/* ==========================================================================
   LucidRead — Landing Page Design System & Styles (WCAG AA Compliant)
   --------------------------------------------------------------------------
   Premium typography, responsive layout, dark-mode support, and micro-interactions.
   ========================================================================== */

:root {
  --lr-bg: #090d16;
  --lr-surface: #111827;
  --lr-surface-card: #1f293d;
  --lr-surface-elevated: #28354f;
  --lr-ink: #f8fafc;
  --lr-ink-dim: #94a3b8;
  --lr-primary: #ffc24d;
  --lr-primary-hover: #ffd166;
  --lr-accent: #38bdf8;
  --lr-border: rgba(255, 255, 255, 0.1);
  --lr-radius: 12px;
  --lr-font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

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

body {
  background-color: var(--lr-bg);
  color: var(--lr-ink);
  font-family: var(--lr-font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.lr-container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.lr-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--lr-border);
  padding: 16px 0;
}

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

.lr-brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--lr-ink);
}

.lr-brand-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

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

.lr-nav-links {
  display: flex;
  gap: 28px;
}

.lr-nav-links a {
  color: var(--lr-ink-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color 0.15s ease;
}

.lr-nav-links a:hover {
  color: var(--lr-ink);
}

.lr-nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.lr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.lr-btn-primary {
  background: var(--lr-primary);
  color: #111827;
  box-shadow: 0 4px 14px rgba(255, 194, 77, 0.25);
}

.lr-btn-primary:hover {
  background: var(--lr-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 194, 77, 0.35);
}

.lr-btn-outline {
  background: transparent;
  color: var(--lr-ink);
  border: 1px solid var(--lr-border);
}

.lr-btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
}

.lr-btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--lr-ink);
  border: 1px solid var(--lr-border);
}

.lr-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.lr-btn-lg {
  padding: 14px 28px;
  font-size: 16px;
  border-radius: 10px;
}

.lr-btn-block {
  width: 100%;
}

/* Hero Section */
.lr-hero {
  padding: 70px 0 60px;
  position: relative;
}

.lr-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.lr-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255, 194, 77, 0.12);
  color: #ffc24d;
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 194, 77, 0.25);
}

.lr-pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ffc24d;
  animation: pulseDot 1.8s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.lr-hero-h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.lr-gradient-text {
  background: linear-gradient(135deg, #ffc24d 0%, #ff8400 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lr-hero-lead {
  font-size: 18px;
  color: var(--lr-ink-dim);
  margin-bottom: 32px;
  line-height: 1.6;
}

.lr-hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 32px;
}

.lr-hero-trust {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--lr-ink-dim);
}

.lr-stars {
  color: #ffc24d;
  font-size: 15px;
  letter-spacing: 2px;
}

/* Hero Widget */
.lr-hero-widget {
  background: var(--lr-surface-card);
  border: 1px solid var(--lr-border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.lr-widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--lr-border);
}

.lr-badge-live {
  background: #10b981;
  color: #ffffff;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  margin-right: 8px;
}

.lr-widget-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 16px 0;
  font-size: 13px;
}

.lr-intensity-group {
  display: flex;
  background: var(--lr-surface);
  border-radius: 6px;
  padding: 2px;
}

.lr-int-btn {
  background: none;
  border: none;
  color: var(--lr-ink-dim);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
}

.lr-int-btn.is-active {
  background: var(--lr-surface-elevated);
  color: var(--lr-primary);
}

.lr-widget-canvas {
  background: var(--lr-surface);
  border: 1px solid var(--lr-border);
  border-radius: 10px;
  padding: 16px;
  font-size: 15px;
  line-height: 1.8;
  min-height: 160px;
  color: #e2e8f0;
}

.lr-widget-canvas b.lr-f {
  color: #ffc24d;
  font-weight: 800;
}

.lr-widget-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  font-size: 12px;
  color: var(--lr-ink-dim);
}

/* Switch Mini */
.lr-switch-mini {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  cursor: pointer;
}

.lr-switch-mini input {
  opacity: 0;
  width: 0;
  height: 0;
}

.lr-switch-mini-track {
  position: absolute;
  inset: 0;
  background: #475569;
  border-radius: 20px;
  transition: all 0.2s ease;
}

.lr-switch-mini-track::before {
  content: '';
  position: absolute;
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background: #ffffff;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.lr-switch-mini input:checked + .lr-switch-mini-track {
  background: var(--lr-primary);
}

.lr-switch-mini input:checked + .lr-switch-mini-track::before {
  transform: translateX(16px);
  background: #111827;
}

/* Comparison Section */
.lr-section {
  padding: 80px 0;
}

.lr-section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.lr-section-title {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.lr-section-subtitle {
  font-size: 16px;
  color: var(--lr-ink-dim);
}

.lr-compare-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.lr-compare-box {
  background: var(--lr-surface-card);
  border: 1px solid var(--lr-border);
  border-radius: 16px;
  padding: 24px;
  position: relative;
}

.lr-box-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.lr-badge-bad {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.lr-badge-good {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.lr-chaos-mock {
  background: #ffffff;
  color: #1e293b;
  border-radius: 10px;
  padding: 16px;
  min-height: 220px;
  position: relative;
}

.lr-mock-ad {
  background: #fee2e2;
  color: #b91c1c;
  font-size: 11px;
  font-weight: 700;
  padding: 8px;
  border-radius: 4px;
  margin-bottom: 12px;
  text-align: center;
}

.lr-mock-dense-row {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 12px;
}

