/* EvidenceHub landing page styles
 * Consumes CSS variables from evidencehub-palette.css (or any palette using the same contract).
 */

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--tlg-font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Corporate TLG topbar (outer non-sticky band above product topbar) ---- */
.corporate-topbar {
  background: #FFFFFF;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding: 8px 0;
}
html[data-theme="dark"] .corporate-topbar {
  background: #0A0A0A;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.corporate-topbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
}
.corporate-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}
.corporate-brand:hover { text-decoration: none; opacity: 0.85; }
.corporate-logo-slot { width: 28px; height: 28px; flex-shrink: 0; }
.corporate-logo-slot img { width: 100%; height: auto; display: block; }
html[data-theme="dark"] .corporate-logo-slot img { filter: invert(1); }
.corporate-brand-name {
  font-family: var(--tlg-font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text);
}
@media (max-width: 600px) {
  .corporate-topbar-inner { padding: 0 16px; }
  .corporate-brand-name { font-size: 13px; }
}

/* ---- Topbar ---- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(253, 248, 246, 0.85);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  padding: 18px 18px 10px;
}
html[data-theme="dark"] .topbar {
  background: rgba(26, 15, 31, 0.85);
}
.topbar-inner {
  max-width: 1080px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo-slot {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  flex-shrink: 0;
  color: var(--text);
}
.brand-name {
  font-family: var(--tlg-font-display);
  font-weight: 600; font-size: 16px;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--text);
}
.brand-sub {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.3;
  margin-top: 2px;
}
.topbar-right {
  display: flex; align-items: center; gap: 12px;
}

/* "Request access" CTA in topbar */
.btn-request {
  appearance: none;
  background: var(--primary);
  color: #FFFFFF;
  border: none;
  padding: 9px 18px;
  border-radius: 10px;
  font-weight: 600; font-size: 13px;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
}
.btn-request:hover {
  background: var(--accent);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(190, 24, 93, 0.25);
}
html[data-theme="dark"] .btn-request {
  color: #1A0F1F;
}

/* Theme menu */
.menu-wrap { position: relative; }
.menu-btn {
  appearance: none; background: transparent; border: 1px solid var(--border);
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center; gap: 4px;
  cursor: pointer; padding: 0;
}
.menu-btn span {
  display: block; width: 16px; height: 2px;
  background: var(--text); border-radius: 1px;
  margin: 1.5px 0;
}
.menu-drop {
  display: none;
  position: absolute; top: calc(100% + 6px); right: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  min-width: 220px; z-index: 50;
  padding: 6px 0;
  font-size: 13px;
}
.menu-drop.open { display: block; }
.menu-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  cursor: pointer; color: var(--text);
  font-weight: 600; white-space: nowrap;
}
.menu-item:hover { background: rgba(91, 33, 182, 0.06); }
html[data-theme="dark"] .menu-item:hover { background: rgba(167, 139, 250, 0.10); }
.menu-item svg { width: 16px; height: 16px; flex-shrink: 0; }
.menu-sep { height: 1px; background: var(--border); margin: 4px 0; }

/* ---- Hero ---- */
.hero {
  max-width: 920px; margin: 0 auto;
  padding: 80px 24px 60px;
  text-align: center;
}
.hero-eyebrow {
  display: inline-block;
  font-family: var(--tlg-font-mono);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--secondary);
  background: var(--secondary-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero h1 {
  font-family: var(--tlg-font-display);
  font-weight: 700; font-size: 34px;
  line-height: 1.15; letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--text);
}
@media (min-width: 720px) {
  .hero h1 { font-size: 48px; }
}
.hero-sub {
  font-size: 17px; line-height: 1.6;
  color: var(--muted);
  max-width: 640px; margin: 0 auto 36px;
}
.hero-cta-row {
  display: flex; gap: 12px; justify-content: center;
  flex-wrap: wrap;
}
.hero-cta {
  appearance: none; border: none;
  background: var(--primary); color: #FFFFFF;
  padding: 14px 30px; border-radius: 12px;
  cursor: pointer; font-weight: 700; font-size: 15px;
  text-decoration: none; display: inline-block;
  box-shadow: 0 6px 16px rgba(91, 33, 182, 0.25);
  transition: transform 0.15s, box-shadow 0.15s;
}
.hero-cta:hover {
  transform: translateY(-1px);
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(91, 33, 182, 0.35);
}
html[data-theme="dark"] .hero-cta { color: #1A0F1F; }
.hero-cta-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 13px 30px;
  box-shadow: none;
}
.hero-cta-secondary:hover {
  background: var(--primary-soft);
  box-shadow: none;
}
html[data-theme="dark"] .hero-cta-secondary {
  color: var(--primary);
}
html[data-theme="dark"] .hero-cta-secondary:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

