/* ===================================================================
   AdBlue Ultra · Hoja de estilos
   Paleta: azul + verde + blanco (vibrante y limpio)
   =================================================================== */

:root{
  --azul:#0e74c4;
  --azul-osc:#0a4f8a;
  --azul-cielo:#23a6e6;
  --cian:#16c2dd;
  --verde:#46af2e;
  --verde-osc:#2c8a1e;
  --lima:#8bc53f;
  --tinta:#102f44;
  --tinta-suave:#496579;
  --gris:#eef6fb;
  --gris-borde:#e0ebf3;
  --blanco:#ffffff;

  --radio:18px;
  --radio-sm:12px;
  --radio-pill:999px;

  --sombra:0 22px 50px -24px rgba(13,80,138,.45);
  --sombra-sm:0 10px 28px -16px rgba(13,80,138,.40);
  --sombra-verde:0 16px 34px -14px rgba(58,160,46,.55);

  --grad-hero:linear-gradient(125deg,#1ba0e6 0%,#1380d6 40%,#23a55e 100%);
  --grad-verde:linear-gradient(135deg,#5ec23a 0%,#2f9e63 100%);
  --grad-azul:linear-gradient(135deg,#23a6e6 0%,#0e74c4 100%);
  --grad-azulverde:linear-gradient(120deg,#0e74c4 0%,#1799cf 55%,#46af2e 100%);

  --max:1180px;
  --fuente:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}

/* ----------- Base ----------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html.js [data-reveal]{opacity:0;transform:translateY(28px)}
body{
  font-family:var(--fuente);
  color:var(--tinta);
  background:var(--blanco);
  line-height:1.65;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3{line-height:1.18;font-weight:700;color:var(--tinta)}

/* ----------- Utilidades ----------- */
.contenedor{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.seccion{padding:84px 0}
.centrado{text-align:center}
.eyebrow{
  display:inline-block;font-weight:600;font-size:.82rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--azul);
  background:#e2f1fb;padding:7px 16px;border-radius:var(--radio-pill);margin-bottom:16px;
}
.eyebrow.verde{color:var(--verde-osc);background:#e8f6dd}
.titulo-seccion{font-size:clamp(1.7rem,3.4vw,2.5rem);margin-bottom:14px;font-weight:800}
.subtitulo-seccion{font-size:1.05rem;color:var(--tinta-suave);max-width:620px;margin:0 auto}
.grad-text{background:var(--grad-azulverde);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ----------- Botones ----------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:inherit;font-weight:600;font-size:1rem;cursor:pointer;border:none;
  padding:14px 26px;border-radius:var(--radio-pill);transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  text-align:center;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn svg{width:20px;height:20px;flex-shrink:0}
.btn-wa{background:var(--grad-verde);color:#fff;box-shadow:var(--sombra-verde)}
.btn-wa:hover{transform:translateY(-3px);box-shadow:0 20px 40px -12px rgba(58,160,46,.7)}
.btn-azul{background:var(--grad-azul);color:#fff;box-shadow:var(--sombra-sm)}
.btn-azul:hover{transform:translateY(-3px)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1.6px solid rgba(255,255,255,.7)}
.btn-ghost:hover{background:rgba(255,255,255,.24)}
.btn-outline{background:#fff;color:var(--azul);border:1.6px solid var(--gris-borde)}
.btn-outline:hover{border-color:var(--azul);transform:translateY(-3px)}
.btn-sm{padding:11px 20px;font-size:.92rem}

/* ----------- Accesibilidad ----------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip-link{position:absolute;left:14px;top:-60px;background:#fff;color:var(--azul);padding:10px 18px;border-radius:10px;z-index:2000;transition:top .2s;font-weight:600}
.skip-link:focus{top:14px}
:focus-visible{outline:3px solid var(--azul-cielo);outline-offset:3px;border-radius:6px}
.icon{width:24px;height:24px;display:inline-block;vertical-align:middle}

/* ----------- Encabezado / Navegación ----------- */
.cabecera{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s}
.cabecera.scrolled{box-shadow:0 8px 30px -18px rgba(13,80,138,.5);border-color:var(--gris-borde)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 22px;max-width:var(--max);margin:0 auto}
.marca img{height:42px;width:auto}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:9px 14px;border-radius:10px;font-weight:500;color:var(--tinta);font-size:.97rem;transition:background .2s,color .2s}
.nav-links a:hover{background:var(--gris);color:var(--azul)}
.nav-cta{display:flex;align-items:center;gap:10px}
.hamburguesa{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--azul)}
.hamburguesa svg{width:30px;height:30px}

