/* ═══════════════════════════════════════════════
   TOKENS — light is the base; dark redefines only
   ═══════════════════════════════════════════════ */
:root{
  color-scheme:light dark;
  --ground:#EDF3F4;
  --surface:#FFFFFF;
  --surface-2:#F6FAFA;
  --surface-dark:#06222E;
  --surface-dark-2:#0B3341;
  --ink:#06222E;
  --ink-2:#46626D;
  --ink-3:#7794A0;
  --on-dark:#E7F2F4;
  --on-dark-2:#93B2BC;
  --line:#D2E0E3;
  --line-strong:#B4CBD1;
  --line-dark:#164254;
  --brand:#0C7C8E;
  --brand-ink:#06414D;
  --brand-wash:#DCEDF0;
  --brand-lift:#37B8CC;
  --uv:#7250CE;
  --vis:#CE8F1E;
  --ir:#CC4634;
  --good:#22885C;

  /* solution palette — taken from Tomiry's own 5-solution colour coding */
  --nano:#0C7C8E;  --nano-wash:#DCEDF0;  --nano-ink:#06414D;
  --hydro:#256D48;  --hydro-wash:#DEEDE4; --hydro-ink:#143F2A;
  --seal:#C25518;   --seal-wash:#FAE6D8;  --seal-ink:#6C2E0B;
  --pyro:#15669E;   --pyro-wash:#DBE9F5;  --pyro-ink:#0A3A5C;
  --plim:#573A8A;   --plim-wash:#E6E0F2;  --plim-ink:#2E1D50;

  --shadow:0 1px 2px rgba(6,34,46,.06), 0 8px 24px -12px rgba(6,34,46,.18);
  --shadow-lift:0 2px 4px rgba(6,34,46,.07), 0 20px 44px -20px rgba(6,34,46,.28);

  --f-display:"Anuphan","IBM Plex Sans Thai","Noto Sans Thai",system-ui,sans-serif;
  --f-body:"IBM Plex Sans Thai","Noto Sans Thai",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;

  --col:1180px;
  --read:720px;
  --r:14px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#061620; --surface:#0B2733; --surface-2:#0F3141;
    --surface-dark:#040F16; --surface-dark-2:#0A2632;
    --ink:#E2EFF1; --ink-2:#9CB6BF; --ink-3:#6E8C97;
    --on-dark:#E2EFF1; --on-dark-2:#8FAEB8;
    --line:#17394A; --line-strong:#22505F; --line-dark:#12333F;
    --brand:#3FBBCE; --brand-ink:#A7E2EC; --brand-wash:#0E3644; --brand-lift:#5CCCDD;
    --uv:#A48CEC; --vis:#EFC067; --ir:#F27B69; --good:#4CC48D;
    --nano:#3FBBCE;  --nano-wash:#0E3644;  --nano-ink:#A7E2EC;
    --hydro:#54BE85; --hydro-wash:#11321F; --hydro-ink:#A8E5C2;
    --seal:#EE8348;  --seal-wash:#38200F;  --seal-ink:#F7C3A2;
    --pyro:#51A4DD;  --pyro-wash:#0B2B42;  --pyro-ink:#B0D8F2;
    --plim:#A387D8;  --plim-wash:#221641;  --plim-ink:#D3C5EE;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
    --shadow-lift:0 2px 6px rgba(0,0,0,.45), 0 20px 44px -20px rgba(0,0,0,.75);
  }
}
:root[data-theme="dark"]{
  --ground:#061620; --surface:#0B2733; --surface-2:#0F3141;
  --surface-dark:#040F16; --surface-dark-2:#0A2632;
  --ink:#E2EFF1; --ink-2:#9CB6BF; --ink-3:#6E8C97;
  --on-dark:#E2EFF1; --on-dark-2:#8FAEB8;
  --line:#17394A; --line-strong:#22505F; --line-dark:#12333F;
  --brand:#3FBBCE; --brand-ink:#A7E2EC; --brand-wash:#0E3644; --brand-lift:#5CCCDD;
  --uv:#A48CEC; --vis:#EFC067; --ir:#F27B69; --good:#4CC48D;
  --nano:#3FBBCE;  --nano-wash:#0E3644;  --nano-ink:#A7E2EC;
  --hydro:#54BE85; --hydro-wash:#11321F; --hydro-ink:#A8E5C2;
  --seal:#EE8348;  --seal-wash:#38200F;  --seal-ink:#F7C3A2;
  --pyro:#51A4DD;  --pyro-wash:#0B2B42;  --pyro-ink:#B0D8F2;
  --plim:#A387D8;  --plim-wash:#221641;  --plim-ink:#D3C5EE;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-lift:0 2px 6px rgba(0,0,0,.45), 0 20px 44px -20px rgba(0,0,0,.75);
}

