/* ============================================================
   INOVA TECH — Sistemas Elétricos e Automação
   Identidade extraída do portfólio institucional (Apresentação)
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --navy-950:#070E1A;
  --navy-900:#0A1628;
  --navy-800:#11253F;
  --navy-700:#1B3557;
  --blue-600:#1F5FA9;
  --blue-500:#2B7BC9;
  --cyan-500:#3EC6E0;
  --cyan-400:#63D6EC;
  --graphite:#262B30;      /* faixa lateral do portfólio */

  --ink:#16202C;
  --ink-soft:#3D4A59;
  --steel:#64748B;
  --line:#E3E8EF;
  --tint:#F4F7FA;
  --white:#FFFFFF;

  --green-600:#3F8F4E;
  --green-500:#5BAE63;
  --plum:#5C566E;
  --wine:#8A4A63;
  --amber:#E8983C;        /* ícone */
  --amber-deep:#BE7620;   /* fundo com texto branco — contraste AA */

  --grad-blue:linear-gradient(135deg,#153A6B 0%,#1F5FA9 45%,#3EC6E0 100%);
  --grad-cyan:linear-gradient(135deg,#1F5FA9 0%,#3EC6E0 100%);

  --font-title:"Poppins","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-body:"Inter","Segoe UI",system-ui,-apple-system,sans-serif;

  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(10,22,40,.06);
  --shadow-md:0 14px 40px rgba(10,22,40,.10);
  --shadow-lg:0 30px 70px rgba(10,22,40,.18);

  --header-h:78px;
  --pad:clamp(1.25rem,4vw,2.5rem);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:clamp(1rem,.97rem + .15vw,1.0625rem);
  line-height:1.7;
  color:var(--ink-soft);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-600);text-decoration:none}
a:hover{color:var(--blue-500)}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}

h1,h2,h3{
  font-family:var(--font-title);
  color:var(--ink);
  line-height:1.15;
  letter-spacing:-.02em;
  margin:0 0 .6em;
  font-weight:600;
}
h1{font-size:clamp(2.15rem,1.5rem + 3.1vw,3.9rem);font-weight:700}
h2{font-size:clamp(1.7rem,1.25rem + 2vw,2.7rem)}
h3{font-size:clamp(1.05rem,1rem + .4vw,1.25rem)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
strong{color:var(--ink);font-weight:600}

:focus-visible{outline:3px solid var(--cyan-500);outline-offset:3px;border-radius:6px}

.skip-link{
  position:fixed;left:0;top:0;z-index:200;transform:translateY(-120%);
  background:var(--navy-900);color:#fff;padding:.75rem 1.25rem;border-radius:0 0 10px 0;
  transition:transform .2s ease;
}
.skip-link:focus{transform:none;color:#fff}

/* ---------- Layout ---------- */
.container{width:min(1180px,100% - var(--pad)*2);margin-inline:auto}
.section{padding:clamp(4rem,9vw,7.5rem) 0}
.section--tint{background:var(--tint)}
.section--dark{background:var(--navy-900);color:rgba(255,255,255,.76)}
.section--dark h2,.section--dark h3,.section--dark strong{color:#fff}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.grid-2>*{min-width:0}
.grid-2--reverse .media-frame{order:2}

.section-head{max-width:62ch;margin-bottom:clamp(2.25rem,4vw,3.25rem)}
.section-head--center{margin-inline:auto;text-align:center}

.eyebrow{
  font-family:var(--font-title);font-weight:600;font-size:.775rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--blue-600);
  margin:0 0 .9rem;display:flex;align-items:center;gap:.6rem;
}
.section-head--center .eyebrow{justify-content:center}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad-cyan);border-radius:2px}
.eyebrow--light{color:var(--cyan-400)}
.eyebrow--green{color:var(--green-600)}
.eyebrow--green::before{background:linear-gradient(135deg,var(--green-600),var(--green-500))}

.lead{font-size:clamp(1.05rem,1rem + .35vw,1.2rem);color:var(--ink-soft)}
.section--dark .lead{color:rgba(255,255,255,.82)}

