px}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--g);box-shadow:0 0 10px var(--g);animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.hero-title{font-weight:800;letter-spacing:-.04em;line-height:1.03;font-size:clamp(42px,8.6vw,112px);margin:0 0 30px}
.hero-title .line{display:block}
.grad{background:var(--grad);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shift 8s linear infinite}
@keyframes shift{to{background-position:220% 0}}
.rot-line{display:flex;flex-wrap:wrap;align-items:baseline;gap:.28em}
.rotator{display:inline-block;position:relative;height:1.06em;overflow:hidden;vertical-align:bottom;transition:width .7s var(--spring)}
.rotator b{position:absolute;left:0;top:0;display:block;white-space:nowrap;background:linear-gradient(92deg,var(--c),var(--g));-webkit-background-clip:text;background-clip:text;color:transparent}
.rotator b.out{animation:rotOut .55s var(--ease) forwards}
.rotator b.in-a{animation:rotIn .7s var(--spring)}
@keyframes rotIn{from{transform:translate3d(0,105%,0) rotate(3deg);opacity:0}to{transform:none;opacity:1}}
@keyframes rotOut{to{transform:translate3d(0,-105%,0) rotate(-3deg);opacity:0}}
.hero-sub{max-width:660px;color:var(--mut);font-size:clamp(15px,1.5vw,18px);margin:0 0 34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;max-width:800px;padding-top:30px;border-top:1px solid var(--line)}
.hero-stats b{display:block;font-size:clamp(26px,3.4vw,42px);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.hero-stats span{font-size:12.5px;color:var(--mut2)}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:9px;font-size:10.5px;letter-spacing:.22em;color:var(--mut2);text-transform:uppercase}
.scroll-hint i{width:1px;height:44px;background:linear-gradient(var(--mut2),transparent);position:relative;overflow:hidden}
.scroll-hint i::after{content:"";position:absolute;inset:0;background:#fff;animation:drop 1.8s cubic-bezier(.7,0,.3,1) infinite}
@keyframes drop{0%{transform:translateY(-100%)}100%{transform:translateY(100%)}}

/* ---------- marquee ---------- */
.marquee{border-block:1px solid var(--line);padding-block:16px;overflow:hidden;background:rgba(255,255,255,.02)}
.marquee-row{display:flex;gap:34px;white-space:nowrap;width:max-content;will-change:transform}
.marquee-row.rev{margin-top:10px;opacity:.45}
.marquee span{font-size:clamp(17px,2.1vw,26px);font-weight:700;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.3);display:flex;align-items:center;gap:34px}
.marquee span::after{content:"◆";-webkit-text-stroke:0;color:var(--p);font-size:11px}

