:root {
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --gradient-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-6: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
    --gradient-7: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --gradient-8: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.bg-gradient-nav {
    background: var(--gradient-6);
}

.hero-section {
    background: var(--gradient-1);
    min-height: 60vh;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.download-card {
    border: none;
    border-radius: 20px;
    transition: all 0.3s ease;
    overflow: hidden;
}

.download-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-celular {
    background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
}

.card-celular::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-1);
}

.card-tvbox {
    background: linear-gradient(135deg, #ffffff 0%, #fff0f0 100%);
}

.card-tvbox::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-2);
}

.gradient-btn-1 {
    background: var(--gradient-1);
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.gradient-btn-1::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.gradient-btn-1:hover::before {
    left: 100%;
}

.gradient-btn-1:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.gradient-btn-2 {
    background: var(--gradient-2);
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.gradient-btn-2::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.gradient-btn-2:hover::before {
    left: 100%;
}

.gradient-btn-2:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(245, 87, 108, 0.4);
}

.feature-card {
    border-radius: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-color: transparent;
}

.feature-card:nth-child(1):hover {
    background: var(--gradient-1);
    color: white;
}

.feature-card:nth-child(1):hover h5,
.feature-card:nth-child(1):hover p {
    color: white;
}

.feature-card:nth-child(1):hover .bi {
    color: white !important;
}

.feature-card:nth-child(2):hover {
    background: var(--gradient-4);
    color: white;
}

.feature-card:nth-child(2):hover h5,
.feature-card:nth-child(2):hover p {
    color: white;
}

.feature-card:nth-child(2):hover .bi {
    color: white !important;
}

.feature-card:nth-child(3):hover {
    background: var(--gradient-3);
    color: white;
}

.feature-card:nth-child(3):hover h5,
.feature-card:nth-child(3):hover p {
    color: white;
}

.feature-card:nth-child(3):hover .bi {
    color: white !important;
}

.install-card {
    border-radius: 20px;
    background: white;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
}

.install-card:hover {
    border-color: #667eea;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
}

.install-card ol {
    padding-left: 20px;
}

.install-card li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.install-card li::marker {
    font-weight: bold;
    color: #667eea;
}

.btn-light {
    transition: all 0.3s ease;
}

.btn-light:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 50vh;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .download-card {
        margin-bottom: 20px;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-section .bi-tv-fill {
    animation: float 3s ease-in-out infinite;
}