:root {
    --bg: #0b1220;
    --card: #111a2c;
    --text: #e8eefc;
    --muted: #a7b4d6;
    --line: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
    background: radial-gradient(1200px 600px at 20% 0%, #152347 0%, var(--bg) 55%);
    color: var(--text);
}

.container {
    width: min(980px, calc(100% - 32px));
    margin: 0 auto;
}

.topbar {
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(10px);
    background: rgba(10, 16, 30, 0.55);
}

.topbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.brand { display: flex; gap: 10px; align-items: center; }
.logo { font-size: 20px; }
.title { font-weight: 700; letter-spacing: 0.2px; }

.nav { display: flex; gap: 14px; }
.navlink {
    color: var(--text);
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid transparent;
}
.navlink:hover {
    border-color: var(--line);
    background: rgba(255,255,255,0.04);
}

main { padding: 28px 0 36px; }

.card {
    background: rgba(17, 26, 44, 0.85);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 22px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.lead { font-size: 1.05rem; color: var(--muted); }

.grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}
@media (min-width: 860px) {
    .grid { grid-template-columns: 1fr 1fr; }
}

.panel {
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 16px;
    background: rgba(255,255,255,0.03);
}

.muted { color: var(--muted); }
.note {
    margin-top: 16px;
    border-left: 3px solid rgba(255,255,255,0.25);
    padding: 10px 12px;
    color: var(--muted);
}

.footer {
    border-top: 1px solid var(--line);
    padding: 18px 0;
    color: var(--muted);
}

.brand-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-bottom: 12px;
}

.brand-logo {
    width: 128px;
    height: 128px;
    flex-shrink: 0;
}

.brand-header h1 {
    margin: 0;
    line-height: 1.1;
}

@media (max-width: 480px) {
    .brand-hero {
        text-align: center;
    }

    .brand-hero .brand-header {
        justify-content: center;
    }

    .brand-header {
        flex-direction: column;
        gap: 10px;
    }

}

.brand-hero {
    text-align: left;
}

.brand-hero .brand-header {
    justify-content: flex-start;
}

.brand-hero .lead {
    max-width: 720px;
}