/* ===== VARIABLES ===== */
:root {
    /* Colors */
    --primary-color: #6e00ff;
    --secondary-color: #00e5ff;
    --accent-color: #ff00e5;
    --dark-bg: #0a0a14;
    --darker-bg: #05050a;
    --light-bg: #12121f;
    --text-primary: #ffffff;
    --text-secondary: #b3b3cc;
    --text-tertiary: #7575a3;
    --success-color: #00ff9d;
    --warning-color: #ffcc00;
    --error-color: #ff3366;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    --gradient-dark: linear-gradient(135deg, var(--dark-bg), var(--darker-bg));
    --gradient-glow: linear-gradient(135deg, rgba(110, 0, 255, 0.5), rgba(0, 229, 255, 0.5));
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(110, 0, 255, 0.5);
    --shadow-glow-accent: 0 0 20px rgba(255, 0, 229, 0.5);
    
    /* Typography */
    --font-primary: 'Orbitron', sans-serif;
    --font-secondary: 'Raleway', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-very-slow: 1s ease;
    
    /* Z-index layers */
    --z-background: -10;
    --z-normal: 1;
    --z-overlay: 10;
    --z-dropdown: 20;
    --z-fixed: 30;
    --z-modal: 40;
    --z-popover: 50;
    --z-tooltip: 60;
    --z-preloader: 999;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--dark-bg);
}

body {
    font-family: var(--font-secondary);
    background-color: var(--darker-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

a {
    text-decoration: none;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

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

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

button {
    cursor: pointer;
    font-family: var(--font-primary);
    border: none;
    outline: none;
    background: none;
}

input, textarea {
    font-family: var(--font-secondary);
    border: none;
    outline: none;
}

ul, ol {
    list-style: none;
}

/* ===== UTILITY CLASSES ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.highlight {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal);
}

.highlight:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: var(--z-normal);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%) rotate(45deg);
    transition: transform var(--transition-normal);
    z-index: -1;
}

.btn:hover::before {
    transform: translateX(100%) rotate(45deg);
}

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

.primary-btn:hover {
    box-shadow: var(--shadow-glow), 0 5px 15px rgba(110, 0, 255, 0.4);
    transform: translateY(-3px);
    color: var(--text-primary);
}

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

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    position: relative;
    border-radius: var(--radius-full);
}

.section-underline::before, 
.section-underline::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-color);
    transform: translateY(-50%);
    animation: pulse 2s infinite;
}

.section-underline::before {
    left: -15px;
    animation-delay: 0.5s;
}

.section-underline::after {
    right: -15px;
    animation-delay: 1s;
}

@keyframes pulse {
    0% {
        transform: translateY(-50%) scale(1);
        opacity: 1;
    }
    50% {
        transform: translateY(-50%) scale(1.5);
        opacity: 0.5;
    }
    100% {
        transform: translateY(-50%) scale(1);
        opacity: 1;
    }
}

/* ===== PRELOADER ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--darker-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-preloader);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loader .circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin: 0 10px;
    background: var(--primary-color);
    animation: loader 1.5s infinite ease-in-out;
}

.loader .circle:nth-child(2) {
    background: var(--secondary-color);
    animation-delay: 0.2s;
}

.loader .circle:nth-child(3) {
    background: var(--accent-color);
    animation-delay: 0.4s;
}

@keyframes loader {
    0%, 100% {
        transform: scale(0.5);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
}

/* ===== BACKGROUND CANVAS ===== */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    pointer-events: none;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(5, 5, 10, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 3rem;
    box-shadow: var(--shadow-md);
}

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

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: all var(--transition-normal);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
}

.bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-normal);
}

/* ===== HERO SECTION ===== */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    padding: 0 var(--spacing-lg);
    overflow: hidden;
}

.hero-content {
    max-width: 1000px;
    z-index: var(--z-normal);
    animation: fadeInUp 1s ease-out;
    margin-left: 5%;
}

.hero-layout {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    justify-content: center;
}

.hero-image {
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-main-image {
    max-width: 250px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-normal);
    filter: drop-shadow(0 0 20px rgba(110, 0, 255, 0.3));
}

.hero-main-image:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 30px rgba(110, 0, 255, 0.5));
}

