/* ============================================================
   theme.css — Sistema visual compartido · Válvulas Clack WS
   Tokens heredados de guia-identificacion.html
   ============================================================ */

:root{
  --paper:#EEF1EE; --ink:#0F161D; --ink-soft:#42505C;
  --blue:#0A5FA6; --blue-deep:#063f6f; --amber:#DE9421; --amber-deep:#a86c10;
  --steel:#5A6A79; --line:#CCD4D9; --line-strong:#9EAAB2;
  --card:#FFFFFF; --diagram:#F1F5F8; --diagram-line:#3D5567; --diagram-accent:#0A5FA6;
  --navy:#0B1F33; --navy-2:#12314F;
  --wa:#25D366; --wa-deep:#128C7E;
  --ok:#1f7a4d; --obs:#a33; --chip:#E8EDEF;
  /* azul claro para acentos sobre navy (brandbar, placa del logo) */
  --accent-navy:#5AB0EE;
  --shadow:0 1px 2px rgba(15,22,29,.06),0 8px 24px rgba(15,22,29,.06);
  --maxw:1180px;
}
html[data-theme="dark"]{
  --paper:#0C1116; --ink:#E7ECEF; --ink-soft:#9DABB5;
  --blue:#4BA3E3; --blue-deep:#2b7cbd; --amber:#E8A93B; --amber-deep:#E8A93B;
  --steel:#8695A2; --line:#243039; --line-strong:#384954;
  --card:#131A21; --diagram:#0F161C; --diagram-line:#7FA7C2; --diagram-accent:#4BA3E3;
  --navy:#060F19; --navy-2:#0C2137;
  --chip:#1C252D; --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
  --accent-navy:#6FBEF5;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  background:var(--paper); color:var(--ink);
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px; line-height:1.5; -webkit-text-size-adjust:100%;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:26px 26px; background-position:-1px -1px;
}
body::before{content:"";position:fixed;inset:0;background:var(--paper);opacity:.86;z-index:-1;pointer-events:none}
.mono{font-family:ui-monospace,"SF Mono","Cascadia Code","Consolas","Roboto Mono",monospace}
button{font-family:inherit;cursor:pointer}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:99;background:var(--card);padding:10px 14px;border:1.5px solid var(--blue);border-radius:8px}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:40;background:var(--paper);border-bottom:1.5px solid var(--line-strong)}
.hd{max-width:var(--maxw);margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:baseline;gap:9px;min-width:0;color:inherit}
.logo:hover{text-decoration:none}
.logo .mark{font-weight:800;font-size:22px;letter-spacing:-.5px;color:var(--blue)}
.logo .mark b{color:var(--ink)}
.logo .sub{font-size:11px;color:var(--ink-soft);letter-spacing:.14em;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
nav.mainnav{margin-left:auto;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
nav.mainnav::-webkit-scrollbar{display:none}
nav.mainnav a{white-space:nowrap;font-size:13px;font-weight:700;color:var(--ink-soft);padding:8px 11px;border-radius:9px;border:1.5px solid transparent}
nav.mainnav a:hover{color:var(--blue);background:var(--chip);text-decoration:none}
nav.mainnav a.on{color:var(--blue);border-color:var(--line-strong);background:var(--card)}
.iconbtn{width:40px;height:40px;flex:0 0 auto;border:1.5px solid var(--line-strong);background:var(--card);border-radius:10px;color:var(--ink);display:grid;place-items:center}
.iconbtn:active{transform:translateY(1px)}
.iconbtn svg{width:20px;height:20px}
@media(max-width:900px){
  .logo .sub{display:none}
  nav.mainnav{order:3;width:100%;margin-left:0;padding-bottom:2px}
  .hd{flex-wrap:wrap;gap:10px}
}

