    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --navy: #0a1628;
      --navy-mid: #12233f;
      --navy-light: #1a3257;
      --electric: #f5a623;
      --electric-bright: #ffc04a;
      --electric-dim: #c8831a;
      --white: #f8f7f4;
      --grey: #a8b3c4;
      --grey-light: #e8ecf2;
      --text: #d4dce8;
      --font-head: 'Syne', sans-serif;
      --font-body: 'DM Sans', sans-serif;
    }

    html { scroll-behavior: smooth; }

    body {
      background: var(--navy);
      color: var(--text);
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.65;
      overflow-x: hidden;
    }

    /* ── NAVBAR ── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1.1rem 5vw;
      background: rgba(10, 22, 40, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(245, 166, 35, 0.12);
      transition: background 0.3s;
    }

    .nav-logo {
      font-family: var(--font-head);
      font-weight: 800;
      font-size: 1.25rem;
      color: var(--white);
      letter-spacing: -0.02em;
      text-decoration: none;
    }
    .nav-logo span { color: var(--electric); }

    .nav-links {
      display: flex;
      gap: 2rem;
      list-style: none;
    }
    .nav-links a {
      font-family: var(--font-body);
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--grey);
      text-decoration: none;
      letter-spacing: 0.03em;
      transition: color 0.2s;
    }
    .nav-links a:hover { color: var(--electric); }

    .nav-cta {
      background: var(--electric);
      color: var(--navy) !important;
      font-weight: 600 !important;
      padding: 0.5rem 1.25rem;
      border-radius: 4px;
      transition: background 0.2s !important;
    }
    .nav-cta:hover { background: var(--electric-bright) !important; color: var(--navy) !important; }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      background: none;
      border: none;
      padding: 4px;
    }
    .hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--white);
      border-radius: 2px;
      transition: all 0.3s;
    }

    /* ── HERO ── */
    #inicio {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 7rem 5vw 5rem;
      position: relative;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 60% 50% at 80% 40%, rgba(245,166,35,0.08) 0%, transparent 70%),
        radial-gradient(ellipse 40% 60% at 10% 80%, rgba(26,50,87,0.6) 0%, transparent 70%);
      pointer-events: none;
    }

    .hero-grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(245,166,35,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(245,166,35,0.04) 1px, transparent 1px);
      background-size: 60px 60px;
      pointer-events: none;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(245,166,35,0.12);
      border: 1px solid rgba(245,166,35,0.3);
      color: var(--electric);
      font-size: 0.78rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 0.4rem 0.9rem;
      border-radius: 100px;
      width: fit-content;
      margin-bottom: 1.5rem;
      animation: fadeUp 0.6s ease both;
      text-decoration: none;
      cursor: pointer;
      transition: background 0.2s, border-color 0.2s, transform 0.2s;
    }

    .hero-badge:hover {
      background: rgba(245,166,35,0.16);
      border-color: rgba(245,166,35,0.45);
      transform: translateY(-2px);
    }

    .hero-badge:focus-visible {
      outline: none;
      background: rgba(245,166,35,0.16);
      border-color: rgba(245,166,35,0.55);
      transform: translateY(-2px);
    }
    .hero-badge::before {
      content: '';
      width: 6px; height: 6px;
      background: var(--electric);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(1.4); }
    }

    .hero-title {
      font-family: var(--font-head);
      font-size: clamp(2.8rem, 7vw, 5.5rem);
      font-weight: 800;
      line-height: 1.05;
      letter-spacing: -0.03em;
      color: var(--white);
      max-width: 820px;
      animation: fadeUp 0.6s ease 0.1s both;
    }
    .hero-title em {
      font-style: normal;
      color: var(--electric);
      position: relative;
    }

    .hero-sub {
      font-size: clamp(1rem, 2.2vw, 1.2rem);
      color: var(--grey);
      max-width: 560px;
      margin-top: 1.5rem;
      font-weight: 300;
      animation: fadeUp 0.6s ease 0.2s both;
    }

