/* Variáveis CSS */
:root {
    --primary-color: #1E88E5;
    --secondary-color: #FF6B6B;
    --dark-color: #2C3E50;
    --light-color: #F8F9FA;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --font-family: 'Inter', sans-serif;
}

/* Reset e configurações gerais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: #333;
}

/* Navbar customizada */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.cart-count {
    font-size: 0.7rem;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1565C0 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Seções */
.section-padding {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: #6C757D;
    margin-bottom: 3rem;
}

/* Cards de produto */
.product-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
}

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

.product-card.featured {
    border: 3px solid var(--primary-color);
    transform: scale(1.05);
}

.product-card.featured::before {
    content: 'MAIS POPULAR';
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--secondary-color);
    color: white;
    padding: 5px 40px;
    font-size: 0.8rem;
    font-weight: 600;
    transform: rotate(45deg);
    z-index: 3;
}

.product-header {
    background: linear-gradient(135deg, var(--primary-color), #1565C0);
    color: white;
    padding: 2rem;
    text-align: center;
}

.product-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.product-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.product-price small {
    font-size: 1rem;
    opacity: 0.8;
}

.product-body {
    padding: 2rem;
}

.product-description {
    color: #6C757D;
    margin-bottom: 2rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.feature-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 2rem;
}

.feature-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--success-color);
    position: absolute;
    left: 0;
    top: 0.5rem;
}

/* Botões */
.btn-primary {
    background: var(--primary-color);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #1565C0;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 136, 229, 0.3);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    padding: 10px 25px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* Cards de benefícios */
.benefit-card {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    background: white;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #1565C0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

/* Seção CTA */
.cta-section {
    background: linear-gradient(135deg, var(--dark-color) 0%, #34495E 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

/* Formulários */
.form-control {
    border-radius: 8px;
    border: 2px solid #E9ECEF;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(30, 136, 229, 0.25);
}

/* Carrinho */
.cart-item {
    border-bottom: 1px solid #E9ECEF;
    padding: 1.5rem 0;
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-summary {
    background: var(--light-color);
    border-radius: 10px;
    padding: 2rem;
}

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsividade */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-card.featured {
        transform: none;
    }
    
    .product-price {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-padding {
        padding: 60px 0;
    }
    
    .product-header {
        padding: 1.5rem;
    }
    
    .product-body {
        padding: 1.5rem;
    }
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Alerts customizados */
.alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.5rem;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

/* Footer */
footer {
    background: var(--dark-color) !important;
}

footer .social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    transition: all 0.3s ease;
}

footer .social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}