/* Palette: Speedle+ logo (ink + #00aeef) with the speedle.io family (ink #172033, purple). */
:root{--ink:#0b1220;--text:#172033;--muted:#4d586c;--subtle:#626c80;--bg:#fff;--soft:#f5f7fb;--line:#e4e8f0;--line-strong:#d2d8e3;--cyan:#00aeef;--cyan-strong:#0369a1;--cyan-soft:#e8f6fd;--cyan-line:#c3e7f8;--allow:#15803d;--allow-soft:#ecf8f0;--deny:#be123c;--deny-soft:#fdf0f2;--on-dark:#e2e8f0;--on-dark-muted:#97a5bc;--radius:16px;--radius-lg:24px;--shadow-sm:0 1px 2px rgba(16,24,40,.05);--shadow:0 22px 48px -24px rgba(16,24,40,.24);--shadow-lg:0 44px 90px -32px rgba(11,18,32,.5);--sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;--mono:ui-monospace,"SF Mono",SFMono-Regular,"JetBrains Mono",Menlo,Consolas,monospace}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2{text-wrap:balance}
h3,p,li{text-wrap:pretty}
::selection{background:rgba(0,174,239,.22)}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.icon{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.icon-sm{width:15px;height:15px;stroke-width:2.2}
.wrap{width:min(1200px,100% - 48px);margin-inline:auto}
.skip-link{position:fixed;top:-100px;left:16px;z-index:100;padding:10px 16px;border-radius:10px;background:var(--ink);color:#fff;font-weight:600}
.skip-link:focus{top:12px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);-webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s,background-color .2s}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(255,255,255,.94)}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;border-radius:8px}
.brand img{width:144px}
.brand-tag{padding:5px 7px;border:1px solid var(--cyan-line);border-radius:6px;background:var(--cyan-soft);color:var(--cyan-strong);font-size:12px;font-weight:700;line-height:1;letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:2px;font-size:15px;font-weight:500;color:var(--muted)}
.nav-links a{display:inline-flex;align-items:center;gap:4px;padding:8px 12px;border-radius:9px;transition:color .15s,background-color .15s}
.nav-links a:hover,.nav-links a.is-active{color:var(--text);background:var(--soft)}
.nav-links .icon-sm{color:var(--subtle)}
.nav-links .nav-cta{margin-left:10px;border:1px solid var(--line-strong);color:var(--text);font-weight:600}
.menu-button{display:none;position:relative;width:44px;height:44px;padding:0;border:1px solid var(--line-strong);border-radius:12px;background:#fff}
.menu-button span{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s}
.menu-button span:first-child{top:17px}
.menu-button span:last-child{top:25px}
.menu-button[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.menu-button[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* Buttons and links */
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:12px 22px;border:1px solid transparent;border-radius:12px;font-size:16px;font-weight:600;line-height:1.2;white-space:nowrap;transition:transform .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease}
.btn .icon{width:18px;height:18px;stroke-width:2.2;transition:transform .18s ease}
.btn:hover{transform:translateY(-1px)}
.btn:hover .icon{transform:translateX(2px)}
.btn-primary{background:var(--cyan);color:#03141f;box-shadow:0 12px 24px -14px rgba(0,174,239,.9)}
.btn-primary:hover{background:#25bdf4}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--text);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:#aeb8ca}
.btn-ghost-dark{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost-dark:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.text-link{display:inline-flex;align-items:center;gap:4px;font-size:15px;font-weight:600;color:var(--cyan-strong)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* Hero */
.hero{position:relative;isolation:isolate;overflow:hidden;padding:clamp(56px,7vw,104px) 0 clamp(72px,8vw,120px)}
