/* ============================================================
   Curso CABA — estilos de la plataforma (Estudio AJ5)
   Consume los tokens de estudio-aj5-tokens.css (:root --color-* / --font-*).
   Autocontenido: no depende de Bootstrap ni jQuery.
   Sirve para todas las páginas: portada, módulos y calculadores.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
}

.container { width: 100%; max-width: 900px; margin: 0 auto; padding: 0 20px; }

a { color: var(--color-link); text-decoration: none; }
a:hover { color: var(--color-link-hover); text-decoration: underline; }

/* ---------------- Barra superior (logo) ---------------- */
.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.topbar-inner {
  max-width: 900px; margin: 0 auto; padding: 10px 20px;
  display: flex; align-items: center; gap: 14px;
}
.topbar img { height: 46px; width: auto; }
.topbar .marca { font-weight: 700; color: var(--color-primary-hover); letter-spacing: .5px; }
.topbar .volver { margin-left: auto; font-weight: 600; font-size: 14px; }

/* ---------------- Hero ---------------- */
.hero {
  background: linear-gradient(135deg, var(--teal-700) 0%, var(--teal-500) 100%);
  color: var(--white);
  text-align: center;
  padding: 56px 20px 64px;
}
.hero .kicker {
  font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  font-size: 13px; color: var(--teal-200); margin-bottom: 16px;
}
.hero h1 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: clamp(24px, 4vw, 34px); line-height: 1.25;
  margin: 0 auto 14px; max-width: 760px;
  color: var(--white);                 /* alto contraste sobre el teal */
}
.hero p.lead { max-width: 640px; margin: 0 auto; font-size: 17px; color: rgba(255,255,255,.95); }
.hero .hero-cta { margin-top: 24px; }
.hero-cta-alt { display: block; margin-top: 14px; color: rgba(255,255,255,.9); font-weight: 600; font-size: 14px; text-decoration: underline; }
.hero-cta-alt:hover { color: var(--white); }

/* Botón CTA de WhatsApp (preinscripción / contacto) */
.btn-wa {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--white); color: var(--color-primary-hover);
  font-weight: 700; padding: 13px 26px; border-radius: 999px;
  text-decoration: none; box-shadow: 0 6px 18px rgba(0,0,0,.15);
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-wa:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(0,0,0,.22); text-decoration: none; }
.btn-wa svg { width: 22px; height: 22px; fill: currentColor; flex: 0 0 auto; }

/* --- Formulario de preinscripción (lead -> CRM vía /lead.php) --- */
.lead-section { padding: 8px 20px; }
.lead-card { max-width: 720px; margin: 8px auto 44px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 28px 26px; }
.lead-card h2 { font-family: var(--font-heading); color: var(--color-primary-hover); font-size: 22px; margin: 0 0 6px; }
.lead-card .lead-sub { color: var(--color-text-soft); margin: 0 0 20px; }
.lead-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.lf-field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; color: var(--color-text); }
.lf-full { grid-column: 1 / -1; }
.lf-field input, .lf-field select, .lf-field textarea { font-family: var(--font-sans); font-size: 15px; font-weight: 400; padding: 10px 12px; border: 1.5px solid var(--color-border); border-radius: var(--radius); background: var(--white); color: var(--color-text); }
.lf-field input:focus, .lf-field select:focus, .lf-field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-accent-soft); }
.lf-check { grid-column: 1 / -1; display: flex; align-items: flex-start; gap: 10px; font-size: 14px; font-weight: 400; color: var(--color-text-soft); }
.lf-check input { width: 18px; height: 18px; accent-color: var(--color-primary); flex: 0 0 auto; margin-top: 1px; }
.lf-radio { grid-column: 1 / -1; border: 0; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.lf-radio-q { font-size: 14px; font-weight: 600; color: var(--color-text); }
.lf-radio-opts { display: flex; gap: 20px; flex-wrap: wrap; }
.lf-radio-opt { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--color-text-soft); cursor: pointer; }
.lf-radio-opt input { width: 18px; height: 18px; accent-color: var(--color-primary); }
.lf-field.is-disabled { opacity: .5; }
.lf-field input:disabled { background: var(--color-bg); cursor: not-allowed; }
.lf-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.lf-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.btn-lead { border: 0; cursor: pointer; background: var(--color-primary); color: var(--color-primary-contrast); font-family: var(--font-sans); font-weight: 700; font-size: 15px; padding: 12px 26px; border-radius: 999px; transition: background .15s ease; }
.btn-lead:hover { background: var(--color-primary-hover); }
.btn-lead:disabled { opacity: .6; cursor: default; }
.lf-status { margin: 0; font-size: 14px; font-weight: 600; color: var(--color-text-soft); }
.lf-status.lf-error { color: #c0392b; }
.lead-gracias { text-align: center; padding: 12px 0; }
.lead-gracias h3 { font-family: var(--font-heading); color: var(--color-primary-hover); margin: 0 0 6px; }
.lead-gracias p { color: var(--color-text-soft); margin: 0; }
@media (max-width: 560px) { .lead-form { grid-template-columns: 1fr; } }

