/* DESIGN.md: swiss-international + brand override */
:root {
  --color-bg: #fbf3e3;
  --color-bg-alt: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #4a4a4a;
  --color-accent: #19a255;
  --color-secondary: #69488f;
  --color-border: #e0d5c4;
  --color-border-strong: #69488f;
  --space-unit: 8px;
  --font-display: 'Asap Condensed', sans-serif;
  --font-body: 'Asap', sans-serif;
  --grid-columns: 12;
  --max-width: 1280px;
  --nav-height: 72px;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 calc(var(--space-unit) * 2);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); color: var(--color-secondary); }
h3 { font-size: 1.25rem; color: var(--color-secondary); }

p { margin: 0 0 calc(var(--space-unit) * 2); }

a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--color-secondary); }

img { max-width: 100%; display: block; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-secondary);
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
}
.skip-link:focus { left: 16px; }

/* Grid shell */
.container {
  width: min(var(--max-width), 100% - 48px);
  margin-inline: auto;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: calc(var(--space-unit) * 3);
}

.col-5 { grid-column: span 5; }
.col-7 { grid-column: span 7; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-4 { grid-column: span 4; }
.col-12 { grid-column: span 12; }

@media (max-width: 900px) {
  .col-5, .col-7, .col-6, .col-8, .col-4 { grid-column: span 12; }
}

/* Nav */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--color-bg-alt);
  border-bottom: 2px solid var(--color-secondary);
}

.nav-inner {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-nav .container {
  height: 100%;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-secondary);
  text-decoration: none;
  display: inline-flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-logo {
  font-size: 2.25rem;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--color-secondary);
  flex-shrink: 0;
}

.brand-full {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-accent);
  padding-left: 12px;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links::-webkit-scrollbar { display: none; }

.nav-links a {
  display: block;
  padding: 8px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: border-color var(--transition), color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.menu-toggle {
  display: none;
  background: var(--color-bg-alt);
  border: 2px solid var(--color-secondary);
  padding: 10px 14px;
  min-height: 44px;
  min-width: 44px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-secondary);
  cursor: pointer;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .menu-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg-alt);
    border-bottom: 2px solid var(--color-secondary);
    padding: 8px 0 12px;
    box-shadow: 0 8px 24px rgba(105, 72, 143, 0.12);
    max-height: calc(100dvh - var(--nav-height));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nav-links.open { display: flex; }

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

  .nav-links a {
    padding: 14px 20px;
    font-size: 1rem;
    border-bottom: none;
    border-left: 3px solid transparent;
    min-height: 48px;
    display: flex;
    align-items: center;
  }

  .nav-links a:hover,
  .nav-links a.active {
    border-left-color: var(--color-accent);
    background: rgba(25, 162, 85, 0.06);
  }

  body.nav-open { overflow: hidden; }
}

/* Hero — asymmetric split */
.hero {
  padding: calc(var(--space-unit) * 10) 0 calc(var(--space-unit) * 8);
  border-bottom: 1px solid var(--color-border);
}

.hero-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: 4px 12px;
  margin-bottom: calc(var(--space-unit) * 3);
}

.hero-lead {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 42ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: calc(var(--space-unit) * 4);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  min-height: 48px;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-primary:hover { background: #148a47; color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}
.btn-outline:hover { background: var(--color-secondary); color: #fff; }

/* Stats strip */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  margin-top: calc(var(--space-unit) * 5);
}

.stat-item {
  background: var(--color-bg-alt);
  padding: calc(var(--space-unit) * 3);
  text-align: left;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
}

.stat-value .unit { font-size: 1.25rem; }

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.stat-source {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  opacity: 0.8;
  margin-top: 4px;
}

/* Sections */
section {
  padding: calc(var(--space-unit) * 10) 0;
  border-bottom: 1px solid var(--color-border);
}

.section-intro {
  max-width: 56ch;
  color: var(--color-text-muted);
  margin-bottom: calc(var(--space-unit) * 5);
}

.section-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: calc(var(--space-unit) * 1);
}

/* Cards grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: calc(var(--space-unit) * 2);
}

.card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: calc(var(--space-unit) * 3);
  cursor: default;
  transition: border-color var(--transition), transform var(--transition);
}

