/* ==================================================================
   GZI INCORPORACOES - sistema visual compartilhado
   Usado pela homepage (quando existir) e por TODAS as paginas de casas
   (/casa-merlot, /casa-xxx...). Cada casa so troca o --casa (acento) e o
   conteudo; tipografia, grade, botoes, formulario e rodape vem daqui.

   Identidade tirada do proprio logo GZI: serifa fina de alto contraste,
   caixa-alta bem espacada ("I N C O R P O R A C O E S"), grafite e branco.
   Ouro/vinho ficaram de fora de proposito: sao da Casa Malbec.
   ================================================================== */
:root{
  /* base GZI */
  --bone:#F3F0EA;      /* fundo principal, calcario claro */
  --paper:#FAF8F4;
  --stone:#E6E0D6;     /* faixas e cartoes */
  --ink:#1D1E21;
  --graphite:#35363A;  /* cor do logo */
  --muted:#6A665F;
  --line:rgba(29,30,33,.14);
  --night:#141517;     /* secoes escuras (como as paginas pretas da apresentacao) */
  --night-2:#1C1D20;
  --night-text:#ECE8E1;
  --night-muted:rgba(236,232,225,.62);
  --night-line:rgba(236,232,225,.16);
  --bronze:#9C8467;    /* filete fino, como a linha sob o "GZI" */
  --wa:#25D366;      /* mesmo verde da Casa Malbec */
  --wa-2:#1EBE5C;
  /* acento da casa: cada pagina sobrescreve */
  --casa:#5A2A36;

  --serif:'Cormorant Garamond', 'Cormorant', Georgia, 'Times New Roman', serif;
  --sans:'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  --wrap:1240px;
  --gutter:clamp(20px, 4.5vw, 56px);
  --sec:clamp(76px, 10vw, 140px);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bone);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video,svg{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--bronze);outline-offset:3px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}

/* ---------- tipografia ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-family:var(--sans);font-size:11px;font-weight:600;
  letter-spacing:.32em;text-transform:uppercase;color:var(--muted)}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--bronze)}
.dark .eyebrow{color:var(--night-muted)}
.titulo{font-family:var(--serif);font-weight:400;font-size:clamp(34px,4.6vw,58px);line-height:1.08;
  letter-spacing:-.005em;margin:18px 0 22px;font-variant-numeric:lining-nums}
.titulo em{font-style:italic;color:var(--casa)}
.dark .titulo em{color:var(--night-text)}
.lead{font-size:clamp(16px,1.35vw,18px);color:var(--muted);max-width:620px}
.dark .lead{color:var(--night-muted)}
p + p{margin-top:14px}
strong{font-weight:600}
/* numeros de dado SEMPRE na sans (licao da Malbec: na serifa pequena o 1 vira I) */
.num{font-family:var(--sans);font-weight:300;letter-spacing:-.02em;font-variant-numeric:lining-nums tabular-nums}

/* ---------- logo (mascara: herda a cor de onde esta) ---------- */
.gzi{display:block;background:currentColor;-webkit-mask:var(--logo) no-repeat center/contain;mask:var(--logo) no-repeat center/contain}
.gzi-mono{--logo:url(gzi-mono.png);aspect-ratio:600/272}
.gzi-full{--logo:url(gzi-logo.png);aspect-ratio:900/569}

