:root {
  --bg: #0A0B10;
  --card: #161922;
  --raised: #20242F;
  --indigo: #2F6BFF;
  --mint: #34D399;
  --amber: #F5B82E;
  --danger: #E0533D;
  --muted: #7C828D;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--indigo); text-decoration: none; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
}
.brand-icon {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--indigo);
  border-radius: 8px;
  font-size: 16px;
}
nav .links { display: flex; gap: 28px; align-items: center; }
nav .links a { color: var(--muted); font-size: 14px; font-weight: 600; }
nav .links a:hover { color: #fff; }
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  text-align: center;
}
.btn-primary { background: var(--indigo); color: #fff; }
.btn-primary:hover { background: #4a7dff; }
.btn-ghost { background: var(--raised); color: #fff; }
.btn-ghost:hover { background: #2a2f3d; }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-block { display: block; width: 100%; padding: 15px; font-size: 15px; }

/* Hero */
.hero {
  text-align: center;
  padding: 90px 0 60px;
}
.hero .badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card);
  color: var(--muted);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero .badge .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--mint);
}
.hero h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: -1px;
}
.hero h1 span { color: var(--indigo); }
.hero p {
  font-size: 19px;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.5;
}
.hero .cta { display: flex; gap: 14px; justify-content: center; }
.hero .cta .btn { padding: 14px 28px; font-size: 16px; }

/* Feature grid */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 60px 0;
}
.feature {
  background: var(--card);
  border-radius: 16px;
  padding: 28px;
}
.feature .icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--raised);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.feature h3 { margin: 0 0 8px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }

/* Pricing */
.pricing-header { text-align: center; padding: 60px 0 30px; }
.pricing-header h2 { font-size: 36px; margin: 0 0 12px; font-weight: 800; }
.pricing-header p { color: var(--muted); font-size: 16px; margin: 0; }

.plans {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-bottom: 80px;
}
.plan {
  background: var(--card);
  border-radius: 18px;
  padding: 28px;
  border: 2px solid transparent;
  display: flex;
  flex-direction: column;
}
.plan .name { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.plan .price { font-size: 32px; font-weight: 800; margin-bottom: 4px; }
.plan .price span { font-size: 14px; color: var(--muted); font-weight: 500; }
.plan .tagline { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 22px; flex: 1; }
.plan li { color: var(--muted); font-size: 14px; padding: 6px 0; display: flex; gap: 8px; }
.plan li::before { content: "✓"; color: var(--mint); font-weight: 700; }
.plan.featured { border-color: var(--indigo); position: relative; }
.plan.featured .ribbon {
  position: absolute; top: -12px; right: 20px;
  background: var(--indigo); color: #fff; font-size: 11px; font-weight: 700;
  padding: 4px 10px; border-radius: 999px;
}

/* Signup */
.signup-section {
  padding: 60px 0 100px;
  display: flex;
  justify-content: center;
}
.signup-card {
  background: var(--card);
  border-radius: 20px;
  padding: 36px;
  width: 100%;
  max-width: 440px;
}
.signup-card h2 { font-size: 24px; margin: 0 0 6px; text-align: center; }
.signup-card .sub { color: var(--muted); font-size: 13px; text-align: center; margin: 0 0 24px; }
.field { margin-bottom: 14px; }
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.field input,
.field select {
  width: 100%;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid var(--raised);
  background: var(--raised);
  color: #fff;
  font-size: 15px;
}
.field input:focus,
.field select:focus { outline: 2px solid var(--indigo); }
.hint { color: var(--muted); font-size: 12px; line-height: 1.5; margin: 14px 0; }
.error { color: var(--danger); font-size: 13px; margin: 8px 0; text-align: center; }
.success { color: var(--mint); font-size: 13px; margin: 8px 0; text-align: center; }

/* Recovery code */
.recovery-box {
  background: var(--raised);
  border-radius: 12px;
  padding: 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 16px;
  text-align: center;
  margin: 16px 0;
  word-break: break-all;
}

/* Footer */
footer {
  border-top: 1px solid var(--card);
  padding: 30px 0;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
footer .links { display: flex; gap: 20px; }
footer .links a { color: var(--muted); }

.beta-banner {
  background: var(--amber);
  color: #1a1300;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 0;
}

@media (max-width: 1024px) {
  .plans { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .hero h1 { font-size: 38px; }
  .features { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .field-row { flex-direction: column; gap: 0; }
  nav .links { display: none; }
}