/* ============================================================
   แผ่นพื้นสยามคอนกรีต — v2 industrial B2B light theme
   navy #16222f anchor · yellow #f5b820 accent · photo-forward
   ============================================================ */
:root{
  --navy:#12265c;
  --navy-2:#1b3170;
  --navy-3:#2a4585;
  --yellow:#f5b820;
  --yellow-deep:#e0a512;
  --paper:#f5f7fa;
  --white:#ffffff;
  --ink:#1d2740;
  --steel:#5a6680;
  --line:#e1e6f0;
  --line-dark:rgba(255,255,255,.14);
  --radius:12px;
  --shadow:0 8px 30px rgba(14,33,84,.08);
  --shadow-lg:0 16px 48px rgba(14,33,84,.14);
  --maxw:1180px;
  --cut:26px; /* diagonal corner size */
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:'IBM Plex Sans Thai',sans-serif;
  color:var(--ink);background:var(--white);
  line-height:1.75;font-size:16.5px;-webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:3px solid var(--yellow);outline-offset:3px;border-radius:4px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:'Kanit',sans-serif;font-weight:600;line-height:1.3;color:var(--navy)}
.mono{font-family:'IBM Plex Mono',monospace}

/* ---------- Buttons ---------- */
.btn{
  font-family:'Kanit',sans-serif;font-weight:500;font-size:1.02rem;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:10px;transition:background .18s,border-color .18s,transform .18s;
}
.btn svg{width:18px;height:18px;flex:none}
.btn-yellow{background:var(--yellow);color:var(--navy);box-shadow:0 6px 18px rgba(245,184,32,.35)}
.btn-yellow:hover{background:var(--yellow-deep)}
.btn-navy{background:var(--navy);color:var(--white)}
.btn-navy:hover{background:var(--navy-2)}
.btn-outline{border:1.5px solid var(--line);color:var(--navy);background:var(--white)}
.btn-outline:hover{border-color:var(--navy-3)}
.btn-ghost{border:1.5px solid var(--line-dark);color:var(--white)}
.btn-ghost:hover{border-color:rgba(255,255,255,.5)}

/* ---------- Utility strip ---------- */
.topbar{background:var(--navy);color:rgba(255,255,255,.78);font-size:.82rem}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:8px 0;flex-wrap:wrap}
.topbar .item{display:inline-flex;align-items:center;gap:8px}
.topbar .item svg{width:14px;height:14px;flex:none}
.topbar a:hover{color:var(--white)}
.topbar .grp{display:flex;gap:22px;flex-wrap:wrap}
@media(max-width:720px){.topbar .hide-m{display:none}}
@media(max-width:520px){.topbar-inner>a.item{display:none}.topbar-inner{justify-content:center}}

/* ---------- Header / nav ---------- */
.nav{
  position:sticky;top:0;z-index:1000;background:var(--white);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(14,33,84,.05);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{height:50px;width:auto;flex:none}
.footer .brand-logo{height:56px;filter:drop-shadow(0 2px 8px rgba(0,0,0,.35))}
.brand-name{font-family:'Kanit',sans-serif;font-weight:600;font-size:1.12rem;color:var(--navy);line-height:1.15}
.brand-name small{display:block;font-family:'IBM Plex Mono',monospace;font-weight:400;font-size:.62rem;letter-spacing:.14em;color:var(--steel);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none}
.nav-links a{
  font-family:'Kanit',sans-serif;font-weight:400;font-size:.98rem;color:var(--navy-3);
  padding:9px 15px;border-radius:8px;transition:background .18s,color .18s;
}
.nav-links a:hover{background:var(--paper)}
.nav-links a.active{color:var(--navy);font-weight:500;box-shadow:inset 0 -2.5px 0 var(--yellow)}
.nav-cta{
  font-family:'Kanit',sans-serif;font-weight:600;font-size:1rem;
  background:var(--yellow);color:var(--navy);padding:11px 20px;border-radius:10px;
  display:inline-flex;align-items:center;gap:9px;white-space:nowrap;
  box-shadow:0 5px 16px rgba(245,184,32,.35);transition:background .18s;
}
.nav-cta:hover{background:var(--yellow-deep)}
.nav-cta svg{width:16px;height:16px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle svg{width:27px;height:27px;stroke:var(--navy)}
@media(max-width:940px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--white);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:12px 20px;gap:2px;
    box-shadow:var(--shadow-lg);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 16px}
  .nav-toggle{display:block}
  .nav-cta span{display:none}
  .nav-cta{padding:11px 13px}
}

