/* Chaveiro Rio Tinto — amarelo / preto */
:root{
  --yellow:#f5c518;
  --yellow-dark:#d9ac0a;
  --ink:#111114;
  --ink-2:#1a1a1f;
  --ink-3:#25252c;
  --line:#2e2e37;
  --text:#3c3c46;
  --muted:#6f6f7d;
  --white:#fff;
  --soft:#f6f6f4;
  --wrap:1200px;
  --r:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--text);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Barlow Condensed',Inter,sans-serif;color:var(--ink);margin:0;line-height:1.08;letter-spacing:.4px;text-transform:uppercase}
ul{margin:0;padding:0;list-style:none}
.wrap{width:min(100% - 40px,var(--wrap));margin-inline:auto}

.skip{position:absolute;left:-9999px;z-index:9999;background:#fff;color:var(--ink);padding:.75rem 1.25rem;border-radius:8px;font-weight:700}
.skip:focus{left:1rem;top:1rem}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}

.icon{width:1em;height:1em;flex-shrink:0}
.icon-xs{width:.85em;height:.85em}
.icon-sm{width:1em;height:1em}
.icon-lg{width:1.5em;height:1.5em}
.icon-xl{width:1.875em;height:1.875em}

.form-banner{padding:.85rem 0;font-weight:600;font-size:.9375rem;text-align:center}
.form-banner--success{background:#e9f9ee;color:#1f9d55}
.form-banner--error{background:#fdecea;color:#c0392b}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:8px;font-weight:700;font-size:.95rem;border:2px solid transparent;cursor:pointer;transition:.2s}
.btn--yellow{background:var(--yellow);color:var(--ink)}
.btn--yellow:hover{background:var(--yellow-dark)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--ink-3)}
.btn--ghost{border-color:rgba(255,255,255,.3);color:#fff}
.btn--ghost:hover{border-color:var(--yellow);color:var(--yellow)}
.btn--outline{border-color:var(--ink);color:var(--ink)}
.btn--outline:hover{background:var(--ink);color:#fff}
.btn-lg{padding:16px 32px;font-size:1rem}

/* header */
.topbar{background:var(--ink);color:#c9c9d2;font-size:.85rem}
.topbar__in{width:min(100% - 40px,var(--wrap));margin-inline:auto;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:10px 0;flex-wrap:wrap}
.topbar span{display:inline-flex;align-items:center;gap:8px}
.topbar svg{width:16px;height:16px;stroke:var(--yellow);fill:none;stroke-width:1.8}
.topbar a:hover{color:var(--yellow)}

.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #ececec}
.header__in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand b{font-family:'Barlow Condensed',sans-serif;font-size:1.55rem;text-transform:uppercase;color:var(--ink);display:block;line-height:1}
.brand small{margin-top:4px;font-size:.72rem;color:var(--muted);letter-spacing:.5px}
.nav{display:flex;gap:22px;font-weight:600;font-size:.92rem}
.nav a{padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--ink);border-color:var(--yellow)}
.header__cta{display:flex;align-items:center;gap:12px}
.burger{display:none;width:44px;height:42px;border:1px solid #ddd;background:#fff;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}
.burger span{width:20px;height:2px;background:var(--ink)}

.brand{
    display:flex;
    align-items:center;
    gap:14px;
    flex-shrink:0;
}

.brand__logo{
    width:200px;
    height:65px;
    object-fit:contain;
    display:block;
    flex-shrink:0;
}

.brand__text{
    display:flex;
    flex-direction:column;
}


@media (max-width:900px){

    .brand__logo{
        width:46px;
        height:46px;
    }

    .brand b{
        font-size:1.25rem;
    }

}



/* sections */
.section{padding:88px 0}
.section--soft{background:var(--soft)}
.section--dark{background:var(--ink);color:#b9b9c6}
.head{max-width:720px;margin-bottom:44px}
.head--center{margin-inline:auto;text-align:center}
.pill{display:inline-block;font-weight:800;font-size:.76rem;letter-spacing:1.8px;color:var(--yellow-dark);border-left:4px solid var(--yellow);padding-left:10px;margin-bottom:14px}
.section--dark .pill{color:var(--yellow)}
.head h2{font-size:clamp(1.9rem,3.6vw,2.8rem)}
.section--dark .head h2{color:#fff}
.head p{margin:14px 0 0}

