/* HANWEI ALUMINIUM — Thailand / SEA edition
   Brand blue #0070C0 · accent orange #FF7300 */

:root{
  --blue:#0070C0;
  --blue-600:#005FA6;
  --blue-700:#004B85;
  --blue-900:#063A5E;
  --navy:#04283F;
  --orange:#FF7300;
  --orange-600:#E66700;
  --orange-soft:#FFF1E4;
  --ink:#0B2A3F;
  --body:#4B6274;
  --muted:#6B8296;
  --line:#D9E6F2;
  --line-soft:#EAF2F9;
  --bg:#FFFFFF;
  --bg-soft:#F3F8FD;
  --bg-tint:#E7F1FA;
  --radius:18px;
  --radius-sm:10px;
  --shadow:0 12px 34px rgba(6,42,69,.09);
  --shadow-lg:0 24px 60px rgba(6,42,69,.14);
  --wrap:1280px;
  --gut:clamp(20px,4vw,56px);
  --sec:clamp(64px,7vw,118px);
  --display:"Kanit","Space Grotesk",Arial,sans-serif;
  --body-font:"Inter","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--body-font);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{
  font-family:var(--display);font-weight:600;line-height:1.15;
  letter-spacing:-.01em;margin:0;color:var(--ink);
}
p{margin:0}
figure{margin:0}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.section{position:relative;padding:var(--sec) 0}
.section--tight{padding:calc(var(--sec) * .6) 0}
.section--paper{background:var(--bg-soft)}
.section--graphite{background:linear-gradient(160deg,#063A5E 0%,#04456F 55%,#005A9C 100%);color:#EAF3FB}
.section--graphite h2,.section--graphite h3,.section--graphite h4{color:#fff}
.section--graphite .lede{color:#BFD8EC}
.hr{height:1px;background:var(--line);border:0;margin:0}

/* ---------- type ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--blue);font-weight:600;margin-bottom:18px;
  font-family:var(--display);
}
.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--orange);display:block}
.section--graphite .eyebrow{color:#9ED0F2}
.h-xl{font-size:clamp(2.4rem,4.8vw,4.4rem)}
.h-lg{font-size:clamp(1.8rem,3.2vw,2.9rem)}
.h-md{font-size:clamp(1.35rem,2vw,1.95rem)}
.h-sm{font-size:clamp(1.05rem,1.3vw,1.25rem)}
.lede{font-size:clamp(1rem,1.1vw,1.08rem);color:var(--body);max-width:64ch;line-height:1.75}
.num{font-family:var(--display);color:var(--orange);font-weight:600;font-size:13px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border:1.5px solid transparent;border-radius:999px;
  font-size:14px;font-weight:600;letter-spacing:.01em;
  transition:background .2s,color .2s,border-color .2s,box-shadow .2s,transform .2s;
  cursor:pointer;white-space:nowrap;font-family:var(--body-font);
}
.btn svg{transition:transform .25s}
.btn:hover svg{transform:translateX(4px)}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,115,0,.28)}
.btn--primary:hover{background:var(--orange-600);box-shadow:0 12px 26px rgba(255,115,0,.36);transform:translateY(-1px)}
.btn--ghost{border-color:rgba(255,255,255,.6);color:#fff}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.btn--blue{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(0,112,192,.26)}
.btn--blue:hover{background:var(--blue-600)}
.btn--dark{border-color:var(--line);color:var(--blue)}
.btn--dark:hover{border-color:var(--orange);color:var(--orange)}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--blue);
  transition:color .2s;
}
.link-arrow svg{transition:transform .25s}
.link-arrow:hover{color:var(--orange)}
.link-arrow:hover svg{transform:translateX(5px)}
.section--graphite .link-arrow{color:#9ED0F2}
.section--graphite .link-arrow:hover{color:var(--orange)}

/* ---------- header ---------- */
.topline{background:var(--blue);color:rgba(255,255,255,.92);font-size:12.5px}
.topline .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:18px}
.topline__right{display:flex;align-items:center;gap:20px}
.topline a:hover{color:#FFD3AC}

.site-head{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(6,42,69,.05);
}
.head-inner{display:flex;align-items:center;justify-content:space-between;height:94px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{width:54px;height:54px;border-radius:50%;flex:0 0 auto;object-fit:contain}
.brand__text{line-height:1}
.brand__name{
  font-family:var(--display);font-size:27px;font-weight:700;letter-spacing:.03em;
  text-transform:uppercase;display:block;color:var(--blue);
}
.brand__sub{
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
  display:block;margin-top:4px;
}
.nav{display:flex;align-items:center}
.nav ul{display:flex;align-items:center;gap:clamp(14px,1.5vw,26px)}
.nav li{display:flex;position:relative}
.nav a{
  font-size:15.5px;font-weight:500;color:var(--ink);padding:34px 0;
  display:inline-flex;align-items:center;gap:5px;transition:color .18s;position:relative;
}
.nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:20px;height:2.5px;border-radius:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;
  transition:transform .25s cubic-bezier(.2,.7,.3,1);
}
.nav a:hover,.nav .is-active>a{color:var(--orange)}
.nav a:hover::after,.nav .is-active>a::after{transform:scaleX(1)}
.nav .has-mega{position:static}

