@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+KR:wght@400;500;600;700&family=Noto+Sans+KR:wght@400;500;700&display=swap");

:root {
  --c-primary: #17255A;
  --c-second: #3E5C97;
  --c-bg: #F4F6FB;
  --c-text: #1A1A2E;
  --c-accent: #E8A33D;
  --radius: 4px;
  --maxw: none;
  --inner: 1060px;
  --leading: 1.65;
  --header-h: 72px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: "Noto Sans KR", -apple-system, sans-serif;
  color: var(--c-text);
  background: #fff;
  line-height: var(--leading);
}

h1, h2, .brandmark span {
  font-family: "IBM Plex Sans KR", "Noto Sans KR", sans-serif;
}

a { color: inherit; }
img { max-width: 100%; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--c-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 300;
}
.skip-link:focus {
  left: 8px;
  top: 8px;
}

:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 2px;
}

/* ---------- Fixed top header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: var(--c-primary);
  z-index: 200;
  box-shadow: inset 0 -3px 0 var(--c-accent);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brandmark {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  margin-right: auto;
}
.brandmark svg { flex-shrink: 0; color: var(--c-accent); }
.brandmark span {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: #C9D3F0;
}
.header-nav {
  display: flex;
  gap: 22px;
}
.header-nav a {
  text-decoration: none;
  color: #DCE3F7;
  font-size: 0.88rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.header-nav a:hover,
.header-nav a:focus-visible {
  border-bottom-color: var(--c-accent);
  color: #fff;
}
.header-cta { display: flex; }
.hamburger-btn { display: none; }

/* ---------- Tabbar (sticky, layout signature) ---------- */
.tabbar {
  position: sticky;
  top: var(--header-h);
  z-index: 150;
  display: flex;
  gap: 0;
  background: #fff;
  border-bottom: 6px solid var(--c-second);
  overflow-x: auto;
  box-shadow: inset 0 8px 12px -10px rgba(23,37,90,0.25);
}
.tabbar a {
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--c-primary);
  font-weight: 600;
  font-size: 0.86rem;
  padding: 14px 22px;
  border-bottom: 4px solid transparent;
  white-space: nowrap;
}
.tabbar a:hover,
.tabbar a:focus-visible {
  background: var(--c-bg);
  border-bottom-color: var(--c-accent);
}

/* ---------- Main ---------- */
.main {
  max-width: var(--maxw);
  padding-top: var(--header-h);
}
.wrap {
  max-width: var(--inner);
  margin: 0 auto;
  padding: 0 32px;
}

/* Hero */
.hero {
  width: 100%;
  background: linear-gradient(180deg, var(--c-bg) 0%, #fff 100%);
  padding: 52px 0 40px;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  margin: 0 0 16px;
  color: var(--c-primary);
}
.hero-sub {
  font-size: 1.02rem;
  color: #364160;
  max-width: 700px;
  margin: 0 0 32px;
}

/* Factor strip (hero visual device) */
.factor-strip {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.factor-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid #DDE3F5;
  border-radius: var(--radius);
  padding: 12px 18px;
  box-shadow: inset 0 0 0 1px rgba(62,92,151,0.08), inset 0 -4px 0 var(--c-second);
}
.factor-num {
  font-family: "IBM Plex Sans KR", sans-serif;
  font-weight: 700;
  color: var(--c-accent);
  font-size: 0.92rem;
}
.factor-label {
  font-size: 0.9rem;
  color: var(--c-primary);
  font-weight: 600;
}

/* CTA group */
.cta-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0;
}
.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.94rem;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.2), inset 0 -4px 8px rgba(0,0,0,0.16);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.cta--call {
  background: var(--c-primary);
  color: #fff;
}
.cta--sms {
  background: #fff;
  color: var(--c-primary);
  border: 1.5px solid var(--c-primary);
  box-shadow: inset 0 0 0 1px rgba(23,37,90,0.08);
}
.cta:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.32), inset 0 -6px 10px rgba(0,0,0,0.2);
}

