:root {
  --ink: #16213b;
  --muted: #59677f;
  --line: #d9e3f3;
  --surface: #f5f8fe;
  --blue: #246fe8;
  --blue-dark: #1759ca;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  word-break: keep-all;
}

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

.hero {
  min-height: 680px;
  padding: 28px max(28px, calc((100vw - 1120px) / 2)) 84px;
  background:
    radial-gradient(circle at 12% 0%, rgba(69, 132, 255, 0.23), transparent 37%),
    linear-gradient(135deg, #f9fbff, #edf3ff);
}

nav {
  display: flex;
  max-width: 1120px;
  align-items: center;
  justify-content: space-between;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 800;
}

.brandMark,
.footerMark {
  display: inline-grid;
  color: #fff;
  background: linear-gradient(145deg, var(--blue), var(--blue-dark));
  place-items: center;
}

.brandMark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(36, 111, 232, 0.25);
  font-size: 26px;
}

.navLinks {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #536078;
  font-size: 14px;
  font-weight: 700;
}

.navLinks a:hover {
  color: var(--blue-dark);
}

.heroContent {
  max-width: 1120px;
  margin: 126px auto 0;
}

.eyebrow {
  margin: 0 0 17px;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(48px, 6vw, 78px);
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.heroDescription {
  max-width: 660px;
  margin: 28px 0 0;
  color: #4e5e79;
  font-size: 20px;
  line-height: 1.7;
  letter-spacing: -0.025em;
}

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

.siteTags span {
  padding: 10px 15px;
  border: 1px solid #cbdaf1;
  border-radius: 999px;
  color: #31517d;
  background: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 800;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 112px 28px;
}

.sectionHeading h2,
.privacyHeader h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.045em;
}

.featureGrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 44px;
}

.featureGrid article {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
}

.featureNumber {
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.featureGrid h3 {
  margin: 58px 0 12px;
  font-size: 23px;
  letter-spacing: -0.035em;
}

.featureGrid p,
.notice,
.policyGrid p,
.policyGrid li,
.support p {
  color: var(--muted);
  line-height: 1.72;
}

.featureGrid p {
  margin: 0;
  font-size: 15px;
}

.notice {
  margin: 24px 0 0;
  padding: 18px 20px;
  border-left: 3px solid #8eb5f4;
  background: #f8faff;
  font-size: 14px;
}

.privacy {
  padding: 104px max(28px, calc((100vw - 1120px) / 2));
  color: #eef4ff;
  background: #18233a;
}

.privacy .eyebrow {
  color: #83b1ff;
}

.privacyHeader {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(214, 227, 251, 0.17);
}

.privacyHeader > p {
  margin: 0 0 8px;
  color: #aebbd0;
  font-size: 13px;
}

.privacyLead {
  max-width: 810px;
  margin: 34px 0 0;
  color: #c9d5e8;
  font-size: 19px;
  line-height: 1.75;
}

.policyGrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px 70px;
  margin-top: 68px;
}

.policyGrid section {
  padding-top: 22px;
  border-top: 1px solid rgba(214, 227, 251, 0.17);
}

.policyGrid h3,
.support h3 {
  margin: 0 0 18px;
  color: #fff;
  font-size: 18px;
  letter-spacing: -0.025em;
}

.policyGrid p,
.policyGrid ul {
  margin: 0;
  padding: 0;
  color: #b9c6da;
  font-size: 15px;
}

.policyGrid ul {
  padding-left: 19px;
}

.policyGrid li + li {
  margin-top: 8px;
}

.support {
  margin-top: 72px;
  padding: 28px;
  border: 1px solid rgba(131, 177, 255, 0.3);
  border-radius: 18px;
  background: rgba(65, 104, 168, 0.13);
}

.support p {
  max-width: 800px;
  margin: 0;
  color: #b9c6da;
  font-size: 15px;
}

footer {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 32px max(28px, calc((100vw - 1120px) / 2));
  color: #66738a;
  background: #f5f8fe;
  font-size: 13px;
}

.footerMark {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: 9px;
  font-size: 18px;
}

footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .hero {
    min-height: auto;
    padding-bottom: 64px;
  }

  .navLinks {
    display: none;
  }

  .heroContent {
    margin-top: 88px;
  }

  h1 {
    font-size: 46px;
  }

  .heroDescription {
    font-size: 17px;
  }

  .section,
  .privacy {
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .featureGrid,
  .policyGrid {
    grid-template-columns: 1fr;
  }

  .featureGrid article {
    min-height: 210px;
  }

  .featureGrid h3 {
    margin-top: 36px;
  }

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

  .policyGrid {
    gap: 38px;
    margin-top: 52px;
  }
}

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