/* ==========================================================================
   SDOBRAS — Aceros y Obras
   One-page · Identidad de marca · Motion
   Paleta: #212d45 (navy) · #ffc03d (ámbar) · #ffffff
   ========================================================================== */

:root{
  /* --- identidad --- */
  --navy:#212d45;
  --navy-2:#2b3a57;          /* superficie sobre navy */
  --navy-3:#1a2436;          /* navy profundo */
  --amber:#ffc03d;
  --amber-d:#f8b526;
  --white:#ffffff;
  --paper:#f5f5f5;
  --gray:#4b4f58;

  /* --- roles sobre fondo claro --- */
  --bg:var(--white);
  --bg-2:var(--paper);
  --surf:var(--white);
  --tx:var(--navy);
  --tx-2:var(--gray);
  --tx-3:#8a8f99;
  --line:rgba(33,45,69,.12);
  --line-2:rgba(33,45,69,.24);

  /* --- roles sobre navy --- */
  --d-tx:rgba(255,255,255,.96);
  --d-tx-2:rgba(255,255,255,.72);
  --d-tx-3:rgba(255,255,255,.5);
  --d-line:rgba(255,255,255,.16);

  --wa:#25d366;

  --ff:'Archivo','Helvetica Neue',Helvetica,Arial,sans-serif;
  --wrap:1280px;
  --pad:clamp(20px,5vw,64px);
  --sec-y:clamp(80px,11vw,160px);
  --r:4px;

  --e:cubic-bezier(.22,1,.36,1);
  --e-2:cubic-bezier(.65,0,.35,1);
  --hdr-h:78px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--tx);
  font-family:var(--ff);font-size:16px;line-height:1.6;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.025em;line-height:1.02}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--amber);color:var(--navy)}
:focus-visible{outline:2px solid var(--navy);outline-offset:3px}

/* Lenis */
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}
html:not(.lenis){scroll-behavior:smooth}

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

.skip{position:fixed;top:-100px;left:16px;z-index:999;background:var(--amber);color:var(--navy);
  padding:12px 18px;font-weight:700;transition:top .25s}
.skip:focus{top:16px}

/* ============ INTRO ============ */
.intro{position:fixed;inset:0;z-index:300;background:var(--navy);
  display:flex;align-items:center;justify-content:center}
.intro__panels{position:absolute;inset:0;display:flex}
.intro__panels i{flex:1;background:var(--navy);transform:translateY(0)}
.intro.is-out .intro__panels i{transform:translateY(-101%);transition:transform 1s var(--e)}
.intro.is-out .intro__panels i:nth-child(1){transition-delay:0s}
.intro.is-out .intro__panels i:nth-child(2){transition-delay:.07s}
.intro.is-out .intro__panels i:nth-child(3){transition-delay:.14s}
.intro.is-out .intro__panels i:nth-child(4){transition-delay:.21s}
.intro.is-out .intro__panels i:nth-child(5){transition-delay:.28s}
.intro.is-done{pointer-events:none;visibility:hidden}

.intro__inner{position:relative;z-index:2;width:min(420px,78vw);text-align:center;
  transition:opacity .45s var(--e),transform .45s var(--e)}
.intro.is-out .intro__inner{opacity:0;transform:translateY(-14px)}
.intro__logo{width:min(230px,62vw);margin:0 auto 28px;
  animation:introLogo 1s var(--e) both}
@keyframes introLogo{from{opacity:0;transform:translateY(16px) scale(.96)}to{opacity:1;transform:none}}
.intro__meta{display:flex;justify-content:space-between;align-items:baseline;
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--d-tx-3);margin-bottom:10px}
.intro__num b{color:var(--amber);font-weight:700;font-variant-numeric:tabular-nums}
.intro__track{height:2px;background:rgba(255,255,255,.18);overflow:hidden}
.intro__track span{display:block;height:100%;width:0;background:var(--amber)}

/* ============ PROGRESS ============ */
.prog{position:fixed;top:0;left:0;height:3px;width:100%;z-index:120;
  background:var(--amber);transform:scaleX(0);transform-origin:0 50%;
  will-change:transform;pointer-events:none}

