/* ==========================================================================
   Karui PDF Compress Page - Additional Styles
   Reuses .page-hero, .steps, .advantages, .page-cta from heic-to-jpeg.css
   Plus unique sections for PDF modes
   ========================================================================== */

/* --------------------------------------------------------------------------
   Page Hero (compact, subpage style)
   -------------------------------------------------------------------------- */
.page-hero {
  padding: 140px 24px 80px;
  text-align: center;
}

.page-hero-inner {
  max-width: 700px;
  margin: 0 auto;
}

.page-hero .hero-title {
  font-size: clamp(36px, 6vw, 52px);
  margin-bottom: 20px;
}

.page-hero .hero-lead {
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 32px;
}

.page-hero .hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Use Cases Section
   -------------------------------------------------------------------------- */
.use-cases {
  padding: 0 24px 80px;
}

.use-cases-inner {
  max-width: 800px;
  margin: 0 auto;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.use-case-card {
  background: var(--charcoal);
  border: 1px solid var(--graphite);
  border-radius: 12px;
  padding: 28px 24px;
  transition: all var(--duration-fast) var(--ease);
}

.use-case-card:hover {
  border-color: var(--slate);
  transform: translateY(-2px);
}

.use-case-icon {
  font-size: 32px;
  margin-bottom: 16px;
  display: block;
}

.use-case-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--snow);
  margin-bottom: 10px;
}

.use-case-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--snow);
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Modes Section (Smart vs Render)
   -------------------------------------------------------------------------- */
.modes {
  padding: 80px 24px;
  background: var(--charcoal);
}

.modes-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.modes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.mode-card {
  background: var(--obsidian);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  padding: 36px 28px;
  text-align: left;
  transition: all var(--duration-fast) var(--ease);
}

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

.mode-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--obsidian);
  background: var(--glacier);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.mode-label.render {
  background: var(--sunset);
}

.mode-card h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--snow);
  margin-bottom: 16px;
}

.mode-card p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--snow);
  opacity: 0.8;
  margin-bottom: 16px;
}

.mode-best-for {
  font-size: 13px;
  font-weight: 600;
  color: var(--glacier);
  padding-top: 16px;
  border-top: 1px solid var(--graphite);
}

.mode-best-for.render {
  color: var(--sunset);
}

/* --------------------------------------------------------------------------
   Steps Section
   -------------------------------------------------------------------------- */
.steps {
  padding: 80px 24px;
}

.steps-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--charcoal);
  border: 1px solid var(--graphite);
  border-radius: 50%;
  font-size: 18px;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--glacier);
  margin-bottom: 20px;
}

.step h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--snow);
  margin-bottom: 10px;
}

.step p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--snow);
  opacity: 0.75;
}

/* --------------------------------------------------------------------------
   Advantages Section
   -------------------------------------------------------------------------- */
.advantages {
  padding: 80px 24px;
  background: var(--charcoal);
}

.advantages-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.advantages-list {
  margin-top: 48px;
  text-align: left;
}

.advantage-item {
  padding: 32px 0;
  border-bottom: 1px solid var(--graphite);
}

.advantage-item:last-child {
  border-bottom: none;
}

.advantage-item h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--snow);
  margin-bottom: 12px;
}

.advantage-item p {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.8;
  color: var(--snow);
  opacity: 0.8;
  max-width: 600px;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.page-cta {
  padding: 100px 24px;
  text-align: center;
}

.page-cta-inner {
  max-width: 600px;
  margin: 0 auto;
}

.page-cta .cta-title {
  font-size: 36px;
  font-weight: 600;
  color: var(--snow);
  margin-bottom: 12px;
}

.page-cta .cta-subtitle {
  font-size: 16px;
  color: var(--snow);
  opacity: 0.7;
  margin-bottom: 40px;
}

.page-cta .cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .page-hero {
    padding: 120px 24px 60px;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .modes-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .page-cta .cta-actions {
    flex-direction: column;
  }

  .page-cta .cta-actions .btn-primary,
  .page-cta .cta-actions .btn-ghost {
    width: 100%;
  }
}