/* ============================================================
   HIARC — about.css
   About 페이지

   반응형 전략: clamp(min, viewport식, max)로 375px~1280px 사이를
   부드럽게 보간. 800px 이하에서 섹션 row만 세로 스택으로 전환.
   ============================================================ */

/* ── 히어로 이미지 ───────────────────────────────────────── */
.about-hero {
  padding-top: clamp(24px, 4vw, 48px);
  margin-bottom: clamp(24px, 4vw, 48px);
}

.about-hero img,
.about-hero__video {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1152 / 648;
  object-fit: cover;
}

/* reduced-motion 사용자: 영상 only(이미지 없음)인 경우 hero 자체 숨김 */
@media (prefers-reduced-motion: reduce) {
  .about-hero--has-video:not(:has(img)) .about-hero__video {
    display: none;
  }
}

/* ── 타이틀 헤더 ─────────────────────────────────────────── */
.about-header {
  margin-bottom: clamp(20px, 2.8vw, 32px);
}

.about-header__title {
  font-size: clamp(20px, 3.2vw, 36px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: clamp(10px, 1.4vw, 16px);
}

.about-header__sub {
  font-size: clamp(16px, 2.4vw, 28px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-top: clamp(12px, 1.8vw, 20px);
  margin-bottom: clamp(12px, 1.8vw, 20px);
}

.about-header__sub-hiarc {
  font-weight: 700;
}

.about-header__sub-ideas {
  font-weight: 300;
}

/* ── 본문 ────────────────────────────────────────────────── */
.about-body {
  max-width: 800px;
  font-size: clamp(15px, 1.8vw, 20px);
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: clamp(36px, 5vw, 60px);
}

.about-body strong {
  font-weight: 700;
}

.about-body p {
  margin-bottom: clamp(14px, 1.8vw, 20px);
}

/* ── 섹션 (Exhibition / Archive) ─────────────────────────── */
.about-section {
  margin-top: clamp(36px, 5vw, 60px);
  padding-top: clamp(20px, 2.8vw, 32px);
}

.about-section__heading {
  font-size: clamp(18px, 2.1vw, 24px);
  font-weight: 700;
  font-style: normal;
  line-height: 1.6;
  letter-spacing: -0.005em;
  color: var(--color-text);
  margin-bottom: clamp(16px, 2.2vw, 24px);
}

/* 영문 부분만 italic, 한글 제목은 정자체 */
.about-section__heading-en {
  font-style: italic;
}
.about-section__heading-ko {
  font-style: normal;
}

.about-section__row {
  display: flex;
  gap: clamp(16px, 2.8vw, 32px);
  align-items: flex-start;
}

.about-section__thumb {
  flex-shrink: 0;
  width: clamp(220px, 30vw, 360px);
  overflow: hidden;
}

.about-section__thumb img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 360 / 245;
  object-fit: cover;
}

.about-section__text {
  flex: 1;
  font-size: clamp(15px, 1.8vw, 20px);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: -0.005em;
  color: var(--color-text);
  min-width: 0;
}

.about-section__text p {
  margin-bottom: clamp(12px, 1.4vw, 16px);
}

/* ── 하단 여백 ───────────────────────────────────────────── */
.about-page {
  padding-bottom: clamp(36px, 5vw, 60px);
}

/* ── 800px 이하: 섹션을 세로 스택으로만 전환 ────────────── */
@media (max-width: 800px) {
  .about-body {
    max-width: 100%;
  }

  .about-section__row {
    flex-direction: column;
    gap: clamp(12px, 2.4vw, 20px);
  }

  .about-section__thumb {
    width: 100%;
    max-width: 360px;
  }
}