/* =====================================================================
   SOTECH — v3 "FABLE"
   A cinematic technology experience. Dark-first, editorial, systems-led.
   Type: Syne (display) · Instrument Serif (voice) · JetBrains Mono (machine)
   ===================================================================== */

/* ---------- tokens ---------- */
:root{
  --void:#050506; --coal:#0A0A0D; --slate:#101016; --panel:#14141B;
  --bone:#F4F2EC; --dim:#A6A39B; --mute:#64625C;
  --line:rgba(244,242,236,.08); --line2:rgba(244,242,236,.15); --line3:rgba(244,242,236,.26);
  --sig:#8FB4FF; --sig2:#C0D4FF; --sig-glow:rgba(143,180,255,.35);
  --ac:var(--sig); --ac2:var(--sig2); --ac-glow:var(--sig-glow);
  --f-disp:'Bricolage Grotesque',-apple-system,sans-serif;
  --f-body:'Instrument Sans',-apple-system,sans-serif;
  --f-voice:'Instrument Serif',Georgia,serif;
  --f-mono:'JetBrains Mono',ui-monospace,monospace;
  --eo:cubic-bezier(.19,1,.22,1); --eb:cubic-bezier(.34,1.56,.64,1);
  --pad:clamp(20px,5vw,96px); --maxw:1680px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scrollbar-color:#2a2a33 var(--void)}
body{font-family:var(--f-body);background:var(--void);color:var(--bone);line-height:1.6;font-size:15px;
  overflow-x:hidden;min-height:100vh;-webkit-font-smoothing:antialiased}
body.lock{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
::selection{background:var(--bone);color:#000}

/* ---------- primitives ---------- */
.mono{font-family:var(--f-mono);font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--mute)}
.eyebrow{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.32em;text-transform:uppercase;color:var(--ac2);display:inline-flex;align-items:center;gap:.8em}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--ac)}
.voice{font-family:var(--f-voice);font-style:italic;font-weight:400;letter-spacing:0;margin:0 .07em}
.btn{display:inline-flex;align-items:center;gap:.7em;font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  padding:17px 30px;border-radius:2px;border:1px solid var(--line3);color:var(--bone);position:relative;overflow:hidden;background:rgba(244,242,236,.02);transition:color .4s,border-color .4s}
.btn>*{position:relative;z-index:1}
.btn::after{content:"";position:absolute;inset:0;background:var(--bone);transform:scaleY(0);transform-origin:bottom;transition:transform .45s var(--eo)}
.btn:hover{color:#000;border-color:var(--bone)}
.btn:hover::after{transform:scaleY(1)}
.btn--ac{background:var(--ac);border-color:var(--ac);color:#000}
.btn--ac::after{background:var(--bone)}
.btn--wa{background:#25D366;border-color:#25D366;color:#04160b}
.btn--wa::after{background:var(--bone)}.btn--wa:hover{color:#04160b}
.wa-ico{width:20px;height:20px;position:relative;z-index:1;flex:none}
.rv{opacity:0;transform:translateY(28px);transition:opacity .9s var(--eo),transform .9s var(--eo)}
.rv.in{opacity:1;transform:none}
html.reveal-off .rv{opacity:1!important;transform:none!important}

/* ---------- atmosphere ---------- */
.atm{position:fixed;inset:0;z-index:-2;pointer-events:none;background:
  radial-gradient(110% 70% at 50% -8%, rgba(143,180,255,.07), transparent 60%),var(--void)}
.atm__grid{position:absolute;inset:0;opacity:.5;background-image:
  linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:110px 110px;-webkit-mask-image:radial-gradient(130% 90% at 50% 12%,#000,transparent 78%);mask-image:radial-gradient(130% 90% at 50% 12%,#000,transparent 78%)}
