:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray: #f5f5f5;
    --color-darkgray: #333333;
    --color-pink: #ffd0e0;
    --color-purple: #9370db;
    --color-header-gradient: linear-gradient(135deg, #2a2a2a, #333333, #2a2a2a);
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Playfair Display', serif;
}

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

body {
    font-family: var(--font-primary);
    color: var(--color-darkgray);
    background: var(--color-white);
    padding-top: 80px; /* Add padding for fixed header */
}

/* Header & Navigation */
header {
    background: var(--color-header-gradient);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

/* Navigation Styles */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: var(--color-header-gradient);
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

.logo h1 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    background: linear-gradient(90deg, #ffffff 50%, var(--color-pink) 50%, var(--color-purple) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0;
}

.menu-btn {
    display: none;
    color: var(--color-white);
    font-size: 1.8rem;
    cursor: pointer;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    z-index: 1001;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #333333, #3a3a3a, #333333);
    border-radius: 25px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-links li {
    position: relative;
    margin: 0 0.8rem;
}

.nav-links li a {
    text-decoration: none;
    color: var(--color-white);
    font-weight: 500;
    padding: 8px 15px;
    display: flex;
    align-items: center;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav-links li a i {
    margin-left: 6px;
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.nav-links a:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--color-purple);
    background: linear-gradient(135deg, rgba(255,208,224,0.15), rgba(147,112,219,0.15));
}

.nav-links a:hover:before {
    width: 100%;
}

.nav-links a.active {
    background: linear-gradient(135deg, rgba(255,208,224,0.2), rgba(147,112,219,0.2));
    color: var(--color-pink);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: linear-gradient(120deg, #2c2c2c, #333333, #2c2c2c);
    border-radius: 10px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border: 1px solid rgba(147, 112, 219, 0.2);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
    padding: 0;
}

.dropdown-menu li a {
    padding: 10px 20px;
    display: block;
    border-radius: 0;
    font-size: 0.95rem;
    white-space: nowrap;
}

.nav-links li:hover > a i {
    transform: rotate(-180deg);
}

/* Utility bar styles */
.utility-bar {
    display: flex;
    align-items: center;
}

.search-form {
    position: relative;
    margin-right: 20px;
}

.search-form input {
    background: #2c2c2c;
    color: var(--color-white);
    border: 1px solid #444;
    padding: 8px 15px;
    border-radius: 20px;
    outline: none;
    transition: all 0.3s ease;
    width: 200px;
}

.search-form input::placeholder {
    color: #888;
}

.search-form input:focus {
    border-color: var(--color-purple);
}

.search-form button {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: #777;
}

.user-actions {
    display: flex;
    gap: 15px;
}

.user-actions a {
    color: var(--color-white);
    opacity: 0.8;
    transition: all 0.3s ease;
}

.user-actions a:hover {
    color: var(--color-purple);
    opacity: 1;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: linear-gradient(135deg, #2c2c2c, #3a3a3a, #2c2c2c);
    background-color: #333; /* Color de respaldo mientras carga la imagen */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6); /* Overlay oscuro para mejorar legibilidad */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 2rem;
    animation: fadeIn 1s ease-in;
    color: white; /* Aseguramos que el texto sea blanco */
}

.hero-content h2 {
    font-family: var(--font-secondary);
    font-size: 3rem;
    margin-bottom: 1rem;
    color: white; /* Forzamos el color blanco para el título */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5); /* Sombra para mejor legibilidad */
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: white; /* Forzamos el color blanco para el párrafo */
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5); /* Sombra para mejor legibilidad */
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.btn-primary {
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
    color: var(--color-white);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

/* Services Section */
.services {
    padding: 5rem 5% 3rem;
    background-color: var(--color-gray);
}

.section-heading {
    text-align: center;
    margin-bottom: 4rem;
}

.section-heading h2 {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.section-heading h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
    border-radius: 2px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: var(--container-width);
    margin: 0 auto;
}

.service-card {
    background: var(--color-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.service-img {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.service-img:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to top, rgba(0,0,0,0.2), transparent);
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.service-img img.loaded {
    opacity: 1;
}