/* ---------- layout ---------- */
main{max-width:var(--maxw);margin:0 auto;padding:0 16px 80px}
section{scroll-margin-top:110px}
.eyebrow{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);font-weight:700;margin:44px 0 14px;display:flex;align-items:center;gap:12px}
.eyebrow::after{content:"";flex:1;height:1.5px;background:var(--line-strong)}
.eyebrow .num{font-family:ui-monospace,monospace;color:var(--blue);letter-spacing:0}
h2.sh{font-size:30px;letter-spacing:-.7px;margin:0 0 8px;font-weight:800}
p.lead{color:var(--ink-soft);max-width:70ch;margin:0 0 8px}

/* ---------- hero ---------- */
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;padding:46px 0 34px}
.hero .tag{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);border:1.5px solid var(--blue);border-radius:999px;padding:5px 12px}
.hero h1{font-size:clamp(34px,5.4vw,54px);line-height:1.03;letter-spacing:-1.6px;margin:16px 0 14px;font-weight:800}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero p{color:var(--ink-soft);font-size:17px;max-width:56ch;margin:0}
.herofig{background:var(--diagram);border:1.5px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow)}
.herofig svg{width:100%;height:auto;display:block}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-strong);border:1.5px solid var(--line-strong);border-radius:12px;overflow:hidden;margin:8px 0 6px}
.stats div{background:var(--card);padding:13px 14px}
.stats .k{font-size:22px;font-weight:800;letter-spacing:-.6px;color:var(--blue)}
.stats .k small{font-size:12px;color:var(--ink-soft);font-weight:700}
.stats .v{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);font-weight:700;margin-top:2px}
@media(max-width:860px){
  .hero{grid-template-columns:1fr;gap:24px;padding:30px 0 24px}
  .stats{grid-template-columns:repeat(2,1fr)}
}

/* ---------- consola de la guía (apartado 1) ---------- */
.console{background:var(--card);border:1.5px solid var(--line-strong);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.console-hd{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1.5px solid var(--line);background:linear-gradient(180deg,var(--chip),transparent)}
.console-hd .dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px color-mix(in srgb,var(--ok) 22%,transparent)}
.console-hd b{font-size:15px}
.console-hd .st{margin-left:auto;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);font-weight:700}
.console-body{padding:18px}
.gsearch{display:flex;gap:9px}
.gsearch .wrap{flex:1;position:relative;display:flex;align-items:center}
.gsearch svg.si{position:absolute;left:13px;width:19px;height:19px;color:var(--ink-soft);pointer-events:none}
.gsearch input{width:100%;padding:14px 14px 14px 40px;border:1.5px solid var(--line-strong);border-radius:11px;background:var(--paper);color:var(--ink);font-size:16px}
.gsearch input:focus{outline:none;border-color:var(--blue)}
.gsearch button{flex:0 0 auto;padding:0 20px;border-radius:11px;border:1.5px solid var(--blue-deep);background:var(--blue);color:#fff;font-weight:800;font-size:14px}
html[data-theme="dark"] .gsearch button{color:#04121e}
.examples{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px;align-items:center}
.examples span.lb{font-size:11.5px;color:var(--steel);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.examples a{font-family:ui-monospace,monospace;font-size:12.5px;font-weight:700;padding:4px 9px;border-radius:999px;border:1.5px solid var(--line-strong);background:var(--paper);color:var(--ink)}
.examples a:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}
.methods{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.method{display:flex;align-items:center;gap:13px;padding:15px;border-radius:13px;border:1.5px solid var(--line-strong);background:var(--paper);color:inherit;text-align:left}
.method:hover{border-color:var(--blue);background:var(--chip);text-decoration:none}
.method .ic{width:44px;height:44px;flex:0 0 auto;border-radius:11px;display:grid;place-items:center;background:var(--card);border:1.5px solid var(--line)}
.method .ic svg{width:22px;height:22px;color:var(--blue)}
.method.amber .ic svg{color:var(--blue-deep)}
html[data-theme="dark"] .method.amber .ic svg{color:var(--blue)}
.method b{display:block;font-size:15px;font-weight:800}
.method span{font-size:12.5px;color:var(--ink-soft);line-height:1.35}
.console-ft{display:flex;flex-wrap:wrap;gap:8px;padding:14px 18px;border-top:1.5px solid var(--line);background:var(--paper)}
.console-ft a{font-size:12.5px;font-weight:700;padding:7px 12px;border-radius:999px;border:1.5px solid var(--line-strong);background:var(--card);color:var(--ink-soft)}
.console-ft a:hover{color:var(--blue);border-color:var(--blue);text-decoration:none}
@media(max-width:760px){.methods{grid-template-columns:1fr}.gsearch button{padding:0 15px}}

