/* --- 1. VARIABLES --- */
:root {
    --dark-green: #19291D;
    --medium-green: #32523A;
    --accent-green: #74B74A;
    --cream: #E1EDD5;
    --white: #F0F6EA;
    --glass: rgba(255, 255, 255, 0.1);
}

/* --- 2. BASE & RESET --- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--white);
    color: var(--dark-green);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    width: 100%;
}

h1, h2, h3, h4 { font-weight: 800; text-transform: uppercase; letter-spacing: -0.5px; }
p, li { font-family: 'Crimson Pro', serif; font-size: 1.15rem; }
a { text-decoration: none; }

/* --- 3. UTILIDADES USADAS EN BOT --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section-padding { padding: 5rem 0; }
.bg-darker { background-color: var(--medium-green); }
.text-light { color: var(--cream); }
.text-light-dim { color: rgba(225, 237, 213, 0.8); }
.section-title { margin-bottom: 1.5rem; }

/* --- 4. NAVBAR (Global) --- */
nav {
    position: fixed; top: 0; width: 100%; padding: 0.8rem 0;
    z-index: 1000; background: rgba(25, 41, 29, 0.95);
    border-bottom: 1px solid var(--medium-green);
    backdrop-filter: blur(10px);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.nav-links { list-style: none; display: flex; gap: 2rem; align-items: center; }
.nav-links a { color: var(--cream); font-weight: 600; font-size: 0.9rem; transition: color 0.3s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent-green); }
.menu-toggle { display: none; color: var(--cream); font-size: 1.5rem; cursor: pointer; }
.logo-nav-img { height: 45px; width: auto; object-fit: contain; }

/* --- 5. HEADER ESPECÍFICO DE PÁGINA --- */
.page-header {
    background: var(--dark-green); color: var(--cream);
     text-align: center;
}
.title-logo-img { 
    max-width: 380px; width: 100%; height: auto; 
    margin: 0 auto 1.5rem auto; display: block; object-fit: contain; 
}

/* --- 6. SECCIÓN PRINCIPAL BOT (Layout) --- */
.tech-layout { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 4rem; 
    align-items: start; 
}

/* --- 7. INTERFAZ DE CHAT (Bot Interface) --- */
.bot-interface {
    background: var(--dark-green); padding: 0; border-radius: 20px; overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
.chat-header { 
    background: rgba(0,0,0,0.2); padding: 1.5rem; 
    color: white; font-weight: bold; font-family: 'Montserrat'; 
}
.chat-body { padding: 2rem; height: 300px; overflow-y: auto; }

.chat-bubble { 
    padding: 1rem 1.5rem; border-radius: 20px; margin-bottom: 1rem; 
    max-width: 85%; font-family: 'Crimson Pro'; 
}
.chat-bubble.user { 
    background: var(--accent-green); color: white; 
    margin-left: auto; border-bottom-right-radius: 0; 
}
.chat-bubble.bot { 
    background: rgba(255,255,255,0.1); color: var(--cream); 
    border-bottom-left-radius: 0; border: 1px solid rgba(255,255,255,0.1); 
}

/* Controles de Voz */
.voice-controls { 
    text-align: center; padding: 1.5rem; 
    border-top: 1px solid rgba(255,255,255,0.1); 
}
.voice-btn { 
    width: 60px; height: 60px; border-radius: 50%; border: none; 
    background: var(--accent-green); color: white; font-size: 1.5rem; 
    cursor: pointer; animation: pulse 2s infinite; 
}

/* --- 8. LISTA DE AGENTES (Columna derecha) --- */
.agents-list { margin-top: 2rem; }
.agent-item { 
    display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; 
    background: rgba(0,0,0,0.2); padding: 1rem; border-radius: 8px; 
}
.agent-icon { font-size: 1.5rem; color: var(--accent-green); margin-top: 5px; }

/* --- 9. ANIMACIONES --- */
@keyframes pulse { 
    0% { box-shadow: 0 0 0 0 rgba(116, 183, 74, 0.7); } 
    70% { box-shadow: 0 0 0 15px rgba(116, 183, 74, 0); } 
    100% { box-shadow: 0 0 0 0 rgba(116, 183, 74, 0); } 
}

.fade-in { opacity: 0; transform: translateY(20px); transition: all 0.6s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- 10. FOOTER (Global) --- */
footer {
    background-color: var(--dark-green);
    color: var(--cream);
    padding-top: 4rem;
    margin-top: auto;
    border-top: 5px solid var(--medium-green);
}
.footer-content {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem; margin-bottom: 3rem;
}
.footer-brand p {
    font-family: 'Montserrat', sans-serif; font-size: 0.9rem;
    opacity: 0.8; margin-top: 1rem; max-width: 300px;
}
.logo-footer-img { height: 60px; width: auto; margin-bottom: 1rem; }
.footer-section h4 {
    color: var(--white); margin-bottom: 1.5rem; font-size: 1.1rem;
    position: relative; display: inline-block;
}
.footer-section h4::after {
    content: ''; display: block; width: 30px; height: 3px;
    background: var(--accent-green); margin-top: 5px;
}
.footer-links-list { list-style: none; }
.footer-links-list li { margin-bottom: 0.8rem; }
.footer-links-list a {
    color: var(--cream); font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem; transition: all 0.3s; display: inline-flex; align-items: center;
}
.footer-links-list a:hover { color: var(--accent-green); padding-left: 5px; }
.social-links { display: flex; gap: 1rem; margin-top: 1rem; }
.social-icon {
    display: flex; justify-content: center; align-items: center;
    width: 40px; height: 40px; background: rgba(255,255,255,0.1);
    border-radius: 50%; color: var(--white); font-size: 1.2rem; transition: all 0.3s;
}
.social-icon:hover { background: var(--accent-green); transform: translateY(-3px); }
.contact-info p {
    font-family: 'Montserrat', sans-serif; font-size: 0.9rem;
    margin-bottom: 0.5rem; display: flex; align-items: center; gap: 10px;
}
.footer-bottom {
    background: rgba(0,0,0,0.2); padding: 1.5rem 0; text-align: center;
    font-size: 0.85rem; font-family: 'Montserrat', sans-serif;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* --- 11. RESPONSIVE --- */
@media (max-width: 900px) {
    /* Layout General */
    .container { padding: 0 1.5rem; }
    .section-padding { padding: 3rem 0; }
    
