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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.nav-logo h2 {
    color: #2563eb;
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #2563eb;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

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

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

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 4rem 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
    line-height: 1.2;
}

.hero h2 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: #e2e8f0;
    animation: fadeInUp 1s ease 0.2s both;
    line-height: 1.4;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #cbd5e0;
    animation: fadeInUp 1s ease 0.4s both;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.6s both;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: #2563eb;
    color: white;
    border-color: #2563eb;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background-color: white;
    color: #2563eb;
    transform: translateY(-2px);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: fadeInUp 1s ease 0.8s both;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: #2563eb;
    transform: translateY(-3px);
}

/* Section Styling */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1e293b;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    border-radius: 2px;
}

/* About Section */
.about {
    background-color: #f8fafc;
}

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

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #475569;
    line-height: 1.8;
}

.contact-info {
    margin-top: 2rem;
    display: grid;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-item i {
    color: #2563eb;
    width: 20px;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e2e8f0;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
    text-align: right;
}

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

.timeline-date {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    z-index: 2;
}

.timeline-content {
    width: 45%;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
}

.timeline-content h3 {
    color: #1e293b;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: #2563eb;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
    padding-left: 0;
}

.timeline-content li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #475569;
}

.timeline-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

/* Skills Section */
.skills {
    background-color: #f8fafc;
}

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

.skill-category {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.skill-category h3 {
    color: #1e293b;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
}

.skill-tag {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: transform 0.3s ease;
}

.skill-tag:hover {
    transform: scale(1.05);
}

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

.project-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    color: #1e293b;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.project-content p {
    color: #475569;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.tech-tag {
    background: #e2e8f0;
    color: #475569;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Education Section */
.education {
    background-color: #f8fafc;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.education-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.education-item h3 {
    color: #1e293b;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.education-item h4 {
    color: #2563eb;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.education-item .period {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 1rem;
}

.education-item p {
    color: #475569;
    line-height: 1.6;
}

.certifications-title,
.languages-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1e293b;
    margin: 3rem 0 1.5rem;
    text-align: center;
}

.certifications {
    display: grid;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.cert-item i {
    color: #2563eb;
    font-size: 1.2rem;
}

.languages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.language-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.language {
    font-weight: 600;
    color: #1e293b;
}

.level {
    background: #2563eb;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
}

.contact .section-title {
    color: white;
}

.contact .section-title::after {
    background: linear-gradient(90deg, #60a5fa, #a78bfa);
}

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

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #cbd5e0;
    line-height: 1.6;
}

.contact-details {
    display: grid;
    gap: 1.5rem;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-detail i {
    background: #2563eb;
    color: white;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.2rem;
}

.contact-detail h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.contact-detail a {
    color: #60a5fa;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-detail a:hover {
    color: #93c5fd;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #60a5fa;
}

/* Multi-page specific styles */
.nav-logo a {
    text-decoration: none;
    color: inherit;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 120px 0 80px;
    margin-top: 80px;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    color: #e2e8f0;
}

/* Overview Section (Home Page) */
.overview {
    padding: 80px 0;
    background-color: #f8fafc;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.overview-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.overview-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.overview-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.overview-card p {
    color: #475569;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.card-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.card-link:hover {
    color: #1d4ed8;
}

/* Featured Skills Section */
.featured-skills {
    padding: 80px 0;
}

.skills-highlight {
    max-width: 800px;
    margin: 0 auto 3rem;
}

.skill-highlight {
    margin-bottom: 2rem;
}

.skill-highlight h4 {
    color: #1e293b;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.skill-bar {
    background: #e2e8f0;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    width: 0;
    transition: width 2s ease;
    border-radius: 4px;
}

.skills-cta {
    text-align: center;
}

/* About Page Styles */
.about-detailed {
    padding: 80px 0;
}

.about-content-detailed {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-intro h2,
.expertise-areas h2,
.approach h2 {
    color: #1e293b;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.about-intro p {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.expertise-item {
    text-align: center;
    padding: 1.5rem;
}

