:root {
  --ink: #263946;
  --slate: #516575;
  --muted: #738390;
  --sky: #8ab7dc;
  --sky-soft: #dbeaf4;
  --sage: #a8bea2;
  --sage-soft: #e8f0e5;
  --stone: #f6f7f5;
  --line: #dfe8e7;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(38, 57, 70, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 8px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  width: 156px;
  min-width: 124px;
}

.brand img {
  width: auto;
  max-width: 100%;
  height: 66px;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  color: var(--slate);
  font-size: 15px;
  font-weight: 650;
}

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

.header-cta,
.button,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 7px;
  font-weight: 750;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.78fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 74px);
  padding: clamp(44px, 7vw, 86px) clamp(18px, 5vw, 72px) 34px;
  background:
    linear-gradient(120deg, rgba(219, 234, 244, 0.82), rgba(255, 255, 255, 0) 44%),
    linear-gradient(180deg, var(--white), var(--stone));
}

.eyebrow {
  margin: 0 0 12px;
  color: #5f7f8c;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(40px, 5.7vw, 70px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero-text {
  max-width: 700px;
  margin-bottom: 24px;
  color: var(--slate);
  font-size: clamp(17px, 1.65vw, 20px);
}

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

.button {
  padding: 0 22px;
}

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

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

.network-panel {
  position: relative;
  min-height: 460px;
  padding: 30px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(232, 240, 229, 0.72));
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.signal-mark {
  position: absolute;
  top: 44px;
  right: 44px;
  display: grid;
  gap: 10px;
  justify-items: center;
}

.signal-mark span {
  display: block;
  height: 12px;
  border: 5px solid var(--sage);
  border-bottom: 0;
  border-radius: 80px 80px 0 0;
}

.signal-mark span:nth-child(1) {
  width: 116px;
}

.signal-mark span:nth-child(2) {
  width: 80px;
}

.signal-mark span:nth-child(3) {
  width: 42px;
}

.route-map {
  position: absolute;
  inset: 92px 42px 118px;
}

.node,
.line {
  position: absolute;
  display: block;
}

.node {
  width: 34px;
  height: 34px;
  background: var(--white);
  border: 9px solid var(--sky);
  border-radius: 50%;
  box-shadow: 0 10px 24px rgba(38, 57, 70, 0.12);
}

.n1 {
  top: 16%;
  left: 14%;
}

.n2 {
  top: 48%;
  left: 44%;
  width: 52px;
  height: 52px;
  border-color: var(--ink);
}

.n3 {
  top: 22%;
  right: 12%;
  border-color: var(--sage);
}

.n4 {
  bottom: 7%;
  left: 22%;
  border-color: var(--sage);
}

.line {
  height: 10px;
  background: var(--sky);
  border-radius: 999px;
  transform-origin: left center;
}

.l1 {
  top: 25%;
  left: 22%;
  width: 215px;
  transform: rotate(22deg);
}

.l2 {
  top: 38%;
  left: 52%;
  width: 180px;
  background: var(--sage);
  transform: rotate(-21deg);
}

.l3 {
  top: 61%;
  left: 30%;
  width: 168px;
  background: var(--ink);
  transform: rotate(-44deg);
}

.metrics {
  position: absolute;
  right: 28px;
  bottom: 28px;
  left: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0;
}

.metrics div {
  min-width: 0;
  padding: 16px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metrics dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.metrics dd {
  margin: 5px 0 0;
  font-size: 18px;
  font-weight: 850;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.trust-strip span {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  color: var(--slate);
  font-size: 14px;
  font-weight: 800;
  text-align: center;
  border-right: 1px solid var(--line);
}

.trust-strip span:last-child {
  border-right: 0;
}

.section {
  padding: clamp(58px, 8vw, 110px) clamp(18px, 5vw, 72px);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading h2 {
  margin-bottom: 0;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 245px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.service-card:nth-child(2n) {
  background: var(--stone);
}

.service-card p,
.feature-list p,
.steps p,
.contact-copy p,
.footer p {
  color: var(--slate);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  margin-bottom: 24px;
  color: var(--ink);
  background: var(--sky-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 900;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 70px);
  padding: clamp(58px, 8vw, 108px) clamp(18px, 5vw, 72px);
  background: var(--ink);
  color: var(--white);
}

.feature-band .eyebrow,
.feature-band p {
  color: #c7d5db;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-list article {
  padding: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.process {
  background: linear-gradient(180deg, var(--stone), var(--white));
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.steps li {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.steps span {
  display: block;
  margin-bottom: 34px;
  color: var(--sage);
  font-size: 36px;
  font-weight: 900;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.72fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: start;
  padding: clamp(58px, 8vw, 110px) clamp(18px, 5vw, 72px);
  background: var(--sage-soft);
}

.contact-copy {
  max-width: 640px;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--slate);
  font-size: 14px;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid #cad7d8;
  border-radius: 7px;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  width: 100%;
  color: var(--white);
  background: var(--ink);
  border: 0;
  cursor: pointer;
  font: inherit;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 28px clamp(18px, 5vw, 72px);
  background: var(--white);
  border-top: 1px solid var(--line);
}

.footer img {
  width: 170px;
  max-height: 90px;
  object-fit: contain;
}

.footer p {
  max-width: 620px;
  margin: 0;
  text-align: right;
}

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

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .hero,
  .feature-band,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .network-panel {
    min-height: 430px;
  }

  .trust-strip,
  .solution-grid,
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: auto;
  }

  .brand {
    width: 132px;
  }

  .brand img {
    height: 58px;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 12px;
    font-size: 14px;
  }

  .nav {
    gap: 8px;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 2px;
  }

  .nav a {
    flex: 0 0 auto;
  }

  h1 {
    font-size: 42px;
  }

  .network-panel {
    min-height: 360px;
    padding: 20px;
  }

  .route-map {
    inset: 78px 20px 118px;
  }

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

  .metrics div {
    padding: 10px 12px;
  }

  .metrics dd {
    font-size: 16px;
  }

  .trust-strip,
  .solution-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .trust-strip span {
    min-height: 54px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .footer p {
    text-align: left;
  }
}