/* accent mapping — points at theme-aware tokens, so it works in every theme state */
.acc-nanolink   {--acc:var(--nano); --acc-wash:var(--nano-wash); --acc-ink:var(--nano-ink)}
.acc-hydroblock {--acc:var(--hydro);--acc-wash:var(--hydro-wash);--acc-ink:var(--hydro-ink)}
.acc-sealcoat   {--acc:var(--seal); --acc-wash:var(--seal-wash); --acc-ink:var(--seal-ink)}
.acc-pyrolusite {--acc:var(--pyro); --acc-wash:var(--pyro-wash); --acc-ink:var(--pyro-ink)}
.acc-plimates   {--acc:var(--plim); --acc-wash:var(--plim-wash); --acc-ink:var(--plim-ink)}

/* ═══════════ base ═══════════ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:var(--f-body);font-size:16.5px;line-height:1.72;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:600;line-height:1.24;text-wrap:balance;margin:0}
p{margin:0}
a{color:inherit}
img{max-width:100%;display:block}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--brand-lift);outline-offset:3px;border-radius:4px}
[hidden]{display:none !important}

.wrap{width:min(100% - 40px,var(--col));margin-inline:auto}
.read{max-width:var(--read)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums;font-weight:500}

.eyebrow{
  font-family:var(--f-mono);font-size:11.5px;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;color:var(--acc,var(--brand));
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;flex:none}

.band-sec{padding:clamp(60px,7.5vw,104px) 0;border-top:1px solid var(--line)}
.band-sec.plain{border-top:0}
.sec-head{margin-bottom:clamp(32px,5vw,52px)}
.sec-head h2{font-size:clamp(27px,4vw,41px);letter-spacing:-.015em}
.sec-head p{color:var(--ink-2);margin-top:14px;max-width:62ch}

.btn{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;
  font-family:var(--f-body);font-size:14.5px;font-weight:600;text-decoration:none;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s,box-shadow .18s,background .18s,border-color .18s,color .18s;
}
.btn-solid{background:var(--acc,var(--brand));color:#fff;box-shadow:0 8px 20px -10px var(--acc,var(--brand))}
.btn-solid:hover{transform:translateY(-1px);box-shadow:0 12px 26px -10px var(--acc,var(--brand))}
.btn-ghost{border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--acc,var(--brand));color:var(--acc,var(--brand))}
.btn-on-dark{border-color:rgba(255,255,255,.26);color:var(--on-dark)}
.btn-on-dark:hover{border-color:var(--brand-lift);color:var(--brand-lift)}

