
  :root {
    --orange: #F7941D;
    --orange-dark: #d97c0f;
    --orange-light: #fdb347;
    --navy: #1a2e5a;
    --navy-dark: #0d1e3a;
    --navy-mid: #243d78;
    --gray-light: #f7f8fa;
    --gray-mid: #8892a4;
    --gray-text: #4a5568;
    --white: #fff;
    --border: #e8ecf2;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Inter', sans-serif;
    color: var(--gray-text);
    font-size: 15px;
    line-height: 1.75;
    background: #fff;
  }

  /* ===== SCROLLBAR ===== */
  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: #f0f0f0; }
  ::-webkit-scrollbar-thumb { background: var(--orange); border-radius: 3px; }

  /* ===== NAVBAR ===== */
  nav {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--border), 0 4px 20px rgba(0,0,0,0.06);
    padding: 0 48px;
    display: flex; align-items: center; justify-content: space-between;
    height: 74px;
  }
  .logo-area {
    display: flex; align-items: center; gap: 14px;
  }
  .logo-area img {
    height: 52px; width: auto; display: block;
  }
  .logo-divider {
    width: 1px; height: 32px; background: var(--border);
  }
  .logo-tagline {
    font-family: 'Montserrat', sans-serif;
    font-size: 10px; font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--gray-mid);
    line-height: 1.4;
    max-width: 130px;
  }

  .nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
  .nav-links a {
    text-decoration: none; color: #374151;
    font-size: 13px; font-family: 'Montserrat', sans-serif;
    font-weight: 600; padding: 7px 14px; border-radius: 6px;
    transition: all 0.2s; display: flex; align-items: center; gap: 6px;
    letter-spacing: 0.2px;
  }
  .nav-links a:hover { color: var(--orange); background: rgba(247,148,29,0.07); }
  .nav-links .btn-nav {
    background: var(--orange); color: #fff !important;
    padding: 9px 20px; border-radius: 8px; font-weight: 700;
    box-shadow: 0 2px 8px rgba(247,148,29,0.35);
  }
  .nav-links .btn-nav:hover {
    background: var(--orange-dark) !important;
    box-shadow: 0 4px 16px rgba(247,148,29,0.45);
    transform: translateY(-1px);
  }

  /* ===== HAMBURGER ===== */
  .hamburger {
    display: none; flex-direction: column; gap: 5px;
    cursor: pointer; background: none; border: none; padding: 6px; z-index: 1100;
  }
  .hamburger span {
    display: block; width: 26px; height: 2.5px;
    background: var(--navy); border-radius: 2px; transition: all 0.3s;
  }
  .hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

  /* ===== HERO / BANNER ===== */
  #inicio {
    position: relative; overflow: hidden;
    height: 580px;
  }
  .banner-slider { position: relative; width: 100%; height: 100%; }
  .banner-slide {
    position: absolute; inset: 0; opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex; align-items: center;
  }
  .banner-slide.active { opacity: 1; }
  .banner-text {
    position: relative; z-index: 2;
    padding: 0 80px 0;
    max-width: 820px;
    animation: slideUp 0.8s ease forwards;
  }
  @keyframes slideUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .banner-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(247,148,29,0.2);
    border: 1px solid rgba(247,148,29,0.4);
    border-radius: 100px;
    padding: 5px 14px; margin-bottom: 20px;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px; font-weight: 700;
    letter-spacing: 1.5px; text-transform: uppercase;
    color: var(--orange-light);
  }
  .banner-eyebrow::before {
    content: ''; width: 6px; height: 6px;
    border-radius: 50%; background: var(--orange);
    animation: pulse-dot 2s infinite;
  }
  @keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.7); }
  }

  .banner-text h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 52px; font-weight: 900;
    color: #fff; line-height: 1.1;
    margin-bottom: 18px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.25);
    letter-spacing: -0.5px;
  }
  .banner-text h1 span { color: var(--orange); }
  .banner-text p {
    font-size: 16px; color: rgba(255,255,255,0.85);
    margin-bottom: 32px; max-width: 520px;
    line-height: 1.7;
  }
  .btn-hero {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--orange); color: #fff;
    padding: 14px 28px; border-radius: 8px;
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; font-size: 14px;
    letter-spacing: 0.3px;
    box-shadow: 0 4px 20px rgba(247,148,29,0.45);
    transition: all 0.25s;
  }
  .btn-hero::after { content: '→'; }
  .btn-hero:hover {
    background: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(247,148,29,0.5);
  }

