:root {
    --bg: #E0F2F9;
    --card: #FFFFFF;
    --headline: #486F83;
    --body: #5A7A8C;
    --muted: #8FA8B5;
    --accent: #1E88E5;
    --accent-soft: rgba(30, 136, 229, 0.12);
    --shadow: 0 4px 24px rgba(72, 111, 131, 0.08);
    --shadow-soft: 0 2px 12px rgba(72, 111, 131, 0.06);
    --radius: 20px;
    --radius-sm: 12px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1C1F24;
        --card: #2A2D33;
        --headline: #E6EEF2;
        --body: #B8C5CC;
        --muted: #7A8A92;
        --accent: #4DA3F5;
        --accent-soft: rgba(77, 163, 245, 0.18);
        --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        --shadow-soft: 0 2px 12px rgba(0, 0, 0, 0.25);
    }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
    line-height: 1.55;
    color: var(--body);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

body {
    padding: 3rem 1.25rem 4rem;
    max-width: 720px;
    margin: 0 auto;
}

.mascot {
    display: block;
    width: 140px;
    height: auto;
    margin: 0 auto 1.5rem;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--headline);
    text-align: center;
    margin-bottom: 0.4rem;
}

.subtitle {
    text-align: center;
    color: var(--muted);
    margin-bottom: 2rem;
    font-size: 1rem;
}

h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--headline);
    margin-top: 1.5rem;
    margin-bottom: 0.4rem;
}

p, li {
    font-size: 0.96rem;
    margin-bottom: 0.6rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.lang-switch {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.lang-switch button {
    padding: 0.5rem 1.1rem;
    border: none;
    border-radius: 999px;
    background: var(--card);
    color: var(--body);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-soft);
    transition: all 0.15s ease;
}

.lang-switch button:hover {
    transform: translateY(-1px);
}

.lang-switch button.active {
    background: var(--accent);
    color: #fff;
}

.lang-section { display: none; }
.lang-section.active { display: block; }

.date {
    color: var(--muted);
    font-size: 0.85rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.contact-card {
    background: var(--accent-soft);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    text-align: center;
}

.contact-card strong {
    color: var(--headline);
}

.contact-card a {
    font-weight: 600;
}

.links-stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 320px;
    margin: 0 auto;
}

.links-stack a {
    display: block;
    padding: 1rem 1.25rem;
    background: var(--card);
    border-radius: var(--radius-sm);
    color: var(--headline);
    font-weight: 500;
    box-shadow: var(--shadow-soft);
    transition: transform 0.15s ease;
}

.links-stack a:hover {
    transform: translateY(-2px);
    text-decoration: none;
}

.footer-link {
    display: block;
    text-align: center;
    margin-top: 2rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.footer-link a { color: var(--muted); }