/* ============================================================
   SG Twin — shared design system
   Committed dark "eternal night" world. Warm (human) ↔ cool (twin).
   Fonts: Fraunces (display) · Manrope (body) · Space Mono (utility)
   ============================================================ */
:root{
  --obsidian:#06070d;
  --ink:#090b12;
  --surface:#0d1018;
  --surface-2:#11151f;
  --line:rgba(150,180,225,.12);
  --line-strong:rgba(150,180,225,.22);
  --text:#e9edf6;
  --muted:#8791a6;
  --muted-2:#6b7488;
  --cool:#57e0ff;
  --cool-deep:#2f9bff;
  --warm:#ffb27a;
  --warm-deep:#ff8f5a;
  --iris:#8b7bff;
  --iris-deep:#6c5ce7;
  --good:#66e6b0;
  --maxw:1180px;
  --gutter:clamp(20px,5vw,64px);
  --r:16px;
  --ff-display:"Fraunces",Georgia,"Times New Roman",serif;
  --ff-body:"Manrope","Segoe UI",system-ui,-apple-system,sans-serif;
  --ff-mono:"Space Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html,body{margin:0}
body{background:var(--obsidian);color:var(--text);font-family:var(--ff-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
::selection{background:rgba(87,224,255,.26);color:#fff}
a{color:inherit;text-decoration:none}
img,svg,canvas{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-family:var(--ff-display);font-weight:400;letter-spacing:-.015em;text-wrap:balance;line-height:1.05}
p{margin:0}
:focus-visible{outline:2px solid var(--cool);outline-offset:3px;border-radius:6px}

/* Atmosphere — layered mesh + a slow drifting aurora, matching the homepage */
.sky{position:fixed;inset:0;z-index:-3;pointer-events:none;background:
  radial-gradient(900px 620px at 78% -8%, rgba(47,155,255,.17), transparent 60%),
  radial-gradient(760px 560px at 12% 8%, rgba(255,150,100,.11), transparent 62%),
  radial-gradient(820px 680px at 88% 42%, rgba(139,123,255,.12), transparent 60%),
  radial-gradient(1200px 900px at 50% 118%, rgba(87,224,255,.11), transparent 60%),
  var(--obsidian);}
.aurora{position:fixed;inset:-20% -10% -10% -10%;z-index:-2;pointer-events:none;opacity:.55;filter:blur(60px);
  background:
    radial-gradient(600px 380px at 20% 30%, rgba(87,224,255,.16), transparent 70%),
    radial-gradient(560px 420px at 80% 24%, rgba(139,123,255,.15), transparent 70%),
    radial-gradient(620px 460px at 62% 78%, rgba(255,150,100,.10), transparent 72%);
  background-repeat:no-repeat;animation:aurora 24s ease-in-out infinite alternate;}
@keyframes aurora{
  0%{transform:translate3d(-2%,-1%,0) scale(1.02);opacity:.5}
  50%{transform:translate3d(2%,1.5%,0) scale(1.06);opacity:.62}
  100%{transform:translate3d(-1%,2%,0) scale(1.03);opacity:.52}}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.05;mix-blend-mode:screen;
  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='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.narrow{max-width:820px}

