/* Creative Aqua Co., Ltd. — สไตล์หลักของเว็บไซต์ */
:root{
  --deep:#04202c;
  --deep-2:#073445;
  --aqua:#12a7b8;
  --aqua-light:#5fd3dd;
  --sand:#f6f2e8;
  --paper:#ffffff;
  --ink:#12262e;
  --ink-soft:#4a6470;
  --line:#dfe7ea;
  --gold:#c8963e;
  --radius:16px;
  --shadow:0 18px 40px rgba(4,32,44,.10);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans Thai","Sarabun","Segoe UI",Tahoma,sans-serif;
  color:var(--ink);
  background:var(--sand);
  line-height:1.85;
  font-size:17px;
}
img{max-width:100%;display:block}
a{color:var(--aqua);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- Topbar ---------- */
.topbar{background:var(--deep);color:#cfe9ee;font-size:14px}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between;padding:8px 20px}
.topbar a{color:#cfe9ee}

/* ---------- Header ---------- */
header.site{
  background:var(--paper);position:sticky;top:0;z-index:50;
  border-bottom:1px solid var(--line);box-shadow:0 2px 14px rgba(4,32,44,.05)
}
.head-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;max-width:var(--max);margin:0 auto}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:46px;height:46px;border-radius:14px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--aqua),var(--deep-2));
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:19px;letter-spacing:.5px
}
.logo b{display:block;font-size:19px;line-height:1.2;color:var(--deep)}
.logo span{display:block;font-size:12.5px;color:var(--ink-soft);letter-spacing:.08em}
nav.main ul{display:flex;flex-wrap:wrap;gap:4px;list-style:none;margin:0;padding:0}
nav.main a{
  display:block;padding:9px 13px;border-radius:10px;color:var(--deep);
  font-size:15.5px;font-weight:500
}
nav.main a:hover{background:#eaf6f8;text-decoration:none}
nav.main a.active{background:var(--deep);color:#fff}
.btn{
  display:inline-block;padding:12px 22px;border-radius:999px;font-weight:600;
  background:var(--aqua);color:#fff;border:1px solid transparent;text-align:center
}
.btn:hover{background:#0e8e9d;text-decoration:none}
.btn.ghost{background:transparent;color:var(--deep);border-color:var(--deep)}
.btn.ghost:hover{background:var(--deep);color:#fff}
.btn.gold{background:var(--gold)}
.btn.gold:hover{background:#ac7f2f}
.btn.sm{padding:9px 16px;font-size:14.5px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--deep);color:#fff;overflow:hidden}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.hero .inner{position:relative;max-width:var(--max);margin:0 auto;padding:92px 20px 96px}
.hero .eyebrow{
  display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  padding:6px 16px;border-radius:999px;font-size:14px;letter-spacing:.04em;margin-bottom:20px
}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.25;margin:0 0 18px;font-weight:700}
.hero p.lead{font-size:clamp(17px,2.2vw,20px);max-width:720px;color:#dff0f3;margin:0 0 30px}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px}
.hero .cta .btn.ghost{color:#fff;border-color:rgba(255,255,255,.7)}
.hero .cta .btn.ghost:hover{background:#fff;color:var(--deep)}

/* ---------- Page head ---------- */
.pagehead{background:linear-gradient(160deg,var(--deep),var(--deep-2));color:#fff}
.pagehead .wrap{padding:58px 20px}
.pagehead h1{font-size:clamp(26px,4vw,40px);margin:0 0 10px}
.pagehead p{margin:0;color:#cfe6ea;max-width:760px}
.crumb{font-size:14px;color:#9fc6ce;margin-bottom:12px}
.crumb a{color:#9fc6ce}

/* ---------- Sections ---------- */
section{padding:64px 0}
section.tight{padding:44px 0}
section.alt{background:var(--paper)}
section.dark{background:var(--deep);color:#e4f2f5}
section.dark h2,section.dark h3{color:#fff}
h2{font-size:clamp(23px,3.2vw,33px);line-height:1.35;margin:0 0 16px;color:var(--deep)}
h3{font-size:clamp(19px,2.4vw,23px);margin:26px 0 10px;color:var(--deep-2)}
h4{font-size:17.5px;margin:18px 0 8px;color:var(--deep-2)}
.sub{color:var(--ink-soft);max-width:800px;margin:0 0 26px}
.kicker{
  display:inline-block;color:var(--aqua);font-weight:700;letter-spacing:.12em;
  font-size:13px;text-transform:uppercase;margin-bottom:8px
}
p{margin:0 0 16px}
ul,ol{padding-left:22px;margin:0 0 18px}
li{margin-bottom:8px}

