/* =====================================================================
   SoTech — v2 "Nocturne Gallery"
   Fresh cinematic identity. Monochrome graphite canvas; each project
   brings its own colour. Logo unchanged.
   ===================================================================== */

/* ---------- tokens ---------- */
:root{
  /* canvas */
  --bg:#08080B; --bg-1:#0B0B10; --bg-2:#111119; --bg-3:#181822;
  --ink:#ECE9E2; --ink-dim:#A6A39B; --ink-mute:#6B6963;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14); --line-3:rgba(255,255,255,.22);

  /* accent (overridden per project via [data-accent]) */
  --accent:#6E7BFF; --accent-2:#9AA6FF; --accent-glow:rgba(110,123,255,.40);

  /* type */
  --f-sans:'Space Grotesk',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --f-disp:'Fraunces',Georgia,serif;
  --f-mono:'JetBrains Mono',ui-monospace,monospace;

  /* motion */
  --e-out:cubic-bezier(.22,.94,.34,1);
  --e-back:cubic-bezier(.34,1.56,.64,1);
  --e-smooth:cubic-bezier(.65,.05,.36,1);

  /* rhythm */
  --pad:clamp(20px,5vw,90px);
  --maxw:1600px;
  --r:14px; --r-lg:24px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-sans);
  background:var(--bg); color:var(--ink);
  line-height:1.5; letter-spacing:-.01em;
  overflow-x:hidden; min-height:100vh;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
body.is-locked{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(--accent);color:#000}

/* ---------- background system ---------- */
.bg{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.bg__base{position:absolute;inset:0;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(110,123,255,.10), transparent 60%),
    radial-gradient(90% 60% at 85% 110%, rgba(255,255,255,.04), transparent 55%),
    linear-gradient(180deg,#070709,#0A0A0F 40%,#08080B);
}
.bg__spot{position:absolute;width:70vmax;height:70vmax;left:var(--sx,50%);top:var(--sy,30%);
  transform:translate(-50%,-50%);
  background:radial-gradient(circle, var(--accent-glow), transparent 62%);
  opacity:.5;filter:blur(30px);transition:left .9s var(--e-out),top .9s var(--e-out),background .8s linear;mix-blend-mode:screen}
.bg__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:88px 88px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 20%,#000,transparent 75%);
          mask-image:radial-gradient(120% 90% at 50% 20%,#000,transparent 75%);}
.bg__grain{position:absolute;inset:-50%;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");animation:grain 6s steps(6) infinite}
.bg__vig{position:absolute;inset:0;background:radial-gradient(130% 100% at 50% 45%,transparent 55%,rgba(0,0,0,.55));}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-4%,3%)}40%{transform:translate(3%,-4%)}60%{transform:translate(-3%,-3%)}80%{transform:translate(4%,3%)}100%{transform:translate(0,0)}}

/* ---------- cursor ---------- */
.cur,.cur-dot{position:fixed;top:0;left:0;z-index:9999;pointer-events:none;border-radius:50%;mix-blend-mode:difference}
.cur{width:38px;height:38px;border:1px solid #fff;transform:translate(-50%,-50%);transition:width .3s var(--e-out),height .3s var(--e-out),background .3s}
.cur-dot{width:5px;height:5px;background:#fff;transform:translate(-50%,-50%)}
.cur.is-hot{width:64px;height:64px;background:rgba(255,255,255,.12)}
@media (hover:none){.cur,.cur-dot{display:none}}

