:root {
  --accent: #1E4544;
  --accent-soft: #DDECEA;
  --ink: #121A19;
  --sub: #4F5E5C;
  --line: #DDE5E3;
  --bg-1: #D5E3E1;
  --bg-2: #E4EEEC;
  --bg-3: #F0F5F4;
  --bg-4: #F6FAF9;
  --bg-5: #E8F1F0;
  --bg-6: #DDECEA;
  --bg-7: #FBFCFC;
  --bg-8: #EEF4F3;
  --hero-tint: #F0F5F4;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Pretendard Variable", Pretendard, -apple-system, sans-serif;
  font-weight: 400;
  letter-spacing: -0.3px;
  color: var(--ink);
  background: #FFFFFF;
  padding-bottom: 72px;
}
@media (min-width: 768px) { body { padding-bottom: 0; } }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-weight: 700; margin: 0 0 16px; line-height: 1.32; }
p { line-height: 1.75; color: var(--sub); margin: 0 0 16px; }

/* ---------- topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 200;
  background: #FFFFFF; border-bottom: 1px solid var(--line);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 34px; height: 34px; color: var(--accent); flex: none; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-brand { font-size: 13px; font-weight: 600; color: var(--sub); letter-spacing: 0.5px; }
.logo-keyword { font-size: 19px; font-weight: 700; color: var(--ink); }

.nav {
  display: none; align-items: center; gap: 30px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 16px; font-weight: 600; letter-spacing: -0.035em; text-transform: uppercase;
}
@media (min-width: 900px) { .nav { display: flex; } }
.nav a { color: var(--ink); }
.nav .navdrop { position: relative; }
.nav .navdrop > a::after { content: " ▾"; font-size: 12px; }
.navdrop-menu {
  position: absolute; top: 100%; left: 0; min-width: 190px; z-index: 201;
  background: #FFFFFF; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 8px 8px; display: none; box-shadow: 0 16px 32px rgba(0,0,0,0.10);
}
.navdrop:hover .navdrop-menu, .navdrop:focus-within .navdrop-menu { display: block; }
.navdrop-menu a {
  display: block; padding: 10px 12px; border-radius: 6px;
  font-size: 14px; font-weight: 600; letter-spacing: -0.035em; text-transform: uppercase;
}
.navdrop-menu a:hover { background: var(--bg-3); }
.nav a.nav-cta {
  padding: 11px 22px; border-radius: 999px; background: var(--accent); color: #FFF;
  font-weight: 600; font-size: 15px; text-transform: none; letter-spacing: -0.3px;
}

/* ---------- mobile hamburger + drawer ---------- */
.hamburger {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; background: none; border: none; cursor: pointer; padding: 0;
}
@media (min-width: 900px) { .hamburger { display: none; } }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 0 auto; }
.mobile-nav {
  display: none; flex-direction: column; background: #FFFFFF; border-top: 1px solid var(--line);
  padding: 8px 24px 20px;
}
.mobile-nav.is-open { display: flex; }
@media (min-width: 900px) { .mobile-nav { display: none !important; } }
.mobile-nav a { padding: 13px 0; font-size: 16px; border-bottom: 1px solid var(--line); }
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav-cta { color: var(--accent) !important; font-weight: 700; }

/* ---------- hero: start-style card ---------- */
.hero { background: #FFFFFF; padding: 28px 20px 40px; }
.hero__inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr; gap: 32px;
}
@media (min-width: 900px) {
  .hero__inner { grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
}
.hero-text-box {
  background: var(--hero-tint); border-radius: 26px; padding: 48px 40px;
}
.hero-eyebrow {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.4px;
  color: var(--accent); background: rgba(30,69,68,0.08); padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: 34px; margin-bottom: 14px; }
@media (min-width: 900px) { .hero h1 { font-size: 44px; } }
.hero .hero-sub { font-size: 16px; line-height: 1.75; margin-bottom: 24px; max-width: 46ch; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.btn-fill, .btn-line {
  display: inline-block; padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: 15px;
}
.btn-fill { background: var(--accent); color: #FFF; }
.btn-line { border: 1.5px solid var(--ink); color: var(--ink); }
.hero-checks { list-style: none; padding: 0; margin: 0; display: flex; gap: 20px; flex-wrap: wrap;
  border-top: 1px solid rgba(0,0,0,0.08); padding-top: 18px; font-size: 14px; color: var(--sub); }
.hero-checks li::before { content: "✓ "; color: var(--accent); font-weight: 700; }
.hero-media {
  border-radius: 18px; overflow: hidden; box-shadow: 0 20px 44px rgba(0,0,0,0.14);
  background: #FFFFFF; display: flex; align-items: center; justify-content: center; max-height: 480px;
}
.hero-media img { width: 100%; height: 100%; object-fit: contain; max-height: 480px; }

