/* Clinical Trial Signal — dark research-desk theme
   Accent: cyan (#06b6d4) for clinical/data feel
   Base + panel + line variables match ElementWatch / FreighterDeck rhythm */

:root {
  --bg:           #0a0c10;
  --bg-2:         #0d1117;
  --panel:        #11161e;
  --panel-2:      #131922;
  --line:         #1f2937;
  --line-soft:    #243042;
  --text:         #e5e7eb;
  --text-bright:  #ffffff;
  --muted:        #94a3b8;
  --muted-dim:    #64748b;
  --accent:       #06b6d4;
  --accent-soft:  rgba(6,182,212,0.14);
  --accent-strong:#67e8f9;
  --good:         #34d399;
  --warn:         #fbbf24;
  --alert:        #fb7185;

  --radius-sm:    8px;
  --radius:       12px;
  --radius-lg:    16px;
  --shadow:       0 8px 32px rgba(0,0,0,0.4);

  --text-xs:      0.72rem;
  --text-sm:      0.85rem;
  --text-base:    0.95rem;
  --text-md:      1rem;
  --text-lg:      1.15rem;
  --text-xl:      1.35rem;
  --text-2xl:     1.7rem;
  --text-hero:    clamp(1.9rem, 4vw, 3rem);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4, h5 { color: var(--text-bright); margin: 0 0 12px; }

/* ───── Layout ───── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section   { padding: 56px 0; }
.section-tight { padding: 32px 0; }

/* ───── Top nav ───── */
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(10,12,16,0.85); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; gap: 16px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text-bright); font-weight: 800; font-size: 1.05rem;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-mark { width: 30px; height: 30px; }
.nav-links {
  display: flex; gap: 4px; flex-wrap: wrap;
}
.nav-link {
  padding: 6px 12px; border-radius: 999px;
  color: var(--muted); font-size: var(--text-sm); font-weight: 600;
  text-decoration: none; white-space: nowrap;
  transition: color .12s, background .12s, border-color .12s;
  border: 1px solid transparent;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-bright); background: var(--accent-soft);
  border-color: var(--accent); text-decoration: none;
}
.nav-cta {
  padding: 8px 16px; border-radius: 999px;
  background: var(--accent); color: #06222a;
  font-size: var(--text-sm); font-weight: 700;
  border: none; text-decoration: none; white-space: nowrap;
  transition: transform .12s, box-shadow .12s;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(6,182,212,.4);
  text-decoration: none; color: #06222a;
}

/* ───── Hero ───── */
.hero { padding: 64px 0 48px; }
.hero-compact { padding: 40px 0 24px; }
.hero-compact h1 { margin: 10px 0 12px; }
.hero-compact p.lede { margin-bottom: 18px; }
.hero-compact .hero-ctas { margin-top: 16px; margin-bottom: 0; }
.section-lede { color: var(--muted); font-size: 0.92rem; margin: -8px 0 18px; max-width: 64ch; line-height: 1.55; }
.hero-eyebrow {
  font-size: var(--text-xs); letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); font-weight: 700;
}
.hero h1 {
  font-size: var(--text-hero); line-height: 1.08; font-weight: 800;
  margin: 14px 0 18px; max-width: 22ch;
}
.hero p.lede {
  color: var(--muted); font-size: var(--text-lg); line-height: 1.55;
  max-width: 64ch; margin: 0 0 28px;
}
.hero-ctas {
  display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 30px;
}
.btn-primary, .btn-secondary, .btn-ghost {
  padding: 12px 22px; border-radius: 999px; font-weight: 700; font-size: 0.92rem;
  border: 1px solid transparent; cursor: pointer;
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  transition: transform .12s, box-shadow .12s, background .12s, color .12s;
}
.btn-primary  { background: var(--accent); color: #06222a; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(6,182,212,.45); text-decoration: none; color: #06222a; }
.btn-secondary { background: var(--panel-2); color: var(--text-bright); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--line); }
.btn-ghost:hover { color: var(--text-bright); border-color: var(--line-soft); text-decoration: none; }

