:root{
  --navy:#0A3A66; --blue:#0B4F8C; --blue-2:#1666AE; --sky:#E6EFF8;
  --ink:#15212D; --steel:#526170; --line:#D5DEE7; --paper:#F5F8FB;
  --orange:#F28C28; --green:#1E8E36; --green-d:#177029;
  --display:"Archivo","IBM Plex Sans",system-ui,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;font:17px/1.6 var(--body);color:var(--ink);background:#fff;padding-bottom:58px}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
h1,h2,h3{font-family:var(--display);font-stretch:112%;line-height:1.1;margin:0 0 .5em;letter-spacing:-.01em}
h2{font-size:clamp(28px,4vw,40px);font-weight:750}
h3{font-size:20px;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:1160px;margin:0 auto;padding:0 16px}
.narrow{max-width:820px}
.muted{color:var(--steel)}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:0 22px;border-radius:6px;font:600 16px/1 var(--body);text-decoration:none;border:2px solid transparent;cursor:pointer;white-space:nowrap}
.btn svg{width:20px;height:20px;fill:currentColor}
.btn-sm{min-height:40px;padding:0 16px;font-size:15px}
.btn-white{background:#fff;color:var(--blue)}.btn-white:hover{background:var(--sky)}
.btn-blue{background:var(--blue);color:#fff}.btn-blue:hover{background:var(--navy)}
.btn-green{background:var(--green);color:#fff}.btn-green:hover{background:var(--green-d)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line)}.btn-line:hover{border-color:var(--ink)}

/* header */
.top{position:sticky;top:0;z-index:20;background:var(--blue);color:#fff;border-bottom:1px solid rgba(255,255,255,.12)}
.bar{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;margin-right:auto}
.brand img{background:#fff;border-radius:8px;padding:3px}
.brand b{display:block;font:700 18px/1.1 var(--display);font-stretch:110%}
.brand small{display:block;color:#C9DBEE;font-size:12.5px}
.links{display:none;gap:2px}
.links a{color:#fff;text-decoration:none;font-weight:500;padding:8px 12px;border-radius:6px}
.links a:hover,.links a:focus-visible{background:#fff;color:var(--blue)}

/* hero */
.hero{background:linear-gradient(180deg,var(--blue) 0,var(--navy) 100%);color:#fff;padding:36px 0 0;overflow:hidden}
.hero-grid{display:grid;gap:28px;align-items:center}
.kitec-badge{width:52px;background:#fff;border-radius:8px;padding:5px;margin-bottom:18px}
.hero h1{font-size:clamp(34px,5.4vw,60px);font-weight:800;font-stretch:115%;line-height:1.02;letter-spacing:-.02em;max-width:17ch}
.lead{font-size:19px;color:#D6E4F2;max-width:52ch}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 8px}
.where{color:#C9DBEE;font-size:15px;margin:14px 0 0}
.where a{color:#fff;font-weight:600;text-underline-offset:3px}
.hero-logo{background:#fff;border-radius:14px;padding:32px 24px 20px;text-align:center;max-width:380px;justify-self:center;box-shadow:0 24px 60px rgba(0,20,45,.35);margin-bottom:40px}
.hero-logo img{width:130px;margin:0 auto 10px}
@media (min-width:980px){.hero-logo img{width:190px}}
.hero-logo p{margin:0;color:var(--blue);font-weight:600;font-size:15px}
.hero{padding-bottom:16px}
.hero-photo{margin:0;position:relative}
.hero-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px 10px 0 0;box-shadow:0 24px 60px rgba(0,20,45,.45)}
.hero-photo figcaption{font-size:13px;color:#BFD3E8;padding:8px 2px}
.proof{display:grid;grid-template-columns:1fr 1fr;margin:28px 0 0;border-top:1px solid rgba(255,255,255,.18)}
.proof div{padding:20px 16px 24px 0}
.proof dt{font:800 clamp(30px,4vw,42px)/1 var(--display);font-stretch:118%;color:#fff}
.proof dd{margin:8px 0 0;color:#C9DBEE;font-size:15px;max-width:26ch}

.stockbar{background:#FFF4E8;border-bottom:1px solid #F6D7B5}
.stock-in{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px}
.stock-in p{margin:0}
.stock-in b{color:#9A4A00}
.stock-in a{font-weight:700;color:#9A4A00;text-decoration-thickness:2px;text-underline-offset:4px}

