:root {
  --ink: #18211e;
  --muted: #60706a;
  --line: #dfe8e3;
  --soft: #f4f8f5;
  --surface: #ffffff;
  --warm: #fbfcfa;
  --accent: #177a57;
  --accent-soft: #e8f4ed;
  --warning: #9a5a12;
  --warning-soft: #fff5e3;
  --shadow: 0 18px 48px rgba(30, 55, 43, .07);
  --radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--warm); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, select { font: inherit; }
.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -80px; z-index: 100; padding: 10px 14px; border-radius: 10px; background: var(--ink); color: #fff; text-decoration: none; }
.skip-link:focus { top: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(251, 252, 250, .9); border-bottom: 1px solid rgba(223, 232, 227, .86); backdrop-filter: blur(16px); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-icon { width: 34px; height: 34px; object-fit: contain; }
.brand-copy { display: grid; gap: 0; line-height: 1.1; }
.brand-copy strong { font-size: 1.02rem; letter-spacing: .12em; }
.brand-copy span { margin-top: 4px; color: var(--muted); font-size: .73rem; letter-spacing: .08em; text-transform: uppercase; }
.header-status { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: .82rem; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #4aaf79; box-shadow: 0 0 0 4px #e6f4eb; }
.hero { padding: 76px 0 36px; }
.eyebrow { margin: 0 0 10px; color: var(--accent); font-size: .72rem; font-weight: 760; letter-spacing: .16em; text-transform: uppercase; }
.hero-title-row { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(2.35rem, 6vw, 4.7rem); letter-spacing: -.065em; line-height: 1; }
h2 { margin-bottom: 8px; font-size: clamp(1.65rem, 3vw, 2.35rem); letter-spacing: -.045em; line-height: 1.1; }
h3 { margin-bottom: 8px; font-size: 1rem; letter-spacing: -.02em; line-height: 1.3; }
.hero-lede { max-width: 660px; margin: 24px 0 17px; color: var(--muted); font-size: clamp(1rem, 2vw, 1.17rem); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 9px; color: var(--muted); font-size: .88rem; }
.badge { display: inline-flex; align-items: center; min-height: 30px; padding: 6px 12px; border: 1px solid #badbc6; border-radius: 999px; color: var(--accent); background: var(--accent-soft); font-size: .76rem; font-weight: 740; letter-spacing: .02em; }
.hero-specs { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 50px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hero-specs > div { min-height: 104px; padding: 20px 18px 18px 0; }
.hero-specs > div + div { padding-left: 20px; border-left: 1px solid var(--line); }
.hero-specs span, dt { display: block; color: var(--muted); font-size: .78rem; font-weight: 650; letter-spacing: .02em; }
.hero-specs strong { display: block; margin-top: 9px; font-size: 1.05rem; letter-spacing: -.02em; }
.notice { display: flex; align-items: flex-start; gap: 13px; padding: 17px 19px; border: 1px solid #c8e2d2; border-radius: 14px; color: #315b46; background: #eff8f2; }
.notice p { margin: 0; font-size: .88rem; }
.notice-icon { display: grid; flex: 0 0 24px; place-items: center; width: 24px; height: 24px; border-radius: 50%; color: #fff; background: var(--accent); font-size: .82rem; font-weight: 800; }
.market-bar { display: grid; grid-template-columns: auto minmax(210px, 260px) 1fr; align-items: end; gap: 22px; padding: 52px 0 12px; }
.market-bar h2 { margin-bottom: 0; font-size: 1.35rem; }
.select-wrap select { width: 100%; min-height: 46px; padding: 0 38px 0 14px; border: 1px solid var(--line); border-radius: 11px; color: var(--ink); background: #fff; }
.market-note { margin: 0 0 12px; color: var(--muted); font-size: .86rem; }
.section { padding: 84px 0 0; }
.section-heading { display: grid; grid-template-columns: 48px 1fr; gap: 18px; align-items: start; margin-bottom: 28px; }
.section-heading .eyebrow { margin-top: 7px; }
.section-heading.full { grid-column: 1 / -1; }
.section-intro { max-width: 650px; margin: 0; color: var(--muted); }
.info-grid, .spec-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--line); }
.info-grid > div, .spec-grid > div { display: grid; grid-template-columns: minmax(145px, .74fr) 1.26fr; gap: 18px; min-height: 62px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.info-grid > div:nth-child(odd), .spec-grid > div:nth-child(odd) { padding-right: 24px; }
.info-grid > div:nth-child(even), .spec-grid > div:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--line); }
dd { margin: 0; font-size: .94rem; overflow-wrap: anywhere; }
.pending-badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 999px; color: var(--warning); background: var(--warning-soft); font-size: .74rem; font-weight: 760; white-space: nowrap; }
.two-column { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-column: 1 / -1; gap: 14px; }
.data-card, .document-card, .recycling-card, .regulatory-card { padding: 23px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.data-card p, .recycling-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.safety-card { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 28px; border: 1px solid #efd6a7; border-radius: var(--radius); background: var(--warning-soft); }
.safety-mark { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; color: #fff; background: #c57a1d; font-size: 1.35rem; font-weight: 800; }
.safety-card h3 { font-size: 1.25rem; }
.safety-card p { max-width: 800px; margin-bottom: 11px; color: #694717; font-size: .94rem; }
.safety-card p:last-child { margin-bottom: 0; }
.pending-line { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; padding-top: 8px; }
