@import "https://fonts.googleapis.com/css2?family=Xanh+Mono:ital@0;1&family=Inconsolata:wght@300;400;500&display=swap";:root{--color-bg:#f1f1f1;--color-surface:#f7f5f1;--color-text:#1c1b19;--color-text-muted:#5a5750;--color-accent:#064e3b;--color-accent-alt:#5e0880;--color-border:#ccc8c1;--font-body:"Inconsolata", sans-serif;--font-display:"Xanh Mono", sans-serif;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:2rem;--text-4xl:2.75rem;--text-hero:clamp(1.9rem, 4.5vw, 3.25rem);--max-width:1200px;--radius:6px}html.dark{--color-bg:#151619;--color-surface:#191a1c;--color-text:#e9e4d9;--color-text-muted:#b0aead;--color-accent:#12ba82;--color-accent-alt:#c94c97;--color-border:#393632}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;font-size:16px}body{font-family:var(--font-body);background-color:var(--color-bg);color:var(--color-text);line-height:1.6;transition:background-color .25s,color .25s}main{--page-x:clamp(1.5rem, 6vw, 5rem);--section-y:clamp(3.5rem, 7vw, 6rem)}h1,h2,h3,h4{font-family:var(--font-display);line-height:1.2}a{color:var(--color-accent)}img{max-width:100%;display:block}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}