/* =====================================================
   ICE - Páginas de cada curso (plantilla cursos/_curso.php)
   Se carga después de css/estilo-index.css (tokens, header, footer,
   .reveal). Mismo lenguaje visual que las páginas de tecnicaturas.

   Índice
   1. Portada
   2. Datos del curso (barra sobre el borde de la portada)
   3. Secciones (competencias, destinatarios, testimonios)
   4. Responsive
   ===================================================== */

/* ---------- 1. Portada ---------- */
.cu-hero,
.cu-competencias { --solape: 44px; }    /* cuánto baja la barra de datos sobre la sección siguiente */

.cu-hero {
    position: relative;
    display: flow-root;
    padding: clamp(40px, 5vw, 72px) 0 0;
    color: #fff;
    background: linear-gradient(135deg, var(--azul-900) 0%, var(--azul) 55%, var(--azul-600) 100%);
}
.cu-hero__fondo { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.cu-hero__puntos {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, .10) 1.3px, transparent 1.3px);
    background-size: 28px 28px;
    -webkit-mask-image: linear-gradient(100deg, transparent 0%, #000 65%);
    mask-image: linear-gradient(100deg, transparent 0%, #000 65%);
}
.cu-hero__orbe { position: absolute; border-radius: 50%; }
.cu-hero__orbe--naranja {
    top: -220px; right: -120px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(241, 155, 36, .40) 0%, rgba(241, 155, 36, 0) 68%);
}
.cu-hero__orbe--claro {
    bottom: -260px; left: -180px;
    width: 580px; height: 580px;
    background: radial-gradient(circle, rgba(255, 255, 255, .13) 0%, rgba(255, 255, 255, 0) 68%);
}

.cu-hero__grid {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: clamp(32px, 5vw, 80px);
    max-width: 1300px;
}

.cu-hero__titulo {
    font-family: var(--fuente-titulo);
    font-size: clamp(2.3rem, 5.4vw, 4.4rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -.03em;
    text-shadow: 0 6px 30px rgba(0, 0, 0, .3);
    animation: aparecer .9s var(--ease) backwards;
}
.cu-hero__titulo::after {
    content: '';
    display: block;
    width: 72px;
    height: 6px;
    margin-top: 22px;
    background: var(--naranja);
    border-radius: 999px;
}
.cu-hero__subtitulo {
    max-width: 32ch;
    margin-top: clamp(20px, 2.6vw, 30px);
    padding-left: 18px;
    font-size: clamp(1.15rem, 2.2vw, 1.6rem);
    font-style: italic;
    line-height: 1.4;
    color: rgba(255, 255, 255, .95);
    border-left: 5px solid var(--naranja);
    text-shadow: 0 2px 14px rgba(0, 0, 0, .5);
    animation: aparecer .9s .15s var(--ease) backwards;
}

.cu-hero__visual { position: relative; isolation: isolate; animation: aparecer 1s .25s var(--ease) backwards; }
.cu-hero__visual::before {
    content: '';
    position: absolute;
    inset: 22px -20px -20px 22px;
    z-index: -1;
    border: 3px solid var(--naranja);
    border-radius: 40px 40px 40px 150px;
    opacity: .85;
}
.cu-hero__foto {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 40px 40px 40px 150px;
    box-shadow: 0 40px 90px rgba(0, 0, 0, .5);
}
.cu-hero__foto img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.cu-hero__sello {
    position: absolute;
    top: -26px;
    right: -14px;
    display: grid;
    place-items: center;
    width: 84px;
    height: 84px;
    font-size: 2rem;
    color: var(--azul);
    background: var(--naranja);
    border: 5px solid var(--azul);
    border-radius: 50%;
    box-shadow: 0 16px 34px rgba(0, 0, 0, .4);
    animation: cu-flotar 5s ease-in-out infinite;
}
@keyframes cu-flotar {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-12px); }
}

/* ---------- 2. Datos del curso ---------- */
.cu-datos-caja {
    position: relative;
    z-index: 3;
    max-width: 1300px;
    margin-top: clamp(40px, 5vw, 64px);
    margin-bottom: calc(-1 * var(--solape));
    animation: aparecer 1s .4s var(--ease) backwards;
}
.cu-datos {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    overflow: hidden;
    background: linear-gradient(180deg, #16305c 0%, var(--azul-900) 100%);
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: var(--radio-l);
    box-shadow: 0 30px 70px rgba(13, 26, 51, .5);
}
.cu-datos::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--naranja), #ffc46b, var(--naranja));
}
.cu-datos li { display: flex; align-items: center; justify-content: center; padding: 18px 20px 16px; }
.cu-datos li + li { border-left: 1px solid rgba(255, 255, 255, .12); }
.cu-datos img { display: block; width: 100%; max-width: 175px; height: auto; }