/* ---------- Mock image placeholder (signature) ---------- */
.ph{
  position:relative;overflow:hidden;background:
    linear-gradient(150deg,var(--navy) 0%,var(--navy-2) 60%,var(--navy-3) 100%);
  display:grid;place-items:center;min-height:220px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);
}
.ph::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:40px 40px;
}
.ph::after{ /* yellow diagonal edge on the cut */
  content:"";position:absolute;right:-2px;bottom:-2px;
  width:calc(var(--cut)*2.6);height:calc(var(--cut)*2.6);
  background:linear-gradient(135deg,transparent 48%,var(--yellow) 48%);
}
.ph-inner{position:relative;z-index:1;text-align:center;padding:28px}
.ph-inner svg{width:44px;height:44px;margin:0 auto 12px;opacity:.55}
.ph-inner .cap{
  font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.1em;
  color:rgba(255,255,255,.65);text-transform:none;line-height:1.7;
}
.ph-inner .cap b{display:block;color:rgba(255,255,255,.85);font-weight:500;letter-spacing:.14em;text-transform:uppercase;margin-bottom:4px}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,var(--paper) 0%,var(--white) 100%);padding:66px 0 76px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.14em;
  color:var(--navy-3);background:var(--white);border:1px solid var(--line);
  padding:7px 16px;border-radius:99px;margin-bottom:22px;
}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--yellow);flex:none}
.hero h1{font-size:clamp(2rem,4.3vw,3.1rem);letter-spacing:-.01em;margin-bottom:20px}
.hero h1 em{font-style:normal;color:transparent;background:linear-gradient(90deg,var(--yellow-deep),var(--yellow));-webkit-background-clip:text;background-clip:text}
.hero-sub{color:var(--steel);font-size:1.07rem;max-width:33em;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-chips{display:flex;gap:12px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:9px;background:var(--white);
  border:1px solid var(--line);border-radius:99px;padding:8px 16px;
  font-size:.86rem;color:var(--navy-3);box-shadow:0 3px 10px rgba(14,33,84,.05);
}
.chip svg{width:16px;height:16px;flex:none}
.hero-media{position:relative}
.hero-media .ph{min-height:430px;border-radius:var(--radius)}
.hero-badge{
  position:absolute;left:-18px;bottom:26px;z-index:2;
  background:var(--white);border-radius:12px;box-shadow:var(--shadow-lg);
  padding:16px 22px;display:flex;align-items:center;gap:14px;border:1px solid var(--line);
}
.hero-badge .yr{font-family:'Kanit',sans-serif;font-weight:600;font-size:2.1rem;color:var(--navy);line-height:1;white-space:nowrap;display:flex;align-items:baseline;gap:6px}
.hero-badge .yr small{font-family:'Kanit',sans-serif;font-size:1.4rem;color:var(--navy);font-weight:600;letter-spacing:0}
.hero-badge p{font-size:.82rem;color:var(--steel);line-height:1.5;max-width:12em}
@media(max-width:960px){
  .hero{padding:44px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media .ph{min-height:300px}
  .hero-badge{left:12px}
}

/* ---------- Sections ---------- */
.section{padding:86px 0}
.section.tinted{background:var(--paper)}
.section-head{max-width:660px;margin-bottom:50px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'IBM Plex Mono',monospace;font-size:.76rem;letter-spacing:.16em;
  color:var(--yellow-deep);text-transform:uppercase;margin-bottom:14px;font-weight:500;
}
.eyebrow::before{content:"";width:30px;height:2.5px;background:var(--yellow)}
.section-head.center .eyebrow::after{content:"";width:30px;height:2.5px;background:var(--yellow)}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:14px}
.section-head p{color:var(--steel)}

/* ---------- Product cards ---------- */
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.product-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .25s,transform .25s;box-shadow:var(--shadow);
}
.product-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.product-card .ph{min-height:250px;clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%)}
.product-card .tag{
  position:absolute;top:16px;left:16px;z-index:2;
  font-family:'Kanit',sans-serif;font-size:.8rem;font-weight:500;
  color:var(--navy);background:var(--yellow);padding:5px 14px;border-radius:99px;
}
.product-body{padding:28px 30px 30px;display:flex;flex-direction:column;flex:1}
.product-body h3{font-size:1.32rem;margin-bottom:10px}
.product-body>p{color:var(--steel);font-size:.95rem;margin-bottom:18px}
.spec-chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:24px}
.spec-chips span{
  font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--navy-3);
  background:var(--paper);border:1px solid var(--line);border-radius:7px;padding:6px 12px;
}
.product-body .row{display:flex;gap:12px;flex-wrap:wrap;margin-top:auto}
@media(max-width:820px){.product-grid{grid-template-columns:1fr}}

