:root {
  color-scheme: light;
  --ink: #142022;
  --muted: #607073;
  --paper: #f3f7f6;
  --panel: #ffffff;
  --line: #d9e4e1;
  --green: #13a66b;
  --green-dark: #08734f;
  --aqua: #0ab7bd;
  --lime: #d6f56f;
  --coral: #ff7f6e;
  --night: #101817;
}

* {
  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);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(243, 247, 246, 0.93);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 850;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #fff;
  background: var(--green-dark);
  font-size: 13px;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.site-nav a:hover,
.text-link:hover {
  color: var(--green-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  align-items: center;
  gap: clamp(32px, 7vw, 96px);
  min-height: calc(100svh - 72px);
  padding: clamp(56px, 8vw, 112px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(135deg, rgba(19, 166, 107, 0.16), rgba(10, 183, 189, 0.12) 48%, rgba(255, 127, 110, 0.12)),
    var(--paper);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: 76px;
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 46px;
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.hero-text {
  max-width: 620px;
  margin-bottom: 30px;
  color: #33484a;
  font-size: 21px;
  line-height: 1.55;
}

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

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 850;
}

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

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

.product-visual {
  display: grid;
  place-items: center;
}

.phone-shell {
  position: relative;
  width: min(100%, 328px);
  aspect-ratio: 0.55;
  padding: 28px;
  overflow: hidden;
  border: 10px solid var(--night);
  border-radius: 44px;
  background:
    linear-gradient(180deg, #ffffff, #edf9f5);
  box-shadow: 0 32px 70px rgba(20, 32, 34, 0.22);
}

.phone-top {
  width: 86px;
  height: 8px;
  margin: 0 auto 28px;
  border-radius: 99px;
  background: var(--night);
}

.connection-state {
  width: max-content;
  margin: 0 auto 28px;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--green-dark);
  background: rgba(19, 166, 107, 0.13);
  font-weight: 900;
}

.network-mark {
  position: relative;
  width: 210px;
  height: 190px;
  margin: 4px auto 34px;
}

.network-mark::before,
.network-mark::after {
  position: absolute;
  left: 42px;
  right: 42px;
  top: 94px;
  height: 4px;
  content: "";
  background: linear-gradient(90deg, var(--aqua), var(--green), var(--coral));
}

.network-mark::after {
  transform: rotate(58deg);
}

.hub,
.node {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 999px;
  box-shadow: 0 18px 32px rgba(8, 115, 79, 0.18);
}

.hub {
  inset: 50px;
  background: var(--green);
}

.hub::before {
  width: 48px;
  height: 48px;
  border: 8px solid #fff;
  border-radius: 999px;
  content: "";
}

.node {
  width: 48px;
  height: 48px;
  background: #fff;
  border: 6px solid var(--lime);
}

.node-a {
  left: 4px;
  top: 74px;
}

.node-b {
  right: 10px;
  top: 18px;
}

.node-c {
  right: 10px;
  bottom: 20px;
  border-color: var(--coral);
}

.route-list {
  display: grid;
  gap: 12px;
}

.route-list span {
  display: block;
  height: 14px;
  border-radius: 999px;
  background: #dbe9e6;
}

.route-list span:nth-child(1) {
  width: 92%;
}

.route-list span:nth-child(2) {
  width: 72%;
}

.route-list span:nth-child(3) {
  width: 84%;
}

.domain-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: #fff;
  background: var(--night);
}

.domain-strip span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.domain-strip strong {
  font-size: 18px;
}

.section {
  padding: 90px clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

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

.feature-grid article {
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border-radius: 8px;
  color: #fff;
  background: var(--green-dark);
  font-weight: 900;
}

.feature-grid p,
.privacy-band p {
  color: var(--muted);
  line-height: 1.7;
}

.privacy-band {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(260px, 0.9fr) auto;
  align-items: center;
  gap: 32px;
  padding: 64px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.privacy-band h2 {
  margin-bottom: 0;
}

.text-link {
  justify-self: end;
  min-width: max-content;
  color: var(--green-dark);
  font-weight: 900;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(20px, 5vw, 72px);
  color: #d7e5e1;
  background: var(--night);
}

.site-footer div,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.site-footer span,
.site-footer a {
  color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 920px) {
  .hero,
  .privacy-band {
    grid-template-columns: 1fr;
  }

  .product-visual {
    justify-content: start;
  }

  .privacy-band .text-link {
    justify-self: start;
  }

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

@media (max-width: 700px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    font-size: 50px;
  }

  h2 {
    font-size: 34px;
  }

  .hero-text {
    font-size: 18px;
  }

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

@media (max-width: 420px) {
  .phone-shell {
    width: 100%;
    padding: 22px;
  }

  .network-mark {
    width: 184px;
    height: 176px;
  }

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