/* mega menu */
.mega{
  position:absolute;left:0;right:0;top:100%;
  background:#fff;border-top:1px solid var(--line);
  padding:34px 0 40px;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s,transform .2s,visibility .2s;z-index:50;
  box-shadow:0 24px 50px rgba(6,42,69,.14);
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:none}
.mega__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px 30px}
.mega__col h5{
  font-size:12px;letter-spacing:.12em;color:var(--blue);margin-bottom:12px;font-weight:600;
  text-transform:uppercase;font-family:var(--display);
}
.mega__col a{
  display:block;padding:7px 0;font-size:15px;color:var(--body);
  transition:color .18s,padding-left .18s;
}
.mega__col a:hover{color:var(--orange);padding-left:4px}
.mega__col a::after{display:none}

.head-actions{display:flex;align-items:center;gap:12px}
.head-actions .btn{padding:13px 24px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:12px;width:18px;height:2px;background:var(--ink);border-radius:2px;content:"";
  transition:transform .25s,opacity .2s;
}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.mobile-nav{
  display:none;position:absolute;top:100%;left:0;right:0;
  background:#fff;border-bottom:1px solid var(--line);
  padding:12px var(--gut) 26px;z-index:55;max-height:calc(100vh - 84px);overflow:auto;
  box-shadow:0 20px 40px rgba(6,42,69,.12);
}
.mobile-nav.is-open{display:block}
.mobile-nav a{
  display:block;padding:13px 0;border-bottom:1px solid var(--line-soft);
  font-size:15px;font-weight:500;color:var(--ink);
}
.mobile-nav a:hover{color:var(--orange)}
.mobile-nav .mnav__sub a{padding-left:14px;font-size:14px;color:var(--muted)}
.mobile-nav .btn{margin-top:18px;width:100%;justify-content:center}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--blue-900)}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__media img{width:100%;height:100%;object-fit:cover;opacity:.95}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(100deg,rgba(4,40,69,.92) 0%,rgba(4,52,88,.76) 44%,rgba(0,90,150,.38) 78%,rgba(0,112,192,.30) 100%),
    radial-gradient(720px 420px at 85% 12%,rgba(255,115,0,.22),transparent 62%);
}
.hero__grid{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.25;
  background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:96px 96px;
  mask-image:radial-gradient(120% 90% at 60% 10%,#000 25%,transparent 75%);
}
.hero__inner{position:relative;z-index:2;padding:clamp(64px,8vw,116px) 0 clamp(52px,6vw,84px)}
.hero h1{color:#fff;max-width:16ch;margin-bottom:20px}
.hero h1 em{font-style:normal;color:#FFB067}
.hero__lede{max-width:56ch;color:#D7E8F5;font-size:clamp(1rem,1.15vw,1.1rem);margin-bottom:32px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:clamp(34px,4vw,52px)}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden}
.stat{padding:22px 24px;border-right:1px solid var(--line-soft)}
.stat:last-child{border-right:0}
.stat b{
  display:block;font-family:var(--display);font-size:clamp(1.6rem,2.4vw,2.2rem);
  font-weight:700;color:var(--blue);line-height:1.1;
}
.stat b i{font-style:normal;color:var(--orange);font-size:.55em;vertical-align:super;margin-left:2px}
.stat span{display:block;margin-top:6px;font-size:12px;color:var(--muted);line-height:1.4}

/* ---------- marquee ---------- */
.marquee{background:var(--bg-tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:14px 0}
.marquee__row{display:flex;gap:40px;white-space:nowrap;animation:slide 42s linear infinite;width:max-content}
.marquee span{
  font-family:var(--display);font-size:13px;letter-spacing:.14em;color:var(--blue-700);
  display:inline-flex;align-items:center;gap:40px;font-weight:500;
}
.marquee span::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);display:block}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- section head ---------- */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;margin-bottom:clamp(32px,3.5vw,48px);flex-wrap:wrap}
.sec-head__text{max-width:760px}
.sec-head h2{margin-bottom:12px}

