/* ============================================
   OPOLEVEL — Responsive layer
   Carga DESPUÉS de app/landing/screens para ganar el cascade.
   Breakpoints: 1024 (tablet) · 880 (nav hamburguesa) · 600 (móvil)
   ============================================ */

/* ——— Burguer button (oculto en desktop) ——— */
.topbar__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  padding: 0 9px;
  border: 1px solid var(--rule);
  border-radius: var(--r-2);
  background: var(--ink-2);
  flex-shrink: 0;
}
.topbar__burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ivory-1);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
.topbar.is-nav-open .topbar__burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.topbar.is-nav-open .topbar__burger span:nth-child(2) { opacity: 0; }
.topbar.is-nav-open .topbar__burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* En desktop, el menú agrupa nav + right tal cual estaban */
.topbar__menu {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  gap: 24px;
}
.points-pill--mobile { display: none; }

/* ====================================================================
   TABLET — max-width: 1024px
   ==================================================================== */
@media (max-width: 1024px) {
  :root { --gutter: 22px; }

  /* Landing hero pasa a 1 columna */
  .landing-hero { padding: 64px 24px 56px; }
  .landing-hero__inner { grid-template-columns: 1fr; gap: 40px; }

  .section-frame { padding: 64px 24px; }
  .section-frame__head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }

  /* Feature grid 12-col → 2 grandes columnas (span-6/4/8 → mitad) */
  .feature-cell.span-8,
  .feature-cell.span-6 { grid-column: span 6; }
  .feature-cell.span-4 { grid-column: span 6; }

  .testi-grid { grid-template-columns: repeat(2, 1fr); }

  /* App shell: sidebar más estrecho */
  .shell { grid-template-columns: 200px 1fr; }
  .dash-grid { grid-template-columns: 1fr; }
  .page-head { padding: 28px 24px 18px; }
  .page-body { padding: 24px 24px 48px; }
  .section { grid-template-columns: 160px 1fr; gap: 24px; }

  .temario-shell { grid-template-columns: 220px 1fr; }
  .temario-main { padding: 24px; }

  .plan-summary { grid-template-columns: 1fr 1fr; gap: 20px; }
}

/* ====================================================================
   NAV HAMBURGUESA — max-width: 880px
   ==================================================================== */
@media (max-width: 880px) {
  /* Secciones de 2 columnas → apiladas */
  .split-2col { grid-template-columns: 1fr; gap: 40px; }

  .topbar { gap: 12px; padding: 0 16px; position: sticky; top: 0; z-index: 10000; }
  .topbar__brand { margin-right: auto; }
  .topbar__burger { display: flex; }
  .points-pill--mobile { display: inline-flex; }

  /* El menú se convierte en panel desplegable bajo la topbar */
  .topbar__menu {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    background: var(--overlay-bg-strong);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--rule);
    box-shadow: var(--shadow-2);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
    display: none;
  }
  .topbar.is-nav-open .topbar__menu { display: flex; }

  .topbar__nav {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    flex: none;
    justify-content: flex-start;
  }
  .topbar__nav a {
    display: block;
    padding: 12px 14px;
    font-size: 15px;
    border-radius: var(--r-2);
  }
  .topbar__nav .topbar__nav-extra {
    border-left: 0;
    border-top: 1px solid var(--rule-faint);
    margin-left: 0;
    margin-top: 4px;
    padding-left: 14px;
    padding-top: 14px;
  }

