.seminar-renewal-page { background: #fff; }

.seminar-hero {
  padding: clamp(42px, 5.5vw, 76px) 0 clamp(58px, 7vw, 96px);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-sub);
}

.seminar-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(460px, 1.22fr);
  gap: clamp(42px, 7vw, 90px);
  align-items: center;
}

.seminar-hero h1 {
  margin: 12px 0 22px;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1.12;
  letter-spacing: -.04em;
  white-space: nowrap;
}

.seminar-hero__lead {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.9;
}

.seminar-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.seminar-hero figure { margin: 0; }
.seminar-hero__photo { overflow: hidden; border-radius: var(--radius-medium); background: #ddd; aspect-ratio: 3 / 2; }
.seminar-hero__photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 44%; }
.seminar-hero figcaption { margin-top: 10px; color: var(--color-text-secondary); font-size: 13px; }

.seminar-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, .65fr);
  gap: clamp(44px, 7vw, 92px);
  align-items: start;
}

.seminar-intro__copy h2 { max-width: 760px; }
.seminar-intro__copy p:not(.eyebrow) { max-width: 760px; color: var(--color-text-secondary); font-size: 17px; line-height: 1.9; }
.seminar-intro__speaker { padding: 24px 0 0 26px; border-top: 3px solid var(--color-primary); border-left: 1px solid var(--color-border); }
.seminar-intro__speaker h3 { margin: 7px 0 5px; font-size: 25px; }
.seminar-intro__speaker p { margin-bottom: 16px; color: var(--color-text-secondary); }
.seminar-intro__speaker a { color: var(--color-primary-dark); font-weight: 700; text-decoration: underline; text-underline-offset: 4px; }

.seminar-themes { background: var(--color-bg-sub); }
.seminar-theme-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 38px; border-top: 1px solid var(--color-border); }
.seminar-theme-list article { padding: 24px 30px 25px 0; border-bottom: 1px solid var(--color-border); }
.seminar-theme-list article:nth-child(odd) { padding-right: 34px; border-right: 1px solid var(--color-border); }
.seminar-theme-list article:nth-child(even) { padding-left: 34px; }
.seminar-theme-list h3 { margin: 0 0 7px; font-size: 20px; }
.seminar-theme-list p { margin: 0; color: var(--color-text-secondary); line-height: 1.8; }
.seminar-theme-list a { color: var(--color-primary-dark); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

.seminar-featured {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: clamp(30px, 5vw, 68px);
  margin-top: 42px;
  padding: clamp(28px, 4vw, 48px) 0;
  border-top: 3px solid var(--color-primary);
  border-bottom: 1px solid var(--color-border);
}
.seminar-featured__date { color: var(--color-primary-dark); font-weight: 800; }
.seminar-featured__content > p:first-child { margin-bottom: 7px; color: var(--color-text-secondary); font-weight: 700; }
.seminar-featured h3 { max-width: 830px; margin: 0 0 16px; font-size: clamp(25px, 3vw, 38px); line-height: 1.45; }
.seminar-featured__content > p:not(:first-child) { max-width: 850px; color: var(--color-text-secondary); line-height: 1.85; }
.seminar-featured a { color: var(--color-primary-dark); font-weight: 700; text-decoration: underline; text-underline-offset: 4px; }

.seminar-history-group { margin-top: clamp(54px, 7vw, 88px); }
.seminar-history-group__head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 20px; }
.seminar-history-group__head h3 { margin: 0; font-size: clamp(24px, 2.6vw, 34px); }
.seminar-history-group__head p { max-width: 500px; margin: 0; color: var(--color-text-secondary); }
.seminar-history-list { border-top: 1px solid var(--color-border-dark); }
.seminar-history-item { display: grid; grid-template-columns: 142px 245px minmax(0, 1fr); gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--color-border); }
.seminar-history-item time { color: var(--color-primary-dark); font-weight: 800; }
.seminar-history-item strong { color: var(--color-text); font-size: 16px; }
.seminar-history-item p { margin: 0; color: var(--color-text-secondary); line-height: 1.75; }

.seminar-workshop-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--color-border-dark); }
.seminar-workshop-list div { display: grid; gap: 4px; padding: 18px 22px 18px 0; border-bottom: 1px solid var(--color-border); }
.seminar-workshop-list div:not(:nth-child(3n)) { border-right: 1px solid var(--color-border); }
.seminar-workshop-list div:nth-child(3n+2), .seminar-workshop-list div:nth-child(3n) { padding-left: 22px; }
.seminar-workshop-list time { color: var(--color-primary-dark); font-size: 13px; font-weight: 800; }
.seminar-workshop-list span { font-weight: 700; }

