/* ==========================================================
   Traduccion.ai — Hoja de estilos principal (v2 — rediseño moderno)

   SISTEMA DE VARIABLES:
   Se usan tokens CSS para soportar light/dark mode.
   El tema oscuro se activa con data-theme="dark" en <html>.
   ========================================================== */

/* ── 1. VARIABLES DE TEMA ───────────────────────────────── */
:root {
  /* Fondos */
  --bg-primary:   #FAF7F2;
  --bg-secondary: #F0EAE0;
  --bg-surface:   #FFFFFF;
  --bg-elevated:  #F5F1EC;

  /* Texto */
  --text-primary:   #2D2A26;
  --text-secondary: #6B6560;
  --text-muted:     #9A9590;

  /* Acento */
  --accent:       #B85C38;
  --accent-hover: #9A4A2E;
  --accent-light: #D4A574;
  --accent-glow:  rgba(184, 92, 56, 0.25);

  /* Bordes */
  --border:       #D9D2C9;
  --border-light: #E8E2DA;
  --border-light-2: #E8E2DA;

  /* Resaltados */
  --highlight:       #F5E6B8;
  --highlight-hover: #EDD48B;

  /* Sombras */
  --shadow-sm:  0 1px 3px rgba(45,42,38,0.08), 0 1px 2px rgba(45,42,38,0.06);
  --shadow-md:  0 4px 16px rgba(45,42,38,0.10), 0 2px 4px rgba(45,42,38,0.06);
  --shadow-lg:  0 8px 32px rgba(45,42,38,0.12), 0 4px 8px rgba(45,42,38,0.06);

  /* Utilidades */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  20px;
  --success:    #5B8C5A;

  /* Mesh gradient del hero */
  --hero-mesh:
    radial-gradient(ellipse at 10% 55%, rgba(184,92,56,0.09) 0%, transparent 55%),
    radial-gradient(ellipse at 88% 12%, rgba(212,165,116,0.11) 0%, transparent 48%),
    radial-gradient(ellipse at 65% 88%, rgba(184,92,56,0.07) 0%, transparent 42%);
}

[data-theme="dark"] {
  --bg-primary:   #0D0D0D;
  --bg-secondary: #141414;
  --bg-surface:   #1A1A1A;
  --bg-elevated:  #222222;

  --text-primary:   #EDEAE5;
  --text-secondary: #8A8580;
  --text-muted:     #5A5755;

  --accent:       #D4724A;
  --accent-hover: #E08560;
  --accent-light: #D4A574;
  --accent-glow:  rgba(212, 114, 74, 0.3);

  --border:       #272727;
  --border-light: #1F1F1F;
  --border-light-2: #474747;

  --highlight:       #3A2A16;
  --highlight-hover: #4E3A20;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.3),  0 1px 2px rgba(0,0,0,0.2);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.4), 0 2px 4px rgba(0,0,0,0.2);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.5), 0 4px 8px rgba(0,0,0,0.3);

  --hero-mesh:
    radial-gradient(ellipse at 10% 55%, rgba(184,92,56,0.22) 0%, transparent 55%),
    radial-gradient(ellipse at 88% 12%, rgba(212,165,116,0.14) 0%, transparent 48%),
    radial-gradient(ellipse at 65% 88%, rgba(100,30,10,0.28) 0%, transparent 42%);
}


/* ── 2. RESET Y BASE ────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

/* Transición suave al cambiar de tema */
body,
header,
.traductor-panel,
.modal,
.progreso-caja,
.paso,
.zona-texto,
.zona-subir,
.selector-idioma select,
.formulario-espera input,
.documento-revisado,
.consejos-seccion,
.consejo-item,
.revision-leyenda,
.archivo-simulado,
.flag-select-trigger,
.flag-select-dropdown {
  transition:
    background-color 0.3s ease,
    border-color     0.3s ease,
    color            0.3s ease,
    box-shadow       0.3s ease;
}

body {
  font-family: 'Source Sans 3', 'Georgia', serif;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.65;
  overflow-x: hidden;
}

/* Textura sutil */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}


/* ── 3. TIPOGRAFÍA ──────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'DM Serif Display', 'Georgia', serif;
  font-weight: 400;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: 2.85rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.4rem; }

p {
  max-width: 65ch;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

a:hover { color: var(--accent-hover); }


/* ── 4. LAYOUT GENERAL ──────────────────────────────────── */
.contenedor {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.seccion { padding: 72px 0; }