  /* Submenús desplegables → acordeón dentro del panel móvil */
  .topbar__nav-item { flex-direction: column; align-items: stretch; position: static; }
  .topbar__nav-parent-row { display: flex; align-items: stretch; justify-content: space-between; }
  .topbar__nav-parent { flex: 1; padding: 12px 14px; font-size: 15px; border-radius: var(--r-2); }
  .topbar__nav-item .topbar__caret-ic { display: none; }
  .topbar__subtoggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; align-self: stretch;
    background: transparent; border: 0; color: var(--ivory-3);
    cursor: pointer; font-size: 17px;
  }
  .topbar__subtoggle span { transition: transform .15s; }
  .topbar__nav-item.is-open .topbar__subtoggle span { transform: rotate(180deg); }
  .topbar__submenu {
    position: static; display: none;
    min-width: 0; margin: 0; padding: 2px 0 8px 24px;
    background: transparent; border: 0; box-shadow: none;
    backdrop-filter: none; -webkit-backdrop-filter: none;
  }
  .topbar__submenu::before { display: none; }
  .topbar__nav-item.is-open > .topbar__submenu { display: flex; }
  .topbar__submenu a { padding: 10px 14px; font-size: 14px; }

  .topbar__right {
    margin-left: 0;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--rule-faint);
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .topbar__right .btn { width: 100%; justify-content: center; }
  .topbar__right .points-pill { justify-content: center; }
  .topbar-user { justify-content: space-between; }
  .topbar__logout { width: 100%; }

  /* Auth: ocultar panel lateral decorativo, formulario a ancho completo */
  .auth-page { grid-template-columns: 1fr; min-height: auto; }
  .auth-page__left { display: none; }
  .auth-page__right { padding: 40px 24px; }

  /* Temario: filtros arriba, no sidebar */
  .temario-shell { grid-template-columns: 1fr; }
  .temario-filters {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px 24px;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
    padding: 16px 20px;
  }
  .profile-grid { grid-template-columns: 1fr; gap: 24px; }
  .profile-nav { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .profile-nav a { border-left: 0; border-bottom: 2px solid transparent; padding: 8px 12px; }
  .profile-nav a.is-active { border-left: 0; border-bottom-color: var(--accent); }
}

/* ====================================================================
   MÓVIL — max-width: 600px
   ==================================================================== */
@media (max-width: 600px) {
  :root { --gutter: 16px; }
  body { font-size: 14.5px; }

  /* Rejillas de 3 (etapas, tarjetas de perfil) → 1 columna */
  .grid-3,
  .profile-cards { grid-template-columns: 1fr; }

  /* —— Landing —— */
  .landing-hero { padding: 40px 16px 40px; }
  .landing-hero h1 { font-size: clamp(34px, 11vw, 48px); margin: 14px 0 18px; }
  .landing-hero p.lede { font-size: 16px; }
  .hero-sample { padding: 14px; }

  .trust-strip { padding: 18px 16px; }
  .trust-strip__inner { gap: 18px 28px; }
  .trust-strip .item .n { font-size: 22px; }

  .section-frame { padding: 48px 16px; }
  .section-frame__head { margin-bottom: 28px; }

  /* Feature grid → 1 columna */
  .feature-grid { grid-template-columns: 1fr; }
  .feature-cell.span-12,
  .feature-cell.span-8,
  .feature-cell.span-6,
  .feature-cell.span-4 { grid-column: 1 / -1; }
  .feature-cell { min-height: 0; padding: 24px 20px; }
  .feature-cell h3 { font-size: 22px; }

  .testi-grid { grid-template-columns: 1fr; }
  .testi { min-height: 0; padding: 24px 20px; }

  .final-cta { padding: 64px 16px; }
  .final-cta p { font-size: 16px; }

  /* Footer: 5 cols → 2, leyenda apilada */
  .foot { padding: 40px 16px 24px; }
  .foot__cols { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .foot__col:first-child { grid-column: 1 / -1; }
  .foot__legal { flex-direction: column; gap: 10px; align-items: flex-start; padding-top: 20px; }

  /* —— Tabla de planes: scroll horizontal —— */
  .plans-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -16px; padding: 0 16px; }
  .plans { min-width: 600px; }
  .plans-table-wrap { padding: 0 16px 56px; margin-top: -24px; }
  .plans__cell { padding: 16px 14px; }
  .plans__cell .price { font-size: 30px; }
  .plans-hero { padding: 56px 16px; }

