/* Variables CSS */
:root {
    --bg-color: #111111;
    --text-color: #FFFFFF;
    --subtext-color: #CCCCCC;
    --accent-color: #FFB000;
    --accent-dark: #E59E00;
    --section-bg: #1C1C1C;
    --card-bg: #2C2C2C;
    --footer-bg: #11111C; /* Currently using --section-bg */
    --transition-speed: 0.4s;
    --container-padding: 0 2rem;
    --section-padding-y: 7rem;
    --gap-large: 4rem;
    --gap-medium: 2.5rem;
    --gap-small: 1.5rem;
    --border-thickness: 2px;
    --animation-duration: 0.8s; /* Animation duration */
}

/* Estilos para los nuevos contenedores de partículas */
#mission-vision-values #particles-js-mvv,
#services #particles-js-services,
#staff #particles-js-staff {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 0; /* Asegura que las partículas estén detrás del contenido */
}

/* Asegura que el contenido de las secciones esté por encima de las partículas */
#mission-vision-values .container,
#services .container,
#staff .container {
position: relative;
z-index: 1; /* Z-index mayor que el de las partículas */
}



/* Reset básico y estilos globales */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; } /* Handles smooth scroll for internal links */
body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    font-size: 1rem;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-speed), opacity var(--transition-speed);
}
a:hover { color: var(--accent-color); opacity: 1; }
.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: var(--container-padding); }
img { max-width: 100%; height: auto; display: block; }

/* Estilos para el Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color); /* Fondo oscuro */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999; /* Asegura que esté por encima de todo */
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out; /* Transición suave */
    opacity: 1;
    visibility: visible;
}

#preloader img {
    width: 400px; /* Ajusta el tamaño del logo si es necesario */
    height: auto;
    animation: pulse 1.5s infinite ease-in-out; /* Animación sutil del logo */
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; }
    100% { transform: scale(1); opacity: 0.8; }
}

/* Clase para ocultar el preloader */
#preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Header */
header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
    background: rgba(17, 17, 17, 0.95); backdrop-filter: blur(10px);
    padding: 1rem 0; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: background 0.3s ease;
}
.nav { display: flex; justify-content: space-between; align-items: center; }
.logo {
    font-family: 'Montserrat', sans-serif; font-size: 1.8rem; font-weight: 700;
    color: var(--accent-color); flex-shrink: 0; display: flex; align-items: center;
    transition: opacity var(--transition-speed);
}
.logo:hover { opacity: 0.9; }
header .nav .logo img { display: block; height: 50px; width: auto; transition: height 0.3s ease; }
.nav ul { list-style: none; display: flex; gap: var(--gap-medium); margin: 0; padding: 0; }
.nav ul li a { font-weight: 500; font-size: 1rem; position: relative; padding: 0.5rem 0; }
.nav ul li a::after {
    content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 2px;
    background-color: var(--accent-color); transition: all var(--transition-speed) ease-out;
    transform: translateX(-50%);
}
.nav ul li a:hover::after { width: 100%; left: 0; transform: translateX(0%); }

/* Botón Hamburguesa */
.hamburger {
    display: none; background: none; border: none; cursor: pointer; font-size: 1.9rem;
    color: var(--text-color); z-index: 101; padding: 0.5rem;
    transition: color var(--transition-speed), transform 0.3s ease;
    position: relative; width: 30px; height: 30px;
}
.hamburger:hover { color: var(--accent-color); }
.hamburger i {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.hamburger i.fa-bars { opacity: 1; transform: translate(-50%, -50%) rotate(0deg); }
.hamburger i.fa-times { opacity: 0; transform: translate(-50%, -50%) rotate(-90deg); } /* Hidden by default */
.hamburger.active i.fa-bars { opacity: 0; transform: translate(-50%, -50%) rotate(90deg); } /* Hide bars */
.hamburger.active i.fa-times { opacity: 1; transform: translate(-50%, -50%) rotate(0deg); } /* Show X */

/* Botón Contáctanos Header */
.header-contact-btn {
    display: inline-block; background: var(--accent-color); color: var(--bg-color);
    padding: 0.6rem 1.5rem; border-radius: 50px; font-weight: 600; font-size: 0.9rem;
    transition: background var(--transition-speed), transform 0.2s ease, box-shadow var(--transition-speed);
    box-shadow: 0 3px 10px rgba(255, 176, 0, 0.2);
}
.header-contact-btn:hover {
    background: var(--accent-dark); transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 176, 0, 0.3); color: var(--bg-color); opacity: 1;
}

