/* ---------- VARIABLES ---------- */
:root {
  --teal-50: #F0FDFA;
  --teal-600: #0D9488;
  --amber-500: #F59E0B;
  --amber-600: #D97706;
  --gray-800: #1F2937;
  --gray-500: #6B7280;
  --gray-400: #9CA3AF;
}

/* ---------- RESET ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ---------- BODY ---------- */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f7f7f7;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- HEADER ---------- */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo img {
  max-width: 200px;
  height: auto;
}

.btn-acceso {
  padding: 12px 32px;
  background: #ffffff;
  color: #034520;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.btn-acceso:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  background: #f0f0f0;
}

/* ---------- MAIN ---------- */
main {
  flex: 1;
  padding: 2rem;
  overflow-x: auto;
}

/*--CONTENEDOR DE INFO-CARD--*/
.card-infocard {
  background: var(--teal-50);
  border-radius: 16px;
  padding: 1.5rem;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.12);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

/* ---------- CONTENEDOR DE CARDS (GRID 2 COLS) ---------- */
.cards-wrapper{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  max-width: 1100px;
  margin: 50px auto;
  padding: 0 20px;
}

/* solo este bloque en 3 */
.cards-wrapper.cols-3{
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* móvil: una tarjeta por fila */
@media (max-width: 768px){
  .cards-wrapper,
  .cards-wrapper.cols-3{
    grid-template-columns: 1fr;
  }
}

.cards-center {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
  overflow-x: auto;
}

/* ---------- CARD ---------- */
.card-residencia {
  background: var(--teal-50);
  border-radius: 16px;
  padding: 1.5rem;
  width: 100%;
  max-width: 500px;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.12);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.card-residencia:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.18);
}

/* ribbón */
.card-residencia::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-width: 0 32px 32px 0;
  border-style: solid;
  border-color: var(--amber-500) var(--amber-500) transparent transparent;
}

.card-residencia::after {
  content: "";
  position: absolute;
  top: 6px;
  right: 6px;
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: 50%;
}

/* contenido card */
h3.titulo-curso {
  font-size: 1.25rem;
  color: var(--gray-800);
  margin: 0 0 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pill {
  background: var(--teal-600);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-weight: bold;
}

.objetivo {
  color: var(--gray-500);
  font-size: 0.9rem;
  margin: 0.25rem 0 1rem;
}

h4 {
  font-size: 1rem;
  margin: 0 0 0.5rem;
  color: var(--gray-800);
}

ol.modulos {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 1rem;
  max-height: 176px;
  overflow-y: auto;
}

ol.modulos li {
  padding: 0.35rem 0 0.35rem 1.75rem;
  position: relative;
  color: #374151;
  font-size: 0.9rem;
  line-height: 1.4;
}

ol.modulos li::before {
  content: url('data:image/svg+xml;utf8,\<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="%230D9488" stroke-width="2">\<path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7" />\</svg>');
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
}

ol.modulos::-webkit-scrollbar {
  width: 4px;
}

ol.modulos::-webkit-scrollbar-thumb {
  background: #99F6E4;
  border-radius: 2px;
}

/* botón */
.btn-residencia {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--amber-500);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-residencia:hover {
  background: var(--amber-600);
}

.btn-residencia svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
}

.btn-residencia:hover svg {
  transform: translateX(3px);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 992px) {
  .cards-wrapper {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .card-residencia {
    max-width: 100%;
    width: 100%;
    padding: 1.2rem;
  }

  .cards-center {
    padding: 1rem;
  }
}

/* ---------- CARD ANCHA (ocupa 2 columnas) ---------- */
.card--wide { 
  grid-column: 1 / -1; 
}

.card-residencia.card--wide {
  max-width: none;
  width: 100%;
}

.video-wrapper {
  position: relative;
  width: 100%;
  /* 16:9 */
  padding-top: 56.25%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0,0,0,.08);
}

.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}