/* ============================
   Nortis Analytics — Stylesheet
   ============================ */
:root{
  --c-bg:#FFFFFF;
  --c-soft:#F7F8FA;
  --c-navy:#071A35;
  --c-blue:#2F6BFF;
  --c-text:#5B6470;
  --c-heading:#071A35;
  --c-border:#E6E9EF;
  --max:1180px;
  --radius:14px;
  --shadow-sm:0 1px 2px rgba(7,26,53,.04), 0 2px 8px rgba(7,26,53,.04);
  --shadow-md:0 8px 30px rgba(7,26,53,.08);
  --shadow-lg:0 20px 60px rgba(7,26,53,.18);
  --transition:.3s ease;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Montserrat',system-ui,-apple-system,sans-serif;
  font-weight:400;
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

.container{max-width:var(--max);margin:0 auto;padding:0 24px}

h1,h2,h3,h4,h5{color:var(--c-heading);font-weight:800;line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.6vw,3.5rem)}
h2{font-size:clamp(1.6rem,3vw,2.4rem)}
h3{font-size:1.15rem;font-weight:600}
h4{font-size:1rem;font-weight:600}
.eyebrow{
  display:inline-block;
  text-transform:uppercase;
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--c-blue);
  margin-bottom:14px;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 28px;
  border-radius:8px;
  font-weight:600;
  font-size:.95rem;
  font-family:inherit;
  cursor:pointer;
  transition:var(--transition);
  border:1px solid transparent;
  text-align:center;
  letter-spacing:.01em;
}
.btn-sm{padding:10px 18px;font-size:.85rem}
.btn-lg{padding:18px 36px;font-size:1rem}
.btn-primary{background:var(--c-blue);color:#fff;box-shadow:0 6px 20px rgba(47,107,255,.3)}
.btn-primary:hover{background:#1f56e0;transform:translateY(-2px);box-shadow:0 10px 28px rgba(47,107,255,.4)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* Header */
.header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:var(--transition);
}
.header.scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--c-border);
  box-shadow:var(--shadow-sm);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:12px;color:var(--c-navy)}
.logo-img{width:38px;height:38px;object-fit:contain;display:block}
.logo-text{font-weight:400;font-size:1.05rem;letter-spacing:.02em;line-height:1}
.logo-text strong{font-weight:800;margin-left:4px}
.logo-light{color:#fff}
.logo-light .logo-img{filter:brightness(0) invert(1)}

.nav{display:flex;align-items:center;gap:32px}
.nav > a{
  font-size:.92rem;font-weight:600;color:var(--c-navy);position:relative;
  transition:color var(--transition);
}
.nav > a:not(.btn):hover{color:var(--c-blue)}
.nav > a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;
  background:var(--c-blue);transition:width var(--transition);
}
.nav > a:not(.btn):hover::after{width:100%}

.menu-toggle{display:none;background:none;border:0;cursor:pointer;width:36px;height:36px;flex-direction:column;justify-content:center;gap:5px;padding:6px}
.menu-toggle span{display:block;height:2px;background:var(--c-navy);border-radius:2px;transition:var(--transition)}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero — split layout, clean light background */
.hero{
  background:#fff;
  padding:140px 0 90px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-200px;right:-200px;width:600px;height:600px;
  background:radial-gradient(circle,rgba(47,107,255,.06) 0%,transparent 70%);
  pointer-events:none;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center;
  position:relative;
}
.hero-content{max-width:600px}
.hero h1{
  text-transform:none;
  margin:18px 0 28px;
  font-size:clamp(2rem,4.2vw,3.25rem);
  line-height:1.1;
  letter-spacing:-.02em;
}
.hero h1 .accent{color:var(--c-blue)}
.hero-text{
  font-size:1.05rem;color:var(--c-text);
  margin-bottom:36px;line-height:1.7;max-width:520px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn-outline{
  background:transparent;color:var(--c-navy);
  border:1.5px solid var(--c-border);
}
.btn-outline:hover{border-color:var(--c-navy);background:var(--c-soft)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;height:auto;border-radius:18px;
  box-shadow:0 30px 70px -20px rgba(7,26,53,.25);
  display:block;
}
.hero-visual::after{
  content:"";position:absolute;inset:-14px;border-radius:22px;
  border:1px solid rgba(7,26,53,.06);pointer-events:none;
}