/* ═══════════ NAV ═══════════ */
.nav{
  position:sticky;top:0;z-index:80;
  background:color-mix(in srgb,var(--ground) 88%,transparent);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid transparent;transition:border-color .3s;
}
.nav[data-stuck="1"]{border-bottom-color:var(--line)}
.nav-in{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;flex:none}
.brand svg{width:27px;height:27px;flex:none}
.brand-txt b{
  display:block;font-family:var(--f-display);font-weight:600;font-size:19px;
  letter-spacing:.13em;color:var(--brand-ink);line-height:1.1;
}
.brand-txt s{
  display:block;text-decoration:none;font-family:var(--f-mono);font-size:8.5px;
  letter-spacing:.11em;color:var(--ink-3);text-transform:uppercase;margin-top:1px;
}
.nav-links{display:flex;gap:6px;margin-inline-start:auto;align-items:center}
.nav-links > a,.drop > button{
  font-family:var(--f-body);font-size:14.5px;color:var(--ink-2);font-weight:500;
  text-decoration:none;padding:8px 12px;border-radius:8px;border:0;background:none;
  cursor:pointer;transition:color .2s,background .2s;display:inline-flex;align-items:center;gap:6px;
}
.nav-links > a:hover,.drop > button:hover{color:var(--brand);background:var(--brand-wash)}
.nav-links > a.on,.drop.on > button{color:var(--brand);font-weight:600}
.drop{position:relative}
.drop > button svg{width:11px;height:11px;transition:transform .22s}
.drop[data-open="1"] > button svg{transform:rotate(180deg)}
.drop-menu{
  position:absolute;top:calc(100% + 8px);inset-inline-end:0;min-width:290px;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-lift);padding:7px;display:flex;flex-direction:column;gap:1px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s,transform .2s,visibility .2s;
}
.drop[data-open="1"] .drop-menu{opacity:1;visibility:visible;transform:none}
.drop-menu a{
  display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:8px;
  text-decoration:none;transition:background .18s;
}
.drop-menu a:hover{background:var(--surface-2)}
.drop-menu i{width:9px;height:9px;border-radius:3px;background:var(--acc);flex:none}
.drop-menu b{display:block;font-size:14px;font-weight:600;font-family:var(--f-display)}
.drop-menu span{display:block;font-size:12px;color:var(--ink-3);line-height:1.4}
.nav-cta{margin-inline-start:8px}
.burger{display:none;margin-inline-start:auto;background:none;border:1px solid var(--line-strong);border-radius:9px;padding:9px 11px;cursor:pointer;color:var(--ink)}
.burger svg{width:18px;height:18px;display:block}
@media (max-width:1040px){
  .nav-links,.nav-cta{display:none}
  .burger{display:block}
}
.sheet{
  position:fixed;inset:68px 0 0;z-index:70;background:var(--ground);
  padding:22px 20px 40px;overflow-y:auto;display:flex;flex-direction:column;gap:6px;
}
.sheet a{
  text-decoration:none;padding:13px 14px;border-radius:10px;font-weight:600;
  display:flex;align-items:center;gap:11px;border-bottom:1px solid var(--line);
}
.sheet a i{width:9px;height:9px;border-radius:3px;background:var(--acc,var(--brand));flex:none}
.sheet a span{font-size:12px;color:var(--ink-3);font-weight:400;margin-inline-start:auto}
.sheet .btn{margin-top:16px;justify-content:center;border-bottom:0}

/* ═══════════ HERO (home) ═══════════ */
.hero{
  background:var(--surface-dark);color:var(--on-dark);position:relative;overflow:hidden;
  padding:clamp(50px,6.5vw,84px) 0 clamp(56px,6.5vw,84px);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 80% -12%, rgba(55,184,204,.20), transparent 58%),
    radial-gradient(80% 70% at 6% 108%, rgba(87,58,138,.16), transparent 60%);
}
.hero-in{position:relative}
.hero .eyebrow{color:var(--brand-lift)}
.hero h1{font-size:clamp(38px,6.2vw,68px);letter-spacing:-.03em;line-height:1.06;font-weight:700}
.hero h1 em{font-style:normal;color:var(--brand-lift)}
.hero-lede{color:var(--on-dark-2);margin-top:20px;font-size:17px;max-width:52ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-checks{
  display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;
  font-size:14px;color:var(--on-dark-2);
}
.hero-checks span{display:flex;align-items:center;gap:8px}
.hero-checks svg{width:14px;height:14px;color:var(--brand-lift);flex:none}
.hero-motto{
  font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-lift);margin-top:30px;
}

/* building section diagram */
.diagram-wrap{
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:26px;
  margin-top:clamp(34px,4.5vw,54px);align-items:stretch;
}
@media (max-width:940px){.diagram-wrap{grid-template-columns:1fr}}
.diagram{
  background:var(--surface-dark-2);border:1px solid var(--line-dark);border-radius:18px;
  padding:clamp(14px,2vw,22px);box-shadow:0 30px 70px -40px #000;
}
.diagram svg{width:100%;height:auto;display:block;overflow:visible}
.hot{cursor:pointer}
.hot .zone{transition:opacity .3s,filter .3s}
.hot:hover .zone,.hot[data-on="1"] .zone{opacity:1}
.diagram[data-any="1"] .hot:not([data-on="1"]) .zone{opacity:.28}
.hot .dot{transition:r .25s,opacity .25s}
.hot:hover .dot,.hot[data-on="1"] .dot{r:9}
.diagram-cap{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:14px;padding-top:13px;border-top:1px solid var(--line-dark);
  font-family:var(--f-mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--on-dark-2);
}
.zone-card{
  background:var(--surface-dark-2);border:1px solid var(--line-dark);border-radius:18px;
  padding:clamp(22px,2.6vw,28px);display:flex;flex-direction:column;gap:14px;
  box-shadow:0 30px 70px -40px #000;
}
.zone-card .tagline{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--acc)
}
.zone-card h3{font-size:26px;letter-spacing:.02em;color:var(--acc)}
.zone-card .cat{font-size:13px;color:var(--on-dark-2);margin-top:-8px}
.zone-card ul{margin:0;padding-inline-start:18px;font-size:14px;color:var(--on-dark-2);display:flex;flex-direction:column;gap:7px}
.zone-card .promise{
  background:var(--acc);color:#fff;border-radius:9px;padding:11px 14px;
  font-size:13.5px;font-weight:600;line-height:1.5;
}
.zone-card .btn{margin-top:auto;align-self:flex-start}

