:root {
    --bg-color: #0b1120;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --accent-hover: #60a5fa;
    --card-bg: rgba(30, 41, 59, 0.4);
    --card-border: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background glows for aesthetics */
.background-glow {
    position: absolute;
    top: -20%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(11, 17, 32, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

.background-glow.glow-2 {
    top: 40%;
    left: 60%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, rgba(11, 17, 32, 0) 70%);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1.5rem 2rem 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 2.5rem;
    animation: fadeIn 1s ease-out;
}

.brand-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
}

.logo-container {
    width: 4.5rem;
    height: 4.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.app-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

.title {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    margin: 0;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--accent-hover);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: 9999px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.5);
}

.download-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 35px -5px rgba(59, 130, 246, 0.6);
}

.version-info {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Screenshot Showcase */
.screenshot-showcase {
    position: relative;
    width: 100%;
    max-width: 900px;
    height: 380px;
    margin: 1rem auto 0;
    display: flex;
    justify-content: center;
    perspective: 2000px;
}

.screen-wrapper {
    position: absolute;
    width: 260px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    background: #1e293b;
    backface-visibility: hidden;
    will-change: transform, filter;
}

.screen-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

/* Default States */
.screen-4 { transform: translateX(-320px) rotateY(35deg) scale(0.85); z-index: 1; filter: brightness(0.6); }
.screen-3 { transform: translateX(-110px) rotateY(20deg) scale(0.95); z-index: 2; filter: brightness(0.8); }
.screen-1 { transform: translateX(110px) rotateY(-20deg) scale(0.95); z-index: 2; filter: brightness(0.8); }
.screen-5 { transform: translateX(320px) rotateY(-35deg) scale(0.85); z-index: 1; filter: brightness(0.6); }

/* Parent Hover - Spread out */
.screenshot-showcase:hover .screen-wrapper {
    filter: brightness(0.9);
}

.screenshot-showcase:hover .screen-4 { transform: translateX(-440px) rotateY(15deg) scale(0.9); }
.screenshot-showcase:hover .screen-3 { transform: translateX(-150px) rotateY(10deg) scale(1); }
.screenshot-showcase:hover .screen-1 { transform: translateX(150px) rotateY(-10deg) scale(1); }
.screenshot-showcase:hover .screen-5 { transform: translateX(440px) rotateY(-15deg) scale(0.9); }

/* Individual Hover - Focus */
.screenshot-showcase .screen-wrapper:hover {
    transform: translateX(var(--hover-x, 0)) rotateY(0) scale(1.1);
    z-index: 10;
    filter: brightness(1);
    box-shadow: 0 50px 100px rgba(0, 0, 0, 0.8);
}

/* Set individual hover X positions to match the parent hover layout */
.screenshot-showcase .screen-4:hover { --hover-x: -440px; }
.screenshot-showcase .screen-3:hover { --hover-x: -150px; }
.screenshot-showcase .screen-1:hover { --hover-x: 150px; }
.screenshot-showcase .screen-5:hover { --hover-x: 440px; }

@media (max-width: 768px) {
    .screenshot-showcase {
        height: 420px;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
        gap: 1.5rem;
        perspective: none;
        margin-top: 2rem;
        overflow-x: auto;
        overflow-y: visible;
        padding: 0 10%;
        scroll-snap-type: x mandatory;
        scrollbar-width: none; /* Hide scrollbar for Chrome/Safari */
    }
    
    .screenshot-showcase::-webkit-scrollbar {
        display: none; /* Hide scrollbar for Firefox */
    }

    .screen-wrapper {
        position: relative;
        flex: 0 0 85%;
        width: 85%;
        max-width: 280px;
        transform: none !important;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
        scroll-snap-align: center;
        filter: brightness(0.9);
        transition: transform 0.4s ease, filter 0.4s ease;
    }

    /* Simple indicator that more images exist */
    .screenshot-showcase::after {
        content: "";
        flex: 0 0 10%;
    }

    .screen-wrapper:active {
        transform: scale(0.98);
    }
    
    /* Animation when in view (conceptually simulated by hover for testing) */
    .screenshot-showcase .screen-wrapper:hover {
        filter: brightness(1);
        transform: scale(1.02);
    }
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    width: 100%;
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 2rem;
    border-radius: 24px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
}

.icon-wrapper {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-hover);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Footer */
footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
    width: 100%;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .title {
        font-size: 3rem;
    }
    .subtitle {
        font-size: 1.25rem;
    }
    .features {
        grid-template-columns: 1fr;
    }
}