/* ---------- Nav ---------- */
header.nav{position:fixed;top:0;left:0;right:0;z-index:50;padding-top:env(safe-area-inset-top,0px);transition:background .3s,border-color .3s,backdrop-filter .3s}
header.nav.solid{background:rgba(6,7,13,.72);backdrop-filter:blur(16px) saturate(1.2);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:14px var(--gutter);display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:-.01em}
.brand .mk{width:30px;height:30px;flex:none}
.brand .word{font-size:17px;font-weight:700}
.brand .word b{font-weight:800}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:28px}
.nav-links a{font-size:13.5px;color:var(--muted);font-weight:600;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--ff-body);font-weight:700;font-size:14px;border-radius:999px;padding:12px 22px;cursor:pointer;border:1px solid transparent;transition:transform .18s,box-shadow .25s,background .25s,border-color .25s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{color:#03121b;background:linear-gradient(120deg,var(--cool),var(--cool-deep));box-shadow:0 8px 30px rgba(47,155,255,.28)}
.btn-primary:hover{box-shadow:0 12px 40px rgba(47,155,255,.42)}
.btn-ghost{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--cool);color:#fff}
/* Header CTA: black label + a light sweep once every 10s */
.nav-links .btn-primary,.nav-links .btn-primary:hover{color:#000;position:relative;overflow:hidden}
.nav-links .btn-primary::after{content:"";position:absolute;top:0;left:-75%;width:45%;height:100%;pointer-events:none;transform:skewX(-22deg);background:linear-gradient(100deg,transparent 0%,rgba(255,255,255,.15) 25%,rgba(255,255,255,.75) 50%,rgba(255,255,255,.15) 75%,transparent 100%);animation:ctaShine 10s ease-in-out infinite}
@keyframes ctaShine{0%{left:-75%}7%{left:135%}100%{left:135%}}
.nav-cta{margin-left:4px}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line-strong);color:var(--text);border-radius:10px;padding:8px 10px;cursor:pointer;font-family:var(--ff-mono);font-size:12px}

/* ---------- Shared type / sections ---------- */
.eyebrow{font-family:var(--ff-mono);font-size:11.5px;letter-spacing:.32em;text-transform:uppercase;color:var(--cool);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--cool),transparent)}
.eyebrow.warm{color:var(--warm)}
.eyebrow.warm::before{background:linear-gradient(90deg,var(--warm),transparent)}
.sec{padding-block:clamp(64px,8vw,110px)}
.sec-head{max-width:64ch}
.sec-head h2{font-size:clamp(2rem,4.6vw,3.4rem);margin-top:20px}
.sec-head p.dek{margin-top:20px;color:var(--muted);font-size:1.08rem;max-width:58ch}
.divider{border:0;border-top:1px solid var(--line);margin:0}

/* Page hero (interior pages) */
.phero{position:relative;padding-block:clamp(94px,10vw,112px) clamp(12px,1.6vw,20px);overflow:hidden}
/* First content section sits close under the page hero */
.phero + .sec,.phero + section.sec{padding-top:clamp(20px,3vw,38px)}
.phero::after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(700px 420px at 80% -20%,rgba(47,155,255,.14),transparent 60%),radial-gradient(600px 400px at 0% 0%,rgba(255,150,100,.08),transparent 60%)}
.phero h1{font-size:clamp(2.5rem,6vw,4.4rem);margin-top:22px;max-width:16ch}
.phero h1 em{font-style:italic;color:transparent;background:linear-gradient(100deg,var(--warm),#fff 55%,var(--cool));-webkit-background-clip:text;background-clip:text}
.phero .lead{margin-top:24px;max-width:60ch;font-size:clamp(1.05rem,2vw,1.28rem);color:#c3cbdb}
.crumbs{font-family:var(--ff-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.crumbs a:hover{color:var(--text)}

/* Home hero */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;padding-block:150px 80px;overflow:hidden}
#presence{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.9}
.hero-veil{position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(60% 55% at 50% 42%,transparent,rgba(6,7,13,.55) 78%,var(--obsidian))}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero h1{font-size:clamp(2.9rem,7.4vw,6.2rem);margin-top:26px;max-width:15ch}
.hero h1 em{font-style:italic;color:transparent;background:linear-gradient(100deg,var(--warm),#fff 55%,var(--cool));-webkit-background-clip:text;background-clip:text}
.hero .lead{margin-top:26px;max-width:54ch;font-size:clamp(1.05rem,2.1vw,1.3rem);color:#c3cbdb}
.hero-cta{margin-top:36px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.trust{margin-top:32px;display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;font-family:var(--ff-mono);font-size:11.5px;letter-spacing:.06em;color:var(--muted)}
.trust span{display:inline-flex;align-items:center;gap:8px}
.trust .dot{width:6px;height:6px;border-radius:50%;background:var(--good);box-shadow:0 0 10px var(--good)}