.hero-text {
    flex: 1;
    text-align: left;
}

.hero-content h1 {
    font-family: var(--font-primary);
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.subtitle {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 2px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.hero-visual {
    position: absolute;
    right: 10%;
    width: 40%;
    height: 70%;
    z-index: var(--z-normal);
    top: 60%;
    transform: translateY(-50%);
}

.avatar-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeIn 2s ease-out 1s forwards;
    opacity: 0;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    position: relative;
    margin-bottom: var(--spacing-md);
}

.wheel {
    width: 6px;
    height: 6px;
    background-color: var(--text-primary);
    border-radius: 50%;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

.arrow-down {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.arrow-down span {
    display: block;
    width: 10px;
    height: 10px;
    border-bottom: 2px solid var(--text-secondary);
    border-right: 2px solid var(--text-secondary);
    transform: rotate(45deg);
    animation: arrowDown 2s infinite;
}

.arrow-down span:nth-child(2) {
    animation-delay: 0.2s;
}

.arrow-down span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes scrollWheel {
    0% {
        opacity: 1;
        top: 10px;
    }
    100% {
        opacity: 0;
        top: 30px;
    }
}

@keyframes arrowDown {
    0% {
        opacity: 0;
        transform: rotate(45deg) translate(-5px, -5px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: rotate(45deg) translate(5px, 5px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* ===== ABOUT SECTION ===== */
.about-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.about-text {
    flex: 1;
    min-width: 300px;
    margin-top: 120px;
}

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

.stats-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-item {
    flex: 1;
    min-width: 120px;
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(18, 18, 31, 0.5);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: opacity var(--transition-normal);
}

.stat-item:hover::before {
    opacity: 0.2;
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-container {
    flex: 1;
    min-width: 300px;
}

.timeline-container h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.timeline-dot {
    position: absolute;
    left: -40px;
    top: 5px;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
    z-index: 1;
}

.timeline-content {
    background: rgba(18, 18, 31, 0.5);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: opacity var(--transition-normal);
}

.timeline-content:hover::before {
    opacity: 0.2;
}

.timeline-content h4 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.timeline-content h5 {
    font-family: var(--font-secondary);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

/* ===== SKILLS SECTION ===== */
.skills-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--darker-bg);
    position: relative;
    overflow: hidden;
}

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

.skill-category {
    margin-bottom: var(--spacing-xl);
}

.skill-category h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    position: relative;
    display: inline-block;
    padding-bottom: var(--spacing-xs);
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50%;
    height: 2px;
    background: var(--gradient-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.skill-item {
    background: rgba(18, 18, 31, 0.5);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: opacity var(--transition-normal);
}

.skill-item:hover::before {
    opacity: 0.2;
}

.skill-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-svg-icon {
    width: 2.5rem;
    height: 2.5rem;
    filter: drop-shadow(0 0 10px var(--primary-color));
    transition: all var(--transition-normal);
}

.skill-item:hover .skill-icon {
    transform: scale(1.1);
    color: var(--secondary-color);
}

.skill-item:hover .skill-svg-icon {
    filter: drop-shadow(0 0 15px var(--secondary-color));
    transform: scale(1.1);
}

.skill-item h4 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.skill-level {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    width: 0;
    transition: width 1.5s ease-out;
}

/* ===== PROJECTS SECTION ===== */
.projects-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.projects-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    background: rgba(18, 18, 31, 0.5);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.project-card {
    background: rgba(18, 18, 31, 0.5);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.project-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

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

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

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

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

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

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.project-tech span {
    padding: 0.25rem 0.75rem;
    background: rgba(110, 0, 255, 0.2);
    color: var(--secondary-color);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-family: var(--font-primary);
}

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

.project-link {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 2px;
}

.project-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal);
}

.project-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 5, 10, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal-content {
    background: var(--dark-bg);
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.project-modal.active .modal-content {
    transform: scale(1);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.close-modal:hover {
    color: var(--error-color);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-xl);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--darker-bg);
    position: relative;
    overflow: hidden;
}

.testimonials-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
}

.testimonial-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    left: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    z-index: 1;
    pointer-events: none;
}

.prev-testimonial,
.next-testimonial {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(18, 18, 31, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    pointer-events: auto;
}

