/* =========================================================
   Ingenieros Liberato & Asociados
   Paleta tomada del logotipo oficial:
   navy #254D76 · azul #78A8FF · azul claro #B1D3FF
   ========================================================= */

:root{
  --navy-900:#0b1f38;
  --navy-800:#0d2440;
  --navy-700:#173a5e;
  --navy:#254d76;
  --navy-400:#4a7bad;
  --blue:#78a8ff;
  --blue-300:#9dc0ff;
  --blue-200:#b1d3ff;
  --blue-50:#eef4ff;

  --ink:#12233a;
  --ink-soft:#4b5f77;
  --ink-mute:#748699;
  --line:#dfe6ef;
  --bg:#ffffff;
  --bg-tint:#f5f8fc;

  --accent:#f0a03c;

  --shell:1200px;
  --r-sm:6px;
  --r:12px;
  --r-lg:20px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-sm:0 1px 2px rgba(13,36,64,.06), 0 4px 12px rgba(13,36,64,.05);
  --shadow:0 12px 32px -12px rgba(13,36,64,.22);
  --shadow-lg:0 30px 70px -30px rgba(13,36,64,.42);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
button{font:inherit;color:inherit}
h1,h2,h3,h4{
  font-family:Jost,"Century Gothic",Futura,sans-serif;
  font-weight:600;
  line-height:1.12;
  letter-spacing:-.015em;
  margin:0;
  text-wrap:balance;
}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--navy);color:#fff;padding:.7rem 1.2rem;border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0}

:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:3px}

/* ---------- layout ---------- */
.shell{width:min(100% - 2.5rem, var(--shell));margin-inline:auto}
.section{padding:clamp(4.5rem,9vw,8rem) 0;position:relative}
.section-tint{background:var(--bg-tint)}

.section-head{max-width:60ch;margin-bottom:clamp(2.5rem,5vw,4rem)}
.section-title{font-size:clamp(1.9rem,3.6vw,3rem)}
.section-sub{margin-top:1rem;color:var(--ink-soft);font-size:1.05rem;max-width:56ch}

.eyebrow{
  font-family:Jost,sans-serif;
  font-size:.78rem;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;
  color:var(--navy-400);
  margin:0 0 .9rem;
}

/* ---------- botones ---------- */
.btn{
  --btn-bg:var(--navy);
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.72rem 1.3rem;
  background:var(--btn-bg);color:#fff;
  border:1px solid transparent;border-radius:var(--r-sm);
  font-family:Jost,sans-serif;font-size:.97rem;font-weight:500;letter-spacing:.01em;
  text-decoration:none;cursor:pointer;
  transition:transform .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn:active{transform:translateY(0)}
.btn-lg{padding:.95rem 1.7rem;font-size:1.03rem}
.btn-block{width:100%}
.btn-primary{--btn-bg:var(--navy)}
.btn-primary:hover{--btn-bg:var(--navy-700)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.6)}
.btn-whatsapp{background:#1faf54;margin-top:.5rem}
.btn-whatsapp:hover{background:#189446}
.btn-whatsapp svg{width:20px;height:20px}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(13,36,64,.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:78px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand-logo{width:auto;height:40px}

.nav{display:flex;align-items:center;gap:2rem}
.nav-list{display:flex;gap:1.7rem}
.nav-list a{
  position:relative;
  font-family:Jost,sans-serif;font-size:.96rem;font-weight:500;
  color:var(--ink-soft);text-decoration:none;
  transition:color .2s var(--ease);
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;
  background:var(--blue);transition:right .28s var(--ease);
}
.nav-list a:hover,.nav-list a.is-current{color:var(--navy)}
.nav-list a:hover::after,.nav-list a.is-current::after{right:0}
.nav-cta{padding:.6rem 1.15rem;font-size:.92rem}