  .banner-dots {
    position: absolute; bottom: 28px; left: 80px;
    display: flex; gap: 8px; z-index: 10;
  }
  .dot {
    width: 28px; height: 4px; border-radius: 2px;
    background: rgba(255,255,255,0.35);
    cursor: pointer; transition: all 0.3s;
  }
  .dot.active { background: var(--orange); width: 44px; }

  .banner-arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    background: rgba(255,255,255,0.12);
    border: 1.5px solid rgba(255,255,255,0.35);
    color: #fff; font-size: 18px; width: 46px; height: 46px;
    border-radius: 50%; cursor: pointer; z-index: 10;
    transition: all 0.2s; display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(8px);
  }
  .banner-arrow:hover { background: var(--orange); border-color: var(--orange); }
  .banner-prev { left: 28px; }
  .banner-next { right: 28px; }

  /* ===== SECTION SHARED ===== */
  section { scroll-margin-top: 74px; }

  .section-tag {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(26,46,90,0.07);
    border: 1px solid rgba(26,46,90,0.12);
    color: var(--navy); font-size: 11px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; letter-spacing: 1.5px;
    text-transform: uppercase; padding: 6px 14px;
    border-radius: 100px; margin-bottom: 16px;
  }
  .section-tag::before {
    content: ''; width: 5px; height: 5px;
    border-radius: 50%; background: var(--orange);
  }

  h2 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800; font-size: 32px;
    color: #111827; line-height: 1.25;
    margin-bottom: 18px; letter-spacing: -0.3px;
  }

  /* ===== TWO-COL ===== */
  .two-col { display: grid; grid-template-columns: 1fr 1fr; min-height: 540px; }
  .two-col .img-side { background-size: cover; background-position: center; position: relative; }
  .two-col .text-side {
    padding: 80px 64px; display: flex;
    flex-direction: column; justify-content: center;
  }

  /* ===== QUIENES ===== */
  #quienes .text-side p {
    color: var(--gray-text); line-height: 1.8; font-size: 15px;
  }

  .features-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 36px; }
  .feature-card {
    padding: 24px 20px; border-radius: 0;
    border-top: 2px solid var(--border);
    transition: border-color 0.2s;
  }
  .feature-card:hover { border-top-color: var(--orange); }
  .feature-icon-wrap {
    width: 40px; height: 40px; border-radius: 10px;
    background: rgba(247,148,29,0.1);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px;
  }
  .feature-icon-wrap svg { width: 20px; height: 20px; stroke: var(--orange); }
  .feature-card h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; font-size: 13px;
    color: #1f2937; margin-bottom: 8px;
  }
  .feature-card p { font-size: 12.5px; color: #6b7280; line-height: 1.65; }

  .btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    margin-top: 32px;
    border: 2px solid var(--navy); color: var(--navy);
    padding: 11px 24px; border-radius: 8px; text-decoration: none;
    font-family: 'Montserrat', sans-serif; font-weight: 700;
    font-size: 12px; letter-spacing: 0.8px; text-transform: uppercase;
    transition: all 0.2s; align-self: flex-start;
  }
  .btn-outline:hover { background: var(--navy); color: #fff; gap: 12px; }

  /* ===== STATS BAND ===== */
  .stats-band {
    background: var(--navy);
    padding: 64px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 60px; align-items: center;
    position: relative; overflow: hidden;
  }
  .stats-band::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 10% 50%, rgba(247,148,29,0.15) 0%, transparent 60%),
                radial-gradient(circle at 90% 50%, rgba(247,148,29,0.08) 0%, transparent 50%);
  }
  .stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 100px; font-weight: 900;
    color: #fff; line-height: 1;
    position: relative; z-index: 1;
  }
  .stat-number span { color: var(--orange); }
  .stats-text { position: relative; z-index: 1; }
  .stat-label {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800; font-size: 20px;
    color: var(--orange); margin-bottom: 14px;
  }
  .stat-desc { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.8; }
  .stats-img-side {
    position: relative; z-index: 1;
    background: url('https://images.unsplash.com/photo-1565843708714-52ecf69ab81f?w=600') center/cover;
    height: 240px; border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    min-width: 260px;
  }

