/* ============================================================
   HAV ENERGIA SOLAR — Landing Page
   Direção visual: luz solar. Base creme/branca, tipografia navy,
   acentos em ouro/laranja, sombras quentes e raios de sol sutis.
   ============================================================ */

/* ------------------------------------------------------------
   TIPOGRAFIA — manual da marca
   Fonte 1 (títulos/display): GOODTIMES
   Fonte 2 (texto):           Codec Pro
   Ambas são comerciais e não estão no Google Fonts. Coloque os
   arquivos licenciados em /fonts com os nomes abaixo e elas
   passam a valer automaticamente; enquanto não existirem, o
   navegador usa as substitutas gratuitas mais próximas
   (Michroma para a display, Lexend para o texto).
   ------------------------------------------------------------ */
@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700;800&family=Michroma&display=swap');

@font-face{
  font-family:'Good Times';
  src:url('../fonts/goodtimes.woff2') format('woff2'),
      url('../fonts/goodtimes.woff') format('woff');
  font-weight:400 700;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'Codec Pro';
  src:url('../fonts/codec-pro-regular.woff2') format('woff2'),
      url('../fonts/codec-pro-regular.woff') format('woff');
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'Codec Pro';
  src:url('../fonts/codec-pro-light.woff2') format('woff2'),
      url('../fonts/codec-pro-light.woff') format('woff');
  font-weight:300;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'Codec Pro';
  src:url('../fonts/codec-pro-bold.woff2') format('woff2'),
      url('../fonts/codec-pro-bold.woff') format('woff');
  font-weight:700;font-style:normal;font-display:swap;
}

:root{
  --font-display:'Good Times','Michroma','Lexend',sans-serif;
  --font-body:'Codec Pro','Lexend',system-ui,sans-serif;

  --navy:#0c2d56;
  --navy-deep:#071d38;
  --navy-soft:#16467f;
  --gold:#f9ba2c;
  --amber:#f9ba2c;
  --orange:#f68415;
  --white:#ffffff;
  --cream:#fdfaf4;
  --cream-2:#faf4e9;
  --ink:#1b2a3d;
  --muted:#5d6f85;
  --border:#ecebe6;

  --sun:linear-gradient(100deg,var(--amber) 0%,var(--gold) 45%,var(--orange) 100%);
  --shadow-soft:0 18px 40px -22px rgba(12,45,86,.28);
  --shadow-card:0 24px 60px -30px rgba(12,45,86,.35);
  --shadow-warm:0 22px 45px -18px rgba(246,132,21,.42);
  --ease:cubic-bezier(.22,1,.36,1);
  --container:1200px;
  --radius:20px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{
  font-family:var(--font-body);
  background:var(--cream);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}
section{position:relative}
.container{max-width:var(--container);margin:0 auto;padding:0 28px}

/* ---------- elementos tipográficos comuns ---------- */
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);
  font-size:.65rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--orange);margin-bottom:16px;
}
.kicker::before{content:'';width:26px;height:2px;border-radius:2px;background:var(--sun)}
.kicker.light{color:var(--gold)}
.kicker.center{justify-content:center}

/* Fonte 1 (display) é bem mais larga que a Lexend: tamanhos menores,
   tracking neutro e entrelinha maior para compensar. */
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--navy);font-weight:700;letter-spacing:0;line-height:1.32;
}
.title{font-size:clamp(1.2rem,2.2vw,1.8rem);margin-bottom:18px;line-height:1.35}
.title .hl{
  background:var(--sun);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead-text{color:var(--muted);font-size:1.04rem;font-weight:300;max-width:62ch}
.lead-text + .lead-text{margin-top:16px}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 30px;border-radius:100px;
  font-family:var(--font-display);
  font-size:.68rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),background .3s,color .3s;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform .35s var(--ease)}
.btn-sun{background:var(--sun);color:var(--navy-deep);box-shadow:var(--shadow-warm)}
.btn-sun:hover{transform:translateY(-3px);box-shadow:0 26px 50px -18px rgba(246,132,21,.6)}
.btn-sun:hover svg{transform:translateX(4px)}
.btn-outline{border:1.5px solid rgba(255,255,255,.45);color:#fff}
.btn-outline:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn-navy{background:var(--navy);color:#fff;box-shadow:var(--shadow-soft)}
.btn-navy:hover{transform:translateY(-3px);background:var(--navy-soft)}
.btn-block{width:100%}

