<style>
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    --bg: #F5F4F0;
    --bg-card: #ECEAE5;
    --bg-card-hover: #E0DED9;
    --bg-nav: rgba(245,244,240,0.92);
    --button: #F5F4F0;
    --text-primary: #1A1A18;
    --text-secondary: #5C5C58;
    --accent: #1A1A18;
    --accent-dim: rgba(26,26,24,0.08);
    --accent-border: rgba(26,26,24,0.2);
    --purple: #3D5A8A;
    --purple-dim: rgba(61,90,138,0.12);
    --purple-border: rgba(61,90,138,0.3);
    --border: rgba(0,0,0,0.08);
    --border-mid: rgba(0,0,0,0.15);
  }

  html[data-theme="dark"] {
    --bg: #1A1A18;
    --bg-card: #242422;
    --bg-card-hover: #2E2E2C;
    --bg-nav: rgba(26,26,24,0.92);
    --button: #1A1A18;
    --text-primary: #F5F4F0;
    --text-secondary: #A0A09C;
    --accent: #F5F4F0;
    --accent-dim: rgba(245,244,240,0.08);
    --accent-border: rgba(245,244,240,0.2);
    --purple: #7A9CC8;
    --purple-dim: rgba(122,156,200,0.15);
    --purple-border: rgba(122,156,200,0.35);
    --border: rgba(255,255,255,0.08);
    --border-mid: rgba(255,255,255,0.15);
  }

  html[data-theme="dark"] .btn-primary:hover {
    background: #E0DED9;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.6;
    overflow-x: hidden;
  }

  /* Skip to content link for accessibility */
  .skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: var(--button);
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 600;
    z-index: 1000;
    transition: top 0.3s;
  }
  .skip-to-content:focus {
    top: 0;
  }

  /* Focus states for accessibility */
  a:focus-visible, button:focus-visible, .btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  /* NAV */
  nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-nav);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0 3rem;
    display: flex;
    align-items: center;
    height: 56px;
  }
  .nav-logo { 
    font-family: 'Space Grotesk', sans-serif; 
    font-weight: 600; 
    font-size: 17px; 
    color: var(--text-primary); 
    letter-spacing: -0.02em; 
  }
  .nav-logo span { color: var(--accent); }
  nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin-left: auto;
  }
  nav ul a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color 0.2s;
    position: relative;
  }
  nav ul a:hover { color: var(--text-primary); }
  nav ul a.active {
    color: var(--accent);
  }
  nav ul a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
  }
  .theme-toggle {
    background: transparent;
    border: 1px solid var(--border-mid);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    margin-left: 1.5rem;
    transition: border-color 0.2s, color 0.2s;
  }
  .theme-toggle:hover {
    border-color: var(--accent-border);
    color: var(--text-primary);
  }
  .icon-sun { display: none; }
  html[data-theme="dark"] .icon-sun { display: flex; }
  html[data-theme="dark"] .icon-moon { display: none; }

  /* HERO */
  .hero {
    min-height: 88vh;
    display: grid;
    grid-template-columns: 1fr 380px;
    align-items: center;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 3rem;
  }

  .profile-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1.5rem;
    border: 2px solid var(--accent-border);
  }
  .profile-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .hero-eyebrow { 
    font-size: 12px; 
    font-weight: 500; 
    letter-spacing: 0.12em; 
    text-transform: uppercase; 
    color: var(--accent); 
    margin-bottom: 1.2rem; 
    display: flex; 
    align-items: center; 
    gap: 8px; 
  }
  .hero-eyebrow::before { 
    content: ''; 
    display: inline-block; 
    width: 24px; 
    height: 1px; 
    background: var(--accent); 
  }
  .hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.6rem, 4.5vw, 4.2rem);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
  }
  .hero h1 .accent { color: var(--accent); }
  .hero-position {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
  }
  .hero-desc {
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 2.5rem;
  }
  .hero-links { 
    display: flex; 
    gap: 1rem; 
    flex-wrap: wrap; 
  }

  /* BUTTONS */
  .btn { 
    padding: 0.6rem 1.4rem; 
    border-radius: 4px; 
    font-size: 13px; 
    font-weight: 500; 
    letter-spacing: 0.02em; 
    text-decoration: none; 
    transition: all 0.2s; 
    cursor: pointer; 
    border: none; 
    display: inline-flex; 
    align-items: center; 
    gap: 6px; 
  }
  .btn-primary {
    background: var(--accent); color: var(--button);
  }
  .btn-primary:hover {
    background: #333330;
  }
  .btn-ghost { 
    background: transparent; 
    color: var(--text-secondary); 
    border: 1px solid var(--border-mid); 
  }
  .btn-ghost:hover { 
    border-color: var(--accent-border); 
    color: var(--text-primary); 
  }

