:root {
    --primary-color: #0f3460;
    --secondary-color: #1a4d8c;
    --accent-color: #e67e22;
    --text-color: #2d3748;
    --light-text: #ffffff;
    --background-color: #f0f4f8;
    --card-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    --transition-speed: 0.6s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body {
    background-color: var(--background-color);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-speed);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

body.front-visible {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

body.back-visible {
    background: var(--light-text);
}

.container {
    perspective: 2000px;
    width: 100%;
    max-width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent; /* Eliminar el fondo blanco */
}

.card {
    width: 100%;
    min-height: 100vh;
    position: relative;
    transform-style: preserve-3d;
    transition: transform var(--transition-speed);
    opacity: 0; /* Se muestra con JS */
    background: transparent; /* Asegurar que no haya fondo blanco */
}

.card.flipped {
    transform: rotateY(180deg);
}

.card-front, .card-back {
    position: absolute;
    width: 100%;
    min-height: 100vh;
    backface-visibility: hidden;
    overflow-y: auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    box-shadow: none;
    top: 0;
    left: 0;
}

/* Aseguramos que el contenido tenga al menos la altura completa de la ventana y fondo extendido */
.card-front .content-wrapper,
.card-back .content-wrapper {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* Garantiza altura mínima */
}

/* Aseguramos que los fondos se extiendan adecuadamente */
.card-front {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--light-text);
    min-height: 100%; /* Asegura cobertura total */
    opacity: 1; /* Asegurar visibilidad */
}

.card-back {
    background: var(--light-text);
    color: var(--text-color);
    transform: rotateY(180deg);
    min-height: 100%; /* Asegura cobertura total */
}

/* Contenedor de logo */
.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
    position: relative;
}

/* Logo circular - regla general */
.logo {
    width: 280px; /* Aumentado de 220px */
    height: 280px; /* Aumentado de 220px */
    background: linear-gradient(145deg, #ffffff, #f0f0f0);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2), 0 0 0 3px rgba(230, 126, 34, 0.2);
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    position: relative;
    z-index: 2;
    padding: 0;
    animation: logoEntrance 1.2s ease-out forwards;
}

.logo:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25), 0 0 0 4px rgba(230, 126, 34, 0.3);
}

.logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: transform 0.5s ease;
}

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

/* Animaciones */
@keyframes logoEntrance {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(0);
    }
    40% {
        transform: translateX(3px);
    }
    60% {
        transform: translateX(2px);
    }
}

.animate-bounce {
    animation: bounce 1.5s 3;
    animation-fill-mode: forwards;
}

/* Encabezados y texto */
.logo-container h1 {
    margin-top: 5px;
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

h1 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 1px;
}

h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
    font-weight: 600;
}

.tagline {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 30px;
    opacity: 0.9;
    text-align: center; /* Añadido para centrar */
}

.separator {
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
    margin-bottom: 30px;
}

/* Info contacto */
.contact-info {
    margin-top: 15px;
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.info-item i {
    width: 25px;
    color: var(--accent-color);
    margin-right: 10px;
}

.contact-info a {
    text-decoration: none;
    color: inherit;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* Botones de navegación */
.flip-prompt {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 12px 20px;
    font-size: 15px;
    border-radius: 30px;
    margin-top: auto;
    margin-bottom: 10px;
    max-width: 200px;
    transition: all 0.3s ease;
    z-index: 100;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    align-self: center;
}

.card-front .flip-prompt {
    background-color: rgba(255, 255, 255, 0.3);
    color: var(--light-text);
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.5);
    margin-top: auto;
}

.card-back .flip-prompt {
    background-color: rgba(15, 52, 96, 0.15);
    color: var(--primary-color);
    font-weight: 500;
    border: 1px solid rgba(15, 52, 96, 0.3);
    margin-top: auto;
}

.flip-prompt:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
}

.flip-prompt i {
    margin: 0 8px;
}

.flip-prompt.back-button {
    margin: 25px auto 10px;
    background-color: rgba(15, 52, 96, 0.1);
    border: 1px solid rgba(15, 52, 96, 0.2);
    padding: 12px 25px;
    transition: all 0.3s ease;
    max-width: 220px;
}

.flip-prompt.back-button:hover {
    background-color: rgba(15, 52, 96, 0.15);
    transform: translateY(-2px);
}

/* Servicios */
.services {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 25px;
}

.service {
    background-color: rgba(13, 46, 77, 0.05);
    padding: 15px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service i {
    color: var(--accent-color);
    font-size: 24px;
    margin-bottom: 10px;
}

.service h3 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.service p {
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.8;
}

/* Tipos de racks */
.rack-types {
    margin-bottom: 25px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.rack-type {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.rack-type:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.rack-type i {
    font-size: 18px;
    margin-right: 10px;
    color: var(--accent-color);
    width: 24px;
    text-align: center;
}

.rack-type-content h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 3px;
}

.rack-type-content p {
    font-size: 12px;
    opacity: 0.9;
}

/* CTA Button */
.cta-button {
    text-align: center;
    margin: 20px 0;
}

.cta-button a {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--light-text);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s, transform 0.3s;
    box-shadow: 0 4px 10px rgba(200, 164, 92, 0.3);
}

.cta-button a:hover {
    background-color: #b6924d;
    transform: translateY(-2px);
}

/* Modal de contacto */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    overflow: auto;
}

.modal-content {
    background-color: var(--light-text);
    margin: 10% auto;
    padding: 30px;
    width: 90%;
    max-width: 500px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    animation: modalIn 0.5s;
}

