:root {
  color-scheme: dark;
  --bg: #0a0c12;
  --card: #111522;
  --card-border: #232a40;
  --text: #f4f6ff;
  --muted: #b7bfd7;
  --accent: #8ea8ff;
  --accent-strong: #6f8bff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #141b2e 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.6;
}

.invitation {
  width: min(100%, 460px);
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 55%), var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 20px;
  margin-bottom: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.hero h1 {
  margin: 10px 0;
  font-family: "Noto Serif KR", serif;
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.3;
}

.hero h1 span {
  color: var(--accent);
}

.hero .message,
.hero .date,
.hero .venue {
  margin: 8px 0;
  color: var(--muted);
}

.hero .date {
  color: var(--text);
  font-weight: 600;
  margin-top: 16px;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.photo img {
  width: 100%;
  display: block;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.caption {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

dl {
  margin: 0;
}

dl div {
  margin-bottom: 10px;
}

dt {
  color: var(--muted);
  font-size: 0.9rem;
}

dd {
  margin: 2px 0 0;
}

button {
  width: 100%;
  margin-top: 10px;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.feedback {
  min-height: 22px;
  margin: 8px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.map-links {
  display: grid;
  gap: 10px;
}

.map-links a {
  text-align: center;
  text-decoration: none;
  color: var(--text);
  padding: 11px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background-color: #1a2136;
  font-weight: 600;
}

.transport ul {
  padding-left: 18px;
  margin: 0;
}

.transport li {
  margin-bottom: 8px;
  color: var(--muted);
}

.transport strong {
  color: var(--text);
}

.notice {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(142, 168, 255, 0.1);
  color: #d5ddff;
  font-size: 0.92rem;
}