/* ---------- category grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-grid--3{grid-template-columns:repeat(3,1fr)}
.cat{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:block;transition:box-shadow .25s,border-color .25s,transform .25s;
}
.cat:hover{box-shadow:var(--shadow);border-color:#BCD9EF;transform:translateY(-4px)}
.cat__figure{aspect-ratio:4/3;overflow:hidden;background:var(--bg-tint);position:relative}
.cat__figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.cat:hover .cat__figure img{transform:scale(1.05)}
.cat__go{
  position:absolute;right:12px;bottom:12px;z-index:2;width:34px;height:34px;border-radius:50%;
  background:#fff;display:grid;place-items:center;color:var(--blue);
  box-shadow:0 6px 16px rgba(6,42,69,.18);transition:background .22s,color .22s,transform .22s;
}
.cat:hover .cat__go{background:var(--orange);color:#fff;transform:translate(2px,-2px)}
.cat__body{padding:18px 20px 20px}
.cat__title{font-size:17px;margin-bottom:6px;transition:color .2s;font-weight:600;line-height:1.3}
.cat:hover .cat__title{color:var(--orange)}
.cat__meta{font-size:13px;color:var(--muted);line-height:1.55}
.cat__tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.chip{
  font-size:11px;color:var(--blue-700);background:var(--bg-tint);
  border-radius:999px;padding:4px 10px;line-height:1.5;white-space:nowrap;
}
.section--graphite .chip{background:rgba(255,255,255,.14);color:#DCEDFA}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,4.5vw,68px);align-items:center}
.split--media-right{grid-template-columns:1fr 1.05fr}
.split__media{position:relative;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow)}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split__media--tall img{aspect-ratio:3/4}

/* ---------- feature list ---------- */
.feats{display:grid;gap:14px}
.feat{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:16px 18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:14px;align-items:start}
.feat b{font-family:var(--display);font-size:14px;color:#FFB067;font-weight:600;padding-top:2px}
.feat h4{font-size:15px;margin-bottom:4px;font-family:var(--body-font);font-weight:600;color:#fff}
.feat p{font-size:13.5px;color:#C6DEEE;line-height:1.6}

/* ---------- hex solutions ---------- */
.hex-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.hex{
  position:relative;aspect-ratio:1/1.1;display:block;overflow:hidden;
  clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
  background:var(--blue-900);
}
.hex img{width:100%;height:100%;object-fit:cover;transition:transform .6s;filter:brightness(.92)}
.hex::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,40,69,.05) 35%,rgba(4,40,69,.86) 100%)}
.hex span{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding:14px 8px;text-align:center;
  font-size:12px;font-weight:600;color:#fff;line-height:1.3;
}
.hex:hover img{transform:scale(1.07)}
.hex:hover span{color:#FFB067}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px 28px;position:relative;transition:box-shadow .25s,transform .25s}
.step:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.step b{
  font-family:var(--display);font-size:13px;font-weight:600;color:#fff;background:var(--blue);
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;margin-bottom:18px;
}
.step h4{font-size:16px;margin-bottom:8px;font-family:var(--body-font);font-weight:600;line-height:1.35}
.step p{font-size:13.5px;color:var(--muted);line-height:1.6}

/* ---------- page hero ---------- */
.page-hero{position:relative;background:var(--blue-900);overflow:hidden}
.page-hero__bg{position:absolute;inset:0;z-index:0}
.page-hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.8}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(96deg,rgba(4,40,69,.94) 0%,rgba(4,52,88,.86) 46%,rgba(0,90,150,.5) 100%);
}
.page-hero__inner{position:relative;z-index:2;padding:clamp(44px,5.5vw,76px) 0 clamp(40px,4.5vw,62px)}
.crumbs{display:flex;gap:8px;align-items:center;font-size:12px;color:#AFCDE4;margin-bottom:24px;flex-wrap:wrap}
.crumbs a:hover{color:#FFB067}
.crumbs .sep{color:#5C87A8}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,4vw,3.4rem);max-width:24ch;margin-bottom:14px}
.page-hero .lede{color:#D5E7F4;max-width:66ch}
.subnav{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.subnav a{
  font-size:12.5px;color:#DCEBF6;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:7px 14px;transition:all .2s;
}
.subnav a:hover,.subnav a.is-active{background:var(--orange);border-color:var(--orange);color:#fff}

/* ---------- spec table ---------- */
.spec{border-top:1px solid var(--line);margin-top:22px}
.spec__row{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:12px 0;border-bottom:1px solid var(--line-soft);font-size:14px}
.spec__row dt{font-size:12.5px;color:var(--muted);padding-top:2px}
.spec__row dd{margin:0;color:var(--ink)}
.section--graphite .spec{border-color:rgba(255,255,255,.2)}
.section--graphite .spec__row{border-color:rgba(255,255,255,.14)}
.section--graphite .spec__row dt{color:#9EBFD6}
.section--graphite .spec__row dd{color:#EAF3FB}

/* ---------- cards (news / cases / videos) ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .25s,transform .25s,border-color .25s;display:block}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#BCD9EF}
.card__figure{aspect-ratio:16/10;overflow:hidden;background:var(--bg-tint)}
.card__figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .card__figure img{transform:scale(1.05)}
.card__body{padding:20px 22px 22px}
.card__tag{font-size:11px;color:var(--orange);font-weight:600;letter-spacing:.08em;text-transform:uppercase;display:block;margin-bottom:8px}
.card h4{font-size:17px;font-family:var(--body-font);font-weight:600;line-height:1.4;margin-bottom:8px}
.card p{font-size:13.5px;color:var(--muted);line-height:1.6}
.card__meta{margin-top:12px;font-size:12px;color:var(--muted)}