  /* ===== SERVICIOS SECTION ===== */
  #servicios {
    background: linear-gradient(135deg, #1a2e5a 0%, #0d1e3a 100%);
    padding: 80px 0; position: relative; overflow: hidden;
  }
  #servicios::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(247,148,29,0.15) 0%, transparent 50%);
  }
  .services-inner {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 0; max-width: 1200px; margin: 0 auto; padding: 0 60px;
    position: relative; z-index: 1;
  }
  .services-left { padding-right: 64px; }

  .services-left .service-badge {
    display: inline-flex; align-items: center; gap: 8px;
    border: 1px solid rgba(247,148,29,0.4);
    background: rgba(247,148,29,0.1);
    color: var(--orange-light);
    font-family: 'Montserrat', sans-serif;
    font-size: 11px; font-weight: 700;
    letter-spacing: 1.5px; text-transform: uppercase;
    padding: 6px 14px; border-radius: 100px;
    margin-bottom: 20px;
  }

  .services-left h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800; font-size: 26px;
    color: #fff; margin-bottom: 14px; line-height: 1.25;
  }
  .services-left p { color: rgba(255,255,255,0.75); font-size: 14px; line-height: 1.8; margin-bottom: 24px; }
  .services-left h3.policy {
    margin-top: 36px; font-size: 16px;
    color: var(--orange-light);
    padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.1);
  }

  /* ===== ACCORDION ===== */
  .service-accordion { border-top: 1px solid rgba(255,255,255,0.12); }
  .accordion-item { border-bottom: 1px solid rgba(255,255,255,0.12); }
  .accordion-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 22px 0; cursor: pointer; color: #fff;
    font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 16px;
    transition: color 0.2s; user-select: none;
  }
  .accordion-header:hover { color: var(--orange-light); }
  .acc-icon {
    width: 32px; height: 32px; border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.3);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 300; flex-shrink: 0;
    transition: all 0.3s; color: #fff;
  }
  .accordion-header.open .acc-icon {
    transform: rotate(45deg);
    background: var(--orange); border-color: var(--orange);
  }
  .accordion-body {
    display: none; padding-bottom: 24px;
    color: rgba(255,255,255,0.78); font-size: 14px; line-height: 1.8;
  }
  .accordion-body.show { display: block; }
  .btn-service {
    display: inline-flex; align-items: center; gap: 6px;
    margin-top: 16px; background: var(--orange); color: #fff;
    padding: 9px 22px; border-radius: 6px; text-decoration: none;
    font-family: 'Montserrat', sans-serif; font-weight: 700;
    font-size: 12px; letter-spacing: 0.8px; text-transform: uppercase;
    transition: all 0.2s;
  }
  .btn-service:hover { background: var(--orange-dark); transform: translateX(2px); }

  /* ===== POR QUE SECTION ===== */
  .porque-section {
    background: var(--gray-light);
    padding: 80px 60px;
    position: relative;
  }
  .porque-inner {
    max-width: 900px; margin: 0 auto;
  }
  .porque-inner p {
    font-size: 15px; color: var(--gray-text); line-height: 1.85;
  }
  .porque-inner p + p { margin-top: 16px; }
  .porque-divider {
    border: none; border-top: 1px solid var(--border);
    margin: 32px 0;
  }

  /* ===== TECH SECTION ===== */
  .tech-section-two-col .img-side {
    background: linear-gradient(rgba(8,18,45,0.6), rgba(8,18,45,0.6)),
    url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=800') center/cover;
    position: relative;
  }
  .tech-grid { margin-top: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
  .tech-item {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 20px; border-radius: 10px;
    background: var(--gray-light);
    border: 1px solid var(--border);
    transition: all 0.2s;
  }
  .tech-item:hover {
    border-color: rgba(247,148,29,0.3);
    box-shadow: 0 4px 16px rgba(247,148,29,0.1);
    transform: translateY(-2px);
  }
  .tech-icon-wrap {
    width: 38px; height: 38px; flex-shrink: 0;
    border-radius: 9px; background: rgba(26,46,90,0.08);
    display: flex; align-items: center; justify-content: center;
  }
  .tech-icon-wrap svg { width: 18px; height: 18px; stroke: var(--navy); }
  .tech-item h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; font-size: 13px; color: #1f2937; margin-bottom: 6px;
  }
  .tech-item p { font-size: 12.5px; color: #6b7280; line-height: 1.65; }

