/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Navigation */
.navbar {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo {
    font-size: 24px;
    font-weight: bold;
    color: #007bff;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 10px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #007bff;
    border-bottom-color: #007bff;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Main content */
.main-content {
    min-height: calc(100vh - 60px);
    padding: 40px 0;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

h1 {
    font-size: 36px;
    margin-bottom: 40px;
    text-align: center;
    color: #333;
}

h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #333;
}

h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

/* Products Page */
.tech-toggle {
    text-align: center;
    margin-bottom: 30px;
}

.tech-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tech-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

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

.tech-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.6);
}

.tech-btn.active {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.tech-btn.active:hover {
    box-shadow: 0 6px 25px rgba(255, 107, 107, 0.6);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.product-card.closed {
    filter: grayscale(100%);
    opacity: 0.7;
}

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

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    display: flex;
    align-items: flex-start;
    padding: 15px;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.product-content {
    padding: 20px;
}

.product-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 10px;
}

.product-type {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: #6c757d;
    white-space: nowrap;
    flex-shrink: 0;
}

.type-icon {
    font-size: 14px;
}

.product-release {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 5px;
    margin-left: auto;
}

.store-badges {
    display: flex;
    gap: 8px;
    align-items: center;
}

.app-store-badge,
.google-play-badge {
    height: 30px;
}

.mobile-store-badges {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin: 20px 0 15px 0;
}

.mobile-app-store-badge,
.mobile-google-play-badge {
    height: 40px;
    transition: transform 0.2s ease;
}

.mobile-app-store-badge:hover,
.mobile-google-play-badge:hover {
    transform: scale(1.05);
}

/* Dark Skills Section */
.skills-dark-container {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    margin: 20px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid #e9ecef;
}

.skills-grid-dark {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.skill-category-dark {
    background: #fff;
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.skill-category-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    color: white;
}

.skill-category-icon.programming {
    background: #3b82f6;
}

.skill-category-icon.frontend {
    background: #8b5cf6;
}

.skill-category-header h4 {
    color: #495057;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.skill-items-dark {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.skill-item-dark {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px solid #e9ecef;
}

.skill-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    color: white;
}

.skill-icon.python {
    background: #3776ab;
    font-size: 20px;
}

.skill-icon.javascript {
    background: #f7df1e;
    color: #000;
}

.skill-icon.typescript {
    background: #3178c6;
}

.skill-icon.php {
    background: #777bb4;
}

.skill-icon.react {
    background: #61dafb;
    font-size: 16px;
}

.skill-icon.nextjs {
    background: #000000;
}

.skill-icon.vue {
    background: #4fc08d;
}

.skill-icon.tailwind {
    background: #06b6d4;
    font-size: 16px;
}

.skill-info {
    flex: 1;
}

.skill-name-dark {
    color: #495057;
    font-size: 16px;
    font-weight: 500;
    display: block;
    margin-bottom: 8px;
}

.skill-stars {
    display: flex;
    gap: 2px;
}

.star {
    color: #4a5568;
    font-size: 14px;
}

.star.filled {
    color: #fbbf24;
}

@media (max-width: 768px) {
    .skills-grid-dark {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .skills-dark-container {
        padding: 20px;
    }
    
    .skills-grid-wrapper {
        display: block;
    }
}

.skills-grid-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Cool Timeline Styles */
.experience-timeline-simple {
    position: relative;
    padding-left: 50px;
    margin: 30px 0;
}

.experience-timeline-simple::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
}

.timeline-item-simple {
    position: relative;
    margin-bottom: 25px;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.timeline-item-simple::before {
    content: '';
    position: absolute;
    left: -46px;
    top: 8px;
    width: 10px;
    height: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

.timeline-item-simple:hover::before {
    transform: scale(1.2);
    transition: transform 0.3s ease;
}

.timeline-content-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 0;
    background: transparent;
    transition: all 0.3s ease;
}

.timeline-item-simple:hover .timeline-content-wrapper {
    background: transparent;
}

.timeline-item-simple .timeline-date {
    color: #007bff;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    min-width: 140px;
}

.timeline-content-right {
    flex: 1;
}

.timeline-title {
    font-size: 18px;
    color: #2d3748;
    font-weight: 600;
    letter-spacing: -0.2px;
    margin-bottom: 4px;
}

.timeline-subtitle {
    font-size: 14px;
    color: #6b7280;
    font-weight: 400;
}

/* Clean Timeline Styles */
.experience-timeline-clean {
    position: relative;
    padding-left: 30px;
    margin: 30px 0;
}

.experience-timeline-clean::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #007bff;
}

