/*
 * ZFrame — About page
 */

.about-page {
  padding-top: 108px;
  padding-bottom: 100px;
}

/* Hero */
.about-hero {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 80px;
}

.about-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--slate-warm);
  margin-bottom: 28px;
}

.about-breadcrumb a {
  color: var(--slate-warm);
  text-decoration: none;
  transition: color 0.2s ease;
}

.about-breadcrumb a:hover {
  color: var(--ivory-muted);
}

.about-breadcrumb-sep {
  color: var(--graphite-soft);
}

.about-title {
  font-size: clamp(2rem, 4.5vw, 2.85rem);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: var(--ivory);
  margin: 0 0 20px;
}

.about-title strong {
  font-weight: 600;
}

.about-lead {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--slate-light);
  margin: 0 auto 40px;
  max-width: 600px;
}

.about-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 40px;
  border-top: 1px solid var(--panel-border);
  max-width: 640px;
  margin: 0 auto;
}

.about-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.about-stat-value {
  font-size: clamp(1.5rem, 2.5vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ivory);
}

.about-stat-label {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-warm);
  text-align: center;
}

/* Sections */
.about-section {
  padding: 64px 0;
}

/* Mission split */
.about-mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

.about-mission-content .section-body {
  max-width: none;
  margin-bottom: 16px;
}

.about-checklist {
  list-style: none;
  margin-top: 28px;
  padding: 0;
}

.about-checklist li {
  position: relative;
  padding: 10px 0 10px 24px;
  font-size: 14px;
  color: var(--slate-light);
  border-bottom: 1px solid var(--panel-border);
}

.about-checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--silver);
  opacity: 0.6;
}

.about-mission-visual {
  position: relative;
}

.about-visual-stack {
  position: relative;
  aspect-ratio: 4 / 3;
  max-width: 440px;
  margin: 0 auto;
}

.about-visual-card {
  position: absolute;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  background: var(--base-soft);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.about-visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.about-visual-card--back {
  width: 75%;
  height: 70%;
  top: 0;
  right: 0;
  opacity: 0.55;
  transform: rotate(3deg);
}

.about-visual-card--front {
  width: 85%;
  height: 78%;
  bottom: 0;
  left: 0;
  z-index: 1;
}

/* Pillars */
.about-pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
  text-align: left;
}

.about-pillar {
  position: relative;
  padding: 32px 28px;
  border-radius: 20px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color 0.5s var(--silk-ease), transform 0.5s var(--silk-ease);
}

.about-pillar:hover {
  border-color: rgba(156, 163, 175, 0.15);
  transform: translateY(-4px);
}

.about-pillar-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--graphite);
  border: 1px solid var(--panel-border);
  color: var(--slate-light);
  margin-bottom: 20px;
}

.about-pillar-num {
  position: absolute;
  top: 28px;
  right: 28px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--slate-warm);
  opacity: 0.4;
}

.about-pillar h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ivory);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.about-pillar p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-warm);
  margin: 0;
}

/* Process */
.about-process-header {
  margin-bottom: 48px;
}

.about-process-steps {
  list-style: none;
  max-width: 640px;
  margin: 0 auto;
  padding: 0;
  position: relative;
}

.about-process-steps::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 24px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(180deg, var(--panel-border), rgba(156, 163, 175, 0.08));
}

.about-step {
  display: flex;
  gap: 28px;
  padding-bottom: 40px;
  position: relative;
}

.about-step:last-child {
  padding-bottom: 0;
}

.about-step-marker {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--ivory);
  background: var(--base-mid);
  border: 1px solid var(--panel-border);
  z-index: 1;
}

.about-step-body h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ivory);
  margin: 8px 0 8px;
  letter-spacing: -0.01em;
}

.about-step-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-warm);
  margin: 0;
}

/* Values band */
.about-values {
  margin: 32px 0;
  padding: 48px 0;
  background: var(--panel-bg);
  border-top: 1px solid var(--panel-border);
  border-bottom: 1px solid var(--panel-border);
}

.about-values-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

.about-value h3 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ivory);
  margin-bottom: 10px;
}

.about-value p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate-warm);
  margin: 0;
}

/* Audience */
.about-audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 48px auto 0;
  text-align: left;
}

.about-audience-card {
  padding: 28px 24px;
  border-radius: 16px;
  border: 1px solid var(--panel-border);
  background: rgba(22, 26, 32, 0.4);
  transition: border-color 0.4s ease;
}

.about-audience-card:hover {
  border-color: rgba(156, 163, 175, 0.15);
}

.about-audience-card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ivory);
  margin-bottom: 10px;
}

.about-audience-card p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate-warm);
  margin: 0;
}

/* CTA */
.about-cta {
  padding: 80px 0 20px;
}

.about-cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* Wide main (shared with templates) */
.main.main--wide {
  max-width: 1120px;
}

/* Responsive */
@media (max-width: 900px) {
  .about-mission-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-mission-content {
    text-align: center;
  }

  .about-checklist {
    text-align: left;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .about-pillar-grid,
  .about-audience-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
  }

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

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

@media (max-width: 540px) {
  .about-page {
    padding-top: 96px;
  }

  .about-values-inner {
    grid-template-columns: 1fr;
    max-width: 320px;
  }

  .about-cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .about-cta-actions .btn-primary,
  .about-cta-actions .btn-secondary {
    width: 100%;
    max-width: 280px;
  }
}