:root{color-scheme:light;--bg:#faf7f0;--card:#fff;--ink:#16302b;--muted:#5a6d66;--line:#e2e6dc;--brand:#0f6350;--brand-d:#0a4a3b;--soft:#e6f1ea;--warm:#fff1e0;--warm-ink:#8a4a12;--focus:#c47a1e;--r:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Thonburi,"Noto Sans Thai",sans-serif;font-size:17px;line-height:1.55}
a{color:var(--brand)}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:8px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:9}
.skip:focus{left:8px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
header.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 0}
.brand{font-weight:700;letter-spacing:-.01em;text-decoration:none;color:var(--ink);font-size:16px}
.lang{display:flex;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:3px}
.lang button{border:0;background:transparent;border-radius:999px;padding:7px 14px;font-size:14px;min-height:36px}
.lang button[aria-pressed=true]{background:var(--ink);color:#fff}
h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(34px,6vw,56px);line-height:1.08;letter-spacing:-.025em;margin:8px 0 14px;text-wrap:balance}
h2{font-size:clamp(22px,3.4vw,30px);line-height:1.2;letter-spacing:-.015em;margin:0 0 8px}
.lede{font-size:clamp(17px,2.2vw,20px);color:var(--muted);max-width:56ch;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:56px;padding:0 28px;border-radius:999px;border:0;background:var(--brand);color:#fff;font-weight:600;font-size:18px;text-decoration:none}
.btn:hover{background:var(--brand-d)}
.btn.ghost{background:transparent;color:var(--brand);border:2px solid var(--brand)}
.btn.ghost:hover{background:var(--soft)}
footer.note{padding:34px 0 40px;font-size:13px;color:var(--muted);max-width:70ch}

/* ---------- overview ---------- */
.hero{padding:10px 0 26px}
.flow{display:grid;gap:0;margin:8px 0 38px;padding:0;list-style:none;counter-reset:s}
.fs{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:0}
.fs button{all:unset;display:block;width:100%;box-sizing:border-box;padding:16px 18px 16px 70px;cursor:pointer;position:relative}
.fs button:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:var(--r)}
.fs .n{position:absolute;left:18px;top:16px;width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;display:grid;place-items:center}
.fs .t{display:block;font-weight:700;font-size:19px;margin-bottom:2px}
.fs .s{display:block;color:var(--muted);font-size:16px}
.fs .m{display:none;margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);font-size:16px}
.fs[aria-expanded=true] .m,.fs.open .m{display:block}
.fs .tog{position:absolute;right:16px;top:18px;color:var(--muted);transition:transform .15s}
.fs.open .tog{transform:rotate(180deg)}
.fs+.fs{margin-top:22px}
.fs+.fs::before{content:"";position:absolute;left:36px;top:-22px;height:22px;border-left:3px solid var(--brand);opacity:.35}
.map h2{margin-bottom:6px}
.map .lede{margin-bottom:22px}
.startnode{display:none}
.cols{display:none}
.routes{display:grid;gap:14px}
.rc{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 18px 16px;display:flex;flex-direction:column;gap:6px}
.rc .vk{display:inline-block;align-self:flex-start;background:var(--brand);color:#fff;font-weight:700;font-size:14px;padding:3px 12px;border-radius:999px}
.rc h3{margin:6px 0 0;font-size:20px;line-height:1.25}
.rc p{margin:0;color:var(--muted);font-size:16px}
.rc .out{margin-top:6px;padding:10px 12px;background:var(--soft);border-radius:12px;font-size:15px;font-weight:600;color:var(--brand-d)}
.rc .more{margin-top:6px;font-weight:600;font-size:16px}
.rc.hl{box-shadow:0 0 0 3px var(--brand)}
.cta{margin:44px 0 10px;background:var(--ink);color:#fff;border-radius:24px;padding:30px 24px;text-align:center}
.cta h2{color:#fff}
.cta p{margin:0 0 20px;color:#cfe0d9}
.cta .btn{background:#fff;color:var(--ink)}
.cta .btn:hover{background:var(--soft)}
svg.lines{display:none}

