/* Biotrade S.A. — hoja de estilos del sitio
   Paleta: sale del logo (verde #4A8A36, naranja #E07820, tinta #1B221D).
   Tipografía: Jost para títulos, Source Sans 3 para texto. */

:root{
  --verde:#4A8A36;
  --verde-oscuro:#2F6A28;
  --verde-900:#17301C;
  --verde-100:#E4EEDF;
  --verde-050:#F1F6EE;
  --naranja:#E07820;
  --naranja-oscuro:#C4650F;
  --tinta:#1B221D;
  --gris:#55635A;
  --gris-claro:#8A968D;
  --linea:#DCE3DA;
  --fondo:#FFFFFF;
  --fondo-suave:#F4F7F2;
  --oscuro:#14211A;
  --oscuro-texto:#D7E0D8;
  --radio:8px;
  --max:1140px;
  --display:"Jost","Avenir Next","Century Gothic",system-ui,sans-serif;
  --texto:"Source Sans 3","Source Sans Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--fondo);color:var(--tinta);
  font-family:var(--texto);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--display);font-weight:600;line-height:1.15;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(34px,4.6vw,56px)}
h2{font-size:clamp(26px,3.2vw,38px)}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0 0 1rem}
ul,ol{margin:0 0 1rem;padding-left:1.25rem}
li{margin-bottom:.35rem}
a{color:var(--verde-oscuro)}
a:hover{color:var(--verde-900)}
img{max-width:100%;height:auto;display:block}
strong{font-weight:600}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--naranja);outline-offset:2px}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.wrap-angosto{max-width:760px}
.sec{padding:72px 0}
.sec-suave{background:var(--fondo-suave)}
.sec-oscura{background:var(--oscuro);color:var(--oscuro-texto)}
.sec-oscura h2,.sec-oscura h3{color:#fff}
.sec-oscura a{color:#fff}
.sec-cabeza{max-width:720px;margin-bottom:40px}
.sec-cabeza p{font-size:19px;color:var(--gris);margin-top:14px}
.sec-oscura .sec-cabeza p{color:var(--oscuro-texto)}
.eyebrow{
  display:block;font-family:var(--display);font-size:13px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--verde-oscuro);margin-bottom:12px;
}
.sec-oscura .eyebrow{color:#9CCB8C}
.lede{font-size:20px;line-height:1.55;color:var(--gris)}

/* botones */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid transparent;border-radius:var(--radio);cursor:pointer;
  font-family:var(--display);font-size:16px;font-weight:500;padding:13px 24px;
  text-decoration:none;text-align:center;line-height:1.2;
  transition:background .15s,color .15s,border-color .15s;
}
.btn-naranja{background:var(--naranja);color:var(--tinta)}
.btn-naranja:hover{background:var(--naranja-oscuro);color:var(--tinta)}
.btn-verde{background:var(--verde-oscuro);color:#fff}
.btn-verde:hover{background:var(--verde-900);color:#fff}
.btn-claro{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-claro:hover{background:rgba(255,255,255,.22);color:#fff}
.btn-linea{background:transparent;color:var(--verde-oscuro);border-color:var(--verde-100)}
.btn-linea:hover{background:var(--verde-050);border-color:var(--verde-oscuro);color:var(--verde-900)}
.btn-chico{padding:9px 16px;font-size:15px}
.btn svg{width:18px;height:18px;flex:none}

/* barra superior de contacto */
.topbar{background:var(--verde-900);color:#DCE8D8;font-size:14px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none}
.topbar a:hover{text-decoration:underline}
.topbar-datos{display:flex;gap:22px;flex-wrap:wrap}
.topbar-datos span{white-space:nowrap}
.topbar-datos svg{width:14px;height:14px;vertical-align:-2px;margin-right:5px;opacity:.85}
@media (max-width:760px){.topbar-dir,.topbar-cta{display:none}.topbar .wrap{justify-content:center}}
@media (max-width:480px){.topbar-mail{display:none}}