/* Continuity waveform */
.continuity{position:relative;z-index:2;margin-top:6px}
.continuity .cap{font-family:var(--ff-mono);font-size:11px;letter-spacing:.14em;color:var(--muted-2);text-transform:uppercase;margin-bottom:10px}
.wave-box{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 0;background:linear-gradient(90deg,transparent,rgba(87,224,255,.03),transparent)}
svg.wave{width:100%;height:92px;overflow:visible}
.wave .beat{fill:none;stroke:var(--warm);stroke-width:2.2;filter:drop-shadow(0 0 6px rgba(255,178,122,.5))}
.wave .digi{fill:none;stroke:var(--cool);stroke-width:2.2;filter:drop-shadow(0 0 8px rgba(87,224,255,.55))}
.wave .base{stroke:var(--line-strong);stroke-width:1;stroke-dasharray:3 6}
.wave .trav{fill:#fff;filter:drop-shadow(0 0 8px var(--cool))}

/* Manifesto */
.big{font-family:var(--ff-display);font-weight:300;font-size:clamp(1.7rem,4.2vw,3.05rem);line-height:1.22;letter-spacing:-.02em;max-width:30ch}
.big b{font-weight:500;color:#fff}
.big .hl{color:transparent;background:linear-gradient(100deg,var(--warm),var(--cool));-webkit-background-clip:text;background-clip:text;font-style:italic;font-weight:400}
.sign{margin-top:32px;font-family:var(--ff-mono);font-size:12px;letter-spacing:.12em;color:var(--muted)}

/* Feature editorial rows */
.features{display:flex;flex-direction:column;gap:0;margin-top:60px;border-top:1px solid var(--line)}
.frow{display:grid;grid-template-columns:64px 1fr 1.1fr;gap:28px;align-items:baseline;padding:32px 4px;border-bottom:1px solid var(--line);transition:background .3s}
.frow:hover{background:linear-gradient(90deg,rgba(87,224,255,.04),transparent)}
.frow .idx{font-family:var(--ff-mono);font-size:13px;color:var(--cool);letter-spacing:.1em}
.frow h3{font-family:var(--ff-display);font-weight:500;font-size:clamp(1.3rem,2.4vw,1.85rem);color:#fff}
.frow p{color:var(--muted);font-size:1rem;max-width:48ch}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px}
.step{position:relative;background:linear-gradient(180deg,var(--surface),var(--ink));border:1px solid var(--line);border-radius:var(--r);padding:26px 22px 28px;overflow:hidden}
.step::before{content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:linear-gradient(90deg,var(--cool),transparent)}
.step .n{font-family:var(--ff-mono);font-size:12px;letter-spacing:.14em;color:var(--cool)}
.step h3{font-family:var(--ff-display);font-weight:500;font-size:1.32rem;margin-top:16px;color:#fff}
.step p{margin-top:12px;color:var(--muted);font-size:.95rem}
.step .ic{width:38px;height:38px;margin-bottom:4px;color:var(--cool)}

/* Generic card grid */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);padding:28px 26px}
.card h3{font-family:var(--ff-display);font-weight:500;font-size:1.25rem;color:#fff}
.card p{margin-top:12px;color:var(--muted);font-size:.98rem}
.card .ic{width:38px;height:38px;color:var(--cool);margin-bottom:14px}
.card .mono{margin-top:14px;font-family:var(--ff-mono);font-size:11px;letter-spacing:.06em;color:var(--cool);opacity:.85}

/* Privacy list */
.privacy{background:radial-gradient(700px 400px at 85% 0%, rgba(47,155,255,.10), transparent 70%),linear-gradient(180deg,var(--ink),var(--obsidian));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.plist{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:52px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.pcell{background:var(--surface);padding:30px 28px}
.pcell .k{display:flex;align-items:center;gap:12px}
.pcell .lock{width:34px;height:34px;flex:none;border-radius:9px;display:grid;place-items:center;background:rgba(87,224,255,.1);color:var(--cool)}
.pcell h3{font-family:var(--ff-display);font-weight:500;font-size:1.24rem;color:#fff}
.pcell p{margin-top:12px;color:var(--muted);font-size:.97rem}
.pcell .mono{margin-top:14px;font-family:var(--ff-mono);font-size:11px;letter-spacing:.08em;color:var(--cool);opacity:.85}

