/* ============================================================
   LACTEL HEALTHY — Sistema de diseño
   Tipografía: Dosis · Paleta corporativa Lactel
   ============================================================ */

:root{
  /* Paleta corporativa */
  --lactel:#171B60;      /* azul institucional */
  --lactel-700:#22276f;
  --lactel-300:#5b61a8;
  --amor:#B80C4B;        /* magenta */
  --amor-600:#9a0a3f;
  --familia:#B7CBEA;     /* azul claro */
  --familia-soft:#E3ECF8;
  --campos:#47763B;      /* verde campo */
  --calidad:#FFA400;     /* naranja */
  --rojo:#C8102E;        /* rojo certificación FSSC */
  --general:#D0CFCD;     /* gris */

  --accent:var(--amor);  /* acento principal (tweakable) */

  --ink:#171B60;
  --ink-soft:#4b4f73;
  --muted:#8a8ea8;
  --line:#e7e9f0;

  --bg:#ffffff;
  --bg-alt:#f4f5f7;      /* gris muy claro de las láminas de marca */
  --bg-blue:#eef3fb;

  --r-sm:12px;
  --r:20px;
  --r-lg:30px;
  --r-pill:999px;

  --shadow-sm:0 2px 10px rgba(23,27,96,.06);
  --shadow:0 18px 50px -18px rgba(23,27,96,.28);
  --shadow-lg:0 40px 90px -30px rgba(23,27,96,.40);

  --maxw:1220px;
  --gut:clamp(20px,5vw,64px);

  --ff:'Dosis',system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--ff);
  color:var(--ink);
  background:var(--bg);
  font-weight:500;
  line-height:1.55;
  font-size:18px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}

/* ---------- Tipografía ---------- */
h1,h2,h3,h4{line-height:1.05;font-weight:800;letter-spacing:-.01em;color:var(--lactel)}
.display{font-size:clamp(44px,6.4vw,86px);font-weight:800;letter-spacing:-.02em}
h2.sec-title{font-size:clamp(32px,4.2vw,54px);font-weight:800}
h3{font-size:clamp(22px,2.4vw,30px);font-weight:700}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:15px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);
}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:3px;background-color:var(--accent)}
.lead{font-size:clamp(18px,2vw,22px);color:var(--ink-soft);font-weight:500;max-width:60ch}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
section{position:relative}
.sec-pad{padding-block:clamp(72px,10vw,128px)}
.center{text-align:center;margin-inline:auto}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 28px;border-radius:var(--r-pill);
  font-weight:700;font-size:17px;letter-spacing:.01em;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s,background .2s,color .2s;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{background-color:var(--accent);color:#fff;box-shadow:0 12px 28px -10px color-mix(in srgb,var(--accent) 70%,transparent)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 38px -12px color-mix(in srgb,var(--accent) 75%,transparent)}
.btn-navy{background:var(--lactel);color:#fff}
.btn-navy:hover{transform:translateY(-3px);background:var(--lactel-700)}
.btn-ghost{background:#fff;color:var(--lactel);box-shadow:inset 0 0 0 2px var(--line)}
.btn-ghost:hover{box-shadow:inset 0 0 0 2px var(--lactel);transform:translateY(-3px)}
.btn-wa{background:#25D366;color:#fff}
.btn-wa:hover{transform:translateY(-3px);filter:brightness(1.04)}

