:root {
  --ink: #10131a;
  --muted: #5d6675;
  --line: #d8dde5;
  --paper: #f5f7fa;
  --white: #ffffff;
  --blue: #0c56a3;
  --blue-dark: #083765;
  --teal: #008f88;
  --steel: #e8edf3;
  --amber: #d8921f;
  --shadow: 0 22px 70px rgba(18, 31, 48, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: 0;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 74px;
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(216, 221, 229, 0.84);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  font-weight: 800;
  color: var(--blue-dark);
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: 7px solid var(--blue);
  border-right-color: var(--teal);
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px var(--white);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--blue);
}

.header-cta,
.button,
.quote-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}

.header-cta {
  padding: 0 18px;
  color: var(--white);
  background: var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
  min-height: calc(100vh - 74px);
  padding: clamp(36px, 7vw, 92px) clamp(20px, 5vw, 72px) 44px;
  background:
    linear-gradient(90deg, rgba(245, 247, 250, 1) 0%, rgba(245, 247, 250, 0.88) 41%, rgba(245, 247, 250, 0.18) 100%),
    radial-gradient(circle at 86% 20%, rgba(0, 143, 136, 0.13), transparent 34%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(44px, 6.1vw, 84px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-text {
  max-width: 620px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.62;
}

.buyer-line {
  display: grid;
  gap: 4px;
  max-width: 620px;
  margin-bottom: 28px;
  padding: 16px 18px;
  color: var(--blue-dark);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(12, 86, 163, 0.18);
  border-left: 4px solid var(--teal);
  border-radius: 8px;
}

.buyer-line strong {
  font-size: 16px;
}

.buyer-line span,
.helper-text {
  color: var(--muted);
  line-height: 1.55;
}

.helper-text {
  max-width: 720px;
  margin-top: 14px;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.button {
  min-width: 156px;
  padding: 0 22px;
}

.button.primary {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 12px 30px rgba(12, 86, 163, 0.24);
}

.button.secondary {
  color: var(--blue-dark);
  background: var(--white);
  border: 1px solid var(--line);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 700;
}

.trust-strip span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
}

.hero-media {
  align-self: stretch;
  display: flex;
  align-items: center;
  min-height: 430px;
}

.hero-media img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding: 0 clamp(20px, 5vw, 72px) 72px;
  background: var(--paper);
}

.metrics div {
  min-height: 138px;
  padding: 26px;
  background: var(--white);
  border-top: 3px solid var(--steel);
}

.metrics strong {
  display: block;
  margin-bottom: 10px;
  color: var(--blue-dark);
  font-size: 34px;
}

.metrics span {
  color: var(--muted);
  line-height: 1.5;
}

.section,
.seo-map,
.semantic-section,
.finder,
.band,
.quality,
.contact {
  padding: clamp(64px, 8vw, 108px) clamp(20px, 5vw, 72px);
}

.page-hero,
.model-hero {
  padding: clamp(64px, 8vw, 108px) clamp(20px, 5vw, 72px);
}

.page-hero {
  max-width: 1060px;
}

.page-hero h1,
.model-hero h1 {
  max-width: 880px;
  margin-bottom: 20px;
  font-size: clamp(42px, 5vw, 72px);
  line-height: 1;
}

.page-hero p,
.model-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.model-hero {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(280px, 0.55fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  background: var(--white);
}

.model-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.model-card span {
  display: block;
  margin-bottom: 16px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.model-card strong {
  display: block;
  color: var(--blue-dark);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.12;
  overflow-wrap: anywhere;
}

.model-card p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.seo-map {
  background: var(--paper);
}

.semantic-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  background: var(--white);
}

.semantic-copy h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.08;
}

.semantic-copy p {
  color: var(--muted);
  line-height: 1.68;
}

.semantic-grid {
  display: grid;
  gap: 12px;
}

.semantic-grid div {
  padding: 22px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: var(--paper);
}

.semantic-grid strong {
  display: block;
  margin-bottom: 10px;
  color: var(--blue-dark);
  font-size: 18px;
}

.semantic-grid span {
  color: var(--muted);
  line-height: 1.6;
}

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

.seo-tile {
  display: grid;
  gap: 14px;
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.seo-tile span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: var(--teal);
  border-radius: 50%;
  font-weight: 800;
}

