/* Variáveis CSS */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #2c3e50;
    --light-bg: #f8f9fa;
    --dark-bg: #2c3e50;
    --transition: all 0.3s ease;
}

/* Estilos Gerais */
body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    overflow-x: hidden;
}

/* Header Moderno */
.navbar {
    background: rgba(44, 62, 80, 0.95) !important;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar.scrolled {
    background: var(--primary-color) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand img {
    transition: var(--transition);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link {
    position: relative;
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: url('../images/pattern.svg');
    opacity: 0.1;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Seção Sobre */
.about-section {
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern.svg');
    opacity: 0.05;
}

.about-image {
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Cards com Efeito Hover */
.card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* Botões Modernos */
.btn-modern {
    padding: 0.8rem 2rem;
    border-radius: 30px;
    border: none;
    background: var(--secondary-color);
    color: white;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition);
}

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

/* Seção de Diferenciais */
.features-section {
    background: var(--light-bg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-color);
    color: white;
    border-radius: 15px;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

/* Animações de Scroll */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Footer Moderno */
.footer {
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern.svg');
    opacity: 0.05;
}

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

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

/* Responsividade */
@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem 0;
    }
    
    .hero-section {
        min-height: 80vh;
    }
    
    .card {
        margin-bottom: 2rem;
    }
    
    .about-image {
        margin-bottom: 2rem;
    }
}