/* ============================================
   EXB — Design System (base: cores da logo)
   navy #16202e · azul #2563eb · branco
   ============================================ */
:root{
  --white:#ffffff;
  --bg:#f6f8fc;
  --bg-2:#eef2f9;
  --navy:#101a29;
  --navy-2:#16202e;
  --ink:#1d2939;
  --grey:#5b6b83;
  --line:rgba(16,26,41,.10);
  --blue:#2563eb;
  --blue-dark:#1746b8;
  --blue-soft:rgba(37,99,235,.10);
  --blue-glow:rgba(37,99,235,.30);
  --radius:14px;
  --radius-sm:10px;
  --max:1180px;
  --ease:cubic-bezier(.22,1,.36,1);
  --font:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --squares:linear-gradient(rgba(16,26,41,.045) 1px,transparent 1px),
            linear-gradient(90deg,rgba(16,26,41,.045) 1px,transparent 1px);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--white);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ol,ul{list-style:none}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.container--narrow{max-width:820px}

/* ---------- Typography ---------- */
.h2{
  font-size:clamp(2rem,5.2vw,3.3rem);
  line-height:1.08;letter-spacing:-.035em;font-weight:800;color:var(--navy);
}
.lead{font-size:clamp(1.05rem,2.2vw,1.3rem);color:var(--grey);margin-top:16px;max-width:56ch}
.eyebrow{
  display:inline-block;font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--blue);font-weight:700;margin-bottom:16px;
  padding:6px 12px;border-radius:8px;background:var(--blue-soft);
}

/* ---------- Buttons (cantos suaves, formato quadrado) ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:12px;font-weight:600;font-size:.95rem;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,color .3s,border-color .3s;
}
.btn--lg{padding:17px 34px;font-size:1rem}
.btn--xl{padding:20px 44px;font-size:1.08rem;border-radius:14px}
.btn--primary{background:var(--blue);color:var(--white);box-shadow:0 12px 28px -14px var(--blue-glow)}
.btn--primary:hover{background:var(--blue-dark);transform:translateY(-3px);box-shadow:0 22px 40px -16px var(--blue-glow)}
.btn--ghost{border-color:var(--line);color:var(--navy);background:var(--white)}
.btn--ghost:hover{transform:translateY(-3px);border-color:var(--blue);color:var(--blue)}
.btn:active{transform:translateY(-1px)}

.link-arrow{
  display:inline-flex;align-items:center;gap:9px;margin-top:26px;color:var(--blue);
  font-weight:700;transition:gap .3s var(--ease);
}
.link-arrow:hover{gap:16px}

.tag{
  display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:10px;
  border:1px solid var(--line);background:var(--white);
  font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);font-weight:600;
  box-shadow:0 6px 18px -14px rgba(16,26,41,.5);
}
.tag::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--blue)}

/* ---------- Nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:60;
  background:rgba(255,255,255,.72);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:box-shadow .4s var(--ease),border-color .4s,background .4s;
}
.nav.is-scrolled{background:rgba(255,255,255,.92);border-bottom-color:var(--line);box-shadow:0 10px 30px -26px rgba(16,26,41,.9)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.14em;color:var(--navy);font-size:1.05rem}
.brand img{width:36px;height:36px;object-fit:contain;border-radius:8px}
.nav__links{display:flex;align-items:center;gap:28px}
.nav__links a{font-size:.94rem;color:var(--grey);font-weight:500;position:relative;transition:color .3s}
.nav__links a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:-7px;height:2px;width:0;background:var(--blue);border-radius:2px;
  transition:width .35s var(--ease);
}
.nav__links a:hover{color:var(--navy)}
.nav__links a:not(.btn):hover::after{width:100%}
.nav__cta{color:var(--white) !important;padding:12px 22px}