/* Menú Móvil */
.nav ul#nav-menu { display: flex; }
.mobile-contact-link { display: none; } /* Oculto por defecto */
@media (max-width: 768px) {
    .nav ul#nav-menu {
        display: flex; position: fixed; top: 0; right: -100%; left: auto; width: 80%; max-width: 300px;
        height: 100vh; background: rgba(17, 17, 17, 0.98); backdrop-filter: blur(10px);
        flex-direction: column; align-items: center; justify-content: center;
        gap: var(--gap-medium); padding-top: 80px; overflow-y: auto;
        transition: right var(--transition-speed) ease-in-out; z-index: 100;
    }
    .nav ul#nav-menu.nav-active { right: 0; }
    .nav ul li a::after { display: none; }
    .nav ul li a { font-size: 1.4rem; font-weight: 500; padding: 0.5rem 0; }
    .hamburger { display: block; }
    .header-contact-btn { display: none; } /* Ocultar botón de header en móvil */
    /* Mostrar el botón de contacto dentro del menú móvil */
    .mobile-contact-link {
        display: block;
        margin-top: 1.5rem; /* Espacio arriba */
    }
    .mobile-contact-link a.btn {
        display: inline-block; background: var(--accent-color); color: var(--bg-color);
        padding: 0.8rem 2rem; border-radius: 50px; font-weight: 600; font-size: 1.1rem;
        transition: background var(--transition-speed), transform 0.2s ease;
    }
     .mobile-contact-link a.btn:hover {
         background: var(--accent-dark); transform: scale(1.05); color: var(--bg-color); opacity: 1;
    }
    /* Reordenar ítems si es necesario */
    .nav ul li:has(a[href="#about"]) { order: 1; }
    .nav ul li:has(a[href="#services"]) { order: 2; }
    .nav ul li:has(a[href="#staff"]) { order: 3; }
    .nav ul li:has(a[href="#pricing"]) { order: 4; }
    .nav ul .mobile-contact-link { order: 5; } /* Poner contacto al final */
}

/* Hero Section */
.hero {
    background-color: var(--bg-color); position: relative; min-height: 650px; height: auto;
    display: flex; align-items: center; padding-top: 120px; padding-bottom: 60px; overflow: hidden;
}
.hero #particles-js {
   position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: repeat(2, 1fr); align-items: center; gap: var(--gap-large); }
.hero-text { text-align: left; }
.hero-text.animate-on-load {
    opacity: 0; transform: translateX(-30px); transition: opacity 1s ease forwards, transform 1s ease forwards;
}
.hero-text.visible { opacity: 1; transform: translateX(0); }
.hero-text h1 { font-family: 'Montserrat', sans-serif; font-size: 4.5rem; margin-bottom: 1.8rem; line-height: 1.15; font-weight: 700; text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.6); }
.hero-text h1 span { color: var(--accent-color); text-shadow: 0 0 15px rgba(255, 176, 0, 0.5); }
.hero-text p { font-size: 1.4rem; margin-bottom: 3.5rem; color: var(--subtext-color); max-width: 550px; font-weight: 400; text-align: left; margin-left: 0; margin-right: 0; }
.hero-text .btn {
    display: inline-block; background: var(--accent-color); color: var(--bg-color);
    padding: 1.1rem 2.8rem; border-radius: 50px; font-weight: 700; font-size: 1.1rem;
    transition: background var(--transition-speed), transform 0.2s ease, box-shadow var(--transition-speed);
    box-shadow: 0 5px 20px rgba(255, 176, 0, 0.4);
}
.hero-text .btn:hover { background: var(--accent-dark); transform: translateY(-5px) scale(1.05); box-shadow: 0 8px 25px rgba(255, 176, 0, 0.5); opacity: 1; color: var(--bg-color); }
.hero-image { text-align: center; position: relative; }
 .hero-image.animate-on-load {
    opacity: 0; transform: translateX(30px); transition: opacity 1s ease forwards, transform 1s ease forwards;
}
.hero-image.visible { opacity: 1; transform: translateX(0); }
.hero-image img { max-width: 100%; height: auto; object-fit: contain; max-height: 400px; border-radius: 15px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); display: inline-block; }
@media (max-width: 992px) { .hero-grid { gap: var(--gap-medium); } .hero-text h1 { font-size: 3.8rem; padding-top: 6rem;} .hero-text p { font-size: 1.2rem; max-width: 100%; } .hero-image img { max-height: 400px; } }
@media (max-width: 768px) { .hero { padding-top: 120px; min-height: auto; padding-bottom: 80px; } .hero-grid { grid-template-columns: 1fr; gap: var(--gap-medium); } .hero-text.animate-on-load { transform: translateY(30px); } .hero-text { order: 1; text-align: center; margin-bottom: var(--gap-large); } .hero-text.visible { transform: translateY(0); } .hero-text h1 { font-size: 3.2rem; padding-top: 6rem; } .hero-text p { font-size: 1.1rem; margin-left: auto; margin-right: auto; max-width: 500px; } .hero-text .btn { margin-bottom: 0; } .hero-image.animate-on-load { transform: translateY(30px); } .hero-image { order: 2; max-width: 80%; margin: 0 auto; } .hero-image.visible { transform: translateY(0); } .hero-image img { max-height: 350px; padding-bottom: 3rem;} }
@media (max-width: 480px) { .hero { padding-top: 100px; padding-bottom: 60px; } .hero-text h1 { font-size: 2.8rem; padding-top: 4rem;} .hero-text p { font-size: 1rem; } .hero-text { margin-bottom: var(--gap-medium); } .hero-image { max-width: 90%; } .hero-image img { max-height: 300px; } }

/* Section Styling General */
section { position: relative; overflow: hidden; padding: var(--section-padding-y) 0; background-color: var(--bg-color); }
section.hero { padding: 0; }
section:nth-of-type(even):not(.hero) { background-color: var(--section-bg); }

