/* ══════════════════════════════════════════════════════════════════════════════
   Animal Toilets — Landing page
   Paleta y tipografía tomadas del kit de marca original (Elementor):
   #490751 secundario · #764798 fondo · #EDCEAB primario/texto · #AF89B7 acento
   ══════════════════════════════════════════════════════════════════════════════ */

:root{
  /* Marca */
  --plum-950:#150318;
  --plum-900:#1E0524;
  --plum-800:#2A0730;
  --plum-700:#490751;
  --plum-500:#764798;
  --lavender:#AF89B7;
  --cream:#EDCEAB;

  /* Derivados */
  --ink:            var(--cream);
  --ink-soft:       color-mix(in srgb, var(--cream) 72%, transparent);
  --ink-faint:      color-mix(in srgb, var(--cream) 48%, transparent);
  --line:           color-mix(in srgb, var(--cream) 15%, transparent);
  --line-strong:    color-mix(in srgb, var(--cream) 30%, transparent);
  --surface:        color-mix(in srgb, var(--plum-700) 34%, transparent);
  --surface-hi:     color-mix(in srgb, var(--plum-500) 26%, transparent);

  /* Métrica */
  --wrap:1220px;
  --gutter:clamp(1.25rem, 4vw, 2.5rem);
  --section-y:clamp(4.5rem, 9vw, 8.5rem);
  --radius:18px;
  --radius-lg:26px;
  --header-h:76px;

  /* Tipografía */
  --font:"DM Sans","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  --tracking-tight:-0.03em;
  --tracking-wide:0.16em;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ── Reset ─────────────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){ html{scroll-behavior:smooth} }
body{
  margin:0;
  background:var(--plum-900);
  color:var(--ink);
  font-family:var(--font);
  font-size:clamp(1rem,.97rem + .18vw,1.0625rem);
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
img{height:auto}
h1,h2,h3,h4,p,dl,dd,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
fieldset{margin:0;padding:0;border:0}
legend{padding:0}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip-link{
  position:absolute;left:50%;top:0;translate:-50% -120%;
  z-index:200;padding:.7rem 1.25rem;border-radius:0 0 12px 12px;
  background:var(--cream);color:var(--plum-900);font-weight:700;
  transition:translate .2s var(--ease);
}
.skip-link:focus{translate:-50% 0}

:focus-visible{
  outline:2px solid var(--lavender);
  outline-offset:3px;
  border-radius:4px;
}

.wrap{
  width:100%;max-width:var(--wrap);
  margin-inline:auto;padding-inline:var(--gutter);
}

/* ── Tipografía compartida ─────────────────────────────────────────────────── */
.eyebrow{
  font-size:.75rem;font-weight:700;
  letter-spacing:var(--tracking-wide);text-transform:uppercase;
  color:var(--lavender);
  margin-bottom:1.1rem;
}
.display{
  font-size:clamp(2.75rem,1.4rem + 6vw,6rem);
  line-height:1.02;font-weight:700;
  letter-spacing:var(--tracking-tight);
  text-wrap:balance;
}
.display-accent{color:var(--lavender)}
.h2{
  font-size:clamp(1.9rem,1.25rem + 2.4vw,3.25rem);
  line-height:1.1;font-weight:700;
  letter-spacing:var(--tracking-tight);
  text-wrap:balance;
}
.h2 + .lead,.h2 + .body{margin-top:1.25rem}
.lead{
  font-size:clamp(1.06rem,1rem + .5vw,1.35rem);
  line-height:1.6;color:var(--ink-soft);
  max-width:60ch;text-wrap:pretty;
}
.body{color:var(--ink-soft);max-width:62ch;text-wrap:pretty}
.lead + .body{margin-top:1rem}

