/* ============================================================
   Agua Industrial | ALLIANCE — Hoja de estilos principal
   Paleta alineada al ecosistema ALLIANCE (navy + gold institucional)
   con un acento propio "agua" (teal) para diferenciar el catálogo.
   ============================================================ */

:root{
  --navy:#0B2340;
  --navy-700:#132C4D;
  --gold:#B8912A;
  --gold-light:#D9B863;
  --teal:#0E7C86;
  --teal-light:#4FA9AE;
  --white:#FFFFFF;
  --warm-50:#FAF9F7;
  --warm-100:#F3F1EC;
  --warm-200:#E4DFD3;
  --warm-600:#6D6656;
  --ink:#1B1F27;
  --danger:#8A3B2A;
  --ok:#2E6B4F;
  --radius:14px;
  --shadow-sm:0 4px 14px rgba(11,35,64,.06);
  --shadow-md:0 14px 34px rgba(11,35,64,.10);
  --max:1180px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Manrope',sans-serif;
  color:var(--navy);
  line-height:1.25;
  margin:0 0 .5em;
}
h1{font-size:clamp(1.9rem,4vw,3rem); font-weight:800;}
h2{font-size:clamp(1.5rem,3vw,2.1rem); font-weight:800;}
h3{font-size:1.2rem; font-weight:700;}
p{margin:0 0 1em; color:#3C4453;}
a{color:var(--teal); text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%; display:block; height:auto;}
ul{padding-left:1.2em;}
.container{max-width:var(--max); margin:0 auto; padding:0 24px;}
.visually-hidden{position:absolute; left:-9999px;}

/* Skip link */
.skip-link{
  position:absolute; left:-9999px; top:0; background:var(--navy); color:#fff;
  padding:10px 16px; z-index:999; border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}

/* ---------- Header ---------- */
.site-header{
  border-bottom:1px solid var(--warm-200);
  background:#fff;
  position:sticky; top:0; z-index:100;
}
.header-inner{
  max-width:var(--max); margin:0 auto; padding:14px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.brand-block{display:flex; align-items:center; gap:14px; text-decoration:none;}
.brand-block img.alliance-logo{height:38px; width:auto; object-fit:contain;}
.brand-divider{width:1px; height:32px; background:var(--warm-200);}
.brand-wordmark{display:flex; flex-direction:column; line-height:1.1;}
.brand-wordmark b{font-family:'Manrope',sans-serif; font-weight:800; font-size:1.05rem; color:var(--navy);}
.brand-wordmark span{font-size:.72rem; color:var(--teal); font-weight:600; letter-spacing:.02em;}

.alliance-logo-placeholder{
  height:38px; padding:0 12px; display:flex; align-items:center; justify-content:center;
  border:1.5px dashed var(--gold); border-radius:8px; font-family:'Manrope',sans-serif;
  font-weight:800; color:var(--navy); font-size:.95rem; background:var(--warm-50);
}

.main-nav{display:flex; align-items:center; gap:22px; flex-wrap:wrap;}
.main-nav a{
  color:var(--navy); font-weight:600; font-size:.92rem; padding:6px 2px;
  border-bottom:2px solid transparent;
}
.main-nav a:hover, .main-nav a.active{border-bottom-color:var(--gold); text-decoration:none;}
.nav-cta{
  background:var(--teal); color:#fff !important; padding:9px 18px !important;
  border-radius:999px; border-bottom:none !important; font-weight:700 !important;
}
.nav-cta:hover{background:var(--teal-light);}

.lang-switcher{display:flex; gap:6px; align-items:center; font-size:.82rem;}
.lang-switcher a{
  color:var(--warm-600); font-weight:700; padding:4px 8px; border-radius:6px;
}
.lang-switcher a.active{color:#fff; background:var(--navy);}
.lang-switcher .sep{color:var(--warm-200);}

.nav-toggle{display:none; flex-direction:column; gap:4px; background:none; border:0; cursor:pointer; padding:8px;}
.nav-toggle span{width:22px; height:2px; background:var(--navy); display:block;}

