/* ============ TOKENS ============ */
/* Paleta extraída diretamente da logomarca (Energia Solar Rio):
   azul-marinho das casas/texto, laranja do sol, verde da faixa. */
:root{
  --navy-deep:#050040;
  --navy-mid:#0A0082;
  --navy-soft:#1B14C7;
  --gold-sun:#DF8400;
  --gold-soft:#F4B968;
  --gold-deep:#A15C00;
  --teal-energy:#009038;
  --cool-light:#F3F6F9;
  --cool-light-2:#E9EEF3;
  --ink:#0B1220;
  --ink-soft:#4B5A6B;
  --white:#FFFFFF;
  --radius-s:10px;
  --radius-m:18px;
  --radius-l:28px;
  --font-display:'Fraunces', serif;
  --font-body:'Manrope', sans-serif;
  --font-mono:'JetBrains Mono', monospace;
  --shadow-soft:0 20px 40px -20px rgba(5,0,64,0.35);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{overflow-x:hidden;max-width:100%;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;line-height:1.08;font-weight:600;}
p{margin:0;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid var(--teal-energy);outline-offset:2px;}
.btn-primary{background:var(--gold-sun);color:var(--navy-deep);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 24px -8px rgba(223,132,0,0.55);}
.btn-outline{border-color:rgba(255,255,255,0.5);color:var(--white);}
.btn-outline:hover{background:rgba(255,255,255,0.12);}
.btn-ghost{color:var(--navy-deep);font-weight:700;padding:8px 4px;border-radius:0;}
.btn-lg{padding:16px 32px;font-size:16px;}
.btn-block{width:100%;}
.btn-text{background:none;border:none;color:var(--ink-soft);text-decoration:underline;cursor:pointer;font-family:var(--font-body);font-size:14px;padding:8px;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,0.9);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--cool-light-2);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px;}
.main-nav{display:flex;gap:28px;font-weight:600;font-size:14.5px;}
.main-nav a{color:var(--ink-soft);transition:color .15s;}
.main-nav a:hover{color:var(--navy-deep);}
.header-cta{display:flex;align-items:center;gap:20px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{width:24px;height:2.5px;background:var(--navy-deep);border-radius:2px;}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;background:linear-gradient(180deg, var(--white) 0%, var(--cool-light) 55%, var(--cool-light-2) 100%);
  padding-top:64px;
}
.hero::before{
  content:"";position:absolute;top:-10%;left:50%;transform:translateX(-50%);width:900px;height:900px;
  background:radial-gradient(circle, rgba(223,132,0,0.22) 0%, rgba(223,132,0,0) 68%);pointer-events:none;z-index:0;
}
.hero-sky{position:absolute;inset:0;z-index:0;}
.sun-arc{position:absolute;top:0;left:50%;transform:translateX(-50%);width:110%;max-width:1300px;}
#sunMarker{animation:sunRise 3.2s ease-out forwards;}
@keyframes sunRise{
  0%{cy:300; opacity:0;}
  100%{opacity:1;}
}
.skyline{position:absolute;bottom:0;left:0;width:100%;height:180px;opacity:0.9;}
.hero-inner{position:relative;z-index:1;padding:120px 24px 180px;max-width:760px;color:var(--white);}
#sim-hero .hero-inner{padding-bottom:64px;max-width:700px;}
#sim-hero .hero-trust{margin-top:40px;}
.hero-logo-wrap{margin-bottom:40px;text-align:center;}
.hero-logo-img{height:160px;width:auto;display:inline-block;filter:drop-shadow(0 14px 24px rgba(5,0,64,0.2));}
.eyebrow{
  font-family:var(--font-mono);text-transform:uppercase;letter-spacing:0.08em;font-size:18.5px;font-weight:700;
  color:var(--gold-soft);margin:0 0 18px;
}
.eyebrow-dark{color:var(--teal-energy);}
.hero .eyebrow{color:var(--gold-deep);}
.hero h1{font-size:clamp(34px, 5.2vw, 58px);color:var(--navy-deep);}
.hero h1 .hl{color:var(--gold-deep);}
.hero-sub{margin-top:22px;font-size:18px;line-height:1.6;color:var(--ink-soft);max-width:560px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:36px;}
.hero .btn-outline{border-color:rgba(5,0,64,0.25);color:var(--navy-deep);}
.hero .btn-outline:hover{background:rgba(5,0,64,0.06);}
.hero-trust{display:flex;gap:36px;margin-top:64px;flex-wrap:wrap;}
.hero-trust div{display:flex;flex-direction:column;gap:2px;}
.hero-trust strong{font-family:var(--font-mono);font-size:22px;color:var(--gold-deep);}
.hero-trust span{font-size:13px;color:var(--ink-soft);}

