/* Prime Energia Solar — site institucional
   Conceito: faixas alternadas "noite azul-marinho / dia claro", com o laranja do sol
   do logo reservado para ação e para os números de geração (kWh). */
:root{
  --navy-900:#071225;
  --navy-800:#0b1b36;
  --navy-700:#13284d;
  --navy-line:rgba(160,190,235,.16);
  --sun:#f47a1f;
  --sun-deep:#d9600b;
  --sun-soft:#fff1e5;
  --paper:#f3f6fb;
  --white:#ffffff;
  --ink:#0d1a30;
  --ink-2:#4a5a74;
  --mist:#a9bbd6;
  --line:#dbe3ef;
  --ok:#1f9d63;

  --f-display:"Archivo", "Arial Narrow", system-ui, sans-serif;
  --f-body:"Figtree", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-data:"JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --wrap:1180px;
  --r:14px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--f-body)}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px;border-radius:6px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-left:max(20px, env(safe-area-inset-left, 0px));padding-right:max(20px, env(safe-area-inset-right, 0px))}
h1,h2,h3{font-family:var(--f-display);font-stretch:118%;line-height:1.04;letter-spacing:-.01em;margin:0;text-wrap:balance}
h1{font-size:clamp(2.3rem,5.4vw,4.4rem);font-weight:800}
h2{font-size:clamp(1.8rem,3.6vw,2.9rem);font-weight:800}
h3{font-size:1.25rem;font-weight:700;font-stretch:110%}
p{margin:0}
.eyebrow{font:600 .78rem/1 var(--f-data);letter-spacing:.14em;text-transform:uppercase;color:var(--sun-deep)}
.lead{font-size:1.15rem;color:var(--ink-2);max-width:60ch}
.stack{display:flex;flex-direction:column;gap:18px}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 24px;border-radius:999px;font:700 1rem/1 var(--f-body);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s ease, background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-sun{background:var(--sun);color:#1b0c00}
.btn-sun:hover{background:#ff8a33}
.btn-ghost{border-color:rgba(255,255,255,.35);color:var(--white)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-ink{background:var(--navy-800);color:var(--white)}
.btn svg{width:20px;height:20px;flex:none}

/* Cabeçalho */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top, 0px);z-index:60;background:var(--navy-900)}
.top{position:sticky;top:env(safe-area-inset-top, 0px);z-index:50;background:rgba(7,18,37,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--navy-line)}
.top .wrap{display:flex;align-items:center;gap:24px;min-height:72px}
.top .logo img{height:42px;width:auto}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:#d6e1f2;text-decoration:none;font-weight:600;font-size:.95rem;padding:10px 14px;border-radius:999px}
.nav a:hover,.nav a[aria-current="page"]{background:rgba(255,255,255,.08);color:var(--white)}
.nav .btn{padding:11px 18px;margin-left:8px;font-size:.95rem}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--navy-line);color:var(--white);border-radius:10px;padding:9px 12px;font:600 .9rem var(--f-body)}
@media (max-width:900px){
  .menu-btn{display:inline-flex}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:var(--navy-900);padding:12px max(20px, env(safe-area-inset-right, 0px)) 20px max(20px, env(safe-area-inset-left, 0px));border-bottom:1px solid var(--navy-line)}
  .nav.open{display:flex}
  .nav .btn{margin:8px 0 0}
}

/* Faixa escura */
.dark{background:var(--navy-900);color:var(--white)}
.dark .lead{color:var(--mist)}
.dark .eyebrow{color:var(--sun)}

/* Hero */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 500px at 85% -10%, rgba(244,122,31,.28), transparent 60%),
  radial-gradient(700px 400px at 0% 100%, rgba(40,90,170,.35), transparent 60%),
  var(--navy-900)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--navy-line) 1px,transparent 1px),linear-gradient(90deg,var(--navy-line) 1px,transparent 1px);
  background-size:56px 56px;mask-image:linear-gradient(180deg,#000 0%,transparent 85%)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding-block:72px 84px}
.hero h1 .sun{color:var(--sun)}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.hero-photo{position:relative}
.hero-photo img{border-radius:22px;aspect-ratio:4/4.4;object-fit:cover;width:100%;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.chip{position:absolute;background:var(--white);color:var(--ink);border-radius:16px;padding:14px 18px;box-shadow:0 18px 40px rgba(0,0,0,.3);display:flex;flex-direction:column;gap:2px;min-width:0}
.chip b{font:800 1.7rem/1 var(--f-display);font-stretch:118%;color:var(--navy-800)}
.chip span{font-size:.82rem;color:var(--ink-2);font-weight:600}
.chip.a{left:-28px;bottom:42px}
.chip.b{right:-18px;top:34px;background:var(--sun);}
.chip.b b{color:#1b0c00}.chip.b span{color:#3d1d00}
.meter{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:18px;padding-top:22px;border-top:1px solid var(--navy-line)}
.meter div{display:flex;flex-direction:column;gap:4px}
.meter dt,.meter .k{font:500 .72rem/1 var(--f-data);letter-spacing:.12em;text-transform:uppercase;color:var(--mist)}
.meter .v{font:600 1.05rem/1.2 var(--f-data);color:var(--white)}
@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:40px;padding-block:48px 64px}
  .chip.a{left:12px}.chip.b{right:12px}
}