/* Pseudo-elemento decorativo */
section:not(.hero)::before {
    content: ''; position: absolute; top: 50%; left: 50%; width: 1500px; height: 1500px;
    transform: translate(-50%, -50%); background: radial-gradient(circle, rgba(255, 176, 0, 0.03) 0%, transparent 70%);
    pointer-events: none; z-index: 0; opacity: 0;
    transition: opacity 1.5s ease;
}
section.visible::before { opacity: 0.8; }
#pricing::before, #contact::before, footer::before, #staff::before { opacity: 0 !important; }

/* Separador inferior */
section:not(.hero)::after {
    content: ''; display: block; width: 100%; height: 1px;
    background: linear-gradient(to right, transparent 0%, rgba(255, 176, 0, 0.1) 20%, rgba(255, 176, 0, 0.1) 80%, transparent 100%);
    position: absolute; bottom: 0; left: 0; z-index: 1; pointer-events: none;
}

/* Estilos y Animación de Títulos (h2) */
section h2 {
    font-family: 'Montserrat', sans-serif; font-size: 3.5rem; text-align: center; margin-bottom: 1.2rem;
    color: var(--text-color); font-weight: 700; position: relative; z-index: 1;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
    opacity: 0; transform: translateY(50px);
    transition: opacity var(--animation-duration) ease, transform var(--animation-duration) ease;
}
section.visible h2 { opacity: 1; transform: translateY(0); }

section h2::before { /* Icono logo */
    content: ''; display: block; width: 60px; height: 60px; margin: -2rem auto 1.5rem;
    background-image: url('img/1. Alfil Logo Reduc. Blanco.png'); background-size: contain;
    background-repeat: no-repeat; background-position: center; opacity: 0;
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}
section.visible h2::before { opacity: 0.7; }
section.visible h2:hover::before { opacity: 1; transform: scale(1.1); }
.hero h1::before { display: none; }

section h2::after { /* Underline */
    content: ''; display: block; width: 80px; height: 4px; background: var(--accent-color);
    margin: 0 auto 3.5rem; border-radius: 2px; position: relative; z-index: 1;
    transform: scaleX(0);
    transition: transform 0.8s ease 0.4s;
}
section.visible h2::after { transform: scaleX(1); }

/* Estilos y Animación de Párrafos introductorios (Genérico) */
section > .container > p:not(.contact-intro):not(.pricing-card-description) {
    color: var(--subtext-color); font-size: 1.15rem; line-height: 1.8; font-weight: 400;
    position: relative; z-index: 1; max-width: 800px; margin-left: auto; margin-right: auto;
    margin-bottom: var(--gap-medium); text-align: center;
    opacity: 0; transform: translateY(50px);
    transition: opacity var(--animation-duration) ease 0.2s, transform var(--animation-duration) ease 0.2s;
}
section.visible > .container > p:not(.contact-intro):not(.pricing-card-description) {
    opacity: 1; transform: translateY(0);
}

/* Estilos específicos para párrafos (About y Contacto ahora se manejan por section.visible) */
#about .text p {
     font-size: 1.1rem; line-height: 1.7; margin-bottom: var(--gap-small);
     text-align: left; max-width: none; margin-left: 0; margin-right: 0;
     color: var(--subtext-color);
     /* Estado inicial (para animación al hacerse visible la sección #about) */
     opacity: 0; transform: translateY(30px);
     /* Transición aplicada siempre */
     transition: opacity var(--animation-duration) ease, transform var(--animation-duration) ease;
 }
 /* Animación cuando la SECCIÓN #about se hace visible */
  section#about.visible .text p {
       opacity: 1; transform: translateY(0);
  }
  /* Aplicar delays escalonados a los párrafos de #about */
  section#about.visible .text p:nth-of-type(1) { transition-delay: 0.3s; }
  section#about.visible .text p:nth-of-type(2) { transition-delay: 0.4s; }


#contact .contact-intro {
     font-size: 1.4rem; font-weight: 400; line-height: 1.8; color: var(--subtext-color); margin-bottom: 2rem;
     text-align: center; max-width: 800px; margin-left: auto; margin-right: auto;
     /* Estado inicial */
     opacity: 0; transform: translateY(50px);
     /* Transición aplicada siempre */
     transition: opacity var(--animation-duration) ease 0.3s, transform var(--animation-duration) ease 0.3s;
 }
  /* Animación cuando la SECCIÓN #contact se hace visible */
 section#contact.visible .contact-intro {
     opacity: 1; transform: translateY(0);
 }

.mvv-box p, .feature-item p, .service-card p, .pricing-card ul li, .pricing-card-description, #staff .member-card p {
    text-align: left; max-width: none; margin-left: 0; margin-right: 0; font-size: 1rem;
    line-height: 1.7; color: var(--subtext-color);
}
.pricing-card-description { margin-bottom: 1.2rem; font-size: 0.95rem; text-align: center; }
#staff .member-card p { text-align: center; }
.values-list li { color: var(--subtext-color); }
section .container { position: relative; z-index: 1; }

/* About Section */
#about { background-color: var(--section-bg); }
#about .container { display: flex; align-items: center; gap: var(--gap-large); }
#about .text { flex: 1 1 100%; position: relative; z-index: 1; }
@media (max-width: 768px) { #about .container { flex-direction: column; align-items: center; gap: var(--gap-medium); } #about .text { text-align: center; } #about .text p { text-align: center; } }