/* Search box */
.searchbar {
  display: flex; gap: 0; align-items: stretch;
  background: var(--panel-2);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 6px 6px 18px;
  max-width: 620px;
}
.searchbar input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font-size: var(--text-md);
  font-family: inherit;
}
.searchbar button {
  padding: 10px 20px; border-radius: 999px;
  background: var(--accent); color: #06222a; border: none;
  font-weight: 700; font-size: 0.88rem; cursor: pointer;
  transition: transform .12s, box-shadow .12s;
}
.searchbar button:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(6,182,212,.4); }

/* Example-chip row (homepage + search) */
.chip-row {
  margin-top: 12px;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.chip {
  display: inline-flex; align-items: center;
  padding: 7px 12px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line);
  color: var(--text); font-size: 0.78rem; font-weight: 600;
  text-decoration: none; white-space: nowrap;
  transition: background .12s, border-color .12s, color .12s;
}
.chip:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* Signal grid for stacked cards */
.signal-grid { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 880px) {
  .signal-grid { grid-template-columns: repeat(2, 1fr); }
}
.signal-grid > .signal-card { margin-bottom: 0; }

/* Signal category chip */
.signal-category {
  display: inline-flex; align-items: center;
  padding: 3px 9px; border-radius: 999px;
  background: var(--bg-2); border: 1px solid var(--line);
  color: var(--muted); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  flex: 0 0 auto;
}
.signal-entity {
  margin-top: 6px;
  color: var(--muted); font-size: 0.78rem; line-height: 1.4;
}
.last-checked-label { color: var(--muted-dim) !important; font-weight: 600 !important; }

/* Source badges */
.source-strip {
  margin-top: 26px; display: flex; flex-wrap: wrap; gap: 8px;
}
.source-badge {
  font-size: var(--text-xs); padding: 5px 10px; border-radius: 999px;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--line);
}

/* ───── Modules / cards ───── */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 24px;
}
.section-head h2 { margin: 0; font-size: var(--text-xl); }
.section-head .section-meta { color: var(--muted); font-size: var(--text-sm); }
.module-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.card {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 22px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--line-soft); }
.card .eyebrow {
  font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 700; color: var(--accent);
}
.card h3 { margin: 0; font-size: var(--text-md); line-height: 1.3; }
.card .desc { color: var(--muted); font-size: 0.88rem; line-height: 1.55; }

/* Signal card (used on trials/safety/sponsors/briefs pages) */
.signal-card {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 22px;
  margin-bottom: 14px;
}

/* Example card — clearly visually separated from live records */
.signal-card.is-example {
  background: repeating-linear-gradient(
    135deg,
    rgba(148,163,184,0.025) 0 12px,
    rgba(148,163,184,0.055) 12px 24px
  );
  border-style: dashed;
  border-color: var(--line-soft);
}
.example-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  background: rgba(148,163,184,0.10); color: var(--muted);
  border: 1px dashed var(--line-soft);
}
.example-tag::before { content: ''; width: 6px; height: 6px; border-radius: 999px; background: var(--muted-dim); }
.example-banner {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px; padding: 8px 12px;
  background: rgba(148,163,184,0.06); border: 1px dashed var(--line-soft);
  border-radius: var(--radius-sm); color: var(--muted); font-size: 0.78rem;
}
.example-banner strong { color: var(--text); font-weight: 700; letter-spacing: 0.02em; }

/* Skeleton — runtime loading state only */
.skeleton-grid { display: grid; gap: 14px; }
.signal-skeleton {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 22px;
  margin-bottom: 14px;
}
.signal-skeleton .sk-line {
  height: 12px; border-radius: 6px;
  background: linear-gradient(90deg, rgba(148,163,184,0.06) 0%, rgba(148,163,184,0.16) 50%, rgba(148,163,184,0.06) 100%);
  background-size: 200% 100%;
  animation: sk-shimmer 1.6s ease-in-out infinite;
}
.signal-skeleton .sk-line + .sk-line { margin-top: 10px; }
.signal-skeleton .sk-line.sk-short { width: 35%; }
.signal-skeleton .sk-line.sk-mid   { width: 70%; height: 16px; }
.signal-skeleton .sk-line.sk-long  { width: 95%; }
@keyframes sk-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .signal-skeleton .sk-line { animation: none; }
}

