/**
 * Neuroeducador — front-page.css
 * Estilos exclusivos de la portada rediseñada.
 */

/* ============================================================
   BOTONES DE HEADER: INICIAR SESIÓN + SUSCRIBIRSE
   ============================================================ */

.header-login-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  border: 1.5px solid var(--accent);
  border-radius: 50px;
  font-family: var(--font);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  color: var(--accent);
  background: transparent;
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.02em;
  transition: background var(--t-fast), color var(--t-fast);
}
.header-login-btn:hover {
  background: var(--accent);
  color: var(--white);
}

@media (max-width: 480px) {
  .header-login-btn { display: none; }
}

.header-subscribe-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  border: 1.5px solid var(--accent);
  border-radius: 50px;
  font-family: var(--font);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  color: var(--white);
  background: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.02em;
  transition: background var(--t-fast), color var(--t-fast);
}
.header-subscribe-btn:hover {
  background: var(--accent-dark);
  color: var(--white);
}
.header-subscribe-btn:active {
  background: #000000;
  color: var(--white);
}

@media (max-width: 480px) {
  .header-subscribe-btn { display: none; }
}

/* ============================================================
   BÚSQUEDA INLINE EN HEADER
   Visibilidad controlada únicamente por CSS + clase .is-open.
   No se usa el atributo `hidden` para evitar conflictos con
   la transición (display:none bloquea las animaciones).
   ============================================================ */

/* Ícono X oculto por defecto */
.search-icon--close { display: none; }

.header-search {
  /* Siempre en el DOM, invisble hasta .is-open */
  display: block;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  pointer-events: none;
  background: var(--white);
  border-top: 0 solid var(--border);
  transition:
    max-height 0.28s ease,
    opacity    0.22s ease,
    padding    0.28s ease,
    border-top-width 0s;
  padding: 0;
}

.header-search.is-open {
  max-height: 72px;
  opacity: 1;
  pointer-events: auto;
  padding: var(--sp-3) 0;
  border-top-width: 1px;
}

.header-search__form {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}

.header-search__icon {
  position: absolute;
  left: var(--sp-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.header-search__input {
  flex: 1;
  padding: var(--sp-3) var(--sp-4) var(--sp-3) calc(var(--sp-4) + 28px);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-family: var(--font);
  font-size: var(--text-base);
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
}
.header-search__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(230,57,70,.12);
}
.header-search__input::placeholder { color: var(--text-light); }

.header-search__submit {
  flex-shrink: 0;
  padding: var(--sp-3) var(--sp-5);
  font-size: var(--text-sm);
}

/* ============================================================
   HERO — DOS COLUMNAS
   ============================================================ */

.fp-hero {
  background: var(--bg);
  padding: 0 24px 24px;
}

.fp-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
}

/* Columna izquierda */
.fp-hero__left {
  display: flex;
  align-items: center;
  padding: var(--sp-16) var(--sp-10);
}

.fp-hero__content { max-width: 560px; }

.fp-hero__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-5);
  padding: var(--sp-1) var(--sp-3);
  background: var(--accent-bg);
  border-radius: var(--r-sm);
}

.fp-hero__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: var(--fw-extrabold);
  line-height: var(--lh-tight);
  letter-spacing: -0.03em;
  color: var(--black);
  margin-bottom: var(--sp-6);
}
.hero-title__accent { color: var(--accent); }

.fp-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-8);
  max-width: 480px;
}

.fp-hero__actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* Botón outline sobre fondo claro */
.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  background: transparent;
  color: var(--black);
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  text-decoration: none;
  transition: all var(--t-fast);
}
.btn-outline-dark:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-bg);
}

/* Columna derecha: imagen o patrón */
.fp-hero__right {
  position: relative;
  overflow: hidden;
  min-height: 340px;
}
.fp-hero__right--image {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.fp-hero__right--pattern {
  background: linear-gradient(135deg, #fdf1f2 0%, #fff6f0 50%, #f0f5ff 100%);
}

/* Patrón SVG */
.fp-hero__pattern { position: relative; width: 100%; height: 100%; }
.fp-hero__pattern-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.fp-hero__pattern-badge {
  position: absolute;
  bottom: var(--sp-10);
  right: var(--sp-10);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-5) var(--sp-6);
  box-shadow: var(--shadow-md);
  text-align: center;
}
.fp-hero__pattern-num {
  display: block;
  font-size: var(--text-4xl);
  font-weight: var(--fw-extrabold);
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.04em;
}
.fp-hero__pattern-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--sp-1);
}

