:root {
  --ink: #102b43;
  --ink-soft: #385367;
  --muted: #6b7f8d;
  --paper: #f7f5f0;
  --paper-deep: #efede6;
  --card: #fffefa;
  --line: #d9dfdc;
  --line-dark: #c2cfcb;
  --teal: #0b8179;
  --teal-dark: #086760;
  --teal-pale: #e5f2ef;
  --aqua: #b9e1da;
  --coral: #c76a4c;
  --coral-pale: #fae9e1;
  --gold: #af7e2c;
  --gold-pale: #f8efd9;
  --violet: #855e8e;
  --violet-pale: #f2e9f2;
  --shadow: 0 18px 50px rgba(21, 48, 64, .08);
  --shadow-small: 0 8px 22px rgba(21, 48, 64, .06);
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { min-width: 320px; scroll-behavior: smooth; }

body { margin: 0; background: var(--paper); color: var(--ink); }

a { color: inherit; }

button, input, select { font: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

button { cursor: pointer; }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(11, 129, 121, .3);
  outline-offset: 3px;
}

.page-width { width: min(1160px, calc(100% - 48px)); margin-left: auto; margin-right: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(194, 207, 203, .75);
  background: rgba(247, 245, 240, .92);
  backdrop-filter: blur(14px);
}

.header-inner {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 76px;
  margin: 0 auto;
  padding: 0 max(24px, calc((100vw - 1160px) / 2));
}

.brand, .footer-brand { align-items: center; display: inline-flex; gap: 11px; text-decoration: none; }

.brand-mark {
  align-items: center;
  background: var(--ink);
  border-radius: 9px;
  color: #fff;
  display: inline-flex;
  flex: 0 0 34px;
  font-size: 11px;
  font-weight: 850;
  height: 34px;
  justify-content: center;
  letter-spacing: .06em;
  width: 34px;
}

.brand-lockup, .footer-brand > span:last-child { display: flex; flex-direction: column; }

.brand strong, .footer-brand strong { font-size: 14px; letter-spacing: -.015em; line-height: 1.15; }

.brand small, .footer-brand small { color: var(--muted); font-size: 10px; letter-spacing: .05em; margin-top: 3px; }

.site-nav { align-items: center; display: flex; gap: 25px; }

.site-nav > a { color: var(--ink-soft); font-size: 12px; font-weight: 700; text-decoration: none; }

.site-nav > a:hover { color: var(--teal-dark); }

.language-toggle {
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  color: var(--ink);
  font-size: 11px;
  font-weight: 800;
  min-height: 34px;
  padding: 0 13px;
}

.language-toggle:hover { background: var(--teal-pale); border-color: var(--aqua); color: var(--teal-dark); }

.hero {
  align-items: center;
  display: grid;
  gap: clamp(34px, 6vw, 80px);
  grid-template-columns: minmax(0, .93fr) minmax(480px, 1.07fr);
  min-height: 650px;
  padding-bottom: 72px;
  padding-top: 78px;
}

.eyebrow {
  color: var(--teal-dark);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .17em;
  margin: 0 0 16px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(42px, 5.8vw, 72px);
  letter-spacing: -.065em;
  line-height: .98;
  margin: 0;
  max-width: 590px;
}

.hero-lede {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.65;
  margin: 24px 0 0;
  max-width: 510px;
}

.hero-actions { align-items: flex-start; display: flex; flex-direction: column; gap: 13px; margin-top: 31px; }

.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 8px;
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  gap: 11px;
  justify-content: center;
  min-height: 47px;
  padding: 0 19px;
  text-decoration: none;
  transition: background .16s ease, border-color .16s ease, transform .16s ease;
}

.button:hover { transform: translateY(-2px); }

.button-primary { background: var(--teal); color: #fff; box-shadow: 0 7px 16px rgba(11, 129, 121, .16); }

.button-primary:hover { background: var(--teal-dark); }

.availability-note, .price-status {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 11px;
  gap: 8px;
  line-height: 1.4;
  margin: 0;
}

.status-dot { background: var(--coral); border-radius: 50%; display: inline-block; flex: 0 0 7px; height: 7px; width: 7px; }

.hero-visual {
  align-items: center;
  display: flex;
  min-height: 390px;
  padding: 30px 0 38px;
  position: relative;
}