/* ---------- type utilities ---------- */
.mono{font-family:var(--f-mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink-mute)}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:var(--accent-2);display:inline-flex;align-items:center;gap:.7em}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}
.disp{font-family:var(--f-sans);font-weight:600;letter-spacing:-.035em;line-height:.94}
.ital{font-family:var(--f-disp);font-optical-sizing:auto;font-weight:400;font-style:italic;letter-spacing:0;margin:0 .08em;padding-right:.02em}
.grad{background:linear-gradient(100deg,var(--ink) 10%,var(--accent-2) 55%,var(--accent) 90%);-webkit-background-clip:text;background-clip:text;color:transparent}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity 1s var(--e-out),transform 1s var(--e-out)}
.rv.in{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(22px)}
.stagger.in>*{opacity:1;transform:none;transition:opacity .9s var(--e-out),transform .9s var(--e-out)}
.stagger.in>*{transition-delay:calc(var(--i,0)*70ms)}
/* snap final state for background/hidden loads (no throttled-transition freeze) */
html.reveal-off .rv,html.reveal-off .stagger>*{opacity:1!important;transform:none!important;transition:none!important}
html.reveal-off .hero__title .ln>span{transform:none!important;transition:none!important}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6em;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  padding:15px 26px;border-radius:100px;border:1px solid var(--line-2);color:var(--ink);position:relative;overflow:hidden;transition:color .4s,border-color .4s;background:rgba(255,255,255,.02)}
.btn>*{position:relative;z-index:1}
.btn::after{content:"";position:absolute;inset:0;background:var(--accent);transform:translateY(101%);transition:transform .5s var(--e-out);z-index:0}
.btn:hover{color:#000;border-color:var(--accent)}
.btn:hover::after{transform:translateY(0)}
.btn--solid{background:var(--accent);color:#000;border-color:var(--accent)}
.btn--solid::after{background:var(--ink)}
.btn--solid:hover{color:#000}
.btn .arw{transition:transform .4s var(--e-out)}
.btn:hover .arw{transform:translate(3px,-3px)}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:120;display:flex;align-items:center;justify-content:space-between;
  padding:20px var(--pad);transition:background .5s,backdrop-filter .5s,padding .5s;mix-blend-mode:normal}
/* NOTE: backdrop-filter lives on a child layer, never on .nav itself — a filtered
   element becomes the containing block for position:fixed descendants, which would
   trap the fixed mobile menu inside the header. */
.nav::before{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .5s;
  background:rgba(8,8,11,.62);backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid var(--line)}
.nav.scrolled::before{opacity:1}
.nav.scrolled{padding:13px var(--pad)}
.nav__logo{display:flex;align-items:center;gap:12px;z-index:2}
.nav__logo img{width:34px;height:34px}
.nav__logo b{font-family:var(--f-mono);font-size:13px;letter-spacing:.32em;font-weight:500}
.nav__links{display:flex;align-items:center;gap:34px}
.nav__links a{font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-dim);transition:color .3s;position:relative}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--accent);transition:width .4s var(--e-out)}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{width:100%}
.nav__cta{display:inline-flex}
.burger{display:none;flex-direction:column;gap:5px;width:30px;z-index:2}
.burger span{height:1.5px;background:var(--ink);transition:.3s}

/* ---------- intro title-card ---------- */
.intro{position:fixed;inset:0;z-index:1000;background:var(--bg);display:grid;place-items:center;overflow:hidden}
.intro.gone{opacity:0;visibility:hidden;transition:opacity .9s ease,visibility .9s}
.intro__bar{position:absolute;left:0;right:0;height:9vh;background:#000;z-index:3}
.intro__bar.t{top:0} .intro__bar.b{bottom:0}
.intro__hud{position:absolute;left:var(--pad);right:var(--pad);display:flex;justify-content:space-between;color:var(--ink-mute);z-index:4}
.intro__hud.t{top:calc(9vh + 22px)} .intro__hud.b{bottom:calc(9vh + 22px)}
.intro__core{position:relative;text-align:center;z-index:4}
.intro__mark{width:120px;height:120px;margin:0 auto 26px;filter:drop-shadow(0 0 40px var(--accent-glow))}
.intro__word{font-family:var(--f-mono);font-size:clamp(26px,7vw,58px);letter-spacing:.5em;padding-left:.5em;color:var(--ink);overflow:hidden}
.intro__sub{margin-top:16px;font-family:var(--f-mono);font-size:11px;letter-spacing:.4em;color:var(--ink-mute);text-transform:uppercase}
.intro__prog{position:absolute;left:0;bottom:0;height:2px;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));z-index:5}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:130px var(--pad) 60px;position:relative}
.hero__eyebrow{margin-bottom:30px}
.hero__title{font-family:var(--f-sans);font-weight:600;letter-spacing:-.04em;line-height:.92;font-size:clamp(44px,9vw,150px)}
/* padding+negative margin gives descenders (g, y, p) room inside the reveal mask */
.hero__title .ln{display:block;overflow:hidden;padding-bottom:.14em;margin-bottom:-.14em}
.hero__title .ln>span{display:block;transform:translateY(105%);transition:transform 1.1s var(--e-out)}
.hero.ready .hero__title .ln>span{transform:none}
.hero__title .ln:nth-child(2)>span{transition-delay:.09s}
.hero__title .ln:nth-child(3)>span{transition-delay:.18s}
.hero__lead{max-width:620px;margin-top:34px;font-size:clamp(16px,1.6vw,20px);color:var(--ink-dim);line-height:1.6}
.hero__meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.chip{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim);border:1px solid var(--line);padding:9px 15px;border-radius:100px;background:rgba(255,255,255,.02)}
.hero__cta{display:flex;gap:14px;margin-top:44px;flex-wrap:wrap}
.hero__scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);font-family:var(--f-mono);font-size:10px;letter-spacing:.3em;color:var(--ink-mute);text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:10px}
.hero__scroll i{width:1px;height:44px;background:linear-gradient(var(--accent),transparent);animation:scrolln 2s var(--e-out) infinite}
@keyframes scrolln{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}}