/* ── Botones ───────────────────────────────────────────────────────────────── */
.btn{
  --btn-pad:.95rem 1.65rem;
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  padding:var(--btn-pad);
  border:1px solid transparent;border-radius:999px;
  font-size:.95rem;font-weight:700;letter-spacing:.01em;
  cursor:pointer;white-space:nowrap;
  transition:background-color .25s var(--ease),color .25s var(--ease),
             border-color .25s var(--ease),transform .25s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-icon{width:.95em;height:.95em;fill:currentColor;flex:none}

.btn-solid{background:var(--cream);color:var(--plum-900);border-color:var(--cream)}
.btn-solid:hover{background:#fff;border-color:#fff}

.btn-ghost{border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--cream);background:color-mix(in srgb,var(--cream) 8%,transparent)}

.btn-sm{--btn-pad:.6rem 1.15rem;font-size:.85rem}
.btn-block{width:100%}

/* ── Header ────────────────────────────────────────────────────────────────── */
.site-header{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--plum-900) 82%,transparent);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background-color .3s var(--ease);
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  background:color-mix(in srgb,var(--plum-950) 88%,transparent);
}
.header-inner{
  min-height:var(--header-h);
  display:flex;align-items:center;gap:1.5rem;
}

.brand{display:inline-flex;align-items:center;flex:none}
.brand-logo{
  display:block;width:158px;aspect-ratio:937/266;
  background-color:var(--cream);
  -webkit-mask:url("../img/logo.png") no-repeat center/contain;
          mask:url("../img/logo.png") no-repeat center/contain;
  transition:background-color .25s var(--ease);
}
.brand:hover .brand-logo{background-color:#fff}

.nav{
  display:flex;align-items:center;gap:2.1rem;
  margin-left:auto;
  font-size:.925rem;font-weight:500;
}
.nav > a{
  position:relative;color:var(--ink-soft);
  padding-block:.35rem;
  transition:color .22s var(--ease);
}
.nav > a::after{
  content:"";position:absolute;left:0;bottom:0;
  width:100%;height:1px;background:currentColor;
  scale:0 1;transform-origin:left;
  transition:scale .3s var(--ease);
}
.nav > a:hover{color:var(--ink)}
.nav > a:hover::after{scale:1 1}
.nav-cta{display:none}

.header-actions{display:flex;align-items:center;gap:.9rem;flex:none}

.lang{
  display:inline-flex;align-items:center;gap:.15rem;
  padding:.28rem .45rem;
  border:1px solid var(--line);border-radius:999px;
}
.lang-btn{
  background:none;border:0;cursor:pointer;
  padding:.18rem .5rem;border-radius:999px;
  font-size:.75rem;font-weight:700;letter-spacing:.08em;
  color:var(--ink-faint);
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.lang-btn:hover{color:var(--ink)}
.lang-btn.is-active{color:var(--plum-900);background:var(--cream)}
.lang-sep{width:1px;height:12px;background:var(--line)}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  background:none;border:1px solid var(--line);border-radius:999px;
  cursor:pointer;
}
.nav-toggle-bars{display:grid;gap:5px;width:16px}
.nav-toggle-bars span{
  display:block;height:1.5px;background:var(--cream);border-radius:2px;
  transition:translate .25s var(--ease),rotate .25s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:first-child{translate:0 3.25px;rotate:45deg}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:last-child{translate:0 -3.25px;rotate:-45deg}

/* ── Hero ──────────────────────────────────────────────────────────────────── */
.hero{position:relative;overflow:hidden;padding-block:clamp(3rem,7vw,6rem) var(--section-y)}
.hero-glow{
  position:absolute;inset:-15% -10% auto;height:130%;
  background:
    radial-gradient(46% 42% at 72% 34%, color-mix(in srgb,var(--plum-500) 50%,transparent) 0%, transparent 68%),
    radial-gradient(38% 34% at 14% 8%,  color-mix(in srgb,var(--plum-700) 58%,transparent) 0%, transparent 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;grid-template-columns:1.05fr .95fr;
  align-items:center;gap:clamp(2rem,5vw,4.5rem);
}
.hero-copy{max-width:41rem}
.display + .lead{margin-top:1.6rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2.4rem}