@media (max-width: 880px){
  .main-nav{
    position:fixed; inset:64px 0 0 0; background:#fff; flex-direction:column;
    align-items:flex-start; padding:24px; gap:16px; overflow-y:auto;
    transform:translateX(100%); transition:transform .25s ease; z-index:99;
  }
  .main-nav.open{transform:translateX(0);}
  .nav-toggle{display:flex;}
}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(135deg, var(--navy) 0%, #163457 55%, var(--teal) 130%);
  color:#fff; padding:72px 0 84px; position:relative; overflow:hidden;
}
.hero::after{
  content:""; position:absolute; right:-10%; bottom:-40%; width:520px; height:520px;
  border-radius:50%; background:radial-gradient(circle, rgba(255,255,255,.10), transparent 70%);
}
.hero-inner{max-width:var(--max); margin:0 auto; padding:0 24px; position:relative; z-index:2;}
.hero-eyebrow{
  display:inline-block; background:rgba(255,255,255,.12); color:#fff;
  padding:6px 14px; border-radius:999px; font-size:.78rem; font-weight:700;
  letter-spacing:.03em; margin-bottom:18px;
}
.hero h1{color:#fff; max-width:720px;}
.hero p.lead{color:#DCE6F2; max-width:620px; font-size:1.08rem;}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-top:26px;}
.hero-sectors{
  display:flex; gap:10px; flex-wrap:wrap; margin-top:34px;
}
.hero-sectors span{
  background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.22);
  color:#fff; padding:6px 14px; border-radius:999px; font-size:.8rem;
}

/* Botones */
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:13px 26px;
  border-radius:999px; font-weight:700; font-size:.95rem; cursor:pointer;
  border:1.5px solid transparent; text-decoration:none; min-height:44px;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-1px); text-decoration:none;}
.btn-primary{background:var(--gold); color:var(--navy);}
.btn-primary:hover{background:var(--gold-light); box-shadow:var(--shadow-md);}
.btn-secondary{background:#fff; color:var(--navy); border-color:#fff;}
.btn-secondary:hover{background:transparent; color:#fff;}
.btn-outline{background:transparent; color:var(--navy); border-color:var(--navy);}
.btn-outline:hover{background:var(--navy); color:#fff;}
.btn-teal{background:var(--teal); color:#fff;}
.btn-teal:hover{background:var(--teal-light);}
.btn-block{width:100%; justify-content:center;}
.btn[disabled]{opacity:.5; cursor:not-allowed;}

/* ---------- Sections ---------- */
.section{padding:64px 0;}
.section-alt{background:var(--warm-50);}
.section-navy{background:var(--navy); color:#fff;}
.section-navy h2, .section-navy h3{color:#fff;}
.section-navy p{color:#C9D3E1;}
.section-header{max-width:720px; margin-bottom:36px;}
.section-header.centered{margin-left:auto; margin-right:auto; text-align:center;}
.eyebrow{
  display:inline-block; color:var(--teal); font-weight:700; font-size:.8rem;
  letter-spacing:.06em; text-transform:uppercase; margin-bottom:10px;
}

.grid{display:grid; gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width: 980px){ .grid-3, .grid-4{grid-template-columns:repeat(2,1fr);} }
@media (max-width: 640px){ .grid-2, .grid-3, .grid-4{grid-template-columns:1fr;} }

.card{
  background:#fff; border:1px solid var(--warm-200); border-radius:var(--radius);
  padding:26px; box-shadow:var(--shadow-sm);
}
.card-icon{
  width:48px; height:48px; border-radius:12px; background:var(--warm-100);
  display:flex; align-items:center; justify-content:center; color:var(--teal);
  font-size:1.2rem; margin-bottom:16px;
}

/* ---------- Solution cards (catálogo) ---------- */
.solution-card{
  background:#fff; border:1px solid var(--warm-200); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow-sm); display:flex; flex-direction:column;
  transition:box-shadow .2s ease, transform .2s ease;
}
.solution-card:hover{box-shadow:var(--shadow-md); transform:translateY(-2px);}
.solution-card .thumb{
  aspect-ratio:4/3; background:var(--warm-100); overflow:hidden; position:relative;
}
.solution-card .thumb img{width:100%; height:100%; object-fit:cover;}
.solution-card .thumb .brand-tag{
  position:absolute; top:10px; left:10px; background:rgba(11,35,64,.85); color:#fff;
  font-size:.7rem; font-weight:700; padding:4px 10px; border-radius:999px; letter-spacing:.02em;
}
.solution-card .body{padding:20px 20px 22px; display:flex; flex-direction:column; gap:10px; flex:1;}
.solution-card h3{margin:0; font-size:1.08rem;}
.solution-card .tag-row{display:flex; gap:6px; flex-wrap:wrap;}
.tag{
  font-size:.72rem; font-weight:700; color:var(--navy); background:var(--warm-100);
  padding:3px 10px; border-radius:999px; border:1px solid var(--warm-200);
}
.tag-family{color:#fff; background:var(--teal); border-color:var(--teal);}
.solution-card .spacer{flex:1;}
.solution-card .card-footer{display:flex; justify-content:space-between; align-items:center; gap:10px; margin-top:8px;}

