:root {
  --webinar-blue: #2351ff;
  --webinar-blue-dark: #173bd0;
  --webinar-ink: #101828;
  --webinar-muted: #5d6b82;
  --webinar-line: #dfe6f0;
  --webinar-soft: #f4f7fb;
}

.webinar-page { background: #fff; color: var(--webinar-ink); overflow-x: hidden; }
.webinar-page .floating-call-button { display: none; }
.webinar-container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.webinar-reading-container { width: min(880px, calc(100% - 40px)); }
.webinar-hero { padding: 132px 0 68px; background: linear-gradient(180deg, #f7f9fd 0%, #fff 72%); }
.webinar-hero h1 { max-width: 940px; margin: 0 auto 44px; font-family: 'Sora', sans-serif; font-size: clamp(42px, 6vw, 76px); line-height: 1.03; letter-spacing: -.055em; text-align: center; color: var(--webinar-ink); }
.webinar-player-shell { padding: 10px; border: 1px solid #dbe3ef; border-radius: 28px; background: #fff; box-shadow: 0 26px 80px rgba(22, 39, 72, .15); }
.webinar-player { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 20px; background: #0d1320; }
.webinar-player iframe { width: 100%; height: 100%; border: 0; }
.webinar-placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 24px; color: #fff; text-align: center; background: radial-gradient(circle at 50% 20%, #2447a2 0%, #111a31 45%, #090d16 100%); }
.webinar-placeholder strong { font: 700 clamp(22px, 3vw, 34px)/1.2 'Sora', sans-serif; }
.webinar-placeholder small { color: #b8c4db; font-size: 14px; }
.webinar-play-icon { display: grid; place-items: center; width: 78px; height: 78px; margin-bottom: 8px; border-radius: 50%; padding-left: 5px; color: var(--webinar-blue); background: #fff; font-size: 25px; box-shadow: 0 16px 40px rgba(0, 0, 0, .28); }
.webinar-under-player { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 32px; }
.webinar-under-player p { margin: 0; font-size: clamp(18px, 2vw, 23px); font-weight: 700; }
.webinar-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 54px; padding: 14px 22px; border-radius: 12px; color: #fff; background: var(--webinar-blue); font-weight: 800; text-decoration: none; box-shadow: 0 12px 24px rgba(35, 81, 255, .22); transition: background .2s ease, transform .2s ease; }
.webinar-button:hover { color: #fff; background: var(--webinar-blue-dark); transform: translateY(-1px); }
.webinar-section { padding: 92px 0; }
.webinar-heading { max-width: 760px; margin-bottom: 42px; }
.webinar-heading > span, .webinar-cta-panel > div > span, .webinar-final-inner > div > span { display: block; margin-bottom: 12px; color: var(--webinar-blue); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.webinar-heading h2, .webinar-cta-panel h2, .webinar-final h2 { margin: 0; font-family: 'Sora', sans-serif; font-size: clamp(31px, 4vw, 48px); line-height: 1.12; letter-spacing: -.04em; color: var(--webinar-ink); }
.webinar-heading p { max-width: 700px; margin: 18px 0 0; color: var(--webinar-muted); font-size: 18px; line-height: 1.75; }
.webinar-learn { background: var(--webinar-soft); }
.webinar-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.webinar-card { padding: 32px; border: 1px solid var(--webinar-line); border-radius: 20px; background: #fff; }
.webinar-card-number { display: inline-flex; margin-bottom: 40px; color: var(--webinar-blue); font: 700 14px/1 'Sora', sans-serif; }
.webinar-card h3 { margin: 0 0 12px; font: 700 21px/1.3 'Sora', sans-serif; letter-spacing: -.025em; }
.webinar-card p { margin: 0; color: var(--webinar-muted); line-height: 1.65; }
.webinar-cta-section { padding: 72px 0; }
.webinar-cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 48px; padding: 48px; border-radius: 28px; background: var(--webinar-ink); color: #fff; }
.webinar-cta-panel > div { max-width: 700px; }
.webinar-cta-panel h2 { color: #fff; font-size: clamp(29px, 4vw, 42px); }
.webinar-cta-panel p { margin: 16px 0 0; color: #c6cfdd; line-height: 1.65; }
.webinar-button-light { flex: 0 0 auto; color: var(--webinar-ink); background: #fff; box-shadow: none; }
.webinar-button-light:hover { color: var(--webinar-ink); background: #edf2ff; }
.webinar-transcript-section { background: #fff; }
.webinar-transcript { padding: 48px; border: 1px solid var(--webinar-line); border-radius: 24px; background: #fff; box-shadow: 0 20px 60px rgba(20, 35, 62, .07); }
.webinar-transcript section + section { padding-top: 32px; margin-top: 32px; border-top: 1px solid var(--webinar-line); }
.webinar-transcript h3 { margin: 0 0 20px; font: 700 24px/1.35 'Sora', sans-serif; letter-spacing: -.025em; }
.webinar-transcript p { margin: 0 0 17px; color: #3f4d63; font-size: 17px; line-height: 1.85; }
.webinar-transcript p:last-child { margin-bottom: 0; }
.webinar-faq-section { background: var(--webinar-soft); }
.webinar-faq-list { display: grid; gap: 12px; }
.webinar-faq-list details { border: 1px solid var(--webinar-line); border-radius: 16px; background: #fff; }
.webinar-faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 70px; padding: 20px 24px; cursor: pointer; list-style: none; font-weight: 750; }
.webinar-faq-list summary::-webkit-details-marker { display: none; }
.webinar-faq-list summary i { color: var(--webinar-blue); font-size: 25px; font-style: normal; transition: transform .2s ease; }
.webinar-faq-list details[open] summary i { transform: rotate(45deg); }
.webinar-faq-list details p { margin: 0; padding: 0 60px 24px 24px; color: var(--webinar-muted); line-height: 1.75; }
.webinar-final { padding: 82px 0; }
.webinar-final-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.webinar-final h2 { max-width: 720px; }
.webinar-sticky-cta { display: none; }
.webinar-sticky-cta[hidden] { display: none; }

