/* ════════════════════════════════════════════════════════════
   Landing Page — Public home page at /
   ════════════════════════════════════════════════════════════ */

/* ── Page body ── */
.landing-page {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
.landing-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(17, 24, 39, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.landing-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.landing-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  transition: color 0.15s ease;
}

.landing-logo:hover {
  color: var(--accent);
  text-decoration: none;
}

.landing-logo-icon {
  width: 26px;
  height: 26px;
  border-radius: 5px;
}

.landing-logo-text {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.landing-header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.landing-nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

.landing-nav-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 6px 16px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  transition: background 0.15s ease, color 0.15s ease;
}

.landing-nav-cta:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

.landing-theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.landing-theme-toggle:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* ── Main ── */
.landing-main {
  flex: 1;
}

/* ── Hero ── */
.landing-hero {
  padding: 80px 32px 60px;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(56, 189, 248, 0.08), transparent),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(34, 211, 238, 0.05), transparent);
}

.landing-hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.landing-hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 20px;
  padding: 5px 16px;
  margin-bottom: 24px;
}

.landing-hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-bright);
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

.landing-hero-subtitle {
  font-size: 18px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0 auto 36px;
  max-width: 560px;
}

.landing-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.landing-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
  cursor: pointer;
}

.landing-btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.landing-btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(56, 189, 248, 0.25);
}

.landing-btn-primary:hover {
  background: #0ea5e9;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.35);
}

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

.landing-btn-secondary:hover {
  border-color: var(--hover-border);
  background: rgba(255, 255, 255, 0.03);
}

/* ── Features ── */
.landing-features {
  padding: 40px 32px 80px;
}

.landing-features-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.landing-feature-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

.landing-feature-card:hover {
  border-color: var(--hover-border);
  transform: translateY(-2px);
}

.landing-feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(56, 189, 248, 0.1);
  border-radius: 10px;
  margin-bottom: 16px;
  color: var(--accent);
}

.landing-feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-bright);
  margin: 0 0 8px;
}

.landing-feature-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}

/* ── Footer ── */
.landing-footer {
  border-top: 1px solid var(--border);
  background: var(--panel);
  padding: 24px 32px;
  flex-shrink: 0;
}

.landing-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.landing-footer-copy {
  font-size: 13px;
  color: var(--muted);
}

.landing-footer-links {
  display: flex;
  gap: 24px;
}

.landing-footer-links a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* ── Responsive ── */
@media (max-width: 900px) {
  .landing-features-inner {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .landing-header-inner {
    padding: 0 16px;
  }

  .landing-header-nav {
    gap: 12px;
  }

  .landing-nav-link {
    display: none;
  }

  .landing-hero {
    padding: 48px 16px 40px;
  }

  .landing-hero-title {
    font-size: 32px;
  }

  .landing-hero-subtitle {
    font-size: 15px;
  }

  .landing-btn {
    font-size: 14px;
    padding: 10px 20px;
  }

  .landing-features {
    padding: 24px 16px 48px;
  }

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

  .landing-footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ════════════════════════════════════════════════════════════
   Light Theme Overrides
   ════════════════════════════════════════════════════════════ */
[data-theme="light"] .landing-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--border);
}

[data-theme="light"] .landing-logo-text {
  color: #0f172a;
}

[data-theme="light"] .landing-nav-cta:hover {
  color: #fff;
}

[data-theme="light"] .landing-hero {
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(2, 132, 199, 0.06), transparent),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(8, 145, 178, 0.04), transparent);
}

[data-theme="light"] .landing-hero-badge {
  background: rgba(2, 132, 199, 0.08);
  border-color: rgba(2, 132, 199, 0.18);
}

[data-theme="light"] .landing-hero-title {
  color: #0f172a;
}

[data-theme="light"] .landing-feature-card {
  background: #fff;
  border-color: var(--border);
}

[data-theme="light"] .landing-feature-card:hover {
  border-color: var(--hover-border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .landing-feature-icon {
  background: rgba(2, 132, 199, 0.08);
}

[data-theme="light"] .landing-feature-card h3 {
  color: #0f172a;
}

[data-theme="light"] .landing-btn-primary {
  box-shadow: 0 2px 12px rgba(2, 132, 199, 0.2);
}

[data-theme="light"] .landing-btn-primary:hover {
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.3);
}

[data-theme="light"] .landing-btn-secondary {
  color: var(--text);
}

[data-theme="light"] .landing-btn-secondary:hover {
  background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .landing-footer {
  background: #f8fafc;
  border-top-color: var(--border);
}