/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  padding-top: var(--header-height);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 var(--space-4);
  color: var(--color-text);
}
h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); font-weight: 200; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; font-weight: 400; }
p { margin: 0 0 var(--space-4); color: var(--color-text-muted); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-6); }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--color-accent); color: #fff; padding: var(--space-2) var(--space-4);
  z-index: 1000;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: 0.7rem 1.4rem; border-radius: var(--radius-pill);
  font-size: 0.95rem; font-weight: 600; white-space: nowrap;
  border: 1px solid transparent; transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.btn--primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #fff;
}
.btn--primary:hover { transform: translateY(-1px); }
.btn--ghost { color: var(--color-text); border-color: var(--color-border); background: rgba(255,255,255,0.03); }
.btn--ghost:hover { border-color: rgba(255,255,255,0.25); }
.btn--secondary { color: var(--color-text); border-color: var(--color-border); background: transparent; }
.btn--secondary:hover { border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.04); }
.btn--block { width: 100%; }

/* ── Header ───────────────────────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--header-height);
  background: rgba(10,14,26,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  height: 100%; display: flex; align-items: center; gap: var(--space-6);
}
.site-logo { display: flex; align-items: baseline; gap: 2px; font-family: var(--font-heading); font-weight: 300; font-size: 1.2rem; flex-shrink: 0; }
.site-logo__accent { color: var(--color-accent-2); }
.site-logo__tld { color: var(--color-text-faint); font-size: 1rem; }

.site-nav { display: flex; align-items: center; gap: var(--space-6); flex: 1; }
.site-nav__list { display: flex; align-items: center; gap: var(--space-2); }
.site-nav__item { position: relative; }
.site-nav__link {
  display: flex; align-items: center; gap: 6px;
  padding: var(--space-2) var(--space-3);
  font-size: 0.95rem; color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.site-nav__link:hover, .site-nav__link.is-active { color: var(--color-text); }
.site-nav__chevron { transition: transform var(--transition-fast), opacity var(--transition-fast); opacity: 0.5; }
.site-nav__item--has-dropdown:hover .site-nav__chevron,
.site-nav__item--has-dropdown:focus-within .site-nav__chevron { opacity: 0.9; }

/* Dropdown: hover AND focus-within so keyboard users and slow mouse movement
   never lose the panel before they can click into it. The panel sits flush
   against the trigger (top: 100%, no margin) -- a margin gap here is an
   unhoverable dead zone the cursor crosses on its way down, which silently
   closes the menu before a click lands. Any visual breathing room comes from
   padding *inside* the panel, never from space outside it. */
.site-nav__dropdown {
  display: none;
  position: absolute; top: 100%; left: 0;
  min-width: 240px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) 0;
  box-shadow: 0 16px 40px rgba(0,0,0,0.45);
  z-index: 50;
  flex-direction: column;
}
.site-nav__item--has-dropdown:hover .site-nav__dropdown,
.site-nav__item--has-dropdown:focus-within .site-nav__dropdown {
  display: flex;
}
.site-nav__item--has-dropdown:hover .site-nav__chevron {
  transform: rotate(180deg);
}
.site-nav__dropdown-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.site-nav__dropdown-link:hover { color: var(--color-text); background: rgba(255,255,255,0.04); }

.site-nav__utility { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; }

.site-nav-toggle {
  display: none;
  flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  width: 48px; height: 48px; padding: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-faint);
  flex-shrink: 0;
  margin-left: auto;
}
.site-nav-toggle:hover { color: var(--color-text); border-color: rgba(255,255,255,0.3); }
.site-nav-toggle__label { font-size: 8px; font-weight: 700; letter-spacing: 0.08em; line-height: 1; color: inherit; }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero { padding: var(--space-16) 0 var(--space-12); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-12); align-items: center; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--color-accent-2); margin-bottom: var(--space-4);
}
.hero__subheadline { font-size: 1.15rem; max-width: 540px; }
.hero__ctas { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-6); }
.hero__trust-bullets { display: flex; gap: var(--space-6); flex-wrap: wrap; padding: 0; }
.hero__trust-bullets li { font-size: 0.85rem; color: var(--color-text-faint); display: flex; align-items: center; gap: 6px; }
.hero__trust-bullets li::before { content: "✓"; color: var(--color-success); opacity: 0.8; font-size: 0.8em; }

.hero-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}
.hero-panel__header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-4); }
.hero-panel__title { font-weight: 600; font-size: 0.95rem; }
.hero-panel__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-success); display: inline-block; margin-right: 6px; }
.hero-panel__rows { background: var(--color-bg-elevated); border-radius: var(--radius-md); padding: var(--space-4); margin-bottom: var(--space-4); }
.hero-panel__row { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--color-border); font-size: 0.85rem; }
.hero-panel__row:last-child { border-bottom: none; }
.hero-panel__row-type { color: var(--color-text-faint); font-family: monospace; }
.hero-panel__stat { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-4); }
.hero-panel__stat-bar { flex: 1; height: 6px; border-radius: var(--radius-pill); background: var(--color-bg-elevated); margin: 0 var(--space-3); overflow: hidden; }
.hero-panel__stat-bar span { display: block; height: 100%; width: 98%; background: linear-gradient(90deg, var(--color-accent), var(--color-success)); }
.hero-panel__actions { display: flex; gap: var(--space-3); }