/* ---------- Stats band ---------- */
.stats-band{background:var(--yellow);position:relative;overflow:hidden}
.stats-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border:34px solid rgba(14,33,84,.08);border-radius:50%;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:44px 0;position:relative;z-index:1}
.sstat{padding:4px 30px;border-left:2px solid rgba(14,33,84,.14)}
.sstat:first-child{border-left:0;padding-left:0}
.sstat .n{font-family:'Kanit',sans-serif;font-weight:600;font-size:2.3rem;color:var(--navy);line-height:1.15}
.sstat .l{font-size:.9rem;color:rgba(14,33,84,.75);line-height:1.5}
@media(max-width:880px){
  .stats-grid{grid-template-columns:1fr 1fr;gap:26px 0}
  .sstat:nth-child(odd){border-left:0;padding-left:0}
}
@media(max-width:520px){.stats-grid{grid-template-columns:1fr}.sstat{border-left:0;padding:0}}

/* ---------- Why us icon grid ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.wcard{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;transition:box-shadow .22s,transform .22s;
}
.wcard:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.wcard .ic{
  width:54px;height:54px;border-radius:12px;background:var(--navy);
  display:grid;place-items:center;margin-bottom:18px;
}
.wcard .ic svg{width:26px;height:26px}
.wcard h3{font-size:1.1rem;font-weight:500;margin-bottom:8px}
.wcard p{font-size:.92rem;color:var(--steel)}
@media(max-width:880px){.why-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.why-grid{grid-template-columns:1fr}}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;counter-reset:step}
.step{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;position:relative;counter-increment:step;
}
.step::before{
  content:"0" counter(step);
  font-family:'Kanit',sans-serif;font-weight:600;font-size:1rem;
  color:var(--navy);background:var(--yellow);width:42px;height:42px;border-radius:10px;
  display:grid;place-items:center;margin-bottom:16px;
}
.step h3{font-size:1.04rem;font-weight:500;margin-bottom:8px}
.step p{font-size:.9rem;color:var(--steel)}
@media(max-width:880px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* ---------- Dark CTA band ---------- */
.cta-dark{background:var(--navy);color:var(--white);position:relative;overflow:hidden}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.cta-grid h2{color:var(--white);font-size:clamp(1.6rem,3vw,2.15rem);margin-bottom:14px}
.cta-grid .lead{color:rgba(255,255,255,.74);margin-bottom:30px}
.cta-grid .ph{min-height:380px;border-radius:var(--radius)}
.channel-list{display:flex;flex-direction:column;gap:12px}
.channel{
  display:flex;align-items:center;gap:16px;background:var(--white);color:var(--navy);
  border-radius:11px;padding:15px 19px;transition:transform .18s,box-shadow .18s;
}
a.channel:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.3)}
.channel .ic{width:44px;height:44px;border-radius:10px;background:var(--navy);display:grid;place-items:center;flex:none}
.channel .ic svg{width:21px;height:21px}
.channel b{display:block;font-family:'Kanit',sans-serif;font-weight:600;font-size:1.08rem;line-height:1.3}
.channel small{color:var(--steel);font-size:.8rem}
.channel.soon{background:rgba(255,255,255,.07);color:rgba(255,255,255,.6);border:1.5px dashed var(--line-dark)}
.channel.soon .ic{background:rgba(255,255,255,.1)}
.channel.soon b{color:rgba(255,255,255,.78)}
.channel.soon small{color:rgba(255,255,255,.45)}
@media(max-width:880px){.cta-grid{grid-template-columns:1fr}.cta-grid .ph{min-height:260px}}

/* ---------- Contact page ---------- */
.page-hero{background:linear-gradient(180deg,var(--paper),var(--white));padding:60px 0 30px}
.page-hero .crumb{font-family:'IBM Plex Mono',monospace;font-size:.75rem;letter-spacing:.12em;color:var(--steel);margin-bottom:14px;text-transform:uppercase}
.page-hero .crumb b{color:var(--yellow-deep);font-weight:500}
.page-hero h1{font-size:clamp(1.9rem,3.6vw,2.6rem);margin-bottom:12px}
.page-hero p{color:var(--steel);max-width:40em}
.contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start}
.contact-cards{display:flex;flex-direction:column;gap:16px}
.ccard{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;display:flex;gap:18px;align-items:flex-start;
  transition:box-shadow .2s,transform .2s;box-shadow:var(--shadow);
}
a.ccard:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.ccard .ic{width:48px;height:48px;border-radius:11px;background:var(--navy);display:grid;place-items:center;flex:none}
.ccard .ic svg{width:23px;height:23px}
.ccard h3{font-size:1.05rem;font-weight:500;margin-bottom:2px}
.ccard .big{font-family:'Kanit',sans-serif;font-weight:600;font-size:1.4rem;color:var(--navy);line-height:1.3}
.ccard p{font-size:.88rem;color:var(--steel)}
.ccard.soon{border-style:dashed;background:var(--paper);box-shadow:none}
.ccard.soon .ic{background:var(--steel)}
.map-frame{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--white)}
.map-frame iframe{display:block;width:100%;height:430px;border:0}
.map-meta{padding:18px 22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.map-meta p{font-size:.9rem;color:var(--steel)}
.map-meta b{color:var(--navy)}
.hours{list-style:none}
.hours li{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--line);font-size:.94rem}
.hours li span:last-child{font-family:'IBM Plex Mono',monospace;font-size:.85rem;color:var(--navy)}
.note-box{background:var(--paper);border-left:4px solid var(--yellow);border-radius:8px;padding:16px 20px;font-size:.9rem;color:var(--steel)}
.note-box b{color:var(--navy)}
@media(max-width:880px){.contact-layout{grid-template-columns:1fr}}