.nav-toggle{
  display:none;width:44px;height:44px;
  background:none;border:1px solid var(--line);border-radius:var(--r-sm);
  cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{width:19px;height:2px;background:var(--navy);border-radius:2px;transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:960px){
  .nav-toggle{display:flex}
  .nav{
    position:fixed;inset:78px 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:1rem 1.25rem 1.6rem;
    box-shadow:var(--shadow);
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
    max-height:calc(100dvh - 78px);overflow-y:auto;
  }
  .nav.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .nav-list{flex-direction:column;gap:0}
  .nav-list a{display:block;padding:.85rem .25rem;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav-list a::after{display:none}
  .nav-cta{margin-top:1.1rem;width:100%}
}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  background:linear-gradient(165deg,var(--navy-900) 0%,var(--navy-800) 45%,var(--navy-700) 100%);
  color:#fff;
  padding:clamp(4.5rem,10vw,8rem) 0 0;
  overflow:hidden;
  isolation:isolate;
}
.hero-bg{position:absolute;inset:0;z-index:-1}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(120,168,255,.11) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,168,255,.11) 1px,transparent 1px),
    linear-gradient(rgba(120,168,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,168,255,.055) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;
  mask-image:radial-gradient(120% 90% at 30% 20%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(120% 90% at 30% 20%,#000 20%,transparent 78%);
}
.hero-glow{
  position:absolute;top:-25%;right:-15%;width:70vw;height:70vw;max-width:900px;max-height:900px;
  background:radial-gradient(circle,rgba(120,168,255,.28) 0%,transparent 62%);
  filter:blur(30px);
}
.hero-mark{
  position:absolute;right:-2%;bottom:-14%;
  width:min(46vw,560px);height:auto;
  opacity:.14;
  transform:rotate(-4deg);
  pointer-events:none;
}

.hero-inner{position:relative;max-width:900px}
.hero .eyebrow{color:var(--blue-200)}
.hero-title{
  font-size:clamp(2.4rem,6.2vw,4.6rem);
  font-weight:600;
  letter-spacing:-.025em;
  margin-bottom:1.5rem;
}
.hero-title em{font-style:normal;color:var(--blue)}
.hero-lead{
  font-size:clamp(1.05rem,1.9vw,1.28rem);
  color:rgba(233,241,252,.82);
  max-width:60ch;
  font-weight:300;
  margin-bottom:2.4rem;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem}
.hero-actions .btn-primary{background:var(--blue);color:var(--navy-900);font-weight:600}
.hero-actions .btn-primary:hover{background:var(--blue-200)}

.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;
  margin-top:clamp(3.5rem,7vw,6rem);
  background:rgba(255,255,255,.12);
  border-top:1px solid rgba(255,255,255,.12);
}
.stats li{
  background:linear-gradient(165deg,var(--navy-800),var(--navy-700));
  padding:1.8rem 1.4rem 2.2rem;
  display:flex;flex-direction:column;gap:.35rem;
}
.stat-num{
  font-family:Jost,sans-serif;font-size:clamp(2rem,3.6vw,2.9rem);font-weight:600;
  color:var(--blue);line-height:1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:.88rem;color:rgba(233,241,252,.66);letter-spacing:.01em}
@media (max-width:720px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .hero-mark{display:none}
}

/* =========================================================
   NOSOTROS
   ========================================================= */
.about-grid{
  display:grid;grid-template-columns:1.45fr .95fr;gap:clamp(2rem,5vw,4.5rem);
  align-items:start;
}
@media (max-width:920px){.about-grid{grid-template-columns:1fr}}

.about-copy .lead{font-size:1.16rem;color:var(--ink);line-height:1.6}
.about-copy p{color:var(--ink-soft)}
.about-copy .lead strong{color:var(--navy);font-weight:600}

.values{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem 2rem;
  margin-top:2.8rem;padding-top:2.4rem;border-top:1px solid var(--line);
}
.values h3{
  font-size:1.02rem;font-weight:600;color:var(--navy);
  margin-bottom:.35rem;padding-left:.9rem;position:relative;
}
.values h3::before{
  content:"";position:absolute;left:0;top:.35em;
  width:3px;height:1em;background:var(--blue);border-radius:2px;
}
.values p{font-size:.94rem;color:var(--ink-mute);margin:0;padding-left:.9rem}
@media (max-width:560px){.values{grid-template-columns:1fr}}

.founder{
  position:relative;overflow:hidden;
  background:linear-gradient(165deg,var(--navy-800),var(--navy-700));
  color:#fff;border-radius:var(--r-lg);
  padding:2.4rem 2.1rem;
  box-shadow:var(--shadow-lg);
}
.founder-mark{position:absolute;right:-32px;top:-28px;width:180px;opacity:.13;pointer-events:none}
.founder-role{
  font-family:Jost,sans-serif;font-size:.75rem;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;color:var(--blue);margin:0 0 .5rem;
}
.founder-name{font-size:1.65rem;margin-bottom:1.8rem;position:relative}
.founder-facts{display:grid;gap:1.25rem}
.founder-facts li{display:grid;gap:.28rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.14)}
.founder-facts li:first-child{padding-top:0;border-top:0}
.fact-k{
  font-family:Jost,sans-serif;font-size:.72rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:rgba(177,211,255,.72);
}
.fact-v{font-size:.97rem;color:rgba(233,241,252,.9);line-height:1.5}