/* about */
.about__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.about__list{display:grid;gap:14px;margin-top:26px}
.about__list li{display:flex;gap:12px;align-items:flex-start;font-weight:500}
.about__list svg{width:22px;height:22px;flex:none;stroke:var(--ink);fill:none;stroke-width:2;background:var(--yellow);border-radius:50%;padding:4px;margin-top:2px}
.about__media{position:relative}
.about__media img{border-radius:var(--r);width:100%;height:480px;object-fit:cover}
.about__badge{position:absolute;left:-18px;bottom:-18px;background:var(--yellow);color:var(--ink);border-radius:var(--r);padding:20px 24px;box-shadow:0 18px 40px rgba(0,0,0,.18)}
.about__badge b{font-family:'Barlow Condensed',sans-serif;font-size:2.2rem;display:block;line-height:1}
.about__badge span{font-size:.82rem;font-weight:600}
.about__actions{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}

/* problemas */
.prob__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.prob__media img{border-radius:var(--r);width:100%;height:100%;min-height:340px;object-fit:cover}
.prob__items{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.prob__item{background:#fff;border:1px solid #eaeaea;border-left:4px solid var(--yellow);border-radius:10px;padding:20px 22px}
.prob__item h3{font-size:1.15rem;margin-bottom:6px}
.prob__item p{margin:0;font-size:.93rem;color:var(--muted)}

/* barra amarela */
.cta{background:var(--yellow)}
.cta__in{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:44px 0;flex-wrap:wrap}
.cta h2{font-size:clamp(1.6rem,3vw,2.3rem);max-width:700px}
.cta p{margin:8px 0 0;color:#5d4f0e;font-weight:600}

/* serviços */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid #eaeaea;border-radius:var(--r);padding:32px 28px;transition:.25s;position:relative}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 46px rgba(0,0,0,.1);border-color:var(--yellow)}
.card__icon{width:60px;height:60px;border-radius:12px;background:var(--ink);display:grid;place-items:center;margin-bottom:18px;transition:.25s}
.card:hover .card__icon{background:var(--yellow)}
.card__icon svg{width:28px;height:28px;stroke:var(--yellow);fill:none;stroke-width:1.7;transition:.25s}
.card:hover .card__icon svg{stroke:var(--ink)}
.card h3{font-size:1.3rem;margin-bottom:10px}
.card p{margin:0;font-size:.95rem;color:var(--muted)}
.card__num{position:absolute;top:22px;right:26px;font-family:'Barlow Condensed',sans-serif;font-size:1.6rem;color:#ececec;font-weight:800}

/* processo */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{text-align:center;padding:0 8px}
.step__n{width:74px;height:74px;margin:0 auto 18px;border-radius:50%;background:var(--yellow);color:var(--ink);display:grid;place-items:center;font-family:'Barlow Condensed',sans-serif;font-size:1.8rem;font-weight:800;border:6px solid rgba(245,197,24,.2)}
.section--dark .step h3{color:#fff}
.step h3{font-size:1.25rem;margin-bottom:8px}
.step p{margin:0;font-size:.93rem}

/* faq */
.faq{display:grid;gap:12px;max-width:900px;margin-inline:auto}
.faq details{background:#fff;border:1px solid #e8e8e8;border-radius:10px;overflow:hidden}
.faq details[open]{border-color:var(--yellow)}
.faq summary{cursor:pointer;list-style:none;padding:18px 54px 18px 22px;font-weight:700;color:var(--ink);position:relative;font-size:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:6px;background:var(--yellow);color:var(--ink);display:grid;place-items:center;font-weight:800}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0;padding:0 22px 20px;color:var(--muted);font-size:.95rem}

