/*  CSS RESET & BASE STYLES  */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

/*  CSS VARIABLES  */
:root {
    /* Colors */
    --primary-color: #0834fa;
    --secondary-color: #18e314;
    --accent-color: #06b6d4;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #ffffff;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e5e7eb;
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-secondary: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    --gradient-text: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    
    /* Typography */
    --font-family: 'Poppins', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}
/* = BASE STYLES  */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* = TYPOGRAPHY  */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* = UTILITY CLASSES = */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.section-title span {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow-medium);
}

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

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-2px);
}

/* ===== HEADER STYLES ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
   
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 2px var(--gradient-primary);
    z-index: 1000;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-light);
}

[data-theme="dark"] .header {
    background: rgba(15, 23, 42, 0.95);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
}
.logo{
     background: rgba(255, 255, 255, 0.95);
}
.logo a {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

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

.nav {
    background-color: var(--gradient-primary);
    padding-left: 20%;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-list {
    padding-top: 10px;
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Theme Toggle */
.theme-toggle {
    position: relative;
}

.theme-checkbox {
    display: none;
}

.theme-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 50px;
    height: 25px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    padding: 3px;
    cursor: pointer;
    transition: background var(--transition-base);
}

.theme-checkbox:checked + .theme-label {
    background: var(--primary-color);
}



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

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

.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);
}

/* = HOME SECTION  */
.home {
    background-image: url('https://cdn.pixabay.com/video/2024/03/01/202587-918431513_large.mp4');
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.home::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    z-index: -1;
}

.home-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.home-text h3 {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.home-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.home-text h2 {
    font-size: var(--font-size-2xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.home-text p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
}

.social-media {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.social-media a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.social-media a:hover {
    background: var(--gradient-primary);
    color: var(--text-light);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.home-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Profile Image */
.home-image {
    padding-top: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid var(--bg-primary);
    box-shadow: var(--shadow-large);
    transition: all var(--transition-slow);
}

.profile-border {
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    border-radius: 50%;
    background: var(--gradient-primary);
    z-index: -1;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

/* Scroll Down Indicator */
.scroll-down {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-down a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border-radius: 50%;
    font-size: var(--font-size-xl);
}

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

/*  ABOUT SECTION  */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.about-text p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

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

.stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
}

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

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.about-image {
    position: relative;
}

.about-img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
}

/*  SKILLS SECTION  */
.skills {
    padding: var(--spacing-3xl) 0;
}

.skills-content {
    display: grid;
    gap: var(--spacing-2xl);
}

.skills-category h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.skill-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
}

.skill-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.skill-icon {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
}

.skill-info {
    flex: 1;
}

.skill-info h4 {
    margin-bottom: var(--spacing-xs);
}

.skill-bar {
    width: 100%;
    height: 12px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.skill-progress {
    height: 100%;
    border-radius: var(--radius-full);
    width: 0;
    transition: width 2s ease-in-out;
    position: relative;
    overflow: hidden;
}

/* Individual skill colors with gradients */
.skill-item:nth-child(1) .skill-progress {
    background: linear-gradient(90deg, #ff6b6b, #ee5a24);
    box-shadow: 0 2px 10px rgba(255, 107, 107, 0.3);
}

.skill-item:nth-child(2) .skill-progress {
    background: linear-gradient(90deg, #4ecdc4, #44a08d);
    box-shadow: 0 2px 10px rgba(78, 205, 196, 0.3);
}

.skill-item:nth-child(3) .skill-progress {
    background: linear-gradient(90deg, #45b7d1, #96ceb4);
    box-shadow: 0 2px 10px rgba(69, 183, 209, 0.3);
}

.skill-item:nth-child(4) .skill-progress {
    background: linear-gradient(90deg, #f9ca24, #f0932b);
    box-shadow: 0 2px 10px rgba(249, 202, 36, 0.3);
}

/* Animation effect for skill bars */
.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Skill progress animation on scroll */
.skill-progress[data-width="95%"] {
    width: 95%;
}

.skill-progress[data-width="90%"] {
    width: 90%;
}

.skill-progress[data-width="85%"] {
    width: 85%;
}

.skill-progress[data-width="75%"] {
    width: 75%;
}

.skill-progress[data-width="35%"] {
    width: 35%;
}.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.tech-item:hover {
    background: var(--gradient-primary);
    color: var(--text-light);
    transform: translateY(-3px);
}

.tech-item i {
    font-size: var(--font-size-2xl);
}

/* ===== EDUCATION SECTION ===== */
.education {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.education-content {
    max-width: 800px;
    margin: 0 auto;
}

.education-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
}

.education-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.education-icon {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
    margin-top: var(--spacing-xs);
}

.education-info h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.education-info h4 {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.education-date {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.cv-download {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--gradient-primary);
    color: var(--text-light);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
}

.cv-download h3 {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.cv-download p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.cv-download .btn {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cv-download .btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ===== INTERESTS SECTION ===== */
.interests {
    padding: var(--spacing-3xl) 0;
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.interest-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
}

.interest-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.interest-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border-radius: 50%;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.interest-item h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

/* ===== PROJECTS SECTION ===== */
.projects {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

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

.project-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

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

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border-radius: 50%;
    font-size: var(--font-size-xl);
    transition: all var(--transition-base);
}

.project-link:hover {
    transform: scale(1.1);
}

.project-info {
    padding: var(--spacing-lg);
}

.project-info h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.project-info p {
    margin-bottom: var(--spacing-md);
}

.project-tech {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.project-tech span {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gradient-primary);
    color: var(--text-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-3xl) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.contact-info p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border-radius: 50%;
    font-size: var(--font-size-xl);
}

.contact-text h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

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

.form-group label {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    pointer-events: none;
    transition: all var(--transition-base);
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    background: var(--bg-primary);
    padding: 0 var(--spacing-xs);
}

.contact-form .btn {
    align-self: flex-start;
    margin-top: var(--spacing-sm);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-lg) 0;
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    transform: translateY(-2px);
}

/*  RESPONSIVE DESIGN  */
@media (max-width: 1024px) {
    .home-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .profile-container {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-list {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-medium);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-list.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .theme-toggle {
        order: -1;
    }
    
    .home {
        padding: var(--spacing-2xl) 0;
    }
    
    .home-text {
        order: 2;
    }
    
    .home-image {
        order: 1;
        margin-bottom: var(--spacing-lg);
    }
    
    .profile-container {
        width: 250px;
        height: 250px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .interests-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .home-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        max-width: 200px;
    }
    
    .profile-container {
        width: 200px;
        height: 200px;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .education-item {
        flex-direction: column;
        text-align: center;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* Loading animation for skill bars */
.skill-progress.animate {
    animation: fillBar 2s ease-in-out forwards;
}

@keyframes fillBar {
    from {
        width: 0;
    }
    to {
        width: var(--target-width);
    }
}