/* Mission, Vision, Values */
#mission-vision-values { background-color: var(--bg-color); }
.mvv-top-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-medium); margin-bottom: var(--gap-medium); }
.mvv-grid { max-width: 1100px; margin: 4rem auto 0; }
.mvv-box {
    background: var(--card-bg); padding: 2.2rem; border-radius: 12px; box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
    display: flex; flex-direction: column; position: relative; z-index: 1;
    border: 1px solid rgba(255, 176, 0, 0.1); perspective: 1000px; height: 100%;
    opacity: 0; transform: translateY(50px);
    transition: opacity var(--animation-duration) ease, transform var(--animation-duration) ease,
                transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, border-color var(--transition-speed) ease;
}
.mvv-box.visible { opacity: 1; transform: translateY(0); }
.mvv-box.visible:nth-child(1) { transition-delay: 0.2s; } /* Delay para la primera caja en la fila superior */
.mvv-box.visible:nth-child(2) { transition-delay: 0.3s; } /* Delay para la segunda caja en la fila superior */
.mvv-values-box.visible { transition-delay: 0.4s; } /* Delay para la caja de valores */


.mvv-box:hover { transform: translateY(-12px) rotateX(3deg) rotateY(2deg); box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6); border-color: rgba(255, 176, 0, 0.6); }
.mvv-box h3 { font-family: 'Montserrat', sans-serif; color: var(--accent-color); margin-bottom: 1.2rem; font-size: 1.5rem; font-weight: 600; }
.mvv-box p { color: var(--subtext-color); font-size: 1rem; line-height: 1.7; flex-grow: 1; }
.values-list { list-style: none; padding-left: 0; margin-top: 1.2rem; }
.values-list li { margin-bottom: 0.9rem; position: relative; padding-left: 2.5rem; color: var(--subtext-color); font-size: 1rem; line-height: 1.6; }
.values-list li i { color: var(--accent-color); position: absolute; left: 0; top: 50%; transform: translateY(-50%); font-size: 1rem; transition: transform 0.3s ease; }
.mvv-box:hover .values-list li i { transform: translateY(-50%) scale(1.2); }
.mvv-values-box { margin-top: 0; width: 100%; }
@media (max-width: 768px) {
    .mvv-top-row { grid-template-columns: 1fr; gap: var(--gap-medium); }
    .mvv-values-box { margin-top: var(--gap-medium); }
    .mvv-box.visible { transition-delay: 0.1s !important; }
}

/* Features / Services Section */
#features { background-color: var(--section-bg); }
#services { background-color: var(--bg-color); }
#features .feature-list, #services .service-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--gap-large); margin-top: 4rem; }
.feature-item, .service-card {
    background: var(--card-bg); border-radius: 12px; overflow: hidden; box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
    position: relative; z-index: 1; border: 1px solid rgba(255, 176, 0, 0.1); perspective: 1000px;
    opacity: 0; transform: translateY(50px);
    transition: opacity var(--animation-duration) ease, transform var(--animation-duration) ease,
                transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, border-color var(--transition-speed) ease;
}
.feature-item.visible, .service-card.visible { opacity: 1; transform: translateY(0); }
/* Delays */
#features .feature-list .feature-item.visible:nth-child(1) { transition-delay: 0.2s; }
#features .feature-list .feature-item.visible:nth-child(2) { transition-delay: 0.3s; }
#features .feature-list .feature-item.visible:nth-child(3) { transition-delay: 0.4s; }
#services .service-list .service-card.visible:nth-child(1) { transition-delay: 0.2s; }
#services .service-list .service-card.visible:nth-child(2) { transition-delay: 0.3s; }
#services .service-list .service-card.visible:nth-child(3) { transition-delay: 0.4s; }


.feature-item:hover, .service-card:hover { transform: translateY(-10px); box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5); border-color: rgba(255, 176, 0, 0.4); }
.feature-item { padding: 3rem; text-align: center; display: flex; flex-direction: column; align-items: center; }
.feature-item .icon {
    width: 80px; height: 80px; margin: 0 auto 2rem; background: linear-gradient(145deg, var(--accent-color), var(--accent-dark));
    color: var(--bg-color); border-radius: 50%; display: flex; justify-content: center; align-items: center;
    font-size: 2.2rem; box-shadow: 0 6px 15px rgba(255, 176, 0, 0.35); transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-item:hover .icon { transform: scale(1.1) rotate(10deg); box-shadow: 0 8px 20px rgba(255, 176, 0, 0.45); }
.feature-item h3 { font-family: 'Montserrat', sans-serif; color: var(--text-color); margin-bottom: 1.2rem; font-size: 1.5rem; font-weight: 600; }
.feature-item p { color: var(--subtext-color); font-size: 1rem; line-height: 1.7; text-align: center; }
.service-card { display: flex; flex-direction: column; }
.service-card .image-placeholder { height: 250px; display: flex; justify-content: center; align-items: center; overflow: hidden; background: #222; position: relative; }
.service-card .image-placeholder img { display: block; width: 100%; height: 100%; object-fit: cover; padding: 0; margin: 0; border-radius: 0; transition: transform 0.5s ease, filter 0.5s ease; filter: saturate(0.8) brightness(0.9); }
.service-card:hover .image-placeholder img { transform: scale(1.1); filter: saturate(1) brightness(1); }
.service-card .content { padding: 2rem; flex: 1; display: flex; flex-direction: column; justify-content: space-between; text-align: center;}
.service-card h3 { font-family: 'Montserrat', sans-serif; color: var(--accent-color); margin-bottom: 1rem; font-size: 1.4rem; font-weight: 600; }
.service-card p { color: var(--subtext-color); font-size: 1rem; line-height: 1.7; margin-bottom: 1rem; text-align: center;}

