* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #000000;
    color: #ffffff;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    text-align: center;
    color: white;
    padding: 80px 20px 60px;
    background: #000000;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.7;
    font-weight: 400;
}

main {
    background: #000000;
    padding: 0 40px 80px;
}

.hero-statement {
    text-align: center;
    padding: 80px 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-statement h2 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.3;
    color: #b8b8b8;
    letter-spacing: -0.5px;
}

.primary-download {
    text-align: center;
    margin-bottom: 100px;
}

.primary-download > h2 {
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #ffffff;
    font-weight: 600;
}

.primary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.download-card {
    background: #0a0a0a;
    border: 1px solid #1a1a1a;
    border-radius: 8px;
    padding: 50px 40px;
    transition: transform 0.2s ease, border-color 0.2s ease;
    text-align: center;
}

.download-card:hover {
    border-color: #333;
}

.download-card.primary {
    background: #0a0a0a;
    border: 1px solid #1a1a1a;
    color: white;
}

.download-card.primary:hover {
    border-color: #333;
}

.device-icon {
    color: #ffffff;
    margin-bottom: 30px;
    opacity: 0.9;
}

.download-card.primary .device-icon {
    color: white;
}

.download-card h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.download-card p {
    font-size: 0.95rem;
    margin-bottom: 8px;
    opacity: 0.6;
}

.download-card .os-version {
    font-size: 0.85rem;
    opacity: 0.5;
    margin-bottom: 30px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    color: #000000;
    padding: 14px 50px;
    border-radius: 4px;
    border: none;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.download-btn:hover {
    background: #e6e6e6;
}

.download-card.primary .download-btn {
    background: white;
    color: #000000;
}

.download-card:not(.primary) .download-btn {
    background: #ffffff;
    color: #000000;
}

.download-card:not(.primary) .download-btn:hover {
    background: #e6e6e6;
}

.primary-btn {
    font-size: 0.95rem;
    padding: 14px 50px;
}

/* Instructions */
.instructions {
    max-width: 700px;
    margin: 50px auto 0;
    background: #0a0a0a;
    border: 1px solid #1a1a1a;
    border-radius: 8px;
    padding: 40px 50px;
    opacity: 1;
}

.instructions-content h3 {
    color: #ffffff;
    font-size: 1.3rem;
    margin-bottom: 25px;
    text-align: center;
    font-weight: 600;
}

.instructions-content ol {
    list-style: none;
    counter-reset: instruction-counter;
    text-align: left;
}

.instructions-content ol li {
    counter-increment: instruction-counter;
    margin-bottom: 18px;
    padding-left: 50px;
    position: relative;
    font-size: 1rem;
    line-height: 1.6;
    color: #cccccc;
}

.instructions-content ol li::before {
    content: counter(instruction-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: #ffffff;
    color: #000000;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.instructions-content strong {
    color: #ffffff;
    font-weight: 600;
}

/* All Platforms */
.all-platforms {
    padding-top: 60px;
    border-top: 1px solid #1a1a1a;
    margin-top: 60px;
}

.all-platforms > h2 {
    font-size: 2rem;
    margin-bottom: 50px;
    text-align: center;
    color: #ffffff;
    font-weight: 600;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.other-platform-note {
    text-align: center;
    margin-top: 40px;
    color: #666;
    font-size: 0.95rem;
}

.other-platform-note a {
    color: #ffffff;
    text-decoration: underline;
}

.platform-notes {
    text-align: center;
    margin-top: 50px;
    padding: 0 20px;
}

.platform-notes .note-text {
    color: #666;
    font-size: 0.85rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

footer {
    text-align: center;
    color: #666;
    padding: 60px 20px 40px;
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 968px) {
    .primary-cards {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }

    header {
        padding: 60px 20px 40px;
    }

    .subtitle {
        font-size: 1rem;
    }

    main {
        padding: 0 20px 60px;
    }

    .hero-statement {
        padding: 60px 20px;
    }

    .hero-statement h2 {
        font-size: 1.8rem;
    }

    .primary-download > h2,
    .all-platforms > h2 {
        font-size: 1.8rem;
    }

    .primary-cards {
        grid-template-columns: 1fr;
    }

    .download-card {
        padding: 40px 30px;
    }

    .platforms-grid {
        grid-template-columns: 1fr;
    }

    .instructions-content ol li {
        font-size: 0.95rem;
        padding-left: 45px;
    }

    .instructions {
        padding: 30px 25px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    main {
        padding: 0 15px 40px;
    }

    .hero-statement {
        padding: 40px 15px;
    }

    .hero-statement h2 {
        font-size: 1.4rem;
    }

    .download-card h3 {
        font-size: 1.3rem;
    }

    .download-btn {
        padding: 12px 35px;
        font-size: 0.9rem;
    }

    .primary-btn {
        padding: 12px 35px;
    }

    .instructions {
        padding: 25px 20px;
    }
}