/* ========================================
   ImageTools — Landing Page Styles
   Page-specific styles only (Light Theme)
   ======================================== */

/* --- Hero Section --- */
.hero {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding: 80px 0 96px;
  overflow: hidden;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 64px;
  width: 100%;
}

.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(var(--glow-rgb), 0.08);
  border: 1px solid var(--color-border-accent);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 28px;
}

.hero-badge i {
  width: 12px;
  height: 12px;
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero-title .accent {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border-subtle);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-stat-value {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-accent);
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-stat-divider {
  width: 1px;
  height: 32px;
  background: var(--color-border);
}

/* --- Hero Ad (replaces Visual Grid) --- */
.hero-visual {
  flex: 0 0 380px;
  position: relative;
}

.hero-ad-card {
  padding: 24px;
  background: rgba(15, 23, 42, 0.02);
  border: 1px solid rgba(15, 23, 42, 0.07);
  border-radius: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-ad-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(var(--glow-rgb), 0.03), transparent 60%);
  pointer-events: none;
}

.hero-ad-card .ad-slot {
  width: 100%;
  min-height: 280px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
  z-index: 1;
}

/* --- Tools Grid --- */
.tools-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 48px;
}

.tool-card {
  flex: 0 0 calc(33.333% - 11px);
  max-width: calc(33.333% - 11px);
  padding: 28px 24px;
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--glow-rgb), 0.5), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.tool-card:hover {
  background: var(--color-glass-hover);
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(var(--glow-rgb), 0.04);
}

.tool-card:hover::before {
  opacity: 1;
}

.tool-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.tool-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--glow-rgb), 0.08);
  border: 1px solid rgba(var(--glow-rgb), 0.12);
  border-radius: 12px;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.tool-card:hover .tool-card-icon {
  background: rgba(var(--glow-rgb), 0.12);
  border-color: rgba(var(--glow-rgb), 0.25);
}

.tool-card-icon i {
  width: 20px;
  height: 20px;
}

.tool-card-arrow {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-text-dim);
  transition: all var(--transition-normal);
  flex-shrink: 0;
  margin-top: 8px;
}

.tool-card:hover .tool-card-arrow {
  color: var(--color-accent);
  background: rgba(var(--glow-rgb), 0.08);
  transform: translate(2px, -2px);
}

.tool-card-arrow i {
  width: 16px;
  height: 16px;
}

.tool-card-title {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.tool-card:hover .tool-card-title {
  color: var(--color-accent);
}

.tool-card-desc {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- Features Section --- */
.section-alt {
  background: var(--color-bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.feature-card {
  padding: 32px 24px;
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  text-align: center;
}

.feature-card:hover {
  background: var(--color-glass-hover);
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--glow-rgb), 0.06);
  border: 1px solid rgba(var(--glow-rgb), 0.1);
  border-radius: 14px;
  color: var(--color-accent);
  margin: 0 auto 20px;
  transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
  background: rgba(var(--glow-rgb), 0.1);
  border-color: rgba(var(--glow-rgb), 0.25);
  box-shadow: 0 0 20px rgba(var(--glow-rgb), 0.08);
}

.feature-icon i {
  width: 22px;
  height: 22px;
}

.feature-title {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.step-card {
  padding: 36px 28px;
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  transition: all var(--transition-normal);
}

.step-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
}

.step-card:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -13px;
  width: 24px;
  height: 1px;
  background: repeating-linear-gradient(
    to right,
    var(--color-border) 0,
    var(--color-border) 4px,
    transparent 4px,
    transparent 8px
  );
}

.step-number {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--glow-rgb), 0.1);
  border: 1px solid rgba(var(--glow-rgb), 0.2);
  border-radius: 50%;
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0 auto 20px;
}

.step-title {
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- CTA Section --- */
.cta-box {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 48px;
  text-align: center;
  background: linear-gradient(180deg, rgba(var(--glow-rgb), 0.04) 0%, transparent 100%);
  border: 1px solid rgba(var(--glow-rgb), 0.15);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  animation: pulse-glow 4s ease-in-out infinite;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.4;
}

.cta-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.cta-subtitle {
  font-size: 1.0625rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto 32px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .step-card {
    padding: 28px 20px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 60px 0 72px;
    min-height: auto;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 2.75rem);
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 20px;
    flex-wrap: wrap;
  }

  .hero-stat-divider {
    display: none;
  }

  .tools-grid {
    gap: 12px;
  }

  .tool-card {
    flex: 0 0 calc(50% - 6px);
    max-width: calc(50% - 6px);
    padding: 20px 18px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .feature-card {
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    padding: 20px;
  }

  .feature-icon {
    margin: 0;
    flex-shrink: 0;
  }

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

  .step-card:not(:last-child)::after {
    display: none;
  }

  .cta-box {
    padding: 40px 24px;
  }
}

@media (max-width: 480px) {
  .tool-card {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    justify-content: center;
  }
}