/* ===== NEWSPAPER DESIGN SYSTEM ===== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700;800;900&family=Source+Serif+4:wght@300;400;500;600&family=Inter:wght@400;500;600&display=swap');

:root {
    /* Matte Dark Colors */
    --bg-primary: #0d0d0d;
    --bg-secondary: #121212;
    --bg-tertiary: #181818;
    --bg-card: #141414;
    --bg-card-hover: #1a1a1a;

    --text-primary: #e8e8e8;
    --text-secondary: #a8a8a8;
    --text-muted: #707070;
    --text-headline: #ffffff;

    --accent: #00d46a;
    --accent-hover: #00ff7f;
    --accent-dim: rgba(0, 212, 106, 0.08);
    --accent-glow: rgba(0, 212, 106, 0.15);

    --border: #252525;
    --border-light: #333333;
    --border-heavy: #404040;

    /* Typography */
    --font-headline: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Source Serif 4', Georgia, serif;
    --font-ui: 'Inter', -apple-system, sans-serif;

    /* Spacing */
    --section-padding: 80px;
    --container-width: 1100px;
    --column-gap: 40px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 17px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.75;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

::selection {
    background: var(--accent);
    color: var(--bg-primary);
}

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

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

img {
    max-width: 100%;
    height: auto;
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
}

.section {
    padding: var(--section-padding) 0;
    border-bottom: 1px solid var(--border);
}

.section:last-of-type {
    border-bottom: none;
}

/* Newspaper Decorative Elements */
.section-header {
    text-align: center;
    margin-bottom: 48px;
    position: relative;
}

.section-header::before,
.section-header::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 80px;
    height: 1px;
    background: var(--border-heavy);
}

.section-header::before {
    left: 0;
}

.section-header::after {
    right: 0;
}

.section-label {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-headline);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-headline);
    line-height: 1.2;
    margin-bottom: 8px;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Column Layouts */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--column-gap);
}

.three-column {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--column-gap);
}

.sidebar-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--column-gap);
}

/* Dividers */
.divider {
    height: 1px;
    background: var(--border);
    margin: 32px 0;
}

.divider-thick {
    height: 3px;
    background: var(--text-headline);
    margin: 24px 0;
}

.divider-double {
    height: 4px;
    border-top: 1px solid var(--border-heavy);
    border-bottom: 1px solid var(--border-heavy);
    margin: 24px 0;
}

/* ===== MASTHEAD / NAVIGATION ===== */
#desktop-nav {
    background: var(--bg-primary);
    border-bottom: 3px double var(--border-heavy);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

#desktop-nav .container {
    text-align: center;
}

.masthead {
    margin-bottom: 16px;
}

.logo {
    font-family: var(--font-headline);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-headline);
    letter-spacing: -1px;
    display: block;
}

.masthead-tagline {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 4px;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    list-style: none;
    padding: 16px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin-top: 16px;
}

.nav-links li a {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition-fast);
}

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

.nav-date {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 12px;
}

/* Mobile Navigation */
#hamburger-nav {
    display: none;
    background: var(--bg-primary);
    border-bottom: 2px solid var(--border-heavy);
    padding: 16px 24px;
    position: sticky;
    top: 0;
    z-index: 1000;
    justify-content: space-between;
    align-items: center;
}

.hamburger-icon {
    width: 24px;
    height: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
}

.hamburger-icon span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

.hamburger-icon.open span:first-child {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-icon.open span:nth-child(2) {
    opacity: 0;
}

.hamburger-icon.open span:last-child {
    transform: rotate(-45deg) translate(5px, -5px);
}

.menu-links {
    position: fixed;
    top: 60px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 60px);
    background: var(--bg-secondary);
    padding: 32px;
    transition: var(--transition-normal);
    list-style: none;
    border-left: 1px solid var(--border);
}

.menu-links.open {
    right: 0;
}

.menu-links li {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.menu-links li a {
    font-family: var(--font-headline);
    font-size: 1.25rem;
    color: var(--text-primary);
}

/* ===== HERO / FRONT PAGE ===== */
#hero {
    padding: 60px 0;
    border-bottom: 3px double var(--border-heavy);
}

.hero-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 48px;
    align-items: start;
}

.hero-main {
    border-right: 1px solid var(--border);
    padding-right: 48px;
}

.hero-headline {
    font-family: var(--font-headline);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-headline);
}

.hero-headline .highlight {
    color: var(--accent);
}

.hero-byline {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.hero-lede {
    font-family: var(--font-body);
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 32px;
}

.hero-lede::first-letter {
    font-family: var(--font-headline);
    font-size: 4rem;
    font-weight: 700;
    float: left;
    line-height: 0.8;
    margin-right: 12px;
    margin-top: 8px;
    color: var(--accent);
}

.hero-stats {
    display: flex;
    gap: 32px;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-number {
    font-family: var(--font-headline);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 8px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    color: var(--bg-primary);
}

