:root {
    --bg: #0b1223;
    --panel: #0f172a;
    --muted: #8ba6c7;
    --text: #e8eef7;
    --accent: #7dd3fc;
    --accent-strong: #22d3ee;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 30px 80px rgba(6, 10, 26, 0.45);
    --radius-xl: 26px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Manrope", "Helvetica Neue", Arial, sans-serif;
    background: radial-gradient(120% 140% at 20% 20%, rgba(51, 65, 85, 0.3), transparent 35%),
        radial-gradient(90% 100% at 80% 10%, rgba(34, 211, 238, 0.18), transparent 40%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding: 48px 18px 72px;
    display: flex;
    justify-content: center;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-strong);
}

.page {
    width: min(1100px, 100%);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    margin-bottom: 28px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.brand__dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-strong), #60a5fa);
    box-shadow: 0 0 0 6px rgba(34, 211, 238, 0.18);
}

.lang-switch {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    font-size: 14px;
    color: var(--muted);
}

.lang-switch a {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--text);
    transition: all 0.2s ease;
}

.lang-switch a.active {
    background: var(--accent-strong);
    color: #0b1223;
    border-color: transparent;
    box-shadow: 0 10px 30px rgba(34, 211, 238, 0.35);
}

.lang-switch a:hover:not(.active) {
    border-color: var(--accent);
}

.hero {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: var(--radius-xl);
    padding: 32px 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.hero__text h1 {
    margin: 0 0 12px;
    font-size: clamp(28px, 4vw, 36px);
}

.hero__text p {
    margin: 0 0 18px;
    color: var(--muted);
    line-height: 1.7;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 13px;
    background: rgba(255, 255, 255, 0.02);
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
}

.btn {
    padding: 12px 16px;
    border-radius: 14px;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent-strong), #60a5fa);
    color: #041025;
    box-shadow: 0 18px 45px rgba(34, 211, 238, 0.35);
}

.btn.secondary {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--border);
    color: var(--text);
}

.hero__media {
    background: #080d1a;
    border-radius: 20px;
    border: 1px solid var(--border);
    padding: 10px;
}

.hero__media img {
    width: 100%;
    display: block;
    border-radius: 14px;
}

.section {
    margin-top: 36px;
}

.section__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 16px;
}

.section__header h2 {
    margin: 0;
    font-size: 22px;
    letter-spacing: 0.01em;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.card {
    padding: 18px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.card h3 {
    margin: 0 0 10px;
    font-size: 18px;
}

.card p {
    margin: 0 0 12px;
    color: var(--muted);
    line-height: 1.6;
}

.bullet-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 6px;
}

.bullet-list li {
    padding: 6px 0;
    color: var(--text);
    display: inline-flex;
    gap: 8px;
    align-items: center;
}

.bullet-list li::before {
    content: "•";
    color: var(--accent);
}

.steps {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px;
    align-items: start;
}

.step__num {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: rgba(125, 211, 252, 0.14);
    color: var(--accent);
    font-weight: 700;
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
}

.step__body strong {
    display: block;
    margin-bottom: 6px;
}

.shell {
    background: #0a1324;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 10px 12px;
    font-family: "Fira Code", Menlo, Monaco, Consolas, monospace;
    color: var(--text);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.footer {
    margin-top: 32px;
    color: var(--muted);
    font-size: 14px;
}

@media (max-width: 640px) {
    body {
        padding: 32px 14px 56px;
    }

    .hero {
        padding: 22px 18px;
    }
}