/* ===========================================================
   Celestial Guide — shared site styles
   Dark navy & ivory celestial theme, matching sign-logo art.
   =========================================================== */

:root {
  --bg-deep: #060a1e;
  --bg: #0b1130;
  --bg-elevated: #121a45;
  --bg-card: #151d4d;
  --bg-card-hover: #1b2660;

  --border: rgba(244, 241, 234, 0.14);
  --border-strong: rgba(244, 241, 234, 0.32);

  --text: #f4f1ea;
  --text-muted: #cdd3f2;
  --text-faint: #9aa3cf;

  --accent: #f4f1ea;
  --accent-line: #cfd6f7;
  --accent-gold: #d9c88f;

  --fire: #e2795f;
  --earth: #93b483;
  --air: #bcd9ee;
  --water: #7fb3c9;

  --radius: 14px;
  --radius-sm: 8px;
  --container: 1120px;

  --font-display: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  background: radial-gradient(ellipse at top, #101a4a 0%, var(--bg) 45%, var(--bg-deep) 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Subtle constellation backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  background-image:
    radial-gradient(1.5px 1.5px at 8% 12%, #ffffff 100%, transparent 100%),
    radial-gradient(1.5px 1.5px at 22% 38%, #ffffff 100%, transparent 100%),
    radial-gradient(1px 1px at 35% 8%, #ffffff 100%, transparent 100%),
    radial-gradient(1px 1px at 48% 28%, #ffffff 100%, transparent 100%),
    radial-gradient(1.5px 1.5px at 63% 15%, #ffffff 100%, transparent 100%),
    radial-gradient(1px 1px at 75% 42%, #ffffff 100%, transparent 100%),
    radial-gradient(1.5px 1.5px at 88% 20%, #ffffff 100%, transparent 100%),
    radial-gradient(1px 1px at 95% 55%, #ffffff 100%, transparent 100%),
    radial-gradient(1.5px 1.5px at 14% 70%, #ffffff 100%, transparent 100%),
    radial-gradient(1px 1px at 30% 88%, #ffffff 100%, transparent 100%),
    radial-gradient(1.5px 1.5px at 55% 78%, #ffffff 100%, transparent 100%),
    radial-gradient(1px 1px at 70% 92%, #ffffff 100%, transparent 100%),
    radial-gradient(1.5px 1.5px at 90% 80%, #ffffff 100%, transparent 100%);
  background-repeat: no-repeat;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 0 0 0.5em;
  color: var(--text);
}

h1 { font-size: 3rem; line-height: 1.1; }
h2 { font-size: 2.1rem; line-height: 1.2; }
h3 { font-size: 1.5rem; }

p { margin: 0 0 1em; color: var(--text-muted); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

img { max-width: 100%; display: block; }

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

header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 10, 30, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--container);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text);
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo:hover { text-decoration: none; color: var(--text); }
.logo .glyph { color: var(--accent-gold); }

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav.main-nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
nav.main-nav a:hover, nav.main-nav a.active { color: var(--text); text-decoration: none; }

.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0;
}
.nav-dropdown-toggle:hover { color: var(--text); }
.nav-dropdown-toggle .caret { font-size: 0.6rem; transition: transform 0.2s ease; }
.nav-dropdown.open .caret { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%);
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px;
  width: 360px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.45);
}
.nav-dropdown.open .nav-dropdown-menu { display: grid; }

.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--text-muted);
  white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: var(--bg-card-hover); color: var(--text); text-decoration: none; }
.nav-dropdown-menu img { width: 18px; height: 18px; border-radius: 50%; opacity: 0.9; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--text);
  font-size: 1.3rem;
  padding: 4px 10px;
  cursor: pointer;
}

/* ---------- Buttons / pills ---------- */

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.btn:hover { background: var(--bg-card-hover); text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
  border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-gold); border-color: var(--accent-gold); color: var(--bg-deep); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
}
.pill.fire { border-color: rgba(226,121,95,0.5); color: var(--fire); }
.pill.earth { border-color: rgba(147,180,131,0.5); color: var(--earth); }
.pill.air { border-color: rgba(188,217,238,0.5); color: var(--air); }
.pill.water { border-color: rgba(127,179,201,0.5); color: var(--water); }

/* ---------- Hero (sign pages) ---------- */

.sign-hero {
  padding-top: 56px;
  padding-bottom: 40px;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 56px;
  align-items: center;
}
.sign-hero > * { min-width: 0; }

.sign-hero-image {
  position: relative;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: 0 0 0 10px rgba(244,241,234,0.03), 0 30px 60px rgba(0,0,0,0.5);
}

.sign-hero-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; min-width: 0; }

.sign-dates {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--accent-gold);
  margin-bottom: 6px;
}

.sign-tagline {
  font-size: 1.15rem;
  color: var(--text-muted);
  font-style: italic;
  max-width: 60ch;
}

.disclaimer {
  font-size: 0.85rem;
  color: var(--text-faint);
  border-left: 2px solid var(--border-strong);
  padding-left: 14px;
  margin: 22px 0;
  max-width: 65ch;
}

