/* PhoneBridge — site styles
   Monochrome, hairlines, one live colour. Nothing floats. */
:root{
  --bg:#0a0a0a;--bg-1:#111;--bg-2:#161616;
  --fg:#f2f2f2;--fg-2:#a3a3a3;--fg-3:#6b6b6b;
  --line:rgba(255,255,255,.1);--line-2:rgba(255,255,255,.18);
  --live:#3ddc84;--no:#ff5f56;--warn:#ffd166;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --gut:clamp(20px,5vw,64px);
  --dev-w:300px;--dev-h:640px;--dev-r:40px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:clip;-webkit-text-size-adjust:100%;scroll-behavior:auto}
html.lenis{height:auto}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-optical-sizing:auto;font-feature-settings:"cv11","cv03","cv04","ss03";font-size:16px;line-height:1.5;letter-spacing:-.005em;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
svg{display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
code{font-family:var(--mono);font-size:.86em;font-weight:400}
::selection{background:#fff;color:#000}
html{scrollbar-color:#3a3a3a var(--bg);scrollbar-width:thin}
::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:#2e2e2e;border-radius:10px;border:2px solid var(--bg)}::-webkit-scrollbar-thumb:hover{background:#444}
.u{position:relative}
.u::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease)}
.u:hover::after{transform:scaleX(1);transform-origin:left}
:focus-visible{outline:2px solid #fff;outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:16px;top:-48px;z-index:50;background:#fff;color:#000;padding:10px 14px;border-radius:999px;font-size:14px}
.skip:focus{top:16px}
.rule{display:flex;align-items:center;gap:14px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--fg-3);padding-top:22px;position:relative}
.rule::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--line)}
.rule span:first-child{color:var(--fg-2)}
.rule--stage{position:absolute;top:0;left:0;right:0;z-index:2}
.rule--stage::before{display:none}
.wrap{width:min(1200px,100% - 2*var(--gut));margin-inline:auto}

/* type */
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--fg-3);margin-bottom:22px}
.h2{font-size:clamp(34px,4.6vw,64px);font-weight:500;line-height:1.02;letter-spacing:-.035em;max-width:16ch;text-wrap:balance}
.lede{font-size:clamp(17px,1.4vw,20px);color:var(--fg-2);max-width:52ch;margin-top:22px;text-wrap:pretty}
.lede code{color:var(--fg)}
[data-lines] .l{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
[data-lines] .l > span{display:block;will-change:transform}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 22px;border-radius:999px;background:#fff;color:#000;font-weight:500;font-size:15px;letter-spacing:-.01em;box-shadow:inset 0 1px 0 rgba(255,255,255,.9),inset 0 -1px 0 rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.4);transition:background .25s,transform .25s var(--ease),box-shadow .25s}
.btn:hover{background:#ebebeb;box-shadow:inset 0 1px 0 rgba(255,255,255,.9),inset 0 -1px 0 rgba(0,0,0,.08),0 4px 14px rgba(0,0,0,.45)}
.btn:active{transform:scale(.98)}
.btn--sm{height:36px;padding:0 16px;font-size:13.5px}
.btn__ico{margin-left:8px;transition:transform .35s var(--ease)}
.btn:hover .btn__ico{transform:translateY(2px)}
.link{display:inline-flex;align-items:center;gap:6px;color:var(--fg-2);font-size:15px;transition:color .25s}
.link:hover{color:var(--fg)}
.link span{font-size:14px;transition:transform .35s var(--ease)}
.link:hover span{transform:translateY(2px)}
.actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-top:34px}
.meta{margin-top:18px;font-family:var(--mono);font-size:12px;color:var(--fg-3)}
.meta code{color:var(--fg-2)}