/* ============ SECTION HEAD ============ */
.section-head{max-width:640px;margin:0 auto 48px;text-align:center;}
.section-head h2{font-size:clamp(26px,3.6vw,38px);color:var(--navy-deep);}
.section-lead{margin-top:16px;color:var(--ink-soft);font-size:16.5px;line-height:1.6;}

/* ============ CALCULATOR ============ */
.calc-section{
  background:linear-gradient(180deg, var(--navy-deep) 0%, var(--navy-mid) 55%, var(--navy-soft) 100%);
  padding:96px 0;position:relative;
}
.calc-section .eyebrow-dark{color:var(--gold-soft);}
.calc-section .section-head h2{color:var(--white);}
.calc-section .section-lead{color:rgba(255,255,255,0.72);}
.calculator{
  display:grid;grid-template-columns:1fr;gap:32px;background:var(--white);border-radius:var(--radius-l);
  padding:40px;box-shadow:var(--shadow-soft);min-width:0;max-width:100%;
}
.calc-form{display:flex;flex-direction:column;gap:22px;min-width:0;}
.field-group{display:flex;flex-direction:column;gap:10px;min-width:0;}
.field-label{font-weight:700;font-size:14.5px;color:var(--navy-deep);}
.toggle-pair{display:flex;background:var(--cool-light-2);border-radius:999px;padding:4px;gap:4px;min-width:0;}
.toggle-btn{flex:1;min-width:0;border:none;background:none;padding:10px 14px;border-radius:999px;font-weight:700;font-family:var(--font-body);font-size:13.5px;color:var(--ink-soft);cursor:pointer;transition:all .18s;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.toggle-btn.is-active{background:var(--navy-deep);color:var(--white);}
.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;min-width:0;}
.field{display:flex;flex-direction:column;gap:8px;font-size:13.5px;font-weight:700;color:var(--navy-deep);min-width:0;}
.field.is-hidden{display:none;}
.input-prefix{display:flex;align-items:center;background:var(--cool-light);border:1.5px solid var(--cool-light-2);border-radius:var(--radius-s);padding:0 14px;transition:border-color .15s;min-width:0;}
.input-prefix:focus-within{border-color:var(--teal-energy);}
.input-prefix span{font-family:var(--font-mono);color:var(--ink-soft);font-size:13.5px;flex-shrink:0;}
.input-prefix input,select{
  border:none;background:none;padding:14px 8px;font-size:15.5px;font-family:var(--font-mono);color:var(--ink);width:100%;min-width:0;
}
select{border:1.5px solid var(--cool-light-2);border-radius:var(--radius-s);background:var(--cool-light);padding:14px;font-family:var(--font-body);font-weight:600;font-size:14.5px;max-width:100%;text-overflow:ellipsis;}
input:focus,select:focus{outline:none;}
.calc-disclaimer{font-size:12.5px;color:var(--ink-soft);margin:0;}

/* ============ GRADE DE CARGAS (DIMENSIONAMENTO HÍBRIDO) ============ */
.load-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;min-width:0;}
.load-item{
  display:flex;align-items:center;gap:10px;background:var(--cool-light);border-radius:var(--radius-s);
  padding:12px 14px;font-size:14px;font-weight:600;color:var(--navy-deep);cursor:pointer;min-width:0;
}
.load-item input{width:16px;height:16px;accent-color:var(--teal-energy);flex-shrink:0;}
.load-item span{margin-left:auto;font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--ink-soft);white-space:nowrap;}