/* Spec / definition rows (technology) */
.spec{margin-top:52px;border-top:1px solid var(--line)}
.spec .row{display:grid;grid-template-columns:200px 1fr;gap:28px;padding:26px 4px;border-bottom:1px solid var(--line)}
.spec .row .t{font-family:var(--ff-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--cool);padding-top:3px}
.spec .row h3{font-family:var(--ff-display);font-weight:500;font-size:1.28rem;color:#fff}
.spec .row p{margin-top:10px;color:var(--muted);max-width:60ch}
.tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.tag{font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.06em;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 11px}

/* Vignettes */
.vgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.vig{position:relative;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px 32px;background:linear-gradient(180deg,rgba(255,178,122,.05),transparent 60%),var(--surface)}
.vig .q{font-family:var(--ff-display);font-weight:400;font-style:italic;font-size:1.3rem;line-height:1.4;color:#f1e6dc}
.vig .who{margin-top:16px;font-family:var(--ff-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--warm)}
.kicker{margin-top:52px;font-family:var(--ff-display);font-style:italic;font-weight:400;font-size:clamp(1.6rem,3.6vw,2.5rem);color:#fff;text-align:center}
.kicker span{color:transparent;background:linear-gradient(100deg,var(--warm),var(--cool));-webkit-background-clip:text;background-clip:text}

/* ---------- App showcase (phone mockups) ---------- */
.appshow{position:relative}
.phones{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:60px;align-items:end}
.phone{position:relative;margin:0 auto;width:100%;max-width:280px;aspect-ratio:9/19.5;border-radius:34px;padding:10px;
  background:linear-gradient(160deg,#1a2131,#0b0e16);border:1px solid var(--line-strong);
  box-shadow:0 30px 70px rgba(0,0,0,.55),inset 0 0 0 1px rgba(255,255,255,.04)}
.phone.lift{transform:translateY(-26px)}
.screen{position:relative;height:100%;border-radius:26px;overflow:hidden;background:linear-gradient(180deg,#080b12,#0b0f18);border:1px solid rgba(255,255,255,.05)}
.notch{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:38%;height:18px;background:#05070c;border-radius:0 0 12px 12px;z-index:3}
.sfake{position:absolute;inset:0;padding:26px 16px 16px;display:flex;flex-direction:column;gap:12px;font-size:11px}
.sfake .stat{display:flex;justify-content:space-between;align-items:center;font-family:var(--ff-mono);font-size:8.5px;color:var(--muted-2);letter-spacing:.05em}
.sfake .ey{font-family:var(--ff-mono);font-size:8px;letter-spacing:.24em;color:var(--cool);text-transform:uppercase}
.sfake .title{font-family:var(--ff-display);font-size:20px;color:#fff;line-height:1.1}
.sfake .cardm{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;padding:11px 12px}
.sfake .cardm .h{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:11px}
.sfake .cardm .s{color:var(--muted);font-size:9.5px;margin-top:5px;line-height:1.45}
.sfake .pill{display:inline-flex;align-items:center;gap:6px;font-size:8.5px;font-family:var(--ff-mono);color:var(--good);border:1px solid rgba(102,230,176,.3);background:rgba(102,230,176,.08);border-radius:999px;padding:3px 8px}
.sfake .dotg{width:6px;height:6px;border-radius:50%;background:var(--good);box-shadow:0 0 8px var(--good)}
.sfake .orb{margin:6px auto;width:96px;height:96px;border-radius:50%;background:radial-gradient(circle at 40% 35%,rgba(255,178,122,.6),rgba(87,224,255,.25) 60%,transparent 72%);box-shadow:0 0 40px rgba(87,224,255,.3)}
.sfake .rec{margin-top:auto;display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(120deg,var(--cool),var(--cool-deep));color:#03121b;font-weight:800;font-size:11px;border-radius:12px;padding:11px}
.sfake .tabbar{margin-top:auto;display:flex;justify-content:space-around;padding-top:10px;border-top:1px solid var(--line);color:var(--muted-2)}
.sfake .tabbar .on{color:var(--cool)}
.sfake .barrow{display:flex;align-items:center;gap:8px}
.sfake .bar{height:5px;border-radius:9px;background:linear-gradient(90deg,var(--warm),var(--cool));flex:1}
.applabel{margin-top:28px;text-align:center;font-family:var(--ff-mono);font-size:11px;letter-spacing:.1em;color:var(--muted-2)}

