/* SILAB 3D · Configura tu proyecto: estilos propios del formulario (heredados de la página anterior).
   La cabecera, el pie y la cabecera de página vienen de base.css y layout.css. */

    /* ============================================================
       VARIABLES & RESET
    ============================================================ */
    :root {
      --primary:       #BC556D;
      --primary-dark:  #B7516B;
      --primary-light: #F2D6DC;
      --dark:          #2F2F2F;
      --darker:        #1A1A1A;
      --white:         #FFFFFF;
      --gray-bg:       #F9F7F8;
      --gray-text:     #6B7280;
      --border:        #EDE0E3;
      --radius:        18px;
      --radius-sm:     12px;
      --shadow:        0 4px 24px rgba(0,0,0,0.06);
      --shadow-hover:  0 20px 50px rgba(188,85,109,0.2);
      --nav-h:         72px;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; scrollbar-gutter: stable; scrollbar-width: thin; scrollbar-color: var(--primary-light) #f5f5f5; }
    body {
      font-family: 'Outfit', sans-serif;
      color: var(--dark);
      background: var(--white);
      line-height: 1.6;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }

    /* ============================================================
       ANIMATIONS
    ============================================================ */
    @keyframes fadeInUp {
      from { opacity:0; transform:translateY(24px); }
      to   { opacity:1; transform:translateY(0); }
    }
    @keyframes fadeInLeft {
      from { opacity:0; transform:translateX(-30px); }
      to   { opacity:1; transform:translateX(0); }
    }
    @keyframes spin-slow { to { transform: rotate(360deg); } }
    @keyframes badge-pulse {
      0%,100% { box-shadow: 0 0 0 0 rgba(188,85,109,0.4); }
      50%      { box-shadow: 0 0 0 8px rgba(188,85,109,0); }
    }
    @keyframes stepIn {
      from { opacity:0; transform:translateX(24px); }
      to   { opacity:1; transform:translateX(0); }
    }
    @keyframes checkPop {
      0%   { transform: scale(0) rotate(-10deg); }
      70%  { transform: scale(1.2) rotate(3deg); }
      100% { transform: scale(1) rotate(0); }
    }

    /* ============================================================
       UTILITIES
    ============================================================ */
    .container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

    /* ============================================================
       NAVBAR
    ============================================================ */
    
    

    

    
    
    
    
    
    

    
    

    
    
    

    
    
    
    
    

    /* Mobile menu */
    
    

    
    
    
    
    
    
    
    
    
    
    

    /* ============================================================
       HERO (compact – no image, centered)
    ============================================================ */
    .hero-main {
      padding-top: var(--nav-h);
      padding-bottom: 0;
      background-color: var(--white);
      background-image: radial-gradient(circle, rgba(188,85,109,0.11) 1.5px, transparent 1.5px);
      background-size: 30px 30px;
      position: relative; overflow: hidden;
    }
    .hero-main::before {
      content:''; position:absolute; top:-80px; right:-80px;
      width:460px; height:460px;
      background: radial-gradient(circle, rgba(242,214,220,0.55) 0%, transparent 70%);
      pointer-events:none;
    }
    .hero-main::after {
      content:''; position:absolute; bottom:-40px; left:-40px;
      width:300px; height:300px;
      background: radial-gradient(circle, rgba(188,85,109,0.07) 0%, transparent 70%);
      pointer-events:none;
    }

    .hero-main-container {
      max-width: 780px; margin: 0 auto;
      padding: 80px 28px 60px;
      text-align: center;
      animation: fadeInUp 0.9s ease both;
      position: relative; z-index: 1;
    }

    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: var(--primary-light); color: var(--primary-dark);
      padding: 7px 16px; border-radius: 50px;
      font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
      margin-bottom: 24px;
    }
    .badge-dot {
      width: 7px; height: 7px; border-radius: 50%; background: var(--primary);
      animation: badge-pulse 2s infinite;
    }

    .hero-main-title {
      font-size: clamp(2.4rem, 5vw, 3.6rem);
      font-weight: 900; line-height: 1.1;
      color: var(--dark); letter-spacing: -0.04em;
      margin-bottom: 18px;
    }
    .hero-main-title .accent { color: var(--primary); }
    .hero-main-text {
      font-size: 1.08rem; color: #5a5a5a; line-height: 1.75;
      max-width: 540px; margin: 0 auto;
    }
    .hero-main-text strong { color: var(--dark); font-weight: 600; }