/* video */
.video{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius);background:var(--blue-900);display:block}
.video img{width:100%;height:100%;object-fit:cover;opacity:.92;transition:transform .6s}
.video:hover img{transform:scale(1.04)}
.video__play{position:absolute;inset:0;display:grid;place-items:center}
.video__play i{
  width:58px;height:58px;border-radius:50%;background:#fff;display:grid;place-items:center;
  box-shadow:0 10px 24px rgba(4,40,69,.3);transition:background .22s,transform .22s;
}
.video__play i::after{content:"";border-left:13px solid var(--orange);border-top:8px solid transparent;border-bottom:8px solid transparent;margin-left:3px}
.video:hover .video__play i{transform:scale(1.07)}
.video__title{
  position:absolute;left:0;right:0;bottom:0;padding:44px 18px 16px;font-size:14px;font-weight:500;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(4,40,69,.88));
}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:linear-gradient(120deg,#004B85 0%,#0070C0 62%,#0E8BD6 100%);overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 320px at 82% 8%,rgba(255,115,0,.28),transparent 62%);
}
.cta-band .wrap{position:relative;padding:clamp(48px,5.5vw,84px) var(--gut);display:flex;justify-content:space-between;align-items:center;gap:34px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,2.7vw,2.5rem);max-width:22ch}
.cta-band p{color:#CFE4F4;margin-top:12px;max-width:52ch;font-size:14px}

/* ---------- footer ---------- */
.site-foot{background:var(--navy);padding:clamp(44px,5vw,72px) 0 0;color:#C3D6E4}
.foot-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.2fr;gap:36px;padding-bottom:clamp(36px,4vw,56px)}
.foot-brand .brand{margin-bottom:16px}
.foot-brand .brand__name{color:#fff}
.foot-brand .brand__sub{color:#7FA3BC}
.foot-brand p{font-size:13.5px;color:#9FB9CB;max-width:36ch;line-height:1.7}
.foot h5{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#7FA3BC;margin-bottom:14px;font-weight:600;font-family:var(--display)}
.foot li{margin-bottom:9px}
.foot a{font-size:14px;color:#C3D6E4;transition:color .2s}
.foot a:hover{color:var(--orange)}
.foot-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;line-height:1.5;color:#C3D6E4}
.foot-contact b{display:block;font-size:11px;color:#7FA3BC;margin-bottom:2px;font-weight:600}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#8AA8BE}
.foot-bottom a:hover{color:var(--orange)}

/* ---------- forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1/-1}
.field label{font-size:12.5px;color:var(--body);font-weight:500}
.field input,.field select,.field textarea{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:13px 14px;font-family:var(--body-font);font-size:14.5px;color:var(--ink);
  transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,112,192,.14);
}
.field textarea{min-height:124px;resize:vertical}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px}
.opt{font-weight:400;color:var(--muted);letter-spacing:.02em}
.opt::before{content:"·";margin:0 4px 0 2px}
@media (max-width:700px){.form-grid{grid-template-columns:1fr}}

/* ---------- misc ---------- */
.page-body{padding:var(--sec) 0}
.prose h2{margin:38px 0 14px;font-size:clamp(1.3rem,1.9vw,1.8rem)}
.prose h3{margin:28px 0 10px;font-size:1.1rem;font-family:var(--body-font);font-weight:600}
.prose p{margin-bottom:15px;color:var(--body);line-height:1.8}
.prose ul{margin:0 0 18px 0}
.prose li{padding-left:18px;position:relative;color:var(--body);margin-bottom:8px;font-size:14.5px}
.prose li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--orange)}
.notice{border:1px solid #FFD9B8;background:var(--orange-soft);border-radius:var(--radius-sm);padding:16px 18px;font-size:13.5px;color:#8A4A12}
.nf{min-height:56vh;display:grid;place-items:center;text-align:center;padding:90px 0}
.nf h1{font-size:clamp(4rem,11vw,8rem);color:var(--orange);line-height:1}