/* ═══════════ shared blocks ═══════════ */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(22px,2.6vw,28px);box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:12px;
}
.card-key{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--acc,var(--brand))}
.card h3{font-size:19px}
.card p{color:var(--ink-2);font-size:14.5px}
.card ul{margin:0;padding-inline-start:19px;color:var(--ink-2);font-size:14.5px}
.card li{margin-top:5px}
.card .spec{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);font-family:var(--f-mono);font-size:13px;font-weight:600;color:var(--acc,var(--brand))}
.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cards-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (max-width:880px){.cards-3{grid-template-columns:1fr}}
@media (max-width:820px){.cards-2{grid-template-columns:1fr}}

/* problem → solution map */
.map{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.map-row{
  display:grid;grid-template-columns:1.05fr auto 1fr;gap:20px;align-items:center;
  padding:19px 22px;border-bottom:1px solid var(--line);text-decoration:none;
  transition:background .2s;
}
.map-row:last-child{border-bottom:0}
.map-row:hover{background:var(--acc-wash)}
.map-prob b{display:block;font-family:var(--f-display);font-size:16px;font-weight:600}
.map-prob span{font-size:13.5px;color:var(--ink-2)}
.map-arrow{color:var(--ink-3);font-family:var(--f-mono);font-size:15px;flex:none}
.map-sol{display:flex;align-items:center;gap:11px}
.map-sol i{width:10px;height:10px;border-radius:3px;background:var(--acc);flex:none}
.map-sol b{font-family:var(--f-mono);font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--acc)}
.map-sol span{font-size:13px;color:var(--ink-2)}
@media (max-width:700px){
  .map-row{grid-template-columns:1fr;gap:9px}
  .map-arrow{display:none}
}

/* solution grid on home */
.sol-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
@media (max-width:1040px){.sol-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.sol-grid{grid-template-columns:1fr}}
.sol-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;text-decoration:none;display:flex;flex-direction:column;
  box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.sol-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:var(--acc)}
.sol-card .top{padding:20px 20px 0}
.sol-card .ico{width:30px;height:30px;color:var(--acc);margin-bottom:12px}
.sol-card .ico svg{width:100%;height:100%;display:block}
.sol-card h3{font-family:var(--f-mono);font-size:15px;font-weight:600;letter-spacing:.07em;color:var(--acc)}
.sol-card .cat{font-size:12px;color:var(--ink-3);line-height:1.45;margin-top:3px}
.sol-card ul{margin:14px 0 20px;padding:0 20px 0 34px;font-size:13.5px;color:var(--ink-2);display:flex;flex-direction:column;gap:8px}
.sol-card .promise-bar{
  margin-top:auto;background:var(--acc);color:#fff;padding:13px 18px;
  font-size:12.5px;font-weight:600;line-height:1.45;
}

/* ESG */
.esg{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
@media (max-width:900px){.esg{grid-template-columns:repeat(2,minmax(0,1fr))}}
.esg div{background:var(--surface);padding:20px}
.esg .t{font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.09em;color:var(--good)}
.esg .d{font-size:13px;color:var(--ink-2);margin-top:5px;line-height:1.55}

/* proof strip on home */
.proof-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--r);overflow:hidden;
}
@media (max-width:700px){.proof-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}
.proof-strip div{background:var(--surface-dark-2);padding:20px}
.proof-strip .v{font-family:var(--f-mono);font-size:27px;font-weight:600;color:var(--brand-lift);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.proof-strip .k{font-size:12.5px;color:var(--on-dark-2);margin-top:4px;line-height:1.5}