.atm__grain{position:absolute;inset:-50%;opacity:.05;mix-blend-mode:overlay;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='.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");animation:grain 7s steps(7) infinite}
@keyframes grain{0%{transform:translate(0,0)}25%{transform:translate(-4%,3%)}50%{transform:translate(3%,-4%)}75%{transform:translate(-3%,-2%)}100%{transform:translate(0,0)}}
.atm__vig{position:absolute;inset:0;background:radial-gradient(135% 100% at 50% 45%,transparent 52%,rgba(0,0,0,.6))}

/* ---------- cursor ---------- */
.cur{position:fixed;top:0;left:0;z-index:9999;pointer-events:none;width:34px;height:34px;border:1px solid var(--bone);border-radius:50%;mix-blend-mode:difference;transition:width .3s var(--eo),height .3s var(--eo),background .3s}
.cur.hot{width:62px;height:62px;background:rgba(255,255,255,.14)}
.cur-dot{position:fixed;top:0;left:0;z-index:9999;pointer-events:none;width:4px;height:4px;background:var(--bone);border-radius:50%;mix-blend-mode:difference}
@media(hover:none){.cur,.cur-dot{display:none}}

/* ---------- boot ---------- */
.boot{position:fixed;inset:0;z-index:1000;background:var(--void);display:flex;flex-direction:column;justify-content:flex-end;padding:8vh var(--pad)}
.boot.gone{opacity:0;visibility:hidden;transition:opacity .7s,visibility .7s}
.boot__log{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;color:var(--mute);display:flex;flex-direction:column;gap:6px;margin-bottom:5vh;opacity:.85}
.boot__log b{color:var(--bone);font-weight:400}
.boot__log .ok{color:var(--sig)}
.boot__bar{height:1px;background:var(--line);position:relative;overflow:visible}
.boot__bar i{position:absolute;left:0;top:0;height:1px;width:0;background:var(--bone)}
.boot__pct{position:absolute;right:var(--pad);bottom:11vh;font-family:var(--f-disp);font-weight:800;font-size:clamp(60px,11vw,150px);line-height:.8;color:transparent;-webkit-text-stroke:1px rgba(244,242,236,.24);letter-spacing:-.02em}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:120;display:flex;align-items:center;justify-content:space-between;padding:22px var(--pad)}
.nav::before{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .5s;background:rgba(5,5,6,.72);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav.scr::before{opacity:1}
.nav.scr{padding:15px var(--pad)}
.nav__logo{display:flex;align-items:center;gap:12px;z-index:2}
.nav__logo img{width:32px;height:32px}
.nav__logo b{font-family:var(--f-disp);font-weight:700;font-size:15px;letter-spacing:.3em}
.nav__hud{display:flex;gap:26px;align-items:center}
.nav__hud .mono{font-size:10px}
.nav__menu-btn{display:flex;align-items:center;gap:12px;font-family:var(--f-mono);font-size:11px;letter-spacing:.3em;text-transform:uppercase;z-index:141;position:relative}
.nav__menu-btn i{display:flex;flex-direction:column;gap:5px;width:26px}
.nav__menu-btn i span{height:1.5px;background:var(--bone);transition:transform .4s var(--eo),opacity .3s}
body.menu-open .nav__menu-btn i span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
body.menu-open .nav__menu-btn i span:nth-child(2){opacity:0}
body.menu-open .nav__menu-btn i span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
/* fullscreen menu */
.menu{position:fixed;inset:0;z-index:130;background:rgba(5,5,6,.97);display:flex;flex-direction:column;justify-content:center;padding:0 var(--pad);clip-path:inset(0 0 100% 0);transition:clip-path .7s var(--eo);}
body.menu-open .menu{clip-path:inset(0 0 0% 0)}
.menu a.mlink{font-family:var(--f-disp);font-weight:700;font-size:clamp(42px,7.6vw,96px);line-height:1.14;letter-spacing:-.02em;color:var(--mute);transition:color .35s,letter-spacing .5s var(--eo);display:flex;align-items:baseline;gap:24px}
