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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  color: #0f172a;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ---------- Nav ---------- */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 16px;
}
.brand-logo {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #10b981, #06b6d4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
}
.nav nav { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.nav nav a { color: #475569; font-weight: 500; }
.nav nav a:hover { color: #0f172a; }
.nav nav a.btn-primary { color: #fff; }

/* ---------- Buttons ---------- */
.btn-primary {
  background: linear-gradient(135deg, #10b981, #06b6d4);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  border: none;
  cursor: pointer;
  display: inline-block;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-secondary {
  background: #fff;
  color: #0f172a;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid #e2e8f0;
  cursor: pointer;
  display: inline-block;
}
.btn-large { padding: 14px 26px; font-size: 15px; }
.btn-block { display: block; text-align: center; }

/* ---------- Hero ---------- */
.hero {
  padding: 60px 0 80px;
  background: linear-gradient(180deg, rgba(16,185,129,0.05), transparent);
  text-align: center;
}
.badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.gradient {
  background: linear-gradient(135deg, #10b981, #06b6d4);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 18px;
  color: #475569;
  max-width: 640px;
  margin: 0 auto 30px;
}
.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.social-proof {
  color: #64748b;
  font-size: 13px;
}

/* ---------- Waitlist ---------- */
.waitlist {
  padding: 56px 0;
  background: linear-gradient(135deg, rgba(16,185,129,0.08), rgba(6,182,212,0.08));
  text-align: center;
}
.waitlist h2 { font-size: 30px; font-weight: 800; margin-bottom: 10px; letter-spacing: -0.02em; }
.waitlist > .container > p { font-size: 16px; color: #475569; max-width: 560px; margin: 0 auto 24px; }
.waitlist-form {
  display: flex; gap: 10px; justify-content: center; max-width: 460px; margin: 0 auto; flex-wrap: wrap;
}
.waitlist-input {
  flex: 1; min-width: 220px; padding: 13px 16px; border: 1px solid #cbd5e1;
  border-radius: 10px; font-size: 15px; outline: none; font-family: inherit;
}
.waitlist-input:focus { border-color: #10b981; }
.waitlist-form .btn-primary { padding: 13px 24px; font-size: 15px; border: none; cursor: pointer; }
.hidden-field { display: none; }
.waitlist-success {
  display: none; margin: 16px auto 0; max-width: 460px;
  background: #fff; border: 1px solid #10b981; color: #047857;
  padding: 14px; border-radius: 10px; font-weight: 600; font-size: 15px;
}
.waitlist-note { font-size: 12.5px; color: #94a3b8; margin-top: 12px; }

/* ---------- Features ---------- */
.features { padding: 80px 0; }
.features h2 {
  font-size: 36px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 50px;
  letter-spacing: -0.02em;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.feature-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 26px;
}
.feature-icon { font-size: 32px; margin-bottom: 14px; }
.feature-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: #475569; }

/* ---------- Pricing ---------- */
.pricing {
  padding: 80px 0;
  background: #f8fafc;
}
.pricing h2 {
  font-size: 36px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.section-sub {
  text-align: center;
  color: #64748b;
  margin-bottom: 40px;
  font-size: 15px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  max-width: 980px;
  margin: 0 auto;
}
.price-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 28px;
  position: relative;
}
.price-card-featured {
  border-color: #10b981;
  box-shadow: 0 12px 32px rgba(16, 185, 129, 0.2);
  transform: scale(1.02);
}
.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #10b981, #06b6d4);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.price-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 14px; }
.price { font-size: 40px; font-weight: 800; letter-spacing: -0.02em; }
.price span { font-size: 16px; color: #94a3b8; font-weight: 500; }
.price-yearly {
  font-size: 12px;
  color: #047857;
  font-weight: 600;
  margin-bottom: 14px;
}

.billing-toggle {
  display: inline-flex;
  background: #f1f5f9;
  border-radius: 10px;
  padding: 4px;
  gap: 4px;
  margin-bottom: 14px;
}
.billing-opt {
  border: none;
  background: transparent;
  padding: 6px 14px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  color: #64748b;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, color 0.15s;
}
.billing-opt.billing-active {
  background: #fff;
  color: #0f172a;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1);
}
.save-tag {
  display: inline-block;
  background: rgba(16, 185, 129, 0.15);
  color: #047857;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
  margin-left: 4px;
}
.price-card ul {
  list-style: none;
  margin: 18px 0;
}
.price-card li {
  padding: 7px 0;
  font-size: 14px;
  color: #0f172a;
}
.price-card li b { color: #047857; }

/* ---------- FAQ ---------- */
.faq { padding: 80px 0; }
.faq h2 {
  font-size: 32px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: -0.02em;
}
.faq details {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 10px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.faq summary {
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::after { content: "+"; font-size: 22px; color: #94a3b8; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin-top: 12px; color: #475569; font-size: 14px; }

/* ---------- Footer ---------- */
footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 40px 0 30px;
}
footer .container { display: flex; flex-direction: column; gap: 20px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 700; }
.footer-links { display: flex; gap: 22px; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-copy { font-size: 12px; color: #64748b; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .hero h1 { font-size: 38px; }
  .hero-sub { font-size: 16px; }
  .nav nav { gap: 12px; }
  .features h2, .pricing h2 { font-size: 28px; }
}