/* === Extended component styles === */

/* ---------------- Nav dropdown ---------------- */
.nav-dropdown {
  position: absolute;
  top: calc(100% - 4px);
  left: -12px;
  min-width: 340px;
  padding-top: 10px;
  z-index: 60;
}
.nav-dropdown-inner {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  padding: 8px;
}
.nav-dropdown-item {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  transition: background 120ms;
}
.nav-dropdown-item:hover { background: var(--blue-50); }
.nav-dropdown-label {
  font-size: 13px; font-weight: 600; color: var(--ink-900);
}
.nav-dropdown-desc {
  font-size: 12px; color: var(--muted); margin-top: 2px;
}

/* ---------------- Hero ---------------- */
.hero {
  padding: 56px 0 88px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 400px at 85% 0%, color-mix(in srgb, var(--blue-500) 12%, transparent), transparent 60%),
    radial-gradient(700px 400px at 10% 100%, color-mix(in srgb, var(--coral) 7%, transparent), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.hero > .page { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 56px;
  align-items: center;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
}

.hero-h1 {
  font-size: clamp(40px, 5.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 16px 0 24px;
  font-weight: 600;
  color: var(--ink-900);
}
.hero-h1-accent {
  color: var(--blue-600);
  font-style: italic;
  font-weight: 500;
}
body[data-serif="true"] .hero-h1 {
  letter-spacing: -0.02em;
  font-weight: 400;
}
body[data-serif="true"] .hero-h1-accent {
  font-weight: 400;
}
.hero-lede {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-700);
  max-width: 520px;
  margin: 0 0 28px;
}
.hero-ctas { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-meta {
  display: flex; gap: 32px; flex-wrap: wrap;
  align-items: center;          /* vertically centre each item by its mid-point */
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.hero-meta > div {
  display: flex; flex-direction: column; gap: 2px;
  justify-content: center;      /* keep each column's content centred too */
}
.hero-meta .mono {
  font-size: 22px; font-weight: 500;
  color: var(--ink-900); letter-spacing: -0.01em;
}

/* ---------------- Hero demo card ---------------- */
.hero-demo {
  padding: 0;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.hero-demo-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(to bottom, var(--blue-50), transparent);
}
.hero-demo-title { display: flex; align-items: center; gap: 12px; }
.hero-demo-h { font-size: 15px; font-weight: 600; color: var(--ink-900); line-height: 1.2; }
.hero-demo-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.hero-demo-tabs { display: flex; gap: 2px; background: var(--ink-100); padding: 3px; border-radius: 6px; }
.tab {
  padding: 6px 10px; border-radius: 4px; border: 0;
  background: transparent; color: var(--muted);
  font-size: 11px; font-weight: 500;
  font-family: var(--mono); letter-spacing: 0.04em;
}
.tab.active { background: var(--white); color: var(--ink-900); box-shadow: 0 1px 2px rgba(0,0,0,0.06); }

.hero-demo-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
}
@media (max-width: 620px) {
  .hero-demo-body { grid-template-columns: 1fr; }
}
.hero-demo-controls {
  padding: 20px;
  display: flex; flex-direction: column; gap: 14px;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-2) 40%, var(--white));
}

.field { display: flex; flex-direction: column; gap: 5px; }
.field-label {
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 600; color: var(--muted);
}
.field-input {
  display: flex; align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  height: 34px;
  transition: border-color 120ms, box-shadow 120ms;
}
.field-input:focus-within {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue-500) 18%, transparent);
  outline: none;
}
.field-input input,
.field-input select {
  border: 0; background: transparent; outline: none;
  font: inherit; color: var(--ink-900);
  width: 100%; font-size: 13px;
}
.field-input select { padding-right: 0; }
.field-prefix { color: var(--muted); font-family: var(--mono); margin-right: 4px; font-size: 13px; }
.ticker-input input { font-weight: 600; letter-spacing: 0.04em; }
.ticker-suggest { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 2px; }
.ticker-suggest button {
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 11px;
  color: var(--muted);
  transition: all 120ms;
}
.ticker-suggest button:hover {
  border-color: var(--blue-500);
  color: var(--blue-600);
  background: var(--blue-50);
}