/* ---------- product gallery ---------- */
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.thumb{aspect-ratio:4/3;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:var(--bg-tint)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.thumb:hover img{transform:scale(1.04)}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .hex-grid{grid-template-columns:repeat(4,1fr)}
  .foot-grid{grid-template-columns:1.5fr 1fr 1fr;row-gap:32px}
  .mega__grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1000px){
  .nav,.topline__right{display:none}
  .nav-toggle{display:block}
  .head-actions .btn{display:none}
  .head-inner{gap:10px}
  .split,.split--media-right{grid-template-columns:1fr}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:0;border-bottom:1px solid var(--line-soft)}
  .stat:nth-child(odd){border-right:1px solid var(--line-soft)}
  .stat:nth-last-child(-n+2){border-bottom:0}
}
@media (max-width:720px){
  .cat-grid,.cat-grid--3{grid-template-columns:repeat(2,1fr)}
  .hex-grid{grid-template-columns:repeat(3,1fr)}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .head-inner{height:78px}
  .brand__mark{width:46px;height:46px}
  .brand__name{font-size:23px}
  .hero__inner{padding:48px 0 40px}
  .page-hero__inner{padding:36px 0 40px}
  .crumbs{font-size:11px;margin-bottom:18px}
  .spec__row{grid-template-columns:1fr;gap:2px}
  .cta-band .wrap{padding:46px var(--gut)}
  .cat__title{font-size:15.5px}
}

/* ---------- contrast + layout fixes after the light-theme switch ---------- */
.brand .brand__name{color:var(--blue)}
.site-foot .brand .brand__name{color:#fff}
.cat__title{color:var(--ink)}
.card h4{color:var(--ink)}
.step h4{color:var(--ink)}
.card p{color:var(--muted)}
.cat__meta{color:var(--muted)}
.section--graphite .prose p,
.section--graphite .prose li,
.section--graphite .prose h2,
.section--graphite .prose h3{color:#D6E8F5}
.section--graphite .foot-list,
.section--graphite .foot-list li{color:#C6DEEE}
.hero .eyebrow,
.page-hero .eyebrow{color:#9ED0F2}
.hero .eyebrow::before,
.page-hero .eyebrow::before{background:var(--orange)}
/* hero: keep the horizontal padding from .wrap, only control vertical rhythm */
.hero__inner{padding-top:clamp(64px,8vw,116px);padding-bottom:clamp(52px,6vw,84px)}
@media (max-width:720px){.hero__inner{padding-top:48px;padding-bottom:40px}}
/* ghost buttons are for dark backgrounds only */
.section:not(.section--graphite) .split .btn--ghost,
.page-body .btn--ghost{border-color:var(--line);color:var(--blue)}
.section:not(.section--graphite) .split .btn--ghost:hover,
.page-body .btn--ghost:hover{border-color:var(--orange);color:var(--orange);background:transparent}

/* ---------- round 3: specificity + hero gutter ---------- */
.section--graphite .cat .cat__title,
.section--graphite .card h4,
.section--graphite .step h4{color:var(--ink)}
.section--graphite .cat .cat__meta,
.section--graphite .card p{color:var(--muted)}
.hero .hero__inner{padding-left:var(--gut);padding-right:var(--gut)}
.btn--dark{border-color:#B9D3E8}

/* ---------- homepage: video + intro + animated counters ---------- */
.section--about{background:#fff;overflow:hidden}
.about-split{display:grid;grid-template-columns:1.02fr 1fr;gap:clamp(30px,4.5vw,64px);align-items:center}
.about-media{position:relative;padding:0 0 34px 22px}

.about-video{position:relative;display:block;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);background:var(--blue-900)}
.about-video img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.about-media:hover .about-video img{transform:scale(1.04)}
.about-video__play{
  position:absolute;inset:0;margin:auto;width:66px;height:66px;border-radius:50%;
  background:#fff;display:grid;place-items:center;
  box-shadow:0 14px 34px rgba(4,40,69,.32);
  transition:transform .25s,background .25s;
}
.about-video__play::after{
  content:"";width:0;height:0;margin-left:4px;
  border-left:17px solid var(--orange);
  border-top:11px solid transparent;border-bottom:11px solid transparent;
}
.about-video__play:hover{transform:scale(1.07);background:#FFF7F0}

.about-badge{
  position:absolute;left:0;bottom:0;z-index:2;
  background:linear-gradient(155deg,rgba(0,112,192,.97) 0%,rgba(0,75,133,.97) 100%);
  color:#fff;padding:24px 26px 22px;min-width:196px;border-radius:4px;
  box-shadow:0 18px 40px rgba(4,40,69,.28);
  backdrop-filter:blur(3px);
}
.about-badge small{display:block;font-size:13px;color:#CFE4F4;letter-spacing:.02em}
.about-badge b{display:block;font-family:var(--display);font-weight:600;font-size:54px;line-height:1;margin:8px 0 6px;color:#fff}
.about-badge span{display:block;font-size:14px;line-height:1.45;color:#EAF3FB}
.about-badge::after{
  content:"";position:absolute;right:14px;top:14px;width:32px;height:32px;
  border-top:2px solid rgba(255,255,255,.65);border-right:2px solid rgba(255,255,255,.65);
}

