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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #ffffff;
    --bg-gray: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 5px 20px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header e Navegação */
.site-header {
    background: var(--bg-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-menu a:hover {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: #2980b9;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

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

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Sections */
section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--primary-color);
    font-weight: 700;
}

/* Posts Grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.post-card {
    background: var(--bg-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.post-image {
    position: relative;
    height: 220px;
    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: 1rem;
    right: 1rem;
    background: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.post-content {
    padding: 1.5rem;
}

.post-title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.post-title a {
    color: var(--primary-color);
}

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

.post-excerpt {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Single Post */
.single-post {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 20px;
}

.post-header {
    text-align: center;
    margin-bottom: 2rem;
}

.post-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.post-header-meta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.post-category-badge {
    background: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

.post-author-info {
    color: var(--text-light);
}

.post-featured-image {
    margin: 2rem 0;
    border-radius: 10px;
    overflow: hidden;
}

.post-featured-image img {
    width: 100%;
    height: auto;
}

.post-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
}

.post-body h2,
.post-body h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.post-body p {
    margin-bottom: 1.5rem;
}

.post-body ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.post-body li {
    margin-bottom: 0.5rem;
}

.post-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.post-tags {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.tag {
    background: var(--bg-gray);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-color);
}

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

/* Post Navigation */
.post-navigation {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    padding: 2rem 0;
    border-top: 2px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
}

.nav-previous,
.nav-next {
    display: flex;
    flex-direction: column;
}

.nav-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.nav-previous a,
.nav-next a {
    font-weight: 600;
    color: var(--primary-color);
}

/* Related Posts */
.related-posts {
    margin-top: 3rem;
}

.related-posts h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

/* Posts List */
.posts-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.post-item {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    background: var(--bg-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.post-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.post-item-image {
    height: 100%;
    min-height: 200px;
}

.post-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-item-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.post-category-tag {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    width: fit-content;
}

/* Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background: var(--bg-gray);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.category-card:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
}

.category-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.category-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.categories-grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card-large {
    background: var(--bg-color);
    padding: 3rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.category-card-large h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.post-count {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

/* About Section */
.about-section {
    background: var(--bg-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    line-height: 1.8;
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* About Page */
.about-content-full {
    max-width: 900px;
    margin: 0 auto;
}

.about-image-large {
    margin: 2rem 0;
    border-radius: 10px;
    overflow: hidden;
}

.about-text-full h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.about-text-full p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-text-full ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.about-text-full li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

/* Contact Page */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    margin-bottom: 2rem;
}

.contact-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-form-wrapper {
    background: var(--bg-gray);
    padding: 2rem;
    border-radius: 10px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
}

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

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

/* Page Header */
.page-header {
    background: var(--bg-gray);
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Legal Pages */
.legal-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 20px;
}

.legal-content h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-content p,
.legal-content ul {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.legal-content ul {
    margin-left: 2rem;
}

.legal-content li {
    margin-bottom: 0.75rem;
}

/* Footer */
.site-footer {
    background: var(--primary-color);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

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

.footer-section a {
    color: rgba(255,255,255,0.8);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
}

/* Utilities */
.text-center {
    text-align: center;
    margin-top: 2rem;
}

.no-posts {
    text-align: center;
    padding: 3rem;
}

.no-posts p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-color);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
        gap: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu a {
        display: block;
        padding: 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .post-item {
        grid-template-columns: 1fr;
    }

    .post-item-image {
        min-height: 200px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .post-header h1 {
        font-size: 2rem;
    }

    .categories-grid-large {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 3rem 0;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    section {
        padding: 2rem 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}