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

:root{--ink:#151515;--paper:#f7f3ea;--white:#fff;--coral:#ff765f;--yellow:#ffd553;--blue:#77b9f2;--green:#8dca9c;--line:rgba(21,21,21,.16);--max:1180px;--shadow:0 20px 55px rgba(44,37,25,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans Thai",sans-serif;line-height:1.75}img{display:block;max-width:100%}a{color:inherit}.skip-link{position:absolute;left:-999px;top:1rem;background:#fff;padding:.6rem 1rem;z-index:100}.skip-link:focus{left:1rem}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:2rem;padding:1rem max(1.25rem,calc((100% - var(--max))/2));background:rgba(247,243,234,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:.7rem;margin-right:auto;text-decoration:none;font-family:"Kanit",sans-serif;font-weight:600;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--ink);color:#fff;font-size:.78rem;letter-spacing:.08em}.main-nav{display:flex;gap:.25rem;align-items:center}.main-nav a{padding:.5rem .7rem;border-radius:999px;text-decoration:none;font-size:.85rem;font-weight:600}.main-nav a:hover,.main-nav a.active{background:var(--ink);color:#fff}.menu-button{display:none;border:1px solid var(--ink);background:none;border-radius:999px;padding:.5rem .9rem;font:inherit;font-weight:600}.hero{max-width:var(--max);min-height:690px;margin:auto;padding:5rem 1.25rem;display:grid;grid-template-columns:1.05fr .95fr;gap:5rem;align-items:center}.eyebrow,.section-number{margin:0 0 1rem;font-family:"Kanit",sans-serif;font-size:.78rem;font-weight:700;letter-spacing:.16em}.hero h1,.page-hero h1,.simple-hero h1,.author-card h1{font-family:"Kanit",sans-serif;font-size:clamp(3.3rem,7vw,6.7rem);line-height:.95;letter-spacing:-.045em;margin:.2rem 0 1.7rem}.hero h1 span{color:#ef5f49}.hero-copy>p:not(.eyebrow){font-size:1.12rem;max-width:600px}.button-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}.button{display:inline-block;border:2px solid var(--ink);padding:.78rem 1.3rem;border-radius:999px;text-decoration:none;font-weight:700}.button.primary{background:var(--ink);color:#fff}.button:hover{transform:translateY(-2px)}.hero-image{position:relative;margin:0;padding:1.2rem;background:var(--yellow);transform:rotate(2deg);box-shadow:var(--shadow)}.hero-image img{width:100%;aspect-ratio:1/1;object-fit:contain;background:#fff}.hero-image figcaption{font-weight:700;padding:.9rem .25rem 0}.section{max-width:var(--max);margin:auto;padding:5.5rem 1.25rem}.intro-grid{display:grid;grid-template-columns:1fr 2fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}h2,h3{font-family:"Kanit",sans-serif;line-height:1.2}h2{font-size:clamp(2rem,4vw,3.5rem);margin:.2rem 0 1.4rem}.lead-text{font-size:clamp(1.25rem,2.5vw,2rem);line-height:1.55}.lead-text p{margin:0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:2rem;margin-bottom:2.5rem}.section-heading p{max-width:300px}.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.topic-card{min-height:330px;padding:1.6rem;display:flex;flex-direction:column;text-decoration:none;border:1px solid var(--ink);transition:.2s ease}.topic-card:hover{transform:translateY(-7px);box-shadow:8px 8px 0 var(--ink)}.topic-card span{font-weight:700}.topic-card h3{font-size:1.5rem;margin:3.5rem 0 1rem}.topic-card p{margin:0 0 1.5rem}.topic-card b{margin-top:auto}.coral{background:var(--coral)}.yellow{background:var(--yellow)}.blue{background:var(--blue)}.green{background:var(--green)}footer{display:flex;justify-content:space-between;gap:2rem;padding:2rem max(1.25rem,calc((100% - var(--max))/2));background:var(--ink);color:#fff;font-size:.88rem}footer a:hover{color:var(--yellow)}
.page-hero{max-width:var(--max);margin:2rem auto 0;padding:4rem;display:grid;grid-template-columns:1.25fr .75fr;gap:3rem;align-items:center;min-height:570px}.page-hero h1{font-size:clamp(3rem,6vw,5.8rem)}.page-hero>div>p:last-child{font-size:1.1rem;max-width:600px}.page-hero img{width:100%;max-height:400px;object-fit:contain;background:#fff;border:1px solid var(--ink);box-shadow:10px 10px 0 var(--ink)}.coral-bg{background:var(--coral)}.yellow-bg{background:var(--yellow)}.blue-bg{background:var(--blue)}.green-bg{background:var(--green)}.article-layout{max-width:var(--max);margin:auto;padding:6rem 1.25rem;display:grid;grid-template-columns:260px 1fr;gap:5rem}.article-layout aside{position:sticky;top:100px;align-self:start;border-top:2px solid var(--ink)}.article-layout aside p{font-weight:700}.article-layout aside a{display:block;padding:.5rem 0;text-decoration:none}.article-body{max-width:760px}.article-body section+section{margin-top:5rem}.article-body p{font-size:1.12rem}.callout{display:flex;flex-direction:column;gap:.5rem;margin-top:2rem;padding:1.5rem;border-left:6px solid var(--coral);background:#fff}.page-nav{max-width:var(--max);margin:auto;padding:2rem 1.25rem 5rem;display:flex;justify-content:space-between;gap:1rem}.page-nav