/* ─── About Page ─── */
.about-page {
  padding-top: 52px;
}

/* Hero */
.about-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 80px 24px 60px;
  overflow: hidden;
}
.about-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.about-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(108, 92, 231, 0.15), transparent),
    radial-gradient(ellipse 60% 80% at 80% 60%, rgba(9, 132, 227, 0.1), transparent),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(108, 92, 231, 0.08), transparent);
}
.about-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(48, 54, 61, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(48, 54, 61, 0.3) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
}
.about-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}
.about-hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}
.about-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 24px;
  line-height: 1.7;
}
.about-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, #6C5CE7, #0A84FF);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
  color: #fff;
}
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--bg-card);
  border-color: var(--text-muted);
  color: var(--text-primary);
  transform: translateY(-2px);
}
.btn-icon { font-size: 0.9em; }

/* Sections */
.about-section {
  padding: 80px 24px;
}
.about-section.section-dark {
  background: var(--bg-secondary);
}
.about-container {
  max-width: 1200px;
  margin: 0 auto;
}
.about-section-header {
  text-align: center;
  margin-bottom: 56px;
}
.about-section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.about-section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}
code {
  font-family: var(--mono);
  background: var(--bg-card);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: all 0.3s ease;
}
.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(108, 92, 231, 0.15);
}
.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}
.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Modes Grid */
.modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.mode-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
}
.mode-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.mode-badge {
  display: inline-block;
  background: var(--bg-card-hover);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.mode-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.mode-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 12px;
}
.mode-list {
  list-style: none;
  padding: 0;
}
.mode-list li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 4px 0;
  padding-left: 20px;
  position: relative;
}
.mode-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* Benchmark Table */
.benchmark-table-wrap {
  overflow-x: auto;
}
.benchmark-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.benchmark-table th,
.benchmark-table td {
  padding: 12px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.benchmark-table th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.ratio {
  color: var(--accent);
  font-weight: 700;
}
.ratio-avg {
  font-size: 1.1rem;
}

/* Crate Grid */
.crate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.crate-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all 0.3s ease;
}
.crate-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.crate-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.crate-flow {
  color: var(--accent);
  font-size: 0.85rem;
  font-family: var(--mono);
  margin-bottom: 8px;
}
.crate-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Final CTA */
.about-final-cta {
  border-top: 1px solid var(--border);
}

/* Animations */
.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .about-hero {
    padding: 60px 16px 40px;
  }
  .about-cta {
    flex-direction: column;
    align-items: center;
  }
  .about-section {
    padding: 56px 16px;
  }
}