:root {
    --primary-color: #6c63ff;
    --secondary-color: #4d44db;
    --accent-color: #ff6584;
    --text-color: #333;
    --text-light: #777;
    --bg-color: #f9f9f9;
    --card-bg: #fff;
    --header-bg: rgba(255, 255, 255, 0.95);
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --primary-color: #7d76ff;
    --secondary-color: #5a52e0;
    --accent-color: #ff6584;
    --text-color: #f0f0f0;
    --text-light: #bbb;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --header-bg: rgba(30, 30, 30, 0.95);
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: var(--transition);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

.highlight {
    color: var(--primary-color);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(108, 99, 255, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(108, 99, 255, 0.2);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

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

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-text {
    display: inline-block;
    padding: 5px 10px;
    border: 2px solid var(--primary-color);
    border-radius: 5px;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li a {
    color: var(--text-color);
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.nav-links li a i {
    margin-right: 8px;
    font-size: 0.9rem;
}

.nav-links li a:hover {
    color: var(--primary-color);
}

.nav-links li a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-toggle i {
    font-size: 1.1rem;
    color: var(--text-light);
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .line {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px;
    transition: var(--transition);
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}
.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 3rem;
}

.hero-social {
    display: flex;
    gap: 20px;
}

.hero-social a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.hero-social a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.about-section {
    padding: 100px 0;
}

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

.about-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.about-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.skills-container {
    margin-top: 20px;
}

.skill-category {
    margin-bottom: 20px;
}

.skill-category h4 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background-color: rgba(108, 99, 255, 0.1);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
}

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

.certification-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
}

.certification-list li i {
    color: var(--primary-color);
    margin-right: 10px;
    margin-top: 3px;
}

.achievement-item {
    margin-bottom: 20px;
}

.achievement-item h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.achievement-meta {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.education-section {
    padding: 100px 0;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 20px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--primary-color);
    border-radius: 50%;
    top: 30px;
    z-index: 1;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-content {
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.timeline-date {
    color: var(--primary-color);
    font-weight: 500;
}

.timeline-meta {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.projects-section {
    padding: 100px 0;
}

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

.project-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.project-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.project-tech {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.project-links {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.experience-section {
    padding: 100px 0;
}

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

.experience-item {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.experience-date {
    color: var(--primary-color);
    font-weight: 500;
}

.experience-description {
    margin-bottom: 15px;
    color: var(--text-light);
}

.experience-details {
    list-style: none;
    margin-top: 15px;
}

.experience-details li {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
}

.experience-details li i {
    color: var(--primary-color);
    margin-right: 10px;
    margin-top: 3px;
}

.contact-section {
    padding: 100px 0;
}

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

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.contact-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-form {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(108, 99, 255, 0.2);
}

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

.footer {
    text-align: center;
    padding: 30px 0;
    background-color: var(--card-bg);
    color: var(--text-light);
    font-size: 0.9rem;
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--card-bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .nav-links li a {
        font-size: 1.2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .timeline::before {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-dot {
        left: 21px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}