.field-row { display: flex; gap: 6px; margin-top: 4px; }

.hero-demo-chart {
  padding: 16px 20px 20px;
  display: flex; flex-direction: column; gap: 12px;
  min-width: 0;
}
.car-chart { width: 100%; height: auto; display: block; }

.hero-demo-readout {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-label {
  font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
}
.stat-value { font-size: 18px; font-weight: 500; color: var(--ink-900); letter-spacing: -0.01em; }
.stat-up .stat-value { color: color-mix(in srgb, var(--green) 85%, var(--ink-900)); }
.stat-down .stat-value { color: color-mix(in srgb, var(--coral) 85%, var(--ink-900)); }
.stat-sig .stat-value { color: var(--accent); }
.stat-ns .stat-value { color: var(--muted); }

.hero-demo-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid var(--line);
  background: var(--blue-50);
}
.hero-demo-link {
  color: var(--blue-600); font-weight: 500; font-size: 13px;
}
.hero-demo-link:hover { color: var(--blue-700); }

/* ---------------- Apps grid ---------------- */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.app-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
  transition: border-color 140ms, transform 140ms;
  position: relative;
}
.app-card:hover {
  border-color: var(--blue-500);
  transform: translateY(-1px);
}
.app-card.accent-coral:hover { border-color: var(--coral); }
.app-card-head { display: flex; justify-content: space-between; align-items: center; }
.app-code {
  font-size: 22px;
  letter-spacing: -0.01em;
  font-weight: 500;
  color: var(--blue-600);
}
.app-card.accent-coral .app-code { color: var(--coral); }
.app-name {
  font-size: 17px; margin: 0; font-weight: 600; color: var(--ink-900);
  letter-spacing: -0.01em;
}
.app-desc { color: var(--muted); font-size: 13.5px; margin: 0; line-height: 1.5; }
.app-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 4px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.app-metrics > div { display: flex; flex-direction: column; gap: 2px; }
.app-metrics dt { font-size: 10px; margin: 0; }
.app-metrics dd {
  margin: 0; font-size: 13px; font-weight: 500;
  color: var(--ink-900); letter-spacing: -0.005em;
}
.app-card-foot {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: auto; padding-top: 8px;
}
.app-link { color: var(--blue-600); font-weight: 500; font-size: 13px; }
.app-link:hover { color: var(--blue-700); }
.app-link-sub { color: var(--muted); font-size: 12px; }
.app-link-sub:hover { color: var(--ink-900); }

/* ---------------- Methodology ---------------- */
.method-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 900px) { .method-grid { grid-template-columns: 1fr; } }

.method-steps { list-style: none; padding: 0; margin: 0; }
.method-step {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 16px; align-items: start;
  padding: 18px 16px 18px 0;
  border-top: 1px solid var(--line);
  cursor: pointer;
  transition: background 140ms, padding-left 140ms;
}
.method-step:last-child { border-bottom: 1px solid var(--line); }
.method-step:hover { padding-left: 8px; }
.method-step.active {
  background: var(--blue-50);
  padding-left: 8px;
}
.method-num { font-size: 13px; color: var(--blue-600); font-weight: 600; padding-top: 1px; }
.method-name { font-size: 15px; font-weight: 600; color: var(--ink-900); margin-bottom: 2px; letter-spacing: -0.005em; }
.method-desc { font-size: 13px; color: var(--muted); line-height: 1.5; max-width: 44ch; }
.method-chip {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink-700);
  white-space: nowrap;
}
.method-step.active .method-chip {
  background: var(--blue-100);
  border-color: color-mix(in srgb, var(--blue-600) 30%, transparent);
  color: var(--blue-700);
}

