/* ========================================================================= */
/* CSS/LANDING.CSS - Smart Notes Landing Page                                */
/* ========================================================================= */

.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-primary);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.app-logo-svg {
  width: 32px;
  height: 32px;
  color: var(--text-primary);
  transition: var(--transition-bounce);
}

.header-logo:hover .app-logo-svg {
  transform: rotate(-10deg) scale(1.05);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme toggle as the last button among these set of buttons */
.header-actions > *:last-child {
  order: 99; /* Ensure it is visualised last */
}

/* Hero Section */
.landing-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 4rem;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
  min-height: calc(100vh - 80px);
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
}

.title-cobalt {
  color: var(--cobalt);
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 560px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

/* Hero Visual Layout Conversion Showcase */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s backwards;
}

.visual-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-md);
  min-height: 380px;
}

.visual-header {
  display: flex;
  gap: 6px;
  margin-bottom: 1.2rem;
}

.visual-header .dot {
  width: 8px;
  height: 8px;
  background-color: var(--border-color);
}

.visual-editor-mock {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.visual-editor-mock .line {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.visual-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 1.5rem 0;
  border: none;
}

.visual-ai-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cobalt);
  margin-bottom: 1rem;
}

.visual-output-mock {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  animation: visualConvert 5s ease-in-out infinite alternate;
}

.mock-h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.mock-p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.mock-ul {
  padding-left: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.mock-ul li {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.mock-blockquote {
  border-left: 2px solid var(--cobalt);
  padding-left: 0.75rem;
  font-size: 0.75rem;
  font-style: italic;
  color: var(--text-primary);
  background: var(--bg-tertiary);
  padding-top: 4px;
  padding-bottom: 4px;
}

@keyframes visualConvert {
  0%, 30% {
    opacity: 0.3;
    filter: blur(1px);
  }
  70%, 100% {
    opacity: 1;
    filter: blur(0);
  }
}

/* Features Section */
.landing-features {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: 6rem 2rem;
}

.section-title-wrapper {
  max-width: 1200px;
  margin: 0 auto 4rem auto;
  text-align: center;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  border-color: var(--text-primary);
  transform: translateY(-4px);
}

.feature-icon-box {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-box {
  border-color: var(--cobalt);
  color: var(--cobalt);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Footer */
.landing-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .landing-hero {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 3rem 2rem;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .landing-header {
    padding: 1rem;
  }
  
  .landing-hero {
    padding: 2rem 1rem;
    gap: 2.5rem;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-ctas {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-card {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .landing-hero {
    padding: 1.5rem 0.5rem;
    gap: 2rem;
  }

  .visual-card {
    padding: 1rem;
    min-height: auto;
    box-shadow: none;
  }

  .visual-editor-mock, .visual-output-mock {
    font-size: 0.7rem;
  }

  .visual-editor-mock .line {
    white-space: normal; /* wrap text on tiny screens */
  }

  .mock-h3 {
    font-size: 1rem;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.6;
  }
}