/* ---------- Footer ---------- */
.stripe{height:6px;background:repeating-linear-gradient(-45deg,var(--yellow) 0 14px,var(--navy) 14px 28px)}
.footer{background:var(--navy);color:rgba(255,255,255,.72);padding:60px 0 0;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:44px;padding-bottom:44px}
.footer h4{color:var(--white);font-weight:500;font-size:1rem;margin-bottom:16px}
.footer .brand{margin-bottom:16px}
.footer .brand-name{color:var(--white)}
.footer .brand-name small{color:rgba(255,255,255,.5)}
.footer ul{list-style:none}
.footer li{margin-bottom:10px}
.footer a:hover{color:var(--white)}
.footer address{font-style:normal;line-height:1.9}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:.82rem;color:rgba(255,255,255,.45);
}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr;gap:32px}}

/* ---------- Products page extras ---------- */
.spec-table{width:100%;border-collapse:collapse;font-size:.94rem;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec-table caption{caption-side:top;text-align:left;font-family:'IBM Plex Mono',monospace;font-size:.74rem;letter-spacing:.12em;color:var(--steel);padding:0 0 12px;text-transform:uppercase}
.spec-table th{background:var(--navy);color:var(--white);font-family:'Kanit',sans-serif;font-weight:500;text-align:left;padding:12px 18px;font-size:.92rem}
.spec-table td{padding:12px 18px;border-top:1px solid var(--line)}
.spec-table td:first-child{color:var(--steel)}
.spec-table td:last-child{font-family:'IBM Plex Mono',monospace;font-size:.86rem;color:var(--navy)}
.spec-table tr:nth-child(even) td{background:var(--paper)}
.detail{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;margin-bottom:84px}
.detail:last-of-type{margin-bottom:0}
.detail h2{font-size:1.65rem;margin-bottom:14px}
.detail .lead{color:var(--steel);margin-bottom:22px}
.detail .uses{list-style:none;margin-bottom:26px}
.detail .uses li{padding:8px 0 8px 30px;position:relative;font-size:.95rem}
.detail .uses li::before{content:"";position:absolute;left:0;top:15px;width:16px;height:8px;background:var(--yellow);border-radius:2px}
.gallery-strip{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
.gallery-strip .ph{min-height:150px;border-radius:10px;--cut:18px}
.drawing-card{background:var(--navy);border-radius:var(--radius);padding:36px 30px;box-shadow:var(--shadow)}
@media(max-width:880px){.detail{grid-template-columns:1fr}}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- Real images inside placeholder frames ---------- */
.ph.has-img::before{display:none}
.ph.has-img .ph-inner{display:none}
.ph>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
@media(max-width:460px){.brand-name{font-size:1.02rem}.brand-name small{display:none}.brand-logo{height:44px}}

/* ---------- Product detail showcase layout ---------- */
.detail-photo{display:flex;flex-direction:column}
.detail-photo .ph{aspect-ratio:4/3;min-height:0;width:100%}
.cap-line{font-family:'IBM Plex Mono',monospace;font-size:.75rem;letter-spacing:.06em;color:var(--steel);margin-top:12px;display:flex;gap:10px;align-items:center}
.cap-line::before{content:"";width:22px;height:2.5px;background:var(--yellow);flex:none}
.media-row{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;margin:30px 0 96px;align-items:start}
.media-row:last-of-type{margin-bottom:0}
.media-row .drawing-card{display:flex;align-items:center}
.media-row .drawing-card svg{width:100%}
.media-row figure{display:flex;flex-direction:column}
.media-row .ph{aspect-ratio:10/7;min-height:0;flex:initial;width:100%}
.detail.compact{margin-bottom:0}
@media(max-width:880px){
  .media-row{grid-template-columns:1fr;margin-bottom:72px}
}

