/* ============================================
   BIOGRAPHY — Bio page styles
   ============================================ */

/* --- Bio hero --- */
.bio-hero {
  padding-top: calc(var(--nav-height) + env(safe-area-inset-top, 0px) + var(--space-5xl));
  padding-bottom: var(--space-4xl);
  text-align: center;
}

.bio-hero__title {
  margin-bottom: var(--space-lg);
}

.bio-hero__subtitle {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Bio intro --- */
.bio-intro {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.bio-intro__portrait {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--border-radius);
  position: sticky;
  top: calc(var(--nav-height) + env(safe-area-inset-top, 0px) + var(--space-xl));
}

.bio-intro__text {
  max-width: 600px;
}

.bio-intro__lead {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-white);
  line-height: 1.6;
  margin-bottom: var(--space-2xl);
}

.bio-intro__body p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  font-size: 1rem;
  line-height: 1.8;
}

/* --- Timeline --- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 1px;
  background: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-left: 60px;
  padding-bottom: var(--space-3xl);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: 13px;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  background: var(--color-bg);
}

.timeline__year {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-sm);
}

.timeline__title {
  font-size: 1.2rem;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  font-family: var(--font-heading);
}

.timeline__desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Skills / Training --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.skill-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-2xl);
  text-align: center;
  transition: border-color var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}

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

.skill-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

.skill-card__title {
  font-size: 1rem;
  font-family: var(--font-heading);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.skill-card__text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .bio-intro {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .bio-intro__portrait {
    position: static;
    max-width: 300px;
    margin: 0 auto;
  }

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