/* Los renders del producto son casi negros: se apoyan sobre un halo de luz
   para que la silueta destaque sobre el fondo oscuro. */
.spotlight{position:relative;isolation:isolate}
.spotlight::before{
  content:"";position:absolute;z-index:-1;
  left:50%;top:46%;translate:-50% -50%;
  width:124%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,
    color-mix(in srgb,var(--cream) 58%,transparent) 0%,
    color-mix(in srgb,var(--cream) 42%,transparent) 22%,
    color-mix(in srgb,var(--lavender) 44%,transparent) 42%,
    color-mix(in srgb,var(--plum-500) 24%,transparent) 58%,
    transparent 73%);
}

/* Sombra de apoyo: elipse degradada en lugar de drop-shadow, para no crear
   una capa de composición extra por cada render. */
.spotlight::after{
  content:"";position:absolute;z-index:-1;
  left:50%;bottom:2%;translate:-50% 0;
  width:62%;height:7%;border-radius:50%;
  background:radial-gradient(closest-side, color-mix(in srgb,var(--plum-950) 62%,transparent), transparent);
}

.hero-figure{justify-self:center;width:min(100%,430px)}
.hero-figure img{width:100%}

/* ── Stats ─────────────────────────────────────────────────────────────────── */
.stats{
  position:relative;
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;margin-top:clamp(3rem,6vw,5rem);
  background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
}
.stat{
  background:var(--plum-900);
  padding:clamp(1.4rem,3vw,2.1rem) clamp(1.25rem,3vw,2rem);
}
.stat-num{
  font-size:clamp(2rem,1.4rem + 1.9vw,3rem);
  font-weight:700;letter-spacing:var(--tracking-tight);line-height:1;
  color:var(--cream);
}
.stat-label{
  margin-top:.5rem;
  font-size:.8125rem;font-weight:500;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-faint);
}

/* ── Secciones ─────────────────────────────────────────────────────────────── */
.section{padding-block:var(--section-y);scroll-margin-top:calc(var(--header-h) + 12px)}
.section-head{max-width:46rem;margin-bottom:clamp(2.5rem,5vw,4rem)}
.section-head--split{
  max-width:none;
  display:grid;grid-template-columns:1.15fr .85fr;
  align-items:end;gap:clamp(1.5rem,4vw,3.5rem);
}
.section-note{color:var(--ink-faint);max-width:38ch;text-wrap:pretty}

/* ── Cards (features) ──────────────────────────────────────────────────────── */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1rem,2vw,1.5rem)}
.card{
  padding:clamp(1.75rem,3vw,2.5rem);
  background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:border-color .3s var(--ease),background-color .3s var(--ease),transform .3s var(--ease);
}
.card:hover{
  border-color:var(--line-strong);
  background:var(--surface-hi);
  transform:translateY(-4px);
}
.card-icon{
  display:grid;place-items:center;
  width:52px;height:52px;margin-bottom:1.5rem;
  border:1px solid var(--line-strong);border-radius:14px;
  color:var(--lavender);
}
.card-icon svg{width:22px;height:22px;fill:currentColor}
.card-title{font-size:1.3rem;font-weight:700;letter-spacing:-.015em;line-height:1.25}
.card-body{margin-top:.75rem;color:var(--ink-soft);font-size:.975rem}

/* ── Anatomía ──────────────────────────────────────────────────────────────── */
.section-anatomy{
  background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--plum-800) 70%,transparent) 22%,color-mix(in srgb,var(--plum-800) 70%,transparent) 78%,transparent);
}
.anatomy{
  display:grid;grid-template-columns:.9fr 1.1fr;
  align-items:center;gap:clamp(2rem,6vw,5rem);
}
.anatomy-figure{justify-self:center;width:min(100%,380px)}