/* ---------- products ---------- */
.prod{display:grid;grid-template-columns:340px 1fr;gap:46px;align-items:center;padding:44px;margin-bottom:22px;
  border:1px solid var(--line);border-radius:28px;background:var(--panel);position:relative;overflow:hidden;
  transition:border-color .5s,box-shadow .6s var(--ease);will-change:transform}
.prod:hover{border-color:var(--line2);box-shadow:0 30px 80px -30px rgba(0,0,0,.9)}
.prod-visual{position:relative;display:grid;place-items:center;min-height:250px}
.prod-glow{position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,var(--pg),transparent 62%);opacity:.35;filter:blur(24px);
  animation:breathe 6s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.32}50%{transform:scale(1.18);opacity:.5}}
.prod-icon{position:relative;width:128px;height:128px;border-radius:29px;box-shadow:0 22px 60px -14px rgba(0,0,0,.9);transition:transform .8s var(--spring)}
.prod:hover .prod-icon{transform:translateY(-8px) scale(1.05)}
.prod-icon-mark svg{border-radius:29px}
.prod-rings{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.prod-rings i{position:absolute;border:1px solid rgba(255,255,255,.09);border-radius:50%;animation:ring 5s ease-out infinite}
.prod-rings i:nth-child(1){width:180px;height:180px}
.prod-rings i:nth-child(2){width:180px;height:180px;animation-delay:1.7s}
.prod-rings i:nth-child(3){width:180px;height:180px;animation-delay:3.4s}
@keyframes ring{0%{transform:scale(.75);opacity:0}20%{opacity:.8}100%{transform:scale(1.75);opacity:0}}
.prod-top{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.prod-top h3{margin:0;font-size:clamp(28px,3.6vw,42px);font-weight:700;letter-spacing:-.03em}
.prod-tagline{font-family:var(--f-mono);font-size:13px;color:var(--c);letter-spacing:.04em}
.prod-stats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.prod-stats span{font-size:12.5px;color:var(--mut);padding:5px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(0,0,0,.25)}
.prod-stats b{color:#fff;font-weight:600}
.prod-rank{border-color:rgba(255,176,32,.4)!important;color:#ffcf7a!important;background:rgba(255,176,32,.08)!important}
.prod-body>p{color:var(--mut);font-size:15.5px;margin:0 0 20px;max-width:62ch}
.prod-feat{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0 0 26px}
.prod-feat li{font-size:13px;padding:6px 14px;border-radius:10px;background:rgba(124,92,255,.1);border:1px solid rgba(124,92,255,.26);color:#cbb8ff;
  transition:transform .5s var(--spring),background .4s}
.prod:hover .prod-feat li{background:rgba(124,92,255,.16)}
.prod-feat li:hover{transform:translateY(-3px)}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.about-copy p{color:var(--mut);margin:0 0 18px}
.ticks{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:12px}
.ticks li{position:relative;padding-left:30px;font-size:15px}
.ticks li::before{content:"";position:absolute;left:0;top:.6em;width:16px;height:2px;background:var(--grad);border-radius:2px}
.about-cards{display:grid;gap:16px}
.card{position:relative;padding:26px;border:1px solid var(--line);border-radius:var(--r);background:var(--panel);overflow:hidden;
  transition:border-color .5s;will-change:transform}
.card::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .6s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(124,92,255,.17),transparent 60%)}
.card:hover::before{opacity:1}
.card:hover{border-color:var(--line2)}
.card-ic{font-size:22px;color:var(--c);margin-bottom:10px}
.card h3{margin:0 0 8px;font-size:18px;font-weight:600;position:relative}
.card p{margin:0;color:var(--mut);font-size:14.5px;position:relative}

/* ---------- studios ---------- */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cap{position:relative;padding:34px 28px 30px;border:1px solid var(--line);border-radius:22px;background:var(--panel);overflow:hidden;
  transition:border-color .5s,box-shadow .6s var(--ease);will-change:transform}
.cap::after{content:"";position:absolute;inset:0;border-radius:22px;padding:1px;opacity:0;transition:opacity .55s;pointer-events:none;
  background:linear-gradient(140deg,var(--c1),var(--c2));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.cap::before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;top:-140px;right:-110px;background:radial-gradient(circle,var(--c1),transparent 62%);opacity:.22;transition:opacity .6s,transform .9s var(--ease)}
.cap:hover{box-shadow:0 28px 70px -28px rgba(0,0,0,.85)}
.cap:hover::after{opacity:1}
.cap:hover::before{opacity:.45;transform:scale(1.3)}
.cap-no{position:absolute;top:22px;right:26px;font-family:var(--f-mono);font-size:12px;color:var(--mut2)}
.cap-ic{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;font-size:21px;margin-bottom:18px;
  background:linear-gradient(140deg,var(--c1),var(--c2));color:#fff;box-shadow:0 10px 26px -8px var(--c1);transition:transform .7s var(--spring)}
.cap:hover .cap-ic{transform:rotate(-8deg) scale(1.08)}
.cap h3{margin:0 0 10px;font-size:20px;font-weight:600;position:relative}
.cap p{margin:0 0 18px;color:var(--mut);font-size:14.5px;min-height:84px;position:relative}
.cap ul{list-style:none;display:flex;flex-wrap:wrap;gap:7px;padding:0;margin:0;position:relative}
.cap ul li{font-family:var(--f-mono);font-size:11px;padding:4px 10px;border:1px solid var(--line);border-radius:999px;color:var(--mut)}