/* sections */
.sec{padding:64px 0}
.tint{background:var(--paper)}
.head{max-width:760px;margin-bottom:32px}
.head p{color:var(--steel);font-size:18px}

/* grades */
.grades{display:grid;gap:16px}
.grade{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px}
.grade h3{margin-bottom:2px}
.std{font-size:14px;color:var(--steel);margin-bottom:14px}
.grade table{width:100%;border-collapse:collapse;font-size:15px;margin-bottom:14px}
.grade th{text-align:left;font-weight:500;color:var(--steel);width:38%;padding:7px 8px 7px 0;vertical-align:top;border-top:1px solid var(--line)}
.grade td{padding:7px 0;border-top:1px solid var(--line);font-weight:600}
.best{font-size:15px;margin:0;color:var(--ink)}
.swatch{position:relative;width:54px;height:54px;margin-bottom:14px}
.ring{position:absolute;border-radius:50%}
.ring.o{inset:0;background:#1d1f22}
.ring.o.pex{background:#3a3d42}
.ring.a{inset:7px;background:linear-gradient(135deg,#d9dde1,#9aa3ab)}
.ring.i{inset:11px}
.ring.i.nat{background:#ece6d6}
.ring.i.org{background:#f08a24;box-shadow:inset 0 0 0 2px #d62828}
.ring.i.pexi{background:#f3efe4}
.ring.i::after{content:"";position:absolute;inset:7px;border-radius:50%;background:#fff}

.fittings{display:grid;gap:24px;align-items:center;margin-top:40px;padding:24px;border:1px solid var(--line);border-radius:10px}
.fittings figure{margin:0;max-width:240px}
.note{color:var(--steel);font-size:15px;margin:0}

/* selector */
.selector{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.sel-tabs{display:flex;flex-wrap:wrap;gap:0;border-bottom:1px solid var(--line);background:var(--sky)}
.sel-tabs button{flex:1 1 140px;font:600 15px var(--body);padding:15px 12px;border:0;background:none;color:var(--navy);cursor:pointer;border-bottom:3px solid transparent}
.sel-tabs button[aria-selected="true"]{background:#fff;border-bottom-color:var(--blue)}
.sel-out{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;padding:24px}
.sel-out span{display:block;font-size:13px;color:var(--steel);margin-bottom:4px}
.sel-out b{font:700 20px/1.25 var(--display);font-stretch:108%}
.sel-out p{grid-column:1/-1;margin:0;padding-top:16px;border-top:1px solid var(--line);color:var(--steel)}

/* why */
.why{display:grid;gap:0 40px}
.why div{padding:20px 0;border-top:2px solid var(--ink)}
.why h3{font-size:19px}
.why p{color:var(--steel);margin:0}

/* trade */
.trade{display:grid;gap:16px}
.trade article{background:#fff;border-left:5px solid var(--blue);border-radius:0 10px 10px 0;padding:20px 22px}
.trade ul{margin:0;padding-left:18px;color:var(--steel)}
.trade li{margin:4px 0}

/* about */
.about{display:grid;gap:36px}
.small-h{font-size:17px;margin-top:24px}
.approvals{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.approvals li{border:1px solid var(--line);border-radius:4px;padding:5px 10px;font-size:14px;background:#fff}
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-content:start}
.gallery figure{margin:0}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px}
.gallery .g1{grid-column:1/-1}
.gallery .g1 img{aspect-ratio:16/9}
.gallery figcaption{font-size:13px;color:var(--steel);padding:5px 1px 0}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{font:700 18px/1.3 var(--display);font-stretch:106%;cursor:pointer}
.faq p{margin:10px 0 0;color:var(--steel)}

/* visit */
.visit{display:grid;gap:24px;align-items:stretch}
.map{min-height:320px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.map iframe{width:100%;height:100%;min-height:320px;border:0;display:block}
.visit-card{background:var(--blue);color:#fff;border-radius:10px;padding:28px}
.visit-card .addr{font-size:19px}
.visit-card .hours{font-weight:600}
.visit-card .muted{color:#C9DBEE}
.visit-card .row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.visit-card .btn-blue{background:#fff;color:var(--blue)}
.visit-card .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.contacts{list-style:none;padding:0;margin:0}
.contacts li{padding:9px 0;border-top:1px solid rgba(255,255,255,.18)}
.contacts span{display:inline-block;width:70px;color:#C9DBEE;font-size:14px}
.contacts a{color:#fff;font-weight:600;text-decoration:none}