/* ---------- section frame ---------- */
.section{padding:clamp(80px,12vh,170px) var(--pad);position:relative}
.section__head{max-width:var(--maxw);margin:0 auto 60px;display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.section__title{font-family:var(--f-sans);font-weight:600;letter-spacing:-.035em;line-height:.98;font-size:clamp(32px,5vw,74px);max-width:16ch}
.section__note{max-width:340px;color:var(--ink-dim);font-size:15px;line-height:1.6}

/* ---------- stats ---------- */
.stats{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.stat{background:var(--bg-1);padding:38px 30px}
.stat b{font-family:var(--f-sans);font-weight:600;font-size:clamp(38px,4.5vw,64px);letter-spacing:-.04em;display:block;line-height:1}
.stat span{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute);margin-top:12px;display:block}

/* ---------- the work / gallery ---------- */
.work{padding:clamp(80px,12vh,150px) var(--pad)}
.work__top{max-width:var(--maxw);margin:0 auto 40px}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.filter{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim);
  padding:10px 18px;border:1px solid var(--line);border-radius:100px;transition:.35s var(--e-out)}
.filter[aria-pressed="true"]{color:#000;background:var(--ink);border-color:var(--ink)}
.grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(16px,2vw,30px);perspective:1400px}
.card{grid-column:span 6;position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--bg-1);border:1px solid var(--line);
  transition:border-color .5s,box-shadow .5s;cursor:pointer;will-change:transform,opacity,filter;transform-style:preserve-3d;backface-visibility:hidden}
.card:hover{box-shadow:0 30px 80px -30px var(--accent-glow)}
html.reveal-off .card{opacity:1!important;transform:none!important;filter:none!important;clip-path:none!important}
.card.feat{grid-column:span 12}
.card.hide{display:none}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.card.feat .card__media{aspect-ratio:21/9}
.card__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1s var(--e-out),filter .6s;filter:saturate(.94) brightness(.9)}
.card:hover .card__img{transform:scale(1.045);filter:saturate(1.05) brightness(1)}
.card__ph{position:absolute;inset:0;display:grid;place-items:center;overflow:hidden}
.card__ph b{font-family:var(--f-disp);font-style:italic;font-size:clamp(40px,7vw,120px);color:rgba(255,255,255,.08);letter-spacing:-.03em}
.card__ph::after{content:"";position:absolute;inset:0;background:radial-gradient(90% 120% at 20% 0%,var(--accent-glow),transparent 60%);opacity:.5}
.card__tag{position:absolute;top:18px;left:18px;z-index:2;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink);background:rgba(0,0,0,.4);backdrop-filter:blur(8px);padding:7px 12px;border-radius:100px;border:1px solid var(--line-2)}
.card__grad{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(6,6,9,.86));z-index:1}
.card__body{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:clamp(20px,2.4vw,34px);display:flex;justify-content:space-between;align-items:flex-end;gap:20px}
.card__name{font-family:var(--f-sans);font-weight:600;letter-spacing:-.03em;font-size:clamp(23px,2.6vw,40px);line-height:1}
.card__line{margin-top:11px;color:var(--ink-dim);font-size:14.5px;max-width:44ch;line-height:1.5}
.card.feat .card__line{font-size:16px}
.card__go{flex:none;width:52px;height:52px;border-radius:50%;border:1px solid var(--line-3);display:grid;place-items:center;transition:.45s var(--e-out);color:var(--ink)}
.card:hover .card__go{background:var(--accent);border-color:var(--accent);color:#000;transform:rotate(-45deg)}
.card__accent{position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .6s var(--e-out);z-index:4}
.card:hover .card__accent{transform:scaleY(1)}

