/*
 * ServiceKey Webs - styles.css
 * Version: 2.0 - Footer Avanzado y Correcciones
 * Author: Tu Asistente de Programación
 */

/* 1. VARIABLES & THEME
----------------------------------------------- */
:root {
    /* Colors */
    --c-bg-light: linear-gradient(45deg, #00a0a0, #40e0d0);
    --c-text-light: #0f172a;
    --c-bg-dark: #0f172a;
    --c-text-dark: #e2e8f0;
    --c-primary-teal: #00a0a0;
    --c-primary-turquoise: #40e0d0;
    --c-glass-bg: rgba(255, 255, 255, 0.1);
    --c-glass-border: rgba(255, 255, 255, 0.2);
    --c-error: #ef4444;

    /* Typography */
    --font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --fs-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem); /* Fluid font size */
    
    /* Spacing & Layout */
    --gutter: clamp(1rem, 4vw, 2rem);
    --section-padding: clamp(3rem, 10vw, 6rem);
    --border-radius: 12px;
    
    /* Transitions */
    --ease-out: cubic-bezier(0.165, 0.84, 0.44, 1);
    --transition-fast: 250ms var(--ease-out);
    --transition-med: 400ms var(--ease-out);
}

@supports (font-variation-settings: normal) {
  :root {
    --font-sans: "Inter var", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  }
}

/* Light/Dark Mode Setup */
body {
    --bg: var(--c-bg-dark);
    --text: var(--c-text-dark);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

@media (prefers-color-scheme: light) {
    body {
       --bg: var(--c-bg-light);
       --text: var(--c-text-light);
       --c-glass-bg: rgba(248, 250, 252, 0.7);
       --c-glass-border: rgba(0, 0, 0, 0.1);
    }
}

body.light-mode {
    --bg: var(--c-bg-light);
    --text: var(--c-text-light);
    --c-glass-bg: rgba(248, 250, 252, 0.7);
    --c-glass-border: rgba(0, 0, 0, 0.1);
}

/* 2. BASE & RESET
----------------------------------------------- */
/* critical.css contiene el reset básico */
html {
    font-size: var(--fs-base);
}
body {
    background-color: var(--bg);
    color: var(--text);
}
.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 700;
}

/* 3. HEADER & NAVIGATION
----------------------------------------------- */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo img {
    height: 40px;
    width: auto;
}
.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}
.nav-links a {
    color: var(--text);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--c-primary-turquoise);
    transition: width var(--transition-fast);
}
.nav-links a:hover::after {
    width: 100%;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.lang-toggle button {
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.6;
}
.lang-toggle button.active {
    opacity: 1;
    color: var(--c-primary-turquoise);
}
.btn-whatsapp {
    line-height: 0;
    /* CORRECCIÓN: Estilo para que el icono de WhatsApp se vea blanco en modo oscuro/oscuro en modo claro */
    transition: filter var(--transition-fast);
}
.btn-whatsapp img {
    /* En modo oscuro, el icono es blanco (filter: invert(1)) */
    filter: invert(1);
}
@media (prefers-color-scheme: light) {
    .btn-whatsapp img {
        /* En modo claro, el icono es negro (filter: none) */
        filter: none;
    }
}
body.light-mode .btn-whatsapp img {
    filter: none;
}

.mobile-menu-toggle {
    display: none; /* Hidden on desktop */
}

/* 4. HERO SECTION
----------------------------------------------- */
.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--gutter);
    min-height: 100vh;
}
.hero-content {
    padding-top: 5rem;
}
.split-text {
    /* JS will wrap letters/words */
}
.usp-bullets {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 1.5rem 0;
    font-size: 0.9rem;
    font-weight: 500;
}
.usp-bullets li {
    position: relative;
    padding-left: 20px;
}
.usp-bullets li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--c-primary-turquoise);
}
.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}
.btn-secondary {
    background: transparent;
    border: 2px solid var(--c-text);
    color: var(--c-text);
}
.btn-secondary:hover {
    background: var(--c-text);
    color: var(--c-bg);
}

.hero-image img {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}


/* 5. SERVICES SECTION
----------------------------------------------- */
#services {
    padding: var(--section-padding) 0;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--gutter);
}
.service-card {
    background: var(--c-glass-bg);
    border: 1px solid var(--c-glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: transform var(--transition-med), box-shadow var(--transition-med);
}
.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}
.service-icon {
    margin-bottom: 1.5rem;
    background-color: var(--c-primary-teal);
    padding: 10px;
    border-radius: 8px;
}
.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* 6. PORTFOLIO
----------------------------------------------- */
#portfolio {
    padding: var(--section-padding) 0;
    background-color: rgba(0,0,0,0.1);
}
.portfolio-carousel-wrapper {
    position: relative;
}
.portfolio-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    scrollbar-width: none; /* Hide scrollbar for Firefox */
}
.portfolio-carousel::-webkit-scrollbar {
    display: none; /* Hide scrollbar for Chrome, Safari, Opera */
}
.portfolio-item {
    flex: 0 0 90%; /* On mobile, show 90% of one item */
    margin-right: var(--gutter);
    scroll-snap-align: center;
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
}
@media (min-width: 768px) {
    .portfolio-item {
        flex-basis: 40%; /* Two and a half items */
    }
}
@media (min-width: 1024px) {
    .portfolio-item {
        flex-basis: 30%; /* Three and a third items */
    }
}
.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-med);
}
.portfolio-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: #fff;
    transform: translateY(30%);
    opacity: 0;
    transition: transform var(--transition-med), opacity var(--transition-med);
}
.portfolio-item:hover .portfolio-caption {
    transform: translateY(0);
    opacity: 1;
}
.portfolio-item:hover img {
    transform: scale(1.05);
}
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255,255,255,0.8);
    color: var(--c-bg-dark);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    display: none; /* Hidden by default, shown on desktop */
}
@media (min-width: 1024px) {
    .carousel-btn {
        display: block;
    }
}
.carousel-btn.prev { left: -20px; }
.carousel-btn.next { right: -20px; }