/* contacto */
.contact__grid{display:grid;grid-template-columns:1fr 1.05fr;gap:52px;align-items:start}
.contact__points{display:grid;gap:10px;margin:22px 0 26px}
.contact__points li{padding-left:26px;position:relative;font-weight:600;color:var(--ink)}
.contact__points li::before{content:"";position:absolute;left:0;top:8px;width:12px;height:12px;border-radius:50%;background:var(--yellow)}
.contact__phones{display:flex;gap:12px;flex-wrap:wrap}
.form{background:#fff;border:1px solid #e8e8e8;border-radius:var(--r);padding:30px;box-shadow:0 18px 40px rgba(0,0,0,.05)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px;display:flex;flex-direction:column;gap:6px}
.field label{font-size:.85rem;font-weight:700;color:var(--ink)}
.field input,.field textarea{border:1px solid #ddd;border-radius:8px;padding:12px 14px;font:inherit;font-size:.95rem;background:#fafafa}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--yellow);background:#fff}
.hp{position:absolute;left:-9999px;opacity:0}
.form__msg{margin:14px 0 0;font-size:.9rem;font-weight:600}
.form__msg.ok{color:#1a7f37}
.form__msg.err{color:#c0392b}

/* footer */
.footer{background:var(--ink);color:#a9a9b6;padding:72px 0 0;font-size:.94rem}
.footer h4{color:#fff;font-size:1.15rem;margin-bottom:18px}
.footer__grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.footer a:hover{color:var(--yellow)}
.footer__brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer__row{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px}
.footer__row svg{width:18px;height:18px;flex:none;stroke:var(--yellow);fill:none;stroke-width:1.8;margin-top:3px}
.footer ul li{margin-bottom:10px}
.footer__bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:#7c7c8a}

/* call fab */
.callfab{display:none;position:fixed;left:16px;right:16px;bottom:16px;z-index:60;background:var(--yellow);color:var(--ink);font-weight:800;text-align:center;padding:15px;border-radius:10px;box-shadow:0 12px 28px rgba(0,0,0,.28)}

/* responsivo */
@media(max-width:1024px){
  .about__grid,.prob__grid,.contact__grid{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .about__badge{left:12px;bottom:12px}
}
@media(max-width:860px){
  .burger{display:flex}
  .nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid #eee;flex-direction:column;gap:0;padding:0 20px;max-height:0;overflow:hidden;transition:max-height .3s}
  .nav.is-open{max-height:460px;padding:10px 20px 18px}
  .nav a{padding:12px 0;border-bottom:1px solid #f0f0f0}
  .header__cta .btn{display:none}
  .topbar__in{justify-content:center;text-align:center}
}
@media(max-width:720px){
  .section{padding:60px 0}
  .hero__in{padding:64px 0 72px}
  .cards,.steps,.prob__items,.form__row{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .callfab{display:block}
  body{padding-bottom:76px}
  .cta__in{padding:34px 0}
  .about__media img{height:320px}
}

/* ═══ Mobile nav: burger com 3 barras (substitui ícone SVG) ═══ */
.burger{display:none;width:44px;height:42px;border:1px solid #ddd;background:#fff;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--ink)}

/* ═══ Placeholder de imagem ═══ */
.img-ph{width:100%;aspect-ratio:4/3;border-radius:var(--r);background:var(--soft);border:2px dashed #ddd;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;color:var(--muted);font-size:.8rem;text-align:center;padding:1rem}
.img-ph .icon{width:2rem;height:2rem}

/* ═══ Hero: layout em grelha — rebuild atual ═══ */

.hero{
  position:relative;
  background:var(--ink);
  color:#fff;
  padding:70px 0 90px;
  overflow:hidden;
}

.hero::after{
  display:none;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:56px;
  align-items:center;
  position:relative;
}

.hero-h1{
  color:#fff;
  font-family:'Barlow Condensed',Inter,sans-serif;
  font-weight:700;
  font-size:clamp(19px,2.2vw,24px);
  margin:16px 0 10px;
  letter-spacing:.4px;
  text-transform:uppercase;
  opacity:.8;
}

.hero-headline{
  font-family:'Barlow Condensed',Inter,sans-serif;
  font-weight:800;
  font-size:clamp(30px,4.4vw,50px);
  color:#fff;
  line-height:1.08;
  text-transform:uppercase;
  margin:0 0 18px;
}

.hero-lead{
  color:#c8c8d2;
  font-size:16.5px;
  margin:0 0 28px;
  max-width:480px;
}

.hero-ctas{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:20px;
}

.hero-micro{
  color:#8f8f9c;
  font-size:13px;
}

.hero-media{
  position:relative;
  aspect-ratio:4 / 3;
  overflow:hidden;
  border-radius:var(--r);
}

