/* =====================================================================
   SistemasSA — Design System  ·  Corporate Clean
   Paleta: fundo branco, texto grafite, azul-marinho (links),
   azul vibrante #0ea5e9 (CTAs). Fontes: Plus Jakarta Sans + Inter.
   ===================================================================== */

:root{
  /* Cores */
  --bg:#ffffff;
  --surface:#f8fafc;
  --surface-2:#f1f5f9;
  --border:#e2e8f0;
  --border-strong:#cbd5e1;
  --text:#0f172a;
  --text-soft:#334155;
  --muted:#64748b;
  --link:#1e40af;
  --primary:#0ea5e9;
  --primary-hover:#0284c7;
  --primary-soft:#e0f2fe;
  --navy:#0f172a;
  --success:#16a34a;
  --warning:#d97706;
  --danger:#dc2626;
  --success-soft:#dcfce7;
  --warning-soft:#fef3c7;
  --danger-soft:#fee2e2;

  /* Tipografia */
  --font-display:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,sans-serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;

  /* Forma */
  --radius:14px;
  --radius-lg:20px;
  --radius-sm:9px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 4px 16px rgba(15,23,42,.07);
  --shadow-lg:0 18px 50px rgba(15,23,42,.12);
  --maxw:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-body);color:var(--text);
  background:var(--bg);line-height:1.6;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:var(--font-display);color:var(--navy);line-height:1.15;margin:0;font-weight:700;letter-spacing:-.02em;}
p{margin:0 0 1rem;}
a{color:var(--link);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:84px 0;}
.section--soft{background:var(--surface);}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-family:var(--font-display);font-weight:600;font-size:.95rem;
  padding:13px 24px;border-radius:var(--radius-sm);border:1px solid transparent;
  cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(14,165,233,.35);}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 22px rgba(14,165,233,.4);}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--border-strong);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-navy{background:var(--navy);color:#fff;}
.btn-navy:hover{background:#1e293b;transform:translateY(-2px);}
.btn-block{width:100%;}
.btn-lg{padding:16px 30px;font-size:1.02rem;}
.btn-sm{padding:8px 15px;font-size:.85rem;}

/* ---------- Eyebrow / badges ---------- */
.eyebrow{
  display:inline-block;font-family:var(--font-display);font-weight:700;
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);margin-bottom:14px;
}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.74rem;font-weight:600;
  padding:3px 10px;border-radius:30px;font-family:var(--font-display);}
.badge-primary{background:var(--primary-soft);color:var(--primary-hover);}
.badge-success{background:var(--success-soft);color:var(--success);}
.badge-warning{background:var(--warning-soft);color:var(--warning);}
.badge-danger{background:var(--danger-soft);color:var(--danger);}
.badge-muted{background:var(--surface-2);color:var(--muted);}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);
  font-weight:800;font-size:1.2rem;color:var(--navy);letter-spacing:-.02em;}
.brand:hover{text-decoration:none;}
.brand .logo{width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--link));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:1rem;}
.brand .logo-img{display:block;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.05;}
.brand-name{font-family:var(--font-display);font-weight:800;font-size:1.55rem;color:var(--navy);letter-spacing:-.02em;}
.brand-sa{color:var(--primary);}
.brand-by{font-family:var(--font-body);font-weight:500;font-size:.7rem;
  color:var(--muted);letter-spacing:0;margin-top:2px;white-space:nowrap;}
.footer-by{font-size:.84rem;color:var(--muted);}
@media (max-width:560px){.brand-by{display:none;}}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0;}
.nav-links a{color:var(--text-soft);font-weight:500;font-size:.95rem;}
.nav-links a:hover{color:var(--primary);text-decoration:none;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;color:var(--navy);}