/* ============================================================
   HEADER — branco
   ============================================================ */
/* Sem backdrop-filter: um filtro no header criaria um containing block
   e a gaveta fixa (.nav-drawer) deixaria de se ancorar na viewport. */
.site-header{
  position:sticky;top:0;z-index:500;
  background:var(--white);
  border-bottom:1px solid var(--border);
  transition:box-shadow .35s,padding .35s;
}
.site-header.scrolled{box-shadow:0 10px 30px -18px rgba(12,45,86,.3)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.nav-drawer{display:contents}
.brand img{height:78px;width:auto;transition:height .35s var(--ease)}
.site-header.scrolled .brand img{height:62px}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{
  position:relative;font-size:.9rem;font-weight:500;color:var(--navy);padding:6px 0;
  transition:color .25s;
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;
  background:var(--sun);transition:width .35s var(--ease);
}
.nav-links a:hover{color:var(--orange)}
.nav-links a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:14px}
.burger{width:28px;height:20px;position:relative;display:none;flex:none}
.burger span{position:absolute;left:0;width:100%;height:2px;border-radius:2px;background:var(--navy);transition:.35s var(--ease)}
.burger span:nth-child(1){top:0}
.burger span:nth-child(2){top:9px}
.burger span:nth-child(3){top:18px}
.burger.open span:nth-child(1){top:9px;transform:rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){top:9px;transform:rotate(-45deg)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;align-items:center;
  padding:110px 0 190px;
  overflow:hidden;
  background:var(--navy-deep);
}
.hero-photo{
  position:absolute;inset:0;
  background:url('../images/hero-3.webp') center 60%/cover no-repeat;
  transform:scale(1.04);
  animation:slowZoom 22s ease-in-out infinite alternate;
}
@keyframes slowZoom{from{transform:scale(1.04)}to{transform:scale(1.13)}}
.hero-scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(95deg,rgba(7,29,56,.93) 0%,rgba(12,45,86,.82) 42%,rgba(12,45,86,.28) 72%,rgba(12,45,86,.12) 100%),
    linear-gradient(to bottom,rgba(7,29,56,.5) 0%,transparent 25%,rgba(7,29,56,.55) 100%);
}
.hero .container{position:relative;z-index:3}
.hero-inner{max-width:730px}
.hero h1{
  color:#fff;font-size:clamp(1.3rem,2.9vw,2.3rem);font-weight:700;
  line-height:1.38;margin-bottom:26px;text-wrap:balance;
}
.hero h1 .hl{
  background:var(--sun);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p{color:rgba(255,255,255,.85);font-weight:300;font-size:1.12rem;max-width:600px}
.hero p + p{margin-top:14px;font-size:1rem;color:rgba(255,255,255,.7)}

/* slogan da marca */
.hero .slogan{
  font-family:var(--font-display);
  font-size:clamp(.82rem,1.35vw,1.02rem);
  font-weight:700;line-height:1.7;letter-spacing:.01em;
  color:var(--gold);
  padding-left:18px;margin:0 0 26px;
  border-left:3px solid var(--orange);
  max-width:none;
}
.hero p.slogan + p{margin-top:0}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:38px}

/* faixa de destaques sobreposta */
.highlight-bar{
  position:relative;z-index:5;margin-top:-92px;
}
.highlight-bar .inner{
  background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.hb-item{display:flex;align-items:center;gap:15px;padding:28px 22px}
.hb-item + .hb-item{border-left:1px solid var(--border)}
/* destaque do payback */
.hb-accent{background:linear-gradient(160deg,var(--cream-2),#fff)}
.hb-accent .hb-ico{background:var(--sun);border-color:transparent}
.hb-accent .hb-ico svg{color:var(--navy-deep)}
.hb-ico{
  width:52px;height:52px;border-radius:15px;flex:none;
  background:var(--cream-2);border:1px solid #f0e4cd;
  display:grid;place-items:center;
}
.hb-ico svg{width:25px;height:25px;color:var(--orange)}
.hb-item b{display:block;font-family:var(--font-display);font-size:.92rem;color:var(--navy);line-height:1.35}
.hb-item span{font-size:.84rem;color:var(--muted);font-weight:300}

