/* ══════════════════════════════════════════════════════════════
   BLACK SHEEP ACADEMY — CSS UNIFICADO
   Reset + Variables + @font-face + Layout + Componentes
   Un solo archivo = 1 request HTTP = Lighthouse 100
   ══════════════════════════════════════════════════════════════ */


/* ──────────────────────────────────────
   1. RESET
   ────────────────────────────────────── */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

html, body {
  max-width: 100vw;
}

body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
h1, h2, h3, h4, h5, h6, p { overflow-wrap: break-word; }
table { border-collapse: collapse; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ──────────────────────────────────────
   2. @FONT-FACE (self-hosted Poppins)
   ────────────────────────────────────── */

@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/Poppins-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/Poppins-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/Poppins-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/Poppins-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}


/* ──────────────────────────────────────
   3. VARIABLES GLOBALES
   ────────────────────────────────────── */

:root {
  /* Paleta BSA */
  --bsa-negro:       #050404;
  --bsa-gris-oscuro: #545657;
  --bsa-gris-claro:  #C8C9C9;
  --bsa-violeta:     #B23AEE;
  --bsa-cyan:           #3CCAF7;
  --bsa-blanco:      #FDFDFD;

  /* Combinaciones */
  --bsa-gradiente:   linear-gradient(135deg, #B23AEE, #3CCAF7);
  --bsa-fondo-dark:  #050404;
  --bsa-fondo-light: #FDFDFD;
  --bsa-texto-dark:  #050404;
  --bsa-texto-light: #FDFDFD;
  --bsa-texto-muted: #545657;
  --bsa-borde:       #C8C9C9;

  /* Tipografía */
  --font-base: 'Poppins', system-ui, -apple-system, sans-serif;
  --font-weight-regular:  400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;

  /* Espaciado */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Contenedor */
  --container-max: 1200px;
  --container-padding: 1.25rem;

  /* Bordes */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Sombras */
  --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md:  0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg:  0 8px 30px rgba(0, 0, 0, 0.2);
  --shadow-glow-violeta: 0 0 20px rgba(60, 202, 247, 0.3);
  --shadow-glow-cyan:    0 0 20px rgba(60, 202, 247, 0.3);

  /* Tema — variables semánticas (dark por defecto) */
  --theme-bg:           #050404;
  --theme-bg-alt:       #0d0d0d;
  --theme-text:         #FDFDFD;
  --theme-text-muted:   #9ca3af;
  --theme-text-subtle:  #C8C9C9;
  --theme-card-bg:      rgba(255, 255, 255, 0.03);
  --theme-card-border:  rgba(200, 201, 201, 0.1);
  --theme-nav-bg:       rgba(5, 4, 4, 0.95);
  --theme-input-bg:     rgba(255, 255, 255, 0.05);
  --theme-input-border: rgba(200, 201, 201, 0.2);
  --theme-acento:       #3CCAF7;
  --theme-acento-alt:   #B23AEE;

  /* Dark = todo cyan */
  --bsa-acento:         #3CCAF7;
}

/* ── MODO CLARO ── */
[data-theme="light"] {
  --theme-bg:           #f5f5f5;
  --theme-bg-alt:       #ecedef;
  --theme-text:         #050404;
  --theme-text-muted:   #4b5563;
  --theme-text-subtle:  #374151;
  --bsa-cyan:           #6d28d9;
  --bsa-violeta:        #6d28d9;
  --bsa-acento:         #6d28d9;
  --theme-card-bg:      #FFFFFF;
  --theme-card-border:  #e5e7eb;
  --theme-nav-bg:       rgba(253, 253, 253, 0.95);
  --theme-input-bg:     #FFFFFF;
  --theme-input-border: #d1d5db;
  --theme-acento:       #6d28d9;
  --theme-acento-alt:   #6d28d9;
  --bsa-gradiente:      linear-gradient(135deg, #6d28d9, #8b5cf6);
  --shadow-glow-violeta: 0 0 20px rgba(109, 40, 217, 0.3);
  --shadow-glow-cyan:    0 0 20px rgba(109, 40, 217, 0.3);

  --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md:  0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg:  0 8px 30px rgba(0, 0, 0, 0.1);
}


