:root {
        --naranja: #E68D0B;
        --naranja-dark: #e65c00;
        --gris: #222;
    }

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

    body {
        font-family: 'Arial', sans-serif;
        overflow-x: hidden;
    }

    /* ========== HEADER PREMIUM ========== */
    .navbar {
        background-image: url('assets/images/header_biospet.png');
        background-size: 100% 100%;
        background-position: center;
        background-repeat: no-repeat;
        position: relative;
        height: 0;
        padding-top: 12.26%;
    }

    .logo-navbar {
        height: 70%;
        width: auto;
        position: absolute;
        top: 25%;
        left: 2%;
        z-index: 10;
    }

    .redes-sociales-header {
        position: absolute;
        top: 85%;
        right: 3%;
        display: flex;
        align-items: center;
        gap: 10px;
        z-index: 10;
    }

    .redes-sociales-header img {
        width: clamp(20px, 1.8vw, 35px);
        height: auto;
        transition: transform 0.3s;
    }

    .redes-sociales-header img:hover {
        transform: scale(1.2);
    }

    .usuario-icono {
        position: absolute;
        top: 85%;
        right: 0.5%;
        z-index: 10;
    }

    .usuario-icono img {
        width: clamp(20px, 1.8vw, 35px);
        cursor: pointer;
    }

    .menu-toggle {
        position: absolute;
        top: 35%;
        right: 2%;
        background: none;
        border: none;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 6px;
        cursor: pointer;
        z-index: 10;
    }

    .menu-toggle span {
        width: clamp(18px, 1.6vw, 30px);
        height: 3px;
        background: #E68D0B;
        display: block;
        border-radius: 3px;
    }

    .slogan {
        position: absolute;
        top: 40%;
        left: 50%;
        transform: translateX(-50%);
        font-size: clamp(22px, 3.5vw, 70px);
        font-weight: 700;
        color: #000;
        font-family: 'Playfair Display', serif;
        font-style: italic;
        letter-spacing: 1px;
        white-space: nowrap;
        z-index: 10;
    }

    /* MENU LATERAL */
    .menu-lateral {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100%;
        background: white;
        box-shadow: -5px 0 15px rgba(0,0,0,.2);
        padding: 80px 30px;
        display: flex;
        flex-direction: column;
        gap: 25px;
        transition: 0.3s;
        z-index: 1000;
    }

    .menu-lateral.active {
        right: 0;
    }

    .menu-lateral a {
        text-decoration: none;
        color: #333;
        font-size: 22px;
        font-weight: 500;
        transition: .2s;
        border-bottom: 1px solid #eee;
        padding-bottom: 10px;
    }

    .menu-lateral a:hover {
        color: #ff6b00;
        transform: translateX(5px);
    }

    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,.4);
        opacity: 0;
        visibility: hidden;
        transition: .3s;
        z-index: 999;
    }

    .overlay.active {
        opacity: 1;
        visibility: visible;
    }

    /* MODAL LOGIN */
    .modal-login {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,.5);
        display: flex;
        justify-content: center;
        align-items: center;
        opacity: 0;
        visibility: hidden;
        transition: .3s;
        z-index: 1001;
    }

    .modal-login.active {
        opacity: 1;
        visibility: visible;
    }

    .modal-contenido {
        background: white;
        padding: 35px;
        border-radius: 20px;
        width: 350px;
        display: flex;
        flex-direction: column;
        gap: 15px;
        box-shadow: 0 20px 40px rgba(0,0,0,.2);
    }

    .modal-contenido h3 {
        text-align: center;
        margin-bottom: 10px;
        color: var(--naranja);
        font-size: 1.8rem;
    }

    .modal-contenido label {
        font-weight: 600;
        color: #333;
    }

    .modal-contenido input {
        padding: 12px;
        border: 2px solid #eee;
        border-radius: 10px;
        font-size: 1rem;
    }

    .modal-contenido input:focus {
        border-color: var(--naranja);
        outline: none;
    }

    .modal-botones {
        display: flex;
        justify-content: space-between;
        gap: 15px;
        margin-top: 10px;
    }

    .modal-botones button {
        padding: 12px 20px;
        border: none;
        border-radius: 10px;
        cursor: pointer;
        font-weight: 600;
        flex: 1;
    }

    #cerrar-modal {
        background: #e0e0e0;
        color: #333;
    }

    .btn-acceder {
        background: var(--naranja);
        color: white;
    }

    /* ========== LAYOUT PRINCIPAL 50/50 ========== */
    .home-layout {
        display: flex;
        width: 100%;
        min-height: 100vh;
        align-items: stretch;
        gap: 0;
        padding: 0;
        margin: 0;
    }

