* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --accent-color: #0ea5e9;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

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

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

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

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 3px;
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

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

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.hero .highlight {
    color: #fbbf24;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

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

.btn:disabled,
.btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: #e0e0e0;
    color: #999;
}

.btn:disabled:hover,
.btn[disabled]:hover {
    transform: none;
    box-shadow: none;
    background-color: #e0e0e0;
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.highlights {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.highlight-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

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

.highlight-card h3 {
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

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

.cta-section {
    padding: 4rem 0;
    text-align: center;
    background-color: var(--bg-white);
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.cta-section p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.95;
}

.content-section {
    padding: 4rem 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.profile-section {
    text-align: center;
    margin-bottom: 2rem;
}

.profile-image {
    width: 100%;
    max-width: 300px;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--primary-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.about-content h2 {
    font-size: 2rem;
    margin: 2rem 0 1rem;
    color: var(--text-dark);
}

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

.education-box {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin: 1.5rem 0;
    border-left: 4px solid var(--primary-color);
}

.education-box h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.education-detail {
    margin: 0.5rem 0;
}

.course-list {
    list-style: none;
    margin: 1rem 0;
}

.course-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
}

.course-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.info-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.info-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.facts-list,
.activities-list {
    list-style: none;
}

.facts-list li,
.activities-list li {
    padding: 0.5rem 0;
    color: var(--text-light);
    line-height: 1.6;
}

.projects-grid {
    display: grid;
    gap: 2rem;
}

.project-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.project-card.featured {
    border: 2px solid var(--primary-color);
}

.project-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

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

.project-content {
    padding: 2rem;
}

.project-tag {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.project-card h2 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.project-description {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.tech-badge {
    background-color: var(--bg-light);
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
}

.resources h3 {
    color: var(--text-dark);
    margin: 2rem 0 1rem;
    font-size: 1.25rem;
}

.resource-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.resource-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.resource-link:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-dark);
    transform: translateX(5px);
}

.resource-link:hover .resource-icon {
    transform: scale(1.2);
}

.resource-link:hover strong,
.resource-link:hover p {
    color: white;
}

.resource-icon {
    font-size: 2rem;
    transition: transform 0.3s ease;
}

.resource-link strong {
    color: var(--text-dark);
    font-size: 1.125rem;
    display: block;
    margin-bottom: 0.25rem;
}

.resource-link p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

.awards-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.awards-intro p {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.8;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.award-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid var(--accent-color);
}

.award-card.highlight {
    border-left-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

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

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

.award-card h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.award-year {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
    display: block;
}

.award-description {
    color: var(--text-light);
    line-height: 1.8;
}

.achievements-note {
    background-color: var(--bg-light);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
}

.achievements-note h2 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.achievements-note p {
    color: var(--text-light);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

.volunteer-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.volunteer-intro p {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.8;
}

.volunteer-section {
    margin: 3rem 0;
}

.volunteer-section h2 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--primary-color);
}

.volunteer-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
}

.volunteer-header h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.volunteer-location {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.volunteer-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.volunteer-gallery {
    margin-top: 4rem;
    padding: 3rem;
    background-color: var(--bg-light);
    border-radius: 12px;
}

.volunteer-gallery h2 {
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
}

.gallery-subtitle {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin: 3rem 0 1.5rem;
    text-align: center;
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.photo-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--bg-white);
}

.photo-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.photo-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.photo-item:hover img {
    transform: scale(1.05);
}

.gallery-note {
    color: var(--text-light);
    font-style: italic;
}

.blog-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.blog-intro p {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.8;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.blog-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.blog-category {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.blog-date {
    color: var(--text-light);
    font-size: 0.875rem;
}

.blog-card h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.blog-card h2 a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-card h2 a:hover {
    color: var(--primary-color);
}

.blog-excerpt {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--primary-dark);
}

.blog-post {
    max-width: 800px;
    margin: 0 auto;
}

.blog-post h1 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.blog-post-meta {
    color: var(--text-light);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.blog-post-content {
    color: var(--text-light);
    line-height: 1.9;
}

.blog-post-content h2 {
    font-size: 1.875rem;
    color: var(--text-dark);
    margin: 2rem 0 1rem;
}

.blog-post-content h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin: 1.5rem 0 1rem;
}

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

.blog-post-content ul,
.blog-post-content ol {
    margin: 1.5rem 0 1.5rem 2rem;
}

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

.blog-post-content code {
    background-color: var(--bg-light);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.blog-post-content pre {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.blog-post-content pre code {
    background: none;
    padding: 0;
}

.blog-image {
    margin: 2.5rem 0;
    text-align: center;
}

.blog-image img {
    width: 100%;
    max-width: 700px;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.image-caption {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-methods {
    margin: 2rem 0;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    font-size: 2rem;
}

.contact-method h3 {
    color: var(--text-dark);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.contact-method p {
    margin: 0;
}

.contact-method a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-method a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.interests-box {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.interests-box h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.interests-box ul {
    list-style: none;
}

.interests-box li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.interests-box li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.contact-form {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    display: none;
}

.form-status.success {
    background-color: #d1fae5;
    color: #065f46;
    display: block;
}

.form-status.error {
    background-color: #fee2e2;
    color: #991b1b;
    display: block;
}

footer {
    background-color: var(--text-dark);
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

footer p {
    margin: 0.5rem 0;
    opacity: 0.9;
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: white;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 0.5rem 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

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

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 3rem 0;
    }

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

    .content-section {
        padding: 2rem 0;
    }
}