/* =====================================================================
   GBLOCOS — design system industrial-editorial
   Concreto & Âmbar · Archivo + IBM Plex Sans
   ===================================================================== */

:root{
  --amber:#E8871E;
  --amber-dark:#CF7413;
  --amber-soft:#FBEAD3;
  --ink:#2E3338;
  --ink-2:#3A4045;
  --gray:#6B7178;
  --line:#D9DCE0;
  --line-2:#E7E9EC;
  --bg:#F7F8F9;
  --surface:#FFFFFF;
  --white:#FFFFFF;

  --ff-display:'Archivo', system-ui, sans-serif;
  --ff-body:'IBM Plex Sans', system-ui, sans-serif;

  --wrap:1200px;
  --radius:3px;
  --shadow:0 18px 40px -22px rgba(19,23,26,.45);
  --shadow-sm:0 6px 18px -12px rgba(19,23,26,.5);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:17px;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--ff-display);line-height:1.05;margin:0;letter-spacing:-.02em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:200}
.skip-link:focus{left:12px;top:12px}

/* ---------- botões ------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--ff-display);font-weight:700;font-size:.95rem;
  letter-spacing:.01em;text-transform:uppercase;
  padding:14px 26px;border:2px solid transparent;border-radius:var(--radius);
  cursor:pointer;transition:transform .18s var(--ease),background .18s,color .18s,box-shadow .18s;
  position:relative;
}
.btn:active{transform:translateY(1px)}
.btn-amber{background:var(--amber);color:#241300;box-shadow:0 0 0 0 rgba(232,135,30,.5)}
.btn-amber:hover{background:var(--amber-dark);color:#fff;box-shadow:0 12px 22px -12px rgba(232,135,30,.9)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--amber);color:#241300}
.btn-lg{padding:17px 32px;font-size:1.02rem}

/* ---------- header / nav ------------------------------------------ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:inline-flex;align-items:center}
.logo{display:inline-flex;align-items:center;gap:11px}
.logo-mark{flex:none;filter:drop-shadow(0 4px 8px rgba(0,0,0,.12))}
.logo-type{font-family:var(--ff-display);font-weight:800;font-size:1.4rem;letter-spacing:-.03em;color:var(--ink)}
.logo-type b{color:var(--amber);font-weight:900}

.site-nav{display:flex;align-items:center;gap:8px}
.site-nav ul{display:flex;align-items:center;gap:4px}
.site-nav a{
  font-family:var(--ff-display);font-weight:600;font-size:.93rem;
  padding:9px 13px;border-radius:var(--radius);color:var(--ink-2);
  transition:color .15s,background .15s;position:relative;
}
.site-nav ul a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.site-nav ul a:hover{color:var(--ink)}
.site-nav ul a:hover::after,.site-nav ul a[aria-current="page"]::after{transform:scaleX(1)}
.site-nav ul a[aria-current="page"]{color:var(--ink)}
.nav-cta{margin-left:10px}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{width:26px;height:2.5px;background:var(--ink);transition:.25s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- eyebrow / títulos de seção ---------------------------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--ff-display);font-weight:700;text-transform:uppercase;
  letter-spacing:.16em;font-size:.78rem;color:var(--amber-dark);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--amber)}
.eyebrow .num{color:var(--gray)}

.section{padding:96px 0;position:relative}
.section-title{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:800;max-width:16ch}
.section-lead{font-size:1.12rem;color:var(--gray);max-width:56ch;margin-top:18px}

/* seção escura (concreto) */
.section-dark{background:var(--ink);color:#E9EBEC}
.section-dark .section-title,.section-dark h3{color:#fff}
.section-dark .section-lead{color:#AEB4B9}
.section-dark .eyebrow{color:var(--amber)}
.section-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;
}
.section-dark .wrap{position:relative}

/* ---------- HERO --------------------------------------------------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(120% 130% at 85% 0%,#3d444b 0%,#2E3338 45%,#23272b 100%);
}
.hero::after{ /* padrão de blocos empilhados */
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 40%,#000);
          mask-image:linear-gradient(180deg,transparent,#000 40%,#000);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:104px 0 96px}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(232,135,30,.14);border:1px solid rgba(232,135,30,.4);
  color:#F4B067;font-family:var(--ff-display);font-weight:600;font-size:.8rem;
  letter-spacing:.08em;text-transform:uppercase;padding:7px 14px;border-radius:999px;margin-bottom:26px;
}
.hero-badge b{width:7px;height:7px;background:var(--amber);border-radius:50%;box-shadow:0 0 0 4px rgba(232,135,30,.25)}
.hero h1{font-size:clamp(2.5rem,5.6vw,4.35rem);font-weight:900;letter-spacing:-.035em;line-height:.98}
.hero h1 .hl{color:var(--amber);position:relative;white-space:nowrap}
.hero-lead{font-size:1.2rem;color:#C4C9CD;max-width:46ch;margin:24px 0 34px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-metrics{display:flex;gap:30px;margin-top:44px;flex-wrap:wrap}
.hero-metric b{display:block;font-family:var(--ff-display);font-weight:800;font-size:1.9rem;color:#fff;letter-spacing:-.02em}
.hero-metric span{font-size:.86rem;color:#9BA1A6;text-transform:uppercase;letter-spacing:.06em}

/* diagrama do bloco no hero */
.hero-visual{position:relative}
.block-figure{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.block-figure figcaption{margin-top:16px;font-size:.82rem;color:#9BA1A6;text-align:center;letter-spacing:.04em}