.hero-visual::before {
  background: radial-gradient(circle at center, rgba(185, 225, 218, .7), rgba(185, 225, 218, 0) 68%);
  content: "";
  inset: 5% -12% 0;
  position: absolute;
}

.revision-sheet {
  background: var(--card);
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  box-shadow: var(--shadow);
  min-width: 0;
  padding: 18px 17px 16px;
  position: relative;
  transform: rotate(-3.5deg);
  width: 45%;
  z-index: 1;
}

.revision-sheet-new { transform: rotate(3.5deg); }

.sheet-topline { align-items: center; display: flex; justify-content: space-between; }

.sheet-label { color: var(--muted); font-size: 9px; font-weight: 850; letter-spacing: .13em; }

.revision-sheet-new .sheet-label { color: var(--teal-dark); }

.sheet-tag { background: var(--paper-deep); border-radius: 3px; color: var(--muted); font-size: 9px; font-weight: 800; padding: 3px 5px; }

.revision-sheet-new .sheet-tag { background: var(--teal-pale); color: var(--teal-dark); }

.sheet-title { color: var(--ink-soft); font-size: 11px; font-weight: 750; margin: 13px 0 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.revision-sheet table { border-collapse: collapse; font-size: 10px; width: 100%; }

.revision-sheet th, .revision-sheet td { border-bottom: 1px solid #edf0ed; padding: 7px 3px; text-align: left; }

.revision-sheet th { color: var(--muted); font-size: 8px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }

.revision-sheet td { color: var(--ink-soft); white-space: nowrap; }

.revision-sheet td:first-child { color: var(--ink); font-weight: 800; }

.revision-sheet tr:last-child td { border-bottom: 0; }

.sheet-muted { opacity: .57; }

.sheet-highlight td { background: var(--coral-pale); color: #8f4b37 !important; }

.diff-connector { align-items: center; display: flex; flex: 0 0 55px; flex-direction: column; gap: 8px; position: relative; z-index: 2; }

.connector-line { background: var(--aqua); height: 42px; width: 1px; }

.connector-chip { align-items: center; background: var(--teal); border: 4px solid var(--paper); border-radius: 50%; box-shadow: 0 5px 16px rgba(11, 129, 121, .2); color: #fff; display: inline-flex; font-size: 12px; font-weight: 850; height: 34px; justify-content: center; width: 34px; }

.visual-stamp { bottom: 5px; color: var(--teal-dark); font-size: 9px; font-weight: 850; letter-spacing: .14em; position: absolute; right: 2%; transform: rotate(-2deg); }

.signal-strip { align-items: center; border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); display: grid; gap: 20px; grid-template-columns: 1.3fr 1fr 1.25fr 1fr; min-height: 78px; }

.signal-strip > div { align-items: center; color: var(--ink-soft); display: flex; font-size: 11px; font-weight: 700; gap: 9px; }

.signal-strip > div + div { border-left: 1px solid var(--line); min-height: 28px; padding-left: 20px; }

.strip-dot { background: var(--teal); border-radius: 50%; box-shadow: 0 0 0 5px var(--teal-pale); height: 7px; width: 7px; }

.strip-number { color: var(--teal-dark); font-size: 12px; font-weight: 850; }

.section { padding-bottom: 112px; padding-top: 120px; }

.section-heading { align-items: end; display: flex; gap: 40px; justify-content: space-between; margin-bottom: 32px; }

.section-heading h2 { font-size: clamp(30px, 4vw, 46px); letter-spacing: -.055em; line-height: 1.02; margin: 0; max-width: 580px; }

.section-intro { color: var(--ink-soft); font-size: 13px; line-height: 1.65; margin: 0; max-width: 340px; }

.demo-panel { background: var(--card); border: 1px solid var(--line-dark); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; }

.demo-toolbar { align-items: end; background: var(--ink); color: #fff; display: flex; gap: 30px; justify-content: space-between; padding: 26px 29px 25px; }

.panel-kicker { color: var(--aqua); font-size: 9px; font-weight: 850; letter-spacing: .17em; margin-bottom: 8px; }

.demo-toolbar h3 { font-size: 22px; letter-spacing: -.035em; margin: 0; }

.demo-toolbar p { color: #b8c9d1; font-size: 12px; line-height: 1.5; margin: 7px 0 0; }

.quantity-control { align-items: flex-end; display: flex; flex-direction: column; gap: 7px; min-width: 169px; }

