/**
 * Sección tres columnas — cursos
 * Referencia: docs/referencia-visual.png
 */

.course-cards {
  padding: var(--esac-section-padding-y) 0 calc(var(--esac-section-padding-y) / 2);
  background-color: var(--esac-color-bg);
}

.course-cards__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
  align-items: stretch;
}

.course-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: clamp(1.25rem, 2vw, 1.75rem);
  border-radius: 0.85rem;
  container-type: inline-size;
  background: linear-gradient(
    180deg,
    rgba(20, 20, 20, 0.92) 0%,
    rgba(8, 8, 8, 0.98) 100%
  );
}

.course-card--accent {
  border: 1px solid rgba(152, 10, 8, 0.55);
  box-shadow:
    0 0 22px rgba(152, 10, 8, 0.28),
    inset 0 0 0 1px rgba(255, 120, 120, 0.08);
}

.course-card--neutral {
  border: 1px solid rgba(170, 180, 200, 0.28);
  box-shadow:
    0 0 18px rgba(120, 140, 180, 0.16),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.course-card__header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.course-card__heading {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 0.22rem;
  min-width: 0;
  min-height: 2.45rem;
}

.course-card__icon {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 2.45rem;
  height: 2.45rem;
  color: var(--esac-color-primary);
}

.course-card__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.course-card__title {
  margin: 0;
  flex-shrink: 0;
  min-width: 0;
  color: #ffffff;
  font-family: var(--esac-font-family-nav);
  font-size: clamp(1.25rem, 1.7vw, 1.75rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.05;
  text-transform: uppercase;
  white-space: nowrap;
}

.course-card__lead {
  display: flex;
  flex-direction: column;
  margin: 0;
  max-width: none;
  padding-left: 0;
  box-sizing: border-box;
  color: #5e5e5e;
  font-family: var(--esac-font-family-lead);
  font-size: clamp(0.88rem, 1.05vw, 1.15rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.25;
  text-align: left;
  text-transform: none;
}

.course-card__lead span {
  display: block;
  min-width: 0;
  white-space: nowrap;
}

.course-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: flex-start;
  gap: 1rem;
  margin-bottom: calc(clamp(1.25rem, 2vw, 1.75rem) * -0.875);
}

/* —— Card 1: Cursos online —— */
.course-card--online {
  position: relative;
  overflow: hidden;
}

.course-card--online .course-card__header {
  margin-bottom: 1rem;
}

.course-card--online .course-card__icon {
  color: #ffffff;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.18));
}

.course-card--online .course-card__icon-play {
  filter: drop-shadow(0 0 5px rgba(152, 10, 8, 0.65));
}

.course-card__title-accent {
  background: linear-gradient(
    180deg,
    #ff201e 0%,
    #ea1210 24%,
    #c80e0c 48%,
    var(--esac-color-primary) 68%,
    #6a0807 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.course-card--online .course-card__body {
  display: grid;
  flex: 1;
  grid-template-columns: minmax(0, 1.05fr) minmax(8.75rem, 1.2fr);
  align-items: start;
  align-content: start;
  gap: 0.2rem 0.4rem;
  min-height: 0;
}

.course-card__features {
  display: flex;
  flex-direction: column;
  gap: 0.62rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.course-card--online .course-card__features {
  position: relative;
  z-index: 1;
  align-self: start;
  min-width: 0;
  gap: 0.63rem;
  padding-block: 0;
  transform: translateY(4%);
}

.course-card__feature {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  color: var(--esac-color-text);
  font-family: var(--esac-font-family-lead);
  font-size: clamp(1.02rem, 1.35vw, 1.16rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.15;
  white-space: nowrap;
}

.course-card__feature-icon {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 1.32rem;
  height: 1.32rem;
  color: #e21816;
  line-height: 1;
}

.course-card__feature-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.course-card--online .course-card__media {
  position: relative;
  z-index: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  align-self: end;
  overflow: visible;
  margin-top: 0;
  min-height: 7.58rem;
  margin-bottom: -1.56rem;
  background:
    radial-gradient(
      ellipse 65% 50% at 50% 72%,
      rgba(152, 10, 8, 0.2) 0%,
      transparent 72%
    );
}

.course-card--online .course-card__media img {
  display: block;
  width: 172.1%;
  max-width: none;
  height: auto;
  max-height: 19.72rem;
  margin-right: -24%;
  object-fit: contain;
  object-position: center;
  transform: translateX(-17%) translateY(-8%);
  filter: drop-shadow(0 14px 18px rgba(0, 0, 0, 0.62));
}

.course-card--online .course-card__footer {
  position: relative;
  z-index: 1;
}

.course-card__media-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 9rem;
  padding: 1rem;
  color: rgba(255, 255, 255, 0.45);
  font-family: var(--esac-font-family-lead);
  font-size: 0.82rem;
  font-style: italic;
  text-align: center;
}