  /* ===== SERVICE TABS ===== */
  .service-tabs-section { padding: 80px 60px; background: #fff; }
  .tabs-nav {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 0; margin-bottom: 52px;
    background: var(--gray-light);
    border-radius: 12px; overflow: hidden;
    border: 1px solid var(--border);
    padding: 6px;
    gap: 4px;
  }
  .tab-btn {
    padding: 16px 12px; text-align: center; cursor: pointer;
    border: none; background: none;
    font-family: 'Montserrat', sans-serif; font-weight: 700;
    font-size: 12px; color: #6b7280;
    transition: all 0.25s; display: flex;
    flex-direction: column; align-items: center; gap: 8px;
    border-radius: 8px; letter-spacing: 0.3px;
  }
  .tab-btn svg { opacity: 0.45; width: 22px; height: 22px; transition: opacity 0.25s; }
  .tab-btn.active {
    background: var(--navy); color: #fff;
    box-shadow: 0 4px 12px rgba(26,46,90,0.25);
  }
  .tab-btn.active svg { opacity: 1; filter: brightness(0) invert(1); }
  .tab-btn:hover:not(.active) { background: #fff; color: var(--navy); }

  .tab-content { display: none; }
  .tab-content.active { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
  .tab-content h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800; font-size: 28px;
    color: #111827; margin-bottom: 20px; line-height: 1.25;
  }
  .tab-content p { font-size: 14.5px; color: #6b7280; margin-bottom: 14px; line-height: 1.8; }
  .tab-content img {
    width: 100%; height: 300px; object-fit: cover;
    border-radius: 14px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.12);
  }
  .tab-orange-bar {
    width: 48px; height: 4px; background: var(--orange);
    border-radius: 2px; margin-bottom: 22px;
  }

  /* ===== CTA BAND ===== */
  .cta-band {
    background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
    padding: 32px 60px; text-align: center;
    display: flex; align-items: center; justify-content: center; gap: 20px;
  }
  .cta-band::before { content: '→'; color: rgba(255,255,255,0.5); font-size: 20px; }
  .cta-band a {
    color: #fff; font-family: 'Montserrat', sans-serif;
    font-weight: 700; font-size: 17px; text-decoration: none; letter-spacing: 0.3px;
  }
  .cta-band a:hover { text-decoration: underline; }

  /* ===== SUCURSALES ===== */
  #sucursales .text-side h2 { font-size: 30px; }
  #sucursales .text-side p { font-size: 15px; color: var(--gray-text); line-height: 1.8; }
  .chile-map-side {
    background: #eaecf0;
    display: flex; align-items: center; justify-content: center;
    padding: 20px 16px 28px; min-height: 560px; overflow: hidden;
    position: relative;
  }
  .chile-map-wrap { display: flex; flex-direction: column; align-items: center; gap: 14px; width: 100%; height: 100%; }
  .chile-img-container {
    position: relative; width: 100%; max-width: 360px; flex: 1;
    display: flex; align-items: center; justify-content: center;
  }
  .chile-real-img { width: auto; height: 100%; max-height: 560px; max-width: 360px; display: block; object-fit: contain; }

