html { scroll-behavior: smooth; }
.seminar-page { min-height: 100vh; scroll-padding-top: 150px; }
.seminar-page .eyebrow + .gold-rule,
.seminar-page .kicker + .gold-rule { margin-top: 18px; }

.seminar-subnav {
  position: sticky;
  top: 88px;
  z-index: 40;
  background: rgba(11, 11, 14, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.seminar-subnav__list {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--border-subtle);
}
.seminar-subnav__list::-webkit-scrollbar { display: none; }
.seminar-subnav__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 22px 13px;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font: 500 14px/1.2 var(--body);
  white-space: nowrap;
  transition: color var(--motion-fast) var(--ease-standard),
              border-color var(--motion-fast) var(--ease-standard);
}
.seminar-subnav__list a:hover {
  color: var(--gold-200);
  border-bottom-color: var(--gold-200);
}
.seminar-subnav__index {
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.seminar-subnav__list a:hover .seminar-subnav__index { color: var(--gold-200); }

.seminar-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 7vw, 104px) 0 clamp(64px, 7vw, 104px);
  background: var(--canvas-dark);
}
.seminar-hero__photo {
  position: absolute; inset: 0;
  background-image: url('../assets/belt-hero.png');
  background-size: cover;
  background-position: center 34%;
  filter: contrast(1.02) saturate(0.88) brightness(0.66);
  transform: scale(1.02);
}
.seminar-hero__vignette {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 50% 55%, rgba(11,11,14,0) 0%, rgba(11,11,14,0.55) 70%, rgba(11,11,14,0.92) 100%),
    linear-gradient(180deg, rgba(11,11,14,0.62) 0%, rgba(11,11,14,0.14) 35%, rgba(11,11,14,0.30) 70%, rgba(11,11,14,0.94) 100%);
}
.seminar-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, .82fr);
  gap: clamp(40px, 8vw, 120px);
  align-items: end;
}
.seminar-hero h1 {
  max-width: 15ch;
  font-size: clamp(2.8rem, 4.9vw, 5.4rem);
  line-height: .94;
}
.seminar-hero h1 .gold { color: var(--gold-200); }
.seminar-hero__copy {
  max-width: 59ch;
  margin: 30px 0 0;
  color: var(--text-primary);
  font: 400 var(--body-large)/var(--body-large-leading) var(--body);
}
.seminar-hero__canonical {
  margin-top: 24px;
  color: var(--text-muted);
  font: 500 11px/1.5 var(--mono);
  letter-spacing: .02em;
}
.seminar-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.seminar-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--border-default);
  border-left: 1px solid var(--border-default);
}
.seminar-fact {
  min-height: 142px;
  padding: 20px;
  border-right: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  background: var(--surface-elevated);
}
.seminar-fact__label {
  display: block;
  color: var(--text-muted);
  font: 600 10px/1.3 var(--body);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.seminar-fact__value {
  display: block;
  margin-top: 18px;
  color: var(--text-primary);
  font-family: var(--display);
  font-size: clamp(1.6rem, 2.6vw, 2.5rem);
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
}
.seminar-fact__value--gold { color: var(--gold-200); }
.seminar-fact__note { display: block; margin-top: 8px; color: var(--text-muted); font-size: 12px; line-height: 1.4; }

.seminar-section__heading { max-width: 620px; margin-bottom: 42px; }
.seminar-section__heading h2 { font-size: clamp(2.4rem, 4.2vw, 4.4rem); margin-top: 6px; }
.seminar-section__heading p { margin: 18px 0 0; color: var(--text-secondary); line-height: 1.6; }

.seminar-cities {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-default);
  border-left: 1px solid var(--border-default);
}
.seminar-city {
  min-height: 226px;
  padding: 22px;
  border-right: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  background: var(--surface-elevated);
}
.seminar-city__index { font: 500 12px/1 var(--mono); color: var(--gold-200); }
.seminar-city h3 { margin-top: 34px; font-size: clamp(1.75rem, 2.6vw, 2.5rem); }
.seminar-city__date { margin: 14px 0 0; color: var(--text-secondary); font-size: 14px; line-height: 1.5; }
.seminar-city__state {
  display: block;
  margin-top: 20px;
  color: var(--text-muted);
  font: 500 11px/1 var(--mono);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.seminar-format {
  background: var(--surface-elevated);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.seminar-format__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border-subtle); }
.seminar-format__item { min-height: 260px; padding: clamp(26px, 4vw, 48px); background: var(--surface-elevated); }
.seminar-format__number { font: 500 13px/1 var(--mono); color: var(--gold-200); }
.seminar-format h3 { margin-top: 30px; font-size: clamp(2rem, 3.3vw, 3.4rem); }
.seminar-format p { max-width: 42ch; margin: 16px 0 0; color: var(--text-secondary); line-height: 1.6; }

.seminar-mestres { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.seminar-mestre { min-height: 220px; padding: 18px; border: 1px solid var(--border-default); background: var(--surface-elevated); }
.seminar-mestre__placeholder {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px solid var(--border-subtle);
  background: #121217;
  color: var(--text-muted);
  font: 500 11px/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.seminar-mestre h3 { margin-top: 18px; font-size: 1.55rem; color: var(--gold-200); }
.seminar-mestre p { margin: 6px 0 0; color: var(--text-muted); font-size: 12px; }

