/* ============================================================
       VARIABLES & RESET
    ============================================================ */
    :root {
      --color-white:       #ffffff;
      --color-bg-light:    #f8fafc;
      --color-bg-dark:     #1e293b;
      --color-text:        #1e293b;
      --color-text-muted:  #64748b;
      --color-accent:      #d97706;
      --color-accent-light:#fef3c7;
      --color-accent-dark: #b45309;
      --color-border:      #e2e8f0;

      --font-title: 'Montserrat', sans-serif;
      --font-body:  'Inter', sans-serif;

      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;

      --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
      --shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
      --shadow-lg: 0 12px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);

      --section-pad: 110px;
      --container:   1200px;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font-body);
      font-weight: 400;
      color: var(--color-text);
      background: var(--color-white);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    img { display: block; max-width: 100%; }
    a   { text-decoration: none; color: inherit; }

    /* Foco visible para navegación por teclado */
    a:focus-visible,
    button:focus-visible,
    summary:focus-visible {
      outline: 3px solid var(--color-accent);
      outline-offset: 3px;
      border-radius: 4px;
    }

    /* Enlace para saltar al contenido (lectores de pantalla / teclado) */
    .skip-link {
      position: fixed;
      top: -100px;
      left: 16px;
      z-index: 2000;
      background: var(--color-accent);
      color: var(--color-white);
      font-weight: 600;
      font-size: .9rem;
      padding: 12px 20px;
      border-radius: var(--radius-sm);
      transition: top .2s;
    }
    .skip-link:focus { top: 16px; }

    /* Respetar la preferencia de movimiento reducido */
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
      }
      .reveal { opacity: 1 !important; transform: none !important; }
    }

    /* ============================================================
       LAYOUT
    ============================================================ */
    .container {
      max-width: var(--container);
      margin-inline: auto;
      padding-inline: clamp(20px, 5vw, 60px);
    }

    .section-label {
      display: inline-block;
      font-family: var(--font-body);
      font-weight: 600;
      font-size: .72rem;
      letter-spacing: .12em;
      text-transform: uppercase;
      color: var(--color-accent);
      background: var(--color-accent-light);
      padding: 4px 12px;
      border-radius: 100px;
      margin-bottom: 18px;
    }

    .section-title {
      font-family: var(--font-title);
      font-weight: 700;
      font-size: clamp(1.8rem, 3.5vw, 2.7rem);
      line-height: 1.2;
      color: var(--color-text);
      letter-spacing: -.02em;
    }

    .section-subtitle {
      font-size: 1.05rem;
      font-weight: 400;
      color: var(--color-text-muted);
      max-width: 560px;
      margin-top: 14px;
      line-height: 1.75;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: var(--font-body);
      font-weight: 600;
      font-size: .9rem;
      padding: 13px 26px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: none;
      transition: all .22s ease;
      letter-spacing: .01em;
    }

    .btn-primary {
      background: var(--color-accent);
      color: var(--color-white);
      box-shadow: 0 2px 12px rgba(217,119,6,.30);
    }
    .btn-primary:hover {
      background: var(--color-accent-dark);
      box-shadow: 0 4px 20px rgba(217,119,6,.40);
      transform: translateY(-1px);
    }

    .btn-outline {
      background: transparent;
      color: var(--color-text);
      border: 1.5px solid var(--color-border);
    }
    .btn-outline:hover {
      border-color: var(--color-text);
      transform: translateY(-1px);
    }

    .btn-ghost-white {
      background: rgba(255,255,255,.12);
      color: var(--color-white);
      border: 1.5px solid rgba(255,255,255,.25);
      backdrop-filter: blur(6px);
    }
    .btn-ghost-white:hover {
      background: rgba(255,255,255,.22);
      transform: translateY(-1px);
    }

    .btn-whatsapp {
      background: #25d366;
      color: #fff;
    }
    .btn-whatsapp:hover {
      background: #1ebe5d;
      transform: translateY(-1px);
    }

