/* ─── RS Solar Tech – Site público ─── */
:root{
  --bg:#080A0F;
  --bg2:#0B1220;
  --bg3:#0f1a2e;
  --orange:#FF8A00;
  --orange2:#e06d00;
  --blue:#005DFF;
  --blue2:#0047cc;
  --white:#FFFFFF;
  --gray:#CBD5E1;
  --muted:#64748b;
  --green:#16A34A;
  --yellow:#F59E0B;
  --border:#1e293b;
  --radius:12px;
  --shadow-orange:0 0 40px rgba(255,138,0,.12);
  --shadow-blue:0 0 40px rgba(0,93,255,.12);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--gray);line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--orange);text-decoration:none;transition:color .2s}
a:hover{color:var(--orange2)}

h1,h2,h3,h4{font-family:'Poppins',sans-serif;color:var(--white);line-height:1.2}
h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:700}
h3{font-size:1.3rem;font-weight:600}
p{font-size:1rem}

.container{max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-sm{padding:48px 0}

/* ─── HEADER ─── */
.site-header{position:fixed;top:0;left:0;right:0;z-index:900;background:rgba(8,10,15,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:background .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo-text{font-family:'Poppins',sans-serif;font-size:20px;font-weight:700;color:var(--white)}
.logo-text strong{color:var(--orange)}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{color:var(--gray);font-size:14px;font-weight:500;transition:color .2s}
.main-nav a:hover,.main-nav a.active{color:var(--white)}
.btn-nav-sim{background:linear-gradient(135deg,var(--orange),var(--orange2));color:var(--white)!important;padding:9px 20px;border-radius:8px;font-weight:600!important;font-size:13px!important}
.btn-nav-sim:hover{opacity:.9}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--white);border-radius:2px;transition:.3s}

/* ─── HERO ─── */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:70px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 80% 70% at 60% 30%,rgba(0,93,255,.12) 0%,transparent 60%),radial-gradient(ellipse 60% 50% at 80% 70%,rgba(255,138,0,.10) 0%,transparent 50%),var(--bg)}
.hero-glow{position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(255,138,0,.08) 0%,transparent 70%);top:-100px;right:-100px;pointer-events:none}
.hero-content{position:relative;z-index:2;max-width:680px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,138,0,.1);border:1px solid rgba(255,138,0,.25);padding:6px 16px;border-radius:20px;font-size:13px;color:var(--orange);font-weight:600;margin-bottom:24px}
.hero h1{margin-bottom:20px}
.hero h1 span{color:var(--orange)}
.hero p.lead{font-size:1.15rem;color:var(--gray);margin-bottom:36px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:48px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px}
.hero-stat{text-align:center}
.hero-stat-val{font-family:'Poppins',sans-serif;font-size:2rem;font-weight:800;color:var(--white)}
.hero-stat-val span{color:var(--orange)}
.hero-stat-label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.hero-sun{position:absolute;right:8%;top:50%;transform:translateY(-50%);width:clamp(200px,30vw,440px);opacity:.15;pointer-events:none;z-index:1}

/* ─── BUTTONS ─── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:10px;font-weight:600;font-size:15px;cursor:pointer;border:none;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--orange),var(--orange2));color:var(--white)}
.btn-primary:hover{opacity:.9;color:var(--white);transform:translateY(-1px);box-shadow:0 8px 24px rgba(255,138,0,.3)}
.btn-secondary{background:linear-gradient(135deg,var(--blue),var(--blue2));color:var(--white)}
.btn-secondary:hover{opacity:.9;color:var(--white);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.25)}
.btn-outline:hover{border-color:var(--orange);color:var(--orange)}
.btn-whatsapp{background:#25d366;color:var(--white)}
.btn-whatsapp:hover{background:#1ebe59;color:var(--white)}

/* ─── SECTION TITLE ─── */
.section-title{text-align:center;margin-bottom:56px}
.section-title h2{margin-bottom:14px}
.section-title p{color:var(--muted);max-width:560px;margin:0 auto;font-size:1.05rem}
.section-title .tag{display:inline-block;background:rgba(255,138,0,.1);color:var(--orange);border:1px solid rgba(255,138,0,.2);padding:4px 14px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}

/* ─── CARDS ─── */
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:.25s}
.card:hover{border-color:rgba(255,138,0,.25);transform:translateY(-4px);box-shadow:var(--shadow-orange)}
.card-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.card-icon-orange{background:rgba(255,138,0,.12);color:var(--orange)}
.card-icon-blue{background:rgba(0,93,255,.12);color:var(--blue)}
.card-icon-green{background:rgba(22,163,74,.12);color:var(--green)}
.card h3{margin-bottom:10px;font-size:1.1rem}
.card p{font-size:.93rem;color:var(--muted)}

