*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --accent:          #5856D6;
  --accent-soft:     rgba(88,86,214,0.12);
  --bg:              #FFFFFF;
  --bg-secondary:    #F2F2F7;
  --bg-tertiary:     #E5E5EA;
  --separator:       #C6C6C8;
  --label:           #000000;
  --label-secondary: rgba(60,60,67,0.60);
  --label-tertiary:  rgba(60,60,67,0.30);
  --success:         #34C759;
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-xl: 20px;
}
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
               "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--label);
  line-height: 1.5; -webkit-font-smoothing: antialiased;
}

/* ── Nav ── */
nav {
  position: sticky; top: 0; z-index: 200;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(255,255,255,0.82);
  border-bottom: 1px solid var(--separator);
  padding: 0 48px; height: 52px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--label); }
.nav-logo img { height: 28px; width: auto; }
.nav-logo-text { font-size: 17px; font-weight: 600; letter-spacing: -0.4px; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { font-size: 15px; color: var(--label-secondary); text-decoration: none; transition: color 0.15s; }
.nav-links a:hover { color: var(--label); }
.nav-links a.active { color: var(--label); font-weight: 500; }
.nav-actions { display: flex; align-items: center; gap: 12px; position: relative; }
.btn-ghost {
  font-size: 15px; font-weight: 500; color: var(--accent);
  background: none; border: none; cursor: pointer;
  padding: 7px 12px; border-radius: var(--radius-sm);
  text-decoration: none; transition: background 0.15s;
  display: flex; align-items: center; gap: 5px;
}
.btn-ghost:hover { background: var(--accent-soft); }
.btn-ghost .chevron { font-size: 10px; transition: transform 0.2s; display: inline-block; }
.btn-ghost.open .chevron { transform: rotate(180deg); }
.btn-primary {
  font-size: 15px; font-weight: 600; color: #fff;
  background: var(--accent); border: none; cursor: pointer;
  padding: 8px 18px; border-radius: 100px;
  text-decoration: none; letter-spacing: -0.2px;
  transition: opacity 0.15s, transform 0.1s; white-space: nowrap;
}
.btn-primary:hover { opacity: 0.88; transform: scale(0.985); }

/* ── Sign-in dropdown ── */
.signin-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  width: 320px; background: var(--bg);
  border: 1px solid var(--separator); border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
  padding: 24px; z-index: 300;
  opacity: 0; transform: translateY(-8px) scale(0.97);
  pointer-events: none; transition: opacity 0.18s ease, transform 0.18s ease;
}
.signin-dropdown.visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: all; }
.signin-title { font-size: 17px; font-weight: 600; letter-spacing: -0.3px; margin-bottom: 20px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 12px; font-weight: 500; color: var(--label-secondary); margin-bottom: 6px; }
.form-input {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--separator); border-radius: var(--radius-sm);
  font-size: 15px; font-family: inherit; color: var(--label); background: var(--bg);
  outline: none; transition: border-color 0.15s, box-shadow 0.15s; -webkit-appearance: none;
}
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form-input::placeholder { color: var(--label-tertiary); }
.forgot-link {
  display: block; text-align: right; font-size: 13px; color: var(--accent);
  margin-top: 6px; cursor: pointer; background: none; border: none;
  font-family: inherit; padding: 0;
}
.forgot-link:hover { text-decoration: underline; }
.signin-btn {
  width: 100%; padding: 11px; background: var(--accent); color: white;
  border: none; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; font-family: inherit;
  cursor: pointer; margin-top: 18px; transition: opacity 0.15s;
  display: flex; align-items: center; justify-content: center; gap: 8px; height: 44px;
}
.signin-btn:hover { opacity: 0.88; }
.signin-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.signin-error {
  background: rgba(255,59,48,0.08); border: 1px solid rgba(255,59,48,0.2);
  color: #FF3B30; font-size: 13px; border-radius: var(--radius-sm);
  padding: 10px 12px; margin-top: 14px; display: none;
}
.signin-error.visible { display: block; }
.signin-success {
  background: rgba(52,199,89,0.08); border: 1px solid rgba(52,199,89,0.2);
  color: #1a7a34; font-size: 13px; border-radius: var(--radius-sm);
  padding: 10px 12px; margin-top: 14px; display: none;
}
.signin-success.visible { display: block; }
.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.35); border-top-color: white;
  border-radius: 50%; animation: spin 0.6s linear infinite; display: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Hero ── */
.hero { padding: 80px 48px 56px; text-align: center; max-width: 680px; margin: 0 auto; }
.early-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,159,10,0.12); color: #9a6000;
  font-size: 12px; font-weight: 600;
  padding: 4px 12px; border-radius: 100px; margin-bottom: 22px;
}
h1 { font-size: 52px; font-weight: 700; line-height: 1.06; letter-spacing: -2px; margin-bottom: 16px; }
.hero-sub { font-size: 18px; color: var(--label-secondary); max-width: 440px; margin: 0 auto; line-height: 1.5; }

