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

html {
    scroll-behavior: smooth;
}

/* CSS Variables for Theme Colors */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111;
    --bg-tertiary: #1a1a1a;
    --text-primary: #fff;
    --text-secondary: #a0a0a0;
    --text-dark: #333;
    --card-bg: linear-gradient(145deg, #1a1a1a, #2a2a2a);
    --border-color: rgba(102, 126, 234, 0.1);
    --accent-primary: #667eea;
    --accent-secondary: #764ba2;
}

/* Light Theme */
body.light-theme {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-dark: #333;
    --card-bg: linear-gradient(145deg, #ffffff, #f8f9fa);
    --border-color: rgba(102, 126, 234, 0.2);
}

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

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

/* Gradient Text */
.gradient-text {
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

body.light-theme .navbar {
    background: rgba(248, 249, 250, 0.95);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

body.light-theme .navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-link:hover {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #a0a0a0;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
}

.stat-label {
    font-size: 0.9rem;
    color: #a0a0a0;
}

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

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: #fff;
    transform: translateY(-2px);
}

/* Floating Elements */
.hero-visual {
    position: relative;
    height: 500px;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.float-element {
    position: absolute;
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.float-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.float-2 {
    top: 20%;
    right: 20%;
    animation-delay: 1.5s;
}

.float-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 3s;
}

.float-4 {
    bottom: 10%;
    right: 10%;
    animation-delay: 4.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-20px) rotate(5deg);
    }
    66% {
        transform: translateY(20px) rotate(-5deg);
    }
}

/* Section Styles */
section {
    padding: 80px 0;
    position: relative;
}

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

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

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

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

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

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

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.detail-item {
    padding: 1rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.detail-item strong {
    color: #667eea;
    display: block;
    margin-bottom: 0.5rem;
}

/* Ensure proper contrast in both themes */
.about-details .detail-item {
    color: var(--text-primary);
}

.about-details .detail-item strong {
    color: #667eea;
    display: block;
    margin-bottom: 0.5rem;
}

/* Light theme specific styles for detail items */
body.light-theme .detail-item {
    background: rgba(102, 126, 234, 0.08);
    border: 1px solid rgba(102, 126, 234, 0.25);
    color: var(--text-primary);
}

body.light-theme .about-details .detail-item span,
body.light-theme .about-details .detail-item p {
    color: var(--text-primary) !important;
}

/* Dark theme specific styles for detail items */
body:not(.light-theme) .detail-item {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.2);
    color: #fff;
}

body:not(.light-theme) .about-details .detail-item span,
body:not(.light-theme) .about-details .detail-item p {
    color: #fff !important;
}

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

.profile-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid transparent;
    background: linear-gradient(45deg, #667eea, #764ba2);
    padding: 4px;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: spin 4s linear infinite;
}

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

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

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

.skill-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.skill-card:hover::before {
    left: 100%;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

.skill-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.skill-card h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.skill-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.skill-level {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.skill-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 4px;
    transition: width 2s ease;
}

.skill-level span {
    color: #667eea;
    font-weight: 600;
    min-width: 40px;
}

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

.experience {
    background: var(--bg-primary);
}

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

.project-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
}

.project-status {
    position: relative;
}

.status-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.completed {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.status-badge.in-progress {
    background: rgba(251, 191, 36, 0.2);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.project-card h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.project-subtitle {
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: #764ba2;
    transform: translateX(5px);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.tech-tag {
    padding: 0.4rem 0.8rem;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

/* Experience Timeline */
.experience-timeline {
    position: relative;
    margin-top: 2rem;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(45deg, #667eea, #764ba2);
}

.experience-card {
    position: relative;
    margin-left: 80px;
    margin-bottom: 3rem;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.experience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.experience-card:hover::before {
    left: 100%;
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

.experience-icon {
    position: absolute;
    left: -95px;
    top: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.experience-period {
    position: relative;
}

.period-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.period-badge.current {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.period-badge:not(.current) {
    background: rgba(156, 163, 175, 0.2);
    color: #9ca3af;
    border: 1px solid rgba(156, 163, 175, 0.3);
}

.experience-card h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.experience-subtitle {
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.experience-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.experience-achievements {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.achievement-tag {
    padding: 0.4rem 0.8rem;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

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

.experience {
    background: var(--bg-primary);
}

.projects-placeholder,
.experience-placeholder {
    text-align: center;
    padding: 4rem 2rem;
}

