*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg-app: #0a0f1a;
  --bg-app-mid: #0f1624;
  --bg-panel: rgba(18, 28, 42, 0.92);
  --bg-panel-solid: #141e2e;
  --bg-inset: rgba(12, 20, 32, 0.85);
  --bg-header: rgba(8, 12, 22, 0.92);
  --text: #f3ece2;
  --text-soft: #a8b4c4;
  --text-muted: #7a8799;
  --text-on-dark: #f0ebe3;
  --jade: #3ecf9a;
  --jade-soft: #6ee7b7;
  --gold: #d4a853;
  --gold-bright: #e8c06a;
  --aqua: #5ec4e8;
  --line: rgba(212, 168, 83, 0.18);
  --line-soft: rgba(120, 150, 180, 0.16);
  --glow-jade: 0 0 40px rgba(62, 207, 154, 0.12);
  --glow-gold: 0 0 36px rgba(212, 168, 83, 0.15);
  --shadow-panel: 0 1px 0 var(--line-soft), 0 12px 40px rgba(0, 0, 0, 0.45);
  --font-display: "Literata", Georgia, serif;
  --font-body: "Libre Franklin", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;
  --max: 1120px;
  --gutter: clamp(1rem, 3vw, 1.5rem);
  --header-h: 60px;
  --scroll-pad: 78px;
  --radius: 14px;
  --radius-sm: 8px;
  color-scheme: dark;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--scroll-pad);
}

section[id] {
  scroll-margin-top: var(--scroll-pad);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(ellipse 100% 60% at 50% -10%, rgba(62, 207, 154, 0.08), transparent 55%),
    radial-gradient(600px 400px at 100% 20%, rgba(94, 196, 232, 0.06), transparent 60%),
    radial-gradient(500px 350px at 0% 60%, rgba(212, 168, 83, 0.05), transparent 55%),
    linear-gradient(180deg, var(--bg-app-mid) 0%, var(--bg-app) 320px);
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--jade-soft);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--gold-bright);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--bg-panel-solid);
  color: var(--text-on-dark);
  border: 1px solid var(--line);
}

.skip-link:focus {
  left: 0;
}

.shell {
  width: min(var(--max), 100% - var(--gutter) * 2);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), var(--glow-jade);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-on-dark);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow:
    0 0 0 1px rgba(212, 168, 83, 0.4),
    0 0 14px rgba(62, 207, 154, 0.28);
}

.brand em {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
  color: var(--gold-bright);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.age-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: rgba(212, 168, 83, 0.12);
  border: 1px solid rgba(212, 168, 83, 0.35);
  color: var(--gold-bright);
}

.nav-toggle {
  display: none;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(20, 30, 46, 0.8);
  color: var(--text-on-dark);
  cursor: pointer;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.35rem;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-soft);
  padding: 0.38rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background 0.15s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
  background: rgba(62, 207, 154, 0.1);
  box-shadow: inset 0 0 0 1px rgba(62, 207, 154, 0.2);
}

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    right: var(--gutter);
    top: calc(var(--header-h) - 4px);
    flex-direction: column;
    min-width: 12rem;
    padding: 0.5rem;
    background: var(--bg-panel-solid);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-panel);
  }

  .site-nav.is-open {
    display: flex;
  }

  .header-tools {
    position: relative;
  }
}

/* Hero */
.dashboard-hero {
  padding: 1.5rem 0 0.25rem;
  position: relative;
}

.dashboard-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 70% 20%, rgba(94, 196, 232, 0.07), transparent 60%);
  pointer-events: none;
}

.dashboard-hero__shell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.dashboard-hero__intro {
  display: grid;
  gap: 1.25rem;
  align-items: stretch;
}

@media (min-width: 900px) {
  .dashboard-hero__intro {
    grid-template-columns: 1.02fr 0.98fr;
    gap: 1.5rem;
    align-items: center;
  }
}

.hero-copy {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.45rem 1.5rem;
  box-shadow: var(--shadow-panel), var(--glow-gold);
}

.hero-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.2vw, 2.1rem);
  line-height: 1.18;
  margin: 0 0 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.hero-lead {
  margin: 0 0 1rem;
  color: var(--text-soft);
  font-size: 1.02rem;
  max-width: 38em;
}

.hero-lead strong {
  color: var(--jade-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid rgba(212, 168, 83, 0.55);
  cursor: pointer;
  background: linear-gradient(135deg, var(--gold-bright) 0%, var(--gold) 55%, #b8862b 100%);
  color: #1a1208;
  box-shadow: var(--glow-gold), 0 4px 20px rgba(0, 0, 0, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  color: #120c06;
  box-shadow: var(--glow-gold), 0 6px 28px rgba(0, 0, 0, 0.45);
}

.hero-meta {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.hero-visual {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-panel), var(--glow-jade);
  background: var(--bg-inset);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: 50% 50%;
}

.page-meta {
  margin: 0 0 1.25rem;
  padding: 0 0.15rem;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.page-meta p {
  margin: 0 0 0.45rem;
}

.page-meta p:last-child {
  margin-bottom: 0;
}

.page-meta a {
  color: var(--text-soft);
}

.page-meta a:hover {
  color: var(--jade-soft);
}

.disclosure {
  margin: 1rem 0 0;
  padding: 0.65rem 0.85rem;
  font-size: 0.82rem;
  color: var(--text-soft);
  background: var(--bg-inset);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--gold);
}

/* KPI board */
.kpi-board {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.kpi-card {
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 0.95rem 1rem 1rem;
  box-shadow: var(--shadow-panel);
  transition: border-color 0.15s ease;
}