.hero-bg{position:absolute;inset:0;z-index:-1;background:radial-gradient(40% 48% at 86% 22%,rgba(0,174,239,.17),transparent 70%),radial-gradient(38% 46% at 70% 92%,rgba(109,74,224,.13),transparent 70%),linear-gradient(180deg,#fff 0%,#f6f8fc 100%)}
.hero-bg::before{content:"";position:absolute;inset:0;background-image:linear-gradient(to right,rgba(23,32,51,.055) 1px,transparent 1px),linear-gradient(to bottom,rgba(23,32,51,.055) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 70% 72% at 72% 40%,#000 15%,transparent 70%);mask-image:radial-gradient(ellipse 70% 72% at 72% 40%,#000 15%,transparent 70%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,1fr);gap:clamp(40px,6vw,88px);align-items:center}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;margin:0 0 28px;padding:6px 14px 6px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.85);box-shadow:var(--shadow-sm);font-size:14px;font-weight:600;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(0,174,239,.16)}
h1{margin:0;font-size:clamp(40px,5.3vw,68px);line-height:1.2;letter-spacing:-.01em;font-weight:700}
.grad{background:linear-gradient(92deg,#0284c7 0%,#4f46e5 62%,#7c3aed 100%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.hero-lead{margin:28px 0 10px;font-size:clamp(17px,1.45vw,20px);line-height:1.85}
.hero-sub{margin:0;font-size:16px;color:var(--muted)}
.hero-note{display:flex;align-items:center;gap:10px;margin:28px 0 0;font-size:14px;color:var(--subtle)}
.hero-note::before{content:"";width:18px;height:1px;background:var(--line-strong)}

/* Hero trace */
.trace{position:relative;margin:0;overflow:hidden;border:1px solid rgba(148,163,184,.16);border-radius:22px;background:linear-gradient(180deg,#111a2c 0%,var(--ink) 100%);color:var(--on-dark);box-shadow:var(--shadow-lg),inset 0 1px 0 rgba(255,255,255,.06)}
.trace::before{content:"";position:absolute;top:0;left:12%;right:12%;height:1px;background:linear-gradient(90deg,transparent,rgba(0,174,239,.85),transparent)}
.trace-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px 14px 20px;border-bottom:1px solid rgba(148,163,184,.14)}
.trace-title{display:flex;align-items:center;gap:10px;margin:0;font-size:15px;font-weight:600;color:#fff}
.trace-title img{width:17px;height:16px}
.trace-tools{display:flex;align-items:center;gap:8px}
.trace-chip{padding:7px 10px;border:1px solid rgba(148,163,184,.2);border-radius:999px;font:500 12px/1 var(--mono);color:var(--on-dark-muted)}
.trace-replay{display:grid;place-items:center;width:32px;height:32px;padding:0;border:1px solid rgba(148,163,184,.22);border-radius:10px;background:transparent;color:var(--on-dark-muted);transition:color .15s,border-color .15s,background-color .15s}
.trace-replay:hover{color:#fff;border-color:rgba(148,163,184,.5);background:rgba(255,255,255,.05)}
.trace-replay .icon{width:16px;height:16px}
.trace-list{display:grid;gap:2px;margin:0;padding:10px;list-style:none}
.trace-row{display:grid;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;column-gap:14px;padding:10px 12px;border-radius:12px;transition:background-color .2s}
.trace-row:hover{background:rgba(148,163,184,.07)}
.tr-icon{grid-row:1/3;display:grid;width:30px;height:30px}
.tr-icon i{grid-area:1/1;display:grid;place-items:center;border-radius:50%}
.tr-icon i::before{content:"";width:14px;height:14px;background:currentColor;-webkit-mask:var(--glyph) center/contain no-repeat;mask:var(--glyph) center/contain no-repeat}
.g-pending{opacity:0;color:var(--on-dark-muted);background:rgba(148,163,184,.12);--glyph:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='8' cy='8' r='6' stroke-dasharray='26 12'/%3E%3C/svg%3E")}
