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

:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #141414;
    --accent-bg: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --border-color: #2a2a2a;
    --gradient: linear-gradient(135deg, #3b82f6, #1d4ed8);
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
}

p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: var(--shadow);
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--secondary-bg);
    border-color: var(--accent-color);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.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: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    letter-spacing: -0.01em;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.hero-title {
    margin-bottom: 2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.hero-greeting {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.hero-role {
    display: block;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-focus {
    display: block;
    color: var(--text-primary);
}

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

.hero-image {
    display: flex;
    justify-content: center;
}

.image-container {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--accent-color);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.image-container:hover {
    transform: scale(1.05);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.hero-skills {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.skill-item {
    background: var(--secondary-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

.skill-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

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

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.view-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.view-link:hover {
    color: var(--accent-hover);
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--secondary-bg);
}

.about-content {
    display: grid;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.about-stats {
    display: grid;
    gap: 1rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

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

.about-text {
    margin-top: 2rem;
    max-width: 800px;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.education-info {
    background: var(--accent-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-top: 2rem;
}

.education-info h4 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
}

.education-info p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.education-info p:last-child {
    margin-bottom: 0;
}

.education-info strong {
    color: var(--text-primary);
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* Skills Section */
.skills {
    padding: 6rem 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skills-category {
    background: var(--accent-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.skills-category:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
}

.skills-category h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    background: var(--primary-bg);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.skill-tag:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

/* Works Section */
.works {
    padding: 6rem 0;
    background: var(--secondary-bg);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.work-item {
    background: var(--accent-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.work-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.work-image {
    height: 200px;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.work-placeholder {
    font-size: 3rem;
    color: var(--accent-color);
}

.work-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.work-content h3 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.work-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.6;
}

.work-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.work-tags span {
    background: var(--primary-bg);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--accent-color);
}

/* Experience Section */
.experience {
    padding: 6rem 0;
}

.timeline {
    max-width: 800px;
    margin: 0 auto 4rem;
}

.timeline-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 200px;
    top: 0;
    bottom: -3rem;
    width: 2px;
    background: var(--border-color);
    margin-left: -1px;
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 200px;
    top: 8px;
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    margin-left: -6px;
}

.timeline-date {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 1rem;
}

.timeline-content {
    background: var(--secondary-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.timeline-content h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.timeline-content p {
    margin-bottom: 1rem;
}

.timeline-location {
    display: flex;
    gap: 2rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.achievements {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.achievements h3 {
    margin-bottom: 2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.achievement-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.achievement-item {
    text-align: center;
}

.achievement-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.achievement-label {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--secondary-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--accent-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--accent-color);
    transform: translateX(5px);
}

.contact-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--accent-color);
}

.contact-details h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.contact-details p,
.contact-details a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-decoration: none;
}

.contact-details a:hover {
    color: var(--accent-color);
}

.contact-cta {
    background: var(--accent-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: center;
}

.contact-cta h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.contact-cta p {
    margin-bottom: 2rem;
}

.contact-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--primary-bg);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-contact a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.footer-social a:hover {
    color: var(--accent-color);
}

.footer-info {
    text-align: center;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.footer-info p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

.back-to-top {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.back-to-top:hover {
    color: var(--accent-color);
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out forwards;
}

/* Certifications Section */
.certifications {
    padding: 6rem 0;
    background: var(--secondary-bg);
}

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

.cert-category {
    background: var(--accent-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.cert-category:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
}

.cert-category h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cert-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cert-item {
    background: var(--primary-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.cert-item:hover {
    border-color: var(--accent-color);
    transform: translateX(5px);
}

.cert-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

.cert-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-skills {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .works-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .timeline-item::before,
    .timeline-item::after {
        display: none;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1rem;
    }
    
    .achievement-stats {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .contact-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .image-container {
        width: 250px;
        height: 250px;
    }
    
    .skill-item {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .education-info {
        padding: 1.5rem;
        margin-top: 1.5rem;
    }
    
    .education-info h4 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    
    .education-info strong {
        font-size: 1rem;
    }
}

@media (max-width: 1024px) {
    .certifications-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .timeline-item {
        grid-template-columns: 150px 1fr;
    }
}

/* Additional mobile fixes */
@media (max-width: 768px) {
    .hero-skills {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .skill-item {
        padding: 1.5rem;
    }
    
    .work-content {
        padding: 1.25rem;
    }
    
    .cert-category {
        padding: 1.5rem;
    }
    
    .contact-item {
        padding: 1.25rem;
    }
    
    .contact-cta {
        padding: 1.5rem;
    }
    
    .skills-cta {
        padding: 1.5rem;
    }
    
    .education-info {
        padding: 1.25rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
}

/* Loading animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Ensure proper z-index for navbar */
.navbar {
    z-index: 9999;
}

/* Fix for potential layout issues */
* {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

/* Ensure buttons work properly */
button, .btn-primary, .btn-secondary {
    cursor: pointer;
    user-select: none;
}

/* Accessibility improvements */
a:focus, button:focus, input:focus, textarea:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar, .footer, .hero-actions, .contact-form, .works-cta, .skills-cta {
        display: none !important;
    }
    
    body {
        color: black !important;
        background: white !important;
    }
    
    .hero, .about, .skills, .works, .experience, .certifications, .contact {
        page-break-inside: avoid;
    }
}