/* form */
.form{display:grid;gap:14px;margin-top:16px}
.form label{display:grid;gap:6px;font-weight:600;font-size:15px}
.form input,.form select,.form textarea{font:inherit;font-weight:400;padding:12px;border:1px solid #BFCAD5;border-radius:6px;background:#fff;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--blue);outline-offset:1px}
.form .row{display:flex;flex-wrap:wrap;gap:10px}
.err{color:#B42318;margin:0;min-height:1em;font-size:14px}

.foot{background:var(--navy);color:#C9DBEE;padding:36px 0 40px}
.foot-in{display:grid;gap:20px}
.foot-logo{background:#fff;border-radius:8px;padding:8px 12px;margin-bottom:12px}
.foot p{margin:0 0 6px}.small{font-size:13px}

.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border-top:1px solid var(--line)}
.dock a{padding:15px 0;text-align:center;font-weight:700;text-decoration:none;color:var(--blue)}
.dock a:nth-child(2){color:var(--green)}
.dock a+a{border-left:1px solid var(--line)}

@media (min-width:700px){
  .proof{grid-template-columns:repeat(4,1fr)}
  .grades{grid-template-columns:1fr 1fr}
  .fittings{grid-template-columns:220px 1fr}
  .why{grid-template-columns:1fr 1fr}
  .trade{grid-template-columns:1fr 1fr}
  .form{grid-template-columns:1fr 1fr}.form .full{grid-column:1/-1}
  .gallery{grid-template-columns:repeat(4,1fr)}
  .sel-out{grid-template-columns:repeat(4,1fr)}
}
@media (min-width:980px){
  body{padding-bottom:0}
  .dock{display:none}
  .links{display:flex}
  .hero{padding-top:56px}
  .hero-grid{grid-template-columns:1.15fr 1fr}
  .grades{grid-template-columns:repeat(4,1fr)}
  .why{grid-template-columns:repeat(3,1fr)}
  .about{grid-template-columns:1fr 1.1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .visit{grid-template-columns:1.4fr 1fr}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}


/* v5.2: split home / KiTEC guide */
.badge{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--blue);font-weight:600;font-size:14px;border-radius:999px;padding:5px 14px 5px 6px;margin:0 0 18px}
.badge img{width:24px;height:auto}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:36px}
.tiles figure{margin:0;position:relative;border-radius:10px;overflow:hidden;box-shadow:0 16px 40px rgba(0,20,45,.35)}
.tiles img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.tiles .t1{grid-column:1/-1}
.tiles .t1 img{aspect-ratio:16/9}
.tiles figcaption{position:absolute;left:8px;bottom:8px;background:rgba(10,58,102,.88);color:#fff;font-size:13px;font-weight:600;padding:4px 10px;border-radius:4px}
.supply{display:grid;gap:16px}
.sup{border:1px solid var(--line);border-radius:10px;padding:20px;background:#fff}
.sup.img{display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:center}
.sup.img img{width:110px;height:110px;object-fit:contain;background:var(--paper);border-radius:8px}
.sup p{color:var(--steel);margin:0 0 8px}
.sup a{font-weight:600}
.svc{display:grid;gap:0 40px}
.svc div{padding:20px 0;border-top:2px solid var(--blue)}
.svc p{color:var(--steel);margin:0}
.svc a{font-weight:600}
.page-hero{background:linear-gradient(180deg,var(--blue) 0,var(--navy) 100%);color:#fff;padding:44px 0 48px}
.page-hero h1{font-size:clamp(34px,5vw,56px);font-weight:800;font-stretch:115%;line-height:1.02;letter-spacing:-.02em}
.page-hero .lead{max-width:60ch}
@media (min-width:700px){
  .supply{grid-template-columns:1fr 1fr}
  .svc{grid-template-columns:1fr 1fr}
}
@media (min-width:980px){
  .svc{grid-template-columns:repeat(4,1fr)}
}