.course-page { padding: 1.6rem 0 3.5rem; }
.course-page-hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 1.6rem;
  align-items: stretch;
  margin-bottom: 1.8rem;
}
.course-page-media {
  min-height: 320px;
  border-radius: 20px;
  background:
    linear-gradient(180deg, transparent 35%, rgba(8,16,24,.35)),
    var(--cover, linear-gradient(135deg, var(--secondary, #004d3c), var(--primary, #006850)));
  background-size: cover;
  background-position: center;
}
.course-page-intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: .4rem 0;
}
.course-back {
  display: inline-flex;
  margin-bottom: .9rem;
  color: var(--muted, #5b6b73);
  font-weight: 700;
  font-size: .92rem;
}
.course-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: .85rem;
}
.course-chips span {
  display: inline-flex;
  padding: .35rem .7rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary, #006850) 12%, #fff);
  color: var(--primary, #006850);
  font-size: .75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.course-page-intro h1 {
  font-family: var(--display, var(--font-display, inherit));
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.1;
  margin: 0 0 .75rem;
  font-weight: 800;
}
.course-summary {
  margin: 0 0 1rem;
  color: var(--muted, #5b6b73);
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 46ch;
}
.course-price-row {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1rem;
  align-items: baseline;
  margin-bottom: 1.2rem;
}
.course-price-row strong {
  font-size: 1.35rem;
  font-weight: 800;
}
.course-price-row span {
  color: var(--muted, #5b6b73);
  font-size: .92rem;
}
.course-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}
.btn-whatsapp,
.btn-whatsapp-outline,
.btn-secondary-soft,
.btn-block {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .9rem 1.15rem;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  border: 0;
  cursor: pointer;
}
.btn-whatsapp {
  background: #25D366;
  color: #fff !important;
  box-shadow: 0 10px 24px rgba(37, 211, 102, .28);
}
.btn-whatsapp:hover { filter: brightness(1.05); }
.btn-whatsapp-outline {
  background: #fff;
  color: #128C7E !important;
  border: 1.5px solid #25D366;
}
.btn-secondary-soft {
  background: color-mix(in srgb, var(--ink, #111) 6%, #fff);
  color: var(--ink, #111) !important;
}
.btn-block { width: 100%; }

.course-page-grid {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 1.4rem;
  align-items: start;
}
.course-card-block {
  background: var(--paper, #fff);
  border: 1px solid color-mix(in srgb, var(--ink, #111) 8%, transparent);
  border-radius: 18px;
  padding: 1.35rem 1.4rem;
  margin-bottom: 1rem;
  box-shadow: 0 10px 28px rgba(0,0,0,.04);
}
.course-card-block h2 {
  font-family: var(--display, var(--font-display, inherit));
  font-size: 1.35rem;
  margin: 0 0 1rem;
  font-weight: 800;
}
.course-prose p {
  margin: 0 0 1rem;
  color: var(--muted, #5b6b73);
  line-height: 1.7;
  max-width: 68ch;
}
.course-muted { color: var(--muted, #5b6b73); }
.course-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}
.course-checklist li {
  position: relative;
  padding-left: 1.7rem;
  color: var(--ink, #1a1f24);
  line-height: 1.45;
}
.course-checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 999px;
  background: color-mix(in srgb, #25D366 18%, #fff);
  color: #128C7E;
  font-size: .75rem;
  font-weight: 800;
  display: grid;
  place-items: center;
}
.course-steps {
  margin: 0 0 1.2rem;
  padding-left: 1.15rem;
  color: var(--muted, #5b6b73);
  line-height: 1.65;
}
.course-steps li { margin-bottom: .55rem; }

.course-side-card {
  background: #0f1c2e;
  color: #e8eef8;
  border-radius: 20px;
  padding: 1.35rem 1.3rem;
  box-shadow: 0 18px 40px rgba(15, 28, 46, .22);
}
.course-side-sticky { position: sticky; top: 1rem; }
.course-side-card h3 {
  margin: 0 0 .45rem;
  font-size: 1.2rem;
  font-weight: 800;
}
.course-side-card > p {
  margin: 0 0 1.1rem;
  color: #b7c6db;
  line-height: 1.5;
}
.course-side-card .btn-whatsapp,
.course-side-card .btn-whatsapp-outline {
  margin-bottom: .65rem;
}
.course-side-card .btn-whatsapp-outline {
  background: transparent;
  color: #99f6e4 !important;
  border-color: rgba(153, 246, 228, .45);
}
.course-side-meta {
  display: grid;
  gap: .7rem;
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,.12);
}
.course-side-meta a {
  display: grid;
  gap: .15rem;
  color: inherit;
  text-decoration: none;
}
.course-side-meta strong {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: #99f6e4;
}
.course-side-meta span { color: #dbe7f8; font-size: .95rem; }

.course-related { margin-top: 2.4rem; }
.course-related h2 {
  font-family: var(--display, var(--font-display, inherit));
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin: 0 0 .35rem;
  font-weight: 800;
}

@media (max-width: 960px) {
  .course-page-hero,
  .course-page-grid { grid-template-columns: 1fr; }
  .course-page-media { min-height: 220px; }
  .course-side-sticky { position: static; }
}

.course-card-link {
  display: inline-flex;
  margin-top: .55rem;
  font-size: .88rem;
  font-weight: 800;
  color: var(--link, var(--primary, #006850));
}
.course-item.is-clickable {
  position: relative;
  cursor: pointer;
}
.course-item-stretch {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}
.course-item.is-clickable .course-card-actions {
  position: relative;
  z-index: 2;
}
.course-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-top: .7rem;
}
.course-card-actions a,
.course-card-actions .is-detail {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .45rem .7rem;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 800;
  text-decoration: none;
}
.course-card-actions .is-detail {
  background: color-mix(in srgb, var(--primary, #006850) 12%, #fff);
  color: var(--primary, #006850);
}
.course-card-actions .is-wa {
  position: relative;
  z-index: 3;
  background: #25D366;
  color: #fff;
}