/* Zafalão Tech — site institucional
   Direção: claro, limpo, azul-marinho e turquesa tirados da marca.
   O elemento de assinatura é o diagrama de nós (rede) do logo, repetido no fluxo da Lia e no fundo do CTA final.
   Tipografia: Sora (títulos, geométrica larga como o logotipo) + Figtree (texto). */
:root{
  --navy:#0A1F3A; --brand:#0E3560; --teal:#5CC6D6; --aqua:#78E0DC; --sky:#66B2EC;
  --bg:#ffffff; --soft:#F3F8FB; --line:#D9E5EE; --ink:#0A1F3A; --muted:#47596E;
  --grad:linear-gradient(135deg,var(--aqua),var(--sky));
  --display:"Sora","Segoe UI",system-ui,sans-serif;
  --body:"Figtree","Segoe UI",system-ui,sans-serif;
  --r:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display);line-height:1.12;letter-spacing:-.02em;margin:0;text-wrap:balance}
p{margin:0}
.wrap{max-width:1160px;margin:0 auto;padding-inline:max(20px,env(safe-area-inset-left,0px))}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:10px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:6px}

/* Header */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s}
.top.scrolled{border-color:var(--line)}
.bar{display:flex;align-items:center;gap:28px;min-height:72px}
.brand img{width:60px;height:auto}
nav#nav{display:flex;gap:26px;margin-left:auto;font-weight:500;font-size:16px}
nav#nav a{text-decoration:none;color:var(--muted);padding:6px 0;border-bottom:2px solid transparent}
nav#nav a:hover{color:var(--ink);border-color:var(--teal)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 26px;border-radius:999px;background:var(--navy);color:#fff;font:600 17px/1 var(--display);text-decoration:none;border:2px solid var(--navy);transition:transform .18s,box-shadow .18s,background .18s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(10,31,58,.22)}
.btn-sm{min-height:42px;padding:0 20px;font-size:15px}
.btn-ghost{background:transparent;color:var(--navy)}
.btn-ghost:hover{background:var(--soft);box-shadow:none}
.btn-light{background:var(--grad);border-color:transparent;color:var(--navy);min-height:58px;padding:0 34px;font-size:18px}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);min-height:58px;padding:0 28px;font-size:18px}
.btn-outline:hover{background:rgba(255,255,255,.1);box-shadow:none}

/* Hero */
.hero{padding-block:clamp(36px,6vw,84px) clamp(48px,7vw,96px);background:
  radial-gradient(900px 500px at 88% 8%,rgba(120,224,220,.22),transparent 60%),
  radial-gradient(700px 420px at 100% 60%,rgba(102,178,236,.16),transparent 65%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:40px;align-items:center}
.kicker{font-size:15px;font-weight:600;color:var(--brand);margin-bottom:20px}
.hero h1{font-size:clamp(36px,5.6vw,68px);font-weight:700;max-width:15ch}
.lede{margin-top:24px;font-size:clamp(18px,1.6vw,21px);color:var(--muted);max-width:56ch}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.proof{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:48px 0 0;padding-top:28px;border-top:1px solid var(--line)}
.proof dt{font:700 clamp(18px,1.8vw,23px)/1.15 var(--display);color:var(--brand);letter-spacing:-.02em}
.proof dd{margin:6px 0 0;font-size:15px;line-height:1.4;color:var(--muted)}
.hero-art{position:relative;display:grid;place-items:center}
.hero-art img{position:relative;width:min(100%,400px);animation:float 9s ease-in-out infinite}
.glow{position:absolute;inset:8% 0;background:var(--grad);filter:blur(70px);opacity:.28;border-radius:50%}
@keyframes float{50%{transform:translateY(-10px)}}

/* Entrada orquestrada do hero (única animação de carga) */
.rise{opacity:0;transform:translateY(16px);animation:rise .7s cubic-bezier(.2,.7,.2,1) var(--d,0ms) forwards}
@keyframes rise{to{opacity:1;transform:none}}

/* Seções */
.section{padding-block:clamp(56px,8vw,112px)}
.section-soft{background:var(--soft)}
h2{font-size:clamp(28px,3.8vw,46px);font-weight:700;max-width:22ch}
.section-lede{margin-top:16px;max-width:62ch;color:var(--muted)}

/* Serviços — layout assimétrico */
.services{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:20px;margin-top:44px}
.svc{padding:30px;border:1px solid var(--line);border-radius:var(--r);background:#fff;display:flex;flex-direction:column;gap:14px}
.svc h3{font-size:22px}
.svc p{color:var(--muted);font-size:17px}
.svc-main{background:var(--navy);border-color:var(--navy);color:#fff}
.svc-main p{color:#C8D6E5}
.svc-main .tags{color:var(--aqua)}
.tags{font-size:14.5px;font-weight:500;color:var(--brand);margin-top:auto!important}

