/**
 * Estilos CSS - Laboratório de Automação Inteligente e Robótica - UFES
 * Design moderno com CSS3 puro e variáveis nativas
 * Fonte: Inter (Google Fonts)
 */

/* ============================================
   Variáveis CSS
   ============================================ */
:root {
    /* Cores principais */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-primary-50: #eff6ff;
    --color-primary-100: #dbeafe;
    --color-primary-200: #bfdbfe;
    --color-secondary: #7c3aed;
    --color-secondary-dark: #6d28d9;
    --color-secondary-light: #8b5cf6;
    --color-accent: #f59e0b;
    --color-accent-dark: #d97706;
    
    /* Cores neutras */
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-lighter: #94a3b8;
    --color-background: #ffffff;
    --color-background-alt: #f8fafc;
    --color-background-subtle: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    
    /* Cores de status */
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-danger: #ef4444;
    --color-danger-light: #fee2e2;
    --color-info: #06b6d4;
    --color-info-light: #cffafe;
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --line-height: 1.7;
    --letter-spacing: -0.011em;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Container */
    --container-max-width: 1200px;
    
    /* Bordas */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);
    --shadow-card-hover: 0 20px 40px -12px rgba(0, 0, 0, 0.12);
    
    /* Transições */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-background);
    letter-spacing: var(--letter-spacing);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.025em;
    line-height: 1.3;
}

::selection {
    background-color: var(--color-primary-200);
    color: var(--color-primary-dark);
}

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

/* ============================================
   Header
   ============================================ */
.site-header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
    padding: 0.6rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
}

.logo a:hover {
    color: var(--color-text);
}

.logo-icon {
    flex-shrink: 0;
}

.logo-img {
    border-radius: var(--radius-sm);
    object-fit: contain;
}

.logo h1 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0;
    line-height: 1.2;
}

.logo .subtitle {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    font-weight: 400;
    letter-spacing: 0;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 0.25rem;
}

.main-nav a {
    color: var(--color-text-light);
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-md);
    position: relative;
    transition: all var(--transition-fast);
}

.main-nav a:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-50);
}

.main-nav a.active {
    color: var(--color-primary);
    background-color: var(--color-primary-50);
    font-weight: 600;
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

/* Menu mobile */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background-color: var(--color-background-alt);
}

.mobile-menu-toggle span {
    width: 22px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-base);
    border-radius: var(--radius-full);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 30%, #7c3aed 100%);
    color: white;
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.06) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255,255,255,0.04) 0%, transparent 40%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.03em;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    font-weight: 300;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-description {
    font-size: var(--font-size-base);
    max-width: 640px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.85;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    margin-top: var(--spacing-sm);
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ============================================
   Page Header
   ============================================ */
.page-header {
    background: linear-gradient(135deg, var(--color-background-alt) 0%, var(--color-primary-50) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border-light);
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    letter-spacing: -0.03em;
}

.page-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    font-weight: 400;
}

/* ============================================
   Breadcrumb
   ============================================ */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-lighter);
}

.breadcrumb a {
    color: var(--color-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--color-primary-dark);
}

.breadcrumb span {
    color: var(--color-text-lighter);
}

/* ============================================
   Cards Grid
   ============================================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
    position: relative;
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-6px);
    border-color: var(--color-border-light);
}

.card-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background-color: var(--color-background-alt);
    position: relative;
}

.card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(0,0,0,0.08), transparent);
    pointer-events: none;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-image-placeholder svg {
    width: 100%;
    height: 100%;
}

.card-content {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
}

.card-meta {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.card-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.7rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-full);
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.card-status {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.7rem;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-full);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.card-status.status-em_andamento {
    background-color: var(--color-success-light);
    color: #065f46;
}

.card-status.status-concluido {
    background-color: var(--color-info-light);
    color: #155e75;
}

.card-status.status-pausado {
    background-color: var(--color-warning-light);
    color: #92400e;
}

.card-date {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-lighter);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    line-height: 1.4;
}

.card-text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.card-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: all var(--transition-fast);
}