    /* Step indicator in hero */
    .step-indicator-hero {
      display: flex; align-items: center; justify-content: center;
      gap: 0; margin-top: 40px;
    }
    .step-dot {
      display: flex; flex-direction: column; align-items: center; gap: 6px;
      position: relative;
    }
    .step-dot-circle {
      width: 36px; height: 36px; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 0.8rem; font-weight: 800;
      border: 2px solid var(--border);
      background: var(--white);
      color: var(--gray-text);
      transition: all 0.4s;
      position: relative; z-index: 1;
    }
    .step-dot.active .step-dot-circle {
      background: var(--primary);
      border-color: var(--primary);
      color: white;
      box-shadow: 0 4px 16px rgba(188,85,109,0.4);
    }
    .step-dot.done .step-dot-circle {
      background: var(--primary-light);
      border-color: var(--primary);
      color: var(--primary);
    }
    .step-dot.done .step-dot-circle::after {
      content: '✓';
      font-size: 0.85rem; font-weight: 900;
    }
    .step-dot.done .step-dot-circle span { display: none; }

    .step-dot-label {
      font-size: 0.72rem; font-weight: 600;
      color: var(--gray-text); white-space: nowrap;
      transition: color 0.3s;
    }
    .step-dot.active .step-dot-label { color: var(--primary); }
    .step-dot.done  .step-dot-label { color: var(--primary-dark); }

    .step-connector {
      width: 60px; height: 2px;
      background: var(--border);
      margin: 0 4px;
      margin-bottom: 22px;
      transition: background 0.4s;
      flex-shrink: 0;
    }
    .step-connector.done { background: var(--primary); }

    /* ============================================================
       QUOTE SECTION
    ============================================================ */
    .quote-page {
      padding: 0 0 100px;
      background: var(--white);
    }

    .quote-wrapper {
      max-width: 780px;
      margin: 0 auto;
      padding: 0 28px;
    }

    /* ============================================================
       FORM CARDS (steps)
    ============================================================ */
    .quote-section-card {
      background: var(--white);
      border: 1.5px solid var(--border);
      border-radius: 24px;
      padding: 44px 44px;
      box-shadow: var(--shadow);
      animation: stepIn 0.45s ease both;
      margin-top: 24px;
    }

    .quote-section-title {
      font-size: 1.35rem; font-weight: 800;
      color: var(--dark); letter-spacing: -0.025em;
      margin-bottom: 28px;
      padding-bottom: 18px;
      border-bottom: 1.5px solid var(--primary-light);
      display: flex; align-items: center; gap: 10px;
    }
    .quote-section-title .step-num {
      width: 30px; height: 30px; border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: white; display: inline-flex; align-items: center; justify-content: center;
      font-size: 0.8rem; font-weight: 800; flex-shrink: 0;
    }

    /* Grid */
    .quote-form-grid { display: grid; gap: 20px; }
    .quote-form-grid-2 { grid-template-columns: 1fr 1fr; }
    .form-group-span-2 { grid-column: 1 / -1; }
    .form-group-colors { grid-column: 1 / -1; }

    /* Form group */
    .form-group { display: flex; flex-direction: column; gap: 7px; }
    .form-group label {
      font-size: 0.875rem; font-weight: 600; color: var(--dark);
    }
    .form-group input,
    .form-group textarea,
    .form-group select {
      width: 100%; padding: 13px 16px;
      border: 1.5px solid #E5E7EB; border-radius: var(--radius-sm);
      font-family: 'Outfit', sans-serif; font-size: 0.95rem; color: var(--dark);
      outline: none; resize: vertical; background: #FDFCFC;
      transition: border-color 0.25s, box-shadow 0.25s;
      appearance: none;
    }
    .form-group select {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 16px center;
      padding-right: 42px;
      cursor: pointer;
    }
    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(188,85,109,0.11);
      background: var(--white);
    }
    .form-group input.input-error,
    .form-group textarea.input-error,
    .form-group select.input-error {
      border-color: #ef4444;
      box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
    }
    .field-error {
      font-size: 0.8rem; color: #ef4444; font-weight: 500;
      display: none;
    }
    .field-error.show { display: block; }