/* ── Trust strip ──────────────────────────────────────────────────────────── */
.trust-strip { padding: var(--space-12) 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.trust-strip__headline { text-align: center; font-size: 0.9rem; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--space-8); }
.trust-strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.trust-strip__item { text-align: center; }
.trust-strip__item-value { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 300; color: var(--color-text); margin-bottom: 4px; }
.trust-strip__item-label { font-size: 0.8rem; color: var(--color-text-faint); }

/* ── How it works ─────────────────────────────────────────────────────────── */
.how-it-works { padding: var(--space-16) 0; text-align: center; }
.how-it-works h2 { margin-bottom: var(--space-12); }
.how-it-works__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.how-it-works__step { text-align: left; }
.how-it-works__step-number {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--color-accent-soft); color: var(--color-accent-2);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; margin-bottom: var(--space-4);
}

/* ── Card grids (templates / datasets / directory) ───────────────────────── */
.section { padding: var(--space-16) 0; }
.section__header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: var(--space-8); gap: var(--space-4); flex-wrap: wrap; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-4);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.card:hover { border-color: rgba(255,255,255,0.2); transform: translateY(-2px); }
.card__tag {
  display: inline-flex; align-self: flex-start;
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 3px 10px; border-radius: var(--radius-pill);
  background: var(--color-accent-soft); color: var(--color-accent-2);
}
.card__title { font-size: 1.05rem; font-weight: 600; font-family: var(--font-body); letter-spacing: 0; margin: 0; }
.card__description { font-size: 0.9rem; flex: 1; margin: 0; }
.card__footer { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-3); border-top: 1px solid var(--color-border); }
.card__price { font-weight: 700; color: var(--color-text); }
.card__link { color: var(--color-accent-2); font-size: 0.9rem; font-weight: 600; }

/* ── CTA banner ───────────────────────────────────────────────────────────── */
.cta-banner {
  margin: var(--space-16) 0;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  text-align: center;
}
.cta-banner h2, .cta-banner p { color: #fff; }
.cta-banner__features { display: flex; justify-content: center; gap: var(--space-8); flex-wrap: wrap; margin: var(--space-8) 0; padding: 0; }
.cta-banner__features li { color: rgba(255,255,255,0.9); font-size: 0.9rem; display: flex; align-items: center; gap: 6px; }
.cta-banner__features li::before { content: "✓"; opacity: 0.75; font-size: 0.85em; }
.cta-banner .btn--primary { background: #fff; color: var(--color-accent); }

/* ── Generic page blocks ──────────────────────────────────────────────────── */
.page-content { padding: var(--space-12) 0 var(--space-16); }
.page-content--narrow { max-width: 760px; }
.block-list { margin: 0 0 var(--space-6); padding-left: 1.4rem; list-style: disc; color: var(--color-text-muted); }
.block-list li { margin-bottom: var(--space-2); }
.block-cta { margin: var(--space-6) 0; }
.block-divider { border: none; border-top: 1px solid var(--color-border); margin: var(--space-8) 0; }

/* Pricing tiers */
.pricing-tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); margin: var(--space-8) 0; }
.pricing-tier {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-8); display: flex; flex-direction: column; gap: var(--space-3);
}
.pricing-tier--highlighted { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent); }
.pricing-tier__price { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 300; }
.pricing-tier__period { font-size: 0.85rem; color: var(--color-text-faint); }
.pricing-tier__features { padding-left: 1.1rem; list-style: disc; font-size: 0.85rem; flex: 1; }

/* Audience grid (Solutions page) */
.audience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); margin: var(--space-8) 0; }
.audience-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-8); }

/* Lead form */
.lead-form { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-8); margin: var(--space-6) 0; max-width: 520px; }
.lead-form__field { margin-bottom: var(--space-4); }
.lead-form__field label { display: block; font-size: 0.85rem; color: var(--color-text-faint); margin-bottom: 6px; }
.lead-form__field input, .lead-form__field textarea {
  width: 100%; padding: 0.65rem 0.9rem; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: var(--color-bg-elevated); color: var(--color-text);
  font-family: inherit; font-size: 0.95rem;
}
.lead-form__field textarea { min-height: 100px; resize: vertical; }
.lead-form__note { font-size: 0.8rem; color: var(--color-text-faint); margin-top: var(--space-3); }
.lead-form__success { color: var(--color-success); font-weight: 600; }
.honeypot-field { position: absolute; left: -9999px; opacity: 0; }