    .hero-actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      margin-top: 2.5rem;
      animation: fadeUp 0.6s ease 0.3s both;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: var(--electric);
      color: var(--navy);
      font-family: var(--font-head);
      font-weight: 700;
      font-size: 0.95rem;
      padding: 0.9rem 1.8rem;
      border-radius: 4px;
      text-decoration: none;
      letter-spacing: 0.01em;
      transition: background 0.2s, transform 0.15s;
    }
    .btn-primary:hover { background: var(--electric-bright); transform: translateY(-2px); }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: transparent;
      color: var(--white);
      font-family: var(--font-head);
      font-weight: 600;
      font-size: 0.95rem;
      padding: 0.9rem 1.8rem;
      border-radius: 4px;
      border: 1px solid rgba(255,255,255,0.2);
      text-decoration: none;
      transition: border-color 0.2s, color 0.2s, transform 0.15s;
    }
    .btn-secondary:hover { border-color: var(--electric); color: var(--electric); transform: translateY(-2px); }

    .hero-stats {
      display: flex;
      gap: 3rem;
      margin-top: 4rem;
      padding-top: 2.5rem;
      border-top: 1px solid rgba(255,255,255,0.08);
      animation: fadeUp 0.6s ease 0.4s both;
    }
    .stat-num {
      font-family: var(--font-head);
      font-size: 2rem;
      font-weight: 800;
      color: var(--white);
      line-height: 1;
    }
    .stat-num span { color: var(--electric); }
    .stat-label {
      font-size: 0.8rem;
      color: var(--grey);
      margin-top: 0.25rem;
      letter-spacing: 0.03em;
    }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(24px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* ── SECCIONES GENERALES ── */
    section { padding: 5rem 5vw; }

    .section-label {
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--electric);
      margin-bottom: 0.75rem;
    }

    .section-title {
      font-family: var(--font-head);
      font-size: clamp(1.8rem, 4vw, 2.8rem);
      font-weight: 800;
      color: var(--white);
      line-height: 1.15;
      letter-spacing: -0.02em;
      max-width: 640px;
    }

    .section-sub {
      color: var(--grey);
      margin-top: 1rem;
      max-width: 540px;
      font-weight: 300;
      font-size: 1.05rem;
    }

    /* ── SERVICIOS ── */
    #servicios { background: var(--navy-mid); }

    .services-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 2rem;
      flex-wrap: wrap;
      margin-bottom: 3rem;
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1.25rem;
    }

    .service-card {
      background: var(--navy);
      border: 1px solid rgba(255,255,255,0.06);
      border-radius: 8px;
      padding: 1.75rem;
      position: relative;
      overflow: hidden;
      transition: border-color 0.25s, transform 0.25s;
      cursor: default;
    }
    .service-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: var(--electric);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.3s ease;
    }
    .service-card:hover {
      border-color: rgba(245,166,35,0.3);
      transform: translateY(-3px);
    }
    .service-card:hover::before { transform: scaleX(1); }

    .service-icon {
      font-size: 1.8rem;
      margin-bottom: 1rem;
      display: block;
    }

    .service-name {
      font-family: var(--font-head);
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 0.5rem;
    }

    .service-desc {
      font-size: 0.875rem;
      color: var(--grey);
      line-height: 1.6;
    }

    /* ── POR QUÉ NOSOTROS ── */
    #nosotros { background: var(--navy); }

    .why-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
      margin-top: 3rem;
    }

    .why-list { display: flex; flex-direction: column; gap: 1.25rem; }

    .why-item {
      display: flex;
      gap: 1.2rem;
      align-items: flex-start;
      padding: 1.25rem;
      border-radius: 8px;
      border: 1px solid transparent;
      transition: background 0.25s, border-color 0.25s;
    }
    .why-item:hover {
      background: rgba(245,166,35,0.04);
      border-color: rgba(245,166,35,0.15);
    }

