/* Shared course cover: the subject remains visible on every screen. */
:root {
  --cover-paper: #f6f4f0;
  --cover-ink: #172436;
  --cover-muted: #435166;
  --cover-line: #dadfe4;
}

.course-offer-nav,
#main-nav {
  background: #fff;
  color: var(--cover-ink);
  border-bottom: 1px solid var(--cover-line);
  backdrop-filter: none;
}
.course-offer-nav .logo span { color: #c8102e; }
.course-offer-nav .nav-links a,
#main-nav .nav-links a {
  color: var(--cover-ink);
  font-size: 16px;
  font-weight: 600;
}
.course-offer-nav .nav-links a:hover,
#main-nav .nav-links a:hover { color: #b20c28; }
.course-offer-nav .nav-links .panel,
#main-nav .nav-links a.panel-link {
  color: var(--cover-ink);
  background: #f4f6f8;
  border-color: #c8d0d9;
}
#main-nav .logo,
#main-nav #theme-toggle-kurs { color: var(--cover-ink); }
#main-nav #theme-toggle-kurs:hover { background: #edf0f3; }
.course-offer-nav a:focus-visible,
#main-nav a:focus-visible,
#main-nav button:focus-visible {
  outline: 3px solid #b20c28;
  outline-offset: 4px;
}

.premium-hero {
  padding: 0;
  min-height: 0;
  background: var(--surface);
}
.premium-hero-cover,
.course-offer-cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 415px;
  padding: clamp(32px, 4vw, 56px);
  background: var(--cover-paper);
  color: var(--cover-ink);
}
.premium-hero-image-shell,
.course-offer-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.premium-hero-image {
  inset: 0;
  opacity: 1;
  filter: none;
}
.premium-hero-image img,
.course-offer-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 66% center;
}
.premium-hero-image::after,
.course-offer-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #f6f4f0 0%, #f6f4f0 30%, rgba(246,244,240,.96) 40%, rgba(246,244,240,.82) 48%, rgba(246,244,240,.2) 65%, transparent 77%);
}
.premium-hero-copy,
.course-offer-copy {
  position: relative;
  width: 56%;
  max-width: 690px;
}
.premium-hero h1,
.course-offer-copy h1 {
  margin: 0 0 22px;
  color: var(--cover-ink);
  font-size: clamp(36px, 4.2vw, 60px);
  line-height: 1.14;
  letter-spacing: -.03em;
  text-wrap: balance;
}
.premium-hero-copy > p,
.course-offer-copy .lead {
  margin: 0;
  color: var(--cover-muted);
  font-size: 19px;
  line-height: 1.65;
  max-width: 55ch;
}
.premium-hero-actions {
  margin-top: 28px;
  gap: 12px;
}
.premium-hero .premium-btn-primary,
.premium-hero .premium-btn-secondary {
  padding: 13px 19px;
  font-size: 16px;
  border-radius: 8px;
  box-shadow: none;
}
.premium-hero .premium-btn-secondary { color: var(--cover-ink); }
.premium-hero-summary {
  max-width: none;
  margin: 0;
  padding: 20px clamp(24px, 4vw, 56px);
  gap: 20px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.premium-stat strong { font-size: 25px; line-height: 1.25; }
.premium-stat span { font-size: 14px; letter-spacing: .02em; text-transform: none; }
.premium-hero-meta {
  margin: 0;
  padding: 18px clamp(24px, 4vw, 56px);
}
.premium-hero-meta-item span,
.premium-hero-meta .muted-label { font-size: 13px; letter-spacing: .02em; }
.premium-hero-meta-item strong { font-size: 15px; }
.outline-link .copy { font-size: 16px; line-height: 1.45; }
.mobile-outline-toggle { font-size: 16px; }
.editorial-reading-strip { background: var(--bg); }

/* Public offer uses the same cover, followed by program and purchase. */
body:has(.course-offer-nav) main { max-width: 1320px; padding-top: 28px; }
body:has(.course-offer-nav) .hero { display: block; }
.course-offer-cover { min-height: 490px; }
.course-offer-copy { width: 57%; }
.course-offer-copy .facts { gap: 8px; margin-top: 24px; }
.course-offer-copy .fact { font-size: 15px; padding: 6px 10px; background: #fff; }
.course-details {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 32px;
  align-items: start;
  margin-top: 32px;
}
.course-details .purchase { grid-column: 2; grid-row: 1; box-shadow: none; }
.course-details .content-grid { grid-column: 1; grid-row: 1; margin-top: 0; gap: 24px; }
.course-details .section { padding: 24px; }
.course-details .program { grid-template-columns: 1fr; }
.course-details .program span { font-size: 16px; }

@media (max-width: 1100px) {
  .premium-hero-copy,
  .course-offer-copy { width: 65%; }
  .premium-hero-image::after,
  .course-offer-media::after {
    background: linear-gradient(90deg, #f6f4f0 0%, #f6f4f0 35%, rgba(246,244,240,.92) 52%, rgba(246,244,240,.35) 70%, transparent 90%);
  }
  .course-details { grid-template-columns: minmax(0, 1fr) 310px; gap: 24px; }
  .course-details .content-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .premium-hero-cover,
  .course-offer-cover { min-height: 0; padding: 0; }
  .premium-hero-image-shell,
  .course-offer-media {
    position: relative;
    z-index: 0;
    height: clamp(200px, 45vw, 300px);
  }
  .premium-hero-image { height: 100%; }
  .premium-hero-image::after,
  .course-offer-media::after { display: none; }
  .premium-hero-copy,
  .course-offer-copy { width: 100%; max-width: none; padding: 26px 24px 30px; }
  .premium-hero h1,
  .course-offer-copy h1 { font-size: clamp(32px, 6vw, 44px); margin-bottom: 18px; }
  .premium-hero-copy > p,
  .course-offer-copy .lead { font-size: 18px; }
  .premium-hero-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 16px; }
  .premium-stat strong { font-size: 22px; overflow-wrap: anywhere; }
  .premium-hero-meta { gap: 18px; }
  .premium-hero-partner { margin-left: 0; }
  .course-details { display: flex; flex-direction: column; }
  .course-details .purchase,
  .course-details .content-grid { width: 100%; }
  .course-offer-nav { gap: 12px; }
  .course-offer-nav .nav-links .panel { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}