/* ============================================================
   STEEL WATER TANKS — Water Storage Solutions
   Industrial / engineered B2B design system
   ============================================================ */

:root{
  --ink:#0B1722;
  --steel-900:#0F2030;
  --steel-800:#15293b;
  --steel-700:#22384a;
  --steel-500:#52646f;
  --steel-400:#7c8b95;
  --steel-300:#aab6bd;
  --mist:#eef2f5;
  --mist-2:#e3e9ed;
  --paper:#ffffff;
  --blue:#1c77c3;
  --blue-dark:#125e9e;
  --blue-light:#eaf3fb;
  --gear:#6e7378;
  --fire:#df5328;
  --line:#d9e0e5;
  --line-dark:rgba(255,255,255,.12);
  --ok:#2f9e5e;

  --maxw:1240px;
  --gutter:clamp(20px,5vw,56px);
  --r:4px;
  --r-lg:8px;
  --shadow:0 1px 2px rgba(11,23,34,.06),0 8px 28px rgba(11,23,34,.07);
  --shadow-lg:0 24px 60px rgba(11,23,34,.18);
  --ease:cubic-bezier(.16,.84,.34,1);

  --f-display:"Archivo",-apple-system,sans-serif;
  --f-body:"IBM Plex Sans",-apple-system,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-body);
  color:var(--steel-900);
  background:var(--paper);
  line-height:1.6;
  font-size:17px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:var(--blue);color:#fff}

/* ---------- Type ---------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:800;line-height:1.04;letter-spacing:0;color:var(--ink)}
h1{font-size:4.2rem}
h2{font-size:2.8rem}
h3{font-size:1.5rem;letter-spacing:0}
h4{font-size:1.05rem;font-weight:700}
p{color:var(--steel-700)}
strong{color:var(--ink);font-weight:600}

.eyebrow{
  font-family:var(--f-mono);
  font-size:.74rem;
  font-weight:500;
  letter-spacing:0;
  text-transform:uppercase;
  color:var(--blue);
  display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--blue);display:inline-block;flex:none}
.eyebrow svg{width:15px;height:15px;flex:none}
.eyebrow.center{justify-content:center}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
section{position:relative}
.pad{padding-block:clamp(64px,9vw,124px)}
.pad-sm{padding-block:clamp(48px,6vw,80px)}
.dark{background:var(--steel-900);color:#dfe7ed}
.dark h1,.dark h2,.dark h3,.dark h4{color:#fff}
.dark p{color:#aebdc7}
.dark .eyebrow{color:#5fb0ec}
.dark .eyebrow::before{background:#5fb0ec}
.mist{background:var(--mist)}
.lead{font-size:1.15rem;color:var(--steel-500);max-width:62ch}
.dark .lead{color:#b6c4cd}
.measure{max-width:64ch}
.grid{display:grid;gap:clamp(20px,3vw,36px)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--f-mono);font-weight:500;font-size:.84rem;
  letter-spacing:0;text-transform:uppercase;
  padding:15px 26px;border-radius:var(--r);
  border:1px solid transparent;cursor:pointer;
  transition:.3s var(--ease);white-space:nowrap;
}
.btn svg{width:15px;height:15px;transition:transform .3s var(--ease)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(28,119,195,.35)}
.btn-primary:hover svg{transform:translateX(3px)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--steel-700);transform:translateY(-2px)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.btn-lg{padding:18px 32px;font-size:.9rem}

/* ---------- Top utility bar ---------- */
.util{background:var(--ink);color:#c4d0d8;font-size:.8rem}
.util .wrap{display:flex;justify-content:space-between;align-items:center;height:42px;font-family:var(--f-mono);letter-spacing:0}
.util a{color:#c4d0d8;transition:color .2s}
.util a:hover{color:#fff}
.util-left{display:flex;gap:26px;align-items:center}
.util-left span{display:inline-flex;align-items:center;gap:7px}
.util-left svg{width:13px;height:13px;opacity:.7;flex:none}
.util-right{display:flex;gap:18px;align-items:center}
.util-right a{display:inline-flex;align-items:center;gap:7px}
.util-right svg{width:13px;height:13px;opacity:.7;flex:none}
.util .tag{color:#6f828d}
@media(max-width:860px){.util{display:none}}