/* ---------- Price boxes ---------- */
.price-box{background:var(--navy);color:var(--white);border-radius:var(--radius);padding:24px 26px;margin-top:22px}
.price-box h4{color:var(--yellow);font-size:.78rem;font-weight:500;font-family:'IBM Plex Mono',monospace;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.price-box h4::before{content:"";width:22px;height:2.5px;background:var(--yellow)}
.price-list{list-style:none}
.price-list li{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.16);font-size:.95rem}
.price-list li:last-child{border-bottom:0}
.price-list .p{font-family:'Kanit',sans-serif;font-weight:600;font-size:1.2rem;color:var(--yellow);white-space:nowrap}
.price-list .p small{font-family:'IBM Plex Sans Thai',sans-serif;font-weight:400;font-size:.74rem;color:rgba(255,255,255,.6)}
.price-note{font-size:.78rem;color:rgba(255,255,255,.6);margin-top:14px;line-height:1.65}
.price-chip{display:inline-flex;align-items:baseline;gap:6px;background:var(--navy);color:var(--yellow);font-family:'Kanit',sans-serif;font-weight:600;font-size:1.05rem;padding:7px 16px;border-radius:9px;margin-bottom:18px}
.price-chip small{color:rgba(255,255,255,.7);font-weight:400;font-size:.74rem;font-family:'IBM Plex Sans Thai',sans-serif}
.product-grid.three{grid-template-columns:repeat(3,1fr)}
@media(max-width:1020px){.product-grid.three{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.product-grid.three{grid-template-columns:1fr}}
/* fence page price table */
.ptable{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.ptable th{background:var(--navy);color:var(--white);font-family:'Kanit',sans-serif;font-weight:500;text-align:left;padding:14px 20px;font-size:.95rem}
.ptable td{padding:14px 20px;border-top:1px solid var(--line);font-size:.95rem}
.ptable td.pr{font-family:'Kanit',sans-serif;font-weight:600;color:var(--navy);white-space:nowrap}
.ptable td.pr b{color:var(--yellow-deep);font-size:1.15rem}
.ptable tr:nth-child(even) td{background:var(--paper)}

/* ============================================================
   PRODUCTS PAGE v2 — price-forward pattern (wireframe 2026-07)
   band per product · media stack left · decision rail right
   ============================================================ */
.prod-band{padding:60px 0 72px;border-top:3px solid var(--navy);scroll-margin-top:90px}
.prod-band.alt{background:var(--paper)}
.prod-head{margin-bottom:34px}
.prod-no{display:flex;align-items:baseline;gap:14px;margin-bottom:4px}
.prod-no .n{font-family:'Kanit',sans-serif;font-weight:600;font-size:2.5rem;color:var(--navy);line-height:1}
.prod-no .tag{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.14em;color:var(--steel);text-transform:uppercase}
.prod-head h2{font-size:clamp(1.5rem,2.6vw,1.9rem);margin:2px 0 12px}
.price-pill{display:inline-flex;align-items:baseline;gap:7px;background:#fdf4d7;border:1px solid #ecd88f;border-radius:9px;padding:5px 16px;font-size:.92rem;color:var(--navy);margin-bottom:14px}
.price-pill b{font-family:'Kanit',sans-serif;font-weight:600;font-size:1.3rem;line-height:1.2}
.prod-head .lead{color:var(--steel);max-width:52em}

.prod-grid{display:grid;grid-template-columns:1fr;gap:26px}
.prod-photo{display:flex;flex-direction:column;margin:0}
.prod-photo .ph{aspect-ratio:4/3;min-height:0;width:100%}

.price-strip{background:var(--white);border:2px solid var(--navy);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.ps-head{background:var(--navy);color:var(--white);font-family:'IBM Plex Mono',monospace;font-size:.8rem;letter-spacing:.1em;padding:11px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.ps-head .big{font-family:'Kanit',sans-serif;font-weight:600;font-size:1.45rem;color:var(--yellow);letter-spacing:0;line-height:1.2}
.ps-head .big small{font-family:'IBM Plex Sans Thai',sans-serif;font-weight:400;font-size:.8rem;color:rgba(255,255,255,.8);margin-left:6px}
.ps-rows{list-style:none;padding:2px 20px;margin:0}
.ps-rows li{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:.97rem}
.ps-rows li:last-child{border-bottom:0}
.ps-rows b{font-family:'Kanit',sans-serif;font-weight:600;font-size:1.3rem;color:var(--navy)}
.ps-call{margin:8px 20px 0;display:flex;justify-content:center;align-items:center;gap:8px;border:2px solid var(--navy);border-radius:10px;padding:12px 14px;font-family:'Kanit',sans-serif;font-weight:600;font-size:1.04rem;color:var(--navy);transition:background .2s,color .2s}
.ps-call:hover{background:var(--navy);color:var(--white)}
.ps-note{padding:12px 20px 18px;font-size:.78rem;color:var(--steel);line-height:1.65}