/* ============================================================
   SPLIT GENÉRICO (imagem + texto)
   ============================================================ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.split.reverse .split-media{order:2}
.split-media{position:relative;z-index:1}
.photo{
  position:relative;z-index:2;border-radius:24px;overflow:hidden;
  box-shadow:var(--shadow-card);
}
.photo img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.photo:hover img{transform:scale(1.05)}
.photo::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(12,45,86,.25),transparent 55%);
}
.photo.tall img{height:520px}
.photo.mid img{height:460px}

/* moldura decorativa deslocada atrás da foto */
.split-media .deco-frame{
  position:absolute;inset:28px -28px -28px 28px;border-radius:26px;
  border:1.5px solid rgba(249,186,44,.55);z-index:0;pointer-events:none;
}

/* selo flutuante sobre imagem */
.photo-tag{
  position:absolute;left:24px;bottom:24px;z-index:2;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-radius:16px;padding:16px 20px;display:flex;align-items:center;gap:14px;
  box-shadow:var(--shadow-soft);
}
.photo-tag .ico{width:42px;height:42px;border-radius:12px;background:var(--sun);display:grid;place-items:center;flex:none}
.photo-tag .ico svg{width:22px;height:22px;color:var(--navy-deep)}
.photo-tag b{display:block;font-size:.98rem;color:var(--navy);line-height:1.3}
.photo-tag span{font-size:.78rem;color:var(--muted);font-weight:300}

/* ============================================================
   A HAV — verbos da operação + payback
   ============================================================ */
.about{padding:110px 0 100px;background:var(--cream)}
.about-head{max-width:720px;margin-bottom:52px}
.about-grid{display:grid;grid-template-columns:1fr 350px;gap:32px;align-items:stretch}
.verbs{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.verb{
  background:#fff;border:1px solid var(--border);border-radius:18px;
  padding:26px 24px;position:relative;overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.verb:hover{transform:translateY(-6px);box-shadow:var(--shadow-card)}
.vnum{
  font-family:var(--font-display);font-size:.72rem;font-weight:700;letter-spacing:.1em;
  color:var(--orange);display:block;margin-bottom:12px;
}
.verb h3{font-size:.9rem;margin-bottom:8px;line-height:1.4}
.verb p{font-size:.88rem;color:var(--muted);font-weight:300;line-height:1.6}

/* cartão do payback */
.payback{
  background:linear-gradient(155deg,var(--navy) 0%,var(--navy-deep) 100%);
  border-radius:22px;padding:34px 30px;color:#fff;
  box-shadow:var(--shadow-card);position:relative;overflow:hidden;
  display:flex;flex-direction:column;
}
.payback::before{
  content:'';position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(249,186,44,.22),transparent 68%);
}
.payback > *{position:relative;z-index:2}
.payback .kicker{margin-bottom:14px}
.payback-num{
  font-family:var(--font-display);font-weight:700;line-height:1;
  font-size:clamp(3rem,5vw,4.1rem);
  background:var(--sun);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:flex;align-items:baseline;gap:6px;margin-bottom:14px;
}
.payback-num .approx{font-size:.5em}
.payback-num small{font-size:.28em;letter-spacing:.12em;text-transform:uppercase}
.payback h3{color:#fff;font-size:.95rem;margin-bottom:10px}
.payback p{font-size:.9rem;font-weight:300;color:rgba(255,255,255,.72);line-height:1.65}
.payback-note{
  font-size:.76rem!important;color:rgba(255,255,255,.5)!important;
  margin-top:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.14);
}
.payback .btn{margin-top:auto;padding-top:14px;padding-bottom:14px}
.payback .btn{margin-top:24px}

