/* QuorumPony site — vault identity: slate base, brass accent, parchment cards.
   Display serif + mono utility, echoing the app. No web fonts (privacy, speed). */

:root {
  --ink: #161a20;
  --slate: #1e232b;
  --panel: #232a34;
  --panel-2: #28303b;
  --line: #343c48;
  --brass: #c8973a;
  --brass-bright: #e3b75a;
  --parchment: #efe6d3;
  --parchment-ink: #2b2417;
  --text: #ece6d8;
  --muted: #99a1ad;
  --verdigris: #5aa888;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, ui-serif, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --wrap: 1060px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--brass-bright); text-decoration: none; }
a:hover { color: var(--brass); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---- Type ---- */
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; color: var(--text); margin: 0; }
h1 { font-size: clamp(2.4rem, 6vw, 3.6rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.7rem, 4vw, 2.3rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
.lead { font-size: 1.22rem; color: var(--muted); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--brass);
  margin: 0 0 0.9rem;
}

.mono { font-family: var(--mono); }
.muted { color: var(--muted); }

/* ---- Header / nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(22, 26, 32, 0.82);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--serif); font-size: 1.2rem; color: var(--text); }
.brand img { width: 30px; height: 30px; border-radius: 7px; display: block; }
.brand:hover { color: var(--text); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); }
.nav-links .nav-cta {
  color: var(--ink); background: var(--brass); font-weight: 600;
  padding: 8px 16px; border-radius: 9px;
}
.nav-links .nav-cta:hover { background: var(--brass-bright); color: var(--ink); }

/* ---- Pips: the signature K-of-N mark ---- */
.pips { display: inline-flex; gap: 8px; align-items: center; vertical-align: middle; }
.pip { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--brass); display: inline-block; }
.pip.full { background: var(--brass); }
.pip.empty { background: transparent; }

/* ---- Hero ---- */
.hero { position: relative; padding: 88px 0 72px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% 0 auto 0; height: 560px;
  background: radial-gradient(60% 80% at 70% 0%, rgba(200,151,58,0.20), transparent 70%);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 48px; align-items: center; }
.hero h1 { margin-bottom: 18px; }
.hero .lead { max-width: 34ch; }
.hero-art { display: flex; justify-content: center; }
.hero-art img { width: min(280px, 70vw); height: auto; border-radius: 28px; box-shadow: 0 24px 60px rgba(0,0,0,0.45); }
.hero-pips { margin: 26px 0 30px; display: flex; align-items: center; gap: 14px; }
.hero-pips .label { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); letter-spacing: 0.04em; }

/* ---- Buttons ---- */
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 600; font-size: 1rem; padding: 13px 22px; border-radius: 11px;
  border: 1px solid transparent; cursor: pointer; transition: background .15s, border-color .15s, color .15s;
}
.btn-store { background: var(--brass); color: var(--ink); }
.btn-store:hover { background: var(--brass-bright); color: var(--ink); }
.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--brass); color: var(--text); }
.btn small { display: block; font-size: 0.7rem; font-weight: 500; opacity: 0.8; line-height: 1; }
.btn .big { font-size: 1.02rem; line-height: 1.1; }

/* ---- Sections ---- */
section { padding: 64px 0; }
.section-head { max-width: 52ch; margin-bottom: 40px; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---- Protect list ---- */
.protect { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 40px; max-width: 720px; }
.protect li { list-style: none; display: flex; gap: 12px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--line); }
.protect ul { margin: 0; padding: 0; }
.protect .tag { font-family: var(--mono); font-size: 0.72rem; color: var(--brass); letter-spacing: 0.08em; white-space: nowrap; }

/* ---- Feature grid ---- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 24px 22px;
}
.feature .ico {
  width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px;
  background: rgba(200,151,58,0.14); color: var(--brass-bright); margin-bottom: 14px;
}
.feature h3 { margin-bottom: 7px; }
.feature p { margin: 0; font-size: 0.96rem; color: var(--muted); }

