/* ============================================
   ABOUT PAGE — Section Styles
   ============================================ */

/* ── About Hero ── */
.about-hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}

.about-hero-content {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.about-hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: var(--weight-bold);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 24px 0 28px;
  color: var(--color-text-primary);
}

.about-hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: 1.65;
  max-width: 680px;
  margin: 0 auto 48px;
}

.about-hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  padding: 20px 32px;
  border: 1px solid var(--color-bg-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
}

.meta-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.meta-value {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.meta-divider {
  width: 1px;
  height: 28px;
  background: var(--color-bg-border);
}

/* ── Story Section ── */
.story-section {
  position: relative;
  overflow: hidden;
}

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

.story-text .section-label { margin-bottom: 16px; }

.story-text h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.story-text p {
  font-size: var(--text-lg);
  line-height: 1.75;
  margin-bottom: 20px;
  color: var(--color-text-secondary);
}

.story-text p em {
  color: var(--color-brand-200);
  font-style: italic;
  font-weight: var(--weight-medium);
}

/* Story Visual (Timeline) */
.story-visual {
  position: relative;
}

.story-card {
  position: relative;
  padding: 48px 40px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-bg-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.story-orb {
  position: absolute;
  width: 320px;
  height: 320px;
  top: -100px;
  right: -100px;
  background: radial-gradient(circle, rgba(124,58,237,0.4) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  animation: orb-pulse 9s ease-in-out infinite;
}

.story-timeline {
  position: relative;
  padding-left: 32px;
}

.story-timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg,
    var(--color-brand-400) 0%,
    rgba(139,92,246,0.3) 50%,
    rgba(139,92,246,0.05) 100%);
}

.timeline-dot {
  position: absolute;
  left: 0;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--color-bg-primary);
  border: 2px solid var(--color-brand-400);
  z-index: 1;
}

.timeline-dot.active {
  background: var(--color-brand-400);
  box-shadow: 0 0 20px var(--color-brand-glow);
}

.timeline-dot:nth-of-type(1) { top: 0; }
.timeline-dot:nth-of-type(2) { top: 33%; }
.timeline-dot:nth-of-type(3) { top: 66%; }

.timeline-item {
  margin-bottom: 36px;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-date {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-brand-300);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.timeline-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ── Mission & Vision ── */
.mv-section {
  position: relative;
  overflow: hidden;
}

.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  position: relative;
  z-index: 1;
}

.mv-card {
  padding: 48px 40px;
  position: relative;
}

.mv-index {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-brand-400);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  opacity: 0.7;
}

.mv-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-brand-300);
  margin-bottom: 20px;
}

.mv-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: var(--weight-bold);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: 20px;
}

.mv-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}

.mv-card .feature-list {
  margin-top: 0;
  border-top: 1px solid var(--color-bg-border);
  padding-top: 24px;
}

/* ── Values Section ── */
.values-section {
  position: relative;
}

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

.value-card {
  padding: 40px 32px 44px;
  position: relative;
  overflow: hidden;
}

.value-number {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: var(--weight-bold);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(139,92,246,0.3);
  text-stroke: 1px rgba(139,92,246,0.3);
  position: absolute;
  top: 24px;
  right: 28px;
  pointer-events: none;
}

.value-card .card-icon {
  margin-bottom: 28px;
}

.value-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.value-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.value-accent {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--color-brand-400) 50%,
    transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.value-card:hover .value-accent {
  opacity: 1;
}

/* ── Active nav link ── */
.nav-link-active {
  color: var(--color-brand-300) !important;
}

.nav-link-active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-brand-400);
  box-shadow: 0 0 8px var(--color-brand-400);
}

.navbar-nav .nav-link-active {
  position: relative;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .story-grid {
    gap: 56px;
  }
}

@media (max-width: 900px) {
  .story-grid,
  .mv-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .values-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .about-hero {
    padding: 120px 0 80px;
  }

  .about-hero-meta {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 24px;
    padding: 20px 24px;
  }

  .mv-card,
  .value-card {
    padding: 36px 28px;
  }

  .story-card {
    padding: 36px 28px;
  }
}

@media (max-width: 560px) {
  .about-hero {
    padding: 100px 0 60px;
  }

  .about-hero-subtitle {
    font-size: var(--text-base);
  }

  .about-hero-meta {
    flex-direction: column;
    border-radius: var(--radius-lg);
    align-items: flex-start;
    gap: 14px;
    width: 100%;
  }

  .meta-divider {
    display: none;
  }

  .story-text p {
    font-size: var(--text-base);
  }

  .value-number {
    font-size: 3rem;
    top: 20px;
    right: 20px;
  }
}