/* ============================================================================
   VISION ENGLISH — RETOQUES DEL INICIO
   ----------------------------------------------------------------------------
   Hoja propia para no editar styles.css, que es territorio de Codex. Aquí solo
   van ajustes de la pantalla de Inicio que el kit general no cubre.
   ========================================================================= */

/* Cursos Activos: seis tarjetas, dos filas completas de tres. */
.course-grid.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  align-items: stretch;
}

/* Modo claro: vidrio humo para los controles de Cursos Activos. */
body:not(.dark) .home-course-level-bar {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .28), rgba(211, 215, 228, .16));
  border: 1.5px solid rgba(255, 255, 255, .78);
  border-right-color: rgba(131, 137, 153, .46);
  border-bottom-color: rgba(117, 123, 140, .52);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, .96),
    inset -1px -1px 0 rgba(120, 126, 143, .18),
    0 14px 34px rgba(63, 67, 83, .15);
  -webkit-backdrop-filter: blur(28px) saturate(155%) contrast(104%);
  backdrop-filter: blur(28px) saturate(155%) contrast(104%);
}

body:not(.dark) .home-course-level-tabs {
  border-color: rgba(255, 255, 255, .68);
  background: rgba(229, 232, 241, .24);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, .9),
    inset -1px -1px 0 rgba(120, 126, 143, .18),
    0 7px 18px rgba(72, 76, 90, .12);
  -webkit-backdrop-filter: blur(20px) saturate(145%);
  backdrop-filter: blur(20px) saturate(145%);
}

body:not(.dark) .home-course-level-tabs button:not(.active) {
  border: 1px solid rgba(255, 255, 255, .34);
  background: rgba(246, 247, 250, .28);
}

body:not(.dark) .section-heading .link-btn {
  border: 1px solid rgba(133, 138, 151, .42);
  background: rgba(235, 237, 243, .42);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .82);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  backdrop-filter: blur(12px) saturate(120%);
}

.course-grid.compact > .course-card {
  --course-media-height: 120px;
  position: relative;
  height: 100%;
  min-height: 310px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, .7), rgba(248, 245, 255, .42)) !important;
  border: 1px solid transparent;
  box-shadow:
    0 18px 42px rgba(76, 43, 132, .13),
    inset 0 1px 0 rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: blur(22px) saturate(145%);
  backdrop-filter: blur(22px) saturate(145%);
}

body:not(.dark) .course-grid.compact > .course-card {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, .22), rgba(205, 211, 228, .13)) !important;
  box-shadow:
    0 22px 48px rgba(55, 59, 76, .18),
    inset 1px 1px 0 rgba(255, 255, 255, .86),
    inset -1px -1px 0 rgba(99, 106, 126, .14);
  -webkit-backdrop-filter: blur(30px) saturate(165%) contrast(105%);
  backdrop-filter: blur(30px) saturate(165%) contrast(105%);
}

/* Reflejo refractado dentro del vidrio; comienza debajo de la portada. */
body:not(.dark) .course-grid.compact > .course-card::before {
  content: '';
  position: absolute;
  z-index: 1;
  inset: var(--course-media-height) 0 0;
  pointer-events: none;
  border-radius: 0 0 var(--radius) var(--radius);
  background:
    linear-gradient(118deg,
      rgba(255, 255, 255, .5) 0%,
      rgba(255, 255, 255, .14) 18%,
      transparent 38%,
      rgba(171, 184, 218, .1) 64%,
      rgba(255, 255, 255, .28) 100%);
  opacity: .72;
}

.course-grid.compact > .course-card > :not(img) {
  position: relative;
  z-index: 2;
}

.course-grid.compact > .course-card > .badge-count,
.course-grid.compact > .course-card > .daily-badge {
  position: absolute;
  z-index: 5;
}