.quantity-control > span:first-child { color: #c6d6db; font-size: 10px; font-weight: 750; }

.quantity-input-wrap { align-items: center; display: flex; gap: 9px; }

.quantity-input-wrap input { background: #17354c; border: 1px solid #4b6978; border-radius: 6px; color: #fff; font-size: 17px; font-weight: 800; min-height: 41px; padding: 0 10px; text-align: right; width: 82px; }

.quantity-input-wrap input:hover, .quantity-input-wrap input:focus { border-color: var(--aqua); }

.quantity-input-wrap output { color: var(--aqua); font-size: 11px; font-weight: 800; min-width: 11px; }

.demo-summary { display: grid; gap: 8px; grid-template-columns: repeat(5, minmax(0, 1fr)); padding: 20px 29px 0; }

.summary-chip { border: 1px solid var(--line); border-radius: 8px; display: flex; flex-direction: column; gap: 6px; min-height: 70px; padding: 12px 13px; }

.summary-chip strong { font-size: 23px; letter-spacing: -.04em; line-height: 1; }

.summary-chip span { color: var(--muted); font-size: 10px; font-weight: 800; }

.summary-chip.status-added strong { color: var(--teal-dark); }
.summary-chip.status-removed strong { color: var(--coral); }
.summary-chip.status-changed strong { color: var(--gold); }
.summary-chip.status-unchanged strong { color: var(--ink-soft); }
.summary-chip.status-review strong { color: var(--violet); }

.demo-filters { align-items: center; display: flex; gap: 12px; justify-content: flex-end; padding: 22px 29px 13px; }

.filter-label { align-items: center; color: var(--muted); display: flex; font-size: 11px; font-weight: 750; gap: 7px; margin-right: auto; }

.filter-icon { color: var(--teal-dark); font-size: 17px; line-height: 1; }

.select-wrap select { background: var(--paper); border: 1px solid var(--line-dark); border-radius: 6px; color: var(--ink); font-size: 11px; font-weight: 750; min-height: 35px; min-width: 135px; padding: 0 9px; }

.demo-count { color: var(--muted); font-size: 10px; font-weight: 750; min-width: 66px; text-align: right; }

.demo-table-wrap { margin: 0 29px; overflow-x: auto; }

.demo-table { border-collapse: collapse; min-width: 740px; width: 100%; }

.demo-table th, .demo-table td { border-bottom: 1px solid #e9eeeb; padding: 13px 11px; text-align: left; vertical-align: top; }

.demo-table th { background: #f4f5f1; color: var(--muted); font-size: 9px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }

.demo-table th:first-child, .demo-table td:first-child { padding-left: 13px; }

.demo-table td { color: var(--ink-soft); font-size: 11px; line-height: 1.4; }

.demo-table tbody tr:hover td { background: #fbfcf9; }

.demo-table tbody tr:last-child td { border-bottom: 0; }

.part-number { color: var(--ink); font-weight: 850; white-space: nowrap; }

.qty-change { color: var(--ink); font-weight: 800; white-space: nowrap; }

.signal-copy { display: inline-flex; flex-wrap: wrap; gap: 5px; }

.changed-field { background: var(--gold-pale); border-radius: 4px; color: #87621f; font-size: 9px; font-weight: 800; padding: 3px 5px; white-space: nowrap; }

.merged-note { color: var(--teal-dark); font-size: 10px; font-weight: 800; }

.status-chip { border-radius: 999px; display: inline-flex; font-size: 9px; font-weight: 850; padding: 5px 8px; white-space: nowrap; }

.status-chip.status-added { background: var(--teal-pale); color: var(--teal-dark); }
.status-chip.status-removed { background: var(--coral-pale); color: #954a35; }
.status-chip.status-changed { background: var(--gold-pale); color: #86621e; }
.status-chip.status-unchanged { background: #edf1f0; color: var(--ink-soft); }
.status-chip.status-review { background: var(--violet-pale); color: var(--violet); }

.source-rows { color: var(--muted); font-size: 10px; white-space: nowrap; }

.review-trigger { background: transparent; border: 0; color: var(--violet); cursor: pointer; font-size: 10px; font-weight: 800; padding: 0; text-align: left; text-decoration: underline; text-decoration-color: #c7aaca; text-underline-offset: 3px; }

.review-trigger:hover { color: #5f3d66; }

.review-detail { background: var(--violet-pale); border-left: 2px solid #c7aaca; color: #6d4d73; font-size: 10px; margin-top: 8px; max-width: 280px; padding: 8px 9px; }