/* ---------- botoes ----------
   Todos os CTAs tem a mesma altura e o mesmo "brilho": um reflexo diagonal
   que atravessa o botao a cada ~4 s (padrao de botao premium/tecnologico) e
   um halo suave da propria cor. Quem pede menos movimento fica sem o reflexo. */
.btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:54px;padding:0 30px;font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  text-decoration:none;text-align:center;border:1px solid transparent;border-radius:2px;cursor:pointer;
  transition:background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease),transform .35s var(--ease)}
.btn svg{width:20px;height:20px;flex:none}
.btn-fx::after{content:"";position:absolute;z-index:-1;top:-20%;bottom:-20%;left:-60%;width:38%;
  background:linear-gradient(105deg,transparent 0%,rgba(255,255,255,.08) 30%,rgba(255,255,255,.55) 50%,rgba(255,255,255,.08) 70%,transparent 100%);
  transform:skewX(-18deg);animation:reflexo 4.2s cubic-bezier(.4,0,.2,1) infinite}
.btn-fx.btn-wa::after{animation-delay:.6s}
@keyframes reflexo{0%{left:-60%}38%,100%{left:130%}}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
/* Quero mais informacoes: grafite com fio de luz em cima */
.btn-solid{background:linear-gradient(180deg,#3E3F44,#2A2B2F);color:#F6F3EE;border-color:rgba(255,255,255,.08);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 10px 26px rgba(20,21,23,.22)}
.btn-solid:hover{box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 14px 34px rgba(20,21,23,.32),0 0 0 1px rgba(156,132,103,.5)}
.btn-solid.btn-fx::after{background:linear-gradient(105deg,transparent 0%,rgba(255,255,255,.05) 30%,rgba(255,255,255,.28) 50%,rgba(255,255,255,.05) 70%,transparent 100%)}
/* versao clara (sobre fundo escuro) */
.dark .btn-solid,.btn-light{background:linear-gradient(180deg,#FFFFFF,#E9E4DB);color:var(--ink);border-color:rgba(255,255,255,.6);
  box-shadow:0 0 0 1px rgba(255,255,255,.08),0 10px 30px rgba(236,232,225,.14)}
.dark .btn-solid:hover,.btn-light:hover{box-shadow:0 0 0 1px rgba(255,255,255,.3),0 14px 40px rgba(236,232,225,.26)}
.dark .btn-solid.btn-fx::after,.btn-light.btn-fx::after{background:linear-gradient(105deg,transparent 0%,rgba(255,255,255,.2) 30%,rgba(255,255,255,.95) 50%,rgba(255,255,255,.2) 70%,transparent 100%)}
/* WhatsApp: verde da Malbec, com halo verde */
.btn-wa{background:linear-gradient(180deg,#2EDC70,var(--wa));color:#fff;border-color:rgba(255,255,255,.18);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 10px 28px rgba(37,211,102,.32)}
.btn-wa:hover{background:linear-gradient(180deg,#29D168,var(--wa-2));box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 14px 36px rgba(37,211,102,.45)}
.btn-wide{width:100%}
@media (prefers-reduced-motion:reduce){ .btn-fx::after{animation:none;display:none} .btn:hover{transform:none} }

/* ---------- header ---------- */
/* barra escura propria no topo: o menu nao depende do que esta atras (painel escuro ou ceu da foto) */
#header{position:fixed;inset:0 0 auto;z-index:80;color:var(--night-text);background:linear-gradient(rgba(20,21,23,.94),rgba(20,21,23,.82));transition:background .4s var(--ease),color .4s var(--ease),box-shadow .4s}
#header.solid{background:rgba(250,248,244,.97);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.hdr{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.hdr .marca{display:flex;align-items:center;gap:16px;text-decoration:none}
.hdr .marca .gzi{height:24px}
.hdr .marca small{font-size:10px;font-weight:600;letter-spacing:.32em;text-transform:uppercase;opacity:.85;padding-left:16px;border-left:1px solid currentColor;white-space:nowrap}
.nav{display:flex;align-items:center;gap:clamp(16px,1.6vw,26px);list-style:none}
.nav a{text-decoration:none;font-size:11px;font-weight:500;letter-spacing:.13em;text-transform:uppercase;opacity:.82;white-space:nowrap;line-height:1}
.nav a:hover{opacity:1}
.nav .btn{opacity:1;min-height:44px;padding:0 20px;font-size:10.5px}
.menu-btn{display:none;width:44px;height:44px;position:relative}
.menu-btn span,.menu-btn::before,.menu-btn::after{content:"";position:absolute;left:11px;right:11px;height:1px;background:currentColor;transition:transform .3s,opacity .3s}
.menu-btn span{top:21px}.menu-btn::before{top:15px}.menu-btn::after{top:27px}
.menu-btn[aria-expanded="true"] span{opacity:0}
.menu-btn[aria-expanded="true"]::before{transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"]::after{transform:translateY(-6px) rotate(-45deg)}
@media (max-width:1240px){
  .menu-btn{display:block}
  .nav{position:fixed;top:78px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);color:var(--ink);
    padding:8px var(--gutter) 24px;box-shadow:0 20px 40px rgba(0,0,0,.08);transform:translateY(-8px);opacity:0;visibility:hidden;transition:.3s var(--ease)}
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav li a{display:block;padding:15px 0;border-bottom:1px solid var(--line)}
  .nav li:last-child a{border:0;margin-top:16px}
  .nav li a.btn{display:flex;min-height:52px;padding:0 20px;font-size:11.5px;opacity:1}
  .nav-open#header{background:var(--paper);color:var(--ink)}
}
@media (max-width:520px){ .hdr .marca{gap:12px} .hdr .marca small{font-size:9px;letter-spacing:.26em;padding-left:12px} }