/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:40;height:64px;border-bottom:1px solid transparent;transition:border-color .3s,background .3s,height .4s var(--ease)}
.nav.is-stuck{height:56px;background:rgba(10,10,10,.86);border-color:var(--line);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%)}
.nav__in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav__brand{display:flex;align-items:center;gap:9px;font-weight:500;font-size:15px;letter-spacing:-.01em}
.nav__links{display:flex;gap:26px;font-size:14px;color:var(--fg-2)}
.nav__links a{transition:color .2s;position:relative}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--fg);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease)}
.nav__links a:hover::after,.nav__links a.is-active::after{transform:scaleX(1);transform-origin:left}
.nav__links a:hover,.nav__links a.is-active{color:var(--fg)}
.nav__menu{display:none;width:40px;height:40px;border-radius:50%;position:relative;margin-left:8px}
.nav__menu span{position:absolute;left:11px;right:11px;height:1.5px;background:var(--fg);top:16px;transition:transform .4s var(--ease),top .4s var(--ease)}
.nav__menu span+span{top:23px}
.menu-open .nav__menu span:first-child{top:19.5px;transform:rotate(45deg)}
.menu-open .nav__menu span+span{top:19.5px;transform:rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:39;background:var(--bg);padding-top:96px;display:none}
.menu[hidden]{display:none}
.menu-open .menu{display:block}
.menu__in{display:flex;flex-direction:column;gap:4px}
.menu__in > a:not(.btn){display:flex;align-items:baseline;gap:18px;font-size:32px;font-weight:500;letter-spacing:-.03em;padding:12px 0;border-bottom:1px solid var(--line);opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .6s var(--ease)}
.menu-open .menu__in > a:not(.btn){opacity:1;transform:none}
.menu__in > a span{font-family:var(--mono);font-size:12px;color:var(--fg-3)}
.menu__in .btn{margin-top:28px;align-self:flex-start;opacity:0;transition:opacity .5s var(--ease) .25s}
.menu-open .menu__in .btn{opacity:1}
.menu-open{overflow:hidden}
@media (max-width:900px){.nav__links{display:none}.nav__menu{display:block}.nav__cta{display:none}}

/* hero */
.hero{padding-top:clamp(96px,12vh,140px);position:relative;min-height:100svh;display:flex;flex-direction:column}
.hero__guides{position:absolute;inset:0;pointer-events:none}
.hero__guides::before,.hero__guides::after{content:"";position:absolute;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,transparent,var(--line) 20%,var(--line) 80%,transparent)}
.hero__guides::before{left:-1px}.hero__guides::after{right:-1px}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:clamp(24px,4vw,64px);flex:1}
.hero__tilt{will-change:transform}
.hero__h{font-size:clamp(54px,8vw,124px);font-weight:500;line-height:.96;letter-spacing:-.045em;margin-bottom:28px}
.hero__p{font-size:clamp(17px,1.5vw,21px);color:var(--fg-2);max-width:46ch;text-wrap:pretty}
.hero__device{display:flex;justify-content:center;perspective:1500px;--dev-w:330px;--dev-h:700px;--dev-r:44px}
.facts{display:flex;flex-wrap:wrap;gap:12px 36px;padding:26px 0;margin-top:clamp(32px,6vh,64px);border-top:1px solid var(--line);font-family:var(--mono);font-size:12.5px;color:var(--fg-3)}
.facts span::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--fg-3);margin-right:10px;vertical-align:2px}
@media (max-width:900px){
  .hero{padding-top:110px;min-height:0}
  .hero__grid{grid-template-columns:1fr}
  .hero__device{margin-top:24px;--dev-w:260px;--dev-h:555px}
}

/* device (Pixel-style) */
.device{width:var(--dev-w);height:var(--dev-h);position:relative;border-radius:var(--dev-r);background:linear-gradient(155deg,#3a3a3a 0%,#1a1a1a 18%,#121212 50%,#161616 82%,#2e2e2e 100%);padding:8px;box-shadow:0 0 0 1px #303030,inset 0 1px 0 rgba(255,255,255,.08),inset 0 0 0 1px #0a0a0a,0 2px 4px rgba(0,0,0,.5),0 30px 60px -20px rgba(0,0,0,.9),0 60px 120px -40px rgba(0,0,0,.8);will-change:transform}
.device::before,.device::after{content:"";position:absolute;right:-3px;width:3px;border-radius:0 2px 2px 0;background:#2c2c2c}
.device::before{top:19%;height:9%}
.device::after{top:31%;height:5.5%}
.device__screen{position:absolute;inset:8px;border-radius:calc(var(--dev-r) - 8px);background:#0e0e0f;overflow:hidden;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.04)}
.device__screen::before{content:"";position:absolute;top:10px;left:50%;width:10px;height:10px;margin-left:-5px;border-radius:50%;background:#000;box-shadow:inset 0 0 0 2px #1a1a1a;z-index:3}
.device__screen::after{content:"";position:absolute;bottom:7px;left:50%;width:80px;height:4px;margin-left:-40px;border-radius:2px;background:rgba(255,255,255,.35);z-index:3}
.device--sm{--dev-w:280px;--dev-h:598px}
.device__glass{position:absolute;inset:0;z-index:4;pointer-events:none;border-radius:inherit;background:linear-gradient(118deg,rgba(255,255,255,.07) 0%,rgba(255,255,255,.02) 28%,transparent 46%)}
/* heads-up notification (hero) */
.headsup{position:absolute;top:38px;left:10px;right:10px;z-index:5;background:#232326;border-radius:18px;padding:11px 13px;box-shadow:0 14px 34px rgba(0,0,0,.6);transform:translateY(-140%);opacity:0;will-change:transform,opacity;pointer-events:none}
.headsup__h{display:flex;align-items:center;gap:7px;font-size:10.5px;color:var(--fg-3);margin-bottom:4px}
.headsup__h i{width:14px;height:14px;border-radius:4px;background:#f2f2f2;display:block}
.headsup b{display:block;font-size:12.5px;font-weight:500;line-height:1.3}
.headsup small{display:block;font-family:var(--mono);font-size:10px;color:var(--fg-2);margin-top:3px}

