:root {
  --bg: #ffffff;
  --ink: #111114;
  --muted: #66666d;
  --soft: #f5f5f6;
  --line: #e9e9ec;
  --panel: #111114;
  --panel-muted: #c9c9cf;
  --success: #2f7d5c;
  --max: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(233, 233, 236, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 18px;
  font-weight: 800;
}

.brand img {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.nav-links,
.footer-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover,
.footer-links a:hover,
.legal a:hover { color: var(--ink); }

.hero {
  position: relative;
  display: grid;
  place-items: center;
  min-height: calc(100svh - 73px);
  padding: 62px 24px 76px;
  overflow: hidden;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 96px;
  background: var(--soft);
  border-top: 1px solid var(--line);
  z-index: -2;
}

.hero-mark {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: -1;
  opacity: 0.045;
}

.hero-mark img {
  width: min(74vw, 780px);
  height: auto;
}

.eyebrow {
  color: var(--success);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin-top: 14px;
  font-size: clamp(64px, 13vw, 154px);
  line-height: 0.9;
  font-weight: 900;
}

.hero-copy {
  max-width: 640px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: clamp(18px, 2.1vw, 23px);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 800;
}

.button svg {
  width: 20px;
  height: 20px;
  margin-right: 9px;
  fill: currentColor;
}

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

.button-secondary {
  color: var(--ink);
  background: #fff;
}

.button:hover { transform: translateY(-1px); }

.fine-print {
  margin-top: 18px;
  color: #8c8c94;
  font-size: 13px;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 76px 24px;
}

.section-heading {
  max-width: 610px;
  margin-bottom: 34px;
}

.section-heading h2,
.privacy-copy h2 {
  margin-top: 9px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1;
  font-weight: 900;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature {
  min-height: 244px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.feature svg {
  width: 32px;
  height: 32px;
  margin-bottom: 28px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature h3 {
  margin-bottom: 9px;
  font-size: 19px;
  line-height: 1.15;
}

.feature p {
  color: var(--muted);
  font-size: 15px;
}

.privacy-band {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto 68px;
  padding: 54px 24px;
  color: #fff;
  background: var(--panel);
}

.privacy-copy p:last-child {
  max-width: 570px;
  margin-top: 18px;
  color: var(--panel-muted);
  font-size: 17px;
}

.privacy-list {
  display: grid;
  gap: 10px;
  list-style: none;
}

.privacy-list li {
  padding: 15px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: #f5f5f6;
  font-weight: 750;
}

.privacy-list li::before {
  content: "✓";
  display: inline-block;
  margin-right: 10px;
  color: #8fd8b2;
}

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  padding: 42px 24px 60px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.site-footer p {
  max-width: 640px;
  color: #8c8c94;
  font-size: 13px;
}

.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 42px 24px 86px;
}

.legal .back {
  display: inline-flex;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.legal h1 {
  margin-bottom: 8px;
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1;
  font-weight: 900;
}

.legal .updated {
  margin-bottom: 34px;
  color: #8c8c94;
  font-size: 14px;
}

.legal h2 {
  margin: 32px 0 8px;
  font-size: 21px;
}

.legal p,
.legal li {
  color: #3a3a40;
  font-size: 16px;
}

.legal p { margin-bottom: 13px; }

.legal ul {
  margin: 12px 0 18px 22px;
}

.legal a { color: var(--ink); font-weight: 800; }

@media (max-width: 860px) {
  .site-header { position: static; }
  .nav-links { display: none; }
  .hero { min-height: 680px; }
  .hero-actions { flex-direction: column; align-items: stretch; width: min(100%, 340px); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .privacy-band { grid-template-columns: 1fr; margin-bottom: 42px; }
}

@media (max-width: 560px) {
  .hero { min-height: 620px; padding-top: 44px; }
  .hero h1 { font-size: 68px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature { min-height: auto; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 14px; }
}