/* ============ HEADER ============ */
.hdr{position:fixed;top:0;left:0;right:0;z-index:110;
  transition:transform .5s var(--e),background .35s,backdrop-filter .35s,box-shadow .35s}
.hdr.is-stuck{background:rgba(33,45,69,.92);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);box-shadow:0 1px 0 rgba(255,255,255,.1)}
.hdr.is-hidden{transform:translateY(-102%)}
.hdr__in{max-width:var(--wrap);margin-inline:auto;padding:0 var(--pad);
  height:var(--hdr-h);display:flex;align-items:center;gap:28px;transition:height .35s var(--e)}
.hdr.is-stuck .hdr__in{height:64px}
.hdr__logo{display:flex;align-items:center}
.hdr__logo img{width:118px;transition:width .35s var(--e)}
.hdr.is-stuck .hdr__logo img{width:104px}

.nav{display:flex;gap:4px;margin-left:auto}
.nav__l{position:relative;padding:9px 14px;font-size:13.5px;font-weight:600;
  color:var(--d-tx-2);letter-spacing:.01em;transition:color .28s}
.nav__l::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:0 50%;transition:transform .4s var(--e)}
.nav__l:hover{color:var(--white)}
.nav__l:hover::after,.nav__l.is-on::after{transform:scaleX(1)}
.nav__l.is-on{color:var(--white)}

.hdr__act{display:flex;align-items:center;gap:14px}
.hdr__tel{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;
  color:var(--d-tx-2);transition:color .28s;white-space:nowrap}
.hdr__tel svg{width:15px;height:15px;fill:var(--amber);flex:none}
.hdr__tel:hover{color:var(--white)}

.burger{display:none;width:44px;height:44px;margin-right:-10px;
  flex-direction:column;justify-content:center;align-items:center;gap:6px}
.burger i{display:block;width:22px;height:2px;background:var(--white);
  transition:transform .4s var(--e),opacity .25s}
.burger.is-on i:nth-child(1){transform:translateY(4px) rotate(45deg)}
.burger.is-on i:nth-child(2){transform:translateY(-4px) rotate(-45deg)}

/* ============ BOTONES ============ */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;
  padding:14px 26px;background:var(--amber);color:var(--navy);border-radius:var(--r);
  font-size:14px;font-weight:700;letter-spacing:.01em;overflow:hidden;
  isolation:isolate;white-space:nowrap;transition:color .35s var(--e)}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--navy);
  transform:translateY(101%);transition:transform .5s var(--e)}
.btn:hover{color:var(--white)}
.btn:hover::before{transform:translateY(0)}
.btn--sm{padding:11px 20px;font-size:13px}
.btn--lg{padding:17px 34px;font-size:15px}
.btn--full{width:100%}

/* fantasma sobre claro */
.btn--ghost{background:transparent;color:var(--navy);box-shadow:inset 0 0 0 1.5px var(--line-2)}
.btn--ghost::before{background:var(--navy)}
.btn--ghost:hover{color:var(--white)}
/* fantasma sobre navy */
.hero .btn--ghost,.band .btn--ghost{color:var(--white);box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.4)}
.hero .btn--ghost::before,.band .btn--ghost::before{background:var(--white)}
.hero .btn--ghost:hover,.band .btn--ghost:hover{color:var(--navy)}

/* ============ ANIMACIONES BASE ============ */
[data-anim="fade"]{opacity:0;transform:translateY(26px);
  transition:opacity .85s var(--e),transform .85s var(--e)}
[data-anim="fade"].is-in{opacity:1;transform:none}
[data-delay="1"]{transition-delay:.1s}
[data-delay="2"]{transition-delay:.2s}
[data-delay="3"]{transition-delay:.3s}

[data-stagger]>*{opacity:0;transform:translateY(34px);
  transition:opacity .9s var(--e),transform .9s var(--e)}
[data-stagger].is-in>*{opacity:1;transform:none}
[data-stagger].is-in>*:nth-child(1){transition-delay:.04s}
[data-stagger].is-in>*:nth-child(2){transition-delay:.14s}
[data-stagger].is-in>*:nth-child(3){transition-delay:.24s}
[data-stagger].is-in>*:nth-child(4){transition-delay:.34s}

.w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.w>i{display:inline-block;font-style:inherit;transform:translateY(110%);
  transition:transform .95s var(--e)}
[data-split].is-in .w>i{transform:translateY(0)}