.menu a.mlink:hover{color:var(--bone);letter-spacing:.005em}
.menu a.mlink .mono{font-size:12px;color:var(--ac)}
.menu__foot{position:absolute;left:var(--pad);right:var(--pad);bottom:5vh;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding:0 var(--pad) 9vh;overflow:hidden}
#sys{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero__scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(5,5,6,.25),transparent 35%,rgba(5,5,6,.82) 82%)}
.hero__inner{position:relative;z-index:2}
.hero__eyebrow{margin-bottom:3.5vh}
.hero__h1{font-family:var(--f-disp);font-weight:800;font-size:clamp(46px,9.6vw,164px);line-height:.93;letter-spacing:-.025em;text-transform:uppercase}
.hero__h1 .ln{display:block;overflow:hidden;padding-bottom:.12em;margin-bottom:-.12em}
.hero__h1 .ln>span{display:block;transform:translateY(110%)}
.hero__h1 .voice{text-transform:none;font-weight:400;font-size:.94em;color:var(--ac2)}
.hero__sub{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-top:4.5vh;flex-wrap:wrap}
.hero__lead{max-width:500px;font-size:16px;line-height:1.7;color:var(--dim)}
.hero__stats{display:flex;gap:clamp(20px,3vw,44px);padding-right:clamp(0px,6vw,110px)}
.hstat b{font-family:var(--f-disp);font-weight:800;font-size:clamp(26px,3vw,44px);display:block;line-height:1}
.hstat span{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--mute);margin-top:8px;display:block}
.hero__cue{position:absolute;right:var(--pad);bottom:9vh;z-index:2;display:flex;flex-direction:column;align-items:center;gap:12px}
.hero__cue i{width:1px;height:52px;background:linear-gradient(var(--ac),transparent);animation:cue 2.1s var(--eo) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- ticker ---------- */
.tick{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;overflow:hidden;background:rgba(244,242,236,.015)}
.tick__row{display:flex;gap:56px;width:max-content;animation:tick 36s linear infinite}
.tick__row span{font-family:var(--f-mono);font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--dim);display:flex;align-items:center;gap:56px}
.tick__row b{color:var(--ac);font-weight:400}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- chapters (featured product films) ---------- */
.chapters{position:relative}
.chap{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;border-top:1px solid var(--line)}
.chap__env{position:absolute;inset:0;background:
  radial-gradient(120% 85% at 78% 18%,var(--ac-glow),transparent 58%),
  radial-gradient(90% 70% at 12% 88%,rgba(244,242,236,.03),transparent 60%),var(--coal)}
.chap__ghost{position:absolute;z-index:0;left:-2vw;bottom:-4vh;font-family:var(--f-disp);font-weight:800;font-size:clamp(120px,26vw,420px);line-height:.8;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1px rgba(244,242,236,.07);white-space:nowrap;pointer-events:none}
.chap__grid{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;padding:14vh var(--pad) 12vh;display:grid;grid-template-columns:minmax(0,44%) minmax(0,56%);gap:clamp(30px,4vw,70px);align-items:center}
.chap__num{font-family:var(--f-mono);font-size:12px;letter-spacing:.3em;color:var(--ac2);display:flex;align-items:center;gap:16px;margin-bottom:26px}
.chap__num::after{content:"";flex:1;max-width:120px;height:1px;background:var(--line2)}
.chap__title{font-family:var(--f-disp);font-weight:800;font-size:clamp(44px,5.8vw,96px);line-height:.98;letter-spacing:-.03em}
.chap__cat{margin-top:18px;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--ac2)}