.about-copy .lede{max-width:56ch}
.counters{
  display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.4vw,32px);
  margin-top:clamp(46px,5vw,74px);padding-top:clamp(30px,3.4vw,46px);
  border-top:1px solid var(--line);
}
.counter__num{
  display:flex;align-items:flex-start;gap:3px;
  font-family:var(--display);font-weight:600;color:var(--blue);
  font-size:clamp(2rem,3.3vw,2.85rem);line-height:1;
}
.counter__num b{font-weight:600;font-variant-numeric:tabular-nums}
.counter__num i{font-style:normal;font-size:.42em;margin-top:.32em;color:var(--orange);font-weight:600}
.counter span{display:block;margin-top:12px;font-size:13.5px;color:var(--muted);line-height:1.45}

/* ---------- scroll reveal: the two columns slide toward each other ---------- */
[data-reveal]{opacity:0;transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
[data-reveal="left"]{transform:translateX(-64px)}
[data-reveal="right"]{transform:translateX(64px)}
[data-reveal="up"]{transform:translateY(36px)}
[data-reveal].is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
  .about-video img{transition:none}
}
@media (max-width:1000px){
  .about-split{grid-template-columns:1fr;gap:44px}
  .about-media{padding:0 0 30px 0}
  .about-badge{left:0;bottom:0;min-width:168px;padding:20px 22px}
  .about-badge b{font-size:44px}
  .counters{grid-template-columns:repeat(2,1fr);gap:28px 18px}
}
@media (max-width:520px){
  .counters{grid-template-columns:1fr;gap:22px}
  .counter{display:flex;align-items:baseline;gap:14px;justify-content:space-between;border-bottom:1px solid var(--line-soft);padding-bottom:14px}
  .counter span{margin-top:0;text-align:right}
}

/* mobile: keep the play button clear of the badge */
@media (max-width:720px){
  .about-video__play{inset:16px 16px auto auto;margin:0;width:54px;height:54px}
}

/* ---------- header breakpoint (bigger type needs more room) ---------- */
@media (max-width:1140px){
  .nav{display:none}
  .nav-toggle{display:block}
  .head-inner{gap:14px}
}

/* ---------- grid children must be allowed to shrink ---------- */
.about-split>*,
.split>*{min-width:0}
.about-video img,.split__media img{max-width:100%}
/* drawer: sub-menus start collapsed, the JS opens them */
.mobile-nav .mnav__sub{display:none}

/* ---------- mega grid: one row of eight ---------- */
.mega__grid{grid-template-columns:repeat(8,minmax(0,1fr));gap:22px 16px;align-items:start}
.mega__grid h5{font-size:10.5px;letter-spacing:.1em;margin:0 0 10px}
.mega__grid a{font-size:12.5px;line-height:1.5}
.mega__grid > div{min-width:0}
@media (max-width:1140px){
  .mega__grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}

/* ---------- mega three-column layout ---------- */
.mega{left:0;right:0}
.mega .wrap{padding-top:clamp(24px,2.6vw,40px);padding-bottom:clamp(24px,2.6vw,40px)}
.mega__grid{grid-template-columns:1.05fr 1.05fr .95fr;gap:clamp(24px,3vw,56px);align-items:start}
.mega__col--series .mega__links{display:grid;grid-template-columns:1fr 1fr;gap:2px 18px}
.mega__col--rest .mega__links{display:grid;grid-template-columns:1fr 1fr;gap:2px 18px}
.mega__grid h5{font-size:11px;letter-spacing:.1em;margin:0 0 12px;padding-bottom:10px;border-bottom:1px solid var(--line-soft)}
.mega__grid a{display:block;padding:5px 0;font-size:13.5px;line-height:1.45;white-space:normal}
@media (max-width:1140px){
  .mega{display:none}
}

/* 2026-10-25: mega menu regrouped to Plate / Rod / Other materials (3 columns) */
.mega__grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:26px 34px}
.mega__col--series .mega__col a{white-space:normal}
@media (max-width:1024px){.mega__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 28px}}

/* ---------- hex solutions: hollow ring (5 top + 5 bottom + 2 side bridges) ---------- */
/* desktop: the twelve hexagons close into a ring with an open centre */
@media (min-width:721px){
  .hex-grid{grid-template-columns:repeat(5,1fr);grid-template-rows:auto auto auto;gap:16px}
  .hex:nth-child(1){grid-column:1;grid-row:1}
  .hex:nth-child(2){grid-column:2;grid-row:1}
  .hex:nth-child(3){grid-column:3;grid-row:1}
  .hex:nth-child(4){grid-column:4;grid-row:1}
  .hex:nth-child(5){grid-column:5;grid-row:1}
  .hex:nth-child(6){grid-column:5;grid-row:2}
  .hex:nth-child(7){grid-column:5;grid-row:3}
  .hex:nth-child(8){grid-column:4;grid-row:3}
  .hex:nth-child(9){grid-column:3;grid-row:3}
  .hex:nth-child(10){grid-column:2;grid-row:3}
  .hex:nth-child(11){grid-column:1;grid-row:3}
  .hex:nth-child(12){grid-column:1;grid-row:2}
  /* the two side hexagons reach into the rows above and below to close the ring */
  .hex:nth-child(6),.hex:nth-child(12){margin-top:-30%;margin-bottom:-30%}
}
/* mobile: fall back to a compact two-column grid */
@media (max-width:720px){
  .hex-grid{grid-template-columns:repeat(2,1fr)}
  .hex{grid-column:auto;grid-row:auto;margin-top:0;margin-bottom:0}
}