/* ---------- engine ---------- */
.engine{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.engine-steps{display:grid;gap:8px}
.step{position:relative;display:flex;align-items:center;gap:16px;width:100%;text-align:left;padding:18px 20px;border-radius:14px;overflow:hidden;
  border:1px solid var(--line);background:transparent;cursor:pointer;transition:background .5s,border-color .5s,transform .55s var(--spring)}
.step b{font-family:var(--f-mono);font-size:12px;color:var(--mut2);transition:color .4s;position:relative}
.step span{font-size:16px;font-weight:500;color:var(--mut);transition:color .4s;position:relative}
.step:hover{background:rgba(255,255,255,.05);transform:translateX(6px)}
.step.is-on{background:linear-gradient(100deg,rgba(124,92,255,.18),rgba(34,211,238,.07));border-color:rgba(124,92,255,.45)}
.step.is-on b{color:var(--c)}
.step.is-on span{color:#fff}
.step-bar{position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--grad)}
.step.is-on .step-bar{animation:fill 4600ms linear forwards}
.step.is-on.no-auto .step-bar{animation:none;width:100%}
@keyframes fill{to{width:100%}}
.engine-panel{position:relative;min-height:290px;padding:38px 36px;border:1px solid var(--line);border-radius:22px;background:var(--panel);overflow:hidden}
.engine-panel::before{content:"";position:absolute;top:-120px;left:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(124,92,255,.22),transparent 65%)}
.ep{display:none;position:relative}
.ep.is-on{display:block}
.ep.is-on h3{animation:epIn .7s var(--spring) both}
.ep.is-on p{animation:epIn .7s var(--spring) .06s both}
.ep.is-on .chips{animation:epIn .7s var(--spring) .12s both}
@keyframes epIn{from{opacity:0;transform:translate3d(0,22px,0)}to{opacity:1;transform:none}}
.ep h3{margin:0 0 14px;font-size:clamp(20px,2.4vw,28px);font-weight:600;letter-spacing:-.015em}
.ep p{margin:0 0 22px;color:var(--mut);font-size:15.5px;max-width:56ch}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-family:var(--f-mono);font-size:11.5px;padding:6px 13px;border-radius:999px;border:1px solid rgba(124,92,255,.35);background:rgba(124,92,255,.1);color:#cbb8ff}

/* ---------- plans ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{position:relative;padding:34px 30px;border:1px solid var(--line);border-radius:22px;background:var(--panel);transition:border-color .5s,box-shadow .6s var(--ease);will-change:transform}
.plan:hover{border-color:var(--line2);box-shadow:0 28px 70px -30px rgba(0,0,0,.85)}
.plan-hi{background:linear-gradient(165deg,rgba(124,92,255,.16),rgba(255,79,163,.06));border-color:rgba(124,92,255,.4)}
.plan-badge{position:absolute;top:-11px;left:30px;padding:4px 13px;border-radius:999px;background:var(--grad);font-size:11px;font-weight:600}
.plan h3{margin:0 0 6px;font-size:22px;font-weight:600}
.plan-for{margin:0 0 16px;font-size:12.5px;color:var(--c);font-family:var(--f-mono)}
.plan p{color:var(--mut);font-size:14.5px;margin:0 0 18px}
.plan ul{list-style:none;padding:18px 0 0;margin:0;display:grid;gap:9px;border-top:1px solid var(--line)}
.plan ul li{position:relative;padding-left:22px;font-size:14px}
.plan ul li::before{content:"✦";position:absolute;left:0;color:var(--p);font-size:11px}

/* ---------- faq ---------- */
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font-size:17px;font-weight:500;position:relative;transition:color .4s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--c);transition:transform .5s var(--spring)}
.faq details[open] summary::after{transform:translateY(-50%) rotate(135deg)}
.faq summary:hover{color:var(--c)}
.faq p{margin:0 0 24px;color:var(--mut);font-size:15px;max-width:70ch;animation:epIn .5s var(--ease)}

