/* Reading Club cohort promo modal */

.sst-promo {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}

.sst-promo.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.sst-promo[hidden] {
  display: none !important;
}

.sst-promo.is-open[hidden] {
  display: flex !important;
}

.sst-promo__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.58);
  backdrop-filter: blur(2px);
}

.sst-promo__dialog {
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  width: min(100%, 440px);
  margin: 0;
  padding: 28px 24px 20px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background:
    linear-gradient(165deg, #ffffff 0%, #f8fafc 55%, #f1f5f9 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 24px 56px rgba(15, 23, 42, 0.22);
  color: #0f172a;
  transform: translateY(14px) scale(0.98);
  opacity: 0;
  transition: transform 0.45s ease, opacity 0.45s ease;
  outline: none;
}

.sst-promo.is-open .sst-promo__dialog {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.sst-promo__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.16);
  color: #475569;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.sst-promo__close:hover,
.sst-promo__close:focus-visible {
  background: rgba(15, 118, 110, 0.12);
  color: #0f766e;
  outline: none;
}

.sst-promo__eyebrow {
  margin: 0 0 10px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #0f766e;
}

.sst-promo__lead {
  margin: 0 36px 12px 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: -0.02em;
  color: #334155;
  word-break: keep-all;
}

.sst-promo__title {
  margin: 0 36px 18px 0;
  font-size: clamp(1.15rem, 3.2vw, 1.35rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.03em;
  color: #0f172a;
  word-break: keep-all;
}

.sst-promo__reg {
  font-size: 0.55em;
  line-height: 0;
  vertical-align: super;
}

.sst-promo__features {
  list-style: none;
  margin: 0 0 22px;
  padding: 14px 14px 14px 16px;
  border-radius: 12px;
  background: rgba(15, 118, 110, 0.06);
  border: 1px solid rgba(15, 118, 110, 0.12);
}

.sst-promo__features li {
  position: relative;
  margin: 0;
  padding: 0 0 0 14px;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: #1e293b;
  word-break: keep-all;
}

.sst-promo__features li + li {
  margin-top: 10px;
}

.sst-promo__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #0f766e;
}

.sst-promo__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 100%;
  min-height: 48px;
  margin: 0 0 16px;
  padding: 0 20px;
  border-radius: 999px;
  background: #0f766e;
  color: #ffffff;
  font-size: 0.9375rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: background 0.15s ease, transform 0.15s ease;
}

.sst-promo__cta:hover,
.sst-promo__cta:focus-visible {
  background: #0d9488;
  outline: none;
}

.sst-promo__cta:active {
  transform: translateY(1px);
}

.sst-promo__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 4px;
  border-top: 1px solid rgba(148, 163, 184, 0.28);
}

.sst-promo__hide-today {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #64748b;
  cursor: pointer;
  user-select: none;
}

.sst-promo__hide-today input {
  width: 15px;
  height: 15px;
  margin: 0;
  accent-color: #0f766e;
  cursor: pointer;
}

.sst-promo__dismiss {
  flex-shrink: 0;
  margin: 0;
  padding: 6px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #475569;
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

.sst-promo__dismiss:hover,
.sst-promo__dismiss:focus-visible {
  color: #0f766e;
  background: rgba(15, 118, 110, 0.08);
  outline: none;
}

body.sst-promo-open {
  overflow: hidden;
}

@media (max-width: 520px) {
  .sst-promo {
    padding: 12px;
    align-items: flex-end;
  }

  .sst-promo__dialog {
    width: 100%;
    padding: 24px 18px 16px;
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
    transform: translateY(24px);
  }

  .sst-promo.is-open .sst-promo__dialog {
    transform: translateY(0);
  }

  .sst-promo__lead {
    font-size: 0.875rem;
  }

  .sst-promo__title {
    margin-right: 32px;
    font-size: 1.125rem;
  }

  .sst-promo__features li {
    font-size: 0.8125rem;
  }

  .sst-promo__foot {
    flex-wrap: wrap;
  }
}