/* ============================================================
   AUTOVAPOR — "Grado Laboratorio"
   Limpieza y desinfección · landing escaparate
   Vanilla CSS · modo claro clínico · azul/cian · craft premium
   ============================================================ */

:root{
  --paper:#F6F9FC;        /* fondo papel clínico (blanco frío) */
  --surface:#FFFFFF;
  --brand:#2C7DB8;        /* azul marca medio */
  --brand-deep:#22659E;
  --ink:#173E61;          /* tinta titulares (sustituye al negro) */
  --cyan:#3FB1DE;         /* cian fresco — SOLO gráficos (vapor, hairlines, fills) */
  --accent:#1E8CC0;       /* acento de texto en titulares (em) — AA texto grande */
  --body:#51647A;         /* cuerpo (AA sobre papel) */
  --hair:#DCE6EF;         /* hairlines y retícula */
  --hair-2:#E9F0F7;
  --ok:#15A06A;           /* tic de validación (uso mínimo) */
  --wa:#138A3E;           /* WhatsApp (oscurecido: blanco AA) */
  --wa-deep:#0B7330;

  --sh1:0 1px 2px rgba(23,62,97,.05), 0 8px 22px -10px rgba(44,115,184,.20);
  --sh2:0 2px 6px -2px rgba(23,62,97,.07), 0 26px 60px -24px rgba(44,115,184,.30);
  --sh3:0 44px 110px -40px rgba(34,101,158,.42), 0 14px 38px -18px rgba(23,62,97,.16);

  --r1:.85rem; --r2:1.2rem; --r3:1.9rem; --pill:999px;
  --ease:cubic-bezier(.32,.72,0,1);
  --wrap:1180px;
  --h2:clamp(2rem,4.6vw,3.05rem);   /* escala única de titulares de sección */

  --disp:"Clash Display","Geist",system-ui,sans-serif;
  --sans:"Geist","Plus Jakarta Sans",system-ui,sans-serif;
  --mono:"Geist Mono",ui-monospace,"SFMono-Regular",monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);background:var(--paper);color:var(--body);
  font-size:clamp(15px,1.05vw,16.5px);line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--disp);color:var(--ink);font-weight:600;line-height:1.04;letter-spacing:-.022em}
em{font-style:italic;font-weight:500;color:var(--accent)}
::selection{background:rgba(63,177,222,.25);color:var(--ink)}

/* foco unificado de teclado (WCAG 2.4.7) */
a:focus-visible,.btn:focus-visible,button:focus-visible,.burger:focus-visible,.fab:focus-visible,
.nav__links a:focus-visible,.menu__links a:focus-visible,.contact__alt a:focus-visible,.foot__col a:focus-visible{
  outline:3px solid var(--brand);outline-offset:3px;border-radius:inherit;
}
/* red de seguridad si el JS no carga: el contenido nunca queda invisible */
.no-js .reveal{opacity:1 !important;transform:none !important;filter:none !important}

.ic{width:1.25em;height:1.25em;display:inline-block;vertical-align:middle;flex:none}
.ic--ok{color:var(--ok)}
.sprite{position:absolute;width:0;height:0}

/* ---------- texturas globales ---------- */
.grain{
  position:fixed;inset:0;z-index:3;pointer-events:none;opacity:.04;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size:160px 160px;
}
.scrollline{
  position:fixed;top:0;left:0;height:2px;width:100%;z-index:60;
  transform:scaleX(var(--p,0));transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--brand));
}

/* ============================================================
   NAV — píldora flotante de vidrio claro
   ============================================================ */
.nav{
  position:fixed;top:1rem;left:50%;transform:translateX(-50%);
  width:min(var(--wrap),calc(100% - 1.4rem));z-index:50;
  display:flex;align-items:center;gap:1rem;
  padding:.5rem .55rem .5rem 1.15rem;
  background:rgba(255,255,255,.7);
  -webkit-backdrop-filter:blur(18px) saturate(1.5);backdrop-filter:blur(18px) saturate(1.5);
  border:1px solid var(--hair);border-radius:var(--pill);
  box-shadow:var(--sh1);
  transition:box-shadow .5s var(--ease),background .5s var(--ease),top .5s var(--ease);
}
.nav.is-scrolled{background:rgba(255,255,255,.86);box-shadow:var(--sh2);top:.7rem}
.nav__brand{display:flex;align-items:center}
.nav__brand img{height:30px;width:auto}
.nav__links{display:flex;gap:.3rem;margin-left:auto}
.nav__links a{
  font-size:.86rem;font-weight:500;color:var(--ink);padding:.5rem .85rem;border-radius:var(--pill);
  position:relative;transition:color .3s var(--ease),background .3s var(--ease);
}
.nav__links a:hover{color:var(--brand);background:rgba(63,177,222,.09)}
.nav__cta{margin-left:.2rem}
.nav .nav__cta span{display:inline}