/* ============================================================
   HERO — SLIDESHOW (CAMBIO 3)
   ============================================================ */

.fp-hero__slideshow {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background: #f5f0eb;
  min-height: 340px;
}

@keyframes neu-ken-burns {
  from { transform: scale(1.0); }
  to   { transform: scale(1.08); }
}

.fp-hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.5s ease-in-out, transform 1.5s ease-in-out;
}

.fp-hero__slide.is-active {
  opacity: 1;
  transform: scale(1.0);
  animation: neu-ken-burns 8s ease-in-out forwards;
}

/* ============================================================
   TABS DE CATEGORÍAS
   ============================================================ */

.fp-cats {
  background: var(--bg);
  padding: 32px 0;
}

.cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
  justify-content: center;
  margin-bottom: var(--sp-8);
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--sp-4);
}
.cat-tabs::-webkit-scrollbar { display: none; }

.cat-tab__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  border: 1.5px solid var(--border);
  border-radius: var(--r-full);
  background: var(--white);
  white-space: nowrap;
  flex-shrink: 0;
  font-family: var(--font);
  font-size: 13px;
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--t-fast);
  letter-spacing: 0.02em;
}
.cat-tab__btn:hover {
  border-color: var(--tab-color, var(--accent));
  color: var(--tab-color, var(--accent));
}
.cat-tab__btn.is-active {
  background: var(--tab-color, var(--accent));
  border-color: var(--tab-color, var(--accent));
  color: var(--white);
}
.cat-tab__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.cat-tab__btn.is-active .cat-tab__dot { background: rgba(255,255,255,.7) !important; }

/* Panel */
.cat-tab__panel { animation: fadeInPanel var(--t-base) ease; }
@keyframes fadeInPanel { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.cat-panel__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
}

.cat-panel__card {
  background: var(--white);
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.cat-panel__card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.cat-panel__thumb { display: block; aspect-ratio: 16/9; overflow: hidden; }
.cat-panel__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.cat-panel__card:hover .cat-panel__thumb img { transform: scale(1.04); }
.cat-panel__body { padding: var(--sp-4); }
.cat-panel__title { font-size: var(--text-base); font-weight: var(--fw-bold); line-height: var(--lh-snug); margin-bottom: var(--sp-2); }
.cat-panel__title a { color: var(--black); }
.cat-panel__title a:hover { color: var(--accent); }
.cat-panel__excerpt { font-size: var(--text-sm); color: var(--text-muted); line-height: var(--lh-normal); margin-bottom: var(--sp-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cat-panel__meta { font-size: var(--text-xs); color: var(--text-light); }

.cat-panel__footer { margin-top: var(--sp-5); text-align: right; }
.cat-panel__link { font-size: var(--text-sm); font-weight: var(--fw-semibold); text-decoration: none; }
.cat-panel__link:hover { text-decoration: underline; }
.cat-panel__empty { color: var(--text-muted); font-size: var(--text-sm); padding: var(--sp-8) 0; text-align: center; }

/* ============================================================
   GRID EDITORIAL ASIMÉTRICO
   ============================================================ */

.fp-editorial {
  background: var(--white);
  padding: 32px 0;
}

.fp-editorial__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-8);
}

.fp-editorial__grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  align-items: stretch;
}

/* Columna derecha: tarjetas apiladas que llenan toda la altura */
.ed-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
  align-self: stretch;
}

/* Artículo grande */
.ed-main {
  background: var(--white);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  border-top: 3px solid var(--card-accent, var(--accent));
  transition: box-shadow var(--t-base), transform var(--t-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.ed-main:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.ed-main__thumb { display: block; flex: 1; overflow: hidden; min-height: 0; }
.ed-main__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.ed-main:hover .ed-main__thumb img { transform: scale(1.03); }
.ed-main__body { padding: var(--sp-6); }
.ed-main__title { font-size: var(--text-2xl); font-weight: var(--fw-extrabold); line-height: var(--lh-snug); margin: var(--sp-3) 0 var(--sp-3); }
.ed-main__title a { color: var(--black); }
.ed-main__title a:hover { color: var(--accent); }
.ed-main__excerpt { font-size: var(--text-base); color: var(--text-muted); line-height: var(--lh-relaxed); margin-bottom: var(--sp-4); }
.ed-main__meta { font-size: var(--text-xs); color: var(--text-light); }