.placeholder-content {
    max-width: 500px;
    margin: 0 auto;
}

.placeholder-content i {
    font-size: 4rem;
    color: #667eea;
    margin-bottom: 1rem;
}

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

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

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

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

.contact-info {
    max-width: 600px;
    text-align: center;
}

.contact-info h3 {
    color: var(--text-primary);
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    text-align: left;
}

.contact-item i {
    font-size: 1.5rem;
    color: #667eea;
    margin-top: 0.25rem;
}

.contact-item strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
}

/* Footer */
.footer {
    background: var(--bg-primary);
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
}

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

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

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

.social-link {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

.theme-toggle i {
    transition: all 0.3s ease;
}

body.light-theme .theme-toggle {
    background: linear-gradient(45deg, #764ba2, #667eea);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Ripple Effect for Theme Toggle */
.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple {
    0% {
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        width: 100px;
        height: 100px;
        opacity: 0;
    }
}

/* Creative Interactive Styles */

/* 2. Text Reveal Animation */
.text-reveal {
    animation: textReveal 0.8s ease-out forwards;
}

@keyframes textReveal {
    0% {
        opacity: 0;
        transform: translateY(30px);
        filter: blur(5px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

/* 3. Background Particles */
.particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    opacity: 0.6;
    animation: particleFloat linear infinite;
}

body.light-theme .particle {
    background: linear-gradient(45deg, #764ba2, #667eea);
    opacity: 0.4;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* 4. Glitch Effect */
.glitch-effect {
    position: relative;
    animation: glitch 0.5s ease-in-out;
}

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

.glitch-effect::before {
    animation: glitch-1 0.5s ease-in-out;
    color: #ff00ff;
    z-index: -1;
}

.glitch-effect::after {
    animation: glitch-2 0.5s ease-in-out;
    color: #00ffff;
    z-index: -2;
}

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

@keyframes glitch-1 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(2px, -2px); }
    40% { transform: translate(-2px, 2px); }
    60% { transform: translate(-2px, -2px); }
    80% { transform: translate(2px, 2px); }
}

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

/* 5. Creative Loading Screen */
.creative-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease;
}

.loader-content {
    text-align: center;
    color: #fff;
}

.loader-logo {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    animation: logoSpin 2s ease-in-out infinite;
}

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

.loader-progress {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin: 1rem auto;
    overflow: hidden;
}

.loader-bar {
    height: 100%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

.loader-text {
    color: #a0a0a0;
    font-size: 1rem;
    margin-top: 1rem;
}

/* 6. Enhanced Card Hover Effects */
.skill-card, .project-card, .experience-card {
    transition: all 0.3s ease;
    transform-style: preserve-3d;
}

.skill-card:hover, .project-card:hover, .experience-card:hover {
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg) translateZ(10px);
}

/* 7. Magnetic Effect for Buttons */
.btn, .social-link, .theme-toggle {
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

/* 8. Enhanced Floating Elements */
.float-element {
    transition: all 0.1s ease-out;
}

/* 9. Scroll Progress Indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    z-index: 1001;
    transition: width 0.1s ease;
}

/* 10. Interactive Section Backgrounds */
.hero::after {
    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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23667eea" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
    opacity: 0.3;
}

/* 11. Smooth Scroll Snap */
html {
    scroll-behavior: smooth;
}

section {
    scroll-margin-top: 80px;
}

/* 12. Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #764ba2, #667eea);
}

/* 13. Responsive Adjustments for Creative Elements */
@media (max-width: 768px) {
    .particle {
        width: 2px;
        height: 2px;
    }
    
    .loader-logo {
        font-size: 3rem;
    }
    
    .loader-progress {
        width: 250px;
    }
}

/* Enhanced Responsive Design - Mobile First Approach */

/* Mobile Devices (320px - 768px) */
@media (max-width: 768px) {
    /* Navigation */
    .navbar {
        padding: 1rem 0;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-logo h2 {
        font-size: 1.5rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-secondary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        z-index: 1000;
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1.5rem 0;
    }
    
    .hamburger {
        display: flex;
        flex-direction: column;
        cursor: pointer;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* Hero Section */
    .hero {
        padding: 6rem 0 4rem;
        min-height: 100vh;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
        padding: 0 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .btn {
        width: 250px;
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .hero-visual {
        height: 300px;
        margin-top: 2rem;
    }
    
