:root {
  color-scheme: light;
  --blue: #045290;
  --blue-dark: #02365f;
  --blue-soft: #e5f1f8;
  --ink: #12211f;
  --muted: #5d6f6c;
  --line: #d5dfde;
  --surface: #ffffff;
  --soft: #f4f7f7;
  --steel: #dfe8e7;
  --gold: #b9872e;
  --green: #47745a;
  --shadow: 0 26px 70px rgba(4, 82, 144, 0.15);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(4, 82, 144, 0.08), rgba(4, 82, 144, 0) 360px),
    #f7f9f9;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid #79acd0;
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  color: #fff;
  background: rgba(4, 82, 144, 0.98);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(14px);
}

.brand,
.site-header nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand {
  font-weight: 900;
  text-decoration: none;
}

.brand img {
  width: 154px;
  height: auto;
}

.brand span {
  padding-left: 18px;
  border-left: 1px solid rgba(255, 255, 255, 0.28);
}

.site-header nav a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.94rem;
  font-weight: 800;
  text-decoration: none;
}

.site-header nav a:hover {
  color: #fff;
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 430px);
  align-items: end;
  gap: 36px;
  padding: 106px max(24px, calc((100vw - var(--max)) / 2)) 68px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(2, 54, 95, 0.92), rgba(2, 54, 95, 0.68) 48%, rgba(2, 54, 95, 0.2)),
    url("../img/hero-h80.jpg") center / cover;
}

.hero-copy {
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.opening h2,
.section-heading h2,
.signature-feature h2,
.deployment-copy h2,
.terrain-section h2,
.lifecycle-section h2,
.adoption-section h2 {
  margin: 0;
  line-height: 1.04;
}

.hero h1 {
  max-width: 900px;
  font-size: clamp(2.65rem, 6vw, 6.7rem);
}

.hero-copy > p:not(.eyebrow) {
  max-width: 700px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.06rem, 1.6vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button-primary,
.button-secondary {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 6px;
  font-weight: 900;
  text-decoration: none;
}

.button-primary {
  color: var(--blue-dark);
  background: #fff;
}

.button-secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.52);
}

.hero-proof {
  display: grid;
  gap: 12px;
}

.hero-proof div {
  padding: 18px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-proof span,
.standard-table strong,
.crate-metrics span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-proof strong {
  display: block;
  margin-top: 6px;
  color: var(--blue);
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1;
}

.hero-proof p {
  margin: 8px 0 0;
  color: var(--ink);
  font-weight: 800;
}

.opening,
.difference,
.signature-feature,
.proof-section,
.deployment-section,
.workflow,
.terrain-section,
.applications-section,
.standards-section,
.lifecycle-section,
.adoption-section {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.opening {
  display: grid;
  grid-template-columns: minmax(280px, 0.88fr) minmax(0, 1fr);
  gap: 18px;
  padding: 92px 0 64px;
}

.opening h2,
.section-heading h2,
.signature-feature h2,
.deployment-copy h2,
.terrain-section h2,
.lifecycle-section h2,
.adoption-section h2 {
  font-size: clamp(2.05rem, 4vw, 4.1rem);
}

.opening-card {
  display: grid;
  align-content: center;
  gap: 20px;
  min-height: 520px;
  padding: 34px;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(2, 54, 95, 0.94), rgba(4, 82, 144, 0.82)),
    url("../img/logistics.jpg") center / cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.opening-card .eyebrow {
  color: #d6a64a;
}

.opening-card p:not(.eyebrow) {
  max-width: 560px;
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.04rem;
}

.response-chain {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.response-chain div {
  min-height: 254px;
  display: grid;
  align-content: space-between;
  gap: 16px;
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(4, 82, 144, 0.08), rgba(255, 255, 255, 0) 55%),
    #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.response-chain span {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #fff;
  background: var(--blue);
  border-radius: 999px;
  font-weight: 900;
}

.response-chain strong {
  display: block;
  color: var(--blue-dark);
  font-size: 1.28rem;
}

.response-chain p,
.signature-feature p,
.deployment-copy p,
.terrain-copy p,
.proof-card p,
.workflow-step p,
.application-columns p,
.standard-table span,
.lifecycle-section p,
.adoption-section p {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.difference,
.proof-section,
.terrain-section,
.applications-section,
.standards-section {
  padding: 54px 0;
}

.section-heading {
  max-width: 830px;
  margin-bottom: 26px;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.pillar-grid article,
.proof-card,
.workflow-step,
.terrain-copy,
.standard-table div {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.pillar-grid article {
  min-height: 330px;
  padding: 26px;
  box-shadow: 0 14px 34px rgba(4, 82, 144, 0.08);
}

.pillar-grid span,
.workflow-step span {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 36px;
  color: #fff;
  background: var(--blue);
  border-radius: 999px;
  font-weight: 900;
}

.pillar-grid h3,
.proof-card h3,
.workflow-step h3,
.terrain-copy h3,
.application-columns h3,
.standard-table strong,
.lifecycle-section h2,
.adoption-section h2 {
  color: var(--blue-dark);
}

.pillar-grid h3,
.proof-card h3,
.workflow-step h3,
.terrain-copy h3,
.application-columns h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
}

.pillar-grid p {
  margin: 0;
  color: var(--muted);
}

.signature-feature,
.deployment-section,
.lifecycle-section {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: 42px;
  align-items: center;
  padding: 70px 0;
}

