/* ============================================
   HINCMAR — Landing Page Styles
   ============================================ */

/* ── Navigation ── */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-4) 0;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.landing-nav.scrolled {
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--text-xl);
}

.logo-icon {
  color: var(--accent-primary);
  font-size: var(--text-2xl);
}

.logo-text {
  letter-spacing: var(--tracking-tight);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  background: var(--accent-primary);
  color: white;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.nav-btn:hover {
  background: var(--accent-primary-dark);
  box-shadow: var(--shadow-glow);
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav-mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  border: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-primary-dark);
  box-shadow: var(--shadow-glow-strong);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.btn-ghost:hover {
  background: var(--surface-1);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-default);
}

.btn-outline:hover {
  background: var(--surface-1);
  border-color: var(--accent-primary);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-xl);
}

.btn-full {
  width: 100%;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-32) 0 var(--space-20);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: var(--accent-primary);
  top: -200px;
  right: -100px;
  opacity: 0.12;
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: #8b5cf6;
  bottom: -100px;
  left: -50px;
  opacity: 0.08;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--accent-primary-light);
  background: var(--accent-primary-glow);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-8);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, var(--text-6xl));
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-6);
}

.hero-highlight {
  background: linear-gradient(135deg, var(--accent-primary-light), #a78bfa, var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 600px;
  margin: 0 auto var(--space-10);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-default);
}

/* ── Section Common ── */
.section {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, var(--text-4xl));
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.overline {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--accent-primary-light);
  margin-bottom: var(--space-4);
}

.text-accent {
  color: var(--accent-primary-light);
}

/* ── Core Message ── */
.section-message {
  padding: var(--space-20) 0;
}

.message-block {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.message-heading {
  font-size: clamp(1.5rem, 3.5vw, var(--text-3xl));
  font-weight: 700;
  line-height: var(--leading-snug);
  margin-bottom: var(--space-6);
}

.message-body {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── Drift Section ── */
.drift-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.drift-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 340px;
}

.drift-rings {
  position: relative;
  width: 240px;
  height: 240px;
}

.drift-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.drift-ring-1 {
  width: 240px;
  height: 240px;
  border-color: var(--status-cold-border);
  animation: pulse 4s ease-in-out infinite;
}

.drift-ring-2 {
  width: 160px;
  height: 160px;
  border-color: var(--status-cooling-border);
  animation: pulse 3s ease-in-out infinite 0.5s;
}

.drift-ring-3 {
  width: 80px;
  height: 80px;
  border-color: var(--status-warm-border);
  animation: pulse 2s ease-in-out infinite 1s;
}

.drift-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-primary);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.drift-heading {
  font-size: clamp(1.5rem, 3.5vw, var(--text-3xl));
  font-weight: 700;
  line-height: var(--leading-snug);
  margin-bottom: var(--space-6);
}

.drift-body {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── Features ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-default);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card-highlight {
  border-color: var(--border-accent);
  background: rgba(59, 130, 246, 0.05);
}

.feature-card-highlight:hover {
  box-shadow: var(--shadow-glow);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.feature-icon-detect {
  background: rgba(139, 92, 246, 0.12);
  color: #a78bfa;
}

.feature-icon-interpret {
  background: var(--accent-primary-glow);
  color: var(--accent-primary-light);
}

.feature-icon-recommend {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.feature-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.feature-list li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding-left: var(--space-5);
  position: relative;
}

.feature-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-primary-light);
  font-weight: 600;
}

/* ── Signature Feature ── */
.section-signature {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.signature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.signature-badge {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--status-warm);
  background: var(--status-warm-bg);
  border: 1px solid var(--status-warm-border);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}

.signature-heading {
  font-size: clamp(1.5rem, 3vw, var(--text-3xl));
  font-weight: 800;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-5);
}

.signature-body {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.signature-indicators {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.indicator {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.indicator-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.indicator-warm { background: var(--status-warm); }
.indicator-cooling { background: var(--status-cooling); }
.indicator-cold { background: var(--status-cold); }

.signature-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sig-card {
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.sig-card:hover {
  transform: translateX(8px);
  border-color: var(--border-default);
}

