* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #020617, #000);
  color: #e5e7eb;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
.header {
  border-bottom: 1px solid rgba(148,163,184,.2);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.header-inner, .footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
}
.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 30%, #38bdf8, #0f172a);
}
.main-nav {
  display: flex;
  gap: 1rem;
  font-size: .9rem;
}
.main-nav a {
  opacity: .8;
}
.main-nav a:hover {
  opacity: 1;
}
.header-actions {
  display: flex;
  gap: .75rem;
}
.btn {
  border-radius: 999px;
  padding: .4rem .95rem;
  border: 1px solid transparent;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
}
.btn-outline {
  border-color: rgba(148,163,184,.5);
  background: transparent;
}
.btn-primary {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  border-color: transparent;
  color: white;
}
.hero {
  padding: 3.5rem 0 2.5rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}
.hero-eyebrow {
  font-size: .75rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: #22c55e;
  font-weight: 600;
  margin-bottom: .75rem;
}
.hero-title {
  font-size: clamp(2.3rem, 4vw, 3rem);
  line-height: 1.05;
  margin-bottom: 1rem;
}
.hero-subtitle {
  font-size: .98rem;
  color: #9ca3af;
  max-width: 32rem;
  margin-bottom: 1.75rem;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.75rem;
}
.badge {
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,.35);
  padding: .3rem .7rem;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: #a5b4fc;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  margin-bottom: 1.25rem;
}
.hero-meta {
  font-size: .8rem;
  color: #9ca3af;
}
.hero-card {
  border-radius: 1.5rem;
  padding: 1.5rem;
  background: radial-gradient(circle at top, rgba(56,189,248,.2), rgba(15,23,42,.95));
  border: 1px solid rgba(148,163,184,.4);
  box-shadow: 0 25px 60px rgba(15,23,42,.9);
}
.hero-card-header {
  display: flex;
  justify-content: space-between;
  font-size: .8rem;
  color: #e5e7eb;
  margin-bottom: 1rem;
}
.hero-shield {
  border-radius: 999px;
  padding: .25rem .75rem;
  background: rgba(15,23,42,.8);
  border: 1px solid rgba(148,163,184,.5);
}
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.metric {
  font-size: .8rem;
}
.metric-label {
  color: #9ca3af;
  margin-bottom: .25rem;
}
.metric-value {
  font-size: 1.1rem;
  font-weight: 600;
}
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.pill {
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,.4);
  padding: .2rem .55rem;
  font-size: .7rem;
  color: #e5e7eb;
}
.section {
  padding: 2.5rem 0;
}
.section-header {
  margin-bottom: 1.5rem;
}
.section-eyebrow {
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #22c55e;
  margin-bottom: .35rem;
}
.section-title {
  font-size: 1.45rem;
  margin-bottom: .35rem;
}
.section-subtitle {
  font-size: .9rem;
  color: #9ca3af;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.1rem;
}
.feature-card {
  border-radius: 1rem;
  padding: 1rem;
  background: rgba(15,23,42,.9);
  border: 1px solid rgba(148,163,184,.2);
  font-size: .86rem;
}
.feature-icon {
  font-size: 1.1rem;
  margin-bottom: .5rem;
}
.feature-title {
  font-weight: 600;
  margin-bottom: .25rem;
}
.feature-tag {
  font-size: .7rem;
  color: #a5b4fc;
  margin-bottom: .35rem;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.price-card {
  border-radius: 1.25rem;
  padding: 1.25rem;
  background: rgba(15,23,42,.95);
  border: 1px solid rgba(148,163,184,.35);
}
.price-label {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: #a5b4fc;
  margin-bottom: .35rem;
}
.price-value {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: .25rem;
}
.price-meta {
  font-size: .8rem;
  color: #9ca3af;
  margin-bottom: .8rem;
}
.price-list {
  list-style: none;
  font-size: .82rem;
  color: #e5e7eb;
  margin-bottom: 1rem;
}
.price-list li {
  display: flex;
  gap: .4rem;
  align-items: flex-start;
  margin-bottom: .3rem;
}
.price-list li span {
  margin-top: .15rem;
}
.footer {
  border-top: 1px solid rgba(148,163,184,.25);
  margin-top: 2.5rem;
}
.footer-links {
  display: flex;
  gap: .9rem;
  font-size: .8rem;
  color: #9ca3af;
}
.auth-wrapper {
  min-height: calc(100vh - 140px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.25rem;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  border-radius: 1.25rem;
  padding: 1.75rem 1.5rem 1.75rem;
  background: rgba(15,23,42,.98);
  border: 1px solid rgba(148,163,184,.45);
  box-shadow: 0 18px 40px rgba(15,23,42,.9);
}
.auth-title {
  font-size: 1.25rem;
  margin-bottom: .4rem;
}
.auth-subtitle {
  font-size: .82rem;
  color: #9ca3af;
  margin-bottom: 1.25rem;
}
.form-field {
  margin-bottom: .9rem;
}
.form-label {
  display: block;
  font-size: .78rem;
  color: #9ca3af;
  margin-bottom: .25rem;
}
.form-input, .form-select {
  width: 100%;
  border-radius: .6rem;
  border: 1px solid rgba(148,163,184,.45);
  padding: .5rem .65rem;
  background: rgba(15,23,42,.9);
  color: #e5e7eb;
  font-size: .82rem;
}
.form-input:focus, .form-select:focus {
  outline: 1px solid #22c55e;
  border-color: #22c55e;
}
.form-help {
  font-size: .72rem;
  color: #6b7280;
  margin-top: .15rem;
}
.form-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: .85rem;
  font-size: .78rem;
}
.badge-pill {
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,.4);
  padding: .15rem .55rem;
  font-size: .68rem;
  color: #a5b4fc;
}
.install-steps {
  display: flex;
  gap: .3rem;
  margin-bottom: 1.1rem;
  font-size: .72rem;
}
.install-step {
  flex: 1;
  text-align: center;
  padding: .25rem .4rem;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,.5);
  opacity: .55;
}
.install-step.active {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  border-color: transparent;
  opacity: 1;
}
.alert {
  border-radius: .6rem;
  padding: .45rem .6rem;
  font-size: .78rem;
  margin-bottom: .7rem;
}
.alert-success {
  background: rgba(22,163,74,.08);
  border: 1px solid rgba(22,163,74,.6);
  color: #bbf7d0;
}
.alert-error {
  background: rgba(220,38,38,.08);
  border: 1px solid rgba(220,38,38,.6);
  color: #fecaca;
}
.checkbox-row {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .78rem;
}
.checkbox-row input {
  width: .85rem;
  height: .85rem;
}
@media (max-width: 800px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .main-nav {
    display: none;
  }
  .header-inner {
    gap: .75rem;
  }
}