/* ---------- the reel: one project at a time ---------- */
.reel{position:relative}
.reel-panel{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.reel-panel+.reel-panel{border-top:1px solid var(--line)}
.reel-ambient{position:absolute;inset:-12%;z-index:0;background-size:cover;background-position:center;filter:blur(55px) brightness(.3) saturate(1.35);transform:scale(1.12);will-change:opacity}
.reel-panel.noimg .reel-ambient{background:radial-gradient(90% 90% at 25% 25%,var(--accent-glow),transparent 60%),linear-gradient(160deg,var(--bg-2),var(--bg));filter:none}
.reel-panel::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(135% 120% at 32% 50%,transparent 42%,rgba(5,5,8,.72))}
.reel-num{position:absolute;top:7vh;right:var(--pad);z-index:2;font-family:var(--f-sans);font-weight:700;font-size:clamp(100px,17vw,300px);line-height:.8;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.10);letter-spacing:-.05em;pointer-events:none;will-change:transform,opacity}
.reel-stage{position:relative;z-index:3;width:100%;max-width:1140px;margin:0 auto;padding:11vh var(--pad) 8vh;display:flex;flex-direction:column;align-items:center;text-align:center;gap:clamp(18px,3vh,38px)}
.reel-head{display:flex;flex-direction:column;align-items:center;gap:16px}
.reel-eyebrow{will-change:transform,opacity}
.reel-title{font-family:var(--f-sans);font-weight:600;font-size:clamp(38px,5.4vw,94px);line-height:.92;letter-spacing:-.04em;text-shadow:0 4px 40px rgba(0,0,0,.5)}
.reel-title .w{display:inline-block;white-space:nowrap}
.reel-title .c{display:inline-block;will-change:transform,opacity}
.reel-foot{display:flex;flex-direction:column;align-items:center;gap:20px}
.reel-tagline{max-width:660px;font-size:clamp(15px,1.4vw,20px);line-height:1.55;color:var(--ink-dim);will-change:transform,opacity}
.reel-cta{will-change:transform,opacity}
/* framed screenshot — the star, big & centred */
.reel-media{position:relative;z-index:3;width:100%;display:flex;justify-content:center}
.reel-frame{will-change:transform,filter,opacity;max-width:100%}
.reel-frame.browser{width:min(1000px,90vw);border-radius:14px;overflow:hidden;border:1px solid var(--line-2);background:var(--bg-2);box-shadow:0 50px 130px -35px rgba(0,0,0,.78),0 0 110px -25px var(--accent-glow)}
.reel-frame__bar{display:flex;align-items:center;gap:7px;padding:12px 15px;background:var(--bg-3);border-bottom:1px solid var(--line)}
.reel-frame__bar i{width:11px;height:11px;border-radius:50%;background:var(--line-3)}
.reel-frame.browser img{width:100%;display:block;aspect-ratio:16/10;object-fit:cover;object-position:50% 0%;max-height:52vh}
.reel-frame.phone{height:min(58vh,560px);margin:0 auto;border-radius:38px;padding:11px;background:linear-gradient(160deg,#23232e,#0e0e14);border:1px solid var(--line-2);box-shadow:0 50px 130px -35px rgba(0,0,0,.78),0 0 110px -25px var(--accent-glow)}
.reel-frame.phone .reel-frame__scr{height:100%;border-radius:28px;overflow:hidden}
.reel-frame.phone img{height:100%;width:auto;display:block}
.reel-frame.ph{width:min(1000px,90vw);aspect-ratio:16/10;max-height:52vh;display:grid;place-items:center;border-radius:14px;border:1px solid var(--line-2);background:radial-gradient(circle at 30% 30%,var(--accent-glow),transparent 60%),var(--bg-2)}
.reel-frame.ph b{font-family:var(--f-disp);font-style:italic;font-size:clamp(40px,6vw,110px);color:rgba(255,255,255,.12)}
.reel-nav{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:80;display:flex;flex-direction:column;gap:13px;opacity:0;visibility:hidden;transition:opacity .5s}
.reel-nav.show{opacity:1;visibility:visible}
.reel-nav button{width:10px;height:10px;border-radius:50%;border:1px solid var(--line-3);background:transparent;padding:0;cursor:pointer;transition:.35s var(--e-out)}
.reel-nav button[aria-current="true"]{background:var(--accent,#6E7BFF);border-color:var(--accent,#6E7BFF);transform:scale(1.35);box-shadow:0 0 0 5px var(--accent-glow,rgba(110,123,255,.4))}
html.reveal-off .reel-title .c,html.reveal-off .reel-eyebrow,html.reveal-off .reel-tagline,html.reveal-off .reel-cta,html.reveal-off .reel-num,html.reveal-off .reel-frame,html.reveal-off .reel-ambient{opacity:1!important;transform:none!important}
html.reveal-off .reel-title .c,html.reveal-off .reel-frame{filter:none!important}
@media (max-width:860px){.reel-title{font-size:clamp(34px,8.5vw,60px)}.reel-frame.browser,.reel-frame.ph{width:94vw}.reel-stage{padding:12vh var(--pad) 9vh}}
@media (max-width:760px){.reel-nav{display:none}.reel-num{top:4vh;font-size:clamp(70px,22vw,140px)}}

