/* =========================================
   VARIABLES & SETUP
   ========================================= */
:root {
    /* Colors */
    --clr-bg: #ffffff;
    --clr-bg-alt: #f9fafb; /* Light Gray */
    --clr-text-main: #111827; /* Dark Gray / Near Black */
    --clr-text-muted: #6b7280;
    --clr-border: #e5e7eb;
    
    /* Brand Accent Color (Red) */
    --clr-accent: #cc0000;
    --clr-accent-hover: #a30000;
    
    /* Typography */
    --font-main: 'Poppins', system-ui, -apple-system, sans-serif;
    
    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 8rem;
    
    /* Layout */
    --container-width: 1100px;
    --border-radius: 8px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--clr-text-main);
    background-color: var(--clr-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--clr-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); }
h3 { font-size: 1.25rem; }

p {
    color: var(--clr-text-muted);
    margin-bottom: var(--space-md);
    font-size: 1.125rem;
}

.text-center { text-align: center; }

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--clr-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

/* =========================================
   LAYOUT UTILITIES
   ========================================= */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section-padding {
    padding: var(--space-2xl) 0;
}

.bg-light {
    background-color: var(--clr-bg-alt);
}

.w-100 { width: 100%; }

/* =========================================
   COMPONENTS
   ========================================= */
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--clr-accent);
    color: white !important;
}

.btn-primary:hover {
    background-color: var(--clr-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(204, 0, 0, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--clr-text-main) !important;
    border-color: var(--clr-border);
}

.btn-secondary:hover {
    border-color: var(--clr-text-main);
}

.btn-text {
    font-weight: 600;
    color: var(--clr-text-main);
    display: inline-flex;
    align-items: center;
}

.btn-text:hover {
    color: var(--clr-accent);
}

/* =========================================
   HEADER & NAVIGATION
   ========================================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.95); /* Negro puro */
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: transform var(--transition-normal);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

.desktop-nav ul {
    display: flex;
    gap: 2rem;
}

.desktop-nav a {
    color: #ffffff;
    font-weight: 500;
    font-size: 0.9375rem;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.profile-icon {
    background-color: #ffffff;
    color: var(--clr-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px; /* Igual a la altura total del botón Contactar */
    height: 54px;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.profile-icon:hover {
    background-color: #f3f4f6; /* Gris muy claro al pasar el mouse */
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: #ffffff;
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--clr-bg);
    z-index: 2000;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-inner {
    text-align: center;
    width: 100%;
}

.mobile-menu-close {
    position: absolute;
    top: 28px;
    right: var(--space-md);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--clr-text-main);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mobile-nav-links a {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--clr-text-main);
}

/* =========================================
   SECTIONS
   ========================================= */
/* Hero */
.hero {
    padding-top: calc(80px + var(--space-xl));
    padding-bottom: var(--space-xl);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.hero-image img {
    border-radius: var(--border-radius);
    aspect-ratio: 4/5;
    object-fit: cover;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

/* About */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.about-image img {
    border-radius: var(--border-radius);
    aspect-ratio: 4/5;
    object-fit: cover;
}

/* Free Guide */
.free-guide-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    background: var(--clr-bg-alt);
    padding: var(--space-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--clr-accent);
    box-shadow: 0 10px 30px rgba(204, 0, 0, 0.05);
}

.feature-list {
    margin-bottom: var(--space-lg);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--clr-text-main);
}

.feature-list svg {
    color: var(--clr-accent);
}

.free-guide-image img {
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-height: 500px;
    object-fit: cover;
    margin: 0 auto;
}

/* Methodology */
.methodology {
    background-color: var(--clr-bg);
}
.methodology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    text-align: center;
}

.method-card {
    padding: 2rem 1rem;
}

.method-icon {
    width: 70px;
    height: 70px;
    background-color: var(--clr-accent);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 20px rgba(204, 0, 0, 0.25);
    transition: transform var(--transition-normal);
}