  /* EDUCATION */
  .edu-list { 
    display: flex; 
    flex-direction: column; 
    gap: 0.5rem; 
    margin-top: 3rem; 
    padding-top: 2rem; 
    border-top: 1px solid var(--border); 
  }
  .edu-item { 
    display: flex; 
    gap: 1rem; 
    font-size: 14px; 
    align-items: baseline; 
  }
  .edu-deg { 
    font-weight: 500; 
    color: var(--text-primary); 
    min-width: 40px; 
  }
  .edu-inst { 
    color: var(--text-secondary); }
  .edu-year { 
    color: var(--accent); 
    font-size: 12px; 
    font-family: 'Space Grotesk', sans-serif; 
    font-weight: 600; 
    margin-left: auto; 
  }

  /* SIM CELL */
  .sim-cell-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .sim-cell {
    animation: rotate-slow 60s linear infinite;
  }

  .sim-cell .atoms .atom {
    animation: pulse-atom 3s ease-in-out infinite;
  }

  .sim-cell .atoms .atom-1 { animation-delay: 0s; }
  .sim-cell .atoms .atom-2 { animation-delay: 0.2s; }
  .sim-cell .atoms .atom-3 { animation-delay: 0.4s; }
  .sim-cell .atoms .atom-4 { animation-delay: 0.6s; }
  .sim-cell .atoms .atom-5 { animation-delay: 0.8s; }
  .sim-cell .atoms .atom-6 { animation-delay: 1s; }
  .sim-cell .atoms .atom-7 { animation-delay: 1.2s; }
  .sim-cell .atoms .atom-8 { animation-delay: 1.4s; }
  .sim-cell .atoms .atom-9 { animation-delay: 1.6s; }
  .sim-cell .atoms .atom-10 { animation-delay: 1.8s; }
  .sim-cell .atoms .atom-11 { animation-delay: 2s; }
  .sim-cell .atoms .atom-12 { animation-delay: 2.2s; }
  .sim-cell .atoms .atom-13 { animation-delay: 2.4s; }
  .sim-cell .atoms .atom-14 { animation-delay: 2.6s; }

  /* STATS STRIP */
  .stats-strip { 
    max-width: 1100px;
    margin: 0 auto; 
    background: var(--bg-card); 
    border-top: 1px solid var(--border); 
    border-bottom: 1px solid var(--border); 
    padding: 2.5rem 3rem; 
    display: flex; 
  }
  .stat-item { 
    flex: 1; 
    padding: 0 2.5rem; 
    border-right: 1px solid var(--border); }
  .stat-item:first-child { 
    padding-left: 0; 
  }
  .stat-item:last-child { 
    border-right: none; 
  }
  .stat-num { 
    font-family: 'Space Grotesk', sans-serif; 
    font-size: 2.2rem; 
    font-weight: 600; 
    color: var(--accent); 
    letter-spacing: -0.04em; 
    line-height: 1; 
    margin-bottom: 4px; 
  }
  .stat-label { 
    font-size: 12px; 
    text-transform: uppercase; 
    letter-spacing: 0.08em; 
    color: var(--text-secondary); 
    font-weight: 500; 
  }

  /* SECTIONS */
  section {
    padding: 6.5rem 3rem;
    max-width: 1100px;
    margin: 0 auto;
  }
  .section-eyebrow {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
  }
  h2.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.4rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 4rem;
  }

  /* RESEARCH */
  .research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .research-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: border-color 0.2s, background 0.2s;
    position: relative;
    overflow: hidden;
  }
  .research-card::before { 
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 3px; 
    height: 100%; 
    background: var(--accent); 
    opacity: 0; 
    transition: opacity 0.2s; 
  }
  .research-card:hover { 
    border-color: var(--accent-border); 
    background: var(--bg-card-hover); 
  }
  .research-card:hover::before { opacity: 1; }
  .research-card-tag { 
    font-size: 11px; 
    font-weight: 600; 
    letter-spacing: 0.1em; 
    text-transform: uppercase; 
    color: var(--accent); 
    margin-bottom: 0.75rem; 
  }
  .research-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    line-height: 1.3;
  }
  .research-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.75;
  }