    /* ============================================================
       HEADER / NAV
    ============================================================ */
    #header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      transition: all .3s ease;
    }

    #header.scrolled {
      background: rgba(255,255,255,.96);
      backdrop-filter: blur(12px);
      box-shadow: 0 1px 0 var(--color-border), var(--shadow-sm);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .logo { display: flex; align-items: center; text-decoration: none; }

    .logo-wrap {
      display: inline-flex;
      border-radius: 10px;
      overflow: hidden;
    }

    .logo-img {
      height: 52px;
      width: auto;
      display: block;
      object-fit: contain;
    }

    .footer-logo .logo-img { height: 60px; }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    .nav-links a {
      font-size: .875rem;
      font-weight: 500;
      color: rgba(255,255,255,.85);
      transition: color .2s;
      position: relative;
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -3px; left: 0;
      width: 0; height: 2px;
      background: var(--color-accent);
      border-radius: 2px;
      transition: width .25s ease;
    }

    .nav-links a:hover { color: var(--color-white); }
    .nav-links a:hover::after { width: 100%; }

    #header.scrolled .nav-links a { color: var(--color-text-muted); }
    #header.scrolled .nav-links a:hover { color: var(--color-text); }

    .nav-cta { margin-left: 8px; }

    .nav-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
      width: 44px;
      height: 44px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0;
    }

    .nav-toggle span {
      display: block;
      width: 22px; height: 2px;
      background: var(--color-white);
      border-radius: 2px;
      transition: all .3s;
    }

    #header.scrolled .nav-toggle span { background: var(--color-text); }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 72px; left: 0; right: 0;
      background: var(--color-white);
      border-bottom: 1px solid var(--color-border);
      padding: 20px clamp(20px, 5vw, 60px) 28px;
      box-shadow: var(--shadow-md);
    }

    .mobile-menu.open { display: block; }

    .mobile-menu ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 20px;
    }

    .mobile-menu a {
      display: block;
      padding: 10px 0;
      font-size: .95rem;
      font-weight: 500;
      color: var(--color-text);
      border-bottom: 1px solid var(--color-border);
    }

    /* ============================================================
       HERO
    ============================================================ */
    #hero {
      min-height: 100svh;
      background: var(--color-bg-dark);
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      padding: 120px 0 80px;
    }

    #hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 60% 50% at 75% 50%, rgba(217,119,6,.08) 0%, transparent 70%),
        radial-gradient(ellipse 40% 60% at 10% 80%, rgba(30,41,59,.6) 0%, transparent 60%);
      pointer-events: none;
    }

    #hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size: 48px 48px;
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
      position: relative;
      z-index: 1;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(217,119,6,.15);
      border: 1px solid rgba(217,119,6,.3);
      color: #fcd34d;
      font-size: .75rem;
      font-weight: 600;
      letter-spacing: .08em;
      text-transform: uppercase;
      padding: 6px 14px;
      border-radius: 100px;
      margin-bottom: 28px;
    }

    .hero-badge i { font-size: .65rem; }

    .hero-title {
      font-family: var(--font-title);
      font-weight: 800;
      font-size: clamp(2.2rem, 4.5vw, 3.4rem);
      line-height: 1.1;
      color: var(--color-white);
      letter-spacing: -.03em;
      margin-bottom: 24px;
    }

    .hero-title .accent { color: var(--color-accent); }

    .hero-desc {
      font-size: 1.05rem;
      color: rgba(255,255,255,.65);
      max-width: 480px;
      line-height: 1.8;
      margin-bottom: 36px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    /* Trust bar bajo los botones */
    .hero-trust {
      display: flex;
      align-items: center;
      gap: 24px;
      margin-top: 44px;
      padding-top: 36px;
      border-top: 1px solid rgba(255,255,255,.10);
      flex-wrap: wrap;
    }

