/* ==========================================================================
   VerseAI Landing Page Styles
   Matching customer chat page theme — deep cosmic obsidian & radiant blue glow.
   No emojis. High contrast, crisp typography.
   ========================================================================== */

.landing-page {
  background-color: #06080e;
  background-image: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.14) 0%, rgba(6, 8, 14, 0) 60%),
                    radial-gradient(circle at 80% 80%, rgba(29, 78, 216, 0.08) 0%, rgba(6, 8, 14, 0) 50%);
  color: #f8fafc;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.l-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 28px;
}

/* Nav */
.l-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(6, 8, 14, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.l-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.l-nav-left {
  display: flex;
  align-items: center;
  gap: 36px;
}

.l-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.l-brand-emblem-img {
  width: 26px;
  height: 26px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.7));
}

.v-text-verge {
  color: #ffffff;
  font-weight: 700;
}

.v-text-ai {
  color: #3b82f6;
  font-weight: 700;
  margin-left: 1px;
}

.l-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

@media (max-width: 768px) {
  .l-nav-links {
    display: none;
  }
}

.l-link {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.l-link:hover {
  color: #ffffff;
}

.l-nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.l-btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #ffffff;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 9px 16px;
  border-radius: 9999px;
  transition: background-color 0.15s ease;
}

.l-btn-text:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

.l-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background-color: #3b82f6;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  padding: 9px 22px;
  border-radius: 9999px;
  box-shadow: 0 0 14px rgba(37, 99, 235, 0.45);
  transition: all 0.15s ease;
}

.l-btn-primary:hover {
  background-color: #2563eb;
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.65);
}

.l-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #cbd5e1;
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  padding: 9px 18px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.15s ease;
}

.l-btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
}

/* Hero Section */
.l-hero-section {
  padding: 84px 0 60px 0;
}

.l-hero-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

.l-hero-title {
  font-size: 3.8rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: #ffffff;
  margin: 0 0 24px 0;
}

@media (max-width: 768px) {
  .l-hero-title {
    font-size: 2.5rem;
  }
}

.l-hero-tagline {
  font-size: 1.25rem;
  line-height: 1.55;
  color: #cbd5e1;
  max-width: 780px;
  margin: 0 0 36px 0;
  font-weight: 400;
}

.l-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.l-cta-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #3b82f6;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 12px 26px;
  border-radius: 9999px;
  box-shadow: 0 0 18px rgba(37, 99, 235, 0.5);
  transition: all 0.15s ease;
}

.l-cta-white:hover {
  background-color: #2563eb;
  transform: translateY(-1px);
  box-shadow: 0 0 26px rgba(37, 99, 235, 0.7);
}

.l-cta-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all 0.15s ease;
}

.l-cta-ghost:hover {
  background-color: rgba(255, 255, 255, 0.09);
  border-color: rgba(59, 130, 246, 0.4);
}

/* Announcement Card matching chat theme */
.l-announcement-card {
  background-color: #0b1220;
  border: 1px solid rgba(59, 130, 246, 0.25);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(37, 99, 235, 0.1);
  border-radius: 12px;
  padding: 24px 28px;
  margin-bottom: 32px;
}

.l-announcement-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: #f1f5f9;
  font-size: 0.98rem;
  line-height: 1.5;
  margin-bottom: 20px;
}

.l-announcement-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: #3b82f6;
}

.l-announcement-links {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.l-announcement-label {
  font-size: 0.85rem;
  color: #94a3b8;
  font-weight: 500;
}

.l-announcement-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #93c5fd;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.l-announcement-action:hover {
  color: #ffffff;
}

/* Media bar matching screenshot */
.l-media-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background-color: #0b1220;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  max-width: 480px;
}

.l-media-play {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
}

.l-media-duration {
  color: #64748b;
  font-size: 0.8rem;
  margin-left: 6px;
}

.l-media-share {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 0.88rem;
  cursor: pointer;
  transition: color 0.15s ease;
}

.l-media-share:hover {
  color: #ffffff;
}

/* Sections */
.l-section {
  padding: 80px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.l-section-dark {
  background-color: #070a12;
}

.l-section-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #3b82f6;
  margin-bottom: 12px;
}

.l-section-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin: 0 0 14px 0;
}

.l-section-subtitle {
  font-size: 1.05rem;
  color: #94a3b8;
  max-width: 680px;
  margin: 0 0 40px 0;
}

/* Prompt Grid (Moved from sidebar to landing page) */
.l-prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.l-prompt-card {
  display: flex;
  flex-direction: column;
  background-color: #0b1220;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 22px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.l-prompt-card:hover {
  background-color: #0f182c;
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 14px rgba(37, 99, 235, 0.15);
}

.l-prompt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  color: #94a3b8;
}

.l-prompt-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #3b82f6;
}

.l-prompt-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.l-prompt-desc {
  font-size: 0.88rem;
  color: #94a3b8;
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}

.l-prompt-cta {
  font-size: 0.84rem;
  font-weight: 600;
  color: #3b82f6;
  display: inline-flex;
  align-items: center;
}

/* Models Grid */
.l-models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 24px;
}

@media (max-width: 640px) {
  .l-models-grid {
    grid-template-columns: 1fr;
  }
}

.l-model-card {
  background-color: #0b1220;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 28px;
}

.l-model-free {
  border-color: rgba(59, 130, 246, 0.35);
}

.l-model-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.l-model-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
}

.l-tier-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.l-tier-free {
  background-color: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.l-tier-pro {
  background-color: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.l-model-provider {
  font-size: 0.82rem;
  color: #64748b;
  font-family: monospace;
  margin-bottom: 14px;
}

.l-model-body {
  font-size: 0.92rem;
  color: #cbd5e1;
  line-height: 1.55;
  margin-bottom: 20px;
}

.l-model-specs {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.l-model-specs li {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #94a3b8;
}

.l-model-specs li strong {
  color: #ffffff;
}

/* Two-column layout matching OpenAI article lower layout */
.l-grid-cols {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 60px;
}

@media (max-width: 800px) {
  .l-grid-cols {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.l-col-header {
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #ffffff;
  font-weight: 600;
  margin: 0 0 10px 0;
}

.l-col-text {
  font-size: 0.9rem;
  color: #94a3b8;
  line-height: 1.5;
  margin: 0;
}

.l-col-title {
  font-size: 2rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.03em;
  margin: 0 0 18px 0;
}

.l-col-body {
  font-size: 1.05rem;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 16px;
}

.l-feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}

.l-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.5;
}

.l-feature-item svg {
  color: #3b82f6;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Footer */
.l-footer {
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background-color: #06080e;
}

.l-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.l-footer-copy {
  font-size: 0.85rem;
  color: #64748b;
  margin: 8px 0 0 0;
}

.l-footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.l-footer-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.15s ease;
}

.l-footer-links a:hover {
  color: #ffffff;
}