/* Artifact Relay landing page — local assets, system fonts. */
:root {
  color-scheme: dark;
  --bg: #090b0a;
  --panel: #101310;
  --panel-2: #151915;
  --ink: #f2f5f3;
  --muted: #9ca59f;
  --faint: #78847c;
  --line: #29302b;
  --line-strong: #3b443e;
  --green: #72e596;
  --green-dark: #102c1a;
  --max: 1160px;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration-color: var(--faint); text-underline-offset: .2em; }
a:hover { text-decoration-color: var(--green); }
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; }

.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; padding: .65rem 1rem; background: var(--ink); color: var(--bg); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header { position: relative; border-bottom: 1px solid var(--line); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 680; letter-spacing: -.02em; text-decoration: none; }
.brand-mark { width: 20px; height: 20px; border: 1px solid var(--green); border-radius: 5px; position: relative; }
.brand-mark::after { content: ""; width: 5px; height: 5px; background: var(--green); position: absolute; right: 3px; bottom: 3px; border-radius: 50%; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; font-size: .88rem; color: var(--muted); }
.nav-links a { text-decoration: none; }
.nav-links .nav-github { color: var(--ink); }

.hero { min-height: min(820px, calc(100svh - 72px)); display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(360px, .94fr); gap: clamp(3rem, 7vw, 7rem); align-items: center; padding-block: clamp(5rem, 10vw, 8rem); }
.hero > *, .surface-grid > *, .boundary > *, .plugin > * { min-width: 0; }
.eyebrow { margin: 0 0 1.25rem; color: var(--green); font: 600 .75rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
h1 { max-width: 780px; margin: 0; font-size: clamp(3rem, 7.2vw, 6.4rem); line-height: .96; letter-spacing: -.065em; font-weight: 650; }
.hero-copy { max-width: 650px; margin: 1.75rem 0 0; color: var(--muted); font-size: clamp(1.05rem, 1.8vw, 1.3rem); line-height: 1.55; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: .5rem; padding: .65rem 1rem; border: 1px solid var(--line-strong); border-radius: 7px; text-decoration: none; font-weight: 620; font-size: .92rem; }
.button-primary { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.button-secondary:hover { border-color: var(--green); }
.hero-note { margin: 1.25rem 0 0; color: var(--muted); font: .78rem/1.5 var(--mono); }

.terminal { border: 1px solid var(--line-strong); border-radius: 12px; background: #0c0f0d; box-shadow: 0 28px 80px rgb(0 0 0 / 35%); overflow: hidden; }
.terminal-bar { display: flex; align-items: center; justify-content: space-between; min-height: 43px; padding: 0 .9rem; border-bottom: 1px solid var(--line); color: var(--faint); font: .72rem var(--mono); }
.dots { display: flex; gap: 5px; }
.dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--line-strong); }
.terminal pre { margin: 0; padding: 1.4rem; overflow: auto; color: #cbd2ce; font: .78rem/1.8 var(--mono); white-space: pre-wrap; }
.terminal .prompt { color: var(--green); }
.terminal .response-label { color: var(--green); }
.terminal .result { color: var(--faint); }

section { border-top: 1px solid var(--line); }
.section { padding-block: clamp(5rem, 10vw, 9rem); }
.section-head { display: grid; grid-template-columns: .65fr 1.35fr; gap: 3rem; margin-bottom: clamp(3rem, 6vw, 5rem); }
.kicker { margin: .35rem 0 0; color: var(--faint); font: .74rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
h2 { max-width: 820px; margin: 0; font-size: clamp(2.2rem, 5vw, 4.5rem); line-height: 1.04; letter-spacing: -.05em; font-weight: 620; }
.lede { max-width: 680px; margin: 1.5rem 0 0; color: var(--muted); font-size: 1.08rem; }
.flow-figure { margin: 0; }
.flow-figure img { width: 100%; }
.flow-figure figcaption, .product-shot figcaption { margin-top: 1rem; color: var(--faint); font-size: .78rem; }

.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.proof { min-height: 220px; padding: 1.6rem; border-right: 1px solid var(--line); background: var(--panel); }
.proof:last-child { border-right: 0; }
.proof-index { display: block; color: var(--green); font: .74rem var(--mono); }
.proof h3 { margin: 3.5rem 0 .7rem; font-size: 1.1rem; }
.proof p { margin: 0; color: var(--muted); font-size: .9rem; }

.surface-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(270px, .6fr); gap: 2rem; align-items: start; }
.product-shot { margin: 0; padding: 10px; border: 1px solid var(--line-strong); border-radius: 14px; background: var(--panel); }
.product-shot img { width: 100%; border-radius: 7px; }
.surface-notes { display: grid; gap: .8rem; }
.note { padding: 1.2rem; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); }
.note strong { display: block; margin-bottom: .3rem; }
.note span { color: var(--muted); font-size: .88rem; }

.boundary { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 6rem); }
.boundary-copy h2 { font-size: clamp(2.2rem, 4vw, 4rem); }
.contract { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.contract li { display: grid; grid-template-columns: 24px 1fr; gap: .8rem; padding: 1rem 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.check { color: var(--green); font-family: var(--mono); }
.boundary-card { padding: 1.5rem; border: 1px solid #29593a; border-radius: 12px; background: var(--green-dark); }
.boundary-card h3 { margin: 0 0 .75rem; }
.boundary-card p { margin: 0; color: #b6c7bc; font-size: .92rem; }