/* ---------- Separación consultable vs. casos/afirmaciones ---------- */
.catalog-section{margin-bottom:52px;}
.catalog-section-cases{
  padding-top:36px; border-top:2px dashed var(--warm-200);
}
.solution-card-noncatalog{
  background:var(--warm-50);
}
.solution-card-noncatalog .thumb{filter:saturate(.75);}

/* ---------- Trazabilidad de ficha (documentación / pendientes / fuente) ---------- */
.fiche-traceability{
  margin-top:30px; padding-top:22px; border-top:1px solid var(--warm-200);
}

/* ---------- Homepage: familias en portada ---------- */
.family-card{
  background:#fff; border:1px solid var(--warm-200); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow-sm); display:flex; flex-direction:column;
  transition:box-shadow .2s ease, transform .2s ease; text-decoration:none; color:inherit;
}
.family-card:hover{box-shadow:var(--shadow-md); transform:translateY(-2px); text-decoration:none;}
.family-card .thumb{aspect-ratio:4/3; background:var(--warm-100); overflow:hidden;}
.family-card .thumb img{width:100%; height:100%; object-fit:cover;}
.family-card .body{padding:20px 20px 22px; display:flex; flex-direction:column; gap:8px; flex:1;}
.family-card h3{margin:0; font-size:1.05rem; color:var(--navy);}
.family-card p{margin:0; font-size:.88rem; color:#3C4453; flex:1;}
.family-card .family-cta{
  font-size:.85rem; font-weight:700; color:var(--teal); display:inline-flex; align-items:center; gap:6px;
}

/* ---------- Tarjetas de soluciones protagonistas (portada) ---------- */
.pillar-row{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
@media (max-width:980px){ .pillar-row{grid-template-columns:1fr;} }
.pillar-card{
  background:#fff; border:1px solid var(--warm-200); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow-sm); display:flex; flex-direction:column;
  transition:box-shadow .2s ease, transform .2s ease;
}
.pillar-card:hover{box-shadow:var(--shadow-md); transform:translateY(-2px);}
.pillar-card .thumb{aspect-ratio:4/3; background:var(--warm-100); overflow:hidden;}
.pillar-card .thumb img{width:100%; height:100%; object-fit:cover;}
.pillar-card .body{padding:22px 22px 26px; display:flex; flex-direction:column; gap:10px; flex:1;}
.pillar-card h3{margin:0; font-size:1.12rem;}
.pillar-card p{flex:1; font-size:.92rem;}
.pillar-card a.btn{align-self:flex-start; margin-top:6px;}

/* ---------- Banda de acceso rápido a las 3 soluciones (otras páginas) ---------- */
.pillar-strip{
  display:flex; gap:14px; flex-wrap:wrap; padding:16px 18px; background:var(--warm-50);
  border:1px solid var(--warm-200); border-radius:var(--radius); margin-bottom:30px;
}
.pillar-strip a{
  font-weight:700; font-size:.86rem; color:var(--navy); background:#fff;
  border:1px solid var(--warm-200); padding:8px 16px; border-radius:999px;
}
.pillar-strip a:hover{background:var(--navy); color:#fff; text-decoration:none; border-color:var(--navy);}

/* ---------- Persona selector (dos tipos de comprador) ---------- */
.persona-row{display:grid; grid-template-columns:1fr 1fr; gap:22px;}
@media (max-width:768px){ .persona-row{grid-template-columns:1fr;} }
.persona-card{
  background:#fff; border:1.5px solid var(--warm-200); border-radius:var(--radius);
  padding:26px; display:flex; flex-direction:column; gap:10px; height:100%;
}
.persona-card .persona-icon{
  width:46px; height:46px; border-radius:12px; background:var(--warm-100);
  display:flex; align-items:center; justify-content:center; color:var(--teal); font-size:1.15rem;
}
.persona-card h3{margin:0; min-height:2.6em;}
.persona-card p.small{flex:1;}
.persona-card a.btn{align-self:flex-start; margin-top:auto;}

