@font-face { font-family: "Geist"; src: url("/assets/fonts/Geist-Variable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("/assets/fonts/GeistMono-Variable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  color-scheme: light;
  --font: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Consolas, monospace;
  --bg: #fafafa; --surface: #ffffff; --surface-2: #f4f4f5; --border: #e7e7eb; --border-strong: #d4d4d8;
  --text: #0b0b0d; --text-2: #3b3b43; --muted: #6e6e78; --faint: #a0a0aa;
  --primary: #0b0b0d; --on-primary: #fff; --brand: #10b981;
  --inbox: #16a34a; --tab: #d97706; --spam: #dc2626; --sent: #7c3aed; --ready: #2563eb;
  --code-bg: #0f0f12; --code-text: #e4e4e7;
  --shadow: 0 30px 80px -30px rgb(0 0 0 / .25), 0 0 0 1px rgb(0 0 0 / .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #09090b; --surface: #111114; --surface-2: #17171b; --border: #232329; --border-strong: #33333b;
    --text: #f4f4f5; --text-2: #d4d4d8; --muted: #9b9ba6; --faint: #6b6b75;
    --primary: #f4f4f5; --on-primary: #09090b;
    --inbox: #4ade80; --tab: #fbbf24; --spam: #f87171; --sent: #a78bfa; --ready: #60a5fa;
    --code-bg: #141418; --shadow: 0 30px 80px -30px rgb(0 0 0 / .8), 0 0 0 1px rgb(255 255 255 / .07);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
code, pre, kbd { font-family: var(--mono); }
.wrap { width: min(1120px, 100% - 32px); margin: 0 auto; }
.i { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid transparent; background: color-mix(in srgb, var(--bg) 80%, transparent); backdrop-filter: saturate(1.4) blur(14px); }
.nav.scrolled, .docs-page .nav { border-bottom-color: var(--border); }
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -.01em; text-decoration: none; }
.logo { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--primary); color: var(--on-primary); }
.logo svg { width: 60%; height: 60%; }
.nav-links { display: flex; gap: 22px; margin-left: 12px; }
.nav-links a { color: var(--muted); font-size: 14px; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--text); }
.nav .right { margin-left: auto; display: flex; gap: 8px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 16px; border: 1px solid var(--border-strong); border-radius: 10px; background: var(--surface); color: var(--text); font: 500 14px var(--font); text-decoration: none; white-space: nowrap; transition: background .15s, transform .15s; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--primary); color: var(--on-primary); border-color: transparent; }
.btn.primary:hover { background: color-mix(in srgb, var(--primary) 85%, var(--bg)); }
.btn.sm { height: 34px; padding: 0 12px; font-size: 13.5px; }

/* hero */
.hero { position: relative; padding: 88px 0 40px; text-align: center; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -200px 0 auto; height: 600px; background: radial-gradient(600px 300px at 50% 40%, color-mix(in srgb, var(--brand) 14%, transparent), transparent 70%); pointer-events: none; }
.eyebrow { position: relative; display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 12px; border: 1px solid var(--border); border-radius: 99px; background: var(--surface); color: var(--muted); font-size: 13px; }
.eyebrow b { color: var(--brand); font-weight: 600; }
.hero h1 { position: relative; max-width: 820px; margin: 22px auto 18px; font-size: clamp(38px, 6vw, 68px); line-height: 1.04; letter-spacing: -.045em; font-weight: 650; }
.hero h1 span { color: var(--muted); }
.hero p.lead { position: relative; max-width: 640px; margin: 0 auto; color: var(--muted); font-size: clamp(16px, 2vw, 19px); line-height: 1.6; }
.cta { position: relative; display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.cmd { position: relative; display: inline-flex; align-items: center; gap: 10px; margin-top: 22px; padding: 8px 8px 8px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); font: 13px var(--mono); color: var(--text-2); max-width: 100%; }
.cmd code { overflow-x: auto; white-space: nowrap; }
.cmd .p { color: var(--faint); user-select: none; }
.copy-btn { display: grid; place-items: center; width: 28px; height: 28px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); cursor: pointer; }
.copy-btn:hover { background: var(--surface-2); color: var(--text); }
.shot { position: relative; margin: 56px auto 0; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); background: var(--surface); }
.shot .bar { display: flex; gap: 6px; padding: 11px 14px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.shot .bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }

/* sections */
section.block { padding: 96px 0 0; }
.kicker { color: var(--brand); font: 500 13px var(--mono); letter-spacing: .02em; }
h2.title { max-width: 720px; margin: 10px 0 14px; font-size: clamp(28px, 4vw, 42px); line-height: 1.1; letter-spacing: -.035em; font-weight: 650; }
p.sub { max-width: 640px; margin: 0; color: var(--muted); font-size: 17px; }
.center { text-align: center; }
.center h2.title, .center p.sub { margin-left: auto; margin-right: auto; }

.principles { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 72px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.principle { padding: 22px; }
.principle + .principle { border-left: 1px solid var(--border); }
.principle .i { color: var(--brand); }
.principle h3 { margin: 12px 0 6px; font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.principle p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; counter-reset: step; }
.step { position: relative; padding: 22px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.step::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 18px; color: var(--faint); font: 500 13px var(--mono); }
.step h3 { margin: 0 0 6px; font-size: 16px; font-weight: 600; letter-spacing: -.01em; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 40px; overflow: hidden; border: 1px solid var(--border); border-radius: 14px; background: var(--border); }
.feature { padding: 26px; background: var(--surface); }
.feature .ico { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2); }
.feature h3 { margin: 16px 0 6px; font-size: 16px; font-weight: 600; letter-spacing: -.01em; }
.feature p { margin: 0; color: var(--muted); font-size: 14.5px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 9px; border-radius: 99px; background: color-mix(in srgb, var(--c) 13%, transparent); color: color-mix(in srgb, var(--c) 85%, var(--text)); font-size: 12px; font-weight: 500; }
.chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c); }

.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; align-items: center; }
.split .shot { margin: 0; }
.checks { display: grid; gap: 14px; margin: 28px 0 0; padding: 0; list-style: none; }
.checks li { display: flex; gap: 12px; color: var(--text-2); font-size: 15px; }
.checks li .i { margin-top: 3px; color: var(--brand); }

.terminal { overflow: hidden; border: 1px solid var(--border); border-radius: 14px; background: var(--code-bg); box-shadow: var(--shadow); }
.terminal .bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; border-bottom: 1px solid #ffffff12; color: #8b8b95; font: 12px var(--mono); }
.terminal .bar i { width: 10px; height: 10px; border-radius: 50%; background: #ffffff22; }
.terminal .bar span { margin-left: 8px; }
.terminal pre { margin: 0; padding: 20px; overflow-x: auto; color: var(--code-text); font-size: 13.5px; line-height: 1.8; }
.terminal .c { color: #71717a; }
.terminal .p { color: #10b981; user-select: none; }

.notice { display: flex; gap: 14px; margin-top: 96px; padding: 22px 24px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.notice .i { margin-top: 3px; color: var(--tab); }
.notice h3 { margin: 0 0 4px; font-size: 15px; }
.notice p { margin: 0; color: var(--muted); font-size: 14.5px; }

.final { margin-top: 96px; padding: 64px 24px; border: 1px solid var(--border); border-radius: 20px; background: radial-gradient(500px 220px at 50% 0%, color-mix(in srgb, var(--brand) 12%, transparent), transparent), var(--surface); text-align: center; }

footer { margin-top: 96px; padding: 32px 0 48px; border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
footer nav { display: flex; gap: 20px; margin-left: auto; }
footer a { text-decoration: none; }
footer a:hover { color: var(--text); }