/* ---------- Header ---------- */
.head{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:.3s var(--ease)}
.head.shrink{box-shadow:0 6px 24px rgba(11,23,34,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px;transition:height .3s var(--ease)}
.head.shrink .nav{height:68px}
.brand img{height:42px;width:auto;transition:height .3s var(--ease)}
.head.shrink .brand img{height:36px}
.menu{display:flex;align-items:center;gap:4px}
.menu>li>a{
  display:flex;align-items:center;gap:5px;
  padding:10px 15px;font-weight:500;font-size:.97rem;color:var(--steel-700);
  border-radius:var(--r);transition:.2s;
}
.menu>li>a:hover{color:var(--blue);background:var(--mist)}
.menu>li>a.active{color:var(--blue)}
.menu .caret{width:10px;height:10px;transition:transform .25s}
.has-drop{position:relative}
.has-drop:hover .caret{transform:rotate(180deg)}
.drop{
  position:absolute;top:calc(100% + 8px);left:0;min-width:300px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s var(--ease);
}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:flex;gap:12px;padding:12px 14px;border-radius:var(--r);transition:.2s}
.drop a:hover{background:var(--mist)}
.drop .ico{width:34px;height:34px;flex:none;border-radius:6px;background:var(--blue-light);display:grid;place-items:center}
.drop .ico svg{width:18px;height:18px;stroke:var(--blue)}
.drop b{display:block;font-family:var(--f-display);font-size:.96rem;color:var(--ink)}
.drop small{color:var(--steel-500);font-size:.8rem}
.nav-cta{display:flex;align-items:center;gap:14px}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r);background:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.burger span{width:20px;height:2px;background:var(--ink);transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:1080px){
  .menu,.nav-cta .btn{display:none}
  .burger{display:flex}
}

/* Mobile panel */
.mpanel{position:fixed;inset:0 0 0 auto;width:min(86vw,400px);background:#fff;z-index:120;transform:translateX(100%);transition:.4s var(--ease);box-shadow:var(--shadow-lg);overflow-y:auto;padding:24px}
.mpanel.open{transform:translateX(0)}
.mpanel .mp-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.mpanel .mp-head img{height:36px}
.mclose{width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r);background:#fff;font-size:1.4rem;cursor:pointer;line-height:1}
.mpanel nav a{display:block;padding:15px 4px;font-family:var(--f-display);font-weight:700;font-size:1.15rem;border-bottom:1px solid var(--line);color:var(--ink)}
.mpanel nav .sub a{font-family:var(--f-body);font-weight:500;font-size:.98rem;padding-left:18px;color:var(--steel-700)}
.mpanel .btn{width:100%;justify-content:center;margin-top:20px}
.scrim{position:fixed;inset:0;background:rgba(11,23,34,.5);z-index:110;opacity:0;visibility:hidden;transition:.3s}
.scrim.open{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--steel-900);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--steel-900) 18%,rgba(15,32,48,.72) 55%,rgba(15,32,48,.35) 100%)}
.hero .wrap{position:relative;z-index:2;padding-block:clamp(80px,12vw,150px)}
.hero-inner{max-width:760px}
.hero h1{color:#fff;margin:18px 0 22px}
.hero h1 em{font-style:normal;color:#5fb0ec}
.hero .lead{color:#cdd9e1;max-width:54ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:54px;border-top:1px solid var(--line-dark)}
.hero-stats .st{padding:22px 34px 4px 0;margin-right:34px;border-right:1px solid var(--line-dark)}
.hero-stats .st:last-child{border-right:0}
.hero-stats .num{font-family:var(--f-display);font-weight:800;font-size:2.1rem;color:#fff;line-height:1}
.hero-stats .lbl{font-family:var(--f-mono);font-size:.72rem;letter-spacing:0;text-transform:uppercase;color:#7f93a0;margin-top:8px}