.hero-img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:55% center;
  border-radius:inherit;
  box-shadow:0 24px 50px -20px rgba(0,0,0,.6);
}

.hero-badge{
  position:absolute;
  left:20px;
  bottom:20px;
  background:var(--yellow);
  color:var(--ink);
  border-radius:var(--r);
  padding:14px 20px;
  box-shadow:0 14px 30px -10px rgba(0,0,0,.35);
}

.hero-badge b{
  display:block;
  font-family:'Barlow Condensed',sans-serif;
  font-size:15px;
  text-transform:uppercase;
}

.hero-badge span{
  color:var(--ink);
  opacity:.75;
  font-size:12px;
}

@media (max-width:820px){

  .hero-grid{
    grid-template-columns:1fr;
    gap:36px;
  }

  .hero-media{
    aspect-ratio:16 / 11;
  }

  .hero-img{
    object-position:center;
  }
}

/* ═══ Sinais: diferenciador principal (Site #12) ═══ */
.signals-section{padding:96px 0;background:var(--soft)}
.signals-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}
.signals-media img{border-radius:var(--r);width:100%;height:100%;min-height:360px;object-fit:cover}
.signals-list{display:grid;gap:14px;margin-top:8px}
.signal-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid #eaeaea;border-left:4px solid var(--yellow);border-radius:10px;padding:18px 20px}
.signal-icon{width:36px;height:36px;border-radius:50%;background:var(--ink);color:var(--yellow);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.signal-item b{display:block;font-family:'Barlow Condensed',Inter,sans-serif;font-size:16px;text-transform:none;color:var(--ink);margin-bottom:2px}
.signal-item span{font-size:14px;color:var(--muted)}

/* ═══ Ainda abre / já não abre: os 2 cartões de estado ═══ */
.status-section{padding:90px 0;background:#fff}
.status-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.status-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--soft);border:1.5px solid transparent;border-radius:var(--r);
  padding:36px 32px;transition:all .25s;
}
.status-card:hover{background:#fff;border-color:var(--yellow);box-shadow:0 20px 40px -20px rgba(0,0,0,.18);transform:translateY(-4px)}
.status-icon{width:56px;height:56px;border-radius:50%;background:var(--ink);color:var(--yellow);display:flex;align-items:center;justify-content:center;margin-bottom:6px}
.status-card h3{font-size:1.35rem;text-transform:uppercase}
.status-card p{color:var(--muted);margin:0;font-size:15px;text-transform:none}
.status-link{display:inline-flex;align-items:center;gap:6px;margin-top:8px;font-family:'Barlow Condensed',Inter,sans-serif;font-weight:700;font-size:13px;color:var(--yellow-dark);text-transform:uppercase}

/* ═══ Reparar, afinar ou substituir? (decisão) ═══ */
.decision-band{background:var(--ink-2);color:#fff;padding:30px 0}
.decision-inner{display:flex;align-items:center;gap:18px}
.decision-inner>svg{flex-shrink:0;color:var(--yellow);width:30px;height:30px}
.decision-inner div{display:flex;flex-direction:column;gap:4px}
.decision-inner strong{font-family:'Barlow Condensed',Inter,sans-serif;font-size:17px;text-transform:none;display:block}
.decision-inner span{font-size:13.5px;color:#c8c8d2}

/* ═══ Estimativa: bloco próprio ═══ */
.estimate-band{background:var(--ink);color:#fff;padding:96px 0}
.estimate-inner{display:flex;align-items:flex-start;gap:26px;max-width:760px;margin:0 auto}
.estimate-icon{width:60px;height:60px;border-radius:50%;background:var(--yellow);color:var(--ink);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pill--dark{color:var(--yellow)}
.estimate-band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin:12px 0 14px}
.estimate-band p{color:#c8c8d2;text-transform:none}

/* ═══ Âmbito do serviço ═══ */
.scope-section{background:var(--soft);padding:80px 0}
.scope-inner{display:flex;align-items:flex-start;gap:22px;max-width:820px;margin:0 auto}
.scope-icon{width:52px;height:52px;border-radius:50%;background:#fff;border:1px solid #eaeaea;color:var(--yellow-dark);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.scope-section p{color:var(--muted);margin:0;text-transform:none}

