/* ===================== RESET & BASE ===================== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --primary: #c0392b;
      --primary-dark: #96281b;
      --primary-light: #fdf2f2;
      --secondary: #2c3e50;
      --accent: #e74c3c;
      --success: #27ae60;
      --text: #1a1a2e;
      --text-light: #555;
      --text-muted: #888;
      --border: #e8e8e8;
      --bg: #fff;
      --bg-alt: #f8f9fa;
      --radius: 12px;
      --shadow: 0 2px 16px rgba(0,0,0,.08);
      --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
      --transition: .2s ease;
    }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
      color: var(--text);
      background: var(--bg);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
    a:hover { color: var(--primary-dark); }
    img { max-width: 100%; height: auto; display: block; }
    address { font-style: normal; }
    ul { list-style: none; }

    /* ===================== SKIP LINK ===================== */
    .skip-to-content {
      position: absolute; top: -100px; left: 16px; background: var(--primary);
      color: #fff; padding: 8px 16px; border-radius: 4px; z-index: 9999; font-size: .9rem;
    }
    .skip-to-content:focus { top: 16px; }

    /* ===================== CONTAINER ===================== */
    .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

    /* ===================== HEADER ===================== */
    .site-header {
      background: #fff;
      border-bottom: 3px solid var(--primary);
      position: sticky; top: 0; z-index: 1000;
      box-shadow: 0 2px 12px rgba(0,0,0,.08);
    }
    .header-content { display: flex; align-items: center; gap: 24px; padding: 14px 0; }
    .logo { flex-shrink: 0; }
    .logo-text { font-size: 1.25rem; font-weight: 800; color: var(--primary); letter-spacing: -.5px; }
    .main-nav { margin-left: auto; }
    .main-nav ul { display: flex; gap: 4px; flex-wrap: wrap; }
    .main-nav a {
      padding: 6px 12px; border-radius: 6px; font-size: .875rem; font-weight: 500;
      color: var(--secondary); transition: all var(--transition);
    }
    .main-nav a:hover { background: var(--primary-light); color: var(--primary); }
    .header-cta { flex-shrink: 0; }
    .cta-phone {
      display: flex; align-items: center; gap: 8px;
      background: var(--primary); color: #fff; padding: 10px 18px;
      border-radius: 8px; font-weight: 700; font-size: .9rem;
      transition: background var(--transition);
    }
    .cta-phone:hover { background: var(--primary-dark); color: #fff; }
    .hamburger-menu {
      display: none; background: none; border: none; font-size: 1.5rem;
      cursor: pointer; color: var(--secondary); padding: 4px;
      margin-left: auto;
    }

    /* ===================== BREADCRUMB ===================== */
    .breadcrumb { background: var(--bg-alt); padding: 10px 0; border-bottom: 1px solid var(--border); }
    .breadcrumb ul { display: flex; gap: 8px; font-size: .85rem; }
    .breadcrumb li { color: var(--text-muted); }
    .breadcrumb li:not(:last-child)::after { content: '›'; margin-left: 8px; }
    .breadcrumb a { color: var(--primary); }

    /* ===================== HERO ===================== */
    .hero-section {
      background: linear-gradient(135deg, #1a0a0a 0%, #2c0b0b 40%, #c0392b 100%);
      color: #fff; padding: 72px 0 60px;
      position: relative; overflow: hidden;
    }
    .hero-section::before {
      content: ''; position: absolute; inset: 0;
      background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
      pointer-events: none;
    }
    .hero-section .container { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; position: relative; }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
      padding: 6px 16px; border-radius: 20px; font-size: .85rem;
      font-weight: 600; margin-bottom: 20px; backdrop-filter: blur(8px);
    }
    .hero-section h1 {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 800; line-height: 1.2; margin-bottom: 16px;
    }
    .hero-section h1 em { font-style: normal; color: #ffc0c0; }
    .hero-subtitle { font-size: 1.05rem; opacity: .9; margin-bottom: 28px; line-height: 1.7; }
    .hero-subtitle strong { color: #ffc0c0; }
    .hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }
    .hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .hero-stat {
      background: rgba(255,255,255,.1); border-radius: 10px;
      padding: 14px 10px; text-align: center; backdrop-filter: blur(4px);
      border: 1px solid rgba(255,255,255,.15);
    }
    .hero-stat strong { display: block; font-size: 1.5rem; font-weight: 800; }
    .hero-stat span { font-size: .78rem; opacity: .8; }
    .hero-image img { border-radius: 16px; box-shadow: 0 16px 48px rgba(0,0,0,.3); }