    .hero-trust-stat {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .hero-trust-stat strong {
      font-family: var(--font-title);
      font-weight: 800;
      font-size: 1.5rem;
      color: var(--color-white);
    }

    .hero-trust-stat span {
      font-size: .78rem;
      color: rgba(255,255,255,.5);
    }

    .hero-trust-divider {
      width: 1px;
      height: 36px;
      background: rgba(255,255,255,.12);
    }

    /* Hero image */
    .hero-visual { position: relative; }

    .hero-img-wrap {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      aspect-ratio: 4/5;
      box-shadow: 0 30px 80px rgba(0,0,0,.5);
    }

    .hero-img-wrap img {
      width: 100%; height: 100%;
      object-fit: cover;
      object-position: center;
    }

    .hero-card-stat {
      position: absolute;
      background: var(--color-white);
      border-radius: var(--radius-md);
      padding: 16px 20px;
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .hero-card-stat.bottom-left { bottom: 28px; left: -28px; }
    .hero-card-stat.top-right   { top: 28px; right: -28px; }

    .stat-icon {
      width: 40px; height: 40px;
      border-radius: var(--radius-sm);
      background: var(--color-accent-light);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .stat-text { line-height: 1.3; }
    .stat-text strong { display: block; font-size: 1.15rem; font-weight: 700; color: var(--color-text); }
    .stat-text span   { font-size: .75rem; color: var(--color-text-muted); }

    /* ============================================================
       COMPROMISOS
    ============================================================ */
    #compromisos {
      padding: var(--section-pad) 0;
      background: var(--color-bg-light);
    }

    .compromisos-header {
      text-align: center;
      margin-bottom: 56px;
    }

    .compromisos-header .section-subtitle { margin-inline: auto; }

    .compromisos-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .compromiso-card {
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      transition: all .3s ease;
      position: relative;
      overflow: hidden;
    }

    .compromiso-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: var(--color-accent);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .35s ease;
    }

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

    .compromiso-card:hover::before { transform: scaleX(1); }

    .card-icon-wrap {
      width: 52px; height: 52px;
      border-radius: var(--radius-md);
      background: var(--color-accent-light);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      margin-bottom: 22px;
      transition: all .3s;
    }

    .compromiso-card:hover .card-icon-wrap {
      background: var(--color-accent);
      color: var(--color-white);
    }

    .compromiso-card h3 {
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 1.1rem;
      margin-bottom: 10px;
      letter-spacing: -.01em;
    }

    .compromiso-card p {
      font-size: .9rem;
      color: var(--color-text-muted);
      line-height: 1.7;
    }

    /* ============================================================
       SERVICIOS
    ============================================================ */
    #servicios {
      padding: var(--section-pad) 0;
      background: var(--color-white);
    }

    .servicios-layout {
      display: grid;
      grid-template-columns: 1fr 2fr;
      gap: 80px;
      align-items: start;
    }

    .servicios-sticky {
      position: sticky;
      top: 100px;
    }

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

    .servicio-card {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      transition: all .3s ease;
    }

    .servicio-card:hover {
      border-color: var(--color-accent);
      box-shadow: 0 0 0 4px var(--color-accent-light), var(--shadow-md);
      transform: translateY(-2px);
    }

    .servicio-icon {
      width: 48px; height: 48px;
      border-radius: var(--radius-sm);
      background: var(--color-bg-light);
      color: var(--color-text);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      margin-bottom: 20px;
      transition: all .3s;
    }

    .servicio-card:hover .servicio-icon {
      background: var(--color-accent);
      color: var(--color-white);
    }

    .servicio-card h3 {
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 10px;
      letter-spacing: -.01em;
    }

    .servicio-card p {
      font-size: .875rem;
      color: var(--color-text-muted);
      line-height: 1.7;
    }

    .servicio-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 14px;
    }

    .tag {
      font-size: .7rem;
      font-weight: 600;
      letter-spacing: .04em;
      background: var(--color-bg-light);
      color: var(--color-text-muted);
      padding: 3px 10px;
      border-radius: 100px;
    }