/* ──────────────────────────────────────
   4. VARIABLES POR IDIOMA
   ────────────────────────────────────── */

.idioma-ingles {
  --idioma-primario:    #3CCAF7;
  --idioma-secundario:  #050404;
  --idioma-acento:      #FDFDFD;
  --idioma-hero-bg:     #050404;
  --idioma-card-border: #3CCAF7;
  --idioma-gradiente:   linear-gradient(135deg, #3CCAF7, #0a8ab5);
}

.idioma-portugues {
  --idioma-primario:    #B23AEE;
  --idioma-secundario:  #050404;
  --idioma-acento:      #FDFDFD;
  --idioma-hero-bg:     #1a0025;
  --idioma-card-border: #B23AEE;
  --idioma-gradiente:   linear-gradient(135deg, #B23AEE, #6a0099);
}

.idioma-frances {
  --idioma-primario:    #9B2FD4;
  --idioma-secundario:  #545657;
  --idioma-acento:      #FDFDFD;
  --idioma-hero-bg:     #0d0010;
  --idioma-card-border: #9B2FD4;
  --idioma-gradiente:   linear-gradient(135deg, #9B2FD4, #3CCAF7);
}

.idioma-italiano {
  --idioma-primario:    #3CCAF7;
  --idioma-secundario:  #050404;
  --idioma-acento:      #B23AEE;
  --idioma-hero-bg:     #00141a;
  --idioma-card-border: #3CCAF7;
  --idioma-gradiente:   linear-gradient(135deg, #3CCAF7, #B23AEE);
}

.idioma-espanol {
  --idioma-primario:    #B23AEE;
  --idioma-secundario:  #3CCAF7;
  --idioma-acento:      #FDFDFD;
  --idioma-hero-bg:     #0a001a;
  --idioma-card-border: #B23AEE;
  --idioma-gradiente:   linear-gradient(135deg, #B23AEE, #3CCAF7);
}


/* ──────────────────────────────────────
   5. TIPOGRAFÍA
   ────────────────────────────────────── */

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; line-height: 1.1; }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: 600; line-height: 1.2; }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 600; line-height: 1.3; }
p  { font-size: 1rem; font-weight: 400; line-height: 1.7; }


/* ──────────────────────────────────────
   6. LAYOUT BASE
   ────────────────────────────────────── */

body {
  font-family: var(--font-base);
  color: var(--theme-text);
  background-color: var(--theme-bg);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-4xl) 0;
}

.section--dark {
  background-color: var(--theme-bg);
  color: var(--theme-text);
}

.section--light {
  background-color: var(--theme-bg-alt);
  color: var(--theme-text);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section__header h2 {
  margin-bottom: var(--space-md);
}

.section__header p {
  color: var(--theme-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.grid {
  display: grid;
  gap: var(--space-xl);
}

/* Mobile-first: 1 columna por defecto, se expanden con min-width */
.grid--2,
.grid--3,
.grid--4,
.grid--5 { grid-template-columns: 1fr; }


/* ──────────────────────────────────────
   7. NAV
   ────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--theme-nav-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--theme-card-border);
  transition: background-color var(--transition-base);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav__logo img {
  height: 50px;
  width: auto;
  border-radius: var(--radius-md);
  background-color: var(--bsa-blanco);
  padding: 4px;
}

.nav__links {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
  color: var(--theme-text);
  transition: color var(--transition-fast);
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav__link:hover,
.nav__link--active {
  color: var(--bsa-acento);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--bsa-acento);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--theme-text);
  transition: var(--transition-base);
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}


/* ──────────────────────────────────────
   8. HERO
   ────────────────────────────────────── */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  position: relative;
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.hero__badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--bsa-acento);
  margin-bottom: var(--space-lg);
}

.hero__title {
  margin-bottom: var(--space-lg);
}

.hero__title span {
  color: var(--bsa-acento);
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--theme-text-subtle);
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.hero__ctas {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.hero__image {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  max-width: 550px;
  z-index: 1;
  opacity: 0.25;
  object-fit: contain;
  height: 80%;
}

/* Hero fullwidth background (home, corporativo, traducciones) */
.hero__image--bg {
  width: 100%;
  max-width: none;
  height: 100%;
  top: 0;
  left: 0;
  transform: none;
  object-fit: cover;
  object-position: center;
  opacity: 0.20;
}

[data-theme="light"] .hero__image--bg {
  opacity: 0.25;
}

/* Hero para paginas de idioma — fondo limpio, mismo que el tema */
.hero--idioma {
  background-color: var(--theme-bg);
}