/* ── 5. NAVEGACIÓN ──────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(250, 247, 242, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  transition: background 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] header {
  background: rgba(13, 13, 13, 0.88);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1100px;
  margin: 0 auto;
  gap: 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  font-family: 'DM Serif Display', serif;
  font-size: 1.45rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}

.nav-logo:hover { opacity: 0.8; color: var(--text-primary); }

.logo-img {
  height: 36px;
  width: auto;
  display: block;
  margin-right: 10px;
}

.nav-logo span { color: var(--accent); }

.nav-enlaces {
  display: flex;
  gap: 28px;
  list-style: none;
  align-items: center;
  flex: 1;
  justify-content: center;
}

.nav-enlaces a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
}

.nav-enlaces a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.25s ease;
}

.nav-enlaces a:hover { color: var(--text-primary); }
.nav-enlaces a:hover::after { width: 100%; }

.nav-cta {
  background: var(--accent) !important;
  color: var(--bg-primary) !important;
  padding: 8px 18px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  font-size: 0.88rem !important;
  text-decoration: none !important;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease !important;
  white-space: nowrap;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  background: var(--accent-hover) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px var(--accent-glow) !important;
  color: var(--bg-primary) !important;
}

/* Controles del nav: lang picker + dark toggle */
.nav-controles {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ── Toggle Dark Mode ── */
.dark-toggle {
  position: relative;
  width: 46px;
  height: 26px;
  background: var(--border);
  border: none;
  border-radius: 13px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.3s ease;
  outline: none;
}

.dark-toggle:focus-visible {
  box-shadow: 0 0 0 2px var(--accent);
}

.dark-toggle::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-primary);
  top: 3px;
  left: 3px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .dark-toggle {
  background: var(--accent);
}

[data-theme="dark"] .dark-toggle::after {
  transform: translateX(20px);
}

/* Icono sol/luna dentro del toggle */
.dark-toggle-sun,
.dark-toggle-moon {
  position: absolute;
  font-size: 11px;
  top: 50%;
  transform: translateY(-50%);
  transition: opacity 0.2s ease;
  pointer-events: none;
  line-height: 1;
}

.dark-toggle-sun  { right: 6px; opacity: 1; }
.dark-toggle-moon { left: 6px;  opacity: 0; }

[data-theme="dark"] .dark-toggle-sun  { opacity: 0; }
[data-theme="dark"] .dark-toggle-moon { opacity: 1; }


/* ── Lang Picker (selector de idioma de la UI) ── */
.lang-picker {
  position: relative;
}

.lang-picker-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.82rem;
  font-family: 'Source Sans 3', sans-serif;
  color: var(--text-secondary);
  font-weight: 600;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.lang-picker-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.lang-picker-btn .lang-flag { font-size: 1rem; }
.lang-picker-btn .lang-chevron {
  font-size: 0.65rem;
  opacity: 0.6;
  transition: transform 0.2s ease;
}

.lang-picker.abierto .lang-picker-btn .lang-chevron {
  transform: rotate(180deg);
}

.lang-picker-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  list-style: none;
  min-width: 160px;
  overflow: hidden;
  z-index: 300;
  animation: dropdownEntra 0.18s ease forwards;
}

.lang-picker.abierto .lang-picker-dropdown { display: block; }

.lang-picker-dropdown li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 0.88rem;
  font-family: 'Source Sans 3', sans-serif;
  color: var(--text-secondary);
  transition: background 0.15s ease, color 0.15s ease;
}

.lang-picker-dropdown li:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.lang-picker-dropdown li.activo {
  color: var(--accent);
  font-weight: 600;
}

.lang-picker-dropdown li .lp-flag { font-size: 1.1rem; }


/* ── Hamburger (móvil) ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-hamburger.abierto span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.abierto span:nth-child(2) { opacity: 0; }
.nav-hamburger.abierto span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ── 6. HERO ────────────────────────────────────────────── */
.hero {
  padding: 88px 0 56px;
  position: relative;
  background: var(--hero-mesh), var(--bg-primary);
  overflow: hidden;
}

