* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
    margin: 0;
    color: #f4f7fb;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 18% 18%, rgba(88,199,246,.18), transparent 32%),
        radial-gradient(circle at 82% 10%, rgba(125,211,252,.12), transparent 30%),
        linear-gradient(180deg, #070b12, #0b111a);
    -webkit-font-smoothing: antialiased;
}
.page {
    width: min(940px, calc(100% - 32px));
    min-height: 100vh;
    margin: 0 auto;
    padding: 44px 0;
    display: grid;
    align-content: center;
}
.card {
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 24px;
    background:
        radial-gradient(circle at 88% 82%, rgba(22, 140, 255, .08), transparent 34%),
        linear-gradient(180deg, rgba(255, 255, 255, .043), rgba(255, 255, 255, .016)),
        rgba(38, 39, 58, .84);
    box-shadow: 0 18px 46px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.08);
    backdrop-filter: blur(26px) saturate(1.14);
    padding: clamp(24px, 5vw, 46px);
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 22px;
    color: #9aa6b7;
    font-weight: 900;
}
.brand img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: 12px;
    background: #f7fbff;
    padding: 6px;
}
h1 {
    margin: 0 0 12px;
    font-size: clamp(28px, 5vw, 44px);
    line-height: 1.12;
    letter-spacing: 0;
}
.intro {
    margin: 0 0 28px;
    color: #9aa6b7;
    font-size: 16px;
    line-height: 1.7;
}
h2 {
    margin: 24px 0 8px;
    font-size: 18px;
}
p {
    margin: 0 0 10px;
    color: #c3ccd8;
    font-size: 15px;
    line-height: 1.85;
}
.actions {
    margin-top: 28px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
a {
    color: inherit;
    text-decoration: none;
}
.btn {
    min-height: 42px;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    color: #f4f7fb;
    background: rgba(255,255,255,.075);
    font-weight: 900;
}
.btn.primary {
    border-color: #58c7f6;
    background: #58c7f6;
    color: #07111a;
}
@media (max-width: 640px) {
    .page { width: min(100% - 20px, 940px); padding: 18px 0; align-content: start; }
    .card { border-radius: 18px; }
}