/* ── Billing cycle toggle ── */
.billing-toggle {
  display: inline-flex; background: var(--bg-secondary); border-radius: 100px;
  padding: 4px; gap: 2px; margin: 0 auto 32px;
}
.toggle-btn {
  font-family: inherit; font-size: 14px; font-weight: 500;
  color: var(--label-secondary);
  background: transparent; border: none; cursor: pointer;
  padding: 8px 20px; border-radius: 100px;
  transition: background 0.15s, color 0.15s;
  display: inline-flex; align-items: center; gap: 8px;
}
.toggle-btn:hover { color: var(--label); }
.toggle-btn.active { background: var(--bg); color: var(--label); box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.save-pill {
  background: var(--success); color: white;
  font-size: 10px; font-weight: 700; letter-spacing: 0.3px;
  padding: 2px 7px; border-radius: 100px;
}
.toggle-wrap { text-align: center; }

/* ── Pricing grid ── */
.pricing-section { padding: 0 48px 72px; }
.pricing-inner { max-width: 1280px; margin: 0 auto; }
.pricing-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; align-items: start; }

.plan-card {
  border: 1px solid var(--separator); border-radius: var(--radius-xl);
  padding: 28px 22px; background: var(--bg); position: relative;
}
.plan-card.featured { border-color: var(--accent); border-width: 2px; box-shadow: 0 0 0 4px var(--accent-soft); }

.featured-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: white;
  font-size: 11px; font-weight: 700; letter-spacing: 0.3px;
  padding: 3px 14px; border-radius: 100px; white-space: nowrap;
}

.plan-name {
  font-size: 13px; font-weight: 600; color: var(--label-secondary);
  letter-spacing: 0.3px; text-transform: uppercase; margin-bottom: 12px;
}
.plan-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.price-amount { font-size: 38px; font-weight: 700; letter-spacing: -1.5px; color: var(--label); }
.price-period { font-size: 14px; color: var(--label-secondary); font-weight: 400; }
.price-billed { font-size: 12px; color: var(--label-tertiary); margin-bottom: 20px; min-height: 16px; }

.plan-divider { height: 1px; background: var(--separator); margin-bottom: 20px; }

.plan-features { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-bottom: 28px; }
.plan-feature { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--label-secondary); line-height: 1.4; }
.check { font-size: 14px; color: var(--success); flex-shrink: 0; margin-top: 1px; }

.plan-cta {
  display: block; width: 100%; padding: 12px;
  border-radius: var(--radius-md); font-size: 15px; font-weight: 600;
  font-family: inherit; cursor: pointer; text-align: center;
  text-decoration: none; transition: opacity 0.15s, background 0.15s; letter-spacing: -0.2px;
}
.plan-cta-primary { background: var(--accent); color: white; border: none; }
.plan-cta-primary:hover { opacity: 0.88; }
.plan-cta-secondary { background: none; color: var(--accent); border: 1.5px solid var(--accent); }
.plan-cta-secondary:hover { background: var(--accent-soft); }

/* ── Note ── */
.note-section { padding: 0 48px 96px; }
.note-inner {
  max-width: 980px; margin: 0 auto;
  background: var(--bg-secondary); border-radius: var(--radius-lg);
  padding: 24px 28px; display: flex; align-items: flex-start; gap: 14px;
}
.note-icon { font-size: 18px; flex-shrink: 0; margin-top: 2px; }
.note-text { font-size: 14px; color: var(--label-secondary); line-height: 1.6; }
.note-text strong { color: var(--label); font-weight: 600; }

/* ── Footer ── */
footer {
  padding: 40px 48px; border-top: 1px solid var(--separator);
  display: flex; align-items: center; justify-content: space-between;
}
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo img { height: 22px; width: auto; }
.footer-links { display: flex; gap: 28px; list-style: none; }
.footer-links a { font-size: 13px; color: var(--label-tertiary); text-decoration: none; transition: color 0.15s; }
.footer-links a:hover { color: var(--label-secondary); }
.footer-copy { font-size: 13px; color: var(--label-tertiary); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--separator); border-radius: 3px; }

@media (max-width: 1200px) {
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hero { padding: 56px 24px 40px; }
  h1 { font-size: 36px; }
  .pricing-section { padding: 0 20px 56px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .note-section { padding: 0 20px 64px; }
  footer { padding: 32px 24px; flex-direction: column; gap: 20px; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px 24px; }
}
  
.footer-brand-text { font-size: 14px; font-weight: 600; }