/* ---------- Hero ---------- */
.hero{position:relative;padding:96px 0 80px;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(60% 50% at 80% 0%,rgba(14,165,233,.10),transparent 70%),
    radial-gradient(50% 40% at 0% 20%,rgba(30,64,175,.07),transparent 70%);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{font-size:3.25rem;font-weight:800;margin-bottom:20px;}
.hero h1 .accent{color:var(--primary);}
.hero .lead{font-size:1.18rem;color:var(--muted);max-width:34ch;margin-bottom:30px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px;}
.hero-trust{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:.88rem;}
.hero-trust strong{color:var(--navy);}

/* hero visual: bento mini */
.hero-bento{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.hero-bento .tile{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-sm);}
.hero-bento .tile .ic{width:40px;height:40px;border-radius:10px;background:var(--primary-soft);
  color:var(--primary-hover);display:grid;place-items:center;margin-bottom:12px;}
.hero-bento .tile h4{font-size:1rem;margin-bottom:4px;}
.hero-bento .tile p{font-size:.85rem;color:var(--muted);margin:0;}
.hero-bento .tile.tall{grid-row:span 2;background:linear-gradient(160deg,var(--navy),#1e293b);color:#fff;}
.hero-bento .tile.tall h4,.hero-bento .tile.tall .big{color:#fff;}
.hero-bento .tile.tall p{color:#cbd5e1;}
.hero-bento .tile.tall .big{font-size:2.4rem;font-weight:800;font-family:var(--font-display);line-height:1;margin-bottom:6px;}

/* ---------- Section heading ---------- */
.sec-head{max-width:640px;margin-bottom:46px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{font-size:2.3rem;font-weight:800;margin-bottom:14px;}
.sec-head p{font-size:1.08rem;color:var(--muted);margin:0;}

/* ---------- Bento / cards de serviço ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.bento .cell{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.bento .cell:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary);}
.bento .cell .ic{width:46px;height:46px;border-radius:12px;background:var(--primary-soft);
  color:var(--primary-hover);display:grid;place-items:center;margin-bottom:16px;}
.bento .cell h3{font-size:1.18rem;margin-bottom:8px;}
.bento .cell p{color:var(--muted);font-size:.94rem;margin:0;}
.bento .cell.wide{grid-column:span 2;}
.bento .cell.feature{background:linear-gradient(160deg,var(--navy),#1e293b);color:#fff;border:0;}
.bento .cell.feature h3,.bento .cell.feature p{color:#fff;}
.bento .cell.feature p{color:#cbd5e1;}
.bento .cell.feature .ic{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- Produtos (vitrine/loja) ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.prod-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;}
.prod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.prod-thumb{aspect-ratio:16/10;background:linear-gradient(135deg,var(--surface-2),var(--surface));
  display:grid;place-items:center;color:var(--border-strong);position:relative;}
.prod-thumb .cat{position:absolute;top:12px;left:12px;}
.prod-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.prod-body h3{font-size:1.1rem;margin-bottom:6px;}
.prod-body p{color:var(--muted);font-size:.88rem;margin-bottom:14px;flex:1;}
.prod-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;}
.prod-price{font-family:var(--font-display);font-weight:800;font-size:1.3rem;color:var(--navy);}
.prod-price small{font-weight:500;font-size:.78rem;color:var(--muted);}

/* filtros da loja */
.shop-toolbar{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:30px;}
.chips{display:flex;gap:8px;flex-wrap:wrap;}
.chip{border:1px solid var(--border-strong);background:#fff;color:var(--text-soft);
  padding:8px 16px;border-radius:30px;font-size:.86rem;font-weight:500;cursor:pointer;
  font-family:var(--font-display);transition:all .15s ease;}
.chip:hover{border-color:var(--primary);color:var(--primary);text-decoration:none;}
.chip.active{background:var(--navy);color:#fff;border-color:var(--navy);}
.search{flex:1;min-width:220px;display:flex;align-items:center;gap:8px;background:#fff;
  border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:10px 14px;}
.search input{border:0;outline:0;width:100%;font-family:var(--font-body);font-size:.95rem;background:transparent;color:var(--text);}