/* ---------- capabilities ---------- */
.caps{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.cap{background:var(--bg-1);padding:38px 30px;min-height:220px;display:flex;flex-direction:column;justify-content:space-between;transition:background .5s}
.cap:hover{background:var(--bg-2)}
.cap b{font-family:var(--f-sans);font-weight:600;font-size:22px;letter-spacing:-.02em}
.cap .n{font-family:var(--f-mono);font-size:12px;color:var(--accent-2);letter-spacing:.2em}
.cap p{color:var(--ink-dim);font-size:14px;line-height:1.6;margin-top:14px}

/* ---------- contact ---------- */
.contact{padding:clamp(90px,16vh,200px) var(--pad);text-align:center;position:relative}
.contact h2{font-family:var(--f-sans);font-weight:600;letter-spacing:-.04em;line-height:.98;font-size:clamp(40px,8vw,128px)}
.contact p{max-width:520px;margin:26px auto 0;color:var(--ink-dim);font-size:17px;line-height:1.6}
.contact .hero__cta{justify-content:center}
/* contact card: who + direct line */
.vcard{display:inline-flex;align-items:center;gap:clamp(18px,3vw,40px);margin:46px auto 8px;padding:20px clamp(20px,3vw,34px);
  border:1px solid var(--line-2);border-radius:100px;background:rgba(255,255,255,.03);backdrop-filter:blur(12px);text-align:left;flex-wrap:wrap;justify-content:center}
.vcard__mark{width:46px;height:46px;flex:none}
.vcard__who,.vcard__tel{display:flex;flex-direction:column;gap:5px}
.vcard__who b,.vcard__tel b{font-family:var(--f-sans);font-weight:600;font-size:clamp(17px,2vw,21px);letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.vcard .mono{font-size:10.5px}
.vcard__tel{padding-left:clamp(18px,3vw,40px);border-left:1px solid var(--line-2);transition:color .3s}
.vcard__tel b{font-family:var(--f-mono);letter-spacing:.04em}
.vcard__tel:hover b{color:var(--accent-2)}
/* whatsapp button */
.btn--wa{background:#25D366;border-color:#25D366;color:#04160b}
.btn--wa::after{background:var(--ink)}
.btn--wa:hover{color:#04160b}
.wa-ico{width:21px;height:21px;position:relative;z-index:1;flex:none}
@media (max-width:600px){
  .vcard{border-radius:22px;flex-direction:column;align-items:center;text-align:center;gap:16px;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(--line-2);padding-top:16px;width:100%}
}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:60px var(--pad) 40px;display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
.foot .mono{font-size:11px}

/* =====================================================================
   CASE STUDY
   ===================================================================== */
.cs-hero{min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding:130px var(--pad) 5vh;position:relative}
.cs-hero__eyebrow{margin-bottom:26px}
.cs-hero__title{font-family:var(--f-sans);font-weight:600;letter-spacing:-.04em;line-height:.9;font-size:clamp(44px,10vw,168px);max-width:15ch}
.cs-hero__lead{max-width:640px;margin-top:30px;font-size:clamp(16px,1.6vw,21px);color:var(--ink-dim);line-height:1.6}
.cs-meta{display:flex;flex-wrap:wrap;gap:44px;margin-top:46px;padding-top:30px;border-top:1px solid var(--line)}
.cs-meta div{display:flex;flex-direction:column;gap:8px}
.cs-meta span{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute)}
.cs-meta b{font-weight:500;font-size:15px;color:var(--ink)}
.cs-cover{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.cs-cover figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-2);position:relative}
.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(--accent-glow),transparent 70%);opacity:.6}
.cs-cover--phone .frame-phone{position:relative}
.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-sans);font-weight:400;font-size:clamp(21px,2.6vw,36px);line-height:1.34;letter-spacing:-.02em;color:var(--ink)}
.cs-overview p+p{margin-top:26px;color:var(--ink-dim);font-size:clamp(17px,1.5vw,20px);line-height:1.6}