/* Garantia */
.promise{background:var(--sun)}
.promise .wrap{display:flex;align-items:center;gap:22px;padding-block:26px;flex-wrap:wrap}
.promise strong{font:800 clamp(1.15rem,2.2vw,1.6rem)/1.15 var(--f-display);font-stretch:115%;color:#1b0c00;flex:1 1 420px;text-wrap:balance}
.promise .seal{width:58px;height:58px;flex:none;border-radius:50%;background:#1b0c00;color:var(--sun);display:grid;place-items:center}
.promise .seal svg{width:30px;height:30px}
.promise a{color:#1b0c00;font-weight:700}

/* Seções */
.section{padding-block:96px}
.section-head{display:flex;flex-direction:column;gap:14px;margin-bottom:44px;max-width:760px}
@media (max-width:700px){.section{padding-block:64px}}

/* Segmentos */
.segments{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.seg{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:12px}
.seg .ic{width:48px;height:48px;border-radius:12px;background:var(--sun-soft);color:var(--sun-deep);display:grid;place-items:center}
.seg .ic svg{width:26px;height:26px}
.seg p{color:var(--ink-2)}
@media (max-width:860px){.segments{grid-template-columns:1fr}}

/* Fluxo de energia */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:s;position:relative}
.flow li{list-style:none;position:relative;padding:0 18px 0 0;display:flex;flex-direction:column;gap:10px}
.flow .n{font:600 .8rem/1 var(--f-data);color:var(--sun);letter-spacing:.1em}
.flow .bar{height:4px;border-radius:4px;background:linear-gradient(90deg,var(--sun),rgba(244,122,31,.15));margin:4px 0 8px}
.flow h3{font-size:1.08rem}
.flow p{color:var(--mist);font-size:.95rem}
.flow-wrap{margin:0;padding:0}
@media (max-width:900px){.flow{grid-template-columns:1fr;gap:26px}.flow li{padding:0 0 0 22px;border-left:3px solid var(--sun)}.flow .bar{display:none}}

/* Engenharia */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{border-radius:22px;width:100%;aspect-ratio:4/4.3;object-fit:cover}
.checks{display:grid;gap:14px;margin:6px 0 0;padding:0}
.checks li{list-style:none;display:flex;gap:12px;align-items:flex-start}
.checks li svg{flex:none;width:22px;height:22px;color:var(--ok);margin-top:3px}
.brands{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.brands span{font:600 .8rem/1 var(--f-data);letter-spacing:.06em;border:1px solid var(--line);background:var(--white);border-radius:999px;padding:9px 13px;color:var(--ink-2)}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:32px}}

/* Projetos */
.projects{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.proj{background:var(--white);border:1px solid var(--line);border-radius:20px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;transition:transform .2s ease, box-shadow .2s ease}
.proj:hover{transform:translateY(-3px);box-shadow:0 20px 50px rgba(13,26,48,.12)}
.proj img{aspect-ratio:16/10;object-fit:cover;width:100%}
.proj .body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:12px}
.proj .where{font:600 .78rem/1 var(--f-data);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.proj .kwh{display:flex;align-items:baseline;gap:8px}
.proj .kwh b{font:800 2.1rem/1 var(--f-display);font-stretch:118%;color:var(--sun-deep)}
.proj .kwh span{font:500 .9rem var(--f-data);color:var(--ink-2)}
.proj p{color:var(--ink-2)}
.proj .more{font-weight:700;color:var(--navy-800)}
@media (max-width:860px){.projects{grid-template-columns:1fr}}

.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}
.gallery img{border-radius:14px;aspect-ratio:1;object-fit:cover;width:100%}
@media (max-width:700px){.gallery{grid-template-columns:repeat(2,1fr)}}

/* Depoimento */
.quote{display:grid;grid-template-columns:auto 1fr;gap:34px;align-items:center}
.quote img{width:200px;height:200px;border-radius:50%;object-fit:cover;border:4px solid var(--sun)}
.quote blockquote{margin:0;font:600 clamp(1.25rem,2.4vw,1.75rem)/1.35 var(--f-body);text-wrap:pretty}
.quote cite{display:block;margin-top:16px;font:600 .85rem var(--f-data);font-style:normal;letter-spacing:.08em;text-transform:uppercase;color:var(--sun)}
@media (max-width:700px){.quote{grid-template-columns:1fr}.quote img{width:120px;height:120px}}