/* —— Card 2: Cursos anteriores —— */
.course-card__past-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  transform: translateY(4%);
}

.course-card__past-item {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 0;
  height: 100%;
}

.course-card__past-thumb {
  overflow: hidden;
  aspect-ratio: 3 / 4;
  border-radius: 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.course-card__past-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-card__past-thumb-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 0.5rem;
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--esac-font-family-lead);
  font-size: 0.65rem;
  font-style: italic;
  text-align: center;
}

.course-card__past-title {
  margin: 0;
  flex: 1;
  color: #ffffff;
  font-family: var(--esac-font-family-nav);
  font-size: clamp(0.72rem, 0.85vw, 0.82rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.15;
  text-transform: uppercase;
}

.course-card__past-date {
  margin: 0;
  margin-top: auto;
  color: rgba(255, 255, 255, 0.55);
  font-family: var(--esac-font-family-lead);
  font-size: 0.98rem;
  font-style: italic;
}

.course-card__past-date::before {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  margin: 0.35rem 0 0.4rem;
  opacity: 0.55;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--esac-color-primary) 28%,
    var(--esac-color-4) 50%,
    var(--esac-color-primary) 72%,
    transparent 100%
  );
}

/* —— Card 3: Próximos presenciales —— */
.course-card__featured {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 42%) minmax(0, 1fr);
  grid-template-rows: auto;
  align-items: stretch;
  gap: 0.75rem;
  padding: 0 0.7rem 0 0;
  margin-bottom: 0.85rem;
  border: none;
  border-radius: 0.75rem;
  background-color: rgb(8, 8, 8);
  box-shadow: none;
  transform: translateY(4%);
}

.course-card__featured::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  padding: 1.5px;
  background-image:
    linear-gradient(
      to left,
      var(--esac-color-primary) 0%,
      var(--esac-color-primary) 22%,
      rgba(152, 10, 8, 0.55) 48%,
      rgba(152, 10, 8, 0.18) 72%,
      transparent 100%
    ),
    linear-gradient(
      to top,
      var(--esac-color-primary) 0%,
      rgba(152, 10, 8, 0.45) 62%,
      transparent 100%
    );
  background-blend-mode: multiply;
  pointer-events: none;
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.course-card__featured-media {
  position: relative;
  grid-column: 1;
  grid-row: 1;
  align-self: start;
  min-height: 0;
  overflow: hidden;
  border: 2px solid transparent;
  border-radius: 0.5rem;
  background:
    linear-gradient(rgba(8, 8, 8, 1), rgba(8, 8, 8, 1)) padding-box,
    linear-gradient(
      90deg,
      var(--esac-color-primary) 0%,
      var(--esac-color-4) 50%,
      rgba(114, 108, 105, 0.12) 100%
    ) border-box;
}

.course-card__featured-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.4rem;
  object-fit: contain;
  object-position: left top;
}

.course-card__featured-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 7.5rem;
  padding: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--esac-font-family-lead);
  font-size: 0.72rem;
  font-style: italic;
  text-align: center;
}

.course-card__badge {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 0;
  grid-column: 1 / -1;
  grid-row: 1;
  width: max-content;
  padding: 0.66rem 1.82rem 0.42rem;
  border: 1px solid var(--esac-color-6);
  border-radius: 0.4rem;
  background: linear-gradient(
    180deg,
    #ffe066 0%,
    #f5c518 52%,
    #e89a0a 100%
  );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.38),
    0 2px 8px rgba(0, 0, 0, 0.4);
  color: #000000;
  font-family: var(--esac-font-family-nav);
  font-size: clamp(0.99rem, 1.25vw, 1.15rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
  white-space: nowrap;
  transform: translate(-50%, 50%);
}

.course-card__featured-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-self: stretch;
  grid-column: 2;
  grid-row: 1;
  gap: 0.7rem;
  min-width: 0;
  min-height: 0;
  padding: 0.85rem 0.15rem 1.5rem 0.1rem;
}

.course-card__featured-title {
  margin: 0;
  flex-shrink: 0;
  color: #ffffff;
  font-family: var(--esac-font-family-nav);
  font-size: clamp(0.92rem, 1.2vw, 1.12rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.15;
  text-transform: uppercase;
}

.course-card__featured-title::after {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  margin: 0.4rem 0 0.15rem;
  opacity: 0.55;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--esac-color-primary) 28%,
    var(--esac-color-4) 50%,
    var(--esac-color-primary) 72%,
    transparent 100%
  );
}

.course-card__meta {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-evenly;
  gap: 0.55rem;
  margin: 0;
  padding: 0.15rem 0 0;
  list-style: none;
  transform: translateY(-5%);
}

.course-card__meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.88);
  font-family: var(--esac-font-family-lead);
  font-size: clamp(0.72rem, 0.92vw, 0.84rem);
  font-style: italic;
  line-height: 1.35;
}