/* ---------- Botões ---------- */
.btn{
  --btn-bg:transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-title);font-weight:600;font-size:.925rem;letter-spacing:.01em;
  padding:.8rem 1.5rem;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  white-space:nowrap;
}
.btn--lg{padding:1rem 2rem;font-size:1rem}
.btn--block{width:100%}
.btn--primary{background:var(--grad-cyan);color:#fff;box-shadow:0 10px 26px rgba(31,95,169,.32)}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(31,95,169,.42)}
.btn--ghost{border-color:rgba(255,255,255,.45);color:#fff;backdrop-filter:blur(4px)}
.btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn--outline{border-color:var(--line);color:var(--ink);background:var(--white)}
.btn--outline:hover{border-color:var(--cyan-500);color:var(--blue-600);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.section .btn--ghost,.cta .btn--ghost{border-color:rgba(255,255,255,.5)}

/* ---------- Header ---------- */
.header{
  position:fixed;inset:0 0 auto;z-index:100;
  transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
}
.header__inner{display:flex;align-items:center;gap:1.5rem;height:var(--header-h)}
.header.is-stuck{background:rgba(10,22,40,.94);backdrop-filter:blur(12px);box-shadow:0 6px 24px rgba(7,14,26,.35)}

.brand{display:flex;align-items:center;flex:0 0 auto}
.brand__logo{height:38px;width:auto}

.nav{margin-left:auto;display:flex;align-items:center;gap:2rem}
.nav__list{display:flex;align-items:center;gap:1.6rem}
.nav__list a{
  font-family:var(--font-title);font-weight:500;font-size:.9rem;color:rgba(255,255,255,.86);
  position:relative;padding-block:.35rem;
}
.nav__list a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--grad-cyan);
  border-radius:2px;transition:width .25s ease;
}
.nav__list a:hover,.nav__list a.is-active{color:#fff}
.nav__list a:hover::after,.nav__list a.is-active::after{width:100%}
.nav__cta{padding:.7rem 1.3rem;font-size:.875rem}

.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border:0;border-radius:12px;
  background:rgba(255,255,255,.1);cursor:pointer;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .25s ease,opacity .2s 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)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--navy-950);color:#fff;isolation:isolate;overflow:hidden}
.hero__media{position:absolute;inset:0;z-index:-2}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(7,14,26,.94) 0%,rgba(7,14,26,.86) 38%,rgba(7,14,26,.5) 70%,rgba(7,14,26,.62) 100%),
    linear-gradient(180deg,rgba(7,14,26,.9) 0%,rgba(7,14,26,.15) 35%,rgba(7,14,26,.85) 100%);
}
.hero__inner{
  position:relative;padding-top:calc(var(--header-h) + clamp(4rem,10vw,7.5rem));
  padding-bottom:clamp(4rem,9vw,7rem);max-width:min(56rem,100%);
}
.hero h1{color:#fff;max-width:19ch}
.hero__lead{font-size:clamp(1.05rem,1rem + .5vw,1.3rem);color:rgba(255,255,255,.85);max-width:56ch}
.hero__lead strong{color:#fff}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2.2rem}

.hero__stats{position:relative;border-top:1px solid rgba(255,255,255,.14);background:rgba(7,14,26,.55);backdrop-filter:blur(6px)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.25rem,3vw,2.5rem);padding:clamp(1.75rem,3vw,2.5rem) 0}
.stat{display:flex;flex-direction:column;gap:.35rem;position:relative;padding-left:1.25rem}
.stat::before{content:"";position:absolute;left:0;top:.35rem;bottom:.35rem;width:3px;border-radius:3px;background:var(--grad-cyan)}
.stat__num{font-family:var(--font-title);font-weight:700;font-size:clamp(1.9rem,1.4rem + 1.6vw,2.6rem);color:#fff;line-height:1}
.stat__num--text{font-size:clamp(1.15rem,1rem + .7vw,1.5rem);letter-spacing:.02em}
.stat__sep{color:var(--cyan-500);margin-inline:.35rem}
.stat__label{font-size:.85rem;line-height:1.5;color:rgba(255,255,255,.66)}

