:root {
  --brand: #1454ff;
  --brand2: #12a3ff;
  --ink: #0b1020;
  --muted: #667085;
  --bg: #f6f9fc;
  --card: #ffffff;
  --radius: 18px;
  --shadow: 0 16px 40px rgba(10, 25, 75, .10);
}

/* Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  margin: 0;
  padding: 0;
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #e6eef7;
  z-index: 1000;
}
.topbar {
  background: linear-gradient(90deg, var(--brand), var(--brand2));
  color: #fff;
  font-weight: 700;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 24px;
  font-size: 14px;
}
.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 2px solid #e6eef7;
  object-fit: cover;
}
.brand b { color: var(--brand); font-size: 18px; }
.nav-list {
  display: flex;
  gap: 22px;
  list-style: none;
}
.nav-list a { font-weight: 700; color: #1c2440; opacity: .9; }
.nav-list a:hover { color: var(--brand); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 800;
  border: 1px solid #e6eef7;
  background: #fff;
  box-shadow: var(--shadow);
  transition: all .3s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: #fff;
  border: none;
}
.btn-ghost { background: #fff; color: var(--brand); border: 1px solid var(--brand); }

/* Hero */
.hero {
  position: relative;
  min-height: 58vh;
  display: grid;
  place-items: center;
  color: #fff;
  overflow: hidden;
  text-align: center;
}
.hero .bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.75);
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 20, 40, .25), rgba(10, 20, 40, .45));
}
.hero .inner {
  position: relative;
  z-index: 2;
  padding: 64px 24px;
}
.hero h1 { font-size: clamp(28px, 4vw, 46px); margin-bottom: 12px; }
.hero p { max-width: 900px; margin: 0 auto 22px; font-size: clamp(14px, 1.8vw, 18px); opacity: .96; }

/* Sections */
.section { padding: 70px 0; }
.section h2 { font-size: clamp(22px, 3vw, 32px); margin-bottom: 10px; }
.section p.lead { color: var(--muted); max-width: 900px; margin-bottom: 20px; }

/* Grid */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 800px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* Card */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  transition: transform .3s ease;
}
.card:hover { transform: translateY(-4px); }
.card h3 { margin: 8px 0 6px; }
.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: #eef3ff;
  color: #1343c6;
  border: 1px solid #d6e2ff;
  font-weight: 700;
  font-size: 12px;
}

/* Banner / Slider */
.banner {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.banner img {
  height: 420px;
  width: 100%;
  object-fit: cover;
  filter: brightness(.82);
}

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
}
.table th, .table td {
  padding: 12px 10px;
  border-bottom: 1px solid #e6eef7;
  text-align: left;
}

/* Key Visual (kv) */
.kv { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; }
@media (max-width: 900px) { .kv { grid-template-columns: 1fr; } }

/* List */
.list { padding-left: 18px; }

/* Stats */
.stat { display: flex; align-items: center; gap: 10px; }
.stat b { color: #fff; font-size: 20px; }

/* Clinic hero */
.clinic-hero {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: #fff;
  border-radius: 20px;
  padding: 26px;
  box-shadow: var(--shadow);
}

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery img { border-radius: 14px; box-shadow: var(--shadow); }
@media (max-width: 768px) { .gallery { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .gallery { grid-template-columns: 1fr; } }

/* Footer */
.footer {
  background: #0b1220;
  color: #cbd5e1;
  margin-top: 48px;
}
.footer .container {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.2fr 1fr 1fr;
  padding: 34px 24px;
}
.footer a { color: #cbd5e1; }
.footer small {
  display: block;
  color: #94a3b8;
  padding: 18px 24px;
  border-top: 1px solid #1e293b;
}
@media (max-width: 800px) { .footer .container { grid-template-columns: 1fr; text-align: center; } }