.anatomy-pin{position:absolute;display:flex;align-items:center;gap:.6rem;z-index:2}
.anatomy-pin--tank{top:32%;right:76%;flex-direction:row-reverse}
.anatomy-pin--discharge{top:64%;left:74%}
.pin-dot{
  position:relative;width:9px;height:9px;flex:none;
  border-radius:50%;background:var(--lavender);
}
.pin-dot::after{
  content:"";position:absolute;inset:-7px;
  border:1px solid color-mix(in srgb,var(--lavender) 55%,transparent);
  border-radius:50%;
}
.pin-label{
  display:inline-flex;align-items:baseline;gap:.45rem;
  padding:.4rem .8rem;
  background:color-mix(in srgb,var(--plum-950) 78%,transparent);
  backdrop-filter:blur(6px);
  border:1px solid var(--line);border-radius:999px;
  font-size:.8rem;font-weight:500;white-space:nowrap;
}
.pin-label b{color:var(--lavender);font-size:.7rem;letter-spacing:.08em}

.ticks{margin-top:2rem;display:grid;gap:.85rem}
.ticks li{
  position:relative;padding-left:1.9rem;
  color:var(--ink-soft);font-size:.975rem;
}
.ticks li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:11px;height:6px;
  border-left:1.5px solid var(--lavender);
  border-bottom:1.5px solid var(--lavender);
  rotate:-45deg;
}

/* ── Galería ───────────────────────────────────────────────────────────────── */
.gallery{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(.75rem,1.6vw,1.25rem);
}
.tile{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);
  transition:border-color .3s var(--ease),transform .35s var(--ease);
}
.tile img{
  width:100%;aspect-ratio:1;object-fit:cover;
  transition:scale .55s var(--ease),filter .35s var(--ease);
}
.tile::after{
  content:"";position:absolute;inset:auto 0 0;height:52%;
  background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--plum-950) 88%,transparent));
  opacity:0;transition:opacity .35s var(--ease);
}
.tile-label{
  position:absolute;left:1rem;bottom:.9rem;z-index:2;
  font-size:.8rem;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--cream);
  opacity:0;translate:0 6px;
  transition:opacity .35s var(--ease),translate .35s var(--ease);
}
.tile:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.tile:hover img{scale:1.05}
.tile:hover::after{opacity:1}
.tile:hover .tile-label{opacity:1;translate:0 0}

/* ── Invest ────────────────────────────────────────────────────────────────── */
.section-invest{
  background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--plum-700) 42%,transparent) 30%,transparent);
}
.invest{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:clamp(2rem,5vw,4.5rem);align-items:start;
}
.invest-copy .btn{margin-top:2.2rem}
.pillars{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.pillars li{
  background:var(--plum-900);
  padding:clamp(1.5rem,2.6vw,2rem);
  transition:background-color .3s var(--ease);
}
.pillars li:hover{background:var(--plum-800)}
.pillar-num{
  display:block;
  font-size:.75rem;font-weight:700;
  letter-spacing:.16em;color:var(--lavender);
  margin-bottom:.6rem;
}
.pillar-title{font-size:1.15rem;font-weight:700;letter-spacing:-.01em}
.pillar-body{margin-top:.4rem;color:var(--ink-soft);font-size:.95rem}

