.page-about {
  --about-card-bg: #2a1a4e;
  --about-timeline-line: #d4af37;
  --about-dot-glow: #39ff14;
}

.page-about .breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1rem 0;
  color: #f5e6a3;
  font-size: 0.875rem;
  font-family: var(--font-body);
}

.page-about .breadcrumb a {
  color: #d4af37;
  text-decoration: none;
}

.page-about .breadcrumb a:hover {
  text-decoration: underline;
}

.page-about .breadcrumb [aria-current="page"] {
  color: var(--color-gold);
}

/* Hero section */
.page-about .about-hero {
  display: flex;
  flex-direction: column;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-sm);
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .page-about .about-hero {
    flex-direction: row;
    align-items: center;
    gap: var(--space-xl);
  }
}

.page-about .about-hero-image {
  flex: 1 1 40%;
  clip-path: polygon(0 0, 100% 5%, 95% 100%, 0 95%);
  overflow: hidden;
  box-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
}

.page-about .about-hero-image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-hero-content {
  flex: 1 1 60%;
}

.page-about .about-hero-content h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-title);
  text-shadow: 0 0 12px rgba(212, 175, 55, 0.6);
  margin: 0 0 var(--space-sm);
}

.page-about .about-subtitle {
  font-size: 1.125rem;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
}

.page-about .about-hero-content p {
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  max-width: 600px;
}

.page-about .about-mission-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (min-width: 640px) {
  .page-about .about-mission-cards {
    grid-template-columns: 1fr 1fr;
  }
}

.page-about .mission-card {
  background: var(--about-card-bg);
  border-radius: var(--border-radius);
  padding: var(--space-md);
  position: relative;
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 94%);
  border-left: 4px solid #d4af37;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.page-about .mission-card:hover {
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.3);
  transform: translateY(-4px);
}

.page-about .mission-number {
  font-family: var(--font-accent);
  font-size: 2.5rem;
  color: rgba(212, 175, 55, 0.3);
  position: absolute;
  top: 0.25rem;
  right: 0.75rem;
  line-height: 1;
}

.page-about .mission-card h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-title);
  margin: 0 0 var(--space-xs);
  text-shadow: 0 0 8px rgba(212, 175, 55, 0.4);
}

.page-about .mission-card p {
  color: var(--color-text);
  font-size: 0.95rem;
}

/* Upgrade timeline section */
.page-about .about-upgrade {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-sm);
}

.page-about .section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  color: var(--color-title);
  text-shadow: 0 0 14px rgba(212, 175, 55, 0.5);
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.page-about .section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60%;
  height: 3px;
  background: linear-gradient(90deg, #d4af37, transparent);
}

.page-about .upgrade-intro {
  color: var(--color-text);
  font-family: var(--font-body);
  max-width: 700px;
  margin-bottom: var(--space-lg);
}

.page-about .timeline {
  position: relative;
  padding-left: 2.5rem;
  margin: var(--space-md) 0;
}

@media (min-width: 768px) {
  .page-about .timeline {
    padding-left: 4rem;
  }
}

.page-about .timeline::before {
  content: '';
  position: absolute;
  left: 1.25rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, #d4af37, #6a0dad);
  transform: skewX(-15deg);
}

@media (min-width: 768px) {
  .page-about .timeline::before {
    left: 2rem;
  }
}

.page-about .timeline-item {
  margin-bottom: var(--space-lg);
  position: relative;
}

.page-about .timeline-node {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  color: #f5e6a3;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.page-about .timeline-node:hover,
.page-about .timeline-node:focus-visible {
  color: #d4af37;
  outline: none;
  text-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}

.page-about .timeline-dot {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--about-timeline-line);
  box-shadow: 0 0 12px var(--about-dot-glow);
  flex-shrink: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about .timeline-node:hover .timeline-dot,
.page-about .timeline-node:focus-visible .timeline-dot {
  transform: scale(1.2);
  box-shadow: 0 0 20px var(--about-dot-glow);
}

.page-about .timeline-label {
  font-size: 1rem;
}

@media (min-width: 640px) {
  .page-about .timeline-label {
    font-size: 1.125rem;
  }
}

.page-about .timeline-detail {
  margin-left: 2.5rem;
  padding: var(--space-sm) var(--space-md);
  background: var(--about-card-bg);
  border-radius: var(--border-radius);
  border-left: 3px solid #d4af37;
  margin-top: var(--space-xs);
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .page-about .timeline-detail {
    margin-left: 4rem;
  }
}

.page-about .timeline-detail p {
  margin: 0 0 var(--space-xs);
}

.page-about .timeline-detail img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  margin-top: var(--space-xs);
}

.page-about .timeline-detail a {
  color: #39ff14;
  text-decoration: underline;
  transition: color 0.2s ease;
}

.page-about .timeline-detail a:hover {
  color: #d4af37;
}

/* Trust section */
.page-about .about-trust {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 768px) {
  .page-about .about-trust {
    flex-direction: row;
    align-items: center;
  }
}

.page-about .trust-content {
  flex: 1 1 60%;
}

.page-about .trust-content p {
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  max-width: 600px;
}

.page-about .trust-content a {
  color: #39ff14;
  text-decoration: underline;
}

.page-about .trust-image {
  flex: 1 1 35%;
  clip-path: polygon(5% 0, 100% 0, 95% 100%, 0 100%);
  overflow: hidden;
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.25);
}

.page-about .trust-image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* Utility */
.page-about .about-hero-content a,
.page-about .breadcrumb a,
.page-about .about-upgrade a,
.page-about .about-trust a {
  text-decoration: underline;
  color: #39ff14;
  transition: color 0.2s ease;
}

.page-about .about-hero-content a:hover,
.page-about .breadcrumb a:hover,
.page-about .about-upgrade a:hover,
.page-about .about-trust a:hover {
  color: #d4af37;
}