    .why-check {
      width: 28px; height: 28px;
      background: rgba(245,166,35,0.15);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
      margin-top: 2px;
      font-size: 0.8rem;
      color: var(--electric);
    }

    .why-content h4 {
      font-family: var(--font-head);
      font-size: 1rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 0.3rem;
    }
    .why-content p { font-size: 0.875rem; color: var(--grey); line-height: 1.6; }

    .why-visual {
      background: var(--navy-mid);
      border: 1px solid rgba(255,255,255,0.07);
      border-radius: 12px;
      padding: 2.5rem;
    }

    .guarantee-box {
      text-align: center;
      padding: 2rem;
      background: rgba(245,166,35,0.07);
      border: 1px solid rgba(245,166,35,0.25);
      border-radius: 8px;
      margin-bottom: 1.5rem;
    }
    .guarantee-num {
      font-family: var(--font-head);
      font-size: 4rem;
      font-weight: 800;
      color: var(--electric);
      line-height: 1;
    }
    .guarantee-label {
      font-size: 0.875rem;
      color: var(--grey);
      margin-top: 0.3rem;
    }

    .info-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.9rem 0;
      border-bottom: 1px solid rgba(255,255,255,0.07);
      font-size: 0.875rem;
    }
    .info-row:last-child { border-bottom: none; }
    .info-row span:first-child { color: var(--grey); }
    .info-row span:last-child { color: var(--white); font-weight: 500; }

    /* ── CÓMO TRABAJAMOS ── */
    #proceso { background: var(--navy-mid); }

    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 0;
      margin-top: 3rem;
      position: relative;
    }

    .process-steps::before {
      content: '';
      position: absolute;
      top: 2rem;
      left: calc(12.5% + 1rem);
      right: calc(12.5% + 1rem);
      height: 1px;
      background: linear-gradient(90deg, var(--electric), rgba(245,166,35,0.2), var(--electric), rgba(245,166,35,0.2));
    }

    .step {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding: 0 1.5rem;
      position: relative;
    }

    .step-num {
      width: 4rem; height: 4rem;
      background: var(--navy);
      border: 2px solid var(--electric);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-head);
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--electric);
      margin-bottom: 1.5rem;
      position: relative;
      z-index: 1;
    }

    .step-title {
      font-family: var(--font-head);
      font-size: 1rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 0.5rem;
    }
    .step-desc { font-size: 0.85rem; color: var(--grey); line-height: 1.6; }

    /* ── CONTACTO ── */
    #contacto {
      background: var(--navy);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
      align-items: center;
    }

    .contact-methods {
      display: flex;
      flex-direction: column;
      gap: 1rem;
      margin-top: 2rem;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1.1rem 1.25rem;
      background: var(--navy-mid);
      border: 1px solid rgba(255,255,255,0.07);
      border-radius: 8px;
      text-decoration: none;
      color: var(--text);
      position: relative;
      overflow: hidden;
      transition: border-color 0.2s, transform 0.2s, background 0.2s;
    }

    .contact-item::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: var(--electric);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.25s ease;
    }

    .contact-item:hover {
      border-color: rgba(245,166,35,0.4);
      background: rgba(18, 35, 63, 0.85);
      transform: translateY(-2px);
    }

    .contact-item:hover::before { transform: scaleX(1); }

    .contact-item:focus-visible {
      outline: none;
      border-color: rgba(245,166,35,0.55);
      transform: translateY(-2px);
    }
    .contact-item:focus-visible::before { transform: scaleX(1); }

    .contact-item--static {
      cursor: default;
    }
    .contact-item--static:hover {
      border-color: rgba(255,255,255,0.07);
      background: var(--navy-mid);
      transform: none;
    }
    .contact-item--static::before { display: none; }