/* hamburguesa que se transforma en X */
.burger{
  display:none;width:42px;height:42px;border:1px solid var(--hair);border-radius:50%;
  background:var(--surface);position:relative;cursor:pointer;margin-left:auto;flex:none;
}
.burger span{
  position:absolute;left:50%;top:50%;width:17px;height:1.7px;background:var(--ink);border-radius:2px;
  transition:transform .45s var(--ease),opacity .3s var(--ease);
}
.burger span:nth-child(1){transform:translate(-50%,-5px)}
.burger span:nth-child(2){transform:translate(-50%,4px)}
body.menu-open .burger span:nth-child(1){transform:translate(-50%,0) rotate(45deg)}
body.menu-open .burger span:nth-child(2){transform:translate(-50%,0) rotate(-45deg)}

/* menú móvil a pantalla completa */
.menu{
  position:fixed;inset:0;z-index:48;
  background:rgba(246,249,252,.82);
  -webkit-backdrop-filter:blur(26px) saturate(1.4);backdrop-filter:blur(26px) saturate(1.4);
  display:flex;flex-direction:column;justify-content:center;gap:.4rem;padding:6rem 2rem 2rem;
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .45s var(--ease),visibility .45s;
}
body.menu-open .menu{opacity:1;visibility:visible;pointer-events:auto}
.menu__links{display:flex;flex-direction:column}
.menu__links a{
  font-family:var(--disp);font-size:2.1rem;font-weight:500;color:var(--ink);
  padding:.55rem 0;border-bottom:1px solid var(--hair);overflow:hidden;
}
.menu__links a span{display:block;transform:translateY(115%);transition:transform .6s var(--ease)}
body.menu-open .menu__links a span{transform:none}
body.menu-open .menu__links a:nth-child(1) span{transition-delay:.06s}
body.menu-open .menu__links a:nth-child(2) span{transition-delay:.11s}
body.menu-open .menu__links a:nth-child(3) span{transition-delay:.16s}
body.menu-open .menu__links a:nth-child(4) span{transition-delay:.21s}
body.menu-open .menu__links a:nth-child(5) span{transition-delay:.26s}
body.menu-open .menu__links a:nth-child(6) span{transition-delay:.31s}
.menu__cta{margin-top:1.6rem;justify-content:center;opacity:0;transform:translateY(14px);transition:.6s var(--ease) .34s}
body.menu-open .menu__cta{opacity:1;transform:none}