/* ---------- Pricing ---------- */
.pricing-toggle{display:inline-flex;background:var(--surface-2);border-radius:30px;padding:5px;
  margin:0 auto 38px;gap:4px;}
.pricing-toggle button{border:0;background:transparent;padding:9px 22px;border-radius:30px;
  font-family:var(--font-display);font-weight:600;font-size:.9rem;color:var(--muted);cursor:pointer;}
.pricing-toggle button.active{background:#fff;color:var(--navy);box-shadow:var(--shadow-sm);}
.pricing-toggle .save{font-size:.7rem;color:var(--success);font-weight:700;margin-left:6px;}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.plan{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;
  display:flex;flex-direction:column;position:relative;}
.plan.popular{border-color:var(--primary);box-shadow:0 20px 50px rgba(14,165,233,.18);}
.plan .ribbon{position:absolute;top:-13px;left:50%;transform:translateX(-50%);}
.plan h3{font-size:1.15rem;margin-bottom:6px;}
.plan .desc{color:var(--muted);font-size:.88rem;min-height:42px;}
.plan .price{font-family:var(--font-display);font-weight:800;font-size:2.6rem;color:var(--navy);margin:12px 0 2px;}
.plan .price small{font-size:.95rem;font-weight:500;color:var(--muted);}
.plan .period{color:var(--muted);font-size:.84rem;margin-bottom:22px;}
.plan ul{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-direction:column;gap:11px;flex:1;}
.plan li{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:var(--text-soft);}
.plan li svg{color:var(--success);flex:none;margin-top:3px;}

/* ---------- Depoimentos / prova social ---------- */
.logos{display:flex;flex-wrap:wrap;gap:38px;align-items:center;justify-content:center;
  opacity:.7;margin-top:8px;}
.logos span{font-family:var(--font-display);font-weight:800;font-size:1.25rem;color:var(--muted);letter-spacing:-.02em;}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;}
.quote .stars{color:#f59e0b;margin-bottom:12px;letter-spacing:2px;}
.quote p{font-size:.96rem;color:var(--text-soft);}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:18px;}
.quote .av{width:42px;height:42px;border-radius:50%;background:var(--primary-soft);
  color:var(--primary-hover);display:grid;place-items:center;font-weight:700;font-family:var(--font-display);}
.quote .who strong{display:block;font-size:.9rem;color:var(--navy);font-family:var(--font-display);}
.quote .who span{font-size:.8rem;color:var(--muted);}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--navy),#1e293b);border-radius:var(--radius-lg);
  padding:56px;text-align:center;color:#fff;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(50% 80% at 50% 0%,rgba(14,165,233,.25),transparent 70%);}
.cta-band h2{color:#fff;font-size:2rem;margin-bottom:12px;position:relative;}
.cta-band p{color:#cbd5e1;max-width:52ch;margin:0 auto 26px;position:relative;}
.cta-band .btn{position:relative;}

/* ---------- Footer ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:60px 0 30px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px;}
.footer-grid h5{font-family:var(--font-display);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);margin-bottom:14px;}
.footer-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.footer-grid a{color:var(--text-soft);font-size:.92rem;}
.footer-grid a:hover{color:var(--primary);text-decoration:none;}
.footer-about p{color:var(--muted);font-size:.92rem;max-width:34ch;margin-top:14px;}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;
  justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:.86rem;}

/* ---------- WhatsApp flutuante ---------- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;display:flex;align-items:center;gap:0;
  background:#25d366;color:#fff;border-radius:30px;padding:14px;box-shadow:0 10px 30px rgba(37,211,102,.45);
  font-family:var(--font-display);font-weight:600;overflow:hidden;transition:gap .2s ease,padding .2s ease;}
.wa-float:hover{gap:8px;padding:14px 20px 14px 14px;text-decoration:none;color:#fff;}
.wa-float span{max-width:0;white-space:nowrap;overflow:hidden;transition:max-width .25s ease;}
.wa-float:hover span{max-width:160px;}