/* ============ HERO ============ */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;
  padding-top:calc(var(--hdr-h) + 32px);padding-bottom:clamp(52px,7vw,96px);
  overflow:hidden;background:var(--navy)}
.hero__bg{position:absolute;inset:-12% 0 -12%;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center;
  filter:grayscale(.55) contrast(1.05) brightness(.62);
  transform:scale(1.14);animation:heroZoom 2.6s var(--e) .35s forwards;will-change:transform}
@keyframes heroZoom{to{transform:scale(1)}}
.hero__grad{position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(to top,var(--navy) 1%,rgba(33,45,69,.86) 32%,rgba(33,45,69,.6) 68%,rgba(33,45,69,.9) 100%),
    radial-gradient(110% 75% at 82% 22%,rgba(255,192,61,.2),transparent 62%)}
.hero__in{position:relative;z-index:2;color:var(--d-tx)}

.eyebrow{display:inline-flex;align-items:center;gap:10px;margin-bottom:clamp(14px,2vh,22px);
  font-size:11.5px;font-weight:700;letter-spacing:.26em;text-transform:uppercase;color:var(--tx-2)}
.eyebrow i{display:block;width:30px;height:2px;background:var(--amber)}
.eyebrow--hero,.eyebrow--lt{color:var(--amber)}

.hero__h1{font-size:clamp(2.4rem,min(6.9vw,8.8vh),5.4rem);font-weight:900;letter-spacing:-.035em;
  max-width:16ch;text-wrap:balance;color:var(--white)}
.hero__sub{margin-top:clamp(16px,2.2vh,26px);max-width:56ch;
  font-size:clamp(1rem,1.35vw,1.2rem);color:var(--d-tx-2)}
.hero__sub strong{color:var(--white);font-weight:700}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(24px,3.4vh,38px)}
.hero__facts{display:flex;flex-wrap:wrap;gap:10px 34px;margin-top:clamp(26px,4vh,46px);
  padding-top:clamp(16px,2.4vh,24px);border-top:1px solid var(--d-line);
  font-size:13px;color:var(--d-tx-2)}
.hero__facts b{color:var(--white);font-weight:700}

.hero__scroll{position:absolute;z-index:2;left:var(--pad);bottom:22px;
  display:none;align-items:center;gap:10px;font-size:10.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--d-tx-3)}
.hero__scroll i{display:block;width:2px;height:38px;background:linear-gradient(var(--amber),transparent);
  animation:scrollLine 1.9s ease-in-out infinite}
@keyframes scrollLine{0%,100%{transform:scaleY(.35);opacity:.5}50%{transform:scaleY(1);opacity:1}}
@media (min-width:1100px){.hero{align-items:center}.hero__scroll{display:flex}}

/* ============ MARQUEE ============ */
.mq{background:var(--navy);overflow:hidden;padding:18px 0}
.mq__t{display:flex;width:max-content;animation:mq 34s linear infinite}
.mq__t span{display:inline-flex;align-items:center;gap:.6em;padding-right:.6em;
  font-size:clamp(1.05rem,2vw,1.6rem);font-weight:800;letter-spacing:-.02em;
  text-transform:uppercase;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.42);white-space:nowrap}
.mq__t i{font-style:normal;color:var(--amber);-webkit-text-stroke:0;font-size:.55em}
@keyframes mq{to{transform:translateX(-50%)}}

/* ============ SECCIONES ============ */
.sec{padding-block:var(--sec-y);position:relative;background:var(--white)}
.sec--alt{background:var(--paper)}
.sec__hd{max-width:760px;margin-bottom:clamp(44px,5vw,72px)}
.h2{font-size:clamp(1.95rem,4.4vw,3.5rem);font-weight:800;letter-spacing:-.032em;
  text-wrap:balance;color:var(--navy)}
.sec__lead{margin-top:20px;max-width:58ch;font-size:clamp(1rem,1.2vw,1.1rem);color:var(--tx-2)}

.grid{display:grid;gap:clamp(14px,1.6vw,22px)}
.grid--4{grid-template-columns:repeat(4,1fr)}

