:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(17, 24, 39, 0.7);
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --accent: #ff1b2d;
    --accent-hover: #e01726;
    --glass-border: rgba(255, 255, 255, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(255, 27, 45, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(255, 27, 45, 0.05), transparent 25%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    overflow: hidden;
}

.container {
    padding: 2rem;
    width: 100%;
    max-width: 600px;
    position: relative;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,27,45,0.15) 0%, rgba(0,0,0,0) 70%);
    filter: blur(40px);
    z-index: 0;
    animation: pulseGlow 4s infinite alternate;
}

@keyframes pulseGlow {
    0% { opacity: 0.6; transform: translate(-50%, -50%) scale(0.9); }
    100% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.content-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: 4rem 3rem;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255,255,255,0.1);
    position: relative;
    z-index: 1;
    animation: floatIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(40px);
}

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

.icon-wrapper {
    width: 96px;
    height: 96px;
    margin: 0 auto 2.5rem;
    background: linear-gradient(145deg, rgba(255, 27, 45, 0.15), rgba(255, 27, 45, 0.02));
    border-radius: 28px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(255, 27, 45, 0.2);
    color: var(--accent);
    box-shadow: 0 10px 30px -10px rgba(255, 27, 45, 0.3);
    transition: transform 0.3s ease;
}

.content-card:hover .icon-wrapper {
    transform: scale(1.05) translateY(-5px);
}

.icon-wrapper svg {
    width: 52px;
    height: 52px;
    filter: drop-shadow(0 4px 6px rgba(255,27,45,0.4));
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 3rem;
    font-weight: 400;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--accent);
    color: white;
    text-decoration: none;
    padding: 1.25rem 3rem;
    border-radius: 100px;
    font-weight: 700;
    font-size: 1.25rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 25px -5px rgba(255, 27, 45, 0.4);
    position: relative;
    overflow: hidden;
}

.download-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.download-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px -5px rgba(255, 27, 45, 0.5);
}

.download-btn:hover::after {
    left: 100%;
}

.download-btn:active {
    transform: translateY(1px) scale(0.98);
}

.download-btn svg {
    transition: transform 0.3s ease;
}

.download-btn:hover svg {
    transform: translateX(4px);
}

.features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: #d1d5db;
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.feature:hover {
    opacity: 1;
}

.feature svg {
    opacity: 0.9;
}

@media (max-width: 640px) {
    .content-card {
        padding: 3rem 1.5rem;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    p {
        font-size: 1.1rem;
    }
    
    .features {
        gap: 1rem;
        flex-direction: column;
    }
    
    .feature {
        flex-direction: row;
        justify-content: center;
    }
}