/* ---------- Quick facts strip ---------- */

.quick-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 32px 0 48px;
}
.quick-fact {
  background: var(--bg-card);
  padding: 20px 18px;
  text-align: center;
}
.quick-fact .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: 6px;
}
.quick-fact .value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text);
}

/* ---------- Content sections ---------- */

.section {
  padding-top: 36px;
  padding-bottom: 36px;
  border-top: 1px solid var(--border);
}
.section:first-of-type { border-top: none; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.trait-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 26px;
}
.trait-card h3 { margin-bottom: 12px; font-size: 1.3rem; }
.trait-card ul { margin: 0; padding-left: 1.2em; color: var(--text-muted); }
.trait-card li { margin-bottom: 8px; }

.trait-card.strengths h3 { color: var(--earth); }
.trait-card.challenges h3 { color: var(--fire); }

.compat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.compat-chip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.compat-chip img { width: 20px; height: 20px; border-radius: 50%; }
a.compat-chip:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  color: var(--text);
  text-decoration: none;
}

/* ---------- Compatibility index page ---------- */

.compat-index-intro {
  max-width: 72ch;
  margin: 0 auto;
  text-align: center;
  padding-top: 50px;
  padding-bottom: 20px;
}
.compat-index-group {
  margin: 36px 0;
}
.compat-index-group h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
}
.compat-index-group h2 img { width: 30px; height: 30px; border-radius: 50%; }
.compat-index-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 16px;
}
.compat-index-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-muted);
  font-size: 0.92rem;
}
.compat-index-list a:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  color: var(--text);
  text-decoration: none;
}
.compat-index-list .tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

@media (max-width: 880px) {
  .compat-index-list { grid-template-columns: 1fr; }
}

/* ---------- Prev/next sign nav ---------- */

#sign-pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-top: 40px;
  padding-bottom: 40px;
}
#sign-pager a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 22px;
  flex: 1;
  background: var(--bg-card);
  min-width: 0;
}
#sign-pager a:hover { text-decoration: none; border-color: var(--border-strong); color: var(--text); }
#sign-pager a img { width: 32px; height: 32px; min-width: 32px; border-radius: 50%; }
#sign-pager .next { justify-content: flex-end; text-align: right; flex-direction: row-reverse; }
#sign-pager .dir { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); }
#sign-pager .name { font-family: var(--font-display); font-size: 1.1rem; color: var(--text); }

/* ---------- Compatibility pages ---------- */

.compat-hero {
  padding-top: 56px;
  padding-bottom: 20px;
  text-align: center;
}
.compat-pair-images {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-bottom: 28px;
}
.compat-pair-images img {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  box-shadow: 0 20px 40px rgba(0,0,0,0.45);
}
.compat-pair-images .glyph-link {
  font-size: 1.6rem;
  color: var(--accent-gold);
}
.compat-hero h1 { max-width: 26ch; margin: 0 auto 10px; }
.compat-hero .sign-names {
  font-size: 0.95rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.compat-hero .sign-tagline { max-width: 60ch; margin: 0 auto 18px; }
.compat-hero .disclaimer { margin: 0 auto; max-width: 65ch; text-align: left; }

.overall-badge {
  display: inline-block;
  margin: 8px auto 0;
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--accent-gold);
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 40px 0 48px;
}
.score-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  text-align: center;
}
.score-card h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-weight: 600;
}
.score-dots { display: flex; justify-content: center; gap: 6px; margin-bottom: 10px; }
.score-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border);
  border: 1px solid var(--border-strong);
}
.score-dots span.filled { background: var(--accent-gold); border-color: var(--accent-gold); }
.score-card .score-label { font-family: var(--font-display); font-size: 1.05rem; color: var(--text); }

.compat-pager {
  display: flex;
  gap: 16px;
  justify-content: center;
  padding-top: 10px;
  padding-bottom: 50px;
  flex-wrap: wrap;
}

@media (max-width: 880px) {
  .compat-pair-images img { width: 100px; height: 100px; }
  .score-grid { grid-template-columns: 1fr; }
}

/* ---------- Homepage ---------- */

.hero {
  padding-top: 90px;
  padding-bottom: 60px;
  text-align: center;
}
.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  color: var(--accent-gold);
  margin-bottom: 18px;
}
.hero h1 { max-width: 16ch; margin: 0 auto 20px; }
.hero p.lead { max-width: 56ch; margin: 0 auto 30px; font-size: 1.15rem; }
.hero-actions { display: flex; gap: 16px; justify-content: center; }

.sign-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 20px 0 60px;
}

.sign-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.sign-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  text-decoration: none;
}
.sign-card img { width: 84px; height: 84px; margin: 0 auto 16px; border-radius: 50%; }
.sign-card .name { font-family: var(--font-display); font-size: 1.3rem; color: var(--text); }
.sign-card .dates { font-size: 0.85rem; color: var(--text-faint); margin-top: 4px; }

