/* QAULT — private bank meets art gallery.
   Warm paper, deep ink, one green, a touch of brass. Light by default,
   dark when the device asks for it. */

:root {
  --paper: #f5f2ec;
  --paper-2: #ece7de;
  --card: #fbfaf7;
  --ink: #17191c;
  --ink-2: #3a3e44;
  --muted: #6b6f76;
  --line: rgba(23, 25, 28, 0.12);
  --line-2: rgba(23, 25, 28, 0.06);
  --accent: #1f5140;         /* vault green */
  --accent-ink: #f5f2ec;
  --brass: #a8823f;
  --shadow: 0 1px 2px rgba(23, 25, 28, 0.04), 0 12px 32px -12px rgba(23, 25, 28, 0.12);

  --shielded: #2c7a56;
  --program: #3b6ea8;
  --empty: #8a8d93;
  --low: #a8822a;
  --medium: #bd6128;
  --high: #a8352f;

  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121312;
    --paper-2: #1a1b1a;
    --card: #191a19;
    --ink: #ecebe6;
    --ink-2: #c9c8c2;
    --muted: #9a9a94;
    --line: rgba(236, 235, 230, 0.13);
    --line-2: rgba(236, 235, 230, 0.06);
    --accent: #8cc4ab;
    --accent-ink: #121312;
    --brass: #d2b072;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 40px -16px rgba(0, 0, 0, 0.6);
    --shielded: #7cc4a0;
    --program: #8db4e2;
    --empty: #8f918c;
    --low: #d9b45a;
    --medium: #e08a55;
    --high: #e0726a;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  font-feature-settings: "ss01", "cv11";
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
/* a whisper of paper grain */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: 0.35;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.top, main, footer, .devnet { position: relative; z-index: 1; }
a { color: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- header ---------- */

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  max-width: 1160px; margin: 0 auto; padding: 22px 24px;
}
.mark {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none;
  font: 600 15px/1 var(--sans); letter-spacing: 0.32em;
}
.mark svg { width: 24px; height: 24px; color: var(--accent); }
.nav { display: flex; gap: 4px; }
.nav a {
  position: relative; color: var(--muted); text-decoration: none; font: 500 14px var(--sans);
  padding: 8px 12px; border-radius: 999px; transition: color 0.3s var(--ease), background 0.3s var(--ease);
}
.nav a:hover { color: var(--ink); background: var(--line-2); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 3px; height: 1px; background: var(--ink);
}
.nav small { font: 500 10px var(--mono); color: var(--brass); text-transform: uppercase; letter-spacing: 0.08em; margin-left: 4px; }

main { max-width: 1160px; margin: 0 auto; padding: 0 24px 64px; }

/* ---------- type ---------- */

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 12px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.16em; margin: 0 0 22px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--brass); }

h1, h2, h3 { font-weight: 400; color: var(--ink); }
h1 {
  font: 400 clamp(46px, 7.6vw, 96px)/0.98 var(--serif);
  letter-spacing: -0.02em; margin: 0 0 26px;
}
h1 em, h1 .q { font-style: italic; color: var(--accent); }
section h2 { font: 400 clamp(32px, 4.4vw, 52px)/1.05 var(--serif); letter-spacing: -0.015em; margin: 0 0 20px; }
h3 { font: 600 17px/1.35 var(--sans); letter-spacing: -0.01em; }
.lede { color: var(--ink-2); font-size: clamp(17px, 1.6vw, 19px); line-height: 1.65; margin: 0 0 32px; max-width: 34em; }
.lede em { font-style: italic; color: var(--ink); }
.fine { color: var(--muted); font-size: 13px; margin: 14px 0 0; }

/* headline: words rise one after another */
.rise .w { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.rise .w > span { display: inline-block; transform: translateY(105%); animation: rise 1.1s var(--ease) forwards; animation-delay: calc(var(--i) * 70ms + 120ms); }
@keyframes rise { to { transform: none; } }

/* sections ease in as they arrive */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0ms); }
[data-reveal].in { opacity: 1; transform: none; }
.fade-in { opacity: 0; animation: fade 1.2s var(--ease) forwards; animation-delay: var(--d, 0.5s); }
@keyframes fade { to { opacity: 1; } }

