/* ===================================
   RESET & GLOBAL STYLES
   =================================== */

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

:root {
    /* Color Palette */
    --color-deep-indigo: #1a0f3f;
    --color-purple-dark: #2b1056;
    --color-violet-mid: #43125f;
    --color-violet-deep: #4b1c73;
    --color-accent-purple: #8b5cf6;
    --color-accent-pink: #ec4899;
    --color-accent-cyan: #06b6d4;
    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-code: 'Fira Code', monospace;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.4);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

/* Hide scrollbar for Chrome, Safari and Opera */
html::-webkit-scrollbar {
    display: none;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
    background: linear-gradient(
        to bottom,
        var(--color-deep-indigo) 0%,
        var(--color-purple-dark) 25%,
        var(--color-violet-mid) 75%,
        var(--color-violet-deep) 100%
    );
    background-attachment: fixed;
    position: relative;
}

/* Hide scrollbar for Chrome, Safari and Opera */
body::-webkit-scrollbar {
    display: none;
}

/* Universal scrollbar hiding for all elements */
* {
    scrollbar-width: none !important; /* Firefox */
    -ms-overflow-style: none !important; /* IE and Edge */
}

*::-webkit-scrollbar {
    display: none !important; /* Chrome, Safari, Opera */
    width: 0 !important;
    height: 0 !important;
}

/* Plus Pattern Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(0, 221, 255, 0.03) 40px, rgba(255, 255, 255, 0.03) 41px),
        repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(255, 255, 255, 0.03) 40px, rgba(255, 255, 255, 0.03) 41px);
    pointer-events: none;
    z-index: 1;
}

/* Container */
.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 2;
    overflow-x: hidden;
}

/* Section Spacing */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 2;
    width: 100%;
    overflow-x: hidden;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-accent-purple), var(--color-accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.8s ease;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    animation: fadeInUp 0.8s ease 0.2s both;
}

/* ===================================
   LOADER
   =================================== */

.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-deep-indigo);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loader-content {
    text-align: center;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(139, 92, 246, 0.2);
    border-top-color: var(--color-accent-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

.loader-text {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    letter-spacing: 2px;
}

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

/* ===================================
   NAVBAR
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 15, 63, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: transform var(--transition-normal);
}

.navbar.hidden {
    transform: translateY(-100%);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--color-text-primary);
    font-family: var(--font-code);
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-image {
    height: 40px;
    width: 40px;
    margin-right: 10px;
    vertical-align: middle;
    border-radius: 8px;
    transition: transform var(--transition-fast);
}

.logo:hover .logo-image {
    transform: scale(1.1) rotate(5deg);
}

.logo-bracket {
    color: var(--color-accent-purple);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-purple), var(--color-accent-pink));
    transition: width var(--transition-fast);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-left {
    animation: fadeInLeft 1s ease;
}

.hero-greeting {
    font-size: 1.3rem;
    color: var(--color-accent-purple);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.hero-name {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-role {
    font-size: 2rem;
    color: var(--color-accent-cyan);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    min-height: 60px;
}

.cursor {
    animation: blink 1s infinite;
}

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

.hero-description {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

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

/* Liquid Glass Button */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
}

.liquid-glass {
    background: rgba(139, 92, 246, 0.2);
    border: 2px solid rgba(139, 92, 246, 0.5);
    color: var(--color-text-primary);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(139, 92, 246, 0.3);
}

.liquid-glass::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.4) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.liquid-glass:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 48px rgba(139, 92, 246, 0.5), 0 0 60px rgba(139, 92, 246, 0.4);
    border-color: var(--color-accent-purple);
}

.liquid-glass:hover::before {
    opacity: 1;
    animation: glow-pulse 2s infinite;
}

@keyframes glow-pulse {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(180deg); }
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    background: transparent;
    border: 2px solid var(--color-accent-purple);
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    background: rgba(139, 92, 246, 0.1);
    transform: translateY(-3px);
}

/* Code Editor */
.hero-right {
    animation: fadeInRight 1s ease;
}

.code-editor {
    background: rgba(15, 10, 30, 0.6);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(139, 92, 246, 0.3);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.editor-header {
    background: rgba(20, 15, 40, 0.8);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.editor-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.editor-title {
    color: var(--color-text-secondary);
    font-family: var(--font-code);
    font-size: 0.9rem;
}

.editor-content {
    padding: var(--spacing-md);
    font-family: var(--font-code);
    font-size: 0.95rem;
    line-height: 1.8;
    min-height: 300px;
}

.editor-content code {
    color: var(--color-text-secondary);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 1.5rem;
}

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

/* ===================================
   PROJECTS SECTION
   =================================== */

.projects {
    background: rgba(0, 0, 0, 0.2);
}

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

.project-card {
    background: rgba(20, 15, 40, 0.6);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent-purple);
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.3);
}

.project-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-content {
    padding: var(--spacing-md);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.project-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

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

.tech-tag {
    padding: 0.3rem 0.8rem;
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid rgba(139, 92, 246, 0.4);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--color-accent-purple);
    font-weight: 500;
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.project-link:hover {
    background: rgba(139, 92, 246, 0.3);
    border-color: var(--color-accent-purple);
}

/* ===================================
   EXPERIENCE SECTION
   =================================== */

.experience-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent-purple), var(--color-accent-pink));
    transform: translateX(-50%);
}

.timeline {
    position: relative;
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item.left .timeline-content {
    grid-column: 1;
    text-align: right;
}

.timeline-item.right .timeline-content {
    grid-column: 2;
    text-align: left;
}

