:root {
  color-scheme: light;
  --ink: #0b2b22;
  --ink-soft: #33564c;
  --muted: #647871;
  --accent: #067a5b;
  --lime: #bff15a;
  --paper: #f8fbf9;
  --tint: #e7f6f0;
  --line: rgba(11, 43, 34, 0.13);
  --shadow: 0 24px 70px rgba(11, 43, 34, 0.09);
  --radius-lg: 30px;
  --radius-md: 20px;
  --measure: 70ch;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 88% 6%, rgba(191, 241, 90, 0.17), transparent 26rem), linear-gradient(180deg, #f4fbf7 0, var(--paper) 34rem);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration-thickness: from-font; text-underline-offset: 0.18em; text-decoration-skip-ink: auto; }
a:hover { color: var(--ink); }
a:focus-visible, summary:focus-visible { outline: 3px solid rgba(9, 158, 115, 0.34); outline-offset: 4px; border-radius: 6px; }
img { display: block; max-width: 100%; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header { padding: 22px 0; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.brand img { width: 42px; height: 42px; border-radius: 12px; box-shadow: 0 8px 24px rgba(11, 43, 34, 0.16); }
.brand-copy { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.brand-name { font-size: 1.08rem; font-weight: 740; letter-spacing: -0.025em; line-height: 1; }
.brand-tagline { color: var(--ink-soft); font-size: 0.58rem; font-weight: 720; letter-spacing: 0.15em; line-height: 1; text-transform: uppercase; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 6px; margin: 0; padding: 0; list-style: none; }
.nav-links a { display: inline-flex; min-height: 44px; align-items: center; padding: 0 13px; border-radius: 999px; color: var(--ink-soft); font-size: 0.94rem; font-weight: 620; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { background: rgba(255, 255, 255, 0.74); color: var(--ink); }
.hero { display: grid; min-height: 610px; align-items: center; grid-template-columns: 1.06fr 0.94fr; gap: clamp(44px, 7vw, 92px); padding: 64px 0 96px; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: 0.78rem; font-weight: 760; letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Noto Sans SC", sans-serif; line-height: 1.1; text-wrap: balance; }
h1 { max-width: 12ch; font-size: clamp(3rem, 7vw, 6.4rem); font-weight: 760; letter-spacing: -0.065em; }
h2 { font-size: clamp(1.65rem, 3.2vw, 2.6rem); font-weight: 720; letter-spacing: -0.035em; }
h3 { font-size: 1.08rem; font-weight: 700; letter-spacing: -0.012em; }
.lede { max-width: 39rem; margin: 26px 0 0; color: var(--ink-soft); font-size: clamp(1.06rem, 2vw, 1.28rem); line-height: 1.55; text-wrap: pretty; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid transparent; border-radius: 999px; background: var(--ink); color: #fff; font-weight: 690; text-decoration: none; }
.button:hover { background: #123c31; color: #fff; }
.button.secondary { border-color: var(--line); background: rgba(255, 255, 255, 0.72); color: var(--ink); }
.button.secondary:hover { background: #fff; }
.instrument { position: relative; min-height: 460px; overflow: hidden; border: 1px solid rgba(11, 43, 34, 0.08); border-radius: 42px; background: var(--ink); box-shadow: var(--shadow); color: #f6faf8; }
.instrument::before, .instrument::after { position: absolute; right: -14%; bottom: -24%; width: 92%; height: 62%; background: #dce9e3; clip-path: polygon(0 100%, 20% 64%, 35% 72%, 58% 0, 71% 53%, 100% 100%); content: ""; opacity: 0.92; }
.instrument::after { right: -28%; bottom: -8%; width: 78%; height: 55%; background: var(--lime); clip-path: polygon(0 100%, 26% 12%, 45% 56%, 100% 100%); opacity: 0.9; }
.instrument-content { position: relative; z-index: 1; padding: 42px; }
.live-label { display: inline-flex; align-items: center; gap: 9px; color: #d7e8e1; font-size: 0.84rem; font-weight: 650; }
.live-label::before { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(191, 241, 90, 0.12); content: ""; }
.reading { display: flex; align-items: baseline; gap: 12px; margin-top: 26px; font-variant-numeric: tabular-nums; }
.reading strong { font-size: clamp(5.6rem, 12vw, 9rem); font-weight: 360; letter-spacing: -0.075em; line-height: 0.9; }
