.tn-lecture-page {
  background: #f2f2f8;
}

.tn-lecture-hero {
  position: relative;
  display: grid;
  height: 540px;
  place-items: center;
  overflow: hidden;
  background: #303747 var(--tn-lecture-hero) center / cover no-repeat;
}

.tn-lecture-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(19, 22, 34, .16), rgba(19, 22, 34, .58));
}

.tn-lecture-hero__content {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 48px), 900px);
  color: #fff;
  text-align: center;
}

.tn-lecture-hero h1 {
  margin: 0;
  color: #fff;
  font-family: var(--tn-serif);
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.3;
}

.tn-lecture-hero .tn-breadcrumb {
  justify-content: center;
  margin-bottom: 20px;
  color: rgba(117, 122, 250, .9);
}

.tn-lecture-content-cta,
.tn-registration-submit button {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  justify-content: center;
  min-width: 120px;
  margin-top: 32px;
  padding: 10px 18px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: var(--tn-primary);
  cursor: pointer;
  font-size: 14px;
}

.tn-lecture-content-cta span,
.tn-registration-submit button span {
  font-size: 18px;
}

.tn-lecture-paper {
  position: relative;
  display: flow-root;
  padding: 0 0 80px;
  background: #f2f2f8;
}

.tn-lecture-inner {
  position: relative;
  width: min(calc(100% - 144px), 1296px);
  margin: -60px auto 0;
  padding: 60px 72px;
  overflow: hidden;
  background: var(--Color-Gray-bg3, #e8e8f2);
}

.tn-registration {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 144px), 1296px);
  margin: 0 auto;
}

.tn-registration::before {
  position: absolute;
  z-index: -1;
  inset: 0 calc(50% - 50vw);
  background: #fff;
  content: "";
}

.tn-lecture-inner> :not(.tn-lecture-watermark) {
  position: relative;
  z-index: 1;
  margin-top: 40px;
}

.tn-lecture-watermark {
  position: absolute;
  z-index: 0;
  right: -40px;
  bottom: -65px;
  width: 80%;
  max-width: none;
  pointer-events: none;
}

.tn-lecture-content-cta {
  margin: 0 0 24px;
}

.tn-journal-page .tn-lecture-content-cta {
  color: #fff;
}

.tn-lecture-facts {
  display: grid;
  grid-template-columns: 1fr 1fr 1.35fr;
  gap: 28px;
  margin: 0 0 40px;
  padding: 28px 24px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(43, 45, 80, .08);
}

.tn-lecture-facts>div {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  min-width: 0;
}

.tn-lecture-facts__icon {
  color: var(--tn-primary);
  font-size: 18px;
}

.tn-lecture-facts p {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
}

.tn-lecture-facts small {
  display: block;
  margin-bottom: 4px;
  color: var(--tn-subtle);
  font-size: 12px;
  letter-spacing: 1px;
}

.tn-lecture-facts em {
  display: block;
  color: #1A1A2E;
  font-size: 12px;
  font-style: normal;
}

.tn-section-heading {
  margin-bottom: 44px;
}

.tn-section-heading>p {
  margin: 0 0 12px;
  color: var(--tn-primary);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 1px;
}

.tn-section-heading>p span {
  color: var(--tn-primary);
  font-size: 12px;
}

.tn-section-heading h2 {
  margin: 0;
  font-family: var(--tn-serif);
  font-size: 40px;
  line-height: 1.4;
}

.tn-lecture-topics {
  display: grid;
  gap: 20px;
}

.tn-lecture-topic {
  display: grid;
  grid-template-columns: 120px 1fr;
  min-height: 158px;
  overflow: hidden;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(43, 45, 80, .06);
}

.tn-lecture-topic>strong {
  display: grid;
  place-items: center;
  color: #6064cd;
  background: var(--tn-primary-pale);
  font-size: 48px;
  font-weight: 500;
}

.tn-lecture-topic--2>strong {
  color: #fff;
  background: #757afa;
}

.tn-lecture-topic--3>strong {
  color: #fff;
  background: #6064cd;
}

.tn-lecture-topic--4>strong {
  color: #fff;
  background: #757afa;
}

.tn-lecture-topic--5>strong {
  color: #fff;
  background: #6064cd;
}

.tn-lecture-topic--6>strong {
  color: #6064cd;
  background: var(--tn-primary-pale);
}

.tn-lecture-topic>div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px 40px;
}

.tn-lecture-topic small {
  align-self: flex-start;
  margin-bottom: 10px;
  padding: 4px 12px;
  background: var(--tn-paper);
  color: var(--tn-muted);
  font-size: 12px;
}

.tn-lecture-topic h3 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.35;
}

.tn-lecture-topic p {
  margin: 0;
  color: var(--tn-muted);
  font-size: 16px;
  line-height: 1.8;
}