  .pulse-dot { position: absolute; width: 16px; height: 16px; transform: translate(-50%, -50%); }
  .pulse-dot::before {
    content: ''; position: absolute; inset: 3px;
    background: var(--navy); border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.9), 0 0 8px rgba(26,46,90,0.6);
  }
  .pulse-dot.pulse-dot--orange::before {
    background: var(--orange);
    box-shadow: 0 0 0 2px rgba(255,255,255,0.9), 0 0 10px rgba(247,148,29,0.8);
  }
  .pulse-ring {
    position: absolute; inset: -5px;
    border: 2px solid var(--navy); border-radius: 50%;
    animation: pulseRing 2.4s ease-out infinite;
  }
  .pulse-dot.pulse-dot--orange .pulse-ring {
    border-color: var(--orange);
  }
  @keyframes pulseRing {
    0%   { transform: scale(1);   opacity: 0.8; }
    100% { transform: scale(2.8); opacity: 0; }
  }
  .map-legend {
    display: flex; flex-direction: row; gap: 20px;
    align-items: center; justify-content: center;
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(8px);
    border-radius: 100px; padding: 10px 22px;
    border: 1px solid rgba(255,255,255,0.95);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  }
  .legend-item {
    display: flex; align-items: center; gap: 10px;
    font-size: 12px; color: #374151;
    font-family: 'Montserrat', sans-serif; font-weight: 600;
  }
  .legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
  .legend-dot.orange { background: var(--orange); box-shadow: 0 0 6px rgba(247,148,29,0.5); }
  .legend-dot.navy  { background: var(--navy); }

  /* ===== TRABAJA ===== */
  #trabaja .two-col .img-side {
    background: linear-gradient(rgba(13,30,58,0.3), rgba(13,30,58,0.2)),
    url('https://images.unsplash.com/photo-1521791136064-7986c2920216?w=800') center/cover;
    min-height: 520px;
  }

  /* ===== FORMS ===== */
  .form-group { margin-bottom: 20px; }
  .form-group label {
    display: block; font-size: 12.5px; color: #374151;
    margin-bottom: 7px; font-weight: 600; letter-spacing: 0.2px;
  }
  .form-group input,
  .form-group textarea,
  .form-group select {
    width: 100%;
    border: 1.5px solid var(--border);
    background: var(--gray-light);
    border-radius: 8px;
    padding: 11px 14px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    color: #1f2937;
    outline: none;
    transition: all 0.2s;
    appearance: none;
    -webkit-appearance: none;
  }
  .form-group input::placeholder,
  .form-group textarea::placeholder { color: #9ca3af; }
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    border-color: var(--orange);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(247,148,29,0.1);
  }
  .form-group textarea { height: 100px; resize: vertical; }
  .btn-submit {
    background: var(--navy); color: #fff; border: none;
    padding: 13px 28px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; font-size: 13px;
    cursor: pointer; border-radius: 8px;
    transition: all 0.2s; letter-spacing: 0.5px;
  }
  .btn-submit:hover {
    background: var(--orange);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(247,148,29,0.35);
  }
  .btn-submit:disabled { opacity: 0.65; cursor: not-allowed; transform: none !important; }

  /* Form validation */
  .req-star { color: var(--orange); font-weight: 700; }
  .form-error { display: block; font-size: 12px; color: #dc2626; margin-top: 5px; min-height: 16px; }
  .form-group input.input-error,
  .form-group textarea.input-error {
    border-color: #dc2626; background: #fff5f5;
  }
  .form-group input.input-ok,
  .form-group textarea.input-ok {
    border-color: #16a34a;
  }
  .form-success {
    margin-top: 18px; padding: 14px 18px;
    background: #f0fdf4; border: 1px solid #86efac;
    border-radius: 8px; font-size: 14px; color: #166534; font-weight: 600;
  }
  .form-error-box {
    margin-top: 18px; padding: 14px 18px;
    background: #fef2f2; border: 1px solid #fca5a5;
    border-radius: 8px; font-size: 14px; color: #991b1b;
  }
  .form-error-box a { color: #dc2626; }

  /* ===== CONTACTO ===== */
  #contacto .contact-grid { display: grid; grid-template-columns: 1fr 1fr; min-height: 540px; }
  .contact-map { background: #e4e8ef; min-height: 540px; position: relative; overflow: hidden; }
  .contact-map iframe { width: 100%; height: 100%; border: none; position: absolute; inset: 0; }
  .contact-form-area { padding: 64px 56px; background: #fff; }
  .contact-form-area h2 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800; font-size: 26px; color: #111827; margin-bottom: 6px;
  }
  .contact-underline { width: 44px; height: 3px; background: var(--orange); border-radius: 2px; margin-bottom: 20px; }
  .contact-info-item {
    display: flex; gap: 12px; align-items: flex-start;
    margin-bottom: 12px; font-size: 13.5px;
  }
  .contact-info-item strong { color: #1f2937; }
  .contact-info-item a { color: var(--orange); text-decoration: none; }
  .contact-info-item a:hover { text-decoration: underline; }
  .contact-separator { border: none; border-top: 1px solid var(--border); margin: 22px 0; }
  .form-intro { font-size: 13px; color: #6b7280; margin-bottom: 22px; }