/* ---------- contact ---------- */
.contact-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;padding:clamp(30px,4vw,56px);border:1px solid var(--line);border-radius:28px;
  background:linear-gradient(150deg,rgba(124,92,255,.12),rgba(34,211,238,.05));position:relative;overflow:hidden}
.contact-box::before{content:"";position:absolute;width:420px;height:420px;right:-140px;bottom:-180px;border-radius:50%;background:radial-gradient(circle,rgba(255,79,163,.22),transparent 65%)}
.contact-left{position:relative}
.contact-left p{color:var(--mut);font-size:15.5px}
.cinfo{list-style:none;padding:26px 0 0;margin:26px 0 0;border-top:1px solid var(--line);display:grid;gap:14px}
.cinfo li{display:flex;flex-direction:column;gap:2px}
.cinfo b{font-size:11.5px;font-family:var(--f-mono);letter-spacing:.14em;color:var(--mut2);text-transform:uppercase;font-weight:400}
.cinfo a{color:var(--c);transition:opacity .4s}
.cinfo-note{font-size:12.5px;color:var(--mut2);margin-top:3px}
.cinfo a:hover{opacity:.7}
.contact-form{position:relative;display:grid;gap:16px;align-content:start}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:7px}
.field>span{font-size:12.5px;color:var(--mut2)}
.field input,.field select,.field textarea{width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--line);background:rgba(0,0,0,.28);
  outline:none;transition:border-color .4s,box-shadow .4s,background .4s;font-size:14.5px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(124,92,255,.7);box-shadow:0 0 0 4px rgba(124,92,255,.14);background:rgba(0,0,0,.42)}
.field input.err,.field textarea.err{border-color:#ff5c7a;box-shadow:0 0 0 4px rgba(255,92,122,.13)}
.field select option{background:#0b0d16}
.contact-form .btn{justify-self:start;margin-top:4px}
.f-note{margin:0;font-size:13.5px;min-height:20px;color:var(--g)}
.f-note.bad{color:#ff5c7a}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding-block:60px 30px;background:linear-gradient(180deg,transparent,rgba(124,92,255,.06))}
.foot-top{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;padding-bottom:44px}
.foot-brand p{color:var(--mut);font-size:14.5px;margin:16px 0 0;max-width:38ch}
.foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.foot-cols h4{margin:0 0 14px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mut2);font-weight:500}
.foot-cols a{display:block;font-size:14px;color:var(--mut);padding:4px 0;transition:color .4s,transform .5s var(--spring)}
.foot-cols a:hover{color:#fff;transform:translateX(5px)}
.foot-bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line);font-size:12.5px;color:var(--mut2)}
.foot-links{display:flex;gap:20px}
.foot-links a:hover{color:#fff}

.totop{position:fixed;right:22px;bottom:22px;z-index:800;width:44px;height:44px;border-radius:50%;border:1px solid var(--line2);
  background:rgba(10,12,20,.8);backdrop-filter:blur(10px);color:#fff;cursor:pointer;opacity:0;pointer-events:none;
  transition:opacity .5s,transform .6s var(--spring),background .4s}
.totop.on{opacity:1;pointer-events:auto}
.totop:hover{background:var(--grad);transform:translateY(-4px)}

/* ---------- legal pages ---------- */
.legal{padding:150px 0 90px}
.legal h1{font-size:clamp(30px,5vw,50px);margin:0 0 10px;letter-spacing:-.02em}
.legal .upd{color:var(--mut2);font-family:var(--f-mono);font-size:12.5px;margin-bottom:40px}
.legal h2{font-size:20px;margin:38px 0 12px;color:#fff}
.legal p,.legal li{color:var(--mut);font-size:15px}
.legal ul{padding-left:20px}
.legal a{color:var(--c)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .about-grid,.engine,.contact-box,.foot-top,.prod{grid-template-columns:1fr;gap:34px}
  .prod{padding:32px;text-align:left}
  .prod-visual{min-height:200px}
  .caps,.plans{grid-template-columns:repeat(2,1fr)}
  .cap p{min-height:0}
}
@media (max-width:900px){
  .nav-links{position:fixed;inset:0;height:100svh;flex-direction:column;justify-content:center;gap:6px;
    background:rgba(6,7,12,.97);backdrop-filter:blur(24px);transform:translateY(-100%);transition:transform .7s var(--ease);z-index:-1}
  .nav-links.open{transform:none}
  .nav-links a{font-size:24px;padding:12px 24px}
  .nav-pill{display:none}
  .burger{display:flex}
  .nav .btn-sm{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px}
  }
@media (max-width:640px){
  .caps,.plans,.f-row,.foot-cols{grid-template-columns:1fr}
  .sec{padding-block:70px}
  .wrap{padding-inline:18px}
  .hero-in{padding-inline:18px}
  .contact-box{padding:26px 20px}
  .foot-bot{flex-direction:column}
  .prod{padding:24px 20px}
  .prod-top h3{font-size:30px}
}