/* ---------- generic section ---------- */
.section { padding: 96px 0; }
@media (max-width: 600px) { .section { padding: 64px 0; } }
.section-label { font-size: 14px; font-weight: 700; letter-spacing: 1px; color: var(--accent); margin-bottom: 12px; }
.section-title { font-size: 30px; margin-bottom: 20px; }
.section-lead { font-size: 16px; max-width: 640px; }

/* ---------- about ---------- */
.about-body { display: grid; gap: 18px; max-width: 760px; }

/* ---------- service ---------- */
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 36px; }
@media (min-width: 900px) { .service-grid { grid-template-columns: repeat(4, 1fr); } }
.service-item .svc-icon { display: block; width: 44px; height: 44px; flex-shrink: 0; overflow: hidden; color: var(--accent); margin-bottom: 16px; }
.service-item .svc-icon svg { display: block; width: 100%; height: 100%; max-width: 44px; max-height: 44px; }
@media (max-width: 767px) {
  .service-item .svc-icon { width: 36px; height: 36px; }
  .service-item .svc-icon svg { max-width: 36px; max-height: 36px; }
}
.service-item h3 { font-size: 18px; margin-bottom: 8px; }
.service-item p { font-size: 14.5px; margin-bottom: 0; }

/* ---------- cases (design_id=1: 3-col, white card, hover scale) ---------- */
.case-grid { display: grid; grid-template-columns: 1fr; gap: 24px; margin-top: 36px; }
@media (min-width: 700px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .case-grid { grid-template-columns: repeat(3, 1fr); } }
.case-grid.case-grid--pair { max-width: 640px; margin-left: auto; margin-right: auto; }
@media (min-width: 1000px) { .case-grid.case-grid--pair { grid-template-columns: repeat(2, 1fr); } }
.case-card {
  background: #FFFFFF; border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  transition: box-shadow .25s ease;
}
.case-card:hover { box-shadow: 0 18px 34px rgba(0,0,0,0.12); }
.case-thumb { aspect-ratio: 4/3; overflow: hidden; background: var(--bg-6); }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.case-card:hover .case-thumb img { transform: scale(1.03); }
.case-body { padding: 20px 22px 24px; }
.case-tag { font-size: 12.5px; color: var(--accent); font-weight: 700; margin-bottom: 8px; }
.case-body h3 { font-size: 17px; margin-bottom: 8px; }
.case-body p { font-size: 14px; margin-bottom: 0; }
.case-more { text-align: center; margin-top: 40px; }

.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 48px; flex-wrap: wrap; }
.pagination-num, .pagination-arrow {
  min-width: 40px; height: 40px; padding: 0 12px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14.5px; font-weight: 600; color: var(--ink); border: 1px solid transparent;
}
.pagination-num { border-color: var(--line); background: #FFF; }
.pagination-num:hover { border-color: var(--accent); color: var(--accent); }
.pagination-num.is-current { background: var(--accent); border-color: var(--accent); color: #FFF; }
.pagination-arrow { color: var(--sub); }
.pagination-arrow:hover { color: var(--accent); }

/* ---------- process ---------- */
.process-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--line); margin-top: 36px; }
@media (min-width: 800px) { .process-list { grid-template-columns: repeat(4, 1fr); } }
.process-item { padding: 28px 20px 28px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
@media (min-width: 800px) { .process-item { border-bottom: none; } }
.process-item:first-child { padding-left: 0; }
.process-item:nth-child(2n) { border-right: none; }
@media (min-width: 800px) {
  .process-item:nth-child(2n) { border-right: 1px solid var(--line); }
  .process-item:last-child { border-right: none; }
}
.pnum { color: var(--accent); font-weight: 700; font-size: 13px; display: block; margin-bottom: 10px; }
.process-item h3 { font-size: 16.5px; margin-bottom: 8px; }
.process-item p { font-size: 13.5px; margin-bottom: 0; }

/* ---------- region ---------- */
.region-groups { margin-top: 36px; display: grid; gap: 28px; }
.region-group h3 { font-size: 15px; color: var(--sub); font-weight: 600; margin-bottom: 12px; }
.region-links { display: flex; flex-wrap: wrap; gap: 10px; }
.region-links a { padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; background: #FFF; }
.region-links a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- faq ---------- */
.faq-list { margin-top: 32px; display: grid; gap: 14px; }
.faq-item { border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; background: #FFF; }
.faq-item h3 { font-size: 15.5px; margin-bottom: 8px; }
.faq-item p { font-size: 14px; margin-bottom: 0; }