/* ----------- Hero ----------- */
.hero{position:relative;background:var(--grad-hero);background-size:180% 180%;animation:gradMove 16s ease infinite;color:#fff;overflow:hidden;padding:74px 0 150px}
@keyframes gradMove{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(46px);opacity:.5;pointer-events:none}
.hero::before{width:420px;height:420px;background:#7fe0ff;top:-120px;right:-80px}
.hero::after{width:360px;height:360px;background:#9be86a;bottom:40px;left:-120px}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.45);padding:8px 16px;border-radius:var(--radio-pill);font-size:.86rem;font-weight:500;margin-bottom:22px}
.hero-badge svg{width:18px;height:18px}
.hero h1{font-size:clamp(2.1rem,5vw,3.6rem);font-weight:800;letter-spacing:-.5px;margin-bottom:18px;color:#fff}
.hero h1 .resalte{color:#dff8c4}
.hero p.lead{font-size:clamp(1.02rem,1.6vw,1.2rem);max-width:540px;color:rgba(255,255,255,.94);margin-bottom:30px}
.hero-acciones{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-mini{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:.92rem;color:rgba(255,255,255,.92)}
.hero-mini span{display:inline-flex;align-items:center;gap:7px}
.hero-mini svg{width:18px;height:18px;color:#dff8c4}

.hero-figura{position:relative;display:flex;justify-content:center;align-items:center;min-height:340px}
.hero-figura .glow{position:absolute;width:380px;height:380px;background:radial-gradient(circle,rgba(255,255,255,.95) 0%,rgba(255,255,255,.5) 38%,transparent 68%);border-radius:50%;z-index:1}
.hero-producto{position:relative;z-index:2;max-height:430px;width:auto;filter:drop-shadow(0 30px 30px rgba(8,50,90,.35));animation:flotar 5s ease-in-out infinite}
@keyframes flotar{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
.chip-flota{position:absolute;z-index:3;background:#fff;color:var(--tinta);border-radius:14px;padding:10px 14px;box-shadow:var(--sombra);display:flex;align-items:center;gap:10px;font-size:.86rem;font-weight:600}
.chip-flota small{display:block;font-weight:500;color:var(--tinta-suave);font-size:.74rem}
.chip-flota .pico{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
.chip-1{top:24px;left:0;animation:flotar 5s ease-in-out infinite .6s}
.chip-2{bottom:46px;right:-6px;animation:flotar 5s ease-in-out infinite 1.2s}
.hoja-flotante{position:absolute;width:64px;opacity:.85;z-index:2;animation:girar 9s ease-in-out infinite}
.hoja-1{top:30px;right:60px}
.hoja-2{bottom:90px;left:30px;width:46px;animation-delay:1.5s}
@keyframes girar{0%,100%{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-18px) rotate(8deg)}}

.hero-ola{position:absolute;left:0;right:0;bottom:-1px;z-index:2;line-height:0}
.hero-ola svg{width:100%;height:90px;display:block}

/* ----------- Marquesina ----------- */
.marquesina{background:var(--grad-azulverde);color:#fff;padding:14px 0;overflow:hidden;white-space:nowrap}
.marquesina-pista{display:inline-flex;gap:0;animation:correr 22s linear infinite}
.marquesina-pista span{display:inline-flex;align-items:center;font-weight:600;font-size:1rem;letter-spacing:.04em;padding:0 26px}
.marquesina-pista span::after{content:"●";margin-left:26px;opacity:.55;font-size:.6rem;vertical-align:middle}
@keyframes correr{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ----------- Tarjetas / Beneficios ----------- */
.grid-beneficios{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.tarjeta{background:#fff;border:1px solid var(--gris-borde);border-radius:var(--radio);padding:30px 26px;transition:transform .28s ease,box-shadow .28s ease,border-color .28s}
.tarjeta:hover{transform:translateY(-8px);box-shadow:var(--sombra);border-color:#cfe6f5}
.tarjeta .ico-circulo{width:62px;height:62px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:#fff}
.tarjeta .ico-circulo svg{width:30px;height:30px}
.ico-azul{background:var(--grad-azul)}
.ico-verde{background:var(--grad-verde)}
.tarjeta h3{font-size:1.18rem;margin-bottom:8px;font-weight:700}
.tarjeta p{color:var(--tinta-suave);font-size:.97rem}

