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

:root {
  --indigo:      #6366f1;
  --indigo-dark: #4f46e5;
  --purple:      #8b5cf6;
  --g50:  #f9fafb;
  --g100: #f3f4f6;
  --g200: #e5e7eb;
  --g300: #d1d5db;
  --g600: #4b5563;
  --g700: #374151;
  --g900: #111827;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #fff;
  color: var(--g900);
  line-height: 1.5;
}

/* ── Nav ───────────────────────────────────── */
#main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 64px;
  border-bottom: 1px solid var(--g200);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--g900);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-logo-mark {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--indigo), var(--purple));
  border-radius: 9px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 26px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--g600);
  text-decoration: none;
  transition: color .15s;
}
.nav-links a:hover { color: var(--g900); }

.nav-ctas { display: flex; gap: 10px; align-items: center; }

/* ── Buttons ───────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  transition: all .15s;
  line-height: 1;
  white-space: nowrap;
}

.btn-primary { background: var(--indigo); color: #fff; }
.btn-primary:hover { background: var(--indigo-dark); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--g700);
  border: 1.5px solid var(--g200);
}
.btn-ghost:hover { background: var(--g50); }

.btn-lg { padding: 14px 28px; font-size: 15px; border-radius: 10px; }

.btn-white { background: #fff; color: var(--indigo); }
.btn-white:hover { background: #f5f3ff; transform: translateY(-1px); }

/* ── Hero ──────────────────────────────────── */
#hero {
  max-width: 780px;
  margin: 0 auto;
  padding: 96px 32px 72px;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ede9fe;
  color: var(--indigo-dark);
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-h1 {
  font-size: 58px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 22px;
}

.hero-h1 .gradient {
  background: linear-gradient(135deg, var(--indigo) 0%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--g600);
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--g200);
}

.stat-num {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--g900);
}

.stat-label {
  font-size: 13px;
  color: var(--g600);
  margin-top: 2px;
}

/* ── Features ──────────────────────────────── */
#features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 72px 48px;
}

.section-eyebrow {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--indigo);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.section-h2 {
  text-align: center;
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--g50);
  border: 1px solid var(--g200);
  border-radius: 16px;
  padding: 28px;
  transition: box-shadow .2s, border-color .2s, transform .2s;
}
.card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,.07);
  border-color: var(--g300);
  transform: translateY(-2px);
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  font-size: 22px;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.card h3 { font-size: 15.5px; font-weight: 600; margin-bottom: 8px; }
.card p  { font-size: 13.5px; color: var(--g600); line-height: 1.6; }

/* ── Pricing strip ─────────────────────────── */
#pricing {
  background: var(--g50);
  border-top: 1px solid var(--g200);
  border-bottom: 1px solid var(--g200);
  padding: 72px 48px;
}

.pricing-grid {
  max-width: 900px;
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.pricing-card {
  background: #fff;
  border: 1.5px solid var(--g200);
  border-radius: 16px;
  padding: 28px;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}

.pricing-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--indigo);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 100px;
  letter-spacing: 0.04em;
}

.pricing-plan { font-size: 13px; font-weight: 600; color: var(--g600); margin-bottom: 8px; }
.pricing-price { font-size: 36px; font-weight: 800; letter-spacing: -0.02em; }
.pricing-price sup { font-size: 18px; font-weight: 600; vertical-align: top; margin-top: 6px; display: inline-block; }
.pricing-period { font-size: 13px; color: var(--g600); margin-bottom: 20px; }
.pricing-features { list-style: none; font-size: 13.5px; color: var(--g700); display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; }
.pricing-features li::before { content: '✓ '; color: var(--indigo); font-weight: 700; }

/* ── CTA ───────────────────────────────────── */
#cta-section {
  background: linear-gradient(135deg, var(--indigo) 0%, var(--purple) 100%);
  margin: 64px 48px;
  border-radius: 24px;
  padding: 72px 48px;
  text-align: center;
  color: #fff;
}

#cta-section h2 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

#cta-section p {
  font-size: 17px;
  opacity: .82;
  margin-bottom: 36px;
}

/* ── Tour trigger ──────────────────────────── */
#tour-trigger {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 1000;
  background: var(--indigo);
  color: #fff;
  border: none;
  border-radius: 100px;
  padding: 13px 22px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 9px;
  box-shadow: 0 6px 24px rgba(99,102,241,.45);
  transition: all .2s;
  letter-spacing: -0.01em;
}
#tour-trigger:hover {
  background: var(--indigo-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(99,102,241,.55);
}
#tour-trigger:active { transform: translateY(0); }

.tour-dot {
  width: 8px;
  height: 8px;
  background: #a5f3fc;
  border-radius: 50%;
  animation: blink 1.8s ease-in-out infinite;
}
@keyframes blink {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.4; transform:scale(.65); }
}

/* ── Toast ─────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 88px;
  right: 28px;
  z-index: 10001;
  background: #111827;
  color: #fff;
  font-size: 13.5px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .25s, transform .25s;
  pointer-events: none;
}
#toast.show { opacity: 1; transform: translateY(0); }

/* ── Back link ─────────────────────────────── */
#back-link {
  position: fixed;
  bottom: 28px;
  left: 28px;
  z-index: 1000;
  padding: 12px 18px;
  background: #111827;
  color: #fff;
  border-radius: 100px;
  box-shadow: 0 6px 24px rgba(0,0,0,.25);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}
#back-link:hover { background: #1f2937; }

/* ── Phones ────────────────────────────────── */
@media (max-width: 760px) {
  #main-nav { padding: 0 16px; }
  .nav-links, .nav-ctas .btn-ghost { display: none; }
  #hero { padding: 56px 16px 48px; }
  .hero-h1 { font-size: 36px; }
  .hero-sub { font-size: 16px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  #features, #pricing { padding: 48px 16px; }
  .section-h2 { font-size: 28px; margin-bottom: 32px; }
  .features-grid, .pricing-grid { grid-template-columns: 1fr; }
  #cta-section { margin: 40px 16px; padding: 48px 20px; }
  #cta-section h2 { font-size: 28px; }
  #back-link { left: 16px; bottom: 16px; }
  #tour-trigger { right: 16px; bottom: 76px; }
  #toast { right: 16px; bottom: 132px; }
}

/* ── Billing toggle ────────────────────────── */
.billing-toggle {
  display: flex;
  width: max-content;
  margin: 24px auto 0;
  padding: 4px;
  gap: 4px;
  background: #fff;
  border: 1px solid var(--g200);
  border-radius: 100px;
}

.billing-toggle button {
  border: none;
  background: transparent;
  color: var(--g600);
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  cursor: pointer;
  transition: background .15s, color .15s;
}

.billing-toggle button span { color: #059669; font-size: 12px; }
.billing-toggle button[aria-pressed="true"] { background: var(--indigo); color: #fff; }
.billing-toggle button[aria-pressed="true"] span { color: #d1fae5; }

/* ── Sign-up form ──────────────────────────── */
.signup-form {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.signup-form input {
  width: 280px;
  max-width: 100%;
  padding: 14px 16px;
  border: none;
  border-radius: 10px;
  font: inherit;
  font-size: 15px;
  color: var(--g900);
}

.signup-form input:focus { outline: 3px solid rgba(255,255,255,.5); }

.signup-result {
  min-height: 1.5em;
  margin: 16px 0 0 !important;
  font-weight: 600;
  opacity: 1 !important;
}