/* Annseraf — site styles. No framework, no build step. */

:root {
  --bg: #fafaf8;
  --surface: #ffffff;
  --ink: #17181c;
  --ink-soft: #4b4e57;
  --ink-faint: #74777f;
  --line: #e4e4df;
  --line-strong: #cfcfc8;
  --accent: #2743d0;
  --accent-ink: #1e34a8;
  --accent-soft: #eef0fc;
  --radius: 8px;
  --max: 68rem;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101114;
    --surface: #17181d;
    --ink: #ebecee;
    --ink-soft: #b0b3bb;
    --ink-faint: #83868f;
    --line: #26272d;
    --line-strong: #35363d;
    --accent: #8494f2;
    --accent-ink: #a3b0f6;
    --accent-soft: #1b1e30;
  }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 650;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.85rem); margin-top: 2.5em; }
h3 { font-size: 1.15rem; margin-top: 1.8em; }

p { margin: 0 0 1.1em; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand svg { display: block; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}
.site-nav a {
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--ink); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 650; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--ink);
  padding: 0.4rem 0.65rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 1.5rem 1rem;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 0.65rem 0; border-bottom: 1px solid var(--line); }
  .site-nav a:last-child { border-bottom: none; }
}

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

.hero {
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}
.hero .kicker {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 1.2rem;
}
.hero h1 { max-width: 24ch; }
.hero .lede {
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: 56ch;
}

.section { padding: clamp(2rem, 5vw, 3.5rem) 0; }
.section + .section { border-top: 1px solid var(--line); }
.section > .wrap > h2:first-child { margin-top: 0; }

.lede { font-size: 1.15rem; color: var(--ink-soft); }

/* ---------- Cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.15s ease;
}
.card:hover { border-color: var(--line-strong); }
.card h3 { margin-top: 0; }
.card p { color: var(--ink-soft); font-size: 0.98rem; }
.card .card-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  margin-bottom: 0.9rem;
}
.card .card-link { font-weight: 600; font-size: 0.95rem; }
.card .card-link::after { content: " \2192"; }

/* ---------- Pricing ---------- */

.pricing-note {
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: var(--radius);
  padding: 0.85rem 1.15rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 1.25rem 0;
}

.tier-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.95rem;
}
.tier-table caption {
  text-align: left;
  font-size: 0.85rem;
  color: var(--ink-faint);
  padding-bottom: 0.5rem;
}
.tier-table th, .tier-table td {
  text-align: left;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  vertical-align: top;
}
.tier-table th {
  background: var(--surface);
  font-weight: 650;
  font-size: 0.88rem;
}
.table-scroll { overflow-x: auto; }

/* ---------- Prose / legal ---------- */

.prose { max-width: 46rem; }
.prose h2 { font-size: 1.35rem; margin-top: 2.2em; }
.prose h3 { font-size: 1.05rem; }
.prose ul, .prose ol { padding-left: 1.4rem; margin: 0 0 1.1em; }
.prose li { margin-bottom: 0.4em; }
.updated {
  font-size: 0.88rem;
  color: var(--ink-faint);
  margin-bottom: 2rem;
}

.contact-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin: 1.5rem 0;
  max-width: 32rem;
}
.contact-block dt {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  margin-top: 1rem;
}
.contact-block dt:first-child { margin-top: 0; }
.contact-block dd { margin: 0.15rem 0 0; font-size: 1rem; }

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

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: clamp(3rem, 7vw, 5rem);
  padding: 2.5rem 0 3rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.site-footer h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  margin: 0 0 0.8rem;
  font-weight: 600;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.45rem; }
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--ink); }
.footer-legal {
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  justify-content: space-between;
}

/* ---------- Misc ---------- */

.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.3rem;
  border-radius: 6px;
  transition: background 0.15s ease;
}
.button:hover { background: var(--accent-ink); text-decoration: none; }
@media (prefers-color-scheme: dark) {
  .button { color: #0e0f14; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}