.calc-result{border-top:2px dashed var(--cool-light-2);padding-top:32px;display:flex;flex-direction:column;gap:28px;}
.result-arc{text-align:center;}
.result-kwp{font-family:var(--font-display);font-size:44px;color:var(--navy-deep);font-weight:600;}
.result-kwp-label{display:block;font-size:13.5px;color:var(--ink-soft);margin-top:4px;}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;}
.result-card{background:var(--cool-light);border-radius:var(--radius-s);padding:18px;display:flex;flex-direction:column;gap:6px;}
.result-card.highlight{background:linear-gradient(135deg,var(--teal-energy),#0B4A22);color:var(--white);}
.result-label{font-size:12.5px;font-weight:700;opacity:0.8;}
.result-value{font-family:var(--font-mono);font-size:19px;font-weight:700;}

.proposal-card{background:var(--navy-deep);border-radius:var(--radius-m);padding:32px;color:var(--white);}
.proposal-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.proposal-head h3{color:var(--white);font-size:22px;}
.proposal-tag{font-size:11.5px;font-family:var(--font-mono);color:var(--gold-soft);text-transform:uppercase;letter-spacing:0.06em;}
.proposal-rows{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;}
.proposal-row{display:flex;justify-content:space-between;gap:16px;font-size:14.5px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.1);}
.proposal-row span{color:rgba(255,255,255,0.65);}
.proposal-row strong{font-family:var(--font-mono);text-align:right;}

/* ============ BENEFITS ============ */
.benefits{padding:96px 0;}
.benefit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:24px;}
.benefit-card{padding:32px 26px;border-radius:var(--radius-m);background:var(--cool-light);transition:transform .2s;}
.benefit-card:hover{transform:translateY(-4px);}
.benefit-icon{font-size:30px;margin-bottom:16px;}
.benefit-card h3{font-size:18px;color:var(--navy-deep);margin-bottom:10px;}
.benefit-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.55;}

/* ============ PROCESS ============ */
.process{background:var(--navy-deep);padding:96px 0;color:var(--white);}
.process .eyebrow{color:var(--gold-soft);}
.process .section-head h2{color:var(--white);}
.process-track{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;}
.process-track::before{content:"";position:absolute;top:20px;left:5%;right:5%;height:1px;background:rgba(255,255,255,0.15);}
.process-step{padding:0 16px;position:relative;}
.step-index{font-family:var(--font-mono);color:var(--gold-sun);font-size:14px;display:inline-block;background:var(--navy-deep);padding-right:8px;position:relative;z-index:1;}
.process-step h3{font-size:18px;margin:16px 0 8px;color:var(--white);}
.process-step p{font-size:13.5px;color:rgba(255,255,255,0.65);line-height:1.55;}
.etapas-nota{text-align:center;font-size:12.5px;color:rgba(255,255,255,0.45);margin-top:32px;}

/* ============ SOLUTIONS ============ */
.solutions{padding:96px 0;background:var(--cool-light);}
.tab-list{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:36px;}
.tab-btn{
  padding:12px 22px;border-radius:999px;border:1.5px solid var(--cool-light-2);background:var(--white);
  font-weight:700;font-size:14px;color:var(--ink-soft);cursor:pointer;transition:all .18s;
}
.tab-btn.is-active{background:var(--navy-deep);color:var(--white);border-color:var(--navy-deep);}
.tab-panels{max-width:760px;margin:0 auto;background:var(--white);border-radius:var(--radius-l);padding:40px;box-shadow:var(--shadow-soft);}
.tab-panel{display:none;}
.tab-panel.is-active{display:block;animation:fadeIn .3s ease;}
.tab-panel h3{font-size:24px;color:var(--navy-deep);margin-bottom:14px;}
.tab-panel p{color:var(--ink-soft);line-height:1.65;font-size:15.5px;margin-bottom:18px;}
.tab-panel ul{display:flex;flex-direction:column;gap:10px;}
.tab-panel li{padding-left:22px;position:relative;font-size:14.5px;color:var(--ink);}
.tab-panel li::before{content:"✓";position:absolute;left:0;color:var(--teal-energy);font-weight:700;}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

