/* =========================================================
   Fundación Radix · Cursos y talleres
   ========================================================= */

.courses-hero {
  border-bottom: 1px solid var(--radix-gray);
}

.courses-hero-inner {
  width: min(calc(100% - (2 * var(--page-gutter))), var(--content-width));
  min-height: clamp(560px, 72vh, 720px);
  margin-inline: auto;
  padding-block: clamp(4rem, 8vw, 6.5rem);

  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 6rem);
}

.courses-hero h1 {
  margin: 0;
  font-size: clamp(3.1rem, 7vw, 5.6rem);
  letter-spacing: -0.045em;
  line-height: 0.97;
}

.courses-lead {
  max-width: 680px;
  margin: 1.55rem 0 0;
  color: var(--ink-700);
  font-size: clamp(1.08rem, 2vw, 1.25rem);
  line-height: 1.72;
}

.audience-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.75rem;
}

.audience-row span {
  padding: 0.34rem 0.7rem;
  color: var(--radix-ink);
  background: var(--radix-paper-light);
  border: 1px solid var(--radix-gray);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
}

.boids-figure {
  width: min(100%, 470px);
  margin: 0 auto;
}

.boids-stage {
  position: relative;
  aspect-ratio: 1;
}

.boids-stage::before {
  content: "";
  position: absolute;
  inset: 4.5%;
  border: 1px solid rgba(47, 102, 86, 0.26);
  border-radius: 50%;
  pointer-events: none;
}

#boidsCanvas {
  width: 100%;
  height: 100%;
}

.boids-caption {
  max-width: 44ch;
  margin: 1rem auto 0;
  color: var(--radix-muted);
  font-size: 0.78rem;
  line-height: 1.55;
  text-align: center;
}

.boids-caption strong {
  color: var(--radix-ink);
}

.boids-controls {
  margin-top: 0.65rem;
  text-align: center;
}

.boids-reset {
  padding: 0;
  color: var(--radix-green);
  background: transparent;
  border: 0;
  border-bottom: 1px solid transparent;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
}

.boids-reset:hover,
.boids-reset:focus-visible {
  border-bottom-color: currentColor;
}

.courses-intro {
  width: min(calc(100% - (2 * var(--page-gutter))), 820px);
  margin-inline: auto;
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
  text-align: center;
}

.courses-intro p {
  margin: 0;
  color: var(--ink-700);
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.5;
}

.course-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.2rem, 3vw, 2rem);
  margin-top: clamp(2.5rem, 5vw, 3.8rem);
}

.course-feature {
  position: relative;
  min-height: 340px;
  padding: clamp(1.4rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--radix-paper-light);
  border: 1px solid var(--radix-gray);
  border-radius: var(--radius-medium);
}

.course-feature::after {
  content: "";
  position: absolute;
  right: -55px;
  bottom: -75px;
  width: 210px;
  height: 210px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0.13;
}

.course-feature[data-accent="green"] { color: var(--radix-green); }
.course-feature[data-accent="blue"] { color: var(--radix-blue); }

.course-feature-kicker {
  margin: 0;
  color: currentColor;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.course-feature h3 {
  max-width: 18ch;
  margin: 1.2rem 0 0;
  color: var(--radix-ink);
  font-size: clamp(1.75rem, 3.4vw, 2.55rem);
  line-height: 1.08;
}

.course-feature p {
  max-width: 48ch;
  margin: 1rem 0 0;
  color: var(--radix-muted);
  line-height: 1.72;
}

.course-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  margin-top: 1.15rem;
  color: var(--radix-ink);
  font-size: 0.78rem;
  font-weight: 600;
}

.course-feature .card-action {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 1.5rem;
  color: currentColor;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}

.course-feature .card-action::after { content: " →"; }
.course-feature .card-action:hover { text-decoration: underline; }

.ai-section {
  background: var(--radix-ink);
  color: var(--radix-paper);
}

.ai-inner {
  width: min(calc(100% - (2 * var(--page-gutter))), var(--content-width));
  margin-inline: auto;
  padding-block: clamp(4rem, 8vw, 6rem);
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(2.5rem, 7vw, 6rem);
}

.ai-section .section-label { color: #a8cbc0; }
.ai-section h2 {
  margin: 0;
  color: var(--radix-paper);
  font-size: clamp(2rem, 4.7vw, 3.4rem);
  line-height: 1.08;
}

.ai-experience {
  padding-top: 1.2rem;
  border-top: 2px solid var(--radix-terracotta);
}

.ai-experience h3 {
  margin: 0;
  color: var(--radix-paper);
  font-size: clamp(1.45rem, 3vw, 2.1rem);
}

.ai-experience p {
  margin: 1rem 0 0;
  color: #d5ddd8;
  line-height: 1.82;
}

.workshop-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 1.5rem);
  margin-top: clamp(2.5rem, 5vw, 3.8rem);
}

.workshop-card {
  min-height: 260px;
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  background: var(--radix-paper-light);
  border: 1px solid var(--radix-gray);
  border-radius: var(--radius-medium);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.workshop-card:hover {
  transform: translateY(-2px);
  border-color: var(--radix-green);
}

.workshop-number {
  color: var(--radix-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.workshop-card h3 {
  margin: 1rem 0 0;
  font-size: 1.45rem;
  line-height: 1.2;
}

.workshop-card p {
  margin: 0.85rem 0 0;
  color: var(--radix-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.workshop-topic {
  margin-top: auto;
  padding-top: 1.3rem;
  color: var(--radix-green);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.courses-contact {
  border-top: 1px solid var(--radix-gray);
}

.courses-contact-inner {
  width: min(calc(100% - (2 * var(--page-gutter))), var(--content-width));
  margin-inline: auto;
  padding-block: clamp(3.8rem, 8vw, 5.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2rem;
}

.courses-contact h2 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(2rem, 4.7vw, 3.3rem);
  line-height: 1.08;
}

.courses-contact p {
  max-width: 620px;
  margin: 1rem 0 0;
  color: var(--radix-muted);
  line-height: 1.75;
}

@media (max-width: 900px) {
  .courses-hero-inner { grid-template-columns: 1fr; }
  .boids-figure { width: min(80%, 450px); }
  .course-feature-grid { grid-template-columns: 1fr; }
  .ai-inner { grid-template-columns: 1fr; }
  .workshop-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .courses-contact-inner { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 620px) {
  .courses-hero-inner { padding-block: 3.8rem; }
  .courses-hero h1 { font-size: clamp(2.8rem, 15vw, 4.2rem); }
  .boids-figure { width: min(96%, 390px); }
  .workshop-grid { grid-template-columns: 1fr; }
}