/* page hero (interior) */
.phero{background:var(--steel-900);color:#fff;position:relative;overflow:hidden}
.phero-bg{position:absolute;inset:0}
.phero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34}
.phero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(95deg,var(--steel-900) 25%,rgba(15,32,48,.55))}
.phero .wrap{position:relative;z-index:2;padding-block:clamp(64px,9vw,110px)}
.phero h1{color:#fff;font-size:3.4rem;margin:16px 0 18px;max-width:18ch}
.phero .lead{color:#c9d6de}
.crumb{font-family:var(--f-mono);font-size:.76rem;letter-spacing:0;text-transform:uppercase;color:#7f93a0;margin-bottom:8px}
.crumb a:hover{color:#fff}

/* ---------- Credibility strip ---------- */
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.chip{
  font-family:var(--f-mono);font-size:.8rem;letter-spacing:0;
  padding:10px 18px;border:1px solid var(--line);border-radius:40px;
  color:var(--steel-700);background:#fff;display:inline-flex;align-items:center;gap:8px;
}
.chip svg{width:14px;height:14px;stroke:var(--blue)}
.dark .chip{border-color:var(--line-dark);background:rgba(255,255,255,.04);color:#ccd7de}

/* logos/standards row */
.stds{display:flex;flex-wrap:wrap;gap:14px 40px;align-items:center;justify-content:center}
.stds .s{font-family:var(--f-mono);font-weight:500;font-size:.92rem;color:var(--steel-500);letter-spacing:0}
.stds .s b{color:var(--ink)}

/* ---------- Section header ---------- */
.shead{max-width:640px;margin-bottom:clamp(36px,5vw,60px)}
.shead.center{margin-inline:auto;text-align:center}
.shead h2{margin:16px 0 14px}

/* ---------- Sector cards ---------- */
.sectors{grid-template-columns:repeat(4,1fr)}
.sector{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--ink);min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;
  border:1px solid var(--line);
}
.sector img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.sector::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(8,18,27,.95) 8%,rgba(8,18,27,.35) 55%,rgba(8,18,27,.15))}
.sector:hover img{transform:scale(1.07)}
.sector .body{position:relative;z-index:2;padding:26px}
.sector .n{font-family:var(--f-mono);font-size:.74rem;letter-spacing:0;color:#5fb0ec;display:block;margin-bottom:10px}
.sector h3{color:#fff;margin-bottom:10px}
.sector p{color:#bcccd6;font-size:.92rem;margin-bottom:16px}
.sector .go{font-family:var(--f-mono);font-size:.78rem;letter-spacing:0;text-transform:uppercase;color:#fff;display:inline-flex;gap:8px;align-items:center;opacity:.85;transition:.3s}
.sector:hover .go{gap:14px;opacity:1;color:#5fb0ec}
@media(max-width:1080px){.sectors{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.sectors{grid-template-columns:1fr}.sector{min-height:340px}}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(30px,5vw,68px);align-items:center}
.split.rev .split-media{order:2}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.split-media img{width:100%;height:100%;object-fit:cover;min-height:380px}
.split-media .tagstrip{position:absolute;left:0;bottom:0;background:var(--blue);color:#fff;font-family:var(--f-mono);font-size:.74rem;letter-spacing:0;text-transform:uppercase;padding:10px 18px;border-radius:0 var(--r) 0 0}
@media(max-width:880px){.split{grid-template-columns:1fr}.split.rev .split-media{order:0}}