/* ---------- one stop service (home 02) ---------- */
.split--top{align-items:center}
.split__media--sticky{align-self:center}
.split__media--sticky img{aspect-ratio:4/5}
.stop-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:26px}
.stop-cta span{font-size:13px;color:#9FB8CB}
.feat{transition:background .25s ease,border-color .25s ease}
.feat:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.28)}
@media (max-width:900px){
  .split__media--sticky{position:static}
  .split__media--sticky img{aspect-ratio:4/3}
}

/* ---------- one stop service: matched to reference screenshot ---------- */
.sec-onestop{background:#fff}
.os{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,2.6vw,40px);align-items:center}
.os__title{margin:0;font-size:clamp(28px,2.4vw,36px);line-height:1.1;font-weight:700;
  color:#081525;letter-spacing:-.01em}
.os__list{display:flex;flex-wrap:wrap;margin:12px 0 0;padding:0;list-style:none;counter-reset:os}
.os__list li{width:50%;margin:46px 0 0;display:flex;align-items:center;
  font-size:16.5px;line-height:1.5;color:#5E5E5E}
.os__list li::before{counter-increment:os;content:counter(os);flex:none;
  width:38px;height:38px;line-height:38px;text-align:center;
  font-size:20px;font-weight:700;color:#fff;background:#0C65A9}
.os__list li span{flex:1;margin-left:17px;transform-origin:left center;
  -webkit-text-stroke:0 currentColor;
  transition:color .28s ease,transform .28s ease,text-shadow .28s ease,
    font-weight .28s ease,-webkit-text-stroke .28s ease}
.os__list li::before{transition:background .28s ease,box-shadow .28s ease,transform .28s ease}
/* hover: orange, optically bolder, lifted off the page */
.os__list li:hover span{color:var(--orange);font-weight:600;
  -webkit-text-stroke:.2px currentColor;
  transform:translateY(-1px) scale(1.02);
  text-shadow:0 10px 22px rgba(255,115,0,.3)}
.os__list li:hover::before{background:var(--orange);
  box-shadow:0 10px 20px rgba(255,115,0,.38);transform:translateY(-1px) scale(1.06)}
.os__more{margin-top:36px;display:inline-block;height:52px;line-height:50px;padding:0 42px;
  background:#0C65A9;color:#fff;font-size:13px;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;border:1px solid #0C65A9;border-radius:0;
  transition:background .22s ease,color .22s ease}
.os__more:hover{background:#fff;color:#0C65A9}
.os__pics{position:relative}
.os__set{display:flex;justify-content:space-between;align-items:flex-start;gap:48px;
  transition:opacity .42s ease,transform .62s cubic-bezier(.22,.61,.36,1)}
/* stacked pairs — only the hovered step's pair is shown */
.os__set--b,.os__set--c,.os__set--d,.os__set--e,.os__set--f{position:absolute;inset:0;opacity:0;pointer-events:none}
.os__set--b{transform:translateY(26px)}          /* 02 rises into place   */
.os__set--c{transform:scale(1.06)}               /* 03 pulls back         */
.os__pic{width:calc(50% - 24px);overflow:hidden;
  transition:transform .62s cubic-bezier(.22,.61,.36,1)}
.os__pic--r{transform:translate(0,32px)}
.os__pic img{width:100%;height:auto;display:block}

/* 01 — the pair closes in from 48px to 28px, with a light camera zoom inside the frame */
.os__pic img{transition:transform .62s cubic-bezier(.22,.61,.36,1)}
.os:has(.os__list li:nth-child(1):hover) .os__set--a .os__pic img{transform:scale(1.035)}
.os:has(.os__list li:nth-child(1):hover) .os__set--a .os__pic--l{transform:translate(10px,0)}
.os:has(.os__list li:nth-child(1):hover) .os__set--a .os__pic--r{transform:translate(-10px,32px)}

/* 02 — fades up from below */
.os:has(.os__list li:nth-child(2):hover) .os__set--a{opacity:0}
.os:has(.os__list li:nth-child(2):hover) .os__set--b{opacity:1;transform:none;pointer-events:auto}
.os:has(.os__list li:nth-child(2):hover) .os__set--b .os__pic--l{transform:translate(10px,0)}
.os:has(.os__list li:nth-child(2):hover) .os__set--b .os__pic--r{transform:translate(-10px,32px)}