[data-verdict="allow"] .g-final{color:#4ade80;background:rgba(74,222,128,.12);--glyph:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3.5 8.5l3 3 6-6.5'/%3E%3C/svg%3E")}
[data-verdict="deny"] .g-final{color:#fb7185;background:rgba(251,113,133,.12);--glyph:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M4.5 4.5l7 7M11.5 4.5l-7 7'/%3E%3C/svg%3E")}
.tr-who{grid-column:2;font:500 13px/1.5 var(--mono);color:#7dd3fc}
.tr-what{grid-column:2;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:13px/1.6 var(--mono);color:#cbd5e1}
.tr-act{margin-right:8px;font-family:var(--sans);font-weight:600;color:#fff}
.tr-verdict{grid-column:3;grid-row:1/3;display:grid;justify-items:end;align-content:center;gap:6px}
.tr-verdict b{grid-area:1/1;padding:5px 8px;border-radius:7px;font:700 12px/1 var(--mono);letter-spacing:.06em}
.tr-verdict small{grid-area:2/1;font-size:12px;line-height:1.3;color:var(--on-dark-muted)}
.tr-verdict .v-pending{opacity:0;color:var(--on-dark-muted);box-shadow:inset 0 0 0 1px rgba(148,163,184,.3);font-family:var(--sans);letter-spacing:0}
[data-verdict="allow"] .v-final{color:#4ade80;background:rgba(74,222,128,.1);box-shadow:inset 0 0 0 1px rgba(74,222,128,.3)}
[data-verdict="deny"] .v-final{color:#fb7185;background:rgba(251,113,133,.1);box-shadow:inset 0 0 0 1px rgba(251,113,133,.3)}
.is-playing .trace-row{--at:calc(var(--i) * .7s + .35s);--done:calc(var(--at) + .5s);animation:row-in .4s var(--at) both}
.is-playing .g-pending,.is-playing .v-pending{animation:show-until .01s var(--done) both}
.is-playing .g-pending::before{animation:spin .8s linear var(--at) 2}
.is-playing .g-final,.is-playing .v-final,.is-playing .tr-verdict small{animation:pop-in .3s var(--done) both}
.trace.is-paused *,.trace.is-paused *::before{animation-play-state:paused}
.trace figcaption{display:flex;align-items:center;gap:8px;padding:14px 20px;border-top:1px solid rgba(148,163,184,.14);font-size:13px;color:var(--on-dark-muted)}
.trace figcaption .icon{width:16px;height:16px}
@keyframes row-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes show-until{from{opacity:1}to{opacity:0}}
@keyframes pop-in{from{opacity:0;transform:scale(.85)}to{opacity:1;transform:none}}
@keyframes spin{to{transform:rotate(360deg)}}

/* Sections */
.section{padding:clamp(72px,9vw,120px) 0}
.section-soft{background:var(--soft);border-block:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);align-items:end;gap:20px 64px;margin-bottom:clamp(36px,4.5vw,56px)}
.kicker{display:flex;align-items:center;gap:10px;margin:0 0 16px;font-size:15px;font-weight:700;color:var(--cyan-strong)}
.kicker span{padding:5px 7px;border:1px solid var(--cyan-line);border-radius:6px;background:var(--cyan-soft);font:600 12px/1 var(--mono)}
h2{margin:0;font-size:clamp(30px,3.5vw,46px);line-height:1.28;letter-spacing:-.01em;font-weight:700}
.section-lead{justify-self:end;max-width:500px;margin:0 0 4px;font-size:17px;line-height:1.85;color:var(--muted)}
.note{display:flex;align-items:flex-start;gap:10px;margin:28px 0 0;font-size:14px;line-height:1.75;color:var(--subtle)}
.note .icon{width:18px;height:18px;margin-top:3px}

/* Explore cards */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;padding:30px 28px 28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.card-icon{display:grid;place-items:center;width:48px;height:48px;border:1px solid var(--cyan-line);border-radius:14px;background:linear-gradient(135deg,#e8f6fd,#eef0fe);color:var(--cyan-strong)}
.card-icon .icon{width:24px;height:24px}
.card-num{font-size:13px;font-weight:600;color:var(--subtle)}
.card h3{margin:0 0 10px;font-size:21px;line-height:1.45;font-weight:700}
.card>p{flex:1;margin:0;font-size:16px;line-height:1.8;color:var(--muted)}
.card-example{margin-top:24px;padding:16px 18px;border-left:3px solid var(--cyan);border-radius:4px 12px 12px 4px;background:var(--soft)}