a{font-weight:700}.type-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink);border-left:1px solid var(--ink)}.type-grid article{padding:2.5rem;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink)}.type-grid article span{font-family:"Kanit";font-weight:700;color:#d44b37}.type-grid h2{font-size:2rem;margin-top:1.5rem}.image-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:4rem}.image-strip img{width:100%;height:310px;object-fit:contain;background:#fff;border:1px solid var(--line)}.benefit-section{display:grid;grid-template-columns:1.15fr .85fr;gap:4rem}.benefit-list{border-top:1px solid var(--ink)}.benefit-list div{display:grid;grid-template-columns:55px 1fr;align-items:start;padding:1.2rem 0;border-bottom:1px solid var(--ink)}.benefit-list p{margin:0;font-size:1.08rem}.benefit-list b{color:#2679bf}.feature-figure{position:sticky;top:110px;align-self:start;margin:0;background:var(--blue);padding:1.2rem}.feature-figure img{width:100%;background:#fff}.feature-figure figcaption{padding-top:1rem;font-weight:700}.safety-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:5rem}.check-list{margin:0;padding:0;list-style:none;counter-reset:steps}.check-list li{counter-increment:steps;position:relative;padding:1.3rem 1rem 1.3rem 4.5rem;border-bottom:1px solid var(--ink);font-size:1.08rem}.check-list li:first-child{border-top:1px solid var(--ink)}.check-list li:before{content:counter(steps,decimal-leading-zero);position:absolute;left:.5rem;font-family:"Kanit";font-weight:700;color:#38834a}.warning{max-width:var(--max);margin:0 auto 5rem;padding:3.5rem;display:grid;grid-template-columns:1fr 260px;gap:4rem;align-items:center;background:var(--ink);color:#fff}.warning h2{color:var(--yellow)}.warning img{max-height:320px;width:100%;object-fit:contain;background:#fff}.simple-hero{max-width:var(--max);margin:auto;padding:7rem 1.25rem 4rem;border-bottom:1px solid var(--ink)}.simple-hero h1{font-size:clamp(3.2rem,8vw,7rem)}.simple-hero>p:last-child{font-size:1.2rem}.reference-list{padding-top:2rem}.reference-list article{display:grid;grid-template-columns:100px 1fr;gap:2rem;padding:2rem 0;border-bottom:1px solid var(--ink)}.reference-list article>span{font-family:"Kanit";font-size:1.3rem;font-weight:700;color:#d44b37}.reference-list h2{font-size:1.8rem;margin:0}.reference-list p{margin:.5rem 0 0}.author-page{min-height:calc(100vh - 160px);display:grid;place-items:center;padding:5rem 1.25rem;background:linear-gradient(135deg,var(--coral),var(--yellow))}.author-card{width:min(100%,680px);padding:4rem;text-align:center;background:var(--paper);border:1px solid var(--ink);box-shadow:14px 14px 0 var(--ink)}.author-card h1{font-size:clamp(2.6rem,6vw,4.7rem)}.avatar{display:grid;place-items:center;width:110px;height:110px;margin:2rem auto;border-radius:50%;background:var(--ink);color:#fff;font-family:"Kanit";font-size:3.5rem}.author-card dl{margin:2rem 0 2.5rem;border-top:1px solid var(--ink)}.author-card dl div{display:flex;justify-content:space-between;gap:2rem;padding:.8rem;border-bottom:1px solid var(--ink)}.author-card dt{font-weight:700}.author-card dd{margin:0}
@media(max-width:950px){.site-header{flex-wrap:wrap}.menu-button{display:block}.main-nav{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;padding-top:.5rem}.main-nav.open{display:flex}.main-nav a{text-align:center}.hero{grid-template-columns:1fr;gap:3rem;min-height:0}.hero-image{max-width:620px}.card-grid{grid-template-columns:1fr 1fr}.page-hero{margin:0;grid-template-columns:1fr;padding:3rem 1.25rem}.page-hero img{max-width:500px}.article-layout{grid-template-columns:1fr;gap:2rem}.article-layout aside{display:none}.benefit-section,.safety-layout{grid-template-columns:1fr}.feature-figure{position:static;max-width:500px}.warning{margin:0 1.25rem 4rem}.brand span:last-child{display:none}}
@media(max-width:620px){.hero{padding-top:3.5rem}.hero h1{font-size:3.5rem}.intro-grid{grid-template-columns:1fr;gap:1.2rem}.section,.article-layout{padding-top:4rem;padding-bottom:4rem}.section-heading{align-items:start;flex-direction:column}.card-grid,.type-grid,.image-strip{grid-template-columns:1fr}.topic-card{min-height:260px}.topic-card h3{margin-top:2.5rem}.page-hero h1{font-size:3.3rem}.page-hero{min-height:0}.image-strip img{height:280px}.warning{grid-template-columns:1fr;padding:2rem}.warning img{max-width:220px}.page-nav{align-items:flex-start;flex-direction:column}.reference-list article{grid-template-columns:50px 1fr;gap:1rem}.author-card{padding:2.5rem 1.25rem}.author-card dl div{gap:1rem}footer{flex-direction:column;gap:.25rem}footer p{margin:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

.author-photo{width:min(100%,360px);aspect-ratio:1;margin:2rem auto;overflow:hidden;border:1px solid var(--ink);border-radius:50%;box-shadow:8px 8px 0 var(--coral)}
.author-photo img{width:100%;height:100%;object-fit:cover;object-position:center}