/* ═══════════════════════════════════════════════════════════════════
   COR.HOMES Configurador v2 — Estilo editorial premium
   Mobile-first · Inspirado en arquitectura boutique & Apple
   ═══════════════════════════════════════════════════════════════════ */

/* ── Custom Properties ─────────────────────────────────── */
:root {
  --mint: #3F5F4A;
  --mint-light: #5A7A6A;
  --mint-dark: #2F4F3A;
  --crema: #F5F2ED;
  --crema-warm: #EDE7DE;
  --crema-dark: #E5DDD2;
  --texto: #1F2721;
  --texto-suave: #5C665C;
  --texto-muted: #8A938A;
  --white: #FFFFFF;
  --white-roto: #FBF9F5;
  --border: rgba(31, 39, 33, 0.08);
  --border-active: rgba(63, 95, 74, 0.25);
  --shadow-sm: 0 1px 3px rgba(31, 39, 33, 0.04);
  --shadow-md: 0 4px 16px rgba(31, 39, 33, 0.06);
  --shadow-lg: 0 8px 32px rgba(31, 39, 33, 0.08);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --side-w: 300px;
  --header-h: 64px;
  --progress-h: 4px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; max-width: 100%; }
body { font-family: var(--sans); background: var(--crema); color: var(--texto); line-height: 1.6; min-height: 100dvh; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
button { cursor: pointer; font-family: inherit; }

/* ── Layout: App shell ────────────────────────────────── */
.app {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* ── Sidebar (desktop) ────────────────────────────────── */
.sidebar {
  display: none;
  width: 360px;
  min-width: 360px;
  max-width: 360px;
  flex-shrink: 0;
  background: var(--mint);
  color: var(--white);
  flex-direction: column;
  padding: 0 24px 24px;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
}
/* ── Brand link ── */
.brand-link {
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
  transition: opacity 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}
.brand-link:hover {
  opacity: 0.92;
}

/* ── Branding (sidebar) ── */
.brand-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding-left: 34px;
  padding-top: 42px;
  padding-bottom: 28px;
}
.brand-isotype {
  width: 42px;
  height: auto;
  opacity: 0.92;
  margin-bottom: 10px;
}

.logo-wrapper {
  background: transparent;
}

.logo-wrapper img {
  width: 180px;
  height: auto;
  object-fit: contain;
}
.brand-name {
  font-family: 'Prata', serif;
  font-size: 38px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: #F5F2ED;
  white-space: nowrap;
}
.brand-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(245,242,237,0.82);
  opacity: 0.82;
  margin-top: 12px;
}
.sidebar-steps { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.sidebar-step:hover { background: rgba(255, 255, 255, 0.08); color: rgba(255, 255, 255, 0.85); }
.sidebar-step.active { background: rgba(255, 255, 255, 0.15); color: var(--white); font-weight: 500; }
.sidebar-step.completed { color: rgba(255, 255, 255, 0.85); }
.sidebar-step-icon { font-family: var(--serif); font-size: 16px; width: 28px; text-align: center; flex-shrink: 0; opacity: 0.7; }
.sidebar-step.active .sidebar-step-icon { opacity: 1; }
.sidebar-step-check { margin-left: auto; font-size: 12px; opacity: 0; transition: opacity var(--transition); }
.sidebar-step.completed .sidebar-step-check { opacity: 1; }
.sidebar-footer { margin-top: auto; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.1); }
.sidebar-whatsapp {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
  text-decoration: none;
  transition: color var(--transition);
}
.sidebar-whatsapp:hover { color: var(--white); }

/* ── Header mobile ────────────────────────────────────── */
.header-mobile {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: var(--crema);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-brand {
  font-family: 'Prata', serif;
  font-size: 16px;
  letter-spacing: 0.05em;
  color: var(--texto);
  white-space: nowrap;
  flex-shrink: 0;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 0.2s ease;
}
.header-brand:hover {
  opacity: 0.85;
}
.header-progress-wrap { flex: 1; display: flex; align-items: center; gap: 10px; }
.header-progress-bar {
  flex: 1;
  height: var(--progress-h);
  border-radius: 2px;
  background: var(--crema-dark);
  overflow: hidden;
}
.header-progress-fill {
  height: 100%;
  background: var(--mint);
  border-radius: 2px;
  transition: width var(--transition);
}
.header-step-indicator {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--texto-suave);
  white-space: nowrap;
}