/* ============ CARDS ============ */
.card{position:relative;display:flex;flex-direction:column;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:border-color .45s var(--e),transform .55s var(--e),box-shadow .5s var(--e)}
.card:hover{border-color:rgba(33,45,69,.2);transform:translateY(-6px);
  box-shadow:0 18px 44px -18px rgba(33,45,69,.34)}
.card__img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--navy)}
.card__img::after{content:"";position:absolute;inset:0;background:rgba(33,45,69,.3);
  transition:opacity .55s var(--e)}
.card:hover .card__img::after{opacity:0}
.card__img img{width:100%;height:100%;object-fit:cover;
  filter:grayscale(.6) contrast(1.04);
  transform:scale(1.02);transition:transform .9s var(--e),filter .6s var(--e)}
.card:hover .card__img img{transform:scale(1.09);filter:grayscale(0) contrast(1.04)}

.card__bd{display:flex;flex-direction:column;flex:1;padding:22px 22px 20px;gap:14px}
.card__t{font-size:1.14rem;font-weight:800;letter-spacing:-.02em;line-height:1.16;color:var(--navy)}
.card__ul{display:flex;flex-direction:column;gap:7px;flex:1;font-size:13.5px;color:var(--tx-2)}
.card__ul li{position:relative;padding-left:16px}
.card__ul li::before{content:"";position:absolute;left:0;top:.58em;width:7px;height:2px;background:var(--amber)}
.card__lk{display:inline-flex;align-items:center;gap:9px;min-height:40px;margin-top:-6px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--tx-2);
  transition:color .35s}
.card__lk::after{content:"";position:absolute;inset:0;z-index:1}
.card__lk i{display:block;width:20px;height:2px;background:var(--amber);
  transition:width .4s var(--e)}
.card:hover .card__lk{color:var(--navy)}
.card:hover .card__lk i{width:34px}

/* ============ BANDA ============ */
.band{position:relative;padding-block:clamp(80px,10vw,140px);overflow:hidden;
  text-align:center;background:var(--navy)}
.band__bg{position:absolute;inset:-12% 0}
.band__bg img{width:100%;height:100%;object-fit:cover;
  filter:grayscale(.85) brightness(.42);transform:scale(1.08);will-change:transform}
.band::after{content:"";position:absolute;inset:0;
  background:radial-gradient(72% 92% at 50% 50%,rgba(255,192,61,.22),transparent 64%),rgba(33,45,69,.62)}
.band__in{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center}
.band__h{font-size:clamp(1.7rem,3.8vw,3.1rem);font-weight:800;letter-spacing:-.03em;
  max-width:20ch;text-wrap:balance;color:var(--white)}
.band__cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:36px}

/* ============ DESCARGAS ============ */
.dl{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,80px);align-items:start}
.dl__tx .sec__lead{max-width:46ch}
.dl__ls{display:flex;flex-direction:column;gap:14px;padding-top:6px}
.doc{position:relative;display:grid;grid-template-columns:auto 1fr auto;align-items:center;
  gap:20px;padding:26px;background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;transition:border-color .45s var(--e),transform .5s var(--e),box-shadow .5s var(--e)}
.doc::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--amber);
  transform:scaleY(0);transform-origin:50% 100%;transition:transform .5s var(--e)}
.doc:hover{border-color:rgba(33,45,69,.2);transform:translateX(5px);
  box-shadow:0 14px 34px -16px rgba(33,45,69,.3)}
.doc:hover::before{transform:scaleY(1)}
.doc__ic{display:grid;place-items:center;width:48px;height:48px;flex:none;
  background:var(--amber);color:var(--navy);border-radius:var(--r);
  font-size:11px;font-weight:800;letter-spacing:.1em}
.doc__bd{display:flex;flex-direction:column;gap:5px}
.doc__bd b{font-size:1.02rem;font-weight:700;letter-spacing:-.015em;color:var(--navy)}
.doc__bd em{font-style:normal;font-size:13.5px;color:var(--tx-2)}
.doc__go{position:relative;width:34px;height:34px;flex:none;border-radius:50%;color:var(--navy);
  box-shadow:inset 0 0 0 1.5px var(--line-2);transition:background .4s,box-shadow .4s,color .4s}
.doc__go::before,.doc__go::after{content:"";position:absolute;background:currentColor}
.doc__go::before{left:12px;right:12px;top:16px;height:2px}
.doc__go::after{left:16px;top:12px;bottom:12px;width:2px}
.doc:hover .doc__go{background:var(--navy);box-shadow:inset 0 0 0 1.5px var(--navy);color:var(--white)}
.doc__cta{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ============ COTIZAR ============ */
.quo{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(40px,5vw,86px);align-items:start}
.quo__info{display:grid;grid-template-columns:1fr 1fr;gap:26px 30px;margin-top:46px;
  padding-top:34px;border-top:1px solid var(--line)}
.quo__info li{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--tx-2)}
.quo__info span{font-size:10.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:var(--tx-3);margin-bottom:5px}
.quo__info a{color:var(--navy);font-weight:600;
  box-shadow:inset 0 -1px 0 transparent;transition:box-shadow .3s}
.quo__info a:hover{box-shadow:inset 0 -2px 0 var(--amber)}
.quo__info b{color:var(--navy);font-weight:700}