/* =========================================================
   SECCIONES OSCURAS
   ========================================================= */
.section-dark{
  background:linear-gradient(170deg,var(--navy-900),var(--navy-800) 60%,var(--navy-700));
  color:#fff;overflow:hidden;isolation:isolate;
}
.section-dark .eyebrow{color:var(--blue-200)}
.section-dark .section-sub{color:rgba(233,241,252,.72)}
.section-texture{
  position:absolute;inset:0;z-index:-1;
  background-image:
    linear-gradient(rgba(120,168,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,168,255,.07) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(100% 70% at 75% 15%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(100% 70% at 75% 15%,#000,transparent 75%);
}

/* ---------- servicios ---------- */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
@media (max-width:920px){.services{grid-template-columns:1fr}}
.service{
  position:relative;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.11);
  border-radius:var(--r-lg);
  padding:2.2rem 1.9rem;
  transition:transform .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);
}
.service:hover{transform:translateY(-5px);background:rgba(255,255,255,.075);border-color:rgba(120,168,255,.45)}
.service-num{
  position:absolute;top:1.6rem;right:1.8rem;
  font-family:Jost,sans-serif;font-size:2.7rem;font-weight:600;
  color:rgba(120,168,255,.16);line-height:1;
}
.service-icon{width:34px;height:34px;color:var(--blue);margin-bottom:1.3rem}
.service h3{font-size:1.45rem;margin-bottom:.75rem}
.service > p{color:rgba(233,241,252,.74);font-size:.97rem;margin-bottom:1.5rem}
.service-list{display:grid;gap:.6rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.12)}
.service-list li{
  position:relative;padding-left:1.4rem;
  font-size:.92rem;color:rgba(233,241,252,.8);
}
.service-list li::before{
  content:"";position:absolute;left:0;top:.55em;
  width:7px;height:7px;border-radius:1px;
  background:var(--blue);transform:rotate(45deg);
}

/* =========================================================
   PROYECTOS
   ========================================================= */
.filters{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2.5rem}
.filter{
  background:transparent;border:1px solid var(--line);border-radius:100px;
  padding:.52rem 1.15rem;
  font-family:Jost,sans-serif;font-size:.9rem;font-weight:500;color:var(--ink-soft);
  cursor:pointer;
  transition:all .22s var(--ease);
}
.filter:hover{border-color:var(--navy-400);color:var(--navy)}
.filter.is-active{background:var(--navy);border-color:var(--navy);color:#fff}

.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
@media (max-width:900px){.projects{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.projects{grid-template-columns:1fr}}

.project{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--r);
  background:#fff;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.project:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--blue-200)}
.project.is-hidden{display:none}

.project-visual{
  position:relative;aspect-ratio:16/10;
  background:linear-gradient(150deg,var(--navy-800),var(--navy-700));
  display:grid;place-items:center;
  overflow:hidden;
}
.project-visual::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(120,168,255,.13) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,168,255,.13) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.9;
}
.project-visual svg{
  position:relative;width:46px;height:46px;color:var(--blue-200);
  transition:transform .35s var(--ease);
}
.project:hover .project-visual svg{transform:scale(1.12)}
.project-index{
  position:absolute;left:1rem;bottom:.7rem;
  font-family:Jost,sans-serif;font-size:2.6rem;font-weight:600;line-height:1;
  color:rgba(255,255,255,.1);
}

.project-body{padding:1.35rem 1.4rem 1.5rem;display:flex;flex-direction:column;flex:1}
.project-loc{
  display:flex;align-items:center;gap:.4rem;
  font-size:.79rem;letter-spacing:.09em;text-transform:uppercase;
  font-family:Jost,sans-serif;font-weight:500;color:var(--navy-400);
  margin-bottom:.5rem;
}
.project-loc svg{width:13px;height:13px;flex-shrink:0}
.project h3{font-size:1.13rem;margin-bottom:.5rem;color:var(--navy-800)}
.project-desc{font-size:.92rem;color:var(--ink-mute);margin:0 0 1.1rem;flex:1}
.project-tags{display:flex;flex-wrap:wrap;gap:.4rem}
.tag{
  font-family:Jost,sans-serif;font-size:.74rem;font-weight:500;letter-spacing:.04em;
  padding:.2rem .6rem;border-radius:100px;
  background:var(--blue-50);color:var(--navy);
}
.projects-empty{text-align:center;color:var(--ink-mute);padding:3rem 0}