/* value blocks */
.vblocks{grid-template-columns:repeat(2,1fr);gap:0}
.vblock{padding:28px;border-top:1px solid var(--line)}
.vblock:nth-child(odd){border-right:1px solid var(--line)}
.vblock .vn{font-family:var(--f-mono);font-size:.78rem;color:var(--blue);letter-spacing:0}
.vblock h4{margin:10px 0 8px;font-family:var(--f-display)}
.vblock p{font-size:.95rem}
.dark .vblock{border-color:var(--line-dark)}
@media(max-width:620px){.vblocks{grid-template-columns:1fr}.vblock:nth-child(odd){border-right:0}}

/* ---------- Process ---------- */
.steps{grid-template-columns:repeat(4,1fr);counter-reset:s}
.step{position:relative;padding-top:30px;border-top:2px solid var(--steel-800)}
.dark .step{border-color:rgba(255,255,255,.18)}
.step::before{counter-increment:s;content:"0" counter(s);position:absolute;top:-2px;left:0;width:42px;height:4px;background:var(--blue)}
.step .sn{font-family:var(--f-mono);font-size:.8rem;color:var(--blue);letter-spacing:0}
.step h4{margin:12px 0 8px;font-size:1.18rem}
.step p{font-size:.93rem}
@media(max-width:880px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.steps{grid-template-columns:1fr}}

/* ---------- Stat ledger ---------- */
.ledger{grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff}
.dark .ledger{border-color:var(--line-dark);background:rgba(255,255,255,.03)}
.lcell{padding:30px 26px;border-right:1px solid var(--line)}
.dark .lcell{border-color:var(--line-dark)}
.lcell:last-child{border-right:0}
.lcell .num{font-family:var(--f-display);font-weight:800;font-size:2.9rem;color:var(--ink);line-height:1}
.dark .lcell .num{color:#fff}
.lcell .num span{color:var(--blue);font-size:.6em}
.lcell p{font-size:.86rem;margin-top:10px;color:var(--steel-500)}
@media(max-width:880px){.ledger{grid-template-columns:repeat(2,1fr)}.lcell:nth-child(2){border-right:0}.lcell:nth-child(1),.lcell:nth-child(2){border-bottom:1px solid var(--line)}}
@media(max-width:460px){.ledger{grid-template-columns:1fr}.lcell{border-right:0;border-bottom:1px solid var(--line)}.lcell:last-child{border-bottom:0}}

/* ---------- Cases ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.filt{font-family:var(--f-mono);font-size:.78rem;letter-spacing:0;text-transform:uppercase;padding:9px 16px;border:1px solid var(--line);border-radius:40px;background:#fff;cursor:pointer;transition:.25s;color:var(--steel-600)}
.filt:hover{border-color:var(--blue);color:var(--blue)}
.filt.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.cases{grid-template-columns:repeat(3,1fr)}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;transition:.35s var(--ease)}
.case:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.case-img{position:relative;aspect-ratio:4/3;overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.case:hover .case-img img{transform:scale(1.06)}
.case-img .sect{position:absolute;top:12px;left:12px;font-family:var(--f-mono);font-size:.68rem;letter-spacing:0;text-transform:uppercase;background:rgba(11,23,34,.82);color:#fff;padding:6px 11px;border-radius:30px}
.case-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.case-body .loc{font-family:var(--f-mono);font-size:.74rem;color:var(--steel-400);letter-spacing:0;text-transform:uppercase}
.case-body h3{font-size:1.22rem;margin:8px 0 10px}
.case-body p{font-size:.92rem;flex:1}
.case-meta{display:flex;gap:18px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.case-meta div .k{font-family:var(--f-mono);font-size:.66rem;letter-spacing:0;text-transform:uppercase;color:var(--steel-400)}
.case-meta div .v{font-family:var(--f-display);font-weight:700;color:var(--ink);font-size:1.05rem}
@media(max-width:980px){.cases{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.cases{grid-template-columns:1fr}}