/* ─── GRID ─── */
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}

/* ─── BENEFITS ─── */
.benefits{background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

/* ─── HOW IT WORKS ─── */
.steps{display:flex;flex-direction:column;gap:0;position:relative}
.step{display:flex;gap:24px;align-items:flex-start;padding:28px 0;position:relative}
.step:not(:last-child){border-bottom:1px solid var(--border)}
.step-num{min-width:52px;height:52px;background:linear-gradient(135deg,var(--orange),var(--orange2));border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Poppins',sans-serif;font-weight:800;font-size:18px;color:var(--white);flex-shrink:0}
.step-content h3{margin-bottom:8px}
.step-content p{font-size:.93rem;color:var(--muted)}

/* ─── SIMULATOR SECTION (homepage teaser) ─── */
.sim-teaser{background:linear-gradient(135deg,var(--bg2),var(--bg3));border:1px solid var(--border);border-radius:16px;padding:48px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:20px}
.sim-teaser h2{margin-bottom:0}

/* ─── FAQ ─── */
.faq-item{border-bottom:1px solid var(--border)}
.faq-question{width:100%;background:none;border:none;color:var(--white);font-family:'Poppins',sans-serif;font-size:1rem;font-weight:600;text-align:left;padding:20px 0;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-question::after{content:"＋";font-size:20px;color:var(--orange);transition:.3s;flex-shrink:0}
.faq-item.open .faq-question::after{content:"−"}
.faq-answer{display:none;padding:0 0 20px;color:var(--muted);font-size:.95rem;line-height:1.7}
.faq-item.open .faq-answer{display:block}

/* ─── CONTACT ─── */
.contact-form{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:36px}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;font-weight:500}
.form-input{width:100%;background:#0f1729;border:1px solid var(--border);border-radius:8px;padding:11px 16px;color:var(--white);font-size:14px;font-family:'Inter',sans-serif;transition:border .2s;outline:none}
.form-input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,138,0,.1)}
.form-input::placeholder{color:var(--muted)}
select.form-input option{background:#0f1729}
textarea.form-input{resize:vertical;min-height:110px}

/* ─── SIMULATOR PAGE ─── */
.simulator-wrap{padding-top:90px;min-height:100vh}
.sim-card{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:36px;max-width:680px;margin:0 auto}
.sim-card h2{margin-bottom:8px;font-size:1.6rem}
.sim-result{background:var(--bg3);border:1px solid rgba(255,138,0,.2);border-radius:12px;padding:28px;margin-top:24px;display:none}
.sim-result.visible{display:block}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;margin-bottom:24px}
.result-item{text-align:center;background:var(--bg2);border-radius:10px;padding:16px 12px}
.result-item .val{font-family:'Poppins',sans-serif;font-size:1.5rem;font-weight:700;color:var(--white)}
.result-item .unit{font-size:12px;color:var(--orange);font-weight:600}
.result-item .lbl{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-top:4px}
.result-savings{background:rgba(22,163,74,.1);border:1px solid rgba(22,163,74,.25);border-radius:10px;padding:18px 20px;text-align:center;margin-bottom:20px}
.result-savings .pct{font-size:2.8rem;font-weight:800;color:#4ade80;font-family:'Poppins',sans-serif}
.result-disclaimer{font-size:12px;color:var(--muted);line-height:1.6;background:rgba(255,255,255,.03);border-radius:8px;padding:14px;margin-bottom:20px}
.sim-steps{display:flex;gap:0;margin-bottom:28px;border-bottom:1px solid var(--border)}
.sim-step-tab{padding:12px 20px;font-size:14px;font-weight:500;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;transition:.2s}
.sim-step-tab.active{color:var(--orange);border-bottom-color:var(--orange)}
.upload-area{border:2px dashed var(--border);border-radius:10px;padding:28px;text-align:center;cursor:pointer;transition:.2s}
.upload-area:hover,.upload-area.drag{border-color:var(--orange)}
.upload-area p{font-size:13px;color:var(--muted)}
.progress-bar-wrap{background:rgba(255,255,255,.06);border-radius:4px;height:6px;margin-top:8px}
.progress-bar-inner{height:6px;background:linear-gradient(90deg,var(--orange),var(--orange2));border-radius:4px;transition:width .5s}
.checkbox-consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted)}
.checkbox-consent input{width:16px;height:16px;flex-shrink:0;margin-top:2px;accent-color:var(--orange)}

