/* Estilos Generales y Resets Básicos */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Roboto', sans-serif; line-height: 1.6; color: #333; background-color: #f9f9f9; }
html { scroll-behavior: smooth; }
.container { width: 90%; max-width: 1100px; margin: 0 auto; padding: 0 15px; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: #007bff; }
a:hover { text-decoration: underline; }
ul { list-style: none; padding-left: 0; }
h1, h2, h3, h4, h5, h6 { font-family: 'Montserrat', sans-serif; font-weight: 700; margin-bottom: 1rem; color: #2c3e50; }
h1 { font-size: 2.8rem; font-weight: 800;}
h2 { font-size: 2.2rem; font-weight: 700;}
h3 { font-size: 1.5rem; font-weight: 500;}
p { margin-bottom: 1rem; color: #555; }

/* Variables CSS (opcional, pero útil para consistencia) */
:root {
    --primary-color: #007bff;
    --secondary-color: #2c3e50;
    --dark-color: #333;
    --white-color: #fff;
    --light-gray-color: #f8f9fa;
    --border-color: #dee2e6;
    --border-radius: 5px;
    --box-shadow-light: 0 .125rem .25rem rgba(0,0,0,.075);
    --box-shadow-medium: 0 .5rem 1rem rgba(0,0,0,.15);
    --font-primary: 'Roboto', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
}

/* Header y Navegación */
header { background-color: var(--white-color); box-shadow: var(--box-shadow-light); padding: 0.5rem 0; position: sticky; top: 0; z-index: 1000; width: 100%; }
header .container { display: flex; justify-content: space-between; align-items: center; }

.logo img#header-logo-img { /* Estilo para la imagen del logo en el header */
    height: 50px; /* Ajusta esta altura según el tamaño deseado para tu logo */
    width: auto;  /* Mantiene la proporción */
    display: block; /* Evita espacio extra debajo de la imagen */
}

.nav-menu { display: flex; align-items: center; }
.nav-menu li { margin-left: 20px; }
.nav-menu a { font-family: var(--font-secondary); font-weight: 500; color: var(--dark-color); text-decoration: none; padding: 0.5rem 0; position: relative; transition: color 0.3s ease; }
.nav-menu a.active, .nav-menu a:hover { color: var(--primary-color); }
.nav-menu a.active::after, .nav-menu a:hover::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 100%; height: 2px; background-color: var(--primary-color); }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0; }
.menu-toggle .bar { display: block; width: 25px; height: 3px; margin: 5px auto; background-color: var(--dark-color); transition: all 0.3s ease-in-out; }

/* Hero Section (index.html) */
#hero { position: relative; height: 80vh; min-height: 400px; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--white-color); overflow: hidden; }
#hero-video { position: absolute; top: 50%; left: 50%; min-width: 100%; min-height: 100%; width: auto; height: auto; object-fit: cover; transform: translate(-50%, -50%); z-index: -2; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.6); z-index: -1; }
#hero .container { position: relative; z-index: 1; padding: 20px; }
#hero h1 { font-size: 3rem; margin-bottom: 20px; font-weight: 800; color: var(--white-color); text-shadow: 1px 1px 3px rgba(0,0,0,0.3); }
#hero p { font-size: 1.2rem; margin-bottom: 30px; max-width: 700px; margin-left: auto; margin-right: auto; color: #f0f0f0; text-shadow: 1px 1px 2px rgba(0,0,0,0.2); }

/* Botones */
.cta-button, .cta-button-secondary { display: inline-block; padding: 12px 25px; border-radius: var(--border-radius); font-family: var(--font-secondary); font-weight: 700; text-decoration: none; transition: background-color 0.3s ease, transform 0.2s ease; font-size: 1rem; cursor: pointer; border: 2px solid var(--primary-color); }
.cta-button { background-color: var(--primary-color); color: var(--white-color); }
.cta-button:hover { background-color: #0056b3; border-color: #0056b3; text-decoration: none; transform: translateY(-2px); }
.cta-button-secondary { background-color: transparent; color: var(--primary-color); }
.cta-button-secondary:hover { background-color: var(--primary-color); color: var(--white-color); text-decoration: none; transform: translateY(-2px); }

/* Estructura general */
.section-padding { padding: 60px 0; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 { margin-bottom: 1rem; }
.section-header p { max-width: 800px; margin: 0 auto; }
.call-to-action-section { background-color: var(--light-gray-color); text-align: center; border-radius: 8px; padding: 40px 20px; /* Añadido padding para que no quede pegado */ }