    .servicio-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 18px;
      font-size: .85rem;
      font-weight: 600;
      color: var(--color-accent);
      transition: gap .2s;
    }

    .servicio-link i { font-size: .75rem; transition: transform .2s; }
    .servicio-link:hover { gap: 12px; }
    .servicio-link:hover i { transform: translateX(2px); }

    .servicio-links {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 20px;
      margin-top: 18px;
    }
    .servicio-links .servicio-link { margin-top: 0; }

    .text-link {
      color: var(--color-accent);
      font-weight: 600;
      text-decoration: underline;
      text-underline-offset: 2px;
    }

    /* ============================================================
       PROYECTOS
    ============================================================ */
    #proyectos {
      padding: var(--section-pad) 0;
      background: var(--color-bg-light);
    }

    .proyectos-header {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      margin-bottom: 52px;
      gap: 24px;
      flex-wrap: wrap;
    }

    .proyectos-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 16px;
    }

    .proyecto-item {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--color-border);
      cursor: pointer;
      border: none;
      padding: 0;
      display: block;
      width: 100%;
      font: inherit;
    }

    .proyecto-item:focus-visible {
      outline: 3px solid var(--color-accent);
      outline-offset: 2px;
    }

    .proyecto-item:nth-child(1) { grid-column: span 7; aspect-ratio: 16/10; }
    .proyecto-item:nth-child(2) { grid-column: span 5; aspect-ratio: 4/3; }
    .proyecto-item:nth-child(3) { grid-column: span 4; aspect-ratio: 1/1; }
    .proyecto-item:nth-child(4) { grid-column: span 4; aspect-ratio: 1/1; }
    .proyecto-item:nth-child(5) { grid-column: span 4; aspect-ratio: 1/1; }

    .proyecto-item img {
      width: 100%; height: 100%;
      object-fit: cover;
      transition: transform .5s ease;
    }

    .proyecto-item:hover img { transform: scale(1.04); }

    .proyecto-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(15,23,42,.8) 0%, transparent 55%);
      opacity: 0;
      transition: opacity .3s;
      display: flex;
      align-items: flex-end;
      padding: 20px;
    }

    .proyecto-item:hover .proyecto-overlay { opacity: 1; }

    .proyecto-label {
      font-size: .8rem;
      font-weight: 600;
      color: var(--color-white);
      letter-spacing: .04em;
    }

    /* Lightbox */
    .lightbox {
      display: none;
      position: fixed;
      inset: 0;
      z-index: 2000;
      background: rgba(15,23,42,.92);
      align-items: center;
      justify-content: center;
      padding: 24px;
    }

    .lightbox.open { display: flex; }

    .lightbox-content {
      max-width: min(90vw, 1000px);
      max-height: 90vh;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .lightbox-content img {
      max-width: 100%;
      max-height: 80vh;
      width: auto;
      height: auto;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      object-fit: contain;
    }

    .lightbox-content figcaption {
      text-align: center;
      color: var(--color-white);
      font-size: .9rem;
      font-weight: 600;
      letter-spacing: .04em;
    }

    .lightbox-close {
      position: absolute;
      top: 20px; right: 24px;
      width: 44px; height: 44px;
      border-radius: 50%;
      background: rgba(255,255,255,.10);
      border: 1px solid rgba(255,255,255,.2);
      color: var(--color-white);
      font-size: 1.2rem;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: background .2s;
    }

    .lightbox-close:hover { background: rgba(255,255,255,.2); }

    /* ============================================================
       TESTIMONIOS
    ============================================================ */
    #testimonios {
      padding: var(--section-pad) 0;
      background: var(--color-white);
    }

    .testimonios-header {
      text-align: center;
      margin-bottom: 56px;
    }

    .testimonios-header .section-subtitle { margin-inline: auto; }

    .testimonios-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonio-card {
      background: var(--color-bg-light);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      position: relative;
    }