/* ---------- hero ---------- */

.hero {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 48px; align-items: center;
  padding: 64px 0 56px; border-bottom: 1px solid var(--line);
}
.hero-art { position: relative; aspect-ratio: 4 / 5; border-radius: 4px; overflow: hidden; }
.hero-art canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-art figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 14px 0 0;
  font: 400 12px var(--mono); color: var(--muted); letter-spacing: 0.02em;
  border-top: 1px solid var(--line); background: var(--paper);
}

.check {
  display: flex; gap: 6px; max-width: 620px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 6px;
  box-shadow: var(--shadow); transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.check:focus-within { border-color: var(--accent); box-shadow: var(--shadow), 0 0 0 4px color-mix(in srgb, var(--accent) 14%, transparent); }
.check input {
  flex: 1; min-width: 0; background: transparent; border: 0; outline: 0; color: var(--ink);
  font: 15px var(--mono); padding: 13px 12px;
}
.check input::placeholder { color: var(--muted); opacity: 0.8; }

.btn, .check button {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 10px; cursor: pointer; text-decoration: none;
  background: var(--ink); color: var(--paper);
  font: 600 15px var(--sans); padding: 12px 22px; overflow: hidden;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.btn:hover, .check button:hover { transform: translateY(-1px); background: var(--accent); color: var(--accent-ink); box-shadow: 0 10px 24px -10px color-mix(in srgb, var(--accent) 60%, transparent); }
.btn:active, .check button:active { transform: translateY(0); }
.btn .arrow { transition: transform 0.35s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }
.check button:disabled, .btn:disabled { opacity: 0.5; cursor: progress; transform: none; }

/* ---------- result ---------- */

.result {
  --c: var(--accent);
  position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 32px; margin: 40px 0 8px; box-shadow: var(--shadow);
  animation: card-in 0.9s var(--ease);
}
@keyframes card-in { from { opacity: 0; transform: translateY(16px); } }
.result::before { content: ""; position: absolute; left: 32px; right: 32px; top: -1px; height: 2px; background: var(--c); transform-origin: left; animation: draw 1.2s var(--ease) 0.2s both; }
@keyframes draw { from { transform: scaleX(0); } }
.result[data-level="shielded"] { --c: var(--shielded); }
.result[data-level="program"]  { --c: var(--program); }
.result[data-level="empty"]    { --c: var(--empty); }
.result[data-level="low"]      { --c: var(--low); }
.result[data-level="medium"]   { --c: var(--medium); }
.result[data-level="high"]     { --c: var(--high); }

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: 0.12em; color: var(--c);
}
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

.result h2 { font: 400 clamp(30px, 4vw, 44px)/1.1 var(--serif); margin: 12px 0 8px; }
.result .say { color: var(--ink-2); margin: 0 0 24px; max-width: 64ch; }
.result .addr { font: 13px var(--mono); color: var(--muted); word-break: break-all; margin: 0 0 22px; }
.result .addr a { text-decoration-color: var(--line); text-underline-offset: 3px; }

.big { font: 400 clamp(56px, 10vw, 104px)/0.95 var(--serif); color: var(--c); margin: 0 0 6px; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.big-label { color: var(--muted); font-size: 14px; margin: 0 0 26px; }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0; margin: 0 0 24px; border-top: 1px solid var(--line); }
.fact { padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); }
.fact b { display: block; font: 500 11px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; }
.fact span { font-size: 16px; }

.tokens { width: 100%; border-collapse: collapse; font-size: 14px; margin: 0 0 20px; }
.tokens th { text-align: left; font: 500 11px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; padding: 8px 6px; border-bottom: 1px solid var(--line); }
.tokens td { padding: 9px 6px; border-bottom: 1px solid var(--line-2); }
.tokens td:not(:first-child), .tokens th:not(:first-child) { text-align: right; font-family: var(--mono); font-size: 13px; }
.tokens .mint { font: 12px var(--mono); color: var(--muted); }
details summary { cursor: pointer; color: var(--accent); margin: 0 0 12px; font-weight: 500; }