/* ---------------- Encabezado de página interna ---------------- */
.page-head { padding: 32px 0 8px; }
.page-head .eyebrow { color: var(--color-text-soft); font-size: 13px; text-transform: uppercase; letter-spacing: 1px; }
.page-head h1 {
  font-family: var(--font-heading); color: var(--color-primary-hover);
  font-weight: 700; text-transform: uppercase; letter-spacing: .5px;
  font-size: 24px; margin: 4px 0 6px;
}
.page-head p { color: var(--color-text-soft); margin: 0; }

/* ---------------- Progreso ---------------- */
.progreso {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: 16px 18px; margin: 22px 0;
}
.progreso-top {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; margin-bottom: 10px; flex-wrap: wrap;
}
.progreso-top strong { color: var(--color-primary-hover); }
.progreso-bar { height: 12px; background: var(--color-accent-soft); border-radius: 999px; overflow: hidden; }
.progreso-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--teal-500), var(--teal-700));
  border-radius: 999px; transition: width .35s ease;
}

/* ---------------- Grid de módulos (portada) ---------------- */
.card-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  margin: 8px 0 24px;
}
.card-modulo {
  display: block; text-decoration: none;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: 16px 16px 14px; transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}
.card-modulo.card-proximamente { opacity: .65; border-style: dashed; cursor: default; }
a.card-modulo:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--color-accent-soft); text-decoration: none; }
a.card-modulo.completo { border-color: var(--ok); }
.card-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.card-num { font-weight: 700; color: var(--color-primary-hover); font-size: 16px; }
.card-prog { font-size: 13px; font-weight: 700; color: var(--color-primary); white-space: nowrap; }
a.card-modulo.completo .card-prog { color: var(--ok); }
.card-temas { color: var(--color-text-soft); font-size: 13px; margin: 8px 0 12px; line-height: 1.5; }
.mini-bar { height: 8px; background: var(--color-accent-soft); border-radius: 999px; overflow: hidden; }
.mini-fill { height: 100%; width: 0%; background: var(--color-primary); border-radius: 999px; transition: width .35s ease; }
a.card-modulo.completo .mini-fill { background: var(--ok); }
a.card-modulo.card-extra { border-style: dashed; }
.card-badge {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px;
  color: var(--color-primary-hover); background: var(--color-accent-soft);
  padding: 3px 10px; border-radius: 999px; white-space: nowrap;
}

/* ---------------- Toolbar ---------------- */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin: 4px 0 16px; }
.btn {
  font-family: var(--font-sans); font-weight: 600; font-size: 14px;
  border-radius: var(--radius); padding: 9px 16px; cursor: pointer;
  border: 1.5px solid var(--color-primary); background: transparent;
  color: var(--color-primary-hover); transition: background .15s ease;
}
.btn:hover { background: var(--color-accent-soft); }
.btn.btn-ghost { border-color: var(--color-border); color: var(--color-text-soft); }
.btn.btn-solid { background: var(--color-primary); color: var(--color-primary-contrast); border-color: var(--color-primary); }
.btn.btn-solid:hover { background: var(--color-primary-hover); }

/* Accesos a carpetas (módulo) */
.accesos { display: flex; gap: 10px; flex-wrap: wrap; margin: 4px 0 18px; }
.accesos a { text-decoration: none; }

