:root {
  --ink: #15191d;
  --muted: #59636d;
  --line: #dfe5e8;
  --paper: #fbfcfb;
  --panel: #ffffff;
  --teal: #087f7a;
  --teal-dark: #065f5a;
  --amber: #c68a2d;
  --charcoal: #20262b;
  --shadow: 0 18px 42px rgba(23, 34, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 16px clamp(20px, 4vw, 64px);
  color: #fff;
  background: rgba(17, 22, 26, 0.34);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(251, 252, 251, 0.92);
  border-bottom-color: rgba(21, 25, 29, 0.1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--teal), var(--amber));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.94rem;
  font-weight: 650;
}

.site-nav a {
  opacity: 0.86;
}

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

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

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -2;
  background-image: url("assets/hero-connectivity.png");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(12, 16, 18, 0.92) 0%, rgba(12, 16, 18, 0.72) 42%, rgba(12, 16, 18, 0.24) 78%),
    linear-gradient(0deg, rgba(12, 16, 18, 0.42), rgba(12, 16, 18, 0.08));
}

.hero-content {
  width: min(760px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 96px);
  padding-top: 80px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 5.7rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 630px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 760;
  border: 1px solid transparent;
}

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

.button-primary:hover {
  background: var(--teal-dark);
}

.button-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.proof-strip div {
  display: grid;
  gap: 4px;
  padding: 24px clamp(20px, 4vw, 56px);
  background: #fff;
}

.proof-strip strong {
  color: var(--teal);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1;
}

.proof-strip span {
  color: var(--muted);
  font-weight: 650;
}

.section,
.band,
.contact {
  padding: clamp(72px, 9vw, 128px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.22;
}

.section-heading p:last-child,
.band-copy p:last-child,
.contact p {
  color: var(--muted);
  font-size: 1.05rem;
}

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

.service-card {
  min-height: 270px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 1px 0 rgba(20, 31, 37, 0.04);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 38px;
  border-radius: 8px;
  color: var(--teal);
  background: #e7f3f1;
  font-weight: 820;
}

.service-card p,
.support-list p {
  color: var(--muted);
}

.band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: clamp(30px, 6vw, 84px);
  align-items: center;
  color: #fff;
  background: var(--charcoal);
}

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

.platform-panel {
  display: grid;
  gap: 12px;
}

.stack-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 68px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.stack-row span {
  color: rgba(255, 255, 255, 0.68);
}

.stack-row strong {
  color: #fff;
  text-align: right;
}

.split {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(28px, 6vw, 86px);
}

.support-list {
  display: grid;
  gap: 20px;
}

.support-list div {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #fff;
  background: var(--teal-dark);
}

.contact > div {
  max-width: 760px;
}

.contact .eyebrow {
  color: #f2bb62;
}

.contact p {
  color: rgba(255, 255, 255, 0.76);
}

.contact .button-primary {
  flex: 0 0 auto;
  color: var(--ink);
  background: #fff;
}

.contact .button-primary:hover {
  background: #eef7f5;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: #d9e2e0;
  background: #111518;
}

.site-footer a {
  font-weight: 700;
}

@media (max-width: 860px) {
  .site-header {
    min-height: 64px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 14px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-overlay {
    background: linear-gradient(90deg, rgba(12, 16, 18, 0.9), rgba(12, 16, 18, 0.6));
  }

  .proof-strip,
  .service-grid,
  .band,
  .split {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 520px) {
  .brand span:last-child {
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero-content {
    width: calc(100% - 32px);
    margin-left: 16px;
  }

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

  .proof-strip div,
  .service-card {
    padding: 22px;
  }
}