.seminar-register { padding-bottom: 136px; }
.seminar-register__layout {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(420px, 1.2fr);
  gap: clamp(40px, 8vw, 120px);
  align-items: start;
}
.seminar-register__intro { position: sticky; top: 160px; }
.seminar-register__intro h2 { max-width: 8ch; font-size: clamp(2.8rem, 4.5vw, 5rem); }
.seminar-register__intro p { max-width: 38ch; margin: 20px 0 0; color: var(--text-secondary); line-height: 1.6; }
.seminar-price { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--border-default); }
.seminar-price__amount {
  color: var(--gold-200);
  font-family: var(--display);
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
}
.seminar-price__copy { margin-top: 8px; color: var(--text-muted); font-size: 13px; }

.seminar-register__layout .form-card { max-width: none; margin: 0; }
.seminar-form-card h3 { font-size: clamp(1.8rem, 2.8vw, 2.8rem); }
.seminar-form-card__intro { margin: 10px 0 28px; color: var(--text-secondary); font-size: 14px; line-height: 1.5; }
.seminar-form { display: grid; gap: 18px; }
.seminar-form__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.seminar-form__submit { width: 100%; }
.seminar-field { display: flex; flex-direction: column; gap: 7px; }
.seminar-field--full { grid-column: 1 / -1; }
.seminar-field label, .seminar-consents legend {
  color: var(--text-secondary);
  font: 600 10px/1.3 var(--body);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.seminar-required { color: var(--gold-200); }
.seminar-field__hint { color: var(--text-muted); font-size: 12px; line-height: 1.4; }
.seminar-consents {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 18px 0 2px;
  border: 0;
  border-top: 1px solid var(--border-subtle);
}
.seminar-consents legend { margin-bottom: 2px; }
.seminar-consents .check a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.seminar-consents .check a:hover { color: var(--gold-200); }
.seminar-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.seminar-total__label { color: var(--text-secondary); font-size: 13px; }
.seminar-total__value {
  color: var(--gold-200);
  font-family: var(--display);
  font-size: 24px;
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
}
.seminar-form__status { min-height: 20px; color: var(--danger-on-dark); font-size: 13px; line-height: 1.45; }
.seminar-form__status:empty { min-height: 0; }
.seminar-form__status.is-success { color: var(--success-on-dark); }
.seminar-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; opacity: 0; }
.seminar-field.has-error .input, .seminar-field.has-error .select { border-color: var(--danger-on-dark); }
.seminar-field__error { color: var(--danger-on-dark); font-size: 12px; }

.seminar-thanks { display: grid; min-height: 70vh; place-items: center; padding: 120px 0 80px; }
.seminar-thanks__card {
  width: min(640px, 100%);
  padding: clamp(28px, 6vw, 64px);
  border: 1px solid var(--border-default);
  background: var(--surface-elevated);
  text-align: center;
}
.seminar-thanks__card .kicker { display: block; }
.seminar-thanks h1 { font-size: clamp(3rem, 6vw, 6rem); }
.seminar-thanks p { margin: 20px auto 0; max-width: 42ch; color: var(--text-secondary); line-height: 1.6; }
.seminar-thanks__session {
  margin-top: 20px !important;
  color: var(--text-secondary) !important;
  font-family: var(--mono);
  font-size: 12px;
  overflow-wrap: anywhere;
}
.seminar-thanks__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 32px; }
.seminar-thanks__actions .btn[hidden] { display: none; }

@media (max-width: 980px) {
  .seminar-hero__grid, .seminar-register__layout { grid-template-columns: 1fr; }
  .seminar-register__intro { position: static; }
  .seminar-register__intro h2 { max-width: 12ch; }
  .seminar-mestres { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .seminar-page { scroll-padding-top: 116px; }
  .seminar-subnav { top: 56px; }
  .seminar-subnav__list a { padding: 13px 16px 11px; font-size: 13px; }
  .seminar-hero { padding-top: 56px; }
  .seminar-hero__grid { gap: 44px; }
  .seminar-hero h1 { max-width: 11ch; font-size: clamp(3rem, 13vw, 4.6rem); }
  .seminar-hero__actions .btn { width: 100%; }
  .seminar-hero__facts { grid-template-columns: 1fr 1fr; }
  .seminar-fact { min-height: 124px; padding: 15px; }
  .seminar-fact__value { margin-top: 14px; font-size: 1.4rem; }
  .seminar-cities { grid-template-columns: 1fr 1fr; }
  .seminar-city { min-height: 202px; padding: 16px; }
  .seminar-city h3 { margin-top: 24px; font-size: 1.8rem; }
  .seminar-format__grid { grid-template-columns: 1fr; }
  .seminar-format__item { min-height: 210px; }
  .seminar-mestres { grid-template-columns: repeat(2, 1fr); }
  .seminar-register__layout { gap: 44px; }
  .seminar-form__grid { grid-template-columns: 1fr; }
  .seminar-field--full { grid-column: auto; }
}
@media (max-width: 420px) {
  .seminar-cities { grid-template-columns: 1fr; }
  .seminar-mestres { grid-template-columns: 1fr 1fr; gap: 8px; }
  .seminar-mestre { padding: 12px; }
  .seminar-mestre h3 { font-size: 1.3rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .seminar-page * { transition-duration: 0.01ms !important; }
}