/* ===== 바로GO Navigation & Layout ===== */
:root {
  --color-bg: #ffffff;
  --color-ink: #1a1f2b;
  --color-ink-soft: #4a5160;
  --color-line: #e7e9ee;
  --color-line-strong: #cdd2dc;
  --color-accent: #0e7a5f;
  --color-accent-soft: #e6f4ef;
  --color-warn: #b54708;
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 10px;
  --maxw: 1200px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR",
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink);
  color: #fff;
  padding: 8px 12px;
  z-index: 1000;
}
.skip-link:focus { left: 8px; top: 8px; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.brand-mark { font-size: 22px; }
.brand-mark.accent { color: var(--color-accent); }
.brand-tag {
  font-size: 12px;
  color: var(--color-ink-soft);
  font-weight: 500;
  margin-left: 6px;
}

/* ===== Primary Nav ===== */
.primary-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.nav-item { position: relative; }

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 8px;
  background: transparent;
  border: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  white-space: nowrap;
  transition: background 120ms ease, color 120ms ease;
}
.nav-link:hover,
.nav-link:focus-visible {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  outline: none;
}

.chev {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 150ms ease;
}
.nav-trigger[aria-expanded="true"] .chev {
  transform: rotate(-135deg) translateY(-2px);
}

/* Mega panel */
.mega-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 280px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 140ms ease, transform 140ms ease, visibility 140ms;
}
.nav-item.is-open > .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  min-width: 220px;
}
.mega-list a {
  display: block;
  padding: 9px 10px;
  border-radius: 6px;
  font-size: 14.5px;
  color: var(--color-ink);
}
.mega-list a:hover,
.mega-list a:focus-visible {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  outline: none;
}

.mega-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(200px, 1fr));
  gap: 18px;
}
.mega-heading {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mega-grid--regions {
  display: grid;
  grid-template-columns: repeat(4, minmax(80px, 1fr));
  gap: 4px;
  min-width: 480px;
}
.mega-grid--regions a {
  display: block;
  text-align: center;
  padding: 10px 8px;
  font-size: 14px;
  border-radius: 6px;
  border: 1px solid transparent;
}
.mega-grid--regions a:hover,
.mega-grid--regions a:focus-visible {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
  outline: none;
}
.mega-note {
  margin: 12px 4px 0;
  font-size: 12.5px;
  color: var(--color-ink-soft);
}

/* CTA */
.nav-cta { margin-left: 8px; }
.btn-tel {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  line-height: 1.15;
  box-shadow: 0 6px 14px rgba(14, 122, 95, 0.25);
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.btn-tel:hover { transform: translateY(-1px); }
.btn-tel__label { font-size: 10.5px; opacity: 0.85; font-weight: 600; }
.btn-tel__num { font-size: 14px; letter-spacing: 0.01em; }

/* ===== Mobile toggle ===== */
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  border: 1px solid var(--color-line-strong);
  background: #fff;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform 180ms ease, opacity 180ms ease, top 180ms ease;
}
.nav-toggle span:nth-child(1) { top: 13px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  background:
    radial-gradient(1200px 400px at 80% -100px, rgba(14, 122, 95, 0.10), transparent 60%),
    linear-gradient(180deg, #f7faf9 0%, #ffffff 100%);
  padding: 64px 20px 48px;
}
.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.hero h1 {
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.25;
  margin: 0 0 14px;
  letter-spacing: -0.015em;
}
.hero-lead {
  max-width: 760px;
  color: var(--color-ink-soft);
  font-size: 16px;
  margin: 0 0 24px;
}
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: #0b6450; }
.btn-ghost {
  background: #fff;
  border-color: var(--color-line-strong);
  color: var(--color-ink);
}
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }

.trust-grid {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}
.trust-grid li {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 14.5px;
  color: var(--color-ink);
  font-weight: 600;
}

/* ===== Sections ===== */
.section { padding: 56px 0; border-top: 1px solid var(--color-line); }
.section h2 {
  font-size: clamp(22px, 2.4vw, 28px);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.section-lead { color: var(--color-ink-soft); max-width: 780px; }

/* ===== Footer ===== */
.site-footer {
  margin-top: 60px;
  padding: 32px 0 24px;
  background: #0f172a;
  color: #cbd5e1;
}
.site-footer a { color: #e2e8f0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 24px;
}
.footer-brand {
  margin: 0 0 4px;
  color: #fff;
  font-weight: 800;
  font-size: 18px;
}
.footer-sub { margin: 0; font-size: 13px; color: #94a3b8; }
.footer-biz p { margin: 2px 0; font-size: 13.5px; }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13.5px;
}
.footer-copy {
  text-align: center;
  font-size: 12.5px;
  color: #94a3b8;
  margin: 24px 0 0;
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .nav-toggle { display: inline-block; }
  .primary-nav {
    position: fixed;
    inset: 64px 0 0 0;
    background: #fff;
    border-top: 1px solid var(--color-line);
    padding: 16px 20px 32px;
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms;
  }
  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 100%;
  }
  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 14px 12px;
    font-size: 16px;
    border-bottom: 1px solid var(--color-line);
    border-radius: 0;
  }
  .mega-panel {
    position: static;
    border: 0;
    box-shadow: none;
    padding: 8px 8px 12px;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    background: #fafbfc;
    border-radius: 0;
  }
  .nav-item.is-open > .mega-panel { display: block; }
  .mega-grid--regions {
    grid-template-columns: repeat(3, 1fr);
    min-width: 0;
  }
  .mega-cols { grid-template-columns: 1fr; }
  .nav-cta { width: 100%; margin: 12px 0 0; }
  .btn-tel { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .brand-tag { display: none; }
  .mega-grid--regions { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Page content (sub-pages) ===== */
.hero-eyebrow {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 4px 10px;
  border-radius: 999px;
  margin: 0 0 14px;
}