.signature-feature > div,
.deployment-copy,
.lifecycle-section > div {
  display: grid;
  gap: 18px;
}

.engineered-image {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--blue-dark);
  border: 1px solid rgba(4, 82, 144, 0.18);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.engineered-image img {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  filter: saturate(0.84) contrast(1.08);
}

.engineered-image::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(180deg, transparent 42%, rgba(2, 54, 95, 0.5));
  background-size: 44px 44px, 44px 44px, auto;
  mix-blend-mode: overlay;
  opacity: 0.68;
}

.engineered-image figcaption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 1;
  max-width: calc(100% - 36px);
  padding: 9px 11px;
  color: #fff;
  background: rgba(2, 54, 95, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 900;
}

.detail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 4px;
}

.detail-list span {
  padding: 12px;
  color: var(--blue-dark);
  background: var(--blue-soft);
  border: 1px solid rgba(4, 82, 144, 0.16);
  border-radius: 6px;
  font-weight: 900;
}

.proof-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.proof-card {
  padding: 24px;
}

.proof-card.large {
  grid-row: span 3;
  padding: 0;
  overflow: hidden;
}

.proof-card.large div {
  padding: 24px;
}

.proof-card.large .engineered-image {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.proof-card.large .engineered-image img {
  min-height: 390px;
}

.logistics-panel {
  display: grid;
  gap: 16px;
}

.crate-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.crate-metrics div {
  min-height: 94px;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 14px;
  color: #fff;
  background: var(--blue);
  border-radius: 8px;
}

.crate-metrics div:nth-child(2) {
  background: var(--green);
}

.crate-metrics div:nth-child(3) {
  background: var(--blue-dark);
}

.crate-metrics div:nth-child(4) {
  background: var(--gold);
}

.crate-metrics strong {
  font-size: 1.35rem;
}

.crate-metrics span {
  color: rgba(255, 255, 255, 0.86);
}

.workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 20px 0 68px;
}

.workflow-step {
  min-height: 260px;
  padding: 22px;
}

.terrain-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.terrain-copy {
  min-height: 320px;
  display: grid;
  align-content: center;
  padding: 30px;
}

.terrain-visual .engineered-image,
.terrain-visual img {
  height: 100%;
}

.applications-section {
  padding-bottom: 80px;
}

.application-columns {
  display: grid;
  gap: 18px;
}

.application-columns article {
  display: grid;
  grid-template-columns: minmax(240px, 0.42fr) minmax(0, 1fr);
  gap: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.application-columns img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.05);
}

.application-columns div {
  display: grid;
  align-content: center;
  padding: 28px;
}

.standards-section {
  padding-top: 78px;
  border-top: 1px solid var(--line);
}

.standard-table {
  display: grid;
  gap: 10px;
}

.standard-table div {
  display: grid;
  grid-template-columns: minmax(230px, 0.34fr) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 20px;
}

.standard-table strong {
  font-size: 1rem;
}

.lifecycle-section {
  border-top: 1px solid var(--line);
}

.adoption-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: center;
  padding: 44px 0 96px;
}

.adoption-copy {
  display: grid;
  gap: 16px;
  padding: 34px;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(2, 54, 95, 0.96), rgba(4, 82, 144, 0.86)),
    url("../img/installation-water.jpg") center / cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.adoption-copy .eyebrow {
  color: #d6a64a;
}

.adoption-copy h2 {
  color: #fff;
}

.adoption-copy p {
  color: rgba(255, 255, 255, 0.88);
}

.trust-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 42px rgba(4, 82, 144, 0.08);
}

.trust-stat {
  min-height: 132px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 18px;
  background: var(--blue-soft);
  border: 1px solid rgba(4, 82, 144, 0.14);
  border-radius: 6px;
}

.trust-stat strong {
  color: var(--blue);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
}

.trust-stat span {
  color: var(--blue-dark);
  font-size: 0.86rem;
  font-weight: 900;
  text-transform: uppercase;
}

.adoption-tags {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.adoption-tags span {
  min-height: 86px;
  display: grid;
  place-items: center;
  padding: 14px;
  text-align: center;
  color: var(--blue-dark);
  background: var(--blue-soft);
  border: 1px solid rgba(4, 82, 144, 0.16);
  border-radius: 8px;
  font-weight: 900;
}

.not-found {
  min-height: 100vh;
  width: min(100% - 32px, 720px);
  margin: 0 auto;
  display: grid;
  align-content: center;
}

@media (max-width: 1020px) {
  .site-header,
  .site-header nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header {
    position: static;
    padding: 18px 24px;
  }

  .site-header nav {
    gap: 10px;
  }

  .hero,
  .opening,
  .pillar-grid,
  .signature-feature,
  .proof-layout,
  .deployment-section,
  .workflow,
  .terrain-grid,
  .application-columns article,
  .standard-table div,
  .lifecycle-section,
  .adoption-section,
  .trust-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 72px;
  }

  .proof-card.large {
    grid-row: auto;
  }

  .application-columns img {
    min-height: 280px;
  }
}

@media (max-width: 660px) {
  .brand {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .brand span {
    padding-left: 0;
    border-left: 0;
  }

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

  .button-primary,
  .button-secondary {
    width: 100%;
  }

  .detail-list,
  .crate-metrics,
  .adoption-tags {
    grid-template-columns: 1fr;
  }

  .adoption-copy {
    padding: 26px;
  }

  .engineered-image img {
    min-height: 300px;
  }
}