.card-link:hover {
    color: var(--color-primary-dark);
    gap: 0.5rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    font-family: var(--font-family);
    letter-spacing: 0;
    line-height: 1.5;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: white;
    color: var(--color-primary);
    border-color: white;
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* Hero buttons override — botões dentro do hero */
.hero-buttons .btn-primary {
    background: white;
    color: var(--color-primary);
    border-color: white;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    font-weight: 700;
}

.hero-buttons .btn-primary:hover {
    background: var(--color-primary-50);
    color: var(--color-primary-dark);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.hero-buttons .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    font-weight: 600;
}

.hero-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-color: white;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.45rem 1rem;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
}

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

/* ============================================
   Filters
   ============================================ */
.filters {
    display: flex;
    gap: 0.5rem;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    padding: 0.375rem;
    background: var(--color-background-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.filter-btn {
    padding: 0.5rem 1.125rem;
    background-color: transparent;
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    background-color: var(--color-background);
    color: var(--color-text);
    box-shadow: var(--shadow-xs);
}

.filter-btn.active {
    background-color: var(--color-background);
    color: var(--color-primary);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

/* ============================================
   Membros
   ============================================ */
.membros-grupo {
    margin-bottom: var(--spacing-3xl);
}

.grupo-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.grupo-title::before {
    content: '';
    width: 4px;
    height: 28px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.membros-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.membro-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.membro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: transform var(--transition-slow);
    transform-origin: left;
}

.membro-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--color-primary-200);
}

.membro-card:hover::before {
    transform: scaleX(1);
}

.membro-avatar {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    object-fit: cover;
    border: 3px solid var(--color-border);
    transition: border-color var(--transition-base);
}

.membro-card:hover .membro-avatar {
    border-color: var(--color-primary-200);
}

.membro-avatar-placeholder {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.membro-nome {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.membro-descricao {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.membro-links {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.membro-link {
    font-size: var(--font-size-xs);
    padding: 0.35rem 0.75rem;
    background-color: var(--color-background-alt);
    border-radius: var(--radius-full);
    font-weight: 500;
    color: var(--color-text-light);
    transition: all var(--transition-fast);
    border: 1px solid var(--color-border-light);
}

.membro-link:hover {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border-color: transparent;
    transform: translateY(-1px);
}

/* ============================================
   Publicações
   ============================================ */
.publicacoes-grupo {
    margin-bottom: var(--spacing-3xl);
}

.publicacoes-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.publicacao-item {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
    border-left: 3px solid transparent;
}

.publicacao-item:hover {
    box-shadow: var(--shadow-md);
    border-left-color: var(--color-primary);
    transform: translateX(4px);
}

.publicacao-header {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.publicacao-tipo {
    padding: 0.2rem 0.65rem;
    background: linear-gradient(135deg, var(--color-info), #0284c7);
    color: white;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-full);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.publicacao-ano {
    padding: 0.2rem 0.65rem;
    background-color: var(--color-background-alt);
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-full);
    font-weight: 600;
    border: 1px solid var(--color-border);
}

.publicacao-titulo {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: var(--color-text);
    line-height: 1.5;
}

.publicacao-autores {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.publicacao-membros {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    margin: 0.45rem 0;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.publicacao-membros > span:first-child {
    font-weight: 600;
    color: var(--color-text);
}

.publicacao-membros a {
    color: var(--color-primary);
    font-weight: 600;
}

.publicacao-veiculo {
    font-size: var(--font-size-sm);
    color: var(--color-text-lighter);
    margin-bottom: var(--spacing-xs);
}

.publicacao-resumo {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.publicacao-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.publicacao-link {
    font-size: var(--font-size-xs);
    padding: 0.3rem 0.75rem;
    background-color: var(--color-background-alt);
    border-radius: var(--radius-full);
    font-weight: 500;
    color: var(--color-text-light);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.publicacao-link:hover {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border-color: transparent;
}

/* ============================================
   Sobre (Home)
   ============================================ */
.sobre {
    background: linear-gradient(135deg, var(--color-background-alt) 0%, var(--color-primary-50) 100%);
}

.sobre-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.sobre-text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    line-height: 1.8;
}

.sobre-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-200);
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: 500;
}

.placeholder-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Projeto Detalhes
   ============================================ */
.projeto-detalhes {
    padding-bottom: var(--spacing-3xl);
}