/* ---------- closing ---------- */
.closing { position: relative; height: 600px; display: flex; align-items: center; justify-content: center; color: #FFF; text-align: center; overflow: hidden; }
@media (max-width: 600px) { .closing { height: 480px; } }
.closing img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.closing::after { content: ""; position: absolute; inset: 0; background: rgba(10,20,19,0.58); z-index: 1; }
.closing--solid { background: linear-gradient(160deg, #1E4544, #0E1F1E); }
.closing--solid::after { display: none; }
.closing-inner { position: relative; z-index: 2; max-width: 640px; padding: 0 24px; }
.closing-head { font-size: 28px; font-weight: 700; margin-bottom: 14px; color: #FFFFFF; text-shadow: 0 2px 16px rgba(0,0,0,0.5); }
@media (min-width: 700px) { .closing-head { font-size: 34px; } }
.closing-quote { font-size: 15px; color: rgba(255,255,255,0.78); margin-bottom: 28px; text-shadow: 0 2px 12px rgba(0,0,0,0.4); }
.closing-cta { display: inline-block; padding: 15px 34px; background: transparent; color: #FFF; border: 1px solid #FFF; border-radius: 0; font-weight: 600; }
.closing-cta:hover { background: rgba(255,255,255,0.1); }

/* ---------- footer ---------- */
footer { background: #FFFFFF; color: #000; border-top: 1px solid var(--line); padding: 56px 0 100px; }
@media (min-width: 768px) { footer { padding-bottom: 56px; } }
.footer-grid { display: grid; gap: 28px; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.3fr 1fr; } }
.footer-brand { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.footer-info { font-size: 13.5px; color: var(--sub); line-height: 1.9; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.footer-bottom { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 12.5px; color: #7C8B88; }
.footer-notice { margin-top: 28px; padding: 16px 18px; background: var(--bg-5); border-radius: 10px; display: flex; align-items: center; gap: 14px; }
.footer-notice__badge { flex: none; border-radius: 50%; }
.footer-notice p { font-size: 12.5px; color: #7C8B88; margin: 0; }

/* ---------- page hero (subpages) ---------- */
.page-hero { position: relative; padding: 56px 20px; overflow: visible; }
.page-hero__inner {
  max-width: 1180px; margin: 0 auto; background: var(--hero-tint); border-radius: 22px;
  padding: 44px 36px;
}
.page-hero .eyebrow { font-size: 13px; font-weight: 700; color: var(--accent); margin-bottom: 10px; display: block; }
.page-hero h1 { font-size: 28px; margin-bottom: 10px; }
@media (min-width: 800px) { .page-hero h1 { font-size: 34px; } }
.page-hero p { max-width: 60ch; margin-bottom: 0; }

/* ---------- case detail full-photo hero (page-hero--photo) ---------- */
.page-hero--photo { position: relative; z-index: 0; min-height: 420px; padding: 0; overflow: hidden;
  display: flex; align-items: center; justify-content: center; text-align: center; }
.page-hero--photo .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.page-hero--photo::after { content: ""; position: absolute; inset: 0; background: rgba(10,20,19,0.5); pointer-events: none; z-index: 0; }
.page-hero--photo .copy { position: relative; z-index: 1; color: #FFF; pointer-events: none; padding: 40px 24px; }
.page-hero--photo .eyebrow { color: #FFF; opacity: 0.9; }
.page-hero--photo h1 { color: #FFF; font-size: 32px; margin-bottom: 0; }
@media (min-width: 800px) { .page-hero--photo h1 { font-size: 40px; } }

/* ---------- case / region detail body ---------- */
.detail-body { padding: 80px 0; }
.detail-photo { max-width: 620px; margin: 0 auto 28px; border-radius: 18px; overflow: hidden;
  box-shadow: 0 16px 34px rgba(0,0,0,0.12); background: var(--bg-5); }
.detail-photo img { width: 100%; height: auto; object-fit: contain; max-height: 620px; margin: 0 auto; }
.detail-label { text-align: center; font-size: 13px; color: var(--accent); font-weight: 700; margin-bottom: 10px; }
.detail-h2 { text-align: center; font-size: 20px; margin-bottom: 24px; }
.detail-text { max-width: 680px; margin: 0 auto; font-size: 15.5px; }
.case-detail-text { max-width: 640px; margin: 0 auto; text-align: left; }
.case-detail-text p { font-size: 16px; line-height: 1.85; color: var(--sub); margin: 0 0 18px; }
.case-detail-text p:last-child { margin-bottom: 0; }
.detail-back { text-align: center; margin: 40px 0 0; }

/* ---------- cost table (AEO) ---------- */
.cost-table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14.5px; }
.cost-table th, .cost-table td { border: 1px solid var(--line); padding: 12px 14px; text-align: left; }
.cost-table th { background: var(--bg-3); font-weight: 700; color: var(--ink); }
.cost-table td { color: var(--sub); }

/* ---------- mobile bottom bar ---------- */
.mobile-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: grid; grid-template-columns: 1fr 1fr;
  height: 60px; background: var(--accent); }
@media (min-width: 768px) { .mobile-bar { display: none; } }
.mobile-bar a { display: flex; align-items: center; justify-content: center; color: #FFF; font-weight: 600; font-size: 15px; }
.mobile-bar a:first-child { background: rgba(255,255,255,0.12); }

/* prose */
.prose p { font-size: 15.5px; }