/* 페이지 골격 — 단일 컬럼, 넓은 행간, 저시력 친화 */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--primary);
  color: var(--primary-text);
  padding: 14px 22px;
  font-weight: 700;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus {
  left: 0;
}

header.site-header {
  background: var(--primary);
  color: #ffffff;
  border-bottom: 4px solid var(--accent);
}
[data-theme="dark"] header.site-header {
  background: var(--surface);
  color: var(--text);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--gap);
}
.brand {
  font-size: var(--font-lg);
  font-weight: 800;
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: var(--touch);
}
.brand .brand-sub {
  font-size: var(--font-sm);
  font-weight: 500;
  opacity: .92;
}

nav.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-left: auto;
}
nav.main-nav a {
  color: inherit;
  text-decoration: none;
  font-weight: 600;
  padding: 10px 16px;
  min-height: var(--touch);
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
}
nav.main-nav a:hover { border-color: currentColor; }
nav.main-nav a[aria-current="page"] {
  background: rgba(255,255,255,.16);
  border-color: currentColor;
}
[data-theme="dark"] nav.main-nav a[aria-current="page"] {
  background: var(--surface-alt);
}

.a11y-tools {
  display: flex;
  gap: 6px;
  align-items: center;
}

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 28px 20px 64px;
}

footer.site-footer {
  border-top: 2px solid var(--border);
  background: var(--surface-alt);
  margin-top: 40px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 26px 20px;
  font-size: var(--font-sm);
  color: var(--text-muted);
  display: grid;
  gap: 8px;
}

h1 { font-size: 1.7rem; line-height: 1.35; margin: 0 0 10px; }
h2 { font-size: 1.32rem; margin: 34px 0 12px; }
h3 { font-size: 1.12rem; margin: 22px 0 8px; }
p { margin: 8px 0; }

.page-lead {
  color: var(--text-muted);
  margin-bottom: 24px;
}

@media (max-width: 720px) {
  .header-inner { padding: 10px 12px; }
  main { padding: 20px 14px 56px; }
  nav.main-nav { margin-left: 0; width: 100%; }
}