/* ============================================================
   HEADER
   ============================================================ */
header.site{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .3s,box-shadow .3s,padding .3s;
  padding-block:16px;
}
header.site.scrolled{background:rgba(255,255,255,.86);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line),0 10px 30px -20px rgba(23,27,96,.35);padding-block:10px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand .ic{width:46px;height:34px;object-fit:contain;transition:transform .4s}
.brand:hover .ic{transform:rotate(-6deg) scale(1.05)}
.brand .wm{height:26px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:9px 16px;border-radius:var(--r-pill);font-weight:600;font-size:16.5px;color:var(--lactel);
  transition:background .2s,color .2s;
}
.nav-links a:hover{background:var(--bg-alt)}
.nav-actions{display:flex;align-items:center;gap:12px}
.burger{display:none;flex-direction:column;gap:5px;padding:10px}
.burger span{width:24px;height:2.5px;background:var(--lactel);border-radius:3px;transition:.3s}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  padding-top:clamp(120px,16vw,168px);padding-bottom:clamp(40px,6vw,72px);
  position:relative;overflow:hidden;isolation:isolate;
  /* Imagen de vacas como fondo FIJO: pegada al viewport (no se mueve al hacer scroll),
     se pinta sólo dentro del hero, y la siguiente sección la va tapando al subir.
     Velo blanco encima para mantener legible el texto. Un fondo nunca bloquea clicks. */
  background-image:
    linear-gradient(to right,
      rgba(255,255,255,.97) 0%,
      rgba(255,255,255,.95) 40%,
      rgba(255,255,255,.78) 52%,
      rgba(255,255,255,.34) 70%,
      rgba(255,255,255,.14) 100%),
    url('assets/cows-pasture.jpg');
  background-repeat:no-repeat,no-repeat;
  background-size:cover,cover;
  background-position:center,center 35%;
  background-attachment:fixed,fixed;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,600px);gap:48px;align-items:center;position:relative;z-index:1}
.hero-copy .display{margin:18px 0 0}
.hero-copy .display .pink{color:var(--accent)}
.hero-copy .lead{margin-top:22px}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:42px;flex-wrap:wrap}
.hero-stats .st b{display:block;font-size:38px;font-weight:800;color:var(--lactel);line-height:1}
.hero-stats .st span{font-size:15px;color:var(--muted);font-weight:600}
.hero-art{position:relative;display:flex;justify-content:center;align-items:center;min-height:480px}
.hero-art .blob{
  position:absolute;border-radius:50%;filter:blur(8px);z-index:0;
}
.blob-1{width:430px;height:430px;background:radial-gradient(circle at 30% 30%,#fce0ec,#f6c7da 60%,transparent 72%);top:6%;left:8%}
.blob-2{width:300px;height:300px;background:radial-gradient(circle at 40% 40%,#dbe7fb,#c3d6f3 60%,transparent 72%);bottom:2%;right:4%}
.hero-art img.pack{position:relative;z-index:2;max-height:560px;width:auto;filter:drop-shadow(0 40px 50px rgba(23,27,96,.22))}
.hero-badge{
  position:absolute;z-index:3;background:#fff;border-radius:var(--r);padding:14px 18px;
  box-shadow:var(--shadow);display:flex;align-items:center;gap:12px;font-weight:700;font-size:15px;color:var(--lactel)
}
.hero-badge .dot{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#fff;flex:none}
.hero-badge .txt{display:flex;flex-direction:column;line-height:1.25}
.hero-badge .txt b{font-weight:700;font-size:15px;white-space:nowrap;color:var(--lactel)}
.hero-badge.b1{top:14%;left:-2%}
.hero-badge.b2{bottom:12%;right:-3%}
.hero-badge small{font-weight:600;font-size:12.5px;color:var(--muted);white-space:nowrap}

/* franja certificaciones / logos */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-alt)}
.trust .wrap{display:flex;align-items:center;gap:clamp(20px,4vw,56px);justify-content:space-between;padding-block:24px;flex-wrap:wrap}
.trust .t-item{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--lactel);font-size:16px}
.trust .t-item svg{width:26px;height:26px;color:var(--accent);flex:none}

/* ============================================================
   DIFERENCIADORES
   ============================================================ */
.dif-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:54px}
.dif{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 24px;
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.dif:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.dif .ic{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;margin-bottom:18px;color:#fff}
.dif .ic svg{width:27px;height:27px}
.dif h4{font-size:20px;font-weight:700;margin-bottom:6px}
.dif p{font-size:15.5px;color:var(--ink-soft);font-weight:500;line-height:1.5}

/* ============================================================
   NOSOTROS
   ============================================================ */
.about{background:var(--bg-blue)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:center}
.about-art{position:relative}
.about-art .frame{border-radius:var(--r-lg);overflow:hidden;background:linear-gradient(160deg,#fff,#eef3fb);box-shadow:var(--shadow);aspect-ratio:4/5;display:grid;place-items:center;padding:6%}
.about-art .frame img{max-height:100%;width:auto;filter:drop-shadow(0 26px 34px rgba(23,27,96,.2))}
.mv{display:grid;gap:18px;margin-top:30px}
.mv .card{background:#fff;border-radius:var(--r);padding:24px 26px;box-shadow:var(--shadow-sm);border-left:5px solid var(--accent)}
.mv .card.green{border-left-color:var(--campos)}
.mv .card h4{font-size:19px;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.mv .card p{font-size:16px;color:var(--ink-soft);font-weight:500}