    .testimonio-stars {
      display: flex;
      gap: 3px;
      margin-bottom: 16px;
    }

    .testimonio-stars i { color: #f59e0b; font-size: .9rem; }

    .testimonio-text {
      font-size: .95rem;
      color: var(--color-text);
      line-height: 1.75;
      margin-bottom: 20px;
      font-style: italic;
    }

    .testimonio-autor {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .testimonio-avatar {
      width: 42px; height: 42px;
      border-radius: 50%;
      background: var(--color-accent-light);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-title);
      font-weight: 700;
      font-size: .9rem;
      flex-shrink: 0;
    }

    .testimonio-info strong {
      display: block;
      font-size: .9rem;
      font-weight: 600;
      color: var(--color-text);
    }

    .testimonio-info span {
      font-size: .78rem;
      color: var(--color-text-muted);
    }

    .testimonios-google {
      text-align: center;
      margin-top: 40px;
    }

    .testimonios-google a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: .875rem;
      font-weight: 600;
      color: var(--color-text-muted);
      border: 1px solid var(--color-border);
      padding: 10px 20px;
      border-radius: 100px;
      transition: all .2s;
    }

    .testimonios-google a:hover {
      color: var(--color-text);
      border-color: var(--color-text);
    }

    /* ============================================================
       COBERTURA
    ============================================================ */
    #cobertura {
      padding: var(--section-pad) 0;
      background: var(--color-bg-light);
    }

    .cobertura-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: center;
    }

    .cobertura-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 32px;
    }

    .cobertura-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: .9rem;
      color: var(--color-text-muted);
    }

    .cobertura-item i {
      color: var(--color-accent);
      font-size: .75rem;
      flex-shrink: 0;
    }

    .cobertura-map {
      border-radius: var(--radius-lg);
      overflow: hidden;
      aspect-ratio: 1/1;
      background: var(--color-bg-light);
      border: 1px solid var(--color-border);
      position: relative;
    }

    .cobertura-map iframe {
      width: 100%; height: 100%;
      border: 0;
      display: block;
    }

    /* Fallback si no hay mapa */
    .cobertura-map-placeholder {
      width: 100%; height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 16px;
      color: var(--color-text-muted);
    }

    /* ============================================================
       CONTACTO
    ============================================================ */
    #contacto {
      padding: var(--section-pad) 0;
      background: var(--color-bg-dark);
      position: relative;
      overflow: hidden;
    }

    #contacto::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 50% 60% at 100% 0%, rgba(217,119,6,.08) 0%, transparent 65%);
      pointer-events: none;
    }

    .contacto-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 80px;
      align-items: start;
      position: relative;
      z-index: 1;
    }

    .contacto-intro .section-label {
      background: rgba(217,119,6,.15);
      color: #fcd34d;
    }

    .contacto-intro .section-title { color: var(--color-white); }
    .contacto-intro .section-subtitle { color: rgba(255,255,255,.55); }

    .contacto-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 32px;
    }

    .contacto-features li {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: .9rem;
      color: rgba(255,255,255,.65);
    }

    .contacto-features li i {
      width: 22px; height: 22px;
      background: rgba(217,119,6,.2);
      color: var(--color-accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: .65rem;
      flex-shrink: 0;
    }

    .contacto-direct {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 36px;
    }

    /* Form */
    .form-card {
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.10);
      border-radius: var(--radius-lg);
      padding: 44px;
      backdrop-filter: blur(8px);
    }

    .form-card h3 {
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 1.1rem;
      color: var(--color-white);
      margin-bottom: 6px;
    }

    .form-card .form-subtitle {
      font-size: .875rem;
      color: rgba(255,255,255,.45);
      margin-bottom: 28px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-bottom: 16px;
    }