.card-example span{display:block;margin-bottom:4px;font-size:13px;font-weight:700;color:var(--cyan-strong)}
.card-example p{margin:0;font-size:16px;line-height:1.75;font-weight:600}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0;padding:0;list-style:none}
.tags li{padding:6px 10px;border:1px solid var(--line-strong);border-radius:999px;font:500 12px/1.2 var(--mono);color:var(--muted)}

/* Decision demo */
.demo{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr) minmax(0,1.08fr);overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow)}
.demo-pane{position:relative;min-width:0;margin:0;padding:28px 28px 32px}
.demo-wire{background:var(--ink);color:var(--on-dark)}
.hop{position:absolute;z-index:2;top:25px;left:0;display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--line-strong);border-radius:50%;background:#fff;color:var(--cyan-strong);box-shadow:var(--shadow-sm);transform:translateX(-50%)}
.hop .icon{width:16px;height:16px;stroke-width:2.3}
.pane-label{display:flex;align-items:center;gap:10px;margin:0 0 22px;font-size:15px;font-weight:700}
.pane-label span{display:grid;place-items:center;width:26px;height:26px;border:1px solid var(--cyan-line);border-radius:50%;background:var(--cyan-soft);color:var(--cyan-strong);font:700 12px/1 var(--mono)}
.demo-wire .pane-label{color:#fff}
.demo-wire .pane-label span{border-color:rgba(0,174,239,.4);background:rgba(0,174,239,.12);color:#7dd3fc}
.demo-input fieldset{min-width:0;margin:0 0 22px;padding:0;border:0}
.demo-input fieldset:last-child{margin-bottom:0}
.demo-input legend{margin:0 0 10px;padding:0;font-size:14px;font-weight:600;color:var(--muted)}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg label{position:relative;display:block}
.seg input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.seg span{display:flex;align-items:center;min-height:44px;padding:9px 16px;border:1px solid var(--line-strong);border-radius:11px;background:#fff;font-size:15px;font-weight:600;color:var(--muted);transition:background-color .15s,border-color .15s,color .15s,box-shadow .15s}
.seg label:hover span{border-color:#aeb8ca;color:var(--text)}
.seg input:checked+span{border-color:var(--ink);background:var(--ink);color:#fff;box-shadow:0 8px 18px -10px rgba(11,18,32,.75)}
.seg input:focus-visible+span{outline:3px solid var(--cyan);outline-offset:2px}
.wire-label{margin:0 0 8px;font-size:13px;font-weight:600;color:var(--on-dark-muted)}
.code{margin:0;padding:14px 16px;overflow-x:auto;border:1px solid rgba(148,163,184,.2);border-radius:12px;background:rgba(255,255,255,.04);font:13.5px/1.85 var(--mono);color:var(--on-dark);white-space:pre}
.code .k{color:#8b9ab3}
.code .v{border-radius:4px;color:#7dd3fc}
.code .v.is-true{color:#4ade80}
.code .v.is-false{color:#fb7185}
.code .v.flash{animation:flash 1s ease}
.wire-hop{display:flex;align-items:center;gap:10px;margin:18px 0;font-size:13px;font-weight:600;color:#c4cfdf}
.wire-hop span{flex:1;height:1px;background:linear-gradient(90deg,transparent,rgba(0,174,239,.65))}
.wire-hop span:last-child{background:linear-gradient(90deg,rgba(0,174,239,.65),transparent)}
.decision{display:grid;grid-template-columns:52px minmax(0,1fr);align-items:center;gap:0 16px;padding:20px;border:1px solid;border-radius:16px;transition:background-color .2s,border-color .2s,color .2s}
.decision[data-decision="allow"]{border-color:#c4e7d0;background:var(--allow-soft);color:var(--allow)}
.decision[data-decision="deny"]{border-color:#f5ccd5;background:var(--deny-soft);color:var(--deny)}
.decision.is-updated{animation:pop-in .3s ease}
.decision-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:currentColor}