.card.interactive {
  cursor: pointer;
}

.card.interactive:hover,
.card.interactive:focus-within,
.card.interactive.is-active {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: calc(var(--space-unit) * 2);
}

.card h3 { margin-bottom: calc(var(--space-unit) * 1); }

.card-detail {
  display: none;
  margin-top: calc(var(--space-unit) * 2);
  padding-top: calc(var(--space-unit) * 2);
  border-top: 1px solid var(--color-border);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.card.is-active .card-detail { display: block; }

/* Tabs */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: calc(var(--space-unit) * 3);
  border-bottom: 2px solid var(--color-border);
}

.tab-btn {
  padding: 12px 16px;
  min-height: 48px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: color var(--transition), border-color var(--transition);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  flex-shrink: 0;
}

.tabs-scroll {
  overflow-x: auto;
  flex-wrap: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.tabs-scroll::-webkit-scrollbar { display: none; }

.tab-btn:hover { color: var(--color-text); }
.tab-btn.active {
  color: var(--color-secondary);
  border-bottom-color: var(--color-accent);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn var(--transition); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Brecha visual */
.brecha-viz {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: calc(var(--space-unit) * 4);
}

.bar-row {
  margin-bottom: calc(var(--space-unit) * 3);
}

.bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-bottom: 6px;
}

.bar-track {
  height: 32px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--color-accent);
  width: 0;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.bar-fill.secondary { background: var(--color-secondary); }

.brecha-gap {
  margin-top: calc(var(--space-unit) * 3);
  padding: calc(var(--space-unit) * 2);
  background: var(--color-bg);
  border-left: 4px solid var(--color-accent);
  font-size: 0.9375rem;
}

/* Pipeline algoritmos */
.pipeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pipeline-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: calc(var(--space-unit) * 2);
  padding: calc(var(--space-unit) * 2) 0;
  border-left: 2px solid var(--color-border);
  margin-left: 23px;
  padding-left: calc(var(--space-unit) * 3);
  opacity: 0.45;
  transition: opacity var(--transition);
}

.pipeline-step.is-visible { opacity: 1; }

.pipeline-step:last-child { border-left-color: transparent; }

.step-num {
  width: 48px;
  height: 48px;
  margin-left: -48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  border: 3px solid var(--color-bg);
  flex-shrink: 0;
}

/* Quiz */
.quiz-box {
  background: var(--color-bg-alt);
  border: 2px solid var(--color-secondary);
  padding: calc(var(--space-unit) * 4);
}

.quiz-progress {
  height: 4px;
  background: var(--color-border);
  margin-bottom: calc(var(--space-unit) * 3);
}

.quiz-progress-fill {
  height: 100%;
  background: var(--color-accent);
  width: 0;
  transition: width var(--transition);
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: calc(var(--space-unit) * 3) 0;
}

.quiz-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 16px 18px;
  min-height: 52px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.45;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.quiz-option:hover { border-color: var(--color-accent); }
.quiz-option.selected { border-color: var(--color-accent); background: rgba(25, 162, 85, 0.08); }

.quiz-result {
  display: none;
  padding: calc(var(--space-unit) * 3);
  background: var(--color-bg);
  border-left: 4px solid var(--color-accent);
}

.quiz-result.visible { display: block; }

/* Accordion */
.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: calc(var(--space-unit) * 2) 0;
  min-height: 48px;
  background: none;
  border: none;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  text-align: left;
  color: var(--color-secondary);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.accordion-trigger::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.accordion-item.open .accordion-trigger::after {
  transform: rotate(45deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-panel-inner {
  padding-bottom: calc(var(--space-unit) * 3);
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.accordion-item.open .accordion-panel {
  max-height: 1200px;
}

/* Programs filter */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: calc(var(--space-unit) * 3);
}

.filter-chip {
  padding: 10px 16px;
  min-height: 44px;
  font-size: 0.8125rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.filter-chip.active,
.filter-chip:hover {
  background: var(--color-secondary);
  color: #fff;
  border-color: var(--color-secondary);
}

.program-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: calc(var(--space-unit) * 3);
}

.program-card[data-hidden="true"] { display: none; }

.program-card-featured {
  grid-column: 1 / -1;
  border-color: var(--color-accent);
  border-width: 2px;
  background: var(--color-bg);
}