.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--text{grid-template-columns:1fr;max-width:1100px;border-left:2px solid var(--accent);padding-left:clamp(20px,3vw,44px)}
.cs-narr--text h3{max-width:18ch}
.cs-narr--text p{max-width:64ch;font-size:18px}
.cs-narr__txt .eyebrow{margin-bottom:20px}
.cs-narr__txt h3{font-family:var(--f-sans);font-weight:600;font-size:clamp(26px,3.4vw,50px);letter-spacing:-.03em;line-height:1.02}
.cs-narr__txt p{margin-top:20px;color:var(--ink-dim);font-size:17px;line-height:1.65;max-width:52ch}
.cs-shot{border-radius:var(--r);overflow:hidden;border:1px solid var(--line-2);position:relative;background:var(--bg-2)}
.cs-shot img{width:100%;display:block}
.cs-shot figcaption{position:absolute;left:14px;bottom:14px;font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink);background:rgba(0,0,0,.45);padding:6px 11px;border-radius:100px;backdrop-filter:blur(8px)}
/* browser frame */
.frame-browser{border-radius:var(--r);overflow:hidden;border:1px solid var(--line-2);background:var(--bg-2)}
.frame-browser__bar{display:flex;align-items:center;gap:7px;padding:12px 15px;background:var(--bg-3);border-bottom:1px solid var(--line)}
.frame-browser__bar i{width:11px;height:11px;border-radius:50%;background:var(--line-3)}
.frame-browser__url{margin-left:14px;font-family:var(--f-mono);font-size:11px;color:var(--ink-mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* phone frame */
.frame-phone{width:min(300px,72vw);margin:0 auto;border-radius:38px;padding:11px;background:linear-gradient(160deg,#22222c,#0e0e14);border:1px solid var(--line-2);box-shadow:0 40px 90px rgba(0,0,0,.5)}
.frame-phone__scr{border-radius:28px;overflow:hidden;position:relative}

/* roadmap */
.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(--accent),var(--accent-2))}
.cs-step{position:relative;padding:0 0 clamp(34px,5vh,60px) 46px}
.cs-step::before{content:"";position:absolute;left:0;top:6px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--line-3);transition:.4s}
.cs-step.lit::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 6px var(--accent-glow)}
.cs-step .span{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-2)}
.cs-step h4{font-family:var(--f-sans);font-weight:600;font-size:clamp(20px,2.2vw,30px);letter-spacing:-.02em;margin:8px 0}
.cs-step p{color:var(--ink-dim);font-size:15.5px;line-height:1.6;max-width:56ch}

/* features grid */
.cs-feat{max-width:var(--maxw);margin:0 auto;padding:clamp(40px,7vh,80px) var(--pad)}
.cs-feat__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.cs-feat__grid>div{background:var(--bg-1);padding:38px 32px}
.cs-feat__grid b{font-family:var(--f-sans);font-weight:600;font-size:21px;letter-spacing:-.02em;display:block}
.cs-feat__grid p{color:var(--ink-dim);font-size:14.5px;line-height:1.6;margin-top:14px}

/* gallery strip */
.cs-gal{padding:clamp(40px,7vh,80px) 0;overflow:hidden}
.cs-gal__track{display:flex;gap:24px;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:var(--r);overflow:hidden;border:1px solid var(--line-2);background:var(--bg-2)}
.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}

/* sticky live cta */
.cs-sticky{position:fixed;right:24px;bottom:24px;z-index:90;transform:translateY(120px);transition:transform .5s var(--e-out)}
.cs-sticky.show{transform:none}

