:root {
  color-scheme: light;
  --ink: #293142;
  --blue: #00B4D8;
  --line: rgba(41, 49, 66, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: #fff; color: var(--ink); font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.5; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: var(--ink); text-underline-offset: 4px; }
button:focus-visible, a:focus-visible, iframe:focus-visible { outline: 3px solid var(--ink); outline-offset: 5px; }
[hidden] { display: none !important; }
img { display: block; max-width: 100%; height: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 5; padding: 12px 18px; background: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.site-header { width: min(100% - 40px, 1000px); margin-inline: auto; padding: 22px 0 10px; }
.brand { width: 174px; }
main { width: min(100% - 40px, 1000px); margin: 0 auto 36px; }
.hero { padding: 20px 0 0; text-align: center; }
h1 { max-width: 980px; margin: 0 auto; font-size: clamp(1.9rem, 4.3vw, 3.45rem); line-height: 1.12; letter-spacing: -.035em; font-weight: 800; text-wrap: balance; }
h1 span { color: var(--blue); }
h1 .student-count { white-space: nowrap; }
.intro { max-width: 760px; margin: 18px auto 22px; font-size: clamp(1rem, 1.8vw, 1.2rem); }
.video-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 14px; }
.video-actions:empty { display: none; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 10px; padding: 12px 20px; border: 1px solid var(--blue); border-radius: 8px; background: var(--blue); color: var(--ink); font-size: 1rem; line-height: 1.35; font-weight: 700; text-decoration: none; cursor: pointer; }
.button:hover { box-shadow: 0 0 0 2px var(--ink); }
.button svg { width: 21px; height: 21px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.play-button svg { fill: currentColor; stroke: none; }
.video-frame { width: 100%; max-width: 960px; margin-inline: auto; aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: #fff; box-shadow: 0 12px 36px rgba(41, 49, 66, .08); }
.video-frame iframe { display: block; width: 100%; height: 100%; border: 0; }
.booking-section { max-width: 880px; margin: 20px auto 0; text-align: center; }
.calendar-cue { display: inline-flex; align-items: center; justify-content: center; width: 80px; height: 80px; margin-bottom: 8px; border-radius: 8px; }
.calendar-cue svg { width: 60px; height: 60px; fill: var(--blue); animation: calendar-arrow-pulse 1.6s ease-in-out infinite; }
@keyframes calendar-arrow-pulse {
  0%, 100% { transform: translateY(-3px) scale(.96); }
  50% { transform: translateY(6px) scale(1.04); }
}
.calendar-container { min-height: 120px; width: 100%; scroll-margin-top: 24px; }
.calendar-container.calendar-enabled { min-height: 760px; }
.calendar-status { margin: 0; padding: 42px 20px; }
.growth-review-calendar-frame { display: block; width: 100%; height: 820px; border: 0; overflow: hidden; }

@media (max-width: 600px) {
  .site-header { width: calc(100% - 32px); padding-top: 16px; }
  .brand { width: 154px; }
  main { width: calc(100% - 32px); }
  .hero { padding-top: 16px; }
  .intro { margin: 16px auto 20px; }
  .video-actions { gap: 10px; }
  .unmute-button { width: 100%; max-width: 390px; padding-inline: 12px; font-size: .925rem; }
  .video-frame { border-radius: 7px; }
  .booking-section { margin-top: 16px; }
  .growth-review-calendar-frame { height: 960px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .calendar-cue svg { animation: none; }
}