  /* PUBLICATIONS */
  .pub-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  .pub-item {
    display: grid;
    grid-template-columns: 2.5rem 1fr;
    gap: 1.25rem;
    align-items: start;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: border-color 0.2s;
  }
  .pub-item:hover { border-color: var(--border-mid); }
  .pub-num { 
    font-family: 'Space Grotesk', sans-serif; 
    font-size: 1.5rem; 
    font-weight: 700; 
    color: var(--accent); 
    opacity: 0.4; 
    letter-spacing: -0.04em; 
    line-height: 1; 
    padding-top: 3px; 
  }
  .pub-title { 
    font-size: 15px; 
    font-weight: 500; 
    color: var(--text-primary); 
    margin-bottom: 4px; 
    line-height: 1.4; 
  }
  .pub-venue { 
    font-size: 13px; 
    color: var(--text-secondary); 
    margin-bottom: 8px; 
  }
  .pub-links { 
    display: flex; 
    gap: 10px; 
    flex-wrap: wrap; 
  }
  .pub-link { 
    font-size: 12px; 
    color: var(--accent); 
    text-decoration: none; 
    font-weight: 500; 
    letter-spacing: 0.02em; 
    opacity: 0.85; 
  }
  .pub-link:hover { opacity: 1; }

  /* TOOLS */
  .tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
  .tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.2s;
    text-decoration: none;
    display: block;
    color: inherit;
  }
  .tool-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-2px);
  }
  .tool-card-more {
    border-style: dashed;
    opacity: 0.75;
  }
  .tool-card-more:hover {
    opacity: 1;
    border-style: solid;
  }
  .tool-icon {
    width: 36px;
    height: 36px;
    background: var(--accent-dim);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 14px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--accent);
  }
  .tool-card h3 { 
    font-family: 'Space Grotesk', sans-serif; 
    font-size: 1rem; 
    font-weight: 600; 
    color: var(--text-primary); 
    margin-bottom: 0.4rem; 
    letter-spacing: -0.01em; 
  }
  .tool-card p { 
    font-size: 13px; 
    color: var(--text-secondary); 
    line-height: 1.6; 
    margin-bottom: 0.75rem; 
  }
  .tool-lang { 
    display: inline-block; 
    font-size: 11px; 
    font-weight: 600; 
    letter-spacing: 0.06em; 
    text-transform: uppercase; 
    color: var(--accent); 
    background: var(--accent-dim); 
    padding: 2px 8px; 
    border-radius: 3px; 
  }

  /* SKILLS */
  .skills-grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 1.5rem 2rem; 
  }
  .skill-group h4 { 
    font-size: 11px; 
    font-weight: 600; 
    letter-spacing: 0.1em; 
    text-transform: uppercase; 
    color: var(--accent); 
    margin-bottom: 0.75rem; 
    padding-bottom: 0.5rem; 
    border-bottom: 1px solid var(--border); }
  .skill-group ul { list-style: none; }
  .skill-group li { 
    font-size: 13px; 
    color: var(--text-secondary); 
    padding: 4px 0; 
    display: flex; 
    align-items: center; 
    gap: 6px; 
  }
  .skill-group li::before { 
    content: ''; 
    width: 4px; 
    height: 4px; 
    background: var(--accent);
    opacity: 0.45; 
    border-radius: 50%; 
    flex-shrink: 0; 
  }

  /* CONTACT */
  .contact-block { 
    background: var(--bg-card); 
    border: 1px solid var(--border); 
    border-radius: 6px; 
    padding: 3rem; 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 3rem; 
    align-items: center; 
  }
  .contact-block h2 { 
    font-family: 'Space Grotesk', sans-serif; 
    font-size: 1.75rem; 
    font-weight: 600; 
    letter-spacing: -0.02em; 
    margin-bottom: 0.75rem; 
  }
  .contact-block p { 
    font-size: 14px; 
    color: var(--text-secondary); 
    line-height: 1.7; 
  }
  .contact-links { 
    display: flex; 
    flex-direction: column; 
    gap: 0.75rem; 
  }
  .contact-link-item { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    text-decoration: none; 
    color: var(--text-secondary); 
    font-size: 14px; 
    transition: color 0.2s; 
  }
  .contact-link-item:hover { 
    color: var(--text-primary); }
  .contact-link-label { 
    width: 80px; 
    font-size: 11px; 
    font-weight: 600; 
    letter-spacing: 0.08em; 
    text-transform: uppercase; 
    color: var(--accent); 
    opacity: 0.7; 
  }