.expertise-item i {
    font-size: 2.5rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.expertise-item h4 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.approach-steps {
    display: grid;
    gap: 2rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.about-sidebar {
    display: grid;
    gap: 2rem;
}

.contact-card,
.stats-card,
.cta-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-card h3,
.stats-card h3,
.cta-card h3 {
    color: #1e293b;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.contact-details {
    display: grid;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    color: #2563eb;
    width: 20px;
    text-align: center;
}

.contact-item div strong {
    display: block;
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.contact-item a {
    color: #2563eb;
    text-decoration: none;
}

.stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #2563eb;
}

.stat-label {
    color: #475569;
    font-size: 0.9rem;
}

/* Experience Page Styles */
.experience-detailed {
    padding: 80px 0;
}

.timeline-detailed {
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-item-detailed {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
    overflow: hidden;
}

.timeline-date-detailed {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.date-range {
    font-size: 1.1rem;
    font-weight: 600;
}

.duration {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
}

.timeline-content-detailed {
    padding: 2rem;
}

.company-info h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.company-info h4 {
    color: #2563eb;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.company-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.company-meta span {
    color: #64748b;
    font-size: 0.9rem;
}

.company-meta i {
    margin-right: 0.5rem;
}

.role-description p {
    color: #475569;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.achievements h5,
.technologies-used h5 {
    color: #1e293b;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.achievements ul {
    list-style: none;
    padding: 0;
}

.achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: #475569;
    line-height: 1.6;
}

.achievements li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: #e2e8f0;
    color: #475569;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.career-progression {
    margin-top: 4rem;
    text-align: center;
}

.career-progression h2 {
    color: #1e293b;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.progression-chart {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.progression-item {
    text-align: center;
    max-width: 200px;
}

.progression-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 2rem;
}

.progression-item h4 {
    color: #1e293b;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.progression-item p {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.year {
    background: #e2e8f0;
    color: #475569;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.progression-arrow {
    color: #94a3b8;
    font-size: 1.5rem;
}

.skills-developed {
    margin-top: 4rem;
}

.skills-developed h2 {
    color: #1e293b;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
}

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

.skill-category-exp {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.skill-category-exp h4 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.skill-category-exp ul {
    list-style: none;
    padding: 0;
}

.skill-category-exp li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: #475569;
}

.skill-category-exp li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

/* Skills Page Styles */
.skills-overview {
    padding: 80px 0;
    background-color: #f8fafc;
}

.skills-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.skills-intro h2 {
    color: #1e293b;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.skills-intro p {
    color: #475569;
    font-size: 1.1rem;
    line-height: 1.7;
}

.proficiency-bars {
    max-width: 800px;
    margin: 0 auto;
}

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

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.skill-info h4 {
    color: #1e293b;
    font-size: 1.1rem;
    font-weight: 600;
}

.percentage {
    color: #2563eb;
    font-weight: 600;
}

.progress-bar {
    height: 10px;
    background: #e2e8f0;
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    width: 0;
    transition: width 2s ease;
    border-radius: 5px;
}

.skills-detailed {
    padding: 80px 0;
}

.skills-tabs {
    max-width: 1200px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    background: transparent;
    border: 2px solid #e2e8f0;
    color: #64748b;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.tab-btn.active,
.tab-btn:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

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

.skill-item-detailed {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.skill-item-detailed:hover {
    transform: translateY(-5px);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.skill-item-detailed h4 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.skill-item-detailed p {
    color: #475569;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.skill-level {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.level-label {
    color: #2563eb;
    font-weight: 600;
    font-size: 0.9rem;
}

.level-dots {
    display: flex;
    gap: 4px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #e2e8f0;
    transition: background 0.3s ease;
}

.dot.active {
    background: #2563eb;
}

.soft-skills {
    padding: 80px 0;
    background-color: #f8fafc;
}

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

.soft-skill-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.soft-skill-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.8rem;
}

.soft-skill-item h4 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.soft-skill-item p {
    color: #475569;
    line-height: 1.6;
}