.tn-lecture-venue-map {
  margin: 48px 0 0;
  overflow: hidden;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(43, 45, 80, .06);
}

.tn-lecture-venue-map img {
  display: block;
  width: 100%;
  height: auto;
}

.tn-lecture-notes {
  margin-top: 48px;
  overflow: hidden;
  border-top: 7px solid var(--tn-gold);
  border-radius: 16px;
  background: #fff;
}

.tn-lecture-notes header {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--tn-line);
}

.tn-lecture-notes header>span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--tn-gold);
  font-weight: 700;
}

.tn-lecture-notes header p {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.tn-lecture-notes header small {
  display: block;
  color: var(--tn-subtle);
  font-size: 12px;
  font-weight: 400;
}

.tn-lecture-notes ul {
  margin: 0;
  padding: 22px 32px 28px 48px;
  color: var(--tn-muted);
  font-size: 14px;
  line-height: 2;
}

.tn-lecture-notes li::marker {
  color: var(--tn-gold);
}

.tn-registration {
  padding: 60px 0 80px;
  scroll-margin-top: 88px;
}

.tn-registration-form {
  position: relative;
  padding: 28px;
  border-radius: 10px;
  background: #e8e8f2;
}

.tn-registration-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
}

.tn-form-field {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 8px;
  color: var(--tn-muted);
  font-size: 14px;
}

.tn-form-field--wide {
  grid-column: 1 / -1;
  padding-right: 110px;
}

.tn-form-field input,
.tn-form-field select {
  width: 100%;
  height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: 4px;
  outline: none;
  background: rgba(255, 255, 255, .82);
  color: var(--tn-ink);
  font: inherit;
}

.tn-form-field input:focus,
.tn-form-field select:focus {
  border-color: var(--tn-primary);
  box-shadow: 0 0 0 2px rgba(117, 122, 250, .12);
}

.tn-form-gender {
  position: absolute;
  top: 79px;
  right: 16px;
  display: flex;
  gap: 12px;
  color: var(--tn-muted);
  font-size: 10px;
}

.tn-form-gender label,
.tn-registration-options label,
.tn-registration-consent {
  display: flex;
  gap: 8px;
  align-items: center;
  cursor: pointer;
}

.tn-form-gender input,
.tn-registration-options input {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--tn-primary);
}

.tn-registration-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px 28px;
  margin: 24px 0;
  padding: 18px 0 0;
  border: 0;
  border-top: 1px solid rgba(153, 153, 181, .28);
}

.tn-registration-options label {
  color: var(--tn-muted);
  font-size: 14px;
  line-height: 1.5;
}

.tn-registration-consent {
  color: var(--tn-subtle);
  font-size: 12px;
}

.tn-registration-consent input {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--tn-primary);
}

.tn-registration-submit {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-top: 18px;
}

.tn-registration-submit button {
  margin: 0;
}

.tn-registration-submit p,
.tn-registration-status {
  margin: 0;
  color: var(--tn-subtle);
  font-size: 12px;
}

.tn-registration-status {
  min-height: 18px;
  padding-top: 10px;
  color: var(--tn-dark);
}

@media (max-width: 760px) {
  .tn-lecture-hero {
    height: 480px;
  }

  .tn-lecture-paper {
    padding: 0 0 56px;
  }

  .tn-lecture-inner {
    width: calc(100% - 32px);
    margin-top: -32px;
    padding: 36px 20px;
  }

  .tn-registration {
    width: calc(100% - 32px);
  }

  .tn-lecture-facts {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 44px;
  }

  .tn-section-heading h2 {
    font-size: 26px;
  }

  .tn-lecture-topic {
    grid-template-columns: 64px 1fr;
    min-height: 0;
    border-radius: 12px;
  }

  .tn-lecture-topic>strong {
    font-size: 28px;
  }

  .tn-lecture-topic>div {
    padding: 22px 18px;
  }

  .tn-lecture-topic h3 {
    font-size: 19px;
  }

  .tn-lecture-topic p {
    font-size: 14px;
  }

  .tn-registration {
    padding: 48px 0 60px;
  }

  .tn-registration-form {
    padding: 20px 16px;
  }

  .tn-registration-form__grid {
    grid-template-columns: 1fr;
  }

  .tn-form-field--wide {
    grid-column: auto;
    padding-right: 0;
  }

  .tn-form-gender {
    position: static;
    margin: 14px 0 0;
  }

  .tn-registration-options {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .tn-registration-submit {
    align-items: flex-start;
    flex-direction: column;
  }

  .tn-lecture-watermark {
    right: -55px;
    bottom: -20px;
    width: 240px;
    opacity: .1;
  }
}