.hero--idioma .hero__badge {
  color: var(--bsa-acento);
}

.hero--idioma .hero__title span {
  color: var(--bsa-acento);
}

/* Toggle idioma en hero */
.hero__lang-toggle {
  position: absolute;
  top: calc(70px + var(--space-lg));
  right: var(--container-padding);
  z-index: 10;
}

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--theme-card-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
}

.lang-toggle__btn {
  padding: 0.4rem 1rem;
  color: var(--theme-text-muted);
  transition: all var(--transition-fast);
}

.lang-toggle__btn.active {
  background: var(--bsa-acento);
  color: #fff;
}

.lang-toggle__btn:hover:not(.active) {
  color: var(--theme-text);
}


/* ──────────────────────────────────────
   9. BOTONES
   ────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--bsa-gradiente);
  color: var(--bsa-blanco);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-violeta);
}

.btn--secondary {
  background: transparent;
  color: var(--theme-text);
  border: 1px solid var(--theme-card-border);
}

.btn--secondary:hover {
  border-color: var(--bsa-acento);
  color: var(--bsa-acento);
  transform: translateY(-2px);
}

/* Boton con color de idioma */
.btn--idioma {
  background: var(--bsa-acento);
  color: var(--bsa-blanco);
}

.btn--idioma:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}


/* ──────────────────────────────────────
   10. CARDS
   ────────────────────────────────────── */

.card {
  background-color: var(--theme-card-bg);
  border: 1px solid var(--theme-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Card idioma en home */
.card--idioma {
  text-align: center;
  border-top: 3px solid var(--bsa-acento);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card--idioma:hover {
  box-shadow: var(--shadow-glow-cyan);
}

.card--idioma .card__avatar {
  width: 100%;
  max-width: 120px;
  height: auto;
  margin: 0 auto var(--space-md);
  position: relative;
  z-index: 2;
  opacity: 0.9;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.card--idioma:hover .card__avatar {
  opacity: 1;
  transform: scale(1.05);
}

.card--idioma .card__title {
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.card--idioma .card__subtitle {
  font-size: 0.85rem;
  color: var(--theme-text-muted);
  font-style: italic;
}

/* Card diferencial */
.card--diferencial {
  text-align: center;
  padding: var(--space-2xl);
}

.card--diferencial .card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
  color: var(--bsa-acento);
  font-weight: var(--font-weight-bold);
}

.card--diferencial .card__title {
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.card--diferencial .card__text {
  font-size: 0.9rem;
  color: var(--theme-text-muted);
  line-height: 1.6;
}

/* Card en pagina de idioma */
.card--page-idioma {
  border-top: 3px solid var(--bsa-acento);
}

.card--page-idioma:hover {
  box-shadow: var(--shadow-lg);
}


/* ──────────────────────────────────────
   11. BLOQUE CORPORATIVO (teaser en home)
   ────────────────────────────────────── */

.bloque-corp {
  background-color: var(--theme-card-bg);
  border: 1px solid var(--theme-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.bloque-corp__content {
  flex: 1;
}

.bloque-corp__content h2 {
  margin-bottom: var(--space-md);
}

.bloque-corp__content p {
  color: var(--theme-text-subtle);
  margin-bottom: var(--space-xl);
}

.bloque-corp__image {
  flex: 0 0 40%;
  border-radius: var(--radius-md);
  overflow: hidden;
  opacity: 0.35;
}


/* ──────────────────────────────────────
   12. TESTIMONIOS — CARRUSEL
   ────────────────────────────────────── */

.carousel {
  position: relative;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform var(--transition-slow);
}

.carousel__slide {
  min-width: 100%;
  padding: 0 var(--space-md);
}

@media (min-width: 769px) {
  .carousel__slide {
    min-width: 33.333%;
  }
}

.testimonio-card {
  background-color: var(--theme-card-bg);
  border: 1px solid var(--theme-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  height: 100%;
}

.testimonio-estrellas {
  color: #f5a623;
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
}

.testimonio-texto {
  font-size: 0.95rem;
  color: var(--theme-text-subtle);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonio-nombre {
  display: block;
  font-weight: var(--font-weight-semibold);
  font-size: 0.95rem;
}

.testimonio-detalle {
  display: block;
  font-size: 0.8rem;
  color: var(--theme-text-muted);
  margin-top: var(--space-xs);
}

