:root {
    --bg-color: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-primary: #8b5cf6;
    --accent-secondary: #3b82f6;
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-main);
    line-height: 1.2;
}

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

.section-title {
    font-size: 2.5rem;
    text-align: center;
    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(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 2px;
}

/* Glassmorphism Cards */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
}

.hover-card {
    transition: var(--transition);
}

.hover-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(139, 92, 246, 0.3);
    border-color: rgba(139, 92, 246, 0.4);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    transition: var(--transition);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: 1px;
}

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

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-primary);
}

/* Layout */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 8rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.hero-content h2 {
    font-size: 2rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-graphics {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.profile-img {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--card-border);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
    transition: var(--transition);
}

.profile-img:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.5);
    border-color: var(--accent-primary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border: none;
}

.btn.primary:hover {
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
    transform: translateY(-2px);
}

.btn.secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--card-border);
    margin-left: 1rem;
}

.btn.secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-primary);
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.about-container h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline-item {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    border-left: 2px solid var(--accent-primary);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-primary);
}

.timeline-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

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

.date {
    color: var(--accent-secondary);
    font-size: 0.85rem;
    font-weight: 600;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: var(--transition);
}

.skill-tag:hover {
    background: rgba(139, 92, 246, 0.2);
    transform: translateY(-2px);
}

/* Experience Section */
.experience-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.exp-header h3 {
    font-size: 1.3rem;
}

.company {
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.project-card {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-main);
    transition: var(--transition);
}

.project-card:hover h3 {
    color: var(--accent-primary);
}

.project-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

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

.tech-tag {
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    color: var(--text-muted);
}

/* Contact Section */
.contact-container {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-container p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    text-decoration: none;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    transition: var(--transition);
    font-weight: 600;
}

.contact-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Footer Removed */

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding-top: 6rem;
    }
    
    .hero-content h1 { font-size: 3rem; }
    
    .hero-graphics { margin-top: 3rem; }
    
    .profile-img {
        width: 250px;
        height: 250px;
    }
    
    .about-container { grid-template-columns: 1fr; }
    
    .nav-links { display: none; /* simple mobile fix */ }
}