/* ==========================================================================
   A10RADO — hoja de estilos única (tema claro, fiel al original)
   Blanco · negro #0b0b0b · amarillo #EED202 · pie amarillo
   ========================================================================== */
:root{
  --black:#0b0b0b;
  --ink:#1b1b1b;
  --paper:#ffffff;
  --paper-2:#f6f6f4;
  --accent:#eed202;
  --accent-dark:#cbb200;
  --muted:#5c5c5c;
  --line:rgba(0,0,0,.12);
  --line-dark:rgba(255,255,255,.16);
  --wrap:1140px;
  --gap:clamp(1.25rem,4vw,3rem);
  --radius:8px;
  --font-display:"Poppins",system-ui,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --shadow:0 1px 2px rgba(0,0,0,.05),0 10px 30px rgba(0,0,0,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--paper);
  line-height:1.7;font-size:1.0625rem;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.15;
  letter-spacing:-.01em;margin:0 0 .5em;color:var(--black)}
p{margin:0 0 1rem}
ul{margin:0 0 1rem;padding-left:1.2rem}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}

.wrap{width:min(var(--wrap),92%);margin-inline:auto}
.section{padding:clamp(3rem,7vw,5.5rem) 0}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--black);color:#fff}
.section--dark h1,.section--dark h2,.section--dark h3{color:#fff}

/* Encabezado de sección: divisor amarillo centrado + título (como el original) */
.section-head{text-align:center;margin-bottom:2.5rem}
.section-head .bar{width:64px;height:4px;background:var(--accent);margin:0 auto 1.25rem;border-radius:2px}
.section-head p{color:var(--muted);max-width:56ch;margin:.5rem auto 0}
.section--dark .section-head p{color:rgba(255,255,255,.8)}

h1{font-size:clamp(2rem,4.6vw,3.1rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem)}
h3{font-size:1.25rem}
.lead{font-size:clamp(1.02rem,1.8vw,1.18rem);color:var(--muted);max-width:60ch}
.eyebrow{display:none} /* el original no usa antetítulos */

/* Botones (rectángulo redondeado, como el original) */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-display);
  font-weight:600;font-size:.95rem;text-decoration:none;padding:.8rem 1.4rem;
  border-radius:var(--radius);border:2px solid transparent;cursor:pointer;
  transition:transform .15s ease,background .2s ease,color .2s ease}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--accent);color:#0b0b0b}
.btn--primary:hover{background:var(--accent-dark)}
.btn--ghost{background:transparent;color:var(--black);border-color:var(--black)}
.btn--ghost:hover{background:var(--accent);border-color:var(--accent);color:#0b0b0b}
.section--dark .btn--ghost{color:#fff;border-color:#fff}
.btn .arrow{transition:transform .15s ease}
.btn:hover .arrow{transform:translateX(3px)}

/* ==========================================================================
   Header — menú tipo acordeón (botón que despliega la lista), como el original
   ========================================================================== */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.6rem 0;width:min(var(--wrap),92%);margin-inline:auto;position:relative}
.brand{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none}
.brand img{height:46px;width:auto}
.nav-right{display:flex;align-items:center;gap:.9rem}
.nav-contact{font-family:var(--font-display);font-weight:600;font-size:.9rem;
  text-transform:uppercase;letter-spacing:.06em;text-decoration:none;color:var(--black)}
.nav-contact:hover{color:var(--accent-dark)}
.lang-switch{display:inline-flex;align-items:center;gap:.15rem;font-family:var(--font-display);font-size:.8rem;font-weight:600}
.lang-switch a{text-decoration:none;color:var(--muted);padding:.25rem .4rem;border-radius:5px;line-height:1}
.lang-switch a:hover{color:var(--black)}
.lang-switch a[aria-current="true"]{background:var(--accent);color:#0b0b0b}
@media (max-width:560px){
  .brand img{height:38px}
  .nav-right{gap:.5rem}
  .nav-contact{font-size:.78rem;letter-spacing:.02em}
  .lang-switch{font-size:.72rem}
  .lang-switch a{padding:.2rem .3rem}
}

/* Botón hamburguesa: visible SIEMPRE (en el original aparece en todos los tamaños) */
.nav-toggle{width:46px;height:46px;border:0;background:transparent;cursor:pointer;
  padding:11px;border-radius:8px}
.nav-toggle span{display:block;height:2px;background:var(--black);border-radius:2px;
  transition:transform .25s ease,opacity .2s ease}
.nav-toggle span+span{margin-top:6px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Panel desplegable */
.nav-menu{position:absolute;top:calc(100% + 1px);right:0;left:0;
  list-style:none;margin:0;padding:.4rem 0;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  display:grid;transform:translateY(-10px);opacity:0;pointer-events:none;
  transition:transform .22s ease,opacity .22s ease}
.nav-menu.is-open{transform:none;opacity:1;pointer-events:auto}
.nav-menu a{display:block;text-decoration:none;font-family:var(--font-display);
  font-weight:500;color:var(--ink);padding:.95rem 6%;border-top:1px solid var(--line)}
.nav-menu li:first-child a{border-top:0}
.nav-menu a:hover,.nav-menu a[aria-current="page"]{background:var(--accent);color:#0b0b0b}