.projeto-header {
    margin-bottom: var(--spacing-xl);
}

.projeto-meta {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.projeto-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    letter-spacing: -0.03em;
}

.projeto-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: 1.7;
}

.projeto-content {
    max-width: 900px;
}

.projeto-image-main {
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.projeto-image-main img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
}

.projeto-description {
    margin-bottom: var(--spacing-xl);
}

.projeto-description h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.projeto-description p {
    color: var(--color-text-light);
    line-height: 1.9;
    font-size: var(--font-size-base);
}

.projeto-info {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.info-item {
    padding: var(--spacing-md);
    background: var(--color-background-alt);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.info-item strong {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.info-item span {
    font-weight: 600;
    color: var(--color-text);
}

/* Galeria do projeto */
.projeto-galeria {
    margin-bottom: var(--spacing-xl);
}

.projeto-galeria h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-sm);
}

.galeria-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
    background: var(--color-background-alt);
}

.galeria-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.galeria-item:hover img {
    transform: scale(1.08);
}

.galeria-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.galeria-item:hover .galeria-overlay {
    opacity: 1;
}

.galeria-legenda {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: white;
    font-size: var(--font-size-xs);
    padding: var(--spacing-sm) var(--spacing-xs);
    text-align: center;
}

/* Equipe do projeto */
.projeto-equipe {
    margin-bottom: var(--spacing-xl);
}

.projeto-equipe h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.membros-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.membro-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.membro-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--color-primary-200);
}

.membro-item-link {
    color: inherit;
    text-decoration: none;
}

.membro-item-link:focus-visible {
    outline: 3px solid var(--color-primary-200);
    outline-offset: 2px;
}

.membro-foto {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid var(--color-border);
}

.membro-foto-placeholder {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    flex-shrink: 0;
}

.membro-info h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.1rem;
}

.membro-tipo {
    font-size: var(--font-size-xs);
    color: var(--color-text-lighter);
}

.projeto-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* ============================================
   Perfil público de membro
   ============================================ */
.membro-perfil-cabecalho {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: var(--spacing-xl);
    align-items: start;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.membro-perfil-foto {
    width: 190px;
    height: 190px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.membro-perfil-foto-placeholder {
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.membro-perfil-tipo {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.membro-perfil-cabecalho h1 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-3xl);
}

.membro-perfil-bio {
    max-width: 780px;
    color: var(--color-text-light);
    line-height: 1.75;
}

.membro-perfil-contatos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.membro-perfil-contatos a {
    padding: 0.55rem 0.9rem;
    color: var(--color-primary);
    background: var(--color-primary-50);
    border: 1px solid var(--color-primary-200);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.membro-perfil-secoes {
    display: grid;
    gap: var(--spacing-2xl);
}

.membro-perfil-secoes h2 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-2xl);
}

.membro-projetos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.membro-projeto-card {
    padding: var(--spacing-lg);
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.membro-projeto-card h3 {
    margin: var(--spacing-sm) 0;
}

.membro-projeto-card p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.membro-projeto-card a {
    color: var(--color-primary);
    font-weight: 700;
}

.membro-perfil-vazio {
    padding: var(--spacing-lg);
    color: var(--color-text-light);
    background: var(--color-background-alt);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
}

/* ============================================
   Extensão Cards
   ============================================ */
.extensao-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.extensao-grid--passadas {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.extensao-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.extensao-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-6px);
}

.extensao-card--destaque {
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.extensao-card--passada {
    opacity: 0.85;
}

.extensao-card--passada:hover {
    opacity: 1;
}

.extensao-card__image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--color-background-alt);
}

.extensao-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.extensao-card:hover .extensao-card__image img {
    transform: scale(1.05);
}

.extensao-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
}

.extensao-card__badges {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.badge-tipo {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-tipo--cinza {
    background: linear-gradient(135deg, #6b7280, #4b5563);
}

.badge-aberto {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-realizado {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.extensao-card__body {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.extensao-card__body h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    line-height: 1.4;
}

.extensao-card__body p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
    flex: 1;
    line-height: 1.7;
}

.extensao-card__meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    font-weight: 500;
}

.extensao-card__actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ============================================
   Extensão Detalhes
   ============================================ */
.extensao-detalhes {
    padding-bottom: var(--spacing-3xl);
}