/* ═══════════ solution page header ═══════════ */
.sol-hero{
  background:var(--surface-dark);color:var(--on-dark);position:relative;overflow:hidden;
  padding:clamp(44px,5.5vw,72px) 0;
}
.sol-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(110% 100% at 82% -15%, color-mix(in srgb,var(--acc) 34%,transparent), transparent 60%);
}
.sol-hero-in{position:relative;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(28px,4vw,56px);align-items:center}
@media (max-width:900px){.sol-hero-in{grid-template-columns:1fr;gap:32px}}
.crumb{
  font-family:var(--f-mono);font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--on-dark-2);margin-bottom:16px;
}
.crumb a{text-decoration:none;color:var(--on-dark-2);transition:color .2s}
.crumb a:hover{color:var(--acc)}
.sol-hero h1{font-size:clamp(34px,5.2vw,58px);letter-spacing:-.025em;line-height:1.08;font-weight:700}
.sol-hero .name{font-family:var(--f-mono);letter-spacing:.02em;color:var(--acc);display:block;font-size:.55em;font-weight:600;margin-bottom:10px}
.sol-hero p.lede{color:var(--on-dark-2);margin-top:18px;font-size:17px;max-width:48ch}
.sol-hero .btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.sol-badge{
  background:var(--surface-dark-2);border:1px solid var(--line-dark);border-radius:18px;
  padding:clamp(22px,2.8vw,30px);display:flex;flex-direction:column;gap:16px;
}
.sol-badge .ico{width:46px;height:46px;color:var(--acc)}
.sol-badge .ico svg{width:100%;height:100%}
.sol-badge .cat{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--on-dark-2);line-height:1.7}
.sol-badge .promise{background:var(--acc);color:#fff;border-radius:10px;padding:13px 16px;font-size:14px;font-weight:600;line-height:1.5}

/* symptom checklist */
.signs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:700px){.signs{grid-template-columns:1fr}}
.sign{
  display:flex;gap:12px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:11px;padding:15px 17px;font-size:14.5px;
}
.sign i{
  width:20px;height:20px;border-radius:6px;background:var(--acc-wash);color:var(--acc);
  display:grid;place-items:center;flex:none;margin-top:2px;
  font-family:var(--f-mono);font-size:12px;font-weight:600;font-style:normal;
}

/* benefit list */
.benefits{display:flex;flex-direction:column;gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.benefit{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:20px 22px;border-bottom:1px solid var(--line);align-items:start}
.benefit:last-child{border-bottom:0}
.benefit .n{font-family:var(--f-mono);font-size:13px;font-weight:600;color:var(--acc);padding-top:2px}
.benefit h4{font-size:16.5px}
.benefit p{font-size:14.5px;color:var(--ink-2);margin-top:4px}

/* area chips */
.areas{display:flex;flex-wrap:wrap;gap:10px}
.area{
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:9px 17px;font-size:14px;color:var(--ink-2);
}
.area b{color:var(--acc);font-weight:600}

/* ═══════════ tables ═══════════ */
.readout{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.tbl-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
thead th{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-weight:500;background:var(--surface-2);white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
td.n{font-family:var(--f-mono);font-variant-numeric:tabular-nums;font-weight:500;white-space:nowrap}
td.delta{font-family:var(--f-mono);font-weight:600;color:var(--good);white-space:nowrap}
.rowlab{font-weight:500}
.rowlab small{display:block;color:var(--ink-3);font-family:var(--f-mono);font-size:11px;letter-spacing:.06em}

