/* ==========================================================================
   Componentes y layout — PyCon Panamá 2026

   Índice
   1. Layout          — container, section, page-header
   2. Encabezado      — header, navegación, submenú, botón móvil
   3. Hero            — portada de inicio
   4. Botones
   5. Tarjetas        — card-grid, card
   6. Acordeón        — preguntas frecuentes
   7. Contenido       — texto largo, enlaces
   8. Pie de página

   Todas las media queries están en responsive.css.
   ========================================================================== */


/* ==========================================================================
   1. Layout
   ========================================================================== */

/* Un único contenedor centra todo el sitio con el mismo ancho y márgenes. */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-gutter);
}

/* Ritmo vertical uniforme entre bloques de contenido. */
.section {
  padding-block: var(--section-y);
}

/* Banda alterna para separar visualmente secciones consecutivas. */
.section--alt {
  background: var(--surface-muted);
  border-block: 1px solid var(--border-soft);
}

/* Encabezado de sección: título y, si aporta algo nuevo, una bajada. */
.section-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.section h2 {
  font-size: var(--fs-h2);
}

.section-text {
  max-width: var(--measure);
  font-size: var(--fs-md);
  color: var(--text-secondary);
}

/* Cabecera de las páginas internas: da jerarquía y evita que el contenido
   arranque pegado al header. */
.page-header {
  padding-block: calc(var(--section-y) * 0.75);
  background: linear-gradient(180deg, var(--accent-soft) 0%, transparent 100%);
  border-bottom: 1px solid var(--border-soft);
}

.page-header .section-header {
  margin-bottom: 0;
}

.page-header h1 {
  font-size: var(--fs-h2);
}


/* ==========================================================================
   2. Encabezado
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: var(--header-h);
}

.brand {
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand:hover {
  color: var(--accent);
}

/* --- Navegación ---------------------------------------------------------- */

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-list a,
.submenu-toggle {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: var(--fs-sm);
  font-weight: 600;
  white-space: nowrap;
}

.nav-list a:hover,
.submenu-toggle:hover {
  color: var(--accent);
  background: var(--accent-softer);
}

/* Página actual: el usuario siempre sabe dónde está. */
.nav-list a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
}

/* --- Submenú ------------------------------------------------------------- */

.nav-item-has-children {
  position: relative;
}

.submenu-toggle::after {
  content: '';
  width: 6px;
  height: 6px;
  margin-left: var(--space-2);
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform var(--transition);
}

.nav-item-has-children.open > .submenu-toggle::after {
  transform: translateY(1px) rotate(-135deg);
}

.submenu {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  z-index: 30;
  display: none;
  min-width: 230px;
  padding: var(--space-2);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.nav-item-has-children:hover .submenu,
.nav-item-has-children:focus-within .submenu,
.nav-item-has-children.open .submenu {
  display: block;
}

.submenu a {
  display: block;
  width: 100%;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* --- Botón de menú (móvil) ----------------------------------------------- */

.nav-toggle {
  display: none;               /* responsive.css lo muestra en móvil */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;                 /* área táctil mínima recomendada */
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  transition: background var(--transition);
}

.nav-toggle:hover {
  background: var(--accent-soft);
}

/* Tres barras horizontales que se cruzan al abrir. */
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* ==========================================================================
   3. Hero
   ========================================================================== */

.hero-section {
  padding-block: var(--section-y);
  background: linear-gradient(180deg, var(--accent-soft) 0%, transparent 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
  align-items: center;
  gap: var(--space-7);
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-4);
  color: var(--accent);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-section h1 {
  font-size: var(--fs-h1);
  margin-bottom: var(--space-5);
}

.hero-section h1 span {
  color: var(--accent);
}

.hero-text {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
  font-size: var(--fs-lg);
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-muted) 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

/* El dato es el titular de la tarjeta: no necesita un rótulo que lo anuncie. */
.hero-card h2 {
  margin-bottom: var(--space-5);
  font-size: var(--fs-h3);
}

.hero-card ul {
  display: grid;
  gap: var(--space-3);
}

.hero-card li {
  position: relative;
  padding-left: var(--space-5);
}

.hero-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--lh-body) * 0.5em - 4px);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--highlight);
}


/* ==========================================================================
   4. Botones
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;            /* área táctil cómoda en móvil */
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  font-size: var(--fs-base);
  font-weight: 700;
  line-height: 1;
  text-align: center;
  transition: background-color var(--transition), color var(--transition),
    transform var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background-color: var(--accent);
  color: var(--text-on-accent);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  color: var(--text-on-accent);
}

.btn-secondary {
  border: 2px solid var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-secondary:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
}


/* ==========================================================================
   5. Tarjetas
   ========================================================================== */

/* Rejilla que se reacomoda sola y siempre llena la fila. */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--space-5);
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  height: 100%;                /* todas las tarjetas de una fila igualan alto */
  padding: var(--space-6);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card h3 {
  font-size: var(--fs-h3);
}

.card p {
  color: var(--text-secondary);
}

/* Tarjeta que es un enlace: el título hace de rótulo, sin un "ver más" que
   repita lo que el título ya dice. */
.card--link h3 {
  color: var(--accent);
}

.card--link:hover,
.card--link:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border);
}


/* ==========================================================================
   6. Acordeón (preguntas frecuentes)
   ========================================================================== */

.details-accordion {
  display: grid;
  gap: var(--space-4);
  max-width: var(--measure);
}

.details-accordion details {
  padding: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.details-accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  cursor: pointer;
  font-size: var(--fs-md);
  font-weight: 700;
  list-style: none;
}

/* Oculta el triángulo nativo en Safari/Chrome */
.details-accordion summary::-webkit-details-marker {
  display: none;
}

.details-accordion summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.details-accordion details[open] summary::after {
  content: "–";
}

.faq-answer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-soft);
  color: var(--text-secondary);
}


/* ==========================================================================
   7. Contenido
   ========================================================================== */

/* Bloque de texto largo (código de conducta, políticas). */
.prose {
  max-width: var(--measure);
  color: var(--text-secondary);
}

.prose > * + * {
  margin-top: var(--space-4);
}

.prose h3 {
  margin-top: var(--space-6);
  color: var(--text);
  font-size: var(--fs-h3);
}

.prose ul {
  display: grid;
  gap: var(--space-2);
  padding-left: var(--space-5);
  list-style: disc;
}

.internal-link,
.prose a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.internal-link:hover,
.prose a:hover {
  color: var(--accent-hover);
}


/* ==========================================================================
   8. Pie de página
   ========================================================================== */

.site-footer {
  margin-top: auto;
  padding-block: var(--space-6);
  background: var(--surface);
  border-top: 1px solid var(--border-soft);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-footer p {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
}

.footer-social {
  display: flex;
  gap: var(--space-2);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;                 /* área táctil mínima */
  height: 44px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--fs-md);
}

.footer-social a:hover {
  color: var(--accent);
  background: var(--accent-softer);
}