:root {
  /* Matches style/header.png background (~rgb(2,2,2)) */
  --bg: #020202;
  --panel: rgba(255, 255, 255, 0.06);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --border: rgba(255, 255, 255, 0.12);
  --accent: #7dd3fc;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: radial-gradient(1200px 500px at 50% 0%, rgba(255, 255, 255, 0.04), transparent 55%),
    radial-gradient(900px 500px at 15% 25%, rgba(255, 255, 255, 0.025), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans KR", Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  line-height: 1.5;
}

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(2, 2, 2, 0.92);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  justify-content: center;
  padding: 14px 12px 4px;
}

.brand__img {
  max-width: min(720px, 92vw);
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.45));
}

.nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 10px 12px 14px;
  flex-wrap: wrap;
}

.nav__item {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.nav__item:hover {
  transform: translateY(-1px);
  border-color: rgba(125, 211, 252, 0.55);
  background: rgba(125, 211, 252, 0.08);
}

.nav__item[aria-current="page"] {
  border-color: rgba(125, 211, 252, 0.75);
  background: rgba(125, 211, 252, 0.12);
}

.main {
  width: min(980px, 92vw);
  margin: 0 auto;
  padding: 18px 0 44px;
}

.intro {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 16px;
  padding: 16px 16px;
  margin: 14px 0 18px;
}

.intro__title {
  margin: 0 0 6px;
  font-size: 18px;
}

.intro__desc {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.gallery {
  display: grid;
  gap: 14px;
}

.card {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 18px;
  overflow: hidden;
}

.card__img {
  width: 100%;
  height: auto;
  display: block;
  background: rgba(255, 255, 255, 0.02);
}

.card__meta {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 18px 12px;
  background: rgba(2, 2, 2, 0.92);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
}

.footer__inner {
  width: min(980px, 92vw);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 10px;
  color: var(--muted);
}

.footer__label {
  font-weight: 700;
  color: var(--text);
}

.footer__link {
  color: var(--accent);
  text-decoration: none;
}

.footer__link:hover {
  text-decoration: underline;
}