/* ---------- secoes ---------- */
.sec{padding:var(--sec) 0}
.dark{background:var(--night);color:var(--night-text)}
.stone{background:var(--stone)}
.paper{background:var(--paper)}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,80px);align-items:end;margin-bottom:clamp(36px,5vw,64px)}
.sec-head .titulo{margin-bottom:0}
@media (max-width:860px){ .sec-head{grid-template-columns:1fr} }

/* lista numerada (01, 02...): sem regua entre os itens; o numero e o destaque */
.lista-num{list-style:none;display:grid;gap:clamp(22px,2.6vw,34px)}
.lista-num li{display:grid;grid-template-columns:auto 1fr;gap:4px 18px;align-items:start}
.lista-num li>span{grid-row:span 2;display:grid;place-items:center;width:46px;height:46px;border-radius:50%;
  font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--casa);
  background:var(--paper);border:1px solid rgba(156,132,103,.45);box-shadow:0 6px 16px rgba(29,30,33,.06)}
.dark .lista-num li>span{color:var(--night-text);background:rgba(255,255,255,.04);border-color:rgba(156,132,103,.55);box-shadow:none}
.lista-num h3{font-family:var(--serif);font-weight:500;font-size:23px;line-height:1.2;padding-top:9px}
.lista-num p{color:var(--muted);font-size:15px}
.dark .lista-num p{color:var(--night-muted)}

/* faixa de CTA entre secoes (frase + botoes) */
.cta-faixa{display:flex;align-items:center;justify-content:space-between;gap:20px 32px;flex-wrap:wrap;margin-top:clamp(44px,5vw,64px);
  padding:clamp(24px,3vw,34px) clamp(22px,3vw,40px);background:var(--paper);border:1px solid rgba(156,132,103,.28)}
.stone .cta-faixa{background:var(--bone)}
.paper .cta-faixa{background:var(--bone)}
.dark .cta-faixa{background:rgba(255,255,255,.035);border-color:rgba(156,132,103,.3)}
.cta-faixa p{font-family:var(--serif);font-size:clamp(22px,2vw,28px);line-height:1.2;max-width:560px}
.cta-faixa .acoes{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:640px){ .cta-faixa .acoes{width:100%} .cta-faixa .btn{flex:1 1 100%} }

/* selo de obra: discreto, ponto ambar pulsando */
.obra{display:inline-flex;align-items:center;gap:10px;padding:8px 14px 8px 12px;border:1px solid rgba(156,132,103,.5);border-radius:40px;
  font-size:10.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:inherit;background:rgba(255,255,255,.04)}
.obra i{position:relative;width:8px;height:8px;border-radius:50%;background:#E3B65B}
.obra i::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid #E3B65B;animation:pulso 2.4s ease-out infinite}
@keyframes pulso{0%{transform:scale(.6);opacity:.9}100%{transform:scale(1.8);opacity:0}}

/* ---------- formulario ---------- */
.form-group{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
@media (max-width:560px){ .form-row{grid-template-columns:1fr} }
.form-group label{font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.form-group input{height:52px;padding:0 16px;font:inherit;font-size:16px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:0;transition:border-color .2s}
.form-group input:focus{outline:none;border-color:var(--graphite)}
.form-group.invalido input{border-color:#A3392F}
.campo-erro{font-size:13px;color:#A3392F;min-height:0}
.campo-erro:empty{display:none}
.hp{position:absolute;left:-9999px}
.form-error{display:none;margin-top:14px;font-size:14px;color:#A3392F}
.ou{display:flex;align-items:center;gap:14px;margin:18px 0;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.ou::before,.ou::after{content:"";flex:1;height:1px;background:var(--line)}
.ok{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;border:1px solid var(--graphite);margin-bottom:16px}
.ok svg{width:22px;height:22px}