/* ---------- catálogo de válvulas ---------- */
.famhead{display:flex;align-items:baseline;gap:12px;margin:26px 0 12px}
.famhead h3{font-size:15px;font-weight:800;letter-spacing:.02em;margin:0}
.famhead .dia{font-family:ui-monospace,monospace;font-size:12px;color:var(--blue);font-weight:700;border:1.5px solid var(--line-strong);border-radius:7px;padding:2px 8px;background:var(--card)}
.famhead .rule{flex:1;height:1px;background:var(--line)}
.vgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(252px,1fr));gap:14px}
.vcard{background:var(--card);border:1.5px solid var(--line);border-radius:14px;overflow:hidden;color:inherit;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:border-color .18s,transform .18s}
.vcard:hover{border-color:var(--blue);transform:translateY(-2px);text-decoration:none}
.vcard .dia{background:var(--diagram);border-bottom:1.5px solid var(--line);aspect-ratio:16/9;position:relative}
.vcard .dia svg{width:100%;height:100%;display:block}
.vcard .badge{position:absolute;right:8px;top:8px;font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;background:var(--card);border:1.5px solid var(--line-strong);border-radius:999px;padding:3px 8px;color:var(--ink-soft)}
.vcard .body{padding:13px 14px 15px;display:flex;flex-direction:column;flex:1}
.vname{font-size:22px;font-weight:800;letter-spacing:-.5px}
.vfam{font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--steel);font-weight:700;margin-top:3px}
.vstat{display:flex;gap:16px;margin-top:12px}
.vstat .k{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);font-weight:700}
.vstat .v{font-size:17px;font-weight:800;color:var(--blue)}
.vstat .v small{font-size:11px;color:var(--ink-soft);font-weight:600}
.bar{margin-top:12px}
.bar .track{height:7px;border-radius:4px;background:var(--chip);border:1px solid var(--line);overflow:hidden}
.bar .fill{display:block;height:100%;background:var(--blue);border-radius:3px}
.bar .cap{font-size:10px;color:var(--steel);font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-top:5px;display:flex;justify-content:space-between}
.ctrls{margin-top:12px;padding-top:11px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:5px}
.ctrls span{font-family:ui-monospace,monospace;font-size:10.5px;font-weight:700;background:var(--chip);border:1px solid var(--line);border-radius:6px;padding:2px 6px;color:var(--ink-soft)}

/* ---------- controladores ---------- */
.ctable{width:100%;border-collapse:collapse;font-size:14px;background:var(--card);border:1.5px solid var(--line);border-radius:12px;overflow:hidden}
.ctable th,.ctable td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:top}
.ctable thead th{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);background:var(--chip)}
.ctable tbody tr:last-child td{border-bottom:none}
.ctable td.c{font-weight:800;font-family:ui-monospace,monospace;color:var(--blue);white-space:nowrap}
.ctable td.f{color:var(--ink-soft);font-size:13px}
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tscroll .ctable{min-width:640px}

/* ---------- refacciones ---------- */
.cats{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- tarjetas genéricas (herramientas, manuales) ---------- */
.grid3{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:14px}
.card{background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:20px;color:inherit;display:block;box-shadow:var(--shadow);transition:border-color .18s,transform .18s}
.card:hover{border-color:var(--blue);transform:translateY(-2px);text-decoration:none}
.card .ic{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:var(--chip);border:1.5px solid var(--line);margin-bottom:12px}
.card .ic svg{width:20px;height:20px;color:var(--blue)}
.card h3{margin:0 0 6px;font-size:17px;font-weight:800;letter-spacing:-.2px}
.card p{margin:0;color:var(--ink-soft);font-size:13.5px;line-height:1.45}
.card .soon{display:inline-block;margin-top:10px;font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);border:1.5px solid var(--blue);border-radius:999px;padding:2px 8px}