/* ---------- blocos de conteúdo genéricos -------------------------- */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s;
  position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;left:0;top:0;width:4px;height:0;background:var(--amber);transition:height .28s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card:hover::before{height:100%}
.card .idx{font-family:var(--ff-display);font-weight:800;font-size:.95rem;color:var(--amber-dark);letter-spacing:.05em}
.card h3{font-size:1.28rem;font-weight:700;margin:14px 0 10px}
.card p{color:var(--gray);margin:0;font-size:.99rem}
.card-icon{width:52px;height:52px;display:grid;place-items:center;background:var(--amber-soft);border-radius:var(--radius);color:var(--amber-dark);margin-bottom:20px}
.card-icon svg{width:26px;height:26px}

/* faixa de destaque / CTA */
.cta-band{background:var(--amber);color:#241300;border-radius:var(--radius);padding:48px 44px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;box-shadow:var(--shadow)}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;max-width:20ch}
.cta-band p{margin:8px 0 0;color:#4a2f08;max-width:44ch}

/* ---------- tabela de produtos ------------------------------------ */
.spec-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:1rem}
.spec-table th,.spec-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line-2)}
.spec-table td{color:var(--ink)}
.spec-table thead th{background:var(--ink);color:#fff;font-family:var(--ff-display);font-weight:600;font-size:.9rem;letter-spacing:.03em;text-transform:uppercase}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table tbody tr:hover{background:#FCFAF6}
.spec-table .hl{color:var(--amber-dark);font-weight:600}
.tag{display:inline-block;background:var(--amber-soft);color:var(--amber-dark);font-family:var(--ff-display);font-weight:600;font-size:.82rem;padding:4px 11px;border-radius:999px}

/* lista de checagens */
.checks{display:grid;gap:14px}
.checks li{display:flex;gap:13px;align-items:flex-start;font-size:1.03rem}
.checks .ck{flex:none;width:24px;height:24px;background:var(--amber);border-radius:50%;display:grid;place-items:center;margin-top:2px}
.checks .ck svg{width:13px;height:13px;color:#fff}
.section-dark .checks li{color:#D5D9DC}

/* split media + texto */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media{background:var(--ink);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}

/* ---------- formulário -------------------------------------------- */
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:38px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--ff-display);font-weight:600;font-size:.9rem;margin-bottom:7px;color:var(--ink)}
.field input,.field textarea,.field select{
  width:100%;padding:14px 15px;border:1.5px solid var(--line);border-radius:var(--radius);
  font-family:var(--ff-body);font-size:1rem;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(232,135,30,.18)}
.field textarea{min-height:120px;resize:vertical}
.hp{position:absolute;left:-9999px;opacity:0}
.form-note{font-size:.85rem;color:var(--gray);margin-top:8px}
.alert{padding:15px 18px;border-radius:var(--radius);margin-bottom:22px;font-size:.98rem;border:1px solid}
.alert-ok{background:#EAF7EE;border-color:#B7E0C3;color:#1E6B39}
.alert-err{background:#FBECEC;border-color:#F0C4C4;color:#9A2B2B}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info li{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line-2)}
.contact-info .ci-ic{flex:none;width:44px;height:44px;background:var(--amber-soft);color:var(--amber-dark);border-radius:var(--radius);display:grid;place-items:center}
.contact-info b{font-family:var(--ff-display);display:block;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--gray)}
.contact-info a,.contact-info span{color:var(--ink);font-size:1.05rem}

/* ---------- footer ------------------------------------------------ */
.site-footer{background:#23272B;color:#AEB4B9;padding:64px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.site-footer .logo-type{color:#fff}
.footer-brand p{margin:16px 0 0;font-size:.96rem;max-width:38ch}
.footer-local{color:#868C91 !important;font-size:.88rem !important}
.footer-col h3{font-family:var(--ff-display);color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px}
.footer-col a,.footer-contato li{color:#AEB4B9;font-size:.96rem;line-height:2}
.footer-col a:hover{color:var(--amber)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);font-size:.85rem;color:#7C8286}

/* ---------- WhatsApp flutuante ------------------------------------ */
.whatsapp-float{
  position:fixed;right:22px;bottom:22px;z-index:120;
  width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;
  display:grid;place-items:center;box-shadow:0 12px 28px -8px rgba(37,211,102,.7);
  transition:transform .2s var(--ease);
}
.whatsapp-float::after{content:"";position:absolute;inset:0;border-radius:50%;box-shadow:0 0 0 0 rgba(37,211,102,.55);animation:pulse 2.4s infinite}
.whatsapp-float:hover{transform:scale(1.08)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---------- reveal on scroll (só ativa se houver JS) -------------- */
.reveal{transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal{opacity:0;transform:translateY(24px)}
.js .reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .whatsapp-float::after{animation:none}
}

.mt-0{margin-top:0}.center{text-align:center}.mx-auto{margin-left:auto;margin-right:auto}
.stack-lg{display:grid;gap:64px}

/* ---------- responsivo -------------------------------------------- */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:72px 0 64px}
  .hero-visual{max-width:440px}
  .split,.contact-grid{grid-template-columns:1fr;gap:34px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:820px){
  .nav-toggle{display:flex}
  .site-nav{
    position:fixed;inset:74px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);padding:12px 24px 22px;
    transform:translateY(-140%);transition:transform .32s var(--ease);box-shadow:var(--shadow);
  }
  .site-nav.open{transform:translateY(0)}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .site-nav ul a{padding:14px 6px;border-bottom:1px solid var(--line-2)}
  .site-nav ul a::after{display:none}
  .nav-cta{margin:14px 0 0;justify-content:center}
}
@media (max-width:620px){
  body{font-size:16px}
  .section{padding:66px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .cta-band{padding:34px 26px}
  .form-card{padding:26px}
  .footer-grid{grid-template-columns:1fr}
  .hero-metrics{gap:22px}
}