.service-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-content h3 {
    margin-bottom: 15px;
    font-family: var(--font-secondary);
    font-size: 1.4rem;
    color: var(--color-darkgray);
}

.service-content p {
    flex: 1;
    margin-bottom: 1rem;
    color: #666;
    line-height: 1.6;
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-purple);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    padding: 5px 0;
}

.service-link:after {
    content: '→';
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.service-link:hover:after {
    transform: translateX(5px);
}

.service-link:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.service-link:hover:before {
    transform: scaleX(1);
}

/* Appointment Section */
.appointment {
    padding: 5rem 5%;
    background: linear-gradient(to right, var(--color-white), var(--color-pink) 30%, var(--color-white));
}

.appointment-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.appointment-text {
    flex: 1;
    padding-right: 50px;
}

.appointment-text h2 {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.appointment-text p {
    margin-bottom: 30px;
    line-height: 1.6;
}

.appointment-form {
    flex: 1;
    background: var(--color-white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
    transition: border 0.3s ease;
    font-family: var(--font-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-purple);
}

.submit-btn {
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
    color: var(--color-white);
    border: none;
    padding: 12px 25px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    width: 100%;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Testimonials */
.testimonials {
    padding: 5rem 5%;
    background-color: var(--color-white);
}

.testimonial-slider {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.testimonial-slide {
    text-align: center;
    padding: 20px;
}

.testimonial-content {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
}

.testimonial-content:before,
.testimonial-content:after {
    content: '"';
    font-size: 2rem;
    color: var(--color-pink);
    position: absolute;
}

.testimonial-content:before {
    top: -10px;
    left: -15px;
}

.testimonial-content:after {
    bottom: -10px;
    right: -15px;
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-darkgray);
}

.testimonial-position {
    font-size: 0.9rem;
    color: #777;
}

/* About Us */
.about {
    padding: 5rem 5%;
    background-color: var(--color-gray);
}

.about-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.about-img {
    flex: 1;
    padding-right: 50px;
}

.about-img img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.about-content {
    flex: 1;
}

.about-content h2 {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    margin-bottom: 20px;
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 70px;
    height: 3px;
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
}

.about-content p {
    margin-bottom: 20px;
    line-height: 1.6;
}

/* Contact */
.contact {
    padding: 5rem 5%;
    background: linear-gradient(to bottom, var(--color-white), var(--color-pink) 50%, var(--color-white));
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    background: var(--color-white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.contact-info h3 {
    font-family: var(--font-secondary);
    margin-bottom: 20px;
    position: relative;
}

.contact-info h3:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
}

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

.contact-info p i {
    margin-right: 10px;
    color: var(--color-purple);
}

.contact-form {
    background: var(--color-white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.contact-form h3 {
    font-family: var(--font-secondary);
    margin-bottom: 20px;
    position: relative;
}

.contact-form h3:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
}

/* Footer */
footer {
    background-color: var(--color-darkgray);
    color: var(--color-white);
    padding: 3rem 5% 1rem;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h4 {
    font-family: var(--font-secondary);
    margin-bottom: 20px;
    position: relative;
}

.footer-col h4:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col ul a:hover {
    color: var(--color-pink);
}

.social-links {
    display: flex;
    margin-top: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background: #444;
    color: var(--color-white);
    border-radius: 50%;
    margin-right: 10px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    font-size: 0.9rem;
    color: #aaa;
}

/* Support Section */
.tech-support {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.support-button {
    width: 60px;
    height: 60px;
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.support-button:hover {
    transform: scale(1.1);
}

.support-chat {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 300px;
    height: 400px;
    background: var(--color-white);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    overflow: hidden;
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.support-chat.active {
    display: flex;
    flex-direction: column;
    opacity: 1;
    transform: translateY(0);
}

.chat-header {
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
    color: var(--color-white);
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-header h4 {
    margin: 0;
}

.close-chat {
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    font-size: 1.2rem;
}

.chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
}

.chat-input {
    padding: 15px;
    border-top: 1px solid #eee;
    display: flex;
}