.intro-block {
  max-width: 72ch;
  margin: 0 auto;
  text-align: center;
  padding-bottom: 40px;
}

.roadmap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 10px 0 70px;
}
.roadmap-card {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 24px;
}
.roadmap-card .status {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  margin-bottom: 10px;
  display: block;
}
.roadmap-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.roadmap-card p { font-size: 0.92rem; margin: 0; }

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

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 50px 0 30px;
  margin-top: 40px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}
.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--text-muted); font-size: 0.92rem; }
.footer-col p { font-size: 0.88rem; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-faint);
}

/* ---------- Learn hub / article pages ---------- */

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding: 20px 0 60px;
}
.article-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.article-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  text-decoration: none;
}
.article-card h3 { font-size: 1.3rem; margin-bottom: 10px; color: var(--text); }
.article-card p { margin: 0 0 14px; font-size: 0.95rem; }
.article-card .read-more {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-gold);
}

.article-hero {
  padding-top: 56px;
  padding-bottom: 20px;
  max-width: 74ch;
}
.article-hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--accent-gold);
  margin-bottom: 16px;
}
.article-hero h1 { margin-bottom: 16px; }
.article-hero .lead { font-size: 1.1rem; }

.article-body {
  max-width: 74ch;
}
.article-body h2 { margin-top: 0.4em; }
.article-body h3 { color: var(--accent-gold); font-size: 1.15rem; }

.data-table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
table.data-table th,
table.data-table td {
  text-align: left;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.data-table th {
  font-family: var(--font-body);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  background: var(--bg-card);
}
table.data-table td { color: var(--text-muted); }
table.data-table tr:last-child td { border-bottom: none; }
table.data-table td.sign-cell { color: var(--text); display: flex; align-items: center; gap: 10px; }
table.data-table td.sign-cell img { width: 22px; height: 22px; border-radius: 50%; }
table.data-table td.wrap { white-space: normal; }

.color-swatch {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  margin-right: 8px;
  vertical-align: middle;
  box-shadow: 0 0 0 2px rgba(0,0,0,0.15) inset;
}

.related-links {
  max-width: 74ch;
  margin: 40px 0 20px;
  padding: 24px 26px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.related-links h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-weight: 600;
}
.related-links ul { list-style: none; margin: 0; padding: 0; }
.related-links li { margin-bottom: 8px; }
.related-links a { font-size: 0.95rem; }

/* ---------- Tools page ---------- */

.tool-card {
  max-width: 640px;
  margin: 0 auto 60px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 36px;
}
.tool-card h2 { text-align: center; }
.tool-card > p.tool-intro { text-align: center; }
.tool-form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  justify-content: center;
  margin: 24px 0 8px;
}
.tool-field { display: flex; flex-direction: column; gap: 6px; }
.tool-field label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}
.tool-field input,
.tool-field select {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 10px 14px;
}
.tool-form button {
  cursor: pointer;
  font-family: inherit;
}
.tool-result {
  display: none;
  margin-top: 28px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.tool-result.visible { display: block; }
.tool-result img { width: 72px; height: 72px; margin: 0 auto 14px; border-radius: 50%; }
.tool-result .result-name { font-family: var(--font-display); font-size: 1.6rem; color: var(--text); }
.tool-result .result-sub { font-size: 0.9rem; color: var(--text-faint); margin-bottom: 14px; }
.tool-result .cusp-note {
  font-size: 0.85rem;
  color: var(--text-faint);
  border-left: 2px solid var(--border-strong);
  padding-left: 12px;
  margin: 14px auto;
  max-width: 44ch;
  text-align: left;
}
.tool-result .percent-badge {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--accent-gold);
  margin: 6px 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 880px) {
  nav.main-nav { display: none; }
  .nav-toggle { display: inline-block; }
  header.site-header.nav-open nav.main-nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 10px 24px 20px;
    gap: 4px;
  }
  header.site-header.nav-open .nav-dropdown-menu {
    position: static;
    transform: none;
    width: auto;
    grid-template-columns: repeat(2, 1fr);
    display: none;
  }
  header.site-header.nav-open .nav-dropdown.open .nav-dropdown-menu { display: grid; }
  header.site-header.nav-open nav.main-nav a,
  header.site-header.nav-open .nav-dropdown-toggle { padding: 10px 4px; }

  .sign-hero { grid-template-columns: 1fr; text-align: center; gap: 28px; }
  .sign-hero-image { width: 220px; margin: 0 auto; }
  .sign-hero-meta { justify-content: center; }
  .sign-tagline { margin: 0 auto; }
  .disclaimer { margin-left: auto; margin-right: auto; text-align: left; }

  .quick-facts { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .sign-grid { grid-template-columns: repeat(2, 1fr); }
  .roadmap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  h1 { font-size: 2.2rem; }

  .article-grid { grid-template-columns: 1fr; }
  .tool-card { padding: 26px 22px; }
  .tool-form { flex-direction: column; align-items: stretch; }
  .tool-field input, .tool-field select { width: 100%; }
}