/* 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: #1a1a1a;
    background-color: #ffffff;
}

.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 a {
    font-size: 1.5rem;
    font-weight: 700;
    color: #6366f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-logo a:hover {
    color: #4f46e5;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #374151;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #6366f1;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #6366f1;
    transition: width 0.3s ease;
}

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

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    margin-left: 2rem;
}

.lang-btn {
    background: none;
    border: 2px solid #6366f1;
    color: #6366f1;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 60px;
}

.lang-btn:hover {
    background: #6366f1;
    color: white;
    transform: translateY(-2px);
}

.lang-btn.active {
    background: #6366f1;
    color: white;
}

.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: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%);
    color: #1a1a1a;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(34, 197, 94, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: #6366f1;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #6b7280;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.6s both;
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: #6366f1;
    border: 2px solid #6366f1;
}

.btn-secondary:hover {
    background-color: #6366f1;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.2);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease 0.8s both;
}

.profile-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid rgba(99, 102, 241, 0.2);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
    position: relative;
    transition: transform 0.3s ease;
}

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

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.profile-image::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 2px;
}

/* About Section */
.about {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

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

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #4b5563;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #6366f1;
    margin-bottom: 0.5rem;
}

.stat p {
    color: #6b7280;
    font-weight: 500;
}

/* Experience Section */
.experience-scroll {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding: 1rem 0;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.experience-scroll::-webkit-scrollbar {
    display: none;
}

.experience-card {
    min-width: 350px;
    max-width: 400px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #e5e7eb;
    overflow: hidden;
    flex-shrink: 0;
}

.experience-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
}

.experience-header {
    padding: 2rem 2rem 1rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid #e5e7eb;
}

.experience-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.experience-header h4 {
    font-size: 1rem;
    color: #6366f1;
    margin-bottom: 1rem;
    font-weight: 500;
}

.experience-meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.experience-date {
    color: #6b7280;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.experience-date::before {
    content: '📅';
    font-size: 0.8rem;
}

.experience-location {
    color: #6366f1;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.experience-location::before {
    content: '📍';
    font-size: 0.8rem;
}

.experience-content {
    padding: 1.5rem 2rem 2rem;
}

.experience-content ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.experience-content li {
    margin-bottom: 0.8rem;
    color: #4b5563;
    position: relative;
    padding-left: 1.2rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.experience-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #6366f1;
    font-weight: bold;
}

.experience-link {
    color: #6366f1;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: right;
    opacity: 0.8;
    transition: opacity 0.3s ease;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #f1f5f9;
}

.experience-card:hover .experience-link {
    opacity: 1;
}

/* Education Section */
.education {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.education-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem 0;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    top: 0;
}

.education-item {
    position: relative;
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
}

.education-item:nth-child(odd) {
    flex-direction: row;
}

.education-item:nth-child(even) {
    flex-direction: row-reverse;
}

.education-timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
    z-index: 2;
}

.education-card {
    width: 45%;
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #e5e7eb;
    position: relative;
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
}

.education-icon {
    font-size: 2.2rem;
    color: #6366f1;
    margin-bottom: 0.8rem;
    text-align: center;
}

.education-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.education-content h4 {
    font-size: 0.95rem;
    color: #6366f1;
    margin-bottom: 0.4rem;
    font-weight: 500;
}

.education-date {
    color: #6b7280;
    font-weight: 500;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
}

.education-location {
    color: #6366f1;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.8rem;
}

.education-summary {
    color: #4b5563;
    line-height: 1.5;
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
}

.education-link {
    color: #6366f1;
    font-weight: 600;
    font-size: 0.85rem;
    text-align: right;
    opacity: 0.8;
    transition: opacity 0.3s ease;
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 1px solid #f1f5f9;
}

.education-card:hover .education-link {
    opacity: 1;
}

/* Skills Section */
.skills-grid {
    display: flex;
    flex-direction: column;
    max-width: 800px;
    margin: 0 auto;
    gap: 1rem;
}

.skill-category {
    margin-bottom: 1rem;
}

.skill-category h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.8rem;
    border-bottom: 2px solid #6366f1;
    padding-bottom: 0.5rem;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-item {
    color: #4b5563;
    font-size: 1rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

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

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.contact-info p {
    font-size: 1.1rem;
    color: #4b5563;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: nowrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: white;
    color: #6366f1;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    white-space: nowrap;
}

.contact-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.2);
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    border-color: #6366f1;
}

.contact-link i {
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.5;
    }
}

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

    .language-switcher {
        margin-left: 1rem;
        position: relative;
        z-index: 1002;
    }

    .lang-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        min-width: 50px;
    }

    .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-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

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

    .education-item {
        flex-direction: row !important;
        margin-left: 50px;
    }

    .education-timeline-dot {
        left: 20px;
        transform: translateX(-50%);
    }

    .education-card {
        width: calc(100% - 50px);
        margin-left: 30px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

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

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

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

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

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

    .profile-image {
        width: 200px;
        height: 200px;
    }

    .container {
        padding: 0 15px;
    }

    .contact-links {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

/* Smooth page transitions */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-transition {
    animation: fadeIn 0.3s ease-out;
}

/* View transition support for modern browsers */
@supports (view-transition-name: none) {
    html {
        view-transition-name: none;
    }
    
    html[style*="view-transition-name: page"] {
        view-transition-name: page;
    }
}

/* Hide language switcher initially to prevent flickering */
.language-switcher {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.language-switcher.loaded {
    opacity: 1;
}