:root{
  --azul:#0059B3;
  --azul-esc:#00417f;
  --navy:#0B2540;
  --texto:#1A2B3C;
  --texto-2:#4A5C6E;
  --cinza:#F4F7FA;
  --borda:#E3E9F0;
  --branco:#fff;
  --raio:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--texto);
  background:var(--branco);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;width:auto}
a{color:var(--azul);text-decoration:none}
h1,h2,h3{line-height:1.15;letter-spacing:-.022em;margin:0 0 .5em;color:var(--navy);font-weight:700}
h1{font-size:clamp(2rem,5vw,3.5rem);letter-spacing:-.03em}
h2{font-size:clamp(1.55rem,3.2vw,2.3rem)}
h3{font-size:1.15rem;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.13em;
  text-transform:uppercase;color:var(--azul);margin-bottom:.85rem;
}
section{padding:88px 0}
.center{text-align:center;max-width:720px;margin:0 auto}

.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--borda);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:74px;max-width:1120px;margin:0 auto;padding:0 24px;
}
.brand img{height:36px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a{color:var(--texto);font-size:.95rem;font-weight:500}
.nav a:hover{color:var(--azul)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:10px;font-weight:600;font-size:.95rem;
  border:1.5px solid transparent;transition:.18s ease;cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--azul);color:#fff}
.btn-primary:hover{background:var(--azul-esc);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--borda)}
.btn-outline:hover{border-color:var(--azul);color:var(--azul)}
.nav .btn{padding:11px 20px}

.hero{
  position:relative;color:#fff;padding:0;
  background:var(--navy);
  background-image:
    linear-gradient(100deg,rgba(11,37,64,.97) 0%,rgba(11,37,64,.88) 42%,rgba(11,37,64,.55) 72%,rgba(11,37,64,.35) 100%),
    url("/assets/hero-assertiva-tech.jpg");
  background-size:cover;
  background-position:center right;
  background-repeat:no-repeat;
}
.hero-inner{padding:clamp(80px,12vw,140px) 24px clamp(72px,10vw,120px);max-width:1120px;margin:0 auto}
.hero h1{color:#fff;max-width:19ch}
.hero .lead{
  font-size:clamp(1.05rem,1.9vw,1.28rem);color:rgba(255,255,255,.88);
  max-width:56ch;margin:0 0 2rem;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:2.6rem}
.hero-tags{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  font-size:.9rem;color:rgba(255,255,255,.7);
  border-top:1px solid rgba(255,255,255,.16);padding-top:1.6rem;
}
.hero-tags span{display:inline-flex;align-items:center;gap:8px}
.hero-tags span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--azul);flex:none}

.problems{background:var(--cinza)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.card{
  background:#fff;border:1px solid var(--borda);border-radius:var(--raio);
  padding:26px 24px;
}
.card h3{margin-bottom:.45em}
.card p{margin:0;color:var(--texto-2);font-size:.95rem;line-height:1.6}
.card .mark{
  display:block;width:34px;height:3px;background:var(--azul);
  border-radius:2px;margin-bottom:18px;
}

.svc{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;margin-top:48px}
.svc-item{padding:30px 0;border-top:1px solid var(--borda)}
.svc-item h3{display:flex;align-items:baseline;gap:14px}
.svc-item .num{
  font-size:.82rem;font-weight:700;color:var(--azul);letter-spacing:.08em;flex:none;
  font-variant-numeric:tabular-nums;
}
.svc-item p{color:var(--texto-2);margin:0;font-size:.97rem}

.niche{
  background:var(--navy);color:#fff;
  background-image:linear-gradient(90deg,rgba(11,37,64,.94) 0%,rgba(11,37,64,.72) 55%,rgba(11,37,64,.35) 100%),url("/assets/restaurante-salao.jpg");
  background-size:cover;background-position:center;
}
.niche h2{color:#fff;max-width:20ch}
.niche p{color:rgba(255,255,255,.85);max-width:58ch}
.niche .link-arrow{
  display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:600;
  border-bottom:2px solid var(--azul);padding-bottom:3px;margin-top:.6rem;
}
.niche .link-arrow:hover{gap:14px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:48px}
.step{position:relative;padding-top:26px;border-top:3px solid var(--azul)}
.step .n{
  font-size:.8rem;font-weight:700;color:var(--azul);letter-spacing:.12em;
  text-transform:uppercase;display:block;margin-bottom:.6rem;
}
.step p{color:var(--texto-2);font-size:.95rem;margin:0}

