/* ===== EXAINFO — Consultoria Cloud & IA ===== */
:root{
  --bg:#0d0f14;
  --bg-soft:#141821;
  --bg-card:#171c27;
  --bg-card-2:#1c2330;
  --border:#262d3d;
  --border-soft:#1f2634;
  --text:#e9edf5;
  --text-dim:#a8b2c4;
  --text-mute:#6f7a8f;
  --brand:#e8791e;
  --brand-2:#f59331;
  --brand-dim:#3a2a17;
  --accent:#4aa3ff;
  --ok:#3ecf8e;
  --radius:16px;
  --radius-lg:22px;
  --maxw:1140px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
:root[data-theme="light"]{
  --bg:#f6f7f9;
  --bg-soft:#ffffff;
  --bg-card:#ffffff;
  --bg-card-2:#f1f3f7;
  --border:#e2e6ee;
  --border-soft:#eaedf3;
  --text:#171c27;
  --text-dim:#4a5568;
  --text-mute:#8a93a5;
  --brand-dim:#fdf0e4;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--text);
  line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.4rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.4rem)}
h3{font-size:1.15rem}
p{margin:0 0 1rem;color:var(--text-dim)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.eyebrow{
  display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--brand-2);margin-bottom:14px;
}
.muted{color:var(--text-mute)}
.center{text-align:center}
section{padding:84px 0}
@media(max-width:640px){section{padding:56px 0}}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--border-soft);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:inline-flex;align-items:center;font-weight:800;letter-spacing:.02em;font-size:1.4rem;color:var(--text)}
.site-footer .brand{font-size:1.25rem;margin-bottom:14px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--text-dim);font-size:.94rem;font-weight:500;transition:color .15s}
.nav-links a:hover{color:var(--text)}
.nav-actions{display:flex;gap:12px;align-items:center}
.theme-toggle{
  background:var(--bg-card);border:1px solid var(--border);color:var(--text-dim);
  width:38px;height:38px;border-radius:10px;cursor:pointer;font-size:1rem;display:grid;place-items:center;
  transition:border-color .15s,color .15s;
}
.theme-toggle:hover{color:var(--text);border-color:var(--brand)}
.nav-toggle{display:none;background:none;border:0;color:var(--text);cursor:pointer;padding:6px}
.nav-toggle svg{width:26px;height:26px}
@media(max-width:900px){
  .nav-links{
    position:fixed;inset:70px 0 auto 0;background:var(--bg-soft);flex-direction:column;
    gap:0;padding:10px 0;border-bottom:1px solid var(--border);transform:translateY(-130%);
    transition:transform .28s ease;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 22px;width:100%;border-bottom:1px solid var(--border-soft)}
  .nav-toggle{display:block}
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:11px;
  font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:transform .12s,box-shadow .2s,background .2s;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 24px -8px var(--brand)}
.btn-primary:hover{box-shadow:0 12px 30px -8px var(--brand)}
.btn-ghost{background:var(--bg-card);border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand)}
.btn-lg{padding:15px 30px;font-size:1rem}

/* ===== Hero ===== */
.hero{position:relative;padding:96px 0 80px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-30%;left:50%;transform:translateX(-50%);
  width:900px;height:600px;background:radial-gradient(ellipse at center,var(--brand-dim),transparent 70%);
  filter:blur(20px);z-index:0;pointer-events:none;
}
.hero .container{position:relative;z-index:1;max-width:840px;text-align:center}
.hero h1{margin-bottom:20px}
.hero h1 .grad{background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.2rem;color:var(--text-dim);max-width:640px;margin:0 auto 32px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-badges{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:44px;color:var(--text-mute);font-size:.86rem;font-weight:500}
.hero-badges span{display:flex;align-items:center;gap:8px}
.hero-badges span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}

/* ===== Bento grid ===== */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.bento .card{grid-column:span 2}
.bento .card.wide{grid-column:span 3}
.bento .card.tall{grid-column:span 3}
@media(max-width:900px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento .card,.bento .card.wide,.bento .card.tall{grid-column:span 1}
}
@media(max-width:560px){.bento{grid-template-columns:1fr}}

.card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;transition:border-color .2s,transform .2s,background .2s;position:relative;
}
.card:hover{border-color:var(--brand);transform:translateY(-3px)}
.card .ic{
  width:44px;height:44px;border-radius:11px;background:var(--brand-dim);color:var(--brand-2);
  display:grid;place-items:center;margin-bottom:16px;font-size:1.25rem;
}
.card h3{margin-bottom:6px}
.card p{font-size:.92rem;margin:0;color:var(--text-mute)}
.card .link{color:var(--brand-2);font-size:.88rem;font-weight:600;margin-top:14px;display:inline-block}

