/* Variáveis baseadas no site principal */
:root {
    --primary: #3082ae;
    --secondary: #3a3a3a;
    --accent: #07719E;
    --light: #F5F5F5;
    --dark: #212529;
    --transition: all 0.3s ease;
    --transition-slow: all 0.6s ease;
    --border-color: #dddddd;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light);
    color: var(--secondary);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header (reutilizando estilos do index) */
header {
    background: linear-gradient(135deg, var(--primary), #1a4b8c);
    color: white;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

header.scrolled {
    padding: 0;
    background: rgba(48, 130, 174, 0.95);
    backdrop-filter: blur(10px);
}

.header-main {
    padding: 15px 0;
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.logo img {
    height: 80px;
    width: auto;
    transition: var(--transition);
}

.logo-text h1 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    font-family: 'Playfair Display', serif;
    transition: var(--transition);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    padding: 5px 0;
    position: relative;
    font-size: 16px;
}

nav a:hover, nav a.active {
    color: #FFD166;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #FFD166;
    transition: var(--transition);
}

nav a:hover::after, nav a.active::after {
    width: 100%;
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-menu:hover {
    color: #FFD166;
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 14px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    font-size: 16px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    background-color: #065a82;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* Breadcrumb */
.breadcrumb {
    padding: 15px 0;
    background: #f8f9fa;
    margin-bottom: 0;
}

.breadcrumb ul {
    display: flex;
    list-style: none;
    gap: 10px;
}

.breadcrumb li:not(:last-child)::after {
    content: ">";
    margin-left: 10px;
    color: var(--primary);
}

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

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

/* Page Hero */
.page-hero {
    background: linear-gradient(rgba(48, 130, 174, 0.85), rgba(26, 75, 140, 0.9)), url('/img/Infraestrutura académica.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero .hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    font-family: 'Playfair Display', serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-hero .hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Blog Container */
.blog-container {
    padding: 4rem 0;
}

.blog-content {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 40px;
}

/* Blog Sidebar */
.blog-sidebar {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.sidebar-widget {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    transition: var(--transition);
}

.sidebar-widget:hover {
    box-shadow: var(--shadow-hover);
}

.sidebar-widget h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary);
    font-family: 'Playfair Display', serif;
    position: relative;
    padding-bottom: 10px;
}

.sidebar-widget h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent);
}

/* Search Widget */
.search-widget {
    position: relative;
}

.search-widget input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 1rem;
    transition: var(--transition);
}

.search-widget input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(48, 130, 174, 0.2);
}

.search-widget button {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 1rem;
}

/* Categories */
.categories {
    list-style: none;
}

.categories li {
    margin-bottom: 10px;
}

.categories a {
    display: block;
    color: var(--secondary);
    text-decoration: none;
    padding: 8px 0;
    transition: var(--transition);
    position: relative;
    padding-left: 20px;
}

.categories a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--primary);
    border-radius: 50%;
    transition: var(--transition);
}

.categories a:hover {
    color: var(--primary);
    padding-left: 25px;
}

.categories a:hover::before {
    background-color: var(--accent);
    width: 10px;
    height: 10px;
}

/* Upcoming Events */
.upcoming-events {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.upcoming-event {
    display: flex;
    gap: 15px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.upcoming-event:last-child {
    border-bottom: none;
}

.event-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 5px;
    flex-shrink: 0;
}

.event-date .day {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1;
}

.event-date .month {
    font-size: 0.8rem;
    text-transform: uppercase;
}

.event-info h4 {
    font-size: 0.95rem;
    margin-bottom: 5px;
    color: var(--primary);
}

.event-info p {
    font-size: 0.85rem;
    color: #666;
}

/* Tags */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-block;
    background: #f1f1f1;
    color: var(--secondary);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Blog Posts */
.blog-posts {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Posts Filter */
.posts-filter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.filter-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    background: #f1f1f1;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary);
    color: white;
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sort-options label {
    font-weight: 600;
    color: var(--secondary);
}

.sort-options select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: white;
    cursor: pointer;
    transition: var(--transition);
}

.sort-options select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Posts Grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.post-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 1;
    transform: translateY(0);
    animation: fadeIn 0.5s ease-out;
}

.post-card.hidden {
    display: none;
}

.post-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.post-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.post-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.post-content {
    padding: 25px;
}

.post-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: #666;
}

.post-meta i {
    margin-right: 5px;
    color: var(--primary);
}

.post-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary);
    font-family: 'Playfair Display', serif;
    line-height: 1.3;
}

.post-excerpt {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.read-more {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.read-more:hover {
    color: var(--accent);
    gap: 10px;
}

.post-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    border-radius: 5px;
}

.action-btn:hover {
    background: #f1f1f1;
    color: var(--primary);
}

.like-btn.active {
    color: #e74c3c;
}

.like-btn.active i {
    font-weight: 900;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    background: white;
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.page-btn:hover:not(:disabled) {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: 5px;
}

.page-numbers span {
    padding: 8px 12px;
}

/* Newsletter */
.newsletter {
    background: linear-gradient(135deg, var(--primary), #1a4b8c);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.newsletter-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    font-family: 'Playfair Display', serif;
}

.newsletter-content p {
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.newsletter-form .btn {
    background: var(--accent);
    white-space: nowrap;
}

.newsletter-form .btn:hover {
    background: #065a82;
}

/* Footer (reutilizando estilos do index) */
footer {
    background-color: var(--dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 3rem;
}

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    font-family: 'Playfair Display', serif;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--accent);
}

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

.footer-column ul li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-column a {
    color: #ddd;
    text-decoration: none;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--accent);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    text-decoration: none;
}

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

.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-5px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1001;
    overflow: auto;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
}

.modal-content {
    background-color: white;
    margin: auto;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(-50px);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary);
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--accent);
    transform: rotate(90deg);
}

.modal-title {
    margin-bottom: 20px;
    color: var(--primary);
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
}

/* Share Options */
.share-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

.share-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px;
    border-radius: 10px;
    text-decoration: none;
    color: white;
    transition: var(--transition);
    gap: 8px;
}

.share-option:hover {
    transform: translateY(-5px);
}

.share-option.facebook {
    background: #3b5998;
}

.share-option.twitter {
    background: #1da1f2;
}

.share-option.linkedin {
    background: #0077b5;
}

.share-option.whatsapp {
    background: #25d366;
}

.share-option.email {
    background: var(--primary);
}

.share-link label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.link-container {
    display: flex;
    gap: 10px;
}

.link-container input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: #f9f9f9;
}

.copy-link {
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.copy-link:hover {
    background: var(--accent);
}

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

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

/* Responsividade */
@media (max-width: 992px) {
    .blog-content {
        grid-template-columns: 1fr;
    }
    
    .blog-sidebar {
        position: static;
        order: 2;
    }
    
    .blog-posts {
        order: 1;
    }
    
    .posts-filter {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        margin-bottom: 10px;
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--primary);
        flex-direction: column;
        padding: 20px;
        text-align: center;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    nav ul.active {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .page-hero .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .share-options {
        grid-template-columns: 1fr;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
}

@media (max-width: 576px) {
    .logo-text h1 {
        font-size: 1.2rem;
    }
    
    .page-hero .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .post-content {
        padding: 20px;
    }
    
    .post-footer {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .post-actions {
        align-self: flex-end;
    }
}