/* Pricing Section */
#pricing { background-color: var(--section-bg); }
.pricing-tabs { display: flex; justify-content: center; margin-top: 4rem; margin-bottom: 3rem; flex-wrap: wrap; gap: 1rem; }
.pricing-tabs .tab-button {
    background: transparent; border: 2px solid var(--accent-color); color: var(--accent-color); padding: 0.8rem 1.5rem;
    border-radius: 50px; font-family: 'Montserrat', sans-serif; font-size: 1rem; font-weight: 600;
    cursor: pointer; transition: background var(--transition-speed), color var(--transition-speed), box-shadow var(--transition-speed); outline: none;
}
.pricing-tabs .tab-button:hover { background: rgba(255, 176, 0, 0.1); box-shadow: 0 3px 10px rgba(255, 176, 0, 0.2); }
.pricing-tabs .tab-button.active { background: var(--accent-color); color: var(--bg-color); box-shadow: 0 5px 15px rgba(255, 176, 0, 0.4); }
.pricing-content { display: none; }
.pricing-content.active { display: block; animation: fadeIn 0.6s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
#pricing h3 { display: none; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--gap-medium); position: relative; z-index: 1; }
.pricing-card {
    background: var(--card-bg); border-radius: 12px; text-align: center; box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
    position: relative; z-index: 1;
    overflow: hidden; border: var(--border-thickness) solid transparent; padding: calc(2.5rem - var(--border-thickness));
    opacity: 0; transform: translateY(50px);
    transition: opacity var(--animation-duration) ease, transform var(--animation-duration) ease,
                transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, border-color var(--transition-speed) ease;
}
.pricing-card.visible { opacity: 1; transform: translateY(0); }
/* Delays para pricing cards (necesitan JS para manejar cambio de pestaña) */
.pricing-content.active .pricing-card.visible:nth-child(1) { transition-delay: 0.2s; }
.pricing-content.active .pricing-card.visible:nth-child(2) { transition-delay: 0.25s; }
.pricing-content.active .pricing-card.visible:nth-child(3) { transition-delay: 0.3s; }
.pricing-content.active .pricing-card.visible:nth-child(4) { transition-delay: 0.35s; }
/* ... etc */

.pricing-card-content {
   position: relative; z-index: 3;
   display: flex; flex-direction: column; height: 100%;
}
.pricing-card::before, .pricing-card::after { content: ''; position: absolute; width: 0%; height: var(--border-thickness); background: var(--accent-color); opacity: 0.8; z-index: 2; transition: width 0.3s ease; pointer-events: none; }
.pricing-card::before { top: 0; left: 0; transition-delay: 0s; } .pricing-card::after { bottom: 0; right: 0; transition-delay: 0.3s; }
.pricing-card > .border-effect-container::before, .pricing-card > .border-effect-container::after { content: ''; position: absolute; width: var(--border-thickness); height: 0%; background: var(--accent-color); opacity: 0.8; z-index: 2; transition: height 0.3s ease; pointer-events: none; }
.pricing-card > .border-effect-container::before { top: 0; right: 0; transition-delay: 0.15s; } .pricing-card > .border-effect-container::after { bottom: 0; left: 0; transition-delay: 0.45s; }
.border-effect-container { position: absolute; top:0; left:0; width:100%; height:100%; pointer-events:none; z-index: 0; }
.pricing-card:hover::before, .pricing-card:hover::after { width: 100%; }
.pricing-card:hover > .border-effect-container::before, .pricing-card:hover > .border-effect-container::after { height: 100%; }
.pricing-card:hover { transform: translateY(-10px); box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5); }
.pricing-card h4 { font-family: 'Montserrat', sans-serif; color: var(--accent-color); margin-bottom: 0.8rem; font-size: 1.4rem; font-weight: 600; position: relative; z-index: 3; }
.pricing-card .price {
     display: block; font-size: 1.8rem; font-weight: 700; margin-bottom: 1.8rem;
     color: var(--text-color); position: relative; z-index: 3;
     white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
 }
.pricing-card ul { list-style: none; padding-left: 0; text-align: left; font-size: 1rem; color: var(--subtext-color); margin-bottom: 1.8rem; flex-grow: 1; position: relative; z-index: 3; }
.pricing-card ul li { margin-bottom: 0.9rem; position: relative; padding-left: 2rem; line-height: 1.6; color: var(--subtext-color); }
.pricing-card ul li i { color: var(--accent-color); position: absolute; left: 0; top: 50%; transform: translateY(-50%); font-size: 0.9rem; }
.pricing-card .btn {
    display: inline-block; background: var(--accent-color); color: var(--bg-color); padding: 0.8rem 1.8rem; border-radius: 50px;
    font-weight: 700; font-size: 0.9rem; transition: background var(--transition-speed), transform 0.2s ease, box-shadow var(--transition-speed);
    box-shadow: 0 3px 10px rgba(255, 176, 0, 0.25); margin-top: auto; position: relative; z-index: 3; border: none;
}
.pricing-card .btn:hover { background: var(--accent-dark); transform: translateY(-2px) scale(1.03); box-shadow: 0 4px 12px rgba(255, 176, 0, 0.35); color: var(--bg-color); opacity: 1; }