    /* ============================================================
       STEP ACTIONS
    ============================================================ */
    .quote-step-actions {
      display: flex; justify-content: flex-end; gap: 12px;
      margin-top: 32px;
    }

    .quote-step-button {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      padding: 14px 32px; border-radius: 50px;
      font-family: 'Outfit', sans-serif; font-size: 0.975rem; font-weight: 700;
      cursor: pointer; border: none; transition: all 0.3s;
      letter-spacing: 0.01em;
    }

    /* Primary (next) */
    .quote-step-button:not(.quote-step-button-secondary) {
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: white;
      box-shadow: 0 6px 24px rgba(188,85,109,0.35);
    }
    .quote-step-button:not(.quote-step-button-secondary):hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 32px rgba(188,85,109,0.5);
    }

    /* Secondary (back) */
    .quote-step-button-secondary {
      background: var(--white);
      color: var(--gray-text);
      border: 1.5px solid var(--border) !important;
    }
    .quote-step-button-secondary:hover {
      border-color: rgba(188,85,109,0.3) !important;
      color: var(--primary);
      background: var(--primary-light);
    }

    /* ============================================================
       COLOR / MATERIAL SELECTOR
    ============================================================ */
    .project-colors-board { display: flex; flex-direction: column; gap: 20px; }

    .color-material-selector {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(0, 1fr);
      gap: 12px;
    }

    /* Los materiales que no corresponden al tipo de proyecto no se muestran */
    .color-material-card[hidden] { display: none !important; }

    .color-material-card {
      display: flex; flex-direction: column; align-items: center; gap: 8px;
      padding: 20px 14px;
      border: 1.5px solid var(--border);
      border-radius: var(--radius);
      background: var(--white);
      cursor: pointer;
      transition: all 0.3s;
      font-family: 'Outfit', sans-serif;
      position: relative; overflow: hidden;
    }
    .color-material-card::after {
      content:''; position:absolute; bottom:0; left:0; right:0; height:2.5px;
      background: linear-gradient(90deg, var(--primary), var(--primary-dark));
      transform:scaleX(0); transform-origin:left; transition:transform 0.3s;
    }
    .color-material-card:hover::after,
    .color-material-card.active::after,
    .color-material-card.selected::after { transform:scaleX(1); }

    .color-material-card:hover {
      border-color: rgba(188,85,109,0.35);
      background: var(--primary-light);
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(188,85,109,0.18);
    }
    .color-material-card.selected,
    .color-material-card.active {
      border-color: var(--primary);
      background: var(--primary-light);
      box-shadow: 0 6px 20px rgba(188,85,109,0.22);
    }
    .color-material-card.active .card-title { color: var(--primary-dark); }
    /* Marca de seleccion en la esquina del cuadro */
    .color-material-card.active::before {
      content: '✓';
      position: absolute; top: 6px; right: 9px;
      font-size: 0.8rem; font-weight: 800; line-height: 1;
      color: var(--primary);
    }

    .card-icon { font-size: 1.8rem; }
    .card-title { font-size: 0.875rem; font-weight: 700; color: var(--dark); text-align: center; }
    .card-subtitle { font-size: 0.75rem; color: var(--gray-text); }
    .card-color-count {
      font-size: 0.75rem; font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 2px 10px; border-radius: 50px;
    }

    /* Selected colors display */
    .color-selection-display {
      background: var(--gray-bg);
      border: 1.5px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
    }
    .selection-title {
      font-size: 0.82rem; font-weight: 600; color: var(--gray-text);
      margin-bottom: 16px; line-height: 1.5;
    }

    .color-chips-container {
      display: flex; flex-wrap: wrap; gap: 10px; min-height: 52px;
    }
    .color-chips-empty {
      display: flex; align-items: center; gap: 10px;
      color: var(--gray-text); font-size: 0.875rem;
    }
    .empty-icon { font-size: 1.3rem; }