.decision-icon .icon{width:26px;height:26px;stroke:#fff;stroke-width:2.6}
.decision[data-decision="allow"] .icon-deny,.decision[data-decision="deny"] .icon-allow{display:none}
.decision-head strong{display:block;font:700 26px/1.15 var(--mono);letter-spacing:.04em}
.decision-head span{display:block;margin-top:4px;font-size:15px;font-weight:600}
.decision p{grid-column:1/-1;margin:14px 0 0;font-size:15.5px;line-height:1.75;color:var(--text)}
.rules-title{margin:24px 0 10px;font-size:14px;font-weight:600;color:var(--muted)}
.rules{display:grid;gap:8px;margin:0;padding:0;list-style:none;counter-reset:rule}
.rules li{counter-increment:rule;display:grid;grid-template-columns:22px minmax(0,1fr) auto;align-items:start;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;font-size:14px;line-height:1.65;color:var(--subtle);transition:background-color .2s,border-color .2s,color .2s}
.rules li::before{content:counter(rule);width:22px;height:22px;border-radius:6px;background:var(--soft);font:600 12px/22px var(--mono);text-align:center;color:var(--subtle)}
.rules li.is-match{border-color:#9fd6ef;background:var(--cyan-soft);color:var(--text)}
.rules li.is-match::before{background:var(--cyan);color:#03141f}
.rule-hit{padding:3px 8px;border-radius:999px;background:var(--cyan-strong);color:#fff;font-size:12px;font-weight:600;line-height:1.4}
.rules li:not(.is-match) .rule-hit{display:none}
.demo-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;padding:16px 28px;border-top:1px solid var(--line);background:var(--soft)}
.demo-foot p{display:flex;align-items:flex-start;gap:8px;margin:0;font-size:14px;color:var(--subtle)}
.demo-foot p .icon{width:18px;height:18px;margin-top:3px}
@keyframes flash{from{background:rgba(0,174,239,.4)}to{background:transparent}}

/* Approach */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin:0;padding:0;list-style:none}
.step{position:relative;display:flex;flex-direction:column;padding:26px 24px 24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
.step:not(:last-child)::after{content:"";position:absolute;top:45px;right:-21px;width:22px;border-top:2px dotted #9aaec4}
.step-num{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--cyan-line);border-radius:12px;background:var(--cyan-soft);color:var(--cyan-strong);font:700 14px/1 var(--mono)}
.step h3{margin:20px 0 8px;font-size:18px;line-height:1.5;font-weight:700}
.step p{flex:1;margin:0;font-size:15px;line-height:1.8;color:var(--muted)}
.step code{align-self:flex-start;margin-top:18px;padding:6px 10px;border-radius:8px;background:var(--ink);color:#7dd3fc;font:500 13px/1.3 var(--mono)}
.foundation{display:flex;flex-wrap:wrap;align-items:center;gap:12px 14px;margin-top:24px;padding:18px 22px;border:1px dashed var(--line-strong);border-radius:var(--radius);background:rgba(255,255,255,.65)}
.foundation>p{margin:0 6px 0 0;font-size:14px;font-weight:600;color:var(--muted)}
.foundation ul{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.foundation li{padding:5px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:14px;font-weight:600}
.foundation .text-link{margin-left:auto}

/* About / call to action */
.about{padding-bottom:clamp(48px,6vw,72px)}
.cta{position:relative;isolation:isolate;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:32px 56px;padding:clamp(36px,5.5vw,72px);border-radius:28px;background:var(--ink);color:var(--on-dark)}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 90% at 100% 0%,rgba(0,174,239,.4),transparent 60%),radial-gradient(50% 80% at 78% 120%,rgba(109,74,224,.48),transparent 65%)}
.cta::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(to right,rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:linear-gradient(100deg,transparent 35%,#000 100%);mask-image:linear-gradient(100deg,transparent 35%,#000 100%)}