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

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Hero Sidebar */
.hero-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.hero-portrait img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    filter: grayscale(20%) contrast(1.05);
    border: 4px solid var(--border-heavy);
}

.hero-portrait figcaption {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-quick-facts {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 20px;
}

.quick-facts-title {
    font-family: var(--font-headline);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-headline);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent);
}

.quick-fact {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px dotted var(--border);
    font-size: 0.875rem;
}

.quick-fact:last-child {
    border-bottom: none;
}

.quick-fact-label {
    color: var(--text-muted);
}

.quick-fact-value {
    color: var(--text-primary);
    font-weight: 500;
}

.availability-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-dim);
    border: 1px solid var(--accent);
    padding: 12px 16px;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.availability-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* ===== ABOUT SECTION ===== */
#about {
    background: var(--bg-secondary);
}

.about-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 48px;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    filter: grayscale(30%) contrast(1.05);
    border: 1px solid var(--border);
}

.about-image-caption {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 8px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-content h2 {
    font-family: var(--font-headline);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-headline);
}

.about-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    column-count: 1;
}

.about-text p {
    margin-bottom: 16px;
    text-align: justify;
    text-justify: inter-word;
}

.affiliations-section {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.affiliations-title {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.affiliations-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.affiliation-tag {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 8px 16px;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
}

/* ===== EXPERIENCE SECTION ===== */
#experience {
    background: var(--bg-primary);
}

.experience-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
    font-style: italic;
    color: var(--text-secondary);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--border);
}

.experience-card {
    padding: 32px;
    border-right: 1px solid var(--border);
    transition: var(--transition-fast);
}

.experience-card:last-child {
    border-right: none;
}

.experience-card:hover {
    background: var(--bg-card-hover);
}

.experience-company {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.experience-role {
    font-family: var(--font-headline);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-headline);
    margin-bottom: 8px;
}

.experience-meta {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.experience-bullets {
    list-style: none;
}

.experience-bullets li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.experience-bullets li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--text-muted);
}

/* ===== PROJECTS SECTION ===== */
#projects {
    background: var(--bg-secondary);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--border);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

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

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

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(15%) contrast(1.02);
    transition: var(--transition-normal);
}

.project-card:hover .project-image img {
    filter: grayscale(0%) contrast(1);
    transform: scale(1.02);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition-fast);
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 40px;
    height: 40px;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.project-link:hover {
    background: var(--accent-hover);
}

.project-link svg {
    width: 18px;
    height: 18px;
    fill: var(--bg-primary);
}

.project-content {
    padding: 24px;
}

.project-year {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.project-title {
    font-family: var(--font-headline);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-headline);
    margin-bottom: 12px;
}

.project-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    font-family: var(--font-ui);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== SKILLS SECTION ===== */
#skills {
    background: var(--bg-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--border);
}

.skills-category {
    padding: 32px;
    border-right: 1px solid var(--border);
}

.skills-category:last-child {
    border-right: none;
}

.skills-category-title {
    font-family: var(--font-headline);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-headline);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-item {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 8px 0;
    border-bottom: 1px dotted var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-item:last-child {
    border-bottom: none;
}

.skill-item::after {
    content: '✓';
    color: var(--accent);
    font-size: 0.75rem;
}

/* ===== EDUCATION SECTION ===== */
#education {
    background: var(--bg-secondary);
}

.education-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
}

.education-main {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 32px;
}

.education-school {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-headline);
    margin-bottom: 8px;
}

.education-degree {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.education-stats {
    display: flex;
    gap: 32px;
}

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

.education-stat-value {
    font-family: var(--font-headline);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.education-stat-label {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.accolades {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.accolade-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition-fast);
}

.accolade-item:hover {
    border-color: var(--accent);
}

.accolade-icon {
    color: var(--accent);
    font-size: 1.25rem;
}

.accolade-content h4 {
    font-family: var(--font-headline);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-headline);
    margin-bottom: 2px;
}

.accolade-content p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== CONTACT SECTION ===== */
#contact {
    background: var(--bg-primary);
    text-align: center;
}

.contact-headline {
    font-family: var(--font-headline);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-headline);
    margin-bottom: 16px;
}

.contact-subtext {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.contact-grid {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 24px 40px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition-fast);
}

.contact-card:hover {
    border-color: var(--accent);
}

.contact-card-icon {
    color: var(--accent);
    font-size: 1.5rem;
}

.contact-card-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--accent);
}

.contact-card-text h4 {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.contact-card-text p {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
}

/* ===== FOOTER ===== */
footer {
    background: var(--bg-secondary);
    border-top: 3px double var(--border-heavy);
    padding: 40px 0;
    text-align: center;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 32px;
    list-style: none;
    margin-bottom: 24px;
}

.footer-nav a {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-copyright {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
}

.footer-socials {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}

.footer-socials a {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

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

.footer-socials svg {
    width: 16px;
    height: 16px;
    fill: var(--text-muted);
    transition: var(--transition-fast);
}

.footer-socials a:hover svg {
    fill: var(--accent);
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-heavy);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}