/* ================= cinematic scroll sequence ================= */
.cine{position:relative;height:380vh;--p:0}
.cine-stage{
  position:absolute;top:0;left:0;right:0;height:100svh;min-height:620px;overflow:hidden;will-change:transform;
  /* every phase below is derived from --p, written once per frame by JS */
  --type:  clamp(0, calc(var(--p) / .30), 1);                 /* prompt typing      */
  --send:  clamp(0, calc((var(--p) - .30) / .06), 1);         /* submit pulse       */
  --e:     clamp(0, calc((var(--p) - .36) / .08), 1);         /* intro exit         */
  --g:     clamp(0, calc((var(--p) - .37) / .10), 1);         /* gallery enters     */
  --split: clamp(0, calc((var(--p) - .48) / .38), 1);         /* fly-through        */
  --fin:   clamp(0, calc((var(--p) - .84) / .16), 1);         /* closing statement  */
  --zoom:  calc(.60 + var(--split) * 1.95);
}
.cine-bg{position:absolute;inset:0;background:
  radial-gradient(70% 55% at 50% 42%,rgba(124,92,255,.17),transparent 70%),
  radial-gradient(50% 40% at 80% 80%,rgba(255,79,163,.13),transparent 70%);
  opacity:calc(1 - var(--split) * .7)}

/* --- act 1: headline + composer --- */
.cine-intro{position:absolute;left:50%;top:calc(50% - 218px);z-index:5;width:min(900px,100vw - 48px);text-align:center;
  transform:translate(-50%,calc(var(--e) * -46px)) scale(calc(1 - var(--e) * .08));opacity:calc(1 - var(--e));will-change:transform,opacity}
.cine-intro h2{margin:0 0 12px;font-size:clamp(30px,5.4vw,64px);font-weight:700;letter-spacing:-.035em;line-height:1.1}
.cine-intro p{margin:0;color:var(--mut);font-size:clamp(14px,1.5vw,17px)}

.cine-composer{position:absolute;left:50%;top:50%;z-index:10;width:min(620px,100vw - 40px);
  padding:18px 18px 12px;border:1px solid var(--line2);border-radius:22px;background:rgba(12,14,22,.86);backdrop-filter:blur(16px);
  box-shadow:0 30px 90px -30px #000,0 0 0 calc(var(--send) * 8px) rgba(124,92,255,calc(.25 - var(--send) * .25));
  transform:translate(-50%,calc(-50% + var(--e) * -34px)) scale(calc(1 - var(--e) * .1));
  opacity:calc(1 - var(--e));will-change:transform,opacity}
.cine-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.cine-chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--fg);padding:6px 12px;border-radius:10px;
  background:rgba(255,255,255,.055);border:1px solid var(--line)}
.cine-chip i{width:15px;height:15px;border-radius:4px;display:block}
.ic-doc{background:linear-gradient(140deg,#ff6b6b,#ff4fa3)}
.ic-img{background:linear-gradient(140deg,#5ce1a6,#22d3ee)}
.cine-prompt{margin:0 0 6px;min-height:3.1em;font-size:clamp(14.5px,1.6vw,17px);line-height:1.55;color:var(--fg);text-align:left}
.cine-prompt .caret{display:inline-block;width:2px;height:1.05em;margin-left:2px;vertical-align:-.16em;background:var(--c);
  animation:caret 1s steps(1) infinite;opacity:calc(1 - var(--send))}
@keyframes caret{0%,49%{opacity:1}50%,100%{opacity:0}}
.cine-bar{display:flex;align-items:center;justify-content:space-between;padding-top:6px}
.cine-plus{color:var(--mut2);font-size:19px;line-height:1}
.cine-send{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;
  transform:scale(calc(1 + var(--send) * .16));box-shadow:0 0 calc(var(--send) * 26px) rgba(124,92,255,.8)}