.chap__lead{margin-top:24px;max-width:46ch;font-size:16px;line-height:1.75;color:var(--dim)}
.chap__tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.chap__tags span{font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);background:rgba(244,242,236,.05);padding:8px 14px;border-radius:100px}
.chap__cta{margin-top:34px;display:flex;gap:12px;flex-wrap:wrap}
/* media stack — one cinematic device, tilted into depth */
.chap__media{position:relative;z-index:2;perspective:1400px}
.dev{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line2);background:var(--slate);
  box-shadow:0 70px 140px -40px rgba(0,0,0,.9),0 0 140px -40px var(--ac-glow),inset 0 1px 0 rgba(255,255,255,.06);
  transform:rotateY(-9deg) rotateX(1.5deg);transform-style:preserve-3d;transition:transform .9s var(--eo)}
.chap:hover .dev{transform:rotateY(-4deg) rotateX(.5deg)}
.dev .bar{display:flex;align-items:center;gap:7px;padding:13px 16px;background:linear-gradient(180deg,#191922,#121218);border-bottom:1px solid var(--line)}
.dev .bar i{width:10px;height:10px;border-radius:50%;background:var(--line3)}
.dev .bar .url{margin-left:12px;font-family:var(--f-mono);font-size:10px;letter-spacing:.06em;color:var(--mute)}
.dev>img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top center;display:block}
.dev__glare{position:absolute;inset:0;pointer-events:none;background:linear-gradient(115deg,rgba(255,255,255,.09),transparent 28%,transparent 72%,rgba(255,255,255,.03));mix-blend-mode:screen}
.dev-phone{position:absolute;right:-14px;bottom:-30px;width:24%;min-width:120px;border-radius:26px;padding:7px;z-index:3;
  background:linear-gradient(160deg,#262630,#0d0d12);border:1px solid var(--line2);
  box-shadow:0 40px 80px -20px rgba(0,0,0,.85),0 0 70px -20px var(--ac-glow)}
.dev-phone img{border-radius:20px;width:100%;aspect-ratio:390/800;object-fit:cover;object-position:top center;display:block}
.chip{position:absolute;z-index:4;display:inline-flex;align-items:center;gap:9px;font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--bone);
  background:rgba(8,8,11,.86);border:1px solid var(--line2);padding:10px 15px;border-radius:100px;backdrop-filter:blur(6px)}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ac);box-shadow:0 0 10px var(--ac)}
.chip b{display:none}
.chip--1{left:-14px;top:-16px}
.chip--2{left:6%;bottom:-14px}
/* chapter progress rail */
.chap-rail{position:fixed;left:26px;top:50%;transform:translateY(-50%);z-index:80;display:flex;flex-direction:column;gap:12px;opacity:0;visibility:hidden;transition:opacity .5s}
.chap-rail.show{opacity:1;visibility:visible}
.chap-rail button{width:8px;height:8px;border-radius:50%;border:1px solid var(--line3);padding:0;transition:.35s var(--eo)}
.chap-rail button[aria-current="true"]{background:var(--ac);border-color:var(--ac);transform:scale(1.4);box-shadow:0 0 0 5px var(--ac-glow)}

/* ---------- index (the ledger) ---------- */
.ledger{padding:clamp(90px,14vh,180px) 0 clamp(70px,10vh,130px)}
.ledger__head{max-width:var(--maxw);margin:0 auto 50px;padding:0 var(--pad);display:flex;justify-content:space-between;align-items:flex-end;gap:26px;flex-wrap:wrap}
.ledger__title{font-family:var(--f-disp);font-weight:800;font-size:clamp(38px,6vw,92px);line-height:.98;letter-spacing:-.03em}
.lfilters{display:flex;gap:8px;flex-wrap:wrap}
.lfilter{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);padding:11px 16px;border:1px solid var(--line);border-radius:2px;transition:.3s}
.lfilter[aria-pressed="true"]{color:#000;background:var(--bone);border-color:var(--bone)}