    .form-group label {
      font-size: .78rem;
      font-weight: 600;
      color: rgba(255,255,255,.55);
      letter-spacing: .04em;
      text-transform: uppercase;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--radius-sm);
      padding: 13px 16px;
      color: var(--color-white);
      font-family: var(--font-body);
      font-size: .9rem;
      transition: border-color .2s;
      outline: none;
      width: 100%;
      -webkit-appearance: none;
    }

    .form-group select option { background: var(--color-bg-dark); color: var(--color-white); }
    .form-group input::placeholder,
    .form-group textarea::placeholder { color: rgba(255,255,255,.25); }

    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
      border-color: var(--color-accent);
      background: rgba(255,255,255,.09);
      box-shadow: 0 0 0 3px rgba(217,119,6,.35);
    }

    .form-group textarea { resize: vertical; min-height: 90px; }

    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

    .form-submit-wrap { margin-top: 20px; }

    .form-submit-wrap .btn-primary {
      width: 100%;
      justify-content: center;
      padding: 16px;
      font-size: 1rem;
    }

    .form-disclaimer {
      font-size: .72rem;
      color: rgba(255,255,255,.5);
      text-align: center;
      margin-top: 12px;
      line-height: 1.5;
    }

    /* Mensaje éxito formulario */
    .form-success {
      display: none;
      text-align: center;
      padding: 40px 20px;
    }

    .form-success.visible { display: block; }

    .form-success-icon {
      width: 72px; height: 72px;
      background: rgba(37,211,102,.15);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      font-size: 1.8rem;
      color: #25d366;
    }

    .form-success h3 {
      font-family: var(--font-title);
      font-weight: 700;
      color: #fff;
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    .form-success p {
      font-size: .875rem;
      color: rgba(255,255,255,.5);
      line-height: 1.7;
    }

    /* Separador o/directo */
    .form-or {
      display: flex;
      align-items: center;
      gap: 12px;
      margin: 20px 0 16px;
    }

    .form-or::before, .form-or::after {
      content: '';
      flex: 1;
      height: 1px;
      background: rgba(255,255,255,.10);
    }

    .form-or span {
      font-size: .72rem;
      color: rgba(255,255,255,.5);
      letter-spacing: .06em;
      text-transform: uppercase;
    }

    .form-whatsapp-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      width: 100%;
      padding: 14px;
      background: rgba(37,211,102,.15);
      border: 1px solid rgba(37,211,102,.3);
      border-radius: var(--radius-sm);
      color: #25d366;
      font-size: .9rem;
      font-weight: 600;
      font-family: var(--font-body);
      cursor: pointer;
      text-decoration: none;
      transition: all .2s;
    }

    .form-whatsapp-btn:hover {
      background: rgba(37,211,102,.25);
    }

    /* ============================================================
       LANDING PAGES (pladur / insonorización / impermeabilización)
    ============================================================ */

    /* Breadcrumb */
    .breadcrumb {
      padding: 100px 0 0;
      font-size: .8rem;
      color: rgba(255,255,255,.45);
    }
    .breadcrumb a { color: rgba(255,255,255,.7); transition: color .2s; }
    .breadcrumb a:hover { color: var(--color-white); }
    .breadcrumb i { font-size: .65rem; margin: 0 8px; }

    /* Page hero (1 columna, más bajo que el de home) */
    .page-hero {
      background: var(--color-bg-dark);
      position: relative;
      overflow: hidden;
      padding-bottom: 70px;
    }
    .page-hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size: 48px 48px;
      pointer-events: none;
    }
    .page-hero .container { position: relative; z-index: 1; }
    .page-hero-content { max-width: 720px; margin-top: 28px; }
    .page-hero-content .hero-title { font-size: clamp(2rem, 4vw, 3rem); }
    .page-hero-content .hero-desc { max-width: 620px; }

    /* Bloques genéricos de contenido (problemas, beneficios, proceso, FAQ) */
    .content-section { padding: var(--section-pad) 0; }
    .content-section.alt { background: var(--color-bg-light); }
    .content-header { max-width: 640px; margin-bottom: 48px; }
    .content-header.center { margin-inline: auto; text-align: center; }