.prod-info .rail-label{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.14em;color:var(--steel);text-transform:uppercase;margin-bottom:2px}
.prod-info .uses{list-style:none;margin-bottom:24px}
.prod-info .uses li{padding:7px 0 7px 30px;position:relative;font-size:.95rem}
.prod-info .uses li::before{content:"";position:absolute;left:0;top:14px;width:16px;height:8px;background:var(--yellow);border-radius:2px}
.spec-details{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);overflow:hidden;margin-bottom:22px}
.spec-details summary{cursor:pointer;font-family:'Kanit',sans-serif;font-weight:500;font-size:.98rem;color:var(--navy);padding:13px 18px;background:var(--paper);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.spec-details summary::-webkit-details-marker{display:none}
.spec-details summary::after{content:"+";font-family:'IBM Plex Mono',monospace;font-size:1.1rem;color:var(--steel)}
.spec-details[open] summary::after{content:"–"}
.spec-details .spec-table{border:0;border-radius:0}
.spec-details .spec-table td:first-child{width:46%}

.prod-media{display:grid;grid-template-columns:1fr;gap:24px;align-items:stretch}
.prod-media .drawing-card{display:flex;align-items:center}
.prod-media .drawing-card svg{width:100%}
.prod-media figure{display:flex;flex-direction:column;margin:0}
.prod-media .ph{aspect-ratio:10/7;min-height:0;width:100%}
.xlink-card{border:1.5px solid var(--navy);border-radius:var(--radius);padding:26px 24px;background:var(--white);display:flex;flex-direction:column;justify-content:center;gap:8px;box-shadow:var(--shadow)}
.xlink-card .xtag{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.1em;color:var(--yellow-deep);text-transform:uppercase}
.xlink-card h3{font-size:1.15rem}
.xlink-card p{font-size:.9rem;color:var(--steel)}
.xlink-card .go{font-family:'Kanit',sans-serif;font-weight:600;color:var(--navy);border-bottom:3px solid var(--yellow);align-self:flex-start;padding-bottom:2px;margin-top:4px}
.xlink-card .go:hover{border-color:var(--yellow-deep)}

.prod-call-again{display:flex;justify-content:center;align-items:center;gap:8px;border:2px solid var(--navy);border-radius:10px;padding:13px 14px;font-family:'Kanit',sans-serif;font-weight:600;font-size:1.02rem;color:var(--navy);background:var(--white)}

/* hero: jump chips + mobile call */
.phero-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
.hero-call{display:flex;justify-content:center;align-items:center;gap:8px;border:2px solid var(--navy);border-radius:10px;padding:13px 14px;font-family:'Kanit',sans-serif;font-weight:600;font-size:1.05rem;color:var(--navy);background:var(--white);margin-top:20px}
.jump-chips{display:flex;gap:10px;flex-wrap:wrap}
.jump-chips a{flex:1;min-width:104px;display:flex;justify-content:center;align-items:baseline;gap:8px;border:1.5px solid var(--line);background:var(--white);border-radius:10px;padding:11px 10px;font-family:'Kanit',sans-serif;font-weight:500;font-size:.9rem;color:var(--navy);text-align:center;transition:border-color .2s}
.jump-chips a span{font-family:'IBM Plex Mono',monospace;font-size:.68rem;color:var(--steel)}
.jump-chips a:hover{border-color:var(--navy-3)}

/* sticky mobile call bar (products page) */
.sticky-call{display:none}

@media(min-width:881px){
  .prod-call-again{display:none}
  .hero-call{display:none}
  .phero-grid{grid-template-columns:1fr 300px;gap:48px}
  .jump-chips{flex-direction:column;gap:10px}
  .jump-chips a{flex:none;justify-content:space-between;text-align:left;padding:12px 18px}
}
@media(max-width:880px){
  body.pp{padding-bottom:76px}
  .sticky-call{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:60;background:var(--white);border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(14,33,84,.12);padding:10px 14px calc(10px + env(safe-area-inset-bottom));gap:10px}
  .sticky-call a{display:flex;justify-content:center;align-items:center;border-radius:10px;padding:12px 10px;font-family:'Kanit',sans-serif;font-weight:600;font-size:1rem}
  .sticky-call .sc-mail{flex:1;border:1.5px solid var(--line);color:var(--navy);background:var(--white)}
  .sticky-call .sc-tel{flex:1.7;background:var(--navy);color:var(--white);border:2px solid var(--navy)}
}

/* why-us: 4-card variant */
.why-grid.two{grid-template-columns:repeat(2,1fr);max-width:920px;margin:0 auto}
@media(max-width:560px){.why-grid.two{grid-template-columns:1fr}}

/* price-forward hero + section note */
.chip b{font-family:'Kanit',sans-serif;font-weight:600;font-size:1.12rem;color:var(--navy)}
.hero-disc{font-size:.76rem;color:var(--steel);line-height:1.7;margin-top:14px;max-width:46em}
.prices-note{font-size:.78rem;color:var(--steel);line-height:1.7;text-align:center;max-width:52em;margin:26px auto 0}