.about{background:var(--cinza)}
.about-inner{display:grid;grid-template-columns:1fr 1.5fr;gap:64px;align-items:start}
.about h2{margin-bottom:1rem}
.about .who{font-size:.8rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--azul);margin-bottom:.7rem}
.about p{color:var(--texto-2)}
.note{
  border-left:3px solid var(--azul);padding:4px 0 4px 20px;
  color:var(--texto-2);font-size:.95rem;margin-top:22px;
}

.faq{max-width:840px;margin:44px auto 0}
details{border-bottom:1px solid var(--borda);padding:20px 0}
details summary{
  cursor:pointer;font-weight:600;color:var(--navy);font-size:1.03rem;
  list-style:none;display:flex;justify-content:space-between;align-items:flex-start;gap:20px;
}
details summary::-webkit-details-marker{display:none}
details summary::after{
  content:"+";color:var(--azul);font-weight:400;font-size:1.4rem;line-height:1;flex:none;
}
details[open] summary::after{content:"\2212"}
details p{margin:.9rem 0 0;color:var(--texto-2);font-size:.96rem}

.cta-final{background:var(--navy);color:#fff;text-align:center}
.cta-final h2{color:#fff;max-width:24ch;margin:0 auto .5em}
.cta-final p{color:rgba(255,255,255,.8);max-width:52ch;margin:0 auto 2rem}
.cta-final .btn-outline{color:#fff;border-color:rgba(255,255,255,.4)}
.cta-final .btn-outline:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff}

.site-footer{background:#081B2E;color:rgba(255,255,255,.62);padding:64px 0 36px;font-size:.92rem}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.site-footer img{height:34px;width:auto;margin-bottom:18px}
.site-footer h4{
  color:#fff;font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;
  margin:0 0 16px;font-weight:700;
}
.site-footer a{color:rgba(255,255,255,.72);display:block;margin-bottom:10px}
.site-footer a:hover{color:#fff}
.footer-bottom{padding-top:26px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.85rem}
.footer-bottom p{margin:0}

@media(max-width:940px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .svc{grid-template-columns:1fr;gap:0}
  .steps{grid-template-columns:1fr;gap:26px}
  .about-inner{grid-template-columns:1fr;gap:32px}
  .footer-top{grid-template-columns:1fr;gap:34px}
}
@media(max-width:820px){
  .nav a:not(.btn){display:none}
  section{padding:64px 0}
  .header-inner{height:66px}
  .hero-inner{padding-top:64px;padding-bottom:64px}
}
@media(max-width:560px){
  .grid-4{grid-template-columns:1fr}
  body{font-size:16px}
  .btn{width:100%}
  .hero-actions{gap:12px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:44px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.checklist{list-style:none;padding:0;margin:1.4rem 0 0}
.checklist li{position:relative;padding-left:26px;margin-bottom:12px;color:var(--texto-2);font-size:.96rem;line-height:1.55}
.checklist li::before{content:"";position:absolute;left:0;top:.5em;width:10px;height:10px;border-radius:2px;background:var(--azul)}
.checklist.neg li::before{background:#B23A48}
.band-cinza{background:var(--cinza)}
.band-navy{background:var(--navy);color:#fff}
.band-navy h2,.band-navy h3{color:#fff}
.band-navy p{color:rgba(255,255,255,.85)}
.lead-2{font-size:1.06rem;color:var(--texto-2);max-width:64ch}
.band-navy .lead-2{color:rgba(255,255,255,.85)}
.crumbs{font-size:.85rem;color:var(--texto-2);margin-bottom:1.2rem}
.crumbs a{color:var(--texto-2)}
.crumbs a:hover{color:var(--azul)}
@media(max-width:940px){.grid-2{grid-template-columns:1fr}.split{grid-template-columns:1fr;gap:28px}}