  /* MISC */
  .award-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-mid);
    border-radius: 20px;
    padding: 5px 14px;
    margin-bottom: 2.5rem;
  }
  .award-badge span {
    color: var(--accent);
  }

  .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid var(--accent-border);
    border-radius: 20px;
    padding: 6px 12px;
    margin-bottom: 1rem;
    animation: pulse-border 2s ease-in-out infinite;
  }
  .status-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
  }

  .pub-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--purple);
    background: var(--purple-dim);
    border: 1px solid var(--purple-border);
    border-radius: 3px;
    padding: 2px 6px;
    margin-left: 8px;
    vertical-align: middle;
  }
  hr.divider { 
    border: none; 
    border-top: 1px solid var(--border); 
    max-width: 1100px; 
    margin: 0 auto; 
  }
  footer {
    padding: 2rem 3rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
  }
  footer p {
    font-size: 12px;
    color: var(--text-secondary);
    opacity: 0.45;
  }

  /* PROJECTS TEASER */
  .projects-teaser {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 3rem 6.5rem;
  }
  .projects-teaser-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 1.25rem;
  }
  .projects-teaser-all {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color 0.2s;
  }
  .projects-teaser-all:hover { color: var(--text-primary); }
  .projects-teaser-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  /* PAGE HERO (inner pages) */
  a.nav-logo {
    text-decoration: none;
    color: var(--text-primary);
  }
  .page-hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 5rem 3rem 4rem;
    border-bottom: 1px solid var(--border);
  }
  .page-hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.4rem, 4vw, 3.6rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 1.05;
    color: var(--text-primary);
    margin-top: 0.5rem;
    margin-bottom: 1rem;
  }

  /* PROJECT CARDS */
  .project-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
  }
  .project-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-2px);
  }
  .project-card-banner {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--accent-dim);
    overflow: hidden;
  }
  .project-card-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .project-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .project-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
  }
  .project-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 1.25rem;
  }
  .project-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 1rem;
  }
  .project-tag {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: var(--bg);
    border: 1px solid var(--border-mid);
    padding: 2px 8px;
    border-radius: 3px;
  }
  .project-links {
    display: flex;
    gap: 1rem;
  }
  .project-link {
    font-size: 12px;
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 0.02em;
    opacity: 0.85;
  }
  .project-link:hover { opacity: 1; }

  /* ANIMATIONS */
  @keyframes rotate-slow {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
  }

  @keyframes pulse-atom {
    0%, 100% { opacity: 0.85; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
  }

  @keyframes pulse-border {
    0%, 100% { border-color: var(--accent-border); }
    50% { border-color: var(--accent); }
  }

  @keyframes pulse-dot {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
  }

  /* Reduced motion preference */
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }

  /* RESPONSIVE DESIGN */
  @media (max-width: 1100px) {
    nav { padding: 0 2rem; }
    .hero { padding: 3rem 2rem; }
    section { padding: 5rem 2rem; }
    footer { padding: 2rem 2rem; }
  }

  @media (max-width: 900px) {
    .hero {
      grid-template-columns: 1fr;
      min-height: auto;
      gap: 2rem;
    }
    .sim-cell-wrap {
      order: -1;
    }
    .sim-cell {
      width: 240px;
      height: 240px;
    }
    .research-grid {
      grid-template-columns: 1fr;
    }
    .project-grid {
      grid-template-columns: 1fr;
    }
    .skills-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .contact-block {
      grid-template-columns: 1fr;
      gap: 2rem;
    }
  }

  @media (max-width: 768px) {
    nav ul {
      gap: 1.5rem;
    }
    nav ul a {
      font-size: 12px;
    }
    .tools-grid {
      grid-template-columns: 1fr;
    }
    .stats-strip {
      flex-direction: column;
      gap: 2rem;
    }
    .stat-item {
      border-right: none;
      border-bottom: 1px solid var(--border);
      padding: 0 0 1.5rem 0;
    }
    .stat-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
  }

  @media (max-width: 600px) {
    nav {
      padding: 0 1.5rem;
    }
    .nav-logo {
      font-size: 15px;
    }
    nav ul {
      gap: 1rem;
    }
    nav ul a {
      font-size: 11px;
    }
    .hero {
      padding: 2rem 1.5rem;
    }
    .hero h1 {
      font-size: 2rem;
    }
    section {
      padding: 3rem 1.5rem;
    }
    .skills-grid {
      grid-template-columns: 1fr;
    }
    .contact-block {
      padding: 2rem;
    }
    footer {
      flex-direction: column;
      gap: 0.5rem;
      text-align: center;
    }
  }
</style>