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

:root {
    --primary-color: #000000;
    --secondary-color: #faf3e4;
    --accent-color: #333333;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-light: #999999;
    --background-white: #ffffff;
    --background-light: #fafafa;
    --border-color: #e5e5e5;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
}

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

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

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: var(--background-white);
}

.logo-container {
    margin-bottom: var(--spacing-lg);
}

.loading-logo {
    height: 80px;
}

.loading-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.typewriter-container {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.typewriter-text {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.cursor {
    font-size: 1.2rem;
    animation: blink 1s infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--background-white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
    text-decoration: none;
}

.logo img {
    height: 40px;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

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

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--background-white);
    max-width: 800px;
    padding: 0 var(--spacing-lg);
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero-slogan {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: var(--spacing-2xl);
    letter-spacing: 0.02em;
}

.cta-button {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-2xl);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--background-white);
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    margin-top: 80px;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.page-header p {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

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

.about-content p {
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
    line-height: 1.7;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--background-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-item p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Services Section */
.services-section {
    padding: var(--spacing-3xl) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--background-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: var(--transition);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--primary-color);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Courses Section */
.courses-section {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.course-card {
    background: var(--background-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

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

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

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

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

.course-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.course-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.course-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Projects Section */
.projects-section {
    padding: var(--spacing-3xl) 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-category {
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    align-self: flex-start;
}

.project-overlay h3 {
    color: var(--background-white);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.project-overlay p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
}

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

.project-btn {
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

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

.project-content {
    padding: var(--spacing-lg);
    background: var(--background-white);
}

.project-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tag {
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Blog Section */
.blog-section {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.blog-card {
    background: var(--background-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

.blog-image {
    height: 200px;
    overflow: hidden;
}

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

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

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

.blog-date,
.blog-meta {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.blog-category,
.article-category {
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.blog-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.blog-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.read-more:hover {
    text-decoration: underline;
}

/* Section CTA */
.section-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
    padding: var(--spacing-md) var(--spacing-xl);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-primary {
    display: inline-block;
    background: var(--primary-color);
    color: var(--background-white);
    padding: var(--spacing-md) var(--spacing-xl);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

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

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--background-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--background-white);
}

.contact-info p {
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.8);
}

.contact-info i {
    margin-right: var(--spacing-sm);
    width: 16px;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--background-white);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-color);
    color: var(--text-primary);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.newsletter-form button {
    background: var(--secondary-color);
    color: var(--text-primary);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--background-white);
}

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

/* Course Detail Styles */
.course-info-section {
    padding: var(--spacing-2xl) 0;
    background: var(--background-light);
}

.course-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.info-card {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-light);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.5rem;
    color: var(--primary-color);
}

.info-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.info-card p {
    color: var(--text-secondary);
}

.courses-detail-section {
    padding: var(--spacing-3xl) 0;
}

.course-detail-card {
    background: var(--background-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    margin-bottom: var(--spacing-xl);
}

.course-detail-card .course-image {
    height: 250px;
}

.course-detail-card .course-content {
    padding: var(--spacing-2xl);
}

.course-detail-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.course-skills h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.course-skills ul {
    list-style: none;
    padding-left: 0;
}

.course-skills li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

.course-skills li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 600;
}

.course-pricing {
    background: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.price-item:last-child {
    margin-bottom: 0;
}

.price-label {
    font-weight: 500;
}

.price-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-color);
}

/* Course Detail Hero */
.course-detail-hero {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

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

.breadcrumb {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.course-detail-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.course-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.course-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
}

.course-price-box {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    margin-bottom: var(--spacing-lg);
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.price-row:last-child {
    margin-bottom: 0;
}

.course-detail-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}

/* Course Content */
.course-content-section {
    padding: var(--spacing-3xl) 0;
}

.course-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
}

.content-section {
    margin-bottom: var(--spacing-2xl);
}

.content-section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.content-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

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

.skill-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.skill-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.curriculum {
    background: var(--background-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.curriculum-item {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.curriculum-item:last-child {
    border-bottom: none;
}

.curriculum-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.curriculum-item ul {
    list-style: none;
    padding-left: 0;
}

.curriculum-item li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

.curriculum-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 600;
}

/* Sidebar */
.course-sidebar,
.project-sidebar,
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sidebar-card {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.sidebar-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

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

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
}

.related-courses,
.related-projects {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.related-course,
.related-project {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--background-light);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
}

.related-course:hover,
.related-project:hover {
    background: var(--secondary-color);
}

/* Project Categories */
.project-categories {
    padding: var(--spacing-lg) 0;
    background: var(--background-light);
}

.category-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--background-white);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

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

.projects-grid-section {
    padding: var(--spacing-3xl) 0;
}

/* Project Detail */
.project-detail-hero {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

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

.project-category-badge {
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.project-detail-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.project-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.project-detail-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}

.project-content-section {
    padding: var(--spacing-3xl) 0;
}

.project-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.impact-item {
    background: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
}

