@font-face {
  font-family: "Familjen Grotesk";
  src: url("/fonts/familjen-grotesk.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

:root {
  --paper: #eef1ea;
  --paper-2: #e3e8df;
  --sheet: #f8faf5;
  --ink: #16203a;
  --ink-2: #47506a;
  --sage: #9db5a8;
  --sage-soft: #cfdcd3;
  --teal: #0e6b5f;
  --teal-soft: #d6ebe5;
  --void: #b8321d;
  --code-bg: #16203a;
  --code-ink: #e7ecf4;
  --sans: "Familjen Grotesk", ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --gutter: 24px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1626;
    --paper-2: #172036;
    --sheet: #141d31;
    --ink: #e9eef4;
    --ink-2: #a7b2c3;
    --sage: #557466;
    --sage-soft: #24342f;
    --teal: #5fcfb9;
    --teal-soft: #15332e;
    --void: #ff7a61;
    --code-bg: #0a101d;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1626; --paper-2: #172036; --sheet: #141d31; --ink: #e9eef4; --ink-2: #a7b2c3;
  --sage: #557466; --sage-soft: #24342f; --teal: #5fcfb9; --teal-soft: #15332e; --void: #ff7a61; --code-bg: #0a101d;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.55 var(--sans);
  font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration-color: var(--sage); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
code, pre { font-family: var(--mono); font-size: 0.86em; }
p code, li code, dd code, td code { background: var(--paper-2); padding: 1px 5px; border-radius: 4px; }
pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
h1, h2, h3 { margin: 0; font-weight: 640; letter-spacing: -0.02em; text-wrap: balance; }
h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.08; max-width: 20ch; }
h3 { font-size: 20px; line-height: 1.25; letter-spacing: -0.01em; }
p { margin: 0; text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 4px; }

.wrap { width: min(1180px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 10; background: var(--ink); color: var(--paper); padding: 8px 12px; border-radius: 6px; }
.skip:focus { left: 8px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 8px; border: 1.5px solid var(--ink);
  font-weight: 600; font-size: 16px; text-decoration: none; color: var(--ink); background: transparent;
  transition: background-color 120ms ease, color 120ms ease;
}
.btn:hover { background: var(--paper-2); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--teal); border-color: var(--teal); }
.btn.small { padding: 7px 14px; font-size: 15px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--sage-soft); }
.header-row { display: flex; align-items: center; gap: 28px; height: 64px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 21px; letter-spacing: -0.02em; text-decoration: none; }
.wordmark svg { width: 28px; height: 28px; }
.wm-ring { fill: none; stroke: var(--ink); stroke-width: 1.6; }
.wm-ring.thin { stroke: var(--sage); stroke-width: 1.2; stroke-dasharray: 2 2.2; }
.wm-tick { fill: none; stroke: var(--teal); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.site-header nav { display: flex; gap: 22px; margin-left: auto; font-size: 15.5px; }
.site-header nav a { text-decoration: none; color: var(--ink-2); }
.site-header nav a:hover { color: var(--ink); }

/* Hero */
.hero { display: grid; grid-template-columns: 1.02fr 1fr; gap: 64px; align-items: center; padding-block: 88px 104px; }
.hero h1 { font-size: clamp(44px, 6.4vw, 84px); line-height: 0.98; letter-spacing: -0.035em; font-weight: 660; max-width: 12ch; }
.lede { margin-top: 28px; font-size: 20px; line-height: 1.5; color: var(--ink-2); max-width: 36em; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 36px; }
.fine { margin-top: 22px; font-size: 14.5px; color: var(--ink-2); max-width: 46em; }