@media (max-width: 920px) {
  .webinar-hero { padding-top: 118px; }
  .webinar-card-grid { grid-template-columns: 1fr; }
  .webinar-card-number { margin-bottom: 20px; }
  .webinar-cta-panel, .webinar-final-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 720px) {
  .webinar-page { padding-bottom: 82px; }
  .webinar-container, .webinar-reading-container { width: min(100% - 28px, 1120px); }
  .webinar-hero { padding: 108px 0 54px; }
  .webinar-hero h1 { margin-bottom: 28px; font-size: clamp(36px, 11vw, 50px); }
  .webinar-player-shell { padding: 5px; border-radius: 18px; }
  .webinar-player { border-radius: 13px; }
  .webinar-placeholder small { max-width: 260px; }
  .webinar-play-icon { width: 58px; height: 58px; font-size: 19px; }
  .webinar-under-player { align-items: stretch; flex-direction: column; margin-top: 24px; }
  .webinar-under-player .webinar-button, .webinar-cta-panel .webinar-button, .webinar-final .webinar-button { width: 100%; }
  .webinar-section { padding: 68px 0; }
  .webinar-heading { margin-bottom: 30px; }
  .webinar-heading p { font-size: 16px; line-height: 1.65; }
  .webinar-card { padding: 26px; }
  .webinar-cta-section { padding: 50px 0; }
  .webinar-cta-panel { gap: 30px; padding: 30px 24px; border-radius: 22px; }
  .webinar-transcript { padding: 28px 22px; border-radius: 18px; }
  .webinar-transcript h3 { font-size: 21px; }
  .webinar-transcript p { font-size: 16px; line-height: 1.75; }
  .webinar-faq-list summary { min-height: 64px; padding: 18px; }
  .webinar-faq-list details p { padding: 0 44px 20px 18px; }
  .webinar-final { padding: 64px 0; }
  .webinar-sticky-cta { position: fixed; z-index: 70; left: 12px; right: 12px; bottom: 10px; display: block; }
  .webinar-sticky-cta .webinar-button { width: 100%; min-height: 58px; }
}

@media (prefers-reduced-motion: reduce) {
  .webinar-button, .webinar-faq-list summary i { transition: none; }
}