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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

.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);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    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;
    height: 70px;
}

.nav-logo h2 {
    color: #667eea;
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

.nav-menu li a:hover {
    color: #667eea;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.nav-menu li a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: #667eea;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 150px 0 100px;
    text-align: center;
    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 100" fill="white" opacity="0.1"><polygon points="0,0 1000,100 1000,0"/></svg>');
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 300;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: white;
    color: #667eea;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-3px);
}

/* Main Content */
.main-content {
    padding-top: 0;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

/* About Section */
.about-section {
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: center;
}

.about-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.about-text h3 {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 20px;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 30px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-item i {
    width: 20px;
    color: #667eea;
    font-size: 1.2rem;
}

.contact-item a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #667eea;
}

/* Education Section */
.education-section {
    background: #f8f9fa;
}

.education-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.education-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid #667eea;
}

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

.education-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.education-icon i {
    font-size: 2rem;
    color: white;
}

.education-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 10px;
}

.institution {
    color: #666;
    margin-bottom: 20px;
}

.institution-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.institution-link:hover {
    color: #764ba2;
}

/* Experience Section */
.experience-section {
    background: white;
}

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

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.experience-item {
    display: flex;
    gap: 30px;
    margin-bottom: 50px;
    position: relative;
}

.experience-icon {
    width: 100px;
    height: 100px;
    background: white;
    border: 4px solid #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.experience-icon i {
    font-size: 2rem;
    color: #667eea;
}

.experience-content {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    flex: 1;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.experience-content h3 {
    font-size: 1.5rem;
    color: #667eea;
    margin-bottom: 5px;
}

.experience-content h4 {
    font-size: 1.2rem;
    color: #764ba2;
    margin-bottom: 10px;
}

.experience-date {
    color: #666;
    font-style: italic;
    margin-bottom: 20px;
}

.experience-list {
    list-style: none;
}

.experience-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: #555;
}

.experience-list li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: #667eea;
}

/* Skills Section */
.skills-section {
    background: #f8f9fa;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
}

.skill-item {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.skill-item i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.skill-item:hover i {
    color: white;
}

.skill-item span {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Achievements Section */
.achievements-section {
    background: white;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.achievement-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

.achievement-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.achievement-icon i {
    font-size: 2rem;
    color: white;
}

.achievement-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 15px;
}

.achievement-card p {
    color: #666;
    line-height: 1.6;
}

/* Projects Section */
.projects-section {
    background: #f8f9fa;
}

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

.project-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

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

.project-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 30px auto 20px;
}

.project-icon i {
    font-size: 2rem;
    color: white;
}

.project-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 15px;
    padding: 0 30px;
}

.project-card p {
    color: #666;
    line-height: 1.6;
    padding: 0 30px;
    margin-bottom: 25px;
}

.project-links {
    display: flex;
    gap: 15px;
    padding: 0 30px 30px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #f8f9fa;
    color: #667eea;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.project-link:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* FAQ Section */
.faq-section {
    background: white;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #f8f9fa;
    border: none;
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.faq-item summary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 25px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    outline: none;
    transition: all 0.3s ease;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    float: right;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item summary:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.faq-item p {
    padding: 25px;
    color: #555;
    line-height: 1.6;
    margin: 0;
    background: white;
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

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

.contact-section .section-title::after {
    background: white;
}

.contact-content {
    text-align: center;
}

.contact-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-content > p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.contact-method:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.contact-method i {
    font-size: 1.5rem;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 40px 0;
}

.footer p {
    opacity: 0.8;
    font-size: 0.9rem;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        transition: left 0.3s ease;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

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

    .nav-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .experience-timeline::before {
        left: 25px;
    }

    .experience-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .experience-icon {
        width: 80px;
        height: 80px;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 20px;
    }

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

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

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

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

    .hero {
        padding: 120px 0 80px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

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

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}