:root {
  --ink: #17212b;
  --muted: #5b6773;
  --line: #d8e1e6;
  --panel: #f5f8fa;
  --white: #ffffff;
  --brand: #0f6f8c;
  --brand-dark: #0b4256;
  --accent: #69b8a6;
  --warning: #c5822a;
  --shadow: 0 20px 60px rgba(15, 37, 50, 0.16);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  letter-spacing: 0;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: var(--white);
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled,
.site-header.open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 30px rgba(25, 44, 57, 0.12);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 190px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 8px;
  font-weight: 800;
}

.brand strong {
  display: block;
  font-size: 16px;
  line-height: 1.05;
}

.brand small {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  color: currentColor;
  opacity: 0.72;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  opacity: 0.88;
}

.site-nav a:hover {
  opacity: 1;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  background: var(--white);
  color: var(--brand-dark);
}

.site-header.scrolled .nav-cta,
.site-header.open .nav-cta {
  color: var(--white);
  background: var(--brand-dark);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid currentColor;
  border-radius: 8px;
  color: inherit;
  background: transparent;
}

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  color: var(--white);
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(9, 24, 33, 0.86) 0%, rgba(9, 24, 33, 0.68) 38%, rgba(9, 24, 33, 0.16) 75%),
    linear-gradient(180deg, rgba(10, 22, 29, 0.2) 0%, rgba(10, 22, 29, 0.68) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 92vh;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 116px 0 52px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 0.98;
  font-weight: 800;
}

.hero-copy {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.55;
}

.hero-actions,
.resource-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button svg,
.site-nav svg,
.application-grid svg,
.product-card svg,
.check-list svg,
.resource-link svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.1;
}

.button.primary {
  color: var(--white);
  background: var(--brand);
  box-shadow: 0 14px 30px rgba(15, 111, 140, 0.25);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.button.full {
  width: 100%;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: min(920px, 100%);
  margin-top: 44px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.proof-strip span {
  min-height: 76px;
  padding: 17px 16px;
  background: rgba(8, 22, 29, 0.32);
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.proof-strip strong {
  display: block;
  margin-bottom: 4px;
  color: var(--white);
  font-size: 18px;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 86px 0;
}

.intro-section {
  padding-top: 72px;
}

.intro-grid,
.section-heading,
.inquiry-section {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

.section-heading.compact {
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.6fr);
  align-items: end;
}

h2 {
  margin: 0;
  color: #152b38;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
}

h3 {
  margin: 0;
  color: #17212b;
  font-size: 20px;
}

p {
  line-height: 1.65;
}

.intro-grid p,
.section-heading p,
.resource-panel p,
.inquiry-copy p {
  color: var(--muted);
  font-size: 16px;
}

.metric-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.metric-band div {
  min-height: 112px;
  padding: 22px;
  border-right: 1px solid var(--line);
}

.metric-band div:last-child {
  border-right: 0;
}

.metric-band strong {
  display: block;
  color: var(--brand-dark);
  font-size: 30px;
  line-height: 1;
}

.metric-band span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.product-section,
.resources {
  width: 100%;
  padding-right: max(18px, calc((100vw - 1180px) / 2));
  padding-left: max(18px, calc((100vw - 1180px) / 2));
  background: #eef5f6;
}

.segment-control {
  display: inline-flex;
  justify-self: end;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.segment-control button {
  min-height: 38px;
  padding: 0 13px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-weight: 750;
}

.segment-control button.active {
  color: var(--white);
  background: var(--brand-dark);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 420px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 12px 30px rgba(21, 51, 65, 0.08);
}

.product-card.hidden {
  display: none;
}

.product-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-card p {
  color: var(--muted);
  font-size: 14px;
}

.product-card dl {
  margin: auto 0 20px;
  border-top: 1px solid var(--line);
}

.product-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.product-card dt {
  color: var(--muted);
  font-size: 12px;
}

.product-card dd {
  margin: 0;
  text-align: right;
  font-size: 12px;
  font-weight: 750;
}

.product-card a {
  color: var(--brand-dark);
  font-weight: 850;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.application-grid article {
  min-height: 250px;
  padding: 24px;
  border-top: 4px solid var(--brand);
  background: var(--panel);
}

.application-grid svg {
  width: 28px;
  height: 28px;
  margin-bottom: 28px;
  color: var(--brand);
}

.application-grid p {
  color: var(--muted);
  font-size: 14px;
}

.compare-section {
  padding-top: 28px;
}

.comparison {
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.compare-row {
  display: grid;
  grid-template-columns: 0.75fr 0.95fr 1fr;
  border-bottom: 1px solid var(--line);
}

.compare-row:last-child {
  border-bottom: 0;
}

.compare-row span {
  padding: 18px;
  color: var(--muted);
  line-height: 1.5;
  border-right: 1px solid var(--line);
}

.compare-row span:last-child {
  border-right: 0;
}

.compare-row span:first-child {
  color: var(--ink);
  font-weight: 800;
}

.compare-row span:nth-child(3) {
  color: var(--brand-dark);
  background: #f0f8f7;
  font-weight: 700;
}

.compare-head span {
  color: var(--white);
  background: var(--brand-dark);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.resource-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
  padding: 34px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.resource-actions {
  margin-top: 0;
}

.resource-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--brand-dark);
  font-weight: 850;
  background: #f8fbfc;
}

.inquiry-section {
  align-items: center;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--brand-dark);
  font-weight: 750;
}

.inquiry-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 18px 45px rgba(28, 62, 78, 0.1);
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 850;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid #c8d5dc;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
}

.inquiry-form input,
.inquiry-form select {
  min-height: 46px;
  padding: 0 12px;
}

.inquiry-form textarea {
  resize: vertical;
  padding: 12px;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  outline: 3px solid rgba(15, 111, 140, 0.18);
  border-color: var(--brand);
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.form-note.success {
  color: var(--brand-dark);
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(18px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.78);
  background: #0d2430;
}

.site-footer strong {
  display: block;
  color: var(--white);
  margin-bottom: 4px;
}

.footer-links {
  display: flex;
  gap: 18px;
  align-items: center;
  font-weight: 700;
}

@media (max-width: 1040px) {
  .product-grid,
  .application-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  .site-header {
    min-height: 68px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    color: var(--ink);
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .nav-cta {
    justify-content: center;
    color: var(--white);
    background: var(--brand-dark);
  }

  .hero,
  .hero-content {
    min-height: 760px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(9, 24, 33, 0.9), rgba(9, 24, 33, 0.58)),
      linear-gradient(180deg, rgba(10, 22, 29, 0.22), rgba(10, 22, 29, 0.78));
  }

  .intro-grid,
  .section-heading,
  .section-heading.compact,
  .inquiry-section,
  .resource-panel {
    grid-template-columns: 1fr;
  }

  .segment-control,
  .resource-actions {
    justify-self: start;
  }

  .metric-band {
    grid-template-columns: 1fr;
  }

  .metric-band div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-band div:last-child {
    border-bottom: 0;
  }

  .compare-row {
    grid-template-columns: 1fr;
  }

  .compare-row span {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .compare-row span:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 620px) {
  .hero h1 {
    font-size: 39px;
  }

  .hero-actions,
  .resource-actions {
    flex-direction: column;
  }

  .proof-strip,
  .product-grid,
  .application-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 62px;
    padding-bottom: 62px;
  }

  .segment-control {
    width: 100%;
    overflow-x: auto;
  }

  .segment-control button {
    white-space: nowrap;
  }

  .site-footer {
    flex-direction: column;
  }

  .footer-links {
    flex-direction: column;
    align-items: flex-start;
  }
}