.carousel__nav {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.carousel__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--theme-text-muted);
  transition: background-color var(--transition-fast);
  padding: 16px;
  background-clip: content-box;
  box-sizing: content-box;
}

.carousel__dot.active {
  background-color: var(--bsa-acento);
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--theme-card-bg);
  border: 1px solid var(--theme-card-border);
  color: var(--theme-text);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: all var(--transition-fast);
}

.carousel__btn:hover {
  border-color: var(--bsa-acento);
  color: var(--bsa-acento);
}

.carousel__btn--prev { left: var(--space-sm); }
.carousel__btn--next { right: var(--space-sm); }


/* ──────────────────────────────────────
   13. REGALO / PLANNER
   ────────────────────────────────────── */

.regalo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.regalo__content {
  flex: 1;
}

.regalo__content h2 {
  margin-bottom: var(--space-md);
}

.regalo__content p {
  color: var(--theme-text-subtle);
  margin-bottom: var(--space-xl);
}

.regalo__preview {
  flex: 0 0 300px;
  border-radius: var(--radius-md);
  overflow: hidden;
  opacity: 0.35;
}


/* ──────────────────────────────────────
   14. FORMULARIOS
   ────────────────────────────────────── */

.form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background-color: var(--theme-input-bg);
  border: 1px solid var(--theme-input-border);
  border-radius: var(--radius-md);
  color: var(--theme-text);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form input::placeholder,
.form textarea::placeholder {
  color: var(--theme-text-muted);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--bsa-acento);
  box-shadow: var(--shadow-glow-cyan);
}

.form select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23C8C9C9' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form select option {
  background-color: var(--theme-bg);
  color: var(--theme-text);
}

.form textarea {
  resize: vertical;
  min-height: 100px;
}

.form button[type="submit"] {
  align-self: flex-start;
  background: var(--bsa-gradiente);
  color: var(--bsa-blanco);
  padding: 0.9rem 2.5rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.form button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-violeta);
}

/* Forms: select options */


/* ──────────────────────────────────────
   15. WHATSAPP TRIPLE FLOTANTE
   ────────────────────────────────────── */

.wa-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
}

.wa-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--bsa-acento);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.wa-toggle:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-glow-cyan);
}

.wa-toggle svg {
  width: 28px;
  height: 28px;
  fill: white;
}

.wa-opciones {
  position: absolute;
  bottom: 70px;
  right: 0;
  background-color: var(--theme-bg);
  border: 1px solid var(--theme-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-sm);
  min-width: 260px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.95);
  transition: all var(--transition-base);
}

.wa-opciones.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.wa-opcion {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--theme-text);
  transition: background-color var(--transition-fast);
  width: 100%;
  text-align: left;
}

.wa-opcion:hover {
  background-color: var(--theme-bg-alt);
}

.wa-opcion__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bsa-acento);
}
}

.wa-opcion__icon svg {
  width: 20px;
  height: 20px;
}


/* ──────────────────────────────────────
   16. DATOS / RAZONES (paginas idioma)
   ────────────────────────────────────── */

.datos-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.datos-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.datos-item__number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bsa-acento);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: var(--font-weight-bold);
  color: var(--bsa-blanco);
}

.datos-item__text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--theme-text-subtle);
  padding-top: 0.35rem;
}


/* ──────────────────────────────────────
   17. PROCESO (corporativo / traducciones)
   ────────────────────────────────────── */

.proceso {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  counter-reset: paso;
}

.proceso__paso {
  flex: 1;
  text-align: center;
  position: relative;
}

.proceso__paso::before {
  counter-increment: paso;
  content: counter(paso);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bsa-gradiente);
  color: var(--bsa-blanco);
  font-weight: var(--font-weight-bold);
  font-size: 1.2rem;
  margin: 0 auto var(--space-lg);
}

.proceso__paso h3 {
  margin-bottom: var(--space-sm);
}

.proceso__paso p {
  font-size: 0.9rem;
  color: var(--theme-text-muted);
}


/* ──────────────────────────────────────
   18. FOOTER
   ────────────────────────────────────── */

.footer {
  background-color: var(--theme-bg-alt);
  border-top: 2px solid var(--bsa-acento);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  text-align: center;
}

.footer__brand p {
  color: var(--theme-text-muted);
  font-size: 0.85rem;
  margin-top: var(--space-sm);
  line-height: 1.5;
}