.quo__fm{background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(26px,3vw,40px);box-shadow:0 20px 50px -30px rgba(33,45,69,.4)}
.fm{display:flex;flex-direction:column;gap:18px}
.fm__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}

.fld{position:relative}
.fld input,.fld textarea{width:100%;padding:26px 16px 11px;background:var(--paper);color:var(--navy);
  border:1.5px solid transparent;border-radius:var(--r);font:inherit;font-size:15px;
  transition:border-color .3s,background .3s;resize:vertical}
.fld textarea{min-height:120px}
.fld label{position:absolute;left:17px;top:18px;font-size:14px;color:var(--tx-3);
  pointer-events:none;transform-origin:0 0;transition:transform .28s var(--e),color .28s}
.fld label i{color:var(--amber-d);font-style:normal}
.fld input:focus,.fld textarea:focus{outline:none;border-color:var(--amber);background:var(--white)}
.fld input:focus+label,.fld textarea:focus+label,
.fld input:not(:placeholder-shown)+label,.fld textarea:not(:placeholder-shown)+label{
  transform:translateY(-10px) scale(.76);color:var(--tx-2)}
.fld.is-bad input,.fld.is-bad textarea{border-color:#d92d20}

.fm__note{font-size:12.5px;line-height:1.55;color:var(--tx-3)}
.fm__note a{color:var(--navy);font-weight:700;box-shadow:inset 0 -2px 0 var(--amber)}
.fm__msg{display:none;padding:14px 16px;border-radius:var(--r);font-size:14px;font-weight:600}
.fm__msg.is-ok{display:block;background:#e8f7ee;color:#0d6832;
  box-shadow:inset 0 0 0 1px rgba(13,104,50,.22)}
.fm__msg.is-err{display:block;background:#fdeceb;color:#a4231c;
  box-shadow:inset 0 0 0 1px rgba(164,35,28,.22)}
.fm__msg a{box-shadow:inset 0 -2px 0 currentColor}

/* ============ FOOTER ============ */
.ft{background:var(--navy);color:var(--d-tx);padding-top:clamp(56px,7vw,90px)}
.ft__in{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px 36px}
.ft__c h3{margin-bottom:20px;font-size:11px;font-weight:800;letter-spacing:.22em;
  text-transform:uppercase;color:var(--amber)}
.ft__c ul li+li{margin-top:11px}
.ft__c ul a,.ft__c address a{font-size:14px;color:var(--d-tx-2);transition:color .3s}
.ft__c ul a:hover,.ft__c address a:hover{color:var(--amber)}
.ft__c address{font-style:normal;font-size:14px;color:var(--d-tx-2);line-height:1.75}
.ft__c--brand img{width:150px;margin-bottom:18px}
.ft__c--brand p{max-width:34ch;font-size:14px;color:var(--d-tx-2)}
.ft__hr{margin-top:22px;font-size:13px;color:var(--d-tx-2)}
.ft__hr li{display:flex;justify-content:space-between;gap:16px;max-width:260px;
  padding:7px 0;border-bottom:1px solid var(--d-line)}
.ft__hr b{color:var(--white);font-weight:600}

.ft__bt{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;
  margin-top:clamp(46px,5vw,70px);padding-block:26px;border-top:1px solid var(--d-line)}
.ft__bt p{font-size:12.5px;color:var(--d-tx-3)}