.hero .contenedor {
  position: relative;
}

.hero-contenido {
  max-width: 680px;
  position: relative;
  z-index: 1;
}

.hero-etiqueta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--accent);
  margin-bottom: 22px;
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  opacity: 0;
  animation: entradaIzquierda 0.6s ease 0.1s forwards;
}

.hero h1 {
  margin-bottom: 26px;
  letter-spacing: -1.5px;
  opacity: 0;
  animation: entradaSuave 0.65s ease 0.25s forwards;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-descripcion {
  font-size: 1.13rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 38px;
  line-height: 1.75;
  opacity: 0;
  animation: entradaSuave 0.65s ease 0.4s forwards;
}

.hero-acciones {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: entradaSuave 0.65s ease 0.55s forwards;
}

.hero-nota {
  margin-top: 44px;
  font-size: 0.83rem;
  color: var(--text-muted);
  font-style: italic;
  border-top: 1px solid var(--border-light);
  padding-top: 20px;
  max-width: 480px;
  opacity: 0;
  animation: entradaSuave 0.65s ease 0.7s forwards;
}

/* Decoración lateral del hero */
.hero-deco {
  position: absolute;
  right: 40px;
  top: 80px;
  width: 300px;
  height: 380px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  transform: rotate(2.5deg);
  pointer-events: none;
  opacity: 0;
  animation: entradaDerecha 0.9s ease 0.5s forwards;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, transparent 100%);
}

.hero-deco::after {
  content: '§';
  position: absolute;
  font-family: 'DM Serif Display', serif;
  font-size: 10rem;
  color: var(--border-light-2);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: color 0.3s ease;
}


/* ── 7. BOTONES ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  text-align: center;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

/* Ripple effect */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.btn:hover::before { opacity: 1; }
.btn:active { transform: scale(0.98); }

.btn-primario {
  background: var(--accent);
  color: #FAF7F2;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.btn-primario:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
  color: #FAF7F2;
}

.btn-secundario {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-secundario:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-grande {
  padding: 16px 42px;
  font-size: 1.08rem;
  border-radius: var(--radius-md);
}

.btn-fantasma {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 0;
  font-family: 'Source Sans 3', sans-serif;
  transition: color 0.2s ease;
}

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


/* ── 8. CÓMO FUNCIONA ───────────────────────────────────── */
.como-funciona {
  background: var(--bg-secondary);
  position: relative;
}

.como-funciona::before {
  content: '';
  position: absolute;
  top: 0;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.como-funciona > .contenedor > p {
  color: var(--text-secondary);
  max-width: 550px;
}

.pasos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.paso {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.paso:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-light);
}

.paso-numero {
  font-family: 'DM Serif Display', serif;
  font-size: 2.8rem;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 14px;
  opacity: 0.65;
}

.paso h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.paso p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  max-width: none;
  margin-bottom: 0;
}

.paso:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -18px;
  top: 38px;
  font-size: 1.3rem;
  color: var(--accent-light);
  z-index: 1;
}


/* ── 9. SECCIÓN TRADUCTOR ───────────────────────────────── */
.traductor { padding: 72px 0; }

.traductor-cabecera { margin-bottom: 40px; }

.traductor-cabecera h2 { margin-bottom: 10px; }

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

.traductor-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: opacity 0.4s ease, transform 0.4s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.traductor-panel.saliendo {
  opacity: 0;
  transform: translateY(-20px) scale(0.98);
}

.traductor-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.traductor-tab {
  padding: 14px 28px;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2.5px solid transparent;
  transition: all 0.2s ease;
  font-family: 'Source Sans 3', sans-serif;
}

.traductor-tab:hover { color: var(--text-primary); }

.traductor-tab.activo {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: var(--bg-surface);
}

.traductor-cuerpo {
  padding: 32px;
  min-height: 300px;
}

/* Zona de texto */
.zona-texto {
  width: 100%;
  min-height: 220px;
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  resize: vertical;
  line-height: 1.65;
  transition: border-color 0.2s ease, background-color 0.3s ease;
}

.zona-texto:focus {
  outline: none;
  border-color: var(--accent);
  border-style: solid;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.zona-texto::placeholder { color: var(--text-muted); }

/* Zona subir archivo */
.zona-subir {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 52px 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  background: var(--bg-primary);
  position: relative;
}

