:root {
  color-scheme: light;
  --ink: #111a2d;
  --muted: #5f6b85;
  --line: #dfe5f0;
  --paper: #ffffff;
  --wash: #f5f7fc;
  --blue: #5274ff;
  --green: #1bb978;
  --amber: #f5a83b;
  --red: #ef5c65;
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: #355ce8;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #173cc2;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(223, 229, 240, 0.9);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(var(--max), calc(100% - 36px));
  min-height: 66px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 28px;
  height: 28px;
  margin-right: 9px;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--blue);
}

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  font-weight: 650;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.product-intro {
  min-height: calc(100vh - 66px);
  padding: 54px 20px 0;
  overflow: hidden;
  background: var(--wash);
  text-align: center;
}

.product-copy {
  width: min(720px, 100%);
  margin: 0 auto 34px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.16;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 14px;
  font-size: clamp(44px, 8vw, 82px);
  font-weight: 900;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 4vw, 42px);
}

h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.lede {
  max-width: 630px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(17px, 2.4vw, 21px);
}

.screen-stage {
  width: min(420px, 88vw);
  max-height: 68vh;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid #d9dfec;
  border-bottom: 0;
  border-radius: 44px 44px 0 0;
  background: white;
  box-shadow: 0 26px 70px rgba(38, 58, 112, 0.16);
}

.screen-stage img {
  display: block;
  width: 100%;
  height: auto;
}

.feature-band {
  padding: 74px 20px;
  background: var(--paper);
}

.feature-grid {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.feature {
  padding-top: 18px;
  border-top: 3px solid var(--line);
}

.feature:nth-child(1) {
  border-color: var(--blue);
}

.feature:nth-child(2) {
  border-color: var(--green);
}

.feature:nth-child(3) {
  border-color: var(--amber);
}

.feature p,
.legal-copy p,
.legal-copy li {
  color: var(--muted);
}

.privacy-band {
  padding: 68px 20px;
  border-top: 1px solid var(--line);
  background: #f8faf7;
}

.privacy-inner {
  width: min(780px, 100%);
  margin: 0 auto;
  text-align: center;
}

.button-link {
  display: inline-flex;
  min-height: 46px;
  margin-top: 16px;
  padding: 0 20px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: white;
  background: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.button-link:hover {
  color: white;
  background: #27334b;
}

.legal-main {
  padding: 62px 20px 84px;
}

.legal-copy {
  width: min(780px, 100%);
  margin: 0 auto;
}

.legal-copy header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.legal-copy section {
  padding: 28px 0 18px;
  border-bottom: 1px solid var(--line);
}

.meta {
  color: var(--muted);
  font-size: 14px;
}

.notice {
  margin: 24px 0;
  padding: 16px 18px;
  border-left: 4px solid var(--green);
  background: #f1fbf6;
  color: #285e47;
}

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

.site-footer {
  padding: 30px 20px;
  border-top: 1px solid var(--line);
  background: var(--wash);
}

.footer-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--muted);
}

@media (max-width: 720px) {
  .nav-links a:not(:last-child) {
    display: none;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .product-intro {
    padding-top: 38px;
  }

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

  .footer-links {
    margin-left: 0;
  }
}

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