:root {
    --bg: #0e1116;
    --surface: #161a22;
    --surface-variant: #1e2430;
    --text: #e6e8ee;
    --text-secondary: #aab0c0;
    --primary: #b69cff;
    --outline: rgba(255,255,255,0.08);
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: radial-gradient(900px 500px at top left, #1b1f3b, var(--bg));
    color: var(--text);
}

.app-header {
    padding: 24px;
    background: linear-gradient(135deg, #2d214f, var(--surface));
    border-bottom: 1px solid var(--outline);
}

.header-content {
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 1000px;
    margin: auto;
}

.app-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
}

.subtitle {
    color: var(--text-secondary);
}

.content {
    max-width: 1000px;
    margin: 32px auto;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.card {
    background: var(--surface);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid var(--outline);
}

h2 {
    margin-top: 0;
    color: var(--primary);
}

.feature {
    opacity: 0;
    transform: translateY(20px);
    animation: featureReveal 0.6s ease forwards;
}

.feature:nth-child(1) { animation-delay: 0.05s; }
.feature:nth-child(2) { animation-delay: 0.15s; }
.feature:nth-child(3) { animation-delay: 0.25s; }
.feature:nth-child(4) { animation-delay: 0.35s; }

@keyframes featureReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


.feature .icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(182,156,255,0.18);
    display: flex;
    align-items: center;
    justify-content: center;
}


.screenshots {
    margin-top: 48px;
}

.screenshot-row {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
}

.screenshot-row img {
    height: 420px;
    border-radius: 24px;
    border: 1px solid var(--outline);
    scroll-snap-align: start;
    box-shadow: 0 20px 50px rgba(0,0,0,0.45);
    transition: transform 0.35s ease;
}

.screenshot-row img:hover {
    transform: translateY(-6px) scale(1.02);
}

/* scrollbar polish */
.screenshot-row::-webkit-scrollbar {
    height: 6px;
}
.screenshot-row::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 999px;
}


.download {
    text-align: center;
}

.play-badge {
    max-width: 200px;
}

footer {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    border-top: 1px solid var(--outline);
    margin-top: 40px;
}