/* ==========================================================================
   Hero (claro, texto negro, como el original)
   ========================================================================== */
.hero{background:#fff;padding:clamp(2.5rem,6vw,4.5rem) 0 clamp(2rem,5vw,3.5rem)}
.hero h1 .hl{text-decoration:underline;text-decoration-color:var(--accent);
  text-decoration-thickness:6px;text-underline-offset:4px}
.hero p{color:var(--muted);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.5rem}
.trefoil{display:none} /* se retira el gráfico añadido para respetar el original */

/* Hero con foto de fondo (aclarada, texto negro legible) como el original */
.hero--photo{background:
    linear-gradient(rgba(255,255,255,.78),rgba(255,255,255,.82)),
    url("../img/hero-home.jpg") center/cover no-repeat;
  min-height:74vh;display:flex;align-items:center}
.hero--photo p{color:#333}

/* Franja decorativa con foto a todo el ancho (sin texto) */
.photo-band{min-height:clamp(280px,45vh,460px);
  background-position:center;background-size:cover;background-repeat:no-repeat}

/* Acordeón "Normativa actual" (nativo, accesible) */
.accordion{border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  max-width:820px;margin:1.5rem auto 0;overflow:hidden}
.section--dark .accordion{background:transparent;border-color:var(--line-dark)}
.accordion summary{list-style:none;cursor:pointer;font-family:var(--font-display);
  font-weight:600;font-size:1.1rem;padding:1.1rem 1.3rem;display:flex;align-items:center;gap:.7rem}
.accordion summary::-webkit-details-marker{display:none}
.accordion summary::before{content:"+";display:inline-grid;place-items:center;
  width:1.5rem;height:1.5rem;font-weight:700;color:#0b0b0b;background:var(--accent);border-radius:5px}
.accordion[open] summary::before{content:"\2013"}
.section--dark .accordion summary{color:#fff}
.accordion-body{padding:0 1.3rem 1.3rem}
.accordion .refs li{color:var(--muted)}
.section--dark .accordion .refs li{color:rgba(255,255,255,.85)}

/* Bloque destacado 300 Bq/m³ (discreto) */
.threshold{background:var(--accent);color:#0b0b0b}
.threshold .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem 2rem;padding:1.1rem 0}
.threshold .big{font-family:var(--font-display);font-weight:700;font-size:clamp(1.5rem,4vw,2.1rem)}
.threshold .txt{font-weight:500;max-width:62ch;margin:0}

/* ==========================================================================
   Rejillas
   ========================================================================== */
.grid{display:grid;gap:1.5rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:860px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.7rem;box-shadow:var(--shadow);height:100%;text-align:center}
.card .ico{width:64px;height:64px;margin:0 auto 1rem}
.card h3{margin-bottom:.4rem}
.card p{color:var(--muted);margin:0}

.service{display:grid;grid-template-columns:auto 1fr;gap:1.2rem;padding:1.8rem 0;
  border-top:1px solid var(--line)}
.service:last-child{border-bottom:1px solid var(--line)}
.service .num{font-family:var(--font-display);font-weight:700;color:#0b0b0b;
  background:var(--accent);width:2.4rem;height:2.4rem;border-radius:50%;display:grid;place-items:center}
.service h3{margin:.15rem 0 .5rem}
.service ul{color:var(--muted)}

.checklist{list-style:none;padding:0;display:grid;gap:.9rem}
.checklist li{display:grid;grid-template-columns:auto 1fr;gap:.75rem;color:var(--muted)}
.checklist li::before{content:"";width:12px;height:12px;margin-top:.55rem;background:var(--accent);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}

.refs{list-style:none;padding:0;display:grid;gap:1rem}
.refs li{padding-left:1.2rem;border-left:3px solid var(--accent);color:rgba(255,255,255,.85);font-size:.97rem}

.team{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem}
@media (max-width:720px){.team{grid-template-columns:1fr}}
.member{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem}
.member h3{font-size:1.12rem;margin-bottom:.2rem}
.member .role{font-family:var(--font-display);font-size:.78rem;text-transform:uppercase;
  letter-spacing:.1em;color:var(--accent-dark);margin-bottom:.8rem;font-weight:600}
.member ul{margin:0;color:var(--muted);font-size:.95rem}