    /* ===================== BUTTONS ===================== */
    .btn {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 12px 22px; border-radius: 8px; font-weight: 700;
      font-size: .9rem; cursor: pointer; border: none;
      text-decoration: none; transition: all var(--transition);
    }
    .btn-primary { background: var(--primary); color: #fff; }
    .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(192,57,43,.4); }
    .btn-secondary { background: rgba(255,255,255,.15); color: #fff; border: 1px solid rgba(255,255,255,.3); }
    .btn-secondary:hover { background: rgba(255,255,255,.25); color: #fff; }
    .btn-success { background: var(--success); color: #fff; }
    .btn-success:hover { background: #1e8449; color: #fff; }
    .btn-lg { padding: 14px 26px; font-size: 1rem; }
    .btn-sm { padding: 8px 16px; font-size: .85rem; }

    /* ===================== TRUST BADGES ===================== */
    .trust-badges { background: var(--bg-alt); padding: 20px 0; border-bottom: 1px solid var(--border); }
    .badges-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .badge-item {
      display: flex; align-items: center; gap: 12px;
      background: #fff; padding: 14px 18px; border-radius: 10px;
      border: 1px solid var(--border); box-shadow: var(--shadow);
    }
    .badge-icon { font-size: 1.75rem; flex-shrink: 0; }
    .badge-text strong { display: block; font-size: .9rem; color: var(--text); }
    .badge-text span { font-size: .78rem; color: var(--text-muted); }

    /* ===================== MAIN CONTENT ===================== */
    main { padding: 40px 0; }
    .content-section { margin-bottom: 56px; }
    .section-label {
      display: inline-block; background: var(--primary-light); color: var(--primary);
      font-size: .78rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: 1px; padding: 4px 12px; border-radius: 20px; margin-bottom: 12px;
    }
    .content-section h2 {
      font-size: clamp(1.4rem, 2.5vw, 1.9rem);
      font-weight: 800; color: var(--secondary); margin-bottom: 18px; line-height: 1.3;
    }
    .content-section h3 {
      font-size: 1.15rem; font-weight: 700; color: var(--secondary); margin: 20px 0 10px;
    }
    .content-section p { color: var(--text-light); margin-bottom: 14px; line-height: 1.75; }
    .content-section ul li { color: var(--text-light); padding: 4px 0; line-height: 1.6; }
    .cta-link { color: var(--primary); font-weight: 700; }
    .cta-link:hover { text-decoration: underline; }

    /* ===================== FEATURE GRID ===================== */
    .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 28px 0; }
    .feature-card {
      background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
      padding: 24px; box-shadow: var(--shadow);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
    .feature-icon { font-size: 2rem; margin-bottom: 12px; }
    .feature-card h3 { font-size: 1rem; margin: 0 0 8px; }
    .feature-card p { font-size: .9rem; color: var(--text-light); margin: 0; }

    /* ===================== SERVICE CARDS ===================== */
    .service-card {
      display: flex; gap: 24px; background: #fff; border: 1px solid var(--border);
      border-radius: var(--radius); padding: 28px; margin-bottom: 20px;
      box-shadow: var(--shadow);
    }
    .service-icon { font-size: 2.5rem; flex-shrink: 0; }
    .service-content { flex: 1; }
    .service-content h3 { font-size: 1.2rem; margin: 0 0 10px; }
    .service-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
    .service-tag {
      background: var(--primary-light); color: var(--primary);
      font-size: .75rem; font-weight: 600; padding: 3px 10px; border-radius: 20px;
    }
    .service-content ul { margin: 12px 0; }
    .service-content li { font-size: .9rem; padding: 3px 0; }
    .service-highlight {
      background: #fff8e1; border-left: 3px solid #f39c12;
      padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 16px 0;
    }
    .service-highlight p { font-size: .9rem; margin: 0; color: var(--text); }
    .service-price-box {
      background: var(--bg-alt); border-radius: 8px; padding: 14px 18px; margin: 16px 0;
    }
    .service-price-box p { margin: 0; font-size: .9rem; }
    .service-price-box .note { font-size: .8rem; color: var(--text-muted); margin-top: 4px; }