/* Tarjetas laterales — imagen arriba, igual altura, llenan el contenedor */
.ed-list__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--item-color, var(--accent));
  border-radius: var(--r-md);
  overflow: hidden;
  transition: box-shadow var(--t-fast), transform var(--t-fast);
  min-height: 0;
}
.ed-list__item:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.ed-list__thumb {
  display: block;
  width: 100%;
  height: 140px;
  flex-shrink: 0;
  overflow: hidden;
}
.ed-list__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--t-slow); }
.ed-list__item:hover .ed-list__thumb img { transform: scale(1.04); }
.ed-list__thumb--placeholder { background: #f5f0eb; }
.ed-list__body { padding: var(--sp-3) var(--sp-4); flex: 1; display: flex; flex-direction: column; gap: var(--sp-1); }
.ed-list__title { font-size: var(--text-sm); font-weight: var(--fw-bold); line-height: var(--lh-snug); margin: 0; }
.ed-list__title a { color: var(--black); text-decoration: none; }
.ed-list__title a:hover { color: var(--accent); }
.ed-list__meta { font-size: var(--text-xs); color: var(--text-light); margin-top: auto; }

/* ============================================================
   ARTÍCULOS NUMERADOS
   ============================================================ */

.fp-numbered {
  background: var(--surface);
  padding: 32px 0;
}

.fp-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-8);
}

.fp-numbered__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

.num-card {
  background: var(--white);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.num-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* Thumbnail de la tarjeta numerada */
.num-card__thumb {
  display: block;
  width: 100%;
  height: 160px;
  overflow: hidden;
  flex-shrink: 0;
  border-radius: 8px 8px 0 0;
}
.num-card__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--t-slow); }
.num-card:hover .num-card__thumb img { transform: scale(1.03); }
.num-card__thumb--placeholder { height: 160px; border-radius: 8px 8px 0 0; }

/* Cuerpo */
.num-card__body {
  padding: var(--sp-5) var(--sp-5) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  flex: 1;
}
.num-card__number {
  font-size: 2.25rem;
  font-weight: var(--fw-extrabold);
  letter-spacing: -0.05em;
  line-height: 1;
  opacity: 0.4;
}
.num-card__title { font-size: var(--text-base); font-weight: var(--fw-bold); line-height: var(--lh-snug); margin: 0; }
.num-card__title a { color: var(--black); }
.num-card__title a:hover { color: var(--accent); }
.num-card__meta { font-size: var(--text-xs); color: var(--text-light); margin-top: auto; }

/* ============================================================
   RECURSOS + SIMULADOR
   ============================================================ */

.fp-recursos {
  background: var(--white);
  padding: 32px 0;
}

.fp-recursos__grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--sp-8);
  align-items: start;
}

.fp-recursos__cards {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.recurso-card {
  display: flex;
  align-items: stretch;
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 3px solid var(--card-accent, var(--accent));
  border-radius: var(--r-md);
  overflow: hidden;
  transition: box-shadow var(--t-fast);
}
.recurso-card:hover { box-shadow: var(--shadow-sm); }
.recurso-card__thumb { width: 120px; flex-shrink: 0; display: block; }
.recurso-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.recurso-card__body { padding: var(--sp-4); flex: 1; }
.recurso-card__title { font-size: var(--text-sm); font-weight: var(--fw-bold); line-height: var(--lh-snug); margin: var(--sp-2) 0 var(--sp-1); }
.recurso-card__title a { color: var(--black); }
.recurso-card__title a:hover { color: var(--accent); }
.recurso-card__meta { font-size: var(--text-xs); color: var(--text-light); }

/* Simulador destacado */
.simulador-card {
  background: linear-gradient(135deg, var(--accent) 0%, #c1121f 100%);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  color: var(--white);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  height: 100%;
}
.simulador-card__icon {
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,.15);
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.simulador-card__icon svg { color: var(--white); }
.simulador-card__title { font-size: var(--text-xl); font-weight: var(--fw-bold); color: var(--white); margin: 0; }
.simulador-card__desc { font-size: var(--text-sm); color: rgba(255,255,255,.8); line-height: var(--lh-relaxed); margin: 0; flex: 1; }
.simulador-card .btn-primary {
  background: var(--white);
  color: var(--accent);
  align-self: flex-start;
}
.simulador-card .btn-primary:hover { background: var(--accent-bg); color: var(--accent-dark); transform: translateY(-1px); }

