@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --light-bg: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.2);
    --skill-frontend: #61dafb;
    --skill-backend: #68d391;
    --skill-tools: #f6ad55;
}

[data-theme="dark"] {
    --light-bg: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-light: #94a3b8;
    --white: #334155;
    --glass-bg: rgba(15, 23, 42, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

html {
    scroll-behavior: smooth;
}

/* Preloader Styles */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
    color: var(--white);
}

.logo-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
}

.logo-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: pulse 2s ease-in-out infinite;
}

.loading-circle {
    width: 120px;
    height: 120px;
    border: 3px solid rgba(99, 102, 241, 0.3);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.loading-text {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 2rem;
    opacity: 0.8;
    animation: fadeInOut 2s ease-in-out infinite;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 0.4; }
}

.progress-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    margin: 0 auto;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    animation: loading 3s ease-in-out infinite;
}

@keyframes loading {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

.preloader-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    animation: float-particle 6s ease-in-out infinite;
}

.particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    top: 60%;
    left: 20%;
    animation-delay: 1s;
}

.particle:nth-child(3) {
    top: 30%;
    right: 15%;
    animation-delay: 2s;
}

.particle:nth-child(4) {
    bottom: 20%;
    left: 30%;
    animation-delay: 0.5s;
}

.particle:nth-child(5) {
    bottom: 40%;
    right: 25%;
    animation-delay: 1.5s;
}

@keyframes float-particle {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 1;
    }
}

/* Theme Toggle */
.theme-toggle {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 1rem;
}

.theme-toggle:hover {
    transform: scale(1.05);
}

.theme-toggle-track {
    width: 50px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    position: relative;
    transition: all 0.3s ease;
}

.theme-toggle-thumb {
    width: 20px;
    height: 20px;
    background: var(--white);
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

[data-theme="dark"] .theme-toggle-thumb {
    transform: translateX(26px);
}

.sun-icon, .moon-icon {
    position: absolute;
    transition: all 0.3s ease;
}

.sun-icon {
    color: #fbbf24;
    opacity: 1;
}

.moon-icon {
    color: #6366f1;
    opacity: 0;
}

[data-theme="dark"] .sun-icon {
    opacity: 0;
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    padding: 0.5rem 2rem;
}

.nav-container {
     display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.nav-left {
    flex: 0 0 200px; 
    display: flex;
    align-items: center;
    justify-content: flex-start;
}
.logo img {
    height: 40px;
    width: auto;
    transition: all 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}
.nav-center {
    flex: 1; 
    display: flex;
    justify-content: center;
    align-items: center;
    position: static; 
    transform: none; 

}

.logo {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
    align-items: center;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    transition: width 0.3s ease;
}

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

.nav-controls {
    flex: 0 0 200px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" style="stop-color:%236366f1;stop-opacity:0.1"/><stop offset="100%" style="stop-color:%236366f1;stop-opacity:0"/></radialGradient></defs><circle cx="200" cy="200" r="150" fill="url(%23a)"/><circle cx="800" cy="300" r="200" fill="url(%23a)"/><circle cx="400" cy="700" r="180" fill="url(%23a)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-subtitle {
    color: var(--accent-color);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    opacity: 0;
    animation: slideUp 1s ease 0.2s forwards;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
    line-height: 1.1;
    opacity: 0;
    animation: slideUp 1s ease 0.4s forwards;
}

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

.hero-description {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    opacity: 0;
    animation: slideUp 1s ease 0.6s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    opacity: 0;
    animation: slideUp 1s ease 0.8s forwards;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-primary:hover::before {
    left: 0;
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.hero-image {
    position: relative;
    z-index: 2;
}

.profile-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    opacity: 0;
    animation: slideUp 1s ease 1s forwards;
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    position: relative;
    overflow: hidden;
}

.profile-image::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    z-index: -1;
    animation: rotate 3s linear infinite;
}

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

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

.profile-card h3 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.profile-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