/* screens */
.scr{position:absolute;inset:0;padding:48px 14px 26px;display:flex;flex-direction:column;gap:10px;font-size:12px;line-height:1.35;opacity:0;transform:translateY(10px);transition:opacity .45s var(--ease),transform .55s var(--ease);pointer-events:none}
.scr.is-on{opacity:1;transform:none}
.sbar{position:absolute;top:12px;left:22px;right:22px;display:flex;justify-content:space-between;align-items:center;font-size:11.5px;font-weight:500;color:#e6e6e6}
.sbar__i{display:flex;gap:5px;align-items:center}
.appbar{font-size:20px;font-weight:500;letter-spacing:-.02em;padding:6px 4px 2px}
.appbar--thread{display:flex;align-items:center;gap:10px;padding-top:4px}
.appbar--thread b{display:block;font-size:14px;font-weight:500}
.appbar--thread small{display:block;color:var(--fg-3);font-size:10.5px}
.av{width:34px;height:34px;border-radius:50%;background:#3a3a3d;display:grid;place-items:center;font-size:14px;font-weight:500;flex:none}
.av--xl{width:84px;height:84px;font-size:32px;background:#2f2f33}
.card{background:#1b1b1e;border-radius:16px;padding:12px}
.card--status{display:flex;align-items:center;gap:11px}
.card--status b{display:block;font-size:13.5px;font-weight:500}
.card--status small{display:block;color:var(--fg-3);font-size:10.5px}
.card--paused{margin-top:auto}
.live{width:8px;height:8px;border-radius:50%;background:var(--live);flex:none}
.live--off{background:var(--fg-3)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.stats div{background:#1b1b1e;border-radius:12px;padding:9px 10px}
.stats small{display:block;color:var(--fg-3);font-size:10px}
.stats b{display:block;font-size:15px;font-weight:500;letter-spacing:-.02em;margin-top:1px}
.label{font-size:10.5px;color:var(--fg-3);text-transform:uppercase;letter-spacing:.06em;margin-top:2px;padding-left:2px}
.card--rows{padding:2px 12px}
.card--rows > div{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:11.5px;color:var(--fg-2)}
.card--rows > div:last-child{border:0}
.card--rows b{font-weight:500;color:#fff;font-size:11px;white-space:nowrap}
.card--rows code{color:#fff;font-size:10.5px}
.card--rows span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ok{color:var(--live)!important}.no{color:var(--no)!important}
.tonal{margin-top:auto;height:40px;border-radius:999px;background:#2a2a2e;color:#fff;font-size:13px;font-weight:500}
.tonal--on{background:#fff;color:#000}
/* messages */
.thread{display:flex;flex-direction:column;gap:6px;margin-top:10px}
.m{max-width:84%;padding:9px 12px;border-radius:18px;font-size:12.5px}
.m--in{background:#262629;align-self:flex-start;border-bottom-left-radius:6px}
.m--out{background:#e8e8ea;color:#000;align-self:flex-end;border-bottom-right-radius:6px}
.m small{display:block;color:rgba(0,0,0,.5);font-size:10px;margin-top:3px}
.m--new{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease) .35s,transform .5s var(--ease) .35s}
.scr.is-on .m--new{opacity:1;transform:none}
.composer{margin-top:auto;display:flex;align-items:center;justify-content:space-between;background:#1b1b1e;border-radius:999px;padding:9px 8px 9px 14px;color:var(--fg-3);font-size:12px}
.composer i{width:26px;height:26px;border-radius:50%;background:#2a2a2e;position:relative}
.composer i::after{content:"";position:absolute;left:9px;top:8px;width:7px;height:7px;border-top:1.5px solid #fff;border-right:1.5px solid #fff;transform:rotate(45deg)}
/* call */
.call{flex:1;display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:38px;gap:6px}
.call__k{color:var(--fg-3);text-transform:uppercase;letter-spacing:.06em;font-size:10.5px;margin-bottom:12px}
.call b{font-size:22px;font-weight:500;letter-spacing:-.02em;margin-top:8px}
.call small{color:var(--fg-2);font-size:11.5px}
.call__acts{margin-top:auto;display:flex;gap:44px;padding-bottom:14px}
.call__btn{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;font-size:10.5px;font-weight:500}
.call__btn--no{background:var(--no);color:#000}
.call__btn--ok{background:var(--live);color:#000}
.scr.is-on .call__btn--no{animation:press .9s var(--ease) .5s both}
@keyframes press{0%,100%{transform:scale(1)}30%{transform:scale(.86)}}
.toast{display:flex;align-items:center;gap:8px;background:#1b1b1e;border-radius:12px;padding:9px 12px;font-size:11.5px;color:var(--fg-2);width:100%;opacity:0;transition:opacity .4s var(--ease) 1.1s}
.scr.is-on .toast{opacity:1}
/* notification */
.notif{background:#1f1f22;border-radius:18px;padding:13px 14px;display:flex;flex-direction:column;gap:6px;box-shadow:0 12px 30px rgba(0,0,0,.5)}
.notif__h{font-size:10.5px;color:var(--fg-3)}
.notif b{font-size:13px;font-weight:500}
.notif p{font-size:11.5px;color:var(--fg-2)}
.notif__body{background:#2a2a2e;border-radius:8px;padding:7px 9px;color:#fff}
.notif__acts{display:flex;gap:8px;margin-top:4px}
.notif__acts span{flex:1;text-align:center;border-radius:999px;padding:8px;font-size:12px;font-weight:500;background:#2f2f33}
.notif__ok{background:#fff!important;color:#000}
.notif__bar{height:3px;border-radius:3px;background:#2a2a2e;overflow:hidden}
.notif__bar i{display:block;height:100%;width:100%;background:var(--warn);transform-origin:left;transform:scaleX(.3)}
.scr.is-on .notif__bar i{animation:drain 6s linear forwards}
@keyframes drain{from{transform:scaleX(1)}to{transform:scaleX(0)}}
.card--log{margin-top:0}

