:root{
  --verde-900:#1c3d20;
  --verde-800:#256b32;
  --verde-700:#2f7d3c;
  --verde-600:#4a9a3f;
  --verde-500:#6fb245;
  --verde-100:#eaf5e6;
  --verde-50:#f4faf1;
  --azul-bio:#1f7aa6;
  --azul-bio-dark:#155a7d;
  --carbon:#20241f;
  --texto:#33362f;
  --texto-suave:#5b6155;
  --borde:#e2e8dc;
  --blanco:#ffffff;
  --sombra:0 10px 30px rgba(28,61,32,.12);
  --sombra-sm:0 4px 14px rgba(28,61,32,.10);
  --radio:14px;
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--texto);
  background:var(--blanco);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:"Segoe UI",Roboto,sans-serif;font-weight:800;line-height:1.15;margin:0 0 .55em}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{padding:52px 0}
@media(min-width:900px){section{padding:80px 0}}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--verde-700);background:var(--verde-100);
  padding:6px 13px;border-radius:999px;margin-bottom:14px;
}
.eyebrow.azul{color:var(--azul-bio-dark);background:#e7f3f9}

.section-head{max-width:680px;margin:0 0 30px}
.section-head.center{margin:0 auto 34px;text-align:center}
.section-head h2{font-size:clamp(1.5rem,3.4vw,2.15rem)}
.section-head p{color:var(--texto-suave);font-size:1rem}

/* Botones */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.95rem;
  text-decoration:none;border:2px solid transparent;cursor:pointer;transition:.2s ease;
  white-space:nowrap;
}
.btn-wpp{background:#25D366;color:#fff;box-shadow:0 8px 20px rgba(37,211,102,.32)}
.btn-wpp:hover{background:#1ebe5b;transform:translateY(-1px)}
.btn-outline{border-color:var(--verde-700);color:var(--verde-800);background:transparent}
.btn-outline:hover{background:var(--verde-100)}
.btn-outline.azul{border-color:var(--azul-bio);color:var(--azul-bio-dark)}
.btn-outline.azul:hover{background:#e7f3f9}
.btn-white{background:#fff;color:var(--verde-800)}
.btn-white:hover{background:var(--verde-50)}
.btn-sm{padding:9px 17px;font-size:.85rem}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--borde);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.nav-links a{text-decoration:none;color:var(--texto);font-weight:600;font-size:.92rem}
.nav-links a:hover{color:var(--verde-700)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--verde-900);padding:4px 8px}

@media(max-width:880px){
  .nav-links{
    position:fixed;top:57px;left:0;right:0;background:#fff;border-bottom:1px solid var(--borde);
    flex-direction:column;align-items:flex-start;gap:0;padding:6px 20px 16px;
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:.2s ease;
    max-height:calc(100vh - 57px);overflow-y:auto;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links li{width:100%;border-bottom:1px solid var(--borde)}
  .nav-links a{display:block;padding:13px 0}
  .nav-toggle{display:block}
  .nav-cta .btn-outline{display:none}
}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,var(--verde-900) 0%,var(--verde-800) 45%,var(--verde-700) 100%);
  color:#fff;padding:0;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;
  padding:44px 0 28px;
}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;padding:32px 0 8px;text-align:center}}
.hero h1{font-size:clamp(1.7rem,4.6vw,2.9rem);color:#fff;letter-spacing:-.01em}
.hero h1 em{color:var(--verde-500);font-style:normal}
.hero p.lead{font-size:1.02rem;color:#e6f1e2;max-width:520px}
@media(max-width:960px){.hero p.lead{margin-left:auto;margin-right:auto}}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
@media(max-width:960px){.hero-cta{justify-content:center}}

.trust-strip{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
@media(max-width:960px){.trust-strip{justify-content:center}}
.trust-badge{
  display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:8px 14px;
  font-size:.8rem;color:#eaf5e6;font-weight:600;
}
.trust-badge .ico{font-size:1rem}

.hero-media{position:relative;padding-bottom:8px}
.hero-media img{border-radius:var(--radio);box-shadow:0 24px 50px rgba(0,0,0,.32)}
@media(max-width:960px){.hero-media{max-width:440px;margin:0 auto}}