.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:10px;cursor:pointer}
.burger span{width:24px;height:2px;background:var(--navy);border-radius:2px;transition:transform .35s var(--ease),opacity .25s}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;padding:130px 0 90px;overflow:hidden;
  background:
    radial-gradient(60% 70% at 82% 12%,rgba(37,99,235,.10),transparent 70%),
    var(--squares),
    linear-gradient(180deg,var(--white),var(--bg));
  background-size:auto,44px 44px,44px 44px,auto;
}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%;opacity:.9}
.hero__glow{
  position:absolute;top:-20%;right:-10%;width:min(760px,90vw);height:760px;pointer-events:none;
  background:radial-gradient(50% 50% at 50% 50%,rgba(37,99,235,.16),transparent 70%);
}
.hero__inner{position:relative;z-index:2}
.hero__title{
  font-size:clamp(2.5rem,7.4vw,5rem);
  line-height:1.03;letter-spacing:-.04em;font-weight:800;color:var(--navy);
  margin-top:26px;max-width:16ch;
}
.hero__sub{margin-top:24px;max-width:58ch;font-size:clamp(1.02rem,2.2vw,1.26rem);color:var(--grey)}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero__stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:64px}
.hero__stats>div{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 24px;min-width:150px;box-shadow:0 18px 40px -34px rgba(16,26,41,.8);
  transition:transform .4s var(--ease),border-color .3s;
}
.hero__stats>div:hover{transform:translateY(-4px);border-color:rgba(37,99,235,.45)}
.hero__stats strong{display:block;color:var(--navy);font-size:1.35rem;letter-spacing:-.02em}
.hero__stats span{font-size:.85rem;color:var(--grey)}

/* ---------- Sections ---------- */
.section{padding:clamp(80px,10.5vw,140px) 0}
.section--alt{
  background:var(--squares),var(--bg);
  background-size:44px 44px,44px 44px,auto;
  border-block:1px solid var(--line);
}
.section__head{max-width:660px;margin-bottom:56px}

.about{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.about__text p{color:var(--grey);margin-bottom:18px;font-size:1.05rem}

/* ---------- Grid / Cards ---------- */
.grid{display:grid;gap:20px}
.grid--3{grid-template-columns:repeat(3,1fr)}

.card{
  position:relative;padding:32px 28px 34px;border-radius:var(--radius);
  background:var(--white);border:1px solid var(--line);overflow:hidden;
  transition:transform .45s var(--ease),border-color .35s,box-shadow .45s var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--blue);
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
}
.card:hover{transform:translateY(-6px);border-color:rgba(37,99,235,.35);box-shadow:0 30px 60px -40px rgba(16,26,41,.75)}
.card:hover::before{transform:scaleX(1)}
.card__icon{
  width:52px;height:52px;padding:11px;margin-bottom:20px;
  border-radius:12px;background:var(--blue-soft);
}
.card h3{color:var(--navy);font-size:1.18rem;letter-spacing:-.01em;margin-bottom:8px}
.card p{color:var(--grey);font-size:.97rem}

/* ---------- Projects ---------- */
.project{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--white);
  transition:transform .45s var(--ease),border-color .35s,box-shadow .45s var(--ease);
}
.project:hover{transform:translateY(-6px);border-color:rgba(37,99,235,.35);box-shadow:0 32px 64px -44px rgba(16,26,41,.8)}
.project__img{aspect-ratio:16/11;overflow:hidden;background:var(--bg-2);border-bottom:1px solid var(--line)}
.project__img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.project:hover .project__img img{transform:scale(1.05)}
.project__body{padding:24px 24px 28px}
.project__body h3{color:var(--navy);font-size:1.22rem;margin:12px 0 8px;letter-spacing:-.015em}
.project__body p{color:var(--grey);font-size:.95rem}
.chip{
  display:inline-block;padding:5px 12px;border-radius:8px;font-size:.7rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--blue);font-weight:700;
  background:var(--blue-soft);
}
.chip--real{color:#0a7f4f;background:rgba(16,163,102,.12)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;padding:32px 24px 34px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--white);
  transition:border-color .35s,transform .45s var(--ease),box-shadow .45s var(--ease);
}
.step:hover{border-color:rgba(37,99,235,.35);transform:translateY(-6px);box-shadow:0 28px 56px -42px rgba(16,26,41,.75)}
.step__num{
  display:inline-grid;place-items:center;width:52px;height:52px;border-radius:12px;
  background:var(--navy);color:var(--white);font-weight:800;font-size:1.1rem;margin-bottom:16px;
}
.step:hover .step__num{background:var(--blue)}
.step h3{color:var(--navy);font-size:1.12rem;margin-bottom:6px}
.step p{color:var(--grey);font-size:.95rem}