.atividade-header {
    margin-bottom: var(--spacing-xl);
}

.atividade-badges {
    display: flex;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.badge-inscricao {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.85rem;
    background-color: var(--color-success-light);
    color: #065f46;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.badge-encerrado {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.85rem;
    background-color: var(--color-danger-light);
    color: #991b1b;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.atividade-titulo {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    letter-spacing: -0.03em;
}

.atividade-info-grid {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.info-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--color-background-alt);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.info-icon {
    font-size: 1.5rem;
}

.info-box strong {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-box > div > span {
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.atividade-cta {
    margin-bottom: var(--spacing-lg);
}

.atividade-imagem-principal {
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-height: 500px;
    box-shadow: var(--shadow-lg);
}

.atividade-imagem-principal img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.atividade-descricao {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-background-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.atividade-descricao h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    font-weight: 700;
}

.atividade-descricao h2::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    margin-top: 0.5rem;
}

.atividade-descricao p {
    color: var(--color-text-light);
    line-height: 1.9;
}

.atividade-galeria {
    margin-bottom: var(--spacing-xl);
}

.atividade-galeria h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

/* Vídeos */
.videos-section {
    margin-top: var(--spacing-lg);
}

.videos-section h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.video-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
}

.video-embed {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-link {
    padding: var(--spacing-md);
    background: var(--color-background-alt);
    text-align: center;
}

.video-link a {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-primary);
}

.video-legenda {
    padding: 0.5rem;
    font-size: var(--font-size-sm);
    color: #ccc;
    text-align: center;
    background: #111;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    text-align: center;
}

.lightbox-content img {
    max-width: 90vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.lightbox-caption {
    color: white;
    margin-top: 0.75rem;
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: fixed;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.15);
    color: white;
    font-size: 1.75rem;
    cursor: pointer;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255,255,255,0.25);
}

.lightbox-close {
    top: 1rem;
    right: 1rem;
}

.lightbox-prev {
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
}

.lightbox-next {
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
}

.atividade-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    padding-right: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
}

.footer-logo span {
    font-size: var(--font-size-xl);
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section h3 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.95);
}

.footer-section p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.35rem;
    line-height: 1.7;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: white;
}

.footer-contact svg {
    flex-shrink: 0;
    opacity: 0.6;
}

.footer-address {
    display: flex;
    gap: 0.5rem;
    font-style: normal;
}

.footer-address svg {
    flex-shrink: 0;
    margin-top: 0.15rem;
    opacity: 0.6;
}

.footer-address p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.2rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: white;
    transform: translateX(3px);
}

.footer-links svg {
    opacity: 0.5;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   Sobre Page
   ============================================ */
.hero-sobre {
    padding: var(--spacing-2xl) 0;
}

.sobre-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.sobre-intro-text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    line-height: 1.9;
}

.sobre-intro-text p strong {
    color: var(--color-text);
}

.sobre-placeholder {
    border-radius: var(--radius-lg);
    background: var(--color-background-alt);
}

.sobre-logo-showcase {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-background-alt) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

.sobre-logo-img {
    max-width: 400px;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

.footer-logo-img {
    border-radius: var(--radius-sm);
    object-fit: contain;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.area-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.area-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: transform var(--transition-slow);
    transform-origin: left;
}

.area-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: var(--color-primary-200);
}

.area-card:hover::before {
    transform: scaleX(1);
}

.area-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.area-card h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.area-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.7;
}

.sobre-numeros {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.sobre-infra {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.sobre-infra-text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
    line-height: 1.8;
}

.infra-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.infra-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: var(--spacing-sm);
    background: var(--color-background);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-fast);
}

.infra-list li:hover {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-sm);
}

.infra-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.infra-list li strong {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.15rem;
}

.infra-list li span {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.5;
}

.sobre-localizacao .localizacao-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-sm);
}

.sobre-cta {
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-background-alt) 100%);
    border-top: 1px solid var(--color-border-light);
}

@media (max-width: 768px) {
    .sobre-intro {
        grid-template-columns: 1fr;
    }