.timeline-item-clean {
    position: relative;
    margin-bottom: 35px;
    display: flex;
    align-items: flex-start;
    gap: 40px;
}

.timeline-item-clean::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 6px;
    width: 10px;
    height: 10px;
    background: #007bff;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px #007bff;
}

.timeline-date-clean {
    color: #007bff;
    font-size: 16px;
    font-weight: 600;
    min-width: 140px;
    white-space: nowrap;
}

.timeline-content-clean {
    flex: 1;
}

.timeline-title-clean {
    font-size: 20px;
    color: #2d3748;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-subtitle-clean {
    font-size: 16px;
    color: #6b7280;
    font-weight: 400;
}

.release-date {
    display: inline-block;
    background: #e9ecef;
    color: #495057;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.status-badge {
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.status-badge.closed {
    background: rgba(220, 53, 69, 0.9);
    color: white;
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
}

.product-title {
    font-size: 22px;
    margin-bottom: 10px;
    color: #333;
    line-height: 1.3;
}

.product-description {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.5;
}

.tech-info {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #007bff;
}

.tech-row {
    margin-bottom: 8px;
}

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

.product-actions {
    margin-bottom: 15px;
    text-align: center;
}

.product-actions .background-btn,
.product-actions .tech-btn {
    margin-right: 10px;
}

.background-btn {
    background: linear-gradient(135deg, #36d1dc 0%, #5b86e5 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 3px 12px rgba(54, 209, 220, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.background-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.4s;
}

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

.background-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 18px rgba(54, 209, 220, 0.5);
}

.product-background {
    background: #ffffff;
    border: 2px solid #f1f3f4;
    border-radius: 8px;
    margin-top: 20px;
    padding: 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    animation: fadeInUp 0.4s ease-out;
}

.product-background::before {
    content: '';
    display: block;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #0056b3);
}

.product-background-content {
    padding: 24px 28px;
}


.product-background p {
    font-size: 15px;
    line-height: 1.7;
    color: #4a5568;
    margin: 0;
    text-align: justify;
}

.product-tech {
    background: #ffffff;
    border: 2px solid #f1f3f4;
    border-radius: 8px;
    margin-top: 20px;
    padding: 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    animation: fadeInUp 0.4s ease-out;
}

.product-tech::before {
    content: '';
    display: block;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.product-tech-content {
    padding: 24px 28px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Profile Page */
.profile-content {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 25px;
}

/* Main Profile Card */
.profile-main-card {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
}

.profile-header {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 30px;
    align-items: center;
}

.profile-image {
    text-align: center;
}

.placeholder-image {
    width: 120px;
    height: 120px;
    background: #6c757d;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 500;
}

.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
}

.profile-intro h2 {
    font-size: 28px;
    font-weight: 600;
    color: #343a40;
    margin-bottom: 8px;
}

.profile-title {
    color: #3498db;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    letter-spacing: -0.5px;
}

.profile-description {
    margin-bottom: 20px;
}

.profile-description p {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 15px;
}

.profile-social {
    display: flex;
    gap: 10px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    text-decoration: none;
    color: #495057;
    font-size: 13px;
    font-weight: 400;
    transition: all 0.2s ease;
}

.social-link:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

/* Profile Sections */
.profile-section {
    background: #fff;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
}

.section-header {
    text-align: center;
    margin-bottom: 30px;
    background: none;
    border: none;
    padding: 0;
}

.section-header h3 {
    font-size: 32px;
    font-weight: 700;
    color: #2c3e50;
    margin: 0;
}

.section-content {
    padding: 0;
}

.section-content p {
    line-height: 1.6;
    color: #6c757d;
    margin-bottom: 15px;
    font-size: 15px;
}

/* Timeline Styles */
.experience-timeline {
    display: grid;
    gap: 20px;
}

.timeline-item {
    border-left: 3px solid #007bff;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 4px;
}

.timeline-date {
    background: #007bff;
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 10px;
}

.timeline-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #343a40;
    margin-bottom: 5px;
}

.company {
    color: #007bff;
    font-weight: 500;
    font-size: 15px;
    margin-bottom: 8px;
}

.description {
    color: #6c757d;
    line-height: 1.5;
    margin-bottom: 12px;
    font-size: 14px;
}

.tech-used {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tech-tag {
    background: #e9ecef;
    color: #495057;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 400;
    border: 1px solid #dee2e6;
}

/* Skills Container */
.skills-container {
    background: #fff;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
}

.skills-title {
    text-align: center;
    margin-bottom: 30px;
}

.skills-title h3 {
    font-size: 32px;
    font-weight: 700;
    color: #2c3e50;
    margin: 0;
}