/* cabecera */
.head{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--linea);
}
.head .wrap{display:flex;align-items:center;gap:32px;min-height:76px}
.head-logo{flex:none;display:block}
.head-logo img{height:44px;width:auto}
.head-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.head-nav>a:not(.head-cta),.head-nav>.menu>button{
  font-family:var(--display);font-size:16px;font-weight:500;color:var(--tinta);
  text-decoration:none;background:none;border:none;padding:8px 0;cursor:pointer;
  display:inline-flex;align-items:center;gap:6px;
}
.head-nav>a:not(.head-cta):hover,.head-nav>.menu>button:hover,.head-nav>a[aria-current="page"]{color:var(--verde-oscuro)}
.head-nav>a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--verde)}
.menu{position:relative}
.menu>button svg{width:12px;height:12px;transition:transform .15s}
.menu[open]>button svg,.menu.abierto>button svg{transform:rotate(180deg)}
.menu-lista{
  position:absolute;top:calc(100% + 10px);left:-16px;min-width:300px;
  background:#fff;border:1px solid var(--linea);border-radius:var(--radio);
  box-shadow:0 14px 40px rgba(20,33,26,.14);padding:8px;display:none;z-index:60;
}
.menu.abierto .menu-lista{display:block}
.menu-lista a{
  display:block;padding:10px 12px;border-radius:6px;text-decoration:none;color:var(--tinta);
  font-family:var(--display);font-size:15px;font-weight:500;
}
.menu-lista a small{display:block;font-family:var(--texto);font-weight:400;color:var(--gris);font-size:13.5px;margin-top:1px}
.menu-lista a:hover{background:var(--verde-050);color:var(--verde-900)}
.menu-lista a.todos{border-top:1px solid var(--linea);margin-top:6px;padding-top:12px;color:var(--verde-oscuro)}
.head-cta{margin-left:4px}
.head-burger{
  display:none;margin-left:auto;background:none;border:1.5px solid var(--linea);
  border-radius:var(--radio);padding:9px 11px;cursor:pointer;color:var(--tinta);
}
.head-burger svg{width:22px;height:22px;display:block}
@media (max-width:960px){
  .head .wrap{gap:16px;min-height:68px}
  .head-logo img{height:38px}
  .head-burger{display:block}
  .head-nav{
    display:none;position:absolute;left:0;right:0;top:100%;background:#fff;
    border-bottom:1px solid var(--linea);flex-direction:column;align-items:stretch;
    gap:0;padding:8px 24px 20px;margin:0;box-shadow:0 18px 40px rgba(20,33,26,.12);
  }
  .head-nav.abierto{display:flex}
  .head-nav>a:not(.head-cta),.head-nav>.menu>button{padding:14px 0;border-bottom:1px solid var(--linea);width:100%;justify-content:space-between}
  .head-nav>a[aria-current="page"]{box-shadow:none;color:var(--verde-oscuro)}
  .menu-lista{position:static;box-shadow:none;border:none;padding:0 0 8px 12px;min-width:0}
  .menu-lista a{padding:9px 8px}
  .head-nav .head-cta{display:inline-flex;margin:16px 0 0;width:100%;padding:13px 24px;font-size:16px;justify-content:center}
}

/* portada */
.hero{position:relative;color:#fff;background:var(--oscuro);overflow:hidden}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% center}
.hero-velo{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(15,28,20,.88) 0%,rgba(15,28,20,.72) 38%,rgba(15,28,20,.25) 70%,rgba(15,28,20,.15) 100%);
}
.hero .wrap{position:relative;padding-top:88px;padding-bottom:88px;max-width:var(--max)}
.hero-in{max-width:640px}
.hero h1{color:#fff;margin-bottom:20px}
.hero-sub{font-size:20px;line-height:1.55;color:#E6EDE4;max-width:560px;margin-bottom:30px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-nota{margin-top:34px;font-size:14.5px;color:#C7D3C6;display:flex;gap:10px;align-items:center}
.hero-nota svg{width:18px;height:18px;flex:none;color:#9CCB8C}
@media (max-width:720px){
  .hero .wrap{padding-top:60px;padding-bottom:60px}
  .hero-velo{background:linear-gradient(180deg,rgba(15,28,20,.82) 0%,rgba(15,28,20,.78) 100%)}
}