.symbol-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.symbol-card { min-height: 225px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.symbol-card p { margin: 0; color: var(--muted); font-size: .86rem; }
.symbol-bin, .symbol-letter, .symbol-voltage, .symbol-polarity { display: grid; place-items: center; width: 58px; height: 58px; margin-bottom: 20px; border-radius: 16px; color: var(--accent); background: var(--accent-soft); }
.symbol-bin { position: relative; }
.symbol-bin::before { content: ""; position: absolute; top: 16px; width: 21px; height: 25px; border: 2px solid currentColor; border-top: 0; border-radius: 0 0 4px 4px; }
.symbol-bin::after { content: "×"; position: absolute; top: 10px; right: 8px; color: #bd6a45; font-size: 22px; font-weight: 800; line-height: 1; }
.symbol-bin span { position: absolute; top: 12px; width: 27px; height: 2px; background: currentColor; }
.symbol-letter, .symbol-voltage, .symbol-polarity { font-size: .84rem; font-weight: 800; letter-spacing: -.02em; }
.symbol-voltage { font-size: 1.15rem; }
.symbol-voltage span { margin-left: 2px; font-size: .7rem; }
.symbol-polarity { font-size: 1.45rem; }
.document-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.document-card { display: flex; flex-direction: column; min-height: 218px; }
.document-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; color: var(--muted); font-size: .69rem; font-weight: 760; letter-spacing: .08em; text-transform: uppercase; }
.document-status { color: var(--accent); text-align: right; }
.document-card h3 { margin-top: 30px; font-size: 1.05rem; }
.document-card p { margin: 0 0 22px; color: var(--muted); font-size: .86rem; overflow-wrap: anywhere; }
.document-action { margin-top: auto; min-height: 40px; border: 1px solid var(--line); border-radius: 10px; color: #8a948e; background: #f3f6f4; font-size: .82rem; font-weight: 720; cursor: not-allowed; }
.recycling-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.recycling-card h3 { font-size: .96rem; }
.steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; counter-reset: steps; }
.steps li { position: relative; display: grid; grid-template-columns: 34px 1fr; gap: 14px; min-height: 122px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.steps p { margin: 0; font-size: .92rem; }
.step-number { position: relative; display: block; width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); }
.step-number::after { counter-increment: steps; content: counter(steps); position: absolute; inset: 0; display: grid; place-items: center; color: var(--accent); font-size: .82rem; font-weight: 800; }
.regulatory-card { display: grid; grid-template-columns: 1fr .8fr; gap: 32px; }
.regulation-list { display: flex; flex-wrap: wrap; align-content: start; gap: 10px; }
.regulation-list span { padding: 9px 12px; border: 1px solid #c8e2d2; border-radius: 10px; color: #2e6047; background: var(--accent-soft); font-size: .82rem; }
.regulatory-note { margin: 0; color: var(--muted); font-size: .88rem; }
.site-footer { margin-top: 104px; padding: 34px 0 54px; border-top: 1px solid var(--line); background: #f1f5f2; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; }
.footer-brand { font-weight: 800; letter-spacing: .13em; }
.footer-grid p { margin: 8px 0 0; color: var(--muted); font-size: .84rem; }
.footer-grid dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 0; }
.footer-grid dt { margin-bottom: 5px; font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; }
.footer-grid dd { font-size: .84rem; }
@media (max-width: 800px) {
  .shell { width: min(100% - 32px, 650px); }
  .hero { padding-top: 54px; }
  .hero-specs { grid-template-columns: repeat(2, 1fr); }
  .hero-specs > div:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .hero-specs > div:nth-child(4) { border-top: 1px solid var(--line); }
  .market-bar { grid-template-columns: 1fr 1fr; align-items: end; }
  .market-note { grid-column: 1 / -1; margin-top: 0; }
  .info-grid, .spec-grid, .card-grid, .recycling-grid, .steps, .document-grid { grid-template-columns: 1fr; }
  .info-grid > div, .spec-grid > div { grid-template-columns: 1fr 1.4fr; }
  .info-grid > div:nth-child(even), .spec-grid > div:nth-child(even) { padding-left: 0; border-left: 0; }
  .info-grid > div:nth-child(odd), .spec-grid > div:nth-child(odd) { padding-right: 0; }
  .symbol-grid { grid-template-columns: repeat(2, 1fr); }
  .regulatory-card, .footer-grid { grid-template-columns: 1fr; }
  .footer-grid dl { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 500px) {
  .shell { width: min(100% - 28px, 650px); }
  .header-inner { min-height: 68px; }
  .header-status { display: none; }
  .brand-copy span { font-size: .65rem; }
  h1 { font-size: 2.45rem; }
  .hero-title-row { gap: 12px; }
  .hero-specs > div { min-height: 94px; padding-top: 17px; }
  .market-bar { grid-template-columns: 1fr; gap: 12px; padding-top: 40px; }
  .section { padding-top: 64px; }
  .section-heading { grid-template-columns: 34px 1fr; gap: 12px; }
  .info-grid > div, .spec-grid > div { grid-template-columns: 1fr; gap: 5px; }
  .info-grid > div, .spec-grid > div { padding-block: 14px; }
  .safety-card { grid-template-columns: 1fr; padding: 22px; }
  .symbol-grid { gap: 10px; }
  .symbol-card { min-height: 215px; padding: 17px; }
  .symbol-bin, .symbol-letter, .symbol-voltage, .symbol-polarity { width: 48px; height: 48px; margin-bottom: 15px; }
  .document-card, .data-card, .recycling-card { padding: 19px; }
  .regulatory-card { padding: 19px; }
  .footer-grid dl { grid-template-columns: 1fr; gap: 14px; }
}