/* ═══ Experiência (about-section) ═══ */
.about-section{padding:96px 0}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.about-img{border-radius:var(--r);width:100%;height:420px;object-fit:cover}
.proof-support{font-weight:700;color:var(--ink);opacity:.65;font-size:14px;text-transform:none}
.proof-stats{display:flex;gap:30px;margin-top:24px;flex-wrap:wrap}
.proof-stat b{display:block;font-family:'Barlow Condensed',sans-serif;font-size:34px;color:var(--yellow-dark);line-height:1}
.proof-stat span{color:var(--muted);font-size:13px;text-transform:none}

/* ═══ Contacto ═══ */
.contact-section{background:var(--ink);color:#fff}
.contact-section h2{color:#fff;font-size:clamp(26px,3.2vw,38px);margin:14px 0 14px}
.contact-section p{color:#c8c8d2;text-transform:none}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.contact-phones{display:flex;flex-direction:column;gap:10px;margin:22px 0 14px}
.contact-phones a{display:inline-flex;align-items:center;gap:10px;font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:1.3rem;color:#fff;text-transform:uppercase}
.contact-phones a .icon{color:var(--yellow)}
.contact-note{font-size:12.5px;color:#8f8f9c;text-transform:none}

.form-card{background:#fff;border:1px solid #e8e8e8;border-radius:var(--r);padding:30px;box-shadow:0 18px 40px rgba(0,0,0,.15)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ff{margin-bottom:16px;display:flex;flex-direction:column;gap:6px}
.ff label{font-size:.85rem;font-weight:700;color:var(--ink);text-transform:none}
.ff .opt{font-weight:400;color:var(--muted)}
.ff input,.ff select,.ff textarea{border:1px solid #ddd;border-radius:8px;padding:12px 14px;font:inherit;font-size:.95rem;background:#fafafa;color:var(--ink);outline:none}
.ff input:focus,.ff select:focus,.ff textarea:focus{outline:none;border-color:var(--yellow);background:#fff}
.ff textarea{min-height:100px;resize:vertical}
.form-hint{font-size:11.5px;color:var(--muted)}
.ff-consent{flex-direction:row;align-items:flex-start;gap:10px}
.ff-consent input{width:18px;height:18px;margin-top:2px;accent-color:var(--yellow)}
.ff-consent label{font-weight:400;font-size:13px}
.btn-submit{width:100%;margin-top:6px}
.form-fallback-note{text-align:center;font-size:12.5px;color:var(--muted);margin-top:14px}
.form-fallback-note a{color:var(--yellow-dark);font-weight:700}
.form-status{display:none;padding:14px 18px;border-radius:8px;font-size:14px;font-weight:600;margin-bottom:16px}
.form-status.success{display:block;background:#e8f7ed;color:#176b34}
.form-status.error{display:block;background:#fde8e8;color:#991b1b}

/* ═══ CTA final ═══ */
.final-cta{background:var(--yellow);padding:70px 0;text-align:center}
.final-cta-inner{max-width:600px;margin:0 auto}
.final-cta .pill--dark{color:#5d4f0e}
.final-cta h2{color:var(--ink);font-size:clamp(24px,3vw,34px);margin:14px 0 14px}
.final-cta p{color:#5d4f0e;margin-bottom:26px;text-transform:none;font-weight:600}

/* ═══ Footer: descrição (nome já usado no rebuild) ═══ */
.footer-desc-txt{color:#a9a9b6;font-size:14px;max-width:300px;text-transform:none}

/* ═══ Responsive: novas secções ═══ */
@media (max-width:1080px){
  .signals-grid,.status-grid,.about-grid,.contact-grid{grid-template-columns:1fr;gap:36px}
  .estimate-inner{grid-template-columns:1fr;gap:20px}
}
@media (max-width:820px){
  .hero-grid{grid-template-columns:1fr}
  .status-grid{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .decision-inner{flex-direction:column;text-align:center;gap:10px}
}

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

/*
  Progressive enhancement: por defeito TUDO está visível, incluindo se o
  JavaScript falhar. Só depois de main.js confirmar que o
  IntersectionObserver está disponível é que a classe "js-fade-ready" é
  adicionada ao body e os elementos [data-observe] passam a animar.
*/
[data-observe]{opacity:1;transform:none}
body.js-fade-ready [data-observe]{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
body.js-fade-ready [data-observe].in{opacity:1;transform:none}