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

:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #1e293b;
    --accent-color: #06b6d4;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --background: #ffffff;
    --background-alt: #f8fafc;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--primary-dark));
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
    position: relative;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 16px;
}

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

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

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    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 a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Main Section */
.main-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--background) 0%, var(--background-alt) 100%);
    position: relative;
    overflow: hidden;
}

.main-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%233b82f6" fill-opacity="0.05"><circle cx="60" cy="60" r="1"/></g></svg>');
    z-index: 0;
}

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

.main-content {
    padding: 2rem 0;
}

.main-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.main-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.main-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

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

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--background);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.main-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-avatar {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    padding: 8px;
    overflow: hidden;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
}

.profile-avatar i {
    font-size: 8rem;
    color: white;
}

.main-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-down {
    color: var(--text-light);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    text-decoration: none;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* About Section */
.about {
    padding: 5rem 0;
    background: var(--background-alt);
}

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

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-text p {
    margin-bottom: 1.5rem;
}

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

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--background);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.stat h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.about-education {
    background: var(--background);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.about-education h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.education-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.institution {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.details {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.coursework h5 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.tag {
    background: var(--background-alt);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

/* Experience Section */
.experience {
    padding: 5rem 0;
}

.experience-timeline {
    margin-bottom: 4rem;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-marker {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    margin-top: 0.5rem;
    position: relative;
    flex-shrink: 0;
}

.timeline-marker::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100px;
    background: var(--border-color);
}

.timeline-content {
    flex: 1;
    background: var(--background);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-color);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 1rem;
}

.timeline-responsibilities {
    list-style: none;
    margin-bottom: 1.5rem;
}

.timeline-responsibilities li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.timeline-responsibilities li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 0.8rem;
}

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

.skill-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.certifications, .leadership {
    margin-bottom: 3rem;
}

.certifications h3, .leadership h3 {
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.cert-item {
    background: var(--background-alt);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.cert-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.cert-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cert-item h4 {
    color: var(--text-primary);
}

.leadership-items {
    display: grid;
    gap: 1.5rem;
}

.leadership-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--background);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--accent-color);
}

.leadership-item i {
    font-size: 2rem;
    color: var(--accent-color);
}

.leadership-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.leadership-item p {
    color: var(--text-secondary);
}

/* Projects Section */
.projects {
    padding: 5rem 0;
    background: var(--background-alt);
}

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

.project-card {
    background: var(--background);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.project-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.project-header h3 {
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.project-highlights {
    margin-bottom: 1.5rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.highlight-item i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

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

.tech-tag {
    background: var(--background-alt);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Skills Section */
.skills {
    padding: 5rem 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.skill-category i {
    color: var(--primary-color);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    background: var(--background-alt);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.skill-name {
    display: block;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 1s ease-in-out;
    width: 0;
}

.cloud-badges {
    text-align: center;
}

.cloud-badges h3 {
    margin-bottom: 2rem;
    color: var(--text-primary);
}

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

.badge-item {
    background: var(--background);
    padding: 2rem 1rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.badge-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.badge-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.badge-item span {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--background-alt);
}

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

.contact-info h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--background);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 30px;
}

.contact-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--primary-color);
}

.contact-form {
    background: var(--background);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--background);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* Footer */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

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

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

.footer-social a {
    color: white;
    font-size: 1.2rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--background);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

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

    .nav-toggle {
        display: flex;
    }

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

    .profile-avatar {
        width: 250px;
        height: 250px;
    }

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

    .main-buttons {
        justify-content: center;
    }

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

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

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

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

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

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }

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

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

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

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

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

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

    .main-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .main-social {
        justify-content: center;
    }

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

/* Animation for skill bars */
.skill-progress[data-progress="90"] { width: 90%; }
.skill-progress[data-progress="88"] { width: 88%; }
.skill-progress[data-progress="85"] { width: 85%; }
.skill-progress[data-progress="80"] { width: 80%; }
.skill-progress[data-progress="75"] { width: 75%; }

/* Smooth animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}