/* ═══════════ NANOLINK page specifics ═══════════ */
.gate{background:var(--surface-dark-2);border:1px solid var(--line-dark);border-radius:18px;padding:clamp(20px,2.6vw,28px);box-shadow:0 30px 70px -40px #000}
.gate-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.gate-title{font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--on-dark-2)}
.gate-title b{display:block;font-family:var(--f-body);font-size:15px;letter-spacing:0;text-transform:none;color:var(--on-dark);font-weight:600;margin-top:5px}
.seg{display:flex;background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:999px;padding:3px;flex:none}
.seg button{font-family:var(--f-mono);font-size:12.5px;font-weight:500;letter-spacing:.04em;padding:7px 15px;border-radius:999px;border:0;background:transparent;color:var(--on-dark-2);cursor:pointer;transition:background .22s,color .22s}
.seg button[aria-pressed="true"]{background:var(--brand-lift);color:#04222B;font-weight:600}
.rows{display:flex;flex-direction:column;gap:15px}
.row{display:grid;grid-template-columns:104px minmax(0,1fr) 74px;gap:14px;align-items:center}
.row-lab{font-size:13px;line-height:1.3}
.row-lab b{display:block;font-family:var(--f-mono);font-size:12px;letter-spacing:.09em;font-weight:600}
.row-lab span{color:var(--on-dark-2);font-size:11.5px}
.track{position:relative;height:26px;border-radius:5px;overflow:hidden;background:repeating-linear-gradient(-45deg,rgba(255,255,255,.055) 0 5px,transparent 5px 10px);border:1px solid var(--line-dark)}
.fill{position:absolute;inset:0 auto 0 0;border-radius:4px 0 0 4px;transition:width .65s cubic-bezier(.22,1,.36,1)}
.row-val{font-family:var(--f-mono);font-size:14px;font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.row[data-b="uv"] .fill{background:var(--uv)}
.row[data-b="uv"] .row-lab b,.row[data-b="uv"] .row-val{color:var(--uv)}
.row[data-b="vis"] .fill{background:linear-gradient(90deg,var(--vis),#F2D89B)}
.row[data-b="vis"] .row-lab b,.row[data-b="vis"] .row-val{color:var(--vis)}
.row[data-b="ir"] .fill{background:var(--ir)}
.row[data-b="ir"] .row-lab b,.row[data-b="ir"] .row-val{color:var(--ir)}
.gate-foot{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-top:22px;padding-top:18px;border-top:1px solid var(--line-dark);font-size:13px;color:var(--on-dark-2)}
.gate-foot b{color:var(--on-dark);font-family:var(--f-mono);font-size:17px;font-weight:600}
.gate-note{font-size:11.5px;color:var(--on-dark-2);opacity:.75;margin-top:14px;line-height:1.5}
@media (max-width:520px){.row{grid-template-columns:88px minmax(0,1fr) 62px;gap:10px}.gate-top{flex-direction:column}}

.proof-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
@media (max-width:820px){.proof-grid{grid-template-columns:1fr}}
.shot{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);margin:0}
.shot-tag{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 17px;border-bottom:1px solid var(--line);font-family:var(--f-mono);font-size:12px;letter-spacing:.09em;text-transform:uppercase}
.shot-tag .pill{font-family:var(--f-body);font-size:11.5px;letter-spacing:0;text-transform:none;font-weight:600;padding:3px 10px;border-radius:999px}
.pill-plain{background:var(--brand-wash);color:var(--brand-ink)}
.pill-film{background:var(--brand);color:#fff}
.shot img{width:100%;height:auto}

.case-2{display:grid;grid-template-columns:1.15fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
@media (max-width:820px){.case-2{grid-template-columns:1fr}}
.case-2 .txt{padding:clamp(22px,3vw,30px)}
.case-2 .txt h3{font-size:20px}
.case-2 .txt p{color:var(--ink-2);font-size:14.5px;margin-top:10px}
.case-2 .dat{background:var(--surface-2);border-inline-start:1px solid var(--line);padding:clamp(22px,3vw,30px);display:flex;flex-direction:column;justify-content:center;gap:18px}
@media (max-width:820px){.case-2 .dat{border-inline-start:0;border-top:1px solid var(--line)}}
.dline{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.dline .k{font-size:13.5px;color:var(--ink-2)}
.dline .v{font-family:var(--f-mono);font-size:19px;font-weight:600;font-variant-numeric:tabular-nums}

.quote{padding:clamp(24px,3vw,34px);background:var(--acc-wash,var(--brand-wash));border-radius:var(--r);border-inline-start:3px solid var(--acc,var(--brand))}
.quote p{font-family:var(--f-display);font-size:clamp(19px,2.5vw,25px);font-weight:600;line-height:1.42;color:var(--acc-ink,var(--brand-ink));text-wrap:balance}
.quote cite{display:block;margin-top:12px;font-style:normal;font-size:13px;color:var(--ink-2)}

.spec-tbl th:not(:first-child),.spec-tbl td:not(:first-child){text-align:center}
.spec-tbl .hilite{background:var(--brand-wash);color:var(--brand-ink);font-weight:600;letter-spacing:.06em}
.spec-tbl td.hilite{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.spec-tbl .weak{color:var(--ink-3);font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.spec-tbl caption{caption-side:bottom;text-align:start;padding:14px 18px;font-size:12.5px;color:var(--ink-3);border-top:1px solid var(--line)}

