/* Global Styles */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --light-color: #ecf0f1;
    --dark-color: #333;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --max-width: 1200px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f9f9f9;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

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

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* Hero Section */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

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

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.hero-content h1 span {
    color: var(--primary-color);
}

.hero-content .tagline {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: #666;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Intro Section */
.intro {
    padding: 80px 0;
    text-align: center;
}

.intro h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.intro p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: #666;
}

/* Highlights Section */
.highlights {
    padding: 60px 0;
    background: #fff;
}

.highlights .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.highlight-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.highlight-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.highlight-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.highlight-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

/* Footer */
footer {
    background: var(--secondary-color);
    color: #fff;
    padding: 30px 0;
    text-align: center;
}

footer p {
    margin-bottom: 15px;
}

.social-links a {
    color: #fff;
    margin: 0 10px;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

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

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

    nav ul {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: #fff;
        flex-direction: column;
        align-items: center;
        padding-top: 30px;
        transition: left 0.3s ease;
    }

    nav ul.show {
        left: 0;
    }

    nav ul li {
        margin: 15px 0;
    }

    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .intro h2 {
        font-size: 2rem;
    }
}






/* Page Header */
.page-header {
    padding: 120px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.page-header h1 {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    color: #666;
}

/* About Section */
.about-section {
    padding: 80px 0;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.about-text h3 {
    font-size: 1.8rem;
    margin: 30px 0 20px;
    color: var(--secondary-color);
}

/* Skills */
.skills {
    margin: 30px 0;
}

.skill {
    margin-bottom: 20px;
}

.skill h4 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.skill-bar {
    height: 10px;
    background: #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background: var(--primary-color);
    border-radius: 5px;
}

/* Timeline */
.timeline-section {
    padding: 60px 0;
    background: #fff;
}

.timeline-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--secondary-color);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 20px 0;
    position: relative;
}

.timeline-date {
    width: 120px;
    background: var(--primary-color);
    color: #fff;
    padding: 8px 15px;
    border-radius: 20px;
    text-align: center;
    position: absolute;
    left: 50%;
    margin-left: -60px;
    top: 20px;
}

.timeline-content {
    width: 45%;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 55%;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: 55%;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.timeline-content p {
    color: #666;
}

/* Portfolio Section */
.portfolio-section {
    padding: 60px 0;
}

.portfolio-filter {
    text-align: center;
    margin-bottom: 40px;
}

.filter-btn {
    background: none;
    border: none;
    padding: 8px 20px;
    margin: 0 10px;
    cursor: pointer;
    font-size: 1rem;
    color: var(--dark-color);
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    color: var(--primary-color);
    font-weight: 600;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(52, 152, 219, 0.9);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.portfolio-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.portfolio-overlay p {
    margin-bottom: 15px;
}

.portfolio-link {
    color: #fff;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

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

/* Contact Section */
.contact-section {
    padding: 80px 0;
}

.contact-section .container {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.contact-info p {
    margin-bottom: 30px;
    color: #666;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.info-item h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.contact-form {
    flex: 1;
}

.contact-form h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    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;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    .about-content,
    .contact-section .container {
        flex-direction: column;
    }
    
    .about-image,
    .about-text,
    .contact-info,
    .contact-form {
        flex: none;
        width: 100%;
    }
    
    .about-image {
        margin-bottom: 40px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-date {
        left: 30px;
        margin-left: 0;
    }
    
    .timeline-content {
        width: calc(100% - 90px);
        margin-left: 90px !important;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .filter-btn {
        margin: 5px;
        padding: 5px 10px;
    }
}



/* Blog Section */
.blog-section {
    padding: 80px 0;
}

.blog-search {
    display: flex;
    margin-bottom: 30px;
    max-width: 500px;
}

.blog-search input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px 0 0 5px;
    font-size: 1rem;
}

.blog-search button {
    padding: 0 20px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    transition: background 0.3s ease;
}

.blog-search button:hover {
    background: #2980b9;
}

.blog-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.category-btn {
    padding: 8px 15px;
    background: #f1f1f1;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.category-btn.active,
.category-btn:hover {
    background: var(--primary-color);
    color: #fff;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.blog-post {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-post:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

.post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.post-category {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: #fff;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.post-content {
    padding: 20px;
}

.post-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: #777;
}

.post-meta i {
    margin-right: 5px;
}

.blog-post h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.blog-post h2 a {
    color: inherit;
    transition: color 0.3s ease;
}

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

.blog-post p {
    margin-bottom: 20px;
    color: #666;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.read-more i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.read-more:hover {
    transform: translateX(5px);
}

.read-more:hover i {
    transform: translateX(3px);
}

.blog-pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.pagination-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f1f1;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn.active,
.pagination-btn:hover {
    background: var(--primary-color);
    color: #fff;
}

.pagination-btn.next {
    width: auto;
    padding: 0 15px;
    gap: 5px;
}

/* Responsive Blog */
@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .post-image {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .blog-search {
        max-width: 100%;
    }
    
    .post-meta {
        flex-direction: column;
        gap: 5px;
    }
}




/* Single Post Section */
.single-post-section {
    padding: 60px 0;
}

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

.post-header {
    text-align: center;
    margin-bottom: 40px;
}

.post-category {
    display: inline-block;
    background: var(--primary-color);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.post-header h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.post-meta {
    display: flex;
    justify-content: center;
    gap: 20px;
    color: #777;
    font-size: 0.9rem;
}

.post-meta i {
    margin-right: 5px;
}

.post-image {
    margin-bottom: 30px;
    border-radius: 10px;
    overflow: hidden;
}

.post-image img {
    width: 100%;
    display: block;
}

.post-content {
    line-height: 1.8;
    color: #555;
}

.post-content h2 {
    font-size: 1.8rem;
    margin: 30px 0 15px;
    color: var(--secondary-color);
}

.post-content p {
    margin-bottom: 20px;
}

.post-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 20px;
    margin: 30px 0;
    font-style: italic;
    color: #666;
}

.post-content ul {
    margin: 20px 0;
    padding-left: 20px;
}

.post-content ul li {
    margin-bottom: 10px;
}

.post-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 40px 0;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.post-tags span {
    font-weight: 600;
    color: var(--secondary-color);
}

.post-tags a {
    padding: 5px 15px;
    background: #f5f5f5;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.post-tags a:hover {
    background: var(--primary-color);
    color: #fff;
}

.post-navigation {
    display: flex;
    justify-content: space-between;
    margin: 40px 0;
    padding: 20px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.post-navigation a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--secondary-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* Comments Section */
.comments-section {
    margin-top: 60px;
}

.comments-section h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--secondary-color);
}

.comment {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.comment.reply {
    margin-left: 60px;
    margin-top: 20px;
}

.comment-author {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.comment-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.comment-author h4 {
    font-size: 1.1rem;
    color: var(--secondary-color);
}

.comment-date {
    font-size: 0.8rem;
    color: #777;
}

.comment-content p {
    margin-bottom: 10px;
    color: #555;
}

.reply-btn {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
}

.comment-form {
    margin-top: 50px;
}

.comment-form h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.comment-form .form-group {
    margin-bottom: 20px;
}

.comment-form input,
.comment-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.comment-form textarea {
    resize: vertical;
    min-height: 150px;
}

/* Responsive Single Post */
@media (max-width: 768px) {
    .post-header h1 {
        font-size: 2rem;
    }
    
    .post-meta {
        flex-direction: column;
        gap: 5px;
        align-items: center;
    }
    
    .post-navigation {
        flex-direction: column;
        gap: 20px;
    }
    
    .comment.reply {
        margin-left: 30px;
    }
}