.method-visual {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  position: sticky;
  top: 84px;
}
.method-visual-head { margin-bottom: 8px; }
.method-svg { width: 100%; height: auto; display: block; }

/* ---------------- Features ---------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
}
.feature-group { display: flex; flex-direction: column; gap: 12px; }
.feature-group-name { margin-bottom: 4px; color: var(--blue-600); }
.feature-group ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.feature-group li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 6px; align-items: start;
  font-size: 13.5px; color: var(--ink-700); line-height: 1.5;
}
.feature-group li svg { margin-top: 4px; }

/* ---------------- Citations ---------------- */
.cites { background: var(--paper-2); }
[data-theme="dark"] .cites { background: var(--blue-50); }
.cites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.cite {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
  margin: 0;
  display: flex; flex-direction: column; gap: 12px;
}
.cite-quote { flex-shrink: 0; }
.cite blockquote {
  margin: 0; padding: 0;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink-900);
  letter-spacing: -0.005em;
}
.cite figcaption { color: var(--muted); }

.logo-bar {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 16px;
}
.logo-row {
  display: flex; flex-wrap: wrap; gap: 36px;
  align-items: center;
}
.logo-placeholder {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink-400);
  letter-spacing: 0.01em;
  font-weight: 500;
  transition: color 140ms;
}
.logo-placeholder:hover { color: var(--ink-700); }

/* ---------------- CTA band ---------------- */
.cta-band .cta-band-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px; align-items: center;
  padding: 48px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}
@media (max-width: 780px) { .cta-band .cta-band-inner { grid-template-columns: 1fr; padding: 32px; } }
.cta-band h2 {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.05; margin: 0 0 8px;
  font-weight: 600; letter-spacing: -0.02em;
}
.cta-band .lede { margin: 0; color: var(--muted); }
.cta-band-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
@media (max-width: 780px) { .cta-band-actions { justify-content: flex-start; } }

/* ---------------- Footer ---------------- */
.footer {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  padding: 64px 0 32px;
}
[data-theme="dark"] .footer { background: var(--blue-50); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
.footer-tag { color: var(--muted); font-size: 13px; max-width: 280px; margin: 12px 0 0; }
.footer-col ul { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-direction: column; gap: 6px; }
.footer-col li a { color: var(--ink-700); font-size: 13px; }
.footer-col li a:hover { color: var(--blue-600); }
.footer-base {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--line);
  flex-wrap: wrap; gap: 16px;
}
.footer-socials { display: flex; gap: 20px; }
.footer-socials a { color: var(--muted); font-size: 12px; }
.footer-socials a:hover { color: var(--ink-900); }

.inline-link { color: var(--blue-600); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--blue-600) 35%, transparent); text-underline-offset: 2px; }
.inline-link:hover { text-decoration-color: var(--blue-600); }

/* ---------------- Tweaks panel ---------------- */
.tweaks {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 100;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  width: 280px;
  padding: 16px;
  font-size: 12px;
  display: none;
}
body.tweaks-on .tweaks, .tweaks.always-visible { display: block; }
.tweaks h3 { margin: 0 0 12px; font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 8px; letter-spacing: -0.005em; }
.tweaks h3 .dot { width: 6px; height: 6px; border-radius: 3px; background: var(--coral); }
.tweak { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.tweak-label { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600; color: var(--muted); }
.tweak-swatches { display: flex; gap: 4px; }
.tweak-swatch {
  width: 22px; height: 22px; border-radius: 4px;
  border: 1px solid var(--line); cursor: pointer;
  transition: transform 120ms;
}
.tweak-swatch:hover { transform: scale(1.1); }
.tweak-swatch.active { outline: 2px solid var(--ink-900); outline-offset: 2px; }
.tweak-pills { display: flex; gap: 4px; flex-wrap: wrap; }
.tweak-pill {
  padding: 5px 9px; border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 11px; color: var(--ink-700);
}
.tweak-pill.active { background: var(--blue-600); color: white; border-color: var(--blue-600); }