.footer__title {
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--bsa-acento);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--theme-card-border);
}

.footer__link {
  display: flex;
  align-items: center;
  font-size: 0.85rem;
  color: var(--theme-text-muted);
  padding: 3px 0;
  min-height: 32px;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer__link:hover {
  padding-left: 4px;
}

.footer__link:hover {
  color: var(--bsa-acento);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.footer__social a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--theme-card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--theme-text-muted);
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  border-color: var(--bsa-acento);
  color: var(--bsa-acento);
}

.footer__bottom {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--theme-card-border);
  text-align: center;
  font-size: 0.75rem;
  color: var(--theme-text-muted);
}

.footer__logo img {
  height: 45px;
  width: auto;
  border-radius: var(--radius-md);
  background-color: var(--bsa-blanco);
  padding: 4px;
}


/* ──────────────────────────────────────
   19. PAGINAS ESPECIALES (404, gracias)
   ────────────────────────────────────── */

.page-special {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl);
}

.page-special__avatar {
  width: 150px;
  height: 150px;
  margin-bottom: var(--space-2xl);
}

.page-special h1 {
  margin-bottom: var(--space-md);
}

.page-special p {
  color: var(--theme-text-subtle);
  max-width: 500px;
  margin-bottom: var(--space-xl);
}

.page-special__ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* Barra progreso redirect (gracias.html) */
.progress-bar {
  width: 200px;
  height: 4px;
  background-color: var(--theme-card-border);
  border-radius: var(--radius-full);
  margin-top: var(--space-2xl);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--bsa-gradiente);
  border-radius: var(--radius-full);
  animation: progressFill 8s linear forwards;
}

@keyframes progressFill {
  from { width: 0; }
  to { width: 100%; }
}


/* ──────────────────────────────────────
   20. UTILIDADES
   ────────────────────────────────────── */

.text-gradient {
  color: var(--bsa-acento);
}

.text-gradient--violeta {
  color: var(--bsa-violeta);
}

/* Grid uniformador de logos de clientes */
.clientes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-lg);
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}

.cliente-card {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px;
  padding: var(--space-md);
  background: var(--theme-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--theme-card-border);
  transition: all var(--transition-base);
}

.cliente-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--bsa-acento);
}

.cliente-card img {
  max-width: 100%;
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform var(--transition-base);
}

.cliente-card:hover img {
  transform: scale(1.05);
}

/* Toggle tema claro/oscuro */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--theme-text);
  border: 1px solid var(--theme-card-border);
  background: var(--theme-card-bg);
  transition: all var(--transition-fast);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--bsa-acento);
  color: var(--bsa-acento);
}

/* Ícono: sol en dark, luna en light */
.theme-toggle__icon--light { display: inline; }
.theme-toggle__icon--dark { display: none; }

[data-theme="light"] .theme-toggle__icon--light { display: none; }
[data-theme="light"] .theme-toggle__icon--dark { display: inline; }

.text-center { text-align: center; }
.text-muted { color: var(--theme-text-muted); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--bsa-acento);
  color: var(--bsa-negro);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
  font-weight: var(--font-weight-semibold);
}

.skip-link:focus {
  top: 0;
}


/* ══════════════════════════════════════
   21. NAV DROPDOWN IDIOMAS
   ══════════════════════════════════════ */

.nav__dropdown {
  position: relative;
}

.nav__dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: inherit;
  font-weight: var(--font-weight-medium);
  color: var(--theme-text);
  transition: color var(--transition-fast);
}

.nav__dropdown-toggle:hover {
  color: var(--bsa-acento);
}

.nav__dropdown-arrow {
  font-size: 0.6rem;
  transition: transform var(--transition-fast);
}

.nav__dropdown.active .nav__dropdown-arrow {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--theme-nav-bg);
  border: 1px solid var(--theme-card-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  min-width: 160px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.nav__dropdown.active .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.nav__dropdown-item {
  display: flex;
  align-items: center;
  padding: 0.5rem 1rem;
  min-height: 44px;
  font-size: 0.9rem;
  color: var(--theme-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
  white-space: nowrap;
}

.nav__dropdown-item:hover {
  background-color: var(--theme-bg-alt);
  color: var(--bsa-acento);
}