/* ============================================================
   SEÇÃO: POR QUE INVESTIR
   ============================================================ */
.why{padding:120px 0 110px;background:var(--cream)}
.why-points{display:flex;flex-direction:column;gap:18px;margin-top:34px}
.why-points li{display:flex;gap:14px;align-items:flex-start;font-size:.98rem;color:var(--ink);font-weight:300}
.why-points .dot{
  width:26px;height:26px;border-radius:50%;flex:none;margin-top:2px;
  background:var(--cream-2);border:1px solid #f2e3c6;display:grid;place-items:center;
}
.why-points .dot svg{width:13px;height:13px;color:var(--orange)}

/* ============================================================
   SEÇÃO: PROJETO ESTRUTURADO
   ============================================================ */
.project{padding:110px 0;background:var(--white);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.project .split{gap:64px;align-items:start}
.project-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
.pcard{
  background:var(--cream);border:1px solid var(--border);border-radius:18px;
  padding:26px 22px;position:relative;overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),background .35s;
}
.pcard::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--sun);
  transform:scaleY(0);transform-origin:top;transition:transform .5s var(--ease);
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);background:#fff}
.pcard:hover::before{transform:scaleY(1)}
.pcard .ico{
  width:46px;height:46px;border-radius:13px;margin-bottom:16px;
  background:var(--navy);display:grid;place-items:center;
}
.pcard .ico svg{width:23px;height:23px;color:var(--gold)}
.pcard h3{font-size:.86rem;margin-bottom:10px;line-height:1.45}
.pcard p{font-size:.89rem;color:var(--muted);font-weight:300;line-height:1.6}

/* ============================================================
   FAIXA: DIVERSIFIQUE SEU PATRIMÔNIO
   ============================================================ */
.band{
  padding:130px 0;
  position:relative;overflow:hidden;
  background:var(--navy-deep);
}
.band-photo{
  position:absolute;inset:0;
  background:url('../images/hero-2.webp') center 45%/cover no-repeat;
}
.band-scrim{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(7,29,56,.94) 8%,rgba(12,45,86,.86) 55%,rgba(12,45,86,.72) 100%);
}
.band .container{position:relative;z-index:3;text-align:center}
.band h2{color:#fff;font-size:clamp(1.2rem,2.3vw,1.85rem);line-height:1.4;max-width:880px;margin:0 auto 24px}
.band h2 .hl{background:var(--sun);-webkit-background-clip:text;background-clip:text;color:transparent}
.band p{color:rgba(255,255,255,.78);font-weight:300;font-size:1.05rem;max-width:740px;margin:0 auto 16px}
.band .btn{margin-top:26px}
.sun-arc{
  position:absolute;width:760px;height:760px;border-radius:50%;
  border:1px solid rgba(249,186,44,.16);left:50%;top:50%;transform:translate(-50%,-50%);
  z-index:2;pointer-events:none;
}
.sun-arc::after{content:'';position:absolute;inset:110px;border-radius:50%;border:1px solid rgba(249,186,44,.12)}

/* ============================================================
   COMO FUNCIONA — timeline vertical + foto
   ============================================================ */
.how{padding:120px 0;background:var(--cream)}
.timeline{margin-top:38px;position:relative;padding-left:8px}
.timeline::before{
  content:'';position:absolute;left:31px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(to bottom,var(--gold),rgba(249,186,44,.15));
}
.tl-item{display:flex;gap:24px;position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  width:48px;height:48px;border-radius:50%;flex:none;z-index:2;
  background:#fff;border:2px solid var(--gold);color:var(--navy);
  display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:.85rem;
  box-shadow:0 0 0 6px var(--cream);
  transition:background .35s,color .35s,transform .35s var(--ease);
}
.tl-item:hover .tl-num{background:var(--sun);transform:scale(1.08)}
.tl-body h3{font-size:.88rem;margin-bottom:8px;line-height:1.45}
.tl-body p{font-size:.93rem;color:var(--muted);font-weight:300}