/* Casos */
.case-feature{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:48px;align-items:center;margin-top:48px;padding:clamp(24px,4vw,48px);background:#fff;border:1px solid var(--line);border-radius:20px}
.case h3{font-size:clamp(22px,2.4vw,30px)}
.case-text{display:grid;gap:16px}
.case-text p{color:var(--muted)}
.facts{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.facts li{position:relative;padding-left:24px;font-size:17px}
.facts li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;border-radius:50%;background:var(--grad)}
.case-text .tags{margin-top:0!important}
.link{font-weight:600;color:var(--brand);text-decoration:none;border-bottom:2px solid var(--teal)}
.link::after{content:" \2197"}
.link:hover{color:var(--navy)}
.status{display:inline-block;justify-self:start;width:fit-content;font:600 13.5px/1 var(--body);padding:7px 12px;border-radius:999px}
.status.live{background:#DDF6F1;color:#0B5A4B}
.status.own{background:#E3EEFB;color:#14437A}
.flow{margin:0}
.flow svg{width:100%;max-width:420px;height:auto;margin-inline:auto;display:block;overflow:visible}
.flow figcaption{margin-top:14px;font-size:15px;color:var(--muted);text-align:center}
.flow .lines path{stroke:var(--teal);stroke-width:2.5;stroke-dasharray:6 8;animation:dash 1.6s linear infinite}
@keyframes dash{to{stroke-dashoffset:-28}}
.flow .node circle{fill:#fff;stroke:var(--sky);stroke-width:3}
.flow .node.big circle{fill:var(--navy);stroke:var(--aqua);stroke-width:4}
.flow .node.end circle{fill:var(--grad);fill:var(--teal);stroke:var(--brand)}
.flow text{font:600 15px var(--body);fill:var(--ink)}
.flow text.in{fill:#fff;font-size:14px}
.flow text.sub{font-weight:500;font-size:13px;fill:var(--muted)}

.case-list{margin-top:28px;display:grid;gap:0;border-top:1px solid var(--line)}
.case-row{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:40px;padding-block:36px;border-bottom:1px solid var(--line)}
.case-head{display:grid;gap:14px;align-content:start}
.case-body{display:grid;gap:14px}
.case-body p{color:var(--muted)}
.case-body .tags{margin-top:0!important}
.note{font-size:15px;font-style:italic}
.labs{margin-top:36px;padding:26px 28px;border:1px dashed #B9CCDB;border-radius:var(--r);background:rgba(255,255,255,.6)}
.labs h3{font-size:18px;margin-bottom:12px}
.labs ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.labs li{color:var(--muted);font-size:16.5px}
.labs strong{color:var(--ink);margin-right:6px}

/* Processo */
.process-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:64px;align-items:start}
.process-grid > div{position:sticky;top:110px}
.steps{list-style:none;margin:0;padding:0;counter-reset:s;display:grid;gap:0}
.steps li{counter-increment:s;position:relative;padding:0 0 38px 64px;border-left:2px solid var(--line);margin-left:20px}
.steps li:last-child{border-color:transparent;padding-bottom:0}
.steps li::before{content:counter(s);position:absolute;left:-21px;top:-4px;width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;font:600 17px/40px var(--display);text-align:center}
.steps h3{font-size:21px;margin-bottom:8px}
.steps p{color:var(--muted)}

/* Stack */
.stack h2{max-width:none}
.chips{list-style:none;margin:30px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.chips li{padding:10px 18px;background:#fff;border:1px solid var(--line);border-radius:999px;font-weight:500;font-size:16px}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:56px}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;font:600 19px/1.35 var(--display);position:relative;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:11px;height:11px;margin-top:-8px;border-right:2.5px solid var(--brand);border-bottom:2.5px solid var(--brand);transform:rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.faq details p{padding:0 44px 24px 0;color:var(--muted);max-width:62ch}

/* CTA final */
.final{background:var(--navy);color:#fff;position:relative;overflow:hidden;padding-block:clamp(64px,9vw,120px)}
.final::before{content:"";position:absolute;inset:-30% -10% auto auto;width:640px;height:640px;background:radial-gradient(circle,rgba(102,178,236,.35),transparent 65%)}
.final-inner{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);gap:48px;align-items:center}
.final-mark{width:clamp(90px,12vw,150px);height:auto;opacity:.95}
.final h2{max-width:20ch;font-size:clamp(30px,4.4vw,54px)}
.final p{margin-top:18px;max-width:58ch;color:#C8D6E5}
.final .actions{margin-top:30px}
.final .mail{margin-top:22px;font-size:16px}
.final .mail a{color:var(--aqua);font-weight:600}

/* Footer */
footer{background:#06142A;color:#AFC0D2;padding-block:48px;font-size:15px}
.foot{display:grid;grid-template-columns:1.1fr 1fr;gap:28px 48px}
.foot-brand img{width:84px;height:auto;margin-bottom:12px}
footer nav{display:flex;flex-wrap:wrap;gap:8px 24px;align-content:start;justify-content:flex-end}
footer nav a{text-decoration:none;color:#D7E3EF}
footer nav a:hover{color:var(--aqua)}
.legal{grid-column:1/-1;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);font-size:14px;line-height:1.7}

/* Responsivo */
@media (max-width:980px){
  nav#nav{display:none}
  .bar{justify-content:space-between}
  .hero-grid{grid-template-columns:1fr}
  .hero-art{order:-1;max-width:120px;justify-self:start}
  .hero-art img{width:100%}
  .services{grid-template-columns:1fr}
  .case-feature,.case-row,.process-grid,.faq-grid{grid-template-columns:1fr;gap:28px}
  .process-grid > div{position:static}
  .final-inner{grid-template-columns:1fr;gap:24px}
  .foot{grid-template-columns:1fr}
  footer nav{justify-content:flex-start}
}
@media (max-width:560px){
  body{font-size:17px}
  .proof{grid-template-columns:1fr;gap:18px}
  .btn{width:100%}
  .actions{flex-direction:column}
  .btn-sm{width:auto}
  .case-feature{padding:20px}
  .steps li{padding-left:52px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .rise{opacity:1;transform:none}
}