:root {
  --navy: #0b2545;
  --blue: #1f4d78;
  --teal: #1f7a6d;
  --green: #4f7d5a;
  --ink: #1f2933;
  --muted: #5d6673;
  --line: #cad5df;
  --soft: #f4f7f6;
  --soft-blue: #e8eef5;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.45;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  background: var(--navy);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--navy);
  font-size: 16px;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

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

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.72fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  padding: clamp(34px, 6vw, 70px) clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(244, 247, 246, 0.94), rgba(255, 255, 255, 0.98)),
    var(--soft);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  color: var(--navy);
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  color: var(--navy);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.14;
  letter-spacing: 0;
}

h3 {
  color: var(--navy);
  font-size: 17px;
  line-height: 1.22;
}

.lead {
  max-width: 730px;
  color: var(--muted);
  font-size: 18px;
}

.intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 28px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  background: var(--teal);
  color: var(--white);
}

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

.snapshot {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 760px;
  margin: 0;
}

.snapshot div {
  border-left: 4px solid var(--green);
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.74);
}

.snapshot dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.snapshot dd {
  margin: 2px 0 0;
  color: var(--navy);
  font-weight: 700;
}

.capability-preview {
  margin: 0;
}

.capability-preview img {
  display: block;
  width: min(100%, 420px);
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 35px rgba(11, 37, 69, 0.14);
}

.capability-preview figcaption {
  max-width: 420px;
  margin: 10px 0 0 auto;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.band,
.proof,
.contact {
  padding: clamp(34px, 5vw, 62px) clamp(18px, 4vw, 56px);
}

.service-band {
  background: var(--white);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 26px;
}

.section-heading p:last-child {
  color: var(--muted);
  font-size: 16px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(180px, 1fr));
  gap: 14px;
}

.service-item {
  min-height: 245px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--soft);
}

.service-number {
  display: inline-flex;
  width: 36px;
  height: 28px;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border-radius: 6px;
  background: var(--soft-blue);
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
}

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

.proof {
  display: grid;
  grid-template-columns: minmax(260px, 0.45fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #f8faf9;
}

.proof-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.proof-list article {
  border-top: 4px solid var(--teal);
  padding: 16px 16px 18px;
  background: var(--white);
}

.proof-list p,
.codes-layout p,
.contact p {
  color: var(--muted);
}

.codes-band {
  background: var(--white);
}

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

.codes-list,
.buyer-list,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  background: var(--soft);
}

.codes-list h3,
.buyer-list h3 {
  margin-bottom: 8px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(280px, 0.42fr);
  gap: 28px;
  align-items: start;
  background: var(--navy);
  color: var(--white);
}

.contact h2,
.contact .eyebrow {
  color: var(--white);
}

.contact p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-panel {
  display: grid;
  gap: 8px;
  font-style: normal;
  color: var(--ink);
}

.contact-panel strong {
  color: var(--navy);
  font-size: 19px;
}

.contact-panel a {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

@media (max-width: 1100px) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-item {
    min-height: 190px;
  }
}

@media (max-width: 820px) {
  .site-header,
  .intro,
  .proof,
  .codes-layout,
  .contact {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: flex-start;
  }

  .nav {
    justify-content: flex-start;
  }

  .capability-preview img,
  .capability-preview figcaption {
    margin-left: 0;
  }

  .snapshot,
  .proof-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header {
    position: static;
  }

  .brand {
    align-items: flex-start;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .nav {
    width: 100%;
    gap: 12px;
    font-size: 13px;
  }

  h1 {
    font-size: 31px;
  }

  .lead {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }
}