    /* Navbar */
    .nav-links { display: none; }
    .menu-toggle { display: block; }
    .logo-nav-img { height: 35px; }

    /* Bot Layout */
    
    /* Header */
    .title-logo-img { max-width: 260px; margin-bottom: 1rem; }
    
    /* Footer */
    .footer-content { grid-template-columns: 1fr; text-align: center; gap: 2.5rem; }
    .footer-section h4::after { margin: 5px auto 0 auto; }
    .social-links, .contact-info p { justify-content: center; }
}

@media (max-width: 400px) {
    h1 { font-size: 1.8rem; }
}

/* --- 5. HEADER CON VIDEO DE FONDO --- */
.page-header {
    position: relative; /* Necesario para contener los elementos absolutos */
    background: var(--dark-green); /* Color de respaldo por si el video no carga */
    padding: 8rem 0 4rem; /* Un poco más de espacio abajo */
    text-align: center;
    overflow: hidden; /* Corta el video si se sale */
    color: var(--cream);
}

/* El video en el fondo */
.header-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* Cubre todo el espacio sin deformarse */
    z-index: 1;
}

/* La capa verde transparente (Overlay) */
.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Gradiente verde oscuro semitransparente */
    background: linear-gradient(135deg, rgba(25, 41, 29, 0.90), rgba(50, 82, 58, 0.8));
    z-index: 2;
}

/* El contenido (Texto y Logo) */
.header-content {
    position: relative;
    z-index: 3; /* Encima de todo */
}

.title-logo-img { 
    max-width: 380px; width: 100%; height: auto; 
    margin: 0 auto 1.5rem auto; display: block; object-fit: contain; 
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.3)); /* Sombra suave para que resalte más */
}

.tech-visuals {
    display: flex;
    flex-direction: column;
    align-items: center; /* Centra horizontalmente */
    justify-content: flex-start;
}

/* --- RESPONSIVE (400px - 900px y menores) --- */
@media (max-width: 900px) {
    
    /* 1. Ajustes Generales de Layout */
    .container { 
        padding: 0 1.5rem; 
    }
    
    .section-padding { 
        padding: 3rem 0; 
    }

    /* 2. Navbar (Menú Móvil) */
    .nav-links { display: none; } /* Ocultar enlaces de escritorio */
    .menu-toggle { display: block; } /* Mostrar icono hamburguesa */
    .logo-nav-img { height: 35px; } /* Logo más pequeño */

    /* 3. Header y Video */
    .page-header {
        padding: 6rem 0 3rem; /* Reducir espacio superior/inferior */
        min-height: auto;
    }

    .title-logo-img { 
        max-width: 280px; /* Logo principal más pequeño */
        margin-bottom: 1rem; 
    }
    
    .header-content p {
        padding: 0 1rem;
        font-size: 1rem;
    }

    /* 4. Sección Principal del Bot (Lo más importante) */
    .tech-layout { 
        /* Cambiar de 2 columnas a 1 sola columna vertical */
        grid-template-columns: 1fr; 
        gap: 3rem; 
    }

    .tech-visuals {
        /* Centrar el chat visualmente */
        width: 100%;
        display: flex;
        justify-content: center;
        order: 1; /* El chat aparece primero */
    }

    .bot-interface {
        /* Asegurar que el chat no sea gigante ni muy pequeño */
        width: 100%;
        max-width: 500px; 
        margin: 0 auto;
    }

    .tech-info {
        order: 2; /* El texto explicativo aparece después */
        text-align: center; /* Centrar títulos y textos */
    }

    /* 5. Lista de Agentes */
    .agents-list {
        text-align: left; /* Mantener la lista alineada a la izquierda para legibilidad */
        max-width: 600px;
        margin: 2rem auto 0 auto; /* Centrar el bloque completo */
    }

    /* 6. Footer */
    .footer-content { 
        grid-template-columns: 1fr; /* Todo en una columna */
        text-align: center; 
        gap: 2.5rem; 
    }
    
    .footer-brand p {
        margin: 1rem auto; /* Centrar texto del footer */
    }

    .footer-section h4::after { 
        margin: 5px auto 0 auto; /* Centrar la línea decorativa */
    }
    
    .social-links, .contact-info p { 
        justify-content: center; /* Centrar iconos y contacto */
    }
}

/* Ajuste extra para móviles pequeños (aprox 400px) */
@media (max-width: 450px) {
    h1 { font-size: 1.8rem; }
    
    .chat-bubble {
        font-size: 1rem; /* Texto del chat un poco más chico */
        padding: 0.8rem 1rem;
    }
    
    .voice-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}