:root {
  color-scheme: light dark;
  --canvas: #f5f6f4;
  --surface: #ffffff;
  --text: #121512;
  --muted: #5f655f;
  --green: #12683c;
  --green-soft: #e7f1eb;
  --border: #dfe4df;
  --shadow: 0 14px 40px rgba(20, 45, 30, 0.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #0d100e;
    --surface: #151a16;
    --text: #f4f7f4;
    --muted: #adb5ae;
    --green: #5cc78b;
    --green-soft: #172b20;
    --border: #29342d;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

html { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--green); }
a:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }
a, .button { transition: color .18s ease, background-color .18s ease, transform .18s ease; }
a:hover { text-decoration-thickness: 2px; }
.button:hover { transform: translateY(-1px); }

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 10;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-weight: 750;
}

.skip-link:focus { top: 12px; }

.shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }

header {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green);
  font-weight: 800;
  letter-spacing: .14em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 50%;
  font-size: .7rem;
  letter-spacing: .04em;
}

nav { float: right; display: flex; gap: 20px; }
nav a { font-weight: 650; text-decoration: none; }

main { padding: 70px 0 90px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, .7fr);
  gap: clamp(36px, 7vw, 84px);
  align-items: center;
  min-height: 620px;
}

.eyebrow {
  color: var(--green);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1 { max-width: 720px; margin: 10px 0 20px; font-size: clamp(2.4rem, 7vw, 4.8rem); line-height: 1.02; letter-spacing: -.045em; }
h2 { margin: 12px 0 18px; font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.08; letter-spacing: -.035em; }
h3 { margin-bottom: 4px; }
p, li { color: var(--muted); }
.lead { max-width: 720px; font-size: 1.2rem; }

.bearing-card {
  display: grid;
  gap: 28px;
  padding: clamp(26px, 5vw, 42px);
  background: linear-gradient(145deg, var(--surface), var(--green-soft));
  border: 1px solid var(--border);
  border-radius: 32px;
  box-shadow: var(--shadow);
}

.bearing-card strong { display: block; margin-top: 8px; font-size: 1.5rem; line-height: 1.2; }
.bearing-card p { margin-bottom: 0; }

.bearing-ring {
  display: grid;
  width: 132px;
  height: 132px;
  place-items: center;
  border: 18px solid var(--green-soft);
  border-top-color: var(--green);
  border-right-color: var(--green);
  border-radius: 50%;
  color: var(--green);
  font-size: 3.5rem;
  font-weight: 800;
}

.section-block { padding: 86px 0 36px; }
.section-block > h2 { max-width: 720px; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.feature-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
}

.feature-card h3 { font-size: 1.2rem; line-height: 1.25; }
.feature-card p { margin-bottom: 0; }
.feature-number { color: var(--green); font-size: .78rem; font-weight: 850; letter-spacing: .12em; }

.story-panel {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(32px, 7vw, 100px);
  align-items: end;
  margin: 72px 0 40px;
  padding: clamp(32px, 6vw, 64px);
  background: var(--green);
  border-radius: 28px;
  color: white;
}

.story-panel .eyebrow, .story-panel p { color: rgba(255,255,255,.78); }
.story-panel h2 { margin-bottom: 0; }
.story-panel p { font-size: 1.1rem; }

.card {
  margin-top: 32px;
  padding: clamp(24px, 5vw, 40px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.notice {
  padding: 18px 20px;
  background: var(--green-soft);
  border-left: 4px solid var(--green);
  border-radius: 12px;
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.button {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--green);
  color: white;
  font-weight: 750;
  text-decoration: none;
}
.button.secondary { color: var(--green); background: var(--green-soft); }
.text-link { align-self: center; font-weight: 750; text-decoration: none; }

.privacy-card {
  display: grid;
  grid-template-columns: 1.5fr .5fr;
  gap: 40px;
  align-items: end;
}
.privacy-card h2 { margin-top: 8px; }
.privacy-card .actions { flex-direction: column; align-items: flex-start; }

.faq-list { display: grid; gap: 12px; margin-top: 38px; }
.faq-list details {
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.faq-list summary { cursor: pointer; font-weight: 750; }
.faq-list summary::marker { color: var(--green); }
.faq-list p { margin-bottom: 0; }

footer { padding: 28px 0 46px; border-top: 1px solid var(--border); color: var(--muted); font-size: .9rem; }
footer a { margin-inline: 2px; }

@media (max-width: 620px) {
  header { padding-bottom: 20px; }
  nav { float: none; margin-top: 18px; }
  main { padding-top: 48px; }
}

@media (max-width: 820px) {
  .hero, .feature-grid, .story-panel, .privacy-card { grid-template-columns: 1fr; }
  .hero { min-height: 0; }
  .bearing-card { margin-top: 8px; }
  .section-block { padding-top: 72px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

@media (prefers-contrast: more) {
  :root { --border: currentColor; }
  .feature-card, .card, .bearing-card { border-width: 2px; }
}

@media print {
  header nav, .actions { display: none; }
  body { background: white; color: black; }
  main { padding-top: 24px; }
  .card, .feature-card, .bearing-card { box-shadow: none; break-inside: avoid; }
}