/* 포털 레이아웃 */
.portal-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.portal-header .logo { font-weight: 800; font-size: 18px; letter-spacing: -.02em; }
.portal-header .logo .accent { color: var(--accent); }
.portal-header .family { font-size: 12px; color: var(--ink-soft); margin-left: 10px; }

/* 히어로: 배경 이미지 슬롯 (추후 실사/수채/유화 로테이션 자리) */
.hero {
  position: relative;
  min-height: 320px;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center; padding: 60px 20px;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(46,111,191,.14), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(201,118,43,.13), transparent 50%),
    var(--bg-soft);
  /* TODO(배경 로테이션): .hero { background-image:url(assets/bg/xxx.webp) } 를 시간대/방문마다 교체 */
  border-bottom: 1px solid var(--line);
  transition: background .35s ease;
}
html[data-theme="night"] .hero {
  background:
    radial-gradient(ellipse at 25% 15%, rgba(232,169,76,.10), transparent 55%),
    radial-gradient(ellipse at 75% 80%, rgba(46,111,191,.10), transparent 55%),
    var(--bg-soft);
}
.hero h1 { font-size: clamp(26px, 5vw, 40px); margin: 0 0 12px; letter-spacing: -.02em; }
.hero h1 .accent { color: var(--accent); }
.hero .mission { font-size: clamp(14px, 2.4vw, 17px); color: var(--ink-soft); max-width: 620px; line-height: 1.7; margin: 0; }
.hero .mission b { color: var(--accent-warm); }

.section { max-width: 1080px; margin: 0 auto; padding: 40px 20px 10px; }
.section h2 { font-size: 19px; margin: 0 0 4px; }
.section .sec-sub { font-size: 13px; color: var(--ink-soft); margin: 0 0 18px; }

/* 시대 카드 */
.era-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.era-card {
  display: block; background: var(--surface); border: 1px solid var(--line);
  border-radius: 16px; padding: 20px 18px; box-shadow: var(--shadow);
  transition: transform .18s ease, border-color .18s ease;
}
.era-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.era-card .icon { font-size: 26px; margin-bottom: 10px; color: var(--accent); }
.era-card h3 { font-size: 16px; margin: 0 0 4px; }
.era-card .range { font-size: 12px; color: var(--accent-warm); margin-bottom: 8px; font-weight: 700; }
.era-card p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.6; margin: 0; }

/* 카테고리 카드 */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.cat-card {
  display: block; background: var(--surface); border: 1px solid var(--line);
  border-radius: 16px; padding: 18px; box-shadow: var(--shadow);
  transition: transform .18s ease, border-color .18s ease;
}
.cat-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.cat-card h3 { font-size: 15px; margin: 0 0 6px; }
.cat-card p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.6; margin: 0; }
.cat-card .soon { display: inline-block; font-size: 10px; border: 1px solid var(--accent-warm); color: var(--accent-warm); border-radius: 6px; padding: 1px 6px; margin-left: 6px; vertical-align: middle; }

/* 오늘의 질문 (로테이션 슬롯) */
.today-q {
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  border: 1px dashed var(--accent);
  border-radius: 18px; padding: 26px; text-align: center;
}
.today-q .label { font-size: 11px; letter-spacing: .12em; color: var(--accent); margin-bottom: 10px; }
.today-q .q { font-size: clamp(17px, 3vw, 22px); font-weight: 800; line-height: 1.5; }
.today-q .who { font-size: 12.5px; color: var(--ink-soft); margin-top: 10px; }

footer { text-align: center; font-size: 12px; color: var(--ink-soft); padding: 40px 20px 30px; }
footer .fam a { color: var(--accent); }