.skills-container {
    display: flex;
    flex-direction: column;
}

.skills-categories {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    width: 100%;
}

.skill-category {
    flex: 1;
}

@media (max-width: 768px) {
    .skills-categories {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.skill-category h4 {
    font-size: 20px;
    color: #3498db;
    margin-bottom: 20px;
    font-weight: 600;
    text-align: center;
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.skill-item {
    color: #6c757d;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    padding: 8px 0;
    border-bottom: 1px solid #f8f9fa;
    text-align: center;
}

.skill-name {
    font-weight: 500;
    color: #495057;
    font-size: 14px;
    min-width: 80px;
}

.skill-level {
    flex: 1;
    margin-left: 12px;
    height: 6px;
    background: #e9ecef;
    border-radius: 3px;
    overflow: hidden;
}

.skill-bar {
    height: 100%;
    background: #007bff;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.skill-bar[data-level="90"] { width: 90%; }
.skill-bar[data-level="88"] { width: 88%; }
.skill-bar[data-level="85"] { width: 85%; }
.skill-bar[data-level="82"] { width: 82%; }
.skill-bar[data-level="80"] { width: 80%; }
.skill-bar[data-level="78"] { width: 78%; }
.skill-bar[data-level="77"] { width: 77%; }
.skill-bar[data-level="75"] { width: 75%; }
.skill-bar[data-level="72"] { width: 72%; }
.skill-bar[data-level="68"] { width: 68%; }

/* Certifications Grid */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 15px;
}

.certification-item {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.cert-icon {
    font-size: 24px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #007bff;
    border-radius: 4px;
    color: white;
}

.cert-info h4 {
    font-size: 15px;
    font-weight: 600;
    color: #343a40;
    margin-bottom: 3px;
}

.cert-issuer {
    color: #007bff;
    font-weight: 500;
    font-size: 13px;
    margin-bottom: 3px;
}

.cert-date {
    color: #6c757d;
    font-size: 12px;
}

/* News Page */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.news-card {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid #f1f3f4;
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.news-date {
    color: #007bff;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.news-title {
    font-size: 24px;
    color: #1f2937;
    margin-bottom: 16px;
    font-weight: 700;
    line-height: 1.3;
}

.news-description {
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 16px;
}

.news-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.news-card .news-tag {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

.news-tag.ios {
    background: #007aff;
}

.news-tag.release {
    background: #9ca3af;
}

.news-tag.youtube {
    background: #ff0000;
}

.news-tag.announcement {
    background: #9ca3af;
}

/* Footer Styles */
.footer {
    background: #2d3748;
    color: #e2e8f0;
    margin-top: 60px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 50px 20px 20px;
}

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

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.footer-description {
    color: #a0aec0;
    line-height: 1.6;
    font-size: 14px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-link {
    color: #a0aec0;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #007bff;
}

.footer-social {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-social-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #a0aec0;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-social-link:hover {
    color: #007bff;
}

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #718096;
    font-size: 14px;
    margin: 0;
}

@media (max-width: 768px) {
    .footer-container {
        padding: 30px 20px 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 30px;
    }
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.news-date {
    color: #007bff;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.news-category {
    background: rgba(54, 209, 220, 0.1);
    color: #36d1dc;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 15px;
    text-transform: uppercase;
}

.news-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #2c3e50;
    line-height: 1.3;
}

.news-summary {
    color: #666;
    line-height: 1.6;
    font-size: 16px;
    margin-bottom: 20px;
}

.news-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.news-tag {
    background: #f8f9fa;
    color: #495057;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.news-author {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-size: 14px;
}

.news-read-more {
    background: linear-gradient(135deg, #36d1dc 0%, #5b86e5 100%);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.news-read-more:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(54, 209, 220, 0.3);
}

/* Contact Page */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    text-align: center;
    margin-bottom: 40px;
}

.contact-info p {
    color: #666;
    font-size: 16px;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
}

.submit-btn {
    background: #007bff;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: background 0.3s ease;
    width: 100%;
}

.submit-btn:hover {
    background: #0056b3;
}

/* Thank You Page */
.thank-you-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 40px 20px;
}

.thank-you-message {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin: 30px 0;
}

.thank-you-message p {
    color: #666;
    font-size: 16px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.back-to-home {
    margin-top: 30px;
}

.back-to-home .submit-btn {
    display: inline-block;
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

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

    .nav-toggle {
        display: flex;
    }

    .container {
        padding: 0 15px;
    }

    .main-content {
        padding: 20px 0;
    }

    h1 {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-card {
        border-radius: 16px;
        overflow: hidden;
    }