/* Who */
.who-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:48px}
.who-item{display:flex;gap:16px;padding:22px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.015)}
.who-item .b{width:9px;height:9px;border-radius:50%;margin-top:8px;flex:none;background:linear-gradient(120deg,var(--warm),var(--cool))}
.who-item p{color:#c3cbdb}

/* Prose (concept/about/privacy long-form) */
.prose p{color:#c3cbdb;font-size:1.08rem;margin-top:20px;max-width:66ch}
.prose h2{font-size:clamp(1.6rem,3.4vw,2.4rem);margin-top:54px}
.prose h3{font-family:var(--ff-display);font-weight:500;font-size:1.35rem;color:#fff;margin-top:34px}
.prose .pull{font-family:var(--ff-display);font-style:italic;font-weight:400;font-size:clamp(1.5rem,3.2vw,2.2rem);color:#fff;line-height:1.3;margin:44px 0;padding-left:24px;border-left:2px solid var(--cool);max-width:26ch}
.prose ul{margin-top:20px;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px;max-width:66ch}
.prose ul li{position:relative;padding-left:26px;color:#c3cbdb}
.prose ul li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:linear-gradient(120deg,var(--warm),var(--cool))}

/* Closing + CTA */
.closing{text-align:center;padding-block:clamp(84px,12vw,160px)}
.closing h2{font-size:clamp(2.2rem,6vw,4.4rem);font-weight:300}
.closing h2 b{font-weight:500;color:#fff}
.closing h2 em{font-style:italic;color:transparent;background:linear-gradient(100deg,var(--warm),#fff,var(--cool));-webkit-background-clip:text;background-clip:text}
.cta-card{position:relative;overflow:hidden;border:1px solid var(--line-strong);border-radius:26px;background:radial-gradient(600px 300px at 20% 0%,rgba(87,224,255,.12),transparent 60%),radial-gradient(500px 320px at 100% 100%,rgba(255,150,100,.10),transparent 60%),var(--surface);padding:clamp(34px,5vw,60px)}
.cta-card h2{font-size:clamp(1.8rem,4vw,3rem)}
.cta-card p.dek{color:var(--muted);margin-top:16px;max-width:52ch}

/* Forms */
form.af{margin-top:28px;display:grid;gap:12px;max-width:640px}
form.af .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
form.af input,form.af textarea{width:100%;background:rgba(3,5,10,.6);border:1px solid var(--line-strong);color:var(--text);font-family:var(--ff-body);font-size:15px;padding:14px 16px;border-radius:12px;outline:none;transition:border-color .2s}
form.af textarea{min-height:130px;resize:vertical}
form.af input:focus,form.af textarea:focus{border-color:var(--cool)}
form.af input::placeholder,form.af textarea::placeholder{color:var(--muted-2)}
form.af .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
form.af .row-submit{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:4px}
.form-note{font-family:var(--ff-mono);font-size:11px;letter-spacing:.05em;color:var(--muted-2)}
.form-msg{display:none;margin-top:6px;padding:14px 16px;border-radius:12px;font-weight:600;font-size:14px}
.form-msg.show{display:block}
.form-msg.ok{border:1px solid rgba(102,230,176,.3);background:rgba(102,230,176,.08);color:var(--good)}
.form-msg.err{border:1px solid rgba(255,143,90,.35);background:rgba(255,143,90,.08);color:var(--warm)}