.review-detail p { line-height: 1.45; margin: 0; }

.review-detail p + p { border-top: 1px solid #e1d3e3; margin-top: 6px; padding-top: 6px; }

.review-detail strong { color: #5f3d66; }

.empty-demo { align-items: center; color: var(--muted); display: flex; flex-direction: column; gap: 6px; min-height: 132px; justify-content: center; text-align: center; }

.empty-demo[hidden] { display: none; }

.empty-demo strong { color: var(--ink); font-size: 12px; }

.empty-demo span { font-size: 11px; }

.demo-footer { align-items: center; border-top: 1px solid var(--line); display: flex; gap: 20px; justify-content: space-between; padding: 18px 29px 20px; }

.demo-footer p { align-items: flex-start; color: var(--muted); display: flex; font-size: 10px; gap: 7px; line-height: 1.45; margin: 0; max-width: 335px; }

.info-mark { align-items: center; border: 1px solid var(--line-dark); border-radius: 50%; color: var(--muted); display: inline-flex; flex: 0 0 15px; font-size: 9px; font-weight: 850; height: 15px; justify-content: center; margin-top: 1px; width: 15px; }

.sample-downloads { align-items: center; display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }

.download-label { color: var(--muted); font-size: 10px; font-weight: 800; }

.sample-downloads a { color: var(--teal-dark); font-size: 10px; font-weight: 800; text-underline-offset: 3px; }

.sample-downloads a:hover { color: var(--ink); }

.feature-grid { display: grid; gap: 13px; grid-template-columns: repeat(3, minmax(0, 1fr)); }

.feature-card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; min-height: 235px; padding: 24px 23px; position: relative; }

.feature-card-accent { background: var(--ink); border-color: var(--ink); color: #fff; }

.feature-index { color: var(--teal); font-size: 10px; font-weight: 850; letter-spacing: .12em; }

.feature-card-accent .feature-index { color: var(--aqua); }

.feature-card h3 { font-size: 20px; letter-spacing: -.035em; line-height: 1.1; margin: 66px 0 12px; max-width: 220px; }

.feature-card p { color: var(--ink-soft); font-size: 12px; line-height: 1.6; margin: 0; max-width: 275px; }

.feature-card-accent p { color: #c3d2d7; }

.fit-section { align-items: center; display: grid; gap: 70px; grid-template-columns: minmax(0, 1fr) minmax(280px, 360px); }

.fit-copy h2 { font-size: clamp(30px, 4vw, 45px); letter-spacing: -.055em; line-height: 1.02; margin: 0; max-width: 540px; }

.fit-copy > p:not(.eyebrow) { color: var(--ink-soft); font-size: 14px; line-height: 1.65; margin: 21px 0 25px; max-width: 560px; }

.scope-list { display: grid; gap: 12px; }

.scope-list > div { align-items: flex-start; color: var(--ink-soft); display: flex; font-size: 12px; gap: 10px; line-height: 1.45; }

.scope-mark { align-items: center; border-radius: 50%; display: inline-flex; flex: 0 0 19px; font-size: 12px; font-weight: 850; height: 19px; justify-content: center; margin-top: 1px; width: 19px; }

.scope-mark.yes { background: var(--teal-pale); color: var(--teal-dark); }

.scope-mark.no { background: var(--paper-deep); color: var(--muted); }

.price-card { background: var(--teal-pale); border: 1px solid #bfddd8; border-radius: 11px; padding: 27px 26px; }

.price-label { color: var(--teal-dark); font-size: 9px; font-weight: 850; letter-spacing: .16em; }

.price-line { align-items: baseline; display: flex; gap: 10px; margin: 12px 0 11px; }

.price-line strong { color: var(--ink); font-size: 47px; letter-spacing: -.08em; line-height: .9; }

.price-line span { color: var(--teal-dark); font-size: 11px; font-weight: 800; }

.price-card > p { color: var(--ink-soft); font-size: 12px; line-height: 1.55; margin: 0 0 22px; }

.price-status { color: var(--teal-dark); font-size: 10px; font-weight: 750; }

.price-status .status-dot { background: var(--coral); }

.faq-section { padding-bottom: 130px; }

.faq-list { border-top: 1px solid var(--line-dark); }

.faq-list details { border-bottom: 1px solid var(--line); }

.faq-list summary { align-items: center; cursor: pointer; display: flex; font-size: 14px; font-weight: 800; justify-content: space-between; list-style: none; padding: 22px 5px 22px 0; }

