:root {
  --blue: #075caf;
  --blue-dark: #07345f;
  --green: #45ad43;
  --ink: #142033;
  --muted: #657284;
  --line: #dce4ed;
  --surface: #f6f9fb;
  --white: #ffffff;
  --amber: #d99b35;
  --shadow: 0 22px 55px rgba(8, 36, 70, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  padding: 0 clamp(20px, 5vw, 72px);
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease, height 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open,
.solid-header {
  height: 68px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 30px rgba(20, 32, 51, 0.08);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 168px;
  height: 52px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  opacity: 0.86;
}

.site-nav a:hover {
  opacity: 1;
  color: var(--green);
}

.site-nav a[aria-current="page"] {
  color: var(--green);
  opacity: 1;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

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

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

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

.hero-shade {
  background:
    linear-gradient(90deg, rgba(4, 22, 42, 0.86) 0%, rgba(4, 31, 54, 0.64) 39%, rgba(4, 31, 54, 0.18) 70%, rgba(4, 31, 54, 0.03) 100%),
    linear-gradient(0deg, rgba(4, 22, 42, 0.52), transparent 44%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(690px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 98px);
  padding: 120px 0 70px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(44px, 7vw, 78px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.05;
  letter-spacing: 0;
}

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

.hero-copy {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 2vw, 21px);
}

.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 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
}

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

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.54);
  color: var(--white);
}

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

.intro-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.metric {
  min-height: 132px;
  padding: 28px clamp(20px, 4vw, 46px);
  background: var(--white);
}

.metric strong {
  display: block;
  color: var(--blue);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-weight: 600;
}

.section {
  padding: clamp(72px, 9vw, 126px) clamp(20px, 5vw, 72px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(280px, 1fr);
  gap: clamp(24px, 6vw, 92px);
  align-items: end;
  max-width: 1180px;
  margin: 0 auto 46px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -8px;
}

.section-heading p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.section-heading.compact {
  display: block;
  max-width: 760px;
  margin-left: 0;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.solution-card {
  min-height: 252px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 24px rgba(12, 52, 88, 0.05);
}

.solution-card p,
.product-list p,
.about-content p,
.about-aside span {
  color: var(--muted);
}

.card-index {
  display: inline-block;
  margin-bottom: 54px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 800;
}

.technology-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(320px, 1fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
  padding: clamp(72px, 9vw, 126px) clamp(20px, 5vw, 72px);
  background: #0d2338;
  color: var(--white);
}

.tech-copy {
  max-width: 620px;
}

.tech-copy p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.tech-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  min-height: 390px;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 38px 38px;
}

.tech-map::before,
.tech-map::after {
  content: "";
  position: absolute;
  background: rgba(69, 173, 67, 0.55);
}

.tech-map::before {
  left: 14%;
  right: 14%;
  top: 50%;
  height: 1px;
}

.tech-map::after {
  top: 14%;
  bottom: 14%;
  left: 50%;
  width: 1px;
}

.node {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 156px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.node span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  font-weight: 700;
}

.node strong {
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.15;
}

.products {
  background: var(--surface);
}

.product-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  max-width: 1180px;
  background: var(--line);
}

.product-list article {
  min-height: 190px;
  padding: clamp(24px, 4vw, 38px);
  background: var(--white);
}

.about-band {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(260px, 390px);
  gap: clamp(28px, 6vw, 88px);
  align-items: center;
  padding: clamp(72px, 9vw, 120px) clamp(20px, 5vw, 72px);
}

.about-content {
  max-width: 840px;
}

.about-content p:not(.eyebrow) {
  font-size: 19px;
}

.about-aside {
  padding: 30px;
  border-left: 5px solid var(--green);
  background: #eef7ef;
}

.about-aside p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.about-aside strong {
  display: block;
  color: var(--blue);
  font-size: 34px;
  line-height: 1.05;
}

.about-aside span {
  display: block;
  margin-top: 18px;
}

.partner-cta-band {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: clamp(54px, 7vw, 86px) clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.partner-cta-band div {
  max-width: 840px;
}

.partner-cta-band p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.subpage-hero {
  overflow: hidden;
  padding: 138px clamp(20px, 5vw, 72px) 78px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(7, 52, 95, 0.96), rgba(6, 88, 76, 0.88)),
    url("assets/rural-4g-hero.png") center / cover;
}

.subpage-copy {
  width: min(980px, 100%);
}

.subpage-copy h1 {
  max-width: 940px;
  font-size: clamp(40px, 6vw, 72px);
}

.subpage-copy p:not(.eyebrow) {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(17px, 2vw, 21px);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.partner-grid article {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 24px rgba(12, 52, 88, 0.05);
}

.partner-grid p {
  color: var(--muted);
}

.featured-partner-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(260px, 1fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: center;
  padding: clamp(70px, 9vw, 116px) clamp(20px, 5vw, 72px);
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-dark), #0c6b4c);
}

