/* Root Variables */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #10b981;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --bg-primary: #0a0f1a;
    --bg-secondary: #161b22;
    --bg-card: #1c1f26;
    --border-color: #374151;
    --shadow: rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
}

/* Light Theme */
body.light-theme {
    --primary-color: #4f46e5;
    --secondary-color: #7c3aed;
    --accent-color: #059669;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --bg-primary: #f9fafb;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

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

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

body.light-theme header {
    background-color: rgba(255, 255, 255, 0.95);
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    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;
    gap: 2rem;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

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

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: var(--transition);
    box-shadow: 0 4px 15px var(--shadow);
}

.theme-toggle:hover {
    transform: rotate(180deg);
    background: var(--primary-color);
    color: white;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 50px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.1;
    top: -200px;
    right: -200px;
    animation: float 20s infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    50% {
        transform: translate(50px, 50px) rotate(180deg);
    }
}

.hero-content {
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    min-height: 60px;
}

.typing-text {
    border-right: 2px solid var(--primary-color);
    animation: blink 0.7s infinite;
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

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

.hero-social a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bg-card);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.2rem;
}

.hero-social a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

.hero-image {
    display: flex;
    justify-content: center;
}

.image-wrapper {
    position: relative;
    width: 350px;
    height: 350px;
}

.image-wrapper::before {
    content: '';
    position: absolute;
    inset: -10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    animation: rotate 10s linear infinite;
    z-index: -1;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid var(--bg-primary);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--text-secondary);
    font-size: 1.5rem;
}

@keyframes bounce {

    0%,
    100% {
        transform: translate(-50%, 0);
    }

    50% {
        transform: translate(-50%, 10px);
    }
}

/* Section Styles */
section {
    padding: 80px 20px;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    gap: 3rem;
}

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

.about-intro,
.about-mission {
    margin-bottom: 1.5rem;
}

.tech-stack {
    margin-top: 2rem;
}

.tech-stack h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.tech-icons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 10px;
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px var(--shadow);
}

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

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

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 15px;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px var(--shadow);
}

.stat-number {
    font-size: 3rem;
    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;
}

.stat-label {
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Skills Section */
.skills {
    background: var(--bg-primary);
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
}

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

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.skill-bar {
    height: 10px;
    background: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    width: 0;
    transition: width 1.5s ease;
    border-radius: 10px;
}

/* Projects Section */
.projects {
    background: var(--bg-secondary);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.project-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

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

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: white;
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.project-link:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.project-content {
    padding: 1.5rem;
}

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

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

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

/* Hobbies Section */
.hobby {
    background: var(--bg-primary);
}

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

.hobby-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
}

.hobby-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow);
}

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

.hobby-card h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.hobby-card p {
    color: var(--text-secondary);
}

/* Certifications Section */
.certification {
    background: var(--bg-secondary);
}

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

.certification-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.certification-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow);
}

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

.certification-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.cert-issuer {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.cert-image-wrapper {
    margin: 1.5rem 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 15px var(--shadow);
}

.cert-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.certification-card:hover .cert-image-wrapper img {
    transform: scale(1.05);
}

.cert-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* Testimonials Section */
.testimonials {
    background: var(--bg-primary);
}

.testimonials-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-slider {
    overflow: hidden;
    border-radius: 15px;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-card {
    min-width: 100%;
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.testimonial-card.active {
    opacity: 1;
}

.testimonial-content {
    margin-bottom: 2rem;
}

.testimonial-content i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.testimonial-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-info h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.author-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.testimonial-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.testimonial-nav:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.testimonial-nav.prev {
    left: -60px;
}

.testimonial-nav.next {
    right: -60px;
}

.testimonial-indicators {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--primary-color);
    width: 30px;
    border-radius: 10px;
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-details h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-details a,
.contact-details p {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-social {
    margin-top: 1rem;
}

.contact-social h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bg-card);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.2rem;
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

.contact-form {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

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

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

.error-message {
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: none;
}

.form-group.error .error-message {
    display: block;
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ef4444;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(99, 102, 241, 0.4);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-loading {
    display: none;
}

.submit-btn.loading .btn-text {
    display: none;
}

.submit-btn.loading .btn-loading {
    display: inline;
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-status.success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid #10b981;
    display: block;
}

.form-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid #ef4444;
    display: block;
}

/* Footer */
footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.footer-links-grid a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links-grid a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.1rem;
}

.footer-social a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.footer-bottom p {
    margin: 0.5rem 0;
}

.footer-bottom i {
    color: #ef4444;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    transition: var(--transition);
    z-index: 998;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.scroll-to-top.visible {
    display: flex;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-card);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px var(--shadow);
        padding: 2rem 0;
        gap: 1rem;
    }

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

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-subtitle {
        font-size: 1.5rem;
    }

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

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

    .image-wrapper {
        width: 250px;
        height: 250px;
    }

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

    .testimonial-nav.prev {
        left: 10px;
    }

    .testimonial-nav.next {
        right: 10px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

@media (max-width: 600px) {
    .hero-title {
        font-size: 1.8rem;
    }

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

    .project-container,
    .skills-container,
    .hobby-container {
        grid-template-columns: 1fr;
    }

    .testimonial-card {
        padding: 2rem 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}