    /* Beneficios / problemas: reutiliza grid de 2-3 columnas con tarjetas tipo compromiso */
    .cards-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
    .cards-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

    /* Proceso de trabajo */
    .proceso-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      counter-reset: paso;
    }
    .proceso-step {
      position: relative;
      padding: 32px 24px 24px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      background: var(--color-white);
    }
    .proceso-step::before {
      counter-increment: paso;
      content: counter(paso);
      display: flex;
      align-items: center;
      justify-content: center;
      width: 36px; height: 36px;
      border-radius: 50%;
      background: var(--color-accent);
      color: var(--color-white);
      font-family: var(--font-title);
      font-weight: 800;
      font-size: .95rem;
      margin-bottom: 18px;
    }
    .proceso-step h3 {
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 8px;
      letter-spacing: -.01em;
    }
    .proceso-step p {
      font-size: .875rem;
      color: var(--color-text-muted);
      line-height: 1.7;
    }

    /* FAQ accordion (nativo con <details>) */
    .faq-list {
      max-width: 760px;
      margin-inline: auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 4px 24px;
      background: var(--color-white);
      transition: border-color .2s;
    }
    .faq-item[open] { border-color: var(--color-accent); }
    .faq-item summary {
      cursor: pointer;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 0;
      font-family: var(--font-title);
      font-weight: 700;
      font-size: .98rem;
      letter-spacing: -.01em;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
      content: '+';
      flex-shrink: 0;
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--color-accent);
      transition: transform .25s;
    }
    .faq-item[open] summary::after { transform: rotate(45deg); }
    .faq-item p {
      font-size: .9rem;
      color: var(--color-text-muted);
      line-height: 1.75;
      padding-bottom: 20px;
    }

    /* CTA final de landing */
    .landing-cta {
      background: var(--color-bg-dark);
      padding: var(--section-pad) 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .landing-cta::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 60% 60% at 50% 0%, rgba(217,119,6,.10) 0%, transparent 65%);
      pointer-events: none;
    }
    .landing-cta .container { position: relative; z-index: 1; }
    .landing-cta h2 { color: var(--color-white); margin-bottom: 14px; }
    .landing-cta p {
      color: rgba(255,255,255,.6);
      max-width: 520px;
      margin: 0 auto 32px;
      font-size: 1.05rem;
    }
    .landing-cta-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    /* Internal links */
    .internal-links {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 24px;
    }
    .internal-links a {
      font-size: .85rem;
      font-weight: 600;
      color: var(--color-accent);
      border: 1px solid var(--color-accent-light);
      background: var(--color-accent-light);
      padding: 8px 16px;
      border-radius: 100px;
      transition: all .2s;
    }
    .internal-links a:hover { background: var(--color-accent); color: var(--color-white); }

    @media (max-width: 1024px) {
      .proceso-steps { grid-template-columns: 1fr 1fr; }
      .cards-grid-3  { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .proceso-steps, .cards-grid-3, .cards-grid-2 { grid-template-columns: 1fr; }
      .breadcrumb { padding-top: 88px; }
    }

    /* ============================================================
       FOOTER
    ============================================================ */
    #footer {
      background: #0f172a;
      padding: 60px 0 32px;
      border-top: 1px solid rgba(255,255,255,.06);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 60px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .footer-desc {
      font-size: .875rem;
      color: rgba(255,255,255,.4);
      line-height: 1.75;
      margin-top: 16px;
      max-width: 280px;
    }

    .footer-contact {
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-top: 24px;
    }

    .footer-contact a {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: .85rem;
      color: rgba(255,255,255,.5);
      transition: color .2s;
    }

    .footer-contact a:hover { color: var(--color-accent); }
    .footer-contact i { width: 16px; color: var(--color-accent); font-size: .8rem; }

