:root {
    --bg-color: #ffffff;
    --text-main: #333333;
    --text-light: #666666;
    --primary: #0077b6;     /* Azul médico */
    --secondary: #00b4d8;   /* Azul claro */
    --accent: #48cae4;      /* Turquesa / Celeste */
    --card-bg: #f8f9fa;
    --border: #e9ecef;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

@keyframes heartbeat {
    0% { transform: scale(1); }
    14% { transform: scale(1.15); }
    28% { transform: scale(1); }
    42% { transform: scale(1.15); }
    70% { transform: scale(1); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Utility Classes */
.fade-in { opacity: 0; animation: fadeIn 1s ease-out forwards; }
.slide-up { opacity: 0; transform: translateY(40px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.slide-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { animation-delay: 0.3s; transition-delay: 0.3s; }
.delay-2 { animation-delay: 0.6s; transition-delay: 0.6s; }
.delay-3 { animation-delay: 0.9s; transition-delay: 0.9s; }
.floating { animation: float 4s ease-in-out infinite; }
.heartbeat { animation: heartbeat 2s infinite; color: var(--accent); }
.heartbeat-slow { animation: heartbeat 3s infinite; color: var(--accent); }

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: rgba(255, 255, 255, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    backdrop-filter: blur(10px);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.nav a {
    text-decoration: none;
    color: var(--text-main);
    margin-left: 20px;
    font-weight: 600;
    transition: color 0.3s;
}

.nav a:hover {
    color: var(--accent);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 119, 182, 0.4);
}

.btn-secondary {
    background: var(--accent);
    color: white;
}

.btn-secondary:hover {
    background: var(--secondary);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
    padding: 100px 5% 50px;
    background: radial-gradient(circle at top right, rgba(72, 202, 228, 0.1), transparent 50%),
                radial-gradient(circle at bottom left, rgba(0, 119, 182, 0.05), transparent 50%);
}

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 20px;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-image-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 650px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    object-fit: cover;
    border: 4px solid white;
}

.hero-image.logo-transparente {
    opacity: 0.8;
    border: none;
    box-shadow: none;
    mix-blend-mode: multiply; /* Elimina el fondo blanco de la imagen para integrarla mejor */
    max-width: 650px;
}

/* Services */
.services {
    padding: 80px 5%;
    background-color: var(--bg-color);
}

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

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

.section-header p {
    color: var(--text-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border: 1px solid var(--border);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 119, 182, 0.1);
    border-color: var(--accent);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--text-main);
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Contact */
.contact {
    padding: 80px 5%;
    background: linear-gradient(135deg, var(--card-bg), #e0fbfc);
}

.contact-container {
    display: flex;
    gap: 50px;
    background: white;
    padding: 50px;
    border-radius: 30px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.contact-info {
    flex: 1;
}

.contact-info h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.contact-info > p {
    margin-bottom: 30px;
    color: var(--text-light);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--accent);
    margin-top: 5px;
}

.contact-form {
    flex: 1;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
}

.contact-form h3 {
    margin-bottom: 20px;
    color: var(--text-main);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-family: 'Outfit', sans-serif;
    outline: none;
    transition: border-color 0.3s;
}

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

footer {
    text-align: center;
    padding: 20px;
    background: white;
    color: var(--text-light);
    border-top: 1px solid var(--border);
}

/* Process */
.process {
    padding: 80px 5%;
    background: white;
}
.process-steps {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    text-align: center;
}
.step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
}
.step-number {
    width: 60px;
    height: 60px;
    background: var(--accent);
    color: white;
    font-size: 1.8rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 10px 20px rgba(72, 202, 228, 0.3);
}
.step h4 {
    color: var(--primary);
    margin-bottom: 10px;
}
.step p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Testimonials */
.testimonials {
    padding: 80px 5%;
    background: var(--card-bg);
}
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}
.testimonial-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    position: relative;
    border-top: 4px solid var(--accent);
}
.quote-icon {
    color: var(--accent);
    font-size: 2rem;
    opacity: 0.2;
    position: absolute;
    top: 20px;
    right: 30px;
}
.testimonial-card p {
    color: var(--text-main);
    font-style: italic;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}
.patient-info strong {
    display: block;
    color: var(--primary);
}
.patient-info span {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Audio Toggle */
.audio-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.audio-toggle:hover {
    transform: scale(1.1);
    background: var(--accent);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #25d366; /* Color oficial de WhatsApp */
    color: white;
    text-align: center;
    font-size: 2rem;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    animation: pulse-wa 2s infinite;
}

.whatsapp-float:hover {
    background-color: #128c7e;
    color: white;
    transform: scale(1.1);
    animation: none; /* Detener la animación al pasar el mouse */
}

@keyframes pulse-wa {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .contact-container {
        flex-direction: column;
    }
}