  /* —— App shell —— */
  .shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .page-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 22px 16px 16px;
  }
  .page-head__title { font-size: 28px; }
  .page-body { padding: 20px 16px 40px; }
  .section { grid-template-columns: 1fr; gap: 14px; padding: 22px 0; }
  .section__label p { max-width: none; }

  /* KPIs 4 → 2 columnas */
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .kpi:nth-child(2) { border-right: 0; }
  .kpi:nth-child(odd) { border-right: 0; }
  .kpi { border-bottom: 1px solid var(--rule-faint); padding: 18px 16px; }
  .kpi__value { font-size: 30px; }

  /* Dashboard: filas de asignatura simplificadas */
  .subject {
    grid-template-columns: 1fr auto;
    grid-template-areas: "name pct" "bar bar";
    gap: 8px 12px;
    padding: 14px 12px;
  }
  .subject .idx { display: none; }
  .subject .name { grid-area: name; font-size: 16px; }
  .subject .pct { grid-area: pct; }
  .subject .bar { grid-area: bar; }

  .session-row { grid-template-columns: 1fr auto; gap: 6px 12px; padding: 12px; }
  .session-row .points { grid-column: 1 / -1; }

  .block__head { padding: 14px 14px; flex-wrap: wrap; gap: 6px; }
  .block__body { padding: 4px; }
  .aside-card, .points-card { padding: 18px; }

  /* —— Temario —— */
  .temario-main { padding: 16px; }
  .bloque__head { grid-template-columns: 48px 1fr; gap: 10px; padding: 14px 14px; }
  .bloque__head .num { font-size: 26px; }
  .bloque__head h3 { font-size: 18px; }
  .bloque__head > .tag,
  .bloque__head > :last-child { grid-column: 1 / -1; }
  .tema-row {
    grid-template-columns: 28px 1fr auto;
    grid-template-areas: "idx title access" "idx meta meta";
    gap: 4px 10px;
    padding: 12px 14px;
  }
  .tema-row .idx { grid-area: idx; }
  .tema-row .title { grid-area: title; }
  .tema-row .access { grid-area: access; }
  .tema-row .meta { grid-area: meta; }
  .tema-row .meta + .meta { display: none; }

  /* —— Perfil —— */
  .field-row { grid-template-columns: 1fr; gap: 14px; }
  .plan-summary { grid-template-columns: 1fr; gap: 16px; padding: 20px; text-align: left; }
  .usage-row {
    grid-template-columns: 1fr auto;
    grid-template-areas: "what amt" "when when";
    gap: 4px 12px;
  }
  .usage-row .when { grid-area: when; }
  .usage-row .amt { grid-area: amt; }
  .danger-zone { flex-direction: column; align-items: flex-start; gap: 14px; }
  .danger-zone .btn { width: 100%; justify-content: center; }

  /* —— FAQ / planes —— */
  .faq { padding: 48px 16px; }
  .faq h2 { font-size: 34px; }

  /* —— Auth form —— */
  .auth-form .stage-pick { grid-template-columns: 1fr; }

  /* —— Footer app —— */
  .foot--app .foot__inner { padding: 18px 16px !important; }

  /* —— Reading pages (legal, etc.) —— */
  .container { padding-left: 16px; padding-right: 16px; }
}

/* ====================================================================
   MÓVIL PEQUEÑO — max-width: 380px
   ==================================================================== */
@media (max-width: 380px) {
  .kpi-row { grid-template-columns: 1fr; }
  .kpi { border-right: 0 !important; }
  .topbar-user__name { display: none; }
}

/* Ocultar burbuja flotante de CookieYes en móvil (coach page) */
@media (max-width: 600px) {
  body.opolevel-fullpage .cky-btn-revisit-wrapper,
  body.opolevel-fullpage #cky-btn-revisit,
  .cky-btn-revisit-wrapper { display: none !important; }
}