/* ============================================================
   FORMULÁRIO
   ============================================================ */
.contact{
  padding:120px 0;background:var(--white);
  border-top:1px solid var(--border);
  position:relative;overflow:hidden;
}
.contact::before{
  content:'';position:absolute;right:-280px;top:-180px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(249,186,44,.14),transparent 68%);
}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center;position:relative;z-index:2}
.contact-visual .photo img{height:560px}
.contact-copy{margin-bottom:0}
.form-card{
  background:var(--cream);border:1px solid var(--border);
  border-radius:24px;padding:40px 38px;box-shadow:var(--shadow-card);
}
.form-card .form-head{margin-bottom:26px}
.form-card h3{font-size:1rem;margin-bottom:8px;line-height:1.4}
.form-card .form-head p{font-size:.92rem;color:var(--muted);font-weight:300}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{
  display:block;font-size:.74rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--navy);margin-bottom:7px;font-family:var(--font-display);font-size:.64rem;letter-spacing:.06em;
}
.field input{
  width:100%;padding:14px 16px;border-radius:12px;background:#fff;
  border:1.5px solid #e6e3dc;font-family:inherit;font-size:.95rem;color:var(--ink);
  transition:border-color .25s,box-shadow .25s;
}
.field input::placeholder{color:#a9b3bf}
.field input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px rgba(249,186,44,.18)}
.field.error input{border-color:#dc6a56;box-shadow:0 0 0 4px rgba(220,106,86,.12)}
.field .msg{display:none;font-size:.76rem;color:#c9503b;margin-top:6px}
.field.error .msg{display:block}
.form-card .btn{margin-top:8px}
.form-status{margin-top:14px;font-size:.88rem;text-align:center;font-weight:500;min-height:20px}
.form-status.ok{color:#178c4e}
.form-status.err{color:#c9503b}
.form-note{
  margin-top:14px;font-size:.76rem;color:#8d99a7;text-align:center;font-weight:300;
  display:flex;align-items:center;justify-content:center;gap:7px;
}
.form-note svg{width:13px;height:13px;color:#25D366;flex:none}

/* ============================================================
   RODAPÉ
   ============================================================ */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.68);padding-top:80px;position:relative;overflow:hidden}
.site-footer::before{
  content:'';position:absolute;left:-200px;bottom:-260px;width:560px;height:560px;border-radius:50%;
  border:1px solid rgba(249,186,44,.12);
}
.footer-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr 1fr;gap:56px;padding-bottom:60px;
}
.footer-brand img{height:126px;width:auto;margin-bottom:22px}
.footer-brand p{font-size:.92rem;font-weight:300;line-height:1.75;color:rgba(255,255,255,.6);max-width:340px}
.social{display:flex;gap:12px;margin-top:24px}
.social a{
  width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  display:grid;place-items:center;transition:.35s var(--ease);
}
.social a:hover{background:var(--sun);border-color:transparent;transform:translateY(-3px)}
.social a:hover svg{color:var(--navy-deep)}
.social svg{width:19px;height:19px;color:#fff;transition:color .3s}
.footer-col h4{color:#fff;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:22px}
.f-contact{display:flex;flex-direction:column;gap:16px}
.f-contact a,.f-contact div{
  display:flex;gap:12px;align-items:flex-start;font-size:.92rem;font-weight:300;
  color:rgba(255,255,255,.72);transition:color .25s;line-height:1.55;
}
.f-contact a:hover{color:var(--gold)}
.f-contact .ic{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  display:grid;place-items:center;
}
.f-contact .ic svg{width:16px;height:16px;color:var(--gold)}
.map-frame{border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.14)}
.map-frame iframe{width:100%;height:230px;display:block;border:0;filter:grayscale(.2) contrast(1.05)}
.footer-bottom{
  position:relative;z-index:2;
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:.8rem;color:rgba(255,255,255,.42);
}
.footer-bottom .tag{font-family:var(--font-display);color:var(--gold);letter-spacing:.06em;text-transform:uppercase;font-size:.62rem}
.footer-bottom .cnpj{display:inline-block;margin-top:4px;color:rgba(255,255,255,.32);letter-spacing:.04em}

