/* About page — aligned with site-shared + case study tokens */
.about-page {
  --about-track: min(100%, 820px);
  --about-pad: 48px;
  --about-body: clamp(16px, 1.45vw, 20px);
  --about-lead: clamp(14px, 1.2vw, 17px);
  --about-section: clamp(40px, 5vw, 56px);
  background: #ffffff;
  color: #000000;
  font-family: 'Inter', sans-serif;
  font-size: var(--about-body);
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.about-page main {
  box-sizing: border-box;
  max-width: var(--about-track);
  margin: 0 auto;
  padding: max(72px, calc(env(safe-area-inset-top, 0px) + 56px)) var(--about-pad) clamp(48px, 6vw, 80px);
  perspective: none;
  transform-style: flat;
}

.about-page a:focus-visible {
  outline: 2px solid #000000;
  outline-offset: 3px;
}

/* Intro */
.about-page .about-intro {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  grid-template-areas: "photo copy";
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

.about-page .about-intro__figure {
  grid-area: photo;
  margin: 0;
}

.about-page .about-intro__photo {
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: 0 4px 24px rgba(26, 42, 90, 0.1);
}

.about-page .about-intro__photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.about-page .about-intro__text {
  grid-area: copy;
  min-width: 0;
}

.about-page .about-intro h1,
.about-page .about-working-note h2 {
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  text-wrap: balance;
}

.about-page .about-intro h1 {
  font-size: clamp(32px, 5.8vw, 56px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(14px, 2vw, 20px);
}

.about-page .lead {
  font-family: 'Inter', sans-serif;
  font-size: var(--about-lead);
  font-weight: 400;
  font-style: normal;
  line-height: 1.35;
  letter-spacing: -0.03em;
  color: rgba(0, 0, 0, 0.6);
  margin: 0;
}

/* Body copy */
.about-page .about-body {
  margin-top: var(--about-section);
}

.about-page .about-body p,
.about-page .about-working-note p {
  font-family: 'Inter', sans-serif;
  font-size: var(--about-body);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.04em;
  color: rgba(0, 0, 0, 0.8);
  margin-bottom: clamp(12px, 1.5vw, 16px);
}

.about-page .about-body p:last-child,
.about-page .about-working-note p:last-child {
  margin-bottom: 0;
}

.about-page .about-body p strong {
  color: #000000;
  font-weight: 500;
}

.about-page .about-body a {
  color: #000000;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(0, 0, 0, 0.35);
  transition: text-decoration-color 0.2s ease;
}

.about-page .about-body a:hover,
.about-page .about-body a:focus-visible {
  text-decoration-color: #000000;
}

/* Section labels */
.about-page .sec-label {
  font-family: 'Inter', sans-serif;
  font-size: clamp(16px, 1.4vw, 20px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.25;
  color: rgba(0, 0, 0, 0.85);
  text-transform: none;
  margin-bottom: clamp(20px, 2.5vw, 28px);
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-page .sec-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(0, 0, 0, 0.12);
  max-width: none;
}

/* Skills */
.about-page .skills-section {
  margin-top: var(--about-section);
  margin-bottom: var(--about-section);
}

.about-page .skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(10px, 1.4vw, 14px);
}

.about-page .skill-group {
  padding: clamp(20px, 2.5vw, 28px) clamp(18px, 2vw, 24px);
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.about-page .skill-group:hover {
  border-color: rgba(0, 0, 0, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.about-page .sg-title {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.45);
  margin-bottom: clamp(12px, 1.5vw, 16px);
}

.about-page .sg-items {
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1vw, 10px);
}

.about-page .sg-item {
  font-family: 'Inter', sans-serif;
  font-size: clamp(13px, 1.2vw, 14px);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -0.03em;
  color: rgba(0, 0, 0, 0.8);
  padding-left: 0;
}

.about-page .sg-item::before {
  display: none;
}

.about-page .divider {
  margin: 0;
  height: 0;
  border: 0;
}

/* Case study links */
.about-page .cs-section {
  margin-bottom: var(--about-section);
}

.about-page .cs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(10px, 1.4vw, 14px);
}

.about-page .cs-card {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: clamp(20px, 2.5vw, 28px);
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.about-page .cs-card:hover,
.about-page .cs-card:focus-visible {
  border-color: rgba(0, 0, 0, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.about-page .cs-card::after {
  display: none;
}

.about-page .cs-tag {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.45);
  margin-bottom: clamp(8px, 1vw, 10px);
}

.about-page .cs-title {
  font-family: 'Inter', sans-serif;
  font-size: var(--about-body);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.2;
  color: #000000;
  margin-bottom: clamp(8px, 1vw, 10px);
}

.about-page .cs-desc {
  font-family: 'Inter', sans-serif;
  font-size: clamp(13px, 1.2vw, 14px);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -0.03em;
  color: rgba(0, 0, 0, 0.62);
  margin: 0;
  max-width: none;
}

/* Working style */
.about-page .about-working-note {
  margin-top: var(--about-section);
  padding-top: var(--about-section);
  border-top: 1px solid rgba(0, 0, 0, 0.12);
}

.about-page .about-working-note h2 {
  font-size: clamp(32px, 5.8vw, 56px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(14px, 2vw, 20px);
}

/* Reveal */
.about-page .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.about-page .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 859.98px) {
  .about-page {
    --about-pad: 24px;
  }

  .about-page .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .about-page .about-intro {
    grid-template-columns: 1fr;
    grid-template-areas: "photo" "copy";
    gap: 32px;
  }

  .about-page .about-intro__photo {
    max-width: min(280px, 72vw);
  }

  .about-page .skills-grid,
  .about-page .cs-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-page .reveal,
  .about-page .reveal.is-visible {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .about-page .skill-group,
  .about-page .cs-card {
    transition: none !important;
  }
}