.kpi-card:hover {
  border-color: var(--line);
}

.kpi-card--wide {
  grid-column: 1 / -1;
}

.kpi-label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.kpi-value {
  margin: 0.3rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.5vw, 1.8rem);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.kpi-note {
  margin: 0.4rem 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.kpi-card--rtp {
  border-color: rgba(62, 207, 154, 0.28);
  box-shadow: var(--shadow-panel), var(--glow-jade);
}

.kpi-card--rtp .kpi-value {
  color: var(--jade-soft);
}

.kpi-card--edge .kpi-value {
  color: var(--gold-bright);
}

.kpi-card--hit .kpi-value {
  color: var(--aqua);
}

.kpi-card--vol .kpi-value {
  color: var(--text-soft);
}

.kpi-card--max {
  border-color: rgba(212, 168, 83, 0.35);
  background: linear-gradient(145deg, rgba(22, 34, 50, 0.95) 0%, rgba(14, 22, 36, 0.98) 100%);
}

.kpi-card--max .kpi-value {
  color: var(--gold-bright);
  text-shadow: 0 0 24px rgba(212, 168, 83, 0.25);
}

/* Main sections */
.main-sections {
  padding: 1.25rem 0 2.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem 1.45rem;
  box-shadow: var(--shadow-panel);
}

.panel h2 {
  font-family: var(--font-display);
  font-size: 1.38rem;
  margin: 0 0 0.75rem;
  font-weight: 600;
  color: var(--text);
}

.panel h3 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  margin: 1.15rem 0 0.45rem;
  font-weight: 600;
  color: var(--gold);
}

.panel p {
  margin: 0 0 0.85rem;
  color: var(--text-soft);
}

.panel p:last-child {
  margin-bottom: 0;
}

.panel strong {
  color: var(--text);
}

.data-table-wrap {
  overflow-x: auto;
  margin: 0.75rem 0 0.5rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: var(--bg-inset);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.data-table th,
.data-table td {
  padding: 0.6rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}

.data-table th {
  background: rgba(20, 32, 48, 0.9);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.data-table td {
  font-variant-numeric: tabular-nums;
  color: var(--text-soft);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.callout {
  margin: 0.85rem 0 0;
  padding: 0.8rem 0.95rem;
  background: rgba(62, 207, 154, 0.08);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(62, 207, 154, 0.22);
  font-size: 0.92rem;
  color: var(--text-soft);
}

.callout strong {
  color: var(--jade-soft);
}

.split-metrics {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

@media (min-width: 640px) {
  .split-metrics {
    grid-template-columns: 1fr 1fr;
  }
}

.metric-bar {
  padding: 0.7rem 0.8rem;
  background: var(--bg-inset);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-soft);
}

.metric-bar__label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  margin-bottom: 0.35rem;
  color: var(--text-soft);
}

.metric-bar__track {
  height: 7px;
  background: rgba(10, 16, 26, 0.8);
  border-radius: 99px;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px var(--line-soft);
}

.metric-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--jade) 0%, var(--aqua) 100%);
  border-radius: 99px;
}

.source-list {
  margin: 0.5rem 0 0;
  padding-left: 1.15rem;
  color: var(--text-soft);
}

.source-list li {
  margin-bottom: 0.45rem;
}

/* FAQ */
.faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.faq-item {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: var(--bg-inset);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.faq-item:hover {
  border-color: var(--line);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  font: inherit;
  font-weight: 600;
  text-align: left;
  color: var(--text);
  background: transparent;
  border: none;
  cursor: pointer;
}

.faq-q::after {
  content: "+";
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--gold);
  flex-shrink: 0;
  font-size: 1.15rem;
}

.faq-q[aria-expanded="true"]::after {
  content: "−";
  color: var(--jade-soft);
}

.faq-a {
  padding: 0 1rem 0.95rem;
  color: var(--text-soft);
}

.faq-a p {
  margin: 0;
}

/* Footer */
.site-footer {
  /* Compensate .main-sections bottom padding so FAQ → footer ≈ 32–40px */
  margin-top: -0.5rem;
  background: linear-gradient(180deg, rgba(8, 12, 22, 0.98) 0%, #060a12 100%);
  color: var(--text-muted);
  padding: 2rem 0 1.875rem;
  font-size: 0.88rem;
  border-top: 1px solid var(--line);
}

.site-footer a {
  color: var(--jade-soft);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--gold-bright);
}

.site-footer a:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 3px;
  border-radius: 2px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer-top {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.1rem;
}

@media (min-width: 701px) {
  .footer-top {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.75rem;
  }
}

.footer-brand-block {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 42.5rem;
}

.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.7rem;
}

.footer-brand {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  font-family: var(--font-display);
  letter-spacing: 0.01em;
}

.footer-desc {
  margin: 0;
  max-width: 42.5rem;
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-soft);
}

@media (min-width: 701px) {
  .footer-links {
    flex: 0 0 auto;
    flex-wrap: nowrap;
    justify-content: flex-end;
    align-self: flex-start;
    gap: 1.5rem;
    padding-top: 0.35rem;
    white-space: nowrap;
  }
}

.footer-disclaimer {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-soft);
}

.footer-disclaimer p {
  margin: 0;
  max-width: 56.25rem;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.footer-copy {
  margin: 1rem 0 0;
  font-size: 0.72rem;
  line-height: 1.4;
  color: var(--text-muted);
  opacity: 0.88;
}

@media (min-width: 701px) {
  .footer-copy {
    margin-top: 0.85rem;
    text-align: right;
  }
}

@media (max-width: 700px) {
  .site-footer {
    padding: 1.625rem 0 1.5rem;
  }

  .footer-top {
    gap: 1rem;
  }

  .footer-links {
    gap: 0.75rem 1.25rem;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}