/* ── Main content area ────────────────────────────────── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* ── Visual zone (render / image) ─────────────────────── */
.visual-zone {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 16px 8px;
  position: relative;
  min-height: 38dvh;
  background: var(--crema);
}
.visual-img-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-height: 42dvh;
}
.visual-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 8px 32px rgba(31, 39, 33, 0.08));
  transition: opacity 0.4s ease;
}
.visual-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--texto-muted);
  font-family: var(--serif);
  font-size: 1.25rem;
  font-style: italic;
}
.visual-placeholder svg { opacity: 0.3; }

/* ── Editorial text ───────────────────────────────────── */
.editorial-text {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--texto-suave);
  text-align: center;
  padding: 8px 16px 0;
  opacity: 0.8;
}

/* ── Info bar (modelo seleccionado) ───────────────────── */
.info-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 8px 16px 0;
  flex-wrap: wrap;
}
.info-name {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--texto);
}
.info-stat {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--texto-suave);
  display: flex;
  align-items: center;
  gap: 4px;
}
.info-stat-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint);
}

/* ── Selector zone ────────────────────────────────────── */
.selector-zone {
  padding: 16px 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--white-roto);
}
.selector-title {
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1.15;
  color: var(--texto);
  margin-bottom: 18px;
  text-align: center;
  max-width: 100%;
  padding: 0 16px;
  word-break: normal;
  overflow-wrap: break-word;
}

/* ── Chips (modelo filters: plantas, habitaciones) ────── */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
  justify-content: center;
  overflow: visible;
  max-width: 100%;
  width: 100%;
}
.chip {
  padding: 8px 18px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: var(--white);
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--texto-suave);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  min-height: 42px;
  white-space: nowrap;
  flex: 0 0 auto;
  min-width: 100px;
  text-align: center;
  overflow: visible;
}
.chip:hover { border-color: var(--mint-light); color: var(--mint); }
.chip.selected {
  border-color: var(--mint);
  background: var(--mint);
  color: var(--white);
}

/* Mobile: chips with section labels (visual only, scroll control at end of file) */
@media (max-width: 768px) {
  /* Section labels for chip-groups in Modelo step */
  .chip-group::before {
    display: none;
  }
  .selector-zone > .chip-group:nth-of-type(1)::before {
    content: 'PLANTAS';
    display: block;
    flex: 0 0 auto;
    font-family: var(--sans);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--texto-muted);
    text-align: center;
    align-self: center;
    padding: 0 4px;
  }
  /* Second chip-group → HABITACIONES */
  .selector-zone > .chip-group:nth-of-type(2)::before {
    content: 'HABITACIONES';
    display: block;
    flex: 0 0 auto;
    font-family: var(--sans);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--texto-muted);
    text-align: center;
    align-self: center;
    padding: 0 4px;
    margin-top: 0;
  }
}

/* ── Option cards grid ────────────────────────────────── */
.option-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-height: 380px;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 4px;
  width: 100%;
  max-width: 100%;
}
.option-grid::-webkit-scrollbar { width: 4px; }
.option-grid::-webkit-scrollbar-thumb { background: var(--crema-dark); border-radius: 2px; }

.option-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
  min-width: 0;
  min-height: 250px;
  overflow: visible;
}
.option-card:hover { border-color: var(--border-active); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.option-card.selected { border-color: var(--mint); background: rgba(63, 95, 74, 0.04); }
.option-card-thumb {
  width: 100%;
  height: 90px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 16px;
}
.option-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--crema);
  border-radius: 50%;
  font-size: 1.4rem;
}
.option-card-name {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  color: var(--texto);
  line-height: 1.25;
  white-space: normal !important;
  overflow: visible !important;
  text-overflow: unset !important;
  word-break: normal;
  margin-bottom: 8px;
  width: 100%;
}
.option-card-meta {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--texto-suave);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.option-card-desc {
  font-family: var(--sans);
  font-size: 15px;
  color: var(--texto-muted);
  line-height: 1.45;
  white-space: normal !important;
  overflow: visible !important;
  text-overflow: unset !important;
  word-break: normal;
  width: 100%;
}