    /* HERO CON SLIDER */
    .hero {
        position: relative;
        width: 50%;
        min-height: 100vh;
        overflow: hidden;
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
    }

    .hero-bg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
    }

    .hero-bg img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0;
        transition: opacity 1.5s ease;
    }

    .hero-bg img.active {
        opacity: 1;
    }

    .hero::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,.4);
        z-index: 1;
    }

    .hero .container {
        position: relative;
        z-index: 2;
        width: 100%;
        padding: 70px 40px;
    }

    .hero h1 {
        font-size: 3rem;
        font-weight: bold;
        margin-bottom: 20px;
    }

    #hero-texto {
        font-size: 1.4rem;
        font-weight: 600;
        margin: 15px 0;
        min-height: 80px;
        transition: .4s ease;
    }

    .hero-botones {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 12px;
        margin-top: 25px;
    }

    .btn-main {
        border: 2px solid #ff6b00;
        background: rgba(255,107,0,.25);
        color: white;
        border-radius: 50px;
        padding: 12px 28px;
        font-weight: 700;
        backdrop-filter: blur(4px);
        text-decoration: none;
        transition: .3s ease;
        display: inline-block;
    }

    .btn-main:hover {
        background: #ff6b00;
        transform: translateY(-2px);
        color: white;
    }

    .btn-servicios {
        border: 2px solid #ff6b00;
        background: rgba(255,107,0,.15);
        color: white;
        border-radius: 50px;
        padding: 12px 28px;
        font-weight: 700;
        text-decoration: none;
        transition: .3s ease;
        display: inline-block;
    }

    .btn-servicios:hover {
        background: #ff6b00;
        color: white;
        transform: translateY(-2px);
    }

    /* SERVICIOS lado derecho */
    .servicios {
        width: 50%;
        padding: 0;
        display: flex;
        align-items: stretch;
        background: #fff;
    }

    .servicios-box {
        background: linear-gradient(135deg, rgba(255,107,0,.92), rgba(255,143,31,.88));
        padding: 70px 45px;
        width: 100%;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
    }

    .servicios-box h2 {
        text-align: center;
        font-size: 2.8rem;
        font-weight: 700;
        margin-bottom: 60px;
        color: white;
    }

    .servicios-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }

    .servicio-item {
        display: flex;
        align-items: center;
        gap: 15px;
        font-size: 1.15rem;
        font-weight: 600;
        background: rgba(255,255,255,.12);
        padding: 16px 20px;
        border-radius: 18px;
        backdrop-filter: blur(4px);
        transition: .3s ease;
        color: white;
    }

    .servicio-item:hover {
        transform: translateY(-5px);
        background: rgba(255,255,255,.2);
    }

    .icon-serv {
        font-size: 28px;
        color: white;
        width: 35px;
        text-align: center;
    }

    /* PRODUCTOS - TU SECCIÓN ORIGINAL */
    .productos-section {
        background: #f8f9fa;
        padding: 80px 0;
    }

    .section-header {
        text-align: center;
        margin-bottom: 50px;
    }

    .section-header h2 {
        color: var(--naranja);
        font-size: 2.5rem;
    }

    .section-header h2 span {
        color: #333;
    }

    .section-header p {
        color: #666;
        font-size: 1.1rem;
    }

    .productos-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .producto-card {
        background: white;
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0,0,0,.1);
        transition: transform 0.3s;
    }

    .producto-card:hover {
        transform: translateY(-5px);
    }

    .producto-imagen {
        height: 220px;
        overflow: hidden;
        position: relative;
    }

    .producto-imagen img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .stock {
        position: absolute;
        top: 10px;
        right: 10px;
        padding: 5px 10px;
        border-radius: 20px;
        font-size: 12px;
        font-weight: bold;
    }

    .stock-normal {
        background: #28a745;
        color: white;
    }

    .stock-bajo {
        background: #ffc107;
        color: #333;
    }

    .producto-info {
        padding: 20px;
    }

    .producto-info h3 {
        font-size: 1.3rem;
        margin-bottom: 10px;
        color: #333;
    }

    .producto-info p {
        color: #666;
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .producto-precio {
        font-size: 1.5rem;
        font-weight: bold;
        color: var(--naranja);
        margin: 15px 0;
    }

    .btn-producto {
        background: var(--naranja);
        color: white;
        padding: 10px 20px;
        border-radius: 25px;
        text-decoration: none;
        display: inline-block;
        transition: background 0.3s;
    }

    .btn-producto:hover {
        background: var(--naranja-dark);
        color: white;
    }

    .ver-mas {
        text-align: center;
        margin-top: 40px;
    }

    .btn-ver-mas {
        background: var(--naranja);
        color: white;
        padding: 12px 30px;
        border-radius: 50px;
        text-decoration: none;
        display: inline-block;
    }