/* Projects Page Styles */
.projects-filter {
    padding: 40px 0;
    background-color: #f8fafc;
}

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

.filter-btn {
    background: white;
    border: 2px solid #e2e8f0;
    color: #64748b;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
}

.projects-detailed {
    padding: 80px 0;
}

.projects-grid-detailed {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.project-card-detailed {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card-detailed:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-placeholder {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.8);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-actions {
    display: flex;
    gap: 1rem;
}

.action-btn {
    background: #2563eb;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s ease;
    cursor: pointer;
}

.action-btn:hover {
    background: #1d4ed8;
}

.project-content-detailed {
    padding: 2rem;
}

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

.project-type {
    background: #e0f2fe;
    color: #0277bd;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-status {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-status.completed {
    background: #dcfce7;
    color: #166534;
}

.project-status.in-production {
    background: #fef3c7;
    color: #92400e;
}

.project-status.ongoing {
    background: #dbeafe;
    color: #1e40af;
}

.project-status.beta {
    background: #fce7f3;
    color: #be185d;
}

.project-content-detailed h3 {
    color: #1e293b;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.project-content-detailed p {
    color: #475569;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-highlights h5 {
    color: #1e293b;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.project-highlights ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.project-highlights li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #475569;
    font-size: 0.9rem;
}

.project-highlights li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

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

.project-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stat {
    text-align: center;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.stat-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 0.2rem;
}

.stat-label {
    color: #64748b;
    font-size: 0.8rem;
}

/* Education Page Styles */
.academic-education {
    padding: 80px 0;
}

.education-timeline {
    max-width: 1000px;
    margin: 0 auto;
}

.education-item-detailed {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
    overflow: hidden;
}

.education-year {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.year-range {
    font-size: 1.1rem;
    font-weight: 600;
}

.education-content {
    padding: 2rem;
}

.institution-info h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.institution-info h4 {
    color: #2563eb;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.institution-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.institution-meta span {
    color: #64748b;
    font-size: 0.9rem;
}

.coursework h5 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

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

.course-category h6 {
    color: #2563eb;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.course-category li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #475569;
    font-size: 0.9rem;
}

.course-category li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

.subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.subject-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
}

.subject-name {
    font-weight: 600;
    color: #1e293b;
}

.subject-grade {
    background: #2563eb;
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.certifications-detailed {
    padding: 80px 0;
    background-color: #f8fafc;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.cert-category h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.cert-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    overflow: hidden;
}

.cert-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.cert-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.cert-info h4 {
    color: #1e293b;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.cert-provider {
    color: #64748b;
    font-size: 0.9rem;
}

.cert-status {
    margin-left: auto;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
}

.cert-status.in-progress {
    background: #fef3c7;
    color: #92400e;
}

.cert-status.self-study {
    background: #dbeafe;
    color: #1e40af;
}

.cert-description {
    padding: 1.5rem;
}

.cert-description p {
    color: #475569;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.cert-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-badge {
    background: #e2e8f0;
    color: #475569;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
}

.cert-progress {
    padding: 0 1.5rem 1.5rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: #64748b;
}

.progress-bar-cert {
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill-cert {
    height: 100%;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    border-radius: 3px;
    transition: width 1s ease;
}

.skills-development {
    padding: 80px 0;
}

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

.learning-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.learning-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.learning-card h4 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.learning-card p {
    color: #475569;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.learning-card ul {
    list-style: none;
    padding: 0;
}

.learning-card li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #475569;
    font-size: 0.9rem;
}

.learning-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.languages-section {
    padding: 80px 0;
    background-color: #f8fafc;
}

.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.language-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.language-flag {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.language-info h4 {
    color: #1e293b;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.proficiency {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
    display: inline-block;
}

.proficiency.fluent {
    background: #dcfce7;
    color: #166534;
}

.proficiency.native {
    background: #fef3c7;
    color: #92400e;
}

.language-info p {
    color: #475569;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.language-skills {
    display: grid;
    gap: 1rem;
}

.skill-bar-lang {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.skill-bar-lang span {
    min-width: 60px;
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 500;
}