/* ---------- Comparison table ---------- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg)}
table.cmp{width:100%;border-collapse:collapse;font-size:.9rem;min-width:680px}
table.cmp th,table.cmp td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.cmp thead th{font-family:var(--f-mono);font-size:.72rem;letter-spacing:0;text-transform:uppercase;color:var(--steel-500);background:var(--mist)}
table.cmp tbody th{font-weight:600;color:var(--ink)}
table.cmp .hl{background:var(--blue-light)}
table.cmp .hl th,table.cmp .hl td{color:var(--blue-dark)}
table.cmp tr:last-child td,table.cmp tr:last-child th{border-bottom:0}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin-inline:auto}
.qa{border-bottom:1px solid var(--line)}
.qa button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 4px;background:none;border:0;cursor:pointer;text-align:left;font-family:var(--f-display);font-weight:700;font-size:1.12rem;color:var(--ink)}
.qa .pm{flex:none;width:26px;height:26px;border:1px solid var(--line);border-radius:50%;position:relative;transition:.3s}
.qa .pm::before,.qa .pm::after{content:"";position:absolute;background:var(--blue);inset:50% 6px auto 6px;height:2px;transform:translateY(-50%)}
.qa .pm::after{transform:translateY(-50%) rotate(90deg);transition:.3s}
.qa.open .pm{background:var(--blue);border-color:var(--blue)}
.qa.open .pm::before,.qa.open .pm::after{background:#fff}
.qa.open .pm::after{transform:translateY(-50%) rotate(0)}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.qa .ans p{padding:0 4px 24px;color:var(--steel-600)}

/* ---------- Quote / CTA ---------- */
.cta-band{background:linear-gradient(110deg,var(--blue-dark),var(--blue));color:#fff;border-radius:var(--r-lg);padding:clamp(36px,5vw,64px);display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:300px;height:300px;border:1px solid rgba(255,255,255,.18);border-radius:50%}
.cta-band h2{color:#fff;max-width:18ch}
.cta-band .btn-light{background:#fff;color:var(--blue-dark)}
.cta-band .btn-light:hover{background:var(--ink);color:#fff}
.cta-band>div{position:relative;z-index:2}

/* form */
.quote-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-family:var(--f-mono);font-size:.74rem;letter-spacing:0;text-transform:uppercase;color:var(--steel-500)}
.field input,.field select,.field textarea{
  font-family:var(--f-body);font-size:.98rem;padding:13px 15px;
  border:1px solid var(--line);border-radius:var(--r);background:#fff;color:var(--ink);transition:.2s;width:100%;
}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-light)}
.form-note{font-size:.82rem;color:var(--steel-500);margin-top:6px}
.form-ok{display:none;background:#eef9f1;border:1px solid #bfe6cb;color:#1d7a44;padding:16px 18px;border-radius:var(--r);font-size:.95rem;margin-top:6px}
@media(max-width:560px){.quote-grid{grid-template-columns:1fr}}

/* contact cards */
.cgrid{grid-template-columns:repeat(3,1fr)}
.ccard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px}
.ccard .ico{width:46px;height:46px;border-radius:8px;background:var(--blue-light);display:grid;place-items:center;margin-bottom:16px}
.ccard .ico svg{width:22px;height:22px;stroke:var(--blue)}
.ccard h4{font-family:var(--f-display);margin-bottom:6px}
.ccard a,.ccard p{color:var(--steel-600);font-size:.96rem}
.ccard a:hover{color:var(--blue)}
@media(max-width:820px){.cgrid{grid-template-columns:1fr}}

/* ---------- gallery ---------- */
.gallery{grid-template-columns:repeat(3,1fr);gap:14px}
.gallery .g{border-radius:var(--r);overflow:hidden;aspect-ratio:4/3}
.gallery .g img{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.gallery .g:hover img{transform:scale(1.07)}
.gallery .tall{grid-row:span 2;aspect-ratio:auto}
@media(max-width:700px){.gallery{grid-template-columns:repeat(2,1fr)}}

/* bullet list */
.checks{display:grid;gap:14px;margin-top:6px}
.checks li{display:flex;gap:13px;align-items:flex-start;color:var(--steel-700)}
.checks svg{flex:none;width:21px;height:21px;margin-top:2px;stroke:var(--blue)}
.dark .checks li{color:#bccad3}