/* Staff Section */
#staff { background-color: var(--bg-color); }
.staff-grid {
    display: flex; flex-direction: column; align-items: center;
    gap: var(--gap-medium); margin-top: 4rem;
}
.staff-row {
    display: flex; justify-content: center; gap: var(--gap-medium);
    flex-wrap: wrap; width: 100%;
}
.member-card {
    background: var(--card-bg); padding: 2rem 1.5rem; border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 176, 0, 0.1); text-align: center; width: 280px;
    max-width: 90%; display: flex; flex-direction: column; align-items: center;
    position: relative; z-index: 1;
    opacity: 0; transform: translateY(50px);
    transition: opacity var(--animation-duration) ease, transform var(--animation-duration) ease,
                transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, border-color var(--transition-speed) ease;
}
.member-card.visible { opacity: 1; transform: translateY(0); }
/* Delays */
.staff-row.ceo .member-card.visible { transition-delay: 0.2s; }
.staff-row:not(.ceo) .member-card.visible:nth-child(1) { transition-delay: 0.3s; }
.staff-row:not(.ceo) .member-card.visible:nth-child(2) { transition-delay: 0.4s; }
.staff-row:nth-child(3) .member-card.visible:nth-child(1) { transition-delay: 0.5s; }
.staff-row:nth-child(3) .member-card.visible:nth-child(2) { transition-delay: 0.6s; }
.staff-row:nth-child(3) .member-card.visible:nth-child(3) { transition-delay: 0.7s; }


.member-card:hover {
    transform: translateY(-10px); box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 176, 0, 0.4);
}
.member-card img {
    width: 200px; height: 200px; border-radius: 50%; object-fit: cover;
    margin-bottom: 1.5rem; border: 3px solid var(--accent-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3); background-color: #444;
    object-position: 50% 10%;
    transition: transform 0.3s ease;
}
.member-card:hover img { transform: scale(1.05); }

.member-card h3 {
    font-family: 'Montserrat', sans-serif; font-size: 1.3rem; font-weight: 600;
    color: var(--text-color); margin-bottom: 0.5rem;
}
.member-card .member-role {
    font-size: 1rem; font-weight: 700; color: var(--accent-color);
    margin-bottom: 0.5rem; text-transform: uppercase; letter-spacing: 0.5px;
}
.member-card .member-description {
    font-size: 0.9rem; color: var(--subtext-color); line-height: 1.5;
    margin-top: 0; margin-bottom: 0; min-height: 3em;
}
.staff-row.ceo .member-card { border-color: var(--accent-dark); }

/* Responsive Staff Section */
@media (max-width: 992px) {
    .member-card { width: 260px; padding: 1.8rem 1.2rem; }
    .member-card img { width: 180px; height: 180px; }
    .member-card h3 { font-size: 1.2rem; }
    .member-card .member-role { font-size: 0.95rem; }
    .member-card .member-description { font-size: 0.85rem; }
    .member-card.visible { transition-delay: 0.15s !important; }
}
@media (max-width: 600px) {
    .staff-row { gap: var(--gap-small); }
    .member-card { width: 90%; max-width: 300px; }
    .member-card img { width: 150px; height: 150px; }
    .member-card.visible { transition-delay: 0.1s !important; }
}


/* Contact Section */
#contact { background-color: var(--section-bg); }
#contact .container { text-align: center; max-width: 800px; }
/* .contact-intro ya tiene estilos y animación controlada por section#contact.visible */

.form-wrapper {
    background-color: var(--card-bg); padding: 2.5rem; border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4); margin-top: 2.5rem;
    margin-bottom: 3rem; border: 1px solid rgba(255, 176, 0, 0.15);
    max-width: 650px; margin-left: auto; margin-right: auto; text-align: left;
    opacity: 0; transform: translateY(50px);
    transition: opacity var(--animation-duration) ease 0.4s, transform var(--animation-duration) ease 0.4s;
}
.form-wrapper.visible { opacity: 1; transform: translateY(0); }