/* circuito: los servicios en una fila */
.circuito{position:relative;z-index:2;margin-top:-34px}
.circuito-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;background:#fff;
  border:1px solid var(--linea);border-radius:12px;overflow:hidden;
  box-shadow:0 18px 50px rgba(20,33,26,.12);
}
.circuito-item{
  display:flex;flex-direction:column;text-decoration:none;color:var(--tinta);
  border-right:1px solid var(--linea);background:#fff;transition:background .15s;
}
.circuito-item:last-child{border-right:none}
.circuito-item:hover{background:var(--verde-050);color:var(--tinta)}
.circuito-item img{width:100%;aspect-ratio:4/3;object-fit:cover}
.circuito-txt{padding:14px 16px 18px}
.circuito-txt strong{display:block;font-family:var(--display);font-weight:600;font-size:16px;line-height:1.25;margin-bottom:5px}
.circuito-txt span{font-size:14px;color:var(--gris);line-height:1.4;display:block}
@media (max-width:960px){
  .circuito{margin-top:0;padding-top:24px}
  .circuito-grid{grid-template-columns:repeat(3,1fr);box-shadow:none}
  .circuito-item:nth-child(3){border-right:none}
  .circuito-item:nth-child(-n+3){border-bottom:1px solid var(--linea)}
}
@media (max-width:600px){
  .circuito-grid{grid-template-columns:1fr 1fr}
  .circuito-item{border-right:1px solid var(--linea)!important;border-bottom:1px solid var(--linea)}
  .circuito-item:nth-child(2n){border-right:none!important}
  .circuito-item:last-child{grid-column:1/-1;flex-direction:row}
  .circuito-item:last-child img{width:40%;aspect-ratio:auto}
}

/* tres pasos */
.pasos{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.paso{padding:28px;border:1px solid var(--linea);border-radius:12px;background:#fff}
.paso-num{
  font-family:var(--display);font-weight:600;font-size:14px;letter-spacing:.1em;
  color:var(--verde-oscuro);display:block;margin-bottom:14px;
}
.paso h3{margin-bottom:10px}
.paso p{color:var(--gris);margin:0;font-size:16px}
@media (max-width:860px){.pasos{grid-template-columns:1fr}}

/* cifras */
.cifras{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cifra{padding:22px 0;border-top:2px solid var(--verde)}
.cifra strong{display:block;font-family:var(--display);font-weight:600;font-size:40px;line-height:1;color:var(--tinta);font-variant-numeric:tabular-nums}
.cifra strong small{font-size:22px;font-weight:500;margin-left:2px}
.cifra span{display:block;margin-top:10px;color:var(--gris);font-size:15.5px;line-height:1.4}
@media (max-width:860px){.cifras{grid-template-columns:1fr 1fr}}

/* bloque foto + texto */
.dos{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.dos-inv>.dos-txt{order:2}
.dos-img{border-radius:12px;overflow:hidden}
.dos-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.dos-txt h2{margin-bottom:16px}
.dos-txt p{color:var(--gris)}
.dos-txt .btn{margin-top:8px}
@media (max-width:860px){.dos{grid-template-columns:1fr;gap:28px}.dos-inv>.dos-txt{order:0}}

/* listas con tilde */
.lista-tilde{list-style:none;padding:0;margin:0 0 1rem}
.lista-tilde li{position:relative;padding-left:30px;margin-bottom:10px}
.lista-tilde li::before{
  content:"";position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;
  background:var(--verde-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='none' stroke='%232F6A28' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round' d='M5 10.5l3 3 7-7'/%3E%3C/svg%3E") center/13px no-repeat;
}