    /* Individual chip */
    .color-chip {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 6px 14px 6px 8px;
      border: 1.5px solid var(--border); border-radius: 50px;
      background: var(--white); font-size: 0.82rem; font-weight: 600;
      color: var(--dark); cursor: default;
      animation: fadeInUp 0.25s ease;
    }
    .color-chip-dot {
      width: 18px; height: 18px; border-radius: 50%;
      box-shadow: 0 1px 4px rgba(0,0,0,0.15);
      flex-shrink: 0;
    }
    .color-chip-remove {
      display: inline-flex; align-items: center; justify-content: center;
      width: 16px; height: 16px; border-radius: 50%;
      background: #E5E7EB; color: #888;
      font-size: 0.65rem; cursor: pointer; border: none;
      font-family: inherit; transition: background 0.2s;
      margin-left: 2px;
    }
    .color-chip-remove:hover { background: #fecdd3; color: var(--primary); }

    /* Color catalog */
    .color-catalog-direct {
      background: var(--white);
      border: 1.5px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
    }

    .catalog-sections { display: flex; flex-direction: column; gap: 28px; }
    .catalog-section-title {
      font-size: 0.78rem; font-weight: 800; color: var(--primary);
      letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 14px;
    }
    .catalog-color-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
      gap: 10px;
    }
    .catalog-color-item {
      display: flex; flex-direction: column; align-items: center; gap: 6px;
      padding: 12px 8px;
      border: 1.5px solid var(--border); border-radius: var(--radius-sm);
      cursor: pointer; transition: all 0.25s;
      background: var(--white);
    }
    .catalog-color-item:hover {
      border-color: var(--primary);
      background: var(--primary-light);
      transform: translateY(-3px);
      box-shadow: 0 6px 18px rgba(188,85,109,0.18);
    }
    .catalog-color-item.selected {
      border-color: var(--primary);
      background: var(--primary-light);
      box-shadow: 0 0 0 3px rgba(188,85,109,0.2);
    }
    .catalog-color-item.selected::after {
      content: '✓';
      position: absolute; right: 4px; top: 4px;
      font-size: 0.6rem; font-weight: 900;
      color: var(--primary);
    }
    .catalog-color-item { position: relative; }
    .catalog-color-circle {
      width: 38px; height: 38px; border-radius: 50%;
      box-shadow: 0 2px 8px rgba(0,0,0,0.14);
      transition: transform 0.25s;
    }
    .catalog-color-item:hover .catalog-color-circle { transform: scale(1.1); }
    .catalog-color-name {
      font-size: 0.68rem; font-weight: 600; color: var(--dark);
      text-align: center; line-height: 1.3;
    }

    /* ============================================================
       CONTACT OPTIONS (step 4)
    ============================================================ */
    .quote-page-contact {
      background: var(--white);
      border: 1.5px solid var(--border);
      border-radius: 24px;
      padding: 48px 44px;
      box-shadow: var(--shadow);
      animation: stepIn 0.45s ease both;
      margin-top: 24px;
      text-align: center;
    }

    .contact-options-title {
      font-size: 1.3rem; font-weight: 800;
      color: var(--dark); letter-spacing: -0.02em;
      line-height: 1.45; margin-bottom: 36px;
      max-width: 540px; margin-left: auto; margin-right: auto;
    }
    .contact-options-title .accent { color: var(--primary); }

    .contact-options-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 16px; max-width: 420px; margin: 0 auto 32px;
    }
    .contact-option-card {
      display: flex; flex-direction: column; align-items: center; gap: 10px;
      padding: 30px 20px;
      border: 1.5px solid var(--border); border-radius: var(--radius);
      transition: all 0.3s; color: var(--dark); cursor: pointer;
    }
    .contact-option-card:hover {
      border-color: var(--primary); background: var(--primary-light);
      transform: translateY(-5px); box-shadow: var(--shadow-hover);
    }
    .contact-option-icon { font-size: 2.2rem; }
    .contact-option-card h3 { font-size: 1.05rem; font-weight: 800; }
    .contact-option-card p { font-size: 0.82rem; color: var(--gray-text); }