/* Quick jump strip under hero */
.quick-jump{background:var(--verde-900);border-top:1px solid rgba(255,255,255,.12)}
.quick-jump .container{display:flex;gap:10px;padding:12px 20px;overflow-x:auto;scrollbar-width:none}
.quick-jump .container::-webkit-scrollbar{display:none}
.quick-jump a{
  flex:none;font-size:.82rem;font-weight:700;color:#dcefd6;text-decoration:none;
  padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.08);white-space:nowrap;
}
.quick-jump a:hover{background:rgba(255,255,255,.16);color:#fff}

/* ===== Productos: tabs ===== */
.bg-soft{background:var(--verde-50)}
.tabs-nav{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.tab-btn{
  display:flex;align-items:center;gap:10px;padding:12px 22px;border-radius:999px;
  border:2px solid var(--borde);background:#fff;cursor:pointer;font-weight:700;font-size:.95rem;
  color:var(--texto-suave);transition:.15s ease;
}
.tab-btn img{height:22px;width:22px;object-fit:contain;opacity:.7}
.tab-btn[aria-selected="true"]{border-color:var(--verde-700);color:var(--verde-800);background:var(--verde-100)}
.tab-btn[aria-selected="true"] img{opacity:1}
.tab-btn.bio[aria-selected="true"]{border-color:var(--azul-bio);color:var(--azul-bio-dark);background:#e7f3f9}

.tab-panel[hidden]{display:none}

.prod-hero{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;margin-bottom:38px}
@media(max-width:860px){.prod-hero{grid-template-columns:1fr;gap:22px}}
.prod-hero-media{border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra)}
.prod-hero-media img{width:100%}
.prod-hero-copy .tagline{font-size:1.05rem;color:var(--texto-suave)}
.prod-hero-copy .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}

/* pasos compactos en fila */
.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}
@media(max-width:700px){.steps-row{grid-template-columns:1fr}}
.step-chip{
  background:#fff;border:1px solid var(--borde);border-radius:12px;padding:16px;
  display:flex;gap:12px;align-items:flex-start;
}
.step-chip .num{
  flex:none;width:30px;height:30px;border-radius:50%;background:var(--verde-700);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.82rem;
}
.tab-panel.bio .step-chip .num{background:var(--azul-bio)}
.step-chip h4{margin:0 0 2px;font-size:.92rem}
.step-chip p{margin:0;color:var(--texto-suave);font-size:.82rem;line-height:1.4}

/* beneficios en chips */
.benef-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.benef-chip{
  display:flex;align-items:baseline;gap:8px;background:var(--verde-100);border-radius:12px;
  padding:11px 16px;
}
.tab-panel.bio .benef-chip{background:#e7f3f9}
.benef-chip b{font-size:1.15rem;color:var(--verde-700);font-weight:800}
.tab-panel.bio .benef-chip b{color:var(--azul-bio-dark)}
.benef-chip span{font-size:.78rem;color:var(--texto-suave);max-width:130px}

/* ficha tecnica colapsable */
details.specs-details{margin:22px 0;border:1px solid var(--borde);border-radius:12px;overflow:hidden}
details.specs-details summary{
  list-style:none;cursor:pointer;padding:14px 18px;display:flex;align-items:center;
  justify-content:space-between;font-weight:700;font-size:.92rem;background:#fff;
}
details.specs-details summary::-webkit-details-marker{display:none}
details.specs-details summary::after{content:"+";font-size:1.2rem;color:var(--verde-700);font-weight:700}
details.specs-details[open] summary::after{content:"–"}
.specs{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--borde);border-top:1px solid var(--borde)}
@media(max-width:520px){.specs{grid-template-columns:1fr}}
.specs div{display:flex;justify-content:space-between;gap:10px;font-size:.83rem;padding:10px 18px;background:#fff}
.specs div b{color:var(--texto);font-weight:700}
.specs div span{color:var(--texto-suave);text-align:right}

.aplicaciones-line{font-size:.9rem;color:var(--texto-suave);margin-top:18px}
.aplicaciones-line b{color:var(--texto)}

