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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    color: #ffffff;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Loading Screen */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #0f0f23, #1a1a2e);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    flex-direction: column;
}

.loader-text {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, #64ffda, #ff6b6b);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.loader-progress {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #64ffda, #ff6b6b);
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 2rem;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, #64ffda, #ff6b6b);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #64ffda, #ff6b6b);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%2364ffda" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ff6b6b" stop-opacity="0.05"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>') no-repeat center center;
    background-size: cover;
    opacity: 0.3;
}

.hero-content {
    z-index: 2;
    max-width: 1000px;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-text {
    flex: 1;
    min-width: 400px;
    text-align: left;
}

.hero-image {
    flex: 0 0 300px;
    text-align: center;
}

.profile-image {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 4px solid transparent;
    background: linear-gradient(45deg, #64ffda, #ff6b6b) padding-box,
                linear-gradient(45deg, #64ffda, #ff6b6b) border-box;
    object-fit: cover;
    transition: all 0.3s ease;
    box-shadow: 0 20px 40px rgba(100, 255, 218, 0.3);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(100, 255, 218, 0.4);
}

.image-placeholder {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(100, 255, 218, 0.2), rgba(255, 107, 107, 0.2));
    border: 4px solid;
    border-image: linear-gradient(45deg, #64ffda, #ff6b6b) 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #64ffda;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.image-placeholder:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(100, 255, 218, 0.4);
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #64ffda, #ff6b6b, #4ecdc4);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient 3s ease-in-out infinite;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 4vw, 2rem);
    color: #a0a0a0;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, #64ffda, #ff6b6b);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(100, 255, 218, 0.4);
}

/* Floating particles */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #64ffda;
    border-radius: 50%;
    opacity: 0.7;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.7;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

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

/* Section Styles */
.section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.section-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%2364ffda" stop-opacity="0.05"/><stop offset="100%" stop-color="%23ff6b6b" stop-opacity="0.03"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>') no-repeat center center;
    background-size: cover;
    opacity: 0.2;
    z-index: -1;
}

.section-content {
    position: relative;
    z-index: 2;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(45deg, #64ffda, #ff6b6b);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Education & Experience */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #64ffda, #ff6b6b);
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 2rem;
    width: 12px;
    height: 12px;
    background: #64ffda;
    border-radius: 50%;
    border: 3px solid #0f0f23;
}

.timeline-date {
    color: #64ffda;
    font-weight: 600;
    font-size: 0.9rem;
}

.timeline-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0.5rem 0;
}

.timeline-company {
    color: #ff6b6b;
    font-weight: 500;
    margin-bottom: 1rem;
}

/* Projects Section */
.project-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-button {
    padding: 0.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-button.active {
    background: linear-gradient(45deg, #64ffda, #ff6b6b);
    border: 1px solid transparent;
}

.tab-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(100, 255, 218, 0.2);
}

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

.project-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    cursor: pointer;
    opacity: 1;
    transform: scale(1);
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: #64ffda;
}

.project-card.clickable {
    cursor: pointer;
    transition: all 0.3s ease;
}

.project-card.clickable:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(100, 255, 218, 0.2);
    border-color: #64ffda;
}

.project-card.hidden {
    display: none !important;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #64ffda;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category-badges {
    display: flex;
    gap: 0.3rem;
    margin-left: 0.5rem;
}

.category-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
    font-weight: 500;
    text-transform: uppercase;
}

.category-badge.web {
    background: rgba(100, 255, 218, 0.2);
    color: #64ffda;
    border: 1px solid rgba(100, 255, 218, 0.3);
}

.category-badge.ai {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.category-badge.mobile {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.project-description {
    color: #a0a0a0;
    margin-bottom: 1.5rem;
}

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

.tech-tag {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

.skill-category {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.skill-category h3 {
    color: #64ffda;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-item {
    background: rgba(100, 255, 218, 0.1);
    color: #64ffda;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
    border: 1px solid rgba(100, 255, 218, 0.3);
}

/* Contact Section */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form h3 {
    color: #64ffda;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #ffffff;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #64ffda;
    box-shadow: 0 0 0 2px rgba(100, 255, 218, 0.2);
}

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

.form-button {
    background: linear-gradient(45deg, #64ffda, #ff6b6b);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.form-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(100, 255, 218, 0.3);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info h3 {
    color: #64ffda;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    text-decoration: none;
    color: #ffffff;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-link:hover {
    background: rgba(100, 255, 218, 0.1);
    border-color: #64ffda;
    transform: translateX(10px);
}

.contact-icon {
    font-size: 1.2rem;
    color: #64ffda;
    width: 20px;
    text-align: center;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        min-width: auto;
        text-align: center;
        margin-top: 70px;
    }

    .hero-image {
        flex: 0 0 250px;
    }

    .profile-image, .image-placeholder {
        width: 250px;
        height: 250px;
    }

    .section {
        padding: 3rem 1rem;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-item {
        padding: 1.5rem;
    }

    .project-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 1rem;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

/* Hidden class for tab content */
.hidden {
    display: none;
}

/* Scroll indicator */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #64ffda, #ff6b6b);
    z-index: 1001;
    transition: width 0.3s ease;
}

/* Mobile menu toggle button */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Mobile Sidebar */
.mobile-sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
    backdrop-filter: blur(20px);
    z-index: 10001;
    transition: right 0.3s ease;
    border-left: 1px solid rgba(100, 255, 218, 0.2);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
}

.mobile-sidebar.active {
    right: 0;
}

.mobile-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-sidebar-header .logo {
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(45deg, #64ffda, #ff6b6b);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mobile-close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.mobile-close-btn:hover {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
}

.mobile-nav-links {
    list-style: none;
    padding: 2rem 0;
    margin: 0;
}

.mobile-nav-links li {
    margin: 0;
}

.mobile-nav-links a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.mobile-nav-links a:hover {
    background: rgba(100, 255, 218, 0.1);
    border-left-color: #64ffda;
    color: #64ffda;
}

/* Mobile Overlay */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile responsive updates */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
}