* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: linear-gradient(180deg, color-mix(in srgb, var(--bg-secondary) 85%, var(--bg-primary) 15%) 0%, var(--bg-primary) 100%);
  color: var(--text-primary);
}

.about {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(2.8rem, 6vw, 4.2rem) clamp(1.6rem, 6vw, 3.2rem) clamp(4rem, 7vw, 5rem);
  display: grid;
  gap: clamp(2.6rem, 6vw, 4rem);
}

.about-hero {
  background: color-mix(in srgb, var(--bg-elevated) 92%, transparent);
  border: 1px solid var(--border-soft);
  border-radius: 32px;
  padding: clamp(2.4rem, 6vw, 3.6rem);
  display: grid;
  gap: 1.2rem;
  box-shadow: 0 32px 60px color-mix(in srgb, var(--shadow-primary) 45%, transparent);
}

.about-hero__eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.about-hero__title {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 3.4rem);
  line-height: 1.08;
}

.about-hero__summary {
  margin: 0;
  max-width: 720px;
  font-size: 1.1rem;
  line-height: 1.62;
  color: var(--text-secondary);
}

.about-hero__meta {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.about-hero__meta span {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: var(--bg-chip);
  border: 1px solid var(--border-soft);
}

.about-section__head {
  display: grid;
  gap: 0.6rem;
  max-width: 720px;
}

.about-section__title {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 2.4rem);
}

.about-section__intro {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

.about-grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2rem);
}

.about-grid--three {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.about-card {
  background: color-mix(in srgb, var(--bg-elevated) 94%, transparent);
  border: 1px solid var(--border-soft);
  border-radius: 24px;
  padding: 1.8rem;
  display: grid;
  gap: 0.6rem;
  box-shadow: 0 18px 32px color-mix(in srgb, var(--shadow-primary) 35%, transparent);
}

.about-card h3 {
  margin: 0;
  font-size: 1.25rem;
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

.about-card p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.about-timeline__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.4rem;
  position: relative;
}

.about-timeline__list::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent-primary) 35%, transparent) 0%, color-mix(in srgb, var(--accent-primary) 12%, transparent) 100%);
}

.about-timeline__list li {
  position: relative;
  padding-left: 3.6rem;
}

.about-timeline__year {
  position: absolute;
  left: 0;
  top: 0.2rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent-primary) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-primary) 32%, transparent);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--accent-primary);
}

.about-timeline__body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.2rem;
}

.about-timeline__body p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.55;
}

.about-grid--cards {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.about-profile {
  background: color-mix(in srgb, var(--bg-elevated) 94%, transparent);
  border: 1px solid var(--border-soft);
  border-radius: 24px;
  padding: 1.6rem;
  display: grid;
  gap: 0.8rem;
  box-shadow: 0 18px 30px color-mix(in srgb, var(--shadow-primary) 28%, transparent);
}

.about-profile__avatar {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--bg-chip);
  border: 1px solid var(--border-soft);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--accent-primary);
}

.about-profile__body h3 {
  margin: 0;
  font-size: 1.14rem;
}

.about-profile__body p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.5;
}

.about-profile__bio {
  font-size: 0.94rem;
}

.about-cta {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-primary) 18%, transparent) 0%, color-mix(in srgb, var(--accent-secondary) 32%, transparent) 100%);
  border-radius: 28px;
  border: 1px solid color-mix(in srgb, var(--accent-primary) 32%, transparent);
  padding: clamp(2rem, 5vw, 2.8rem);
  display: grid;
  gap: 1rem;
  color: var(--text-white);
  box-shadow: 0 32px 48px color-mix(in srgb, var(--shadow-secondary) 45%, transparent);
  text-align: center;
}

.about-cta__title {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 2.4rem);
}

.about-cta__summary {
  margin: 0;
  line-height: 1.6;
}

.about-cta__actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}

.about-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  background: rgba(255, 255, 255, 0.12);
  color: inherit;
}

.about-btn--primary {
  background: var(--text-white);
  color: var(--accent-primary);
  box-shadow: 0 20px 40px color-mix(in srgb, var(--shadow-primary) 32%, transparent);
}

.about-btn--ghost {
  border-color: rgba(255, 255, 255, 0.45);
}

.about-btn:hover,
.about-btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 24px 40px color-mix(in srgb, var(--shadow-primary) 35%, transparent);
}

.about-btn:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--text-white) 85%, transparent);
  outline-offset: 2px;
}

@media (max-width: 720px) {
  .about-hero__meta span {
    width: 100%;
    justify-content: center;
  }

  .about-timeline__list::before {
    left: 16px;
  }

  .about-timeline__list li {
    padding-left: 3rem;
  }

  .about-timeline__year {
    left: -4px;
  }

  .about-cta__actions {
    width: 100%;
  }

  .about-btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-btn {
    transition: none;
  }

  .about-btn:hover,
  .about-btn:focus-visible {
    transform: none;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-primary) 35%, transparent);
  }
}