.zona-subir:hover,
.zona-subir.drag-over {
  border-color: var(--accent);
  background: var(--bg-elevated);
  transform: scale(1.005);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.zona-subir-icono {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
  opacity: 0.55;
}

.zona-subir-texto {
  font-size: 1.02rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.zona-subir-formatos {
  font-size: 0.83rem;
  color: var(--text-muted);
}

.zona-subir input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}


/* ── 10. SELECTOR DE IDIOMAS + FLAGS CUSTOM ─────────────── */
.fila-opciones {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-top: 20px;
  flex-wrap: wrap;
}

.selector-idioma {
  display: flex;
  align-items: center;
  gap: 8px;
}

.selector-idioma label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
}

.selector-idioma select {
  padding: 8px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.93rem;
  color: var(--text-primary);
  background: var(--bg-surface);
  cursor: pointer;
  min-width: 155px;
  transition: border-color 0.2s ease, background-color 0.3s ease;
}

.selector-idioma select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.selector-idioma input[type="text"] {
  padding: 8px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.93rem;
  color: var(--text-primary);
  background: var(--bg-surface);
  min-width: 155px;
  transition: border-color 0.2s ease, background-color 0.3s ease;
}

.selector-idioma input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Custom flag dropdown */
.flag-select {
  position: relative;
  min-width: 155px;
}

.flag-select-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.93rem;
  color: var(--text-primary);
  width: 100%;
  text-align: left;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.flag-select-trigger:hover {
  border-color: var(--accent-light);
}

.flag-select.abierto .flag-select-trigger {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.flag-select-flag { font-size: 1.1rem; line-height: 1; }
.flag-select-name { flex: 1; }

.flag-select-chevron {
  width: 14px;
  height: 14px;
  opacity: 0.5;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.flag-select.abierto .flag-select-chevron { transform: rotate(180deg); }

.flag-select-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  min-width: 180px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 250;
  overflow: hidden;
  list-style: none;
  animation: dropdownEntra 0.16s ease forwards;
}

.flag-select.abierto .flag-select-dropdown { display: block; }

.flag-select-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  cursor: pointer;
  font-size: 0.9rem;
  font-family: 'Source Sans 3', sans-serif;
  color: var(--text-secondary);
  transition: background 0.12s ease, color 0.12s ease;
}

.flag-select-option:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.flag-select-option.activo {
  color: var(--accent);
  font-weight: 600;
  background: var(--bg-elevated);
}

.flag-select-option .fs-flag { font-size: 1.1rem; }

/* Caja de instrucciones */
.instrucciones-box {
  border: 1.5px dashed var(--border);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  width: 100%;
  box-sizing: border-box;
}

.instrucciones-box-header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.instrucciones-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.btn-instrucciones {
  font-size: 0.8rem;
  padding: 5px 12px;
  border: 1px solid var(--accent);
  background: none;
  border-radius: var(--radius-sm);
  color: var(--accent);
  cursor: pointer;
  font-family: 'Source Sans 3', sans-serif;
  transition: all 0.2s ease;
}

.btn-instrucciones:hover {
  background: var(--accent);
  color: var(--bg-primary);
}

.instrucciones-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 6px 0 0;
  line-height: 1.4;
}


/* ── 11. BARRA DE PROGRESO ──────────────────────────────── */
.progreso-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(6px);
}

.progreso-overlay.visible {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.progreso-overlay.animando-salida {
  animation: fadeOut 0.3s ease forwards;
}

.progreso-caja {
  background: var(--bg-surface);
  padding: 48px 56px;
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: entradaModal 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.progreso-caja h3 { margin-bottom: 28px; }

.progreso-barra-fondo {
  width: 100%;
  height: 5px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 16px;
}

.progreso-barra {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 50%, var(--accent) 100%);
  background-size: 200% 100%;
  width: 0%;
  border-radius: 99px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  animation: shimmer 2s linear infinite;
}

.progreso-etapa {
  font-size: 0.93rem;
  color: var(--text-secondary);
  min-height: 24px;
  transition: opacity 0.2s ease;
}

.progreso-etapa.cambiando { opacity: 0; }


/* ── 12. MODAL ──────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  z-index: 900;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(0px);
  transition: background 0.35s ease, backdrop-filter 0.35s ease;
}

.modal-overlay.visible {
  display: flex;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
}

