:root {
  --paper: #121116;
  --panel: #1C1821;
  --panel-2: #242032;
  --ink: #F6F3F5;
  --muted: #CEC5D0;
  --line: #68545F;
  --accent: #313B88;
  --accent-hover: #404C9F;
  --pink: #F4A8CD;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}
a { color: var(--pink); text-underline-offset: 4px; }
a:hover { color: #FFD6E2; }
a:focus-visible, button:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--pink);
  outline-offset: 3px;
}
.booking-shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}
.booking-back {
  display: inline-block;
  margin-bottom: 28px;
  text-decoration: none;
  font-weight: 600;
}
.booking-card-page {
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid #433747;
  border-radius: 12px;
  background: var(--panel);
}
.booking-kicker {
  margin: 0 0 8px;
  color: var(--pink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.15;
}
h1 {
  margin: 0 0 14px;
  font-size: clamp(34px, 5vw, 54px);
}
h2 {
  margin: 34px 0 14px;
  font-size: clamp(25px, 3vw, 34px);
}
p { max-width: 68ch; }
.booking-summary {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 18px;
}
.price-box {
  margin: 28px 0;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
}
.price-box h2 { margin-top: 0; }
.price-box ul { margin-bottom: 0; padding-left: 22px; }
.price-box li + li { margin-top: 8px; }
.package-label {
  display: block;
  margin: 28px 0 8px;
  font-weight: 700;
}
#session-package {
  width: 100%;
  padding: 14px;
  border: 1px solid #7B88CB;
  border-radius: 6px;
  background: #24283E;
  color: var(--ink);
  font: inherit;
}
.booking-calendar {
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #18161E;
}
.booking-calendar[hidden] { display: none; }
.booking-calendar summary {
  padding: 15px 18px;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}
.booking-calendar summary:hover { background: var(--accent-hover); }
.booking-guidance, .booking-fallback { margin: 16px 18px; color: var(--muted); }
.calendly-inline-widget { min-width: 0; width: 100%; height: 900px; }
#math-calendar-frame iframe { display: block; width: 100%; height: 1000px; border: 0; }
.booking-note { color: var(--muted); font-size: 14px; }
@media (max-width: 560px) {
  .booking-shell { width: min(100% - 20px, 960px); padding-top: 20px; }
  .booking-card-page { padding: 22px 16px; }
  .calendly-inline-widget { height: 1000px; }
}