/* next project */
.cs-next{border-top:1px solid var(--line);padding:clamp(70px,12vh,150px) var(--pad);text-align:center;position:relative;overflow:hidden}
.cs-next .mono{margin-bottom:20px}
.cs-next a{font-family:var(--f-sans);font-weight:600;font-size:clamp(38px,7vw,110px);letter-spacing:-.04em;line-height:.95;display:inline-block;transition:transform .5s var(--e-out)}
.cs-next a:hover{transform:translateX(10px)}

/* view transitions */
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.5s}
.vt-cover{view-transition-name:vt-cover}

/* private-project modal */
.modal{position:fixed;inset:0;z-index:400;display:grid;place-items:center;padding:24px;background:rgba(4,4,7,.7);backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:.4s}
.modal.open{opacity:1;visibility:visible}
.modal__card{max-width:440px;background:var(--bg-1);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:38px;text-align:center;transform:translateY(16px);transition:.5s var(--e-out)}
.modal.open .modal__card{transform:none}
.modal__card h3{font-family:var(--f-sans);font-weight:600;font-size:26px;letter-spacing:-.02em;margin:18px 0 12px}
.modal__card p{color:var(--ink-dim);font-size:15px;line-height:1.6;margin-bottom:26px}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .stats,.caps,.cs-feat__grid{grid-template-columns:repeat(2,1fr)}
  .cs-narr{grid-template-columns:1fr;gap:34px}
  .cs-narr.flip .cs-narr__txt{order:0}
}
@media (max-width:760px){
  .nav{padding:14px var(--pad);padding-top:max(14px,env(safe-area-inset-top))}
  .nav__links{position:fixed;inset:0;flex-direction:column;justify-content:center;background:rgba(8,8,11,.97);backdrop-filter:blur(24px);transform:translateY(-100%);transition:transform .55s var(--e-out);gap:8px;z-index:130}
  .nav__links.open{transform:none}
  .nav__links a{font-size:30px;letter-spacing:.06em;padding:16px 30px;color:var(--ink)}
  .nav__links a::after{left:50%;transform:translateX(-50%)}
  .nav__cta{display:none}
  .burger{display:flex;z-index:140;position:relative}
  .nav.menu-open .burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .nav.menu-open .burger span:nth-child(2){opacity:0;transform:scaleX(0)}
  .nav.menu-open .burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cs-feat__grid{grid-template-columns:1fr}
  .cs-meta{gap:26px}
}

/* ================= MOBILE OPTIMISATION ================= */
@media (max-width:860px){
  :root{--pad:clamp(18px,5.5vw,34px)}
  /* comfortable tap targets everywhere */
  .btn{padding:16px 26px;font-size:12px}
  .filter{padding:12px 18px}
  a,button{-webkit-tap-highlight-color:rgba(255,255,255,.08)}
  /* hero */
  .hero{padding:118px var(--pad) 96px;min-height:auto}
  .hero__title{font-size:clamp(40px,10.5vw,74px)}
  .hero__lead{font-size:16px;margin-top:26px}
  .hero__meta{gap:9px;margin-top:30px}
  .chip{font-size:10px;padding:8px 13px}
  .hero__cta{gap:11px;margin-top:34px}
  .hero__cta .btn{flex:1 1 auto;justify-content:center;min-width:0}
  .hero__scroll{display:none}
  /* sections */
  .section{padding:clamp(64px,9vh,110px) var(--pad)}
  .section__head{margin-bottom:38px;gap:18px}
  .section__note{max-width:none;font-size:14.5px}
  .stat{padding:26px 20px}
  .cap{min-height:0;padding:28px 24px}
  /* reel: one project per screen, tuned for thumbs */
  .reel-panel{min-height:auto}
  .reel-stage{padding:15vh var(--pad) 12vh;gap:20px}
  .reel-num{font-size:clamp(64px,20vw,130px);top:8vh;opacity:.75}
  .reel-eyebrow{font-size:10px;letter-spacing:.24em}
  .reel-tagline{font-size:15px;max-width:34ch}
  .reel-frame.browser,.reel-frame.ph{width:100%}
  .reel-frame.browser img{max-height:46vh}
  .reel-frame.phone{height:min(50vh,470px)}
  .reel-frame__bar{padding:9px 12px}
  .reel-frame__bar i{width:8px;height:8px}
  /* case study */
  .cs-hero{padding:120px var(--pad) 6vh;min-height:auto}
  .cs-hero__title{font-size:clamp(38px,11vw,66px)}
  .cs-hero__lead{font-size:16px;margin-top:22px}
  .cs-meta{gap:20px 30px;margin-top:32px}
  .cs-meta b{font-size:14px}
  .cs-overview{padding:clamp(56px,9vh,90px) var(--pad)}
  .cs-overview p{font-size:20px;line-height:1.38}
  .cs-overview p+p{font-size:16px}
  .cs-narr{padding:clamp(30px,5vh,60px) var(--pad)}
  .cs-narr__txt h3{font-size:clamp(24px,6.5vw,36px)}
  .cs-narr__txt p{font-size:15.5px}
  .cs-road{padding:clamp(56px,9vh,100px) var(--pad)}
  .cs-step{padding-left:38px}
  .cs-step p{font-size:14.5px}
  .cs-gal__track figure{flex-basis:88vw}
  .cs-gal--phone .cs-gal__track figure{flex-basis:62vw}
  .cs-sticky{right:14px;bottom:14px;bottom:max(14px,env(safe-area-inset-bottom))}
  .cs-sticky .btn{padding:14px 22px;font-size:11.5px}
  .cs-next a{font-size:clamp(32px,9vw,60px)}
  /* contact + footer */
  .contact{padding:clamp(72px,11vh,130px) var(--pad)}
  .contact h2{font-size:clamp(36px,10vw,64px)}
  .contact p{font-size:15.5px}
  .foot{flex-direction:column;align-items:flex-start;gap:14px;padding-bottom:max(40px,env(safe-area-inset-bottom))}
}
@media (max-width:420px){
  .stats{grid-template-columns:1fr}
  .caps{grid-template-columns:1fr}
  .hero__cta{flex-direction:column}
  .hero__cta .btn{width:100%}
}
/* touch devices: no hover-only affordances, lighter effects */
@media (hover:none){
  .card:hover .card__img{transform:none}
  .bg__spot{display:none}
}