/* demo */
.demo{position:relative}
.demo__stage{height:100svh;min-height:640px;display:flex;align-items:center;border-top:1px solid var(--line);background:var(--bg);position:relative}
.rule--stage{top:64px;width:min(1200px,100% - 2*var(--gut));margin-inline:auto}
.demo__grid{display:grid;grid-template-columns:1fr 1.15fr auto;gap:clamp(24px,4vw,64px);align-items:center;width:min(1200px,100% - 2*var(--gut))}
.captions{position:relative;min-height:260px}
.cap{position:absolute;inset:0 0 auto;opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .6s var(--ease);pointer-events:none}
.cap.is-on{opacity:1;transform:none;transition-delay:.15s}
.cap .n{font-family:var(--mono);font-size:12px;color:var(--fg-3);display:block;margin-bottom:16px}
.cap h2{font-size:clamp(28px,2.8vw,40px);font-weight:500;letter-spacing:-.03em;line-height:1.05;margin-bottom:14px;text-wrap:balance}
.cap p{color:var(--fg-2);font-size:15.5px;max-width:38ch;text-wrap:pretty}
.dots{list-style:none;display:flex;gap:6px}
.dots li{position:relative;width:22px;height:2px;background:var(--line-2);transition:background .3s}
.dots li button{position:absolute;inset:-12px -2px;background:none;border:0;cursor:pointer;border-radius:4px}
.dots li button:focus-visible{outline-offset:0}
.dots li.is-on{background:var(--fg)}
.term{background:var(--bg-1);border:1px solid var(--line);border-radius:14px;overflow:hidden;font-family:var(--mono);font-size:12.5px;line-height:1.55;height:min(560px,70svh);display:flex;flex-direction:column}
.term__bar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);color:var(--fg-3);font-size:11.5px}
.term__bar span{width:8px;height:8px;border-radius:50%;background:var(--live)}
.term__body{padding:14px 16px;overflow:hidden;mask-image:linear-gradient(to bottom,transparent,#000 48px);-webkit-mask-image:linear-gradient(to bottom,transparent,#000 48px);display:flex;flex-direction:column;gap:5px;flex:1;justify-content:flex-end}
.tl{color:var(--fg-2);opacity:0;transform:translateY(6px);transition:opacity .35s var(--ease),transform .45s var(--ease);white-space:pre-wrap;word-break:break-word;display:none}
.tl.is-in{display:block;opacity:1;transform:none}
.tl i{font-style:normal;color:var(--fg-3)}
.term__caret{width:7px;height:13px;background:var(--fg);margin-top:2px;animation:blink 1s steps(2) infinite}
.progress{display:flex;align-items:center;margin-top:30px}
.progress .dots{margin-right:auto}
.progress .dots{margin:0}
.progress .count{font-family:var(--mono);font-size:11.5px;color:var(--fg-3);font-variant-numeric:tabular-nums}
.progress .count b{color:var(--fg);font-weight:500}
.progress .cue{display:inline-flex;align-items:center;gap:6px;margin-left:18px;font-family:var(--mono);font-size:11.5px;color:var(--fg-2);opacity:0;transition:opacity .4s}
.progress .cue i{font-style:normal;display:inline-block;animation:nudge 1.6s var(--ease) infinite}
[data-step="0"] .progress .cue{opacity:1}
@keyframes nudge{0%,100%{transform:translateY(0)}50%{transform:translateY(3px)}}
.tl--u{color:var(--fg)}.tl--u::before{content:"> ";color:var(--fg-3)}
.tl--c::before{content:"● ";color:var(--live)}.tl--c{color:var(--fg)}
.tl--r::before,.tl--e::before,.tl--x::before{content:"  └ "}
.tl--e{color:var(--fg-2)}.tl--x{color:var(--no)}
.tl--a{color:var(--fg);margin-top:4px;font-family:var(--sans);font-size:13.5px;letter-spacing:-.01em}
.demo__device{perspective:1500px}
@media (max-width:1100px){.demo__grid{grid-template-columns:1fr auto}.term{display:none}}
@media (max-width:760px){
  .rule--stage{display:none}
  .demo__stage{min-height:0;align-items:flex-start;padding-top:84px}
  .demo__grid{grid-template-columns:1fr;gap:18px}
  .captions{min-height:190px}
  .cap h2{font-size:24px}.cap p{font-size:14px}
  .demo__device{display:flex;justify-content:center}
  .device--sm{--dev-w:210px;--dev-h:448px;--dev-r:30px}
  .device--sm .scr{transform:scale(1);font-size:10.5px;padding:38px 10px 20px;gap:7px}
  .device--sm .sbar{font-size:10px;left:16px;right:16px}
  .progress{margin-top:14px}
}