/* FAQ */
.faq{margin-top:48px;border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
details summary{list-style:none;cursor:pointer;padding:24px 4px;display:flex;align-items:center;gap:18px;font-family:var(--ff-display);font-weight:500;font-size:clamp(1.1rem,2.1vw,1.4rem);color:#fff}
details summary::-webkit-details-marker{display:none}
details summary .plus{margin-left:auto;flex:none;width:26px;height:26px;position:relative;transition:transform .3s}
details summary .plus::before,details summary .plus::after{content:"";position:absolute;background:var(--cool);border-radius:2px}
details summary .plus::before{left:0;right:0;top:12px;height:2px}
details summary .plus::after{top:0;bottom:0;left:12px;width:2px;transition:opacity .3s}
details[open] summary .plus{transform:rotate(90deg)}
details[open] summary .plus::after{opacity:0}
details .a{padding:0 4px 26px;color:var(--muted);max-width:72ch;font-size:1.02rem}

/* Footer */
footer.foot{border-top:1px solid var(--line);padding-block:56px 40px;padding-bottom:calc(40px + env(safe-area-inset-bottom,0px));margin-top:40px}
.foot-top{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between;align-items:flex-start}
.foot .brand .word{font-size:20px}
.foot .tag{margin-top:14px;color:var(--muted);max-width:34ch;font-size:.95rem;font-family:var(--ff-body);letter-spacing:normal;border:0;border-radius:0;padding:0}
.foot-cols{display:flex;flex-wrap:wrap;gap:44px}
.foot-col h4{font-family:var(--ff-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin:0 0 14px}
.foot-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;font-family:var(--ff-mono);font-size:11px;letter-spacing:.06em;color:var(--muted-2)}
.foot-bottom a{color:var(--muted)}

/* Reveal */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
/* When the GSAP motion layer is active it drives the reveals directly; resting
   transform is none so hover transforms apply cleanly after the entrance. */
.gsap-on .reveal{transform:none;transition:none}

/* ---- Card hover: lift + cool edge glow (selectors prefixed .js so they win
   over the reveal rules; GSAP clears its inline transform on complete) ---- */
.step,.card,.vig,.who-item{transition:transform .32s cubic-bezier(.2,.7,.2,1),border-color .32s ease,box-shadow .32s ease,background .32s ease}
.js .step:hover,.js .card:hover,.js .vig:hover,.js .who-item:hover,
.step:hover,.card:hover,.vig:hover,.who-item:hover{transform:translateY(-5px);border-color:hsl(var(--cool)/.45);box-shadow:0 20px 44px rgba(3,6,14,.5),0 0 0 1px hsl(var(--cool)/.22)}
.step:hover::before{height:3px}
.card:hover .ic,.step:hover .ic{color:#bff0ff}
/* pcell lives in a seamless grid — highlight in place instead of lifting */
.pcell{position:relative;transition:background .3s ease,box-shadow .3s ease}
.pcell:hover{background:linear-gradient(180deg,hsl(var(--cool)/.07),transparent);box-shadow:inset 0 0 0 1px hsl(var(--cool)/.4);z-index:1}
.pcell:hover .lock{background:hsl(var(--cool)/.2);color:#bff0ff}
@media (prefers-reduced-motion:reduce){.js .step:hover,.js .card:hover,.js .vig:hover,.js .who-item:hover,.step:hover,.card:hover,.vig:hover,.who-item:hover{transform:none}}
[data-parallax]{will-change:transform}

/* Responsive */
@media (max-width:1000px){.steps{grid-template-columns:repeat(2,1fr)}.phones{grid-template-columns:1fr;max-width:320px;margin-inline:auto}.phone.lift{transform:none}}
@media (max-width:900px){.g3{grid-template-columns:1fr}.vgrid{grid-template-columns:1fr}}
@media (max-width:820px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:flex-start;gap:6px;background:rgba(6,7,13,.97);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);padding:18px var(--gutter) 24px}
  .nav-links.open a{padding:8px 0;font-size:16px}
  .menu-btn{display:inline-flex}
  .frow{grid-template-columns:44px 1fr;gap:14px 16px}
  .frow p{grid-column:1 / -1;padding-left:60px}
  .plist,.g2,.who-grid{grid-template-columns:1fr}
  .spec .row{grid-template-columns:1fr;gap:8px}
}
@media (max-width:520px){.steps{grid-template-columns:1fr}.frow{grid-template-columns:1fr}.frow .idx{display:none}.frow p{padding-left:0}form.af .two{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}html{scroll-behavior:auto}}