/* ---- How it works ---- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding-top: 14px; }
.step .num {
  font-family: var(--mono); font-size: 0.8rem; color: var(--brass);
  letter-spacing: 0.1em; display: block; margin-bottom: 10px;
}
.step h3 { margin-bottom: 8px; }
.step p { margin: 0; color: var(--muted); font-size: 0.97rem; }

.demo {
  margin-top: 40px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 18px; padding: 28px; display: flex; flex-wrap: wrap;
  align-items: center; gap: 16px 28px;
}
.demo .cards { display: flex; gap: 10px; }
.demo .card {
  width: 46px; height: 62px; border-radius: 7px; background: var(--parchment);
  display: grid; place-items: center; color: var(--parchment-ink); font-family: var(--mono); font-size: 0.8rem;
  box-shadow: 0 6px 16px rgba(0,0,0,0.3);
}
.demo .card.lost { background: var(--slate); color: var(--muted); box-shadow: none; border: 1px dashed var(--line); }
.demo .verdict { font-family: var(--serif); font-size: 1.15rem; }
.demo .verdict.safe { color: var(--verdigris); }

/* ---- Banner (open source) ---- */
.banner {
  background: linear-gradient(180deg, var(--panel), var(--slate));
  border: 1px solid var(--line); border-radius: 20px; padding: 40px 36px;
  display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: center;
}
.banner h2 { margin-bottom: 10px; }
.banner p { margin: 0; color: var(--muted); max-width: 56ch; }

/* ---- Content pages ---- */
.page { padding: 56px 0 24px; }
.page h1 { margin-bottom: 10px; }
.prose { max-width: 720px; }
.prose h2 { margin: 38px 0 12px; }
.prose h3 { margin: 26px 0 8px; }
.prose p, .prose li { color: #d7d2c6; }
.prose ul { padding-left: 1.2em; }
.prose li { margin: 6px 0; }
.prose code { font-family: var(--mono); font-size: 0.9em; background: var(--panel); padding: 2px 6px; border-radius: 6px; color: var(--brass-bright); }
.updated { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); }

/* ---- Contact / key ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.card-block { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 26px; }
.card-block h3 { margin-bottom: 10px; }
.keyblock {
  background: #11151b; border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; overflow-x: auto; margin: 14px 0;
}
.keyblock pre { margin: 0; font-family: var(--mono); font-size: 0.72rem; line-height: 1.45; color: #c4cdd6; white-space: pre; }
.fp { font-family: var(--mono); font-size: 0.86rem; color: var(--brass-bright); word-spacing: 0.1em; }

.faq { max-width: 760px; }
.faq details {
  border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px; margin-bottom: 12px; background: var(--panel);
}
.faq summary { cursor: pointer; font-family: var(--serif); font-size: 1.1rem; padding: 14px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--brass); font-family: var(--mono); }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { color: var(--muted); margin: 0 0 14px; }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; margin-top: 24px; }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: flex-start; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--serif); color: var(--text); }
.footer-brand img { width: 26px; height: 26px; border-radius: 6px; }
.footer-links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 0.92rem; }
.footer-links a:hover { color: var(--text); }
.copyright { color: var(--muted); font-size: 0.82rem; margin-top: 18px; font-family: var(--mono); }

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-art { order: -1; }
  .features, .steps { grid-template-columns: 1fr 1fr; }
  .protect { grid-template-columns: 1fr; }
  .banner { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-cta) { display: none; }
}
@media (max-width: 560px) {
  .features, .steps { grid-template-columns: 1fr; }
}

/* ---- Motion ---- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(14px); animation: rise .6s ease forwards; }
  .reveal.d1 { animation-delay: .05s; }
  .reveal.d2 { animation-delay: .15s; }
  .reveal.d3 { animation-delay: .25s; }
  @keyframes rise { to { opacity: 1; transform: none; } }
}