/* ---------------- Acordeón de temas ---------------- */
details.tema {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  margin-bottom: 10px; overflow: hidden;
}
details.tema[open] { box-shadow: var(--shadow-md); border-color: var(--color-accent-soft); }
summary.tema-head {
  list-style: none; cursor: pointer; display: flex; align-items: center;
  gap: 12px; padding: 14px 16px; user-select: none;
}
summary.tema-head::-webkit-details-marker { display: none; }
.tema-chevron { flex: 0 0 auto; width: 20px; height: 20px; transition: transform .2s ease; color: var(--color-primary); }
details.tema[open] .tema-chevron { transform: rotate(90deg); }
.tema-info { flex: 1 1 auto; min-width: 0; }
.tema-num { font-weight: 700; color: var(--color-primary-hover); font-size: 13px; text-transform: uppercase; letter-spacing: .5px; }
.tema-nombre { display: block; color: var(--color-text); font-size: 15px; margin-top: 1px; }
.tema-estado {
  flex: 0 0 auto; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  background: var(--color-accent-soft); color: var(--color-primary-hover); white-space: nowrap;
}
.tema-estado.completo { background: var(--ok); color: var(--white); }
.tema-body { padding: 2px 16px 16px; }

/* Reproductor de video incrustado (Drive), responsive 16:9 */
.video-wrap {
  position: relative; width: 100%; padding-top: 56.25%;
  background: #000; border: 1px solid var(--color-accent-soft);
  border-radius: var(--radius); overflow: hidden; margin: 4px 0 12px;
}
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-pendiente {
  border: 1.5px dashed var(--color-accent-soft); border-radius: var(--radius);
  color: var(--color-text-soft); text-align: center; padding: 22px 12px;
  margin: 4px 0 12px; font-size: 14px; background: var(--color-bg);
}
.recurso-nota { flex: 0 0 auto; font-size: 12px; color: var(--color-text-soft); font-style: italic; }

/* Recursos (video / manual / calculador) con checkbox */
.recursos { display: flex; flex-direction: column; gap: 8px; }
.recurso {
  display: flex; align-items: center; gap: 12px;
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 10px 14px;
}
.recurso input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--color-primary); cursor: pointer; flex: 0 0 auto; }
.recurso .recurso-label { flex: 1 1 auto; cursor: pointer; font-weight: 600; color: var(--color-text); }
.recurso .recurso-tipo { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--color-text-soft); margin-right: 6px; }
.recurso .recurso-link {
  flex: 0 0 auto; font-weight: 600; color: var(--color-primary-contrast);
  background: var(--color-primary); padding: 6px 14px; border-radius: var(--radius);
}
.recurso .recurso-link:hover { background: var(--color-primary-hover); text-decoration: none; }
.recurso .recurso-link.soft { background: transparent; color: var(--color-primary-hover); border: 1.5px solid var(--color-primary); }
.recurso .recurso-link.soft:hover { background: var(--color-accent-soft); color: var(--color-primary-hover); }
.recurso.done { border-color: var(--ok); background: #eef8f2; }
.recurso.done .recurso-label { color: var(--color-text-soft); text-decoration: line-through; }

/* Aviso */
.aviso {
  background: #fff8ec; border: 1px solid var(--warn); border-radius: var(--radius);
  padding: 12px 14px; color: #7a5a12; font-size: 14px; margin-bottom: 14px;
}

/* ---------------- Footer / contacto ---------------- */
footer.contacto { background: var(--teal-900); color: var(--white); margin-top: 48px; padding: 36px 20px; text-align: center; }
.social { display: flex; gap: 16px; justify-content: center; margin-bottom: 18px; flex-wrap: wrap; }
.social a { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: rgba(255,255,255,.1); color: var(--white); transition: background .15s ease; }
.social a:hover { background: var(--color-primary); text-decoration: none; }
.social svg { width: 20px; height: 20px; fill: currentColor; }
footer.contacto a.mail { color: var(--teal-200); font-weight: 600; }
footer.contacto .copy { margin-top: 14px; font-size: 13px; opacity: .7; }

/* ---------------- Responsive ---------------- */
@media (max-width: 560px) {
  .recurso { flex-wrap: wrap; }
  .recurso .recurso-link { width: 100%; text-align: center; }
  .hero { padding: 44px 18px 52px; }
  .card-grid { grid-template-columns: 1fr; }
}