/* attesta.cc — shared brand styles */
/* Brand palette + voice / behaviour mirrors the app (see Lifelog
   docs/PRODUCT_STRATEGY.md §4). Bump tokens here, the whole site follows. */

:root {
  /* Brand palette — constant across modes (identity, not surface) */
  --brand-blue:   #4F8CFF;
  --brand-purple: #A78BFA;
  --brand-pink:   #F472B6;
  --brand-gradient: linear-gradient(
    90deg,
    var(--brand-blue) 0%,
    var(--brand-purple) 50%,
    var(--brand-pink) 100%
  );
}

/* Dark mode — default. Matches the app's dark surface tone. */
:root {
  --bg:             #0A0B14;
  --surface:        #13141F;
  --surface-strong: #1B1C2A;
  --text:           #E8EAED;
  --text-secondary: #9CA0AE;
  --link:           #F8A8D0;
  --border:         rgba(255, 255, 255, 0.08);
}

/* Light mode — override only when the OS asks. */
@media (prefers-color-scheme: light) {
  :root {
    --bg:             #FFFFFF;
    --surface:        #F6F7FB;
    --surface-strong: #ECEEF5;
    --text:           #1A1B26;
    --text-secondary: #5A5C68;
    --link:           #7C3AED;
    --border:         rgba(0, 0, 0, 0.08);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter",
    system-ui, -webkit-system-font, "Helvetica Neue", Helvetica,
    Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 96px;
}

/* ── Site header ──────────────────────────────────────────────────────── */

.site-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0 40px;
  margin-bottom: 24px;
}

.site-header__logo {
  width: 28px;
  height: 28px;
  display: block;
}

.site-header__name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  border-bottom: none;
}

/* ── Page header (legal pages) ────────────────────────────────────────── */

.page-title {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 10px;
}

.page-meta {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0 0 48px;
  letter-spacing: 0.01em;
}

/* ── Typography ───────────────────────────────────────────────────────── */

h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 56px 0 16px;
  line-height: 1.3;
  scroll-margin-top: 24px;
}

h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 32px 0 10px;
  color: var(--text);
  letter-spacing: -0.005em;
}

p, ul, ol {
  margin: 0 0 20px;
}

ul, ol {
  padding-left: 24px;
}

li {
  margin-bottom: 8px;
}

li::marker {
  color: var(--text-secondary);
}

a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: opacity 0.15s ease;
}

a:hover {
  opacity: 0.75;
}

strong {
  color: var(--text);
  font-weight: 600;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

/* ── Tables (sub-processors, retention, pricing) ──────────────────────── */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}

th, td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  font-weight: 600;
  color: var(--text);
  background: var(--surface);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:last-child td {
  border-bottom: none;
}

/* ── Brand-gradient accents ───────────────────────────────────────────── */

.brand-gradient {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}

/* ── Landing tagline ──────────────────────────────────────────────────── */

.tagline {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 56px 0 24px;
}

.tagline span {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}

.lede {
  font-size: 18px;
  color: var(--text);
  margin: 0 0 16px;
  line-height: 1.55;
}

.platforms {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0 0 56px;
  letter-spacing: 0.01em;
}

/* ── Pillar cards (load-bearing statements) ───────────────────────────── */

.pillar-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 24px 0 64px;
}

@media (min-width: 720px) {
  .pillar-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
  }
}

.pillar {
  position: relative;
  padding: 24px;
  background: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
}

.pillar__label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 10px;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}

.pillar__body {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
}

/* ── Section divider with brand sweep ─────────────────────────────────── */

.brand-rule {
  border: none;
  height: 2px;
  background: var(--brand-gradient);
  border-radius: 2px;
  margin: 56px 0;
  opacity: 0.7;
}

/* ── Footer ───────────────────────────────────────────────────────────── */

.site-footer {
  margin-top: 96px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}

.site-footer a {
  color: var(--text-secondary);
  border-bottom-color: transparent;
}

.site-footer a:hover {
  color: var(--link);
  opacity: 1;
}

.site-footer__spacer {
  flex: 1;
}

.site-footer__copy {
  color: var(--text-secondary);
  font-size: 13px;
}

/* ── Mobile ───────────────────────────────────────────────────────────── */

@media (max-width: 540px) {
  .container {
    padding: 24px 18px 72px;
  }
  .page-title { font-size: 32px; }
  .tagline    { font-size: 38px; }
  .lede       { font-size: 17px; }
  h2          { font-size: 20px; margin-top: 48px; }
  table       { font-size: 14px; }
  th, td      { padding: 12px 12px; }
}

/* ── Reduced motion ───────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}