/**
 * =====================================================================
 * ESTILOS GLOBAIS
 * =====================================================================
 * 
 * Responsabilidade: Estilos base para todo o sistema
 * Inclui: Cores, tipografia, layouts, componentes comuns
 */

/* ===== VARIÁVEIS CSS ===== */
:root {
    --color-primary: #667eea;
    --color-secondary: #764ba2;
    --color-success: #28a745;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #17a2b8;
    --color-light: #f8f9fa;
    --color-dark: #343a40;
    --color-gray: #6c757d;
    
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 14px;
    --font-size-sm: 12px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-xxl: 28px;
    
    --border-radius: 8px;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

/* ===== RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-dark);
    background: #fff;
    line-height: 1.6;
}

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

h1 { font-size: var(--font-size-xxl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }

p { margin-bottom: var(--spacing-md); }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-secondary);
}

/* ===== NAVBAR ===== */
.navbar {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand h1 {
    font-size: var(--font-size-lg);
    margin: 0;
    color: white;
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.nav-link:hover {
    background: rgba(255,255,255,0.2);
    color: white;
}

.btn-login {
    background: white;
    color: var(--color-primary);
    font-weight: bold;
}

.btn-login:hover {
    background: var(--color-light);
}

/* ===== CONTAINERS ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-index {
    display: flex;
    flex-direction: column;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all 0.2s ease;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
}

.btn-primary:hover {
    color: white;
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.btn-icon {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-xl);
    transition: transform 0.2s;
}

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

.btn-danger {
    background: var(--color-danger);
    color: white;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: 80px var(--spacing-lg);
    text-align: center;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content h1 {
    font-size: 48px;
    color: white;
    margin-bottom: var(--spacing-md);
}

.hero-content p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    color: rgba(255,255,255,0.9);
}

/* ===== SEÇÕES ===== */
.servicos,
.contato {
    padding: 60px var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.servicos h2,
.contato h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.servico-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.servico-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.servico-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.servico-card h3,
.servico-card p {
    padding: 0 var(--spacing-md);
}

.servico-card h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.servico-card .preco {
    color: var(--color-secondary);
    font-weight: bold;
    margin: var(--spacing-md) 0;
}

.servico-card .btn {
    margin: var(--spacing-md);
    width: calc(100% - calc(2 * var(--spacing-md)));
}

/* ===== CONTATO ===== */
.contato-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.info-item {
    background: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
}

.info-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-dark);
    color: white;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-top: auto;
}

/* ===== FORMS ===== */
input, textarea, select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 5px rgba(102, 126, 234, 0.3);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-dark);
}

/* ===== TABLES ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.table thead th {
    background: var(--color-light);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: bold;
    border-bottom: 2px solid #ddd;
}

.table tbody td {
    padding: var(--spacing-md);
    border-bottom: 1px solid #ddd;
}

.table tbody tr:hover {
    background: var(--color-light);
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: bold;
}

.badge-agendado {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-confirmado {
    background: #cce5ff;
    color: #004085;
}

.badge-em_execucao {
    background: #fff3cd;
    color: #856404;
}

.badge-finalizado {
    background: #d4edda;
    color: #155724;
}

.badge-cancelado {
    background: #f8d7da;
    color: #721c24;
}

/* ===== ALERTS ===== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* ===== RESPONSIVO ===== */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .navbar-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }
    
    .servicos-grid {
        grid-template-columns: 1fr;
    }
    
    .contato-info {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: var(--font-size-sm);
    }
    
    .table th, .table td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 13px;
        --spacing-lg: 16px;
        --spacing-xl: 20px;
    }
    
    .hero-content h1 {
        font-size: 24px;
    }
    
    .navbar {
        padding: var(--spacing-sm);
    }
    
    .navbar-menu {
        gap: var(--spacing-sm);
    }
    
    .servico-card img {
        height: 150px;
    }
}

/* ===== UTILITÁRIOS ===== */
.empty-message {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-gray);
    background: var(--color-light);
    border-radius: var(--border-radius);
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--color-gray);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.p-md {
    padding: var(--spacing-md);
}