.lrow{position:relative;display:grid;grid-template-columns:64px minmax(0,1.25fr) minmax(0,1fr) auto;gap:clamp(14px,2.5vw,40px);align-items:center;
  max-width:var(--maxw);margin:0 auto;padding:26px var(--pad);border-top:1px solid var(--line);transition:background .3s;cursor:pointer}
.lrow:last-child{border-bottom:1px solid var(--line)}
.lrow:hover{background:rgba(244,242,236,.025)}
.lrow__i{font-family:var(--f-mono);font-size:11px;color:var(--mute)}
.lrow__name{font-family:var(--f-disp);font-weight:600;font-size:clamp(20px,2.6vw,40px);letter-spacing:-.01em;line-height:1.05;transition:transform .4s var(--eo)}
.lrow:hover .lrow__name{transform:translateX(10px);color:var(--ac2)}
.lrow__tag{font-size:14px;color:var(--dim);line-height:1.6}
.lrow__meta{display:flex;align-items:center;gap:18px}
.lrow__meta .mono{font-size:10px}
.lrow__go{width:44px;height:44px;border:1px solid var(--line3);border-radius:50%;display:grid;place-items:center;transition:.35s var(--eo)}
.lrow:hover .lrow__go{background:var(--bone);color:#000;transform:rotate(-45deg)}
.lrow.hide{display:none}
/* floating preview (desktop) */
.lpeek{position:fixed;z-index:90;width:min(360px,28vw);aspect-ratio:16/10;border-radius:6px;overflow:hidden;border:1px solid var(--line2);pointer-events:none;opacity:0;transform:scale(.92) rotate(-2deg);transition:opacity .25s,transform .35s var(--eo);box-shadow:0 40px 90px rgba(0,0,0,.7)}
.lpeek.on{opacity:1;transform:scale(1) rotate(0)}
.lpeek img{width:100%;height:100%;object-fit:cover;object-position:top center}

/* ---------- systems ---------- */
.sys-sec{padding:clamp(100px,15vh,190px) var(--pad);border-top:1px solid var(--line);background:
  radial-gradient(100% 70% at 50% 0%,rgba(143,180,255,.05),transparent 55%),var(--void)}
.sys-sec__head{max-width:1100px;margin:0 auto 60px;text-align:center}
.sys-sec__title{font-family:var(--f-disp);font-weight:800;font-size:clamp(32px,4.6vw,68px);line-height:1;letter-spacing:-.03em}
.sys-sec__sub{margin-top:22px;color:var(--dim);font-size:16px;line-height:1.7;max-width:56ch;margin-left:auto;margin-right:auto}
.pipe{max-width:1240px;margin:0 auto;position:relative}
.pipe svg{width:100%;height:auto;display:block}
.pipe .node rect{fill:var(--panel);stroke:rgba(244,242,236,.16)}
.pipe .node.on rect{stroke:var(--sig);filter:drop-shadow(0 0 14px rgba(143,180,255,.35))}
.pipe .node text{fill:var(--bone);font-family:var(--f-mono);font-size:12.5px;letter-spacing:.14em}
.pipe .node .sub{fill:var(--mute);font-size:9px;letter-spacing:.1em}
.pipe .wire{stroke:rgba(244,242,236,.14);stroke-width:1.4;fill:none}
.pipe .flow{stroke:var(--sig);stroke-width:1.6;fill:none;stroke-dasharray:5 9;animation:flow 1.2s linear infinite;opacity:0}
.pipe .flow.on{opacity:1}
@keyframes flow{to{stroke-dashoffset:-14}}
.pipe__cap{margin:44px auto 0;max-width:660px;text-align:center;min-height:74px}
.pipe__cap b{font-family:var(--f-disp);font-weight:700;font-size:clamp(19px,2.2vw,28px);letter-spacing:.01em;display:block}
.pipe__cap p{margin-top:10px;color:var(--dim);font-size:15px;line-height:1.7}

/* ---------- studio ---------- */
.studio{padding:clamp(100px,15vh,190px) var(--pad);border-top:1px solid var(--line)}
.studio__inner{max-width:1240px;margin:0 auto}
.claim{font-family:var(--f-disp);font-weight:700;font-size:clamp(34px,5vw,82px);line-height:1.06;letter-spacing:-.03em;max-width:17ch}
.claim+.claim{margin-top:8vh}
.claim .voice{text-transform:none;font-weight:400;color:var(--ac2)}
.studio__nums{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:10vh}