/* ============ SISTEMA HÍBRIDO ============ */
.hybrid{padding:96px 0;background:var(--white);}
.hybrid-flow{
  display:flex;align-items:stretch;justify-content:center;gap:20px;max-width:1000px;margin:0 auto 64px;flex-wrap:wrap;
}
.hybrid-step{
  flex:1;min-width:220px;max-width:280px;background:var(--cool-light);border-radius:var(--radius-m);
  padding:30px 24px;text-align:center;
}
.hybrid-icon{
  width:60px;height:60px;border-radius:50%;background:var(--white);display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;box-shadow:0 8px 20px -10px rgba(5,0,64,0.25);
}
.hybrid-step h3{font-size:17px;color:var(--navy-deep);margin-bottom:10px;}
.hybrid-step p{font-size:14px;color:var(--ink-soft);line-height:1.55;}
.hybrid-arrow{display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--teal-energy);font-weight:700;}
.hybrid-cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;max-width:900px;margin:0 auto 48px;}
.hybrid-case{background:var(--navy-deep);border-radius:var(--radius-m);padding:30px 28px;}
.hybrid-case h4{color:var(--gold-sun);font-family:var(--font-display);font-size:19px;margin-bottom:12px;}
.hybrid-case p{color:rgba(255,255,255,0.75);font-size:14.5px;line-height:1.6;}
.hybrid-cta{text-align:center;}
@media (max-width:760px){
  .hybrid-arrow{transform:rotate(90deg);}
}

/* ============ TABELA COMPARATIVA ============ */
.compare-table{max-width:900px;margin:0 auto;background:var(--white);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-soft);}
.compare-row{display:grid;grid-template-columns:1.3fr 1fr 1fr;}
.compare-row > div{padding:16px 20px;font-size:14px;line-height:1.5;border-bottom:1px solid var(--cool-light-2);}
.compare-row:last-child > div{border-bottom:none;}
.compare-row > div:first-child{font-weight:700;color:var(--navy-deep);background:var(--cool-light);}
.compare-head{background:var(--navy-deep);}
.compare-head > div{background:var(--navy-deep);color:var(--white);font-family:var(--font-display);font-size:16px;font-weight:600;border-bottom:none;}
.compare-head > div:first-child{background:var(--navy-deep);}
.compare-row > div.no{color:var(--ink-soft);}
.compare-row > div.yes{color:var(--navy-deep);font-weight:600;position:relative;padding-left:34px;}
.compare-row > div.yes::before{content:"✓";position:absolute;left:14px;color:var(--teal-energy);font-weight:800;}
@media (max-width:640px){
  .compare-row{grid-template-columns:1fr;}
  .compare-row > div:first-child{border-bottom:none;padding-bottom:4px;}
  .compare-row > div.yes,.compare-row > div.no{padding-top:4px;}
  .compare-head{display:none;}
}

/* ============ SCROLL REVEAL ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease, transform .7s ease;}
.reveal.is-visible{opacity:1;transform:none;}
.benefit-card,.testimonial,.result-card{will-change:transform;}
.benefit-card:hover,.testimonial:hover{box-shadow:0 16px 32px -18px rgba(5,0,64,0.25);}

/* ============ SOCIAL PROOF ============ */
.social-proof{padding:96px 0;}
.metrics-strip{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px;background:var(--navy-deep);
  color:var(--white);border-radius:var(--radius-l);padding:40px;margin-bottom:80px;text-align:center;
}
.metric strong{display:block;font-family:var(--font-mono);font-size:32px;color:var(--gold-sun);}
.metric span{font-size:13px;color:rgba(255,255,255,0.65);}
.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin-bottom:48px;}
.testimonial{background:var(--cool-light);border-radius:var(--radius-m);padding:28px;margin:0;}
.testimonial p{font-size:14.5px;color:var(--ink);line-height:1.6;font-style:italic;}
.testimonial footer{margin-top:18px;display:flex;flex-direction:column;font-size:13px;}
.testimonial footer strong{color:var(--navy-deep);}
.testimonial footer span{color:var(--ink-soft);}
.badges-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.badge{
  font-size:12.5px;font-weight:700;color:var(--navy-deep);background:var(--cool-light-2);padding:10px 18px;border-radius:999px;
}

