:root {
    --primary: #d946ef; /* Pink */
    --secondary: #a855f7; /* Purple */
    --accent: #c084fc; /* Lilac */
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-main: #ffffff;
    --text-muted: #f3f4f6;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #1a1a1a;
    background-image: url('images/background.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--text-main);
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(88, 28, 135, 0.4), rgba(17, 24, 39, 0.8));
    backdrop-filter: blur(8px);
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
    perspective: 1000px;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 0.8s ease-out forwards;
    transform: translateY(20px);
    opacity: 0;
}

.logo-container {
    margin-bottom: 30px;
    animation: scaleIn 1s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.logo {
    max-width: 180px;
    height: auto;
    filter: drop-shadow(0 0 15px rgba(217, 70, 239, 0.3));
}

.content h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(to right, #ffccff, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.content p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 35px;
    line-height: 1.6;
    font-weight: 400;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 20px -5px rgba(168, 85, 247, 0.5);
    width: 100%;
    position: relative;
    overflow: hidden;
}

.whatsapp-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
}

.whatsapp-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 30px -5px rgba(168, 85, 247, 0.6);
}

.whatsapp-btn:hover::after {
    opacity: 1;
}

.whatsapp-btn:active {
    transform: translateY(0) scale(0.98);
}

/* Animations */
@keyframes fadeInUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Responsiveness */
@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .card {
        padding: 30px 20px;
    }
    
    .content h1 {
        font-size: 1.5rem;
    }
    
    .logo {
        max-width: 140px;
    }
}

/* Background elements floating (Subtle) */
body::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--primary);
    filter: blur(100px);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    opacity: 0.2;
    z-index: -1;
}

body::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--secondary);
    filter: blur(120px);
    border-radius: 50%;
    bottom: -150px;
    left: -150px;
    opacity: 0.2;
    z-index: -1;
}