:root{
  --orange:#E8590C; --orange-d:#B8430A; --amber:#FFA726; --ink:#2A1A10; --muted:#6B5648;
  --paper:#FFFFFF; --sand:#FFF1E4; --line:#F1DCC8;
  --head:'Prompt',sans-serif; --body:'Noto Sans Thai',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.8;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--orange-d)}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--head);line-height:1.3;font-weight:600}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-family:var(--head);font-weight:700;font-size:1.25rem}
.brand .mark{width:40px;height:40px;border-radius:50%;background:var(--orange);display:grid;place-items:center;color:#fff;font-size:.8rem;font-weight:700;box-shadow:inset 0 -10px 0 rgba(0,0,0,.12)}
nav ul{display:flex;gap:6px;list-style:none}
nav a{display:block;padding:8px 14px;border-radius:999px;text-decoration:none;color:var(--ink);font-size:.95rem}
nav a:hover{background:var(--sand)}
nav a[aria-current="page"]{background:var(--orange);color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font:inherit;cursor:pointer}

/* hero */
.hero{position:relative;color:#fff;min-height:620px;display:flex;align-items:flex-end;background:#3a1d0b center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(42,20,6,.88) 0%,rgba(150,60,8,.62) 55%,rgba(232,89,12,.25) 100%)}
.hero .wrap{position:relative;padding-top:120px;padding-bottom:80px}
.hero h1{font-size:clamp(2.2rem,5.5vw,4rem);max-width:15em;font-weight:700}
.hero p{max-width:36em;font-size:1.15rem;margin:20px 0 32px;color:#FFE9D6}
.hero.small{min-height:340px}
.hero.small .wrap{padding-top:80px;padding-bottom:56px}
.hero.small h1{font-size:clamp(2rem,4.5vw,3rem)}
.btn{display:inline-block;padding:13px 28px;border-radius:999px;background:var(--amber);color:var(--ink);font-weight:700;text-decoration:none;font-family:var(--head);transition:background .2s}
.btn:hover{background:#FFB84D}
.btn.ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7);margin-left:10px}
.btn.ghost:hover{background:rgba(255,255,255,.15)}
.btn.solid{background:var(--orange);color:#fff}
.btn.solid:hover{background:var(--orange-d)}

/* sections */
section{padding:88px 0}
section.tint{background:var(--sand)}
.lead{max-width:40em;color:var(--muted);margin-top:12px}
h2{font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:8px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{border-radius:20px 20px 120px 20px;aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--sand)}
.split.rev img{border-radius:20px 20px 20px 120px}
.split p+p{margin-top:14px}
.checks{list-style:none;margin-top:18px}
.checks li{padding-left:30px;position:relative;margin-bottom:8px}
.checks li::before{content:"";position:absolute;left:0;top:.7em;width:16px;height:16px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px var(--sand)}

/* services */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:44px}
.svc{background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.svc img{aspect-ratio:3/2;object-fit:cover;width:100%;background:var(--sand)}
.svc div{padding:22px 24px 28px}
.svc h3{font-size:1.15rem;margin-bottom:8px;color:var(--orange-d)}
.svc p{font-size:.97rem;color:var(--muted)}

/* steps (real sequence) */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:44px;counter-reset:s}
.step{padding:0 22px 0 0;border-top:4px solid var(--orange);padding-top:20px;counter-increment:s}
.step:nth-child(even){border-top-color:var(--amber)}
.step h3{font-size:1.05rem;margin-bottom:6px}
.step h3::before{content:counter(s) ". "; color:var(--orange)}
.step p{font-size:.95rem;color:var(--muted)}

/* band */
.band{background:var(--orange);color:#fff;text-align:center;padding:72px 0}
.band h2{color:#fff}
.band p{max-width:34em;margin:10px auto 28px;color:#FFE9D6}

/* contact */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.card h3{font-size:1.05rem;color:var(--orange-d);margin-bottom:6px}
.card a{font-weight:600}
form{display:grid;gap:16px}
label{font-weight:600;font-size:.95rem;display:block;margin-bottom:4px}
input,textarea{width:100%;font:inherit;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
input:focus,textarea:focus{border-color:var(--orange);outline:none;box-shadow:0 0 0 3px rgba(232,89,12,.2)}
textarea{min-height:140px;resize:vertical}
button.btn{border:0;cursor:pointer;font-size:1rem}
.note{font-size:.88rem;color:var(--muted)}
.map{margin-top:28px;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.map iframe{width:100%;height:340px;border:0;display:block}

/* policy */
.policy{max-width:760px}
.policy h2{margin-top:40px;font-size:1.35rem}
.policy p,.policy li{margin-top:10px;color:#4a3a2e}
.policy ul{padding-left:22px}

/* footer */
footer.site{background:var(--ink);color:#EBD9C8;padding:56px 0 28px;font-size:.95rem}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
footer h3{color:#fff;font-size:1rem;margin-bottom:10px}
footer a{color:#FFC48A;text-decoration:none}
footer a:hover{text-decoration:underline}
footer ul{list-style:none}
footer li{margin-bottom:4px}
footer .copy{border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:20px;text-align:center;font-size:.88rem}

@media(max-width:900px){
  .split,.footer .cols,footer .cols{grid-template-columns:1fr}
  .services{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;gap:28px 0}
  .cards{grid-template-columns:1fr}
}
@media(max-width:720px){
  .menu-btn{display:block}
  nav{position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);display:none}
  nav.open{display:block}
  nav ul{flex-direction:column;padding:12px 24px}
  section{padding:60px 0}
  .services,.steps{grid-template-columns:1fr}
  .btn.ghost{margin:12px 0 0}
  .hero{min-height:560px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}