/* ── Tall cards (exterior / cocina / baños) ───────────── */
.option-grid-tall {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-height: 380px;
  overflow-y: auto;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}
.option-grid-tall::-webkit-scrollbar { width: 4px; }
.option-grid-tall::-webkit-scrollbar-thumb { background: var(--crema-dark); border-radius: 2px; }
.option-card-tall {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  cursor: pointer;
  transition: all var(--transition);
  min-width: 0;
  min-height: 250px;
  overflow: visible;
  height: auto;
}
.option-card-tall:hover { border-color: var(--border-active); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.option-card-tall.selected { border-color: var(--mint); background: rgba(63, 95, 74, 0.04); }
.option-card-tall-img {
  width: 100%;
  height: 90px;
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
  margin-bottom: 16px;
}
.option-card-tall-info {
  flex: none;
  width: 100%;
  min-width: 0;
}
.option-card-tall-name {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  color: var(--texto);
  line-height: 1.25;
  white-space: normal !important;
  overflow: visible !important;
  text-overflow: unset !important;
  word-break: normal;
  margin-bottom: 8px;
  width: 100%;
}
.option-card-tall-desc {
  font-family: var(--sans);
  font-size: 15px;
  color: var(--texto-muted);
  line-height: 1.45;
  white-space: normal !important;
  overflow: visible !important;
  text-overflow: unset !important;
  word-break: normal;
  width: 100%;
}

/* ── Step content wrapper ─────────────────────────────── */
.step-content {
  display: flex;
  flex-direction: column;
  min-height: 0;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* ── Radio options (lugar / inversion) ────────────────── */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 16px;
  margin-bottom: 24px;
  max-width: 100%;
  overflow-x: hidden;
}
.radio-option {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  cursor: pointer;
  transition: all var(--transition);
  -webkit-tap-highlight-color: transparent;
}
.radio-option:hover { border-color: var(--border-active); }
.radio-option.selected { border-color: var(--mint); background: rgba(63, 95, 74, 0.04); }
.radio-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.radio-option.selected .radio-dot { border-color: var(--mint); }
.radio-dot::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mint);
  transform: scale(0);
  transition: transform 0.2s ease;
}
.radio-option.selected .radio-dot::after { transform: scale(1); }
.radio-label {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--texto);
}
.radio-sublabel {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--texto-muted);
  margin-top: 2px;
}

/* ── Ubicacion input ──────────────────────────────────── */
.ubicacion-wrap {
  padding: 0 16px;
  margin-bottom: 16px;
}
.ubicacion-wrap.is-hidden { display: none; }
.ubicacion-label {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--texto);
  margin-bottom: 8px;
}
.ubicacion-input {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--sans);
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--texto);
  transition: border-color var(--transition);
  outline: none;
}
.ubicacion-input:focus { border-color: var(--mint); }

/* ── Terreno details (solo cuando tiene terreno) ───────── */
.terreno-details-wrap {
  padding: 0 16px;
  margin-bottom: 16px;
  animation: fadeIn 0.3s ease;
}
.terreno-details-wrap.is-hidden { display: none; }
.terreno-details-header {
  margin-bottom: 12px;
}
.terreno-details-label {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--texto);
  margin-bottom: 4px;
}
.terreno-details-hint {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--texto-muted);
  font-style: italic;
}
.terreno-details-input,
.terreno-details-textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--sans);
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--texto);
  transition: border-color var(--transition);
  outline: none;
  -webkit-appearance: none;
  margin-bottom: 10px;
}
.terreno-details-input:focus,
.terreno-details-textarea:focus { border-color: var(--mint); box-shadow: 0 0 0 3px rgba(63, 95, 74, 0.08); }
.terreno-details-textarea { min-height: 80px; resize: vertical; }