/* Source-backed schema card (above pricing CTA) */
.schema-card {
  background: linear-gradient(180deg, rgba(6,182,212,0.06), rgba(6,182,212,0.01));
  border: 1px solid rgba(6,182,212,0.30);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  margin: 12px 0 18px;
}
.schema-card-title {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.schema-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
}
.schema-cell {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 12px 14px;
  display: flex; flex-direction: column; gap: 4px;
}
.schema-cell .schema-label {
  font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted-dim); font-weight: 600;
}
.schema-cell .schema-value { font-size: 0.88rem; color: var(--text-bright); font-weight: 600; }
@media (max-width: 720px) {
  .schema-grid { grid-template-columns: 1fr 1fr; }
}

/* Tier persona section */
.tier-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.tier-card {
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 22px 22px;
  display: flex; flex-direction: column; gap: 10px;
}
.tier-card.tier-pro      { border-left: 3px solid var(--accent); }
.tier-card.tier-investor { border-left: 3px solid var(--warn); }
.tier-card.tier-desk     { border-left: 3px solid var(--good); }
.tier-card .tier-eyebrow {
  font-size: 0.72rem; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--muted); font-weight: 700;
}
.tier-card.tier-pro .tier-eyebrow      { color: var(--accent); }
.tier-card.tier-investor .tier-eyebrow { color: var(--warn); }
.tier-card.tier-desk .tier-eyebrow     { color: var(--good); }
.tier-card h3 { margin: 0; font-size: var(--text-md); color: var(--text-bright); }
.tier-card .tier-price { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
.tier-card .tier-personas { list-style: none; padding: 0; margin: 4px 0 0; display: flex; flex-direction: column; gap: 6px; }
.tier-card .tier-personas li { color: var(--text); font-size: 0.88rem; padding-left: 14px; position: relative; }
.tier-card .tier-personas li::before { content: '·'; color: var(--accent); position: absolute; left: 4px; font-weight: 800; }
@media (max-width: 860px) {
  .tier-grid { grid-template-columns: 1fr; }
}
.signal-card-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.signal-card-title { font-size: var(--text-md); font-weight: 700; color: var(--text-bright); line-height: 1.3; }
.signal-label {
  flex: 0 0 auto; padding: 4px 10px; border-radius: 999px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid rgba(6,182,212,0.35);
}
.signal-label.monitor       { background: rgba(6,182,212,0.14);  color: var(--accent);       border-color: rgba(6,182,212,0.35); }
.signal-label.notable       { background: rgba(251,191,36,0.14); color: var(--warn);          border-color: rgba(251,191,36,0.35); }
.signal-label.high-attention{ background: rgba(251,113,133,0.14); color: var(--alert);        border-color: rgba(251,113,133,0.35); }
.signal-label.needs-review  { background: rgba(148,163,184,0.14); color: var(--muted);        border-color: rgba(148,163,184,0.35); }
.signal-summary  { color: var(--text); font-size: 0.92rem; line-height: 1.6; }
.signal-meta {
  margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.78rem; color: var(--muted);
}
.signal-meta strong { color: var(--text-bright); font-weight: 600; }
.signal-evidence {
  font-size: 0.78rem; color: var(--muted);
}
.signal-caveat {
  margin-top: 10px; padding: 10px 12px;
  background: rgba(148,163,184,0.06);
  border-left: 3px solid var(--line-soft);
  font-size: 0.78rem; color: var(--muted); line-height: 1.5;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ───── Signal card actions ───── */
.signal-actions {
  margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 8px;
}
.btn-tiny {
  padding: 7px 14px; font-size: 0.78rem; font-weight: 700;
  border-radius: 999px; text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid transparent;
}
.btn-ghost.btn-tiny { background: transparent; color: var(--muted); border-color: var(--line); }
.btn-ghost.btn-tiny:hover { color: var(--text-bright); border-color: var(--line-soft); text-decoration: none; }
.btn-ghost.btn-tiny.lock::before { content: '🔒 '; font-size: 0.7rem; }
.btn-ghost.btn-tiny.lock { color: var(--accent); border-color: rgba(6,182,212,0.35); }
.btn-ghost.btn-tiny.lock:hover { background: var(--accent-soft); color: var(--accent-strong); text-decoration: none; }
.btn-primary.btn-tiny { background: var(--accent); color: #06222a; }
.btn-secondary.btn-tiny { background: var(--panel-2); color: var(--text-bright); border-color: var(--line); }
.btn-secondary.btn-tiny:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* Lock-card preview tiles */
.lock-card { position: relative; border-left: 3px solid var(--accent); }
.lock-card.lock-investor { border-left-color: var(--warn); }
.lock-card.lock-desk { border-left-color: var(--good); }
.lock-card .eyebrow { color: var(--accent); }
.lock-card.lock-investor .eyebrow { color: var(--warn); }
.lock-card.lock-desk .eyebrow { color: var(--good); }

