/* ============================================
   김포 누수탐지 사이트 공통 스타일
   ============================================ */

:root {
  --navy: #0f2a4a;
  --blue: #1a63c9;
  --blue-light: #eaf2fd;
  --amber: #f2a900;
  --text: #26313d;
  --text-light: #6b7684;
  --border: #e3e8ee;
  --bg: #ffffff;
  --bg-soft: #f7f9fc;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Pretendard", "Malgun Gothic", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Top contact bar */
.topbar {
  background: var(--navy);
  color: #fff;
  font-size: 14px;
  padding: 8px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar strong { color: var(--amber); }

/* Header / nav */
header.site-header {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
header.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
}
.logo span { color: var(--blue); }
nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
  font-weight: 600;
  font-size: 15px;
}
.call-btn {
  background: var(--blue);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 700;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: #fff;
  padding: 64px 0;
}
.hero .container { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.hero h1 { font-size: 34px; margin: 0 0 14px; line-height: 1.35; }
.hero p { font-size: 17px; color: #dce8fb; max-width: 480px; }
.hero .badges { margin-top: 22px; display: flex; gap: 10px; flex-wrap: wrap; }
.badge {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
}
.hero-cta {
  background: var(--amber);
  color: var(--navy);
  font-weight: 800;
  font-size: 17px;
  padding: 16px 26px;
  border-radius: 8px;
  display: inline-block;
  margin-top: 24px;
}

/* Sections */
section { padding: 56px 0; }
.section-title { text-align: center; margin-bottom: 8px; font-size: 26px; color: var(--navy); }
.section-sub { text-align: center; color: var(--text-light); margin-bottom: 36px; font-size: 15px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 26px;
}
.card h3 { color: var(--navy); margin-top: 0; }
.card .icon { font-size: 28px; margin-bottom: 10px; }

.area-chip {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  text-align: center;
  font-weight: 600;
  transition: 0.15s;
}
.area-chip:hover { background: var(--blue-light); border-color: var(--blue); color: var(--blue); }

.process-steps { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.step {
  flex: 1;
  min-width: 140px;
  text-align: center;
}
.step .num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  margin: 0 auto 10px;
}

.cta-band {
  background: var(--bg-soft);
  text-align: center;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-band h2 { color: var(--navy); margin-bottom: 8px; }
.cta-phone {
  display: inline-block;
  margin-top: 18px;
  background: var(--blue);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  padding: 16px 32px;
  border-radius: 8px;
}

footer {
  background: var(--navy);
  color: #b9c6da;
  font-size: 13px;
  padding: 30px 0;
}
footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer strong { color: #fff; }

.placeholder-note {
  background: #fff7e6;
  border: 1px dashed var(--amber);
  color: #8a5a00;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin: 20px 0;
}

.breadcrumb { font-size: 13px; color: var(--text-light); margin-bottom: 18px; }

/* Case study gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.gallery figure {
  margin: 0;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.gallery img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}
.gallery figcaption {
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text);
}
.gallery figcaption .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 4px;
}
.case-summary {
  background: var(--blue-light);
  border: 1px solid #cfe0f7;
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 28px;
}
.case-summary h3 { margin-top: 0; color: var(--navy); }

@media (max-width: 780px) {
  .gallery { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  .hero .container { flex-direction: column; text-align: center; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  nav ul { display: none; }
}