.course-card__meta-icon {
  flex-shrink: 0;
  margin-top: 0;
  color: var(--esac-color-primary);
  font-size: 0.88rem;
  line-height: 1;
}

/* —— Botones —— */
.course-card__footer {
  margin-top: auto;
  padding-top: 0.2rem;
}

.course-card__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  box-sizing: border-box;
  width: 100%;
  height: 3.05rem;
  min-height: 3.05rem;
  padding: 0.7rem 1.35rem 0.62rem;
  border-radius: 0.75rem;
  font-family: var(--esac-font-family-nav);
  font-size: clamp(1.02rem, 1.25vw, 1.15rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition:
    filter 0.2s ease,
    transform 0.2s ease,
    border-color 0.2s ease;
}

.course-card__btn:hover,
.course-card__btn:focus-visible {
  transform: translateY(-1px);
}

.course-card__btn--primary {
  color: #fff;
}

.course-card__btn--primary:hover,
.course-card__btn--primary:focus-visible {
  color: #fff;
}

.course-card__btn-label,
.course-card__btn-chevron {
  position: relative;
  z-index: 1;
}

.course-card--online .course-card__btn-chevron {
  margin-left: 0.2rem;
  font-size: 1.15em;
  font-weight: 400;
  transform: none;
}

.course-card__btn--outline {
  color: #fff;
}

.course-card__btn--outline:hover,
.course-card__btn--outline:focus-visible {
  color: #fff;
}

.course-card__btn-chevron {
  font-size: 1.05em;
  transform: scaleX(0.85);
}

/* Desktop (992px - 1199.98px) */
@media (min-width: 992px) and (max-width: 1199.98px) {
  .course-cards__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }

  .course-card {
    padding: 1.15rem;
  }
}

/* Tablet & pantallas intermedias (<= 991.98px) */
@media (max-width: 991.98px) {
  .course-cards__grid {
    grid-template-columns: 1fr;
    max-width: 38rem;
    margin-inline: auto;
  }

  .course-card--online .course-card__body {
    grid-template-columns: minmax(0, 0.95fr) minmax(12rem, 1.3fr);
    min-height: 0;
  }

  .course-card--online .course-card__media {
    min-height: 8.26rem;
  }

  .course-card--online .course-card__media img {
    width: 147.1%;
    max-height: 22.27rem;
    margin-right: -12%;
    transform: translateX(-17%) translateY(-8%);
  }

  .course-card__past-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Mobile & Tablet pequeña (<= 767.98px) */
@media (max-width: 767.98px) {
  .course-card__header {
    align-items: center;
    text-align: center;
  }

  .course-card__heading {
    justify-content: center;
    text-align: center;
  }

  .course-card__lead {
    align-items: center;
    text-align: center;
  }

  .course-card__lead span {
    text-align: center;
  }

  .course-card--online .course-card__title {
    white-space: normal;
  }

  .course-card--online .course-card__body {
    grid-template-columns: minmax(0, 1fr) minmax(8.5rem, 1.05fr);
  }

  .course-card--online .course-card__media {
    min-height: 7.24rem;
  }

  .course-card--online .course-card__media img {
    width: 164.4%;
    max-height: 17.21rem;
    margin-right: -20%;
    transform: translateX(-17%) translateY(-8%);
  }

  .course-card__past-list {
    grid-template-columns: 1fr;
  }

  .course-card__past-item {
    display: grid;
    grid-template-columns: 5.5rem 1fr;
    align-items: center;
    gap: 0.75rem;
  }

  .course-card__past-thumb {
    aspect-ratio: 1;
  }

  .course-card__featured {
    grid-template-columns: 1fr;
    padding: 0;
  }

  .course-card__featured-media,
  .course-card__featured-content {
    grid-column: 1;
  }

  .course-card__featured-media {
    min-height: 0;
    border-radius: 0.5rem;
  }

  .course-card__featured-content {
    padding: 0.7rem 0.7rem 1.35rem;
  }
}

/* Mobile (<= 575.98px) */
@media (max-width: 575.98px) {
  .course-card__header {
    align-items: center;
    text-align: center;
  }

  .course-card__heading {
    justify-content: center;
    text-align: center;
  }

  .course-card__lead {
    align-items: center;
    text-align: center;
  }

  .course-card__lead span {
    text-align: center;
    white-space: normal;
  }

  .course-card--online .course-card__body {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    min-height: 0;
  }

  .course-card--online .course-card__features {
    align-self: center;
    margin-inline: auto;
    width: fit-content;
    max-width: 100%;
    transform: none;
  }

  .course-card--online .course-card__media {
    min-height: 6.89rem;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-bottom: 0;
  }

  .course-card--online .course-card__media img {
    width: min(15.47rem, 69.7%);
    max-height: 11.62rem;
    margin-inline: auto;
    transform: none;
  }
}