/* ============================================================
   VIDEOS — BLOQUES CON FONDO OSCURO POR CATEGORÍA
   ============================================================ */

.fp-videos {
  background: #0a0a0a;
}

.fp-videos__header {
  padding: var(--sp-10) 0 var(--sp-6);
}

.fp-section-header--light { }
.fp-section-title--light { color: var(--white); }
.fp-section-link--light { color: rgba(255,255,255,.5); }
.fp-section-link--light:hover { color: var(--white); }

/* 3 bloques horizontales apilados, cada uno full-width */
.fp-videos__blocks {
  display: flex;
  flex-direction: column;
}

.vid-block {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: filter var(--t-base);
}
.vid-block:hover { filter: brightness(1.08); }

/* Sección de thumbnail con overlay */
.vid-block__facade {
  position: relative;
  width: 100%;
  aspect-ratio: 16/5;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vid-block__facade img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  transition: opacity var(--t-slow), transform var(--t-slow);
}
.vid-block:hover .vid-block__facade img {
  opacity: 0.45;
  transform: scale(1.02);
}

.vid-block__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* Ícono play centrado */
.vid-block__play {
  position: relative;
  z-index: 2;
  width: 64px;
  height: 64px;
  border: 2px solid var(--vid-accent, var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(4px);
  transition: transform var(--t-fast), background var(--t-fast);
}
.vid-block:hover .vid-block__play {
  transform: scale(1.12);
  background: rgba(0,0,0,.55);
}

/* Título y enlace */
.vid-block__body {
  padding: var(--sp-5) var(--sp-8);
  position: relative;
  z-index: 2;
}
.vid-block__title {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  color: rgba(255,255,255,.85);
  text-decoration: none;
  line-height: var(--lh-snug);
  transition: color var(--t-fast);
}
.vid-block__title:hover { color: var(--white); }

/* ============================================================
   BARRA SOPORTE
   ============================================================ */

.fp-support-bar {
  background: var(--accent);
  padding: var(--sp-6) 0;
}
.fp-support-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  flex-wrap: wrap;
}
.fp-support-bar__text {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}
.fp-support-bar__text strong { color: var(--white); font-size: var(--text-lg); font-weight: var(--fw-bold); }
.fp-support-bar__text span { color: rgba(255,255,255,.8); font-size: var(--text-sm); }
.fp-support-bar .btn-primary {
  background: var(--white);
  color: var(--accent);
  flex-shrink: 0;
}
.fp-support-bar .btn-primary:hover { background: var(--accent-bg); color: var(--accent-dark); }

/* ============================================================
   UTILIDADES SECCIÓN
   ============================================================ */

.fp-section-title {
  font-size: var(--text-2xl);
  font-weight: var(--fw-extrabold);
  color: var(--black);
  position: relative;
  padding-left: var(--sp-4);
}
.fp-section-title::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--section-accent, var(--accent));
  border-radius: 2px;
}
.fp-section-link {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--accent);
}
.fp-section-link:hover { color: var(--accent-dark); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1100px) {
  .fp-editorial__grid { grid-template-columns: 3fr 2fr; }
  .fp-numbered__grid { grid-template-columns: repeat(2, 1fr); }
  .cat-panel__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .fp-hero { padding: 0 16px 16px; }
  .fp-hero__inner { grid-template-columns: 1fr; }
  .fp-hero__right { min-height: 220px; }
  .fp-hero__left { padding: var(--sp-10) var(--sp-8); }

  .fp-recursos__grid { grid-template-columns: 1fr; }

  .fp-editorial__grid { grid-template-columns: 1fr; }

  .vid-block__facade { aspect-ratio: 16/6; }
  .vid-block__body { padding: var(--sp-4) var(--sp-5); }
}

@media (max-width: 640px) {
  .fp-hero__left { padding: var(--sp-8) var(--sp-5); }
  .fp-hero__title { font-size: clamp(1.75rem, 6vw, 2.5rem); }

  .cat-panel__grid { grid-template-columns: 1fr; }
  .fp-numbered__grid { grid-template-columns: 1fr; }

  .fp-support-bar__inner { flex-direction: column; align-items: flex-start; }
  .fp-hero__pattern-badge { bottom: var(--sp-5); right: var(--sp-5); }

  .header-search__submit { display: none; }
  .header-search__input { padding-right: var(--sp-4); }

  .vid-block__facade { aspect-ratio: 16/7; }
  .vid-block__play { width: 52px; height: 52px; }
}