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

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-color);
    transition: color 0.3s;
}

.close-modal:hover {
    color: var(--accent-color);
}

/* Formulario */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
    background-color: #f8fafc;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1);
}

.submit-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 14px 25px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
    display: block;
    width: 100%;
    box-shadow: 0 4px 10px rgba(226, 160, 63, 0.3);
}

.submit-btn:hover {
    background-color: #d99530;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(226, 160, 63, 0.4);
}

/* Estilos para el CAPTCHA */
.captcha-container small {
    color: #666;
    display: block;
    margin-top: 5px;
    font-style: italic;
}

.captcha-box {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 5px;
}

#captcha-question {
    background-color: #f0f4f8;
    padding: 8px 12px;
    border-radius: 6px;
    font-weight: 500;
    color: var(--primary-color);
    letter-spacing: 1px;
    border: 1px solid #ddd;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

#captcha-answer {
    width: 80px;
    text-align: center;
}

/* Layout de contenido */
.card-front .content-wrapper,
.card-back .content-wrapper {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
}

/* Responsive design */
@media (max-width: 380px) {
    .rack-types {
        grid-template-columns: 1fr;
    }
    .logo {
        width: 280px !important; /* Mayor que antes pero ajustado para pantallas muy pequeñas */
        height: 280px !important;
        max-width: 90vw;
    }
}

@media (max-width: 480px) {
    .card {
        min-height: 550px;
    }
    
    .card-front, .card-back {
        padding: 20px;
    }
    
    .rack-types {
        grid-template-columns: 1fr;
    }
    
    .logo {
        margin-right: 0;
        margin-bottom: 15px;
        width: 250px !important; /* Aumentado y con prioridad máxima */
        height: 250px !important; /* Aumentado y con prioridad máxima */
        max-width: 95vw; /* Para evitar desbordamientos */
    }
    
    .logo-img {
        width: 100% !important; 
        height: 100% !important;
        object-fit: cover;
    }
    
    .logo-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        padding: 10px 0;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 15px;
        width: 95%;
    }
    
    .flip-prompt.back-button {
        margin: 20px auto 5px;
        padding: 10px 20px;
        font-size: 14px;
    }

    .logo-container {
        flex-direction: column;
        text-align: center;
    }
    
    h1 {
        font-size: 22px;
    }
    
    /* Estilos para SweetAlert en móviles */
    .swal2-popup {
        width: 90% !important;
        font-size: 0.9em !important;
    }
    .swal2-title {
        font-size: 1.5em !important;
    }
    .swal2-content {
        font-size: 1em !important;
    }

    .card-front .content-wrapper,
    .card-back .content-wrapper {
        min-height: 100vh; /* Mantiene altura mínima en móviles */
    }
    
    .contact-btn {
        padding: 10px;
    }
    
    .contact-btn i {
        font-size: 28px;  /* Aumentado de 22px a 28px */
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .container {
        max-width: 450px;
    }
    
    .card {
        min-height: 580px;
    }
    
    .rack-types {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .card-front, .card-back {
        padding: 20px;
    }
    
    .card-front .content-wrapper,
    .card-back .content-wrapper {
        padding: 10px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 500px;
    }
    
    .card {
        min-height: 620px;
        height: auto;
    }
    
    .card-front, .card-back {
        min-height: auto;
    }
    
    .card-front .content-wrapper,
    .card-back .content-wrapper {
        min-height: auto; /* Evita que se extienda más allá del contenido */
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 550px;
    }
    
    .card {
        min-height: 650px;
    }
}

/* Estilos mejorados para los botones de contacto */

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 25px 0;
    width: 100%;
}

.contact-btn {
    display: flex;
    align-items: center;
    background: var(--accent-color);  /* Fondo naranja */
    color: white !important;
    padding: 12px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 100%;
}

.contact-btn:hover {
    background: #d35400;  /* Naranja más oscuro al hacer hover */
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.contact-btn i {
    color: white;  /* Iconos blancos */
    margin-right: 15px;
    font-size: 30px;  /* Aumentado de 24px a 30px */
    width: 35px;  /* Aumentado para dar más espacio */
    text-align: center;
}

.btn-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.contact-detail {
    font-size: 16px;  /* Aumentado de 14px */
    letter-spacing: 0.5px;
    margin-bottom: 3px;
    font-weight: 600;  /* Añadido para mayor énfasis */
}

.btn-content span {
    font-size: 14px;  /* Aumentado de 12px */
    opacity: 0.9;
}

@media (max-width: 480px) {
    .contact-btn {
        padding: 10px;
    }
    
    .contact-btn i {
        font-size: 28px;  /* Iconos más grandes también en móvil */
    }
    
    .contact-detail {
        font-size: 16px;  /* Aumentado de 13px */
    }
    
    .btn-content span {
        font-size: 13px;  /* Aumentado de 11px */
    }
}

/* Imagen circular en la parte trasera */
.circular-image {
    width: 300px;
    height: 300px;
    margin: 30px auto;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2), 0 0 0 3px rgba(15, 52, 96, 0.2);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.circular-image:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25), 0 0 0 4px rgba(15, 52, 96, 0.3);
}

.circular-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.circular-image:hover img {
    transform: scale(1.05);
}

/* Ajustes responsive */
@media (max-width: 580px) {
    .circular-image {
        width: 280px;
        height: 280px;
        margin: 20px auto;
    }
}