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

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --text-color: #e0e0e0;
    --text-light: #b0b0b0;
    --light-bg: #2a2a3e;
    --dark-bg: #1a1a2e;
    --border-color: #3a3a4e;
    --card-bg: #252541;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    background: var(--dark-bg);
}

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    background: var(--card-bg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 100px 20px;
    text-align: center;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    animation: slideInUp 0.8s ease;
}

.profile-image-container {
    margin-bottom: 2rem;
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.8s ease;
}

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

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    animation: fadeIn 0.8s ease 0.2s backwards;
}

.tech-badge {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.tech-badge:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* About Section */
.about {
    padding: 60px 20px;
    background: var(--dark-bg);
}

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

.about-content {
    max-width: 700px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-light);
}

.experience-badge {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    width: fit-content;
}

.exp-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
}

.exp-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* Projects Section */
.projects {
    padding: 60px 20px;
    background: var(--dark-bg);
}

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

.project-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.project-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--light-bg);
}

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

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

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.project-info p {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: var(--light-bg);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.project-link:hover {
    color: var(--secondary-color);
}

/* Skills Section */
.skills {
    padding: 60px 20px;
    background: var(--dark-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.skill-category {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.skill-category li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.contact {
    padding: 60px 20px;
    background: var(--dark-bg);
}

.contact-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
    align-items: start;
}

.contact-form {
    display: flex;
    flex-direction: column;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--light-bg);
    color: var(--text-color);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(102, 126, 234, 0.1);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link {
    display: inline-block;
    padding: 12px 20px;
    background: var(--light-bg);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
}

.social-link:hover {
    background: transparent;
    border-color: var(--primary-color);
    transform: translateX(5px);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    text-align: center;
    padding: 2rem 20px;
    margin-top: 3rem;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--card-bg);
        padding: 1rem;
        gap: 1rem;
    }

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

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

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

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

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

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

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .nav-logo {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.5rem;
    }
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

/* Tech Stack with Progress */
.tech-stack-with-progress {
    display: flex;
    flex-direction: row;
    gap: 25px;
    width: 100%;
    max-width: 600px;
    margin: 30px auto;
    animation: slideInUp 0.6s ease forwards;
    align-items: stretch;
    flex-wrap: wrap;
    justify-content: center;
}

.tech-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    animation: slideInUp 0.6s ease forwards;
    flex: 1;
    min-width: 150px;
}

.tech-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
}

.tech-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(76, 175, 80, 0.2);
    border: 1px solid rgba(76, 175, 80, 0.5);
    border-radius: 25px;
    color: #4CAF50;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.tech-percentage {
    font-weight: 700;
    font-size: 1.1rem;
    color: #4CAF50;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #45a049);
    border-radius: 10px;
    transition: width 0.5s ease;
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

@media (max-width: 768px) {
    .tech-stack-with-progress {
        gap: 20px;
        margin: 20px auto;
    }
    
    .tech-badge {
        font-size: 0.85rem;
        padding: 6px 14px;
    }
    
    .tech-percentage {
        font-size: 1rem;
    }
    
    .progress-bar {
        height: 6px;
    }
}

@media (max-width: 480px) {
    .tech-stack-with-progress {
        gap: 18px;
        margin: 15px auto;
    }
    
    .tech-badge {
        font-size: 0.8rem;
        padding: 5px 12px;
    }
    
    .tech-percentage {
        font-size: 0.95rem;
    }
    
    .progress-bar {
        height: 5px;
    }
}