html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #0b1020;
    color: #f3f4f6;
}

a {
    text-decoration: none;
}

.vp-container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.vp-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 16, 32, 0.88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.vp-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 78px;
    gap: 20px;
}

.vp-brand {
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
}

.vp-links {
    display: flex;
    gap: 28px;
}

    .vp-links a,
    .vp-language a {
        color: #d1d5db;
        transition: 0.2s ease;
    }

        .vp-links a:hover,
        .vp-language a:hover {
            color: #ffffff;
        }

.vp-language {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.hero-section {
    padding: 90px 0 70px;
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 35%), #0b1020;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    margin-bottom: 18px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.16);
    color: #93c5fd;
    font-size: 0.9rem;
    font-weight: 600;
}

.hero-content h1 {
    margin: 0 0 18px;
    font-size: 3.1rem;
    line-height: 1.1;
    font-weight: 800;
    color: #ffffff;
}

.hero-content p {
    margin: 0;
    max-width: 640px;
    font-size: 1.08rem;
    line-height: 1.8;
    color: #cbd5e1;
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.vp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 22px;
    border-radius: 12px;
    font-weight: 700;
    transition: 0.2s ease;
}

.vp-btn-primary {
    background: #2563eb;
    color: #ffffff;
}

    .vp-btn-primary:hover {
        background: #1d4ed8;
        color: #ffffff;
    }

.vp-btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

    .vp-btn-secondary:hover {
        background: rgba(255, 255, 255, 0.14);
        color: #ffffff;
    }

.hero-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.hero-card-top {
    display: flex;
    gap: 8px;
    padding: 16px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #64748b;
}

.hero-card-body {
    padding: 26px 22px;
    font-family: Consolas, monospace;
    color: #cbd5e1;
    line-height: 1.9;
}

.content-section {
    padding: 80px 0;
}

.alt-section {
    background: rgba(255, 255, 255, 0.03);
}

.content-section h2 {
    margin: 0 0 28px;
    font-size: 2rem;
    color: #ffffff;
}

.card-grid {
    display: grid;
    gap: 20px;
}

    .card-grid.three {
        grid-template-columns: repeat(3, 1fr);
    }

    .card-grid.two {
        grid-template-columns: repeat(2, 1fr);
    }

.info-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 24px;
}

    .info-card h3 {
        margin: 0 0 12px;
        color: #ffffff;
        font-size: 1.2rem;
    }

    .info-card p {
        margin: 0;
        color: #cbd5e1;
        line-height: 1.7;
    }

.download-box {
    text-align: center;
    padding: 42px 24px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.18), rgba(255, 255, 255, 0.04));
    border: 1px solid rgba(255, 255, 255, 0.08);
}

    .download-box h2 {
        margin-bottom: 16px;
    }

    .download-box p {
        margin: 0 auto 24px;
        max-width: 720px;
        color: #cbd5e1;
        line-height: 1.8;
    }

.vp-footer {
    padding: 28px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

    .vp-footer p {
        margin: 0;
        color: #94a3b8;
        text-align: center;
    }

@media (max-width: 900px) {
    .hero-grid,
    .card-grid.three,
    .card-grid.two {
        grid-template-columns: 1fr;
    }

    .vp-nav {
        flex-wrap: wrap;
        justify-content: center;
        padding: 14px 0;
    }

    .vp-links {
        gap: 18px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-content h1 {
        font-size: 2.3rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-content,
    .content-section,
    .download-box {
        text-align: center;
    }
}