.seminar-principles { background: var(--color-bg-sub); }
.seminar-principles__grid { display: grid; grid-template-columns: minmax(360px, .85fr) minmax(0, 1.15fr); gap: clamp(42px, 7vw, 90px); align-items: center; }
.seminar-principles figure { margin: 0; }
.seminar-principles__photo { overflow: hidden; border-radius: var(--radius-medium); aspect-ratio: 14 / 9; }
.seminar-principles__photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.seminar-principles figcaption { margin-top: 10px; color: var(--color-text-secondary); font-size: 13px; }
.seminar-principles__list { margin: 28px 0 0; padding: 0; border-top: 1px solid var(--color-border); list-style: none; }
.seminar-principles__list li { padding: 18px 0; border-bottom: 1px solid var(--color-border); }
.seminar-principles__list strong { display: block; margin-bottom: 4px; font-size: 18px; }
.seminar-principles__list span { color: var(--color-text-secondary); line-height: 1.75; }

.seminar-format__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 36px; border-top: 1px solid var(--color-border); }
.seminar-format__grid article { padding: 24px 28px 10px 0; border-right: 1px solid var(--color-border); }
.seminar-format__grid article + article { padding-left: 28px; }
.seminar-format__grid article:last-child { border-right: 0; }
.seminar-format__grid h3 { margin-bottom: 8px; font-size: 20px; }
.seminar-format__grid p { color: var(--color-text-secondary); line-height: 1.8; }
.seminar-format__note { margin: 24px 0 0; padding: 18px 22px; border-left: 3px solid var(--color-primary); background: var(--color-bg-sub); }

.seminar-yeg { border-top: 1px solid var(--color-border); }
.seminar-yeg__inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 38px; align-items: center; }
.seminar-yeg h2 { margin-bottom: 12px; }
.seminar-yeg p:not(.eyebrow) { max-width: 750px; color: var(--color-text-secondary); }

.seminar-renewal-page .final-cta h2 { max-width: 850px; }

@media (max-width: 1020px) {
  .seminar-hero__inner { grid-template-columns: minmax(0, .9fr) minmax(380px, 1.1fr); gap: 42px; }
  .seminar-history-item { grid-template-columns: 125px 200px minmax(0, 1fr); gap: 18px; }
}

@media (max-width: 860px) {
  .seminar-hero__inner,
  .seminar-intro__grid,
  .seminar-principles__grid { grid-template-columns: 1fr; }
  .seminar-hero__photo { max-height: 520px; }
  .seminar-intro__speaker { max-width: 560px; }
  .seminar-history-group__head { display: block; }
  .seminar-history-group__head p { margin-top: 10px; }
  .seminar-history-item { grid-template-columns: 125px minmax(180px, .65fr) minmax(0, 1fr); }
  .seminar-workshop-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .seminar-workshop-list div:not(:nth-child(3n)) { border-right: 0; }
  .seminar-workshop-list div:not(:nth-child(2n)) { border-right: 1px solid var(--color-border); }
  .seminar-workshop-list div:nth-child(3n+2), .seminar-workshop-list div:nth-child(3n) { padding-left: 0; }
  .seminar-workshop-list div:nth-child(even) { padding-left: 22px; }
  .seminar-yeg__inner { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .seminar-hero { padding-top: 34px; }
  .seminar-hero h1 { font-size: clamp(42px, 13vw, 58px); }
  .seminar-hero__inner { gap: 34px; }
  .seminar-theme-list { grid-template-columns: 1fr; }
  .seminar-theme-list article,
  .seminar-theme-list article:nth-child(odd),
  .seminar-theme-list article:nth-child(even) { padding: 20px 0; border-right: 0; }
  .seminar-featured { grid-template-columns: 1fr; gap: 12px; }
  .seminar-history-item { grid-template-columns: 1fr; gap: 5px; padding: 22px 0; }
  .seminar-history-item strong { display: block; margin-bottom: 5px; }
  .seminar-workshop-list { grid-template-columns: 1fr; }
  .seminar-workshop-list div,
  .seminar-workshop-list div:nth-child(even) { padding: 16px 0; border-right: 0 !important; }
  .seminar-format__grid { grid-template-columns: 1fr; }
  .seminar-format__grid article,
  .seminar-format__grid article + article { padding: 20px 0; border-right: 0; border-bottom: 1px solid var(--color-border); }
  .seminar-hero__actions .button,
  .seminar-yeg .button { width: 100%; }
}