:root {
  --primary: #1b3a5c;
  --primary-dark: #12283f;
  --accent: #e8792b;
  --gray-50: #f7f8fa;
  --gray-100: #eef0f3;
  --gray-200: #dde1e7;
  --gray-600: #5b6474;
  --gray-800: #23293a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, "Pretendard", "Noto Sans KR", "Malgun Gothic", sans-serif;
  color: var(--gray-800);
  background: #fff;
  line-height: 1.6;
  word-break: keep-all;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.85); backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.site-header .logo img { height: 40px; width: auto; }
.site-nav-links { flex: 1; display: flex; align-items: center; justify-content: center; gap: 28px; }
.site-nav-links a { font-weight: 600; font-size: 0.95rem; color: var(--gray-800); }
.site-nav-links a:hover { color: var(--primary); }
.site-nav-actions { display: flex; align-items: center; gap: 16px; }
.btn-consult-header {
  background: var(--primary); color: #fff !important; padding: 10px 20px;
  border-radius: 8px; font-weight: 700;
}
.hamburger { display: none; background: none; border: none; font-size: 1.6rem; cursor: pointer; }
@media (max-width: 768px) {
  .site-nav-links { display: none; }
  .hamburger { display: block; }
  .site-nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; padding: 16px 20px; gap: 16px; box-shadow: 0 8px 16px rgba(0,0,0,0.08);
  }
}

/* Hero */
.hero { position: relative; margin-top: 68px; min-height: 760px; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(18,40,63,0.88), rgba(18,40,63,0.55)); opacity: 0; }
.hero-content { position: relative; z-index: 2; color: #fff; max-width: 640px; padding: 100px 20px 80px; }
.hero-badge {
  display: inline-block; background: var(--accent); color: #fff; font-size: 0.85rem; font-weight: 700;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero-content h1 { font-size: 2.6rem; line-height: 1.25; margin: 0 0 16px; }
.hero-content p { font-size: 1.1rem; color: #e7ecf3; margin: 0 0 28px; }
.hero-scroll-hint { display: none; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 14px 28px; border-radius: 8px; font-weight: 700; cursor: pointer; border: none; font-size: 1rem; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-outline { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.6); }
.hero-controls { position: absolute; bottom: 24px; left: 0; right: 0; display: flex; justify-content: center; gap: 8px; z-index: 2; }
.hero-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.5); }
.hero-dot.active { background: #fff; }
@media (max-width: 640px) {
  .hero-content h1 { font-size: 1.9rem; }
  .hero { min-height: 620px; }
  .hero-scroll-hint {
    display: inline-flex; align-items: center; gap: 6px;
    color: #fff; font-size: 0.85rem; font-weight: 600; opacity: 0.9;
    margin: 4px 0 24px; animation: bob 2s ease-in-out infinite;
  }
  @keyframes bob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
  }
}

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--gray-50); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 44px; }
.section-head .eyebrow { color: var(--accent); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.02em; }
.section-head h2 { font-size: 1.9rem; margin: 8px 0 12px; }
.section-head p { color: var(--gray-600); margin: 0; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }


.case-card {
  background: #fff; border-radius: 14px; overflow: hidden; border: 1px solid var(--gray-200);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.case-card:hover { transform: translateY(-6px); box-shadow: 0 16px 32px rgba(18,40,63,0.12); }
.case-card img { aspect-ratio: 16/10; object-fit: cover; }
.case-card .body { padding: 18px 20px; }
.case-card .tag { color: var(--accent); font-weight: 700; font-size: 0.8rem; }
.case-card h3 { margin: 8px 0 6px; font-size: 1.05rem; }
.case-card p { margin: 0; color: var(--gray-600); font-size: 0.92rem; }

.area-badges { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 0 0 8px; }
.area-badge { padding: 6px 14px; border-radius: 999px; background: var(--gray-100); color: var(--gray-800); font-size: 0.85rem; font-weight: 600; }

.service-item { text-align: center; padding: 28px 16px; background: #fff; border-radius: 14px; border: 1px solid var(--gray-200); }
.service-item .icon { font-size: 2.2rem; margin-bottom: 12px; }
.service-item h3 { margin: 0 0 6px; font-size: 1.05rem; }
.service-item p { margin: 0; color: var(--gray-600); font-size: 0.9rem; }