/* ============ FAQ ============ */
.faq{padding:96px 0;background:var(--cool-light);}
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--white);border-radius:var(--radius-s);overflow:hidden;}
.faq-question{
  width:100%;text-align:left;padding:20px 24px;background:none;border:none;cursor:pointer;
  font-family:var(--font-body);font-weight:700;font-size:15.5px;color:var(--navy-deep);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-icon{font-family:var(--font-mono);color:var(--teal-energy);font-size:20px;transition:transform .2s;}
.faq-item.is-active .faq-icon{transform:rotate(45deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.is-active .faq-answer{max-height:600px;}
.faq-answer p{padding:0 24px 22px;color:var(--ink-soft);font-size:14.5px;line-height:1.6;}

/* ============ FINAL CTA ============ */
.final-cta{background:linear-gradient(135deg,var(--navy-deep),var(--navy-soft));padding:96px 0;text-align:center;}
.final-cta-inner{max-width:600px;margin:0 auto;}
.final-cta h2{color:var(--white);font-size:clamp(26px,3.6vw,36px);margin-bottom:16px;}
.final-cta p{color:rgba(255,255,255,0.75);font-size:16px;margin-bottom:32px;}

/* ============ FOOTER ============ */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,0.7);padding:88px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px;padding-bottom:48px;}
.footer-logo{display:inline-flex;align-items:center;margin-bottom:32px;}
.footer-logo-icon{height:260px;width:auto;display:block;}
.footer-logo-text{font-family:var(--font-display);font-size:32px;font-weight:600;color:var(--white);}
.footer-logo-text strong{color:var(--gold-sun);}
.footer-tagline{font-size:13px;color:var(--gold-soft);font-style:italic;margin-bottom:4px;}
.footer-col p{font-size:13.5px;line-height:1.6;margin-top:10px;}
.footer-col h4{color:var(--white);font-size:14px;margin-bottom:16px;}
.footer-col a{display:block;font-size:13.5px;margin-bottom:10px;transition:color .15s;}
.footer-col a:hover{color:var(--gold-sun);}
.footer-social{display:flex;gap:14px;margin-top:16px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;font-size:12.5px;text-align:center;}

/* ============ WHATSAPP FLOAT ============ */
.whatsapp-float{
  position:fixed;bottom:24px;right:24px;width:58px;height:58px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px -6px rgba(37,211,102,0.6);z-index:100;
  transition:transform .18s;
}
.whatsapp-float:hover{transform:scale(1.08);}

/* ============ RESPONSIVE ============ */
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .process-track{grid-template-columns:1fr 1fr;gap:32px 16px;}
  .process-track::before{display:none;}
}

/* Cabeçalho: nav completo vira menu hambúrguer também em tablets, não só em celulares */
@media (max-width:1024px){
  .main-nav{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .site-header{position:relative;}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;z-index:40;
    flex-direction:column;gap:0;background:var(--white);
    padding:8px 24px 16px;box-shadow:0 16px 28px -16px rgba(5,0,64,0.25);
    border-bottom:1px solid var(--cool-light-2);
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:14px 2px;border-bottom:1px solid var(--cool-light-2);font-size:15.5px;}
  .main-nav a:last-child{border-bottom:none;}
}

@media (max-width:760px){
  .hero-inner{padding:80px 24px 140px;}
  .hero-logo-img{height:100px;}
  .calculator{padding:26px;}
  .footer-grid{grid-template-columns:1fr;}
}

@media (max-width:480px){
  .wrap{padding:0 16px;}
  .hero-sub{font-size:16px;}
  .hero-trust{gap:24px;}
  .btn-lg{padding:14px 24px;font-size:15px;}
  .section-head h2{font-size:26px;}
  .result-kwp{font-size:34px;}
  .proposal-row{flex-direction:column;gap:4px;}
  .proposal-row strong{text-align:left;}
  .compare-row > div{padding:12px 14px;}
  .whatsapp-float{width:50px;height:50px;bottom:16px;right:16px;}
}