/* how */
.how{padding:0 0 0}
.how .rule + .wrap{padding-top:clamp(72px,10vh,120px)}
.arch{display:grid;grid-template-columns:1fr 120px 1fr 120px 1fr;align-items:stretch;margin-top:64px}
.node{border:1px solid var(--line);border-radius:18px;padding:28px 26px;background:var(--bg-1)}
.node__k{font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--fg-3)}
.node__ico{width:26px;height:26px;margin-top:28px;color:var(--fg-2)}
.node h3{font-size:22px;font-weight:500;letter-spacing:-.025em;margin:18px 0 10px}
.node p{color:var(--fg-2);font-size:14.5px;min-height:4.4em}
.node code{display:inline-block;margin-top:20px;color:var(--fg-3);font-size:12px}
.node{transition:border-color .3s}
.node:hover{border-color:var(--line-2)}
.node--phone{border-color:var(--line-2)}
.edge{display:flex;align-items:center;position:relative}
.edge span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--bg);padding:4px 8px;font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;color:var(--fg-3);white-space:nowrap}
.edge svg{width:100%;height:2px;overflow:visible}
.edge line{stroke:var(--line-2);stroke-width:2;stroke-dasharray:4 8;animation:flow 1.6s linear infinite}
.edge--rev line{animation-direction:reverse}
@keyframes flow{to{stroke-dashoffset:-12}}
.note{margin-top:40px;padding-bottom:clamp(100px,14vh,180px);color:var(--fg-2);max-width:66ch;font-size:15.5px}
@media (max-width:900px){
  .arch{grid-template-columns:1fr}
  .edge{height:72px;justify-content:center}
  .edge svg{width:72px;height:2px;transform:rotate(90deg)}
  .node p{min-height:0}
}