/* ----------- Estadísticas ----------- */
.stats{background:var(--grad-azulverde);color:#fff;position:relative;overflow:hidden}
.stats::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.2),transparent 55%);pointer-events:none}
.grid-stats{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;text-align:center}
.stat .num{font-size:clamp(2.2rem,5vw,3.2rem);font-weight:800;line-height:1}
.stat .etq{font-size:1rem;color:rgba(255,255,255,.9);margin-top:8px;font-weight:500}

/* ----------- Productos ----------- */
.productos{background:var(--gris)}
.grid-productos{display:flex;flex-wrap:wrap;justify-content:center;gap:26px;margin-top:48px}
.producto{flex:1 1 430px;max-width:540px;background:#fff;border-radius:var(--radio);border:1px solid var(--gris-borde);padding:30px;display:flex;gap:26px;align-items:center;transition:transform .28s,box-shadow .28s}
.producto:hover{transform:translateY(-6px);box-shadow:var(--sombra)}
.producto-img{width:150px;height:180px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 45%,#eaf6fd,#dcecf8 70%,#fff);border-radius:16px}
.producto-img.solido{background:#fff}
.producto-img img{max-height:170px;width:auto;transition:transform .35s}
.producto:hover .producto-img img{transform:scale(1.07)}
.producto-info h3{font-size:1.35rem;margin-bottom:4px}
.producto-info .vol{color:var(--verde-osc);font-weight:700;font-size:.9rem;letter-spacing:.06em;text-transform:uppercase}
.producto-info p{color:var(--tinta-suave);font-size:.96rem;margin:8px 0 16px}
.otras{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.otra-chip{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--gris-borde);border-radius:var(--radio-pill);padding:11px 20px;font-weight:600;color:var(--tinta);font-size:.95rem}
.otra-chip svg{width:20px;height:20px;color:var(--azul)}

/* ----------- Para quién (audiencia) ----------- */
.grid-audiencia{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px}
.panel-aud{position:relative;border-radius:var(--radio);padding:38px 34px;color:#fff;overflow:hidden;min-height:230px;display:flex;flex-direction:column;justify-content:flex-end}
.panel-aud.b2b{background:var(--grad-azul)}
.panel-aud.b2c{background:var(--grad-verde)}
.panel-aud .ico-grande{position:absolute;top:26px;right:26px;opacity:.28}
.panel-aud .ico-grande svg{width:96px;height:96px}
.panel-aud h3{color:#fff;font-size:1.5rem;margin-bottom:8px}
.panel-aud p{color:rgba(255,255,255,.94);font-size:1rem;margin-bottom:20px;max-width:90%}
.panel-aud .btn{align-self:flex-start}

/* ----------- Calidad / Ficha técnica ----------- */
.calidad{background:var(--gris)}
.calidad-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-top:30px}
.sellos{display:flex;flex-wrap:wrap;gap:14px;margin:24px 0 30px}
.sello{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--gris-borde);border-radius:14px;padding:14px 18px;font-weight:700;color:var(--tinta);box-shadow:var(--sombra-sm)}
.sello svg{width:26px;height:26px;color:var(--verde)}
.sello small{display:block;font-weight:500;color:var(--tinta-suave);font-size:.76rem}
.especificaciones{background:#fff;border:1px solid var(--gris-borde);border-radius:var(--radio);padding:30px;box-shadow:var(--sombra-sm)}
.especificaciones h3{font-size:1.2rem;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.especificaciones h3 svg{width:24px;height:24px;color:var(--azul)}
.lista-spec li{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed var(--gris-borde);font-size:.97rem}
.lista-spec li:last-child{border-bottom:none}
.lista-spec .clave{color:var(--tinta-suave)}
.lista-spec .valor{font-weight:700;color:var(--tinta);text-align:right}
.docs-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ----------- Nosotros ----------- */
.nosotros-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.nosotros-img{border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra)}
.nosotros ul.puntos{margin-top:20px;display:grid;gap:14px}
.nosotros ul.puntos li{display:flex;gap:12px;align-items:flex-start;font-size:1rem}
.nosotros ul.puntos svg{width:24px;height:24px;color:var(--verde);flex-shrink:0;margin-top:2px}

