/* Attic — mirrors AtticTheme.swift */
:root {
  --canvas: #ecedf0;
  --canvas-deep: #dfe1e5;
  --spotlight: #f5f3ef;
  --ink: #161514;
  --ink-soft: rgba(22, 21, 20, 0.62);
  --ink-faint: rgba(22, 21, 20, 0.4);
  --line: rgba(22, 21, 20, 0.1);
  --line-strong: rgba(22, 21, 20, 0.18);
  --surface: rgba(255, 255, 255, 0.72);
  --brass: #8b6b41;
  --brass-soft: rgba(139, 107, 65, 0.14);
  --buy: #2e6b52;
  --pass: #853838;
  --research: #7a612e;
  --radius: 4px;
  --serif: ui-serif, "New York", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
  position: relative;
  min-height: 100vh;
}

/* North-window light + grain, from AtticCanvas */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1100px 780px at 0% -5%, rgba(245, 243, 239, 0.85), rgba(236, 237, 240, 0) 62%),
    linear-gradient(180deg, rgba(223, 225, 229, 0) 35%, rgba(223, 225, 229, 0.6) 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

body > * { position: relative; z-index: 1; }

.wrap { max-width: 62rem; margin: 0 auto; padding: 0 1.5rem; }
.wrap-narrow { max-width: 44rem; margin: 0 auto; padding: 0 1.5rem; }

/* Type */
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.015em; line-height: 1.15; }

.label {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

a { color: var(--brass); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--ink); }

/* Nav */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand .mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}

.nav-links { display: flex; gap: 1.75rem; align-items: center; }

.nav-links a {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
}

.nav-links a:hover { color: var(--ink); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1rem 1.6rem;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  transition: opacity 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}

.btn:active { transform: scale(0.985); }
.btn-primary { background: var(--ink); color: var(--canvas); }
.btn-primary:hover { opacity: 0.88; color: var(--canvas); }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }

/* Sections */
section { padding: 4.5rem 0; }
.section-head { max-width: 34rem; margin-bottom: 2.75rem; }
.section-head .label { display: block; margin-bottom: 0.9rem; }
.section-title { font-size: clamp(1.7rem, 3.6vw, 2.3rem); margin-bottom: 0.75rem; }
.section-sub { color: var(--ink-soft); }

.rule { height: 1px; background: var(--line); border: 0; }

/* Cards */
.grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.card { background: var(--surface); padding: 1.9rem 1.6rem; }
.card .icon { color: var(--brass); margin-bottom: 1.1rem; display: block; }
.card h3 { font-size: 1.15rem; margin-bottom: 0.45rem; }
.card p { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.6; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 2.5rem 0 3.5rem; margin-top: 2rem; color: var(--ink-faint); font-size: 0.85rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; justify-content: space-between; }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
footer a { color: var(--ink-soft); text-decoration: none; }
footer a:hover { color: var(--ink); }

/* Document pages (privacy, terms, support) */
.doc { padding: 3.5rem 0 1rem; }
.doc h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); margin-bottom: 0.6rem; }
.doc .updated { color: var(--ink-faint); font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; margin-bottom: 2.5rem; }
.doc h2 { font-size: 1.3rem; margin: 2.75rem 0 0.75rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.doc h3 { font-size: 1.02rem; font-family: var(--sans); font-weight: 700; margin: 1.75rem 0 0.4rem; letter-spacing: 0; }
.doc p { margin-bottom: 1rem; color: var(--ink-soft); }
.doc p strong, .doc li strong { color: var(--ink); font-weight: 600; }
.doc ul, .doc ol { margin: 0 0 1.25rem 1.15rem; color: var(--ink-soft); }
.doc li { margin-bottom: 0.5rem; padding-left: 0.25rem; }
.doc .lede { font-size: 1.08rem; color: var(--ink); }

.callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 2px solid var(--brass);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  margin: 0 0 2rem;
}
.callout p:last-child { margin-bottom: 0; }

table { width: 100%; border-collapse: collapse; margin: 0 0 1.75rem; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.7rem 0.9rem; border: 1px solid var(--line); vertical-align: top; }
th { background: var(--surface); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); font-weight: 600; }
td { color: var(--ink-soft); }

@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding: 3.25rem 0; }
  .nav-links { gap: 1.1rem; }
  .nav-links a { font-size: 0.7rem; letter-spacing: 0.06em; }
  .brand span.wordmark { display: none; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  td { border-top: 0; }
  tr { display: block; margin-bottom: 1rem; border-top: 1px solid var(--line); }
}