/* ══════════════════════════════════════
   22. RESPONSIVE — MOBILE FIRST
   Base = mobile. min-width = escalar hacia arriba.
   ══════════════════════════════════════ */

/* ── MOBILE BASE (ya definido arriba) ── */

/* Nav mobile: menú oculto por defecto */
.nav__links {
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  height: calc(100vh - 70px);
  background-color: var(--theme-nav-bg);
  flex-direction: column;
  justify-content: flex-start;
  padding-top: var(--space-2xl);
  gap: var(--space-xl);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

.nav__links.active {
  transform: translateX(0);
}

.nav__hamburger {
  display: flex;
}

.nav__link {
  font-size: 1.1rem;
}

/* Hero mobile */
.hero {
  min-height: auto;
  padding: calc(70px + var(--space-2xl)) 0 var(--space-2xl);
}

.hero__image { display: none; }
.hero__image--bg { display: block; opacity: 0.12; }
[data-theme="light"] .hero__image--bg { opacity: 0.15; }

.hero__ctas { flex-direction: column; }

.hero__lang-toggle {
  position: relative;
  top: auto;
  right: auto;
  margin-bottom: var(--space-lg);
}

/* Grids mobile: 1 columna */
.grid--2,
.grid--3,
.grid--4,
.grid--5 {
  grid-template-columns: 1fr;
}

/* Footer mobile */
.footer__inner {
  grid-template-columns: 1fr;
  text-align: center;
}

.footer__social {
  justify-content: center;
}

/* Proceso mobile: columna */
.proceso {
  flex-direction: column;
}

/* Carousel mobile: 1 slide */
.carousel__slide {
  min-width: 100%;
}

/* Form mobile: botón full width */
.form button[type="submit"] {
  align-self: stretch;
}

/* Bloque corp mobile: columna */
.bloque-corp {
  flex-direction: column;
}

.regalo {
  flex-direction: column;
}

/* Mobile: dropdown inline en menú hamburguesa */
.nav__dropdown-menu {
  position: static;
  transform: none;
  background-color: transparent;
  border: none;
  box-shadow: none;
  padding: 0 0 0 var(--space-lg);
  min-width: auto;
  opacity: 1;
  visibility: visible;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.nav__dropdown.active .nav__dropdown-menu {
  max-height: 300px;
}

.nav__dropdown-item {
  font-size: 1rem;
  padding: 0.4rem 0;
}

/* ── TABLET (min-width: 768px) ── */
@media (min-width: 768px) {
  .nav__links {
    position: static;
    width: auto;
    height: auto;
    background-color: transparent;
    flex-direction: row;
    padding-top: 0;
    gap: var(--space-lg);
    transform: none;
    overflow-y: visible;
  }

  .nav__hamburger {
    display: none;
  }

  .nav__link {
    font-size: 0.9rem;
  }

  /* Dropdown desktop: absoluto debajo del botón */
  .nav__dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--theme-nav-bg);
    border: 1px solid var(--theme-card-border);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    min-width: 160px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    max-height: none;
    overflow: visible;
    transition: all var(--transition-fast);
  }

  .nav__dropdown.active .nav__dropdown-menu {
    opacity: 1;
    visibility: visible;
  }

  .nav__dropdown-item {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
  }

  .hero {
    min-height: 100vh;
    padding-top: 70px;
  }

  .hero__image {
    display: block;
  }

  .hero__ctas {
    flex-direction: row;
  }

  .hero__lang-toggle {
    position: absolute;
    top: calc(70px + var(--space-lg));
    right: var(--container-padding);
  }

  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }

  .section {
    padding: var(--space-4xl) 0;
  }

  .proceso {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .proceso__paso {
    flex: 0 0 calc(50% - var(--space-md));
  }

  .carousel__slide {
    min-width: 50%;
  }

  .bloque-corp {
    flex-direction: row;
  }

  .regalo {
    flex-direction: row;
  }

  .form button[type="submit"] {
    align-self: flex-start;
  }
}

/* ── DESKTOP (min-width: 1024px) ── */
@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--5 { grid-template-columns: repeat(5, 1fr); }

  .footer__inner {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }

  .carousel__slide {
    min-width: 33.333%;
  }

  .proceso__paso {
    flex: 1;
  }
}

/* ── WIDE (min-width: 1440px) ── */
@media (min-width: 1440px) {
  :root {
    --container-max: 1320px;
  }
}