/* ── Directory / Glossary / FAQ / Library ────────────────────────────────── */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.category-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-8); }
.breadcrumbs { font-size: 0.85rem; color: var(--color-text-faint); padding: var(--space-6) 0 0; }
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-text); }

.glossary-jump { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: var(--space-8); }
.glossary-jump a {
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-size: 0.85rem; color: var(--color-text-muted);
}
.glossary-jump a:hover { color: var(--color-text); border-color: rgba(255,255,255,0.3); }
.glossary-letter { font-family: var(--font-heading); color: var(--color-accent-2); font-size: 1.5rem; margin: var(--space-8) 0 var(--space-3); }
.glossary-term-row { padding: var(--space-3) 0; border-bottom: 1px solid var(--color-border); }
.glossary-term-row a { font-weight: 600; }
.glossary-term-row p { margin: 4px 0 0; font-size: 0.9rem; }

.term-callout { background: var(--color-accent-soft); border-radius: var(--radius-md); padding: var(--space-4) var(--space-6); margin-bottom: var(--space-8); color: var(--color-text); }
.related-terms { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.related-terms a { padding: 6px 14px; border-radius: var(--radius-pill); border: 1px solid var(--color-border); font-size: 0.85rem; }
.related-terms a:hover { border-color: rgba(255,255,255,0.3); }

.faq-category { margin-bottom: var(--space-8); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary { padding: var(--space-4) 0; cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--color-accent-2); font-size: 1.2rem; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding-bottom: var(--space-4); }

.library-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); margin-top: var(--space-8); }
.library-tile { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-8); }
.library-tile h3 { margin-bottom: var(--space-2); }

.article-meta { color: var(--color-text-faint); font-size: 0.85rem; margin-bottom: var(--space-6); }
.article-body { max-width: 720px; }
.article-body p { color: var(--color-text); font-size: 1.05rem; }

.dir-listing-fields { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); margin: var(--space-6) 0; }
.dir-listing-field { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: var(--space-3); }
.dir-listing-field dt { font-size: 0.75rem; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.04em; }
.dir-listing-field dd { margin: 4px 0 0; }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--color-border); padding: var(--space-16) 0 var(--space-8); margin-top: var(--space-12); }
.site-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: var(--space-8); margin-bottom: var(--space-12); }
.site-footer__tagline { font-size: 0.9rem; max-width: 280px; }
.site-footer__contact a:hover { color: var(--color-text); }
.site-footer__col-heading { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-faint); margin-bottom: var(--space-3); }
.site-footer__links { display: flex; flex-direction: column; gap: var(--space-2); }
.site-footer__links a { font-size: 0.9rem; color: var(--color-text-muted); }
.site-footer__links a:hover { color: var(--color-text); }
.site-footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); padding-top: var(--space-6); border-top: 1px solid var(--color-border); font-size: 0.8rem; color: var(--color-text-faint); }
.site-footer__ai-links a { color: var(--color-text-faint); text-decoration: underline; }
.site-footer__ai-links a:hover { color: var(--color-text); }

/* ── 404 ──────────────────────────────────────────────────────────────────── */
.error-page { text-align: center; padding: var(--space-16) 0; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-strip__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-tiers { grid-template-columns: repeat(2, 1fr); }
  .how-it-works__grid { grid-template-columns: 1fr; gap: var(--space-6); }
}

@media (max-width: 768px) {
  .site-nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0; bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    overflow-y: auto;
    padding: var(--space-6);
    gap: var(--space-6);
    z-index: 150;
  }
  .site-nav.is-open { display: flex; }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav__item { border-bottom: 1px solid var(--color-border); }
  .site-nav__link { padding: var(--space-4) 0; font-size: 1.05rem; justify-content: space-between; }
  .site-nav__dropdown {
    display: block !important;
    position: static;
    border: none; box-shadow: none; margin: 0 0 var(--space-3);
    padding: 0 0 0 var(--space-4);
    background: transparent;
  }
  .site-nav__dropdown-link { padding: var(--space-2) 0; font-size: 0.95rem; }
  .site-nav__utility { flex-direction: column; align-items: stretch; margin-left: 0; padding-top: var(--space-4); }
  .site-nav__utility .btn { width: 100%; }

  .card-grid { grid-template-columns: 1fr; }
  .trust-strip__grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-8) var(--space-4); }
  .pricing-tiers { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .library-grid { grid-template-columns: 1fr; }
  .dir-listing-fields { grid-template-columns: 1fr; }

  /* Mobile footer: single column, ~2x text size per site UI rules. */
  .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .site-footer__tagline, .site-footer__contact, .site-footer__links a, .site-footer__bottom {
    font-size: 1.7em;
  }
  .site-footer__col-heading { font-size: 1.4em; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
}