/* ---------- Forms ---------- */
.field{margin-bottom:18px;}
.field label{display:block;font-family:var(--font-display);font-weight:600;font-size:.88rem;
  color:var(--text-soft);margin-bottom:7px;}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);font-family:var(--font-body);font-size:.95rem;color:var(--text);background:#fff;
  transition:border-color .15s ease,box-shadow .15s ease;}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(14,165,233,.15);}
.field textarea{resize:vertical;min-height:120px;}
.alert{padding:13px 16px;border-radius:var(--radius-sm);font-size:.92rem;margin-bottom:18px;}
.alert-success{background:var(--success-soft);color:#166534;}
.alert-danger{background:var(--danger-soft);color:#991b1b;}

/* ---------- Page header (interno) ---------- */
.page-head{background:var(--surface);border-bottom:1px solid var(--border);padding:54px 0;}
.page-head h1{font-size:2.4rem;font-weight:800;margin-bottom:10px;}
.page-head p{color:var(--muted);font-size:1.05rem;margin:0;max-width:60ch;}
.breadcrumb{font-size:.84rem;color:var(--muted);margin-bottom:14px;}
.breadcrumb a{color:var(--muted);}

/* ---------- Wizard de orçamento ---------- */
.wizard{max-width:720px;margin:0 auto;}
.steps{display:flex;justify-content:space-between;margin-bottom:34px;position:relative;}
.steps::before{content:"";position:absolute;top:18px;left:8%;right:8%;height:2px;background:var(--border);z-index:0;}
.steps .step{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:8px;flex:1;}
.steps .dot{width:38px;height:38px;border-radius:50%;background:#fff;border:2px solid var(--border);
  display:grid;place-items:center;font-family:var(--font-display);font-weight:700;color:var(--muted);transition:all .2s ease;}
.steps .step.active .dot,.steps .step.done .dot{background:var(--primary);border-color:var(--primary);color:#fff;}
.steps .step small{font-size:.78rem;color:var(--muted);font-weight:600;}
.steps .step.active small{color:var(--navy);}
.wizard-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow);}
.wizard-pane{display:none;}
.wizard-pane.active{display:block;animation:fade .25s ease;}
.wizard-nav{display:flex;justify-content:space-between;margin-top:26px;}
.option-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.option{border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:16px;cursor:pointer;
  font-size:.92rem;transition:all .15s ease;display:flex;align-items:center;gap:10px;}
.option:hover{border-color:var(--primary);}
.option input{accent-color:var(--primary);}
.option.selected{border-color:var(--primary);background:var(--primary-soft);}

@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

/* reveal on scroll — só esconde quando há JS (fallback acessível/SEO) */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.js .reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none;}
}

/* ---------- Responsivo ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:2.6rem;}
  .bento,.prod-grid,.plans,.quotes{grid-template-columns:repeat(2,1fr);}
  .bento .cell.wide{grid-column:span 2;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:680px){
  .nav-links{position:fixed;inset:70px 0 auto 0;background:#fff;flex-direction:column;
    padding:20px 24px;gap:6px;border-bottom:1px solid var(--border);box-shadow:var(--shadow);
    transform:translateY(-130%);transition:transform .25s ease;}
  .nav-links.open{transform:none;}
  .nav-links li{width:100%;}
  .nav-links a{display:block;padding:10px 0;}
  .nav-toggle{display:block;}
  .hero h1{font-size:2.1rem;}
  .section{padding:60px 0;}
  .bento,.prod-grid,.plans,.quotes{grid-template-columns:1fr;}
  .bento .cell.wide{grid-column:span 1;}
  .hero-bento{grid-template-columns:1fr 1fr;}
  .cta-band{padding:38px 24px;}
  .sec-head h2{font-size:1.8rem;}
  .footer-grid{grid-template-columns:1fr;}
  .wa-float span{display:none;}
}