.snum{background:var(--coal);padding:38px 30px}
.snum b{font-family:var(--f-disp);font-weight:800;font-size:clamp(34px,4vw,60px);display:block;line-height:1}
.snum span{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--mute);margin-top:12px;display:block}

/* ---------- contact ---------- */
.close{min-height:92svh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:14vh var(--pad);border-top:1px solid var(--line);position:relative;overflow:hidden}
.close__h{font-family:var(--f-disp);font-weight:800;font-size:clamp(44px,8.6vw,142px);line-height:.98;letter-spacing:-.03em}
.close__h .voice{text-transform:none;font-weight:400;color:var(--ac2)}
.close__p{margin-top:26px;max-width:520px;color:var(--dim);font-size:16px;line-height:1.7}
.vcard{display:inline-flex;align-items:center;gap:clamp(18px,3vw,42px);margin:44px auto 6px;padding:20px clamp(20px,3vw,36px);border:1px solid var(--line2);border-radius:4px;background:rgba(244,242,236,.02);text-align:left;flex-wrap:wrap;justify-content:center}
.vcard__mark{width:44px;height:44px;flex:none}
.vcard__who,.vcard__tel{display:flex;flex-direction:column;gap:5px}
.vcard__who b,.vcard__tel b{font-family:var(--f-disp);font-weight:600;font-size:clamp(16px,2vw,20px);color:var(--bone);white-space:nowrap}
.vcard__tel b{font-family:var(--f-mono);font-weight:500;letter-spacing:.04em}
.vcard__tel{padding-left:clamp(18px,3vw,42px);border-left:1px solid var(--line2)}
.vcard__tel:hover b{color:var(--ac2)}
.close__cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap;justify-content:center}
.foot{border-top:1px solid var(--line);padding:44px var(--pad);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot .mono{font-size:10px}

/* =====================================================================
   CASE PAGES (engine reuse, reskinned)
   ===================================================================== */
.cs-hero{min-height:88svh;display:flex;flex-direction:column;justify-content:flex-end;padding:140px var(--pad) 6vh;position:relative}
.cs-hero__eyebrow{margin-bottom:24px}
.cs-hero__title{font-family:var(--f-disp);font-weight:800;letter-spacing:-.03em;line-height:.96;font-size:clamp(42px,8.6vw,136px);max-width:14ch}
.cs-hero__lead{max-width:640px;margin-top:26px;font-size:clamp(15px,1.5vw,18px);color:var(--dim);line-height:1.7}
.cs-meta{display:flex;flex-wrap:wrap;gap:34px 44px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.cs-meta div{display:flex;flex-direction:column;gap:8px}
.cs-meta span{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--mute)}
.cs-meta b{font-weight:500;font-size:13px;color:var(--bone)}
.cs-cover{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.cs-cover figure{border-radius:8px;overflow:hidden;border:1px solid var(--line2)}
.cs-cover img{width:100%;height:auto;max-height:86vh;object-fit:cover;object-position:50% 12%;display:block}
.cs-cover--phone{display:flex;justify-content:center;gap:24px;padding:clamp(30px,5vh,70px) var(--pad);position:relative}
.cs-cover--phone::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 50% 40%,var(--ac-glow),transparent 70%);opacity:.5}
.cs-cover--phone .frame-phone:nth-child(2){transform:translateY(-26px) scale(1.04);z-index:2}
.cs-overview{max-width:1100px;margin:0 auto;padding:clamp(80px,12vh,150px) var(--pad)}
.cs-overview p{font-family:var(--f-disp);font-weight:600;font-size:clamp(20px,2.5vw,34px);line-height:1.3;letter-spacing:-.01em}
.cs-overview p+p{margin-top:26px;font-family:var(--f-body);font-weight:400;color:var(--dim);font-size:clamp(15px,1.5vw,17px);line-height:1.75}