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

/* About Section - Enhanced */
.about {
    padding: 5rem 2rem;
    background: var(--light-bg);
    transition: background-color 0.3s ease;
}

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

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

.section-title p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.about-content h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}
.about-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: start;
}

/* Left Column - Personal Info */
.about-content {
    background: var(--white);
    border-radius: 25px;
    padding: 3rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.about-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

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

.about-content h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.about-content > p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    font-size: 1.05rem;
}

.about-info {
    display: grid;
    gap: 1rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    padding: 1rem;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all 0.3s ease;
}
.info-item:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
    transform: translateX(5px);
}
.info-item i {
    color: var(--primary-color);
    width: 24px;
    font-size: 1.2rem;
}

/* Enhanced Skills Section */
.skills-section {
    max-width: 100%;
}

.skills-header {
    text-align: center;
    margin-bottom: 3rem;
}

.skills-header h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.skills-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.skills-categories {
    display: grid;
    gap: 3rem;
}

.skill-category {
    background: var(--white);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.skill-category:hover::before {
    opacity: 1;
}

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

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.category-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    animation: float-icon 3s ease-in-out infinite;
}

@keyframes float-icon {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.category-header h4 {
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    background: rgba(248, 250, 252, 0.5);
    padding: 1.5rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.skill-item:hover {
    background: rgba(99, 102, 241, 0.05);
    transform: translateY(-3px);
    border-color: rgba(99, 102, 241, 0.3);
}

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

.skill-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    transition: all 0.3s ease;
}

.skill-item:hover .skill-icon {
    transform: scale(1.1) rotate(5deg);
}

.skill-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.skill-percentage {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.skill-bar {
    height: 8px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.skill-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        rgba(99, 102, 241, 0.1) 0%, 
        rgba(99, 102, 241, 0.2) 50%, 
        rgba(99, 102, 241, 0.1) 100%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.skill-item:hover .skill-bar::before {
    opacity: 1;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skill-progress {
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 6px;
    width: 0;
    transition: all 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 100%);
    background-size: 200% 100%;
    animation: progress-shine 2s infinite;
}

@keyframes progress-shine {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Frontend category specific styles */
.skill-category:nth-child(1) .category-icon {
    background: linear-gradient(135deg, #61dafb, #21d4fd);
}

.skill-category:nth-child(1) .skill-progress {
    background: linear-gradient(135deg, #61dafb, #21d4fd);
}

/* Backend category specific styles */
.skill-category:nth-child(2) .category-icon {
    background: linear-gradient(135deg, #68d391, #38b2ac);
}

.skill-category:nth-child(2) .skill-progress {
    background: linear-gradient(135deg, #68d391, #38b2ac);
}

/* Tools category specific styles */
.skill-category:nth-child(3) .category-icon {
    background: linear-gradient(135deg, #f6ad55, #ed8936);
}

.skill-category:nth-child(3) .skill-progress {
    background: linear-gradient(135deg, #f6ad55, #ed8936);
}

/* Dark theme adjustments for skills */
[data-theme="dark"] .skill-category {
    background: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .skill-item {
    background: rgba(15, 23, 42, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .skill-item:hover {
    background: rgba(99, 102, 241, 0.1);
}

[data-theme="dark"] .category-header {
    border-color: rgba(255, 255, 255, 0.1);
}
/* start test  about*/
/* Enhanced Skills Section */
.skills-section {
    max-width: 100%;
}

.skills-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.skills-header h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.skills-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Skills Tabs Navigation */
.skills-tabs-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    background: rgba(99, 102, 241, 0.05);
    padding: 0.5rem;
    border-radius: 15px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.skill-tab-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    min-width: 120px;
    justify-content: center;
}

.skill-tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.skill-tab-btn > * {
    position: relative;
    z-index: 1;
}

.skill-tab-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.2);
}

.skill-tab-btn:hover::before {
    opacity: 0.1;
}

.skill-tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.skill-tab-btn.active::before {
    opacity: 1;
}