.timeline-content {
    background: rgba(20, 15, 40, 0.6);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(139, 92, 246, 0.2);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--color-accent-purple);
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.3);
    transform: scale(1.02);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 20px;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--color-accent-purple);
    border: 4px solid var(--color-deep-indigo);
    border-radius: 50%;
    z-index: 10;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
}

.timeline-date {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid rgba(139, 92, 246, 0.4);
    border-radius: var(--radius-sm);
    color: var(--color-accent-purple);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.timeline-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.timeline-company {
    font-size: 1.1rem;
    color: var(--color-accent-cyan);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.timeline-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===================================
   SKILLS SECTION
   =================================== */

.skills {
    background: rgba(0, 0, 0, 0.2);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.skill-card {
    background: rgba(20, 15, 40, 0.6);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(139, 92, 246, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent-purple);
    box-shadow: 0 15px 50px rgba(139, 92, 246, 0.3);
}

.skill-icon {
    font-size: 3rem;
    color: var(--color-accent-purple);
    transition: transform var(--transition-normal);
}

.skill-card:hover .skill-icon {
    transform: scale(1.2) rotate(5deg);
}

.skill-name {
    font-weight: 600;
    color: var(--color-text-primary);
    text-align: center;
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

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

.contact-item {
    background: rgba(20, 15, 40, 0.6);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(139, 92, 246, 0.2);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    text-decoration: none;
    color: var(--color-text-primary);
}

.contact-item:hover {
    border-color: var(--color-accent-purple);
    transform: translateX(10px);
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.3);
}

.contact-icon {
    font-size: 1.8rem;
    color: var(--color-accent-purple);
    min-width: 40px;
    text-align: center;
}

.contact-details h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--color-text-primary);
}

.contact-details p {
    color: var(--color-text-secondary);
}

.contact-form-wrapper {
    background: rgba(20, 15, 40, 0.6);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(139, 92, 246, 0.2);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(15, 10, 30, 0.6);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-purple);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

.form-group textarea {
    resize: vertical;
}

/* 3D Office Desk */
.office-desk-container {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    /* perspective: 1000px; */
}

.desk-3d {
    position: relative;
    width: 100%;
    max-width: 600px;
    transition: transform 0.1s ease-out;
    transform-style: preserve-3d;
}

.desk-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.4);
    transition: all var(--transition-normal);
    display: block;
}

.desk-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
    filter: blur(40px);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
    z-index: -1;
}

.desk-3d:hover .desk-image {
    box-shadow: 0 30px 80px rgba(139, 92, 246, 0.6);
}

.desk-3d:hover .desk-glow {
    opacity: 1;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: rgba(0, 0, 0, 0.4);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(139, 92, 246, 0.2);
}

.footer-content {
    text-align: center;
}

.footer-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-tagline i {
    color: var(--color-accent-pink);
}

/* ===================================
   ANIMATIONS
   =================================== */

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===================================
   UX/UI IMPROVEMENTS
   =================================== */

/* 1. Pulsing Resume Button */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 8px 32px rgba(139, 92, 246, 0.3);
    }
    50% {
        box-shadow: 0 8px 32px rgba(139, 92, 246, 0.6), 0 0 40px rgba(139, 92, 246, 0.4);
    }
}

#resumeBtn.liquid-glass {
    animation: pulse-glow 3s ease-in-out infinite;
}

/* 2. Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: rgba(139, 92, 246, 0.3);
    border: 2px solid rgba(139, 92, 246, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    backdrop-filter: blur(10px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: rgba(139, 92, 246, 0.5);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.5);
}

.back-to-top i {
    color: var(--color-text-primary);
    font-size: 1.2rem;
}

/* 3. Enhanced Project Image Hover */
.projects .project-card {
    overflow: hidden;
    position: relative;
}

.project-image {
    transition: transform 0.5s ease;
}

.projects .project-card:hover .project-image {
    transform: scale(1.15);
}

/* Removed "View Project" overlay - user preference */
/* .projects .project-card::after {
    content: 'View Project';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(139, 92, 246, 0.9);
    color: var(--color-text-primary);
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
    z-index: 10;
}

.projects .project-card:hover::after {
    opacity: 1;
} */


/* 4. Skill Card 3D Rotation */
.skill-card {
    transform-style: preserve-3d;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.skill-card:hover {
    transform: translateY(-10px) rotateY(10deg) rotateX(5deg);
}

.skill-icon {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.skill-card:hover .skill-icon {
    transform: scale(1.3) rotate(360deg);
}

/* 5. Enhanced Scroll Reveal with Stagger */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Stagger effect for multiple items */
.fade-in:nth-child(1) { transition-delay: 0.1s; }
.fade-in:nth-child(2) { transition-delay: 0.2s; }
.fade-in:nth-child(3) { transition-delay: 0.3s; }
.fade-in:nth-child(4) { transition-delay: 0.4s; }
.fade-in:nth-child(5) { transition-delay: 0.5s; }
.fade-in:nth-child(6) { transition-delay: 0.6s; }

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 968px) {
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-name {
        font-size: 3.5rem;
    }
    
    .hero-role {
        font-size: 1.8rem;
    }
    
    .timeline-line {
        left: 20px;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: 60px;
    }
    
    .timeline-item.left .timeline-content,
    .timeline-item.right .timeline-content {
        grid-column: 1;
        text-align: left;
    }
    
    .timeline-dot {
        left: 20px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(26, 15, 63, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-md);
        transition: left var(--transition-normal);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-name {
        font-size: 2.8rem;
    }
    
    .hero-role {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}