/* =========================================================
   COBERTURA
   ========================================================= */
.coverage{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:1px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
}
.coverage li{
  background:#fff;padding:1.6rem 1.5rem;
  box-shadow:0 0 0 1px var(--line);
  display:flex;flex-direction:column;gap:.35rem;
  transition:background .25s var(--ease);
}
.coverage li:hover{background:var(--blue-50)}
.cov-name{
  font-family:Jost,sans-serif;font-size:1.12rem;font-weight:600;color:var(--navy);
}
.cov-meta{font-size:.87rem;color:var(--ink-mute)}

/* =========================================================
   CONTACTO
   ========================================================= */
.contact-grid{
  display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(2.5rem,6vw,5rem);
  align-items:start;
}
@media (max-width:920px){.contact-grid{grid-template-columns:1fr}}
.contact-intro .section-head{margin-bottom:0}

.contact-list{display:grid;gap:1.4rem;margin:2.5rem 0 2rem}
.contact-list li{display:flex;gap:1rem;align-items:flex-start}
.contact-list svg{width:22px;height:22px;color:var(--blue);flex-shrink:0;margin-top:2px}
.contact-list div{display:grid;gap:.15rem}
.ct-k{
  font-family:Jost,sans-serif;font-size:.72rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:rgba(177,211,255,.7);
}
.ct-v{font-size:1rem;color:#fff;text-decoration:none;transition:color .2s var(--ease)}
a.ct-v:hover{color:var(--blue)}

.contact-form{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r-lg);
  padding:clamp(1.6rem,3vw,2.4rem);
  display:grid;gap:1.15rem;
}
.field{display:grid;gap:.45rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.15rem}
@media (max-width:520px){.field-row{grid-template-columns:1fr}}
.field label{
  font-family:Jost,sans-serif;font-size:.85rem;font-weight:500;
  color:rgba(233,241,252,.85);letter-spacing:.02em;
}
.field label span{color:var(--blue)}
.field input,.field select,.field textarea{
  width:100%;
  background:rgba(11,31,56,.5);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-sm);
  padding:.75rem .9rem;
  color:#fff;font-family:inherit;font-size:.97rem;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.field textarea{resize:vertical;min-height:120px}
.field select{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%2378a8ff' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 1rem center;background-size:10px;
  padding-right:2.4rem;
}
.field select option{background:var(--navy-800);color:#fff}
.field input::placeholder,.field textarea::placeholder{color:rgba(233,241,252,.38)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);background:rgba(11,31,56,.75);
}
.field input.is-invalid,.field textarea.is-invalid{border-color:#ff8b7d}
.field-error{font-size:.82rem;color:#ff8b7d;min-height:0}
.field-error:empty{display:none}
.contact-form .btn-primary{background:var(--blue);color:var(--navy-900);font-weight:600}
.contact-form .btn-primary:hover{background:var(--blue-200)}

.form-note{font-size:.83rem;color:rgba(233,241,252,.55);margin:0;text-align:center}
.form-note.is-ok{color:var(--blue)}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--navy-900);color:rgba(233,241,252,.7);padding:clamp(3rem,6vw,4.5rem) 0 0}
.footer-inner{
  display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(2rem,5vw,4rem);
  padding-bottom:3rem;
}
@media (max-width:820px){.footer-inner{grid-template-columns:1fr}}
.footer-brand img{width:auto;height:44px;margin-bottom:1.2rem}
.footer-brand p{font-size:.9rem;line-height:1.7;margin:0}

.footer-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
@media (max-width:560px){.footer-nav{grid-template-columns:1fr 1fr}}
.footer-nav h3{
  font-size:.75rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--blue);margin-bottom:1rem;
}
.footer-nav ul{display:grid;gap:.6rem}
.footer-nav a,.footer-nav span{font-size:.92rem;text-decoration:none;color:rgba(233,241,252,.7);transition:color .2s var(--ease)}
.footer-nav a:hover{color:#fff}

.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:.8rem;
  padding:1.6rem 0;border-top:1px solid rgba(255,255,255,.1);
}
.footer-bottom p{margin:0;font-size:.83rem;color:rgba(233,241,252,.48)}

/* ---------- WhatsApp flotante ---------- */
.wa-float{
  position:fixed;right:1.25rem;bottom:1.25rem;z-index:70;
  width:54px;height:54px;border-radius:50%;
  background:#1faf54;color:#fff;
  display:grid;place-items:center;
  box-shadow:0 10px 28px -8px rgba(31,175,84,.6);
  transition:transform .25s var(--ease);
}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:28px;height:28px}
@media (max-width:600px){.wa-float{width:50px;height:50px;right:1rem;bottom:1rem}}

/* ---------- animación de entrada ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
}