/* ---- Section layout ---- */
.section {
  max-width: 1080px; margin: 0 auto;
  padding: 0 24px 72px;
}
.section-eyebrow {
  display: block;
  font-family: var(--tlg-font-mono);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 8px;
  text-align: center;
}
.section-title {
  font-family: var(--tlg-font-display);
  font-weight: 600; font-size: 28px;
  text-align: center;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.section-lede {
  text-align: center; max-width: 600px; margin: 0 auto 40px;
  color: var(--muted); font-size: 15px; line-height: 1.6;
}

/* ---- Three-feature row ---- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 860px) {
  .features { grid-template-columns: 1fr; }
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-soft);
  display: flex; flex-direction: column;
}
.feature-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  margin-bottom: 16px;
  background: var(--primary-soft);
  color: var(--primary);
}
.feature-icon.teal { background: var(--secondary-soft); color: var(--secondary); }
.feature-card h3 {
  font-family: var(--tlg-font-display);
  font-weight: 600; font-size: 17px;
  margin: 0 0 8px;
  color: var(--text);
}
.feature-card p {
  font-size: 14px; line-height: 1.6;
  color: var(--muted);
  margin: 0 0 16px;
}
.feature-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: auto;
}
.feature-tag {
  font-family: var(--tlg-font-mono);
  font-size: 11px; font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--secondary-soft);
  color: var(--secondary);
}

/* ---- Integration / Code blocks ---- */
.integration-tabs {
  display: flex; gap: 4px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.integration-tab {
  appearance: none;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 12px 20px;
  cursor: pointer;
  font-family: var(--tlg-font-display);
  font-weight: 600; font-size: 14px;
  color: var(--muted);
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}
.integration-tab:hover { color: var(--text); }
.integration-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.integration-panel { display: none; }
.integration-panel.active { display: block; }
.code-block {
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: var(--radius);
  padding: 22px 24px;
  font-family: var(--tlg-font-mono);
  font-size: 13px;
  line-height: 1.65;
  overflow-x: auto;
  white-space: pre;
  border: 1px solid var(--border);
  margin: 0;
}
.code-block .c-comment { color: #B8A6C0; }
.code-block .c-key { color: #A78BFA; }
.code-block .c-str { color: #14B8A6; }
.code-block .c-flag { color: #F472B6; }

/* ---- Trust strip ---- */
.trust {
  display: flex; flex-wrap: wrap;
  justify-content: center; gap: 12px;
  max-width: 760px; margin: 0 auto;
}
.trust-badge {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 13px; font-weight: 600;
  color: var(--muted);
  box-shadow: var(--shadow-soft);
}

/* ---- CTA banner ---- */
.cta-banner {
  max-width: 880px; margin: 0 auto 80px;
  padding: 0 24px;
}
.cta-card {
  background: linear-gradient(135deg, var(--primary-soft) 0%, var(--secondary-soft) 100%);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 8px);
  padding: 48px 40px;
  text-align: center;
}
.cta-card h2 {
  font-family: var(--tlg-font-display);
  font-weight: 600; font-size: 28px;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.cta-card p {
  font-size: 15px; line-height: 1.6;
  color: var(--muted);
  max-width: 540px; margin: 0 auto 28px;
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin-top: auto;
}
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--primary); }
.footer-links {
  display: flex; gap: 18px; justify-content: center;
  margin-top: 8px;
  font-size: 12px;
}

/* ---- Error codes list ---- */
.error-codes {
  list-style: none;
  margin: 24px auto 16px;
  padding: 0;
  max-width: 860px;
}
.error-codes li {
  padding: 12px 16px;
  border-left: 3px solid var(--border);
  background: var(--surface);
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  border-radius: 0 6px 6px 0;
}
.error-codes li strong {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--primary);
  font-weight: 600;
  margin-right: 4px;
}
.errors-docs-link {
  text-align: center;
  margin: 18px 0 0;
  font-size: 14px;
}
.errors-docs-link a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
.errors-docs-link a:hover { text-decoration: underline; }

/* ---- Sources "and more" line ---- */
.sources-more {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin: 14px 0 0;
  font-style: italic;
}