/* numbers */
.nums{border-top:1px solid var(--line)}
.nums__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.nums__grid > div{padding:48px 28px 48px 0;border-right:1px solid var(--line)}
.nums__grid > div:last-child{border:0}
.nums__grid > div + div{padding-left:28px}
.nums b{display:block;font-size:clamp(44px,5vw,72px);font-weight:500;letter-spacing:-.05em;line-height:1;font-variant-numeric:tabular-nums}
.nums span{display:block;color:var(--fg-3);font-size:13.5px;margin-top:12px}
.nums b span{display:inline;color:inherit;font-size:inherit;margin:0}
@media (max-width:900px){.nums__grid{grid-template-columns:1fr 1fr}.nums__grid > div{padding:32px 20px 32px 0}.nums__grid > div:nth-child(2n){border-right:0}.nums__grid > div:nth-child(n+3){border-top:1px solid var(--line)}.nums__grid > div:nth-child(3){padding-left:0}}

/* security */
.sec{padding:0 0 clamp(100px,14vh,180px)}
.sec .sec__grid{padding-top:clamp(72px,10vh,120px);margin-top:0}
.sec__grid{display:grid;grid-template-columns:1fr 1.6fr;gap:64px;align-items:start;margin-top:48px}
.sec__head{position:sticky;top:120px}
.sec__head .link{margin-top:28px}
.spec{border-top:1px solid var(--line)}
.spec{counter-reset:row}
.spec > div{display:grid;grid-template-columns:190px 1fr;gap:24px;padding:26px 0 26px 44px;border-bottom:1px solid var(--line);position:relative;counter-increment:row}
.spec > div::before{content:counter(row,decimal-leading-zero);position:absolute;left:0;top:29px;font-family:var(--mono);font-size:11.5px;color:var(--fg-3)}
.spec > div::after{content:"";position:absolute;inset:0 -16px;border-radius:12px;background:rgba(255,255,255,.03);opacity:0;transition:opacity .3s;pointer-events:none}
.spec > div:hover::after{opacity:1}
.spec dt{font-size:16px;font-weight:500;letter-spacing:-.01em}
.spec dd{color:var(--fg-2);font-size:15.5px;max-width:70ch;text-wrap:pretty}
@media (max-width:900px){.sec__grid{grid-template-columns:1fr;gap:40px}.sec__head{position:static}}
@media (max-width:760px){.spec > div{grid-template-columns:1fr;gap:8px;padding-left:36px}}

/* quick start */
.start{padding:0 0 clamp(100px,14vh,180px)}
.start .start__grid{padding-top:clamp(72px,10vh,120px)}
.start__grid{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:center}
.steps{list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:14px;margin-top:34px}
.steps li{counter-increment:s;position:relative;padding-left:44px;color:var(--fg-2);font-size:15.5px;line-height:1.5}
.steps li b{color:var(--fg);font-weight:500}
.steps li code{color:var(--fg)}
.steps li a{color:var(--fg);text-decoration:underline;text-underline-offset:3px}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:2px;font-family:var(--mono);font-size:12px;color:var(--fg-3)}
.steps--boxed{margin:0;gap:20px;padding:30px;border:1px solid var(--line);border-radius:18px;background:var(--bg-1)}
.shell{background:var(--bg-1);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.shell__bar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);color:var(--fg-3);font-family:var(--mono);font-size:11.5px}
.shell__bar span{width:8px;height:8px;border-radius:50%;background:var(--fg-3)}
.shell__copy{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--fg-2);padding:5px 10px;border:1px solid var(--line-2);border-radius:999px;transition:color .2s,border-color .2s,background .2s}
.shell__copy code{font-size:11px;color:inherit}
.shell__copy:hover{color:var(--fg);border-color:var(--fg-2)}
.shell__copy.is-done{color:var(--live);border-color:rgba(61,220,132,.4)}
.shell__body{font-family:var(--mono);font-size:12.5px;line-height:1.7;padding:16px 18px;min-height:320px;white-space:pre-wrap;color:#d4d4d4;margin:0}
.shell__body .p{color:var(--fg-3)}.shell__body .o{color:var(--fg-2)}.shell__body .k{color:var(--live)}
.caret{display:inline-block;width:7px;height:14px;background:var(--fg);vertical-align:-2px;animation:blink 1s steps(2) infinite}
@keyframes blink{to{opacity:0}}
@media (max-width:900px){.start__grid{grid-template-columns:1fr;gap:40px}}

