/* 신축상가교습소철거 — minimal grid / spec-sheet theme */

:root {
  --primary: #2E4057;
  --accent: #48CAE4;
  --ink: #1E2A38;
  --paper: #FFFFFF;
  --paper-alt: #F4F7F9;
  --line: #D7E0E6;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "IBM Plex Sans KR", "Noto Sans KR", -apple-system, sans-serif;
  font-display: swap;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

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

a { color: var(--primary); }

.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 {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-bar {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 4px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  margin: 0 auto;
}

.site-nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.94rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--primary);
  border-bottom-color: var(--accent);
}

/* ---------- Hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 20px 0;
  gap: 24px;
}

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
  margin: 0 0 10px;
  border-left: 3px solid var(--accent);
  padding-left: 10px;
}

.hero h1 {
  font-size: 2rem;
  line-height: 1.3;
  margin: 0 0 14px;
  color: var(--primary);
  letter-spacing: -0.01em;
}

.lede {
  font-size: 1.02rem;
  color: var(--ink);
  margin: 0 0 22px;
  max-width: 62ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 2px;
  border: 1px solid var(--primary);
}

.btn:hover { background: #24334A; }

.hero-media img {
  width: 100%;
  border: 1px solid var(--line);
}

/* ---------- Spec band ---------- */

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

.specband {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}

.specitem {
  padding: 16px 18px;
  border-right: 1px solid var(--line);
  background: var(--paper-alt);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.specitem:last-child { border-right: none; }

.spec-k {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--primary);
  text-transform: uppercase;
  font-weight: 600;
}

.spec-v {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

/* ---------- Spec sheet content grid ---------- */

.sheet {
  margin: 40px 0 60px;
  border-top: 1px solid var(--line);
}

.row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.row-label {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--paper);
  background: var(--primary);
  border-radius: 2px;
  padding: 3px 8px;
  letter-spacing: 0.03em;
}

.row-label h2 {
  font-size: 1.15rem;
  margin: 0;
  color: var(--primary);
  line-height: 1.4;
}

.row-body p {
  margin: 0 0 16px;
  font-size: 1rem;
}

.row-body p:last-child { margin-bottom: 0; }

.block-sub {
  color: #4A5A6A;
  font-size: 0.95rem;
}

/* table */

.table-scroll { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

caption { text-align: left; }

th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 0.94rem;
  vertical-align: top;
}

th {
  background: var(--paper-alt);
  color: var(--primary);
  font-weight: 700;
  border-bottom: 2px solid var(--accent);
}

/* checklist */

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.checklist li {
  position: relative;
  padding: 12px 16px 12px 42px;
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 0.97rem;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid var(--primary);
  border-radius: 3px;
  background: var(--paper);
}

/* gallery */

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 14px;
}

.gallery picture {
  display: block;
  border: 1px solid var(--line);
}

/* cta row */

.cta-row { border-bottom: none; }

.cta-row .row-body {
  grid-column: 1 / -1;
  background: var(--paper-alt);
  border: 1px solid var(--line);
  padding: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.cta-body p {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  max-width: 46ch;
}

/* ---------- Footer ---------- */

footer {
  background: var(--primary);
  color: #E7EEF2;
  padding: 40px 20px 28px;
}

footer nav {
  max-width: 1280px;
  margin: 0 auto 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

footer nav a {
  color: #E7EEF2;
  text-decoration: none;
  font-size: 0.92rem;
  padding: 4px 2px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

footer nav a:hover { color: var(--accent); }

address {
  max-width: 1280px;
  margin: 0 auto 18px;
  font-style: normal;
  font-size: 0.88rem;
  line-height: 1.8;
  color: #C9D6DE;
  border-top: 1px solid #4A5C72;
  padding-top: 18px;
}

address a {
  color: var(--accent);
  text-decoration: none;
}

footer p {
  max-width: 1280px;
  margin: 0 auto;
  font-size: 0.82rem;
  color: #9FB1BE;
}

/* ---------- Breakpoints ---------- */

@media (min-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    padding-top: 44px;
  }
  .hero h1 { font-size: 2.5rem; }
  .specband { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    flex-direction: column;
    gap: 2px;
    padding-bottom: 16px;
  }
  .site-nav.open { display: flex; }
  .row {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .specband { grid-template-columns: 1fr; }
  .specitem { border-right: none; border-bottom: 1px solid var(--line); }
  .specitem:last-child { border-bottom: none; }
  .gallery { grid-template-columns: 1fr; }
  .cta-row .row-body { flex-direction: column; align-items: stretch; }
  .cta-row .btn { width: 100%; }
}

@media (min-width: 1024px) {
  .row { grid-template-columns: 260px 1fr; }
  .hero h1 { font-size: 2.7rem; }
}

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

.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; }
}