/* ============================================================
   PRODUCTS v3 — horizontal media strip + details below
   full-width bands · swipe/arrow browsing · fluid type
   ============================================================ */
.prod-wide{max-width:1440px}
.prod-head h2{font-size:clamp(1.5rem,1.1rem + 1.2vw,2.2rem)}
.prod-head .lead{font-size:clamp(1rem,.85rem + .45vw,1.2rem);max-width:60em}
.prod-no .n{font-size:clamp(2.2rem,1.7rem + 1.2vw,3rem)}
.prod-info .uses li{font-size:clamp(.92rem,.83rem + .3vw,1.08rem)}
.ps-rows li{font-size:clamp(.95rem,.86rem + .3vw,1.1rem)}
.ps-rows b{font-size:clamp(1.25rem,1.1rem + .45vw,1.6rem)}
.ps-note,.hero-disc{font-size:clamp(.74rem,.7rem + .12vw,.84rem)}

.media-strip{position:relative;margin-bottom:34px}
.ms-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 40px)/3);gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;align-items:stretch}
.ms-track::-webkit-scrollbar{display:none}
.ms-item{scroll-snap-align:start;min-width:0;display:flex;flex-direction:column;margin:0}
.ms-item .ph{aspect-ratio:4/3;min-height:0;width:100%;flex:none}
.ms-item .drawing-card{aspect-ratio:4/3;display:flex;align-items:center;padding:26px 24px;flex:none}
.ms-item .drawing-card svg{width:100%;max-height:100%}
.ms-item.xlink-card{aspect-ratio:auto;justify-content:center}
.ms-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:44px;height:44px;border-radius:50%;border:0;background:var(--navy);color:var(--white);font-size:1.5rem;line-height:1;display:none;place-items:center;cursor:pointer;box-shadow:var(--shadow-lg);opacity:.92}
.ms-btn:hover{background:var(--navy-2);opacity:1}
.ms-btn.prev{left:-12px}
.ms-btn.next{right:-12px}

.prod-details{display:grid;grid-template-columns:1fr;gap:26px;align-items:start}
@media(min-width:881px){
  .prod-details{grid-template-columns:.9fr 1.1fr;gap:48px}
  .prod-details .price-strip{position:sticky;top:90px}
}
@media(max-width:1100px){
  .ms-track{grid-auto-columns:calc((100% - 20px)/2)}
}
@media(max-width:880px){
  .ms-track{grid-auto-columns:86%}
  .ms-btn{width:38px;height:38px}
  .ms-btn.prev{left:6px}
  .ms-btn.next{right:6px}
}

/* ============================================================
   LARGE-SCREEN SCALING
   Big monitors get proportionally bigger content (text, images,
   layout scale together) instead of small content + huge margins.
   ============================================================ */
@media (min-width:1600px){ body{zoom:1.12} }
@media (min-width:1800px){ body{zoom:1.25} }
@media (min-width:2100px){ body{zoom:1.4} }
@media (min-width:2450px){ body{zoom:1.55} }
@media (min-width:2900px){ body{zoom:1.75} }

/* Illustration boxes keep their natural proportions at any width (no more unrecognizable crops) */
.hero-media .ph,.cta-grid .ph{aspect-ratio:10/7;min-height:0;height:auto}

/* Tight-space header: call button groups with the menu icon on the right */
@media(max-width:940px){
  .nav-inner{justify-content:flex-start}
  .nav-cta{margin-left:auto}
  .nav-inner .nav-toggle{margin-left:2px}
}

/* explicit "starting price" markers inside price strips */
.ps-rows b small{font-family:'IBM Plex Sans Thai',sans-serif;font-weight:400;font-size:.7rem;color:var(--steel);margin-right:7px;letter-spacing:0;vertical-align:2px}
.prod-head h1{font-size:clamp(1.5rem,1.1rem + 1.2vw,2.2rem);margin:2px 0 12px}
.crumb-hero{padding:26px 0 0;background:linear-gradient(180deg,var(--paper),var(--white))}
.crumb-hero .crumb{font-family:'IBM Plex Mono',monospace;font-size:.75rem;letter-spacing:.12em;color:var(--steel);text-transform:uppercase}
.crumb-hero .crumb b{color:var(--yellow-deep);font-weight:500}
.xgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:720px){.xgrid{grid-template-columns:1fr}}
.product-card{scroll-margin-top:90px}