    .contact-icon {
      width: 40px; height: 40px;
      background: rgba(245,166,35,0.11);
      border: 1px solid rgba(245,166,35,0.18);
      border-radius: 8px;
      display: flex; align-items: center; justify-content: center;
      color: var(--electric);
      flex-shrink: 0;
    }

    .contact-icon-svg {
      width: 20px;
      height: 20px;
      display: block;
    }

    .contact-label { font-size: 0.75rem; color: var(--grey); }
    .contact-value { font-size: 0.95rem; font-weight: 500; color: var(--white); }

    .contact-form-box {
      background: var(--navy-mid);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 12px;
      padding: 2.5rem;
    }

    .form-title {
      font-family: var(--font-head);
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 1.5rem;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 0.4rem;
      margin-bottom: 1.1rem;
    }

    label {
      font-size: 0.8rem;
      font-weight: 500;
      color: var(--grey);
      letter-spacing: 0.05em;
    }

    input, textarea, select {
      background: var(--navy);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 6px;
      padding: 0.75rem 1rem;
      color: var(--white);
      font-family: var(--font-body);
      font-size: 0.95rem;
      transition: border-color 0.2s;
      width: 100%;
      outline: none;
    }
    input:focus, textarea:focus, select:focus { border-color: var(--electric); }
    textarea { resize: vertical; min-height: 100px; }
    select option { background: var(--navy-mid); }

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

    .submit-btn {
      width: 100%;
      background: var(--electric);
      color: var(--navy);
      font-family: var(--font-head);
      font-weight: 700;
      font-size: 0.95rem;
      padding: 0.95rem;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      margin-top: 0.5rem;
      transition: background 0.2s, transform 0.15s;
      letter-spacing: 0.02em;
    }
    .submit-btn:hover { background: var(--electric-bright); transform: translateY(-1px); }

    /* ── FOOTER ── */
    footer {
      background: #060f1e;
      padding: 2.5rem 5vw;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
      border-top: 1px solid rgba(255,255,255,0.06);
    }

    .footer-logo {
      font-family: var(--font-head);
      font-weight: 800;
      font-size: 1rem;
      color: var(--white);
      letter-spacing: -0.02em;
    }
    .footer-logo span { color: var(--electric); }

    .footer-text { font-size: 0.8rem; color: var(--grey); }
    .footer-links { display: flex; gap: 1.5rem; }
    .footer-links a {
      font-size: 0.8rem;
      color: var(--grey);
      text-decoration: none;
      transition: color 0.2s;
    }
    .footer-links a:hover { color: var(--electric); }

    /* ── WHATSAPP FLOAT ── */
    .wa-float {
      position: fixed;
      bottom: 1.75rem;
      right: 1.75rem;
      z-index: 200;
      background: #25D366;
      width: 56px; height: 56px;
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      text-decoration: none;
      box-shadow: 0 4px 20px rgba(37,211,102,0.4);
      transition: transform 0.2s, box-shadow 0.2s;
      animation: fadeUp 1s ease 0.8s both;
    }
    .wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.5); }
    .wa-float svg { width: 28px; height: 28px; fill: white; }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      .nav-links { display: none; }
      .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 65px; left: 0; right: 0;
        background: var(--navy-mid);
        padding: 1.5rem 5vw;
        gap: 1.25rem;
        border-bottom: 1px solid rgba(255,255,255,0.08);
      }
      .hamburger { display: flex; }
      .process-steps { grid-template-columns: 1fr 1fr; }
      .process-steps::before { display: none; }
      .why-grid { grid-template-columns: 1fr; }
      #contacto { grid-template-columns: 1fr; gap: 3rem; }
    }

    @media (max-width: 600px) {
      .hero-stats { flex-wrap: wrap; gap: 1.5rem; }
      .process-steps { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
      footer { flex-direction: column; text-align: center; }
    }

    /* ── SCROLL REVEAL ── */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.65s ease, transform 0.65s ease;
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
