@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Noto+Sans+Thai:wght@400;500;600;700&display=swap');

:root { --ink:#1b2840; --muted:#746d5f; --paper:#f4f1ea; --white:#fffefa; --line:rgba(27,40,64,.14); --green:#2f6ea8; --mint:#dcecf7; --yellow:#f1e2b8; --peach:#f2ddd2; --navy:#1f3a5f; --gold:#a6822f; --cyan:#2f6ea8; }
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans Thai",system-ui,sans-serif;line-height:1.65}.wrap{width:min(1120px,calc(100% - 40px));margin:0 auto}.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:#fff;padding:8px;z-index:10}.site-header{border-bottom:1px solid var(--line);background:rgba(245,244,239,.9);position:sticky;top:0;z-index:5;backdrop-filter:blur(10px)}.header-row{min-height:70px;display:flex;justify-content:space-between;align-items:center;gap:16px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;text-decoration:none;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--green);color:#fff;font-family:"DM Mono",monospace}.header-note,.eyebrow,.card-kicker,.detail-label,.card-top{font-family:"DM Mono",monospace;font-size:12px;letter-spacing:.055em}.header-note{color:var(--muted)}.hero{padding:100px 0 64px}.eyebrow{color:var(--green);font-weight:500;margin:0 0 12px}.hero h1,.section-heading h2,.method h2{font-size:clamp(35px,5vw,68px);letter-spacing:-.06em;line-height:1.08;margin:0;font-weight:600}.hero h1 em{font-style:normal;color:var(--green)}.lede{max-width:620px;font-size:20px;color:#48534f;margin:26px 0 38px}.principles{display:flex;gap:12px;flex-wrap:wrap}.principles span{border:1px solid var(--line);border-radius:999px;background:var(--white);padding:8px 13px;font:12px "DM Mono",monospace;color:var(--muted)}.principles b{font-family:"Noto Sans Thai",sans-serif;color:var(--ink);margin-left:5px}.workspace{padding:52px 0;border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px}.section-heading h2,.method h2{font-size:40px}.section-heading>p{color:var(--muted);margin:0}.controls{display:flex;justify-content:space-between;gap:18px;margin:30px 0}.search{flex:1}.search input{width:100%;border:1px solid var(--line);border-radius:10px;padding:13px 15px;background:var(--white);font:16px "Noto Sans Thai",sans-serif;color:var(--ink)}.search input:focus{outline:3px solid #a7d9bd;border-color:var(--green)}.filters{display:flex;gap:6px;flex-wrap:wrap}.filter{border:1px solid var(--line);border-radius:999px;padding:8px 13px;background:transparent;font:14px "Noto Sans Thai",sans-serif;cursor:pointer}.filter:hover,.filter.is-active{color:#fff;background:var(--green);border-color:var(--green)}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:25px;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-2px);box-shadow:0 12px 25px rgba(19,35,31,.07)}.card-top{display:flex;justify-content:space-between;color:var(--muted);align-items:center}.chip{border-radius:999px;padding:4px 9px;font:11px "DM Mono",monospace;display:inline-block}.verified{background:var(--mint);color:#155640}.inference{background:var(--yellow);color:#705800}.review{background:var(--peach);color:#7e3f24}.card-kicker{margin:21px 0 5px;color:var(--green)}.card h3{font-size:24px;letter-spacing:-.035em;line-height:1.35;margin:0 0 12px}.summary{color:#4d5954;margin:0}.tags{display:flex;flex-wrap:wrap;gap:6px;margin:18px 0}.tag{font-size:13px;background:#edf0eb;padding:3px 8px;border-radius:6px}.read-more{border:0;background:none;padding:0;color:var(--green);font:600 14px "Noto Sans Thai",sans-serif;cursor:pointer}.read-more span{font-size:20px;vertical-align:-2px}.detail{border-top:1px solid var(--line);margin-top:20px;padding-top:20px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.detail-label{color:var(--muted);margin:0 0 8px}.detail ul{margin:0;padding-left:20px;font-size:14px}.sources-section{margin-top:20px}.sources a{color:var(--green);text-underline-offset:3px}.empty{grid-column:1/-1;padding:35px;text-align:center;background:var(--white);border-radius:12px;color:var(--muted)}.method{padding:80px 0}.method h2{margin-bottom:28px}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.method-grid article{padding:24px;border-top:3px solid var(--green);background:#e8ebe4}.method-grid h3{font-size:21px;margin:15px 0 8px}.method-grid p{margin:0;color:#4d5954}.footer{border-top:1px solid var(--line);padding:28px 0;background:#e8ebe4}.footer .wrap{display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:14px}.footer strong{color:var(--ink)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:700px){.header-note{display:none}.hero{padding:70px 0 45px}.lede{font-size:17px}.section-heading{align-items:start;flex-direction:column}.controls{flex-direction:column}.cards,.method-grid,.detail-grid{grid-template-columns:1fr}.footer .wrap{flex-direction:column;gap:5px}.card{padding:20px}}
.hero .lede{margin-bottom:18px}.collection-note{max-width:760px;margin:0 0 38px;padding-left:14px;border-left:3px solid var(--green);color:#48534f;font-size:15px}.collection-note strong{color:var(--ink)}

.brand-logo{width:38px;height:38px;border-radius:10px;box-shadow:0 7px 20px rgba(31,58,95,.18)}
.brand-copy{display:grid;line-height:1.05}.brand-copy strong{font-family:"DM Mono",monospace;font-size:13px;letter-spacing:.13em;color:var(--navy)}.brand-copy small{margin-top:5px;font-family:"DM Mono",monospace;font-size:7px;letter-spacing:.15em;color:var(--gold)}
.site-header{border-top:3px solid var(--gold)}
.hero{position:relative}.hero:after{content:"RAG / KNOWLEDGE";position:absolute;right:0;top:72px;font:500 11px "DM Mono",monospace;letter-spacing:.24em;color:rgba(31,58,95,.28);writing-mode:vertical-rl}
.hero h1 em{color:var(--gold)}
.card{border-top:3px solid var(--gold)}
.filter.is-active{background:var(--navy);border-color:var(--navy)}
.read-more{color:var(--navy)}
@media(max-width:700px){.brand-logo{width:34px;height:34px}.brand-copy small{display:none}.hero:after{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}