/* ---------- WhatsApp: flutuante, barra do celular, modal ---------- */
.wa-float{position:fixed;right:24px;bottom:24px;z-index:70;width:60px;height:60px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(180deg,#2EDC70,var(--wa));color:#fff;box-shadow:0 12px 30px rgba(37,211,102,.4);transition:transform .3s var(--ease)}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:28px;height:28px}
.barra{display:none}
@media (max-width:860px){
  .wa-float{display:none}
  .barra{position:fixed;left:0;right:0;bottom:0;z-index:75;display:flex;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));
    background:var(--paper);box-shadow:0 -1px 0 var(--line);transform:translateY(110%);transition:transform .35s var(--ease)}
  .barra.on{transform:none}
  .barra .btn{flex:1;min-height:50px;padding:0 14px}
  .barra .btn-wa{flex:0 0 58px;padding:0}
  .barra .btn-wa svg{width:24px;height:24px}
}
@media (max-width:360px){ .barra .btn{font-size:10.5px;letter-spacing:.14em} }

.wa-modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:16px}
.wa-modal-backdrop{position:absolute;inset:0;background:rgba(20,21,23,.62)}
.wa-modal-card{position:relative;width:100%;max-width:440px;max-height:calc(100dvh - 32px);overflow:auto;background:var(--paper);padding:38px 30px 30px}
.wa-modal-card h3{font-family:var(--serif);font-weight:400;font-size:30px;line-height:1.15;margin-bottom:10px}
.wa-modal-card>p{color:var(--muted);font-size:15px;margin-bottom:22px}
.wa-modal-card .btn{width:100%}
.wa-modal-close{position:absolute;top:8px;right:10px;width:44px;height:44px;font-size:28px;line-height:1;color:var(--muted)}
.btn-wa-direto{width:100%;padding:12px;font-size:13px;color:var(--muted);text-decoration:underline;text-underline-offset:4px}
.wa-modal-ok{text-align:center}
.wa-modal-ok h4{font-family:var(--serif);font-weight:400;font-size:28px;margin-bottom:8px}
.wa-modal-ok p{color:var(--muted);font-size:15px;margin-bottom:20px}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:130;background:rgba(14,15,16,.96);display:grid;place-items:center;padding:56px 16px}
.lb img{max-width:100%;max-height:calc(100dvh - 130px);object-fit:contain}
.lb-cap{position:absolute;left:0;right:0;bottom:18px;text-align:center;color:var(--night-muted);font-size:13px;padding:0 60px}
.lb button{position:absolute;width:52px;height:52px;color:#fff;font-size:34px;line-height:1}
.lb-close{top:10px;right:10px}
.lb-prev{left:8px;top:50%;transform:translateY(-50%)}
.lb-next{right:8px;top:50%;transform:translateY(-50%)}

/* ---------- rodape ---------- */
footer{background:var(--night);color:var(--night-muted);padding:clamp(64px,8vw,100px) 0 32px;font-size:14px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid var(--night-line)}
.foot .gzi{height:74px;width:auto;color:var(--night-text)}
.foot .slogan{margin-top:22px;font-size:10px;letter-spacing:.36em;text-transform:uppercase;color:var(--night-muted)}
.foot h4{font-size:11px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--night-text);margin-bottom:16px}
.foot a{text-decoration:none}
.foot a:hover{color:var(--night-text)}
.foot p + p{margin-top:8px}
.foot .agil{height:26px;width:auto;margin-top:6px}
.foot-base{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:26px;font-size:12px}
.foot-base a{text-decoration:underline;text-underline-offset:3px}
@media (max-width:860px){
  .foot{grid-template-columns:1fr;gap:36px}
  footer{padding-bottom:110px}
}

/* ---------- entrada ao rolar ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none !important}
}

/* aviso de previa (fora do dominio oficial nada e gravado) */
.previa{position:fixed;left:12px;bottom:12px;z-index:60;background:var(--ink);color:var(--paper);font-size:10px;letter-spacing:.16em;text-transform:uppercase;padding:7px 10px;opacity:.85;pointer-events:none}
@media (max-width:860px){ .previa{bottom:auto;top:86px;font-size:9px} }