.featured-partner-copy {
  max-width: 680px;
}

.featured-partner-copy p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.featured-partner-copy .button {
  width: fit-content;
  margin-top: 18px;
}

.partner-signal {
  position: relative;
  min-height: 300px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background:
    radial-gradient(circle at center, rgba(69, 173, 67, 0.28), transparent 34%),
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: auto, 36px 36px, 36px 36px;
  overflow: hidden;
}

.partner-signal span {
  position: absolute;
  inset: 50%;
  width: 82px;
  height: 82px;
  border: 2px solid rgba(255, 255, 255, 0.36);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.partner-signal span:nth-child(2) {
  width: 170px;
  height: 170px;
  border-color: rgba(69, 173, 67, 0.46);
}

.partner-signal span:nth-child(3) {
  width: 260px;
  height: 260px;
  border-color: rgba(255, 255, 255, 0.16);
}

.regional-telecoms {
  background: var(--surface);
}

.country-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  max-width: 1180px;
  margin: 0 auto;
}

.country-grid article {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 24px rgba(12, 52, 88, 0.05);
}

.country-grid ul {
  display: grid;
  gap: 9px;
  margin: 22px 0 0;
  padding: 0;
  color: var(--muted);
  font-weight: 600;
  list-style: none;
}

.partner-model-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 84px);
  padding: clamp(70px, 9vw, 116px) clamp(20px, 5vw, 72px);
  color: var(--white);
  background: #0d2338;
}

.model-list {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
}

.model-list div {
  padding: 26px;
  background: rgba(255, 255, 255, 0.08);
}

.model-list strong,
.model-list span {
  display: block;
}

.model-list strong {
  font-size: 20px;
}

.model-list span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(300px, 1fr);
  gap: clamp(28px, 6vw, 84px);
  padding: clamp(64px, 8vw, 110px) clamp(20px, 5vw, 72px);
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-dark), #0b6546 100%);
}

.contact-actions {
  display: grid;
  gap: 12px;
}

.contact-actions a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.contact-actions span {
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-actions strong {
  text-align: right;
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

@media (max-width: 980px) {
  .intro-band,
  .solution-grid,
  .product-list,
  .partner-grid,
  .country-grid,
  .technology-band,
  .about-band,
  .contact-section,
  .partner-cta-band,
  .featured-partner-band,
  .partner-model-band,
  .section-heading {
    grid-template-columns: 1fr 1fr;
  }

  .section-heading {
    align-items: start;
  }

  .technology-band,
  .about-band,
  .contact-section,
  .partner-cta-band,
  .featured-partner-band,
  .partner-model-band,
  .section-heading {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    height: 66px;
    padding: 0 18px;
  }

  .brand {
    min-width: 128px;
    height: 46px;
    font-size: 20px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .menu-toggle {
    display: block;
    color: currentColor;
  }

  .site-nav {
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 18px 18px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 20px 34px rgba(20, 32, 51, 0.1);
  }

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

  .site-nav a {
    padding: 14px 0;
    border-top: 1px solid var(--line);
  }

  .hero {
    min-height: 820px;
    align-items: flex-end;
  }

  .hero-media {
    object-position: 62% 50%;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(4, 22, 42, 0.92) 0%, rgba(4, 22, 42, 0.74) 58%, rgba(4, 22, 42, 0.28) 100%);
  }

  .hero-content {
    width: min(342px, calc(100vw - 48px));
    max-width: calc(100vw - 48px);
    margin: 0 18px;
    padding-bottom: 52px;
  }

  h1 {
    font-size: clamp(38px, 10vw, 44px);
    line-height: 0.98;
  }

  h2 {
    font-size: 28px;
    line-height: 1.12;
  }

  .hero-copy {
    max-width: 100%;
    font-size: 16px;
    line-height: 1.55;
  }

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

  .button {
    width: 100%;
  }

  .intro-band,
  .solution-grid,
  .product-list,
  .partner-grid,
  .country-grid {
    grid-template-columns: 1fr;
  }

  .metric {
    min-height: 108px;
  }

  .tech-map {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .tech-map::before,
  .tech-map::after {
    display: none;
  }

  .contact-actions a {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-actions strong {
    text-align: left;
  }

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

  .subpage-hero {
    padding: 118px 24px 64px;
  }

  .subpage-copy {
    width: min(342px, calc(100vw - 48px));
  }

  .subpage-copy h1 {
    max-width: 100%;
    font-size: 32px;
    line-height: 1.05;
  }

  .subpage-copy p:not(.eyebrow) {
    max-width: 100%;
    font-size: 16px;
    line-height: 1.55;
  }

  .section-heading,
  .partner-grid,
  .country-grid {
    max-width: 342px;
    margin-left: 0;
    margin-right: 0;
  }

  .featured-partner-copy .button {
    width: 100%;
  }

  .partner-signal {
    min-height: 220px;
  }
}