/* ---------- nota / aviso ---------- */
.note{margin-top:16px;padding:13px 15px;border-left:3px solid var(--blue);background:var(--chip);border-radius:0 10px 10px 0;font-size:13.5px;color:var(--ink-soft)}
.note b{color:var(--ink)}

/* ---------- footer ---------- */
footer{margin-top:20px;border-top:1.5px solid var(--line-strong);background:var(--paper)}
.ft{max-width:var(--maxw);margin:0 auto;padding:34px 16px 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px;font-size:13.5px;color:var(--ink-soft)}
.ft h4{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);margin:0 0 10px}
.ft ul{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.ft .legal{border-top:1px solid var(--line);max-width:var(--maxw);margin:0 auto;padding:14px 16px 30px;font-size:12px;color:var(--steel)}
@media(max-width:760px){.ft{grid-template-columns:1fr;gap:18px}}

/* ---------- motion ---------- */
.rv{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  .vcard:hover,.card:hover{transform:none}
  .draw{animation:none!important;stroke-dashoffset:0!important}
}
.draw{stroke-dasharray:260;stroke-dashoffset:260;animation:draw 1.5s ease forwards}
.draw.d2{animation-delay:.18s}
.draw.d3{animation-delay:.36s}
@keyframes draw{to{stroke-dashoffset:0}}
.pulse{animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.25}50%{opacity:1}}
.flowline{stroke-dasharray:7 7;animation:flow 2.2s linear infinite}
@keyframes flow{to{stroke-dashoffset:-56}}
@media (prefers-reduced-motion:reduce){.flowline,.pulse{animation:none}}


/* ============================================================
   BLOQUE HIDROAGUA — barra de marca, apps, fotos de producto
   ============================================================ */

/* ---------- brand bar ---------- */
.brandbar{background:var(--navy);color:#fff;border-bottom:3px solid var(--accent-navy)}
.bb{max-width:var(--maxw);margin:0 auto;padding:11px 16px;display:flex;align-items:center;gap:16px}
.bb .wordmark{display:flex;align-items:baseline;gap:7px;color:#fff;font-weight:800;font-size:19px;letter-spacing:-.4px}
.bb .wordmark:hover{text-decoration:none}
.bb .wordmark i{font-style:normal;color:var(--accent-navy)}
.bb .logo-h{height:26px;width:auto;display:block;flex:none}
.bb .logo-c{height:24px;width:auto;display:block;flex:none;opacity:.96}
.bb .wm-txt{display:none;align-items:baseline;gap:2px}
@media(max-width:720px){.bb .logo-h{height:21px}.bb .logo-c{height:19px}}
.bb .sep{width:1px;height:26px;background:rgba(255,255,255,.22);flex:0 0 auto}
.bb .dist{font-size:11px;line-height:1.35;letter-spacing:.03em;color:#CFE0EE;flex:1;min-width:0}
.bb .dist b{display:block;color:#fff;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase}
.bb .seal{display:inline-flex;align-items:center;gap:5px}
.bb .seal svg{width:13px;height:13px;color:var(--accent-navy);flex:0 0 auto}
.bb .wa{flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;background:var(--wa);color:#04231a;
  font-weight:800;font-size:13px;padding:8px 13px;border-radius:9px;border:1.5px solid var(--wa-deep)}
.bb .wa:hover{text-decoration:none;filter:brightness(1.06)}
.bb .wa svg{width:16px;height:16px}
@media(max-width:720px){
  .bb{gap:10px;padding:9px 14px}
  .bb .dist{font-size:0}
  .bb .dist b{font-size:9.5px}
  .bb .seal span{display:none}
  .bb .wa span{display:none}
  .bb .wa{padding:8px 10px}
}

