:root {
        --primary: #0b2a4a;
        --secondary: #00a0df;
        --white: #ffffff;
        --dark: #0f172a;
        --light: #f4f6f8;
        --gray: #666;
      }

      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: "Segoe UI", Arial, sans-serif;
      }

      body {
        background: var(--light);
        color: var(--dark);
        line-height: 1.6;
      }

      header {
        background: var(--primary);
        padding: 1rem 0;
      }

      .container {
        width: 90%;
        max-width: 1300px;
        margin: auto;
      }

      .header-container {
        display: flex;
        align-items: center;
      }

      .logo h1 {
        color: white;
        font-size: 1.6rem;
      }

      .logo a {
        text-decoration: none;
      }

      .hero {
        background:
          linear-gradient(rgba(11, 42, 74, 0.85), rgba(11, 42, 74, 0.85)),
          url("img/640669d76981e07264afaa60_Portada Blog EPP casco chaleco botas industriales guantes seguridad.jpg")
            center/cover no-repeat;
        color: var(--white);
        padding: 7rem 0;
        text-align: center;
      }

      .hero h1 {
        font-size: 2.8rem;
        margin-bottom: 1rem;
      }

      .hero p {
        max-width: 900px;
        margin: auto;
        font-size: 1.1rem;
        opacity: 0.95;
      }

      section {
        padding: 4.5rem 0;
      }

      .section-title {
        text-align: center;
        margin-bottom: 2.5rem;
      }

      .section-title h2 {
        font-size: 2.2rem;
        color: var(--primary);
        margin-bottom: 0.6rem;
      }

      .section-title p {
        max-width: 900px;
        margin: auto;
        color: var(--gray);
        font-size: 1.05rem;
      }

      .grid {
        display: grid;
        gap: 2rem;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      }

      .card {
        background: var(--white);
        padding: 2rem;
        border-radius: 12px;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        transition:
          transform 0.3s ease,
          box-shadow 0.3s ease;
      }

      .card img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        border-radius: 8px;
        margin-bottom: 1rem;
      }

      .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
      }

      .card h3 {
        color: var(--primary);
        margin-bottom: 0.8rem;
        font-size: 1.3rem;
      }

      .card ul {
        padding-left: 1.2rem;
        color: var(--gray);
      }

      .card ul li {
        margin-bottom: 0.5rem;
      }

      .category-card {
        background: linear-gradient(135deg, var(--primary) 0%, #164a7a 100%);
        color: white;
        padding: 2.5rem;
        border-radius: 12px;
        text-align: center;
      }

      .category-card h3 {
        color: white;
        font-size: 1.5rem;
        margin-bottom: 1rem;
      }

      .category-card p {
        opacity: 0.95;
        line-height: 1.7;
      }

      .cta-section {
        text-align: center;
        margin-top: 3rem;
      }

      .btn-primary {
        display: inline-block;
        padding: 1rem 2.4rem;
        background: var(--secondary);
        color: var(--white);
        text-decoration: none;
        border-radius: 6px;
        font-weight: bold;
        transition: all 0.3s ease;
      }

      .btn-primary:hover {
        background: #0088c2;
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(0, 160, 223, 0.3);
      }

      .feature-box {
        background: linear-gradient(135deg, #00a0df 0%, #0088c2 100%);
        color: white;
        padding: 2rem;
        border-radius: 12px;
        text-align: center;
      }

      .feature-box h4 {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
      }

      footer {
        background: var(--dark);
        color: var(--white);
        text-align: center;
        padding: 2rem 0;
        font-size: 0.9rem;
      }

      @media (max-width: 768px) {
        .hero h1 {
          font-size: 2rem;
        }

        .section-title h2 {
          font-size: 1.8rem;
        }
      }
      /* HEADER MEJORADO CON NAVEGACIÓN */
      header {
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 1000;
        background: rgba(11, 42, 74, 0.95);
        /* backdrop-filter: blur(10px); */
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
      }

      header.scrolled {
        background: var(--primary);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
      }

      .header-container {
        width: 90%;
        max-width: 1300px;
        margin: auto;
        padding: 1rem 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
      }

      .logo h1 {
        color: white;
        font-size: 1.8rem;
        cursor: pointer;
        transition: all 0.3s;
      }