    .areas-grid {
        grid-template-columns: 1fr;
    }

    .sobre-numeros {
        grid-template-columns: repeat(2, 1fr);
    }

    .sobre-infra {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .sobre-numeros {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Error Page
   ============================================ */
.error-page {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.error-code {
    font-size: 8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.error-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.error-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.error-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    color: var(--color-text-lighter);
    background: var(--color-background-alt);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--color-border);
}

.empty-state h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-light);
}

.empty-state p {
    font-size: var(--font-size-base);
}

/* ============================================
   Tooltip
   ============================================ */
.tooltip {
    position: fixed;
    background-color: var(--color-text);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    z-index: 10000;
    pointer-events: none;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.15s ease;
}

/* ============================================
   Scroll reveal animation helper
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */

/* Tablet Landscape */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sobre-content {
        gap: var(--spacing-xl);
    }
}

/* Tablet Portrait */
@media (max-width: 768px) {
    :root {
        --spacing-3xl: 4rem;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--color-border-light);
        box-shadow: var(--shadow-lg);
        border-bottom-left-radius: var(--radius-lg);
        border-bottom-right-radius: var(--radius-lg);
    }
    
    .main-nav.active {
        display: block;
        animation: fadeIn 0.2s ease;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-xs);
    }
    
    .main-nav a {
        display: block;
        padding: 0.875rem var(--spacing-md);
        border-radius: var(--radius-md);
        font-size: var(--font-size-base);
    }

    .main-nav a.active::after {
        display: none;
    }
    
    .main-nav a:hover,
    .main-nav a.active {
        background-color: var(--color-primary-50);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .sobre-content {
        grid-template-columns: 1fr;
    }
    
    .sobre-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .membros-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    .membro-perfil-cabecalho {
        grid-template-columns: 140px minmax(0, 1fr);
        gap: var(--spacing-lg);
    }

    .membro-perfil-foto {
        width: 140px;
        height: 140px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-brand {
        padding-right: 0;
    }

    .page-title {
        font-size: var(--font-size-3xl);
    }

    .projeto-title,
    .atividade-titulo {
        font-size: var(--font-size-2xl);
    }

    .extensao-grid {
        grid-template-columns: 1fr;
    }

    .extensao-grid--passadas {
        grid-template-columns: repeat(2, 1fr);
    }

    .galeria-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .videos-grid {
        grid-template-columns: 1fr;
    }

    .atividade-info-grid {
        flex-direction: column;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .page-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }

    .sobre-stats {
        grid-template-columns: 1fr;
    }

    .membros-grid {
        grid-template-columns: 1fr;
    }

    .membro-perfil-cabecalho {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .membro-perfil-foto {
        margin: 0 auto;
    }

    .membro-perfil-contatos {
        justify-content: center;
    }

    .extensao-grid--passadas {
        grid-template-columns: 1fr;
    }

    .galeria-grid {
        grid-template-columns: 1fr;
    }

    .error-code {
        font-size: 5rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .site-header,
    .site-footer,
    .mobile-menu-toggle,
    .hero-buttons,
    .filters,
    .btn {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
    }

    .hero {
        background: none !important;
        color: #000;
        padding: 1rem 0;
    }

    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ============================================
   Linha do tempo de extensão
   ============================================ */
.extensao-hero {
    position: relative;
    overflow: hidden;
}

.extensao-hero::after {
    content: '';
    position: absolute;
    width: 22rem;
    height: 22rem;
    right: -7rem;
    bottom: -14rem;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    box-shadow: 0 0 0 3.5rem rgba(255, 255, 255, 0.04), 0 0 0 7rem rgba(255, 255, 255, 0.03);
}

.extensao-timeline-section {
    background: linear-gradient(180deg, var(--color-background-alt) 0, var(--color-background) 28rem);
}

.extensao-timeline-container {
    max-width: 1040px;
}

.timeline-intro {
    max-width: 680px;
    margin-bottom: var(--spacing-2xl);
}

.timeline-intro__eyebrow {
    display: inline-block;
    margin-bottom: 0.45rem;
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.timeline-intro h2 {
    margin-bottom: 0.6rem;
    font-size: var(--font-size-3xl);
    color: var(--color-text);
}

.timeline-intro p {
    color: var(--color-text-light);
    font-size: var(--font-size-base);
}