/* ---------- tarjetas de app ---------- */
.apps{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.app{position:relative;display:flex;flex-direction:column;background:var(--card);border:1.5px solid var(--line-strong);
  border-radius:16px;padding:20px;color:inherit;box-shadow:var(--shadow);transition:border-color .18s,transform .18s}
.app:hover{border-color:var(--blue);transform:translateY(-2px);text-decoration:none}
.app .num{font-family:ui-monospace,monospace;font-size:11px;font-weight:700;color:var(--steel);letter-spacing:.1em}
.app h3{margin:8px 0 6px;font-size:20px;font-weight:800;letter-spacing:-.4px}
.app p{margin:0;color:var(--ink-soft);font-size:13.5px;line-height:1.45;flex:1}
.app .feat{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.app .feat span{font-size:11px;font-weight:700;color:var(--ink-soft);background:var(--chip);border:1px solid var(--line);
  border-radius:999px;padding:3px 9px}
.app .go{margin-top:16px;display:inline-flex;align-items:center;gap:7px;font-weight:800;font-size:14px;color:var(--blue)}
.app .go svg{width:16px;height:16px}
.app.primary{border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 12%,transparent),var(--shadow)}
.app .st{position:absolute;top:16px;right:16px;font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  border-radius:999px;padding:3px 9px;border:1.5px solid var(--blue);color:var(--blue);background:var(--card)}

/* ---------- fotos de producto ---------- */
.vcard .ph{background:#fff;border-bottom:1.5px solid var(--line);aspect-ratio:16/11;display:block;position:relative;overflow:hidden}
html[data-theme="dark"] .vcard .ph{background:#F4F7F9}
.vcard .ph img{width:100%;height:100%;object-fit:contain;display:block;padding:10px}
.herophoto{background:#fff;border:1.5px solid var(--line-strong);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.herophoto img{width:100%;height:auto;display:block;object-fit:contain;max-height:340px}
.herophoto figcaption{margin-top:12px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);
  font-weight:700;text-align:center}
html[data-theme="dark"] .herophoto{background:#F4F7F9}
html[data-theme="dark"] .herophoto figcaption{color:#5A6A79}

/* ---------- contacto ---------- */
.contact{display:grid;grid-template-columns:1.2fr 1fr;gap:16px;background:var(--navy);color:#fff;border-radius:18px;
  padding:28px;border:1.5px solid var(--navy-2)}
.contact h2{margin:0 0 8px;font-size:26px;letter-spacing:-.6px;color:#fff}
.contact p{margin:0;color:#CFE0EE;font-size:14.5px;line-height:1.5}
.contact .acts{display:flex;flex-direction:column;gap:10px;justify-content:center}
.contact .acts a{display:flex;align-items:center;gap:10px;padding:13px 16px;border-radius:11px;font-weight:800;font-size:14.5px}
.contact .acts a.wa{background:var(--wa);color:#04231a;border:1.5px solid var(--wa-deep)}
.contact .acts a.mail{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.34)}
.contact .acts a:hover{text-decoration:none;filter:brightness(1.06)}
.contact .acts svg{width:18px;height:18px}
@media(max-width:760px){.contact{grid-template-columns:1fr;padding:22px}}

/* ---------- chips de categoría (enlazan a su lista en la guía) y CTA ---------- */
.cats .cat,.cats a{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;padding:8px 12px;
  border-radius:10px;border:1.5px solid var(--line);background:var(--card);color:var(--ink-soft);
  transition:border-color .15s,color .15s,background-color .15s}
.cats a:hover{border-color:var(--blue);color:var(--blue);background:var(--chip);text-decoration:none}
.cats .cat b,.cats a b{font-family:ui-monospace,monospace;color:var(--blue);font-weight:800;font-size:11.5px}
.app-cta{display:inline-flex;align-items:center;gap:9px;padding:13px 20px;border-radius:11px;
  background:var(--blue);border:1.5px solid var(--blue-deep);color:#fff;font-weight:800;font-size:15px}
.app-cta:hover{text-decoration:none;filter:brightness(1.06)}
.app-cta svg{width:17px;height:17px}
html[data-theme="dark"] .app-cta{color:#04121e}