    /* ============================================================
       PROJECT BLOCKS (paso 2 · secciones)
    ============================================================ */
    /* Divisor de grupo compacto (micro-etiqueta) */
    .field-divider {
      display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
      margin: 26px 0 14px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border);
    }
    .field-divider-label {
      font-size: 0.72rem; font-weight: 800; color: var(--primary);
      letter-spacing: 0.1em; text-transform: uppercase;
    }
    .field-divider-hint {
      font-size: 0.78rem; color: var(--gray-text); font-weight: 500;
    }
    .label-opt { color: var(--gray-text); font-weight: 500; }
    /* Fecha para el plazo urgente · solo visible con plazo Urgente */
    .deadline-date-group[hidden] { display: none !important; }
    .deadline-date-group {
      margin-top: 14px; margin-bottom: 0;
      padding: 14px 16px;
      border: 1px solid #ead9e6; border-radius: 12px;
      background: #fdf7fb;
    }
    .deadline-date-group input[type="date"] { max-width: 260px; }

    /* Plazo deseado · tarjetas compactas horizontales */
    .plazo-selector {
      display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
    }
    .plazo-option {
      display: flex; align-items: center; gap: 12px; text-align: left;
      padding: 13px 15px;
      border: 1.5px solid var(--border);
      border-radius: var(--radius-sm);
      background: #FDFCFC;
      cursor: pointer;
      transition: all 0.25s;
      position: relative;
    }
    .plazo-option input {
      position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none;
    }
    .plazo-option:hover {
      border-color: rgba(188,85,109,0.4);
      background: var(--primary-light);
    }
    .plazo-option.selected,
    .plazo-option:has(input:checked) {
      border-color: var(--primary);
      background: var(--primary-light);
      box-shadow: 0 4px 14px rgba(188,85,109,0.16);
    }
    .plazo-icon { font-size: 1.4rem; line-height: 1; flex-shrink: 0; }
    .plazo-text { display: flex; flex-direction: column; gap: 1px; }
    .plazo-title { font-size: 0.9rem; font-weight: 700; color: var(--dark); }
    .plazo-option.selected .plazo-title,
    .plazo-option:has(input:checked) .plazo-title { color: var(--primary-dark); }
    .plazo-desc { font-size: 0.72rem; color: var(--gray-text); line-height: 1.3; }

    /* ============================================================
       REFERENCE FILES BLOCK (paso 2 · parte B)
    ============================================================ */
    .reference-block {
      margin-top: 28px;
      padding-top: 24px;
      border-top: 1.5px dashed var(--border);
    }
    .reference-block-title {
      font-size: 1rem; font-weight: 800; color: var(--dark);
      letter-spacing: -0.01em; margin-bottom: 16px;
      display: flex; align-items: center; gap: 8px;
    }
    .reference-upload { margin-top: 18px; animation: fadeInUp 0.3s ease; }
    .reference-dropzone {
      display: flex; flex-direction: column; align-items: center; justify-content: center;
      gap: 8px; text-align: center;
      padding: 32px 20px;
      border: 2px dashed var(--primary-light);
      border-radius: var(--radius);
      background: var(--gray-bg);
      cursor: pointer; transition: all 0.25s;
    }
    .reference-dropzone:hover,
    .reference-dropzone.dragover {
      border-color: var(--primary);
      background: var(--primary-light);
      transform: translateY(-2px);
    }
    .dropzone-icon { font-size: 1.8rem; }
    .dropzone-text { font-size: 0.95rem; color: var(--dark); }
    .dropzone-text strong { color: var(--primary); font-weight: 700; }
    .dropzone-hint { font-size: 0.78rem; color: var(--gray-text); }

    .reference-files-list { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
    .reference-file {
      display: flex; align-items: center; gap: 12px;
      padding: 10px 14px;
      border: 1.5px solid var(--border); border-radius: var(--radius-sm);
      background: var(--white);
      animation: fadeInUp 0.2s ease;
    }
    .reference-file-icon { font-size: 1.25rem; flex-shrink: 0; }
    .reference-file-info { flex: 1; min-width: 0; }
    .reference-file-name {
      font-size: 0.85rem; font-weight: 600; color: var(--dark);
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }
    .reference-file-sub { display: flex; align-items: center; gap: 8px; }
    .reference-file-meta { font-size: 0.72rem; color: var(--gray-text); }
    .reference-file-status { font-size: 0.72rem; font-weight: 700; }
    .reference-file-status.uploading { color: var(--gray-text); }
    .reference-file-status.done { color: #0a9077; }
    .reference-file-status.error { color: #ef4444; }
    .reference-file-remove {
      width: 26px; height: 26px; border-radius: 50%;
      background: #E5E7EB; color: #888; border: none; cursor: pointer;
      font-size: 0.7rem; display: flex; align-items: center; justify-content: center;
      flex-shrink: 0; transition: background 0.2s;
    }
    .reference-file-remove:hover { background: #fecdd3; color: var(--primary); }
    .reference-files-meta {
      font-size: 0.78rem; color: var(--gray-text); margin-top: 12px;
      display: flex; justify-content: space-between; align-items: center; gap: 10px;
    }

