*,
 *::before,
 *::after {
     box-sizing: border-box;
     margin: 0;
     padding: 0;
 }

 html {
     scroll-behavior: smooth;
 }

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

 ul {
     list-style: none;
 }

 :root {
     --bg: #0d0d0d;
     --card: #141414;
     --primary: #00ff9d;
     --beige: #f2e4cc;
     --border: rgba(255, 255, 255, 0.06);
     --text: #ffffff;
     --text-muted: rgba(255, 255, 255, 0.55);
     --text-faint: rgba(255, 255, 255, 0.4);
     --radius: 16px;
     --font-heading: 'Inter', ui-sans-serif, system-ui, sans-serif;
     --font-mono: 'JetBrains Mono', ui-monospace, monospace;
     --pad-x: clamp(1.5rem, 8vw, 8rem);
 }

 body {
     background: var(--bg);
     color: var(--text);
     font-family: var(--font-heading);
     line-height: 1.5;
     -webkit-font-smoothing: antialiased;
 }

 ::selection {
     background: rgba(0, 255, 157, 0.2);
 }

 ::-webkit-scrollbar {
     width: 4px;
 }

 ::-webkit-scrollbar-track {
     background: #0d1117;
 }

 ::-webkit-scrollbar-thumb {
     background: #1e2a38;
     border-radius: 2px;
 }

 .section {
     padding-left: var(--pad-x);
     padding-right: var(--pad-x);
 }

 .mono-xs {
     font-family: var(--font-mono);
     font-size: 0.75rem;
     letter-spacing: 0.15em;
     text-transform: uppercase;
 }

 .reveal {
     opacity: 0;
     transform: translateY(30px);
     transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
 }

 .reveal.in-view {
     opacity: 1;
     transform: translateY(0);
 }

 .slide-up {
     opacity: 0;
     transform: translateY(40px);
     animation: slideUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
 }

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

 .back-link {
     display: inline-flex;
     align-items: center;
     gap: 0.5rem;
     font-family: var(--font-mono);
     font-size: 0.75rem;
     letter-spacing: 0.15em;
     text-transform: uppercase;
     color: var(--text-muted);
     transition: color 0.2s;
     margin-bottom: 3rem;
 }

 .back-link:hover {
     color: var(--primary);
 }

 .back-link .lucide {
     width: 14px;
     height: 14px;
 }

 .hero {
     padding-top: 6rem;
     padding-bottom: 4rem;
 }

 .hero-label {
     color: var(--primary);
 }

 .hero-h1 {
     font-family: var(--font-heading);
     font-weight: 900;
     font-size: clamp(2.5rem, 6vw, 4.5rem);
     letter-spacing: -0.04em;
     line-height: 0.95;
     margin-top: 1rem;
     margin-bottom: 1.5rem;
 }

 .hero-h1 .alt {
     color: var(--beige);
 }

 .hero-date {
     font-family: var(--font-mono);
     font-size: 0.75rem;
     letter-spacing: 0.05em;
     color: var(--text-faint);
 }

 .intro {
     padding-bottom: 3rem;
 }

 .intro-card {
     padding: 2rem;
     background: var(--card);
     border-radius: var(--radius);
     border-left: 2px solid var(--primary);
     margin-bottom: 2rem;
 }

 .intro-card p {
     font-size: 0.875rem;
     line-height: 1.6;
     color: rgba(255, 255, 255, 0.65);
 }

 .intro-card p.strong {
     margin-top: 1rem;
     font-weight: 500;
     color: rgba(255, 255, 255, 0.8);
 }

 .toc-card {
     padding: 2rem;
     background: var(--card);
     border-radius: var(--radius);
     border: 1px solid var(--border);
 }

 .toc-title {
     font-family: var(--font-mono);
     font-size: 0.75rem;
     letter-spacing: 0.15em;
     text-transform: uppercase;
     margin-bottom: 1.5rem;
     color: var(--beige);
 }

 .toc-grid {
     display: grid;
     grid-template-columns: 1fr;
     gap: 0.5rem;
 }

 @media (min-width: 768px) {
     .toc-grid {
         grid-template-columns: 1fr 1fr;
     }
 }

 .toc-link {
     font-size: 0.875rem;
     color: rgba(255, 255, 255, 0.45);
     transition: color 0.2s;
 }

 .toc-link:hover {
     color: var(--primary);
 }

 .sections {
     padding-bottom: 8rem;
     display: flex;
     flex-direction: column;
     gap: 1.5rem;
 }

 .section-card {
     padding: 2rem;
     background: var(--card);
     border-radius: var(--radius);
     border: 1px solid var(--border);
 }

 .section-card h2 {
     font-family: var(--font-heading);
     font-weight: 700;
     font-size: 1.125rem;
     margin-bottom: 1rem;
     color: var(--beige);
 }

 .section-card p {
     font-size: 0.875rem;
     line-height: 1.6;
     color: rgba(255, 255, 255, 0.6);
     white-space: pre-line;
 }

 @media (prefers-reduced-motion: reduce) {

     *,
     *::before,
     *::after {
         animation-duration: 0.01ms !important;
         transition-duration: 0.01ms !important;
     }
 }