:root {
    color-scheme: light;
    --page-start: #667eea;
    --page-end: #764ba2;
    --surface: #ffffff;
    --text: #252536;
    --muted: #626277;
    --line: #e2e2ee;
    --accent: #6d5ce7;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: linear-gradient(135deg, var(--page-start), var(--page-end)) fixed;
    color: var(--text);
    font-family: Arial, "Noto Sans KR", sans-serif;
    line-height: 1.75;
}

.page-shell {
    width: min(92%, 820px);
    margin: 42px auto;
    overflow: hidden;
    border-radius: 24px;
    background: var(--surface);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.info-header {
    padding: 28px clamp(24px, 6vw, 54px);
    border-bottom: 1px solid var(--line);
}

.brand {
    color: var(--accent);
    font-size: 20px;
    font-weight: 800;
    text-decoration: none;
}

.info-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-top: 14px;
}

.info-nav a {
    color: var(--muted);
    font-size: 14px;
    font-weight: bold;
    text-decoration: none;
}

.info-nav a:hover,
.info-nav a[aria-current="page"] { color: var(--accent); }

main { padding: 42px clamp(24px, 6vw, 54px) 54px; }

.eyebrow {
    margin: 0 0 8px;
    color: var(--accent);
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1 { margin: 0 0 16px; font-size: clamp(32px, 7vw, 46px); line-height: 1.25; }
h2 { margin: 38px 0 12px; font-size: 25px; line-height: 1.35; }
h3 { margin: 24px 0 8px; font-size: 19px; }
p, li { color: var(--muted); }
a { color: var(--accent); }

.lead { margin: 0 0 32px; font-size: 18px; }

.info-card {
    margin: 20px 0;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fafafe;
}

.info-card h2,
.info-card h3 { margin-top: 0; }

.notice {
    padding: 17px 19px;
    border-left: 4px solid var(--accent);
    border-radius: 8px;
    background: #f4f2ff;
}

.updated { color: var(--muted); font-size: 13px; }

.info-footer {
    padding: 22px clamp(24px, 6vw, 54px);
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 560px) {
    .page-shell { width: 100%; margin: 0; border-radius: 0; }
    .info-header, main, .info-footer { padding-left: 22px; padding-right: 22px; }
}