.program-card h3 a {
  color: var(--color-secondary);
  text-decoration: none;
}
.program-card h3 a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.program-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  background: var(--color-accent);
  color: #fff;
  margin-bottom: 8px;
}

/* Checklist municipal */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: calc(var(--space-unit) * 2) 0;
  border-bottom: 1px solid var(--color-border);
}

.checklist input[type="checkbox"] {
  width: 24px;
  height: 24px;
  accent-color: var(--color-accent);
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
}

.checklist label {
  cursor: pointer;
  font-size: 0.9375rem;
}

.checklist label.done {
  text-decoration: line-through;
  color: var(--color-text-muted);
}

/* Pull quote */
.pull-quote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.35;
  color: var(--color-secondary);
  border-left: 4px solid var(--color-accent);
  padding-left: calc(var(--space-unit) * 3);
  margin: calc(var(--space-unit) * 4) 0;
}

/* Footer */
.site-footer {
  padding: calc(var(--space-unit) * 6) 0;
  background: var(--color-secondary);
  color: var(--color-bg);
}

.site-footer a { color: #fff; }
.site-footer p { font-size: 0.875rem; opacity: 0.9; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: calc(var(--space-unit) * 4);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand-row {
  display: inline-flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 12px;
  margin-bottom: calc(var(--space-unit) * 2);
  white-space: nowrap;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--color-bg);
  flex-shrink: 0;
}

.footer-sub {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
  opacity: 0.9;
  border-left: 2px solid var(--color-accent);
  padding-left: 12px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.text-muted { color: var(--color-text-muted); }
.mt-4 { margin-top: calc(var(--space-unit) * 4); }

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

/* ── Mobile ── */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .container {
    width: min(var(--max-width), 100% - 32px);
  }

  body {
    font-size: 1rem;
  }

  h1 { font-size: clamp(1.85rem, 8vw, 2.5rem); }
  h2 { font-size: clamp(1.5rem, 5.5vw, 1.85rem); }
  h3 { font-size: 1.125rem; }

  .hero {
    padding: calc(var(--space-unit) * 5) 0 calc(var(--space-unit) * 6);
  }

  .hero-lead {
    font-size: 1.0625rem;
    max-width: none;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

  .stats-strip {
    margin-top: calc(var(--space-unit) * 4);
  }

  .stat-item {
    padding: calc(var(--space-unit) * 2);
  }

  .stat-value {
    font-size: 2rem;
  }

  .stat-value .unit { font-size: 1rem; }

  .stat-label {
    font-size: 0.8125rem;
    line-height: 1.4;
  }

  .stat-source {
    font-size: 0.6875rem;
  }

  section {
    padding: calc(var(--space-unit) * 6) 0;
  }

  .section-intro {
    max-width: none;
    margin-bottom: calc(var(--space-unit) * 4);
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .card.interactive:active {
    border-color: var(--color-accent);
  }

  @media (hover: none) {
    .card.interactive:hover {
      transform: none;
    }
  }

  .brecha-viz {
    padding: calc(var(--space-unit) * 3);
  }

  .bar-label {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    font-size: 0.8125rem;
  }

  .pull-quote {
    font-size: 1.2rem;
    padding-left: calc(var(--space-unit) * 2);
  }

  .pipeline-step {
    grid-template-columns: 40px 1fr;
    margin-left: 19px;
    padding-left: calc(var(--space-unit) * 2);
  }

  .step-num {
    width: 40px;
    height: 40px;
    margin-left: -40px;
    font-size: 1rem;
  }

  .quiz-box {
    padding: calc(var(--space-unit) * 3);
  }

  .site-footer {
    padding: calc(var(--space-unit) * 5) 0;
  }

  .site-footer p {
    font-size: 0.8125rem;
    line-height: 1.55;
  }

  .footer-grid {
    gap: calc(var(--space-unit) * 3);
  }

  .brand {
    gap: 8px;
  }

  .brand-logo {
    font-size: 1.75rem;
  }

  .brand-full {
    font-size: 0.625rem;
    padding-left: 8px;
  }

  .footer-brand-row {
    flex-wrap: wrap;
    white-space: normal;
  }

  .footer-sub {
    white-space: normal;
  }
}

@media (max-width: 380px) {
  .stats-strip {
    grid-template-columns: 1fr;
  }

  .stat-value {
    font-size: 1.75rem;
  }
}

/* ════════════════════════════════════════════════════════════
   Simuladores de práctica (Motor de Escenarios) — Swiss tokens
   ════════════════════════════════════════════════════════════ */

