* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: #eaf5ff;
    background:
        radial-gradient(
            circle at 50% 0%,
            rgba(0,168,255,.13),
            transparent 32rem
        ),
        #020a15;
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
}

.nav {
    width: min(1000px, calc(100% - 40px));
    margin: 0 auto;
    padding: 25px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(80,185,240,.12);
}

.brand {
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 2px;
}

.brand span {
    color: #42c8ff;
}

.back {
    color: #8ba9c1;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .8px;
    transition: .2s ease;
}

.back:hover {
    color: #42c8ff;
}

.hero {
    width: min(820px, calc(100% - 40px));
    margin: 0 auto;
    padding: 82px 0 44px;
    text-align: center;
}

.kicker {
    margin-bottom: 10px;
    color: #42c8ff;
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 3px;
}

.hero h1 {
    margin: 0;
    font-size: clamp(34px, 6vw, 52px);
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero p {
    max-width: 600px;
    margin: 18px auto 0;
    color: #819bb2;
    font-size: 15px;
}

.content {
    width: min(820px, calc(100% - 40px));
    margin: 0 auto;
    padding-bottom: 90px;
}

.card {
    margin-bottom: 18px;
    padding: 28px 30px;
    border: 1px solid rgba(80,185,240,.16);
    border-radius: 20px;
    background:
        linear-gradient(
            145deg,
            rgba(9,31,57,.84),
            rgba(4,17,33,.84)
        );
    box-shadow: 0 18px 45px rgba(0,0,0,.18);
}

.card h2 {
    margin: 0 0 12px;
    color: #fff;
    font-size: 19px;
}

.card p {
    margin: 0 0 12px;
    color: #9bb3c7;
    font-size: 14px;
}

.card p:last-child {
    margin-bottom: 0;
}

.card ul {
    margin: 8px 0 0;
    padding-left: 21px;
    color: #9bb3c7;
    font-size: 14px;
}

.card li {
    margin: 7px 0;
}

.highlight {
    color: #ffc229;
    font-weight: 700;
}

.contact {
    display: inline-flex;
    margin-top: 8px;
    padding: 13px 18px;
    border: 1px solid rgba(66,200,255,.48);
    border-radius: 12px;
    background: rgba(0,168,255,.08);
    color: #42c8ff;
    font-size: 13px;
    font-weight: 800;
    transition: .2s ease;
}

.contact:hover {
    background: rgba(0,168,255,.15);
}

.updated {
    margin-top: 28px;
    color: #526f87;
    font-size: 11px;
    text-align: center;
}

footer {
    width: min(1000px, calc(100% - 40px));
    margin: 0 auto;
    padding: 28px 0 38px;
    border-top: 1px solid rgba(80,185,240,.12);
    display: flex;
    justify-content: space-between;
    gap: 20px;
    color: #58748d;
    font-size: 11px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a:hover {
    color: #42c8ff;
}

@media (max-width: 600px) {
    .nav,
    .hero,
    .content,
    footer {
        width: calc(100% - 28px);
    }

    .hero {
        padding-top: 60px;
    }

    .card {
        padding: 23px 20px;
        border-radius: 17px;
    }

    footer {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}