/* ─── About Page ─── */

/* Hero */
.ab-hero {
  padding-top: 180px;
  padding-bottom: 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ab-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.ab-hero-title {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,0.55) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  max-width: 800px;
}

.ab-hero-subtitle {
  font-size: 22px;
  color: var(--muted-foreground);
  max-width: 680px;
  line-height: 1.6;
}

/* Mission */
.mission-section {
  padding: 60px 0 120px;
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.mission-content h2 {
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 28px;
}

.mission-content p {
  font-size: 17px;
  color: var(--muted-foreground);
  line-height: 1.75;
  margin-bottom: 20px;
}

.mission-content p:last-child { margin-bottom: 0; }

.mission-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 32px 64px -16px rgba(124,58,237,0.12);
  transition: box-shadow 0.3s, transform 0.3s;
}

.mission-image:hover {
  box-shadow: 0 40px 80px -16px rgba(124,58,237,0.2);
  transform: translateY(-4px);
}

.mission-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Values */
.values-section {
  background: rgba(255,255,255,0.015);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 120px 0;
}

.values-header {
  text-align: center;
  margin-bottom: 64px;
}

.values-title {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.values-subtitle {
  font-size: 18px;
  color: var(--muted-foreground);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  transition: border-color 0.2s, transform 0.2s;
}

.value-card:hover {
  border-color: rgba(124,58,237,0.28);
  transform: translateY(-3px);
}

.value-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 28px;
}

.value-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.value-desc {
  font-size: 16px;
  color: var(--muted-foreground);
  line-height: 1.65;
}

/* CTA */
.ab-cta {
  border-top: 1px solid var(--border);
  padding: 120px 0;
}

.ab-cta-box {
  background: linear-gradient(180deg, rgba(124,58,237,0.08) 0%, transparent 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.ab-cta-title {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.ab-cta-desc {
  font-size: 18px;
  color: var(--muted-foreground);
  max-width: 500px;
  line-height: 1.6;
}

/* Origin badge */
.origin-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-xl);
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
}

/* Active nav */
.nav-link.active {
  color: var(--foreground);
  font-weight: 600;
}

/* Responsive */
@media (max-width: 900px) {
  .ab-hero-title { font-size: 44px; }
  .ab-hero-subtitle { font-size: 18px; }
  .mission-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .values-title { font-size: 32px; }
  .mission-content h2 { font-size: 30px; }
}

@media (max-width: 680px) {
  .ab-hero-title { font-size: 36px; }
  .values-grid { grid-template-columns: 1fr; }
  .ab-cta-title { font-size: 30px; }
  .value-card { padding: 36px 28px; }
}