*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  line-height: 1.75;
  color: #f8fafc;
  background: linear-gradient(180deg, #0f172a 0%, #1e3a8a 280px, #312e81 720px, #0f172a 100%);
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
.container { width: min(1180px, 92%); margin: 0 auto; }

:root {
  --brand: #3b82f6;
  --brand-2: #1d4ed8;
  --accent: #fde047;
  --dark: #0f172a;
  --surface: rgba(255,255,255,.07);
  --text: #f8fafc;
  --muted: #dbeafe;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: 12px; font-weight: 900;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand), #8b5cf6);
  color: #fff;
  box-shadow: 0 8px 24px rgba(59,130,246,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(59,130,246,.48); }
.btn-outline {
  border: 2px solid var(--accent); color: var(--accent);
  background: rgba(253,224,71,.08);
}
.btn-outline:hover { background: var(--accent); color: #0f172a; }
.btn-lg { padding: 16px 34px; font-size: 1.1rem; border-radius: 14px; }

.topbar {
  position: sticky; top: 0; z-index: 110;
  background: rgba(15,23,42,.96); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(59,130,246,.3);
}
.topbar .container {
  display: flex; justify-content: center; align-items: center; gap: 14px;
  padding: 10px 0; flex-wrap: wrap;
}
.topbar .tel { font-size: 1.1rem; font-weight: 900; color: var(--accent); }

.header {
  position: sticky; top: 54px; z-index: 100;
  background: rgba(30,58,138,.95); backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(59,130,246,.14);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.brand { display: inline-flex; align-items: center; gap: 8px; }
.logo-badge {
  background: linear-gradient(135deg, var(--brand), #8b5cf6);
  color: #fff; font-weight: 900; font-size: 1.15rem;
  padding: 10px 16px; border-radius: 12px; letter-spacing: -0.4px;
}
.gnb { display: flex; gap: 10px; }
.gnb a {
  padding: 9px 14px; border-radius: 999px; color: var(--muted);
  font-weight: 800; font-size: .88rem; transition: color .2s, background .2s;
}
.gnb a:hover, .gnb a.active { color: #fff; background: rgba(59,130,246,.18); }
.header-tel.btn { padding: 10px 18px; font-size: .9rem; }
.menu-toggle { display: none; background: none; border: none; color: var(--accent); font-size: 1.7rem; cursor: pointer; }

.card-nav {
  background: linear-gradient(180deg, rgba(30,58,138,.75), rgba(15,23,42,.98));
  border-bottom: 1px solid rgba(59,130,246,.12); padding: 24px 0;
}
.card-nav .container { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 4px; }
.card-link {
  display: flex; align-items: center; gap: 10px; min-width: 166px;
  padding: 14px 18px; background: var(--surface);
  border: 1px solid rgba(59,130,246,.18); border-radius: 16px;
  color: #fff; font-weight: 900; font-size: .92rem;
  transition: border-color .2s, transform .2s, background .2s;
  white-space: nowrap;
}
.card-link:hover { border-color: var(--accent); background: rgba(253,224,71,.1); transform: translateY(-2px); }
.card-link img { width: 42px; height: 42px; object-fit: cover; border-radius: 8px; }

.hero { padding: 100px 0 90px; }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 64px; align-items: center; }
.hero-kicker {
  display: inline-block; background: rgba(59,130,246,.16); color: var(--accent);
  font-weight: 900; font-size: .78rem; padding: 8px 14px; border-radius: 999px;
  letter-spacing: .4px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.18; letter-spacing: -1.5px; }
.hero h1 b { color: var(--accent); }
.hero-desc { margin-top: 22px; font-size: 1.12rem; color: var(--muted); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-bullets { display: flex; gap: 22px; margin-top: 28px; flex-wrap: wrap; }
.hero-bullets li { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 800; }
.bullet { width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: #0f172a; display: inline-flex; align-items: center; justify-content: center; font-size: .7rem; }
.hero-art { display: flex; justify-content: center; }
.hero-main-img {
  width: 100%; max-width: 520px; height: auto;
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(59,130,246,.45);
  object-fit: cover;
}

.section { padding: 90px 0; }
.section-title { text-align: center; font-size: clamp(1.5rem, 4vw, 2.2rem); margin-bottom: 12px; color: #fff; }
.section-sub { text-align: center; color: var(--muted); margin-bottom: 48px; }
.info-section { background: rgba(255,255,255,.03); }

