:root{
  --blue:#146ef5;
  --blue-2:#4aa3ff;
  --blue-soft:#eaf3ff;
  --black:#05070d;
  --ink:#111827;
  --muted:#667085;
  --line:#d9e2ef;
  --panel:#ffffff;
  --bg:#f6f9ff;
  --shadow:0 24px 70px rgba(15, 23, 42, .10), 0 8px 24px rgba(20, 110, 245, .08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;
  background:
    radial-gradient(circle at 15% 0%, rgba(20,110,245,.13), transparent 32%),
    radial-gradient(circle at 90% 10%, rgba(74,163,255,.16), transparent 30%),
    linear-gradient(180deg,#fbfdff 0%,var(--bg) 44%,#fff 100%);
  color:var(--ink);
  line-height:1.55;
}
.site-header{
  position:sticky;top:0;z-index:5;
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  padding:14px 5vw;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(217,226,239,.9);
}
.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--black)}
.brand-mark{
  display:grid;place-items:center;width:43px;height:43px;border-radius:12px;
  background:linear-gradient(135deg,var(--black),#14213d 56%,var(--blue));
  color:#fff;font-weight:800;letter-spacing:-.04em;
  box-shadow:0 12px 28px rgba(20,110,245,.25);
}
.brand strong{display:block;font-size:1.02rem;letter-spacing:-.03em}.brand small{display:block;color:var(--muted);margin-top:-4px;font-weight:600}
nav{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
nav a{color:#263142;text-decoration:none;font-weight:700;font-size:.94rem;padding:9px 12px;border-radius:999px;transition:.2s ease}
nav a:hover{background:var(--blue-soft);color:var(--blue)}
.hero{display:grid;grid-template-columns:1.13fr .87fr;gap:34px;padding:78px 5vw 48px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:800;color:var(--blue);margin:0 0 16px}
h1,h2,h3{line-height:1.04;margin:0 0 18px;color:var(--black);letter-spacing:-.055em}
h1{font-size:clamp(2.7rem,6vw,5.8rem);max-width:980px}
h2{font-size:clamp(2rem,3.5vw,3.7rem)}
h3{font-size:1.35rem;letter-spacing:-.035em}.lead{font-size:1.22rem;color:#475467;max-width:760px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 20px;border-radius:12px;text-decoration:none;font-weight:800;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease}.btn:hover{transform:translateY(-2px)}.primary{background:var(--blue);color:#fff;box-shadow:0 16px 32px rgba(20,110,245,.25)}.primary:hover{background:#0d5bd7}.ghost{border-color:#b8cff5;color:var(--blue);background:#fff}.ghost:hover{border-color:var(--blue);box-shadow:0 10px 26px rgba(20,110,245,.12)}.wide{width:100%;margin-top:8px}.trust-list{display:flex;gap:12px;flex-wrap:wrap;padding:0;margin:22px 0 0;list-style:none;color:#344054}.trust-list li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 13px;font-weight:700;font-size:.92rem}.hero-card,.card,.calculator{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.hero-card{padding:26px;position:relative;overflow:hidden}.hero-card:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,var(--blue),var(--blue-2),#0b1020)}.mini-card{padding:18px;border-radius:16px;background:#f8fbff;border:1px solid #e6edf7;margin-top:14px}.mini-card strong{display:block;color:var(--black);margin-bottom:4px}.mini-card span{display:block;color:var(--muted)}.section{padding:70px 5vw}.section>p,.section>h2{max-width:860px}.cards{display:grid;gap:18px;margin-top:26px}.three{grid-template-columns:repeat(3,1fr)}.card{padding:26px;transition:transform .2s ease,border-color .2s ease}.card:hover{transform:translateY(-5px);border-color:#9dc5ff}.card.featured{background:linear-gradient(180deg,#ffffff 0%,#edf6ff 100%);border-color:#9dc5ff}.card p{color:var(--muted)}.card strong{display:block;font-size:1.15rem;color:var(--blue);margin:18px 0 4px}.card small{color:var(--muted)}.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:start}.zone-list{display:flex;flex-wrap:wrap;gap:10px}.zone-list span{padding:11px 14px;border:1px solid #cfe0f7;background:#fff;border-radius:999px;font-weight:800;color:#263142}.dark{background:linear-gradient(135deg,#05070d,#0b1220 55%,#0e2a55);color:#fff;margin:40px 5vw;border-radius:28px;padding:54px}.dark h2,.dark .eyebrow{color:#fff}.dark .eyebrow{opacity:.78}.steps{margin:0;padding:0;list-style:none;counter-reset:step}.steps li{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.13)}.steps li:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--blue);font-weight:900}.steps strong{display:block;grid-column:2}.steps span{display:block;grid-column:2;color:#c9d5e8}.calculator-section{display:grid;grid-template-columns:.75fr 1.25fr;gap:34px;align-items:start}.calc-copy{position:sticky;top:96px}.calc-copy p{color:var(--muted)}.calculator{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding:24px}.calculator label{display:grid;gap:8px;font-weight:800;color:#263142}.calculator select,.calculator input{width:100%;border:1px solid #cfd8e6;border-radius:12px;padding:13px 14px;font:inherit;background:#fff;color:var(--ink);outline:none}.calculator select:focus,.calculator input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(20,110,245,.12)}.checks{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.checks label{display:flex;align-items:center;gap:8px;background:#f7fbff;border:1px solid #e1ecf9;border-radius:12px;padding:12px}.checks input{width:auto;accent-color:var(--blue)}.result{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:linear-gradient(135deg,#07101f,#10284d);color:#fff;border-radius:18px;padding:18px}.result span{font-weight:800;color:#cfe2ff}.result strong{font-size:2.25rem;letter-spacing:-.05em}.result small{width:100%;color:#cbd5e1}.calculator .wide{grid-column:1/-1}.portuguese{margin:30px 5vw 70px;border-radius:28px;background:linear-gradient(135deg,#eaf3ff,#fff);border:1px solid #d7e8ff}.portuguese p{color:#475467;max-width:850px}footer{display:grid;gap:8px;padding:34px 5vw;background:#05070d;color:#fff}footer span,footer small{color:#aebacd}@media(max-width:900px){.hero,.split,.calculator-section{grid-template-columns:1fr}.three{grid-template-columns:1fr}.calc-copy{position:static}.dark{margin:20px 5vw;padding:34px}.site-header{align-items:flex-start}.calculator{grid-template-columns:1fr}.checks{grid-template-columns:1fr}}@media(max-width:640px){nav{display:none}.hero{padding-top:52px}h1{font-size:2.55rem}.section{padding:48px 5vw}.trust-list li{width:100%}.result{display:block}.result strong{display:block;margin-top:6px}.btn{width:100%}}