/* ============================================================================
   ESTILOS PRINCIPAIS - SITE INSTITUCIONAL
   ============================================================================ */

:root {
    /* Cores Primárias */
    --color-primary: #0066cc;
    --color-primary-dark: #0052a3;
    --color-primary-light: #e6f0ff;
    
    /* Cores Secundárias */
    --color-secondary: #f39200;
    --color-secondary-dark: #d67700;
    --color-secondary-light: #fff4e6;
    
    /* Cores Neutras */
    --color-dark: #1a1a1a;
    --color-gray-dark: #333;
    --color-gray: #666;
    --color-gray-light: #999;
    --color-gray-lighter: #ddd;
    --color-gray-lightest: #f5f5f5;
    --color-white: #fff;
    
    /* Status */
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-error: #dc3545;
    --color-info: #17a2b8;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Tipografia */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
}

/* ============================================================================
   CONTAINER E LAYOUT
   ============================================================================ */

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ============================================================================
   HEADER / NAVEGAÇÃO
   ============================================================================ */

.header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-lighter);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav {
    flex: 1;
    margin: 0 var(--spacing-lg);
}

.nav-list {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-link {
    color: var(--color-gray);
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-gray);
    transition: all var(--transition-base);
}

.header-cta .btn {
    white-space: nowrap;
}

/* Mobile Menu */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-gray-lighter);
        padding: var(--spacing-md);
    }

    .nav.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .header-cta {
        display: none;
    }
}

/* ============================================================================
   BOTÕES
   ============================================================================ */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    text-decoration: none;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Variações de Botão */
.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

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

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

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

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 2.5rem;
}

.hero p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

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

/* ============================================================================
   SEÇÕES
   ============================================================================ */

section {
    padding: var(--spacing-2xl) 0;
}

section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-primary);
}

/* ============================================================================
   CARDS
   ============================================================================ */

.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-lighter);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

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

/* ============================================================================
   GRID
   ============================================================================ */

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ============================================================================
   FORMULÁRIOS
   ============================================================================ */

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-gray-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-gray-lighter);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--color-error);
}

.form-group .error-message {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.form-group .success-message {
    color: var(--color-success);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
    font-weight: 400;
}

/* ============================================================================
   COOKIE CONSENT
   ============================================================================ */

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-lg);
    z-index: 999;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.cookie-consent-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.cookie-consent-content p {
    margin: 0;
    font-size: var(--font-size-sm);
}

.cookie-consent-content a {
    color: var(--color-primary);
}

.cookie-consent-options {
    display: flex;
    gap: var(--spacing-sm);
    white-space: nowrap;
}

@media (max-width: 768px) {
    .cookie-consent-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .cookie-consent-options {
        width: 100%;
        flex-wrap: wrap;
    }
}

/* ============================================================================
   MODAL
   ============================================================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-lighter);
}

.modal-header h2 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-gray);
}

.modal-close:hover {
    color: var(--color-dark);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-lighter);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.cookie-option {
    padding: var(--spacing-md);
    border: 1px solid var(--color-gray-lighter);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.cookie-option label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    margin: 0;
}

.cookie-option input[type="checkbox"] {
    width: auto;
    margin-top: 2px;
}

.checkbox-label {
    flex: 1;
}

.checkbox-label strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.checkbox-label small {
    color: var(--color-gray);
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.footer-column h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-column p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-gray-light);
    transition: color var(--transition-base);
}

.footer-column a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-bottom-content {
    flex: 1;
}

.footer-bottom-content p {
    margin: 0;
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
}

.footer-bottom-links a:hover {
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ============================================================================
   UTILITÁRIOS
   ============================================================================ */

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================================================
   RESPONSIVIDADE
   ============================================================================ */

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .hero h1 {
        font-size: 1.75rem;
    }

    section {
        padding: var(--spacing-xl) 0;
    }
}