/* Filtros de catálogo */
.filters{
  display:flex; gap:10px; flex-wrap:wrap; margin-bottom:30px; padding:18px;
  background:var(--warm-50); border:1px solid var(--warm-200); border-radius:var(--radius);
}
.filters button{
  background:#fff; border:1px solid var(--warm-200); color:var(--navy);
  padding:8px 16px; border-radius:999px; font-size:.85rem; font-weight:600; cursor:pointer;
  min-height:40px;
}
.filters button.active{background:var(--navy); color:#fff; border-color:var(--navy);}

/* ---------- Ficha detalle ---------- */
.fiche-header{background:var(--warm-50); padding:40px 0 30px; border-bottom:1px solid var(--warm-200);}
.breadcrumb{font-size:.85rem; color:var(--warm-600); margin-bottom:14px;}
.breadcrumb a{color:var(--warm-600);}
.fiche-media{border-radius:var(--radius); overflow:hidden; border:1px solid var(--warm-200); background:#fff;}
.fiche-media img{width:100%;}
.fiche-media figcaption{
  padding:10px 14px; font-size:.78rem; color:var(--warm-600); background:var(--warm-50);
  border-top:1px solid var(--warm-200);
}
.source-box{
  background:#fff; border:1px solid var(--warm-200); border-left:4px solid var(--teal);
  border-radius:10px; padding:16px 18px; font-size:.88rem; margin:18px 0;
}
.source-box b{color:var(--navy);}
.pending-box{
  background:#FDF6EC; border:1px solid #EAD9B0; border-left:4px solid var(--gold);
  border-radius:10px; padding:16px 18px; font-size:.88rem; margin:18px 0;
}
.pending-box b{color:var(--navy);}
.spec-table{width:100%; border-collapse:collapse; margin:14px 0; font-size:.9rem;}
.spec-table th, .spec-table td{
  border:1px solid var(--warm-200); padding:9px 12px; text-align:left;
}
.spec-table th{background:var(--warm-100); color:var(--navy); font-weight:700;}
.disclaimer-line{
  font-size:.8rem; color:var(--warm-600); border-top:1px dashed var(--warm-200);
  padding-top:14px; margin-top:18px;
}
.provider-quote{
  font-style:italic; color:var(--navy); background:var(--warm-50); padding:14px 16px;
  border-radius:10px; border:1px solid var(--warm-200); font-size:.92rem;
}

/* Badges de verificación */
.verify-badge{
  display:inline-flex; align-items:center; gap:6px; font-size:.75rem; font-weight:700;
  padding:5px 12px; border-radius:999px;
}
.verify-badge.declared{background:#FDF6EC; color:#8A6416; border:1px solid #EAD9B0;}
.verify-badge.pending{background:#FBEAE6; color:var(--danger); border:1px solid #E3B7A8;}