.seo-tile strong {
  color: var(--blue-dark);
  font-size: 22px;
}

.seo-tile p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.62;
}

.finder {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(360px, 1.18fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: start;
  background: var(--white);
}

.finder-copy h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.08;
}

.finder-copy p {
  color: var(--muted);
  line-height: 1.68;
}

.finder-tool {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 18px 44px rgba(18, 31, 48, 0.08);
}

.finder-tool label {
  display: block;
  margin-bottom: 10px;
  color: var(--blue-dark);
  font-size: 14px;
  font-weight: 800;
}

.finder-tool input {
  width: 100%;
  min-height: 54px;
  margin-bottom: 16px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

.finder-results {
  display: grid;
  gap: 10px;
}

.finder-results article {
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: var(--white);
}

.finder-results strong {
  display: block;
  margin-bottom: 6px;
  color: var(--blue-dark);
  overflow-wrap: anywhere;
}

.finder-results p {
  margin-bottom: 10px;
  color: var(--muted);
  line-height: 1.55;
}

.finder-results a {
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
}

.directory-search {
  margin-bottom: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.directory-search label {
  display: block;
  margin-bottom: 10px;
  color: var(--blue-dark);
  font-size: 14px;
  font-weight: 800;
}

.directory-search input {
  width: 100%;
  min-height: 52px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading h2,
.band-copy h2,
.quality-panel h2,
.contact h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.08;
}

.section-heading p,
.band-copy p,
.quality-panel p,
.contact p,
.product-card p,
.capability-list p {
  color: var(--muted);
  line-height: 1.68;
}

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

.product-card {
  min-height: 390px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 52px;
  color: var(--white);
  background: var(--blue-dark);
  border-radius: 50%;
  font-weight: 800;
}

.product-card h3,
.capability-list h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.product-card ul {
  margin: 24px 0 0;
  padding-left: 18px;
  color: var(--blue-dark);
  line-height: 1.8;
  font-weight: 600;
}

.band {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(360px, 1.14fr);
  gap: clamp(28px, 5vw, 70px);
  background: var(--ink);
  color: var(--white);
}

.band-copy p,
.capability-list p {
  color: rgba(255, 255, 255, 0.72);
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
}

.capability-list div {
  padding: 26px;
  background: #171d27;
}

.applications {
  background: var(--white);
}

.application-grid,
.cross-table {
  display: grid;
}

.decision-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.decision-grid div {
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--teal);
  border-radius: 8px;
  background: var(--paper);
}

.decision-grid strong {
  display: block;
  margin-bottom: 12px;
  color: var(--blue-dark);
  font-size: 18px;
}

.decision-grid span {
  color: var(--muted);
  line-height: 1.6;
}

.application-grid div {
  min-height: 96px;
  display: flex;
  align-items: center;
  padding: 22px;
  color: var(--blue-dark);
  background: var(--paper);
  border-left: 4px solid var(--amber);
  font-weight: 800;
}

.cross-table {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
}

#modelDirectory {
  display: contents;
}

.table-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.15fr;
  border-top: 1px solid var(--line);
}

.table-row.model-table {
  grid-template-columns: 0.9fr 0.9fr 1.35fr 0.65fr;
}

.table-row:first-child {
  border-top: 0;
}

.table-row span {
  padding: 18px;
  color: var(--muted);
  line-height: 1.5;
  border-left: 1px solid var(--line);
  overflow-wrap: anywhere;
}

.table-row span:first-child {
  border-left: 0;
  color: var(--blue-dark);
  font-weight: 800;
}

.table-row a {
  color: var(--blue);
  font-weight: 800;
}

.table-head {
  background: var(--blue-dark);
}

.table-head span,
.table-head span:first-child {
  color: var(--white);
  font-weight: 800;
}

.quality {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 0.9fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: center;
  background: linear-gradient(135deg, #e8edf3 0%, #f8fafc 100%);
}