/* download */
.dl{padding:0 0 clamp(100px,14vh,180px)}
.dl .dl__grid{padding-top:clamp(72px,10vh,120px)}
.dl__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
@media (max-width:900px){.dl__grid{grid-template-columns:1fr;gap:40px}}

.cert{grid-column:1 / -1;margin-top:8px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:var(--bg-1);display:flex;flex-direction:column;gap:8px}
.cert > span{font-family:var(--mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--fg-3)}
.cert > code{font-size:12.5px;color:var(--fg);word-break:normal;line-height:1.6}
.cert small{font-size:12.5px;color:var(--fg-3)}
.cert small code{color:var(--fg-2)}
.nf{min-height:100svh;display:flex;align-items:center;padding:120px 0}
.nf .h2{margin-top:0}
/* footer */
.foot{border-top:1px solid var(--line);padding:64px 0 28px}
.foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot__mark{display:block;font-size:clamp(28px,3vw,40px);font-weight:500;letter-spacing:-.04em;margin-bottom:12px}
.foot__brand p{color:var(--fg-3);font-size:14px;max-width:34ch}
.foot__col{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--fg-2)}
.foot__col span{color:var(--fg-3);font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}
.foot__col a{align-self:flex-start;position:relative;transition:color .2s}
.foot__col a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease)}
.foot__col a:hover{color:var(--fg)}
.foot__col a:hover::after{transform:scaleX(1);transform-origin:left}
.totop{display:inline-flex;gap:6px;transition:color .2s}
.totop:hover{color:var(--fg)}
.foot__base{display:flex;justify-content:space-between;margin-top:56px;padding-top:20px;border-top:1px solid var(--line);font-size:12.5px;color:var(--fg-3);font-family:var(--mono)}
@media (max-width:760px){.foot__grid{grid-template-columns:1fr 1fr}.foot__brand{grid-column:span 2}}

/* reveal: hidden only when JS is present */
.js [data-reveal]{opacity:0;transform:translateY(16px)}
.js [data-lines] .l > span{transform:translateY(110%)}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .js [data-reveal]{opacity:1;transform:none}
  .js [data-lines] .l > span{transform:none}
}

/* short phone viewports: keep the pinned demo inside the stage */
@media (max-width:760px) and (max-height:720px){
  .demo__stage{padding-top:70px}
  .demo__grid{gap:10px}
  .demo__text .kicker{margin-bottom:10px}
  .device--sm{--dev-w:180px;--dev-h:384px;--dev-r:26px}
  .captions{min-height:84px}
  .cap .n{margin-bottom:8px}
  .cap h2{font-size:21px;margin-bottom:0}
  .cap p{display:none}
  .progress{margin-top:8px}
}

/* no JavaScript: the demo reads as a static document */
html:not(.js) .demo__stage{height:auto;min-height:0;padding:96px 0 64px}
html:not(.js) .captions{min-height:0}
html:not(.js) .cap{position:static;opacity:1;transform:none;margin-bottom:28px}
html:not(.js) .progress,html:not(.js) .headsup{display:none}
html:not(.js) .tl{display:block;opacity:1;transform:none}
html:not(.js) .scr[data-scr="0"]{opacity:1;transform:none}
html:not(.js) .term__body{justify-content:flex-start;mask-image:none;-webkit-mask-image:none}
html:not(.js) .term{height:auto}
html:not(.js) .rule--stage{position:static;width:auto;margin-bottom:48px}
html:not(.js) .rule--stage::before{display:block}