.reading span { color: var(--lime); font-size: 2rem; font-weight: 520; }
.location { margin: 34px 0 0; color: #d7e8e1; font-size: 0.94rem; }
.features { padding: 28px 0 96px; }
.section-intro { max-width: 650px; margin-bottom: 34px; }
.section-intro p { margin: 15px 0 0; color: var(--ink-soft); font-size: 1.06rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { min-height: 220px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255, 255, 255, 0.78); }
.feature-card .number { display: inline-flex; width: 36px; height: 36px; align-items: center; justify-content: center; margin-bottom: 42px; border-radius: 50%; background: var(--tint); color: var(--accent); font-size: 0.82rem; font-weight: 740; font-variant-numeric: tabular-nums; }
.feature-card p { margin: 12px 0 0; color: var(--ink-soft); text-wrap: pretty; }
.trust { margin-bottom: 96px; padding: clamp(28px, 5vw, 54px); border-radius: var(--radius-lg); background: var(--ink); color: #f5faf7; }
.trust p { max-width: 62ch; margin: 17px 0 0; color: #c6d9d2; font-size: 1.05rem; }
.legal-main { padding: 70px 0 110px; }
.legal-header { max-width: var(--measure); padding-bottom: 40px; border-bottom: 1px solid var(--line); }
.legal-header h1 { max-width: 16ch; font-size: clamp(2.7rem, 6vw, 5.2rem); }
.legal-header .lede { font-size: 1.08rem; }
.meta { margin-top: 22px; color: var(--muted); font-size: 0.92rem; }
.prose { max-width: var(--measure); padding-top: 28px; }
.prose section { padding: 31px 0; border-bottom: 1px solid var(--line); }
.prose section:last-child { border-bottom: 0; }
.prose h2 { margin-bottom: 14px; font-size: 1.42rem; letter-spacing: -0.02em; }
.prose p, .prose li { color: var(--ink-soft); }
.prose p { margin: 12px 0 0; }
.prose ul, .prose ol { margin: 14px 0 0; padding-inline-start: 1.25rem; }
.prose li + li { margin-top: 8px; }
.notice { margin-top: 26px; padding: 20px 22px; border: 1px solid rgba(6, 122, 91, 0.18); border-radius: 16px; background: var(--tint); color: var(--ink-soft); }
.faq-list { max-width: var(--measure); margin-top: 30px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; min-height: 64px; align-items: center; justify-content: space-between; gap: 18px; cursor: pointer; font-weight: 680; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { color: var(--accent); content: "+"; font-size: 1.4rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 64ch; margin: 0; padding: 0 0 24px; color: var(--ink-soft); }
.contact-card { display: flex; max-width: var(--measure); align-items: center; justify-content: space-between; gap: 24px; margin-top: 48px; padding: 28px; border-radius: var(--radius-md); background: var(--ink); color: #f5faf7; }
.contact-card p { margin: 8px 0 0; color: #c6d9d2; }
.contact-card .button { flex: 0 0 auto; background: var(--lime); color: var(--ink); }
.site-footer { padding: 30px 0 42px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 0.9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: var(--ink-soft); }

@media (max-width: 820px) {
  .nav { align-items: flex-start; }
  .nav-links { flex-wrap: wrap; justify-content: flex-end; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 54px; }
  .instrument { min-height: 420px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .feature-card .number { margin-bottom: 28px; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 28px, 1120px); }
  .site-header { padding: 14px 0; }
  .nav { display: block; }
  .nav-links { justify-content: flex-start; margin-top: 12px; border-top: 1px solid var(--line); padding-top: 8px; }
  .nav-links a { padding: 0 10px; }
  .hero { padding: 42px 0 72px; }
  h1 { font-size: clamp(3rem, 16vw, 4.6rem); }
  .instrument { min-height: 365px; border-radius: 30px; }
  .instrument-content { padding: 30px; }
  .reading strong { font-size: clamp(5rem, 26vw, 7.2rem); }
  .reading span { font-size: 1.5rem; }
  .features, .legal-main { padding-bottom: 78px; }
  .contact-card, .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }