:root {
  --bg: #f6faf7;
  --bg-alt: #eef6f1;
  --ink: #12241c;
  --muted: #4d6358;
  --brand: #0b3d2e;
  --brand-2: #146b4f;
  --accent: #7cffb2;
  --card: #ffffff;
  --line: #d5e6dc;
  --shadow: 0 18px 50px rgba(11, 61, 46, 0.08);
  --radius: 18px;
  --max: 1100px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: radial-gradient(1200px 600px at 10% -10%, #d9f5e6 0%, transparent 55%),
              radial-gradient(900px 500px at 100% 0%, #e7f0ff 0%, transparent 45%),
              var(--bg);
  line-height: 1.55;
}
img { max-width: 100%; }
a { color: var(--brand-2); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--brand); }
.wrap { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }
.narrow { width: min(720px, calc(100% - 2rem)); }
.skip {
  position: absolute; left: -999px; top: 0; background: var(--brand); color: #fff; padding: .6rem 1rem; z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(246, 250, 247, 0.85);
  border-bottom: 1px solid rgba(213, 230, 220, 0.8);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.logo { display: inline-flex; align-items: center; gap: .55rem; color: var(--brand); text-decoration: none; font-weight: 750; letter-spacing: -0.02em; }
.logo .mark {
  width: 28px; height: 28px; border-radius: 8px; background: var(--brand);
  box-shadow: inset 0 0 0 0 var(--accent), 10px -8px 0 -8px var(--accent);
  position: relative;
}
.logo .mark::after {
  content: ""; position: absolute; right: 4px; top: 4px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
}
.logo .word { font-size: 1.15rem; }
.menu { display: flex; gap: 1rem; list-style: none; margin: 0; padding: 0; align-items: center; }
.menu a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: .95rem; }
.menu a:hover { color: var(--brand-2); }
.nav-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: .45rem .9rem; font-weight: 650; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  background: var(--brand); color: #f4fff9 !important; text-decoration: none !important;
  border-radius: 999px; padding: .85rem 1.25rem; font-weight: 700; border: 1px solid transparent;
  box-shadow: 0 10px 24px rgba(11,61,46,.18);
}
.btn:hover { background: var(--brand-2); }
.btn-ghost { background: transparent; color: var(--brand) !important; border-color: var(--line); box-shadow: none; }
.btn-sm { padding: .55rem .95rem; font-size: .9rem; box-shadow: none; }
.btn-lg { padding: 1rem 1.4rem; font-size: 1.05rem; }
.hero { padding: 4.5rem 0 3.5rem; }
.hero-grid { display: grid; grid-template-columns: 1.35fr .9fr; gap: 2rem; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; font-weight: 750; color: var(--brand-2); margin: 0 0 .75rem; }
.eyebrow.light { color: var(--accent); }
h1, h2, h3 { letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 .75rem; }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); }
.lead { font-size: 1.12rem; color: var(--muted); margin: 0 0 1.4rem; max-width: 38rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1rem; }
.note { font-size: .9rem; color: var(--muted); margin: 0; max-width: 36rem; }
.note.light { color: rgba(244,255,249,.82); margin-top: 1rem; }
.hero-card {
  background: var(--card); border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px);
  padding: 1.4rem 1.5rem; box-shadow: var(--shadow);
}
.card-title { font-size: 1.05rem; margin-bottom: .8rem; }
.checklist { margin: 0; padding: 0; list-style: none; }
.checklist li { position: relative; padding: .55rem 0 .55rem 1.6rem; border-top: 1px solid var(--line); }
.checklist li:first-child { border-top: 0; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .85rem; width: .85rem; height: .85rem; border-radius: 50%;
  background: var(--accent); box-shadow: inset 0 0 0 3px var(--brand);
}
.section { padding: 4rem 0; }
.section.alt { background: rgba(238, 246, 241, .7); border-block: 1px solid var(--line); }
.section-head { max-width: 40rem; margin-bottom: 2rem; }
.section-head p:last-child { color: var(--muted); margin: 0; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem 1.3rem; box-shadow: 0 8px 24px rgba(11,61,46,.04);
}
.card p, .benefits p, .steps p { color: var(--muted); margin: 0; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.steps li {
  display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.3rem;
}
.step-num {
  width: 2.2rem; height: 2.2rem; border-radius: 999px; display: grid; place-items: center;
  background: var(--brand); color: #fff; font-weight: 800;
}
.benefits { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.benefits article {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem 1.3rem;
}
.faq details {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: .9rem 1rem; margin-bottom: .7rem;
}
.faq summary { cursor: pointer; font-weight: 700; }
.faq details[open] summary { margin-bottom: .5rem; }
.faq p { margin: 0; color: var(--muted); }
.cta {
  background: linear-gradient(145deg, #0b3d2e 0%, #146b4f 55%, #0f513d 100%);
  color: #f4fff9; border: 0;
}
.cta h2, .cta p { color: inherit; }
.center { text-align: center; }
.center .btn { margin-top: .4rem; }
.site-footer { padding: 2.5rem 0 3rem; border-top: 1px solid var(--line); background: #f3f8f5; }
.footer-grid { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.muted { color: var(--muted); font-size: .92rem; }
@media (max-width: 900px) {
  .hero-grid, .cards, .benefits { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .menu {
    display: none; position: absolute; right: 1rem; top: 68px; background: #fff; border: 1px solid var(--line);
    border-radius: 16px; padding: .8rem; flex-direction: column; align-items: stretch; min-width: 220px;
    box-shadow: var(--shadow);
  }
  .menu.open { display: flex; }
  .menu li { width: 100%; }
  .menu a { display: block; padding: .55rem .4rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}