    /* ============================================================
       FOOTER
    ============================================================ */
    
    
    
    
    
    

    /* ============================================================
       SCROLLBAR
    ============================================================ */
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: #f5f5f5; }
    ::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 3px; }
    ::-webkit-scrollbar-thumb:hover { background: var(--primary); }

    /* ============================================================
       RESPONSIVE
    ============================================================ */
    @media (max-width: 768px) {
      .hamburger-menu { display: flex; }
      .navbar-left, .nav-links { display: none; }
      .navbar-container { justify-content: space-between; }
      .navbar-center { position: absolute; left: 50%; transform: translateX(-50%); }

      .hero-main-container { padding: 70px 24px 50px; }
      .step-connector { width: 32px; }
      .step-dot-label { font-size: 0.65rem; }

      .quote-section-card,
      .quote-page-contact { padding: 28px 22px; }

      .quote-form-grid-2 { grid-template-columns: 1fr; }
      .color-material-selector { grid-auto-flow: row; grid-template-columns: repeat(2, 1fr); }
      .contact-options-grid { grid-template-columns: 1fr; max-width: 280px; }

      .quote-step-actions { flex-direction: column-reverse; }
      .quote-step-button { width: 100%; }
    }
    @media (max-width: 480px) {
      .plazo-selector { grid-template-columns: 1fr; }
      .color-material-selector { grid-auto-flow: row; grid-template-columns: repeat(2, 1fr); }
      .catalog-color-grid { grid-template-columns: repeat(auto-fill, minmax(70px, 1fr)); }
      .step-indicator-hero { gap: 0; }
      .step-dot-label { display: none; }
      .step-connector { width: 24px; margin-bottom: 0; }
      .step-dot-circle { width: 30px; height: 30px; font-size: 0.72rem; }
    }
  
    /* --- chrome (restaurado tras revertir base.css) --- */
/* --- Navbar --- */
    .navbar {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 980;
      height: var(--nav-h);
      background: rgba(255,255,255,0.94);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(242,214,220,0.7);
      transition: box-shadow 0.3s;
    }
    .navbar.scrolled { box-shadow: 0 2px 24px rgba(188,85,109,0.13); }

    .navbar-container {
      max-width: 1180px;
      margin: 0 auto;
      padding: 0 28px;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .hamburger-menu {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      border-radius: 10px;
      transition: background 0.2s;
    }
    .hamburger-menu span {
      display: block;
      width: 22px; height: 2px;
      background: var(--dark, #2F2F2F);
      border-radius: 2px;
      transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    }
    /* Sin botón de cierre: la hamburguesa no se transforma en X (se cierra tocando fuera) */
    .hamburger-menu.open span,
    .hamburger-menu.active span {
      transform: none !important;
      opacity: 1 !important;
    }


    .navbar-left .btn-presupuesto {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      background: var(--primary);
      color: #fff;
      padding: 10px 22px;
      border-radius: 50px;
      font-size: 0.855rem;
      font-weight: 700;
      transition: all 0.3s;
      white-space: nowrap;
    }
    .navbar-left .btn-presupuesto:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 22px rgba(188,85,109,0.38);
    }

    .navbar-center { display:flex; align-items:center; }
    .navbar-logo { height: 48px; width: auto; transition: transform 0.3s; }
    .navbar-logo:hover { transform: scale(1.04); }

    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      color: var(--dark);
      font-size: 0.9rem;
      font-weight: 500;
      padding: 8px 14px;
      border-radius: 10px;
      transition: all 0.2s;
      position: relative;
    }
    .nav-links a:hover { color: var(--primary); background: var(--primary-light); }
    .nav-links a.active { color: var(--primary); font-weight: 700; }
    .nav-links a:active { transform: translateY(1px); }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: 5px; left: 50%;
      transform: translateX(-50%);
      width: 14px; height: 2.5px;
      background: var(--primary);
      border-radius: 2px;
    }