.sig-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.sig-status {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.sig-warm {
  color: var(--status-warm);
  background: var(--status-warm-bg);
}

.sig-cooling {
  color: var(--status-cooling);
  background: var(--status-cooling-bg);
}

.sig-cold {
  color: var(--status-cold);
  background: var(--status-cold-bg);
}

.sig-score {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.sig-name {
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.sig-role {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.sig-alert {
  font-size: var(--text-xs);
  color: var(--status-cooling);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border-subtle);
}

.sig-alert-critical {
  color: var(--status-cold);
}

/* ── Anti-AI Section ── */
.section-anti-ai {
  background: var(--bg-primary);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-6);
  align-items: start;
  max-width: 900px;
  margin: 0 auto var(--space-12);
}

.comparison-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
}

.comparison-hincmar {
  border-color: var(--border-accent);
  background: rgba(59, 130, 246, 0.05);
  position: relative;
  overflow: hidden;
}

.comparison-highlight {
  position: absolute;
  top: 0;
  right: 0;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  padding: var(--space-2) var(--space-4);
  background: var(--accent-primary);
  color: white;
  border-radius: 0 var(--radius-xl) 0 var(--radius-lg);
}

.comparison-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.comparison-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.comparison-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: var(--text-xs);
  flex-shrink: 0;
}

.comparison-icon-neutral {
  background: var(--surface-2);
  color: var(--text-tertiary);
}

.comparison-icon-check {
  background: rgba(16, 185, 129, 0.15);
  color: var(--status-warm);
}

.comparison-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--space-16);
}

.comparison-vs span {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.anti-ai-statement {
  text-align: center;
  font-size: var(--text-xl);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.anti-ai-statement strong {
  color: var(--text-primary);
}

/* ── Pricing ── */
.section-pricing {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.toggle-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.toggle-label.active {
  color: var(--text-primary);
}

.toggle-save {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--status-warm);
  background: var(--status-warm-bg);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
}

.toggle-switch {
  width: 48px;
  height: 26px;
  border-radius: var(--radius-full);
  background: var(--surface-2);
  border: 1px solid var(--border-default);
  position: relative;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toggle-switch.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary-dark);
}

.toggle-knob {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  top: 2px;
  left: 2px;
  transition: transform var(--transition-spring);
  box-shadow: var(--shadow-sm);
}

.toggle-switch.active .toggle-knob {
  transform: translateX(22px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card-highlight {
  border-color: var(--border-accent);
  background: rgba(59, 130, 246, 0.05);
  transform: scale(1.03);
}

.pricing-card-highlight:hover {
  transform: scale(1.03) translateY(-4px);
  box-shadow: var(--shadow-glow-strong);
}

.pricing-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  padding: var(--space-1) var(--space-4);
  background: var(--accent-primary);
  color: white;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-card-header {
  margin-bottom: var(--space-6);
}

.pricing-plan {
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-bottom: var(--space-1);
}

.pricing-desc {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.pricing-price {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
}

.price-amount {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
}

.price-period {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-left: var(--space-1);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex: 1;
}

.pricing-features li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding-left: var(--space-6);
  position: relative;
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--status-warm);
  font-weight: 700;
}

/* ── Footer ── */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-12);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-3);
}

.footer-links {
  display: flex;
  gap: var(--space-16);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.footer-data-note {
  color: var(--status-warm);
  font-weight: 500;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-mobile-toggle {
    display: flex;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
    gap: var(--space-4);
    z-index: var(--z-dropdown);
  }

  .hero {
    padding: var(--space-24) 0 var(--space-16);
    min-height: auto;
  }

  .hero-title {
    font-size: var(--text-3xl);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-4);
  }

  .hero-stat-divider {
    width: 40px;
    height: 1px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .drift-block {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .drift-visual {
    height: 200px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .signature-block {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .comparison-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .comparison-vs {
    padding: 0;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .pricing-card-highlight {
    transform: none;
  }

  .pricing-card-highlight:hover {
    transform: translateY(-4px);
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--space-8);
  }

  .footer-links {
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
}