.modal-overlay.animando-entrada { animation: fadeIn 0.35s ease forwards; }
.modal-overlay.animando-salida  { animation: fadeOut 0.25s ease forwards; }

.modal {
  background: var(--bg-surface);
  padding: 48px;
  max-width: 520px;
  width: 90%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: entradaModal 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  border: 1px solid var(--border-light);
}

.modal-overlay.animando-salida .modal {
  animation: none;
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.modal-cerrar {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  transition: color 0.2s ease;
}

.modal-cerrar:hover { color: var(--text-primary); }

.modal h2 { margin-bottom: 16px; font-size: 1.7rem; }

.modal p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.7;
}

.modal .btn { width: 100%; }


/* ── 13. VISTA DE REVISIÓN ──────────────────────────────── */
.vista-revision { display: none; }

.vista-revision.visible {
  display: block;
  animation: entradaSuave 0.6s ease forwards;
}

.revision-cabecera {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.revision-info h2 { margin-bottom: 8px; }

.revision-stats {
  display: flex;
  gap: 24px;
}

.revision-stat { text-align: center; }

.revision-stat-num {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
  animation: contadorEntra 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.revision-stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.revision-leyenda {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  flex-wrap: wrap;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.leyenda-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.leyenda-color {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
}

.leyenda-color.amarillo {
  background: var(--highlight);
  border: 1px solid var(--highlight-hover);
}

.leyenda-color.texto-normal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
}

.documento-revisado {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  line-height: 1.8;
  font-size: 1.05rem;
  position: relative;
  max-height: 600px;
  overflow-y: auto;
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
}

.documento-revisado p {
  margin-bottom: 16px;
  max-width: none;
}

/* Marcas de cambio */
.cambio-marcado {
  background: linear-gradient(to right, var(--highlight), var(--highlight)) no-repeat left center;
  background-size: 0% 100%;
  padding: 2px 5px;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.3s ease;
  position: relative;
  border-bottom: 2px solid transparent;
}

.cambio-marcado.revelado {
  background-size: 100% 100%;
  animation: resaltadoAparece 0.5s ease forwards;
  border-bottom-color: var(--accent-light);
}

.cambio-marcado.revelado.pulso-activo {
  animation: pulsoSuave 2s ease-in-out 1;
}

.cambio-marcado:hover {
  background: var(--highlight-hover);
  background-size: 100% 100%;
  box-shadow: 0 2px 10px rgba(212, 165, 116, 0.3);
}


/* ── 14. TOOLTIP ────────────────────────────────────────── */
.tooltip-cambio {
  display: none;
  position: fixed;
  background: #1A1A1A;
  color: #EDEAE5;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  max-width: 440px;
  width: max-content;
  z-index: 800;
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  line-height: 1.6;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  border: 1px solid #2A2A2A;
}

.tooltip-cambio.visible {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.tooltip-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.tooltip-seccion {
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-light);
  font-weight: 600;
  flex: 1;
}

.tooltip-lang-switch {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.tooltip-lang-btn {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #8A8580;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  line-height: 1.4;
}

.tooltip-lang-btn:hover {
  background: rgba(255,255,255,0.15);
  color: #EDEAE5;
}

.tooltip-lang-btn.activo {
  background: var(--accent);
  border-color: var(--accent);
  color: #FAF7F2;
}

.tooltip-bloque {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.tooltip-bloque:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.tooltip-etiqueta {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.tooltip-etiqueta.original   { color: #E88B7A; }
.tooltip-etiqueta.traduccion  { color: #7AB8E8; }
.tooltip-etiqueta.razon       { color: #8BD48B; }

.tooltip-texto {
  font-size: 0.88rem;
  line-height: 1.55;
}


/* ── 15. LISTA DE ESPERA (reservado para uso futuro) ────── */
/*
.lista-espera { ... }
.formulario-espera { ... }
.espera-exito { ... }
.espera-nota { ... }
*/


/* ── 15. CONTACTO ───────────────────────────────────────── */
@keyframes contactoGlow {
  0%, 100% { opacity: 0.35; transform: scale(1); }
  50%       { opacity: 0.55; transform: scale(1.08); }
}

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

.seccion-contacto {
  position: relative;
  overflow: hidden;
  background: #0b0a09;
  color: var(--bg-primary);
  padding: 112px 0;
  text-align: center;
}