/* Sponsor dashboard cards */
.sponsor-card { gap: 14px; }
.sponsor-card .sponsor-headline {
  font-size: 0.85rem; color: var(--muted); font-weight: 500;
  margin: -4px 0 0; letter-spacing: 0.01em;
}
.sponsor-metrics {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px;
  margin-top: 4px;
}
.sponsor-metric {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 10px 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.metric-label {
  font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted-dim); font-weight: 600;
}
.metric-value { font-size: 0.88rem; color: var(--text-bright); font-weight: 600; }
.lock-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.72rem; color: var(--warn); font-weight: 700;
}
.lock-badge::before { content: '🔒'; font-size: 0.65rem; }
.sponsor-cta { margin-top: auto; }

/* Evidence Room sample card */
.evidence-card { border-left: 3px solid var(--accent); }
.evidence-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 14px 0;
}
.evidence-cell {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 10px 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.evidence-cell-wide { grid-column: 1 / -1; }
.evidence-label {
  font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted-dim); font-weight: 600;
}
.evidence-value { font-size: 0.88rem; color: var(--text); line-height: 1.4; }
.evidence-value a { color: var(--accent); }

/* ───── Comparison table (homepage: Enterprise vs CTS) ───── */
.compare-table {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 18px;
}
.compare-row {
  display: grid; grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
}
.compare-row:first-child { border-top: none; }
.compare-cell {
  padding: 14px 18px;
  color: var(--text); font-size: 0.92rem; line-height: 1.5;
  border-left: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 4px;
}
.compare-cell:first-child { border-left: none; }
.compare-head .compare-cell {
  background: var(--bg-2);
  color: var(--text-bright); font-weight: 700; font-size: 0.78rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 12px 18px;
}
.compare-head .compare-cell:last-child { color: var(--accent); }
.compare-label {
  font-size: 0.66rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted-dim); font-weight: 700;
  display: none;     /* shown only on mobile */
}
@media (max-width: 760px) {
  .compare-row { grid-template-columns: 1fr; }
  .compare-cell { border-left: none; border-top: 1px solid var(--line); padding: 12px 14px; }
  .compare-cell:first-child { border-top: none; }
  .compare-row:first-child { display: none; }       /* header redundant on mobile */
  .compare-label { display: inline-block; }          /* show label per cell instead */
  .compare-row + .compare-row { border-top: 2px solid var(--accent-soft); }
}

/* ───── Source map cards ───── */
.source-card {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 22px;
  margin-bottom: 14px;
}
.source-card h3 { font-size: var(--text-md); margin: 0 0 6px; }
.source-meta-row {
  margin-top: 14px; display: grid; gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.source-meta-cell {
  padding: 8px 10px; background: var(--bg-2); border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}
.source-meta-label { font-size: var(--text-xs); color: var(--muted); display: block; margin-bottom: 3px; letter-spacing: 0.04em; text-transform: uppercase; }
.source-meta-value { font-size: 0.85rem; color: var(--text); }
.source-tag {
  display: inline-block; padding: 3px 8px; border-radius: 999px;
  font-size: var(--text-xs); font-weight: 600;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid rgba(6,182,212,0.35);
  margin-left: 6px;
}