.share { display: flex; flex-wrap: wrap; gap: 8px; }
.share button, .share a, .btn.ghost {
  background: transparent; color: var(--ink); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 16px; font: 500 14px var(--sans); cursor: pointer; text-decoration: none;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}
.share button:hover, .share a:hover, .btn.ghost:hover { border-color: var(--ink); background: var(--line-2); transform: translateY(-1px); color: var(--ink); box-shadow: none; }

.loading { display: flex; align-items: center; gap: 14px; color: var(--muted); }
.loading .orb { width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--line); border-top-color: var(--accent); animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.error { color: var(--high); margin: 0; }

/* ---------- sections ---------- */

.explain, .levels, .vault { padding: 88px 0 0; }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: end; margin-bottom: 36px; }
.section-head p { color: var(--ink-2); margin: 0; max-width: 32em; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.cards article { padding: 26px 28px 8px 0; }
.cards article + article { padding-left: 28px; border-left: 1px solid var(--line); }
.cards .n { font: 400 44px/1 var(--serif); color: var(--brass); font-style: italic; }
.cards h3 { margin: 18px 0 10px; }
.cards p { color: var(--ink-2); margin: 0; font-size: 15px; }

.levels dl { margin: 0; border-top: 1px solid var(--ink); }
.levels dl > div { display: grid; grid-template-columns: 240px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); transition: background 0.3s var(--ease), padding 0.3s var(--ease); }
.levels dl > div:hover { background: var(--line-2); padding-left: 10px; }
.levels dt { font-weight: 600; display: flex; align-items: center; gap: 12px; }
.levels dd { margin: 0; color: var(--ink-2); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: none; }
.dot.shielded { background: var(--shielded); } .dot.empty { background: var(--empty); }
.dot.low { background: var(--low); } .dot.medium { background: var(--medium); } .dot.high { background: var(--high); }

.cta {
  display: grid; grid-template-columns: minmax(0, 1.2fr) auto; gap: 32px; align-items: center;
  background: var(--accent); color: var(--accent-ink); border-radius: 18px; padding: 44px 48px;
}
.cta h2 { color: var(--accent-ink); margin: 0 0 12px; }
.cta p { margin: 0; opacity: 0.85; max-width: 38em; }
.cta .btn { background: var(--accent-ink); color: var(--accent); }
.cta .btn:hover { background: var(--paper); color: var(--ink); }

.join { padding: 72px 0 0; }
.join-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; padding: 40px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.join-inner h2 { margin-bottom: 12px; }
.join-inner p { color: var(--ink-2); margin: 0; max-width: 34em; }
.join .eyebrow { margin-bottom: 16px; }
.join-msg { font-size: 13px; color: var(--muted); margin: 12px 0 0; }
.join-msg.ok { color: var(--shielded); font-size: 15px; }
.join-msg.err { color: var(--high); font-size: 14px; }
@media (max-width: 900px) { .join-inner { grid-template-columns: 1fr; gap: 24px; } }

footer { max-width: 1160px; margin: 0 auto; padding: 28px 24px 48px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer p { color: var(--muted); font-size: 13px; margin: 0; max-width: 70ch; }
footer a { color: var(--ink-2); }

/* ---------- small screens ---------- */

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 36px; }
  .hero-art { aspect-ratio: 16 / 9; order: 2; }
  .section-head { grid-template-columns: 1fr; gap: 12px; }
  .cards { grid-template-columns: 1fr; }
  .cards article, .cards article + article { padding: 22px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .cta { grid-template-columns: 1fr; padding: 32px 26px; }
}
@media (max-width: 560px) {
  .top { padding: 16px; }
  main { padding: 0 16px 48px; }
  footer { padding: 24px 16px 40px; }
  .check { flex-direction: column; }
  .check button { padding: 14px; }
  .levels dl > div { grid-template-columns: 1fr; gap: 2px; }
  .result { padding: 22px; }
  .result::before { left: 22px; right: 22px; }
  .mark { letter-spacing: 0.24em; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-delay: 0ms !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .rise .w > span { transform: none; }
  html { scroll-behavior: auto; }
}