  /* ===== FOOTER ===== */
  footer {
    background: #0d1120;
    color: rgba(255,255,255,0.65); padding: 72px 64px 48px;
    position: relative; overflow: hidden;
  }
  footer::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--orange), var(--navy-mid), var(--orange));
  }
  .footer-grid {
    display: grid; grid-template-columns: 1.3fr 1fr 1fr;
    gap: 60px; padding-bottom: 48px; align-items: start;
  }
  .footer-logo-img { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
  .footer-logo-img-tag { height: 56px; width: auto; max-width: 180px; display: block; object-fit: contain; flex-shrink: 0; }
  .footer-logo-img small {
    font-size: 9.5px; letter-spacing: 2px; color: rgba(255,255,255,0.4);
    text-transform: uppercase; font-family: 'Montserrat', sans-serif;
  }
  .footer-desc {
    font-size: 13px; color: rgba(255,255,255,0.5);
    margin-top: 18px; line-height: 1.85;
  }
  footer h4 {
    font-family: 'Montserrat', sans-serif; font-weight: 700;
    font-size: 10px; letter-spacing: 2.5px; text-transform: uppercase;
    color: rgba(255,255,255,0.35); margin-bottom: 18px;
  }
  .footer-services { list-style: none; }
  .footer-services li { margin-bottom: 10px; }
  .footer-services a {
    color: rgba(255,255,255,0.6); text-decoration: none;
    font-size: 13.5px; transition: color 0.2s;
    display: inline-flex; align-items: center; gap: 6px;
  }
  .footer-services a::before { content: '›'; color: var(--orange); font-size: 16px; }
  .footer-services a:hover { color: var(--orange); }
  .footer-title-services {
    font-family: 'Montserrat', sans-serif; font-weight: 700;
    font-size: 13px; color: #fff; margin-bottom: 14px;
  }
  .footer-contact-item {
    display: flex; gap: 10px; margin-bottom: 12px;
    font-size: 13px; color: rgba(255,255,255,0.6); align-items: flex-start;
  }
  .footer-contact-item strong { color: rgba(255,255,255,0.85); }
  .footer-contact-item a { color: rgba(255,255,255,0.6); text-decoration: none; }
  .footer-contact-item a:hover { color: var(--orange); }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding-top: 22px; text-align: center;
    font-size: 12px; color: rgba(255,255,255,0.25);
  }

  /* ===== FADE IN ===== */
  .fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.65s ease, transform 0.65s ease; }
  .fade-in.visible { opacity: 1; transform: translateY(0); }

  /* ===== RESPONSIVE ===== */
  @media (max-width: 1024px) {
    nav { padding: 0 24px; }
    .logo-divider, .logo-tagline { display: none; }
    .two-col .text-side { padding: 52px 36px; }
    .services-inner { padding: 0 28px; }
    .footer-grid { gap: 36px; }
    footer { padding: 52px 36px 36px; }
    .stats-band { padding: 48px 36px; gap: 40px; }
    .tech-grid { grid-template-columns: 1fr; }
  }

  @media (max-width: 768px) {
    nav { padding: 0 18px; height: 62px; }
    .hamburger { display: flex; }
    .nav-links {
      display: none; position: fixed;
      top: 62px; left: 0; right: 0;
      background: #fff;
      box-shadow: 0 8px 24px rgba(0,0,0,0.1);
      flex-direction: column; padding: 12px 0 20px;
      z-index: 999;
    }
    .nav-links.open { display: flex; }
    .nav-links li { width: 100%; }
    .nav-links a { font-size: 14px; padding: 13px 24px; border-bottom: 1px solid #f3f4f6; }
    .two-col { grid-template-columns: 1fr !important; min-height: unset; }
    .two-col .img-side { min-height: 220px !important; order: -1; }
    .two-col .text-side { padding: 40px 24px; }
    .stats-band { grid-template-columns: 1fr !important; padding: 40px 24px; text-align: center; }
    .stats-img-side { display: none; }
    .services-inner { grid-template-columns: 1fr !important; padding: 0 24px; }
    .services-left { padding-right: 0; margin-bottom: 40px; }
    .features-row { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr !important; }
    .contact-map { min-height: 280px; }
    .footer-grid { grid-template-columns: 1fr !important; gap: 36px; }
    footer { padding: 44px 24px 32px; }
    .service-tabs-section { padding: 52px 20px; }
    .tabs-nav { grid-template-columns: 1fr 1fr; }
    .tab-content.active { grid-template-columns: 1fr; }
    .banner-text { padding: 0 24px; }
    .banner-text h1 { font-size: 34px; }
    .porque-section { padding: 52px 24px; }
    .stats-band { gap: 24px; }
    .stat-number { font-size: 72px; }
    .cta-band { padding: 24px; flex-direction: column; gap: 0; }
    .cta-band::before { display: none; }
    .cta-band a { font-size: 15px; }
  }