/* ─── FOOTER ─── */
.site-footer{background:var(--bg2);border-top:1px solid var(--border);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-logo{font-family:'Poppins',sans-serif;font-size:20px;font-weight:700;color:var(--white);margin-bottom:12px}
.footer-logo strong{color:var(--orange)}
.footer-tagline{font-size:.9rem;color:var(--muted);margin-bottom:16px}
.btn-whatsapp-footer{display:inline-flex;align-items:center;gap:8px;background:#25d366;color:var(--white);padding:10px 18px;border-radius:8px;font-size:13px;font-weight:600}
.btn-whatsapp-footer:hover{background:#1ebe59;color:var(--white)}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:var(--muted);font-size:.9rem}
.footer-col ul li a:hover{color:var(--orange)}
.footer-col p{font-size:.88rem;color:var(--muted);margin-bottom:6px}
.btn-sim-footer{display:inline-block;background:linear-gradient(135deg,var(--orange),var(--orange2));color:var(--white);padding:10px 20px;border-radius:8px;font-size:13px;font-weight:600;margin-top:8px}
.btn-sim-footer:hover{opacity:.9;color:var(--white)}
.footer-bottom{background:rgba(0,0,0,.3);border-top:1px solid var(--border);padding:16px 0}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--orange)}
.site-flash{position:fixed;top:80px;left:50%;transform:translateX(-50%);z-index:9999;padding:12px 28px;border-radius:8px;font-size:14px;font-weight:500;box-shadow:0 4px 20px rgba(0,0,0,.4)}
.flash-success{background:#052e16;border:1px solid #16a34a;color:#4ade80}
.flash-error{background:#450a0a;border:1px solid #ef4444;color:#fca5a5}
.flash-info{background:#0c1a3b;border:1px solid var(--blue);color:#93c5fd}

/* ─── ANIMATIONS ─── */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-up.visible{opacity:1;transform:none}

/* ─── RESPONSIVE ─── */
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:2.2rem}
  .hero-sun{display:none}
}
@media(max-width:640px){
  .main-nav{display:none;position:fixed;inset:70px 0 0;background:var(--bg2);flex-direction:column;gap:0;padding:20px 0;overflow-y:auto;z-index:800}
  .main-nav.open{display:flex}
  .main-nav a{padding:14px 24px;font-size:15px}
  .btn-nav-sim{margin:12px 20px;text-align:center}
  .nav-toggle{display:flex}
  .footer-grid{grid-template-columns:1fr}
  .hero-cta{flex-direction:column}
  .btn{width:100%;justify-content:center}
  .section{padding:56px 0}
  .sim-card{padding:24px 16px}
  .hero-stats{gap:20px}
}

/* ══════════════════════════════════════════════════════════════
   PREMIUM UPGRADE — animações, efeitos, motion design
   ══════════════════════════════════════════════════════════════ */

/* ─── KEYFRAMES ─── */
@keyframes shimmer-text{
  0%{background-position:200% center}
  100%{background-position:-200% center}
}
@keyframes btn-shine{
  0%{left:-80%;opacity:0}
  20%{opacity:.5}
  80%{opacity:.5}
  100%{left:120%;opacity:0}
}
@keyframes pulse-orb{
  0%,100%{opacity:.07;transform:scale(1)}
  50%{opacity:.15;transform:scale(1.05)}
}
@keyframes badge-ring{
  0%,100%{box-shadow:0 0 0 0 rgba(255,138,0,.4)}
  70%{box-shadow:0 0 0 10px rgba(255,138,0,0)}
}
@keyframes rotate-sun{
  to{transform:translateY(-50%) rotate(360deg)}
}
@keyframes marquee-scroll{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}
@keyframes step-pop{
  0%{transform:scale(.4);opacity:0}
  70%{transform:scale(1.2)}
  100%{transform:scale(1);opacity:1}
}
@keyframes border-breathe{
  0%,100%{border-color:rgba(255,138,0,.18)}
  50%{border-color:rgba(255,138,0,.5);box-shadow:0 0 32px rgba(255,138,0,.12)}
}
@keyframes float-up{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}
@keyframes fade-in-up{
  from{opacity:0;transform:translateY(28px)}
  to{opacity:1;transform:none}
}
@keyframes count-pop{
  from{opacity:0;transform:translateY(12px) scale(.9)}
  to{opacity:1;transform:none}
}
@keyframes glow-line{
  0%{width:0;opacity:0}
  100%{width:40px;opacity:1}
}