/* ============================================================
   BOTONES — pill + icono anidado (button-in-button)
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;font-family:var(--sans);font-weight:500;
  font-size:.92rem;padding:.7rem 1.05rem;border-radius:var(--pill);border:1px solid transparent;
  cursor:pointer;white-space:nowrap;position:relative;isolation:isolate;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),background .4s var(--ease),color .4s var(--ease);
}
.btn .ic{width:1.15em;height:1.15em}
.btn:active{transform:scale(.975)}
.btn--lg{padding:.85rem 1.25rem;font-size:1rem}
.btn--xl{padding:1.05rem 1.6rem;font-size:1.08rem}
.btn--wa{background:linear-gradient(180deg,var(--wa),var(--wa-deep));color:#fff;box-shadow:0 10px 26px -10px rgba(11,115,48,.55),inset 0 1px 0 rgba(255,255,255,.28)}
.btn--wa:hover{box-shadow:0 16px 36px -12px rgba(11,115,48,.62),inset 0 1px 0 rgba(255,255,255,.32);transform:translateY(-1px)}
.btn--ghost{background:var(--surface);color:var(--ink);border-color:var(--hair);box-shadow:var(--sh1)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn__pin{
  display:grid;place-items:center;width:1.7em;height:1.7em;margin:-.3em -.45em -.3em .15em;border-radius:50%;
  background:rgba(255,255,255,.22);transition:transform .4s var(--ease),background .4s var(--ease);
}
.btn__pin .ic{width:.95em;height:.95em}
.btn:hover .btn__pin{transform:translate(2px,-1px) scale(1.06)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:100dvh;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:9rem 1.3rem 4rem;overflow:hidden;
}
.hero__grid{
  position:absolute;inset:0;z-index:0;opacity:.55;
  background-image:linear-gradient(var(--hair) 1px,transparent 1px),linear-gradient(90deg,var(--hair) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(125% 95% at 50% 28%,#000 38%,transparent 76%);
  mask-image:radial-gradient(125% 95% at 50% 28%,#000 38%,transparent 76%);
}
.vapor{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.plume{
  position:absolute;bottom:-12%;width:44vmin;height:96%;border-radius:48% 48% 50% 50%;
  background:radial-gradient(46% 56% at 50% 72%,rgba(63,177,222,.5),rgba(63,177,222,0) 70%);
  filter:blur(36px);opacity:0;will-change:transform,opacity;
  animation:breathe 15s var(--ease) infinite;
}
.plume.p1{left:32%;transform:translateX(-50%);animation-delay:0s}
.plume.p2{left:50%;transform:translateX(-50%);width:52vmin;animation-delay:-5s}
.plume.p3{left:67%;transform:translateX(-50%);width:38vmin;animation-delay:-9.5s}
@keyframes breathe{
  0%{transform:translate(-50%,10%) scaleY(.86);opacity:0}
  28%{opacity:.6}
  60%{opacity:.42}
  100%{transform:translate(-50%,-16%) scaleY(1.28);opacity:0}
}
.hero__inner{position:relative;z-index:2;max-width:880px;display:flex;flex-direction:column;align-items:center}
.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--brand-deep);margin-bottom:1.3rem;
}
.eyebrow--inv{color:var(--cyan)}
.hero__h1{font-size:clamp(2.7rem,8vw,5.6rem);margin-bottom:1.4rem}
.hero__sub{font-size:clamp(1.02rem,1.7vw,1.22rem);max-width:33ch;color:var(--body);margin-bottom:2.1rem}
.hero__cta{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center;margin-bottom:2.4rem}
.proof{
  list-style:none;display:flex;gap:1.6rem;flex-wrap:wrap;justify-content:center;
  font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);
}
.proof li{display:inline-flex;align-items:center;gap:.45rem}
.proof .ic{width:1.05em;height:1.05em;color:var(--brand)}
.proof .ic--ok{color:var(--ok);margin-left:.1rem}
.fig{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-deep);
}
.hero__fig{position:absolute;left:clamp(1.3rem,4vw,3rem);bottom:2rem;z-index:2}

/* ============================================================
   TIRA DE CONFIANZA
   ============================================================ */
.trust{padding:0 1.3rem;margin-top:-1.5rem;position:relative;z-index:4}
.trust__row{
  max-width:var(--wrap);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem;
}
.tpill{
  display:flex;flex-direction:column;gap:.15rem;padding:1.1rem 1.2rem;
  background:var(--surface);border:1px solid var(--hair);border-radius:var(--r2);box-shadow:var(--sh1);
}
.tpill .ic{width:1.5rem;height:1.5rem;color:var(--brand);margin-bottom:.4rem}
.tpill b{font-family:var(--disp);font-weight:600;color:var(--ink);font-size:1rem;letter-spacing:-.01em}
.tpill span{font-size:.82rem;color:var(--body)}

/* ============================================================
   SECCIONES — ritmo macro
   ============================================================ */
.section{max-width:var(--wrap);margin:0 auto;padding:clamp(5rem,10vw,8.5rem) 1.3rem;scroll-margin-top:6rem}
.shead{max-width:640px;margin:0 auto clamp(2.5rem,5vw,3.8rem);text-align:center}
.shead__h{font-size:var(--h2);margin:.3rem 0 .8rem}
.shead__sub{color:var(--body);font-size:1.05rem;max-width:46ch;margin:0 auto}