/* video gallery compacta */
.video-strip{display:flex;gap:12px;overflow-x:auto;padding:4px 2px 10px;scroll-snap-type:x mandatory}
.video-strip::-webkit-scrollbar{height:6px}
.video-strip::-webkit-scrollbar-thumb{background:var(--borde);border-radius:3px}
.video-card{
  flex:none;width:150px;scroll-snap-align:start;background:#0e1a12;border-radius:12px;overflow:hidden;
  box-shadow:var(--sombra-sm);
}
.video-card video{width:100%;display:block;aspect-ratio:9/16;object-fit:cover;background:#000}
.video-card figcaption{color:#dcefd6;font-size:.72rem;padding:8px 10px;background:var(--verde-900);line-height:1.3}

.placeholder-media{
  border:2px dashed var(--borde);border-radius:var(--radio);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  padding:26px 18px;text-align:center;color:var(--texto-suave);background:var(--verde-50);
}
.placeholder-media .icon{font-size:1.5rem}
.placeholder-media strong{color:var(--texto);font-size:.9rem}
.placeholder-media p{margin:0;font-size:.82rem}

/* Casos de aplicacion — carrusel */
.casos-carousel{
  display:flex;gap:16px;overflow-x:auto;padding:6px 2px 16px;scroll-snap-type:x mandatory;
  margin:0 -4px;
}
.casos-carousel::-webkit-scrollbar{height:6px}
.casos-carousel::-webkit-scrollbar-thumb{background:var(--borde);border-radius:3px}
.caso-card{
  flex:none;width:250px;scroll-snap-align:start;background:#fff;border:1px solid var(--borde);
  border-radius:var(--radio);padding:18px;display:flex;flex-direction:column;gap:8px;
}
.caso-card .sector{font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;font-weight:700;color:var(--verde-700)}
.caso-card h4{margin:0;font-size:.98rem}
.caso-card p{margin:0;font-size:.85rem;color:var(--texto-suave)}
.caso-card .resultado{margin-top:auto;font-size:.8rem;font-weight:700;color:var(--verde-800);background:var(--verde-100);padding:7px 11px;border-radius:8px}
.caso-card.real{border-color:var(--verde-600);background:var(--verde-50)}
.nota-disclaimer{
  margin-top:16px;font-size:.78rem;color:var(--texto-suave);background:var(--verde-50);
  border:1px dashed var(--borde);border-radius:10px;padding:12px 15px;
}

/* Quienes somos — compacto al final */
.about-compact{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
@media(max-width:860px){.about-compact{grid-template-columns:1fr;gap:24px}}
.valores-inline{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.valor-chip{
  display:flex;align-items:center;gap:7px;background:var(--verde-50);border:1px solid var(--borde);
  border-radius:999px;padding:8px 14px;font-size:.82rem;font-weight:600;color:var(--texto);
}
.quote-block{
  background:var(--verde-900);color:#fff;border-radius:var(--radio);padding:26px;
}
.quote-block p{font-size:1.02rem;font-style:italic;color:#eef6ea;margin-bottom:12px}
.quote-block footer{font-size:.8rem;color:#bcd6b5;font-style:normal}

/* CTA final */
.cta-final{
  background:linear-gradient(135deg,var(--verde-800),var(--azul-bio-dark));
  color:#fff;border-radius:var(--radio);padding:44px 28px;text-align:center;
}
.cta-final h2{color:#fff;font-size:clamp(1.4rem,3vw,1.9rem)}
.cta-final p{color:#e7f3e7;max-width:520px;margin:0 auto 22px}
.cta-final .hero-cta{justify-content:center}

/* Footer */
.site-footer{background:var(--carbon);color:#cfd6c9;padding:44px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h5{color:#fff;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.footer-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-grid a{color:#cfd6c9;text-decoration:none;font-size:.88rem}
.footer-grid a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand img{height:30px;filter:brightness(0) invert(1);opacity:.9}
.footer-brand span{color:#fff;font-weight:800}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.78rem;color:#8fa085;
}

/* WhatsApp float button */
.wpp-float{
  position:fixed;right:18px;bottom:18px;z-index:200;
  width:56px;height:56px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 10px 26px rgba(0,0,0,.28);text-decoration:none;
}
.wpp-float svg{width:28px;height:28px}

.skip-link{position:absolute;left:-999px;top:0;background:#fff;padding:10px 16px;z-index:999}
.skip-link:focus{left:10px;top:10px}