/* ---------- Clientes ---------- */
.clients{background:var(--white);padding:clamp(2.5rem,5vw,3.75rem) 0;border-bottom:1px solid var(--line)}
.clients__title{
  text-align:center;font-family:var(--font-title);font-size:.8rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--steel);margin-bottom:2rem;
}
.clients__grid{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:clamp(2rem,7vw,5rem)}
.clients__grid img{
  height:clamp(32px,4.4vw,46px);width:auto;opacity:.62;filter:grayscale(1);
  transition:opacity .3s ease,filter .3s ease;
}
.clients__grid li:hover img{opacity:1;filter:grayscale(0)}
.clients__grid li:nth-child(1) img{height:clamp(22px,3.2vw,32px)} /* Stellantis: wordmark largo */

/* ---------- Media frame ---------- */
.media-frame{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:auto 0 0 0;height:45%;
  background:linear-gradient(180deg,transparent,rgba(7,14,26,.55));pointer-events:none;
}
.media-frame__tag{
  position:absolute;left:1.25rem;bottom:1.25rem;z-index:2;
  font-family:var(--font-title);font-size:.75rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:#fff;background:rgba(31,95,169,.85);padding:.45rem .9rem;border-radius:999px;backdrop-filter:blur(4px);
}
.media-frame--dark{box-shadow:var(--shadow-lg)}

.result-badge{
  position:absolute;right:1.1rem;bottom:1.1rem;z-index:2;max-width:15rem;
  background:rgba(255,255,255,.95);border-radius:var(--radius);padding:1rem 1.1rem;
  box-shadow:var(--shadow-md);
}
.result-badge strong{
  display:block;font-family:var(--font-title);font-size:1.8rem;line-height:1;
  background:var(--grad-cyan);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.result-badge span{display:block;margin-top:.35rem;font-size:.8rem;line-height:1.45;color:var(--ink-soft)}

/* ---------- Missão / visão ---------- */
.mv{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2rem}
.mv__item{background:var(--tint);border-left:3px solid var(--cyan-500);border-radius:0 var(--radius) var(--radius) 0;padding:1.15rem 1.25rem}
.mv__item h3{margin-bottom:.35rem;font-size:1rem}
.mv__item p{font-size:.925rem;margin:0}

/* ---------- Pilares ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.pillar{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(1.75rem,3vw,2.25rem);box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(62,198,224,.5)}
.pillar__icon{
  display:grid;place-items:center;width:54px;height:54px;border-radius:16px;
  background:var(--grad-cyan);color:#fff;margin-bottom:1.25rem;
}
.pillar__icon svg{width:26px;height:26px}
.pillar p{margin:0;font-size:.95rem}

/* ---------- Cards de serviço ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.card{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(1.75rem,3vw,2.25rem);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--grad-cyan);transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.card:hover::before{transform:scaleX(1)}
.card__index{
  font-family:var(--font-title);font-weight:700;font-size:.85rem;letter-spacing:.1em;
  color:var(--cyan-500);display:block;margin-bottom:.85rem;
}
.card p{font-size:.95rem}
.ticks{margin-top:1.25rem;display:grid;gap:.6rem}
.ticks li{position:relative;padding-left:1.6rem;font-size:.9rem;color:var(--ink-soft)}
.ticks li::before{
  content:"";position:absolute;left:0;top:.5em;width:9px;height:9px;border-radius:50%;
  background:var(--grad-cyan);box-shadow:0 0 0 4px rgba(62,198,224,.15);
}

/* ---------- Callout ---------- */
.callout{
  margin-top:2.5rem;display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3rem);
  background:var(--grad-blue);color:rgba(255,255,255,.85);border-radius:var(--radius-lg);
  padding:clamp(1.9rem,4vw,3rem);
}
.callout h3{color:#fff}
.callout p{margin:0;font-size:.975rem}
.callout strong{color:#fff}

/* ---------- Automação ---------- */
.expertise{display:grid;gap:1.5rem;margin-top:2rem}
.expertise__item{padding-left:1.4rem;border-left:2px solid rgba(62,198,224,.35);position:relative}
.expertise__item::before{
  content:"";position:absolute;left:-6px;top:.5rem;width:10px;height:10px;border-radius:50%;
  background:var(--cyan-500);box-shadow:0 0 0 4px rgba(62,198,224,.18);
}
.expertise__item h3{margin-bottom:.3rem;font-size:1.02rem}
.expertise__item p{margin:0;font-size:.94rem;color:rgba(255,255,255,.7)}