/* ───── Pricing tiers ───── */
.pricing-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 24px;
}
.pricing-tier {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  display: flex; flex-direction: column; gap: 14px;
}
.pricing-tier.featured { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.pricing-tier-name { font-size: var(--text-xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); font-weight: 700; }
.pricing-amount { font-size: 2.2rem; font-weight: 800; color: var(--text-bright); }
.pricing-period { color: var(--muted); font-size: var(--text-sm); margin-left: 4px; }
.pricing-tagline { color: var(--muted); font-size: 0.9rem; line-height: 1.5; min-height: 3em; }
.pricing-features { list-style: none; padding: 0; margin: 0; }
.pricing-feature  { padding: 6px 0; color: var(--text); font-size: 0.88rem; display: flex; align-items: flex-start; gap: 8px; }
.feature-check    { color: var(--accent); font-weight: 700; flex: 0 0 auto; }
.feature-x        { color: var(--muted-dim); flex: 0 0 auto; }
.pricing-cta { margin-top: auto; text-align: center; }
.pricing-payment-note { font-size: var(--text-xs); color: var(--muted); margin-top: 6px; text-align: center; }

/* ───── Billing toggle (Monthly / Annual) ───── */
.billing-toggle-row { display: flex; justify-content: center; margin: 4px 0 22px; }
.billing-toggle {
  display: inline-flex; padding: 4px;
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 999px;
}
.billing-opt {
  padding: 9px 18px; border-radius: 999px;
  background: transparent; color: var(--muted); border: none;
  font-family: inherit; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.02em;
  cursor: pointer; transition: background .15s, color .15s;
  display: inline-flex; align-items: center; gap: 8px;
}
.billing-opt:hover { color: var(--text-bright); }
.billing-opt.active { background: var(--accent); color: #06222a; }
.billing-save {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 2px 8px; border-radius: 999px;
  background: rgba(52,211,153,0.18); color: var(--good);
  text-transform: uppercase;
}
.billing-opt.active .billing-save { background: rgba(6,34,42,0.25); color: #06222a; }
.pricing-alt {
  color: var(--muted); font-size: 0.85rem; margin: 2px 0 12px;
}
.pricing-alt a { color: var(--accent); }

/* ───── Disclaimer / caveat ───── */
.disclaimer {
  margin-top: 36px;
  padding: 18px 20px;
  background: rgba(148,163,184,0.06);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  font-size: 0.85rem; line-height: 1.6; color: var(--text);
}

/* ───── Footer ───── */
.footer {
  margin-top: 64px;
  padding: 32px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--text-sm);
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 0 24px;
  display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center;
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--accent); text-decoration: none; }

/* ───── Price chips (visible everywhere) ───── */
.price-chips {
  display: flex; gap: 8px; flex-wrap: wrap; margin-top: 22px;
}
.price-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line);
  color: var(--text); font-size: 0.85rem; text-decoration: none;
  transition: border-color .12s, background .12s, color .12s;
}
.price-chip:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.price-chip strong { color: var(--text-bright); font-weight: 700; }
.price-chip .amt { color: var(--accent); font-weight: 700; }

/* ───── Mobile tab bar (fixed bottom nav on small screens) ───── */
.mobile-tabbar { display: none; }
@media (max-width: 760px) {
  .mobile-tabbar {
    display: flex;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    background: rgba(10,12,16,0.96);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--line);
    padding: 6px 6px calc(6px + env(safe-area-inset-bottom));
    justify-content: space-around; gap: 4px;
  }
  .mobile-tab {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 6px 4px; border-radius: 10px;
    color: var(--muted); text-decoration: none;
    font-size: 0.66rem; font-weight: 700; letter-spacing: 0.04em;
    min-height: 44px; justify-content: center;
  }
  .mobile-tab .tab-icon { font-size: 1.1rem; line-height: 1; }
  .mobile-tab .tab-label { text-transform: uppercase; }
  .mobile-tab:hover, .mobile-tab.active {
    color: var(--accent); background: var(--accent-soft); text-decoration: none;
  }
  body { padding-bottom: 72px; }  /* leave room for tab bar */
}