/* ---------- botão flutuante whatsapp ---------- */
.wa-float{
  position:fixed;right:24px;bottom:24px;z-index:400;
  width:60px;height:60px;border-radius:50%;background:#25D366;
  display:grid;place-items:center;
  box-shadow:0 14px 32px -10px rgba(37,211,102,.75);
  transition:transform .35s var(--ease);
  animation:waPulse 2.8s ease-out infinite;
}
.wa-float:hover{transform:scale(1.09)}
.wa-float svg{width:31px;height:31px;color:#fff}
@keyframes waPulse{
  0%{box-shadow:0 14px 32px -10px rgba(37,211,102,.75),0 0 0 0 rgba(37,211,102,.45)}
  70%{box-shadow:0 14px 32px -10px rgba(37,211,102,.75),0 0 0 16px rgba(37,211,102,0)}
  100%{box-shadow:0 14px 32px -10px rgba(37,211,102,.75),0 0 0 0 rgba(37,211,102,0)}
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.stagger > *{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.stagger.in > *{opacity:1;transform:none}
.stagger.in > *:nth-child(1){transition-delay:.06s}
.stagger.in > *:nth-child(2){transition-delay:.16s}
.stagger.in > *:nth-child(3){transition-delay:.26s}
.stagger.in > *:nth-child(4){transition-delay:.36s}
@media (prefers-reduced-motion:reduce){
  .reveal,.stagger > *{opacity:1;transform:none;transition:none}
  .hero-photo{animation:none}
  .wa-float{animation:none}
}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width:1080px){
  .split,.contact-grid{grid-template-columns:1fr;gap:48px}
  .split.reverse .split-media{order:0}
  .contact-visual{order:-1}
  .contact-visual .photo img{height:400px}
  .photo.tall img,.photo.mid img{height:400px}
  .split-media .deco-frame{display:none}
  .about-grid{grid-template-columns:1fr;gap:26px}
  .highlight-bar .inner{grid-template-columns:1fr 1fr}
  .hb-item + .hb-item{border-left:none}
  .hb-item:nth-child(even){border-left:1px solid var(--border)}
  .hb-item:nth-child(n+3){border-top:1px solid var(--border)}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:48px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  /* wrapper fixo do tamanho da viewport: recorta a gaveta e evita scroll horizontal */
  .nav-drawer{
    display:block;position:fixed;inset:0;z-index:400;
    overflow:hidden;pointer-events:none;visibility:hidden;
    background:rgba(7,29,56,0);
    transition:background .4s var(--ease),visibility 0s .45s;
  }
  .nav-drawer.open{
    visibility:visible;pointer-events:auto;background:rgba(7,29,56,.5);
    transition:background .4s var(--ease),visibility 0s 0s;
  }
  .nav-links{
    position:absolute;top:0;right:0;bottom:0;width:78%;max-width:330px;
    background:#fff;flex-direction:column;justify-content:center;align-items:flex-start;
    padding:40px;gap:28px;transform:translateX(100%);transition:transform .45s var(--ease);
    box-shadow:-24px 0 60px -20px rgba(12,45,86,.35);
  }
  .nav-drawer.open .nav-links{transform:none}
  .nav-links a{font-size:1.05rem}
  .burger{display:block}
  .nav-right .btn{padding:12px 20px;font-size:.72rem}
  .highlight-bar .inner{grid-template-columns:1fr}
  .hb-item + .hb-item{border-left:none;border-top:1px solid var(--border)}
  .hb-item:nth-child(even){border-left:none}
  .verbs{grid-template-columns:1fr}
  .project-cards{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .hero{min-height:auto;padding:90px 0 170px}
  .brand img{height:56px}
  .site-header.scrolled .brand img{height:48px}
  .nav-right .btn span{display:none}
  .form-card{padding:30px 22px}
  .form-row{grid-template-columns:1fr;gap:0}
  .why,.project,.how,.contact{padding:80px 0}
  .band{padding:96px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .footer-brand img{height:86px}
  .wa-float{width:54px;height:54px;right:16px;bottom:16px}
  .wa-float svg{width:28px;height:28px}
}