.extensao-timeline {
    position: relative;
}

.timeline-year {
    position: relative;
    padding-left: 7.5rem;
}

.timeline-year + .timeline-year {
    margin-top: var(--spacing-2xl);
}

.timeline-year__title {
    position: absolute;
    top: -0.2rem;
    left: 0;
    width: 5rem;
    color: var(--color-primary-dark);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    letter-spacing: -0.04em;
}

.timeline-list {
    position: relative;
    display: grid;
    gap: var(--spacing-xl);
    margin: 0;
    padding: 0 0 var(--spacing-md) 2.25rem;
    list-style: none;
}

.timeline-list::before {
    content: '';
    position: absolute;
    top: 0.75rem;
    bottom: -2rem;
    left: 0.42rem;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-primary-100));
}

.timeline-year:last-child .timeline-list::before {
    bottom: 1.5rem;
}

.timeline-item {
    position: relative;
    scroll-margin-top: 7rem;
}

.timeline-item__dot {
    position: absolute;
    top: 1.65rem;
    left: -2.22rem;
    z-index: 2;
    width: 0.9rem;
    height: 0.9rem;
    background: var(--color-primary);
    border: 4px solid var(--color-background);
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-card {
    overflow: hidden;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.timeline-card:hover,
.timeline-item:target .timeline-card {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-card-hover);
}

.timeline-card__summary {
    padding: var(--spacing-lg);
}

.timeline-card__summary--with-image {
    display: grid;
    grid-template-columns: minmax(220px, 34%) 1fr;
    gap: var(--spacing-lg);
    align-items: stretch;
}

.timeline-card__cover {
    min-height: 220px;
    overflow: hidden;
    background: var(--color-background-alt);
    border-radius: var(--radius-md);
}

.timeline-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.timeline-card:hover .timeline-card__cover img {
    transform: scale(1.025);
}

.timeline-card__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.timeline-card__date {
    margin-bottom: 0.45rem;
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: 750;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.timeline-card__content h3,
.timeline-card__content h4 {
    margin-bottom: 0.65rem;
    color: var(--color-text);
    font-size: var(--font-size-xl);
    line-height: 1.25;
}

.timeline-card__place {
    display: flex;
    align-items: flex-start;
    gap: 0.45rem;
    margin-bottom: 0.8rem;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.timeline-card__place > span:first-child {
    color: var(--color-secondary);
    font-size: 1.15rem;
    line-height: 1.2;
}

.timeline-card__excerpt {
    margin: 0;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.timeline-card__media-count {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.timeline-card__media-count span {
    padding: 0.28rem 0.65rem;
    background: var(--color-primary-50);
    color: var(--color-primary-dark);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.timeline-details {
    border-top: 1px solid var(--color-border);
}

.timeline-details summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.95rem var(--spacing-lg);
    color: var(--color-primary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 700;
    list-style: none;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.timeline-details summary::-webkit-details-marker {
    display: none;
}

.timeline-details summary:hover,
.timeline-details summary:focus-visible {
    background: var(--color-primary-50);
    color: var(--color-primary-dark);
}

.timeline-details summary:focus-visible,
.timeline-gallery__item:focus-visible,
.lightbox button:focus-visible {
    outline: 3px solid var(--color-primary-200);
    outline-offset: 2px;
}

.timeline-details__open {
    display: none;
}

.timeline-details[open] .timeline-details__closed {
    display: none;
}

.timeline-details[open] .timeline-details__open {
    display: inline;
}

.timeline-details__arrow {
    transition: transform var(--transition-fast);
}

.timeline-details[open] .timeline-details__arrow {
    transform: rotate(180deg);
}

.timeline-details__content {
    padding: var(--spacing-lg);
    background: var(--color-background-alt);
    border-top: 1px solid var(--color-border);
}

.timeline-description,
.timeline-media-section {
    max-width: 820px;
    margin: 0 auto;
}

.timeline-media-section {
    margin-top: var(--spacing-lg);
}

.timeline-description h4,
.timeline-description h5,
.timeline-media-section h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    font-size: var(--font-size-base);
}