/* ---------- servicios (bento clínico) ---------- */
.bento{display:grid;grid-template-columns:1.15fr 1fr 1fr;grid-auto-rows:1fr;gap:1rem}
.svc{
  position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--hair);
  border-radius:var(--r3);padding:1.6rem;display:flex;flex-direction:column;box-shadow:var(--sh1);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease);
}
.svc:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(63,177,222,.5)}
.svc--feat{grid-row:1 / span 2;padding:2rem}
.svc__top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:auto}
.svc__ic{
  display:grid;place-items:center;width:3rem;height:3rem;border-radius:1rem;
  background:linear-gradient(160deg,#eaf5fb,#d9edf8);border:1px solid var(--hair-2);color:var(--brand);
}
.svc__ic .ic{width:1.5rem;height:1.5rem}
.svc--feat .svc__ic{width:3.6rem;height:3.6rem}
.svc--feat .svc__ic .ic{width:1.85rem;height:1.85rem}
.svc__tag{font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-deep);background:rgba(63,177,222,.1);border:1px solid rgba(63,177,222,.3);padding:.3rem .55rem;border-radius:var(--pill)}
.svc__h{font-size:1.25rem;margin:1.4rem 0 .5rem;color:var(--ink)}
.svc--feat .svc__h{font-size:1.85rem;margin-top:1.6rem}
.svc__p{font-size:.92rem;color:var(--body)}
.svc--feat .svc__p{font-size:1.02rem;max-width:34ch}
.svc__chk{
  display:inline-flex;align-items:center;gap:.4rem;margin-top:1.1rem;font-size:.82rem;font-weight:500;color:var(--brand-deep);
  opacity:0;transform:translateY(6px);transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.svc__chk .ic{width:1.05em;height:1.05em;color:var(--ok)}
.svc:hover .svc__chk{opacity:1;transform:none}
/* barrido de vapor al hover */
.sweep{position:absolute;inset:0;border-radius:inherit;overflow:hidden;pointer-events:none}
.sweep::before{
  content:"";position:absolute;top:-25%;left:-70%;width:55%;height:150%;transform:skewX(-16deg);
  background:linear-gradient(90deg,transparent,rgba(63,177,222,.16) 42%,rgba(255,255,255,.55) 50%,rgba(63,177,222,.16) 58%,transparent);
  opacity:0;
}
.svc:hover .sweep::before{animation:sweep 1.05s var(--ease)}
@keyframes sweep{0%{left:-70%;opacity:0}12%{opacity:1}100%{left:130%;opacity:0}}

/* ---------- antes / después ---------- */
.compare{
  position:relative;max-width:1000px;margin:0 auto;aspect-ratio:16/10;border-radius:var(--r3);
  overflow:hidden;box-shadow:var(--sh3);border:1px solid var(--hair);
  user-select:none;-webkit-user-select:none;touch-action:pan-y;cursor:ew-resize;
  --pos:50%;
}
.compare__img,.compare__after img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.compare__after{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.compare.is-dragging .compare__after{will-change:clip-path}
.compare__lbl{
  position:absolute;top:1rem;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
  padding:.34rem .6rem;border-radius:var(--pill);backdrop-filter:blur(6px);z-index:3;
}
.compare__lbl--a{left:1rem;background:rgba(23,62,97,.6);color:#fff}
.compare__lbl--b{right:1rem;background:rgba(255,255,255,.7);color:var(--ink);border:1px solid var(--hair)}
.compare__handle{position:absolute;top:0;bottom:0;left:var(--pos);transform:translateX(-50%);width:2px;z-index:4;
  background:linear-gradient(var(--cyan),#fff 50%,var(--cyan));box-shadow:0 0 18px rgba(63,177,222,.7)}
.compare__mist{position:absolute;top:0;bottom:0;left:50%;width:90px;transform:translateX(-50%);
  background:radial-gradient(42% 60% at 50% 50%,rgba(63,177,222,.32),transparent 72%);filter:blur(7px)}
.compare__grip{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;
  background:var(--surface);border:1px solid var(--hair);box-shadow:var(--sh2);color:var(--brand);
  display:grid;place-items:center;cursor:ew-resize;transition:transform .3s var(--ease)}
.compare__grip:hover{transform:translate(-50%,-50%) scale(1.07)}
.compare__grip .ic{width:1.4rem;height:1.4rem}
.compare__grip:focus-visible{outline:3px solid rgba(63,177,222,.5);outline-offset:3px}
.ba__note{text-align:center;font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-deep);margin-top:1.1rem}