.contact-form { margin-top: 0; }
.contact-form .form-group { margin-bottom: 1.5rem; }
.contact-form label { display: block; margin-bottom: 0.6rem; color: var(--subtext-color); font-weight: 500; font-size: 0.95rem; }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%; padding: 0.9rem 1.2rem; background-color: rgba(0,0,0,0.2);
    border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 8px; color: var(--text-color);
    font-size: 1rem; font-family: 'Roboto', sans-serif; transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    outline: none; border-color: var(--accent-color); box-shadow: 0 0 8px rgba(255, 176, 0, 0.4);
}
.contact-form textarea { min-height: 150px; resize: vertical; }
.contact-form .submit-btn {
    display: block; width: 100%; background: var(--accent-color); color: var(--bg-color); padding: 1rem 2.4rem;
    border-radius: 8px; font-weight: 700; font-size: 1.05rem; border: none; cursor: pointer;
    transition: background var(--transition-speed), transform 0.2s ease, box-shadow var(--transition-speed);
    box-shadow: 0 4px 15px rgba(255, 176, 0, 0.3); margin-top: 1.5rem;
}
.contact-form .submit-btn:hover {
    background: var(--accent-dark); transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(255, 176, 0, 0.4);
    color: var(--bg-color);
}
.whatsapp-button {
    display: inline-flex; align-items: center; gap: 0.6rem; background-color: #25D366; color: #FFFFFF;
    border-radius: 50px; font-size: 1.1rem; font-weight: 600; padding: 0.8rem 1.8rem; text-decoration: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    margin-top: 0; margin-bottom: 1rem; position: relative; z-index: 10; cursor: pointer;
    opacity: 0; transform: scale(0.9);
    transition: opacity var(--animation-duration) ease 0.5s, transform var(--animation-duration) ease 0.5s,
                transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease; /* Hover transitions */
}
.whatsapp-button.visible { opacity: 1; transform: scale(1); }
.whatsapp-button i { font-size: 1.5rem; line-height: 1; }
.whatsapp-button:hover { background-color: #34eb7b; transform: scale(1.05) translateY(-2px); box-shadow: 0 6px 18px rgba(37, 211, 102, 0.5); color: #FFFFFF; opacity: 1; }

/* Footer */
footer {
    background: var(--section-bg); padding: 4rem 0 2rem; text-align: center; color: var(--subtext-color);
    font-size: 0.9rem; position: relative; z-index: 1;
    border-top: 1px solid rgba(255, 176, 0, 0.1);
}
.social-icons { margin: 1.8rem 0 2.5rem; display: flex; justify-content: center; gap: var(--gap-medium); }
.social-icons a {
    width: 50px; height: 50px; background: var(--card-bg); border-radius: 50%; display: inline-flex;
    justify-content: center; align-items: center; color: var(--subtext-color); font-size: 1.6rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4); border: 1px solid transparent;
    opacity: 0; transform: translateY(30px);
    transition: opacity var(--animation-duration) ease, transform var(--animation-duration) ease,
                background var(--transition-speed) ease, color var(--transition-speed) ease, transform 0.3s ease, box-shadow var(--transition-speed) ease;
}
.social-icons a.visible { opacity: 1; transform: translateY(0); }
/* Delays */
.social-icons a.visible:nth-child(1) { transition-delay: 0.2s; }
.social-icons a.visible:nth-child(2) { transition-delay: 0.3s; }
.social-icons a.visible:nth-child(3) { transition-delay: 0.4s; }
.social-icons a.visible:nth-child(4) { transition-delay: 0.5s; }
.social-icons a:hover { background: var(--accent-color); color: var(--bg-color); transform: translateY(-5px) scale(1.1); box-shadow: 0 6px 15px rgba(255, 176, 0, 0.4); border-color: rgba(255, 255, 255, 0.1); opacity: 1; }

/* Footer Links */
.footer-links {
    margin-top: 1.5rem; margin-bottom: 1.5rem; font-size: 0.85rem;
    color: var(--subtext-color);
    opacity: 0;
    transition: opacity var(--animation-duration) ease 0.6s;
}
.footer-links.visible { opacity: 1; }
.footer-links a {
    color: var(--subtext-color); margin: 0 0.8rem;
    transition: color var(--transition-speed);
}
.footer-links a:hover { color: var(--accent-color); text-decoration: underline; }

/* Copyright text */
footer p.copyright {
    margin-top: 0; color: var(--subtext-color); font-size: 0.9rem;
    opacity: 0;
    transition: opacity var(--animation-duration) ease 0.7s;
}
footer p.copyright.visible { opacity: 1; }


/* Media Queries Generales */
@media (max-width: 992px) {
    :root { --section-padding-y: 6rem; --gap-large: 3rem; }
    section h2 { font-size: 3rem; }
    section h2::before { width: 50px; height: 50px; margin: -1.8rem auto 1.2rem; }
    .pricing-tabs { margin-top: 3rem; margin-bottom: 2.5rem; }
    .pricing-tabs .tab-button { font-size: 0.9rem; padding: 0.7rem 1.2rem; }
    .pricing-card .price { font-size: 1.6rem; }
}
@media (max-width: 768px) {
    :root { --container-padding: 0 1.5rem; --section-padding-y: 5rem; --gap-medium: 2rem; --gap-small: 1.2rem; }
    header { padding: 0.8rem 0; backdrop-filter: blur(8px); }
    header .nav .logo img { height: 45px; }
    section:not(.hero) { padding: var(--section-padding-y) 0; }
    section h2 { font-size: 2.5rem; margin-bottom: 0.8rem; }
    section h2::before { width: 40px; height: 40px; margin: -1.5rem auto 1rem; }
    section h2::after { width: 60px; margin: 0 auto 2.5rem;}
    section > .container > p:not(.contact-intro):not(.pricing-card-description) { font-size: 1.1rem; }
    #about .text p { font-size: 1.05rem; }
    #features .feature-list, #services .service-list { grid-template-columns: 1fr; gap: var(--gap-medium); }
    .service-card .image-placeholder { height: 220px; }
    .service-card .content { padding: 1.8rem; }
    .pricing-tabs { margin-top: 2.5rem; margin-bottom: 2rem; gap: 0.8rem; }
    .pricing-tabs .tab-button { font-size: 0.85rem; padding: 0.6rem 1rem; }
    .pricing-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
    #contact .contact-intro { font-size: 1.3rem; }
    .form-wrapper { padding: 2rem; }
    .pricing-card .price { font-size: 1.5rem; }
    .pricing-card-description { font-size: 0.9rem; }
    .footer-links { font-size: 0.8rem; margin: 1.2rem 0; }
    .footer-links a { margin: 0 0.6rem; }
    /* Simplificar delays en tablet */
     .visible { transition-delay: 0.1s !important; }
}

