:root {
  --ink: #142033;
  --muted: #5c6b7a;
  --line: #e3e9ef;
  --bg: #f5f7f8;
  --card: #fff;
  --navy: #102033;
  --teal: #0f766e;
  --teal-dark: #0c5f59;
  --amber: #9a6700;
  --amber-bg: #fff8eb;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(16, 32, 51, 0.06);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
img { max-width: 100%; height: auto; }
a { color: var(--teal); }
button, input { font: inherit; }

.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }

.notice {
  background: var(--navy);
  color: #d7e2ee;
  font-size: 13px;
  text-align: center;
  padding: 10px 16px;
}
.notice strong { color: #fff; }

header.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 18px;
}
.brand i {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--navy);
  color: #fff;
  display: grid;
  place-items: center;
  font-style: normal;
  font-size: 13px;
}
nav { display: flex; gap: 18px; }
nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
nav a:hover { color: var(--ink); }
.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px;
}

.hero { padding: 48px 0 20px; }
.kicker {
  display: inline-block;
  background: #e7f5f3;
  color: var(--teal-dark);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
}
h1 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.04em;
  margin: 14px 0 12px;
  max-width: 16ch;
}
.lead { max-width: 62ch; color: var(--muted); margin: 0 0 22px; font-size: 17px; }

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.fact {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.fact b { display: block; font-size: 20px; letter-spacing: -0.03em; }
.fact span { color: var(--muted); font-size: 13px; }

.section { padding: 28px 0; }
h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: -0.03em; margin: 0 0 8px; }
.sub { color: var(--muted); margin: 0 0 18px; max-width: 70ch; }

.warn {
  background: var(--amber-bg);
  border: 1px solid #f0dfb4;
  color: #5c4308;
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 18px;
}
.warn strong { color: var(--amber); }

.example {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
}
.example h3 { margin: 0 0 8px; font-size: 16px; }

.offers { display: grid; gap: 14px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px;
  display: grid;
  grid-template-columns: 160px 1fr auto;
  gap: 18px;
  align-items: center;
}
.logo {
  height: 72px;
  display: grid;
  place-items: center;
  background: #f8fafb;
  border-radius: 12px;
  padding: 8px;
}
.logo img { max-height: 56px; width: auto; object-fit: contain; }
.card h3 { margin: 0 0 4px; font-size: 18px; }
.product { color: var(--muted); font-size: 13px; margin: 0 0 10px; }
.meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.meta span {
  background: #f3f6f8;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 13px;
}
.apr {
  font-size: 14px;
  color: var(--ink);
  background: #f4f7f8;
  border-radius: 10px;
  padding: 8px 10px;
  margin: 0 0 10px;
}
.apr b { font-weight: 650; }
.links { display: flex; flex-wrap: wrap; gap: 10px 16px; font-size: 13px; }
.links a { color: var(--muted); }
.cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-width: 180px;
  background: var(--teal);
  color: #fff;
  text-decoration: none;
  border-radius: 12px;
  padding: 14px 18px;
  font-weight: 650;
  line-height: 1.25;
}
.cta:hover { background: var(--teal-dark); }
.cta small { display: block; font-weight: 500; font-size: 11px; opacity: 0.85; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.step em {
  font-style: normal;
  color: var(--teal);
  font-weight: 700;
  font-size: 13px;
}

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 760px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f8fafb; color: var(--muted); font-weight: 600; }

.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 8px;
}
.faq summary { cursor: pointer; font-weight: 650; }
.faq p { color: var(--muted); margin: 8px 0 4px; }

footer {
  background: var(--navy);
  color: #c9d5e2;
  padding: 36px 0 24px;
  margin-top: 20px;
  font-size: 14px;
}
footer a { color: #9ddecb; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; }
footer h2 { color: #fff; font-size: 18px; }
.age { margin-top: 18px; font-size: 12px; color: #8ea0b3; }

@media (max-width: 860px) {
  .facts, .steps { grid-template-columns: 1fr 1fr; }
  .card { grid-template-columns: 1fr; }
  .cta { width: 100%; }
  .foot-grid { grid-template-columns: 1fr; }
  nav { display: none; }
  nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 12px 16px 16px;
  }
  .menu-btn { display: inline-flex; }
  header.top { position: sticky; }
  .top-row { position: relative; }
}
@media (max-width: 560px) {
  .facts, .steps { grid-template-columns: 1fr; }
}