/* Consulta de riesgo */
.gauge{background:var(--black);color:#fff;border-radius:var(--radius);
  padding:clamp(1.5rem,4vw,2.4rem);max-width:640px}
.gauge label{font-family:var(--font-display);font-weight:600;display:block;margin-bottom:.6rem}
.gauge-row{display:flex;gap:.6rem;flex-wrap:wrap}
.gauge input{flex:1 1 200px;font:inherit;font-size:1.2rem;letter-spacing:.15em;text-align:center;
  padding:.9rem 1rem;border-radius:var(--radius);border:2px solid var(--line-dark);background:#151515;color:#fff}
.gauge input:focus{border-color:var(--accent);outline:none}
.gauge .hint{color:rgba(255,255,255,.55);font-size:.85rem;margin:.7rem 0 0}
.result{margin-top:1.4rem;border-radius:var(--radius);padding:1.2rem 1.3rem;display:none;
  border-left:6px solid var(--accent);background:#151515}
.result.show{display:block;animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}}
.result .tag{font-family:var(--font-display);font-weight:700;font-size:1.1rem;display:flex;
  align-items:center;gap:.6rem;margin-bottom:.5rem;color:#fff}
.result .dot{width:.9rem;height:.9rem;border-radius:50%;background:var(--accent)}
.result[data-zona="2"]{border-left-color:#ff6a3d}
.result[data-zona="2"] .dot{background:#ff6a3d}
.result[data-zona="0"]{border-left-color:#7bdc8a}
.result[data-zona="0"] .dot{background:#7bdc8a}
.result p{color:rgba(255,255,255,.82);margin:0}

/* Formulario */
.form{display:grid;gap:1rem;max-width:560px}
.form .field{display:grid;gap:.35rem}
.form label{font-size:.9rem;font-weight:600}
.form input,.form textarea{font:inherit;padding:.8rem .95rem;border-radius:var(--radius);
  border:1px solid var(--line);background:#fff}
.form input:focus,.form textarea:focus{border-color:var(--accent);outline:none;
  box-shadow:0 0 0 3px rgba(238,210,2,.25)}
.form .check{display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.form .check input{margin-top:.2rem}
.form-note{font-size:.85rem;color:var(--muted)}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);align-items:start}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact-list{list-style:none;padding:0;display:grid;gap:1.1rem}
.contact-list a{text-decoration:none}
.contact-list .k{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.1em;
  font-size:.72rem;color:var(--muted)}
.map{border:0;width:100%;height:320px;border-radius:var(--radius);margin-top:1.2rem}

.prose{max-width:75ch}
.prose h2{margin-top:2rem}
.prose h3{margin-top:1.5rem}
.prose p,.prose li{color:#333}
.section--dark .prose p,.section--dark .prose li{color:rgba(255,255,255,.85)}

/* ==========================================================================
   Footer AMARILLO (como el original)
   ========================================================================== */
.site-footer{background:var(--accent);color:#0b0b0b;padding:3.5rem 0 2rem}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:var(--gap)}
@media (max-width:760px){.footer-top{grid-template-columns:1fr}}
.site-footer img{height:52px;margin-bottom:1rem}
.site-footer h4{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.1em;
  font-size:.78rem;margin:0 0 1rem;color:#0b0b0b}
.site-footer ul{list-style:none;padding:0;display:grid;gap:.55rem}
.site-footer a{color:#0b0b0b;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.socials{display:flex;gap:.7rem;margin-top:1rem}
.socials a{width:42px;height:42px;border:1px solid rgba(0,0,0,.35);border-radius:50%;
  display:grid;place-items:center;transition:.15s}
.socials a:hover{background:#0b0b0b}
.socials svg{width:20px;height:20px;fill:#0b0b0b}
.socials a:hover svg{fill:var(--accent)}
.footer-bottom{margin-top:2.5rem;padding-top:1.4rem;border-top:1px solid rgba(0,0,0,.25);
  display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between;font-size:.85rem;color:#333}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---- Aviso emergente de Tienda (sin stock) ---- */
.shop-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;
  background:rgba(11,11,11,.55);opacity:0;transition:opacity .2s ease;padding:1rem}
.shop-modal.is-open{opacity:1}
.shop-modal__box{background:#fff;border-radius:var(--radius);max-width:420px;width:100%;
  padding:2.2rem 1.75rem 1.75rem;text-align:center;position:relative;box-shadow:var(--shadow);
  border-top:5px solid var(--accent);transform:translateY(10px);transition:transform .2s ease}
.shop-modal.is-open .shop-modal__box{transform:none}
.shop-modal__close{position:absolute;top:.4rem;right:.6rem;border:0;background:none;
  font-size:1.7rem;line-height:1;cursor:pointer;color:var(--muted);padding:.2rem .45rem;border-radius:6px}
.shop-modal__close:hover{color:var(--black)}
.shop-modal__msg{font-family:var(--font-display);font-weight:600;font-size:1.2rem;
  margin:.4rem 0 1.5rem;color:var(--black)}
.shop-modal__ok{cursor:pointer}