.chat-input input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-right: 10px;
    outline: none;
}

.chat-input button {
    background: linear-gradient(to right, var(--color-pink), var(--color-purple));
    color: var(--color-white);
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
}

/* Responsive Design */
@media (max-width: 992px) {
    .appointment-container,
    .about-container {
        flex-direction: column;
    }

    .appointment-text,
    .about-img {
        padding-right: 0;
        margin-bottom: 30px;
        text-align: center;
    }

    .about-content h2:after,
    .about-content p {
        margin-left: auto;
        margin-right: auto;
    }
}

/* Mobile Styles */
@media (max-width: 992px) {
    .menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: linear-gradient(135deg, #2c2c2c, #333333, #2c2c2c);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 2rem 2rem;
        transition: all 0.3s ease;
        overflow-y: auto;
        border-radius: 0;
        z-index: 1000;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        width: 100%;
        margin: 0;
        padding: 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links li a {
        padding: 15px;
        width: 100%;
        justify-content: space-between;
        font-size: 1.1rem;
        border-radius: 0;
    }

    .dropdown-menu {
        position: static;
        width: 100%;
        background: transparent;
        box-shadow: none;
        border: none;
        padding: 0;
        max-height: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        overflow: hidden;
        transition: max-height 0.3s ease;
        margin-left: 1rem;
        border-left: 2px solid var(--color-pink);
    }

    .dropdown.active .dropdown-menu {
        max-height: 1000px;
        padding: 0.5rem 0;
    }

    .dropdown-menu li {
        border: none;
    }

    .dropdown-menu li a {
        padding: 12px 15px;
        font-size: 1rem;
        opacity: 0.9;
        transform: none;
    }

    .utility-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, #2c2c2c, #333333, #2c2c2c);
        padding: 1rem;
        display: flex;
        justify-content: center;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
        z-index: 999;
    }

    .search-form {
        display: none;
    }

    .user-actions {
        display: flex;
        gap: 2rem;
    }

    .user-actions a {
        color: var(--color-white);
        font-size: 1.5rem;
        padding: 10px;
        background: linear-gradient(135deg, rgba(255,208,224,0.15), rgba(147,112,219,0.15));
        border-radius: 50%;
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
    }

    .user-actions a:hover {
        background: linear-gradient(135deg, rgba(255,208,224,0.3), rgba(147,112,219,0.3));
        transform: translateY(-2px);
    }
}

@media (max-width: 768px) {
    .menu-btn {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
        z-index: 1000;
        padding: 0.5rem;
        margin-right: 1rem;
    }

    .menu-btn.active {
        color: var(--primary-color);
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--color-white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 2rem;
        transition: all 0.3s ease;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        overflow-y: auto;
        z-index: 999;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 15px 0;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        width: 100%;
        text-align: center;
    }

    .dropdown.active .dropdown-menu {
        max-height: 500px;
    }

    .hero h2 {
        font-size: 2.5rem;
    }

    .search-form {
        display: none;
    }

    .service-img {
        height: 150px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: 0.8rem 1rem;
    }

    .logo img {
        height: 40px;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    .nav-links {
        padding-top: 70px;
    }

    .hero h2 {
        font-size: 2rem;
    }

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

    .section-heading h2 {
        font-size: 2rem;
    }

    .appointment-text h2,
    .about-content h2 {
        font-size: 2rem;
    }

    .user-actions {
        display: none;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.appointment-form {
    max-width: 500px;
    margin: 0 auto;
    padding: 2rem;
    text-align: left;
    border-radius: 15px;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.appointment-form label {
    color: var(--color-darkgray);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.appointment-form input,
.appointment-form select,
.appointment-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.appointment-form input:focus,
.appointment-form select:focus,
.appointment-form textarea:focus {
    border-color: var(--color-purple);
    box-shadow: 0 0 8px rgba(147, 112, 219, 0.2);
}

/* Estilos para campos con error */
.appointment-form input.error,
.appointment-form select.error,
.appointment-form textarea.error {
    border-color: #dc3545;
    background-color: rgba(220, 53, 69, 0.05);
}