/* ── Formulario guardar ───────────────────────────────── */
.form-wrap {
  padding: 0 16px;
}
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--texto);
  margin-bottom: 6px;
}
.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--sans);
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--texto);
  transition: border-color var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-input:focus,
.form-textarea:focus { border-color: var(--mint); }
.form-textarea { min-height: 100px; resize: vertical; }

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  min-height: 48px;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary {
  background: var(--mint);
  color: var(--white);
}
.btn-primary:hover { background: var(--mint-dark); }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--mint);
  color: var(--mint);
}
.btn-outline:hover { background: rgba(63, 95, 74, 0.06); }
.btn-ghost {
  background: transparent;
  color: var(--texto-suave);
  padding: 10px 20px;
}
.btn-ghost:hover { color: var(--texto); }
.btn-icon { width: 48px; height: 48px; padding: 0; border-radius: 50%; }
/* — WhatsApp / CTA button — COR.HOMES green */
.btn-whatsapp { background: #3F5F4A; color: #FFFFFF; border: none; }
.btn-whatsapp:hover { background: #4A6A55; }

.btn-full { width: 100%; }

/* ── Navigation footer ────────────────────────────────── */
.nav-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
  gap: 12px;
  border-top: 1px solid var(--border);
  background: var(--crema);
  position: sticky;
  bottom: 0;
  z-index: 50;
}
.nav-footer-spacer { flex: 1; }

/* ── Resumen drawer (mobile) ──────────────────────────── */
.resumen-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--texto-suave);
  cursor: pointer;
  transition: all var(--transition);
}
.resumen-toggle:hover { border-color: var(--mint-light); }
.resumen-badge {
  background: var(--mint);
  color: var(--white);
  font-size: 0.7rem;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.resumen-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-lg);
  padding: 20px 16px 32px;
  z-index: 200;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  max-height: 60dvh;
  overflow-y: auto;
}
.resumen-drawer.open { transform: translateY(0); }
.resumen-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(31, 39, 33, 0.3);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.resumen-drawer-backdrop.open { opacity: 1; pointer-events: auto; }
.resumen-drawer-handle {
  width: 40px;
  height: 4px;
  background: var(--crema-dark);
  border-radius: 2px;
  margin: 0 auto 16px;
}
.resumen-drawer-title {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--texto);
  margin-bottom: 16px;
}
.resumen-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--sans);
  font-size: 0.9rem;
}
.resumen-item-label { color: var(--texto-suave); }
.resumen-item-value { color: var(--texto); font-weight: 500; text-align: right; }

/* ── Resumen sidebar (desktop) ────────────────────────── */
.resumen-panel {
  display: none;
  width: 280px;
  flex-shrink: 0;
  padding: 32px 24px;
  background: var(--white);
  border-left: 1px solid var(--border);
  overflow-y: auto;
}
.resumen-panel-title {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--texto);
  margin-bottom: 20px;
}

/* ── Toast ────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--mint-dark);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 100px;
  font-family: var(--sans);
  font-size: 0.85rem;
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}
.toast.visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Section title (used in step content) ─────────────── */
.section-header {
  text-align: center;
  padding: 8px 16px;
}
.section-title {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--texto);
  line-height: 1.3;
}
.section-subtitle {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--texto-suave);
  margin-top: 4px;
}

/* ═════════════════════════════════════════════════════════
   Desktop ≥900px
   ═════════════════════════════════════════════════════════ */
@media (min-width: 768px) {
  .app {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr) 360px;
    min-height: 100dvh;
  }

  /* Show sidebar in column 1, hide mobile header */
  .sidebar { display: flex; position: relative; grid-column: 1; }
  .header-mobile { display: none; }

  /* Main becomes transparent: children participate in parent grid */
  .main {
    display: contents;
  }

  /* Step content in central column 2 */
  .step-content {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    min-height: 0;
    min-width: 0;
    overflow-y: auto;
  }

  .visual-zone {
    flex: 1;
    min-height: 0;
    padding: 48px 64px 24px;
    align-items: center;
    justify-content: center;
    width: 100%;
  }

  .visual-img-wrap {
    width: min(100%, 900px);
    max-height: 58dvh;
    margin: 0 auto;
    flex: 1;
  }