.quality-panel {
  max-width: 720px;
}

.quality-steps {
  display: grid;
  gap: 12px;
}

.quality-steps span {
  display: flex;
  align-items: center;
  min-height: 72px;
  padding: 0 22px;
  color: var(--blue-dark);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.spec-grid div {
  min-height: 158px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.spec-grid strong {
  display: block;
  margin-bottom: 12px;
  color: var(--blue-dark);
  font-size: 18px;
}

.spec-grid span {
  color: var(--muted);
  line-height: 1.6;
}

.faq-section {
  background: var(--white);
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 980px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 18px 20px;
}

.faq-list summary {
  color: var(--blue-dark);
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.contact {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  color: var(--white);
  background: var(--blue-dark);
}

.contact p {
  color: rgba(255, 255, 255, 0.72);
}

.quote-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  background: var(--white);
  border-radius: 8px;
}

.quote-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.quote-form input,
.quote-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px 14px;
  font: inherit;
  color: var(--ink);
  background: #fbfcfe;
}

.quote-form textarea {
  resize: vertical;
}

.quote-form button {
  border: 0;
  color: var(--white);
  background: var(--teal);
  font: inherit;
  width: 100%;
}

.form-note {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.lead-dock {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: calc(100vw - 44px);
  padding: 10px;
  border: 1px solid rgba(216, 221, 229, 0.92);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 40px rgba(18, 31, 48, 0.18);
  backdrop-filter: blur(16px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.lead-dock.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(18px);
}

.lead-dock span {
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 800;
}

.lead-dock a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  color: var(--white);
  background: var(--blue);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 30px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.76);
  background: #090c11;
}

.site-footer span:first-child {
  color: var(--white);
  font-weight: 800;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--white);
}

@media (max-width: 980px) {
  .site-header {
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .hero,
  .finder,
  .semantic-section,
  .band,
  .quality,
  .contact,
  .model-hero {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    min-height: 280px;
  }

  .hero-media img {
    max-height: 420px;
    object-fit: cover;
  }

  .metrics,
  .product-grid,
  .application-grid,
  .seo-grid,
  .spec-grid,
  .decision-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .table-row,
  .table-row.model-table {
    grid-template-columns: 1fr;
  }

  .table-row span {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .table-row span:first-child {
    border-top: 0;
  }
}

@media (max-width: 640px) {
  body {
    padding-bottom: 76px;
  }

  .site-header {
    position: static;
    gap: 12px;
    padding: 14px 16px;
  }

  .header-cta {
    width: 100%;
  }

  .hero {
    padding: 28px 16px 34px;
  }

  h1 {
    font-size: 42px;
    line-height: 1;
    overflow-wrap: anywhere;
  }

  .page-hero h1,
  .model-hero h1,
  .section-heading h2,
  .band-copy h2,
  .quality-panel h2,
  .contact h2,
  .semantic-copy h2,
  .finder-copy h2 {
    font-size: 32px;
    line-height: 1.08;
    overflow-wrap: anywhere;
  }

  .hero-text,
  .page-hero p,
  .model-hero p {
    font-size: 16px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .button {
    min-width: 0;
  }

  .section,
  .seo-map,
  .semantic-section,
  .finder,
  .band,
  .quality,
  .contact,
  .page-hero,
  .model-hero {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-media {
    min-height: 220px;
  }

  .hero-media img {
    border-radius: 6px;
  }

  .metrics {
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 46px;
  }

  .finder-tool,
  .quote-form,
  .product-card,
  .seo-tile,
  .model-card {
    padding: 20px;
  }

  .metrics,
  .product-grid,
  .capability-list,
  .application-grid,
  .seo-grid,
  .spec-grid,
  .decision-grid {
    grid-template-columns: 1fr;
  }

  .lead-dock {
    right: 12px;
    bottom: 12px;
    left: 12px;
    justify-content: space-between;
    max-width: none;
  }

  .lead-dock span {
    display: none;
  }

  .lead-dock a {
    flex: 1;
  }

  .product-card {
    min-height: auto;
  }

  .card-icon {
    margin-bottom: 28px;
  }

  .site-footer {
    flex-direction: column;
    padding-bottom: 92px;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 36px;
  }

  .main-nav {
    gap: 18px;
  }

  .trust-strip span {
    width: 100%;
  }

  .table-row span,
  .finder-results article,
  .faq-list details {
    padding: 16px;
  }
}