.safety{display:grid;grid-template-columns:1.25fr .85fr;gap:26px;align-items:start}
@media (max-width:900px){.safety{grid-template-columns:1fr}}
.meter+.meter{margin-top:26px}
.meter-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:9px}
.meter-top .k{font-size:14.5px;font-weight:500}
.meter-top .k small{display:block;color:var(--ink-3);font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;font-weight:400}
.meter-top .v{font-family:var(--f-mono);font-size:20px;font-weight:600;color:var(--good)}
.meter-bar{position:relative;height:10px;background:var(--surface-2);border:1px solid var(--line);border-radius:99px;overflow:hidden}
.meter-bar i{position:absolute;inset:0 auto 0 0;background:var(--good);border-radius:99px;display:block}
.meter-scale{display:flex;justify-content:space-between;margin-top:7px;font-family:var(--f-mono);font-size:11px;color:var(--ink-3)}
.cert{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--shadow);margin:0}
.cert img{border-radius:6px;border:1px solid var(--line)}
.cert figcaption{margin-top:14px;font-size:13px;color:var(--ink-2);line-height:1.6}
.cert figcaption b{color:var(--ink);display:block;font-family:var(--f-display);font-size:15px;font-weight:600;margin-bottom:3px}
.certs-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
@media (max-width:820px){.certs-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}
.certs-strip div{background:var(--surface);padding:18px}
.certs-strip .t{font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--brand)}
.certs-strip .d{font-size:13px;color:var(--ink-2);margin-top:5px;line-height:1.55}

.rooms-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.seg-light{display:flex;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:3px;flex:none}
.seg-light button{font-family:var(--f-body);font-size:14px;font-weight:600;padding:9px 18px;border-radius:999px;border:0;background:transparent;color:var(--ink-2);cursor:pointer;transition:background .22s,color .22s}
.seg-light button[aria-pressed="true"]{background:var(--brand);color:#fff}
.model-tag{display:inline-block;font-family:var(--f-mono);font-size:12px;font-weight:600;padding:3px 10px;border-radius:5px;letter-spacing:.05em}
.tag-55{background:var(--brand);color:#fff}
.tag-75{background:var(--brand-wash);color:var(--brand-ink);border:1px solid var(--brand)}

.calc{display:grid;grid-template-columns:.9fr 1.1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-lift)}
@media (max-width:820px){.calc{grid-template-columns:1fr}}
.calc-in{padding:clamp(24px,3vw,34px);display:flex;flex-direction:column;gap:18px}
.calc-in label{font-size:14px;font-weight:600;display:block}
.calc-in .hint{font-size:13px;color:var(--ink-2);line-height:1.6}
.area-val{font-family:var(--f-mono);font-size:38px;font-weight:600;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1;margin:10px 0 14px}
.area-val span:last-child{font-family:var(--f-body);font-size:15px;color:var(--ink-2);font-weight:500;margin-inline-start:6px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:5px;border-radius:99px;background:var(--line-strong);outline-offset:6px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--brand);border:3px solid var(--surface);cursor:pointer;box-shadow:0 2px 8px -2px var(--brand)}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--brand);border:3px solid var(--surface);cursor:pointer}
.calc-out{background:var(--surface-2);border-inline-start:1px solid var(--line);padding:clamp(24px,3vw,34px);display:flex;flex-direction:column}
@media (max-width:820px){.calc-out{border-inline-start:0;border-top:1px solid var(--line)}}
.out-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:15px 0;border-bottom:1px solid var(--line)}
.out-row:last-of-type{border-bottom:0}
.out-row .k{font-size:14.5px;color:var(--ink-2)}
.out-row .k small{display:block;font-family:var(--f-mono);font-size:11px;color:var(--ink-3);letter-spacing:.07em}
.out-row .v{font-family:var(--f-mono);font-size:26px;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.out-row .v u{text-decoration:none;font-family:var(--f-body);font-size:14px;color:var(--ink-2);font-weight:500;margin-inline-start:5px}
#o-kwh .v{color:var(--ink)}
#o-baht .v{color:var(--brand)}
#o-co2 .v{color:var(--good)}
.calc-foot{font-size:12px;color:var(--ink-3);line-height:1.6;margin-top:16px}

.vs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (max-width:820px){.vs{grid-template-columns:1fr}}
.vs-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,2.6vw,28px);box-shadow:var(--shadow)}
.vs-card.rec{border-color:var(--brand);box-shadow:var(--shadow-lift)}
.vs-card h3{font-size:19px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rec-flag{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;background:var(--brand);color:#fff;padding:3px 9px;border-radius:999px}
.vs-list{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}
.vs-list li{display:grid;grid-template-columns:98px 1fr;gap:12px;font-size:14px;line-height:1.6;align-items:start}
.vs-list b{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:500;padding-top:3px}
@media (max-width:420px){.vs-list li{grid-template-columns:1fr;gap:2px}}