  .visual-img {
    width: 100%;
    max-height: 58dvh;
    object-fit: contain;
  }

  .selector-zone {
    padding: 24px 64px 16px;
    background: transparent;
    border-top: 1px solid var(--border);
    margin-top: auto;
  }

  .selector-zone.has-border {
    border-top: 1px solid var(--border);
    background: var(--white-roto);
  }

  .option-grid {
    grid-template-columns: repeat(3, minmax(180px, 1fr));
    max-width: 760px;
    margin: 0 auto;
  }

  .option-grid-tall {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .radio-group {
    max-width: 520px;
    margin: 0 auto 24px;
  }

  .form-wrap {
    max-width: 480px;
    margin: 0 auto;
  }

  .section-header {
    padding: 16px 16px 8px;
  }

  .section-title {
    font-size: 1.4rem;
  }

  /* Nav footer inside main central (grid column 2), at bottom */
  .nav-footer {
    grid-column: 2;
    margin-left: 0;
    position: sticky;
    bottom: 0;
    border-top: 1px solid var(--border);
    background: var(--white-roto);
  }

  /* Right panel in column 3, sticky, full height */
  .resumen-panel {
    display: block;
    grid-column: 3;
    grid-row: 1;
    width: 360px;
    min-width: 360px;
    height: 100dvh;
    position: sticky;
    top: 0;
    overflow-y: auto;
    border-left: 1px solid var(--border);
    background: var(--white);
  }
  .resumen-toggle { display: none; }
}

/* ═════════════════════════════════════════════════════════
   Large desktop ≥1200px
   ═════════════════════════════════════════════════════════ */
@media (min-width: 1200px) {
  .option-grid-tall {
    grid-template-columns: repeat(3, 1fr);
  }
  .visual-img-wrap {
    max-height: 65dvh;
  }
}

/* ═════════════════════════════════════════════════════════
   Lead success / error screen
   ═════════════════════════════════════════════════════════ */
.lead-success {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60dvh;
  padding: 40px 24px;
  text-align: center;
  animation: fadeIn 0.5s ease;
}

.lead-success-inner {
  max-width: 420px;
}

.lead-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(63, 95, 74, 0.08);
  color: var(--mint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 24px;
}

.lead-success-title {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--texto);
  line-height: 1.25;
  margin-bottom: 16px;
}

.lead-success-text {
  font-size: 0.95rem;
  color: var(--texto-suave);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 340px;
  margin-left: auto;
  margin-right: auto;
}

.lead-success-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.lead-success-actions .btn {
  width: 100%;
  max-width: 300px;
  justify-content: center;
}

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

/* Desktop: lead success takes full central area */
@media (min-width: 860px) {
  .lead-success {
    min-height: 50dvh;
    padding: 64px 40px;
  }
  .lead-success-title {
    font-size: 2rem;
  }
}

/* ═══════════════════════════════════════════════════════
   OVERLAY FULLSCREEN — Lead success/error
   ═══════════════════════════════════════════════════════ */
.lead-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--crema);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  overflow-y: auto;
}
.lead-overlay--visible {
  opacity: 1;
}
.lead-overlay:focus {
  outline: none;
}
.lead-overlay .lead-success {
  min-height: auto;
  padding: 40px 24px;
  width: 100%;
}
.lead-overlay .lead-success-inner {
  max-width: 420px;
  margin: 0 auto;
  text-align: center;
}
@media (min-width: 860px) {
  .lead-overlay .lead-success {
    padding: 64px 40px;
  }
}

/* ═══════════════════════════════════════════════════════
   MOBILE: chips horizontal scroll + hide model cards
   ═══════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .chip-group {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    padding: 0 16px;
    margin-bottom: 16px;
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .chip-group::-webkit-scrollbar { display: none; }
  .chip {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  /* Ocultar cards de modelo en móvil — solo chips + Siguiente */
  .option-grid {
    display: none !important;
  }
  .selector-zone .section-header {
    padding-bottom: 4px;
  }
  .selector-zone {
    padding-bottom: 8px;
  }
}