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

:root {
    --primary-color: #1a237e;
    --secondary-color: #283593;
    --accent-color: #3949ab;
    --light-color: #5c6bc0;
    --lighter-color: #9fa8da;
    --cream-color: #f5f3f0;
    --white: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-light: 0 4px 15px rgba(0,0,0,0.1);
    --shadow-medium: 0 8px 25px rgba(0,0,0,0.15);
    --shadow-heavy: 0 15px 40px rgba(0,0,0,0.2);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--cream-color);
    overflow-x: hidden;
    position: relative;
}

/* Wave Background */
.wave-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(135deg, 
        var(--primary-color) 0%, 
        var(--secondary-color) 25%, 
        var(--accent-color) 50%, 
        var(--light-color) 75%, 
        var(--lighter-color) 100%);
}

.wave-background::before {
    content: '';
    position: absolute;
    top: 15%;
    left: -10%;
    width: 120%;
    height: 85%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><path d="M0,400 C200,180 400,620 600,300 C800,120 1000,500 1200,250 L1200,800 L0,800 Z" fill="%23f5f3f0" opacity="0.9"/><path d="M0,500 C150,280 350,720 550,400 C750,200 950,600 1200,350 L1200,800 L0,800 Z" fill="%23f5f3f0" opacity="0.7"/><path d="M0,600 C100,400 300,800 500,500 C700,300 900,700 1200,450 L1200,800 L0,800 Z" fill="%23f5f3f0" opacity="0.5"/></svg>') no-repeat center center;
    background-size: cover;
    animation: wave-flow 25s ease-in-out infinite;
}

.wave-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 25% 75%, rgba(245, 243, 240, 0.9) 0%, transparent 50%),
                radial-gradient(circle at 75% 25%, rgba(26, 35, 126, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(245, 243, 240, 0.6) 0%, transparent 70%);
}

@keyframes wave-flow {
    0%, 100% { 
        transform: translateX(0) translateY(0) scale(1); 
    }
    25% { 
        transform: translateX(-3%) translateY(-2%) scale(1.02); 
    }
    50% { 
        transform: translateX(-5%) translateY(1%) scale(1.05); 
    }
    75% { 
        transform: translateX(-2%) translateY(-1%) scale(1.03); 
    }
}

/* Floating Elements */
.floating-element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: float 8s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    width: 120px;
    height: 120px;
    top: 8%;
    left: 5%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 80px;
    height: 80px;
    top: 55%;
    right: 8%;
    animation-delay: 3s;
}

.floating-element:nth-child(3) {
    width: 60px;
    height: 60px;
    bottom: 15%;
    left: 15%;
    animation-delay: 6s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
        opacity: 0.6;
    }
    50% { 
        transform: translateY(-25px) rotate(180deg); 
        opacity: 0.8;
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

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

.nav-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(26, 35, 126, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: 0.3s;
}

/* Section Management */
.section {
    display: none;
    padding: 8rem 0 4rem;
    min-height: 100vh;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.section.active-section {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Hero Section */
.hero-section {
    display: block;
    padding: 8rem 0 6rem;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.avatar-container {
    margin-bottom: 1rem;
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--glass-border);
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
}

.avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-heavy);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--primary-color);
    text-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

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

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--secondary-color);
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(26, 35, 126, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(26, 35, 126, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--primary-color);
    border: 2px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(26, 35, 126, 0.1);
    transform: translateY(-3px);
    box-shadow: var(--shadow-light);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Code Snippet */
.code-snippet {
    background: rgba(0, 0, 0, 0.9);
    border-radius: 15px;
    padding: 1.5rem;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9rem;
    box-shadow: var(--shadow-heavy);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    max-width: 450px;
    animation: code-glow 2s ease-in-out infinite alternate;
}

@keyframes code-glow {
    from { box-shadow: var(--shadow-heavy); }
    to { box-shadow: 0 10px 30px rgba(26, 35, 126, 0.2); }
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.code-dots {
    display: flex;
    gap: 0.5rem;
}

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

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28ca42; }

.code-lang {
    background: var(--accent-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.code-content {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.code-line {
    color: #e6e6e6;
    line-height: 1.5;
}

.keyword { color: #ff79c6; }
.class { color: #8be9fd; }
.function { color: #50fa7b; }
.string { color: #f1fa8c; }
.variable { color: #bd93f9; }
.type { color: #ffb86c; }

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-color), var(--light-color));
    border-radius: 2px;
}

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

.about-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-color);
}

.about-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.about-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.status {
    font-weight: 500;
    color: var(--accent-color);
}

.strengths-list {
    list-style: none;
    text-align: left;
}

.strengths-list li {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.strengths-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Skills Section */
.skills-section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-color);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.skill-card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.skill-tag {
    background: rgba(26, 35, 126, 0.1);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(26, 35, 126, 0.2);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

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

.project-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
}

.project-language {
    background: var(--accent-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: rgba(26, 35, 126, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(26, 35, 126, 0.2);
}

.project-actions {
    display: flex;
    gap: 1rem;
}

/* Contact Section */
.contact-section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
}

.contact-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    width: 100%;
}

.contact-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-light);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-card a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.contact-card a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.contact-card p {
    color: var(--text-light);
    font-weight: 500;
}

.social-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 1rem 2rem;
    border-radius: 25px;
    border: 2px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

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

.social-icon {
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .code-snippet {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        flex-direction: column;
        align-items: center;
    }
    
    .container, .nav-container, .hero-container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .section {
        padding: 6rem 0 3rem;
    }
    
    .hero-section {
        padding: 6rem 0 4rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .avatar {
        width: 100px;
        height: 100px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .nav-links.mobile-active {
        display: flex !important;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        border-top: 1px solid var(--glass-border);
        animation: slideDown 0.3s ease-out;
        box-shadow: var(--shadow-medium);
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

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

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 2rem;
    border-radius: 10px;
    color: white;
    font-weight: 500;
    z-index: 10000;
    box-shadow: var(--shadow-medium);
    animation: slideInRight 0.3s ease-out;
}

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

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

/* Additional Interactive States */
.btn:active {
    transform: translateY(-1px);
}

.skill-card:active,
.project-card:active,
.about-card:active,
.contact-card:active {
    transform: translateY(-5px);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Focus States for Accessibility */
.bt