/* ─── SCROLL PROGRESS BAR ─── */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;z-index:9999;width:0%;
  background:linear-gradient(90deg,var(--orange),#ff5e00,var(--blue));
  transition:width .08s linear;
  box-shadow:0 0 8px rgba(255,138,0,.6);
}

/* ─── CURSOR GLOW ─── */
.cursor-glow{
  pointer-events:none;position:fixed;
  width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,0,.04) 0%,transparent 70%);
  transform:translate(-50%,-50%);
  z-index:0;will-change:left,top;
  transition:opacity .4s;
}

/* ─── HERO GRID MESH ─── */
.hero::before{
  content:'';position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,black 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,black 20%,transparent 75%);
}

/* ─── HERO ORB upgrade ─── */
.hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 90% 80% at 65% 20%,rgba(0,93,255,.16) 0%,transparent 55%),
    radial-gradient(ellipse 60% 55% at 85% 80%,rgba(255,138,0,.12) 0%,transparent 50%),
    radial-gradient(ellipse 45% 40% at 15% 70%,rgba(0,93,255,.07) 0%,transparent 55%),
    var(--bg);
  animation:pulse-orb 10s ease-in-out infinite;
}
.hero-glow{animation:pulse-orb 6s ease-in-out infinite 1s}

/* ─── HERO HEADLINE GRADIENT ─── */
.hero h1 span{
  background:linear-gradient(135deg,var(--orange) 0%,#ffb347 40%,var(--orange2) 80%,var(--orange) 100%);
  background-size:300% auto;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  animation:shimmer-text 5s linear infinite;
}

/* ─── HERO BADGE PULSE ─── */
.hero-badge{animation:badge-ring 3s ease-in-out infinite}

/* ─── HERO SUN SPIN ─── */
.hero-sun{
  animation:rotate-sun 90s linear infinite;
  opacity:.13;
}

/* ─── HERO STATS COUNTER ─── */
.hero-stat-val.visible{animation:count-pop .5s cubic-bezier(.34,1.56,.64,1) forwards}

/* ─── BUTTON SHINE ─── */
.btn-primary,.btn-secondary,.btn-whatsapp{position:relative;overflow:hidden}
.btn-primary::after,.btn-secondary::after,.btn-whatsapp::after{
  content:'';position:absolute;top:0;left:-80%;
  width:50%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
  transform:skewX(-15deg);
  animation:btn-shine 4s ease-in-out infinite;
}
.btn-secondary::after{animation-delay:1.3s}
.btn-whatsapp::after{animation-delay:2.6s}

/* ─── BUTTON HOVER lift ─── */
.btn-primary:hover{
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 10px 30px rgba(255,138,0,.35),0 0 0 1px rgba(255,138,0,.2);
}
.btn-whatsapp:hover{
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 10px 28px rgba(37,211,102,.3);
}
.btn-outline:hover{transform:translateY(-1px)}

/* ─── MARQUEE STRIP ─── */
.marquee-strip{
  background:linear-gradient(180deg,var(--bg2) 0%,var(--bg3) 100%);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:15px 0;overflow:hidden;position:relative;
}
.marquee-strip::before,.marquee-strip::after{
  content:'';position:absolute;top:0;width:140px;height:100%;z-index:2;pointer-events:none;
}
.marquee-strip::before{left:0;background:linear-gradient(90deg,var(--bg),transparent)}
.marquee-strip::after{right:0;background:linear-gradient(270deg,var(--bg),transparent)}
.marquee-track{
  display:flex;width:max-content;
  animation:marquee-scroll 30s linear infinite;
}
.marquee-track:hover{animation-play-state:paused}
.marquee-item{
  display:inline-flex;align-items:center;gap:10px;
  padding:0 44px;white-space:nowrap;
  font-size:13px;font-weight:500;color:var(--muted);
}
.marquee-item strong{color:var(--white);font-family:'Poppins',sans-serif;font-size:15px}
.marquee-item .tag-val{color:var(--orange);font-weight:700;font-family:'Poppins',sans-serif;font-size:15px}
.marquee-sep{width:5px;height:5px;border-radius:50%;background:rgba(255,138,0,.35);flex-shrink:0}