/* Central message */
.central-message{
  background:var(--c-navy);color:#fff;padding:90px 0;text-align:center;
  background-image:radial-gradient(circle at 20% 50%,rgba(47,107,255,.18),transparent 50%),radial-gradient(circle at 80% 50%,rgba(47,107,255,.12),transparent 50%);
}
.central-text{
  font-size:clamp(1.4rem,2.6vw,2.1rem);
  font-weight:800;color:#fff;line-height:1.45;
  max-width:1000px;margin:0 auto;letter-spacing:-.01em;
}
.central-text em{font-style:normal;color:#7CA3FF;font-weight:800}
.central-text strong{color:#fff;border-bottom:3px solid var(--c-blue);padding-bottom:2px}

/* Sections */
.section{padding:110px 0}
.section-alt{background:var(--c-soft)}
.section-dark{background:var(--c-navy);color:rgba(255,255,255,.85)}
.section-head{max-width:760px;margin:0 auto 64px;text-align:center}
.section-head-light h2,.section-head-light .eyebrow{color:#fff}
.section-head-light .eyebrow{color:#7CA3FF}
.section-sub{font-size:1.05rem;margin-top:14px}

/* Pain list */
.pain-list{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px 32px;
  max-width:900px;margin:0 auto;
}
.pain-list li{
  position:relative;padding:18px 18px 18px 56px;
  background:#fff;border:1px solid var(--c-border);border-radius:10px;
  font-size:.96rem;color:var(--c-heading);font-weight:600;
  transition:var(--transition);
}
.pain-list li::before{
  content:"";position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;
  background:var(--c-blue);
}
.pain-list li::after{
  content:"";position:absolute;left:24px;top:50%;
  width:11px;height:6px;border-left:2px solid #fff;border-bottom:2px solid #fff;
  transform:translateY(-75%) rotate(-45deg);
}
.pain-list li:hover{border-color:var(--c-blue);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.pain-footer{
  text-align:center;margin-top:48px;font-size:1.1rem;
  color:var(--c-heading);font-weight:600;
}

/* Grids */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* Solution cards */
.card{
  background:#fff;padding:36px 28px;border-radius:var(--radius);
  border:1px solid var(--c-border);transition:var(--transition);
  position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:0;background:var(--c-blue);
  transition:width var(--transition);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.card:hover::before{width:100%}
.card-num{
  font-size:.8rem;font-weight:800;color:var(--c-blue);
  letter-spacing:.2em;margin-bottom:20px;
}
.card h3{margin-bottom:10px;font-weight:800;font-size:1.15rem}
.card p{font-size:.92rem;color:var(--c-text)}

/* Deliver cards */
.deliver-card{
  background:#fff;padding:40px 32px;border-radius:var(--radius);
  border:1px solid var(--c-border);transition:var(--transition);
}
.deliver-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.deliver-card h3{
  font-weight:800;font-size:1.2rem;margin-bottom:24px;
  padding-bottom:16px;border-bottom:2px solid var(--c-soft);
}
.check-list li{
  position:relative;padding:8px 0 8px 30px;font-size:.94rem;color:var(--c-heading);font-weight:600;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:14px;
  width:14px;height:8px;border-left:2px solid var(--c-blue);border-bottom:2px solid var(--c-blue);
  transform:rotate(-45deg);
}

/* Case cards */
.case-card{
  background:#fff;padding:36px 30px;border-radius:var(--radius);
  border:1px solid var(--c-border);transition:var(--transition);
  border-top:4px solid var(--c-blue);
}
.case-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.case-card h3{font-weight:800;font-size:1.05rem;margin-bottom:14px;line-height:1.4}
.case-card p{font-size:.92rem}

/* Process */
.process{
  display:grid;grid-template-columns:repeat(5,1fr);gap:24px;max-width:1100px;margin:0 auto;
  position:relative;
}
.process::before{
  content:"";position:absolute;top:34px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,transparent,var(--c-border) 10%,var(--c-border) 90%,transparent);
  z-index:0;
}
.process li{
  text-align:center;position:relative;z-index:1;
}
.process .step{
  display:inline-flex;align-items:center;justify-content:center;
  width:68px;height:68px;border-radius:50%;
  background:#fff;border:2px solid var(--c-blue);
  color:var(--c-navy);font-weight:800;font-size:1.1rem;margin-bottom:18px;
  transition:var(--transition);
}
.process li:hover .step{background:var(--c-blue);color:#fff;transform:scale(1.05)}
.process h4{font-size:.95rem;color:var(--c-heading)}

