/* v4.5 · Cursos gratis, formulario de acceso y página de descarga */
.cursos-wrap { padding-bottom: var(--section); }
.cursos-vacio { font-size: 1.1rem; max-width: 52ch; }
.cursos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 20px; }
.curso-card { display: grid; grid-template-rows: auto 1fr; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 16px; overflow: hidden; text-decoration: none; color: inherit; transition: border-color .25s ease, transform .25s ease; }
.curso-card:hover { border-color: var(--color-accent); transform: translateY(-3px); }
.curso-card:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.curso-card-img { aspect-ratio: 16 / 10; background: #0f0f0f; border-bottom: 1px solid var(--color-border); display: grid; place-items: center; max-width: 100%; }
.curso-card-img img { width: 100%; height: 100%; object-fit: cover; }
.curso-card-ph { font-size: .8rem; letter-spacing: .2em; color: var(--color-accent); border: 1px solid var(--color-border); border-radius: 999px; padding: 6px 14px; }
.curso-card-body { padding: 22px; display: grid; gap: 10px; align-content: start; }
.curso-card-body h2 { font-size: clamp(1.2rem, 2vw, 1.45rem); margin: 0; text-wrap: balance; }
.curso-card-body p { margin: 0; }

.curso-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.curso-info { display: grid; gap: 18px; min-width: 0; }
.curso-info h1 { text-wrap: balance; }
.curso-portada { width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--color-border); }
.curso-desc p { margin: 0 0 1em; }
.curso-sub { font-size: 1.15rem; margin: 8px 0 0; }
.curso-info .ticks { flex-direction: column; gap: 10px; color: var(--color-text); }
.curso-archivos { font-size: .8rem; margin: 0; }

.curso-acceso { position: sticky; top: 96px; }
.curso-form, .curso-ok { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 18px; padding: clamp(20px, 3vw, 30px); display: grid; gap: 16px; }
.curso-form { border-color: rgba(198, 255, 62, .45); box-shadow: 0 0 60px rgba(198, 255, 62, .07); }
.curso-form h2, .curso-ok h2 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); margin: 0; }
.curso-form .label, .curso-ok .label { margin: 0; }
.campo { display: grid; gap: 6px; font-size: .9rem; }
.campo input { font: inherit; font-size: 1rem; color: var(--color-text); background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 10px; padding: 13px 14px; width: 100%; }
.campo input:focus { outline: 2px solid var(--color-accent); outline-offset: 1px; border-color: transparent; }
.check { display: grid; grid-template-columns: 20px 1fr; gap: 10px; font-size: .88rem; color: #cfd0cb; line-height: 1.45; cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--color-accent); }
.curso-nota { font-size: .75rem; margin: 0; text-align: center; }
.curso-error { margin: 0; background: rgba(255, 107, 91, .12); border: 1px solid #FF6B5B; border-radius: 10px; padding: 10px 12px; font-size: .9rem; }
.curso-prueba { font-size: .78rem; border: 1px dashed var(--color-border); border-radius: 8px; padding: 8px 10px; margin: 0; }
.campo-oculto { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.descarga { display: grid; gap: 18px; justify-items: start; max-width: 760px; }
.descarga h1 { text-wrap: balance; }
.descarga-lista { list-style: none; margin: 8px 0 0; padding: 0; width: 100%; display: grid; gap: 10px; }
.descarga-lista li { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 14px; padding: 14px 16px; }
.descarga-nombre { display: grid; gap: 2px; min-width: 0; overflow-wrap: anywhere; font-weight: 600; }
.descarga-nombre small { font-size: .75rem; font-weight: 400; }
.descarga-sigue { margin-top: 24px; border-top: 1px solid var(--color-border); padding-top: 24px; display: grid; gap: 14px; justify-items: start; }
.descarga-sigue p { margin: 0; color: var(--color-muted); }

@media (max-width: 860px) {
  .curso-grid { grid-template-columns: 1fr; }
  .curso-acceso { position: static; }
}

/* Menú con «Cursos gratis»: entre tablet y portátil pequeño, más compacto y sin partir textos */
@media (min-width: 861px) and (max-width: 1080px) {
  .header-inner { gap: 1.5rem; }
  .nav { gap: 1rem; }
  .nav a:not(.btn) { letter-spacing: .04em; }
  .nav a { white-space: nowrap; }
  .nav .btn-sm { padding-inline: 14px; }
}