/* academy-demolition-contractor — primary #1D3557 / accent #E63946 / Pretendard */

:root {
  --primary: #1D3557;
  --primary-dark: #14263F;
  --accent: #E63946;
  --bg: #F4F6F9;
  --card-bg: #FFFFFF;
  --text: #1B1F27;
  --text-muted: #48505C;
  --border: #D8DEE6;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: "Pretendard", -apple-system, "Malgun Gothic", sans-serif;
  font-display: swap;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--primary);
  text-decoration-color: var(--accent);
}
a:hover, a:focus-visible { color: var(--accent); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Header */
.site-header {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.site-header nav a {
  color: #E8EDF5;
  text-decoration: none;
  font-size: 0.92rem;
  padding: 10px 12px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

/* Hero */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 32px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  color: var(--primary);
  margin: 0 0 14px;
  line-height: 1.35;
}

.hero .lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 18px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.badge {
  display: inline-flex;
  align-items: center;
  background: #EDF1F8;
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  min-height: 36px;
}

.hero-img img,
.hero-img picture {
  border-radius: 12px;
  overflow: hidden;
}

.hero-img {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(29,53,87,0.18);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  padding: 12px 26px;
  border-radius: 8px;
  min-height: 48px;
  min-width: 44px;
  font-size: 1rem;
}

.cta-btn:hover, .cta-btn:focus-visible {
  background: #C62733;
  color: #fff;
}

/* Content */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

.content-block {
  padding: 36px 0;
  border-top: 1px solid var(--border);
}

.content-block h2 {
  color: var(--primary);
  font-size: 1.5rem;
  margin: 0 0 16px;
}

.content-block h3 {
  color: var(--primary-dark);
  font-size: 1.15rem;
  margin: 0 0 10px;
}

.content-block p { color: var(--text); margin: 0 0 14px; }
.content-block p:last-child { margin-bottom: 0; }

/* Checklist cards */
.checklist-cards .card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 22px 24px;
  margin-bottom: 18px;
  box-shadow: 0 2px 8px rgba(29,53,87,0.06);
}

.checklist-cards .card:last-child { margin-bottom: 0; }

/* Table */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
  background: var(--card-bg);
}

th, td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

thead th {
  background: var(--primary);
  color: #fff;
}

tbody tr:last-child td { border-bottom: none; }

.table-note { margin-top: 14px; color: var(--text-muted); }

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.gallery-grid picture {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(29,53,87,0.1);
}

/* Caution */
.caution ul {
  margin: 0 0 16px;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.caution li {
  background: #FDECEE;
  border: 1px solid #F4C4C8;
  border-radius: 8px;
  padding: 12px 16px;
  color: #7A1B23;
  font-size: 0.95rem;
}

/* CTA block */
.cta-block {
  text-align: center;
  background: var(--primary);
  border-radius: 14px;
  padding: 40px 24px;
  border-top: none;
}

.cta-block h2 { color: #fff; }
.cta-block p { color: #DDE4EF; max-width: 560px; margin-left: auto; margin-right: auto; }

/* Footer */
footer {
  background: var(--primary-dark);
  color: #E8EDF5;
  padding: 40px 20px 30px;
}

footer nav {
  max-width: 1200px;
  margin: 0 auto 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

footer nav a {
  color: #E8EDF5;
  text-decoration: none;
  font-size: 0.9rem;
  padding: 10px 12px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
}

footer nav a:hover, footer nav a:focus-visible {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

footer address {
  max-width: 1200px;
  margin: 0 auto 16px;
  font-style: normal;
  font-size: 0.9rem;
  line-height: 1.9;
  color: #C7D0DE;
}

footer address a {
  color: #fff;
  font-weight: 600;
}

footer p {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.8rem;
  color: #97A3B8;
}

/* Breakpoints */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .hero-img { order: -1; }
}

@media (max-width: 768px) {
  .site-header nav { gap: 2px; }
  .site-header nav a { font-size: 0.85rem; padding: 8px 10px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .content-block { padding: 28px 0; }
}

@media (max-width: 480px) {
  .header-inner { padding: 12px 16px; }
  main { padding: 0 16px 48px; }
  .hero { padding: 28px 16px; }
  .checklist-cards .card { padding: 18px; }
  .cta-block { padding: 32px 18px; }
  th, td { padding: 12px 10px; font-size: 0.88rem; }
}

@media (min-width: 1280px) {
  .hero { padding: 56px 20px; }
}

.related-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.related-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line, #ddd);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--paper, #fff);
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.related-card:hover,
.related-card:focus-visible {
  border-color: currentColor;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.related-card-arrow { opacity: 0.6; flex-shrink: 0; }
@media (max-width: 480px) {
  .related-cards { grid-template-columns: 1fr; }
}