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after { color: var(--teal-dark); content: "+"; font-size: 22px; font-weight: 400; line-height: 1; }

.faq-list details[open] summary::after { content: "−"; }

.faq-list details p { color: var(--ink-soft); font-size: 12px; line-height: 1.65; margin: -7px 35px 23px 0; max-width: 690px; }

.site-footer { background: var(--ink); color: #fff; }

.footer-inner { align-items: center; display: flex; justify-content: space-between; min-height: 100px; }

.footer-brand small { color: #aabdc5; }

.footer-meta { align-items: center; color: #aabdc5; display: flex; font-size: 10px; gap: 20px; }

.footer-meta a { color: var(--aqua); font-weight: 800; text-decoration: none; }

.footer-meta a:hover { color: #fff; }

.sr-only { clip: rect(0, 0, 0, 0); clip-path: inset(50%); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }

@media (max-width: 980px) {
  .hero { gap: 35px; grid-template-columns: minmax(0, .9fr) minmax(390px, 1.1fr); }
  .hero h1 { font-size: clamp(42px, 6vw, 61px); }
  .signal-strip { grid-template-columns: repeat(2, 1fr); padding-bottom: 14px; padding-top: 14px; }
  .signal-strip > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .demo-summary { grid-template-columns: repeat(5, minmax(94px, 1fr)); overflow-x: auto; }
  .demo-summary .summary-chip { min-width: 94px; }
}

@media (max-width: 760px) {
  .page-width { width: min(100% - 32px, 600px); }
  .header-inner { min-height: 68px; padding: 0 16px; }
  .site-nav { gap: 13px; }
  .site-nav > a { display: none; }
  .hero { display: flex; flex-direction: column; min-height: 0; padding-bottom: 58px; padding-top: 60px; }
  .hero-copy { width: 100%; }
  .hero h1 { max-width: 520px; }
  .hero-visual { min-height: 335px; padding-top: 20px; width: 100%; }
  .revision-sheet { width: 45%; }
  .diff-connector { flex-basis: 35px; }
  .connector-line { height: 31px; }
  .visual-stamp { right: 0; }
  .signal-strip { gap: 13px 0; grid-template-columns: repeat(2, 1fr); }
  .signal-strip > div { font-size: 10px; }
  .signal-strip > div + div { padding-left: 13px; }
  .signal-strip > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .section { padding-bottom: 78px; padding-top: 78px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 18px; margin-bottom: 24px; }
  .section-intro { max-width: 470px; }
  .demo-toolbar { align-items: flex-start; flex-direction: column; padding: 23px 20px 21px; }
  .quantity-control { align-items: flex-start; }
  .demo-summary { padding-left: 20px; padding-right: 20px; }
  .demo-filters { padding-left: 20px; padding-right: 20px; }
  .demo-table-wrap { margin-left: 20px; margin-right: 20px; }
  .demo-footer { align-items: flex-start; flex-direction: column; padding-left: 20px; padding-right: 20px; }
  .sample-downloads { justify-content: flex-start; }
  .feature-grid { grid-template-columns: minmax(0, 1fr); }
  .feature-card { min-height: 190px; }
  .feature-card h3 { margin-top: 43px; }
  .fit-section { align-items: flex-start; display: flex; flex-direction: column; gap: 34px; }
  .price-card { width: min(100%, 360px); }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 19px; justify-content: center; min-height: 150px; }
  .footer-meta { align-items: flex-start; flex-direction: column; gap: 8px; }
}

@media (max-width: 430px) {
  .hero h1 { font-size: 43px; }
  .hero-visual { min-height: 290px; }
  .revision-sheet { padding: 13px 10px; }
  .revision-sheet th, .revision-sheet td { padding: 6px 2px; }
  .sheet-title { font-size: 9px; }
  .sheet-label, .sheet-tag { font-size: 7px; }
  .diff-connector { flex-basis: 24px; }
  .connector-chip { height: 28px; width: 28px; }
  .connector-line { height: 25px; }
  .visual-stamp { font-size: 7px; }
  .signal-strip > div { align-items: flex-start; flex-direction: column; gap: 5px; }
  .signal-strip > div + div { padding-left: 10px; }
}

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