/* ---------- questionnaire ---------- */
.qwrap{padding-bottom:110px}
.prog{display:flex;gap:8px;margin:6px 0 22px}
.prog i{flex:1;height:6px;border-radius:99px;background:var(--line)}
.prog i.on{background:var(--brand)}
.qlayout{display:block}
aside.sum{display:none}
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px 18px}
.qn{font-size:14px;color:var(--muted);margin:0 0 6px;font-weight:600;letter-spacing:.02em}
.opts{display:grid;gap:12px;margin-top:18px;padding:0;list-style:none}
.opt{all:unset;box-sizing:border-box;display:block;width:100%;cursor:pointer;background:var(--card);border:2px solid var(--line);border-radius:16px;padding:16px 18px;min-height:64px}
.opt:hover{border-color:var(--brand);background:#f7fbf8}
.opt:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.opt b{display:block;font-size:18px;line-height:1.3}
.opt span{display:block;color:var(--muted);font-size:15px;margin-top:2px}
.banner{border-radius:14px;padding:14px 16px;margin:0 0 18px;font-size:16px}
.banner.warm{background:var(--warm);color:var(--warm-ink)}
.banner.good{background:var(--soft);color:var(--brand-d)}
.banner b{display:block;margin-bottom:2px}
.res h2{font-size:clamp(26px,4vw,34px)}
.res .vk{display:inline-block;background:var(--brand);color:#fff;font-weight:700;font-size:14px;padding:3px 12px;border-radius:999px;margin-bottom:8px}
.res .who{color:var(--muted);margin:0 0 16px}
.blk{margin:20px 0 0}
.blk h3{font-size:14px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin:0 0 8px}
.blk p{margin:0}
.ticks,.dots{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.ticks li{position:relative;padding-left:32px}
.ticks li::before{content:"";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;background:var(--soft)}
.ticks li::after{content:"";position:absolute;left:6px;top:8px;width:6px;height:10px;border:solid var(--brand);border-width:0 2.5px 2.5px 0;transform:rotate(45deg) scale(.85)}
.dots li{position:relative;padding-left:22px;color:var(--muted);font-size:16px}
.dots li::before{content:"";position:absolute;left:4px;top:10px;width:7px;height:7px;border-radius:50%;background:var(--muted);opacity:.55}
.permit{background:var(--soft);border-radius:14px;padding:14px 16px}
.permit b{display:block;font-size:18px;margin-bottom:2px}
.nextbox{margin-top:22px;padding:16px;border:2px dashed var(--line);border-radius:14px;font-size:16px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:999px;border:2px solid var(--line);background:#fff;font-weight:600;font-size:15px;text-decoration:none;color:var(--ink)}
.chip:hover{border-color:var(--brand)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.bottombar{position:fixed;left:0;right:0;bottom:0;z-index:5;background:rgba(250,247,240,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:flex;gap:10px;justify-content:space-between}
.bottombar.empty{display:none}
.bottombar .btn{min-height:52px;padding:0 22px;font-size:17px;flex:1}
.bottombar .btn.ghost{flex:0 0 auto}
.linkbtn{background:none;border:0;color:var(--brand);font-weight:600;padding:8px 0;text-decoration:underline;text-underline-offset:3px}

/* ---------- desktop ---------- */
@media(min-width:900px){
  body{font-size:18px}
  .wrap{padding:0 40px}
  header.bar{padding:22px 0}
  .hero{padding:34px 0 40px}
  .flow{grid-template-columns:repeat(3,1fr);gap:18px;margin:10px 0 64px;align-items:start}
  .fs+.fs{margin-top:0}
  .fs+.fs::before{left:-18px;top:34px;height:0;width:18px;border-left:0;border-top:3px solid var(--brand);opacity:.35}
  .fs button{padding:22px 20px 20px 22px}
  .fs .n{position:static;margin-bottom:12px}
  .fs .tog{top:22px}
  .map{position:relative}
  .map .lede{margin-bottom:34px;max-width:70ch}
  .cols{display:grid;grid-template-columns:19% 1fr;gap:0 5%;font-size:12px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:700;margin-bottom:10px}
  .cols .in{display:grid;grid-template-columns:1.1fr 1fr;gap:0 9%}
  .mapgrid{position:relative;display:grid;grid-template-columns:19% 1fr;gap:0 5%;align-items:center}
  .startnode{display:block;background:var(--ink);color:#fff;border-radius:18px;padding:20px;font-family:Georgia,serif;font-size:21px;line-height:1.25}
  .routes{gap:14px}
  .rc{display:grid;grid-template-columns:1.1fr 1fr;gap:0 9%;padding:0;background:none;border:0;align-items:stretch}
  .rc .left{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;display:flex;flex-direction:column;gap:4px}
  .rc .right{background:var(--soft);border-radius:var(--r);padding:16px 18px;display:flex;flex-direction:column;justify-content:center;gap:6px}
  .rc .out{margin:0;padding:0;background:none;font-size:16px}
  .rc.hl .left{box-shadow:0 0 0 3px var(--brand)}
  svg.lines{display:block;position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
  svg.lines path{fill:none;stroke:#8fb2a3;stroke-width:2.2}
  .cta{padding:52px 40px;border-radius:30px;margin-top:64px}
  .qwrap{padding-bottom:60px}
  .qlayout{display:grid;grid-template-columns:300px 1fr;gap:34px;align-items:start}
  aside.sum{display:block;position:sticky;top:20px;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px}
  aside.sum h3{margin:0 0 12px;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
  aside.sum dl{margin:0}
  aside.sum dt{font-size:13px;color:var(--muted)}
  aside.sum dd{margin:0 0 14px;font-weight:600}
  aside.sum .empty{color:var(--muted);font-size:15px}
  .card{padding:36px 38px;border-radius:26px}
  .opts{grid-template-columns:1fr 1fr;gap:14px}
  .opts.single{grid-template-columns:1fr}
  .bottombar{display:none}
  .res .cols2{display:grid;grid-template-columns:1.2fr 1fr;gap:0 40px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.bottombar,.lang,.cta{display:none}}