/* ═══════════════════════════════════════════════════════════
   About Page — Styles
   ═══════════════════════════════════════════════════════════ */

.about-hero {
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
}

.about-hero .container {
  animation: fadeSlideUp 0.6s ease-out;
}

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--primary-glow-strong) 0%, transparent 70%);
  pointer-events: none;
}

.about-badge {
  display: inline-block;
  padding: 8px 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--primary);
  background: var(--primary-glow);
  border: 1px solid rgba(249, 115, 22, 0.2);
  border-radius: var(--radius-full);
  margin-bottom: 28px;
}

.about-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── Sections ───────────────────────────────────────────── */
.about-section {
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
}

/* ─── Flow Diagram ───────────────────────────────────────── */
.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  min-width: 120px;
  transition: border-color 0.3s, transform 0.3s;
}

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

.flow-icon {
  font-size: 2rem;
}

.flow-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
}

.flow-arrow {
  font-size: 1.5rem;
  color: var(--primary);
  font-weight: 700;
}

/* ─── Stats Grid ─────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s, transform 0.3s;
}

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

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ─── Features Grid ──────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s, transform 0.3s;
}

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

.feature-card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

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

/* ─── Privacy ────────────────────────────────────────────── */
.about-privacy {
  background: linear-gradient(180deg, transparent 0%, rgba(249, 115, 22, 0.03) 50%, transparent 100%);
}

.privacy-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 700px;
  margin: 0 auto;
}

.privacy-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.3s;
}

.privacy-item:hover {
  border-color: var(--primary);
}

.privacy-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.privacy-item p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ─── Tech Stack ─────────────────────────────────────────── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.tech-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.3s;
}

.tech-item:hover {
  border-color: var(--primary);
}

.tech-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.tech-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ─── Platforms ───────────────────────────────────────────── */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 600px;
  margin: 0 auto;
}

.platform-grid.three-cols {
  grid-template-columns: repeat(3, 1fr);
  max-width: 900px;
}

.platform-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s, transform 0.3s;
}

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

.platform-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 12px;
}

.platform-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.platform-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.platform-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 14px;
  background: var(--primary-glow);
  color: var(--primary);
  border-radius: var(--radius-full);
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .about-hero {
    padding: 120px 0 50px;
  }

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

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

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

  .flow-diagram {
    flex-direction: column;
    gap: 8px;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }

  .platform-grid, .platform-grid.three-cols {
    grid-template-columns: 1fr;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-card {
    padding: 20px 12px;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .tech-grid {
    grid-template-columns: 1fr;
  }
}