:root {
  --navy: #12355b;
  --navy-800: #0c2440;
  --teal: #2a9d8f;
  --teal-dark: #1f7a70;
  --paper: #f4f7fa;
  --ink: #12355b;
  --muted: #5a6b80;
  --faint: #8a96a8;
  --rule: #d6dee8;
  --card: #ffffff;
  --danger: #b42318;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: Outfit, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--card);
  line-height: 1.55;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-dark); text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 22px; }
h1, h2, h3 { letter-spacing: -0.03em; line-height: 1.15; }
h2 { font-size: clamp(26px, 3.4vw, 38px); color: var(--navy); }
.sub { color: var(--muted); margin: 14px auto 0; max-width: 40em; font-size: 17px; }
.center { text-align: center; }
section { padding: 76px 0; }

header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; }
.brand img.lockup { height: 34px; width: auto; }
.nav-links { display: flex; gap: 22px; align-items: center; font-size: 15px; }
.nav-links a { color: var(--muted); font-weight: 500; }
.nav-links a:hover { color: var(--navy); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--teal); color: #fff; box-shadow: 0 8px 20px rgba(42, 157, 143, 0.28); }
.btn-primary:hover { background: var(--teal-dark); color: #fff; }
.btn-ghost { background: #fff; color: var(--navy); border: 1.5px solid var(--rule); }
.btn-ghost:hover { border-color: var(--teal); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-sm { padding: 9px 16px; font-size: 14px; }

.hero {
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(42, 157, 143, 0.16), transparent 60%),
    linear-gradient(180deg, var(--paper) 0%, #fff 70%);
  padding: 64px 0 72px;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex;
  gap: 8px;
  background: rgba(42, 157, 143, 0.12);
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
h1 { font-size: clamp(32px, 4.6vw, 52px); color: var(--navy); }
h1 .hl { color: var(--teal-dark); }
.lead { margin: 18px 0 22px; font-size: 18.5px; color: var(--muted); max-width: 32em; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.cta-note { font-size: 13px; color: var(--faint); margin-top: 14px; }
.devices { margin-top: 16px; display: flex; gap: 16px; flex-wrap: wrap; font-size: 13.5px; color: var(--muted); font-weight: 600; }

.cartola {
  background: var(--navy);
  color: #fff;
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 28px 60px rgba(18, 53, 91, 0.28);
}
.cartola header-row, .cartola .top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}
.cartola .label { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.55); }
.cartola h3 { font-size: 20px; font-weight: 700; }
.unit {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 14px 16px;
  margin-top: 10px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}
.unit .name { font-weight: 700; }
.unit .meta { font-size: 13px; color: rgba(255,255,255,0.65); }
.pill { font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; align-self: start; }
.pill-ok { background: var(--teal); color: #fff; }
.pill-void { background: rgba(255,255,255,0.14); color: #fff; }
.cartola .foot { margin-top: 14px; font-size: 12.5px; color: rgba(255,255,255,0.55); }

.replaces { background: var(--navy); color: #c9d4e2; padding: 48px 0; }
.replaces .wrap { display: grid; grid-template-columns: 1.2fr 2fr; gap: 28px; align-items: center; }
.replaces h3 { color: #fff; font-size: 24px; }
.replaces h3 span { color: var(--teal); }
.replace-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.replace-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 16px 12px;
  text-align: center;
  font-size: 13.5px;
}
.replace-card strong { display: block; color: #fff; margin-bottom: 4px; }

.trust { padding: 22px 0; border-bottom: 1px solid var(--rule); }
.trust .wrap { display: flex; gap: 14px 28px; flex-wrap: wrap; justify-content: center; font-size: 13.5px; color: var(--muted); }
.trust b { color: var(--navy); }

.features { background: var(--paper); }
.fcards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 42px; text-align: left; }
.fcard {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 26px 22px;
}
.fcard .ico {
  width: 42px; height: 42px; border-radius: 10px;
  background: rgba(42, 157, 143, 0.12);
  color: var(--teal-dark);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; margin-bottom: 14px; font-size: 14px;
}
.fcard h3 { font-size: 18px; margin-bottom: 10px; }
.fcard ul { list-style: none; }
.fcard li { position: relative; padding-left: 22px; margin-bottom: 7px; font-size: 14.5px; color: var(--muted); }
.fcard li::before { content: "✓"; position: absolute; left: 0; color: var(--teal-dark); font-weight: 800; }

.cycle { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 36px; }
.step {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 18px 14px;
}
.step .n { font-size: 12px; font-weight: 800; color: var(--teal-dark); letter-spacing: 0.08em; }
.step h3 { font-size: 16px; margin: 6px 0; }
.step p { font-size: 13.5px; color: var(--muted); }

.security { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-800) 100%); color: #fff; }
.security h2 { color: #fff; }
.security .sub { color: #b7c4d4; }
.sec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.sec-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 16px; padding: 24px 20px; }
.sec-card h3 { font-size: 17px; margin-bottom: 8px; }
.sec-card p { font-size: 14.5px; color: #b7c4d4; }

details { border: 1px solid var(--rule); border-radius: 12px; padding: 16px 18px; margin-bottom: 10px; background: #fff; }
details summary { font-weight: 600; cursor: pointer; list-style: none; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; float: right; color: var(--teal-dark); }
details[open] summary::after { content: "−"; }
details p { margin-top: 10px; color: var(--muted); font-size: 15px; }

.final {
  background: var(--navy);
  color: #fff;
  border-radius: 20px;
  padding: 56px 28px;
  text-align: center;
}
.final h2 { color: #fff; }
.final p { color: #c5d0de; margin: 14px auto 26px; max-width: 34em; }
.final .cta-row { justify-content: center; }

footer { padding: 36px 0 48px; color: var(--faint); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; }
footer a { color: var(--muted); }

.legal { max-width: 40rem; margin: 0 auto; padding: 4.5rem 1.5rem 5rem; }
.legal h1 { margin: 1.2rem 0 0.6rem; font-size: 2rem; }
.legal p, .legal li { margin-top: 0.85rem; color: var(--muted); }
.legal ul { padding-left: 1.2rem; }
.legal .btn { margin-top: 1.2rem; margin-right: 8px; }

@media (max-width: 880px) {
  .hero-grid, .replaces .wrap, .fcards, .sec-grid, .cycle { grid-template-columns: 1fr; }
  .replace-cards { grid-template-columns: 1fr 1fr; }
  .nav-links a:not(.btn) { display: none; }
  section { padding: 56px 0; }
}