.appointment-form input.error:focus,
.appointment-form select.error:focus,
.appointment-form textarea.error:focus {
    border-color: #dc3545;
    box-shadow: 0 0 8px rgba(220, 53, 69, 0.3);
}

.search-form input.error {
    border-color: #dc3545;
    background-color: rgba(220, 53, 69, 0.05);
}

.search-form input.error:focus {
    border-color: #dc3545;
    box-shadow: 0 0 8px rgba(220, 53, 69, 0.3);
}

.appointment-form .submit-btn {
    background: linear-gradient(45deg, var(--color-pink), var(--color-purple));
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1px;
    box-shadow: 0 5px 15px rgba(147, 112, 219, 0.3);
}
@media (max-width: 768px) {
    /* Menú móvil */
    .navbar {
        padding: 1rem;
    }

    .menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        padding: 2rem;
        transition: 0.3s;
        overflow-y: auto;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 1rem 0;
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        width: 100%;
        box-shadow: none;
        display: none;
        padding-left: 1rem;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }

    /* Barra de utilidades */
    .utility-bar {
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .search-form {
        order: 3;
        width: 100%;
        margin-top: 1rem;
    }

    .search-form input {
        width: 100%;
    }
}

img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    /* Contenido responsivo */
    .services-grid,
    .team-container,
    .mvv-container,
    .achievements-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-card,
    .team-member,
    .mvv-card,
    .achievement-item {
        margin-bottom: 1.5rem;
    }

    /* Ajuste de textos */
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    /* Ajustes de padding */
    section {
        padding: 3rem 1rem;
    }

    /* Footer responsivo */
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-col {
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    /* Formularios */
    .appointment-form,
    .contact-form {
        width: 100%;
        padding: 1rem;
    }

    input,
    select,
    textarea {
        width: 100%;
    }

    .form-group {
        margin-bottom: 1rem;
    }
}

/* Lazy loading para imágenes */
.lazy-image {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.lazy-image.loaded {
    opacity: 1;
}

/* Lazy loading para secciones */
.lazy-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
}

.lazy-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Desktop dropdown styles */
@media (min-width: 993px) {
    .dropdown-menu {
        position: absolute;
        top: 100%;
        left: 0;
        background: linear-gradient(120deg, #2c2c2c, #333333, #2c2c2c);
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        min-width: 200px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: all 0.3s ease;
        z-index: 100;
        border-radius: 10px;
        padding: 10px 0;
        border: 1px solid rgba(147, 112, 219, 0.2);
    }

    .dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

/* Mobile Menu Styles */
@media screen and (max-width: 992px) {
    .menu-btn {
        display: flex;
        position: relative;
        z-index: 1002;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: linear-gradient(135deg, #2a2a2a, #333333);
        flex-direction: column;
        padding: 80px 20px 30px;
        transition: 0.4s ease-in-out;
        overflow-y: auto;
        border-radius: 0;
        box-shadow: -5px 0 15px rgba(0,0,0,0.2);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 0.5rem 0;
        width: 100%;
    }

    .nav-links li a {
        padding: 12px 15px;
        width: 100%;
        border-radius: 8px;
        font-size: 1.1rem;
    }

    .dropdown-menu {
        position: static;
        background: rgba(0,0,0,0.2);
        padding: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        height: 0;
        overflow: hidden;
        transition: height 0.3s ease;
        box-shadow: none;
        border: none;
        border-left: 3px solid var(--color-purple);
        margin: 0 0 0 15px;
    }

    .dropdown.active .dropdown-menu {
        height: auto;
        padding: 0.5rem 0;
    }

    .dropdown-menu li a {
        padding: 10px 15px;
        font-size: 1rem;
    }

    .utility-bar {
        transition: transform 0.3s ease;
    }
}

/* Touch-specific improvements */
@media (hover: none) {
    .nav-links a:hover {
        background: none;
    }

    .nav-links a:active {
        background: linear-gradient(135deg, rgba(255,208,224,0.2), rgba(147,112,219,0.2));
    }
}

/* Prevent body scroll when menu is open */
body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}