/* ── FAQ ───────────────────────────────────────────────────────────────────── */
.faq-wrap{max-width:900px}
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item h3{margin:0;font:inherit}
.faq-q{
  width:100%;
  display:flex;align-items:flex-start;justify-content:space-between;gap:2rem;
  padding:1.5rem 0;
  background:none;border:0;cursor:pointer;text-align:left;
  font-size:clamp(1.02rem,.97rem + .3vw,1.2rem);font-weight:700;
  letter-spacing:-.01em;line-height:1.4;
  color:var(--ink);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--lavender)}
.faq-sign{
  position:relative;flex:none;
  width:22px;height:22px;margin-top:.2rem;
  border:1px solid var(--line-strong);border-radius:50%;
  transition:border-color .25s var(--ease),rotate .35s var(--ease);
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;inset:50% 5px auto;
  height:1.5px;background:currentColor;translate:0 -50%;
  transition:opacity .25s var(--ease);
}
.faq-sign::after{rotate:90deg}
.faq-q[aria-expanded="true"] .faq-sign{rotate:180deg;border-color:var(--lavender)}
.faq-q[aria-expanded="true"] .faq-sign::after{opacity:0}
.faq-a{padding-bottom:1.6rem}
.faq-a p{color:var(--ink-soft);max-width:70ch;text-wrap:pretty}

/* ── Contacto ──────────────────────────────────────────────────────────────── */
.section-contact{
  background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--plum-800) 80%,transparent) 26%);
}
.contact{
  display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(2rem,5vw,4.5rem);align-items:start;
}
.contact-card{
  margin-top:2.5rem;padding:1.6rem 1.75rem;
  background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);
}
.contact-name{font-size:1.15rem;font-weight:700;letter-spacing:-.01em}
.contact-role{
  font-size:.75rem;font-weight:700;letter-spacing:var(--tracking-wide);
  text-transform:uppercase;color:var(--lavender);margin-top:.15rem;
}
.contact-list{margin-top:1.15rem;display:grid;gap:.7rem}
.contact-list li{display:flex;align-items:center;gap:.75rem}
.contact-list svg{width:15px;height:15px;flex:none;fill:var(--lavender)}
.contact-list a{
  color:var(--ink-soft);font-size:.95rem;
  border-bottom:1px solid transparent;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.contact-list a:hover{color:var(--cream);border-bottom-color:var(--line-strong)}

/* ── Formulario ────────────────────────────────────────────────────────────── */
.form{
  padding:clamp(1.6rem,3vw,2.5rem);
  background:color-mix(in srgb,var(--plum-950) 55%,transparent);
  border:1px solid var(--line);border-radius:var(--radius-lg);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{margin:0 0 1.15rem;display:grid;gap:.45rem}
.field > label,.field-choices legend{
  font-size:.75rem;font-weight:700;
  letter-spacing:.11em;text-transform:uppercase;
  color:var(--ink-faint);
}
.field input,.field textarea{
  width:100%;padding:.8rem 1rem;
  background:color-mix(in srgb,var(--cream) 5%,transparent);
  border:1px solid var(--line);border-radius:12px;
  font-size:.975rem;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.field textarea{resize:vertical;min-height:120px}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-faint)}
.field input:hover,.field textarea:hover{border-color:var(--line-strong)}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--lavender);
  background:color-mix(in srgb,var(--cream) 8%,transparent);
}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:#E4808B}

.field-choices{margin-bottom:1.35rem}
.field-choices legend{margin-bottom:.7rem}
.choices{display:flex;flex-wrap:wrap;gap:.55rem}
.choice{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.5rem .95rem;
  border:1px solid var(--line);border-radius:999px;
  font-size:.9rem;color:var(--ink-soft);cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.choice:hover{border-color:var(--line-strong);color:var(--ink)}
.choice input{
  appearance:none;-webkit-appearance:none;
  width:15px;height:15px;margin:0;flex:none;
  border:1px solid var(--line-strong);border-radius:5px;
  cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.choice input:checked{background:var(--lavender);border-color:var(--lavender)}
.choice:has(input:checked){border-color:var(--lavender);color:var(--ink);background:color-mix(in srgb,var(--lavender) 12%,transparent)}

.form .btn{margin-top:.4rem}
.form-status{
  margin-top:.9rem;min-height:1.3em;
  font-size:.875rem;color:var(--lavender);
}
.form-status[data-state="error"]{color:#E4808B}

