/* Content-rich sections and informational pages for SizeDex. */
:root {
  --content-ink:#171a22;
  --content-muted:#697184;
  --content-card:rgba(255,255,255,.88);
  --content-border:rgba(15,23,42,.10);
  --content-soft:#f4f6fb;
  --content-link:#5146d8;
}

html[data-theme="dark"] {
  --content-ink:#eef4ff;
  --content-muted:#9aa9bd;
  --content-card:rgba(10,20,35,.90);
  --content-border:rgba(148,163,184,.16);
  --content-soft:#101d30;
  --content-link:#9d95ff;
}

.publisher-content {
  width:min(1240px,calc(100% - 32px));
  margin:12px auto 0;
  padding:0 0 28px;
  color:var(--content-ink);
}
.publisher-content a,
.info-page a { color:var(--content-link); }
.content-intro,
.content-card,
.faq-panel,
.info-card {
  border:1px solid var(--content-border);
  background:var(--content-card);
  box-shadow:0 16px 50px rgba(28,33,55,.055);
  backdrop-filter:blur(10px);
}
.content-intro {
  border-radius:24px;
  padding:28px 30px;
}
.content-kicker {
  margin:0 0 7px;
  color:#6d5dfc;
  font-size:11px;
  font-weight:850;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.content-intro h2,
.info-page h1,
.info-page h2 {
  margin:0;
  color:var(--content-ink);
  letter-spacing:-.035em;
}
.content-intro h2 { font-size:clamp(26px,3.5vw,38px); }
.content-intro p,
.content-card p,
.info-page p,
.info-page li,
.faq-panel p {
  color:var(--content-muted);
  line-height:1.72;
}
.content-intro p { max-width:920px; margin:12px 0 0; }
.content-links { display:flex; flex-wrap:wrap; gap:9px; margin-top:17px; }
.content-link {
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 13px;
  border:1px solid var(--content-border);
  border-radius:999px;
  background:var(--content-soft);
  color:var(--content-ink) !important;
  font-size:12px;
  font-weight:800;
  text-decoration:none;
}
.content-grid {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  margin-top:14px;
}
.content-card { border-radius:20px; padding:22px 24px; }
.content-card h3 { margin:0 0 8px; font-size:19px; letter-spacing:-.02em; }
.content-card p { margin:0; font-size:14px; }
.content-card p + p { margin-top:10px; }
.faq-panel { margin-top:14px; border-radius:20px; padding:22px 24px; }
.faq-panel h3 { margin:0 0 12px; font-size:21px; }
.faq-list { display:grid; gap:8px; }
.faq-list details {
  border:1px solid var(--content-border);
  border-radius:14px;
  background:var(--content-soft);
  padding:0 14px;
}
.faq-list summary {
  cursor:pointer;
  padding:14px 2px;
  color:var(--content-ink);
  font-weight:820;
}
.faq-list details[open] summary { padding-bottom:6px; }
.faq-list p { margin:0; padding:0 2px 14px; font-size:13px; }

/* Shared footer */
.site-footer {
  padding:20px 16px 30px;
  text-align:center;
  color:#7f8796;
  font:12px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
.site-footer nav { display:flex; justify-content:center; flex-wrap:wrap; gap:8px 14px; margin-bottom:8px; }
.site-footer a { color:inherit; font-weight:750; text-decoration:none; }
.site-footer a:hover { text-decoration:underline; }
.site-footer p { max-width:900px; margin:0 auto; }
html[data-theme="dark"] .site-footer { color:#8696ab; }

/* Informational pages */
.info-page {
  margin:0;
  min-width:320px;
  min-height:100vh;
  color:var(--content-ink);
  background:
    radial-gradient(circle at 8% 0%, rgba(109,93,252,.10), transparent 30rem),
    radial-gradient(circle at 92% 10%, rgba(8,168,198,.09), transparent 28rem),
    linear-gradient(180deg,#fbfcff 0%,#f5f6fa 55%,#f8f7f3 100%);
}
html[data-theme="dark"] .info-page {
  background:
    radial-gradient(circle at 8% 0%, rgba(82,95,255,.18), transparent 30rem),
    radial-gradient(circle at 92% 10%, rgba(0,199,230,.11), transparent 28rem),
    linear-gradient(180deg,#08111f 0%,#0b1524 55%,#0a1320 100%);
}
.info-shell { width:min(920px,calc(100% - 28px)); margin:0 auto; padding:22px 0 40px; }
.info-topbar { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:18px; }
.info-topbar .brand-lockup { gap:0 !important; }
.info-topbar .brand-logo {
  display:block;
  width:clamp(170px,22vw,225px);
  height:auto;
  background:transparent !important;
  padding:0 !important;
  border-radius:0 !important;
  box-shadow:none !important;
  mix-blend-mode:normal !important;
}
.info-topbar .brand-subtitle { display:none !important; }
.info-nav { display:flex; align-items:center; gap:7px; flex-wrap:wrap; justify-content:flex-end; }
.info-nav > a {
  display:inline-flex;
  min-height:38px;
  align-items:center;
  padding:0 11px;
  border:1px solid var(--content-border);
  border-radius:999px;
  background:var(--content-card);
  color:var(--content-ink);
  text-decoration:none;
  font-size:12px;
  font-weight:800;
}
.info-nav .icon-btn { flex:0 0 auto; }
.info-hero,
.info-card { border-radius:24px; }
.info-hero { padding:34px 34px 28px; margin-bottom:14px; }
.info-hero .content-kicker { margin-bottom:8px; }
.info-hero h1 { font-size:clamp(34px,6vw,56px); line-height:1; }
.info-hero p { margin:15px 0 0; font-size:16px; }
.info-card { padding:26px 30px; margin-top:14px; }
.info-card h2 { font-size:25px; margin-bottom:10px; }
.info-card h3 { margin:22px 0 7px; color:var(--content-ink); }
.info-card p { margin:9px 0; }
.info-card ul { padding-left:22px; }
.info-card li + li { margin-top:7px; }
.formula-box {
  margin:16px 0;
  padding:16px 18px;
  border:1px solid var(--content-border);
  border-radius:15px;
  background:var(--content-soft);
  color:var(--content-ink);
  font-weight:800;
  text-align:center;
}
.callout {
  margin:16px 0;
  padding:15px 17px;
  border-left:4px solid #6d5dfc;
  border-radius:0 13px 13px 0;
  background:var(--content-soft);
  color:var(--content-muted);
  line-height:1.65;
}

@media (hover:hover) and (pointer:fine) {
  .content-link:hover,
  .info-nav > a:hover { border-color:rgba(109,93,252,.35); transform:translateY(-1px); }
}

@media (max-width:700px) {
  .publisher-content { width:calc(100% - 12px); }
  .content-intro { padding:22px 18px; border-radius:20px; }
  .content-grid { grid-template-columns:1fr; gap:10px; }
  .content-card,.faq-panel { padding:19px 17px; border-radius:18px; }
  .info-shell { width:calc(100% - 14px); padding-top:10px; }
  .info-topbar { align-items:flex-start; flex-direction:column; }
  .info-nav { width:100%; justify-content:flex-start; }
  .info-hero { padding:25px 20px 22px; }
  .info-card { padding:22px 19px; border-radius:20px; }
}