.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.service-item {
  display: block; background: var(--surface);
  border: 1px solid rgba(59,130,246,.12); border-radius: 22px;
  overflow: hidden; transition: transform .2s, border-color .2s;
}
.service-item:hover { transform: translateY(-5px); border-color: rgba(59,130,246,.4); }
.service-thumb { background: linear-gradient(180deg, rgba(59,130,246,.15), rgba(139,92,246,.25)); padding: 14px; }
.service-thumb img { width: 100%; height: 170px; object-fit: cover; border-radius: 14px; }
.service-body { padding: 24px; }
.service-body h3 { font-size: 1.15rem; margin-bottom: 10px; color: #fff; }
.service-body p { color: var(--muted); font-size: .95rem; }
.service-more { display: inline-block; margin-top: 16px; color: var(--accent); font-weight: 900; }

.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.info-card {
  background: var(--surface); padding: 28px; border-radius: 18px;
  border-left: 4px solid #8b5cf6;
}
.info-card h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--accent); }
.info-card p { color: var(--muted); font-size: .96rem; }

.accordion { display: grid; gap: 14px; max-width: 800px; margin: 0 auto; }
.accordion details {
  background: var(--surface); border: 1px solid rgba(59,130,246,.1);
  border-radius: 16px; padding: 20px 24px;
}
.accordion summary { cursor: pointer; font-weight: 900; color: #fff; }
.accordion summary h3 { display: inline; font-size: 1.05rem; }
.accordion details p { margin-top: 14px; color: var(--muted); }

.cta-section {
  background: linear-gradient(135deg, var(--brand), #8b5cf6);
  color: #fff; border-radius: 28px; padding: 70px 24px; text-align: center;
  box-shadow: 0 20px 50px rgba(59,130,246,.35);
}
.cta-section h2 { font-size: clamp(1.4rem, 4vw, 2rem); margin-bottom: 10px; }
.cta-section p { opacity: .92; margin-bottom: 26px; }

.footer { background: rgba(15,23,42,.9); border-top: 1px solid rgba(59,130,246,.1); padding: 50px 0 40px; text-align: center; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-bottom: 22px; }
.footer-links a { color: var(--muted); font-weight: 800; }
.footer-links a:hover { color: var(--accent); }
.footer-tel { font-size: 1.15rem; color: #fff; margin-bottom: 12px; }
.footer-copy { color: #94a3b8; font-size: .9rem; }

.float-actions {
  position: fixed; bottom: 22px; right: 22px; z-index: 120;
  display: flex; flex-direction: column; gap: 10px;
}
.float-actions a {
  background: linear-gradient(135deg, var(--brand), #8b5cf6);
  color: #fff; font-weight: 900; padding: 14px 22px; border-radius: 14px;
  box-shadow: 0 8px 24px rgba(59,130,246,.35);
  transition: transform .2s;
}
.float-actions a:hover { transform: translateY(-2px); }
.float-actions a.sms { background: linear-gradient(135deg, #06b6d4, #0891b2); }

.page-hero { padding: 90px 0 60px; text-align: center; }
.page-hero .bread { color: var(--muted); font-size: .9rem; margin-bottom: 18px; }
.page-hero .bread a { color: var(--accent); }
.page-hero h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); color: #fff; }
.page-hero h1 b { color: var(--accent); }
.page-hero p { color: var(--muted); margin-top: 16px; }
.page-hero-actions { display: flex; justify-content: center; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.page-content { padding: 40px 0 100px; }
.page-content h2 { font-size: 1.5rem; margin-top: 48px; margin-bottom: 16px; color: #fff; }
.page-content p { color: var(--muted); margin-bottom: 16px; }
.page-content ul { list-style: disc; padding-left: 22px; margin-bottom: 18px; }
.page-content li { color: var(--muted); margin-bottom: 10px; }
.page-content strong { color: #fff; }
.page-tip {
  background: rgba(253,224,71,.1); border: 1px solid rgba(253,224,71,.25);
  border-radius: 16px; padding: 22px; margin-top: 36px;
}
.page-tip p { color: #fff; margin: 0; font-weight: 800; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-main-img { max-width: 420px; margin: 0 auto; }
  .gnb { display: none; position: absolute; top: 78px; left: 0; right: 0; background: rgba(30,58,138,.98); flex-direction: column; padding: 18px; gap: 6px; }
  .gnb.active { display: flex; }
  .gnb a { display: block; padding: 12px 16px; }
  .menu-toggle { display: block; }
  .header-tel { display: none; }
  .card-link { min-width: 150px; }
  .float-actions { left: 16px; right: 16px; flex-direction: row; }
  .float-actions a { flex: 1; text-align: center; }
}