/* Sobre Mí Breve (index.html) - Estilos para el logo */
#sobre-mi-breve .sobre-mi-content { display: flex; align-items: center; gap: 30px; margin-bottom: 30px; }
#sobre-mi-breve .profile-pic { /* Esta clase ahora es para el logo */
    width: auto; 
    max-width: 200px; /* Ajusta este valor para el tamaño deseado del logo */
    height: auto;   
    object-fit: contain; 
    border-radius: 0; 
    border: none; 
    background-color: transparent; 
    margin: 0; 
}
#sobre-mi-breve .sobre-mi-content > div { /* Para el texto al lado del logo */
    flex: 1;
}

/* Servicios Destacados (index.html) */
#servicios-destacados { background-color: #eef5ff; }
.servicios-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.servicio-item { background-color: var(--white-color); padding: 30px; border-radius: var(--border-radius); box-shadow: var(--box-shadow-light); text-align: center; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.servicio-item:hover { transform: translateY(-5px); box-shadow: var(--box-shadow-medium); }
.servicio-item img { width: 60px; height: 60px; margin: 0 auto 15px auto; }
.servicio-item h3 { font-size: 1.3rem; }
.servicio-item .service-category {
    display: block;
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 5px;
}

/* Portafolio Grid (Ambas páginas) */
.portafolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.portafolio-item { background-color: var(--white-color); border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--box-shadow-light); display: flex; flex-direction: column; transition: transform 0.3s ease, box-shadow 0.3s ease; border: 1px solid var(--border-color);}
.portafolio-item:hover { transform: translateY(-5px); box-shadow: var(--box-shadow-medium); }
.portafolio-item img { width: 100%; height: 220px; object-fit: cover; }
.portafolio-item-content { padding: 20px; flex-grow: 1; display: flex; flex-direction: column; }
.portafolio-item-content h3 { font-size: 1.4rem; font-weight: 700; }
.portafolio-item-content .project-summary { font-size: 0.9rem; flex-grow: 1; }
.portafolio-item-content .project-tech-label, .portafolio-item-content .project-highlight-label { font-size: 0.85rem; font-weight: 700; color: var(--dark-color); margin-top: 15px; margin-bottom: 5px; }
.portafolio-item-content .project-tech { font-size: 0.8rem; color: #555; word-break: break-word; }
.portafolio-item-content .project-highlights { list-style: disc; padding-left: 20px; margin-top: 0; }
.portafolio-item-content .project-highlights li { margin-bottom: 5px; font-size: 0.9rem; }
.portafolio-item-content .cta-button-secondary { margin-top: auto; align-self: flex-start; }

/* Página de Servicios Detallados (servicios.html) */
.servicio-card { background-color: var(--white-color); padding: 30px; border-radius: var(--border-radius); margin-bottom: 30px; box-shadow: var(--box-shadow-light); border-left: 5px solid var(--primary-color); }
.servicio-card h3 { color: var(--primary-color); font-size: 1.6rem; }
.servicio-card p { margin-bottom: 1rem; }
.servicio-card p strong { color: var(--secondary-color); }
.servicio-card ul { margin-top: 10px; padding-left: 0; list-style-type: none; }
.servicio-card ul li { 
    padding: 2px 0 !important; 
    margin: 0 0 5px 0 !important; 
    color: #555 !important; 
    font-size: 1rem !important; 
}

/* Página "Sobre DUSOLAI" (sobre-mi.html) */
.about-me-section .container { display: flex; flex-wrap: wrap; gap: 40px; align-items: flex-start; }
.about-me-image { flex: 0 0 300px; /* Ancho fijo para la columna del logo */ text-align: center; margin-right:30px; }
.about-me-image img { /* Estilos para el logo en la página "Sobre DUSOLAI" */
    width: auto; 
    max-width: 250px; /* Ajusta el tamaño máximo del logo aquí */
    height: auto;
    object-fit: contain;
    border-radius: 0; 
    box-shadow: none; 
    border: none;
    margin: 0 auto 10px auto; 
}
.about-me-image p { 
    text-align:center; 
    margin-top:10px; 
    font-style:italic; 
    color: var(--secondary-color);
}
.about-me-text { flex: 1; min-width: 300px; }
.about-me-text h3 { margin-top: 35px; margin-bottom:18px; font-size:1.9rem; color:var(--primary-color); border-bottom: 2px solid var(--light-gray-color); padding-bottom: 8px; }
.about-me-text h3:first-of-type { margin-top:0; }

