:root {
    color-scheme: light dark;
    --bg: #f0f0f9;
    --bg-card: #ffffff;
    --text: #232154;
    --text-secondary: #807fb9;
    --primary: #232154;
    --primary-soft: rgba(35, 33, 84, 0.06);
    --accent: #ff6b6b;
    --border: rgba(35, 33, 84, 0.06);
    --shadow: 0 1px 3px rgba(35, 33, 84, 0.04), 0 4px 12px rgba(35, 33, 84, 0.03);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0e0d1a;
        --bg-card: #1a1940;
        --text: #f0f0f9;
        --text-secondary: #c6c6e8;
        --primary-soft: rgba(128, 127, 185, 0.12);
        --border: rgba(198, 198, 232, 0.08);
        --shadow: 0 1px 3px rgba(0, 0, 0, 0.2), 0 4px 12px rgba(0, 0, 0, 0.15);
    }
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    background: radial-gradient(circle at top, rgba(255, 107, 107, 0.08), transparent 40%), var(--bg);
    color: var(--text);
    font-family: -apple-system, "SF Pro Text", "Helvetica Neue", sans-serif;
    -webkit-font-smoothing: antialiased;
}

.page {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    padding: 32px 20px 60px;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.site-nav a {
    text-decoration: none;
    color: var(--text);
    padding: 9px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    box-shadow: var(--shadow);
    font-size: 14px;
    font-weight: 600;
}

.site-nav a:hover {
    opacity: 0.9;
}

.hero {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 26px;
    margin-bottom: 16px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.brand img {
    width: 36px;
    height: 36px;
    border-radius: 9px;
}

.brand-name {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
}

h1 {
    margin: 0 0 8px;
    font-size: 34px;
    line-height: 1.14;
    letter-spacing: -0.9px;
}

.subtitle {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.55;
    font-size: 16px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 16px;
}

.card h2 {
    margin: 0 0 7px;
    font-size: 16px;
}

.card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 20px;
}

.panel h2 {
    margin: 18px 0 8px;
    font-size: 19px;
    letter-spacing: -0.3px;
}

.panel h2:first-of-type {
    margin-top: 0;
}

.panel p,
.panel li {
    margin: 0 0 10px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.meta {
    margin: 0 0 18px;
    color: var(--text-secondary);
    font-size: 13px;
}

.cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    background: var(--accent);
    color: #fff;
    border-radius: 12px;
    padding: 11px 18px;
    font-weight: 650;
    font-size: 14px;
}

.cta:hover {
    opacity: 0.9;
}

.footer-note {
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

@media (max-width: 760px) {
    .grid {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 29px;
    }
}