:root {
  --brand-start: #594df2;
  --brand-end: #8c40e6;
  --ink: #1a1330;
  --muted: #6b6580;
  --bg: #f6f4ff;
  --card: #ffffff;
  --border: rgba(89, 77, 242, 0.14);
  --radius: 20px;
  --maxw: 960px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 244, 255, 0.8);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
}
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.nav a { margin-left: 22px; color: var(--muted); font-weight: 500; font-size: 15px; }
.nav a:hover { color: var(--ink); text-decoration: none; }

/* Hero */
.hero {
  text-align: center;
  padding: 84px 0 64px;
}
.hero .logo-lg {
  width: 108px; height: 108px;
  border-radius: 26px;
  box-shadow: 0 18px 44px rgba(89, 77, 242, 0.32);
  margin-bottom: 26px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.08;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.gradient-text {
  background: linear-gradient(120deg, var(--brand-start), var(--brand-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  font-size: clamp(17px, 2.4vw, 21px);
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 30px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(120deg, var(--brand-start), var(--brand-end));
  color: #fff;
  box-shadow: 0 10px 26px rgba(89, 77, 242, 0.34);
}
.btn-primary:hover { text-decoration: none; opacity: 0.94; }
.btn-ghost {
  background: transparent;
  color: var(--brand-start);
  border: 1px solid var(--border);
}

/* Feature grid */
.section { padding: 56px 0; }
.section h2 {
  text-align: center;
  font-size: clamp(26px, 4vw, 34px);
  margin: 0 0 40px;
  letter-spacing: -0.01em;
}
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.card .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(120deg, var(--brand-start), var(--brand-end));
  color: #fff;
  font-size: 22px;
  margin-bottom: 16px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* Privacy strip */
.privacy-strip {
  background: linear-gradient(120deg, var(--brand-start), var(--brand-end));
  color: #fff;
  border-radius: 28px;
  padding: 44px 32px;
  text-align: center;
}
.privacy-strip h2 { color: #fff; margin: 0 0 12px; }
.privacy-strip p { margin: 0 auto; max-width: 640px; opacity: 0.94; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 34px 0;
  color: var(--muted);
  font-size: 14px;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}
.site-footer .foot-links a { margin-left: 18px; color: var(--muted); }
.site-footer .foot-links a:first-child { margin-left: 0; }

/* Legal pages */
.legal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(28px, 5vw, 56px);
  margin: 48px 0;
}
.legal h1 { font-size: clamp(28px, 5vw, 40px); margin: 0 0 6px; letter-spacing: -0.02em; }
.legal .eff { color: var(--muted); font-size: 14px; margin: 0 0 28px; }
.legal h2 { font-size: 22px; margin: 34px 0 10px; }
.legal p, .legal li { color: #35304a; }
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 8px; }
.legal a { font-weight: 500; }

@media (max-width: 600px) {
  .nav a { margin-left: 14px; font-size: 14px; }
  .hero { padding: 56px 0 40px; }
}