:root{
  --sand:#f7f2e9;
  --sand-2:#efe6d7;
  --ink:#2b2419;
  --ink-soft:#5b5040;
  --clay:#8a5a3b;
  --clay-dark:#6c452c;
  --leaf:#4e6146;
  --line:#e2d6c2;
  --white:#fffdf9;
  --radius:14px;
  --shadow:0 18px 40px -24px rgba(60,42,22,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--sand);color:var(--ink);font-family:"Noto Sans Thai",system-ui,sans-serif;font-size:17px;line-height:1.95;font-weight:300;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:"Noto Serif Thai",serif;font-weight:700;line-height:1.5;color:var(--ink);margin:0 0 .6em}
h1{font-size:clamp(2rem,4.6vw,3.2rem)}
h2{font-size:clamp(1.5rem,2.8vw,2.1rem);margin-top:0}
h3{font-size:1.2rem}
p{margin:0 0 1.1em}
a{color:var(--clay-dark)}
img{max-width:100%;display:block;height:auto}
.wrap{width:min(1180px,92vw);margin-inline:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem 1rem;z-index:99}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(247,242,233,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head-inner{display:flex;align-items:center;gap:1.5rem;padding:.7rem 0;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink);margin-right:auto}
.mark{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--clay);color:#fff;font-family:"Noto Serif Thai",serif;font-size:.85rem;letter-spacing:.02em}
.logo-text{font-family:"Noto Serif Thai",serif;font-weight:700;line-height:1.3;display:block}
.logo-text small{display:block;font-family:"Noto Sans Thai",sans-serif;font-weight:300;font-size:.72rem;color:var(--ink-soft);letter-spacing:.08em}
.main-nav{display:flex;gap:.2rem;flex-wrap:wrap}
.main-nav a{font-size:.9rem;text-decoration:none;color:var(--ink-soft);padding:.45rem .7rem;border-radius:999px}
.main-nav a:hover{background:var(--sand-2);color:var(--ink)}
.main-nav a.active{background:var(--clay);color:#fff}
.burger{display:none;font-size:1.6rem;cursor:pointer;line-height:1}
@media(max-width:900px){
  .burger{display:block}
  .main-nav{display:none;width:100%;flex-direction:column}
  #navtoggle:checked ~ .main-nav{display:flex;padding-bottom:.6rem}
}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center;padding:clamp(2.5rem,6vw,5rem) 0}
.hero .eyebrow{font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--clay);font-weight:600;margin-bottom:1rem}
.hero-img{border-radius:calc(var(--radius) + 10px);overflow:hidden;box-shadow:var(--shadow)}
@media(max-width:860px){.hero{grid-template-columns:1fr}}
.lead{font-size:1.08rem;color:var(--ink-soft)}
.btn-row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.4rem}
.btn{display:inline-block;padding:.85rem 1.6rem;border-radius:999px;background:var(--clay);color:#fff;text-decoration:none;font-weight:600;font-size:.95rem;transition:.2s}
.btn:hover{background:var(--clay-dark)}
.btn.ghost{background:transparent;color:var(--clay-dark);border:1px solid var(--clay)}
.btn.ghost:hover{background:var(--sand-2)}

section{padding:clamp(2.2rem,5vw,4rem) 0}
.section-alt{background:var(--sand-2)}
.section-dark{background:var(--ink);color:#f2ece1}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:#ded4c4}
.kicker{font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--clay);font-weight:600;margin-bottom:.6rem}
.section-dark .kicker{color:#d8a97f}
.measure{max-width:74ch}

.grid{display:grid;gap:1.4rem}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.card .pad{padding:1.2rem 1.3rem 1.5rem}
.card h3{margin-bottom:.35rem}
.card p{font-size:.94rem;color:var(--ink-soft);margin:0}
.tag{display:inline-block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--clay);font-weight:600;margin-bottom:.5rem}

.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3rem);align-items:center}
.split.rev>div:first-child{order:2}
@media(max-width:860px){.split{grid-template-columns:1fr}.split.rev>div:first-child{order:0}}
.figure{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
figcaption{font-size:.82rem;color:var(--ink-soft);padding-top:.6rem;text-align:center}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;text-align:center}
.stats div{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem .8rem}
.stats strong{display:block;font-family:"Noto Serif Thai",serif;font-size:1.7rem;color:var(--clay)}
.stats span{font-size:.85rem;color:var(--ink-soft)}
@media(max-width:620px){.stats{grid-template-columns:repeat(2,1fr)}}

ul.check{list-style:none;padding:0;margin:0 0 1.2em}
ul.check li{padding-left:1.6rem;position:relative;margin-bottom:.5rem}
ul.check li:before{content:"◆";position:absolute;left:0;color:var(--clay);font-size:.7rem;top:.45rem}
ol.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:1rem}
ol.steps li{counter-increment:s;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.2rem 1.1rem 3.4rem;position:relative}
ol.steps li:before{content:counter(s);position:absolute;left:1.1rem;top:1.05rem;width:1.7rem;height:1.7rem;border-radius:50%;background:var(--clay);color:#fff;display:grid;place-items:center;font-size:.85rem;font-weight:600}

table{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:.94rem}
th,td{padding:.8rem 1rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--sand-2);font-family:"Noto Serif Thai",serif}
tr:last-child td{border-bottom:none}
.table-scroll{overflow-x:auto}

details{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.2rem;margin-bottom:.8rem}
summary{cursor:pointer;font-family:"Noto Serif Thai",serif;font-weight:700}
details p{margin:.8rem 0 0;color:var(--ink-soft);font-size:.95rem}

.quote{border-left:3px solid var(--clay);padding:.4rem 0 .4rem 1.4rem;font-family:"Noto Serif Thai",serif;font-size:1.12rem;color:var(--ink)}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem}
.gallery img{border-radius:10px;aspect-ratio:1/1;object-fit:cover}
@media(max-width:900px){.gallery{grid-template-columns:repeat(2,1fr)}}

.cta{background:var(--clay);color:#fff;border-radius:calc(var(--radius) + 8px);padding:clamp(1.8rem,4vw,3rem);text-align:center}
.cta h2,.cta p{color:#fff}
.cta .btn{background:#fff;color:var(--clay-dark)}

.toc{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.4rem}
.toc ol{margin:0;padding-left:1.3rem;columns:2;column-gap:2rem;font-size:.94rem}
@media(max-width:620px){.toc ol{columns:1}}

form{display:grid;gap:.9rem;max-width:560px}
label{font-size:.9rem;font-weight:600;color:var(--ink-soft)}
input,textarea,select{width:100%;padding:.75rem .9rem;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:.95rem;background:var(--white)}

.site-foot{background:var(--ink);color:#ded4c4;padding:3rem 0 1.5rem;margin-top:2rem;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.3fr 1.2fr .8fr;gap:2rem}
@media(max-width:800px){.foot-grid{grid-template-columns:1fr}}
.site-foot h3{color:#fff;font-size:1rem}
.site-foot a{color:#e6c8a8}
.foot-links{list-style:none;padding:0;margin:0;display:grid;gap:.35rem}
.copy{border-top:1px solid rgba(255,255,255,.14);margin-top:2rem;padding-top:1.2rem;font-size:.82rem;color:#a89c8b}