/* ============================================================
   NAV DROPDOWN (สินค้าและราคา) + sibling product tabs
   ============================================================ */
.nav-links .has-sub{position:relative}
.nav-links .has-sub>a{display:inline-flex;align-items:center;gap:6px}
.nav-links .has-sub .caret{width:13px;height:13px;flex:none;transition:transform .18s}
.nav-links .has-sub:hover .caret,.nav-links .has-sub:focus-within .caret{transform:rotate(180deg)}
.nav-links .sub-menu{display:none;position:absolute;top:100%;left:8px;list-style:none;background:var(--white);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);min-width:232px;padding:8px;z-index:1200}
.nav-links .has-sub:hover .sub-menu,.nav-links .has-sub:focus-within .sub-menu{display:block}
.nav-links .sub-menu a{display:block;padding:11px 14px;border-radius:8px;font-size:.95rem;white-space:nowrap}
.nav-links .sub-menu a:hover{background:var(--paper)}
.nav-links .sub-menu a.active{color:var(--navy);font-weight:500;box-shadow:inset 3px 0 0 var(--yellow);background:var(--paper)}
@media(max-width:940px){
  .nav-links .sub-menu{display:block;position:static;border:0;box-shadow:none;min-width:0;padding:0 0 4px 20px}
  .nav-links .sub-menu a{padding:10px 14px;color:var(--steel)}
  .nav-links .has-sub .caret{display:none}
}

.prod-tabs{display:flex;gap:8px;margin:16px 0 0;overflow-x:auto;padding-bottom:14px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.prod-tabs::-webkit-scrollbar{display:none}
.prod-tabs a{flex:none;font-family:'Kanit',sans-serif;font-weight:500;font-size:.92rem;color:var(--navy-3);background:var(--white);border:1.5px solid var(--line);border-radius:99px;padding:9px 18px;transition:border-color .18s,background .18s}
.prod-tabs a:hover{border-color:var(--navy-3)}
.prod-tabs a.active{background:var(--navy);border-color:var(--navy);color:var(--white)}

/* ============================================================
   MOBILE HERO — visual on first screen, price chips as swipe row,
   comfier side margins on phones
   ============================================================ */
.hero-copy{grid-area:copy}
.hero-media{grid-area:media}
.hero-belt{grid-area:belt;align-self:start}
.hero-grid{grid-template-areas:"copy media" "belt media";grid-template-columns:1.02fr .98fr;align-items:center}
.hero-grid>*{min-width:0}
.hero-copy .hero-actions{margin-bottom:0}
.hero-belt .hero-chips{margin-top:6px}
@media(max-width:960px){
  .hero-wrap{display:flex;flex-direction:column;gap:34px}
  .hero-grid{display:contents}
  .hero-copy{order:1}
  .hero-media{order:2}
  .hero-belt{order:3}
  .hero{padding:36px 0 52px}
  .hero-sub{margin-bottom:24px}
}
@media(max-width:720px){
  /* chips become one swipeable row instead of a stack of text */
  .hero-belt .hero-chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding-bottom:6px;margin-left:-6px;padding-left:6px}
  .hero-belt .hero-chips::-webkit-scrollbar{display:none}
  .hero-belt .chip{flex:none;white-space:nowrap}
  .hero-disc{margin-top:8px}
}
@media(max-width:600px){
  /* a touch more breathing room from the screen edges */
  .container{padding:0 30px}
}

/* realistic hero cover photo (index) */
.hero-media .ph{aspect-ratio:16/9}
.hero-media .ph>img{object-position:78% 50%}

/* ============================================================
   FULL-BLEED HERO COVER — the photo IS the hero
   desktop: image spans the whole section, text overlays the
   light left side via a soft gradient; mobile: edge-to-edge strip
   ============================================================ */
@media(min-width:961px){
  .hero{
    background:url('images/hero-cover.jpg') center 65% / cover no-repeat;
    min-height:700px;display:flex;align-items:center;padding:70px 0;
  }
  .hero-grid{
    grid-template-areas:"copy" "belt";grid-template-columns:minmax(0,640px);gap:30px;
    width:fit-content;background:rgba(250,251,253,.86);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.65);border-radius:20px;
    padding:42px 46px;box-shadow:0 22px 60px rgba(10,20,50,.18);
  }
  .hero-wrap{position:static}
  .hero-media{position:absolute;inset:0;pointer-events:none}
  .hero-media .ph{display:none}
  .hero-badge{pointer-events:auto;left:auto;right:48px;bottom:34px}
  .hero-belt .hero-chips{max-width:640px}
  .hero-belt .hero-disc{max-width:33em}
}
@media(max-width:960px){
  /* image breaks out of the container: full screen width, no card frame */
  .hero-media{margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw)}
  .hero-media .ph{clip-path:none;border-radius:0;aspect-ratio:16/9;min-height:0}
  .hero-badge{left:16px;bottom:16px;padding:12px 16px}
  .hero-badge .yr{font-size:1.6rem}
}