[data-theme="light"] .seccion-contacto {
  background: #111009;
}

.contacto-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 640px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(212, 165, 116, 0.18) 0%, transparent 70%);
  pointer-events: none;
  animation: contactoGlow 5s ease-in-out infinite;
}

.contacto-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.contacto-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-light);
  border: 1px solid rgba(212, 165, 116, 0.35);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 24px;
}

.contacto-titulo {
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: #faf7f2;
  margin-bottom: 18px;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.contacto-desc {
  color: rgba(250, 247, 242, 0.5);
  max-width: 440px;
  margin: 0 auto 48px;
  font-size: 1rem;
  line-height: 1.65;
}

.contacto-email-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #faf7f2;
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  position: relative;
  padding-bottom: 6px;
  transition: color 0.25s ease;
  margin-bottom: 28px;
}

.contacto-email-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1.5px;
  width: 0;
  background: var(--accent-light);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contacto-email-link:hover {
  color: var(--accent-light);
}

.contacto-email-link:hover::after {
  width: 100%;
}

.contacto-email-flecha {
  width: 22px;
  height: 22px;
  opacity: 0.6;
  flex-shrink: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.contacto-email-link:hover .contacto-email-flecha {
  transform: translateX(5px);
  opacity: 1;
}

.contacto-nota {
  font-size: 0.82rem;
  color: rgba(250, 247, 242, 0.28) !important;
  margin: 0;
  letter-spacing: 0.02em;
}

@media (max-width: 640px) {
  .seccion-contacto { padding: 80px 0; }
  .contacto-glow { width: 360px; height: 220px; }
  .contacto-email-link { font-size: 1.15rem; }
}


/* ── 16. FOOTER ─────────────────────────────────────────── */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border-light);
  text-align: center;
  background: var(--bg-primary);
}

.footer p {
  font-size: 0.84rem;
  color: var(--text-muted);
  max-width: none;
  margin: 0 auto;
}

.footer a { color: var(--text-muted); }


/* ── 17. SECCIÓN CONSEJOS ───────────────────────────────── */
.consejos-seccion {
  margin-top: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--accent-light);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
}

.consejos-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.consejos-titulo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.consejos-icono-titulo { font-size: 1.2rem; }

.consejos-titulo h3 {
  font-size: 1.1rem;
  margin: 0;
  color: var(--text-primary);
}

.consejos-lang-switch { display: flex; gap: 6px; }

.consejos-lang-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.consejos-lang-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.consejos-lang-btn.activo {
  background: var(--accent);
  border-color: var(--accent);
  color: #FAF7F2;
}

.consejos-descripcion {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-style: italic;
  max-width: none;
}

.consejos-lista {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.consejo-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-primary);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.consejo-item:hover {
  transform: translateX(3px);
  box-shadow: var(--shadow-sm);
}

.consejo-icono {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.consejo-texto { flex: 1; }


/* ── 18. BOTONES DE DESCARGA Y REVISIÓN ─────────────────── */
.revision-acciones {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.descarga-btns { display: flex; gap: 8px; }

.btn-descarga {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.93rem;
  font-weight: 600;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-descarga:hover {
  background: var(--bg-secondary);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.descarga-icono { font-size: 1rem; }


/* ── 19. ARCHIVO SIMULADO ───────────────────────────────── */
.archivo-simulado {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-top: 12px;
  animation: archivoCae 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.archivo-icono { font-size: 1.8rem; opacity: 0.7; }
.archivo-info  { flex: 1; }
.archivo-nombre { font-weight: 600; font-size: 0.93rem; }
.archivo-meta   { font-size: 0.8rem; color: var(--text-secondary); }

.archivo-quitar {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 4px;
  transition: color 0.2s ease;
}

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

/* Sidebar de archivos */
#archivosSidebar > div {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-primary) !important;
}

/* Banner de error idioma */
#bannerIdiomaError {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--accent-light) !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-primary) !important;
}

[data-theme="dark"] #bannerIdiomaError {
  background: #2A1E0A !important;
  border-color: #5A3E1A !important;
}


/* ── 20. ANIMACIONES ────────────────────────────────────── */
@keyframes entradaSuave {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes entradaIzquierda {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes entradaDerecha {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes entradaModal {
  from { opacity: 0; transform: scale(0.92) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }

@keyframes resaltadoAparece {
  from { background-size: 0% 100%; }
  to   { background-size: 100% 100%; }
}