.tab-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.skill-tab-btn:hover .tab-icon {
    transform: scale(1.1) rotate(5deg);
}

.skill-tab-btn.active .tab-icon {
    transform: scale(1.1);
}

/* Skills Content */
.skills-content {
    position: relative;
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.skills-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px 20px 0 0;
}

.skill-tab-content {
    display: none;
    animation: fadeInUp 0.5s ease forwards;
}

.skill-tab-content.active {
    display: block;
}

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

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    background: rgba(248, 250, 252, 0.7);
    padding: 1.5rem;
    border-radius: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid rgba(99, 102, 241, 0.08);
    backdrop-filter: blur(10px);
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    border-radius: 15px;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.skill-item > * {
    position: relative;
    z-index: 1;
}

.skill-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
}

.skill-item:hover::before {
    opacity: 0.03;
}

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

.skill-icon {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
}

.skill-item:hover .skill-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.skill-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.05rem;
}

.skill-percentage {
    font-weight: 700;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    background-color: rgba(99, 102, 241, 0.1);
    position: relative;
}

.skill-percentage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 20px;
    z-index: -1;
}

.skill-bar {
    height: 8px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.skill-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        rgba(99, 102, 241, 0.1) 0%, 
        rgba(99, 102, 241, 0.2) 50%, 
        rgba(99, 102, 241, 0.1) 100%);
    background-size: 200% 100%;
    animation: shimmer 3s infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.skill-item:hover .skill-bar::after {
    opacity: 1;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 8px;
    width: 0;
    transition: all 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.4) 50%, 
        transparent 100%);
    background-size: 200% 100%;
    animation: progress-shine 2.5s infinite;
}

@keyframes progress-shine {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Tab-specific animations */
.skill-tab-content.active .skill-item {
    animation: slideInScale 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    opacity: 0;
    transform: translateY(20px) scale(0.9);
}

.skill-tab-content.active .skill-item:nth-child(1) { animation-delay: 0.1s; }
.skill-tab-content.active .skill-item:nth-child(2) { animation-delay: 0.2s; }
.skill-tab-content.active .skill-item:nth-child(3) { animation-delay: 0.3s; }
.skill-tab-content.active .skill-item:nth-child(4) { animation-delay: 0.4s; }
.skill-tab-content.active .skill-item:nth-child(5) { animation-delay: 0.5s; }
.skill-tab-content.active .skill-item:nth-child(6) { animation-delay: 0.6s; }
.skill-tab-content.active .skill-item:nth-child(7) { animation-delay: 0.7s; }

@keyframes slideInScale {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Dark theme adjustments for skills tabs */
[data-theme="dark"] .skills-content {
    background: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .skill-item {
    background: rgba(15, 23, 42, 0.4);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .skill-item:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .skills-tabs-nav {
    background: rgba(15, 23, 42, 0.5);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .skills-tabs-nav {
        flex-direction: column;
        gap: 0.5rem;
        padding: 1rem;
    }
    
    .skill-tab-btn {
        min-width: auto;
        width: 100%;
        justify-content: flex-start;
    }
    
    .skills-content {
        padding: 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .skill-item {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .skills-header h3 {
        font-size: 1.7rem;
    }
    
    .skill-icon {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .skill-name {
        font-size: 0.95rem;
    }
    
    .skill-percentage {
        font-size: 0.9rem;
        padding: 0.2rem 0.6rem;
    }
}
/* End test about */
/* CV Section */
.cv-section {
    padding: 5rem 2rem;
    background: var(--white);
    transition: background-color 0.3s ease;
}

.cv-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.cv-info {
    text-align: left;
}

.cv-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    animation: bounce 2s infinite;
}

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

.cv-icon i {
    font-size: 2rem;
    color: var(--white);
}

.cv-info h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

.cv-details {
    margin-bottom: 2rem;
}

.cv-detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.cv-detail-item i {
    color: var(--primary-color);
    width: 20px;
}

