:root {
    --bg: #081227;
    --bg-alt: #0f1b35;
    --card: #122240;
    --text: #eef4ff;
    --muted: #afbddb;
    --primary: #00d4ff;
    --secondary: #7a5cff;
    --border: rgba(255, 255, 255, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top, rgba(0, 212, 255, 0.2), transparent 35%),
        radial-gradient(circle at bottom, rgba(122, 92, 255, 0.2), transparent 30%),
        var(--bg);
    line-height: 1.6;
}

a {
    color: var(--primary);
}

.hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.25rem 3rem;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand {
    font-weight: 700;
    letter-spacing: 0.02em;
}

.lang-switcher {
    display: inline-flex;
    border: 1px solid var(--border);
    border-radius: 999px;
    overflow: hidden;
}

.lang-btn {
    background: transparent;
    color: var(--text);
    border: 0;
    padding: 0.45rem 0.7rem;
    cursor: pointer;
    font-size: 0.85rem;
}

.lang-btn.is-active {
    background: linear-gradient(130deg, var(--primary), var(--secondary));
    color: #06101f;
    font-weight: 700;
}

.hero-content {
    margin-top: 3rem;
    max-width: 780px;
}

.eyebrow {
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
}

h1,
h2,
h3 {
    line-height: 1.2;
    margin: 0 0 0.75rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.3rem);
}

.lead {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 65ch;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn {
    display: inline-block;
    text-decoration: none;
    border-radius: 999px;
    padding: 0.75rem 1.15rem;
    border: 1px solid var(--border);
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(130deg, var(--primary), var(--secondary));
    color: #06101f;
    border: none;
}

.btn-secondary {
    color: var(--text);
    background: transparent;
}

.btn-ghost {
    color: var(--text);
}

.section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 1.25rem;
}

.section-alt {
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.1rem;
}

.card p {
    color: var(--muted);
    margin: 0;
}

.footer {
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--muted);
    padding: 1.2rem;
    margin-top: 1rem;
}