.stat-item { text-align: center; }
.stat-item .num { font-size: 2.4rem; font-weight: 800; color: var(--primary); }
.stat-item .label { color: var(--gray-600); margin-top: 4px; }

.process-steps { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px; }
.process-step { flex: 1; min-width: 180px; background: #fff; border-radius: 14px; border: 1px solid var(--gray-200); padding: 24px 18px; }
.process-step .num { display: inline-flex; width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: #fff; align-items: center; justify-content: center; font-weight: 700; margin-bottom: 12px; }

/* Before/After */
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ba-card { border-radius: 14px; overflow: hidden; border: 1px solid var(--gray-200); }
.ba-card .label { padding: 10px 14px; font-weight: 700; font-size: 0.9rem; background: var(--gray-100); }
@media (max-width: 640px) { .ba-grid { grid-template-columns: 1fr; } }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--gray-200); padding: 18px 0; }
.faq-item h3 { margin: 0 0 8px; font-size: 1.02rem; }
.faq-item p { margin: 0; color: var(--gray-600); }

/* CTA section */
.cta-section {
  background: radial-gradient(circle at 30% 20%, rgba(232,121,43,0.35), transparent 60%), linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; padding: 64px 0; text-align: center;
}
.cta-section h2 { font-size: 1.8rem; margin: 0 0 12px; }
.cta-section p { color: #dbe3ee; margin: 0 0 28px; }
.trust-badges { display: flex; justify-content: center; gap: 28px; margin-top: 32px; flex-wrap: wrap; }
.trust-badges span { font-size: 0.9rem; color: #cfd9e6; }

/* Footer */
.site-footer { background: var(--gray-800); color: #c9ced8; padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-size: 0.95rem; margin: 0 0 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; font-size: 0.9rem; }
.site-footer li a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 40px; padding-top: 20px; font-size: 0.8rem; color: #8b91a0; }
.sitemap-links { display: flex; flex-wrap: wrap; gap: 10px 18px; }

/* Floating buttons */
.floating-wrap { position: fixed; right: 20px; bottom: 24px; z-index: 90; display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }
.fab-consult {
  position: relative; background: var(--accent); color: #fff; width: 60px; height: 60px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem; box-shadow: 0 8px 20px rgba(232,121,43,0.45);
}
.fab-consult::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--accent);
  animation: pulse-ring 3s infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.6); opacity: 0; }
}
.fab-top {
  background: #fff; color: var(--gray-800); width: 44px; height: 44px; border-radius: 50%;
  display: none; align-items: center; justify-content: center; box-shadow: 0 6px 14px rgba(0,0,0,0.15);
  border: 1px solid var(--gray-200);
}
.fab-top.show { display: flex; }

/* Breadcrumb */
.breadcrumb { font-size: 0.85rem; color: var(--gray-600); padding: 100px 0 0; }
.breadcrumb a:hover { color: var(--primary); }

/* Buttons block used on consult/404 pages */
.action-buttons { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

/* Sitemap page */
.sitemap-search { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.sitemap-search input[type="text"] {
  flex: 1; min-width: 220px; padding: 12px 16px; border-radius: 10px; border: 1px solid var(--gray-200); font-size: 1rem;
}
.cat-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.cat-filter button {
  padding: 8px 16px; border-radius: 999px; border: 1px solid var(--gray-200); background: #fff; cursor: pointer; font-weight: 600;
}
.cat-filter button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.sitemap-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.sitemap-card {
  background: #fff; border: 1px solid var(--gray-200); border-radius: 14px; padding: 22px 18px; text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.sitemap-card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(18,40,63,0.1); border-color: var(--primary); }
.sitemap-card .icon { font-size: 1.8rem; margin-bottom: 8px; }
.sitemap-card h3 { font-size: 1rem; margin: 0 0 6px; }
.sitemap-card p { font-size: 0.85rem; color: var(--gray-600); margin: 0; }
.result-empty { text-align: center; padding: 40px 0; color: var(--gray-600); }