      .logo h1:hover {
        transform: scale(1.05);
      }

      /* NAVEGACIÓN */
      nav {
        display: flex;
        gap: 2rem;
        align-items: center;
      }

      nav a {
        color: white;
        text-decoration: none;
        padding: 0.5rem 1rem;
        border-radius: 6px;
        transition: all 0.3s;
        font-weight: 500;
      }

      nav a:hover {
        background: rgba(255, 255, 255, 0.1);
      }

      nav a.cta-nav {
        background: var(--secondary);
        font-weight: bold;
        padding: 0.7rem 1.5rem;
      }

      nav a.cta-nav:hover {
        background: #0088c2;
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(0, 160, 223, 0.3);
      }

      /* Menú móvil */
      .menu-toggle {
        display: none;
        flex-direction: column;
        cursor: pointer;
        gap: 5px;
      }

      .menu-toggle span {
        width: 25px;
        height: 3px;
        background: white;
        border-radius: 3px;
        transition: all 0.3s;
      }

      @media (max-width: 768px) {
        nav {
          position: fixed;
          top: 70px;
          right: -100%;
          width: 250px;
          height: calc(100vh - 70px);
          background: var(--primary);
          flex-direction: column;
          padding: 2rem;
          gap: 1rem;
          transition: right 0.3s ease;
          box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
        }

        nav.active {
          right: 0;
        }

        nav a {
          width: 100%;
          text-align: center;
        }

        .menu-toggle {
          display: flex;
        }

        .menu-toggle.active span:nth-child(1) {
          transform: rotate(45deg) translate(8px, 8px);
        }

        .menu-toggle.active span:nth-child(2) {
          opacity: 0;
        }

        .menu-toggle.active span:nth-child(3) {
          transform: rotate(-45deg) translate(8px, -8px);
        }
      }

       /* FOOTER */
        .footer-grid {
          grid-template-columns: 1fr;
          gap: 2rem;
        }

        .footer-section {
          text-align: center;
        }

        .footer-section h4,
        .footer-section p {
          margin-left: 0 !important;
          margin-right: 0 !important;
        }
         footer {
        background: var(--primary);
        color: var(--white);
        padding: 60px 0 20px;
      }
      .footer-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 40px;
        margin-bottom: 40px;
      }
      .footer-section h4 {
        color: var(--secondary);
        margin-bottom: 20px;
        text-transform: uppercase;
      }
      .footer-section p,
      .footer-section a {
        color: #cbd5e1;
        font-size: 0.9rem;
        margin-bottom: 10px;
        display: block;
      }
      .footer-bottom {
        text-align: center;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 20px;
        color: #94a3b8;
        font-size: 0.8rem;
      }

      /* BOTÓN WHATSAPP FLOTANTE */
      .whatsapp-float {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 60px;
        height: 60px;
        background: #25d366;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        z-index: 999;
        transition: all 0.3s;
        text-decoration: none;
      }

      .whatsapp-float:hover {
        transform: scale(1.1);
        box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
      }

      .whatsapp-float svg {
        width: 35px;
        height: 35px;
        fill: white;
      }

      @keyframes fadeInUp {
        from {
          opacity: 0;
          transform: translateY(30px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      @media (max-width: 768px) {
        .hero-content h1 {
          font-size: 2rem;
        }

        .hero-content p {
          font-size: 1rem;
        }

        .cta {
          min-width: 100%;
        }

        .whatsapp-float {
          bottom: 20px;
          right: 20px;
          width: 50px;
          height: 50px;
        }

        .whatsapp-float svg {
          width: 28px;
          height: 28px;
        }
      }

      /* =========================
  MEJORAS MOBILE ONLY
========================= */
      @media (max-width: 768px) {
        body {
          overflow-x: hidden;
        }

        .header-container {
          width: 94%;
          padding: 0.9rem 0;
        }

        .logo h1 {
          font-size: 1.3rem;
        }

        /* HERO */
        .hero {
          min-height: auto;
          padding-top: 90px;
          padding-bottom: 60px;
        }

        .hero-content {
          width: 94%;
          padding: 1rem 0;
        }

        .hero-content h1 {
          font-size: 2rem;
          line-height: 1.2;
        }

        .hero-content p {
          font-size: 1rem;
          line-height: 1.6;
          margin-bottom: 2rem;
        }

        .cta-container {
          gap: 1rem;
        }

        .cta {
          width: 100%;
          min-width: unset;
          padding: 1.2rem;
          font-size: 1rem;
        } }