/* --- Estilos Globales --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');
:root {
    --primary-blue: #1a73e8;
    --primary-green: #34a853;
    --dark-gray: #333;
    --light-gray: #f4f4f4;
    --white: #ffffff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Montserrat', sans-serif; line-height: 1.6; color: var(--dark-gray); background-color: var(--white); }

/* --- Header --- */
.main-header { position: fixed; top: 0; left: 0; width: 100%; background-color: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.main-nav { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; padding: 1rem 2rem; }
.logo a { text-decoration: none; color: var(--primary-blue); font-weight: 700; font-size: 1.5rem; }
.nav-links { list-style: none; display: flex; gap: 1.5rem; }
.nav-links a { text-decoration: none; color: var(--dark-gray); font-weight: 700; transition: color 0.3s ease; }
.nav-links a:hover { color: var(--primary-blue); }
.lang-switcher { display: flex; gap: 0.5rem; }
.lang-btn { background: none; border: 1px solid var(--dark-gray); padding: 0.3rem 0.6rem; cursor: pointer; font-weight: 700; border-radius: 5px; transition: background-color 0.3s, color 0.3s; }
.lang-btn.active { background-color: var(--primary-blue); color: var(--white); border-color: var(--primary-blue); }

/* --- Contenedor de Sección General --- */
.section-container {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

/* --- Secciones Parallax y Contenido --- */
.parallax-section { position: relative; padding: 5rem 2rem; background-attachment: fixed; background-position: center; background-repeat: no-repeat; background-size: cover; }
.parallax-section::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(4, 30, 66, 0.6); } /* Overlay más oscuro para mejor contraste */
#home.parallax-section { height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.hero-content { z-index: 1; color: var(--white); }
.hero-content h1 { font-size: 3.5rem; margin-bottom: 1rem; }
.hero-content p { font-size: 1.2rem; margin-bottom: 2rem; }
.content-section { padding: 5rem 2rem; }
.content-section h2, .parallax-section h2 { font-size: 2.5rem; color: var(--primary-blue); margin-bottom: 3rem; text-align: center; }
.emergency-section { background-color: var(--primary-green); color: var(--white); text-align: center; padding: 1rem; font-size: 1.1rem; }
.emergency-section a { color: var(--white); font-weight: 700; }

/* --- Botones --- */
.cta-button {
    display: inline-block; background-color: var(--primary-blue); color: var(--white); padding: 0.8rem 2rem;
    border-radius: 5px; text-decoration: none; font-weight: 700; transition: background-color 0.3s ease, transform 0.2s ease;
    border: none; cursor: pointer; text-align: center;
}
.cta-button:disabled { background-color: #aaa; cursor: not-allowed; }
.cta-button:hover:not(:disabled) { background-color: #1669d2; transform: translateY(-2px); }

/* --- Sección "Sobre el Dr." con Acordeón --- */
.about-intro { display: flex; gap: 2rem; align-items: center; text-align: left; margin-bottom: 3rem; }
.about-image img { max-width: 200px; height: 200px; object-fit: cover; border-radius: 50%; box-shadow: 0 4px 15px rgba(0,0,0,0.2); }
.accordion { max-width: 800px; margin: 0 auto; }
.accordion-item { border-bottom: 1px solid #ddd; }
.accordion-header { background: none; border: none; width: 100%; text-align: left; padding: 1.2rem 1rem; font-size: 1.1rem; font-weight: 700; cursor: pointer; position: relative; transition: background-color 0.3s; }
.accordion-header:hover { background-color: #f7f7f7; }
.accordion-header::after { content: '\f067'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; right: 1rem; transition: transform 0.3s ease; }
.accordion-header.active::after { transform: rotate(45deg); }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out; background-color: #f9f9f9; }
.accordion-content ul { list-style-position: inside; padding: 1.5rem 2rem; text-align: left; }
.accordion-content li { margin-bottom: 0.5rem; }

/* --- CORRECCIÓN: Sección "Servicios" con Tarjetas --- */
#services h2 {
    color: var(--white); /* Título en blanco para que contraste con el fondo oscuro */
}
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.service-card { background-color: rgba(255, 255, 255, 0.95); /* Fondo más opaco */ color: var(--dark-gray); padding: 2rem; border-radius: 10px; text-align: center; box-shadow: 0 5px 15px rgba(0,0,0,0.1); transition: transform 0.3s, box-shadow 0.3s; }
.service-card:hover { transform: translateY(-10px); box-shadow: 0 10px 25px rgba(0,0,0,0.15); }
.service-card i { font-size: 3rem; color: var(--primary-blue); margin-bottom: 1rem; }
.service-card h3 { margin-bottom: 0.5rem; font-size: 1.3rem; }
.service-card p { font-size: 0.95rem; }

/* --- Formulario de Contacto --- */
.contact-section-wrapper { display: flex; justify-content: center; align-items: center; }
.form-wrapper { position: relative; z-index: 2; background-color: rgba(255, 255, 255, 0.95); padding: 2.5rem; border-radius: 10px; box-shadow: 0 8px 30px rgba(0,0,0,0.15); width: 100%; max-width: 800px; }
.form-wrapper h2 { color: var(--primary-blue); margin-top: 0; margin-bottom: 2rem; }
.contact-form { display: grid; gap: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-group { display: flex; flex-direction: column; text-align: left; }
.form-group label { margin-bottom: 0.5rem; font-weight: 700; }
.form-group input, .form-group textarea, .form-group select { padding: 0.8rem; border: 1px solid #ccc; border-radius: 5px; font-family: 'Montserrat', sans-serif; font-size: 1rem; width: 100%; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--primary-blue); box-shadow: 0 0 5px rgba(26, 115, 232, 0.5); }
#form-status { margin-top: 1rem; font-weight: 700; text-align: center; min-height: 1.2em; }
.contact-form .cta-button { width: 100%; padding: 1rem; font-size: 1.1rem; }

/* --- Footer y Animaciones --- */
.main-footer { background-color: var(--dark-gray); color: var(--light-gray); text-align: center; padding: 2rem; }
.footer-content a { color: var(--primary-green); text-decoration: none; }
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- Responsive --- */
@media (max-width: 768px) {
    .main-nav { flex-direction: column; gap: 1rem; }
    .nav-links { gap: 1rem; padding-top: 1rem; border-top: 1px solid var(--light-gray); width: 100%; justify-content: center; }
    .hero-content h1 { font-size: 2.8rem; }
    .about-intro { flex-direction: column; text-align: center; }
    .parallax-section { height: auto; min-height: 60vh; padding: 4rem 1rem; }
    .form-row { grid-template-columns: 1fr; }
}