:root {
    --bg-dark: #0a0a0f;
    --bg-card: rgba(20, 20, 30, 0.6);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-main: #f0f0f5;
    --text-muted: #a0a0b0;
    --accent-primary: #00f0ff; /* Cyan neon */
    --accent-secondary: #7000ff; /* Deep purple */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

/* Background Effects */
.bg-glow {
    position: absolute;
    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%);
}
.bg-glow-2 {
    bottom: 20%;
    right: -10%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    background: linear-gradient(to right, var(--text-main), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

h2.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

h2.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 2px;
}

.text-center { text-align: center; }

/* Layout & Glassmorphism */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}
.logo-dot { color: var(--accent-primary); }

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav-links a:hover { color: var(--text-main); }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-size: 0.9rem;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 240, 255, 0.2);
}
.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(0, 240, 255, 0.4);
    transform: translateY(-2px);
}

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

.lang-btn {
    background: rgba(255,255,255,0.1);
    color: var(--text-main);
    border: 1px solid var(--border-glass);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}
.lang-btn:hover { background: rgba(255,255,255,0.2); }

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

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 20px;
    color: var(--accent-primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.icon-small {
    width: 16px;
    height: 16px;
}

#hero-subtitle {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 500px;
}

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

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.profile-card {
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 2rem;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 100%);
    pointer-events: none;
}

.profile-img-container {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    padding: 6px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    background-color: var(--bg-dark);
}

.profile-info {
}

/* About Section */
.about { padding: 6rem 0; }

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

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-glass);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 3rem;
}

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

.timeline-dot {
    position: absolute;
    left: 13px;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-primary);
    box-shadow: 0 0 10px var(--accent-primary);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 1.5rem;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--accent-primary);
    transform: translateX(5px);
}

.timeline-year {
    color: var(--accent-primary);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.timeline-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Projects Section */
.projects { padding: 6rem 0; }

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

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.project-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
}

.project-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255,255,255,0.05);
}

.project-title {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.project-subtitle {
    color: var(--accent-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.project-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

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

.tech-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--text-main);
}

.project-card:hover .tech-tag {
    border-color: rgba(255, 255, 255, 0.15);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.project-link:hover { gap: 0.8rem; }

/* Footer */
footer {
    border-top: 1px solid var(--border-glass);
    padding: 3rem 0;
    background: rgba(10, 10, 15, 0.8);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

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

.social-links a {
    color: var(--text-muted);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}
.social-links a:hover {
    color: var(--accent-primary);
    background: rgba(0, 240, 255, 0.1);
    transform: translateY(-3px);
}

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

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards;
}

.fade-in {
    opacity: 0;
    animation: fadeIn 1s forwards;
}

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

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

/* Responsive */
@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 4rem;
    }
    .badge { margin: 0 auto 1.5rem; }
    #hero-subtitle { margin: 0 auto 2rem; }
    .hero-actions { justify-content: center; }
    .nav-links { display: none; }
}

@media (max-width: 600px) {
    h1 { font-size: 2.2rem; }
    .timeline::before { left: 10px; }
    .timeline-dot { left: 3px; }
    .timeline-item { padding-left: 40px; }
}