/* ============ WHATSAPP ============ */
.wa{position:fixed;right:20px;bottom:20px;z-index:100;
  display:inline-flex;align-items:center;gap:0;height:56px;padding:0 16px;
  background:var(--wa);color:#fff;border-radius:40px;overflow:hidden;
  box-shadow:0 10px 30px rgba(33,45,69,.35);
  transform:translateY(90px) scale(.9);opacity:0;
  transition:transform .6s var(--e),opacity .5s var(--e),padding .45s var(--e)}
.wa.is-vis{transform:none;opacity:1}
.wa svg{width:26px;height:26px;fill:#fff;flex:none}
.wa__tip{max-width:0;overflow:hidden;white-space:nowrap;font-size:13.5px;font-weight:600;
  transition:max-width .55s var(--e),margin .55s var(--e)}
@media (hover:hover){.wa:hover .wa__tip{max-width:280px;margin-left:11px}}
.wa::after{content:"";position:absolute;inset:0;border-radius:40px;
  box-shadow:0 0 0 0 rgba(37,211,102,.5);animation:waPulse 2.8s ease-out infinite}
@keyframes waPulse{to{box-shadow:0 0 0 20px rgba(37,211,102,0)}}

/* ============ RESPONSIVE ============ */
@media (max-width:1180px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  :root{--hdr-h:66px}
  .nav{position:fixed;inset:0;margin:0;z-index:-1;
    flex-direction:column;justify-content:center;align-items:flex-start;gap:6px;
    padding:0 var(--pad);background:var(--navy);
    clip-path:inset(0 0 100% 0);transition:clip-path .7s var(--e);pointer-events:none}
  .nav.is-open{clip-path:inset(0 0 0 0);pointer-events:auto}
  .nav__l{width:100%;font-size:clamp(1.9rem,8vw,2.8rem);font-weight:800;letter-spacing:-.03em;
    padding:10px 0;color:var(--white);opacity:0;transform:translateY(24px);
    transition:opacity .5s var(--e),transform .5s var(--e),color .3s}
  .nav.is-open .nav__l{opacity:1;transform:none}
  .nav.is-open .nav__l:nth-child(1){transition-delay:.18s}
  .nav.is-open .nav__l:nth-child(2){transition-delay:.25s}
  .nav.is-open .nav__l:nth-child(3){transition-delay:.32s}
  .nav.is-open .nav__l:nth-child(4){transition-delay:.39s}
  .nav.is-open .nav__l:nth-child(5){transition-delay:.46s}
  .nav__l::after{left:0;right:auto;width:46px;bottom:8px}
  .hdr__in{gap:12px}
  .hdr__act{margin-left:auto}
  .burger{display:flex;position:relative;z-index:2}
  .hdr__tel span{display:none}
  .hdr__tel{width:42px;height:42px;justify-content:center;
    box-shadow:inset 0 0 0 1.5px var(--d-line);border-radius:var(--r)}
  .hdr__tel svg{width:17px;height:17px}
  .dl,.quo{grid-template-columns:1fr}
  .ft__in{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  :root{--sec-y:clamp(64px,14vw,92px)}
  .hero{min-height:92svh}
  .hero__facts{flex-direction:column;gap:8px}
  .grid--4{grid-template-columns:1fr}
  .fm__row{grid-template-columns:1fr}
  .quo__info{grid-template-columns:1fr;gap:20px 30px}
  .quo__info a{display:inline-block;padding:9px 0}
  .ft__in{grid-template-columns:1fr;gap:34px}
  .ft__c ul li+li{margin-top:0}
  .ft__c ul a,.ft__c address a{display:inline-block;padding:13px 0}
  .doc{grid-template-columns:auto 1fr;padding:20px}
  .doc__go{display:none}
  .btn--lg{width:100%;padding:16px 24px}
  .hero__cta,.band__cta{width:100%}
  .wa{right:14px;bottom:14px;height:52px}
  .ft__bt{text-align:center}
}
@media (max-width:380px){
  .hdr__logo img{width:98px}
}

/* ============ ACCESIBILIDAD ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  [data-anim],[data-stagger]>*{opacity:1!important;transform:none!important}
  .w>i{transform:none!important}
  .hero__bg img{transform:none}
  .mq__t{animation:none}
  .wa{opacity:1;transform:none}
  .intro{display:none}
}