.bar {
    flex: 1;
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
}

.fill {
    height: 100%;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    border-radius: 3px;
    transition: width 1s ease;
}

/* Contact Page Styles */
.contact-detailed {
    padding: 80px 0;
}

.contact-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.contact-intro h2 {
    color: #1e293b;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-intro p {
    color: #475569;
    font-size: 1.1rem;
    line-height: 1.7;
}

.contact-content-detailed {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info-detailed h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.contact-methods {
    display: grid;
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-method {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: transform 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-5px);
}

.method-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.method-content {
    flex: 1;
}

.method-content h4 {
    color: #1e293b;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.method-content a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
}

.method-content p {
    color: #64748b;
    font-size: 0.9rem;
    margin-top: 0.3rem;
}

.method-action .btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.method-action .btn-outline:hover {
    background: #2563eb;
    color: white;
}

.timezone {
    background: #f1f5f9;
    color: #64748b;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
}

.availability {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.availability h4 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.availability-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.status-indicator.available {
    background: #10b981;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.availability-status span {
    color: #10b981;
    font-weight: 600;
}

.availability p {
    color: #475569;
    font-size: 0.9rem;
    line-height: 1.6;
}

.social-connect {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.social-connect h4 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

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

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #e2e8f0;
    transform: translateX(5px);
}

.social-link i {
    color: #2563eb;
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.social-link span {
    color: #475569;
    font-weight: 600;
}

.contact-form-detailed {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-form-detailed h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-form-detailed > p {
    color: #475569;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.form-detailed {
    display: grid;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.form-group-detailed label {
    color: #374151;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-group-detailed input,
.form-group-detailed select,
.form-group-detailed textarea {
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group-detailed input:focus,
.form-group-detailed select:focus,
.form-group-detailed textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group-detailed select {
    cursor: pointer;
}

.form-group-detailed textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: #475569;
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    width: auto;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

.btn-large {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-secondary {
    background: transparent;
    color: #64748b;
    border: 2px solid #e5e7eb;
}

.btn-secondary:hover {
    background: #f8fafc;
    color: #475569;
    border-color: #d1d5db;
}

.services-overview {
    padding: 80px 0;
    background-color: #f8fafc;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.8rem;
}

.service-card h4 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.service-card p {
    color: #475569;
    line-height: 1.6;
}

.faq-section {
    padding: 80px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.faq-item h4 {
    color: #1e293b;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.faq-item p {
    color: #475569;
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: #0f172a;
    color: #94a3b8;
    text-align: center;
    padding: 2rem 0;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        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: 2rem 0;
    }

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

    .hero {
        min-height: 70vh;
        padding: 3rem 0;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero h2 {
        font-size: 1.2rem;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

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

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline-date {
        position: static;
        transform: none;
        align-self: flex-start;
        margin-left: 50px;
        margin-bottom: 1rem;
    }

    .timeline-content {
        width: 100%;
        margin-left: 50px;
        text-align: left;
    }

    .timeline-item:nth-child(odd) .timeline-content {
        margin-left: 50px;
        text-align: left;
    }

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

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

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

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

    /* Contact page detailed responsive styles */
    .contact-content-detailed {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .method-content {
        text-align: center;
    }
    
    .social-link {
        justify-content: center;
    }
    
    .form-actions {
        justify-content: center;
        flex-direction: column;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }

    /* Projects page responsive styles */
    .projects-grid-detailed {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .project-stats {
        grid-template-columns: 1fr;
    }

    /* Education page responsive styles */
    .education-year {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .institution-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
    }
    
    .subjects-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .cert-status {
        margin-left: 0;
    }
    
    .learning-areas {
        grid-template-columns: 1fr;
    }
    
    .languages-grid {
        grid-template-columns: 1fr;
    }

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

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

    .hero {
        min-height: 60vh;
        padding: 2rem 0;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero h2 {
        font-size: 1.1rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }

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

    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .skill-category,
    .project-card {
        margin: 0 10px;
    }
}