.timeline-description p {
    margin: 0;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* Timeline reutilizável para publicações */
.projeto-publicacoes {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.projeto-publicacoes > h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    font-size: var(--font-size-2xl);
}

.publicacoes-timeline .timeline-card__summary {
    padding-block: 1.35rem;
}

.publicacao-timeline__authors,
.publicacao-timeline__venue {
    margin: 0;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.65;
}

.publicacao-timeline__venue {
    margin-top: 0.35rem;
    color: var(--color-text-lighter);
}

.publicacao-timeline__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    max-width: 820px;
    margin: var(--spacing-md) auto 0;
}

.publicacao-timeline__links:first-child {
    margin-top: 0;
}

.publicacao-timeline__links a {
    display: inline-flex;
    align-items: center;
    min-height: 2.65rem;
    padding: 0.55rem 0.9rem;
    color: var(--color-primary);
    background: var(--color-background);
    border: 1px solid var(--color-primary-200);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.publicacao-timeline__links a:hover,
.publicacao-timeline__links a:focus-visible {
    color: var(--color-primary-dark);
    background: var(--color-primary-50);
}

.publicacao-timeline__links a:focus-visible {
    outline: 3px solid var(--color-primary-200);
    outline-offset: 2px;
}

.timeline-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
}

.timeline-gallery__item {
    position: relative;
    min-height: 170px;
    overflow: hidden;
    padding: 0;
    background: #e2e8f0;
    border: 0;
    border-radius: var(--radius-md);
    cursor: zoom-in;
}

.timeline-gallery__item img {
    width: 100%;
    height: 100%;
    min-height: 170px;
    object-fit: cover;
    transition: transform var(--transition-slow), filter var(--transition-fast);
}

.timeline-gallery__item:hover img {
    transform: scale(1.04);
    filter: brightness(0.82);
}

.timeline-gallery__item span {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 1.5rem 0.7rem 0.65rem;
    background: linear-gradient(transparent, rgba(15, 23, 42, 0.82));
    color: white;
    font-size: var(--font-size-xs);
    text-align: left;
}

.timeline-videos {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.timeline-video {
    overflow: hidden;
    background: #111827;
    border-radius: var(--radius-md);
}

.timeline-video__embed {
    position: relative;
    height: 0;
    padding-bottom: 56.25%;
}

.timeline-video__embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.timeline-video p {
    margin: 0;
    padding: 0.75rem;
    color: #e5e7eb;
    font-size: var(--font-size-sm);
}

.timeline-video-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 5rem;
    padding: var(--spacing-md);
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-weight: 700;
}

.timeline-video-link > span:first-child {
    display: grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    flex: 0 0 auto;
    background: var(--color-primary-50);
    border-radius: 50%;
}

.extensao-empty-state {
    max-width: 660px;
    margin: 0 auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.empty-state__icon {
    display: inline-grid;
    place-items: center;
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: var(--spacing-sm);
    background: var(--color-primary-50);
    color: var(--color-primary);
    border-radius: 50%;
    font-size: var(--font-size-xl);
}

@media (max-width: 768px) {
    .timeline-year {
        padding-left: 0;
    }

    .timeline-year__title {
        position: static;
        width: auto;
        margin-bottom: var(--spacing-md);
    }

    .timeline-list {
        padding-left: 1.8rem;
    }

    .timeline-item__dot {
        left: -1.77rem;
    }

    .timeline-card__summary--with-image {
        grid-template-columns: 1fr;
    }

    .timeline-card__cover {
        min-height: 230px;
        max-height: 330px;
    }

    .timeline-gallery,
    .timeline-videos {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 480px) {
    .timeline-intro h2 {
        font-size: var(--font-size-2xl);
    }

    .timeline-list {
        padding-left: 1.45rem;
    }

    .timeline-list::before {
        left: 0.3rem;
    }

    .timeline-item__dot {
        left: -1.47rem;
    }

    .timeline-card__summary,
    .timeline-details__content {
        padding: var(--spacing-md);
    }

    .timeline-card__cover {
        min-height: 190px;
    }

    .timeline-gallery,
    .timeline-videos {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .timeline-card,
    .timeline-card__cover img,
    .timeline-gallery__item img,
    .timeline-details__arrow {
        transition: none;
    }
}