/* ---------- Eficiência energética ---------- */
.energy{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.75rem,4vw,3rem);align-items:start}
.energy__list{display:grid;gap:1rem}
.energy__item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.35rem 1.5rem;border-left:3px solid var(--green-500);
  transition:transform .25s ease,box-shadow .25s ease;
}
.energy__item:hover{transform:translateX(4px);box-shadow:var(--shadow-sm)}
.energy__item h3{margin-bottom:.3rem;font-size:1.02rem}
.energy__item p{margin:0;font-size:.94rem}

.energy__case{border-radius:var(--radius-lg);overflow:hidden;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-md)}
.energy__case img{width:100%;aspect-ratio:16/9;object-fit:cover}
.energy__case-body{padding:clamp(1.5rem,3vw,2rem)}
.chip{
  display:inline-block;font-family:var(--font-title);font-size:.72rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;padding:.35rem .8rem;border-radius:999px;
}
.chip--green{background:rgba(91,174,99,.14);color:var(--green-600)}
.energy__big{font-family:var(--font-title);font-size:1.35rem;color:var(--ink);margin:.9rem 0 .6rem}
.energy__big strong{font-size:2.1rem;color:var(--green-600);line-height:1;margin-right:.35rem}
.energy__case-body p:last-child{font-size:.94rem}

/* ---------- Cases ---------- */
.case{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--white);
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.case__top{display:grid;place-items:center;padding:2rem 1rem;background:var(--white);border-bottom:1px solid var(--line)}
.case__icon svg{width:38px;height:38px}
.case__body{flex:1;padding:1.75rem;color:rgba(255,255,255,.85)}
.case__body h3{color:#fff;margin-bottom:.5rem}
.case__body p{font-size:.93rem;margin:0}
.case__metric{
  display:block;font-family:var(--font-title);font-weight:700;
  font-size:2rem;line-height:1;color:#fff;margin-bottom:.5rem;
}
.case--plum .case__body{background:var(--plum)}
.case--plum .case__icon{color:var(--plum)}
.case--wine .case__body{background:var(--wine)}
.case--wine .case__icon{color:var(--wine)}
.case--amber .case__body{background:var(--amber-deep)}
.case--amber .case__icon{color:var(--amber)}
.cases__note{max-width:70ch;margin:2.75rem auto 0;text-align:center;font-size:.975rem}

/* ---------- Equipe ---------- */
.certs{background:var(--navy-900);border-radius:var(--radius-lg);padding:clamp(1.9rem,4vw,2.75rem);box-shadow:var(--shadow-lg)}
.certs__title{color:#fff;font-size:1.1rem;margin-bottom:1.4rem}
.certs__list{display:grid;gap:.9rem}
.certs__list li{
  display:flex;align-items:flex-start;gap:.85rem;color:rgba(255,255,255,.8);font-size:.95rem;
  padding-bottom:.9rem;border-bottom:1px solid rgba(255,255,255,.1);
}
.certs__list li:last-child{border-bottom:0;padding-bottom:0}
.certs__list li::before{
  content:"";flex:0 0 auto;width:20px;height:20px;margin-top:.2rem;border-radius:6px;
  background:var(--grad-cyan);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7'/%3E%3C/svg%3E") center/16px no-repeat,
        linear-gradient(#000,#000);
  -webkit-mask-composite:xor;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7'/%3E%3C/svg%3E") center/16px no-repeat,
       linear-gradient(#000,#000);
  mask-composite:exclude;
}

/* ---------- CTA ---------- */
.cta{background:var(--grad-blue);color:rgba(255,255,255,.88);padding:clamp(3rem,6vw,4.5rem) 0}
.cta__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:2rem}
.cta h2{color:#fff;margin-bottom:.4rem}
.cta p{margin:0}
.cta__actions{display:flex;flex-wrap:wrap;gap:.9rem}