.certificate { position: relative; margin: 0; padding: 22px; border-radius: 20px; background: var(--sheet); box-shadow: 0 1px 0 var(--sage-soft), 0 30px 60px -30px rgb(22 32 58 / 0.35); }
.guilloche { position: absolute; inset: 0; width: 100%; height: 100%; border-radius: 20px; pointer-events: none; }
.guilloche path { fill: none; stroke: var(--sage); stroke-width: 0.6; opacity: 0.85; }
.cert-inner { position: relative; background: var(--sheet); border: 1px solid var(--sage); border-radius: 10px; padding: 22px 22px 18px; }
.cert-head { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 14px; border-bottom: 1px dashed var(--sage); }
.cert-title { font-family: var(--mono); font-weight: 500; font-size: 15px; }
.cert-serial { font-size: 13.5px; color: var(--ink-2); }
.ledger { list-style: none; margin: 0; padding: 0; font-family: var(--mono); font-size: 13.5px; }
.ledger li { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "var ttl" "val val"; gap: 4px 12px; padding: 14px 0; border-bottom: 1px solid var(--sage-soft); position: relative; }
.ledger .var { grid-area: var; color: var(--ink-2); }
.ledger .val { grid-area: val; font-size: 15px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; position: relative; }
.ledger .ttl { grid-area: ttl; color: var(--teal); font-variant-numeric: tabular-nums; min-width: 9ch; text-align: right; }
.ledger li.is-key .val { color: var(--ink); }
.ledger li.is-key .ttl, .ledger li.is-void .ttl { color: var(--void); }
.ledger li.is-void .val { color: var(--ink-2); text-decoration: line-through; text-decoration-color: var(--void); text-decoration-thickness: 2px; }
.ledger li.is-lease .val { color: var(--teal); }
.stamp {
  position: absolute; right: 8px; top: 50%; translate: 0 -50%; rotate: -9deg;
  font-family: var(--sans); font-weight: 700; font-size: 15px; letter-spacing: 0.12em;
  color: var(--void); border: 2px solid var(--void); border-radius: 5px; padding: 1px 8px;
  animation: stamp 260ms cubic-bezier(.2, 1.6, .4, 1) both;
}
@keyframes stamp { from { scale: 1.8; opacity: 0; } }
.cert-foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 14px; font-size: 13.5px; color: var(--ink-2); }
.cert-foot b { color: var(--ink); font-variant-numeric: tabular-nums; }

/* Sections */
.problem, .how, .code, .features, .security, .modes, .pricing, .quickstart, .faq { padding-block: 96px; border-top: 1px solid var(--sage-soft); }

.problem { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.facts { display: grid; gap: 28px; padding-left: 28px; border-left: 2px solid var(--sage); }
.facts p { font-size: 19px; line-height: 1.5; }
.facts a { font-size: 14.5px; color: var(--ink-2); margin-left: 4px; }
.facts strong { font-weight: 640; }

.flow { display: grid; grid-template-columns: 1fr 48px 1.15fr 48px 1fr; align-items: center; margin-top: 48px; }
.node { display: grid; gap: 10px; padding: 22px; border: 1.5px solid var(--ink); border-radius: 14px; background: var(--sheet); }
.node.broker { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.node-name { font-weight: 640; font-size: 18px; }
.node-note { font-size: 14.5px; color: var(--ink-2); }
.node.broker .node-note { color: var(--sage-soft); }
.token { justify-self: start; font-size: 14px; padding: 4px 8px; border-radius: 6px; }
.token.lease { background: var(--teal-soft); color: var(--teal); }
.token.root { background: var(--paper-2); }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 15px; }
.checks li { display: flex; gap: 8px; align-items: baseline; }
.checks li::before { content: ""; flex: none; width: 10px; height: 6px; border-left: 2px solid var(--sage); border-bottom: 2px solid var(--sage); rotate: -45deg; translate: 0 -3px; }
.wire { height: 2px; background: repeating-linear-gradient(90deg, var(--ink) 0 6px, transparent 6px 11px); position: relative; }
.wire span { position: absolute; right: -1px; top: 50%; width: 8px; height: 8px; border-top: 2px solid var(--ink); border-right: 2px solid var(--ink); translate: 0 -50%; rotate: 45deg; }

.steps { list-style: none; margin: 72px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; counter-reset: step; }
.steps li { counter-increment: step; display: grid; gap: 10px; align-content: start; }
.steps li::before { content: counter(step); font-size: 56px; line-height: 1; font-weight: 640; color: transparent; -webkit-text-stroke: 1.4px var(--sage); letter-spacing: -0.04em; }
.steps p { color: var(--ink-2); font-size: 16px; }

.code { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; align-items: start; }
.code-intro p { margin-top: 18px; color: var(--ink-2); font-size: 18px; max-width: 32em; }
.tabs { border-radius: 14px; background: var(--code-bg); color: var(--code-ink); overflow: hidden; }
.tablist { display: flex; gap: 2px; padding: 8px 8px 0; overflow-x: auto; border-bottom: 1px solid rgb(255 255 255 / 0.08); }
.tablist button { font: 500 14.5px var(--sans); color: rgb(231 236 244 / 0.62); background: none; border: 0; padding: 10px 14px; border-radius: 8px 8px 0 0; cursor: pointer; white-space: nowrap; }
.tablist button[aria-selected="true"] { color: var(--code-ink); background: rgb(255 255 255 / 0.07); }
.tabs pre { margin: 0; padding: 24px; overflow-x: auto; font-size: 14px; line-height: 1.7; min-height: 290px; }
.tabs .c { color: #8796ae; }
.tabs .k { color: #9fd5c8; }
.tabs .s { color: #f0c98f; }