/* clientes */
.clientes-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.cliente{
  display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--linea);
  border-radius:var(--radio);padding:18px 20px;min-height:92px;
}
.cliente img{width:100%;max-width:150px;max-height:56px;object-fit:contain;filter:grayscale(1);opacity:.78;transition:opacity .15s,filter .15s}
.cliente:hover img{filter:none;opacity:1}
@media (max-width:960px){.clientes-grid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:560px){.clientes-grid{grid-template-columns:repeat(3,1fr);gap:10px}.cliente{padding:12px;min-height:72px}.cliente img{max-height:40px}}

/* tarjetas de servicios (página /servicios/ y relacionados) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cards-2{grid-template-columns:repeat(2,1fr)}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--linea);border-radius:12px;
  overflow:hidden;text-decoration:none;color:var(--tinta);transition:box-shadow .15s,border-color .15s;
}
.card:hover{border-color:var(--verde);box-shadow:0 12px 34px rgba(20,33,26,.10);color:var(--tinta)}
.card img{aspect-ratio:3/2;object-fit:cover;width:100%}
.card-cuerpo{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{font-size:20px}
.card p{color:var(--gris);margin:0;font-size:15.5px}
.card-mas{margin-top:auto;padding-top:10px;font-family:var(--display);font-weight:500;color:var(--verde-oscuro);font-size:15px}
@media (max-width:900px){.cards{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.cards,.cards-2{grid-template-columns:1fr}}

/* páginas interiores: cabecera */
.migas{font-size:14px;color:var(--gris);margin-bottom:22px}
.migas ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.migas li+li::before{content:"›";margin-right:6px;color:var(--gris-claro)}
.migas a{color:var(--gris);text-decoration:none}
.migas a:hover{color:var(--verde-oscuro);text-decoration:underline}
.pagina-cabeza{padding:56px 0 48px}
.pagina-cabeza .dos{align-items:center}
.pagina-cabeza h1{margin-bottom:18px}
.pagina-cabeza .lede{margin-bottom:26px}
.pagina-cabeza .dos-img img{aspect-ratio:4/3}
.pagina-cabeza-simple{padding:56px 0 40px;border-bottom:1px solid var(--linea)}
.pagina-cabeza-simple h1{margin-bottom:14px}
.pagina-cabeza-simple .lede{max-width:760px;margin-bottom:0}

/* bloques de contenido interior */
.bloque{padding:56px 0}
.bloque+.bloque{padding-top:0}
.bloque h2{margin-bottom:18px}
.bloque-2{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.bloque-2 h2{margin-bottom:18px}
@media (max-width:860px){.bloque-2{grid-template-columns:1fr;gap:24px}}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 1rem;padding:0;list-style:none}
.chips li{margin:0;padding:8px 14px;border-radius:999px;background:var(--verde-050);border:1px solid var(--verde-100);font-size:15px;color:var(--verde-900);font-weight:600}

/* tabla */
.tabla-wrap{overflow-x:auto;border:1px solid var(--linea);border-radius:var(--radio)}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:15.5px}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--linea);vertical-align:top}
th{font-family:var(--display);font-weight:600;font-size:14px;letter-spacing:.04em;text-transform:uppercase;background:var(--fondo-suave);color:var(--verde-900)}
tr:last-child td{border-bottom:none}

/* preguntas frecuentes */
.faq{border-top:1px solid var(--linea)}
.faq details{border-bottom:1px solid var(--linea)}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 40px 18px 0;position:relative;
  font-family:var(--display);font-weight:500;font-size:18px;line-height:1.3;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:4px;top:14px;font-size:26px;line-height:1;color:var(--verde-oscuro);font-weight:400;
}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--gris);padding-bottom:18px;max-width:70ch}

/* llamado final */
.cta{background:var(--verde-900);color:#fff}
.cta .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;padding-top:64px;padding-bottom:64px}
.cta h2{color:#fff;margin-bottom:12px}
.cta p{color:#D6E2D2;margin:0;font-size:18px}
.cta-btns{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-btns .btn{width:100%}
.cta-btns .btn-claro{border-color:rgba(255,255,255,.45)}
@media (max-width:820px){.cta .wrap{grid-template-columns:1fr;gap:24px}}