/* ---------- Impact ---------- */
.impact{
  position:relative;padding:clamp(90px,12vw,150px) 0;text-align:center;overflow:hidden;color:var(--white);
  background:
    radial-gradient(70% 90% at 50% 0%,rgba(37,99,235,.35),transparent 70%),
    linear-gradient(180deg,var(--navy),var(--navy-2));
}
.impact::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(70% 70% at 50% 50%,#000,transparent 75%);
}
.impact__inner{position:relative;z-index:2}
.impact__title{font-size:clamp(2rem,5.6vw,3.6rem);line-height:1.07;letter-spacing:-.035em;color:var(--white);font-weight:800;max-width:18ch;margin:0 auto}
.impact__sub{margin:20px auto 36px;color:rgba(255,255,255,.72);max-width:52ch;font-size:1.06rem}
.impact .btn--primary{background:var(--white);color:var(--navy)}
.impact .btn--primary:hover{background:var(--blue);color:var(--white)}

/* ---------- FAQ ---------- */
.faq__item{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--white);
  margin-bottom:12px;transition:border-color .3s,box-shadow .3s;
}
.faq__item.is-open{border-color:rgba(37,99,235,.4);box-shadow:0 24px 50px -42px rgba(16,26,41,.8)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;color:var(--navy);font-family:inherit;
  font-size:clamp(1rem,2.2vw,1.1rem);font-weight:600;text-align:left;
  padding:22px 22px;cursor:pointer;transition:color .3s;
}
.faq__q:hover{color:var(--blue)}
.faq__ico{position:relative;flex:0 0 20px;height:20px}
.faq__ico::before,.faq__ico::after{
  content:"";position:absolute;top:50%;left:0;width:20px;height:2px;border-radius:2px;
  background:var(--blue);transform:translateY(-50%);transition:transform .35s var(--ease);
}
.faq__ico::after{transform:translateY(-50%) rotate(90deg)}
.faq__item.is-open .faq__ico::after{transform:translateY(-50%) rotate(0)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.faq__a p{color:var(--grey);padding:0 22px 22px;max-width:70ch}

/* ---------- Contact ---------- */
.contact{text-align:center;display:flex;flex-direction:column;align-items:center}
.contact .lead{margin:16px auto 36px}
.contact__info{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;
  margin-top:60px;width:100%;text-align:left;
}
.contact__info>div{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.contact__info h3{color:var(--blue);font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:10px}
.contact__info p,.contact__info a{color:var(--grey)}
.contact__info a:hover{color:var(--blue)}

/* ---------- Footer ---------- */
.footer{background:var(--navy);color:rgba(255,255,255,.72);padding:70px 0 28px}
.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer .brand{color:var(--white)}
.footer__brand p{margin-top:16px;max-width:34ch;font-size:.95rem}
.footer h4{color:var(--white);font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:14px}
.footer p{font-size:.95rem}
.footer a:hover{color:#8fb4ff}
.footer__bottom{margin-top:50px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12)}
.footer__bottom p{font-size:.85rem;color:rgba(255,255,255,.5)}

/* ---------- Floating WhatsApp ---------- */
.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:70;
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:var(--blue);box-shadow:0 16px 34px -14px var(--blue-glow);
  transition:transform .35s var(--ease),background .3s;
}
.wa-float:hover{transform:translateY(-4px);background:var(--blue-dark)}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr;gap:34px}
  .footer__inner{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .burger{display:flex}
  .nav__links{
    position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);
    padding:8px 22px 26px;box-shadow:0 24px 40px -30px rgba(16,26,41,.6);
    clip-path:inset(0 0 100% 0);opacity:0;pointer-events:none;
    transition:clip-path .5s var(--ease),opacity .3s;
  }
  .nav__links.is-open{clip-path:inset(0 0 0 0);opacity:1;pointer-events:auto}
  .nav__links a{width:100%;padding:16px 0;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav__links a:not(.btn)::after{display:none}
  .nav__cta{justify-content:center;margin-top:18px;border-bottom:0 !important;padding:15px 22px}
  .hero{min-height:auto;padding:118px 0 76px}
  .hero__stats{gap:12px;margin-top:44px}
  .hero__stats>div{flex:1 1 140px;min-width:0;padding:16px 18px}
  .grid--3,.steps{grid-template-columns:1fr}
  .contact__info{grid-template-columns:1fr;text-align:left}
  .footer__inner{grid-template-columns:1fr;gap:30px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}