/* =====================================================================
   MOBILE PERFORMANCE
   Phones choke on (a) full-screen blurred bitmaps repeated 16×,
   (b) a grain layer repainting the viewport every frame, and
   (c) dozens of permanent compositing layers from `will-change`.
   ===================================================================== */
@media (max-width:860px){
  /* (a) the ambient backdrop becomes a pure gradient — no bitmap, no blur filter */
  .reel-ambient{background-image:none!important;filter:none!important;transform:none;inset:0;
    background:radial-gradient(120% 80% at 50% 22%,var(--accent-glow),transparent 62%),
               linear-gradient(180deg,var(--bg-2),var(--bg) 65%)}
  .reel-panel::after{background:radial-gradient(140% 120% at 50% 45%,transparent 46%,rgba(5,5,8,.66))}
  /* (b) grain: mix-blend-mode re-blends the whole viewport every frame — the
     single most expensive thing on a phone. Drop the blend AND the animation. */
  .bg__grain{animation:none;opacity:.035;mix-blend-mode:normal}
  .bg__grid{background-size:64px 64px;opacity:.35}
  /* backdrop-filter on a fixed header re-samples the page behind it on every
     scroll frame. A near-opaque background looks the same and costs nothing. */
  .nav::before{backdrop-filter:none;background:rgba(8,8,11,.92)}
  .card__tag,.cs-shot figcaption{backdrop-filter:none;background:rgba(0,0,0,.55)}
  .vcard{backdrop-filter:none;background:rgba(255,255,255,.04)}
  .modal{backdrop-filter:none;background:rgba(4,4,7,.88)}
  /* (c) let the compositor reclaim layers; GSAP promotes what it animates */
  .reel-frame,.reel-title .c,.reel-eyebrow,.reel-tagline,.reel-cta,.reel-num,
  .card,.hero__title .ln>span,.rv{will-change:auto}
  /* NOTE: content-visibility:auto was tried here and removed — it doubled layout
     time and causes scroll-position jumps on iOS with variable-height panels. */
  .reel-panel{contain:paint}
  /* cheaper shadows */
  .reel-frame.browser,.reel-frame.phone{box-shadow:0 24px 60px -24px rgba(0,0,0,.8)}
  .card:hover{box-shadow:none}
}
/* respect data-saver / low-end hints */
@media (prefers-reduced-data:reduce){
  .bg__grain,.bg__grid{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.05ms!important}
  .bg__grain{display:none}
}