/* ----------- Contacto (CTA) ----------- */
.contacto{background:var(--grad-hero);background-size:180% 180%;animation:gradMove 16s ease infinite;color:#fff;position:relative;overflow:hidden}
.contacto::before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.12);top:-140px;left:-80px;filter:blur(20px)}
.contacto-inner{position:relative;z-index:2;text-align:center}
.contacto h2{color:#fff;font-size:clamp(1.8rem,4vw,2.7rem);font-weight:800;margin-bottom:14px}
.contacto p.lead{color:rgba(255,255,255,.94);font-size:1.1rem;max-width:600px;margin:0 auto 30px}
.contacto-acciones{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:44px}
.grid-contacto{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:860px;margin:0 auto}
.contacto-card{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);border-radius:var(--radio);padding:24px;text-align:center;transition:background .2s,transform .2s}
.contacto-card:hover{background:rgba(255,255,255,.2);transform:translateY(-4px)}
.contacto-card .ci{width:50px;height:50px;border-radius:14px;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.contacto-card .ci svg{width:26px;height:26px;color:#fff}
.contacto-card h3{color:#fff;font-size:1.05rem;margin-bottom:4px}
.contacto-card p,.contacto-card a{color:rgba(255,255,255,.92);font-size:.95rem;word-break:break-word}
.contacto-card a:hover{text-decoration:underline}

/* ----------- Pie de página ----------- */
.pie{background:#0b2c47;color:#cdddea;padding:60px 0 0}
.pie-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.pie-marca .logo-pill{background:#fff;display:inline-block;padding:10px 14px;border-radius:12px;margin-bottom:16px}
.pie-marca .logo-pill img{height:34px}
.pie-marca p{font-size:.94rem;color:#9fb8cb;max-width:280px}
.pie h4{color:#fff;font-size:1.05rem;margin-bottom:16px;font-weight:600}
.pie ul li{margin-bottom:11px}
.pie ul li a,.pie ul li{font-size:.94rem;color:#a9c1d4;transition:color .2s}
.pie ul li a:hover{color:#fff}
.pie .contacto-li{display:flex;gap:10px;align-items:flex-start}
.pie .contacto-li svg{width:18px;height:18px;color:var(--lima);flex-shrink:0;margin-top:3px}
.redes{display:flex;gap:12px;margin-top:4px}
.redes a{width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;transition:background .2s,transform .2s}
.redes a:hover{background:var(--verde);transform:translateY(-3px)}
.redes svg{width:22px;height:22px;color:#fff}
.pie-abajo{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;text-align:center;font-size:.88rem;color:#8fa9bd}

/* ----------- Botones flotantes ----------- */
.flotante-wa{position:fixed;right:22px;bottom:22px;z-index:1500;width:60px;height:60px;border-radius:50%;background:var(--grad-verde);display:flex;align-items:center;justify-content:center;box-shadow:var(--sombra-verde);transition:transform .2s}
.flotante-wa:hover{transform:scale(1.08)}
.flotante-wa svg{width:32px;height:32px;color:#fff}
.flotante-wa::before{content:"";position:absolute;inset:0;border-radius:50%;background:var(--verde);opacity:.6;animation:pulso 2.4s ease-out infinite;z-index:-1}
@keyframes pulso{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.9);opacity:0}}
.subir{position:fixed;right:26px;bottom:92px;z-index:1500;width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--gris-borde);box-shadow:var(--sombra-sm);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,visibility .3s,transform .3s}
.subir.visible{opacity:1;visibility:visible;transform:translateY(0)}
.subir svg{width:24px;height:24px;color:var(--azul)}

/* ----------- Animación de aparición ----------- */
[data-reveal]{transition:opacity .7s ease,transform .7s ease}
[data-reveal].visible{opacity:1!important;transform:none!important}

/* ----------- Responsive ----------- */
@media (max-width:980px){
  .hero-grid,.calidad-grid,.nosotros-grid{grid-template-columns:1fr}
  .hero-figura{order:-1;min-height:300px}
  .grid-beneficios{grid-template-columns:repeat(2,1fr)}
  .pie-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .seccion{padding:62px 0}
  .nav-links,.nav .btn-wa{display:none}
  .nav-links.abierto{display:flex;flex-direction:column;position:absolute;top:66px;left:14px;right:14px;background:#fff;padding:14px;border-radius:16px;box-shadow:var(--sombra);align-items:stretch;gap:4px}
  .nav-links.abierto a{padding:13px 16px}
  .hamburguesa{display:inline-flex}
  .grid-stats{grid-template-columns:repeat(2,1fr);gap:30px 18px}
  .grid-productos,.grid-audiencia{grid-template-columns:1fr}
  .producto{flex-direction:column;text-align:center}
  .grid-contacto{grid-template-columns:1fr}
  .pie-grid{grid-template-columns:1fr}
  .hero-mini{font-size:.85rem}
}
@media (max-width:430px){
  .grid-beneficios{grid-template-columns:1fr}
  .producto{padding:24px}
}

/* ----------- Menos movimiento (accesibilidad) ----------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  html.js [data-reveal]{opacity:1;transform:none}
}