    .footer-col h4 {
      font-family: var(--font-title);
      font-weight: 700;
      font-size: .78rem;
      letter-spacing: .08em;
      text-transform: uppercase;
      color: rgba(255,255,255,.5);
      margin-bottom: 18px;
    }

    .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }

    .footer-col a {
      font-size: .875rem;
      color: rgba(255,255,255,.45);
      transition: color .2s;
    }

    .footer-col a:hover { color: var(--color-white); }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 28px;
      gap: 16px;
      flex-wrap: wrap;
    }

    .footer-copy { font-size: .78rem; color: rgba(255,255,255,.55); }

    .footer-legal { display: flex; gap: 20px; }

    .footer-legal a {
      font-size: .78rem;
      color: rgba(255,255,255,.55);
      transition: color .2s;
    }

    .footer-legal a:hover { color: rgba(255,255,255,.6); }

    /* ============================================================
       FLOATING WHATSAPP CTA
    ============================================================ */
    .floating-cta {
      position: fixed;
      bottom: 28px; right: 28px;
      z-index: 900;
      background: #25d366;
      color: var(--color-white);
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px 20px;
      border-radius: 100px;
      font-size: .875rem;
      font-weight: 600;
      font-family: var(--font-body);
      box-shadow: 0 4px 20px rgba(37,211,102,.45);
      cursor: pointer;
      border: none;
      transition: all .25s;
      text-decoration: none;
    }

    .floating-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 28px rgba(37,211,102,.55);
    }

    .floating-cta-icon { font-size: 1.2rem; }

    @media (max-width: 768px) {
      .floating-cta-text { display: none; }
      .floating-cta {
        width: 56px; height: 56px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
      }
    }

    /* ============================================================
       SCROLL REVEAL
    ============================================================ */
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity .6s ease, transform .6s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ============================================================
       RESPONSIVE
    ============================================================ */
    @media (max-width: 1024px) {
      .hero-grid            { grid-template-columns: 1fr; gap: 52px; }
      .hero-img-wrap        { aspect-ratio: 16/9; }
      .hero-card-stat.top-right { top: 16px; right: 16px; }
      .hero-card-stat.bottom-left { bottom: 16px; left: 16px; }
      .servicios-layout     { grid-template-columns: 1fr; gap: 48px; }
      .servicios-sticky     { position: static; }
      .cobertura-inner      { grid-template-columns: 1fr; gap: 48px; }
      .contacto-grid        { grid-template-columns: 1fr; gap: 48px; }
      .footer-grid          { grid-template-columns: 1fr 1fr; gap: 40px; }
      .testimonios-grid     { grid-template-columns: 1fr 1fr; gap: 20px; }
    }

    @media (max-width: 768px) {
      :root { --section-pad: 72px; }

      .nav-links, .nav-cta { display: none; }
      .nav-toggle           { display: flex; }

      .compromisos-grid     { grid-template-columns: 1fr; gap: 16px; }
      .servicios-grid       { grid-template-columns: 1fr; }
      .testimonios-grid     { grid-template-columns: 1fr; }

      .cobertura-map        { aspect-ratio: 4/3; }

      .proyectos-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
      .proyecto-item  { grid-column: span 1 !important; aspect-ratio: 4/3 !important; }

      .form-card        { padding: 28px 20px; }
      .form-row         { grid-template-columns: 1fr; }

      .footer-grid      { grid-template-columns: 1fr; gap: 36px; }
      .footer-bottom    { flex-direction: column; align-items: flex-start; gap: 12px; }

      .hero-card-stat.top-right { display: none; }
      .hero-trust       { gap: 16px; }
    }

    @media (max-width: 480px) {
      .hero-actions   { flex-direction: column; align-items: stretch; }
      .hero-actions .btn { justify-content: center; }
      .proyectos-grid { grid-template-columns: 1fr; }
      .cobertura-list { grid-template-columns: 1fr; }
    }