:root {
    /* Color Palette - Dark Theme with Cyan/Blue Accents */
    --bg-dark: #0a0e17;
    --bg-darker: #05080f;
    --glass-bg: rgba(16, 23, 41, 0.6);
    --glass-border: rgba(56, 189, 248, 0.15);
    
    --accent-primary: #38bdf8; /* Light Blue / Cyan */
    --accent-secondary: #818cf8; /* Indigo */
    --accent-glow: rgba(56, 189, 248, 0.4);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --section-padding: 100px 0;
    --container-width: 1140px;
    
    /* Animations */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-body);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Effects */
.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.5;
    pointer-events: none;
}

.bg-glow-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
    opacity: 0.15;
}

.bg-glow-2 {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    opacity: 0.1;
}

.bg-noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E');
    opacity: 0.03;
    z-index: -1;
    pointer-events: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 700;
}

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

a:hover {
    color: var(--accent-secondary);
}

/* Layout Utilities */
main {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--section-padding);
}

.section-header {
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title {
    font-size: 2.5rem;
    position: relative;
    z-index: 1;
}

.section-header .line {
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 40%;
    height: 12px;
    background: linear-gradient(90deg, var(--accent-primary), transparent);
    z-index: 0;
    opacity: 0.4;
    border-radius: 4px;
}

.text-center { text-align: center; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

/* Glassmorphism Panel */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    transition: var(--transition);
}

.glass-panel:hover {
    border-color: rgba(56, 189, 248, 0.4);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 0 15px rgba(56, 189, 248, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.5);
    color: #fff;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
}

.btn-outline:hover {
    background: rgba(56, 189, 248, 0.1);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(5, 8, 15, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 15px 0;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: 1px;
    z-index: 11;
}

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

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

.nav-links a {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition);
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    z-index: 11;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn:hover {
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--accent-primary);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    flex: 1;
    z-index: 10;
}

.greeting {
    color: var(--accent-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.name {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title {
    font-size: 1.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.divider {
    color: var(--accent-primary);
    opacity: 0.5;
    margin: 0 0.5rem;
}

.hero-description {
    font-size: 1.125rem;
    max-width: 500px;
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: var(--text-muted);
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent-primary);
    transform: translateY(-3px);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Hero Profile Image */
.profile-image-container {
    position: relative;
    width: 320px;
    height: 320px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-image {
    width: 280px;
    height: 280px;
    background: var(--glass-bg);
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 30px var(--accent-glow), inset 0 0 20px rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
    z-index: 2;
}

.placeholder-icon {
    font-size: 5rem;
    color: var(--text-muted);
    opacity: 0.5;
}

.floating-badge {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: var(--accent-primary);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    z-index: 3;
    animation: float 6s ease-in-out infinite;
}

.badge-1 {
    top: 20px;
    right: 10px;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 40px;
    left: 0px;
    animation-delay: -3s;
    color: var(--accent-secondary);
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

/* About Section */
.about-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.accent-text {
    color: var(--text-primary);
    font-weight: 600;
}

.contact-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.contact-list i {
    color: var(--accent-primary);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.skill-category {
    position: relative;
    overflow: hidden;
}

.category-icon {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    opacity: 0.8;
}

.skill-category h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

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

.tags span {
    background: rgba(56, 189, 248, 0.1);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(56, 189, 248, 0.2);
    transition: var(--transition);
}

.tags span:hover {
    background: rgba(56, 189, 248, 0.2);
    transform: translateY(-2px);
}

/* Experience Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: rgba(255,255,255,0.1);
}

.timeline-item {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 2.5rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -5px;
    top: 24px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-primary);
    box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.timeline-header h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.timeline-header h4 {
    font-size: 1rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.timeline-date {
    background: rgba(255,255,255,0.05);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.timeline-location {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.timeline-list {
    list-style: none;
}

.timeline-list li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.timeline-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-icon {
    font-size: 2.5rem;
    color: var(--accent-secondary);
    margin-bottom: 1.5rem;
}

.project-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.project-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.badge {
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 4px;
    background: rgba(255,255,255,0.05);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge.upcoming {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge.tech {
    background: rgba(129, 140, 248, 0.1);
    color: var(--accent-secondary);
    border: 1px solid rgba(129, 140, 248, 0.2);
}

.project-details {
    list-style: none;
    margin-top: 1rem;
}

.project-details li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.project-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

.project-links {
    margin-top: auto;
    padding-top: 1.5rem;
}

/* Education */
.education-card {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.edu-icon {
    font-size: 3rem;
    color: var(--accent-primary);
    background: rgba(56, 189, 248, 0.1);
    width: 80px;
    height: 80px;
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.edu-details h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.edu-details h4 {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

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

/* Contact */
.contact-box {
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem;
}

.contact-box h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 2rem 0;
    background: var(--bg-darker);
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.footer-socials a {
    color: var(--text-muted);
    font-size: 1.25rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .section-padding { padding: 60px 0; }
    .hero { flex-direction: column-reverse; text-align: center; padding-top: 120px; }
    .hero-cta, .social-links { justify-content: center; }
    .name { font-size: 3rem; }
    .title { font-size: 1.25rem; }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-darker);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: var(--transition);
        z-index: 9;
    }
    
    .nav-links.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    .hamburger { display: block; }
    
    .education-card { flex-direction: column; text-align: center; }
    .timeline::before { left: 16px; }
    .timeline-dot { left: 11px; }
    .timeline-item { padding-left: 3rem; }
    
    .footer-content { flex-direction: column; gap: 1rem; text-align: center; }
}