    /* ===================== FAULT CARDS ===================== */
    .faults-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 24px 0; }
    .fault-card {
      background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
      padding: 24px; box-shadow: var(--shadow);
    }
    .fault-header { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
    .fault-header h3 { font-size: 1rem; flex: 1; margin: 0; }
    .fault-badge {
      font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 20px;
      white-space: nowrap; flex-shrink: 0;
    }
    .fault-badge.critical { background: #fde8e8; color: #c0392b; }
    .fault-badge.warning { background: #fef9e7; color: #d68910; }
    .fault-badge.common { background: #e8f8f5; color: #1a8a6d; }
    .fault-card h4 { font-size: .9rem; margin: 14px 0 6px; color: var(--secondary); }
    .fault-card p, .fault-card li { font-size: .875rem; color: var(--text-light); }

    /* ===================== PRICING ===================== */
    .pricing-table { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin: 24px 0; }
    .pricing-row {
      display: flex; justify-content: space-between; align-items: center;
      padding: 14px 20px; font-size: .9rem;
    }
    .pricing-row:nth-child(even) { background: var(--bg-alt); }
    .pricing-row:not(:last-child) { border-bottom: 1px solid var(--border); }
    .pricing-note { font-size: .82rem; color: var(--text-muted); }

    /* ===================== REVIEWS ===================== */
    .reviews-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 24px 0; }
    .review-card {
      background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
      padding: 24px; box-shadow: var(--shadow);
    }
    .review-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; }
    .reviewer-info strong { display: block; font-size: .95rem; }
    .review-location { font-size: .8rem; color: var(--text-muted); }
    .stars { color: #f39c12; letter-spacing: 2px; }
    .rating-num { font-size: .8rem; color: var(--text-muted); }
    .review-body { font-size: .9rem; color: var(--text-light); line-height: 1.7; margin-bottom: 10px; }
    .review-date { font-size: .78rem; color: var(--text-muted); }
    .review-cta { text-align: center; margin-top: 24px; }

    /* ===================== TEAM ===================== */
    .team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 24px 0; }
    .team-card {
      background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
      padding: 24px; box-shadow: var(--shadow); text-align: center;
    }
    .team-card h3 { font-size: 1.1rem; margin-bottom: 4px; }
    .team-role { font-size: .85rem; color: var(--primary); font-weight: 600; margin-bottom: 4px; }
    .team-experience { font-size: .8rem; color: var(--text-muted); margin-bottom: 12px; }
    .cert-badges { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
    .cert-badge {
      background: var(--primary-light); color: var(--primary);
      font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 20px;
    }
    .team-bio { font-size: .85rem; color: var(--text-light); line-height: 1.65; }

    /* ===================== AREAS ===================== */
    .areas-tabs { display: flex; gap: 8px; margin-bottom: 20px; }
    .area-tab {
      background: var(--bg-alt); border: 1px solid var(--border);
      padding: 10px 20px; border-radius: 8px; cursor: pointer; font-size: .9rem;
      font-weight: 600; transition: all var(--transition);
    }
    .area-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
    .area-list { display: none; }
    .area-list.active { display: block; }
    .areas-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
    .areas-grid a {
      display: block; background: var(--bg-alt); border: 1px solid var(--border);
      padding: 10px 14px; border-radius: 8px; font-size: .85rem; color: var(--secondary);
      transition: all var(--transition); font-weight: 500;
    }
    .areas-grid a:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }

    /* ===================== CONTACT ===================== */
    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 24px; }
    .contact-info h3 { margin-bottom: 20px; }
    .contact-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px; color: var(--text-light); font-size: .9rem; }
    .contact-item svg { color: var(--primary); flex-shrink: 0; margin-top: 2px; }
    .contact-cta-box {
      background: var(--primary); color: #fff;
      border-radius: var(--radius); padding: 32px; display: flex;
      flex-direction: column; justify-content: center;
    }
    .contact-cta-box h3 { color: #fff; margin-bottom: 14px; }
    .contact-cta-box p { color: rgba(255,255,255,.85); font-size: .95rem; margin-bottom: 24px; }
    .cta-buttons { display: flex; gap: 12px; flex-wrap: wrap; }