/* ─── CARD GLOW BORDER ─── */
.card{position:relative;overflow:hidden;transition:.3s cubic-bezier(.22,1,.36,1)}
.card::before{
  content:'';position:absolute;inset:0;border-radius:inherit;
  background:linear-gradient(135deg,rgba(255,138,0,.1),transparent 50%,rgba(0,93,255,.08));
  opacity:0;transition:opacity .35s;
}
.card:hover{
  border-color:rgba(255,138,0,.3);
  transform:translateY(-6px);
  box-shadow:0 16px 48px rgba(0,0,0,.4),0 0 0 1px rgba(255,138,0,.12),var(--shadow-orange);
}
.card:hover::before{opacity:1}
.card-icon{transition:transform .35s cubic-bezier(.34,1.56,.64,1),box-shadow .35s}
.card:hover .card-icon{transform:scale(1.15) rotate(-4deg)}
.card-icon-orange{box-shadow:none}
.card:hover .card-icon-orange{box-shadow:0 0 20px rgba(255,138,0,.3)}
.card:hover .card-icon-blue{box-shadow:0 0 20px rgba(0,93,255,.3)}
.card:hover .card-icon-green{box-shadow:0 0 20px rgba(22,163,74,.3)}

/* ─── SECTION TITLE UNDERLINE ─── */
.section-title h2{position:relative;display:inline-block}
.section-title h2::after{
  content:'';display:block;
  height:3px;border-radius:3px;margin-top:10px;
  background:linear-gradient(90deg,var(--orange),var(--blue));
  width:0;
  transition:width .7s ease .2s;
}
.section-title.visible h2::after{width:100%}

/* ─── STEP NUM POP ─── */
.step-num{
  transition:box-shadow .3s;
}
.step-num.pop{
  animation:step-pop .55s cubic-bezier(.34,1.56,.64,1) forwards;
  box-shadow:0 0 0 6px rgba(255,138,0,.15),0 0 24px rgba(255,138,0,.25);
}

/* ─── SIM TEASER BREATHE ─── */
.sim-teaser{animation:border-breathe 5s ease-in-out infinite}
.sim-teaser>div[style*="font-size:64px"]{
  display:inline-block;
  animation:float-up 3.5s ease-in-out infinite;
}

/* ─── FADE VARIANTS ─── */
.fade-left{opacity:0;transform:translateX(-36px);transition:opacity .7s ease,transform .7s ease}
.fade-left.visible{opacity:1;transform:none}
.fade-right{opacity:0;transform:translateX(36px);transition:opacity .7s ease,transform .7s ease}
.fade-right.visible{opacity:1;transform:none}
.scale-in{opacity:0;transform:scale(.88);transition:opacity .65s ease,transform .65s ease}
.scale-in.visible{opacity:1;transform:none}

/* Stagger automático em grid com classe .stagger */
.stagger>.fade-up:nth-child(1),.stagger>.card:nth-child(1),.stagger>.step:nth-child(1){transition-delay:.05s}
.stagger>.fade-up:nth-child(2),.stagger>.card:nth-child(2),.stagger>.step:nth-child(2){transition-delay:.15s}
.stagger>.fade-up:nth-child(3),.stagger>.card:nth-child(3),.stagger>.step:nth-child(3){transition-delay:.25s}
.stagger>.fade-up:nth-child(4),.stagger>.card:nth-child(4),.stagger>.step:nth-child(4){transition-delay:.35s}
.stagger>.fade-up:nth-child(5),.stagger>.card:nth-child(5),.stagger>.step:nth-child(5){transition-delay:.45s}
.stagger>.fade-up:nth-child(6),.stagger>.card:nth-child(6),.stagger>.step:nth-child(6){transition-delay:.55s}

/* ─── NAV hover underline slide ─── */
.main-nav a:not(.btn-nav-sim){position:relative}
.main-nav a:not(.btn-nav-sim)::after{
  content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
  background:var(--orange);border-radius:2px;transition:width .25s ease;
}
.main-nav a:not(.btn-nav-sim):hover::after,
.main-nav a:not(.btn-nav-sim).active::after{width:100%}

/* ─── HEADER TRANSITION ─── */
.site-header{transition:background .3s,box-shadow .3s,border-color .3s}

/* ─── FAQ hover glow ─── */
.faq-question{transition:color .2s,padding-left .2s}
.faq-question:hover{color:var(--orange);padding-left:4px}
.faq-item.open{border-left:2px solid var(--orange);padding-left:12px;margin-left:-12px}

/* ─── FOOTER LINK hover ─── */
.footer-col ul li a{
  transition:color .2s,padding-left .2s;
  display:inline-block;
}
.footer-col ul li a:hover{padding-left:6px}

/* ─── PREFERS REDUCED MOTION ─── */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}