:root {
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --text: #1d1d1f;
  --muted: #5b6168;
  --brand: #2383e2;
  --brand-dark: #1a6fc4;
  --border: #e6e8eb;
  --radius: 14px;
  --maxw: 760px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); font-size: 17px; }
.brand:hover { text-decoration: none; }
.brand .logo {
  width: 30px; height: 30px;
  background: var(--brand);
  border-radius: 8px;
  display: grid; place-items: center;
  color: #fff;
}
.brand .logo svg { display: block; }
.nav-links a { color: var(--muted); font-weight: 500; font-size: 15px; margin-left: 22px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { padding: 84px 0 64px; text-align: center; }
.hero h1 {
  font-size: 44px;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  font-weight: 800;
}
.hero p.lead {
  font-size: 20px;
  color: var(--muted);
  max-width: 580px;
  margin: 0 auto 32px;
}
.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 10px;
  transition: background .15s;
}
.cta:hover { background: var(--brand-dark); text-decoration: none; }
.cta-note { display: block; margin-top: 14px; font-size: 14px; color: var(--muted); }

/* Sections */
section { padding: 56px 0; }
section.alt { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
h2 { font-size: 28px; letter-spacing: -0.01em; margin: 0 0 28px; text-align: center; }

/* Steps */
.steps { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
.step {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px;
}
.step .num {
  width: 30px; height: 30px;
  background: var(--brand);
  color: #fff;
  border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 700; font-size: 15px;
  margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* Features */
.features { display: grid; gap: 18px; grid-template-columns: repeat(2, 1fr); }
.feature {
  display: flex; gap: 14px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}
.feature .ico {
  flex: 0 0 auto;
  width: 22px; height: 22px;
  margin-top: 2px;
  border-radius: 6px;
  background: #e9f2fd;
  position: relative;
}
.feature .ico::after {
  content: "";
  position: absolute;
  left: 7px; top: 4px;
  width: 5px; height: 10px;
  border: solid var(--brand);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.feature h3 { margin: 0 0 4px; font-size: 16px; }
.feature p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* Privacy callout */
.privacy-callout {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.privacy-callout .badge {
  display: inline-block;
  background: #e8f5ec;
  color: #1a7f43;
  font-weight: 600;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.privacy-callout p { color: var(--muted); font-size: 16px; }

/* Article (privacy page) */
.article { padding: 56px 0 72px; }
.article h1 { font-size: 34px; letter-spacing: -0.02em; margin: 0 0 6px; }
.article .updated { color: var(--muted); font-size: 14px; margin: 0 0 36px; }
.article h2 { font-size: 21px; text-align: left; margin: 36px 0 12px; }
.article p, .article li { color: #33373c; font-size: 16px; }
.article ul, .article ol { padding-left: 22px; }
.article li { margin-bottom: 8px; }
.article strong { color: var(--text); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  color: var(--muted);
  font-size: 14px;
}
.site-footer .wrap {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
}
.site-footer a { color: var(--muted); }
.site-footer .foot-links a { margin-left: 18px; }

@media (max-width: 680px) {
  .hero { padding: 56px 0 44px; }
  .hero h1 { font-size: 34px; }
  .hero p.lead { font-size: 18px; }
  .steps, .features { grid-template-columns: 1fr; }
  .nav-links a { margin-left: 16px; }
  .site-footer .wrap { flex-direction: column; align-items: flex-start; }
  .site-footer .foot-links a { margin-left: 0; margin-right: 18px; }
}