/* ---------- el vapor (método + termómetro) ---------- */
.vsec{display:grid;grid-template-columns:1.25fr .85fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.vsec__h{font-size:var(--h2);margin:.3rem 0 .7rem}
.vsec__sub{color:var(--body);font-size:1.05rem;margin-bottom:2.2rem;max-width:34ch}
.steps{list-style:none;position:relative;display:flex;flex-direction:column;gap:1.4rem}
.steps__thread{position:absolute;left:1.05rem;top:1.3rem;bottom:1.3rem;width:2px;
  background:linear-gradient(var(--cyan),rgba(63,177,222,.15));z-index:0}
.step{position:relative;display:flex;gap:1.1rem;align-items:flex-start;z-index:1}
.step__n{
  flex:none;display:grid;place-items:center;width:2.2rem;height:2.2rem;border-radius:50%;
  font-family:var(--mono);font-size:.78rem;color:var(--brand);
  background:var(--surface);border:1px solid var(--hair);box-shadow:var(--sh1)}
.step b{font-family:var(--disp);font-weight:600;color:var(--ink);font-size:1.08rem;display:block;margin-top:.25rem}
.step p{font-size:.92rem;color:var(--body);margin-top:.15rem}
.gauge{
  position:relative;background:var(--surface);border:1px solid var(--hair);border-radius:var(--r3);
  box-shadow:var(--sh2);padding:2.2rem;display:flex;align-items:center;gap:1.9rem;min-height:300px;
}
.gauge__tube{position:relative;width:16px;height:230px;border-radius:var(--pill);background:var(--hair);overflow:hidden;flex:none;box-shadow:inset 0 1px 3px rgba(23,62,97,.12)}
.gauge__fill{position:absolute;left:0;right:0;bottom:0;height:var(--fill,8%);border-radius:var(--pill);
  background:linear-gradient(var(--cyan),var(--brand-deep));transition:height 1.7s var(--ease)}
.gauge__body{display:flex;flex-direction:column;gap:.5rem}
.gauge__read{display:flex;align-items:flex-start;line-height:1}
.gauge__num{font-family:var(--mono);font-size:3.4rem;font-weight:500;color:var(--ink);font-variant-numeric:tabular-nums}
.gauge__deg{font-family:var(--mono);font-size:1.3rem;color:var(--brand-deep);margin-top:.4rem}
.gauge__cap{font-size:.85rem;color:var(--body)}
.gauge__fig{position:absolute;right:1.4rem;top:1.4rem}

/* ---------- certificados ---------- */
.cert__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.cert__h{font-size:var(--h2);margin:.3rem 0 .8rem}
.cert__sub{color:var(--body);font-size:1.05rem;max-width:40ch;margin-bottom:1.8rem}
.cert__list{list-style:none;display:flex;flex-direction:column;gap:.8rem}
.cert__list li{display:flex;align-items:center;gap:.7rem;font-size:.96rem;color:var(--ink)}
.cert__list .ic{width:1.2rem;height:1.2rem}
.cert__card{
  position:relative;background:var(--surface);border:1px solid var(--hair);border-radius:var(--r3);
  box-shadow:var(--sh3);padding:1.8rem;max-width:420px;justify-self:center;width:100%;
}
.cert__cardtop{display:flex;align-items:center;justify-content:space-between;padding-bottom:1.1rem;border-bottom:1px solid var(--hair)}
.cert__cardtop img{height:26px;width:auto}
.cert__seal{display:grid;place-items:center;width:2.4rem;height:2.4rem;border-radius:50%;
  background:linear-gradient(160deg,var(--cyan),var(--brand-deep));color:#fff;box-shadow:0 8px 18px -8px rgba(34,101,158,.6)}
.cert__seal .ic{width:1.3rem;height:1.3rem}
.cert__kicker{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-deep);margin:1.1rem 0 1rem}
.cert__rows{display:grid;grid-template-columns:1fr 1fr;gap:.9rem 1.2rem}
.cert__rows>div{display:flex;flex-direction:column;gap:.15rem}
.cert__rows span{font-size:.72rem;color:var(--body);text-transform:uppercase;letter-spacing:.04em}
.cert__rows b{font-family:var(--mono);font-size:.92rem;color:var(--ink);font-weight:500}
.cert__valid{display:flex;align-items:center;gap:.8rem;margin-top:1.4rem;padding:.9rem 1rem;border-radius:var(--r2);
  background:var(--hair-2);border:1px solid var(--hair)}
.cert__tic{display:grid;place-items:center;width:2.2rem;height:2.2rem;border-radius:50%;background:rgba(21,160,106,.12);flex:none}
.cert__tic svg{width:1.5rem;height:1.5rem;fill:none}
.cert__tic svg path{stroke:var(--ok);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:34;stroke-dashoffset:34;transition:stroke-dashoffset .75s var(--ease) .25s}
.cert__card.is-in .cert__tic svg path{stroke-dashoffset:0}
.cert__valid b{font-family:var(--disp);font-weight:600;color:var(--ink);font-size:1rem;display:block}
.cert__valid span{font-size:.82rem;color:var(--body)}
.cert__note{position:absolute;right:1.2rem;bottom:.9rem;font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--body)}