/* Sticky search container (mobile) */
.search-sticky {
  position: sticky; top: 56px; z-index: 20;
  background: linear-gradient(180deg, rgba(10,12,16,0.96) 70%, rgba(10,12,16,0));
  padding: 10px 0 16px;
  margin: -10px 0 14px;
}

/* ───── Mobile ───── */
@media (max-width: 760px) {
  .topbar-inner { padding: 10px 14px; gap: 10px; flex-wrap: nowrap; }
  .brand { font-size: 0.95rem; flex: 0 0 auto; }
  .brand-mark { width: 26px; height: 26px; }
  .nav-links {
    display: flex; flex-wrap: nowrap;
    overflow-x: auto;
    -ms-overflow-style: none; scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    flex: 1 1 auto; min-width: 0;
    padding-right: 4px;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-link { padding: 6px 10px; font-size: 0.78rem; }
  .nav-cta { padding: 7px 12px; font-size: 0.78rem; flex: 0 0 auto; }
  .container { padding: 0 14px; }
  .hero { padding: 28px 0 20px; }
  .hero-compact { padding: 22px 0 18px; }
  .hero h1 { font-size: clamp(1.45rem, 7vw, 2rem); line-height: 1.15; max-width: 100%; }
  .hero p.lede { font-size: 0.95rem; max-width: 100%; }
  .hero-ctas { gap: 8px; }
  .hero-ctas .btn-primary, .hero-ctas .btn-secondary, .hero-ctas .btn-ghost {
    flex: 1 1 calc(50% - 4px); justify-content: center; padding: 11px 14px; font-size: 0.88rem;
  }
  .searchbar { padding: 5px 5px 5px 14px; max-width: 100%; }
  .searchbar input { font-size: 0.95rem; min-width: 0; }
  .searchbar button { padding: 9px 14px; font-size: 0.82rem; white-space: nowrap; }
  .chip-row {
    flex-wrap: nowrap; overflow-x: auto;
    -ms-overflow-style: none; scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: 4px 14px 4px 0; margin-right: -14px;
  }
  .chip-row::-webkit-scrollbar { display: none; }
  .chip { font-size: 0.74rem; padding: 6px 10px; flex: 0 0 auto; }
  .source-strip { gap: 6px; }
  .source-badge { font-size: 0.7rem; padding: 4px 8px; }
  .section { padding: 32px 0; }
  .section-tight { padding: 10px 0 24px; }
  .section-head h2 { font-size: 1.15rem; }
  .pricing-tier { padding: 20px 16px; }
  .pricing-amount { font-size: 1.85rem; }
  .module-grid { gap: 10px; }
  .signal-card { padding: 16px 16px; word-break: break-word; overflow-wrap: anywhere; }
  .signal-card-head { flex-wrap: wrap; gap: 8px; }
  .signal-card-title { font-size: 0.98rem; line-height: 1.3; }
  .signal-summary { font-size: 0.88rem; }
  .signal-meta { gap: 8px 12px; font-size: 0.72rem; padding-top: 10px; margin-top: 10px; }
  .signal-actions { gap: 6px; padding-top: 12px; margin-top: 12px; }
  .btn-tiny { padding: 8px 12px; font-size: 0.74rem; }
  .evidence-grid { grid-template-columns: 1fr; gap: 8px; }
  .evidence-cell { padding: 9px 11px; }
  .sponsor-metrics { grid-template-columns: 1fr; }
  .footer-links { gap: 10px 14px; font-size: 0.78rem; }
  .topbar { top: 0; }
  .search-sticky { top: 50px; }
}
@media (max-width: 420px) {
  .price-chip { font-size: 0.78rem; padding: 6px 10px; }
  .price-chips { gap: 6px; }
  .hero-eyebrow { font-size: 0.66rem; letter-spacing: 0.14em; }
  .pricing-grid { grid-template-columns: 1fr; }
}