.prev-testimonial:hover,
.next-testimonial:hover {
    background: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.testimonials-slider {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: var(--spacing-xl);
    background: rgba(18, 18, 31, 0.5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translateX(100px);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.testimonial-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.05;
    transition: opacity var(--transition-normal);
}

.testimonial-slide.active {
    opacity: 1;
    transform: translateX(0);
}

.quote-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.testimonial-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

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

.author-info p {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.dot.active {
    background: var(--primary-color);
    box-shadow: var(--shadow-glow);
    transform: scale(1.2);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-info h3 {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.contact-details {
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: rgba(110, 0, 255, 0.2);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: all var(--transition-normal);
}

.contact-item:hover i {
    background: var(--primary-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.contact-item span {
    color: var(--text-secondary);
    font-size: 1rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(18, 18, 31, 0.5);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    font-size: 1.2rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.social-link:hover::before {
    opacity: 1;
}

.social-link:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.contact-form-container {
    flex: 1;
    min-width: 300px;
}

.contact-form {
    background: rgba(18, 18, 31, 0.5);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.05;
    transition: opacity var(--transition-normal);
}

.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md) 0;
    background: transparent;
    color: var(--text-primary);
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

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

.form-group label {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 1rem;
    transition: all var(--transition-normal);
    pointer-events: none;
    z-index: 0;
}

.form-group textarea ~ label {
    top: var(--spacing-md);
    transform: none;
}

.form-group input:focus ~ label,
.form-group textarea:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:valid ~ label {
    top: -10px;
    font-size: 0.8rem;
    color: var(--primary-color);
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--text-tertiary);
}

.form-line::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal);
}

.form-group input:focus ~ .form-line::after,
.form-group textarea:focus ~ .form-line::after {
    transform: scaleX(1);
    transform-origin: left;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
}

.submit-btn i {
    transition: transform var(--transition-normal);
}

.submit-btn:hover i {
    transform: translateX(5px);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--darker-bg);
    padding-top: var(--spacing-xl);
    position: relative;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    margin-bottom: var(--spacing-lg);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

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

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

.footer-bottom {
    background-color: rgba(5, 5, 10, 0.5);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ===== GLITCH EFFECT ===== */
.glitch-text {
    position: relative;
    animation: glitch 5s infinite;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.glitch-text::before {
    color: var(--primary-color);
    z-index: -1;
}

.glitch-text::after {
    color: var(--secondary-color);
    z-index: -2;
}

@keyframes glitch {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translate(-2px, 2px);
    }
    40% {
        transform: translate(-2px, -2px);
    }
    60% {
        transform: translate(2px, 2px);
    }
    80% {
        transform: translate(2px, -2px);
    }
    100% {
        transform: translate(0);
    }
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1200px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .hero-visual {
        width: 35%;
    }
}

@media (max-width: 992px) {
    .navbar {
        padding: 1rem 2rem;
    }
    
    .navbar.scrolled {
        padding: 0.8rem 2rem;
    }
    
    .hero-section {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding-top: 80px;
    }
    
    .hero-content {
        margin: 0 auto var(--spacing-xl);
        text-align: center;
    }
    
    .hero-layout {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-description {
        margin: 0 auto var(--spacing-xl);
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        position: relative;
        right: auto;
        width: 60%;
        height: 40%;
        margin-bottom: var(--spacing-xl);
    }
    
    .about-content,
    .contact-container {
        flex-direction: column;
    }
    
    .about-text,
    .timeline-container,
    .contact-info,
    .contact-form-container {
        margin-bottom: var(--spacing-xl);
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: var(--dark-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right var(--transition-normal);
        z-index: var(--z-dropdown);
    }

    .nav-links.nav-active {
        right: 0;
        box-shadow: var(--shadow-lg);
    }
    
    .menu-toggle {
        display: flex;
        z-index: var(--z-dropdown);
    }
    
    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .subtitle {
        font-size: 1.3rem;
    }
    
    .hero-main-image {
        max-width: 180px;
    }
    
    .hero-visual {
        width: 80%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-controls {
        display: none;
    }
    
    .testimonial-slide {
        padding: var(--spacing-lg);
    }
    
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: 1rem;
    }
    
    .navbar.scrolled {
        padding: 0.8rem 1rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-main-image {
        max-width: 140px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .stats-container {
        flex-direction: column;
    }
    
    .projects-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        text-align: center;
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
}