@keyframes pulsoSuave {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212,165,116,0); }
  50%       { box-shadow: 0 0 0 5px rgba(212,165,116,0.25); }
}

@keyframes archivoCae {
  0%   { opacity: 0; transform: translateY(-30px) scale(0.96); }
  60%  { opacity: 1; transform: translateY(3px) scale(1.01); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes contadorEntra {
  from { opacity: 0; transform: scale(0.3); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

@keyframes dropdownEntra {
  from { opacity: 0; transform: translateY(-8px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Scroll-reveal */
.revelar {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.revelar.visible        { opacity: 1; transform: translateY(0); }

.revelar-izq {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.revelar-izq.visible    { opacity: 1; transform: translateX(0); }

.revelar-der {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.revelar-der.visible    { opacity: 1; transform: translateX(0); }

/* Delays escalonados para los pasos */
.paso.revelar                   { transition-delay: 0s; }
.paso.revelar:nth-child(2)      { transition-delay: 0.1s; }
.paso.revelar:nth-child(3)      { transition-delay: 0.2s; }
.paso.revelar:nth-child(4)      { transition-delay: 0.3s; }


/* ── 21. UTILIDADES ─────────────────────────────────────── */
.oculto         { display: none !important; }
.texto-centro   { text-align: center; }
.mt-sm          { margin-top: 8px; }
.mt-md          { margin-top: 16px; }
.mt-lg          { margin-top: 24px; }
.mt-xl          { margin-top: 32px; }
.mb-md          { margin-bottom: 16px; }
.mb-lg          { margin-bottom: 24px; }


/* ── 22. RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 900px) {
  h1 { font-size: 2.2rem; }

  .hero-deco { display: none; }

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

  .paso:not(:last-child)::after { display: none; }
}

@media (max-width: 600px) {
  h1 { font-size: 1.85rem; letter-spacing: -0.5px; }
  h2 { font-size: 1.5rem; }

  .seccion { padding: 52px 0; }

  /* Nav móvil */
  .nav {
    flex-wrap: nowrap;
    padding: 14px 16px;
    gap: 10px;
  }

  .nav-enlaces {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    box-shadow: var(--shadow-md);
    z-index: 150;
  }

  [data-theme="dark"] .nav-enlaces {
    background: var(--bg-secondary);
  }

  .nav-enlaces.abierto { display: flex; }

  .nav-enlaces li { width: 100%; }

  .nav-enlaces a {
    display: block;
    padding: 10px 4px;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-light);
  }

  .nav-enlaces a:last-child { border-bottom: none; }

  .nav-cta {
    margin-top: 4px;
    width: 100%;
    text-align: center !important;
    padding: 12px 18px !important;
  }

  .nav-hamburger { display: flex; }

  .lang-picker-btn .lang-name { display: none; }

  /* Hero móvil */
  .hero { padding: 56px 0 40px; }

  .hero-acciones {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-acciones .btn { text-align: center; }

  .hero-nota { display: none; }

  /* Pasos — 1 columna en móvil */
  .pasos-grid { grid-template-columns: 1fr; gap: 14px; }

  .paso { padding: 20px 18px; }
  .paso-numero { font-size: 2rem; margin-bottom: 8px; }

  /* Traductor */
  .traductor-cuerpo { padding: 20px 16px; }

  .traductor-tab { padding: 12px 16px; font-size: 0.85rem; }

  .fila-opciones { flex-direction: column; align-items: stretch; }

  .selector-idioma { flex-direction: column; align-items: flex-start; }

  .selector-idioma select,
  .flag-select { min-width: 0; width: 100%; }

  .documento-revisado { padding: 20px; }

  .modal { padding: 28px 20px; }

  .revision-stats { gap: 14px; }

  .revision-acciones { flex-direction: column; align-items: stretch; }

  .descarga-btns { flex-direction: column; }

  /* .formulario-espera { flex-direction: column; } */

  /* Ocultar sidebar de archivos en móvil */
  #archivosSidebar { display: none !important; }

  /* Tooltip más pequeño */
  .tooltip-cambio { max-width: calc(100vw - 32px); font-size: 0.84rem; }

  /* Progreso */
  .progreso-caja { padding: 32px 24px; }

  .logo-img { height: 28px; }
}