/* El contorno mate pertenece solo al panel informativo, no a la imagen. */
.course-grid.compact > .course-card::after {
  content: '';
  position: absolute;
  z-index: 4;
  inset: var(--course-media-height) 0 0;
  pointer-events: none;
  border: 2px solid rgba(126, 133, 151, .52);
  border-top-color: rgba(255, 255, 255, .98);
  border-left-color: rgba(250, 252, 255, .9);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, .52),
    inset 0 2px 1px rgba(255, 255, 255, .88),
    inset 0 -1px 0 rgba(91, 98, 118, .16),
    0 12px 26px rgba(61, 65, 82, .16);
}

.course-grid.compact > .course-card img {
  flex: 0 0 var(--course-media-height);
  background: var(--surface);
  border-bottom-color: rgba(255, 255, 255, .56);
}

.course-grid.compact > .course-card:hover {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, .78), rgba(242, 237, 255, .5)) !important;
  border-color: transparent;
  box-shadow:
    0 22px 48px rgba(76, 43, 132, .19),
    inset 0 1px 0 rgba(255, 255, 255, .96);
}

body:not(.dark) .course-grid.compact > .course-card:hover {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, .3), rgba(198, 205, 225, .17)) !important;
}

.course-grid.compact > .course-card:hover::after {
  border-color: rgba(119, 125, 139, .68);
  border-top-color: rgba(255, 255, 255, 1);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, .94),
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 10px 22px rgba(78, 82, 96, .16);
}

body.dark .course-grid.compact > .course-card {
  background:
    linear-gradient(145deg, rgba(20, 24, 44, .72), rgba(39, 22, 65, .46)) !important;
  border-color: rgba(192, 132, 252, .22);
  box-shadow:
    0 18px 44px rgba(0, 0, 0, .34),
    inset 0 1px 0 rgba(255, 255, 255, .1);
}

body.dark .course-grid.compact > .course-card::after {
  border-color: rgba(179, 184, 198, .5);
  border-top-color: rgba(245, 247, 252, .72);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, .13),
    inset 0 1px 0 rgba(255, 255, 255, .45),
    0 10px 22px rgba(0, 0, 0, .28);
}

body.dark .course-grid.compact > .course-card:hover {
  background:
    linear-gradient(145deg, rgba(25, 30, 54, .78), rgba(53, 27, 83, .54)) !important;
  border-color: rgba(192, 132, 252, .42);
  box-shadow:
    0 22px 50px rgba(0, 0, 0, .42),
    0 0 24px rgba(124, 58, 237, .12),
    inset 0 1px 0 rgba(255, 255, 255, .14);
}

body.dark .course-grid.compact > .course-card:hover::after {
  border-color: rgba(205, 209, 220, .62);
  border-top-color: rgba(255, 255, 255, .86);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, .18),
    inset 0 1px 0 rgba(255, 255, 255, .58),
    0 12px 26px rgba(0, 0, 0, .34);
}

.course-grid.compact > .course-card h3 {
  min-height: 2.6em;
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  line-height: 1.3;
}

.course-grid.compact > .course-card p {
  min-height: 2.8em;
  line-height: 1.4;
}

body:not(.dark) .course-grid.compact .badge-count,
body:not(.dark) .course-grid.compact .daily-badge {
  border: 1px solid rgba(255, 255, 255, .72);
  background: rgba(224, 227, 235, .72);
  color: #171a24;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .9),
    0 5px 14px rgba(39, 42, 53, .16);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  backdrop-filter: blur(12px) saturate(120%);
}

body:not(.dark) .course-grid.compact .daily-card-meta span {
  border-color: rgba(131, 136, 149, .38);
  background: rgba(231, 233, 240, .5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .72);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

body:not(.dark) .course-grid.compact .daily-card-meta span:first-child {
  border-color: rgba(5, 150, 105, .3);
  background: rgba(167, 243, 208, .32);
  color: #047857;
}

body:not(.dark) .course-grid.compact > .course-card > button {
  padding: 7px 11px;
  border: 1px solid rgba(129, 134, 147, .36);
  border-radius: 8px;
  background: rgba(234, 236, 243, .5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .76);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

@media (max-width: 1180px) {
  .course-grid.compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .course-grid.compact {
    grid-template-columns: minmax(0, 1fr);
  }
}