/* ============================================================
   BENEFICIOS
   ============================================================ */
.ben-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:54px}
.ben{padding:34px 30px;border-radius:var(--r-lg);background:var(--bg-alt);transition:transform .3s,box-shadow .3s}
.ben:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.ben .num{font-size:15px;font-weight:800;letter-spacing:.1em;color:var(--accent)}
.ben h3{font-size:24px;margin:14px 0 8px}
.ben p{font-size:16px;color:var(--ink-soft);font-weight:500}
@media(max-width:1080px){.ben-grid{grid-template-columns:repeat(2,1fr)}}

/* ============================================================
   PRODUCTOS
   ============================================================ */
.products{background:var(--bg-alt)}
.prod-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:54px}
.card-prod{
  background:#fff;border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);transition:transform .35s,box-shadow .35s;position:relative;
}
.card-prod:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.card-prod .ph{
  position:relative;aspect-ratio:5/4;display:grid;place-items:center;padding:26px;
  background:radial-gradient(120% 120% at 50% 25%,#ffffff,#eef2f9);
}
.card-prod .ph img{position:absolute;top:26px;left:26px;width:calc(100% - 52px);height:calc(100% - 52px);object-fit:contain;transition:transform .45s cubic-bezier(.2,.7,.3,1);filter:drop-shadow(0 18px 22px rgba(23,27,96,.16))}
.card-prod .ph.fill img{top:10px;left:14px;width:calc(100% - 28px);height:calc(100% - 20px)}
.card-prod:hover .ph img{transform:scale(1.06) rotate(-1.5deg)}
.card-prod .size{
  position:absolute;top:16px;left:16px;background:var(--lactel);color:#fff;
  font-weight:800;font-size:15px;padding:7px 14px;border-radius:var(--r-pill);letter-spacing:.02em;
}
.card-prod .tag{
  position:absolute;top:16px;right:16px;background:color-mix(in srgb,var(--accent) 14%,#fff);
  color:var(--accent);font-weight:700;font-size:13px;padding:6px 12px;border-radius:var(--r-pill);
}
.card-prod .body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.card-prod .body h3{font-size:23px;margin-bottom:4px}
.card-prod .body .fmt{font-size:14.5px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.flavors{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0 22px}
.flavors span{
  font-size:13.5px;font-weight:600;color:var(--ink-soft);
  background:var(--bg-alt);border:1px solid var(--line);padding:5px 11px;border-radius:var(--r-pill);
}
.flavors span.dot::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:middle;background-color:var(--flav,var(--accent))}
.card-prod .cta-row{margin-top:auto;display:flex;gap:10px;align-items:center}
.btn-cot{flex:1;justify-content:center;background:var(--lactel);color:#fff;padding:13px 18px;border-radius:var(--r-pill);font-weight:700;transition:.25s}
.btn-cot:hover{background-color:var(--accent)}

/* ============================================================
   CALIDAD / CERTIFICACIÓN
   ============================================================ */
.calidad{background:var(--lactel);color:#fff;overflow:hidden;position:relative}
.calidad .wrap{position:relative;z-index:2}
.calidad .pat{position:absolute;inset:0;opacity:.09;background-size:300px;z-index:1}
.calidad h2{color:#fff}
.cal-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:center}
.cal-list{display:grid;gap:18px;margin-top:30px}
.cal-list li{display:flex;gap:16px;align-items:flex-start}
.cal-list .n{flex:none;width:36px;height:36px;border-radius:11px;background:var(--accent);color:#fff;font-weight:800;display:grid;place-items:center;font-size:18px}
.cal-list p{color:#cfd3ee;font-weight:500;font-size:16.5px}
.cal-list b{color:#fff;font-weight:700}
.cal-badge{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);
  padding:48px;text-align:center;backdrop-filter:blur(4px);
}
.cal-badge .fssc-disc{
  width:196px;height:196px;border-radius:50%;margin:0 auto 24px;
  background:#fff;display:grid;place-items:center;padding:14px;
  box-shadow:0 14px 34px rgba(0,0,0,.28);
}
.cal-badge .fssc-disc img{width:100%;height:100%;object-fit:contain;display:block}
.cal-badge h3{color:#fff;font-size:26px}
.cal-badge p{color:#cfd3ee;font-size:16px;font-weight:500;margin-top:8px}