/* ---------- Grid & cards ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow)
}
.card.flat{box-shadow:none}
.card h3{margin-top:0}
.card .price{font-size:22px;font-weight:700;color:var(--aqua);margin:6px 0 10px}
.media{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--paper);box-shadow:var(--shadow)
}
.media img{width:100%;height:260px;object-fit:cover}
.media .cap{padding:14px 18px;font-size:14.5px;color:var(--ink-soft)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.num{
  width:38px;height:38px;border-radius:50%;background:var(--aqua);color:#fff;
  display:grid;place-items:center;font-weight:700;margin-bottom:10px
}
.stat{text-align:center;padding:20px}
.stat b{display:block;font-size:34px;color:var(--aqua);line-height:1.2}
.stat span{font-size:14.5px;color:var(--ink-soft)}
.badge{
  display:inline-block;background:#eaf6f8;color:var(--deep-2);border-radius:999px;
  padding:4px 12px;font-size:13.5px;margin:0 6px 6px 0
}
table{width:100%;border-collapse:collapse;background:var(--paper);border-radius:var(--radius);overflow:hidden;font-size:15.5px}
th,td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--deep);color:#fff;font-weight:600}
blockquote{
  margin:0;background:var(--paper);border-left:4px solid var(--aqua);
  padding:20px 22px;border-radius:12px;box-shadow:var(--shadow);font-size:16px
}
blockquote cite{display:block;margin-top:10px;font-style:normal;color:var(--ink-soft);font-size:14.5px}
details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:12px}
details summary{cursor:pointer;font-weight:600;color:var(--deep)}
details p{margin:12px 0 0}
.note{background:#eaf6f8;border:1px dashed var(--aqua);border-radius:12px;padding:18px 20px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery img{height:220px;width:100%;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px}
.toc ol{margin:0;columns:2;column-gap:34px}
.article-list{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.article-list .media img{height:190px}
.article-list h3{font-size:18.5px;padding:0 18px;margin:14px 0 6px}
.article-list p{padding:0 18px;font-size:15px;color:var(--ink-soft)}
.article-list .more{padding:0 18px 18px;display:block;font-size:14.5px}

/* ---------- CTA band ---------- */
.band{background:linear-gradient(120deg,var(--aqua),var(--deep-2));color:#fff;text-align:center}
.band h2{color:#fff}
.band p{color:#e6f7f9;max-width:680px;margin:0 auto 24px}
.band .btn.ghost{color:#fff;border-color:#fff}
.band .btn.ghost:hover{background:#fff;color:var(--deep)}

/* ---------- Footer ---------- */
footer.site{background:var(--deep);color:#b8d6dd;padding:54px 0 26px;font-size:15px}
footer.site h4{color:#fff;margin:0 0 12px;font-size:16.5px}
footer.site a{color:#b8d6dd}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin-bottom:7px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px}
.copy{border-top:1px solid rgba(255,255,255,.14);margin-top:34px;padding-top:18px;font-size:14px;color:#8fb4bd;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}

/* ---------- Floating contact ---------- */
.floating{position:fixed;right:16px;bottom:16px;z-index:80;display:flex;flex-direction:column;gap:10px}
.floating a{
  background:var(--aqua);color:#fff;border-radius:999px;padding:11px 18px;font-size:14.5px;
  font-weight:600;box-shadow:0 10px 24px rgba(4,32,44,.28)
}
.floating a.line{background:#06c755}

@media(max-width:960px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .article-list{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .toc ol{columns:1}
}
@media(max-width:640px){
  body{font-size:16.5px}
  .g2,.g3,.g4,.article-list,.gallery{grid-template-columns:1fr}
  nav.main ul{gap:2px}
  nav.main a{padding:8px 10px;font-size:14.5px}
  .head-inner{flex-direction:column;align-items:flex-start}
  section{padding:48px 0}
}