/* ---------- Footer ---------- */
.foot{background:var(--ink);color:#9fb0bb;font-size:.92rem;padding-top:clamp(56px,7vw,84px)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px;border-bottom:1px solid var(--line-dark)}
.foot img.flogo{height:38px;margin-bottom:18px}
.foot p{color:#8497a3;font-size:.92rem;max-width:34ch}
.foot h5{font-family:var(--f-mono);font-size:.76rem;letter-spacing:0;text-transform:uppercase;color:#fff;margin-bottom:18px}
.foot ul li{margin-bottom:11px}
.foot a:hover{color:#5fb0ec}
.foot .fcontact li{display:flex;gap:10px;margin-bottom:14px;align-items:flex-start}
.foot .fcontact svg{width:16px;height:16px;flex:none;margin-top:3px;stroke:#5fb0ec}
.foot-bot{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:24px 0 30px;font-size:.82rem;color:#6f828d;font-family:var(--f-mono);letter-spacing:0}
.foot-bot a{color:#6f828d}
.foot-bot a:hover{color:#fff}
@media(max-width:880px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}

/* ---------- Mobile sticky action bar ---------- */
.mbar{position:fixed;bottom:0;left:0;right:0;z-index:80;display:none;background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 18px rgba(11,23,34,.1)}
.mbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 4px;font-family:var(--f-mono);font-size:.66rem;letter-spacing:0;text-transform:uppercase;color:var(--steel-600)}
.mbar a svg{width:19px;height:19px;stroke:var(--blue)}
.mbar a.q{background:var(--blue);color:#fff}
.mbar a.q svg{stroke:#fff}
.mbar a+a{border-left:1px solid var(--line)}
@media(max-width:860px){.mbar{display:flex}body{padding-bottom:60px}}

/* WhatsApp float (desktop) */
.wafloat{position:fixed;right:22px;bottom:22px;z-index:80;width:56px;height:56px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 26px rgba(37,211,102,.45);transition:.3s}
.wafloat:hover{transform:scale(1.08)}
.wafloat svg{width:28px;height:28px;fill:#fff}
@media(max-width:860px){.wafloat{display:none}}

/* ---------- Reveal animation ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* misc */
.intro-2col{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(30px,5vw,70px);align-items:start}
@media(max-width:820px){.intro-2col{grid-template-columns:1fr}}
.note{font-family:var(--f-mono);font-size:.78rem;color:var(--steel-400);letter-spacing:0}
.divider-cut{clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - 40px))}

/* ========== SIZING PAGE ========== */
.siz-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:46px}
.siz-stat{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 26px 24px;box-shadow:var(--shadow)}
.siz-stat .n{font-family:var(--f-display);font-weight:800;font-size:40px;color:var(--ink);line-height:1;letter-spacing:0}
.siz-stat .n small{font-size:.5em;font-weight:600;color:var(--blue);margin-left:4px}
.siz-stat .k{font-family:var(--f-mono);font-size:11px;letter-spacing:0;text-transform:uppercase;color:var(--steel-500);margin-top:12px}
@media(max-width:720px){.siz-stats{grid-template-columns:1fr;gap:12px}}

.sizer{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);background:var(--paper)}
.sizer-controls{padding:clamp(24px,3vw,40px)}
.sizer-vis{background:linear-gradient(160deg,var(--steel-900),var(--ink));padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}
.sizer-vis svg{width:100%;max-width:340px;height:auto}
.sizer-vis .vis-cap{font-family:var(--f-mono);font-size:11px;letter-spacing:0;text-transform:uppercase;color:var(--steel-300);margin-top:18px;text-align:center}
@media(max-width:860px){.sizer{grid-template-columns:1fr}.sizer-vis{order:-1;min-height:300px}}