/* ============================================================
   PROCESO DE COMPRA
   ============================================================ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:54px;position:relative}
.step{position:relative;padding:30px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--r);transition:transform .3s,box-shadow .3s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step .n{width:56px;height:56px;border-radius:50%;background:var(--bg-alt);color:var(--lactel);display:grid;place-items:center;margin-bottom:18px;border:2px solid var(--line)}
.step .n svg{width:28px;height:28px}
.step:hover .n{background:var(--accent);color:#fff;border-color:var(--accent)}
.step h4{font-size:18px;margin-bottom:6px}
.step p{font-size:15px;color:var(--ink-soft);font-weight:500;line-height:1.5}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact{background:var(--bg-blue)}
.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(36px,5vw,64px);align-items:start}
.contact-info .ci{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line)}
.contact-info .ci:last-child{border-bottom:none}
.contact-info .ci .ic{flex:none;width:48px;height:48px;border-radius:14px;background:#fff;box-shadow:var(--shadow-sm);display:grid;place-items:center;color:var(--accent)}
.contact-info .ci .ic svg{width:22px;height:22px}
.contact-info .ci h4{font-size:15px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
.contact-info .ci a,.contact-info .ci p{font-size:19px;font-weight:700;color:var(--lactel);line-height:1.35}
.contact-info .ci a:hover{color:var(--accent)}
.wa-cta{margin-top:24px}

.form-card{background:#fff;border-radius:var(--r-lg);padding:clamp(28px,4vw,44px);box-shadow:var(--shadow)}
.form-card h3{font-size:28px;margin-bottom:6px}
.form-card .sub{color:var(--ink-soft);font-weight:500;margin-bottom:26px}
.field{margin-bottom:18px}
.field.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--lactel);margin-bottom:7px;letter-spacing:.01em}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:16.5px;font-weight:500;color:var(--ink);
  background:var(--bg-alt);border:2px solid transparent;border-radius:var(--r-sm);padding:14px 16px;
  transition:border-color .2s,background .2s;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.field input::placeholder,.field textarea::placeholder{color:var(--muted)}
.form-card .btn-primary{width:100%;justify-content:center;margin-top:6px;font-size:18px;padding:17px}
.form-note{font-size:13.5px;color:var(--muted);text-align:center;margin-top:14px;font-weight:500}
.form-ok{
  display:none;text-align:center;padding:30px 10px;
}
.form-ok.show{display:block;animation:pop .4s cubic-bezier(.2,.8,.3,1.2)}
.form-ok .check{width:74px;height:74px;border-radius:50%;background:var(--campos);display:grid;place-items:center;margin:0 auto 18px}
.form-ok .check svg{width:38px;height:38px;color:#fff}
.form-ok h3{font-size:28px}
.form-ok p{color:var(--ink-soft);font-weight:500;margin-top:8px}
@keyframes pop{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}

/* ============================================================
   FOOTER
   ============================================================ */
footer.site{background:var(--lactel);color:#fff;padding-block:clamp(56px,8vw,84px) 30px;position:relative;overflow:hidden}
footer.site .pat{position:absolute;inset:0;opacity:.07;background-size:280px}
footer.site .wrap{position:relative;z-index:2}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;align-items:start;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.14)}
.foot-brand .wm{height:34px;margin-bottom:20px}
.foot-brand p{color:#cfd3ee;font-weight:500;max-width:38ch;font-size:16px}
.foot-col h5{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--familia);margin-bottom:16px;font-weight:700}
.foot-col a,.foot-col p{display:block;color:#dfe2f2;font-weight:500;font-size:16px;padding:6px 0;transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;flex-wrap:wrap}
.foot-bottom p{color:#9da2c9;font-size:14.5px;font-weight:500}
.foot-bottom .socials{display:flex;gap:10px}
.foot-bottom .socials a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:.25s}
.foot-bottom .socials a:hover{background:var(--accent);transform:translateY(-3px)}
.foot-bottom .socials svg{width:18px;height:18px;color:#fff}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1080px){
  .dif-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:880px){
  .nav-links{
    position:fixed;top:0;right:0;height:100dvh;width:min(82vw,340px);background:#fff;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:6px;padding:96px 24px 24px;
    transform:translateX(100%);transition:transform .35s cubic-bezier(.2,.7,.3,1);box-shadow:var(--shadow-lg);z-index:55;
  }
  .nav-links.open{transform:none}
  .nav-links a{padding:14px 16px;font-size:19px;border-bottom:1px solid var(--line);border-radius:0}
  .burger{display:flex}
  .nav-actions .btn-navy{display:none}
  .hero{background-attachment:scroll,scroll;background-position:center,center 30%}
  .hero-grid{grid-template-columns:1fr;gap:20px}
  .hero-art{min-height:auto;order:-1}
  .hero-art img.pack{max-height:380px}
  .about-grid,.cal-grid,.contact-grid{grid-template-columns:1fr}
  .about-art{max-width:440px;margin-inline:auto}
  .ben-grid{grid-template-columns:1fr}
  .ben{display:flex;gap:20px;align-items:baseline}
  .ben h3{margin-top:0}
}
@media(max-width:620px){
  body{font-size:17px}
  .dif-grid{grid-template-columns:1fr 1fr;gap:12px}
  .steps{grid-template-columns:1fr 1fr}
  .prod-grid{grid-template-columns:1fr;gap:18px}
  .field.row{grid-template-columns:1fr}
  .hero-stats{gap:22px}
  .foot-top{grid-template-columns:1fr;gap:30px}
  .trust .wrap{gap:16px}
  .hero-badge{display:none}
}
@media(max-width:400px){
  .dif-grid{grid-template-columns:1fr}
}

