/* ==========================================================================
   Academia · cursos & eventos
   ========================================================================== */

/* ----- Filter bar ----- */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-block: var(--space-7) var(--space-6);
}
.filter-bar button {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  background: transparent;
  color: var(--text-muted);
  font-weight: 500;
  transition: all var(--dur-base) var(--ease-out);
}
.filter-bar button:hover { border-color: var(--color-ink); color: var(--color-ink); }
.filter-bar button.is-active {
  background: var(--color-ink);
  color: var(--color-cream);
  border-color: var(--color-ink);
}

/* ----- Course list (editorial style) ----- */
.courses {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.course {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: var(--space-6);
  align-items: center;
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding var(--dur-base) var(--ease-out);
  cursor: pointer;
}
.course:hover {
  padding-inline: var(--space-3);
}
.course:hover .course__title { color: var(--color-magenta); }

.course__date {
  font-family: var(--font-serif);
  line-height: 1;
}
.course__date strong {
  display: block;
  font-size: var(--fs-2xl);
  letter-spacing: -0.04em;
  font-weight: 500;

}
.course__date span {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-soft);
  margin-top: 4px;
  display: block;
}

.course__body { display: grid; gap: 8px; }
.course__title {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  line-height: 1.1;
  font-weight: 500;

  transition: color var(--dur-base) var(--ease-out);
  letter-spacing: -0.015em;
}
.course__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  font-size: var(--fs-xs);
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.course__meta span { display: inline-flex; align-items: center; gap: 6px; }
.course__meta span::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--color-magenta);
  border-radius: 50%;
}

.course__price {
  text-align: right;
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.course__price small {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-soft);
  margin-top: 4px;
  font-weight: 400;
}
.course__price--free { color: var(--color-magenta); }

.course--pending {
  opacity: 0.72;
  cursor: default;
}
.course--pending:hover {
  padding-inline: 0;
}
.course--pending:hover .course__title { color: inherit; }

@media (max-width: 720px) {
  .course {
    grid-template-columns: 80px 1fr;
    gap: var(--space-4);
  }
  .course__price { grid-column: 2; text-align: left; }
}

/* ----- Featured course (hero card) ----- */
.featured-course {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-paper);
  position: relative;
}
@media (max-width: 880px) { .featured-course { grid-template-columns: 1fr; } }

.featured-course__art {
  background: linear-gradient(135deg, var(--color-magenta), var(--color-indigo));
  padding: var(--space-7);
  color: var(--color-cream);
  display: grid;
  align-content: space-between;
  position: relative;
  overflow: hidden;
  min-height: 360px;
}
.featured-course__art::before {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  border: 1px solid rgba(245,239,230,0.2);
  bottom: -160px;
  right: -120px;
}
.featured-course__art::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px dashed rgba(245,239,230,0.18);
  bottom: -60px;
  right: -40px;
  animation: spin 80s linear infinite;
}
.featured-course__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(245,239,230,0.7);
  position: relative;
  z-index: 1;
}
.featured-course__art-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.025em;
  position: relative;
  z-index: 1;
}

.featured-course__body {
  --text-primary: var(--text-on-light);
  --text-muted: var(--text-muted-on-light);
  --text-soft: var(--text-soft-on-light);
  --line: rgba(10, 10, 10, 0.12);

  padding: var(--space-7);
  display: grid;
  gap: var(--space-5);
  align-content: center;
}
.featured-course__body h3 {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 500;
  line-height: 1.15;
}
.featured-course__body p { font-size: var(--fs-sm); color: var(--text-muted); }
.featured-course__meta {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-block: 1px solid var(--line);
}
.featured-course__meta dt {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--text-soft);
  margin-bottom: 4px;
}
.featured-course__meta dd {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  color: var(--color-ink);
  margin: 0;
}
@media (max-width: 540px) {
  .featured-course__meta { grid-template-columns: 1fr; gap: var(--space-3); }
}