:root {
    --bg-main: #0a0a0a;
    --bg-surface: #171717;
    --bg-surface-elevated: #262626;
    --border-color: #333333;
    
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    
    --accent-indigo: #6366f1;
    --accent-indigo-glow: rgba(99, 102, 241, 0.2);
    --accent-cyan: #06b6d4;
    --accent-cyan-glow: rgba(6, 182, 212, 0.2);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

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

/* Typography classes */
.text-gradient {
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

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

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

.btn-primary-outline {
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem !important;
    border-radius: 8px;
    transition: all 0.3s !important;
}

.btn-primary-outline:hover {
    background-color: var(--text-primary);
    color: var(--bg-main) !important;
}

/* Base Sections */
.section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 4rem;
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
}

.section-header.center .section-desc {
    margin: 0 auto;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 2rem;
    text-align: center;
}

.glow {
    position: absolute;
    width: 40vw;
    height: 40vw;
    max-width: 500px;
    max-height: 500px;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.4;
}

.glow-1 {
    top: 20%;
    left: 10%;
    background: var(--accent-indigo-glow);
}

.glow-2 {
    bottom: 10%;
    right: 10%;
    background: var(--accent-cyan-glow);
}

.hero-content {
    max-width: 800px;
    z-index: 1;
    margin-top: 4rem; 
}

.greeting {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    font-size: 1rem;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-main);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
}

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

.btn-secondary:hover {
    background: var(--bg-surface);
    border-color: #555;
}

.stats-container {
    display: flex;
    justify-content: center;
    gap: 3rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-indigo);
    box-shadow: 0 20px 40px var(--accent-indigo-glow);
}

.project-img-wrapper {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.project-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.1);
}

.placeholder-1 { background: linear-gradient(135deg, #1e1b4b, #312e81); }
.placeholder-2 { background: linear-gradient(135deg, #083344, #164e63); }
.placeholder-3 { background: linear-gradient(135deg, #171717, #262626); }

.project-content {
    padding: 1.8rem;
}

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

.project-tags span {
    font-size: 0.75rem;
    padding: 0.3rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.project-info {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.project-link {
    color: var(--accent-indigo);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s;
}

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

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

.skill-category {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s;
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
}

.skill-category h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-primary);
}

.skill-category h3 i {
    color: var(--accent-cyan);
}

.skill-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.skill-list i {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Career Timeline */
.timeline-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.column-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-primary);
}

.timeline-list {
    position: relative;
    padding-left: 2rem;
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    height: 100%;
    width: 1px;
    background: var(--border-color);
}

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

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

.timeline-dot {
    position: absolute;
    left: -2rem;
    top: 5px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--bg-main);
    border: 2px solid var(--accent-indigo);
    transition: background 0.3s, transform 0.3s;
}

.timeline-item:hover .timeline-dot {
    background: var(--accent-indigo);
    transform: scale(1.2);
}

.timeline-date {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
}

.timeline-role {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.timeline-company {
    display: block;
    color: var(--accent-cyan);
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.timeline-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Contact / Footer */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 6rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto 4rem;
    text-align: center;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-desc {
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-size: 1.1rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.contact-methods {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.contact-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.5rem;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: border-color 0.3s, transform 0.3s;
}

.contact-pill:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

.contact-pill i {
    color: var(--accent-cyan);
}

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

.social-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s;
}

.social-btn:hover {
    background: var(--text-primary);
    color: var(--bg-main);
    transform: scale(1.1);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title { font-size: 3rem; }
    .timeline-container { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
    .nav-links { display: none; } 
    .hero-title { font-size: 2.2rem; }
    .hero-buttons { flex-direction: column; }
    .btn { justify-content: center; }
    .stats-container { flex-wrap: wrap; justify-content: center; }
    .contact-methods { flex-direction: column; align-items: stretch; }
}