:root {
    --bg: #050816;
    --bg-accent: #0c1630;
    --panel: rgba(10, 18, 40, 0.78);
    --line: rgba(125, 237, 255, 0.22);
    --text: #f6fbff;
    --muted: #b4c7d9;
    --cyan: #7deeff;
    --lime: #86ff93;
    --orange: #ff9b52;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background:
        radial-gradient(circle at top, rgba(125, 238, 255, 0.12), transparent 36%),
        radial-gradient(circle at bottom right, rgba(255, 155, 82, 0.12), transparent 28%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-accent) 100%);
    color: var(--text);
    font-family: "Trebuchet MS", "Avenir Next", sans-serif;
}

body {
    padding: 24px;
}

.shell {
    max-width: 980px;
    margin: 0 auto;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
}

.brand {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.nav a,
.button {
    color: var(--text);
    text-decoration: none;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    padding: 10px 14px;
    border-radius: 999px;
    transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.nav a:hover,
.button:hover {
    transform: translateY(-1px);
    border-color: rgba(125, 237, 255, 0.5);
    background: rgba(125, 237, 255, 0.08);
}

.hero,
.card {
    border: 1px solid var(--line);
    background: var(--panel);
    backdrop-filter: blur(10px);
    border-radius: 28px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.hero {
    padding: 44px 32px;
    overflow: hidden;
    position: relative;
}

.hero::after {
    content: "";
    position: absolute;
    inset: auto -60px -60px auto;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(134, 255, 147, 0.22), transparent 68%);
    pointer-events: none;
}

.eyebrow {
    color: var(--cyan);
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

h1, h2 {
    margin: 0 0 16px;
    line-height: 0.95;
    text-transform: uppercase;
}

h1 {
    font-size: clamp(2.8rem, 9vw, 5.8rem);
    max-width: 760px;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
}

p {
    margin: 0 0 16px;
    color: var(--muted);
    line-height: 1.65;
    font-size: 1.02rem;
}

.hero-copy {
    max-width: 680px;
}

.hero-actions,
.button-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 26px;
}

.button.primary {
    background: linear-gradient(135deg, rgba(125, 237, 255, 0.18), rgba(134, 255, 147, 0.16));
    border-color: rgba(125, 237, 255, 0.55);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin-top: 22px;
}

.card {
    padding: 24px;
}

.card strong {
    display: block;
    margin-bottom: 10px;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.section {
    margin-top: 28px;
}

.meta {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--orange);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.82rem;
}

.footer {
    margin-top: 28px;
    color: var(--muted);
    font-size: 0.92rem;
}

a.inline {
    color: var(--cyan);
}

ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.7;
}

@media (max-width: 640px) {
    body {
        padding: 16px;
    }

    .hero,
    .card {
        padding: 22px;
        border-radius: 22px;
    }

    .nav {
        flex-direction: column;
        align-items: flex-start;
    }
}