    /* ===================== CTA BOXES ===================== */
    .cta-box {
      background: linear-gradient(135deg, var(--primary-light), #fde8e8);
      border: 1px solid #f5c6c6; border-radius: var(--radius);
      padding: 24px 28px; margin: 24px 0;
    }
    .cta-box p { font-size: .95rem; margin-bottom: 8px; }
    .cta-box p:last-child { margin-bottom: 0; }
    .cta-box-light {
      background: var(--bg-alt); border: 1px solid var(--border);
      border-radius: var(--radius); padding: 24px 28px; margin-top: 24px;
      text-align: center;
    }
    .cta-box-light h3 { margin-bottom: 8px; }
    .cta-box-light p { font-size: .95rem; }

    /* ===================== FIXED ELEMENTS ===================== */
    .fixed-whatsapp { position: fixed; bottom: 80px; right: 20px; z-index: 999; }
    .whatsapp-float {
      display: flex; align-items: center; justify-content: center;
      width: 52px; height: 52px; background: #25d366; border-radius: 50%;
      box-shadow: 0 4px 16px rgba(37,211,102,.4);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 24px rgba(37,211,102,.5); }
    .call-button-fixed {
      position: fixed; bottom: 20px; right: 20px; z-index: 999;
      background: var(--primary); color: #fff;
      display: flex; align-items: center; gap: 8px;
      padding: 12px 20px; border-radius: 30px; font-weight: 700;
      font-size: .9rem; border: none; cursor: pointer;
      box-shadow: 0 4px 16px rgba(192,57,43,.4);
      transition: all var(--transition);
    }
    .call-button-fixed:hover { background: var(--primary-dark); transform: translateY(-2px); }

    /* ===================== FOOTER ===================== */
    .site-footer {
      background: var(--secondary); color: rgba(255,255,255,.85);
      padding: 48px 0 24px;
    }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
    .footer-brand h3, .footer-section h3 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
    .footer-brand p { font-size: .875rem; line-height: 1.65; }
    .footer-section ul { display: flex; flex-direction: column; gap: 8px; }
    .footer-section a { color: rgba(255,255,255,.7); font-size: .875rem; transition: color var(--transition); }
    .footer-section a:hover { color: #fff; }
    .footer-section address p { font-size: .875rem; margin-bottom: 6px; }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.1);
      padding-top: 20px; text-align: center;
      font-size: .82rem; color: rgba(255,255,255,.5);
    }
    .footer-bottom a { color: rgba(255,255,255,.6); }
    .social-links { flex-direction: row !important; flex-wrap: wrap; gap: 12px !important; }

    /* ===================== RESPONSIVE ===================== */
    @media (max-width: 1024px) {
      .feature-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .hero-section .container { grid-template-columns: 1fr; }
      .hero-image { display: none; }
      .hero-stats { grid-template-columns: repeat(2, 1fr); }
      .badges-grid { grid-template-columns: repeat(2, 1fr); }
      .feature-grid { grid-template-columns: 1fr; }
      .faults-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .team-grid { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .areas-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr; }
      .service-card { flex-direction: column; }
      .main-nav { display: none; }
      .main-nav.open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-top: 1px solid var(--border); padding: 16px; box-shadow: 0 4px 16px rgba(0,0,0,.1); }
      .main-nav.open ul { flex-direction: column; }
      .hamburger-menu { display: block; }
      .header-content { flex-wrap: wrap; position: relative; }
    }
    @media (max-width: 480px) {
      .hero-stats { grid-template-columns: repeat(2, 1fr); }
      .badges-grid { grid-template-columns: 1fr; }
      .areas-grid { grid-template-columns: 1fr 1fr; }
    }

    /* ===================== PRINT OPTIMIZATIONS ===================== */
    @media print {
      .site-header, .fixed-whatsapp, .call-button-fixed, .hero-cta { display: none; }
    }