/* Stonevault site styles. Tokens and layout come from the design handoff
   (Stonevault Website.dc.html / Stonevault Privacy Policy.dc.html); values
   are verbatim. Light is the default; dark is set via data-theme on <html>. */

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("/fonts/jetbrains-mono-latin.woff2") format("woff2");
}

:root {
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --page: #FCFCFB;
  --surface: #FFFFFF;
  --sunk: #F1F2F0;
  --line: #E3E5E2;
  --line-strong: #C6CBC6;
  --ink: #14181A;
  --ink-2: #4F5759;
  --ink-3: #5C6667;
  --accent: #0B6E6B;
  --accent-ink: #FFFFFF;
  --accent-soft: #E4F0EF;
  --accent-line: #9CC7C4;
  --link: #0B6E6B;
  --link-hover: #0B5854;
}

:root[data-theme="dark"] {
  --page: #101415;
  --surface: #171C1D;
  --sunk: #1D2324;
  --line: #252C2D;
  --line-strong: #3A4344;
  --ink: #EDF0EF;
  --ink-2: #B4BDBB;
  --ink-3: #93A09D;
  --accent: #5BB8B3;
  --accent-ink: #0A2321;
  --accent-soft: #16302E;
  --accent-line: #2E5A56;
  --link: #5BB8B3;
  --link-hover: #7CCAC5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

.wrap { max-width: 1140px; margin: 0 auto; padding-left: 28px; padding-right: 28px; }

/* ---------- Nav ---------- */

.nav {
  padding-top: 22px;
  padding-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { color: var(--ink); text-decoration: none; }
.brand svg { color: var(--accent); flex: none; }
.brand-name { font-weight: 650; font-size: 16.5px; letter-spacing: -0.02em; }
.nav-links { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.nav-links a { color: var(--ink-2); font-size: 14.5px; }
.theme-toggle {
  border: 1px solid var(--line-strong);
  background: none;
  color: var(--ink-2);
  border-radius: 9px;
  padding: 7px 13px;
  font: 500 13px var(--font-ui);
  cursor: pointer;
}

/* ---------- Hero ---------- */

.hero {
  padding-top: 64px;
  padding-bottom: 84px;
  display: flex;
  flex-wrap: wrap;
  gap: 56px;
  align-items: center;
}
.hero-copy { flex: 1 1 460px; min-width: 0; }
.kicker {
  font: 600 12px var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.hero h1 {
  margin: 18px 0 0;
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.05;
  text-wrap: balance;
}
.hero-sub {
  margin: 22px 0 0;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 560px;
  text-wrap: pretty;
}
.hero-ctas { margin-top: 34px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  display: inline-block;
  border: none;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 12px;
  padding: 14px 22px;
  font: 600 15.5px var(--font-ui);
  cursor: pointer;
  min-height: 44px;
}
.hero-note { margin-top: 16px; font: 500 12.5px var(--font-mono); color: var(--ink-3); }

/* Phone mock */
.hero-mock { flex: 0 1 330px; min-width: min(290px, 100%); }
.phone {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  border-radius: 34px;
  padding: 14px;
  box-shadow: 0 18px 44px rgba(10, 20, 20, 0.09);
}
.screen {
  border: 1px solid var(--line);
  background: var(--page);
  border-radius: 24px;
  padding: 18px;
  overflow: hidden;
}
.screen-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.screen-brand { display: flex; align-items: center; gap: 8px; }
.screen-brand svg { color: var(--accent); }
.screen-brand span { font-weight: 650; font-size: 13px; }
.badge-unlocked {
  font: 500 11px var(--font-mono);
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 4px 10px;
}
.screen-search {
  margin-top: 14px;
  background: var(--sunk);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--ink-3);
}
.rows { margin-top: 10px; display: flex; flex-direction: column; gap: 2px; }
.row { display: flex; align-items: center; gap: 12px; padding: 10px 8px; border-radius: 12px; }
.row.is-active { background: var(--sunk); }
.row-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-weight: 650;
  font-size: 14px;
  flex: none;
}
.row-text { min-width: 0; }
.row.is-active .row-text { flex: 1; }
.row-title { font-size: 14px; font-weight: 600; }
.row-sub {
  font: 400 11.5px var(--font-mono);
  color: var(--ink-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.row-copied { font: 500 10.5px var(--font-mono); color: var(--accent); flex: none; }

/* ---------- Sections ---------- */

.section-verify { padding-bottom: 28px; }
.section-how { padding-top: 54px; padding-bottom: 54px; }
.section-faq { padding-top: 54px; padding-bottom: 72px; }