/* ============================================================
   ✦ CAPA DE INTERACTIVIDAD & ANIMACIONES
   ============================================================ */

/* Barra de progreso de scroll */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:90;
  background:linear-gradient(90deg,var(--accent),var(--calidad));
  box-shadow:0 0 14px color-mix(in srgb,var(--accent) 70%,transparent);
  transition:width .12s linear;border-radius:0 3px 3px 0;
}

/* Entrada del hero en cascada */
.hero-copy>*{opacity:0;transform:translateY(26px);animation:heroIn .9s cubic-bezier(.2,.7,.3,1) forwards}
.hero-copy .eyebrow{animation-delay:.05s}
.hero-copy .display{animation-delay:.18s}
.hero-copy .lead{animation-delay:.34s}
.hero-copy .hero-cta{animation-delay:.48s}
.hero-copy .hero-stats{animation-delay:.6s}
@keyframes heroIn{to{opacity:1;transform:none}}

/* Orbes flotantes del hero */
.hero-orbs{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.hero-orbs .orb{position:absolute;border-radius:50%;opacity:.42;filter:blur(3px);will-change:transform,translate;transition:translate .5s cubic-bezier(.2,.7,.3,1)}
.orb.o1{width:128px;height:128px;left:4%;top:30%;background:radial-gradient(circle at 35% 35%,#fbd5e4,#f3a9c6);animation:floatY 7s ease-in-out infinite}
.orb.o2{width:82px;height:82px;left:23%;top:62%;background:radial-gradient(circle at 35% 35%,#d7e6ff,#aecbf3);animation:floatY 9s ease-in-out infinite .6s}
.orb.o3{width:54px;height:54px;left:13%;top:13%;background:radial-gradient(circle at 35% 35%,#ffe6b8,#ffcf76);animation:floatY 6s ease-in-out infinite .3s}
.orb.o4{width:38px;height:38px;left:33%;top:34%;background:radial-gradient(circle at 35% 35%,#cdeccb,#a6d49f);animation:floatY 8s ease-in-out infinite 1s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-26px)}}

/* Botones: barrido de brillo + nudge de flecha */
.btn-primary,.btn-navy,.btn-wa{position:relative;overflow:hidden}
.btn-primary::after,.btn-navy::after,.btn-wa::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(110deg,transparent 32%,rgba(255,255,255,.5) 50%,transparent 68%);
  transform:translateX(-130%)
}
.btn-primary:hover::after,.btn-navy:hover::after,.btn-wa:hover::after{animation:sheen .8s ease}
@keyframes sheen{to{transform:translateX(130%)}}
.btn svg{transition:transform .25s cubic-bezier(.2,.7,.3,1)}
.btn-primary:hover svg{transform:translateX(4px)}

/* Burger -> X */
.burger.x span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.x span:nth-child(2){opacity:0}
.burger.x span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* Nav activo (scroll-spy) */
.nav-links a.active{background:color-mix(in srgb,var(--accent) 14%,#fff);color:var(--accent)}

/* Trust bar hover */
.trust .t-item{transition:transform .25s,color .2s}
.trust .t-item svg{transition:transform .25s cubic-bezier(.2,.7,.3,1)}
.trust .t-item:hover{transform:translateY(-3px);color:var(--accent)}
.trust .t-item:hover svg{transform:scale(1.18) rotate(-6deg)}