/* ═══════════ process ═══════════ */
.steps{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.step{display:grid;grid-template-columns:56px 1fr 130px;gap:18px;padding:20px 22px;border-bottom:1px solid var(--line);align-items:baseline}
.step:last-child{border-bottom:0}
.step .n{font-family:var(--f-mono);font-size:14px;font-weight:600;color:var(--acc,var(--brand));letter-spacing:.05em}
.step h4{font-size:16px}
.step p{font-size:14px;color:var(--ink-2);margin-top:4px}
.step .t{font-family:var(--f-mono);font-size:12.5px;color:var(--ink-3);text-align:right;white-space:nowrap}
@media (max-width:640px){.step{grid-template-columns:44px 1fr;gap:12px}.step .t{grid-column:2;text-align:start;margin-top:6px}}
.offers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:820px){.offers{grid-template-columns:1fr}}
.offer{background:var(--acc-wash,var(--brand-wash));border:1px solid var(--acc,var(--brand));border-radius:var(--r);padding:22px}
.offer h4{font-size:16px;color:var(--acc-ink,var(--brand-ink))}
.offer p{font-size:14px;color:var(--ink-2);margin-top:6px}

/* ═══════════ CTA / FOOTER ═══════════ */
.cta{background:var(--surface-dark);color:var(--on-dark);padding:clamp(56px,6.5vw,88px) 0;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(90% 120% at 50% 125%, color-mix(in srgb,var(--acc,var(--brand-lift)) 30%,transparent), transparent 62%)}
.cta-in{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center;gap:18px}
.cta .eyebrow{justify-content:center;color:var(--acc,var(--brand-lift))}
.cta h2{font-size:clamp(27px,4.2vw,43px);letter-spacing:-.02em;max-width:22ch}
.cta p{color:var(--on-dark-2);max-width:54ch}
.contact-row{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.contact-line{display:flex;gap:26px;flex-wrap:wrap;justify-content:center;margin-top:24px;font-family:var(--f-mono);font-size:14px;color:var(--on-dark-2)}
.contact-line a{text-decoration:none;transition:color .2s}
.contact-line a:hover{color:var(--brand-lift)}

.foot{background:var(--surface-dark-2);color:var(--on-dark-2);padding:44px 0;font-size:13.5px}
.foot-in{display:grid;grid-template-columns:1.05fr 2fr;gap:34px;align-items:start}
@media (max-width:820px){.foot-in{grid-template-columns:1fr}}
.foot .brand-txt b{color:var(--on-dark)}
.foot .brand-txt s{color:var(--on-dark-2)}
.foot-tag{margin-top:14px;line-height:1.7;max-width:34ch}
.sol{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:10px;overflow:hidden}
@media (max-width:760px){.sol{grid-template-columns:repeat(2,minmax(0,1fr))}}
.sol a{background:var(--surface-dark-2);padding:14px;text-decoration:none;display:block;transition:background .2s}
.sol a:hover{background:var(--surface-dark)}
.sol .t{font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.07em;color:var(--acc)}
.sol .d{font-size:11.5px;margin-top:4px;line-height:1.5;color:var(--on-dark-2)}
.foot-legal{margin-top:34px;padding-top:22px;border-top:1px solid var(--line-dark);font-size:12px;line-height:1.7;opacity:.8}

/* ═══════════ contact page ═══════════ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr}}
.ct-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,3vw,32px);box-shadow:var(--shadow)}
.ct-list{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:2px}
.ct-list li{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.ct-list li:last-child{border-bottom:0}
.ct-list .lbl{font-family:var(--f-mono);font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);width:80px;flex:none}
.ct-list a,.ct-list span.val{font-family:var(--f-mono);font-size:16px;font-weight:500;text-decoration:none;color:var(--ink)}
.ct-list a:hover{color:var(--brand)}
.prep{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:13px}
.prep li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2);align-items:flex-start}
.prep svg{width:17px;height:17px;color:var(--brand);flex:none;margin-top:4px}

/* ═══════════ motion ═══════════ */
.rise{opacity:0;transform:translateY(16px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
.rise.in{opacity:1;transform:none}
.page{animation:pgin .42s cubic-bezier(.22,1,.36,1) both}
@keyframes pgin{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none !important;transition-duration:.01ms !important}
  .rise{opacity:1;transform:none}
}