.cine-hint{position:absolute;left:50%;bottom:38px;z-index:6;transform:translateX(-50%);display:flex;align-items:center;gap:10px;
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--mut2);opacity:calc(1 - var(--e))}
.cine-hint i{width:22px;height:1px;background:var(--mut2);position:relative;overflow:hidden}
.cine-hint i::after{content:"";position:absolute;inset:0;background:#fff;animation:drop2 1.7s cubic-bezier(.7,0,.3,1) infinite}
@keyframes drop2{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* --- act 2: the output gallery flying past the camera --- */
.cine-gallery{position:absolute;left:50%;top:50%;z-index:2;display:flex;gap:34px;
  transform:translate(-50%,-50%) scale(var(--zoom));
  opacity:calc(var(--g) * (1 - var(--fin)));
  filter:blur(calc(var(--fin) * 10px));
  will-change:transform,opacity}
.cine-col{display:flex;flex-direction:column;gap:34px;width:clamp(190px,17vw,250px);
  transform:translate3d(0,calc(var(--x) * 1px + var(--dir) * var(--split) * 260px),0);
  will-change:transform}
.cine-tile{margin:0;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.09);background:rgba(12,14,21,.94);
  box-shadow:0 24px 60px -26px #000}
.cine-art{display:block;height:clamp(140px,15vw,200px);background:linear-gradient(135deg,var(--a),var(--b));position:relative;filter:saturate(.62) brightness(.72)}
.cine-art::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.08) 0 2px,transparent 2px 18px),linear-gradient(180deg,transparent 45%,rgba(0,0,0,.45))}
.cine-art::after{content:"";position:absolute;inset:-25%;mix-blend-mode:overlay;
  background:radial-gradient(circle at 32% 28%,rgba(255,255,255,.38),transparent 48%),radial-gradient(circle at 74% 72%,rgba(0,0,0,.55),transparent 54%)}
.cine-tile figcaption{display:block;padding:9px 13px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;color:var(--mut);text-transform:uppercase}

/* --- act 3: the closing statement --- */
.cine-final{position:absolute;left:50%;top:50%;z-index:12;width:min(880px,100vw - 48px);text-align:center;
  transform:translate(-50%,calc(-50% + (1 - var(--fin)) * 40px));opacity:var(--fin);
  pointer-events:none;will-change:transform,opacity}
.cine-final.live{pointer-events:auto}
.cine-final h2{margin:0 0 16px;font-size:clamp(30px,5.4vw,64px);font-weight:700;letter-spacing:-.035em;line-height:1.1}
.cine-final h2 em{font-style:normal;background:var(--grad);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shift 8s linear infinite}
.cine-final p{margin:0 auto 28px;max-width:60ch;color:var(--mut);font-size:clamp(14px,1.5vw,17px)}

/* --- static fallback: touch, narrow screens, reduced motion --- */
@media (max-width:900px){
  .cine{height:auto}
  .cine-stage{position:relative;height:auto;min-height:0;padding:80px 18px;overflow:hidden;
    --type:1;--send:0;--e:0;--g:1;--split:0;--fin:1;--zoom:1}
  .cine-intro,.cine-composer,.cine-gallery,.cine-final{position:static;transform:none;opacity:1;width:auto;filter:none}
  .cine-intro{margin-bottom:26px}
  .cine-composer{margin:0 auto 40px;box-shadow:0 30px 90px -30px #000}
  .cine-hint{display:none}
  .cine-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:40px}
  .cine-col{width:auto;gap:14px;transform:none}
  .cine-col:nth-child(n+5){display:none}
  .cine-tile:nth-child(n+3){display:none}
  .cine-final{pointer-events:auto}
}