.btn-ghost {
  background: transparent;
  color: var(--color-secondary);
  border-color: transparent;
}
.btn-ghost:hover { background: rgba(105, 72, 143, 0.08); color: var(--color-secondary); }

.sim {
  display: block;
  background: var(--color-bg-alt);
  border: 2px solid var(--color-secondary);
  padding: calc(var(--space-unit) * 4);
  margin-top: calc(var(--space-unit) * 3);
}

.sim-head { margin-bottom: calc(var(--space-unit) * 2); }

.sim-kicker {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 calc(var(--space-unit) * 1);
}

.sim-dur { color: var(--color-text-muted); letter-spacing: 0.04em; }

.sim-title { margin: 0 0 calc(var(--space-unit) * 1); }

.sim-intro {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin: 0 0 calc(var(--space-unit) * 2);
}

.sim-chips { display: flex; flex-wrap: wrap; gap: 6px; }

.sim-chip {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-bg);
}

.sim-chip-level { color: #fff; background: var(--color-secondary); border-color: var(--color-secondary); }

.sim-done-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px 3px 22px;
  background: var(--color-accent);
  color: #fff;
  position: relative;
}
.sim-done-badge::before {
  content: '✓';
  position: absolute;
  left: 7px;
  font-weight: 700;
}

.sim-progress {
  height: 4px;
  background: var(--color-border);
  margin: calc(var(--space-unit) * 2) 0 calc(var(--space-unit) * 1);
}
.sim-progress-fill {
  height: 100%;
  background: var(--color-accent);
  width: 0;
  transition: width var(--transition);
}

.sim-stepinfo {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: calc(var(--space-unit) * 1);
}

.sim-step-title {
  font-size: 1.125rem;
  margin: 0 0 calc(var(--space-unit) * 2);
}
.sim-step-title:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

.sim-stage { min-height: 180px; }

.sim-body > * + * { margin-top: calc(var(--space-unit) * 2); }
.sim-body p { margin: 0; }

.sim-list { margin: 0; padding-left: 1.25em; }
.sim-list li { margin-bottom: calc(var(--space-unit) * 1); }

.sim-prompt { font-size: 1.0625rem; white-space: pre-line; }
.sim-note { font-size: 0.875rem; color: var(--color-text-muted); }
.sim-subhead {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-secondary);
  font-size: 1rem;
  margin-bottom: calc(var(--space-unit) * 1);
}

/* Acciones (Volver / Continuar) */
.sim-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: calc(var(--space-unit) * 3);
  padding-top: calc(var(--space-unit) * 2);
  border-top: 1px solid var(--color-border);
}
.sim-actions .sim-continue { margin-left: auto; }

.sim-continue[disabled],
.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Opciones (choice / multi) */
.sim-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sim-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  min-height: 52px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.sim-option:hover { border-color: var(--color-accent); }
.sim-option.is-selected { border-color: var(--color-secondary); background: rgba(105, 72, 143, 0.06); }
.sim-option.is-correct {
  border-color: var(--color-accent);
  border-width: 2px;
  background: rgba(25, 162, 85, 0.10);
}
.sim-option.is-wrong {
  border-color: var(--color-secondary);
  border-width: 2px;
  background: rgba(105, 72, 143, 0.10);
}
.sim-option.is-missed {
  border-color: var(--color-accent);
  border-style: dashed;
}
.sim-option.is-correct::after { content: '  ✓'; color: var(--color-accent); font-weight: 700; }
.sim-option.is-wrong::after { content: '  ✗'; color: var(--color-secondary); font-weight: 700; }

.sim-check { margin-top: calc(var(--space-unit) * 2); }

/* Feedback */
.sim-feedback {
  padding: calc(var(--space-unit) * 2);
  background: var(--color-bg);
  border-left: 4px solid var(--color-accent);
  font-size: 0.9375rem;
}
.sim-feedback > * + * { margin-top: calc(var(--space-unit) * 1); }
.sim-feedback.is-ok { border-left-color: var(--color-accent); background: rgba(25, 162, 85, 0.07); }
.sim-feedback.is-warn { border-left-color: var(--color-secondary); background: rgba(105, 72, 143, 0.07); }
.sim-feedback.is-info { border-left-color: var(--color-secondary); background: var(--color-bg); }
.sim-feedback-head {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-secondary);
}
.sim-feedback.is-ok .sim-feedback-head { color: var(--color-accent); }