/* --- Menú móvil --- */
    .menu-overlay {
      position: fixed; inset: 0;
      background: rgba(26,26,26,0.5);
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
      opacity: 0; visibility: hidden;
      transition: opacity 0.35s ease, visibility 0.35s ease;
      z-index: 950;
    }
    .menu-overlay.show { opacity: 1; visibility: visible; }
    /* El navbar permanece sobre el menú desplegable */
    .navbar { z-index: 990; }
    /* Con el menú abierto: navbar opaco y sin línea inferior para una transición continua */
    .navbar:has(.mobile-menu.open) {
      background: var(--white, #FFFFFF);
      border-bottom-color: transparent;
      box-shadow: none;
    }

    .mobile-menu {
      position: fixed;
      top: var(--nav-h, 72px); left: 0; right: 0;
      width: 100%;
      padding: 0;
      height: fit-content;
      max-height: min(66dvh, calc(100dvh - var(--nav-h, 72px)));
      background: var(--white, #FFFFFF);
      z-index: 960;
      transform: translateY(-105%);
      visibility: hidden;
      /* Cierre: curva ease-in rápida para que se repliegue sin engancharse arriba */
      transition: transform 0.3s cubic-bezier(0.5,0,0.9,0.4), visibility 0s linear 0.3s;
      display: flex;
      flex-direction: column;
      border-radius: 0 0 26px 26px;
      box-shadow: 0 26px 54px -14px rgba(43,26,32,0.32);
      overflow-y: auto;
    }
    .mobile-menu.open {
      transform: translateY(0);
      visibility: visible;
      /* Apertura: curva ease-out suave */
      transition: transform 0.42s cubic-bezier(0.22,1,0.36,1), visibility 0s;
    }
    /* Neutraliza el sistema antiguo (script.js/custom.css añaden .active):
       solo .open controla el menú, evitando el cuadro blanco atrapado al cerrar */
    .mobile-menu.active { animation: none !important; display: flex !important; }

    /* Navegación */
    .mobile-menu-nav {
      flex: 0 0 auto;
      padding: clamp(12px,2.2vh,20px) clamp(14px,5vw,22px);
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      gap: clamp(3px,0.9vh,8px);
    }
    .mobile-menu-link {
      position: relative;
      display: flex; align-items: center;
      gap: clamp(11px,3vw,14px);
      padding: clamp(7px,1.1vh,10px) clamp(11px,3vw,14px);
      border-radius: 14px;
      color: var(--dark, #2F2F2F);
      transition: background 0.25s, color 0.25s, transform 0.15s;
    }
    .mobile-menu-link:active { transform: scale(0.98); }
    .mobile-menu-icon {
      width: clamp(32px,4.4vh,38px); height: clamp(32px,4.4vh,38px);
      border-radius: 11px;
      background: rgba(188,85,109,0.09); color: var(--primary, #BC556D);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
      transition: background 0.25s, color 0.25s, box-shadow 0.25s, transform 0.25s;
    }
    .mobile-menu-icon svg {
      width: clamp(17px,2.3vh,20px); height: clamp(17px,2.3vh,20px);
      fill: none; stroke: currentColor; stroke-width: 1.9;
      stroke-linecap: round; stroke-linejoin: round;
    }
    .mobile-menu-label {
      font-weight: 650; font-size: clamp(0.9rem,2.2vh,1rem);
      letter-spacing: -0.01em; flex: 1;
    }
    .mobile-menu-arrow {
      color: var(--gray-text, #6B7280); flex-shrink: 0;
      opacity: 0; transform: translateX(-6px);
      transition: opacity 0.25s, transform 0.25s;
    }
    .mobile-menu-arrow svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .mobile-menu-link:hover { background: rgba(188,85,109,0.06); }
    .mobile-menu-link:hover .mobile-menu-icon { transform: translateY(-1px); }
    .mobile-menu-link:hover .mobile-menu-arrow { opacity: 0.55; transform: translateX(0); }
    .mobile-menu-link.active {
      background: linear-gradient(100deg, var(--primary-light, #F2D6DC) 0%, rgba(242,214,220,0.35) 100%);
      color: var(--primary-dark, #B7516B);
    }
    .mobile-menu-link.active .mobile-menu-icon {
      background: linear-gradient(135deg, var(--primary, #BC556D), var(--primary-dark, #B7516B));
      color: #fff; box-shadow: 0 6px 16px rgba(188,85,109,0.4);
    }
    .mobile-menu-link.active .mobile-menu-label { font-weight: 750; }
    .mobile-menu-link.active .mobile-menu-arrow { opacity: 0.9; transform: translateX(0); color: var(--primary, #BC556D); }
    .mobile-menu-link.active::before {
      content: ''; position: absolute; left: calc(-1 * clamp(14px,5vw,22px)); top: 50%;
      transform: translateY(-50%);
      width: 4px; height: 62%; border-radius: 0 4px 4px 0;
      background: linear-gradient(var(--primary, #BC556D), var(--primary-dark, #B7516B));
    }