/* ---------- empresas / B2B (banda azul profunda) ---------- */
.b2b{max-width:var(--wrap);margin:0 auto;padding-left:1.3rem;padding-right:1.3rem}
.b2b__inner{
  position:relative;overflow:hidden;border-radius:var(--r3);padding:clamp(2.4rem,5vw,4rem);
  background:linear-gradient(135deg,#143a5c,var(--brand-deep) 58%,var(--brand));color:#eaf3fb;
  box-shadow:var(--sh3);display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,4vw,3.5rem);align-items:center;
}
.b2b__inner::before{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background:radial-gradient(60% 80% at 85% 10%,rgba(63,177,222,.4),transparent 60%)}
.b2b__copy{position:relative;z-index:1}
.b2b__h{color:#fff;font-size:var(--h2);margin:.3rem 0 .8rem}
.b2b__h em{color:var(--cyan)}
.b2b__sub{color:#c7dcef;font-size:1.05rem;max-width:36ch;margin-bottom:1.8rem}
.b2b__cards{list-style:none;position:relative;z-index:1;display:flex;flex-direction:column;gap:.7rem}
.b2b__cards li{display:flex;align-items:center;gap:1rem;padding:1rem 1.1rem;border-radius:var(--r2);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}
.b2b__ic{display:grid;place-items:center;width:2.6rem;height:2.6rem;border-radius:.8rem;flex:none;
  background:rgba(255,255,255,.12);color:#fff}
.b2b__ic .ic{width:1.4rem;height:1.4rem}
.b2b__cards b{font-family:var(--disp);font-weight:600;color:#fff;font-size:1rem;display:block}
.b2b__cards span{font-size:.84rem;color:#bdd6ec}

/* ---------- contacto ---------- */
.contact__card{
  position:relative;overflow:hidden;max-width:760px;margin:0 auto;text-align:center;
  background:var(--surface);border:1px solid var(--hair);border-radius:var(--r3);box-shadow:var(--sh3);
  padding:clamp(2.6rem,6vw,4.5rem) 1.5rem;
}
.vapor--soft{z-index:0;opacity:.7}
.vapor--soft .plume{filter:blur(40px)}
.contact__card>*{position:relative;z-index:1}
.contact__h{font-size:var(--h2);margin:.3rem 0 .7rem}
.contact__sub{color:var(--body);font-size:1.05rem;max-width:34ch;margin:0 auto 2rem}
.contact__alt{display:flex;gap:1.6rem;flex-wrap:wrap;justify-content:center;margin-top:1.8rem}
.contact__alt a{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--mono);font-size:.9rem;color:var(--ink);
  transition:color .3s var(--ease)}
.contact__alt a:hover{color:var(--brand)}
.contact__alt .ic{width:1.15rem;height:1.15rem;color:var(--brand)}