    .product-content {
        padding: 15px;
    }

    .product-image {
        height: 180px;
    }

    .product-img {
        object-fit: cover;
        object-position: center;
    }

    .product-overlay {
        padding: 12px;
    }

    .product-background-content {
        padding: 20px;
    }

    .product-background p {
        font-size: 14px;
        line-height: 1.6;
    }

    /* Profile Page Responsive */
    .profile-header {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
    }

    .profile-main-card {
        padding: 20px;
    }

    .profile-img {
        width: 100px;
        height: 100px;
    }

    .placeholder-image {
        margin: 0 auto;
        width: 100px;
        height: 100px;
    }

    .profile-intro h2 {
        font-size: 22px;
    }

    .profile-title {
        font-size: 18px;
    }

    .profile-description p {
        font-size: 14px;
    }

    .profile-social {
        justify-content: center;
        flex-wrap: wrap;
    }

    .profile-section {
        padding: 20px;
    }

    .section-header h3 {
        font-size: 24px;
    }

    .section-content {
        padding: 0;
    }

    .timeline-item {
        padding: 15px;
    }

    .timeline-item-clean {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .timeline-date-clean {
        font-size: 14px;
        min-width: auto;
    }

    .timeline-title-clean {
        font-size: 18px;
    }

    .timeline-subtitle-clean {
        font-size: 14px;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .skills-categories {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .skill-category {
        padding: 15px;
    }

    .skill-category h4 {
        font-size: 18px;
    }

    .skills-container {
        padding: 20px;
    }

    .skills-title h3 {
        font-size: 24px;
    }

    .skills-grid-wrapper {
        display: block;
    }

    .skills-dark-container {
        padding: 20px;
        margin-bottom: 20px;
    }

    .skill-category-header {
        gap: 10px;
    }

    .skill-category-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .skill-category-header h4 {
        font-size: 16px;
    }

    .skill-item-dark {
        padding: 12px;
        gap: 12px;
    }

    .skill-icon {
        width: 35px;
        height: 35px;
        font-size: 12px;
    }

    .skill-name-dark {
        font-size: 14px;
    }

    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .certification-item {
        padding: 15px;
    }

    .contact-form {
        padding: 25px;
    }
}

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

    .nav-logo {
        font-size: 20px;
    }

    h1 {
        font-size: 24px;
    }

    .product-card {
        border-radius: 16px;
        overflow: hidden;
    }

    .product-title {
        font-size: 18px;
    }

    .product-content {
        padding: 12px;
    }

    .product-image {
        height: 160px;
    }

    .product-img {
        object-fit: cover;
        object-position: center;
    }

    .product-background-content {
        padding: 16px;
    }

    .product-background p {
        font-size: 13px;
        line-height: 1.5;
    }

    /* Profile Page Mobile */
    .profile-main-card {
        padding: 15px;
    }

    .profile-intro h2 {
        font-size: 20px;
    }

    .profile-title {
        font-size: 16px;
    }

    .profile-description p {
        font-size: 13px;
        line-height: 1.5;
    }

    .profile-social {
        gap: 8px;
    }

    .social-link {
        padding: 4px 8px;
        font-size: 12px;
    }

    .profile-section {
        padding: 15px;
    }

    .section-header h3 {
        font-size: 20px;
    }

    .timeline-item {
        padding: 12px;
    }

    .timeline-item-clean {
        gap: 8px;
    }

    .timeline-date-clean {
        font-size: 12px;
    }

    .timeline-title-clean {
        font-size: 16px;
    }

    .timeline-subtitle-clean {
        font-size: 13px;
    }

    .skills-container {
        padding: 15px;
    }

    .skills-title h3 {
        font-size: 20px;
    }

    .skill-category h4 {
        font-size: 16px;
    }

    .skills-dark-container {
        padding: 15px;
    }

    .skill-category-icon {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }

    .skill-category-header h4 {
        font-size: 14px;
    }

    .skill-item-dark {
        padding: 10px;
        gap: 10px;
    }

    .skill-icon {
        width: 30px;
        height: 30px;
        font-size: 10px;
    }

    .skill-name-dark {
        font-size: 13px;
    }

    .star {
        font-size: 12px;
    }

    .skill-category {
        padding: 12px;
    }

    .certification-item {
        padding: 12px;
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .cert-icon {
        width: 35px;
        height: 35px;
        font-size: 18px;
    }

    .contact-form {
        padding: 20px;
    }

    .placeholder-image,
    .profile-img {
        width: 80px;
        height: 80px;
    }
}