:root {
    --bg-main: #0a0d0b;
    --bg-secondary: #10140f;
    --bg-tertiary: #182019;
    --accent: #e8a33d;
    --accent-glow: rgba(232, 163, 61, 0.35);
    --accent-hover: #f3b95e;
    --pass: #5fd694;
    --text-main: #f3f1ea;
    --text-muted: #97998f;
    --glass-bg: rgba(16, 20, 15, 0.75);
    --glass-border: rgba(243, 241, 234, 0.09);
    --border-radius: 10px;
    --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-main);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, .logo {
    font-family: 'Space Grotesk', sans-serif;
}

.stat-num, .tag, .project-tech span, .hero-subtitle, .timeline-date {
    font-family: 'IBM Plex Mono', monospace;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

.section {
    padding: 100px 5%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    color: var(--text-main);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--accent-glow);
}

.mt-xl {
    margin-top: 4rem;
}

.subsection-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--text-main);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    font-weight: 600;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

.primary-btn {
    background: var(--accent);
    color: #17130a;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.primary-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

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

.secondary-btn:hover {
    background: rgba(232, 163, 61, 0.1);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    padding: 1rem 5%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 1px;
}

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

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-main);
    transition: var(--transition);
    position: relative;
}

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

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

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

/* .hamburger / .close-menu are real <button> elements now (for keyboard
   accessibility) so their native button chrome needs resetting. */
.hamburger,
.close-menu {
    display: none;
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-main);
}

.hamburger:focus-visible,
.close-menu:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--bg-secondary);
    z-index: 1001;
    transition: 0.4s ease-in-out;
    padding: 4rem 2rem;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
    border-left: 1px solid var(--glass-border);
}

.mobile-menu.active {
    right: 0;
}

.close-menu {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    color: var(--text-muted);
}

.close-menu:hover {
    color: var(--accent);
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mobile-menu a {
    font-size: 1.2rem;
    font-weight: 600;
}

.mobile-menu a:hover {
    color: var(--accent);
}

/* Hero */
.hero {
    position: relative;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.greeting {
    color: var(--accent);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.name {
    font-size: clamp(3rem, 8vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #f3f1ea, #97998f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.role {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-stat .stat-num {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--accent);
}

.hero-stat .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

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

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

.social-links a {
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-10px) translateX(-50%); }
    60% { transform: translateY(-5px) translateX(-50%); }
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

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

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.highlight-card:hover {
    border-color: rgba(232, 163, 61, 0.35);
}

.highlight-card i {
    font-size: 1.6rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.highlight-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.highlight-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.skill-category:hover {
    border-color: rgba(232, 163, 61, 0.3);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
    font-size: 1.15rem;
}

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

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.tag {
    background: rgba(24, 32, 25, 0.9);
    color: var(--text-muted);
    padding: 0.35rem 0.9rem;
    border-radius: 6px;
    font-size: 0.82rem;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.tag:hover {
    background: rgba(232, 163, 61, 0.1);
    color: var(--accent);
    border-color: var(--accent);
}

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

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    height: 100%;
    width: 2px;
    background: var(--bg-tertiary);
}

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

.timeline-dot {
    position: absolute;
    left: 15px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

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

.timeline-content:hover {
    border-color: rgba(232, 163, 61, 0.3);
}

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

.timeline-header h3 {
    color: var(--accent);
    font-size: 1.2rem;
}

.timeline-date {
    font-size: 0.82rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.25rem 0.8rem;
    border-radius: 20px;
}

.timeline-company {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

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

.timeline-location i {
    margin-right: 0.4rem;
}

.timeline-list {
    padding-left: 1.2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.timeline-list li {
    margin-bottom: 0.5rem;
}
.timeline-list li::marker {
    color: var(--accent);
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    overflow: hidden;
}

.project-card:hover {
    border-color: rgba(232, 163, 61, 0.3);
}

.project-content {
    padding: 2rem;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
}

.project-header h3 {
    font-size: 1.5rem;
    color: var(--text-main);
}

.github-link {
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.github-link:hover {
    color: var(--accent);
}

.project-tagline {
    color: var(--text-muted);
    font-size: 0.98rem;
    margin-bottom: 1.2rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}

.project-tech span {
    font-size: 0.78rem;
    color: var(--accent);
    background: rgba(232, 163, 61, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
}

.project-details {
    padding-left: 1.2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.project-details li {
    margin-bottom: 0.8rem;
}
.project-details li::marker {
    color: var(--accent);
}

.project-details strong {
    color: var(--text-main);
}

.project-note {
    margin-top: 1.2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
    font-size: 0.82rem;
    color: var(--text-muted);
    font-style: italic;
}

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

.achievement-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    display: flex;
    gap: 1.5rem;
    transition: var(--transition);
}

.achievement-card:hover {
    border-color: rgba(232, 163, 61, 0.3);
}

.achievement-icon {
    font-size: 2.2rem;
    color: var(--accent);
    display: flex;
    align-items: flex-start;
}

.achievement-info h4 {
    font-size: 1.15rem;
    margin-bottom: 0.3rem;
}

.achievement-link {
    display: inline-block;
    font-size: 0.88rem;
    color: var(--accent);
    margin-bottom: 1rem;
    transition: var(--transition);
}
.achievement-link i {
    font-size: 0.78rem;
    margin-left: 0.2rem;
}
.achievement-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.achievement-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
}
.achievement-info strong {
    color: var(--text-main);
}

/* Footer */
footer {
    background: var(--bg-secondary);
    padding: 4rem 5% 2rem;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--text-main);
    display: inline-block;
    margin-bottom: 0.5rem;
}

.footer-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.footer-socials {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
    border: 1px solid var(--glass-border);
}

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

.footer-contact {
    margin-bottom: 2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.footer-contact i {
    color: var(--accent);
    margin-right: 0.5rem;
}

.copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--glass-border);
    padding-top: 1.5rem;
    margin-bottom: 0 !important;
}

/* Animations & Utility */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .scroll-indicator {
        animation: none;
    }
}

/* Responsive Design */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 0;
    }
    .timeline-item {
        padding-left: 2rem;
    }
    .timeline-dot {
        left: -5px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .section {
        padding: 80px 5%;
    }

    .section-title {
        font-size: 2rem;
    }
}