/* ── Footer ────────────────────────────────────────────────────────────────── */
.site-footer{
  border-top:1px solid var(--line);
  padding-block:clamp(2.5rem,5vw,3.5rem);
}
.footer-inner{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;gap:1.5rem 2.5rem;
}
.brand--footer .brand-logo{width:132px;opacity:.85}
.footer-tag{color:var(--ink-faint);font-size:.875rem;max-width:34ch}
.footer-nav{display:flex;flex-wrap:wrap;gap:1.4rem;font-size:.875rem}
.footer-nav a{color:var(--ink-soft);transition:color .22s var(--ease)}
.footer-nav a:hover{color:var(--cream)}
.footer-legal{
  grid-column:1/-1;padding-top:1.5rem;border-top:1px solid var(--line);
  font-size:.8125rem;color:var(--ink-faint);
}

/* ── Reveal on scroll ──────────────────────────────────────────────────────── */
/* Sin JS los bloques quedan visibles: solo se ocultan si `html.js` está presente. */
html.js .reveal{opacity:0;translate:0 18px}
html.js .reveal.is-in{
  opacity:1;translate:0 0;
  transition:opacity .7s var(--ease),translate .7s var(--ease);
  transition-delay:calc(var(--d,0) * 90ms);
}

/* ══════════════════════════════════ Responsive ══════════════════════════════ */
@media (max-width:1080px){
  .nav{gap:1.5rem}
  .gallery{grid-template-columns:repeat(3,1fr)}
}

@media (max-width:900px){
  :root{--header-h:66px}

  .nav{
    position:fixed;inset:var(--header-h) 0 auto;
    flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:.5rem var(--gutter) 1.5rem;
    background:color-mix(in srgb,var(--plum-950) 97%,transparent);
    border-bottom:1px solid var(--line);
    font-size:1.05rem;
    opacity:0;visibility:hidden;translate:0 -8px;
    transition:opacity .25s var(--ease),translate .25s var(--ease),visibility .25s;
  }
  .nav.is-open{opacity:1;visibility:visible;translate:0 0}
  .nav > a{padding:1rem 0;border-bottom:1px solid var(--line)}
  .nav > a::after{display:none}
  .nav-cta{
    display:inline-flex;align-self:flex-start;
    margin-top:1.25rem;border-bottom:0 !important;
  }
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}

  .hero-inner{grid-template-columns:1fr;text-align:left}
  .hero-figure{order:-1;width:min(72%,300px)}
  .hero-figure img{width:100%}
  .stats{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .section-head--split{grid-template-columns:1fr;align-items:start}
  .anatomy,.invest,.contact{grid-template-columns:1fr}
  .anatomy-figure{width:min(78%,320px)}
  .anatomy-pin--tank{left:-4%}
  .anatomy-pin--discharge{right:-6%}

  .footer-inner{grid-template-columns:1fr;justify-items:start}
}

@media (max-width:560px){
  .gallery{grid-template-columns:repeat(2,1fr)}
  .field-row{grid-template-columns:1fr;gap:0}
  .hero-actions .btn{flex:1 1 auto}
  .pin-label{font-size:.72rem;padding:.3rem .6rem}
  .anatomy-pin--tank{left:-8%}
  .anatomy-pin--discharge{right:-8%}
  .faq-q{gap:1rem}
}

/* ── Preferencias del sistema ──────────────────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .reveal{opacity:1;translate:none}
}

@media print{
  .site-header,.hero-glow,.nav-toggle,.lang{display:none}
  body{background:#fff;color:#1E0524}
}

/* Trampa antispam del formulario: fuera de pantalla, invisible y no enfocable.
   Se usa `position:absolute` en vez de `display:none` porque algunos bots
   ignoran los campos ocultos con display. */
.honeypot{
  position:absolute !important;
  width:1px;height:1px;
  margin:-1px;padding:0;border:0;
  overflow:hidden;clip:rect(0 0 0 0);
  white-space:nowrap;
  opacity:0;pointer-events:none;
}