.compare { width: 100%; border-collapse: collapse; font-size: .92rem; }
.compare-wrap { max-width: 100%; overflow-x: auto; }
.compare th, .compare td { padding: 1.25rem 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare th { color: var(--faint); font: .72rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.compare td:first-child { width: 22%; color: var(--ink); font-weight: 620; }
.compare td { color: var(--muted); }
.compare tr:first-child td { background: var(--panel); }

.install-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.install-grid > * { min-width: 0; }
.install-card { padding: clamp(1.3rem, 3vw, 2rem); border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.install-card h3 { margin: 0; font-size: 1.35rem; }
.install-card > p { min-height: 3.3em; color: var(--muted); font-size: .9rem; }
.code { position: relative; margin-top: 1.3rem; border: 1px solid var(--line); border-radius: 8px; background: #0a0c0b; }
.code pre { margin: 0; padding: 1.15rem 4rem 1.15rem 1.15rem; overflow: auto; color: #d4dbd6; font: .75rem/1.75 var(--mono); white-space: pre-wrap; }
.copy { display: none; position: absolute; top: .65rem; right: .65rem; padding: .3rem .5rem; border: 1px solid var(--line-strong); border-radius: 5px; background: var(--panel-2); color: var(--muted); cursor: pointer; font: .68rem var(--mono); }
.clipboard-ready .copy { display: block; }
.details-link { display: inline-block; margin-top: 1rem; color: var(--green); font-size: .86rem; }

.plugin { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; align-items: center; }
.plugin h2 { font-size: clamp(2.2rem, 4.5vw, 4.2rem); }
.plugin-copy p { color: var(--muted); }
.tool-pills { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.2rem; }
.tool-pill { padding: .35rem .6rem; border: 1px solid var(--line-strong); border-radius: 99px; font: .72rem var(--mono); color: var(--green); }

.final { text-align: center; }
.final h2 { margin-inline: auto; }
.final p { max-width: 600px; margin: 1.4rem auto 0; color: var(--muted); }
.final .actions { justify-content: center; }
.release-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 1.3rem; margin-top: 2.5rem; color: var(--muted); font-size: .82rem; }
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; color: var(--faint); font-size: .78rem; }

/* Self-host first-value guide. */
.guide-hero { padding-block: clamp(5rem, 10vw, 8rem); }
.guide-hero h1 { max-width: 940px; }
.guide-hero .hero-copy { max-width: 760px; }
.guide-section { display: grid; gap: clamp(2rem, 5vw, 4rem); }
.guide-section > * { min-width: 0; }
.guide-heading { display: grid; grid-template-columns: .65fr 1.35fr; gap: 3rem; }
.prerequisites { padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.prerequisites h3, .credential-note h3 { margin: 0 0 .75rem; }
.prerequisites ul { display: flex; flex-wrap: wrap; gap: .6rem; margin: 0; padding: 0; list-style: none; }
.prerequisites li { padding: .4rem .7rem; border: 1px solid var(--line-strong); border-radius: 99px; color: var(--muted); font-size: .84rem; }
.steps { display: grid; gap: 1rem; margin: 0; padding: 0; list-style: none; }
.step-card { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr); gap: 2rem; padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.step-card .code { align-self: start; margin: 0; min-width: 0; }
.step-copy { display: flex; gap: 1rem; }
.step-copy h3 { margin: 0; font-size: 1.15rem; }
.step-copy p { margin: .5rem 0 0; color: var(--muted); font-size: .9rem; }
.step-number { flex: 0 0 auto; display: inline-grid; width: 2rem; height: 2rem; place-items: center; border: 1px solid #29593a; border-radius: 50%; color: var(--green); font: .72rem var(--mono); }
.credential-note { padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid #29593a; border-radius: 12px; background: var(--green-dark); }
.credential-note p, .callout { margin: 0; color: #b6c7bc; }
.code-large pre { padding-right: 5rem; white-space: pre; }
.callout { padding-left: 1rem; border-left: 2px solid var(--green); }
.cleanup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.danger-card { border-color: #5b3a35; }
.doc-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.doc-links a { display: grid; padding: 1.25rem; border: 1px solid var(--line); border-radius: 9px; text-decoration: none; background: var(--panel); }
.doc-links a:hover { border-color: var(--green); }
.doc-links span { color: var(--muted); font-size: .84rem; }
.compact-final { padding-block: clamp(4rem, 8vw, 7rem); }

@media (max-width: 820px) {
  .nav-links a:not(.nav-github) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { max-width: 640px; }
  .section-head, .boundary, .plugin, .guide-heading { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .proof:last-child { border-bottom: 0; }
  .proof h3 { margin-top: 2rem; }
  .surface-grid { grid-template-columns: 1fr; }
  .surface-notes { grid-template-columns: repeat(3, 1fr); }
  .install-grid { grid-template-columns: 1fr; }
  .step-card { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 62px; }
  h1 { font-size: clamp(2.5rem, 12vw, 3.6rem); letter-spacing: -.055em; }
  .hero { padding-block: 4rem; }
  .button { width: 100%; }
  .section { padding-block: 4.5rem; }
  .section-head { gap: 1.5rem; }
  .surface-notes { grid-template-columns: 1fr; }
  .compare { min-width: 480px; }
  .compare th, .compare td { min-width: 160px; }
  .compare td:first-child { min-width: 140px; }
  .footer-inner { flex-direction: column; }
  .guide-nav a:not(.nav-github) { display: none; }
  .cleanup-grid, .doc-links { grid-template-columns: 1fr; }
  .code-large pre { padding-right: 4rem; }
  .copy { min-width: 44px; min-height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}