/* Formulário de orçamento */
.quote-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.form{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:30px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .full{grid-column:1/-1}
.form label{display:flex;flex-direction:column;gap:7px;font-weight:600;font-size:.92rem}
.form input,.form select{font:500 1rem var(--f-body);padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);width:100%}
.form input:focus,.form select:focus{outline:none;border-color:var(--sun);background:var(--white)}
.form .consent{flex-direction:row;align-items:flex-start;gap:10px;font-weight:500;color:var(--ink-2);font-size:.86rem}
.form .consent input{width:20px;height:20px;flex:none;margin-top:2px;accent-color:var(--sun)}
.form .btn{width:100%}
.form-ok{grid-column:1/-1;background:#eaf7f0;border:1px solid #bfe6d1;color:#0f5135;border-radius:12px;padding:14px 16px;font-weight:600}
.form-ok a{color:#0f5135}
.contact-list{display:grid;gap:14px;margin-top:10px;padding:0}
.contact-list li{list-style:none;display:flex;gap:12px;align-items:center;font-weight:600}
.contact-list svg{width:22px;height:22px;color:var(--sun-deep);flex:none}
.contact-list a{text-decoration:none}
@media (max-width:860px){.quote-box{grid-template-columns:1fr}.form{grid-template-columns:1fr;padding:22px}}

/* Página interna */
.page-hero{background:var(--navy-900);color:var(--white)}
.page-hero .wrap{padding-block:64px 56px;display:flex;flex-direction:column;gap:16px}
.page-hero .lead{color:var(--mist)}
.prose{max-width:68ch;display:flex;flex-direction:column;gap:18px;font-size:1.08rem}
.prose p{color:var(--ink-2)}
.facts{display:flex;flex-wrap:wrap;gap:10px 34px;padding:20px 0;border-block:1px solid var(--line);margin:8px 0}
.facts div{display:flex;flex-direction:column;gap:4px}
.facts .k{font:500 .72rem/1 var(--f-data);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.facts .v{font:700 1.15rem/1.2 var(--f-display);font-stretch:112%}

/* Área do cliente */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.app{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:24px;display:flex;flex-direction:column;gap:14px}
.app .row{display:flex;gap:8px;flex-wrap:wrap}
.app .row a{flex:1 1 120px;text-align:center;text-decoration:none;font-weight:700;font-size:.92rem;border:1.5px solid var(--line);border-radius:12px;padding:11px 10px}
.app .row a:hover{border-color:var(--sun);color:var(--sun-deep)}
.app small{color:var(--ink-2);font-family:var(--f-data);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.steps-vip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.steps-vip div{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:8px}
.steps-vip b{font:800 1.05rem var(--f-display);font-stretch:110%}
.steps-vip p{color:var(--ink-2);font-size:.95rem}
.note{background:var(--sun-soft);border:1px solid #f9d3b1;border-radius:14px;padding:16px 18px;color:#5a2a00}
@media (max-width:860px){.apps,.steps-vip{grid-template-columns:1fr}}

/* Rodapé */
.foot{background:var(--navy-900);color:var(--mist);font-size:.95rem}
.foot .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-block:64px 36px}
.foot h4{font:600 .75rem/1 var(--f-data);letter-spacing:.14em;text-transform:uppercase;color:var(--white);margin:0 0 16px}
.foot ul{margin:0;padding:0;display:grid;gap:10px}
.foot li{list-style:none}
.foot a{text-decoration:none;color:var(--mist)}
.foot a:hover{color:var(--white)}
.foot .logo img{height:44px;width:auto;margin-bottom:16px}
.foot .legal{grid-column:1/-1;border-top:1px solid var(--navy-line);padding-top:22px;font-size:.85rem;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
@media (max-width:860px){.foot .wrap{grid-template-columns:1fr}}

/* WhatsApp flutuante */
.wa{position:fixed;right:calc(18px + env(safe-area-inset-right, 0px));bottom:calc(18px + env(safe-area-inset-bottom, 0px));z-index:40;display:flex;align-items:center;gap:10px;background:#25d366;color:#05310f;text-decoration:none;font-weight:800;border-radius:999px;padding:13px 18px 13px 14px;box-shadow:0 12px 30px rgba(0,0,0,.25)}
.wa svg{width:26px;height:26px}
@media (max-width:600px){.wa span{display:none}.wa{padding:14px}}

/* Entrada suave (a partir de um estado visível) */
@keyframes rise{from{transform:translateY(14px)}to{transform:none}}
.hero .copy>*{animation:rise .7s cubic-bezier(.2,.7,.2,1) both}
.hero .copy>*:nth-child(2){animation-delay:.06s}
.hero .copy>*:nth-child(3){animation-delay:.12s}
.hero .copy>*:nth-child(4){animation-delay:.18s}