:root {
  --ink: #0b1d2b;
  --muted: #687b8d;
  --line: #d7e2ea;
  --paper: #f4f8fb;
  --blue: #2384f4;
  --green: #31c878;
  --navy: #0c2c40;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 8%, rgba(35, 132, 244, 0.12), transparent 28rem),
    linear-gradient(145deg, #f8fbfd 0%, #eef4f8 52%, #f7fafc 100%);
  color: var(--ink);
  font-family: "SF Pro Display", "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
  min-height: 100vh;
}

.privacy-nav {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1180px;
  padding: 28px 32px;
}

.brand-link,
.back-link,
.diagnostics-link {
  color: inherit;
  text-decoration: none;
}

.brand-link {
  align-items: center;
  display: flex;
  gap: 12px;
}

.brand-link strong,
.brand-link small {
  display: block;
}

.brand-link small {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.brand-mark {
  align-items: end;
  background: linear-gradient(145deg, #44a0ff, #2364dc);
  border-radius: 13px;
  display: flex;
  gap: 3px;
  height: 42px;
  justify-content: center;
  padding-bottom: 10px;
  width: 42px;
}

.brand-mark i {
  background: white;
  border-radius: 4px;
  display: block;
  width: 3px;
}

.brand-mark i:nth-child(1) { height: 10px; opacity: 0.68; }
.brand-mark i:nth-child(2) { height: 19px; }
.brand-mark i:nth-child(3) { height: 14px; opacity: 0.82; }

.nav-actions {
  display: flex;
  gap: 8px;
}

.back-link,
.diagnostics-link {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(190, 206, 218, 0.8);
  border-radius: 999px;
  font-size: 14px;
  padding: 11px 17px;
}

.diagnostics-link {
  color: #2b6f9d;
}

main {
  margin: 0 auto;
  max-width: 1180px;
  padding: 54px 32px 96px;
}

.privacy-hero {
  max-width: 860px;
  padding: 42px 0 78px;
}

.eyebrow,
.section-label {
  color: #4e7592;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.eyebrow i {
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(49, 200, 120, 0.12);
  display: inline-block;
  height: 8px;
  margin-right: 10px;
  width: 8px;
}

.privacy-hero h1 {
  font-size: clamp(48px, 7vw, 88px);
  letter-spacing: -0.055em;
  line-height: 0.98;
  margin: 27px 0 30px;
}

.privacy-hero > p {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.75;
  max-width: 720px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.hero-facts span {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #345469;
  font-size: 13px;
  padding: 10px 15px;
}

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

.summary-grid article {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(204, 218, 228, 0.9);
  border-radius: 28px;
  min-height: 270px;
  padding: 30px;
}

.summary-grid article:nth-child(2) {
  background: var(--navy);
  border-color: var(--navy);
  color: white;
}

.summary-grid article > span {
  color: var(--blue);
  font-family: "SF Mono", monospace;
  font-size: 13px;
}

.summary-grid article:nth-child(2) > span {
  color: #7fd7ff;
}

.summary-grid h2 {
  font-size: 25px;
  margin: 54px 0 14px;
}

.summary-grid p,
.policy-list p,
.policy-layout aside p,
.security-note p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  margin: 0;
}

.summary-grid article:nth-child(2) p {
  color: #aec5d3;
}

.policy-layout {
  display: grid;
  gap: 72px;
  grid-template-columns: 260px 1fr;
  padding: 120px 0 80px;
}

.policy-layout aside {
  position: sticky;
  top: 32px;
  align-self: start;
}

.policy-layout aside h2,
.control-panel h2 {
  font-size: 36px;
  letter-spacing: -0.035em;
  margin: 18px 0 14px;
}

.policy-list article {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 24px;
  grid-template-columns: 48px 1fr;
  padding: 30px 0;
}

.policy-index {
  align-items: center;
  background: #e3eef6;
  border-radius: 14px;
  color: #3a6684;
  display: flex;
  font-family: "SF Mono", monospace;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.policy-list h3 {
  font-size: 21px;
  margin: 5px 0 10px;
}

.control-panel {
  background: linear-gradient(145deg, #0d344b, #071c2b);
  border-radius: 36px;
  color: white;
  display: grid;
  gap: 70px;
  grid-template-columns: 0.9fr 1.4fr;
  padding: 52px;
}

.control-panel .section-label {
  color: #7fc8f5;
}

.control-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.control-panel li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  gap: 20px;
  grid-template-columns: 110px 1fr;
  padding: 20px 0;
}

.control-panel li:first-child {
  padding-top: 0;
}

.control-panel li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.control-panel li span {
  color: #acc4d2;
  font-size: 14px;
  line-height: 1.6;
}

.security-note {
  align-items: center;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 28px;
  display: flex;
  gap: 26px;
  margin-top: 24px;
  padding: 30px 34px;
}

.security-note h2 {
  font-size: 20px;
  margin: 0 0 8px;
}

.lock-icon {
  border: 3px solid var(--green);
  border-radius: 7px;
  height: 28px;
  position: relative;
  width: 34px;
}

.lock-icon::before {
  border: 3px solid var(--green);
  border-bottom: 0;
  border-radius: 16px 16px 0 0;
  content: "";
  height: 16px;
  left: 6px;
  position: absolute;
  top: -18px;
  width: 16px;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  font-size: 12px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1116px;
  padding: 30px 0 48px;
}

@media (max-width: 820px) {
  .privacy-nav {
    padding: 20px;
  }

  .diagnostics-link {
    display: none;
  }

  main {
    padding: 28px 20px 64px;
  }

  .privacy-hero {
    padding: 34px 0 56px;
  }

  .summary-grid,
  .policy-layout,
  .control-panel {
    grid-template-columns: 1fr;
  }

  .summary-grid article {
    min-height: auto;
  }

  .summary-grid h2 {
    margin-top: 34px;
  }

  .policy-layout {
    gap: 34px;
    padding: 78px 0 54px;
  }

  .policy-layout aside {
    position: static;
  }

  .control-panel {
    gap: 36px;
    padding: 32px 24px;
  }

  .control-panel li {
    grid-template-columns: 90px 1fr;
  }

  .security-note {
    align-items: flex-start;
  }

  footer {
    gap: 8px;
    margin: 0 20px;
  }
}