/* 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: #e2e8f0;
    background-color: #0f172a;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(51, 65, 85, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: #60a5fa;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-logo a:hover {
    color: #93c5fd;
}

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

.nav-link {
    color: #94a3b8;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #60a5fa;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #60a5fa;
    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: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    color: #34d399;
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.quotes {
    margin: 2rem 0;
}

.einstein-quote,
.personal-quote {
    font-style: italic;
    font-size: 1.1rem;
    margin: 1rem 0;
    opacity: 0.9;
    padding-left: 1rem;
    border-left: 3px solid #34d399;
}

.personal-quote {
    font-weight: 600;
    color: #f1f5f9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: #60a5fa;
    color: white;
    border-color: #60a5fa;
}

.btn-primary:hover {
    background: #3b82f6;
    border-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(96, 165, 250, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #60a5fa;
    border-color: #60a5fa;
}

.btn-outline:hover {
    background: #60a5fa;
    color: #0f172a;
    transform: translateY(-2px);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #f1f5f9;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #60a5fa;
    border-radius: 2px;
}

/* About Section */
.about {
    background: #1e293b;
}

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

.about-text p {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: #334155;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #475569;
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border-color: #60a5fa;
}

.highlight-item i {
    font-size: 1.5rem;
    color: #60a5fa;
}

.highlight-item span {
    font-weight: 600;
    color: #f1f5f9;
}

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

.project-card {
    background: #1e293b;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    border: 1px solid #334155;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: #60a5fa;
}

.project-header {
    margin-bottom: 1rem;
}

.project-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

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

.tag {
    background: #1e40af;
    color: #dbeafe;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.project-description {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-tech {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.project-tech i {
    font-size: 1.5rem;
    color: #94a3b8;
    transition: color 0.3s ease;
}

.project-tech i:hover {
    color: #60a5fa;
}

.project-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: auto;
    justify-content: flex-start;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.skill-category {
    background: #1e293b;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    border: 1px solid #334155;
    transition: transform 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: #60a5fa;
}

.skill-category h3 {
    color: #f1f5f9;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-item {
    background: #1e40af;
    color: #dbeafe;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.skill-item:hover {
    background: #60a5fa;
    color: #0f172a;
    transform: scale(1.05);
}

/* Blog Section */
.blog {
    background: #0f172a;
}

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

.blog-card {
    background: #1e293b;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #334155;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border-color: #60a5fa;
}

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

.blog-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #f1f5f9;
    flex: 1;
}

.blog-date {
    background: #064e3b;
    color: #6ee7b7;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-left: 1rem;
}

.blog-summary {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.blog-actions {
    display: flex;
    justify-content: flex-end;
}

.read-more {
    color: #60a5fa;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
    text-decoration: none;
}

.read-more:hover {
    color: #93c5fd;
}


/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.skill-category {
    background: #1e293b;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    border: 1px solid #334155;
    transition: transform 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: #60a5fa;
}

.skill-category h3 {
    color: #f1f5f9;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-item {
    background: #1e40af;
    color: #dbeafe;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.skill-item:hover {
    background: #60a5fa;
    color: #0f172a;
    transform: scale(1.05);
}

/* Experience Section */
.experience {
    background: #0f172a;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #334155;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 20px;
    top: 0;
    width: 20px;
    height: 20px;
    background: #60a5fa;
    border-radius: 50%;
    border: 4px solid #0f172a;
    box-shadow: 0 0 0 4px #334155;
}

.timeline-content {
    background: #1e293b;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    border: 1px solid #334155;
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    border-color: #60a5fa;
}

.timeline-content h3 {
    color: #f1f5f9;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.timeline-content p {
    color: #cbd5e1;
    line-height: 1.6;
}

.timeline-duration {
    color: #60a5fa !important;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem !important;
}

.awards-section {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 2px solid #334155;
}

.awards-title {
    color: #f1f5f9;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.award-item {
    background: #1e293b;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #334155;
    text-align: center;
    transition: transform 0.3s ease;
}

.award-item:hover {
    transform: translateY(-5px);
    border-color: #60a5fa;
}

.award-item h4 {
    color: #f1f5f9;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.award-item p {
    color: #cbd5e1;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

/* Contact Section */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-intro {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 2rem;
    background: #1e293b;
    border-radius: 16px;
    text-decoration: none;
    color: #f1f5f9;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    border: 1px solid #334155;
    transition: all 0.3s ease;
    min-width: 120px;
}

.contact-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border-color: #60a5fa;
    background: #334155;
}

.contact-link i {
    font-size: 2rem;
    color: #60a5fa;
}

.contact-link span {
    font-weight: 600;
    color: #f1f5f9;
}

/* Footer */
.footer {
    background: #0f172a;
    color: #64748b;
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid #334155;
}

/* 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-title {
        font-size: 2.5rem;
    }

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

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

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

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

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

    .contact-links {
        flex-direction: column;
        align-items: center;
    }

    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-marker {
        left: 5px;
    }

    .blog-post-expanded {
        padding: 2rem;
        margin: 1rem;
    }
}

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

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

    .project-card,
    .blog-card,
    .skill-category {
        padding: 1.5rem;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

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

.project-card,
.blog-card,
.skill-category,
.timeline-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar for blog post */
.blog-post-expanded::-webkit-scrollbar {
    width: 8px;
}

.blog-post-expanded::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

.blog-post-expanded::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.blog-post-expanded::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}