/* Content blocks — fullbleed background bands, thick divider */
.content-block {
  width: 100%;
  padding: 52px 0;
  border-top: 8px solid var(--c-bg);
}
.content-block:nth-of-type(even) { background: var(--c-bg); }
.content-block:nth-of-type(odd) { background: #fff; }

.content-block h2 {
  font-size: 1.5rem;
  color: var(--c-primary);
  margin: 0 0 18px;
  border-left: 6px solid var(--c-accent);
  padding-left: 18px;
}
.content-block p { margin: 0 0 14px; color: #232338; }
.content-block ul { margin: 0 0 14px; padding-left: 20px; }
.content-block li { margin-bottom: 8px; color: #232338; }

/* Tables (table-centric layout) */
table.rate-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 8px;
  font-size: 0.92rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: inset 0 0 0 1px #D6DDF2;
}
table.rate-table th, table.rate-table td {
  border: 1px solid #D6DDF2;
  padding: 12px 14px;
  text-align: left;
}
table.rate-table th {
  background: var(--c-primary);
  color: #fff;
  box-shadow: inset 0 -3px 0 var(--c-accent);
}
table.rate-table tbody tr:hover { background: #EDF1FB; }

/* Photo row */
.photo-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 0;
  padding: 28px 32px;
  background: var(--c-primary);
}
.photo-row figure { margin: 0; }
.photo-row img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
}
.photo-row figcaption {
  font-size: 0.8rem;
  color: #C9D3F0;
  margin-top: 8px;
}

/* Related links */
.related-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.related-links a {
  text-decoration: none;
  background: #fff;
  border: 1px solid #D6DDF2;
  color: var(--c-primary);
  padding: 9px 16px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  box-shadow: inset 0 -2px 0 var(--c-second);
}
.related-links a:hover { background: var(--c-bg); }

/* Footer */
.site-footer {
  border-top: 8px solid var(--c-second);
  padding: 40px 0 60px;
  background: var(--c-primary);
  color: #EAEEFA;
}
.footer-inner { max-width: var(--inner); margin: 0 auto; padding: 0 32px; }
.footer-brand {
  font-weight: 700;
  color: #fff;
  margin: 0 0 12px;
}
.footer-biz {
  display: grid;
  grid-template-columns: 100px 1fr;
  row-gap: 6px;
  margin: 0 0 16px;
  font-size: 0.85rem;
  color: #C9D3F0;
}
.footer-biz dt { font-weight: 600; color: #9FB0E0; }
.footer-biz dd { margin: 0; }
.footer-biz a { color: var(--c-accent); text-decoration: underline; }
.footer-copy { font-size: 0.78rem; color: #8C9BD1; margin: 0; }

/* Mobile overlay nav */
.mobile-overlay { display: none; }

@media (max-width: 1024px) {
  .header-nav { display: none; }
  .header-cta { display: none; }
  .hamburger-btn {
    display: inline-flex;
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 6px;
    margin-left: auto;
  }
  .brandmark { margin-right: 0; }
  .mobile-overlay.open {
    display: flex;
    position: fixed;
    inset: 0;
    background: var(--c-primary);
    z-index: 300;
    flex-direction: column;
    padding: 28px 24px;
    gap: 6px;
  }
  .mobile-overlay a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 14px 4px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
  }
  .mobile-overlay .close-btn {
    align-self: flex-end;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    margin-bottom: 12px;
  }
}

@media (max-width: 768px) {
  .photo-row { grid-template-columns: repeat(2, 1fr); padding: 20px; }
  .footer-biz { grid-template-columns: 90px 1fr; }
  .wrap { padding: 0 20px; }
}

@media (max-width: 480px) {
  .hero { padding: 36px 0 28px; }
  .cta-group { flex-direction: column; }
  .cta { justify-content: center; }
  .photo-row { grid-template-columns: 1fr; }
  .factor-strip { flex-direction: column; }
}