.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; margin: 48px 0 0; }
.feature-list div { padding: 22px 0; border-top: 1px solid var(--sage-soft); display: grid; grid-template-columns: 15ch 1fr; gap: 20px; }
.feature-list dt { font-weight: 640; }
.feature-list dd { margin: 0; color: var(--ink-2); }

.security { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; }
.security-intro p { margin-top: 18px; color: var(--ink-2); font-size: 18px; }
.threats { width: 100%; border-collapse: collapse; font-size: 16px; }
.threats th { text-align: left; font-weight: 600; font-size: 14.5px; color: var(--ink-2); padding: 0 16px 12px 0; border-bottom: 1.5px solid var(--ink); }
.threats td { padding: 16px 16px 16px 0; border-bottom: 1px solid var(--sage-soft); vertical-align: top; }
.threats td:first-child { font-weight: 560; width: 44%; }
.threats td:last-child { color: var(--ink-2); }

.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 40px; }
.mode { padding: 28px; border: 1px solid var(--sage); border-radius: 14px; display: grid; gap: 10px; }
.mode p { color: var(--ink-2); }

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; align-items: stretch; }
.plan { display: flex; flex-direction: column; gap: 14px; padding: 28px; border-radius: 16px; border: 1px solid var(--sage); background: var(--sheet); }
.plan.featured { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.plan.featured .btn.primary { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.plan.featured .btn.primary:hover { background: var(--teal-soft); }
.price { font-size: 30px; font-weight: 640; letter-spacing: -0.02em; }
.plan ul { list-style: none; margin: 0 0 8px; padding: 0; display: grid; gap: 8px; font-size: 15.5px; flex: 1; }
.plan li { padding-left: 18px; position: relative; }
.plan li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 7px; height: 7px; border-radius: 50%; border: 1.5px solid var(--sage); }
.plan .btn { align-self: flex-start; }

.qs-steps { margin: 40px 0 0; padding-left: 1.4em; display: grid; gap: 22px; max-width: 760px; font-size: 18px; }
.qs-steps li::marker { font-weight: 640; color: var(--ink-2); }
.qs-steps pre { margin: 10px 0 0; padding: 16px 18px; background: var(--code-bg); color: var(--code-ink); border-radius: 10px; overflow-x: auto; font-size: 14.5px; }

.faq details { border-top: 1px solid var(--sage-soft); max-width: 820px; }
.faq details:last-of-type { border-bottom: 1px solid var(--sage-soft); }
.faq h2 { margin-bottom: 32px; }
.faq summary { cursor: pointer; padding: 20px 36px 20px 0; font-weight: 600; font-size: 18px; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 9px; height: 9px; border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); translate: 0 -70%; rotate: 45deg; transition: rotate 160ms ease; }
.faq details[open] summary::after { rotate: 225deg; translate: 0 -30%; }
.faq details p { padding: 0 0 22px; color: var(--ink-2); max-width: 66ch; }

.closing { padding-block: 120px; border-top: 1px solid var(--sage-soft); display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.closing h2 { font-size: clamp(40px, 6vw, 76px); letter-spacing: -0.035em; }

.site-footer { border-top: 1px solid var(--sage-soft); padding-block: 28px; font-size: 14.5px; color: var(--ink-2); }
.footer-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 960px) {
  .hero, .problem, .code, .security { grid-template-columns: 1fr; gap: 44px; }
  .hero { padding-block: 56px 72px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .plans { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; gap: 0; }
  .wire { width: 2px; height: 36px; margin-inline: auto; background: repeating-linear-gradient(180deg, var(--ink) 0 6px, transparent 6px 11px); }
  .wire span { right: auto; left: 50%; top: auto; bottom: -1px; translate: -50% 0; rotate: 135deg; }
  .site-header nav { display: none; }
  .btn.small { margin-left: auto; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  body { font-size: 16px; }
  .problem, .how, .code, .features, .security, .modes, .pricing, .quickstart, .faq { padding-block: 64px; }
  .feature-list, .mode-grid, .steps { grid-template-columns: 1fr; }
  .feature-list div { grid-template-columns: 1fr; gap: 6px; }
  .lede { font-size: 18px; }
  .certificate { padding: 14px; }
  .cert-inner { padding: 16px 14px 14px; }
  .threats td:first-child { width: 50%; }
  .closing { padding-block: 80px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .stamp { animation: none; }
}

/* Grid and list children must be allowed to shrink below their longest code line. */
.hero > *, .problem > *, .code > *, .security > *, .qs-steps li { min-width: 0; }
section[id] { scroll-margin-top: 72px; }