.cta h2{color:#fff}
.cta-copy>p:last-child{max-width:560px;margin:20px 0 0;font-size:17px;line-height:1.85;color:#b8c4d8}
.kicker-dark{color:#7dd3fc}
.cta .actions{margin:0}
.provenance{max-width:880px;margin:28px auto 0;font-size:14px;line-height:1.85;text-align:center;color:var(--subtle)}
.provenance a{color:var(--cyan-strong);text-decoration:underline;text-decoration-color:rgba(3,105,161,.3);text-underline-offset:3px}
.provenance a:last-child{margin-left:8px;white-space:nowrap}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--soft)}
.footer-grid{display:grid;grid-template-columns:1fr auto;align-items:center;gap:24px 40px;padding:40px 0 28px}
.footer-brand img{width:122px}
.footer-brand p{margin:10px 0 0;font-size:14px;color:var(--subtle)}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 28px;font-size:15px;color:var(--muted)}
.footer-links a:hover,.footer-meta a:hover{color:var(--text)}
.footer-meta{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--subtle)}

/* Responsive */
@media (max-width:1080px){
  .demo{grid-template-columns:1fr 1fr}
  .demo-input{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:20px 40px;border-bottom:1px solid var(--line)}
  .demo-input .pane-label{flex-basis:100%;margin-bottom:2px}
  .demo-input fieldset{margin:0}
  .demo-wire .hop{top:0;left:50%;transform:translate(-50%,-50%) rotate(90deg)}
  .steps{grid-template-columns:1fr 1fr}
  .step::after{display:none}
  .card h3{font-size:19px}
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .trace{width:100%}
  .section-head{grid-template-columns:1fr;align-items:start}
  .section-lead{justify-self:start}
  .cards{grid-template-columns:1fr}
  .card{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);grid-template-areas:"head head" "title example" "desc example" "tags example";align-items:start;column-gap:32px}
  .card-head{grid-area:head}
  .card h3{grid-area:title}
  .card>p{grid-area:desc}
  .card-example{grid-area:example;align-self:center;margin-top:0}
  .tags{grid-area:tags}
  .cta{grid-template-columns:1fr;align-items:start}
}
@media (max-width:860px){
  .menu-button{display:block}
  .nav-links{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;padding:12px 16px 20px;border-bottom:1px solid var(--line);background:#fff;box-shadow:0 24px 40px -24px rgba(16,24,40,.25)}
  .nav-links.is-open{display:flex}
  .nav-links a{padding:12px;font-size:16px}
  .nav-links .nav-cta{justify-content:center;margin:8px 0 0}
}
@media (max-width:700px){
  .demo{grid-template-columns:1fr}
  .demo-input{display:block;border-bottom:0}
  .demo-input .pane-label{margin-bottom:22px}
  .demo-input fieldset{margin-bottom:22px}
  .demo-output .hop{top:0;left:50%;transform:translate(-50%,-50%) rotate(90deg)}
}
@media (max-width:560px){
  .wrap{width:calc(100% - 32px)}
  .nav-wrap{height:64px}
  .brand img{width:124px}
  h1{font-size:clamp(34px,9.4vw,44px)}
  .br-wide{display:none}
  .hero-kicker{margin-bottom:22px;font-size:13px}
  .hero-lead{margin-top:22px;font-size:17px}
  .actions .btn{flex:1 1 auto}
  .trace-head{padding-left:16px}
  .trace-chip{display:none}
  .trace-list{padding:8px 6px}
  .trace-row{column-gap:10px;padding:10px 8px}
  .tr-what{font-size:12.5px}
  .card{display:flex;padding:24px 22px}
  .card-example{margin-top:22px}
  .demo-pane{padding:24px 20px 26px}
  .demo-foot{padding:16px 20px}
  .code{padding:12px 14px;font-size:12.5px}
  .steps{grid-template-columns:1fr}
  .foundation .text-link{margin-left:0}
  .cta{border-radius:22px}
  .cta .actions{flex-direction:column;align-items:stretch}
  .provenance{text-align:left}
  .provenance a:last-child{margin-left:0}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .trace-replay{display:none}
}