/* =============================================================
   ABOUT — INTRO
   ============================================================= */

.about-intro {
  padding: var(--space-20) 0;
  border-bottom: 1px solid var(--color-border);
}

.about-intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

.about-intro__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about-intro__lead {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.about-intro__body p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.about-intro__body p:last-child {
  margin-bottom: 0;
}

/* Photo */
.about-intro__photo {
  aspect-ratio: 1 / 1;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 420px;
  width: 100%;
}

.about-intro__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.6s ease;
}

.about-intro__photo:hover img {
  transform: scale(1.02);
}

/* =============================================================
   ABOUT — EXPERIENCE TIMELINE
   ============================================================= */

.experience {
  padding: var(--space-20) 0;
  border-bottom: 1px solid var(--color-border);
}

.experience__title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.experience__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.experience__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
}

.experience__item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.experience__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.experience__period {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.experience__company {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.experience__company a {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1px;
  transition: border-color var(--transition-fast);
}

.experience__company a:hover {
  border-color: var(--color-text);
  opacity: 0.7;
}

.experience__role {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-xl), 2.5vw, var(--text-2xl));
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: var(--space-3);
}

.experience__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}

.experience__bullets {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.experience__bullet {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

.experience__bullet::before {
  content: '—';
  color: var(--color-border);
  flex-shrink: 0;
  margin-top: 1px;
}

.experience__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* Highlight the featured (Trac) role */
.experience__item--featured {
  background-color: var(--color-surface);
  margin: 0 calc(-1 * var(--space-6));
  padding: var(--space-8) var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* =============================================================
   ABOUT — SKILLS
   ============================================================= */

.about-skills {
  padding: var(--space-20) 0;
  border-bottom: 1px solid var(--color-border);
}

.about-skills__title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.about-skills__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.skill-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.skill-group__title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.skill-group__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* =============================================================
   ABOUT — EDUCATION
   ============================================================= */

.education {
  padding: var(--space-20) 0;
  border-bottom: 1px solid var(--color-border);
}

.education__title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.education__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
}

.education__degree {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.education__school {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.education__year {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.education__certs {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
}

.education__certs-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.education__cert-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.education__cert {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-3);
}

.education__cert::before {
  content: '—';
  color: var(--color-border);
  flex-shrink: 0;
}

/* =============================================================
   ABOUT — CTA
   ============================================================= */

.about-cta {
  padding: var(--space-20) 0;
}

.about-cta__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: flex-start;
}

.about-cta__text {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  color: var(--color-text);
  max-width: 600px;
  line-height: 1.2;
}

.about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* =============================================================
   RESPONSIVE
   ============================================================= */

@media (min-width: 768px) {
  .about-intro__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

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

  .experience__item {
    grid-template-columns: 200px 1fr;
    gap: var(--space-8);
  }

  .education__item {
    grid-template-columns: 200px 1fr;
    gap: var(--space-8);
  }
}

@media (min-width: 1024px) {
  .about-skills__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}