:root {
    color-scheme: dark;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #071426;
    color: #e9f7ff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 0%, rgba(25, 146, 255, 0.24), transparent 36rem),
        radial-gradient(circle at 92% 8%, rgba(132, 52, 255, 0.18), transparent 32rem),
        #071426;
    line-height: 1.65;
}

main {
    width: min(920px, calc(100% - 32px));
    margin: 0 auto;
    padding: 48px 0 72px;
}

.hero,
section {
    border: 1px solid rgba(71, 201, 255, 0.28);
    border-radius: 22px;
    background: rgba(8, 28, 50, 0.88);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.hero {
    padding: clamp(28px, 6vw, 56px);
    margin-bottom: 22px;
}

section {
    padding: clamp(22px, 4vw, 34px);
    margin-top: 18px;
}

.eyebrow {
    margin: 0 0 8px;
    color: #4ee7f0;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2 {
    line-height: 1.18;
}

h1 {
    margin: 0;
    font-size: clamp(2.1rem, 7vw, 4rem);
    background: linear-gradient(90deg, #ffffff, #4ee7f0 48%, #b18cff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

h2 {
    margin: 0 0 14px;
    color: #ffffff;
    font-size: clamp(1.25rem, 4vw, 1.75rem);
}

p,
li {
    color: #c7dbea;
}

ul,
ol {
    padding-left: 1.4rem;
}

li + li {
    margin-top: 0.55rem;
}

a {
    color: #58dfff;
    font-weight: 700;
}

a:focus-visible {
    outline: 3px solid #ffce45;
    outline-offset: 4px;
}

.meta {
    margin: 18px 0 0;
    color: #91abc0;
}

.callout {
    border-color: rgba(255, 205, 55, 0.52);
    background: linear-gradient(145deg, rgba(34, 30, 58, 0.95), rgba(11, 42, 65, 0.95));
}

.action {
    display: inline-block;
    margin-top: 10px;
    padding: 12px 18px;
    border-radius: 999px;
    background: linear-gradient(90deg, #0788ff, #22d4d4);
    color: #041422;
    text-decoration: none;
    font-weight: 900;
}

footer {
    padding: 28px 4px 0;
    color: #8aa4b8;
    text-align: center;
}

@media (max-width: 540px) {
    main {
        width: min(100% - 20px, 920px);
        padding-top: 20px;
    }

    .hero,
    section {
        border-radius: 16px;
    }
}