/* Base */
:root {
  --bg: #0c0d10;
  --bg-muted: #12141a;
  --surface: #161922;
  --text: #e9ecf1;
  --subtext: #aab3c2;
  --primary: #67e8f9;
  --primary-600: #22d3ee;
  --accent: #f472b6;
  --border: #232838;
  --chip: #1d2230;
  --success: #22c55e;
  --warning: #f59e0b;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Pretendard', system-ui, -apple-system, Segoe UI, Roboto, 'Noto Sans KR', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
label { color: var(--subtext); font-size: 14px; display: grid; gap: 6px; }
.sr-only { position: absolute; width:1px; height:1px; margin:-1px; padding:0; border:0; clip: rect(0 0 0 0); overflow: hidden; }

.container { width: min(1100px, 92%); margin: 0 auto; }
.section { padding: 80px 0; }
.section-muted { background: var(--bg-muted); }
.section-head { margin-bottom: 28px; }
.section-head h2 { margin: 0 0 8px; font-size: 32px; }
.section-head p { margin: 0; color: var(--subtext); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 40; backdrop-filter: saturate(180%) blur(10px);
  background: color-mix(in oklab, var(--bg) 75%, transparent);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand img { width: 28px; height: 28px; }
.nav { display: flex; align-items: center; gap: 16px; }
.nav a { color: var(--subtext); padding: 8px 10px; border-radius: 8px; transition: color .2s, background .2s; }
.nav a:hover { color: var(--text); background: var(--surface); }
.nav-toggle { display:none; border: 1px solid var(--border); background: var(--surface); width: 40px; height: 40px; border-radius: 10px; align-items:center; justify-content:center; gap:4px; flex-direction: column; }
.nav-toggle span { width: 18px; height: 2px; background: var(--text); display:block; }

/* Hero */
.hero { position: relative; min-height: 70vh; display:grid; place-items:center; text-align: center; }
.hero-bg { position:absolute; inset:0; background: radial-gradient(60% 60% at 50% 40%, #182032, transparent 70%), radial-gradient(40% 40% at 80% 20%, #1a2438, transparent 60%); z-index:-1; }
.hero-inner h1 { font-size: clamp(28px, 4vw, 46px); margin: 0 0 12px; }
.hero-inner p { color: var(--subtext); margin: 0 0 22px; }
.hero-actions { display:flex; gap: 12px; justify-content:center; flex-wrap: wrap; }

/* Buttons */
.btn { display:inline-flex; align-items:center; justify-content:center; padding: 10px 16px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); transition: background .2s, transform .02s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(180deg, var(--primary), var(--primary-600)); color: #062428; border: none; font-weight: 700; }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-lg { padding: 12px 18px; border-radius: 14px; }

/* About */
.split { display:grid; grid-template-columns: 1.2fr 1fr; gap: 28px; align-items: start; }
.feature-list { list-style: none; margin:0; padding:0; display:grid; gap: 14px; }
.feature-list li { display:flex; gap: 12px; padding: 12px; background: var(--surface); border:1px solid var(--border); border-radius: 12px; }
.feature-icon { font-size: 20px; }

/* Filters */
.filters { display:flex; gap: 16px; align-items:center; justify-content: space-between; margin: 8px 0 18px; flex-wrap: wrap; }
.filters-right { display:flex; gap: 10px; align-items:center; }
.chip-group { display:flex; gap: 8px; flex-wrap: wrap; }
.chip { background: var(--chip); color: var(--subtext); border: 1px solid var(--border); padding: 8px 12px; border-radius: 999px; }
.chip.is-active, .chip:hover { color: var(--text); border-color: var(--primary); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--primary) 50%, transparent); }
.search input { width: 220px; }
.select select { background: var(--surface); border:1px solid var(--border); padding: 10px 12px; border-radius: 10px; }

/* Grid */
.grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { display:flex; flex-direction:column; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; overflow:hidden; }
.card-media { aspect-ratio: 4 / 3; background: #0b0d12; overflow:hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card:hover .card-media img { transform: scale(1.04); }
.card-body { padding: 12px; display:grid; gap: 8px; }
.tag { display:inline-flex; align-items:center; gap: 6px; padding: 4px 10px; border-radius: 999px; background: var(--chip); color: var(--subtext); font-size: 12px; border:1px solid var(--border); }
.card-title { margin: 2px 0 0; font-size: 16px; font-weight: 600; }
.card-meta { display:flex; gap: 8px; flex-wrap: wrap; }
.card-footer { display:flex; align-items:center; justify-content: space-between; gap: 10px; padding: 12px; border-top: 1px solid var(--border); }
.price { font-weight: 700; color: var(--primary); }
.status { font-size: 12px; color: var(--success); }
.status.sold { color: var(--warning); }
.empty-state { text-align:center; color: var(--subtext); padding: 32px 0; }

/* Care */
.care-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card-info { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.card-info h3 { margin: 0 0 6px; }
.card-info p { margin: 0; color: var(--subtext); }

/* Contact */
.contact { display:grid; grid-template-columns: 1fr 1.2fr; gap: 24px; }
.contact-cards { display:grid; gap: 12px; }
.contact-card { display:flex; gap: 12px; align-items:center; padding: 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; }
.contact-emoji { font-size: 22px; }
.contact-form { display:grid; gap: 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.form-row { display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Footer */
.footer { border-top: 1px solid var(--border); background: var(--bg-muted); }
.footer-inner { height: 64px; display:flex; align-items:center; justify-content: space-between; }
.back-to-top { display:inline-flex; width:36px; height:36px; align-items:center; justify-content:center; border-radius: 999px; background: var(--surface); border:1px solid var(--border); }

/* Lightbox */
.lightbox { position: fixed; inset: 0; display:none; place-items:center; z-index: 60; }
.lightbox.show { display:grid; }
.lightbox-backdrop { position:absolute; inset:0; background: rgba(0,0,0,.6); }
.lightbox-content { position: relative; width: min(980px, 92%); background: var(--bg); border: 1px solid var(--border); border-radius: 16px; overflow:hidden; display:grid; grid-template-columns: 1.2fr 1fr; }
.lightbox-media { background:#0a0c11; }
.lightbox-media img { width: 100%; height: 100%; object-fit: cover; }
.lightbox-body { padding: 16px; display:grid; gap: 10px; }
.lightbox-close { position:absolute; top:10px; right:10px; width: 36px; height:36px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.lb-tags { display:flex; gap: 8px; flex-wrap: wrap; }
.lb-desc { color: var(--subtext); }
.lb-meta { display:grid; grid-template-columns: 1fr 1fr; gap: 6px; color: var(--subtext); }
.lb-cta { display:flex; align-items:center; justify-content: space-between; gap: 10px; }
.lb-price { font-size: 20px; font-weight: 800; color: var(--primary); }

/* Responsive */
@media (max-width: 980px) {
  .split { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .care-grid { grid-template-columns: repeat(2, 1fr); }
  .contact { grid-template-columns: 1fr; }
  .lightbox-content { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav { display:none; position:absolute; top:64px; right:16px; background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 10px; flex-direction: column; min-width: 180px; }
  .nav.show { display:flex; }
  .nav-toggle { display:flex; }
  .grid { grid-template-columns: 1fr; }
  .care-grid { grid-template-columns: 1fr; }
  .search input { width: 160px; }
}