:root {
  --canvas: #f5f7fc;
  --surface: #ffffff;
  --ink: #111827;
  --muted: #5e6a7d;
  --line: #dce3ee;
  --blue: #315cff;
  --violet: #6657f5;
  --aqua: #21bfae;
  --night: #070b14;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.shell {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 760;
  letter-spacing: -0.025em;
}

.brand-mark {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--blue), var(--violet) 55%, var(--aqua));
  box-shadow: 0 10px 24px rgb(49 92 255 / 24%);
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  content: "";
  border-radius: 999px;
  background: white;
}

.brand-mark::before {
  width: 18px;
  height: 3px;
  left: 10px;
  top: 18px;
  box-shadow: 0 -7px 0 -1px rgb(255 255 255 / 88%);
}

.brand-mark::after {
  width: 7px;
  height: 7px;
  left: 16px;
  top: 15px;
  box-shadow:
    -8px 0 0 -1px rgb(255 255 255 / 92%),
    8px 0 0 -1px rgb(255 255 255 / 92%);
}

.nav-links {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 55px;
  align-items: center;
  min-height: 650px;
  padding-block: 55px 95px;
}

.eyebrow {
  color: var(--aqua);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

h1,
h2 {
  margin: 0;
  letter-spacing: -0.048em;
  line-height: 1;
}

.hero h1 {
  margin-top: 16px;
  font-size: clamp(54px, 7vw, 84px);
}

.hero h1 span {
  display: block;
  background: linear-gradient(90deg, var(--blue), var(--violet), var(--aqua));
  color: transparent;
  background-clip: text;
  -webkit-background-clip: text;
}

.lede {
  max-width: 600px;
  margin: 27px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.6;
}

.actions {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding-inline: 22px;
  border-radius: 16px;
  background: var(--blue);
  color: white;
  font-size: 15px;
  font-weight: 750;
  box-shadow: 0 14px 34px rgb(49 92 255 / 25%);
}

.text-link {
  color: var(--blue);
  font-size: 15px;
  font-weight: 720;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 29px;
}

.trust-row span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(255 255 255 / 72%);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.signal-stage {
  position: relative;
  min-height: 470px;
  overflow: hidden;
  border-radius: 34px;
  background:
    radial-gradient(circle at 82% 10%, rgb(33 191 174 / 14%), transparent 34%),
    radial-gradient(circle at 10% 88%, rgb(102 87 245 / 18%), transparent 35%),
    var(--night);
  box-shadow: 0 30px 80px rgb(7 11 20 / 22%);
}

.signal-line {
  position: absolute;
  inset: 85px 42px auto;
  height: 155px;
}

.signal-line::before {
  position: absolute;
  inset: 72px 0 auto;
  height: 4px;
  content: "";
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), var(--violet), var(--aqua));
  box-shadow: 0 0 20px rgb(80 105 255 / 70%);
}

.node {
  position: absolute;
  top: 51px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgb(255 255 255 / 42%);
  border-radius: 50%;
  background: #101827;
  color: white;
  font-size: 11px;
  font-weight: 800;
  box-shadow: 0 0 0 10px rgb(113 134 255 / 10%);
}

.node:nth-child(1) {
  left: 0;
}

.node:nth-child(2) {
  left: calc(50% - 23px);
}

.node:nth-child(3) {
  right: 0;
  background: linear-gradient(145deg, var(--blue), var(--aqua));
}

.node b {
  position: absolute;
  top: 58px;
  width: 92px;
  color: #a4aec2;
  font-size: 12px;
  text-align: center;
}

.case-card {
  position: absolute;
  inset: auto 30px 30px;
  padding: 23px;
  border: 1px solid rgb(255 255 255 / 13%);
  border-radius: 23px;
  background: rgb(16 24 39 / 92%);
  color: white;
}

.case-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  content: "";
  border-radius: 23px 23px 0 0;
  background: linear-gradient(90deg, var(--blue), var(--violet), var(--aqua));
}

.case-card small {
  color: #a4aec2;
}

.case-card strong {
  display: block;
  margin-top: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.case-data {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 22px;
  color: #8793a9;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.case-data span {
  padding: 10px;
  border-radius: 11px;
  background: rgb(255 255 255 / 5%);
}

.case-data b {
  display: block;
  margin-top: 5px;
  color: white;
  font-size: 12px;
  text-transform: none;
}

.features {
  padding-block: 110px;
}

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

.section-heading h2,
.privacy-band h2,
.policy-hero h1 {
  margin-top: 15px;
  font-size: clamp(42px, 5vw, 62px);
}

.section-heading p {
  color: var(--muted);
  font-size: 18px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 46px;
}

.feature-grid article,
.policy-section {
  padding: 29px;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: var(--surface);
  box-shadow: 0 15px 40px rgb(17 24 39 / 5%);
}

.feature-grid h3 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.025em;
}

.feature-grid p,
.policy-section p,
.policy-section li {
  color: var(--muted);
  line-height: 1.7;
}

.privacy-band {
  padding-block: 105px;
  background:
    radial-gradient(circle at 15% 30%, rgb(102 87 245 / 19%), transparent 32%),
    radial-gradient(circle at 90% 80%, rgb(33 191 174 / 14%), transparent 34%),
    var(--night);
  color: white;
}

.privacy-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 75px;
  align-items: end;
}

.privacy-copy {
  color: #b5bfd1;
  font-size: 17px;
  line-height: 1.7;
}

.privacy-copy a {
  color: #91a0ff;
  font-weight: 720;
}

.site-footer {
  padding-block: 38px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.policy-hero {
  padding-block: 72px 52px;
}

.policy-hero p {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.policy-meta {
  display: inline-block;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgb(49 92 255 / 8%);
  color: var(--blue);
  font-size: 12px;
  font-weight: 750;
}

.policy-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  gap: 52px;
  align-items: start;
  padding-bottom: 100px;
}

.policy-aside {
  position: sticky;
  top: 26px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: white;
}

.policy-aside strong {
  font-size: 13px;
}

.policy-aside p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.policy-sections {
  display: grid;
  gap: 15px;
}

.policy-section h2 {
  font-size: 21px;
  letter-spacing: -0.025em;
}

.policy-section a {
  color: var(--blue);
  font-weight: 700;
}

@media (max-width: 880px) {
  .hero,
  .privacy-grid {
    grid-template-columns: 1fr;
  }

  .policy-layout {
    grid-template-columns: 1fr;
  }

  .policy-aside {
    position: static;
  }
}

@media (max-width: 640px) {
  .shell {
    width: calc(100% - 28px);
  }

  .nav-links a:first-child {
    display: none;
  }

  .nav-links {
    gap: 15px;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    padding-block: 48px 70px;
  }

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

  .signal-stage {
    min-height: 445px;
  }

  .case-card {
    inset-inline: 18px;
  }

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

  .features,
  .privacy-band {
    padding-block: 82px;
  }

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

  .policy-hero {
    padding-top: 50px;
  }

  .policy-section {
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}