    /* Entrada escalonada de los enlaces (deslizan desde arriba) */
    .mobile-menu-nav .mobile-menu-link { opacity: 0; transform: translateY(-12px); }
    .mobile-menu.open .mobile-menu-nav .mobile-menu-link {
      animation: drawerLinkIn 0.42s cubic-bezier(0.22,1,0.36,1) forwards;
    }
    .mobile-menu.open .mobile-menu-link:nth-of-type(1) { animation-delay: 0.06s; }
    .mobile-menu.open .mobile-menu-link:nth-of-type(2) { animation-delay: 0.11s; }
    .mobile-menu.open .mobile-menu-link:nth-of-type(3) { animation-delay: 0.16s; }
    .mobile-menu.open .mobile-menu-link:nth-of-type(4) { animation-delay: 0.21s; }
    .mobile-menu.open .mobile-menu-link:nth-of-type(5) { animation-delay: 0.26s; }
    @keyframes drawerLinkIn {
      to { opacity: 1; transform: translateY(0); }
    }

    /* Ítem destacado: Configura tu proyecto (mismo espaciado que el resto) */
    .mobile-menu-link--cta .mobile-menu-icon {
      background: linear-gradient(135deg, var(--primary, #BC556D), var(--primary-dark, #B7516B));
      color: #fff; box-shadow: 0 5px 14px rgba(188,85,109,0.38);
    }
    .mobile-menu-link--cta .mobile-menu-icon svg { fill: currentColor; stroke: none; }
    .mobile-menu-link--cta .mobile-menu-label { color: var(--primary-dark, #B7516B); font-weight: 750; }

    /* Alturas muy reducidas (móvil apaisado): permite scroll y compacta */
    @media (max-height: 480px) {
      .mobile-menu-nav { justify-content: flex-start; gap: 4px; }
      .mobile-menu-link { padding: 8px 12px; }
    }

    @media (prefers-reduced-motion: reduce) {
      .mobile-menu, .menu-overlay, .mobile-menu-link { transition: none; }
      .mobile-menu.open .mobile-menu-nav .mobile-menu-link { animation: none; opacity: 1; transform: none; }
    }

    /* El menú lateral es exclusivo de la versión móvil */
    @media (min-width: 769px) {
      .mobile-menu, .menu-overlay, .hamburger-menu { display: none !important; }
    }


/* --- Footer --- */
    .footer {
      background: var(--darker);
      padding: 44px 0;
      border-top: 1px solid rgba(188,85,109,0.2);
    }
    .footer .container {
      display: flex;
      flex-direction: column;
      gap: 10px;
      align-items: center;
      text-align: center;
    }
    .footer p { font-size: 0.875rem; color: rgba(255,255,255,0.42); }
    .footer a { color: var(--primary); font-weight: 600; transition: color 0.2s; }
    .footer a:hover { color: #e899ae; }
    .footer .sep { color: rgba(255,255,255,0.2); margin: 0 8px; }

/* --- Responsive del chrome --- */
@media (max-width: 768px) {
  .hamburger-menu { display: flex; }
  .navbar-left, .nav-links { display: none; }
  .navbar-container { justify-content: space-between; }
  .navbar-center { position: absolute; left: 50%; transform: translateX(-50%); }
}