/* ===== Section head ===== */
.sec-head{max-width:640px;margin:0 auto 48px;text-align:center}
.sec-head p{font-size:1.05rem}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;counter-increment:step}
.step::before{
  content:"0" counter(step);font-weight:800;font-size:1.4rem;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:10px;
}
.step h3{font-size:1.05rem}
.step p{font-size:.9rem;margin:0;color:var(--text-mute)}

/* ===== Platforms ===== */
.platforms{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:820px){.platforms{grid-template-columns:1fr}}
.platform{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:30px}
.platform h3{font-size:1.3rem;display:flex;align-items:center;gap:10px}
.platform .tag{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--brand-2);background:var(--brand-dim);padding:3px 9px;border-radius:6px}
.platform ul{margin:14px 0 0;padding:0;list-style:none}
.platform li{padding:7px 0 7px 24px;position:relative;font-size:.92rem;color:var(--text-dim);border-top:1px solid var(--border-soft)}
.platform li::before{content:"→";position:absolute;left:0;color:var(--brand)}

/* ===== Stats ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center}
@media(max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 16px}
.stat .n{font-size:2.2rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:.85rem;color:var(--text-mute);margin-top:4px}

/* ===== Cases ===== */
.case-filters{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.chip{
  background:var(--bg-card);border:1px solid var(--border);color:var(--text-dim);
  padding:8px 16px;border-radius:99px;font-size:.86rem;font-weight:500;cursor:pointer;transition:all .15s;
}
.chip:hover{color:var(--text)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.cases-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.cases-grid{grid-template-columns:1fr}}
.case{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:border-color .2s,transform .2s}
.case:hover{border-color:var(--brand);transform:translateY(-3px)}
.case .pill{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--brand-2);background:var(--brand-dim);padding:3px 9px;border-radius:6px}
.case h3{margin:14px 0 6px}
.case .metric{font-size:1.6rem;font-weight:800;color:var(--text);letter-spacing:-.03em;margin-top:12px}
.case .metric small{display:block;font-size:.8rem;font-weight:500;color:var(--text-mute);letter-spacing:0}
.case.hide{display:none}

/* ===== Testimonials ===== */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.quotes{grid-template-columns:1fr}}
.quote{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.quote p{font-size:.98rem;color:var(--text);font-style:italic}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:16px}
.quote .av{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;font-weight:700;color:#fff;font-size:.9rem}
.quote .who b{display:block;font-size:.9rem}
.quote .who span{font-size:.8rem;color:var(--text-mute)}

/* ===== CTA band ===== */
.cta-band{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-radius:var(--radius-lg);padding:52px 40px;text-align:center;color:#fff}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);max-width:520px;margin:0 auto 26px}
.cta-band .btn-ghost{background:#fff;color:var(--brand);border-color:#fff}

/* ===== Forms ===== */
.form-wrap{max-width:620px;margin:0 auto}
.field{margin-bottom:18px}
.field label{display:block;font-size:.86rem;font-weight:600;margin-bottom:7px;color:var(--text-dim)}
.field input,.field textarea,.field select{
  width:100%;padding:13px 15px;background:var(--bg-card);border:1px solid var(--border);
  border-radius:11px;color:var(--text);font-family:inherit;font-size:.95rem;transition:border-color .15s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand)}
.field textarea{min-height:120px;resize:vertical}
.form-note{font-size:.82rem;color:var(--text-mute);margin-top:12px}
.hp{position:absolute;left:-9999px;opacity:0}
.form-status{margin-top:16px;padding:13px 16px;border-radius:11px;font-size:.9rem;display:none}
.form-status.ok{display:block;background:rgba(62,207,142,.12);border:1px solid var(--ok);color:var(--ok)}
.form-status.err{display:block;background:rgba(255,90,90,.12);border:1px solid #ff5a5a;color:#ff8080}

/* ===== FAQ ===== */
.faq{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);padding:4px 0}
.faq-q{width:100%;background:none;border:0;color:var(--text);font-size:1.02rem;font-weight:600;
  text-align:left;padding:20px 40px 20px 0;cursor:pointer;position:relative;font-family:inherit}
.faq-q::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--brand-2)}
.faq-item.open .faq-q::after{content:"–"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 0 20px;font-size:.94rem;margin:0}

/* ===== Page hero (inner) ===== */
.page-hero{padding:70px 0 40px;text-align:center}
.page-hero p{font-size:1.1rem;max-width:600px;margin:0 auto}

/* ===== Footer ===== */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--border);padding:56px 0 30px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-mute)}
.footer-grid a{display:block;color:var(--text-dim);font-size:.9rem;padding:5px 0;transition:color .15s}
.footer-grid a:hover{color:var(--brand-2)}
.footer-about p{font-size:.9rem;max-width:280px}
.footer-bottom{border-top:1px solid var(--border);margin-top:40px;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.83rem;color:var(--text-mute)}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}