.method-card:hover .method-icon {
    transform: translateY(-5px);
}

.method-icon svg {
    width: 32px;
    height: 32px;
}

.method-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.service-card.featured {
    border-color: var(--clr-accent);
    box-shadow: 0 10px 30px rgba(204, 0, 0, 0.05);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--clr-accent);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.service-icon {
    color: var(--clr-accent);
    margin-bottom: var(--space-md);
}

.service-card p {
    flex-grow: 1;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
}

.testimonial-card {
    background: var(--clr-bg-alt);
    padding: 2.5rem;
    border-radius: var(--border-radius);
}

.quote-icon {
    font-size: 4rem;
    color: var(--clr-border);
    line-height: 1;
    margin-bottom: -1rem;
    font-family: serif;
}

.testimonial-text {
    font-size: 1.25rem;
    color: var(--clr-text-main);
    font-weight: 500;
    margin-bottom: var(--space-lg);
}

.testimonial-footer {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--clr-accent);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.testimonial-author strong {
    display: block;
    color: var(--clr-text-main);
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--clr-text-muted);
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--border-radius);
    padding: 0;
    overflow: hidden;
    transition: box-shadow var(--transition-fast);
}

.faq-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.faq-item summary {
    padding: 1.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    cursor: pointer;
    list-style: none; /* Elimina la flecha por defecto */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Ocultar flecha en WebKit */
.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--clr-accent);
    line-height: 1;
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    transform: rotate(45deg); /* Gira a una X al abrir */
}

.faq-content {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--clr-text-muted);
}
.faq-content p {
    margin-bottom: 0;
}

/* Contact */
.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact-details {
    margin-top: var(--space-lg);
}

.contact-details li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1.125rem;
    color: var(--clr-text-main);
}

.contact-details svg {
    color: var(--clr-accent);
}

.contact-form-wrapper {
    background: var(--clr-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--clr-border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.875rem;
}

input, select, textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--clr-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--clr-bg-alt);
    transition: border-color var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--clr-accent);
    background-color: var(--clr-bg);
}

/* Footer */
.site-footer {
    padding: var(--space-lg) 0;
    background-color: #f3f4f6; /* Gris suave */
    border-top: 1px solid var(--clr-border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-brand p {
    margin-bottom: 0;
    font-size: 0.875rem;
}

.footer-links a {
    color: var(--clr-text-muted);
    margin-left: 1rem;
    font-size: 0.875rem;
}

/* =========================================
   ANIMATIONS (Scroll driven style)
   ========================================= */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.15);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: #FFF;
}

/* Ocultar el badge flotante de reCAPTCHA para no chocar con WhatsApp */
.grecaptcha-badge {
    visibility: hidden !important;
}

/* =========================================
   MEDIA QUERIES
   ========================================= */
@media (max-width: 900px) {
    .hero-container, .about-container, .contact-inner, .free-guide-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .hero { 
        padding-top: 80px; 
        padding-bottom: 2rem;
        display: block; /* Desactiva el flex-center de escritorio para que se pegue arriba */
    }

    .hero-image { 
        order: -1; 
        width: 100vw;
        margin-left: calc(50% - 50vw); /* Rompe el padding del contenedor y ocupa toda la pantalla */
        margin-top: 0;
    }
    
    .hero-image img {
        width: 100vw;
        max-height: 55vh; /* Que se vea alta pero deje espacio al texto */
        border-radius: 0; 
        object-fit: cover;
        object-position: top center;
    }
    
    .desktop-nav, .btn-nav { display: none; }
    .mobile-menu-toggle { display: block; }
    
    .profile-icon {
        width: 44px;
        height: 44px;
        background-color: transparent;
        color: #ffffff;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    .whatsapp-float svg {
        width: 25px;
        height: 25px;
    }
}

@media (max-width: 600px) {
    .hero-buttons {
        flex-direction: column;
    }
    .btn { width: 100%; }
}