/* Perspectiva para tilt 3D */
.prod-grid,.dif-grid{perspective:1100px}
.card-prod,.dif{transform-style:preserve-3d;will-change:transform}

/* Banda de sabores (marquee) */
.flavor-band{background:var(--lactel);overflow:hidden;padding:16px 0;position:relative;display:flex}
.flavor-band::before,.flavor-band::after{content:"";position:absolute;top:0;bottom:0;width:90px;z-index:2;pointer-events:none}
.flavor-band::before{left:0;background:linear-gradient(90deg,var(--lactel),transparent)}
.flavor-band::after{right:0;background:linear-gradient(270deg,var(--lactel),transparent)}
.flavor-band .marquee{display:flex;width:max-content;animation:scrollX 34s linear infinite}
.flavor-band:hover .marquee{animation-play-state:paused}
.flavor-band .fl{display:inline-flex;align-items:center;gap:13px;padding:0 0 0 34px;color:#fff;font-weight:700;font-size:clamp(18px,2.1vw,23px);white-space:nowrap;letter-spacing:.01em}
.flavor-band .fl::before{content:"";width:13px;height:13px;border-radius:50%;background:var(--c);box-shadow:0 0 0 4px color-mix(in srgb,var(--c) 30%,transparent)}
.flavor-band .fl::after{content:"✦";margin-left:34px;color:rgba(255,255,255,.28);font-size:14px}
@keyframes scrollX{to{transform:translateX(-50%)}}

/* Línea conectora animada de los pasos */
@media(min-width:1081px){
  .steps::before{
    content:"";position:absolute;top:58px;left:9%;right:9%;height:3px;z-index:0;
    background:repeating-linear-gradient(90deg,var(--line) 0 12px,transparent 12px 22px);
    transform:scaleX(0);transform-origin:left;transition:transform 1.3s cubic-bezier(.4,0,.2,1)
  }
  .steps.drawn::before{transform:scaleX(1)}
  .step{position:relative;z-index:1;background:#fff}
}

/* Glow del disco FSSC */
.cal-badge .fssc-disc{animation:discGlow 3.4s ease-in-out infinite}
@keyframes discGlow{0%,100%{box-shadow:0 14px 34px rgba(0,0,0,.28)}50%{box-shadow:0 14px 50px rgba(255,164,0,.42),0 0 0 9px rgba(255,255,255,.06)}}

/* Botones flotantes (FAB) */
.fab-stack{position:fixed;right:22px;bottom:22px;z-index:75;display:flex;flex-direction:column;gap:12px;align-items:center}
.fab{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow);color:#fff;transition:transform .3s cubic-bezier(.2,.7,.3,1),opacity .3s}
.fab svg{width:24px;height:24px}
.fab:hover{transform:translateY(-4px) scale(1.07)}
.fab-wa{background:#25D366;animation:waPulse 2.6s ease-in-out infinite}
.fab-top{background:var(--lactel);opacity:0;transform:translateY(20px) scale(.8);pointer-events:none}
.fab-top.show{opacity:1;transform:none;pointer-events:auto}
@keyframes waPulse{0%,100%{box-shadow:0 8px 20px -6px rgba(37,211,102,.6),0 0 0 0 rgba(37,211,102,.5)}50%{box-shadow:0 8px 20px -6px rgba(37,211,102,.6),0 0 0 14px rgba(37,211,102,0)}}

/* Confeti del formulario */
.form-ok{position:relative;overflow:hidden}
.confetti{position:absolute;width:10px;height:14px;border-radius:2px;z-index:6;pointer-events:none;opacity:0;animation:confetti 1.3s cubic-bezier(.2,.7,.3,1) forwards}
@keyframes confetti{0%{opacity:1;transform:translate(0,0) rotate(0)}100%{opacity:0;transform:translate(var(--tx),var(--ty)) rotate(var(--rot))}}

/* Variantes direccionales de reveal */
.reveal-left{transform:translateX(-44px)}
.reveal-right{transform:translateX(44px)}
.reveal-scale{transform:scale(.92)}
.reveal-left.in,.reveal-right.in,.reveal-scale.in{transform:none}

/* Respetar reducción de movimiento */
@media (prefers-reduced-motion: reduce){
  .hero-copy>*{animation:none;opacity:1;transform:none}
  .orb,.flavor-band .marquee,.cal-badge .fssc-disc,.fab-wa{animation:none}
  .btn-primary::after,.btn-navy::after,.btn-wa::after{display:none}
}