/* ============================================================
   FOOTER
   ============================================================ */
.foot{max-width:var(--wrap);margin:0 auto;padding:clamp(3rem,6vw,4.5rem) 1.3rem 2.5rem}
.foot__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2rem;padding-bottom:2.2rem;border-bottom:1px solid var(--hair)}
.foot__brand img{height:34px;width:auto;margin-bottom:.9rem}
.foot__brand p{font-size:.92rem;color:var(--body);max-width:28ch}
.foot__t{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-deep);margin-bottom:.9rem}
.foot__col a{display:block;font-size:.92rem;color:var(--ink);padding:.25rem 0;transition:color .3s var(--ease)}
.foot__col a:hover{color:var(--brand)}
.foot__bar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;padding-top:1.6rem;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:var(--body)}
.foot__made{color:var(--brand-deep)}

/* ============================================================
   FAB WhatsApp
   ============================================================ */
.fab{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:55;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;color:#fff;
  background:linear-gradient(180deg,var(--wa),var(--wa-deep));
  box-shadow:0 14px 30px -10px rgba(11,115,48,.6),inset 0 1px 0 rgba(255,255,255,.3);
  transform:translateY(120%) scale(.7);opacity:0;transition:transform .55s var(--ease),opacity .4s var(--ease);
}
.fab.is-on{transform:none;opacity:1}
.fab:hover{transform:translateY(-2px) scale(1.05)}
.fab .ic{width:1.8rem;height:1.8rem}
.fab::after{content:"";position:absolute;inset:0;border-radius:50%;border:1.5px solid rgba(19,138,62,.55);
  animation:ring 2.6s var(--ease) infinite}
@keyframes ring{0%{transform:scale(1);opacity:.7}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}

/* ============================================================
   REVELADOS AL SCROLL
   ============================================================ */
.reveal{opacity:0;transform:translateY(22px);filter:blur(6px);
  transition:opacity .85s var(--ease),transform .85s var(--ease),filter .85s var(--ease)}
.reveal.in{opacity:1;transform:none;filter:none}
/* stagger en grupos */
.trust__row .reveal:nth-child(2){transition-delay:.07s}
.trust__row .reveal:nth-child(3){transition-delay:.14s}
.trust__row .reveal:nth-child(4){transition-delay:.21s}
.bento .svc:nth-child(2){transition-delay:.06s}
.bento .svc:nth-child(3){transition-delay:.12s}
.bento .svc:nth-child(4){transition-delay:.18s}
.bento .svc:nth-child(5){transition-delay:.24s}
.steps .step:nth-child(2){transition-delay:.08s}
.steps .step:nth-child(3){transition-delay:.16s}
.b2b__cards li:nth-child(2){transition-delay:.08s}
.b2b__cards li:nth-child(3){transition-delay:.16s}
.cert__list li:nth-child(2){transition-delay:.08s}
.cert__list li:nth-child(3){transition-delay:.16s}
.proof{transition-delay:.1s}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:960px){
  .vsec,.cert__grid,.b2b__inner{grid-template-columns:1fr;gap:2.4rem}
  .cert__card{justify-self:stretch;max-width:none}
  .gauge{min-height:240px}
  .foot__inner{grid-template-columns:1fr 1fr}
  .foot__brand{grid-column:1 / -1}
}
@media (max-width:820px){
  .nav__links{display:none}
  .nav__cta{display:none}
  .burger{display:block}
  .nav{padding:.5rem .5rem .5rem 1rem}
  .trust__row{grid-template-columns:repeat(2,1fr)}
  .bento{grid-template-columns:1fr}
  .svc--feat{grid-row:auto}
}
@media (max-width:560px){
  .hero{padding-top:7.5rem}
  .hero__cta{flex-direction:column;width:100%}
  .hero__cta .btn{width:100%;justify-content:center}
  .proof{gap:.5rem 1.1rem;font-size:.68rem}
  .trust__row{grid-template-columns:1fr 1fr}
  .cert__rows{grid-template-columns:1fr 1fr}
  .foot__inner{grid-template-columns:1fr}
  .foot__bar{flex-direction:column}
  .hero__fig{display:none}
  .gauge{flex-direction:row;padding:1.6rem;min-height:0}
  .gauge__tube{height:168px}
  .gauge__num{font-size:2.6rem}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .plume,.sweep::before,.fab::after{animation:none!important}
  .plume{opacity:.32}
  .reveal{opacity:1;transform:none;filter:none;transition:none}
  .gauge__fill,.cert__tic svg path{transition:none}
  .menu__links a span{transition:none}
}