.impact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

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

.screening-item {
    padding: var(--spacing-md);
    background: var(--background-light);
    border-radius: var(--border-radius);
}

.screening-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.screening-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Blog Styles */
.featured-article-section {
    padding: var(--spacing-2xl) 0;
    background: var(--background-light);
}

.featured-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    background: var(--background-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.featured-image {
  /* height: 300px; */
}

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

.featured-content {
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.article-date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.reading-time {
    color: var(--text-light);
    font-size: 0.9rem;
}

.featured-content h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.read-more-btn {
    background: var(--primary-color);
    color: var(--background-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    align-self: flex-start;
    margin-top: var(--spacing-md);
    transition: var(--transition);
}

.read-more-btn:hover {
    background: var(--accent-color);
}

.blog-grid-section {
    padding: var(--spacing-3xl) 0;
}

/* Article Detail */
.article-header {
    padding: var(--spacing-2xl) 0;
    background: var(--background-light);
    margin-top: 80px;
}

.article-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.article-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.article-content-section {
    padding: var(--spacing-3xl) 0;
}

.article-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
}

.article-main-content {
    background: var(--background-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.article-image {
    margin-bottom: var(--spacing-2xl);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.article-text h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: var(--spacing-xl) 0 var(--spacing-md);
    color: var(--primary-color);
}

.article-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    color: var(--text-secondary);
}

.article-text ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.article-text li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.article-text blockquote {
    background: var(--background-light);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--primary-color);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    font-size: 1.1rem;
}

.article-footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.article-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

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

.share-btn {
    width: 35px;
    height: 35px;
    background: var(--background-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.related-article {
    display: flex;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
}

.related-article:hover {
    opacity: 0.8;
}

.related-article img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.related-content h4 {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.related-content span {
    color: var(--text-light);
    font-size: 0.85rem;
}

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

.category-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.category-link:hover {
    background: var(--background-light);
    color: var(--text-primary);
}

.category-link span {
    color: var(--text-light);
    font-size: 0.9rem;
}

.sidebar-cta {
    background: var(--primary-color);
    color: var(--background-white);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    display: block;
    margin-top: var(--spacing-md);
    transition: var(--transition);
}

.sidebar-cta:hover {
    background: var(--accent-color);
}

/* Contact Styles */
.contact-section {
    padding: var(--spacing-3xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

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

.contact-card {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--text-secondary);
    line-height: 1.5;
}

.social-section {
    margin-top: var(--spacing-2xl);
}

.social-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.social-links-large {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--background-white);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.social-link i {
    font-size: 1.2rem;
}

/* Contact Form */
.contact-form-section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    background: var(--background-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

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

.submit-btn {
    background: var(--primary-color);
    color: var(--background-white);
    border: none;
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.submit-btn:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

/* Map Section */
.map-section {
    padding: var(--spacing-2xl) 0;
    background: var(--background-light);
}

.map-section h2 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.map-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    margin-bottom: var(--spacing-md);
}

.map-info {
    text-align: center;
    color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--background-white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

/* About Page Styles */
.about-content-section {
    padding: var(--spacing-3xl) 0;
}

.about-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.about-text .lead {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.about-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    color: var(--text-secondary);
}

.about-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}

.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.mission-card {
    background: var(--background-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    text-align: center;
}

.card-icon {
    width: 70px;
    height: 70px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.8rem;
    color: var(--primary-color);
}

.mission-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.mission-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.team-section {
    margin-bottom: var(--spacing-3xl);
}

.team-section h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-2xl);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.team-member {
    background: var(--background-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    text-align: center;
}

.member-image {
    /* width: 120px; */
    /* height: 120px; */
    /* border-radius: 50%; */
    overflow: hidden;
    margin: 0 auto var(--spacing-lg);
}

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

.team-member h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.team-member p:first-of-type {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.team-member p:last-of-type {
    color: var(--text-secondary);
    line-height: 1.6;
}

.partners-section h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-2xl);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.partner-category {
    background: var(--background-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    text-align: center;
}

.partner-category h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

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

.partner-tag {
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-slogan {
        font-size: 1.2rem;
    }
    
    .about-grid,
    .course-detail-grid,
    .project-detail-grid,
    .featured-article,
    .about-hero,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid,
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .course-content-grid,
    .project-content-grid,
    .article-content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .loading-title {
        font-size: 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .article-footer {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }
    
    .course-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .category-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .filter-btn {
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-slogan {
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .social-links-large {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Styles */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .loading-screen {
        display: none;
    }
    
    .page-header {
        margin-top: 0;
    }
}

/* Adicione estas regras ao seu arquivo styles.css existente, ou substitua a seção do menu mobile */

/* Mobile Menu - Corrigido */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        transition: left 0.3s ease;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
        display: flex;
    }
    
    .nav-menu li {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }
    
    .nav-link {
        display: block;
        padding: 15px 20px;
        font-size: 1.1rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
        z-index: 1000;
    }
    
    .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(7px, -6px);
    }
}