.cv-download-btn {
    font-size: 1.1rem;
    padding: 1rem 2rem;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
    transition: all 0.3s ease;
}

.cv-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.cv-preview {
    display: flex;
    justify-content: center;
    align-items: center;
}

.cv-mockup {
    position: relative;
    transform: perspective(1000px) rotateY(-15deg) rotateX(10deg);
    transition: all 0.3s ease;
}

.cv-mockup:hover {
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg) scale(1.05);
}

.cv-page {
    width: 300px;
    height: 400px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    padding: 2rem;
    position: relative;
    z-index: 2;
}

.cv-header {
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
    margin-bottom: 1.5rem;
}

.cv-content-preview {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cv-line {
    height: 12px;
    background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
    background-size: 200px 100%;
    border-radius: 6px;
    animation: shimmer 2s infinite linear;
}

.cv-line.short {
    width: 60%;
}

.cv-line.medium {
    width: 80%;
}

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.cv-shadow {
    position: absolute;
    top: 10px;
    left: -10px;
    width: 300px;
    height: 400px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    z-index: 1;
    filter: blur(10px);
}

/* Services Section */
.services {
    padding: 5rem 2rem;
    background: var(--light-bg);
    transition: background-color 0.3s ease;
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: left 0.3s ease;
    z-index: 0;
}

.service-card:hover::before {
    left: 0;
}

.service-card:hover {
    transform: translateY(-10px);
    color: var(--white);
    box-shadow: var(--shadow-hover);
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.service-card:hover .service-icon {
    color: var(--white);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.service-card:hover h3 {
    color: var(--white);
}

.service-card p {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.service-card:hover p {
    color: var(--white);
}

/* Portfolio Section */
.portfolio {
    padding: 5rem 2rem;
    background: var(--white);
    transition: background-color 0.3s ease;
}

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

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: var(--light-bg);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

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

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.view-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: 1rem;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.view-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.portfolio-content {
    padding: 1.5rem;
}

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

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

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

.portfolio-link {
    padding: 0.5rem 1rem;
    border-radius: 25px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.portfolio-link.primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.portfolio-link.secondary {
    background: transparent;
    color: var(--primary-color);      
    border: 1px solid var(--primary-color);
}

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

/* Portfolio Gallery Modal */
.gallery-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.gallery-modal.active {
    opacity: 1;
    visibility: visible;
}

.gallery-container {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.gallery-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    border: none;
    padding: 10px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.gallery-close:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.gallery-content {
    display: flex;
    height: 70vh;
}

.gallery-image {
    flex: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    position: relative;
}

.gallery-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.gallery-info {
    flex: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--white);
}

.gallery-info h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.gallery-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
    font-size: 1.1rem;
}

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

.gallery-navigation {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.gallery-prev,
.gallery-next {
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    border: none;
    padding: 1rem;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-prev:hover,
.gallery-next:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.gallery-thumbnails {
    padding: 1rem;
    background: var(--light-bg);
}

.thumbnails-container {
    display: flex;
    gap: 10px;
    justify-content: center;
    overflow-x: auto;
    padding: 10px 0;
}

.thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    opacity: 0.6;
}

.thumbnail:hover,
.thumbnail.active {
    opacity: 1;
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
}

/* Contact Section */
.contact {
    padding: 5rem 2rem;
    background: var(--dark-bg);
    color: var(--white);
}

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

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

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

.contact-form {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--white);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-message {
    margin-bottom: 1rem;
    padding: 0.5rem;
    border-radius: 5px;
    text-align: center;
    font-weight: 500;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    padding: 2rem;
    text-align: center;
    color: var(--text-light);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass-bg);
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
    }

    .nav-left {
        flex: 0 0 auto;
        order: 1;
    }

    .nav-controls {
        flex: 0 0 auto;
        order: 2;
        width: auto;
        gap: 0.5rem;
    }