/* ---------- Contato ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}
.contact-card{
  display:flex;flex-direction:column;gap:.35rem;min-width:0;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(1.5rem,2.6vw,1.9rem);box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.contact-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(62,198,224,.5)}
.contact-card__icon{
  display:grid;place-items:center;width:48px;height:48px;border-radius:14px;
  background:rgba(62,198,224,.12);color:var(--blue-600);margin-bottom:.85rem;
}
.contact-card__icon svg{width:22px;height:22px}
.contact-card strong{
  font-family:var(--font-title);font-size:.75rem;font-weight:600;letter-spacing:.13em;
  text-transform:uppercase;color:var(--steel);
}
.contact-card a{
  font-family:var(--font-title);font-size:.95rem;font-weight:500;color:var(--ink);
  overflow-wrap:break-word;line-height:1.45;letter-spacing:-.01em;
}
.contact-card a:hover{color:var(--blue-600)}
.contact-card__note{margin-top:.5rem;font-size:.85rem;color:var(--steel);line-height:1.5}

.contact-actions{
  display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;
  margin-top:clamp(2rem,4vw,2.75rem);
}

/* ---------- Footer ---------- */
.footer{background:var(--graphite);color:rgba(255,255,255,.66);padding-top:clamp(3rem,6vw,4.5rem)}
.footer__inner{display:grid;grid-template-columns:1.1fr 2fr;gap:clamp(2rem,5vw,4rem);padding-bottom:3rem}
.footer__logo{width:104px;margin-bottom:1.25rem}
.footer__brand p{font-size:.93rem;max-width:34ch;margin:0}
.footer__nav{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.footer__nav h3{color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1.1rem}
.footer__nav ul{display:grid;gap:.65rem}
.footer__nav li,.footer__nav a{font-size:.92rem;color:rgba(255,255,255,.66);overflow-wrap:break-word}
.footer__nav a:hover{color:var(--cyan-400)}
.footer__bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:.75rem;
  border-top:1px solid rgba(255,255,255,.12);padding-block:1.5rem;font-size:.85rem;
}
.footer__bottom p{margin:0}

/* ---------- WhatsApp flutuante ---------- */
.wa-float{
  position:fixed;right:clamp(1rem,3vw,2rem);bottom:clamp(1rem,3vw,2rem);z-index:90;
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:#25D366;color:#fff;box-shadow:0 12px 30px rgba(37,211,102,.4);
  transition:transform .25s ease,box-shadow .25s ease;
}
.wa-float:hover{color:#fff;transform:translateY(-3px) scale(1.05);box-shadow:0 18px 38px rgba(37,211,102,.5)}
.wa-float svg{width:30px;height:30px}

/* ---------- Reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- Responsivo ---------- */
@media (max-width:1024px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .energy{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr}
}

@media (max-width:900px){
  :root{--header-h:70px}
  .nav-toggle{display:flex}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(10,22,40,.98);backdrop-filter:blur(14px);padding:1rem var(--pad) 1.75rem;
    box-shadow:0 20px 40px rgba(7,14,26,.4);
    transform:translateY(-14px);opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;
    max-height:calc(100dvh - var(--header-h));overflow-y:auto;
  }
  .nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__list a{display:block;padding:.9rem 0;font-size:1rem;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav__list a::after{display:none}
  .nav__cta{margin-top:1.25rem;width:100%}
  body.nav-open{overflow:hidden}

  .grid-2,.pillars,.cards-3,.callout,.mv{grid-template-columns:1fr}
  .grid-2--reverse .media-frame{order:0}
  .cta__inner{flex-direction:column;align-items:flex-start}
}

@media (max-width:560px){
  .stats{grid-template-columns:1fr}
  .footer__nav{grid-template-columns:1fr}
  .hero__actions .btn,.contact-actions .btn{width:100%}
  .clients__grid{gap:2rem 2.5rem}
  .wa-float{width:52px;height:52px}
  .wa-float svg{width:27px;height:27px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  [data-reveal]{opacity:1;transform:none}
}

@media print{
  .header,.wa-float,.hero__media,.nav-toggle,.cta__actions{display:none !important}
  body{color:#000}
  .section{padding:1.5rem 0}
}