.cs-narr{max-width:var(--maxw);margin:0 auto;padding:clamp(40px,7vh,90px) var(--pad);display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);align-items:center}
.cs-narr.flip .cs-narr__txt{order:2}
.cs-narr__txt .eyebrow{margin-bottom:20px}
.cs-narr__txt h3{font-family:var(--f-disp);font-weight:700;font-size:clamp(24px,3.2vw,44px);letter-spacing:-.01em;line-height:1.04}
.cs-narr__txt p{margin-top:18px;color:var(--dim);font-size:15.5px;line-height:1.75;max-width:52ch}
.cs-narr--text{grid-template-columns:1fr;max-width:1100px;border-left:2px solid var(--ac);padding-left:clamp(20px,3vw,44px)}
.cs-shot{border-radius:6px;overflow:hidden;border:1px solid var(--line2);position:relative;background:var(--slate)}
.cs-shot img{width:100%;display:block}
.cs-shot figcaption{position:absolute;left:14px;bottom:14px;font-family:var(--f-mono);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--bone);background:rgba(0,0,0,.6);padding:6px 11px;border-radius:2px}
.frame-browser{border-radius:6px;overflow:hidden;border:1px solid var(--line2);background:var(--slate)}
.frame-browser__bar{display:flex;align-items:center;gap:7px;padding:12px 15px;background:var(--panel);border-bottom:1px solid var(--line)}
.frame-browser__bar i{width:10px;height:10px;border-radius:50%;background:var(--line3)}
.frame-browser__url{margin-left:12px;font-family:var(--f-mono);font-size:10.5px;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.frame-phone{width:min(300px,72vw);margin:0 auto;border-radius:36px;padding:10px;background:linear-gradient(160deg,#20202a,#0c0c11);border:1px solid var(--line2);box-shadow:0 40px 90px rgba(0,0,0,.55)}
.frame-phone__scr{border-radius:27px;overflow:hidden;position:relative}
.cs-road{max-width:1100px;margin:0 auto;padding:clamp(70px,10vh,130px) var(--pad);position:relative}
.cs-road__line{position:absolute;left:calc(var(--pad) + 6px);top:clamp(70px,10vh,130px);bottom:clamp(70px,10vh,130px);width:2px;background:var(--line)}
.cs-road__fill{position:absolute;left:calc(var(--pad) + 6px);top:clamp(70px,10vh,130px);width:2px;height:0;background:linear-gradient(var(--ac),var(--ac2))}
.cs-step{position:relative;padding:0 0 clamp(34px,5vh,60px) 46px}
.cs-step::before{content:"";position:absolute;left:0;top:6px;width:13px;height:13px;border-radius:50%;background:var(--void);border:2px solid var(--line3);transition:.4s}
.cs-step.lit::before{background:var(--ac);border-color:var(--ac);box-shadow:0 0 0 6px var(--ac-glow)}
.cs-step .span{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ac2)}
.cs-step h4{font-family:var(--f-disp);font-weight:700;font-size:clamp(18px,2.2vw,27px);margin:9px 0}
.cs-step p{color:var(--dim);font-size:15px;line-height:1.7;max-width:56ch}
.cs-feat{max-width:var(--maxw);margin:0 auto;padding:clamp(40px,7vh,80px) var(--pad)}
.cs-feat .section__head{margin-bottom:40px}
.section__title{font-family:var(--f-disp);font-weight:800;letter-spacing:-.03em;line-height:1;font-size:clamp(30px,4.6vw,64px)}
.cs-feat__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cs-feat__grid>div{background:var(--coal);padding:34px 30px}
.cs-feat__grid b{font-family:var(--f-disp);font-weight:700;font-size:18px;display:block}
.cs-feat__grid p{color:var(--dim);font-size:14.5px;line-height:1.7;margin-top:13px}
.cs-gal{padding:clamp(40px,7vh,80px) 0;overflow:hidden}
.cs-gal__track{display:flex;gap:22px;padding:0 var(--pad);overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
.cs-gal__track::-webkit-scrollbar{display:none}