    .float-element {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .about-image {
        order: -1;
    }
    
    .profile-image {
        width: 250px;
        height: 250px;
    }
    
    .about-text h3 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .about-text p {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }
    
    .about-details {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 2rem;
    }

    /* Skills Section */
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .skill-card {
        padding: 1.5rem;
        text-align: center;
    }
    
    .skill-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .skill-card h3 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    
    .skill-card p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    /* Projects Section */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-card {
        padding: 1.5rem;
    }
    
    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-bottom: 1rem;
    }
    
    .project-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .project-card h3 {
        font-size: 1.4rem;
        margin-bottom: 0.5rem;
    }
    
    .project-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .project-description {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }
    
    .project-tech {
        gap: 0.5rem;
    }
    
    .tech-tag {
        font-size: 0.8rem;
        padding: 0.3rem 0.8rem;
    }

    /* Experience Section */
    .experience-timeline::before {
        left: 15px;
    }
    
    .experience-card {
        margin-left: 50px;
        padding: 1.5rem;
    }
    
    .experience-icon {
        left: -65px;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .experience-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-bottom: 1rem;
    }
    
    .experience-card h3 {
        font-size: 1.4rem;
        margin-bottom: 0.5rem;
    }
    
    .experience-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .experience-description {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }
    
    .experience-achievements {
        gap: 0.5rem;
    }
    
    .achievement-tag {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }    /* Contact Section */
    .contact-content {
        padding: 0 1rem;
    }
    
    .contact-info {
        max-width: 500px;
    }
    
    .contact-info h3 {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
        text-align: center;
    }
    
    .contact-item {
        margin-bottom: 1.5rem;
        justify-content: flex-start;
    }
    
    .contact-item i {
        font-size: 1.2rem;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .social-link {
        width: 45px;
        height: 45px;
    }

    /* General Typography */
    .section-title {
        font-size: 2.2rem;
        margin-bottom: 1rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    section {
        padding: 4rem 0;
    }

    /* Theme Toggle */
    .theme-toggle {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    font-size: 1.1rem;
    }

    /* Hide heavy animations on mobile */
    .particle-container {
        display: none;
    }
}

/* Small Mobile Devices (320px - 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        padding: 0 0.5rem;
    }
    
    .btn {
        width: 200px;
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .profile-image {
        width: 200px;
        height: 200px;
    }
    
    .project-card,
    .experience-card,    .skill-card {
        padding: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

/* Tablet Devices (768px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 750px;
        padding: 0 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .experience-card {
        margin-left: 70px;
    }
    
    .experience-icon {
        left: -85px;
    }
    
    /* Reduce particle count for better performance */
    .particle:nth-child(n+26) {
        display: none;
    }
}

/* Large Tablets and Small Laptops (1024px - 1200px) */
@media (min-width: 1025px) and (max-width: 1200px) {
    .container {
        max-width: 1000px;
    }
    
    .hero-title {
        font-size: 3.2rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large Screens (1200px - 1400px) */
@media (min-width: 1201px) and (max-width: 1400px) {
    .container {
        max-width: 1200px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Ultra-wide screens (1400px+) */
@media (min-width: 1401px) {
    .container {
        max-width: 1400px;
    }
    
    .hero {
        padding: 10rem 0 8rem;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 3rem 0 2rem;
        min-height: 80vh;
    }
    
    .hero-container {
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 2rem;
    }
    
    .hero-visual {
        height: 250px;
        margin-top: 0;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: row;
        gap: 1rem;
    }
    
    .btn {
        width: auto;
        padding: 0.8rem 1.5rem;
    }
}

/* High DPI / Retina displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .profile-image {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print styles */
@media print {    .navbar,
    .theme-toggle,
    .hamburger,
    .scroll-progress,
    .creative-loader,
    .particle-container,
    .float-element,
    .hero-visual {
        display: none !important;
    }
    
    .hero,
    .about,
    .skills,
    .projects,
    .experience,
    .contact {
        page-break-inside: avoid;
        padding: 2rem 0;
    }
    
    body {
        background: white !important;
        color: black !important;
        font-size: 12pt;
    }
    
    .section-title {
        font-size: 18pt;
    }
    
    .hero-title {
        font-size: 24pt;
    }
}

/* Accessibility - Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;    }
    
    .particle-container,
    .float-element {
        display: none;
    }
    
    .text-reveal {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
    }
}