.education-list li, .courses-list li { margin-bottom: 10px; padding-left: 25px; position:relative; } 
.education-list li::before, .courses-list li::before { 
    content: "🏆"; 
    position: absolute;
    left: 0;
    top: 2px; 
    color: var(--primary-color);
    font-size: 1em; 
}
.courses-list li::before { content: "💡"; } 

.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 15px; margin-top:20px; }
.skill-item { background-color:var(--light-gray-color); padding:12px 18px; border-radius:var(--border-radius); font-weight:500; color: var(--dark-color); border-left: 4px solid var(--primary-color); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.skill-item:hover { transform: translateY(-3px); box-shadow: var(--box-shadow-light); }

.competencias-list li { margin-bottom: 10px; padding-left: 25px; position:relative; }
.competencias-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--primary-color);
    font-weight: bold;
}
.competencias-list strong { color: var(--dark-color); font-weight: 700;}

.additional-info-block { background-color: var(--light-gray-color); padding: 20px; border-radius: var(--border-radius); margin-top: 25px; border-left: 5px solid var(--secondary-color); }
.additional-info-block p { margin-bottom: 8px; }

/* Página de Contacto (contacto.html) */
/* Los estilos específicos de contacto.html se pueden mantener en su <style> o mover aquí */
.contact-section { padding: 60px 0; }
.contact-section > .container { max-width: 800px; }
.contact-form-container { background-color: var(--white-color); padding: 40px; border-radius: var(--border-radius); box-shadow: var(--box-shadow-medium); }
.form-group { margin-bottom: 25px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; color: var(--dark-color); }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}
.form-group textarea { min-height: 150px; resize: vertical; }
.contact-info { margin-top: 40px; text-align:center; }
.contact-info h3 { font-size: 1.5rem; margin-bottom:15px; }
.contact-info p { font-size: 1.1rem; margin-bottom:10px; }
.contact-info a { font-weight:500; }

/* Footer */
footer { background-color: var(--secondary-color); color: #ecf0f1; padding: 30px 0; text-align: center; }
footer p { margin-bottom: 0.5rem; font-size: 0.9rem; color: #bdc3c7; }
footer a { color: #ecf0f1; }

/* Responsive */
@media (max-width: 768px) {
    .nav-menu { display: none; flex-direction: column; width: 100%; position: absolute; top: 100%; left: 0; background-color: var(--white-color); box-shadow: var(--box-shadow-medium); padding: 1rem 0; }
    .nav-menu.is-active { display: flex; }
    .nav-menu li { margin: 0; width: 100%; text-align: center; }
    .nav-menu a { display: block; padding: 1rem; border-bottom: 1px solid #eee; }
    .nav-menu a.active::after, .nav-menu a:hover::after { display: none; }
    .nav-menu li:last-child a { border-bottom: none; }
    .menu-toggle { display: block; }
    .menu-toggle.is-active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .menu-toggle.is-active .bar:nth-child(2) { opacity: 0; }
    .menu-toggle.is-active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
    
    #hero h1 { font-size: 2.2rem; }
    #hero p { font-size: 1rem; }
    
    #sobre-mi-breve .sobre-mi-content { flex-direction: column; text-align: center; }
    #sobre-mi-breve .profile-pic { margin: 0 auto 20px auto; max-width: 160px; }
    
    .servicios-grid, .portafolio-grid { grid-template-columns: 1fr; }
    
    .about-me-section .container { flex-direction: column; align-items: center; } 
    .about-me-image { margin-right: 0; margin-bottom: 20px; width:100%; max-width: 250px; /* Asegura que no sea demasiado grande en móviles */ }
    .about-me-image img { max-width: 100%; }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; } 
    h2 { font-size: 1.7rem; } 
    h3 { font-size: 1.2rem; }
    
    #hero h1 { font-size: 1.8rem; }
    #hero p { font-size: 0.9rem; }
    
    .logo img#header-logo-img { height: 40px; } 
    
    .cta-button, .cta-button-secondary { padding: 10px 18px; font-size: 0.9rem; }
    
    #sobre-mi-breve .profile-pic { max-width: 130px; }
    .about-me-image img { max-width: 180px; }
}