DocNest/frontend/src/pages/LandingPage.css

/* Landing Page Styles */

.landing-page {
  min-height: 100vh;
  color: hsl(var(--text-primary));
  background: hsl(var(--background));
}

.landing-theme-toggle {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 20;
}

/* ========================================
   Hero Section
   ======================================== */

.landing-hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 2rem 5rem;
  background: var(--gradient-hero);
}

.hero-gem svg {
  opacity: 0.18;
  filter: drop-shadow(0 10px 20px rgba(15, 23, 42, 0.2));
}

.hero-grid {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  text-align: left;
}

.hero-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: hsl(var(--surface));
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.hero-logo-icon {
  width: 28px;
  height: 28px;
  image-rendering: pixelated;
}

.hero-brand {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: hsl(var(--text-secondary));
}

.hero-headline {
  font-size: 2.75rem;
  font-weight: 700;
  color: hsl(var(--text-primary));
  margin: 0 0 1.25rem 0;
  line-height: 1.1;
}

.hero-tagline {
  font-size: 1.1rem;
  color: hsl(var(--text-secondary));
  margin: 0 0 2rem 0;
  line-height: 1.7;
}

.hero-login-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-note {
  font-size: 0.9rem;
  color: hsl(var(--text-muted));
  margin: 0;
}

.provider-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.landing-login-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0.9rem 1.4rem;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-md);
  background: hsl(var(--surface));
  color: hsl(var(--text-primary));
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.landing-login-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.landing-login-button.primary {
  background: var(--gradient-accent);
  color: white;
  border: none;
  gap: 12px;
}

.landing-login-button.primary:hover {
  filter: brightness(0.98);
}

.landing-login-button.provider {
  background: hsl(var(--surface));
}

.landing-login-button.large {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.oauth-icon {
  flex-shrink: 0;
}

.hero-mock {
  background: hsl(var(--surface));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.mock-topbar {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--surface-muted));
}

.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: hsl(var(--border));
}

.mock-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mock-tabs {
  display: flex;
  gap: 12px;
  font-size: 0.85rem;
  color: hsl(var(--text-muted));
}

.mock-tab {
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
}

.mock-tab.active {
  color: hsl(var(--text-primary));
  border-bottom-color: hsl(var(--primary));
  font-weight: 600;
}

.mock-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.mock-card {
  background: hsl(var(--surface-muted));
  border-radius: var(--radius-md);
  padding: 14px;
  border: 1px solid hsl(var(--border));
}

.mock-line {
  height: 8px;
  background: hsl(var(--border));
  border-radius: 999px;
  margin-bottom: 8px;
}

.mock-line.wide {
  width: 90%;
}

.mock-line.short {
  width: 55%;
  margin-bottom: 0;
}

.mock-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mock-row {
  display: grid;
  grid-template-columns: 24px 1fr 80px;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid hsl(var(--border));
}

.mock-pill {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: hsl(var(--secondary));
}

/* ========================================
   Features Section
   ======================================== */

.landing-features {
  padding: 5rem 2rem;
  background: hsl(var(--background));
}

.section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 2rem;
  background: hsl(var(--background));
  max-width: 1200px;
  margin: 0 auto;
  height: 32px;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: hsl(var(--border));
}

.section-title {
  text-align: center;
  font-size: 2.25rem;
  font-weight: 700;
  color: hsl(var(--text-primary));
  margin: 0 0 3rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: hsl(var(--surface));
  padding: 2rem;
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: left;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: hsl(var(--surface-muted));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border: 1px solid hsl(var(--border));
}

.feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: hsl(var(--text-primary));
  margin: 0 0 0.6rem 0;
}

.feature-description {
  font-size: 1rem;
  color: hsl(var(--text-secondary));
  margin: 0;
  line-height: 1.6;
}

/* ========================================
   Footer Section
   ======================================== */

.landing-footer {
  padding: 4.5rem 2rem;
  background: hsl(var(--surface-muted));
  border-top: 1px solid hsl(var(--border));
}

.footer-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.footer-headline {
  font-size: 1.9rem;
  font-weight: 700;
  color: hsl(var(--text-primary));
  margin: 0 0 0.75rem 0;
}

.footer-tagline {
  font-size: 1.05rem;
  color: hsl(var(--text-secondary));
  margin: 0 0 2rem 0;
}

.footer-login-buttons {
  display: flex;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.footer-tech {
  font-size: 0.9rem;
  color: hsl(var(--text-muted));
  margin: 0;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (min-width: 768px) {
  .hero-headline {
    font-size: 3.25rem;
  }

  .hero-tagline {
    font-size: 1.2rem;
  }

  .provider-buttons {
    flex-direction: row;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-title {
    font-size: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-login-button,
  .feature-card {
    transition: none;
  }
}