/* Formularios simulados */
.sim-form { display: flex; flex-direction: column; gap: calc(var(--space-unit) * 2); }
.sim-field { display: flex; flex-direction: column; gap: 4px; }
.sim-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-secondary);
}
.sim-control {
  width: 100%;
  padding: 12px 14px;
  min-height: 48px;
  font-family: var(--font-body);
  font-size: 1rem; /* ≥16px evita el zoom en iOS */
  line-height: 1.4;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}
.sim-control:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(25, 162, 85, 0.25);
}
textarea.sim-control { resize: vertical; min-height: 72px; }
.sim-field-error {
  font-size: 0.8125rem;
  color: var(--color-secondary);
  font-weight: 600;
  margin: 0;
}

/* Adjuntos simulados */
.sim-attach { display: flex; flex-direction: column; gap: 8px; }
.sim-attach-toggle { align-self: flex-start; }
.sim-attach-picker {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: calc(var(--space-unit) * 1);
  border: 1px dashed var(--color-border-strong);
  background: var(--color-bg);
}
.sim-attach-opt {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  text-align: left;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  cursor: pointer;
  touch-action: manipulation;
}
.sim-attach-opt:hover { border-color: var(--color-accent); }
.sim-attach-kind {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.sim-attach-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.sim-file-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px 6px 12px;
  background: rgba(25, 162, 85, 0.10);
  border: 1px solid var(--color-accent);
  font-size: 0.875rem;
  max-width: 100%;
}
.sim-file-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sim-file-remove {
  min-height: 44px;
  min-width: 44px;
  padding: 4px 10px;
  background: transparent;
  border: none;
  color: var(--color-secondary);
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
}
.sim-file-remove:hover { text-decoration: underline; }

/* Feed simulado */
.sim-feed { display: flex; flex-direction: column; gap: 8px; }
.sim-feed-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  width: 100%;
  min-height: 64px;
  padding: 12px 16px;
  text-align: left;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: border-color var(--transition), opacity var(--transition);
  touch-action: manipulation;
}
.sim-feed-item:hover { border-color: var(--color-accent); }
.sim-feed-item.is-tapped { opacity: 0.55; border-color: var(--color-accent); }
.sim-feed-item.is-tapped::after { content: '  ✓ lo viste'; color: var(--color-accent); font-size: 0.75rem; font-weight: 700; }
.sim-feed-tag {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-secondary);
}
.sim-feed-label { font-size: 0.9375rem; color: var(--color-text); }
.sim-feed-note { min-height: 1.2em; }

/* Lista de resultados */
.sim-check-list { list-style: none; margin: 0; padding: 0; }
.sim-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: calc(var(--space-unit) * 1) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}
.sim-check:last-child { border-bottom: none; }
.sim-check-mark {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
}
.sim-check.ok .sim-check-mark { background: var(--color-accent); }
.sim-check.no .sim-check-mark { background: var(--color-secondary); }

/* Próximos pasos / enlaces */
.sim-next-list { display: flex; flex-wrap: wrap; gap: 8px; }
.sim-next-list .btn { flex: 1 1 auto; }

/* Pantalla final */
.sim-complete { text-align: left; }
.sim-complete-mark {
  font-size: 2.5rem;
  line-height: 1;
  color: var(--color-accent);
  font-weight: 700;
  margin: 0;
}

/* Sección "Practicar" introductoria */
.practice-flag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-accent);
  padding: 3px 10px;
  margin-bottom: calc(var(--space-unit) * 1);
}

@media (max-width: 768px) {
  .sim { padding: calc(var(--space-unit) * 3); }
  .sim-actions { gap: 10px; }
  .sim-actions .btn,
  .sim-actions .sim-continue { width: 100%; }
  .sim-actions .sim-continue { margin-left: 0; }
  .sim-next-list .btn { width: 100%; flex: 1 1 100%; }
  .sim-stage { min-height: 0; }
}