/* ---------- 3. Secciones ---------- */
.cu-seccion { padding: clamp(56px, 7vw, 104px) 0; }
.cu-competencias { padding-top: calc(var(--solape) + clamp(48px, 6vw, 88px)); }
.cu-seccion--tenue { background: var(--tinte); }

.cu-dos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: clamp(32px, 6vw, 88px);
    max-width: 1300px;
}

.cu-titulo {
    margin-bottom: 28px;
    font-family: var(--fuente-titulo);
    font-size: clamp(1.8rem, 3.4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -.02em;
    color: var(--azul);
}
.cu-titulo::after {
    content: '';
    display: block;
    width: 56px;
    height: 5px;
    margin-top: 16px;
    background: var(--naranja);
    border-radius: 999px;
}
.cu-titulo--centro { text-align: center; margin-bottom: clamp(32px, 4vw, 52px); }
.cu-titulo--centro::after { margin-left: auto; margin-right: auto; }

.cu-parrafo { font-size: clamp(1.02rem, 1.5vw, 1.15rem); line-height: 1.85; color: var(--suave); }

.cu-lista { display: grid; gap: 12px; }
.cu-lista li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    line-height: 1.55;
    color: var(--texto);
    background: #fff;
    border: 1px solid var(--linea);
    border-radius: var(--radio-m);
    box-shadow: var(--sombra-s);
    transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.cu-lista li:hover { transform: translateX(6px); border-color: rgba(241, 155, 36, .55); box-shadow: var(--sombra-m); }
.cu-lista i {
    display: grid;
    flex-shrink: 0;
    place-items: center;
    width: 30px;
    height: 30px;
    margin-top: 1px;
    font-size: .8rem;
    color: var(--azul);
    background: var(--naranja);
    border-radius: 50%;
}

.cu-video {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #000;
    border-radius: var(--radio-l);
    box-shadow: var(--sombra-l);
}
.cu-video iframe { display: block; width: 100%; height: 100%; border: 0; }

/* Destinatarios */
.cu-destinatarios {
    display: flex;
    align-items: center;
    gap: clamp(20px, 4vw, 48px);
    max-width: 1100px;
    padding: clamp(28px, 4vw, 48px) clamp(24px, 4vw, 56px);
    background: #fff;
    border: 1px solid var(--linea);
    border-left: 8px solid var(--naranja);
    border-radius: var(--radio-l);
    box-shadow: var(--sombra-m);
}
.cu-destinatarios__icono {
    display: grid;
    flex-shrink: 0;
    place-items: center;
    width: 88px;
    height: 88px;
    font-size: 2.2rem;
    color: var(--naranja);
    background: var(--azul);
    border-radius: 24px;
    box-shadow: 0 12px 28px rgba(28, 52, 96, .3);
}
.cu-destinatarios .cu-titulo { margin-bottom: 20px; }

/* Testimonios */
.cu-testimonios__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(20px, 3vw, 40px);
    max-width: 1100px;
    margin: 0 auto;
}

/* ---------- 4. Responsive ---------- */
@media (max-width: 1100px) {
    .cu-hero__grid { grid-template-columns: 1fr; }
    .cu-hero__visual { max-width: 640px; }
    .cu-hero__sello { right: 8px; }

    .cu-dos { grid-template-columns: 1fr; }
    .cu-video { max-width: 720px; }
}

@media (max-width: 767px) {
    .cu-hero,
    .cu-competencias { --solape: 40px; }
    .cu-hero { padding-top: 32px; }

    /* Títulos centrados */
    .cu-hero__titulo,
    .cu-titulo { text-align: center; }
    .cu-hero__titulo::after,
    .cu-titulo::after { margin-left: auto; margin-right: auto; }
    .cu-hero__subtitulo { padding: 0; text-align: center; border-left: 0; margin-left: auto; margin-right: auto; }
    .cu-hero__visual { margin: 32px 0 20px; }
    .cu-hero__foto { aspect-ratio: 4 / 3; border-radius: 28px 28px 28px 90px; }
    .cu-hero__visual::before { inset: 16px -10px -14px 16px; border-radius: 28px 28px 28px 90px; }
    .cu-hero__sello { top: -22px; width: 68px; height: 68px; font-size: 1.6rem; border-width: 4px; }

    .cu-datos { grid-template-columns: 1fr; }
    .cu-datos li { justify-content: flex-start; padding: 20px 24px; }
    .cu-datos li + li { border-top: 1px solid rgba(255, 255, 255, .12); border-left: 0; }
    .cu-datos img { max-width: 180px; }

    .cu-lista li { padding: 14px 16px; }
    .cu-lista li:hover { transform: none; }

    .cu-destinatarios { flex-direction: column; text-align: center; border-left-width: 1px; border-top: 8px solid var(--naranja); }
    .cu-destinatarios__icono { width: 72px; height: 72px; font-size: 1.8rem; }

    .cu-testimonios__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    .cu-hero__sello { animation: none; }
    .cu-lista li:hover { transform: none; }
}