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

body {
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: #fff;
    background: url('horse.png') no-repeat center center / cover fixed;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1;
}

.content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem 1.5rem;
    max-width: 700px;
    width: 100%;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.tagline {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 3rem;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.platforms {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.platform {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 2rem 1.5rem;
    width: 260px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.platform-icon {
    width: 40px;
    height: 40px;
}

.platform h2 {
    font-size: 1.4rem;
    font-weight: 600;
}

.platform p {
    font-size: 0.95rem;
    opacity: 0.85;
    margin-bottom: 0.75rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-android {
    background: #3ddc84;
    color: #1a1a2e;
}

.btn-android:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(61, 220, 132, 0.4);
}

.btn-ios {
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.5);
    cursor: default;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.platform.disabled {
    opacity: 0.6;
}

@media (max-width: 600px) {
    h1 {
        font-size: 2.4rem;
    }

    .tagline {
        font-size: 1.05rem;
        margin-bottom: 2rem;
    }

    .platforms {
        flex-direction: column;
        align-items: center;
        gap: 1.25rem;
    }

    .platform {
        width: 100%;
        max-width: 300px;
    }
}