/* ---- FAQ accordion (native <details>/<summary>) ---- */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: box-shadow 0.15s;
}
.faq-item[open] {
  box-shadow: 0 6px 16px rgba(91, 33, 182, 0.12);
}
.faq-summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-family: var(--tlg-font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}
.faq-summary::-webkit-details-marker { display: none; }
.faq-summary::after {
  content: "+";
  font-family: var(--tlg-font-mono);
  font-size: 22px;
  font-weight: 400;
  color: var(--secondary);
  flex-shrink: 0;
  transition: transform 0.15s;
  line-height: 1;
}
.faq-item[open] .faq-summary::after {
  content: "\2212";  /* unicode minus */
}
.faq-summary:hover { color: var(--primary); }
.faq-body {
  padding: 0 22px 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}
.faq-body code {
  font-family: var(--tlg-font-mono);
  font-size: 12.5px;
  background: var(--secondary-soft);
  color: var(--secondary);
  padding: 1px 6px;
  border-radius: 4px;
  word-break: break-word;
}
.faq-body a {
  color: var(--primary);
  font-weight: 600;
}

/* ---- /hub/docs/ scaffolding ---- */
.docs-toc {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  max-width: 820px;
  margin: 0 auto;
}
.docs-toc a {
  padding: 8px 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.15s;
}
.docs-toc a:hover {
  color: var(--primary);
  border-color: var(--primary);
  text-decoration: none;
}
.docs-text {
  max-width: 820px;
  margin: 0 auto 14px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
}
.docs-text code {
  font-family: var(--tlg-font-mono);
  font-size: 13px;
  background: var(--secondary-soft);
  color: var(--secondary);
  padding: 1px 6px;
  border-radius: 4px;
}
.docs-callout {
  background: var(--primary-soft);
  border-left: 3px solid var(--primary);
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
}
.docs-list {
  max-width: 820px;
  margin: 14px auto;
  padding-left: 24px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}
.docs-list li { margin-bottom: 6px; }
.docs-list code {
  font-family: var(--tlg-font-mono);
  font-size: 12.5px;
  background: var(--secondary-soft);
  color: var(--secondary);
  padding: 1px 6px;
  border-radius: 4px;
}
.section h3 {
  font-family: var(--tlg-font-display);
  font-weight: 600;
  font-size: 20px;
  max-width: 820px;
  margin: 28px auto 12px;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* ---- Responsive niceties ---- */
@media (max-width: 600px) {
  .topbar-inner { padding: 10px 12px; }
  .brand-sub { display: none; }
  .hero { padding: 50px 20px 40px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .feature-card { padding: 22px 18px; }
  .cta-card { padding: 32px 24px; }
  .cta-card h2 { font-size: 22px; }
  .code-block { padding: 16px 18px; font-size: 12px; }
  .error-codes li { font-size: 13px; padding: 10px 12px; }
  .faq-summary { font-size: 14px; padding: 14px 16px; }
  .faq-body { padding: 0 16px 16px; font-size: 13px; }
  .docs-toc a { font-size: 12px; padding: 6px 12px; }
}

/* ---- Contact form ----
   Mirrors form styling from /website/styles.css. Uses palette tokens so the
   submit button picks up the EvidenceHub purple --primary automatically.
   Button text is white here (not dark teal as on /website/) for AA contrast
   against the purple primary. */
.contact-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow);
  max-width: 600px; margin: 0 auto;
}
.contact-card h2 { margin-top: 0; }
.contact-card .contact-lede {
  color: var(--muted); font-size: 15px; margin: 0 0 24px;
}
.field { margin-bottom: 16px; }
.field label {
  display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px;
}
.field input, .field textarea {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--bg); color: var(--text);
  font-size: 14px; font-family: inherit; outline: none;
  transition: border-color 0.15s;
}
.field input:focus, .field textarea:focus { border-color: var(--primary); }
.field textarea { resize: vertical; min-height: 90px; line-height: 1.5; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 500px) { .row { grid-template-columns: 1fr; } }
.submit-btn {
  width: 100%; padding: 12px; border: none; border-radius: 12px;
  background: var(--primary); color: #FFFFFF;
  font-family: var(--tlg-font-sans); font-weight: 700; font-size: 14px;
  cursor: pointer; transition: opacity 0.15s, transform 0.1s;
}
.submit-btn:hover { transform: translateY(-1px); opacity: 0.95; }
.submit-btn:disabled { background: var(--border); color: var(--muted); cursor: not-allowed; transform: none; }
.form-msg {
  margin-top: 14px; padding: 12px 16px; border-radius: 12px;
  font-size: 13px; line-height: 1.5; display: none;
}
.form-msg.ok {
  display: block; background: rgba(119,211,154,0.15); color: var(--success);
  border: 1px solid rgba(119,211,154,0.3);
}
.form-msg.err {
  display: block; background: rgba(255,125,134,0.1); color: var(--danger);
  border: 1px solid rgba(255,125,134,0.25);
}
.char-count { text-align: right; font-size: 12px; color: var(--muted); margin-top: 4px; }
.contact-fallback {
  text-align: center; margin-top: 16px; font-size: 13px; color: var(--muted);
}