/* docs */
.docs { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; padding: 48px 0 0; }
.toc { position: sticky; top: 88px; align-self: start; display: grid; gap: 2px; font-size: 14px; }
.toc b { margin-bottom: 8px; color: var(--faint); font: 500 12px var(--mono); }
.toc a { padding: 5px 10px; border-left: 1px solid var(--border); color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--text); border-left-color: var(--text); }
.prose { max-width: 760px; }
.prose h1 { margin: 0 0 12px; font-size: clamp(32px, 5vw, 44px); line-height: 1.1; letter-spacing: -.04em; font-weight: 650; }
.prose > p.lead { margin: 0 0 8px; color: var(--muted); font-size: 18px; }
.prose h2 { margin: 56px 0 12px; padding-top: 8px; font-size: 24px; letter-spacing: -.025em; font-weight: 600; scroll-margin-top: 80px; }
.prose h3 { margin: 32px 0 8px; font-size: 17px; font-weight: 600; letter-spacing: -.01em; scroll-margin-top: 80px; }
.prose p, .prose li { color: var(--text-2); font-size: 15.5px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li + li { margin-top: 6px; }
.prose a { color: var(--text); text-underline-offset: 3px; text-decoration-color: var(--border-strong); }
.prose a:hover { text-decoration-color: var(--text); }
.prose :not(pre) > code { padding: 2px 6px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface-2); font-size: .86em; overflow-wrap: anywhere; }
.prose pre { position: relative; margin: 16px 0; padding: 16px 18px; overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; background: var(--code-bg); color: var(--code-text); font-size: 13.5px; line-height: 1.7; }
.prose pre .c { color: #71717a; }
.prose pre .copy-btn { position: absolute; top: 8px; right: 8px; color: #8b8b95; }
.prose pre .copy-btn:hover { background: #ffffff14; color: #fff; }
.prose table { width: 100%; margin: 16px 0; border-collapse: collapse; font-size: 14px; }
.prose th, .prose td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.prose th { color: var(--muted); font-weight: 500; font-size: 13px; }
.prose td code { white-space: nowrap; }
.tip { display: flex; gap: 12px; margin: 18px 0; padding: 14px 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); font-size: 14.5px; color: var(--text-2); }
.tip .i { margin-top: 2px; color: var(--ready); }
.tip.warn .i { color: var(--tab); }
.tip p { margin: 0; font-size: 14.5px; }
.stack-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 18px 0; }
.stack-item { padding: 16px 18px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.stack-item b { display: block; font-size: 15px; font-weight: 600; }
.stack-item span { color: var(--muted); font-size: 14px; }
.diagram { margin: 18px 0; padding: 22px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); overflow-x: auto; }
.diagram svg { display: block; width: 100%; min-width: 620px; height: auto; }
.diagram text { font-family: var(--font); fill: var(--text); }
.diagram .muted-t { fill: var(--muted); }
.diagram rect.box { fill: var(--surface-2); stroke: var(--border-strong); }
.diagram path, .diagram line { stroke: var(--faint); fill: none; }
details { margin: 10px 0; padding: 14px 18px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
details summary { cursor: pointer; font-weight: 500; }
details p { margin: 10px 0 0; }

@media (max-width: 900px) {
  .principles, .steps { grid-template-columns: 1fr 1fr; }
  .principle:nth-child(3) { border-left: 0; }
  .principle:nth-child(n+3) { border-top: 1px solid var(--border); }
  .features { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .docs { grid-template-columns: 1fr; gap: 0; padding-top: 32px; }
  .toc { display: none; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav .right .hide-sm { display: none; }
  .hero { padding-top: 56px; }
  .principles, .steps, .features, .stack-grid { grid-template-columns: 1fr; }
  .principle + .principle { border-left: 0; border-top: 1px solid var(--border); }
  section.block { padding-top: 72px; }
  footer nav { margin-left: 0; }
}
.docs > * { min-width: 0; }
@media (max-width: 640px) { .prose table { display: block; overflow-x: auto; } .prose td code { white-space: normal; } }
.checks code { padding: 1px 6px; border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 5px; font-size: 12.5px; }

.btn.coffee { border-color: color-mix(in srgb, #f5b301 45%, var(--border-strong)); background: color-mix(in srgb, #ffdd00 18%, var(--surface)); }
.btn.coffee:hover { background: color-mix(in srgb, #ffdd00 30%, var(--surface)); }
[hidden] { display: none !important; }
.logo { background: #0b0b0d; }