.lr-m-line {
  height: 8px;
  background: #cbd5e1;
  border-radius: 4px;
  margin-bottom: 8px;
}

.lr-m-side-box {
  background: #f1f5f9;
  border: 1px dashed #94a3b8;
  font-size: 10px;
  padding: 8px;
  text-align: center;
  margin-bottom: 6px;
}

.lr-chaos-footer {
  margin-top: 14px;
  font-size: 11px;
  color: #dc2626;
  font-weight: 600;
}

.lr-clean-mock {
  background: #fbf0d9;
  color: #3b2f20;
  border-radius: 10px;
  padding: 20px;
  min-height: 220px;
  position: relative;
}

.lr-ruler-mock-bar {
  height: 32px;
  background: rgba(255, 194, 77, 0.22);
  border-top: 2px solid rgba(255, 194, 77, 0.9);
  border-bottom: 2px solid rgba(255, 194, 77, 0.9);
  position: absolute;
  left: 0;
  right: 0;
  top: 70px;
  pointer-events: none;
}

.lr-clean-head {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.lr-clean-p {
  font-size: 15px;
  line-height: 1.8;
}

.lr-clean-p b.lr-f {
  color: #b45309;
}

.lr-clean-footer {
  margin-top: 20px;
  font-size: 11px;
  color: #047857;
  font-weight: 700;
}

/* Feature Grid */
.lr-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.lr-feature-card {
  background: var(--lr-surface);
  border: 1px solid var(--lr-border);
  border-radius: 14px;
  padding: 28px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.lr-feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 194, 77, 0.35);
}

.lr-f-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 18px;
}

.lr-f-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.lr-f-desc {
  font-size: 14px;
  color: var(--lr-ink-dim);
  line-height: 1.6;
}

/* Science Grid */
.lr-science-section {
  background: var(--lr-surface);
  border-top: 1px solid var(--lr-border);
  border-bottom: 1px solid var(--lr-border);
}

.lr-science-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.lr-science-item {
  padding: 24px;
  background: var(--lr-surface-card);
  border-radius: 12px;
  border: 1px solid var(--lr-border);
}

.lr-sci-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--lr-primary);
  margin-bottom: 8px;
}

.lr-science-item h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.lr-science-item p {
  font-size: 13.5px;
  color: var(--lr-ink-dim);
}

/* Pricing Grid */
.lr-pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 860px;
  margin: 0 auto;
}

.lr-price-card {
  background: var(--lr-surface-card);
  border: 1px solid var(--lr-border);
  border-radius: 16px;
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.lr-price-featured {
  border-color: #ffc24d;
  box-shadow: 0 10px 30px rgba(255, 194, 77, 0.15);
  background: linear-gradient(180deg, #1f2d48 0%, #151d2f 100%);
}

.lr-featured-ribbon {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--lr-primary);
  color: #111827;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 12px;
}

.lr-price-name {
  font-size: 22px;
  font-weight: 800;
}

.lr-price-desc {
  font-size: 13px;
  color: var(--lr-ink-dim);
  margin-top: 4px;
}

.lr-price-val {
  font-size: 38px;
  font-weight: 800;
  margin: 20px 0 6px;
}

.lr-price-val span {
  font-size: 15px;
  font-weight: 500;
  color: var(--lr-ink-dim);
}

.lr-price-annual {
  font-size: 12px;
  color: var(--lr-accent);
  display: block;
  margin-bottom: 20px;
}

.lr-price-features {
  list-style: none;
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  flex: 1;
}

.lr-price-features li {
  color: #e2e8f0;
}

.lr-secure-notice {
  text-align: center;
  font-size: 11px;
  color: var(--lr-ink-dim);
  margin-top: 12px;
}

/* FAQ */
.lr-faq-container {
  max-width: 740px;
}

.lr-faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.lr-faq-item {
  background: var(--lr-surface-card);
  border: 1px solid var(--lr-border);
  border-radius: 10px;
  padding: 16px 20px;
}

.lr-faq-q {
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  outline: none;
}

.lr-faq-a {
  margin-top: 12px;
  font-size: 14px;
  color: var(--lr-ink-dim);
  line-height: 1.6;
}

/* Footer */
.lr-footer {
  border-top: 1px solid var(--lr-border);
  padding: 50px 0 30px;
  background: #060910;
}

.lr-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.lr-footer-p {
  font-size: 13px;
  color: var(--lr-ink-dim);
  margin-top: 6px;
}

.lr-footer-links {
  display: flex;
  gap: 20px;
}

.lr-footer-links a {
  color: var(--lr-ink-dim);
  font-size: 13px;
  text-decoration: none;
}

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

.lr-footer-bottom {
  text-align: center;
  font-size: 12px;
  color: #64748b;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
}

/* Modal */
.lr-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lr-modal-backdrop[hidden] {
  display: none !important;
}

.lr-modal-card {
  background: var(--lr-surface-card);
  border: 1px solid var(--lr-border);
  border-radius: 14px;
  max-width: 420px;
  width: 100%;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.lr-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.lr-modal-x {
  background: none;
  border: none;
  color: var(--lr-ink-dim);
  font-size: 18px;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 900px) {
  .lr-hero-grid,
  .lr-compare-cards,
  .lr-features-grid,
  .lr-science-grid,
  .lr-pricing-grid {
    grid-template-columns: 1fr;
  }
  .lr-hero-h1 {
    font-size: 34px;
  }
  .lr-nav-links {
    display: none;
  }
}