/* ============================================
   Landing Page Styles
   Extends the bioluminescent design system
   ============================================ */

/* Reuse the same design tokens as the simulator */
:root {
  --bg-deep: #0a0e1a;
  --bg-panel: #0f1526;
  --bg-card: #141b2d;
  --bg-hover: #1a2340;
  --border: #1e2a4a;
  --border-glow: #2a4a8a;

  --cyan: #00e5ff;
  --cyan-dim: #0088aa;
  --cyan-glow: rgba(0, 229, 255, 0.3);
  --amber: #ffb300;
  --amber-dim: #aa7700;
  --amber-glow: rgba(255, 179, 0, 0.3);
  --purple: #b388ff;
  --purple-dim: #7c4dff;
  --purple-glow: rgba(179, 136, 255, 0.3);
  --green: #69f0ae;
  --green-dim: #2e7d32;
  --red: #ff5252;
  --red-dim: #c62828;
  --pink: #ff80ab;

  --text: #e0e6f0;
  --text-dim: #8899bb;
  --text-muted: #556688;

  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius: 8px;
  --radius-lg: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Container ---- */
.landing-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.3;
}

.hero .tagline {
  color: var(--text-dim);
  font-size: 1rem;
  margin-top: 0.8rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary:hover {
  background: rgba(0, 229, 255, 0.2);
  box-shadow: 0 0 16px var(--cyan-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--border-glow);
  color: var(--cyan);
}

/* ---- Sections ---- */
.section {
  margin-top: 3rem;
}

.section-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.section p {
  color: var(--text-dim);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

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

.highlight {
  color: var(--amber);
  font-weight: 500;
}

.emphasis {
  color: var(--cyan);
  font-weight: 500;
}

/* ---- Is / Is Not Grid ---- */
.is-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.is-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
}

.is-card h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
}

.is-card.yes h3 {
  color: var(--green);
}

.is-card.no h3 {
  color: var(--red);
}

.is-card ul {
  list-style: none;
  padding: 0;
}

.is-card li {
  font-size: 0.85rem;
  color: var(--text-dim);
  padding: 0.3rem 0;
  padding-left: 1.2rem;
  position: relative;
  line-height: 1.5;
}

.is-card.yes li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

.is-card.no li::before {
  content: "\2717";
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 700;
}

/* ---- Quote Block ---- */
.callout {
  background: var(--bg-card);
  border-left: 3px solid var(--cyan);
  padding: 1rem 1.2rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--text);
  font-size: 0.95rem;
}

/* ---- Panels Preview ---- */
.panels-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-top: 1rem;
}

.panel-preview {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
}

.panel-preview .panel-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.panel-preview h4 {
  font-size: 0.85rem;
  color: var(--cyan);
  margin: 0.2rem 0 0.3rem;
}

.panel-preview p {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0;
  line-height: 1.5;
}

.panel-preview.full-width {
  grid-column: 1 / -1;
}

/* ---- Results Table ---- */
.results-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.85rem;
}

.results-table th {
  text-align: left;
  padding: 0.6rem 0.8rem;
  color: var(--text-dim);
  font-weight: 500;
  border-bottom: 2px solid var(--border);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.results-table td {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid rgba(30, 42, 74, 0.5);
  color: var(--text);
}

.results-table tr:hover td {
  background: rgba(0, 229, 255, 0.03);
}

.results-table .hypo-id-col {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ---- Verdict Badges (reused from simulator) ---- */
.verdict-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 500;
  white-space: nowrap;
}

.verdict-badge.plausible {
  background: rgba(100, 200, 255, 0.15);
  color: #64c8ff;
  border: 1px solid rgba(100, 200, 255, 0.3);
}

.verdict-badge.falsified {
  background: rgba(255, 82, 82, 0.15);
  color: var(--red);
  border: 1px solid rgba(255, 82, 82, 0.3);
}

.verdict-badge.consistent {
  background: rgba(158, 158, 158, 0.15);
  color: #9e9e9e;
  border: 1px solid rgba(158, 158, 158, 0.3);
}

.verdict-badge.inconclusive {
  background: rgba(255, 179, 0, 0.15);
  color: var(--amber);
  border: 1px solid rgba(255, 179, 0, 0.3);
}

.verdict-badge.unvalidated {
  background: rgba(206, 147, 216, 0.15);
  color: #ce93d8;
  border: 1px solid rgba(206, 147, 216, 0.3);
}

/* ---- Meta Highlights ---- */
.meta-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 1rem;
}

.meta-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.meta-card .meta-value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.meta-card .meta-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.4;
}

.meta-card.good .meta-value { color: var(--green); }
.meta-card.warn .meta-value { color: var(--amber); }
.meta-card.bad .meta-value { color: var(--red); }

/* ---- Hypothesis Guide Cards ---- */
.hypo-guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  margin-top: 1rem;
}

.hypo-guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
}

.hypo-guide-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.hypo-guide-header .hg-id {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.hypo-guide-header h4 {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 600;
  flex: 1;
}

.hypo-guide-card p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin: 0;
  line-height: 1.6;
}

.hypo-guide-card .hg-test {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hypo-guide-card .hg-test strong {
  color: var(--text-dim);
  font-weight: 500;
}

/* ---- Credits ---- */
.credits-section {
  margin-top: 3rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.credits-section h3 {
  font-size: 1rem;
  color: var(--cyan);
  margin-bottom: 0.8rem;
}

.references-list {
  list-style: none;
  padding: 0;
}

.references-list li {
  font-size: 0.8rem;
  color: var(--text-dim);
  padding: 0.3rem 0;
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.5;
}

.references-list li::before {
  content: attr(data-num);
  position: absolute;
  left: 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

/* ---- Footer ---- */
.landing-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--cyan);
}

.footer-license {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .hero h1 { font-size: 1.6rem; }
  .is-grid { grid-template-columns: 1fr; }
  .panels-grid { grid-template-columns: 1fr; }
  .meta-highlights { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
}

/* ---- Scrollbar (match simulator) ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-glow); }