.ctl{margin-bottom:26px}
.ctl-label{display:flex;justify-content:space-between;align-items:baseline;font-family:var(--f-mono);font-size:11px;letter-spacing:0;text-transform:uppercase;color:var(--steel-500);margin-bottom:12px}
.ctl-label b{font-family:var(--f-body);font-weight:600;font-size:13px;letter-spacing:0;text-transform:none;color:var(--blue)}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{flex:1;min-width:42px;padding:11px 6px;border:1px solid var(--line);background:var(--paper);border-radius:var(--r);font-family:var(--f-mono);font-size:13px;font-weight:600;color:var(--steel-700);cursor:pointer;transition:.18s var(--ease)}
.seg button:hover{border-color:var(--blue);color:var(--blue)}
.seg button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.seg button.dim{opacity:.4;cursor:not-allowed}
.seg button.dim:hover{border-color:var(--line);color:var(--steel-700)}
.szselect{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:var(--r);font-family:var(--f-mono);font-size:14px;font-weight:500;color:var(--ink);background:var(--paper);cursor:pointer}
.szselect:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-light)}

.readout{border-top:1px solid var(--line);margin-top:6px;padding-top:24px}
.readout .big{font-family:var(--f-display);font-weight:900;font-size:64px;line-height:.95;letter-spacing:0;color:var(--ink)}
.readout .big span{font-size:.4em;font-weight:700;color:var(--blue);margin-left:6px;letter-spacing:0}
.readout .big.na{font-size:26px;color:var(--steel-500);font-weight:700}
.readout .dims{display:flex;gap:28px;margin-top:18px;flex-wrap:wrap}
.readout .dims div .v{font-family:var(--f-display);font-weight:700;font-size:19px;color:var(--ink)}
.readout .dims div .l{font-family:var(--f-mono);font-size:10px;letter-spacing:0;text-transform:uppercase;color:var(--steel-500);margin-top:3px}
.readout .note{margin-top:18px;font-size:14px;color:var(--steel-500);line-height:1.5}
.readout .btn{margin-top:22px}

/* reference table */
.siz-tablewrap{margin-top:30px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper);box-shadow:var(--shadow);overflow:hidden}
.siz-filter{display:flex;gap:14px;align-items:center;flex-wrap:wrap;padding:18px 20px;border-bottom:1px solid var(--line);background:var(--mist)}
.siz-filter label{font-family:var(--f-mono);font-size:11px;letter-spacing:0;text-transform:uppercase;color:var(--steel-500)}
.siz-filter input{flex:1;min-width:150px;max-width:260px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r);font-family:var(--f-mono);font-size:14px;color:var(--ink)}
.siz-filter input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-light)}
.siz-filter .hint{font-size:13px;color:var(--steel-500)}
.siz-scroll{overflow-x:auto;max-height:620px;overflow-y:auto}
table.siztable{border-collapse:collapse;width:100%;min-width:680px;font-variant-numeric:tabular-nums}
table.siztable th,table.siztable td{padding:11px 10px;text-align:center;font-size:13px;border-bottom:1px solid var(--line);white-space:nowrap}
table.siztable thead th{position:sticky;top:0;background:var(--steel-900);color:#fff;font-family:var(--f-mono);font-size:10.5px;letter-spacing:0;text-transform:uppercase;font-weight:600;z-index:2}
table.siztable thead th:first-child{text-align:left;padding-left:20px}
table.siztable tbody td:first-child{text-align:left;padding-left:20px;font-family:var(--f-mono);font-weight:600;color:var(--ink);background:var(--mist)}
table.siztable tbody tr:hover td{background:var(--blue-light)}
table.siztable tbody tr:hover td:first-child{background:var(--mist-2)}
table.siztable td.cap{font-family:var(--f-body);font-weight:600;color:var(--steel-800)}
table.siztable td.na{color:var(--steel-300)}
table.siztable td.hit{background:var(--blue)!important;color:#fff;font-weight:700}
.siz-foot{padding:14px 20px;font-size:13px;color:var(--steel-500);border-top:1px solid var(--line);background:var(--mist)}