/* 03 — camera settles: zooms out and fades in */
.os:has(.os__list li:nth-child(3):hover) .os__set--a{opacity:0}
.os:has(.os__list li:nth-child(3):hover) .os__set--c{opacity:1;transform:none;pointer-events:auto}
.os:has(.os__list li:nth-child(3):hover) .os__set--c .os__pic--l{transform:translate(10px,0)}
.os:has(.os__list li:nth-child(3):hover) .os__set--c .os__pic--r{transform:translate(-10px,32px)}

/* 04 — the pair starts wide apart and closes in */
.os__set--d .os__pic--l{transform:translate(-22px,0)}
.os__set--d .os__pic--r{transform:translate(22px,32px)}
.os:has(.os__list li:nth-child(4):hover) .os__set--a{opacity:0}
.os:has(.os__list li:nth-child(4):hover) .os__set--d{opacity:1;pointer-events:auto}
.os:has(.os__list li:nth-child(4):hover) .os__set--d .os__pic--l{transform:translate(10px,0)}
.os:has(.os__list li:nth-child(4):hover) .os__set--d .os__pic--r{transform:translate(-10px,32px)}

/* 05 — the pair arrives from opposite vertical directions */
.os__set--e .os__pic--l{transform:translate(10px,34px)}
.os__set--e .os__pic--r{transform:translate(-10px,-2px)}
.os:has(.os__list li:nth-child(5):hover) .os__set--a{opacity:0}
.os:has(.os__list li:nth-child(5):hover) .os__set--e{opacity:1;pointer-events:auto}
.os:has(.os__list li:nth-child(5):hover) .os__set--e .os__pic--l{transform:translate(10px,0)}
.os:has(.os__list li:nth-child(5):hover) .os__set--e .os__pic--r{transform:translate(-10px,32px)}

/* 06 — wiped in from both sides */
.os__set--f .os__pic--l{clip-path:inset(0 100% 0 0)}
.os__set--f .os__pic--r{clip-path:inset(0 0 0 100%)}
.os__pic{transition:transform .62s cubic-bezier(.22,.61,.36,1),clip-path .7s cubic-bezier(.4,0,.2,1)}
.os:has(.os__list li:nth-child(6):hover) .os__set--a{opacity:0}
.os:has(.os__list li:nth-child(6):hover) .os__set--f{opacity:1;pointer-events:auto}
.os:has(.os__list li:nth-child(6):hover) .os__set--f .os__pic--l{clip-path:inset(0);
  transform:translate(10px,0)}
.os:has(.os__list li:nth-child(6):hover) .os__set--f .os__pic--r{clip-path:inset(0);
  transform:translate(-10px,32px)}

@media (max-width:600px){
  .os__set{gap:20px}
  .os__pic{width:calc(50% - 10px)}
}
@media (min-width:993px) and (max-width:1240px){
  /* two columns are too narrow here — one item per row keeps every label on one line */
  .os__list li{width:100%;margin-top:16px;font-size:15.5px}
  .os__list li::before{width:34px;height:34px;line-height:34px;font-size:18px}
  .os__list li span{margin-left:14px}
}
@media (max-width:992px){
  .os{grid-template-columns:1fr}
  .os__pics{margin-top:34px}
  .os__title{font-size:30px}
}
@media (max-width:600px){
  .os__list li{width:100%;margin-top:20px;font-size:15px}
  .os__title{font-size:26px}
  .os__more{margin-top:30px;height:46px;line-height:44px;padding:0 28px;font-size:12px}
  .os__pics{gap:10px;margin-top:26px}
  .os__pic{width:calc(50% - 5px)}
}

/* ---------- LINE floating button ---------- */
.line-fab{position:fixed;right:20px;bottom:96px;z-index:9990;width:56px;height:56px;
  border-radius:50%;background:#06C755;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(6,199,85,.38);transition:transform .25s ease,box-shadow .25s ease}
.line-fab:hover{transform:translateY(-2px) scale(1.05);box-shadow:0 14px 28px rgba(6,199,85,.48)}
.line-fab svg{display:block}
.line-fab__tip{position:absolute;right:66px;top:50%;transform:translate(8px,-50%);white-space:nowrap;
  background:#0B1B2B;color:#fff;font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:7px 12px;border-radius:8px;opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease}
.line-fab:hover .line-fab__tip{opacity:1;transform:translate(0,-50%)}
.topline__line{color:#06C755 !important;font-weight:600}
@media (max-width:600px){
  .line-fab{right:14px;bottom:88px;width:50px;height:50px}
  .line-fab__tip{display:none}
}


/* ---------- home hero: full-bleed Thai banner ---------- */
.hero--banner{position:relative;padding:0;background:#0a2138;line-height:0}
.hero__banner{display:block;width:100%;height:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
@media (max-width:760px){
  .hero--banner{aspect-ratio:1/1;overflow:hidden;line-height:normal}
  .hero__banner{width:100%;height:100%;object-fit:cover;object-position:64% 50%}
}

.hero--banner::after,.hero--banner::before{display:none}
.hero--banner .hero__grid{display:none}