    /* COLLAGE INFO */
    .collage-info {
        width: 100%;
        background: #fff;
        text-align: center;
        padding: 60px 20px;
    }

    .collage-info img {
        width: 100%;
        max-width: 1400px;
        height: auto;
        margin: 0 auto;
        border-radius: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,.12);
    }

    /* UBICACION */
    .ubicacion-section {
        padding: 60px 20px;
        background: #fff;
    }

    .ubicacion-box {
        max-width: 1400px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 35px;
        align-items: center;
        background: #fff;
        border-radius: 30px;
        padding: 35px;
        box-shadow: 0 12px 35px rgba(0,0,0,.08);
    }

    .ubicacion-texto h3 {
        color: var(--naranja);
        font-size: 2rem;
        font-weight: 700;
        margin-bottom: 20px;
    }

    .ubicacion-texto p {
        font-size: 1.1rem;
        color: #444;
        line-height: 1.7;
        margin-bottom: 25px;
    }

    .btn-ubicacion {
        background: var(--naranja);
        color: white;
        padding: 12px 25px;
        border-radius: 50px;
        text-decoration: none;
        display: inline-block;
    }

    .ubicacion-mapa iframe {
        width: 100%;
        height: 400px;
        border-radius: 20px;
    }

    /* REDES SOCIALES SECTION */
    .redes-sociales-section {
        text-align: center;
        padding: 40px 20px 60px;
        background: #fff;
    }

    .redes-sociales-section h3 {
        color: var(--naranja);
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .social-icons {
        display: flex;
        justify-content: center;
        gap: 30px;
    }

    .social-icon svg {
        width: 40px;
        height: 40px;
        transition: transform 0.3s;
    }

    .social-icon:hover svg {
        transform: scale(1.1);
    }

    .facebook svg { color: #1877f2; }
    .instagram svg { color: #e4405f; }
    .whatsapp svg { color: #25d366; }

    /* WHATSAPP FLOTANTE */
    .whatsapp-float {
        position: fixed;
        bottom: 20px;
        right: 20px;
        background: #25D366;
        color: white;
        border-radius: 50px;
        padding: 12px 18px;
        text-decoration: none;
        z-index: 100;
        display: flex;
        align-items: center;
        gap: 8px;
        font-weight: bold;
        box-shadow: 0 4px 10px rgba(0,0,0,.2);
    }

    .whatsapp-float:hover {
        transform: scale(1.05);
        color: white;
    }

    /* FOOTER */
    .footer-biospet {
        background: #000;
        padding: 40px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 20px;
    }

    .footer-logo img {
        width: 170px;
    }

    .footer-info {
        text-align: center;
        flex: 1;
    }

    .footer-info h4 {
        color: var(--naranja);
        margin-bottom: 10px;
    }

    .footer-info p {
        color: #fff;
        font-size: 14px;
        margin: 5px 0;
    }

    .footer-redes {
        display: flex;
        gap: 15px;
    }

    .footer-redes img {
        width: 25px;
        transition: transform 0.3s;
    }

    .footer-redes img:hover {
        transform: scale(1.15);
    }

    .flechas-scroll {
        margin-top: 30px;
        text-align: center;
    }

    .flechas-scroll i {
        color: var(--naranja);
        font-size: 24px;
        animation: moverFlecha 1.5s infinite;
        margin: 0 5px;
    }

    @keyframes moverFlecha {
        0% { transform: translateY(0); opacity: 0.3; }
        50% { transform: translateY(10px); opacity: 1; }
        100% { transform: translateY(0); opacity: 0.3; }
    }

    /* RESPONSIVE */
    @media (max-width: 992px) {
        .home-layout {
            flex-direction: column;
        }
        .hero, .servicios {
            width: 100%;
            min-height: auto;
        }
        .servicios-box {
            min-height: auto;
        }
        .ubicacion-box {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 768px) {
        .navbar {
            height: 180px;
            padding-top: 0;
            background-size: cover;
        }
        .slogan {
            font-size: 14px;
            top: 155px;
            white-space: nowrap;
        }
        .redes-sociales-header {
            top: 155px;
            right: 5px;
        }
        .redes-sociales-header img {
            width: 18px;
        }
        .usuario-icono {
            top: 5px;
            left: 10px;
            right: auto;
        }
        .menu-toggle {
            top: 5px;
            right: 10px;
        }
        .servicios-grid {
            grid-template-columns: 1fr;
        }
        .hero h1 {
            font-size: 2rem;
        }
        .servicios-box {
            padding: 40px 20px;
        }
        .servicios-box h2 {
            font-size: 2rem;
        }
    }