/* Variáveis de Cores */
:root {
    --cor-primaria: #000000;
    --cor-secundaria: #dc3545;
    --cor-escura: #1a1a1a;
    --cor-clara: #f8f9fa;
}

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

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

/* Navbar Personalizada */
.navbar {
    background: linear-gradient(90deg, #000000 0%, #1a1a1a 100%) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.navbar-nav .nav-link {
    color: #fff !important;
    font-weight: 500;
    margin: 0 10px;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero-section {
    background: url('https://images.unsplash.com/photo-1492144534655-ae79c964c9d7?q=80&w=1920') center/cover;
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    margin-top: -76px;
    padding-top: 76px;
}

.hero-section .overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.8) 0%, rgba(220,53,69,0.3) 100%);
}

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

/* Cards de Estatísticas */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(220,53,69,0.3);
}

/* Cards de Serviços */
.service-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s;
    border-top: 4px solid var(--cor-secundaria);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(220,53,69,0.2);
}

.service-card i {
    transition: transform 0.3s;
}

.service-card:hover i {
    transform: scale(1.2);
}

/* Formulário de Contato */
.contact-form .form-control {
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 12px 15px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.contact-form .form-control:focus {
    border-color: var(--cor-secundaria);
    box-shadow: 0 0 0 0.2rem rgba(220,53,69,0.25);
}

/* Botões Personalizados */
.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(220,53,69,0.4);
}

.btn-outline-light {
    border: 2px solid white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-outline-light:hover {
    background: white;
    color: var(--cor-primaria) !important;
}

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

.fade-in {
    animation: fadeInUp 0.8s ease;
}

/* Responsividade */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .btn-lg {
        padding: 10px 20px;
        font-size: 1rem;
    }
}

/* Seção Sobre - Ajustes */
#sobre {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

/* Footer */
footer {
    background: linear-gradient(90deg, #000000 0%, #1a1a1a 100%) !important;
    border-top: 3px solid var(--cor-secundaria);
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--cor-secundaria);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}