/* hero — layout.css의 .hero(전체화면)를 일반 섹션으로 override */
.a11y-hero {
  min-height: unset;
  display: block;
  padding: 8rem 3rem 5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.a11y-hero .hero-title {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1;
  margin-bottom: 1.25rem;
  opacity: 1;
  animation: none;
}
.a11y-hero .hero-desc {
  font-size: 1rem;
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  opacity: 1;
  animation: none;
}

.cases {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 3rem 6rem;
  display: flex;
  flex-direction: column;
  gap: 5rem;
}

.ba-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.summary-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 3rem 6rem;
}

.back-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 3rem 5rem;
}

/* NAV */
.nav-back {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-back:hover {
  color: var(--accent);
}

.nav-title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
}
.nav-title span {
  color: var(--accent);
}

/* HERO TAG / STATS */
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.hero-tag::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
}
.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-top: 0.2rem;
  font-weight: 300;
}

/* CASE HEADER */
.case-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}
.case-num {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  background: var(--color-surface);
  padding: 0.3rem 0.7rem;
  border-radius: 2rem;
  white-space: nowrap;
  margin-top: 0.2rem;
}
.case-meta {
  flex: 1;
}
.case-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}
.case-summary {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.6;
  font-weight: 300;
}
.wcag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.25rem 0.6rem;
  margin-top: 0.6rem;
}

/* BEFORE / AFTER */
.ba-card {
  border-radius: 0.5rem;
  overflow: hidden;
}
.ba-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.ba-card.before .ba-label {
  background: var(--bad-bg);
  color: var(--bad);
  border: 1px solid var(--bad-border);
  border-bottom: none;
}
.ba-card.after .ba-label {
  background: var(--good-bg);
  color: var(--good);
  border: 1px solid var(--good-border);
  border-bottom: none;
}
.ba-label-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.ba-code {
  margin: 0;
  padding: 1.25rem;
  background: var(--code-bg);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: #fff;
}
.ba-card.before .ba-code {
  border-top: 2px solid var(--bad);
}
.ba-card.after .ba-code {
  border-top: 2px solid var(--good);
}

/* code color */
.token-tag {
  color: #89b4fa;
}
.token-attr {
  color: #cba6f7;
}
.token-val {
  color: #a6e3a1;
}
.token-comment {
  color: #585b70;
  font-style: italic;
}
.token-bad {
  color: #f38ba8;
}
.token-good {
  color: #a6e3a1;
}
.token-text {
  color: #cdd6f4;
}

/* REASON BOX */
.reason-box {
  background: var(--good-bg);
  border: 1px solid var(--good-border);
  border-left: 3px solid var(--accent);
  padding: 1.25rem 1.5rem;
  border-radius: 0 0.4rem 0.4rem 0;
}
.reason-title {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.reason-desc {
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.7;
  font-weight: 300;
}
.reason-desc strong {
  font-weight: 500;
  color: var(--accent);
}

/* SUMMARY TABLE */
.summary-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.summary-title .hi {
  color: var(--accent);
}
.summary-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--color-border);
}
.summary-table th {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 700;
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}
.summary-table td {
  font-size: 0.85rem;
  color: var(--color-text);
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.5;
  vertical-align: top;
}
.summary-table tr:last-child td {
  border-bottom: none;
}
.summary-table tr:hover td {
  background: var(--accent-soft);
}
.badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 2rem;
}
.badge.level-a {
  background: #fef3c7;
  color: #92400e;
}
.badge.level-aa {
  background: var(--good-bg);
  color: var(--good);
}

/* BACK BTN */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent);
  color: #fff;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}
.back-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--accent-vivid);
}

/* 반응형 */
@media (max-width: 768px) {
  .a11y-hero {
    padding: 7rem 1.5rem 3rem;
  }
  .cases {
    padding: 3rem 1.5rem 4rem;
  }
  .ba-grid {
    grid-template-columns: 1fr;
  }
  .summary-wrap {
    padding: 3rem 1.5rem 4rem;
  }
  .back-section {
    padding: 0 1.5rem 4rem;
  }
  .case-header {
    flex-direction: column;
    gap: 0.75rem;
  }
  .summary-table th:nth-child(3),
  .summary-table td:nth-child(3) {
    display: none;
  }
  .summary-table th:nth-child(5),
  .summary-table td:nth-child(5) {
    display: none;
  }
}