.cards-2 {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr));
  gap: 18px;
}
.cards-3 {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 18px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 30px 30px 26px;
  /* Let grid tracks shrink below the terminal blocks' unbreakable
     min-content width; the pre then scrolls inside the card. */
  min-width: 0;
}
.card-step { padding: 26px 26px 24px; }
.card-label { font: 600 12px var(--font-mono); color: var(--accent); letter-spacing: 0.1em; }
.card h3 { margin: 12px 0 0; font-size: 24px; font-weight: 650; letter-spacing: -0.02em; }
.card p { margin: 12px 0 0; font-size: 15.5px; line-height: 1.65; color: var(--ink-2); text-wrap: pretty; }
.card-step .step-num { font: 600 13px var(--font-mono); color: var(--accent); }
.card-step h4 { margin: 10px 0 0; font-size: 20px; font-weight: 650; letter-spacing: -0.015em; }
.card-step p { margin: 8px 0 0; font-size: 15px; line-height: 1.65; color: var(--ink-2); text-wrap: pretty; }

.terminal {
  min-width: 0;
  margin-top: 18px;
  background: var(--sunk);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--ink-2);
  white-space: pre;
  overflow-x: auto;
}
.terminal .comment { color: var(--accent); }

/* ---------- Source ---------- */

.source-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
}
.source-copy { flex: 1 1 380px; min-width: 0; }
.source-copy h3 { margin: 0; font-size: 26px; font-weight: 650; letter-spacing: -0.02em; }
.source-copy p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 540px;
  text-wrap: pretty;
}
.source-side { flex: 0 1 380px; min-width: min(280px, 100%); display: flex; flex-direction: column; gap: 14px; }
.source-side .terminal { margin-top: 0; padding: 14px 18px; }
.btn-source {
  align-self: flex-start;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 12px;
  padding: 13px 20px;
  font: 600 15px var(--font-ui);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.btn-source:hover { color: var(--accent-ink); text-decoration: none; opacity: 0.92; }

/* ---------- FAQ ---------- */

.faq-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(380px, 100%), 1fr));
  gap: 30px 44px;
}
.faq-grid > div { min-width: 0; }
.faq-q { font-size: 17px; font-weight: 650; letter-spacing: -0.01em; }
.faq-a { margin: 8px 0 0; font-size: 15px; line-height: 1.65; color: var(--ink-2); text-wrap: pretty; }

/* ---------- Footer ---------- */

footer { border-top: 1px solid var(--line); }
.footer-inner {
  padding-top: 30px;
  padding-bottom: 46px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  align-items: center;
  justify-content: space-between;
}
.footer-brand { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.footer-brand svg { color: var(--ink-3); }
.footer-brand .name { font-weight: 600; font-size: 14px; }
.footer-brand .tag { font-size: 14px; color: var(--ink-3); }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; font-size: 14px; }
.footer-links .muted { color: var(--ink-3); }

/* ---------- Privacy page ---------- */

.article { max-width: 760px; margin: 0 auto; padding: 50px 28px 84px; }
.article h1 {
  margin: 0;
  font-size: clamp(32px, 4.5vw, 42px);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.article-meta { margin-top: 14px; font: 500 13px var(--font-mono); color: var(--ink-3); }
.summary-card {
  margin-top: 30px;
  background: var(--surface);
  border: 1px solid var(--accent-line);
  border-radius: 14px;
  padding: 22px 24px;
  font-size: 16.5px;
  line-height: 1.6;
  text-wrap: pretty;
}
.article section { margin-top: 34px; }
.article section:first-of-type { margin-top: 40px; }
.article h2 { margin: 0; font-size: 21px; font-weight: 650; letter-spacing: -0.015em; }
.article p {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-2);
  text-wrap: pretty;
}
.article p strong { color: var(--ink); font-weight: 600; }
.article .terminal { margin-top: 16px; }
.footer-inner.slim { padding-top: 26px; padding-bottom: 44px; font-size: 14px; }
.footer-inner.slim .muted { color: var(--ink-3); }
.footer-inner.slim .links { display: flex; gap: 20px; }

/* ---------- Small screens ---------- */

@media (max-width: 640px) {
  .wrap { padding-left: 20px; padding-right: 20px; }
  .article { padding-left: 20px; padding-right: 20px; }
  .nav-links { gap: 14px; }
  .hero { padding-top: 40px; padding-bottom: 56px; gap: 40px; }
  .hero-sub { font-size: 16.5px; }
  .card { padding: 24px 22px 22px; }
  .source-card { padding: 26px 22px; }
  .hero-ctas .btn-primary { flex: 1 1 auto; text-align: center; }
}