.cs-gal__track figure{flex:0 0 min(760px,86vw);aspect-ratio:16/10;scroll-snap-align:center;border-radius:6px;overflow:hidden;border:1px solid var(--line2);background:var(--slate)}
.cs-gal--phone .cs-gal__track figure{flex-basis:min(300px,62vw);aspect-ratio:1000/2100;border-radius:22px}
.cs-gal__track figure img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}
.cs-sticky{position:fixed;right:24px;bottom:24px;z-index:90;transform:translateY(130px);transition:transform .5s var(--eo)}
.cs-sticky.show{transform:none}
.cs-next{border-top:1px solid var(--line);padding:clamp(70px,12vh,150px) var(--pad);text-align:center}
.cs-next a{font-family:var(--f-disp);font-weight:800;font-size:clamp(36px,6.6vw,98px);letter-spacing:-.03em;line-height:.98;display:inline-block;transition:transform .5s var(--eo),color .4s}
.cs-next a:hover{transform:translateX(10px);color:var(--ac2)}
.cs-next .mono{margin-bottom:20px;display:block}
.modal{position:fixed;inset:0;z-index:400;display:grid;place-items:center;padding:24px;background:rgba(4,4,6,.88);opacity:0;visibility:hidden;transition:.4s}
.modal.open{opacity:1;visibility:visible}
.modal__card{max-width:440px;background:var(--coal);border:1px solid var(--line2);border-radius:6px;padding:38px;text-align:center;transform:translateY(16px);transition:.5s var(--eo)}
.modal.open .modal__card{transform:none}
.modal__card h3{font-family:var(--f-disp);font-weight:700;font-size:24px;margin:18px 0 12px}
.modal__card p{color:var(--dim);font-size:15px;line-height:1.7;margin-bottom:26px}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .chap__grid{grid-template-columns:1fr;gap:44px}
  .chap__media{perspective:none}
  .dev{transform:none}
  .dev-phone{right:6px;bottom:-22px;width:26%}
  .chip{display:none}
  .cs-narr{grid-template-columns:1fr;gap:32px}
  .cs-narr.flip .cs-narr__txt{order:0}
  .cs-feat__grid{grid-template-columns:1fr}
  .lrow{grid-template-columns:44px minmax(0,1fr) auto}
  .lrow__tag{display:none}
  .studio__nums{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  :root{--pad:clamp(18px,5.5vw,32px)}
  .btn{padding:15px 24px;font-size:11px}
  .hero{padding-bottom:12vh}
  .hero__h1{font-size:clamp(40px,11.5vw,72px)}
  .hero__cue{display:none}
  .hero__stats{width:100%;justify-content:space-between}
  .chap{min-height:auto}
  .chap__grid{padding:12vh var(--pad) 10vh}
  .chap__ghost{font-size:clamp(90px,30vw,180px);opacity:.7}
  .chap-rail{display:none}
  .lpeek{display:none}
  .menu a.mlink{font-size:clamp(38px,10.5vw,64px)}
  .atm__grain{animation:none;mix-blend-mode:normal;opacity:.035}
  .atm__grid{background-size:70px 70px;opacity:.35}
  .nav::before{backdrop-filter:none;background:rgba(5,5,6,.94)}
  .chip{backdrop-filter:none;background:rgba(8,8,11,.95)}
  .cs-shot figcaption{background:rgba(0,0,0,.7)}
  .vcard{flex-direction:column;text-align:center;border-radius:6px;width:100%;max-width:420px}
  .vcard__who,.vcard__tel{align-items:center}
  .vcard__tel{padding-left:0;border-left:0;border-top:1px solid var(--line2);padding-top:16px;width:100%}
  .close__cta .btn{flex:1;justify-content:center}
  .cs-sticky{right:14px;bottom:max(14px,env(safe-area-inset-bottom))}
  .cs-gal__track figure{flex-basis:88vw}
  .cs-gal--phone .cs-gal__track figure{flex-basis:62vw}
  .snum{padding:26px 20px}
}
@media (max-width:480px){.studio__nums{grid-template-columns:1fr 1fr}.hstat b{font-size:24px}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.05ms!important}
  .atm__grain{display:none}
  .hero__h1 .ln>span{transform:none}
}