/* ---------- Formulario de requerimiento ---------- */
.form-shell{
  background:#fff; border:1px solid var(--warm-200); border-radius:var(--radius);
  padding:34px; box-shadow:var(--shadow-sm);
}
.form-row{margin-bottom:20px;}
.form-row label{
  display:block; font-weight:700; font-size:.88rem; color:var(--navy); margin-bottom:6px;
}
.form-row .hint{font-size:.78rem; color:var(--warm-600); margin-top:4px;}
.form-row input, .form-row select, .form-row textarea{
  width:100%; padding:12px 14px; border:1.5px solid var(--warm-200); border-radius:8px;
  font-size:.95rem; font-family:inherit; background:#fff; color:var(--ink); min-height:44px;
}
.form-row textarea{min-height:100px; resize:vertical;}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  outline:2px solid var(--teal); outline-offset:1px; border-color:var(--teal);
}
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:0 20px;}
@media (max-width:640px){ .form-grid{grid-template-columns:1fr;} }
.required::after{content:" *"; color:var(--danger);}
.optional-tag{font-weight:500; color:var(--warm-600); font-size:.8rem; text-transform:none;}
.form-row input.field-invalid, .form-row select.field-invalid, .form-row textarea.field-invalid{
  border-color:var(--danger); outline:2px solid rgba(138,59,42,.15);
}
.field-error{color:var(--danger); font-size:.8rem; margin-top:4px; min-height:1em;}
.form-error-summary{
  display:none; background:#FBEAE6; border:1px solid #E3B7A8; color:var(--danger);
  border-radius:10px; padding:12px 16px; font-size:.9rem; font-weight:600; margin:18px 0;
}
.step-indicator{display:flex; gap:8px; margin-bottom:28px; flex-wrap:wrap;}
.step-indicator span{
  font-size:.78rem; font-weight:700; color:var(--warm-600); background:var(--warm-100);
  padding:6px 14px; border-radius:999px;
}
.step-indicator span.active{background:var(--navy); color:#fff;}
.summary-box{
  background:var(--warm-50); border:1px solid var(--warm-200); border-radius:10px;
  padding:20px; font-family:'Courier New',monospace; font-size:.85rem; white-space:pre-wrap;
  max-height:420px; overflow-y:auto; line-height:1.55;
}
.action-row{display:flex; gap:12px; flex-wrap:wrap; margin-top:20px;}
.copy-feedback{font-size:.82rem; color:var(--ok); font-weight:700; margin-left:8px; display:none;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy); color:#C9D3E1; padding:56px 0 26px; font-size:.9rem;}
.footer-grid{display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr 1fr; gap:28px; margin-bottom:36px;}
@media (max-width:1080px){ .footer-grid{grid-template-columns:1fr 1fr 1fr;} }
@media (max-width:720px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:480px){ .footer-grid{grid-template-columns:1fr;} }
.footer-brand img{height:32px; margin-bottom:14px;}
.footer-brand p{color:#9FB0C6; font-size:.85rem;}
.site-footer h4{color:#fff; font-size:.85rem; text-transform:uppercase; letter-spacing:.04em; margin-bottom:14px;}
.site-footer a{color:#C9D3E1; display:block; margin-bottom:8px; font-size:.88rem;}
.site-footer a:hover{color:#fff;}
.footer-eco{display:flex; gap:14px; flex-wrap:wrap; font-size:.8rem;}
.footer-legal-note{
  border-top:1px solid rgba(255,255,255,.12); padding-top:20px; color:#8195AF; font-size:.78rem;
}
.footer-bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  margin-top:14px; color:#8195AF; font-size:.78rem;
}

/* ---------- Notice / disclaimer blocks reused across pages ---------- */
.notice{
  border-radius:var(--radius); padding:20px 22px; border:1px solid var(--warm-200);
  background:var(--warm-50); margin:24px 0;
}
.notice.warn{background:#FDF6EC; border-color:#EAD9B0;}
.notice h4{margin-bottom:8px; font-size:.95rem;}
.notice ul{margin:0; padding-left:1.1em; font-size:.9rem; color:#3C4453;}

/* Ecosystem strip */
.eco-strip{
  display:flex; gap:24px; flex-wrap:wrap; align-items:center; justify-content:center;
  padding:22px; background:var(--warm-50); border-radius:var(--radius); border:1px solid var(--warm-200);
}
.eco-strip a{font-weight:700; font-size:.85rem; color:var(--navy);}

/* Steps "cómo trabajamos" */
.steps{display:flex; flex-direction:column; gap:0;}
.step{
  display:flex; gap:20px; padding:26px 0; border-bottom:1px solid var(--warm-200);
}
.step:last-child{border-bottom:none;}
.step-num{
  flex:0 0 44px; height:44px; border-radius:50%; background:var(--navy); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:800; font-family:'Manrope',sans-serif;
}

/* Tables generic responsive wrap */
.table-scroll{overflow-x:auto;}

/* Status page pending list */
.pending-list{list-style:none; padding:0; display:flex; flex-direction:column; gap:12px;}
.pending-list li{
  background:#fff; border:1px solid var(--warm-200); border-left:4px solid var(--danger);
  border-radius:10px; padding:14px 16px; font-size:.9rem;
}

/* Utility */
.mt-0{margin-top:0;}
.text-center{text-align:center;}
.small{font-size:.85rem;}
.mono{font-family:'Courier New',monospace;}