    .nav-center {
        flex: 1 1 100%; 
        order: 3;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-bg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 1rem 0;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }

    .nav-center.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-menu {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        text-align: center;
        padding: 0 2rem;
    }
    .nav-link {
        padding: 0.5rem 1rem;
        border-radius: 8px;
        transition: all 0.3s ease;
        width: 100%;
        display: block;
    }

    .nav-link:hover {
        background: rgba(99, 102, 241, 0.1);
    }

    .theme-toggle {
        scale: 0.9;
        margin-right: 0;
    }

    .logo img {
        height: 35px;
    }
    
    .menu-toggle {
        display: block;
    }

    .theme-toggle {
        margin-right: 0.5rem;
        scale: 0.8;
    }

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

    .hero-title {
        font-size: 2.5rem;
    }
    .about-content h3 {
        font-size: 1.6rem;
    }
    
    .about-content > p {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .info-item {
        padding: 0.8rem;
        font-size: 0.95rem;
    }
    
    .info-item i {
        font-size: 1.1rem;
        width: 22px;
    }
    .about-grid,
    .contact-grid,
    .cv-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cv-preview {
        order: -1;
        margin-bottom: 2rem;
    }

    .cv-info {
        text-align: center;
    }

    .gallery-content {
        flex-direction: column;
        height: auto;
    }

    .gallery-image {
        height: 50vh;
    }

    .gallery-info {
        flex: none;
    }

    .gallery-navigation {
        top: 25%;
    }

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

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

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

    .skills-categories {
        gap: 2rem;
    }
}

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

    .section-title h2 {
        font-size: 2rem;
    }

    .portfolio-links {
        flex-direction: column;
    }

    .hero-buttons {
        flex-direction: column;
    }
    .about-content {
        padding: 2rem 1.5rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }
    
    .about-content > p {
        font-size: 0.95rem;
        line-height: 1.5;
        margin-bottom: 2rem;
    }
    
    .info-item {
        padding: 0.7rem;
        font-size: 0.9rem;
        gap: 0.8rem;
        border-radius: 10px;
    }
    
    .info-item i {
        font-size: 1rem;
        width: 20px;
        min-width: 20px;
    }
    
    .info-item span {
        line-height: 1.4;
    }
    
    .info-item span strong {
        display: inline-block;
        margin-right: 0.3rem;
    }
    .gallery-container {
        max-width: 95vw;
        max-height: 95vh;
    }

    .thumbnails-container {
        gap: 5px;
    }

    .thumbnail {
        width: 60px;
        height: 45px;
    }

    .skill-category {
        padding: 1.5rem;
    }

    .category-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}
/* Extra small screens */
@media (max-width: 360px) {
    .about-content {
        padding: 1.5rem 1rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .about-content > p {
        font-size: 0.9rem;
    }
    
    .info-item {
        padding: 0.6rem;
        font-size: 0.85rem;
    }
    
    .info-item i {
        font-size: 0.95rem;
        width: 18px;
        min-width: 18px;
    }
}
/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Additional animations */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

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

/* Dark theme adjustments for gallery */
[data-theme="dark"] .gallery-container {
    background: var(--dark-bg);
}

[data-theme="dark"] .gallery-info {
    background: var(--dark-bg);
}

[data-theme="dark"] .gallery-image {
    background: var(--darker-bg);
}

[data-theme="dark"] .thumbnails-container {
    background: var(--darker-bg);
}

/* Loading states */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading-shimmer 1.5s infinite;
}

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

/* Custom selection */
::selection {
    background: var(--primary-color);
    color: var(--white);
}

::-moz-selection {
    background: var(--primary-color);
    color: var(--white);
}

/* Focus styles for accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus,
.nav-link:focus,
.social-link:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.typing-cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Smooth transitions for theme switching */
* {
    transition-property: background-color, border-color, color, box-shadow;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}