/* contacto */
.contacto-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
@media (max-width:900px){.contacto-grid{grid-template-columns:1fr;gap:36px}}
.datos{list-style:none;padding:0;margin:0 0 1.5rem}
.datos li{display:grid;grid-template-columns:26px 1fr;gap:12px;margin-bottom:16px;align-items:start}
.datos svg{width:22px;height:22px;color:var(--verde-oscuro);margin-top:2px}
.datos strong{display:block;font-family:var(--display);font-weight:600;font-size:15px;color:var(--gris);text-transform:uppercase;letter-spacing:.06em;margin-bottom:2px}
.datos a{color:var(--tinta);text-decoration:none;font-size:18px}
.datos a:hover{color:var(--verde-oscuro);text-decoration:underline}
.mapa{border-radius:12px;overflow:hidden;border:1px solid var(--linea);margin-top:8px}
.mapa iframe{display:block;width:100%;height:300px;border:0}
.form{background:#fff;border:1px solid var(--linea);border-radius:12px;padding:32px}
.form h2{font-size:26px;margin-bottom:6px}
.form>p{color:var(--gris);margin-bottom:22px}
.campo{margin-bottom:16px}
.campo label{display:block;font-family:var(--display);font-weight:500;font-size:15px;margin-bottom:6px}
.campo input,.campo select,.campo textarea{
  width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid var(--linea);border-radius:var(--radio);
  background:#fff;color:var(--tinta);
}
.campo input:focus,.campo select:focus,.campo textarea:focus{border-color:var(--verde);outline:none;box-shadow:0 0 0 3px var(--verde-100)}
.campo textarea{min-height:120px;resize:vertical}
.campo-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.campo-2{grid-template-columns:1fr}}
.form-nota{font-size:14px;color:var(--gris);margin-top:14px}
.form-estado{display:none;margin-top:16px;padding:14px 16px;border-radius:var(--radio);font-size:15.5px}
.form-estado.ok{display:block;background:var(--verde-050);border:1px solid var(--verde-100);color:var(--verde-900)}
.form-estado.error{display:block;background:#FBEEE2;border:1px solid #F1CFAE;color:#7A4A10}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

/* pie */
.pie{background:var(--oscuro);color:var(--oscuro-texto);font-size:15px}
.pie .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-top:56px;padding-bottom:40px}
.pie-logo img{height:40px;width:auto;margin-bottom:16px}
.pie p{color:#AAB8AC;margin:0 0 .6rem;max-width:34ch}
.pie h4{color:#fff;font-size:14px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.pie ul{list-style:none;padding:0;margin:0}
.pie li{margin-bottom:9px}
.pie a{color:var(--oscuro-texto);text-decoration:none}
.pie a:hover{color:#fff;text-decoration:underline}
.pie-bajo{border-top:1px solid rgba(255,255,255,.12)}
.pie-bajo .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 24px;font-size:13.5px;color:#8FA093}
@media (max-width:900px){.pie .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.pie .wrap{grid-template-columns:1fr;gap:28px}}

/* botón flotante de WhatsApp */
.wa-flotante{
  position:fixed;right:18px;bottom:18px;z-index:40;width:54px;height:54px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.22);text-decoration:none;
}
.wa-flotante svg{width:30px;height:30px}
.wa-flotante:hover{background:#1FB558;color:#fff}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.topbar,.head-burger,.wa-flotante,.cta,.pie{display:none}}

/* variantes */
.cifras-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:860px){.cifras-3{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.cifras,.cifras-3{grid-template-columns:1fr}}
.pagina-cabeza .hero-btns{margin-top:4px}
.card-cuerpo{text-decoration:none}
.card span.card-cuerpo h3{margin:0}
.datos .datos-txt{color:var(--tinta);font-size:18px}