:root {
  --bg: #0d0d0d;
  --bg-alt: #161616;
  --bg-card: #1c1c1c;
  --border: #2a2a2a;
  --text: #f1ece1;
  --text-dim: #a8a297;
  --accent: #c9a961;
  --accent-dark: #a88840;
  --kakao: #fee500;
  --kakao-text: #1a1a1a;
  --max-width: 1180px;
  --header-h: 68px;
  --radius: 10px;
  --transition: 0.2s ease;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

ul { list-style: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow { max-width: 820px; }

.section {
  padding: 84px 0;
  background: var(--bg);
}

.section-alt { background: var(--bg-alt); }

.section-title {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-lead {
  text-align: center;
  color: var(--text-dim);
  font-size: 16px;
  margin-bottom: 48px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.micro-cta {
  text-align: center;
  margin-top: 36px;
  font-size: 15px;
}
.micro-cta a {
  color: var(--accent);
  font-weight: 500;
  border-bottom: 1px solid transparent;
}
.micro-cta a:hover { border-bottom-color: var(--accent); }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.logo {
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--text);
  white-space: nowrap;
}

.gnb > ul {
  display: flex;
  align-items: center;
  gap: 28px;
}

.gnb a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 0;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow);
}
.dropdown li a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
}
.dropdown li a:hover { background: var(--bg-alt); color: var(--accent); }
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.header-cta { display: flex; gap: 8px; }
.btn-phone, .btn-kakao {
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 6px;
  white-space: nowrap;
}
.btn-phone {
  background: var(--accent);
  color: var(--bg);
}
.btn-phone:hover { background: var(--accent-dark); color: var(--bg); }
.btn-kakao {
  background: var(--kakao);
  color: var(--kakao-text);
}
.btn-kakao:hover { color: var(--kakao-text); opacity: 0.9; }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0;
}
.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 0 auto;
  transition: var(--transition);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(201, 169, 97, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(201, 169, 97, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, #0d0d0d 0%, #1a1612 100%);
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--accent-dark);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.hero-title {
  font-size: clamp(32px, 5.6vw, 56px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-brand {
  color: var(--accent);
  font-weight: 900;
}

.hero-sub {
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--text-dim);
  margin-bottom: 36px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.hero-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 28px;
  margin-bottom: 44px;
  font-size: 15px;
  color: var(--text);
}
.hero-meta li { display: flex; align-items: center; gap: 8px; }

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 8px;
  transition: all var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn-large {
  padding: 18px 40px;
  font-size: 17px;
  border-radius: 10px;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: var(--bg);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--kakao);
  color: var(--kakao-text);
}
.btn-secondary:hover {
  color: var(--kakao-text);
  opacity: 0.9;
  transform: translateY(-2px);
}

/* ============ TRUST BAR ============ */
.trust-bar {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.trust-inner {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 18px 28px;
  text-align: center;
}
.trust-item {
  font-size: 14px;
  color: var(--text-dim);
}
.trust-item strong {
  color: var(--text);
  font-weight: 500;
}

/* ============ SYSTEM ============ */
.system-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 820px;
  margin: 0 auto;
}
.system-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color var(--transition);
}
.system-card:hover { border-color: var(--accent-dark); }
.system-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--accent);
}
.system-card ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--text-dim);
}
.system-card ul li:last-child { border-bottom: none; }
.system-card ul li strong { color: var(--text); }

/* ============ PRICING ============ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 980px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}
.pricing-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}
.pricing-card .price {
  font-size: 17px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}
.pricing-card .pricing-desc {
  font-size: 13px;
  color: var(--text-dim);
}

/* ============ LOCATION ============ */
.location-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.location-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
  display: block;
  color: var(--text);
}
.location-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  color: var(--text);
}
.location-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.location-card .location-meta {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 18px;
  line-height: 1.6;
}
.location-card .location-meta strong { color: var(--accent); font-weight: 700; }
.location-card .location-link {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

/* ============ REVIEWS ============ */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.review-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.review-rating {
  color: var(--accent);
  font-size: 16px;
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.review-text {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.7;
}
.review-meta {
  font-size: 13px;
  color: var(--text-dim);
}

/* ============ FAQ ============ */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 500;
  list-style: none;
  position: relative;
  padding-right: 56px;
  transition: background var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 300;
  color: var(--accent);
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item summary:hover { background: var(--bg-alt); }
.faq-item p {
  padding: 0 24px 22px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.75;
}

/* ============ CTA SECTION ============ */
.section-cta {
  background:
    radial-gradient(circle at 50% 50%, rgba(201, 169, 97, 0.15) 0%, transparent 60%),
    var(--bg-alt);
  text-align: center;
  padding: 96px 0;
}
.cta-title {
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.cta-sub {
  color: var(--text-dim);
  font-size: 16px;
  margin-bottom: 36px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ============ FOOTER ============ */
.site-footer {
  background: #050505;
  border-top: 1px solid var(--border);
  padding-top: 56px;
  font-size: 14px;
  color: var(--text-dim);
}
.footer-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  padding-bottom: 40px;
}
.footer-col p { margin-bottom: 6px; line-height: 1.7; }
.footer-col strong { color: var(--text); font-weight: 700; }
.footer-brand {
  font-size: 18px;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 10px;
}
.footer-desc { font-size: 13px; }
.footer-col a { color: var(--text-dim); }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
}
.footer-bottom .updated { color: var(--text-dim); }

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .gnb { display: none; }
  .header-cta .btn-phone, .header-cta .btn-kakao {
    padding: 8px 12px;
    font-size: 12px;
  }
  .mobile-toggle { display: flex; }

  .gnb.is-open {
    display: block;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
  }
  .gnb.is-open > ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .gnb.is-open > ul > li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }
  .gnb.is-open > ul > li:last-child { border-bottom: none; }
  .gnb.is-open .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    background: transparent;
    margin-top: 8px;
    padding: 0 0 0 12px;
  }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .section-cta { padding: 72px 0; }

  .hero { min-height: auto; padding: 60px 0 80px; }
  .hero-meta { gap: 14px; flex-direction: column; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }

  .system-grid,
  .pricing-grid,
  .location-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

  .trust-inner { gap: 12px; }
  .trust-item { flex-basis: calc(50% - 14px); font-size: 13px; }

  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .cta-buttons { flex-direction: column; align-items: stretch; }
  .cta-buttons .btn { width: 100%; }

  .footer-bottom .container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 420px) {
  .footer-inner { grid-template-columns: 1fr; }
  .trust-item { flex-basis: 100%; }
}