/* ============================================================
   REFACTOR: 20 CLASES NUEVAS + 3 EXTENSIONES
   Reemplazan los 34 style="..." que estaban inline en el HTML.
   Extraído para cumplir CSP sin 'unsafe-inline' en style-src.
   ============================================================ */

/* --- Grupo A: Banner hero --- */
.banner-hero { position: relative; overflow: hidden; height: 580px; }
.banner-slide--1 { background: linear-gradient(rgba(10,20,50,0.58),rgba(10,20,50,0.45)), url('https://images.unsplash.com/photo-1521791136064-7986c2920216?w=1600&fit=crop') center/cover no-repeat; }
.banner-slide--2 { background: linear-gradient(rgba(10,20,50,0.58),rgba(10,20,50,0.45)), url('https://images.unsplash.com/photo-1600880292203-757bb62b4baf?w=1600&fit=crop') center/cover no-repeat; }
.banner-slide--3 { background: linear-gradient(rgba(10,20,50,0.58),rgba(10,20,50,0.45)), url('https://images.unsplash.com/photo-1450101499163-c8848c66ca85?w=1600&fit=crop') center/cover no-repeat; }
.banner-slide--4 { background: linear-gradient(rgba(10,20,50,0.58),rgba(10,20,50,0.45)), url('https://images.unsplash.com/photo-1507679799987-c73779587ccf?w=1600&fit=crop') center/cover no-repeat; }

/* --- Grupo B: Imágenes laterales --- */
.img-side--nosotros { background: url('https://images.unsplash.com/photo-1600880292203-757bb62b4baf?w=800') center/cover; }
.img-side--tech { min-height: 560px; }
.img-side--carreras { background: url('https://images.unsplash.com/photo-1521791136064-7986c2920216?w=800') center/cover; min-height: 520px; }

/* --- Grupo C: Pulse dots (posiciones) y rings (delays de animación) --- */
.pulse-dot--1 { left: 47%; top: 13%; }
.pulse-dot--2 { left: 44%; top: 42%; }
.pulse-dot--3 { left: 38%; top: 49%; }
.pulse-dot--4 { left: 41%; top: 57%; }
.pulse-dot--5 { left: 40%; top: 66%; }
.pulse-dot--6 { left: 38%; top: 82%; }
.pulse-ring--1 { animation-delay: 0s; }
.pulse-ring--2 { animation-delay: 0.4s; }
.pulse-ring--3 { animation-delay: 0.8s; }
.pulse-ring--4 { animation-delay: 1.2s; }
.pulse-ring--5 { animation-delay: 1.6s; }
.pulse-ring--6 { animation-delay: 2s; }

/* --- Grupo E: Utilities y misc --- */
.section-heading { text-align: center; margin-bottom: 40px; }
.section-subtitle { max-width: 600px; margin: 0 auto; }
.mt-14 { margin-top: 14px; }
.mt-28 { margin-top: 28px; }
.map-iframe { border: 0; }
.contact-note { font-size: 13.5px; color: #6b7280; margin-bottom: 18px; font-weight: 500; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* --- Grupo D: extensiones (elimina 6 style="display:none" del HTML)
       El JS activa/desactiva estos elementos con display:flex/block explícito. --- */
.btn-spinner { display: none; }
.form-success { display: none; }
.form-error-box { display: none; }
