:root {
  --bg: #FAFAF9;
  --surface: #FFFFFF;
  --border: #E7E5E2;
  --text: #1F1F1F;
  --text-secondary: #6B6B6B;
  --text-faint: #A3A19D;
  --accent: #3B6FD6;
  --accent-soft: #EAF0FC;
  --accent-dark: #2f5cb8;
  --success: #4A8B6F;
  --success-soft: #EBF3EF;
  --warning: #C7791A;
  --warning-soft: #FBF1E3;
  --danger: #C7402F;
  --danger-soft: #FBEAE7;
  --shadow-sm: 0 1px 2px rgba(20,20,20,0.04);
  --shadow-md: 0 4px 16px rgba(20,20,20,0.08);
  --shadow-lg: 0 12px 32px rgba(20,20,20,0.14);
  --radius: 12px;
  --radius-sm: 8px;
}

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

html, body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

.header {
  position: sticky;
  top: 0;
  background: rgba(250,250,249,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.logo img { width: 32px; height: 32px; border-radius: 8px; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav a {
  text-decoration: none; color: var(--text-secondary);
  font-size: 14px; font-weight: 500;
  padding: 8px 14px; border-radius: var(--radius-sm);
  transition: all .15s;
}
.nav a:hover { color: var(--text); background: var(--surface); }
.nav a.cta {
  background: var(--accent); color: #fff;
  box-shadow: var(--shadow-sm);
}
.nav a.cta:hover { background: var(--accent-dark); }

.hero { padding: 64px 0 48px; text-align: center; }
.hero-compact { padding: 40px 0 24px; }
h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; letter-spacing: -0.03em;
  line-height: 1.15; margin-bottom: 16px;
}
.hero-sub {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-secondary); max-width: 640px;
  margin: 0 auto 28px;
}
.section { padding: 56px 0; }
.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-size: clamp(22px, 3vw, 28px); font-weight: 700;
  letter-spacing: -0.02em; margin-bottom: 12px;
}
.legal-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}
.legal-body h2 { font-size: 20px; margin: 28px 0 12px; }
.legal-body p, .legal-body li { color: var(--text-secondary); margin-bottom: 12px; font-size: 15px; }
.legal-body ul { padding-left: 24px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; text-decoration: none;
  border: none; cursor: pointer; transition: all .15s;
  font-family: inherit;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-sm);
}
.pricing-calc { max-width: 520px; margin: 0 auto; }
.seat-counter-row { display: flex; flex-direction: column; gap: 10px; margin: 20px 0; }
.seat-counter {
  display: grid; grid-template-columns: 1fr 1fr auto; gap: 14px;
  align-items: center; padding: 12px 16px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg);
}
.seat-counter[data-role="head"] { background: var(--accent-soft); }
.seat-counter-label { font-weight: 600; }
.seat-counter-price { color: var(--text-secondary); font-size: 14px; }
.seat-counter-ctrl { display: flex; gap: 8px; align-items: center; }
.seat-counter-val { min-width: 36px; text-align: center; font-weight: 600; font-size: 16px; max-width: 80px; }
.seat-counter-fixed .seat-counter-fixed-note { font-size: 14px; color: var(--text-secondary); font-weight: 600; text-align: right; }
.discount-banner {
  display: none;
  background: var(--success-soft);
  border: 1px solid var(--success);
  color: var(--text);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  text-align: center;
}
.price-breakdown {
  margin: 20px 0;
  padding: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
}
.price-breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
}
.price-breakdown-row.discount-block {
  margin: 8px 0;
  padding: 10px 12px;
  background: var(--success-soft);
  border: 1px solid var(--success);
  border-radius: 6px;
  font-weight: 700;
  color: var(--success);
}
.price-breakdown-row.total-row {
  margin-top: 10px;
  padding-top: 12px;
  border-top: 2px solid var(--border);
  font-size: 18px;
  font-weight: 800;
}
.codes-cabinet-hint {
  margin: 0 0 14px;
  padding: 10px 12px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-size: 14px;
  color: var(--text);
}
.total-box {
  margin: 20px 0; padding: 16px 20px;
  background: var(--warning-soft); border: 1px solid var(--warning);
  border-radius: var(--radius-sm); font-weight: 700; font-size: 18px;
}
.renew-box {
  margin-top: 24px; padding: 20px;
  background: var(--success-soft); border: 1px solid var(--success);
  border-radius: var(--radius);
  display: none;
}
.renew-box.visible { display: block; }

.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(20,20,20,0.55);
  align-items: center; justify-content: center; z-index: 300;
}
.modal-overlay.active { display: flex; }
.modal {
  background: #fff; border-radius: var(--radius);
  max-width: 520px; width: 92%; padding: 0;
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; max-height: 90vh;
}
.modal-header {
  padding: 18px 22px; border-bottom: 1px solid var(--border);
  font-size: 18px; font-weight: 600;
}
.modal-body { padding: 18px 22px; overflow-y: auto; }
.modal-footer {
  padding: 14px 22px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap;
}
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #1f1f1f; color: #fff; padding: 10px 18px;
  border-radius: 8px; font-size: 13px; opacity: 0; transition: opacity 0.2s; z-index: 400;
}
.toast.show { opacity: 1; }

.footer {
  border-top: 1px solid var(--border); padding: 32px 0;
  text-align: center; color: var(--text-faint); font-size: 13px;
}
.footer a { color: var(--text-secondary); margin: 0 8px; }

.legal-consent {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 12px;
  line-height: 1.5;
}
.legal-consent label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
}
.legal-consent input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}
.legal-consent a { color: var(--accent); }

@media (max-width: 720px) {
  .nav .hide-mobile { display: none; }
  .seat-counter { grid-template-columns: 1fr; }
}