/* Variáveis CSS */
:root {
    --cor-primaria: #DC2626;
    --cor-secundaria: #1F2937;
    --cor-destaque: #F59E0B;
    --cor-fundo: #F9FAFB;
    --cor-texto: #111827;
    --cor-texto-claro: #6B7280;
    --cor-sucesso: #10B981;
    --cor-erro: #EF4444;
    --cor-branco: #FFFFFF;
    --cor-overlay: rgba(0, 0, 0, 0.5);
    
    --fonte-principal: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --fonte-titulo: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    
    --sombra-pequena: 0 1px 3px rgba(0, 0, 0, 0.1);
    --sombra-media: 0 4px 12px rgba(0, 0, 0, 0.15);
    --sombra-grande: 0 10px 25px rgba(0, 0, 0, 0.2);
    
    --raio-pequeno: 8px;
    --raio-medio: 12px;
    --raio-grande: 20px;
    
    --transicao-rapida: 0.2s ease;
    --transicao-media: 0.3s ease;
    --transicao-lenta: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--fonte-principal);
    line-height: 1.6;
    color: var(--cor-texto);
    background-color: var(--cor-fundo);
    overflow-x: hidden;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--fonte-titulo);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: 1rem;
    color: var(--cor-texto-claro);
}

a {
    color: var(--cor-primaria);
    text-decoration: none;
    transition: var(--transicao-rapida);
}

a:hover {
    color: var(--cor-destaque);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--cor-branco);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--cor-fundo);
    border-top: 4px solid var(--cor-primaria);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-fluid {
    width: 100%;
    padding: 0 1rem;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.75rem;
}

.col {
    flex: 1;
    padding: 0 0.75rem;
}

.col-12 { flex: 0 0 100%; max-width: 100%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }

/* Botões */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--raio-pequeno);
    cursor: pointer;
    transition: var(--transicao-media);
    text-decoration: none;
    line-height: 1.5;
}

.btn-primary {
    background: var(--cor-primaria);
    color: var(--cor-branco);
}

.btn-primary:hover {
    background: #B91C1C;
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

.btn-secondary {
    background: var(--cor-secundaria);
    color: var(--cor-branco);
}

.btn-secondary:hover {
    background: #374151;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--cor-primaria);
    border: 2px solid var(--cor-primaria);
}

.btn-outline:hover {
    background: var(--cor-primaria);
    color: var(--cor-branco);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Header */
.header {
    background: var(--cor-branco);
    box-shadow: var(--sombra-pequena);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transicao-media);
}

.header.scrolled {
    box-shadow: var(--sombra-media);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cor-primaria);
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin-left: 2rem;
}

.nav-link {
    color: var(--cor-texto);
    font-weight: 500;
    transition: var(--transicao-rapida);
}

.nav-link:hover,
.nav-link.active {
    color: var(--cor-primaria);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--cor-texto);
    margin: 3px 0;
    transition: var(--transicao-rapida);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--cor-overlay), var(--cor-overlay)), url('../../assets/images/banner.webp') center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    color: var(--cor-branco);
    text-align: center;
    position: relative;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons .btn {
    margin: 0 0.5rem;
}

/* Estatísticas Hero */
.hero-stats {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 3rem;
}

.stat-item {
    text-align: center;
    color: var(--cor-branco);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Seções */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Cards */
.card {
    background: var(--cor-branco);
    border-radius: var(--raio-medio);
    box-shadow: var(--sombra-pequena);
    overflow: hidden;
    transition: var(--transicao-media);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-media);
}

.card-header {
    padding: 1.5rem;
    background: var(--cor-fundo);
    border-bottom: 1px solid #E5E7EB;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background: var(--cor-fundo);
    border-top: 1px solid #E5E7EB;
}

/* Utilitários */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline-block { display: inline-block; }

.flex-column { flex-direction: column; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.fade-in-left {
    animation: fadeInLeft 0.8s ease forwards;
}

.fade-in-right {
    animation: fadeInRight 0.8s ease forwards;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--sombra-media);
    z-index: 1000;
    transition: var(--transicao-media);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: white;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--cor-primaria);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transicao-media);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #B91C1C;
    transform: translateY(-3px);
    color: white;
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--cor-secundaria);
    color: var(--cor-branco);
    padding: 1rem;
    z-index: 1001;
    transform: translateY(100%);
    transition: var(--transicao-media);
}

.cookie-notice.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-text {
    flex: 1;
    margin-right: 1rem;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .col-6,
    .col-4,
    .col-3 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--cor-branco);
        flex-direction: column;
        box-shadow: var(--sombra-media);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-item {
        margin: 0;
        border-bottom: 1px solid #E5E7EB;
    }
    
    .nav-link {
        display: block;
        padding: 1rem;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-text {
        margin-right: 0;
        margin-bottom: 1rem;
    }
}