/* Para quem */
.segments{
  display:flex;flex-wrap:wrap;justify-content:center;gap:14px;
  max-width:900px;margin:0 auto 36px;
}
.segments span{
  padding:12px 26px;border:1px solid rgba(255,255,255,.18);border-radius:50px;
  font-weight:600;color:#fff;font-size:.95rem;
  background:rgba(255,255,255,.04);transition:var(--transition);
}
.segments span:hover{background:var(--c-blue);border-color:var(--c-blue);transform:translateY(-2px)}
.segments-text{text-align:center;max-width:680px;margin:0 auto;color:rgba(255,255,255,.7)}

/* Differential */
.diff-card{
  padding:40px 32px;border-radius:var(--radius);
  background:linear-gradient(180deg,#fff 0%,var(--c-soft) 100%);
  border:1px solid var(--c-border);text-align:center;transition:var(--transition);
}
.diff-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.diff-card h3{font-size:1.4rem;font-weight:800;margin-bottom:14px;color:var(--c-navy)}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-image{
  width:100%;aspect-ratio:4/3;border-radius:var(--radius);
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-lg);
}
.about-content p{margin-bottom:16px;font-size:1rem}

/* FAQ */
.faq-container{max-width:820px}
.faq details{
  background:#fff;border:1px solid var(--c-border);border-radius:10px;
  margin-bottom:14px;overflow:hidden;transition:var(--transition);
}
.faq details[open]{border-color:var(--c-blue);box-shadow:var(--shadow-sm)}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 26px;font-weight:600;
  color:var(--c-heading);font-size:1rem;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-size:1.6rem;color:var(--c-blue);font-weight:400;
  transition:transform var(--transition);line-height:1;
}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 26px 24px;font-size:.95rem;color:var(--c-text)}

/* CTA Final */
.cta-final{
  background:var(--c-navy);color:#fff;padding:110px 0;text-align:center;
  background-image:
    radial-gradient(circle at 15% 30%,rgba(47,107,255,.25),transparent 45%),
    radial-gradient(circle at 85% 70%,rgba(47,107,255,.18),transparent 45%);
}
.cta-final h2{color:#fff;max-width:780px;margin:0 auto 20px}
.cta-final p{max-width:640px;margin:0 auto 40px;color:rgba(255,255,255,.8);font-size:1.08rem}

/* Footer */
.footer{background:#04122A;color:rgba(255,255,255,.7);padding:70px 0 0}
.footer-inner{
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:50px;
}
.footer-brand p{margin-top:18px;font-size:.92rem;line-height:1.7}
.footer-col h5{color:#fff;font-weight:800;font-size:.85rem;letter-spacing:.15em;text-transform:uppercase;margin-bottom:18px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:.92rem;transition:color var(--transition)}
.footer-col a:hover{color:var(--c-blue)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;margin-top:0}
.footer-bottom p{font-size:.85rem;color:rgba(255,255,255,.5)}

/* Whatsapp float */
.whatsapp-float{
  position:fixed;bottom:24px;right:24px;width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px rgba(37,211,102,.45);z-index:40;
  transition:var(--transition);
}
.whatsapp-float:hover{transform:scale(1.08)}

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

/* Responsive */
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .pain-list{grid-template-columns:1fr}
  .process{grid-template-columns:repeat(2,1fr)}
  .process::before{display:none}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .footer-inner{grid-template-columns:1fr 1fr}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-content{max-width:none}
}
@media (max-width:720px){
  .menu-toggle{display:flex}
  .nav{
    position:fixed;top:78px;left:0;right:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:16px 24px 24px;border-bottom:1px solid var(--c-border);
    transform:translateY(-120%);transition:transform .35s ease;
    box-shadow:var(--shadow-md);
  }
  .nav.open{transform:translateY(0)}
  .nav > a{padding:14px 0;border-bottom:1px solid var(--c-border)}
  .nav > a.btn{margin-top:12px;border-bottom:0}
  .section{padding:80px 0}
  .central-message{padding:70px 0}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .hero{min-height:auto;padding:130px 0 80px}
  .hero-cta .btn{width:100%}
}