/* ============================================
   Adyanth Natarajan — Portfolio
   About page styles
   ============================================ */

/* -------------------- Hero -------------------- */

.about-hero {
  padding-top: 64px;
  padding-bottom: 56px;
}

.about-headline {
  font-family: var(--font-headline);
  font-weight: 400;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 22ch;
  margin-bottom: 24px;
}

.about-bio {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  opacity: 0.65;
  max-width: 64ch;
}

.about-bio + .about-bio {
  margin-top: 12px;
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 28px;
}

.about-links a {
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.03em;
  transition: opacity 0.2s ease;
}

.about-link-accent {
  color: var(--accent);
}

.about-link-accent:hover {
  opacity: 0.7;
}

.about-link-muted {
  color: var(--text);
  opacity: 0.5;
}

.about-link-muted:hover {
  opacity: 1;
}

/* -------------------- Experience timeline -------------------- */

.timeline {
  padding-top: 56px;
  padding-bottom: 56px;
  border-top: 1px solid var(--divider);
}

.timeline-entry {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: var(--gutter);
  padding: 28px 0;
}

.timeline-entry:first-of-type {
  padding-top: 32px;
}

.timeline-entry + .timeline-entry {
  border-top: 1px solid var(--divider);
}

.timeline-year {
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--accent);
}

.timeline-role h3 {
  font-family: var(--font-headline);
  font-weight: 500;
  font-size: clamp(1.1rem, 2.2vw, 1.3rem);
  letter-spacing: -0.005em;
  margin-bottom: 6px;
}

.timeline-company {
  display: block;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text);
  opacity: 0.5;
  margin-bottom: 12px;
}

.timeline-role p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  opacity: 0.65;
  max-width: 56ch;
}

/* -------------------- Skills -------------------- */

.skills {
  padding-top: 56px;
  padding-bottom: 56px;
  border-top: 1px solid var(--divider);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
  margin-top: 32px;
}

.skill-col h3 {
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.04em;
  font-variant: small-caps;
  color: var(--text);
  opacity: 0.7;
  margin-bottom: 16px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* -------------------- Certifications -------------------- */

.certifications {
  padding-top: 56px;
  padding-bottom: 56px;
  border-top: 1px solid var(--divider);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
  margin-top: 32px;
}

.cert-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--divider);
  padding: 24px;
}

.cert-card h3 {
  font-family: var(--font-headline);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -0.005em;
  margin-bottom: 8px;
}

.cert-card p {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text);
  opacity: 0.5;
  margin-bottom: 24px;
}

.cert-link {
  margin-top: auto;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--accent);
  transition: opacity 0.2s ease;
}

.cert-link:hover {
  opacity: 0.7;
}

/* -------------------- CTA -------------------- */

.about-cta {
  text-align: center;
  padding-top: 80px;
  padding-bottom: 88px;
  border-top: 1px solid var(--divider);
}

.about-cta p {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text);
  opacity: 0.65;
  margin-bottom: 16px;
}

.about-cta a {
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--accent);
  transition: opacity 0.2s ease;
}

.about-cta a:hover {
  opacity: 0.7;
}

/* -------------------- Responsive -------------------- */

@media (max-width: 860px) {
  .skills-grid,
  .cert-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .timeline-entry {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}