/* Estilo específico para el grid de Marketing en pantallas grandes (2 columnas) */
@media (min-width: 769px) { /* Ajusta el breakpoint si es necesario */
    #marketing .pricing-grid {
        grid-template-columns: repeat(2, 1fr); /* Fuerza 2 columnas */
    }
}

@media (max-width: 480px) {
    :root { --container-padding: 0 1rem; --section-padding-y: 4rem; --gap-large: 2rem; --gap-medium: 1.5rem; --gap-small: 1rem; }
    header { padding: 0.6rem 0; }
    header .nav .logo img { height: 40px; }
    .hamburger { font-size: 1.6rem; width: 25px; height: 25px; }
    section:not(.hero) { padding: var(--section-padding-y) 0; }
    section h2 { font-size: 2rem; margin-bottom: 0.8rem; }
    section h2::before { width: 30px; height: 30px; margin: -1.2rem auto 0.8rem; }
    section h2::after { margin: 0 auto 2rem; width: 50px; height: 3px; }
    section > .container > p:not(.contact-intro):not(.pricing-card-description) { font-size: 1rem; }
    .mvv-grid { margin-top: 2.5rem; } /* Ajustar margen */
    .mvv-box { padding: 1.8rem; border-radius: 10px; }
    .mvv-box h3 { font-size: 1.3rem; margin-bottom: 0.8rem; }
    .mvv-box p, .values-list li { font-size: 0.95rem; }
    .values-list li { padding-left: 1.8rem; }
    .values-list li i { left: 0; }
    #features .feature-list, #services .service-list { gap: var(--gap-medium); margin-top: 2.5rem; }
    .feature-item { padding: 2rem; border-radius: 10px; }
    .feature-item .icon { width: 60px; height: 60px; margin-bottom: 1.5rem; font-size: 1.6rem; }
    .feature-item h3 { font-size: 1.3rem; }
    .feature-item p { font-size: 0.95rem; }
    .service-card { border-radius: 10px; }
    .service-card .image-placeholder { height: 200px; }
    .service-card .content { padding: 1.5rem; }
    .service-card h3 { font-size: 1.2rem; }
    .service-card p { font-size: 0.95rem; }
    .pricing-tabs { margin-top: 2rem; margin-bottom: 1.5rem; gap: 0.6rem; }
    .pricing-tabs .tab-button { font-size: 0.8rem; padding: 0.5rem 0.8rem; }
    .pricing-grid { gap: var(--gap-medium); }
    .pricing-card { padding: calc(2rem - var(--border-thickness)); border-radius: 10px; }
    .pricing-card h4 { font-size: 1.2rem; }
    .pricing-card .price { font-size: 1.4rem; margin-bottom: 1.2rem; white-space: normal; }
    .pricing-card ul { font-size: 0.9rem; margin-bottom: 1.2rem; }
    .pricing-card ul li { margin-bottom: 0.7rem; padding-left: 1.6rem; }
    .pricing-card ul li i { top: 50%; transform: translateY(-50%); font-size: 0.8rem; }
    footer { padding: 2.5rem 0 1.5rem; }
    .social-icons { gap: 1.2rem; margin-bottom: 2rem; }
    .social-icons a { width: 40px; height: 40px; font-size: 1.2rem; }
    #contact .contact-intro { font-size: 1.2rem; }
    .form-wrapper { padding: 1.5rem; margin-top: 2rem; margin-bottom: 2rem; }
    .contact-form input[type="text"], .contact-form input[type="email"], .contact-form textarea { padding: 0.8rem 1rem; font-size: 0.95rem; }
    .contact-form .submit-btn { padding: 0.9rem 1.5rem; font-size: 1rem; }
    .whatsapp-button { font-size: 1rem; padding: 0.7rem 1.5rem; }
    .whatsapp-button i { font-size: 1.3rem; }
    .pricing-card-description { font-size: 0.85rem; }
    .footer-links { display: flex; flex-direction: column; gap: 0.5rem; margin: 1rem 0; font-size: 0.9rem; }
    .footer-links a { margin: 0; }
    /* Quitar delays en móvil */
     .visible { transition-delay: 0s !important; }
}