.breadcrumb {
  border-bottom: 1px solid var(--color-line);
  background: #fafbfc;
}
.breadcrumb ol {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px 20px;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--color-ink-soft);
}
.breadcrumb li:not(:last-child)::after {
  content: "›";
  margin-left: 8px;
  color: var(--color-line-strong);
}
.breadcrumb a { color: var(--color-ink-soft); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb [aria-current="page"] { color: var(--color-ink); font-weight: 600; }

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 20px 56px;
}
.page-head h1 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
}
.page-head .lede {
  color: var(--color-ink-soft);
  font-size: 16.5px;
  margin: 0 0 28px;
}
.page .block { margin: 28px 0; }
.page h2 {
  font-size: clamp(20px, 2.2vw, 24px);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.page h3 { font-size: 17px; margin: 0 0 6px; }
.page p { margin: 8px 0; color: var(--color-ink); }
.page .muted { color: var(--color-ink-soft); font-size: 14px; }
.page strong { color: var(--color-ink); }
.page a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 2px; }
.page a:hover { color: #0b6450; }

/* lists */
.check-list {
  list-style: none;
  padding: 0;
  margin: 10px 0;
  display: grid;
  gap: 8px;
}
.check-list li {
  position: relative;
  padding: 10px 12px 10px 36px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.55;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 14px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

/* steps */
.steps {
  list-style: none;
  padding: 0;
  margin: 12px 0;
  display: grid;
  gap: 10px;
  counter-reset: step;
}
.steps li {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  padding: 14px 16px;
}
.steps li strong { display: block; color: var(--color-accent); margin-bottom: 4px; font-size: 14px; }
.steps li p { margin: 0; font-size: 15px; }

/* grids */
.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
}
.region-card {
  display: block;
  padding: 16px 12px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  color: var(--color-ink);
  transition: border-color 120ms ease, color 120ms ease, transform 120ms ease;
}
.region-card:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}

.service-grid {
  list-style: none;
  padding: 0;
  margin: 12px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.service-grid li {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  padding: 16px 18px;
}
.service-grid h3 { margin: 0 0 6px; font-size: 16.5px; }
.service-grid h3 a { color: var(--color-ink); text-decoration: none; }
.service-grid h3 a:hover { color: var(--color-accent); }
.service-grid p { margin: 0; color: var(--color-ink-soft); font-size: 14.5px; }

.guide-grid {
  list-style: none;
  padding: 0;
  margin: 12px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.guide-grid > li > a {
  display: block;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  text-decoration: none;
  color: var(--color-ink);
  transition: border-color 120ms ease;
}
.guide-grid > li > a:hover { border-color: var(--color-accent); color: var(--color-accent); }
.guide-grid h3 { margin: 0 0 6px; font-size: 16px; }
.guide-grid p { margin: 0; color: var(--color-ink-soft); font-size: 14px; }

.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}
.review-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  padding: 16px;
}
.review-meta {
  margin: 0 0 8px;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 13px;
}

/* two-col + callout */
.two-col {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: start;
}
.callout {
  background: #fff8ed;
  border: 1px solid #f3d6a0;
  border-radius: 10px;
  padding: 18px 20px;
}
.callout h3 { margin: 0 0 8px; color: var(--color-warn); font-size: 16px; }
.callout ul { margin: 0; }
.callout li { background: transparent; border: 0; padding: 4px 0 4px 24px; }
.callout li::before { left: 0; top: 8px; background: #fff; box-shadow: inset 0 0 0 2px var(--color-warn); }
.callout a { color: var(--color-warn); }

/* faq */
.faq details {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  padding: 12px 16px;
  margin: 8px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  position: relative;
  padding-right: 28px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-ink-soft);
  border-bottom: 2px solid var(--color-ink-soft);
  transform: rotate(45deg);
  transition: transform 150ms ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); top: 12px; }
.faq details p { margin: 10px 0 0; color: var(--color-ink-soft); }

/* sections in homepage layout */
.section.alt { background: #fafbfc; }
.section .container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.section-head { margin-bottom: 18px; }

/* notice */
.notice-item {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 10px 0;
}
.notice-item h2 { margin: 0 0 4px; font-size: 17px; }
.notice-item .muted { margin: 0 0 8px; font-size: 12.5px; }

/* related aside */
.related {
  margin-top: 36px;
  padding: 18px 20px;
  background: #fafbfc;
  border: 1px solid var(--color-line);
  border-radius: 10px;
}
.related h2 { font-size: 15px; margin: 0 0 8px; color: var(--color-ink-soft); }
.related ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.related li a {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--color-line);
  text-decoration: none;
  color: var(--color-ink);
  font-size: 13.5px;
}
.related li a:hover { border-color: var(--color-accent); color: var(--color-accent); }

@media (max-width: 720px) {
  .two-col { grid-template-columns: 1fr; }
}