/* 7. PROCESS
----------------------------------------------- */
#process {
    padding: var(--section-padding) 0;
}
.process-timeline {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    position: relative;
}
@media(min-width: 768px) {
    .process-timeline {
        grid-template-columns: repeat(4, 1fr);
    }
    .process-timeline::before { /* The connecting line */
        content: '';
        position: absolute;
        top: 40px;
        left: var(--gutter);
        right: var(--gutter);
        height: 2px;
        background-color: var(--c-glass-border);
        width: calc(100% - (var(--gutter) * 2));
    }
}
.process-step {
    text-align: center;
    position: relative;
}
.process-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--c-primary-teal);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 1.5rem auto;
    border: 4px solid var(--c-bg-dark);
    z-index: 5;
    position: relative;
}
.process-step h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}


/* 8. PLANS
----------------------------------------------- */
#plans {
    padding: var(--section-padding) 0;
}
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gutter);
}
@media(min-width: 900px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        align-items: center;
    }
}
.pricing-card {
    background: var(--c-glass-bg);
    border: 1px solid var(--c-glass-border);
    backdrop-filter: blur(10px);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform var(--transition-med), box-shadow var(--transition-med);
    position: relative;
}
.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 30px 0 rgba(64, 224, 208, 0.3); /* Turquoise glow */
}
.pricing-card.popular {
    transform: scale(1.05);
    border-color: var(--c-primary-turquoise);
}
.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--c-primary-turquoise);
    color: var(--c-bg-dark);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}
.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 1rem 0;
    color: var(--c-primary-turquoise);
}
.plan-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}
.plan-features li {
    margin-bottom: 1rem;
    padding-left: 25px;
    position: relative;
}
.plan-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--c-primary-turquoise);
}


/* 9. TESTIMONIALS & FAQ
----------------------------------------------- */
#testimonials {
    padding: var(--section-padding) 0;
}
.testimonial-card {
    background: var(--c-glass-bg);
    border: 1px solid var(--c-glass-border);
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 800px;
    margin: 0 auto 2rem auto;
    text-align: center;
}
.quote {
    font-size: 1.25rem;
    font-style: italic;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}
.author-name {
    font-weight: 700;
}
.author-company {
    opacity: 0.8;
}

#faq {
    padding: var(--section-padding) 0;
}
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid var(--c-glass-border);
}
.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--text);
    padding: 1.5rem 0;
    text-align: left;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-fast);
}
.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}
.faq-answer {
    padding-bottom: 1.5rem;
    line-height: 1.7;
}

/* 4.5 TRUST LOGOS
----------------------------------------------- */
#trust-logos {
    padding: calc(var(--section-padding) / 2) 0;
    border-top: 1px solid var(--c-glass-border);
    border-bottom: 1px solid var(--c-glass-border);
}

.logos-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: calc(var(--gutter) * 2);
}

.logos-grid img {
    max-height: 40px; /* Controla la altura máxima de los logos */
    opacity: 0.7;
    filter: grayscale(100%); /* Efecto blanco y negro */
    transition: all var(--transition-fast);
}

.logos-grid img:hover {
    opacity: 1;
    filter: grayscale(0%); /* Vuelve al color original */
    transform: scale(1.1);
}

/* 6. FORM & CONTACT
----------------------------------------------- */
#contact {
    padding: var(--section-padding) 0;
    background-color: rgba(0,0,0,0.1); /* Slight change */
}
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: calc(var(--gutter) * 2);
    align-items: center;
}
.contact-info .section-title {
    text-align: left;
}
.btn-whatsapp-large {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    background-color: #25D366;
    color: white;
    border-radius: var(--border-radius);
    margin-top: 2rem;
    font-weight: 600;
}
.contact-form {
    display: grid;
    gap: 1.5rem;
}
.form-group {
    position: relative;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--c-glass-border);
    background-color: var(--c-glass-bg);
    color: var(--text);
    font-size: 1rem;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--c-primary-turquoise);
}
.honeypot {
    display: none;
}
.error-message {
    color: var(--c-error);
    font-size: 0.875rem;
    display: none; /* Hidden by default */
    margin-top: 0.25rem;
}
.form-group.error .error-message {
    display: block;
}
.form-group.error input, 
.form-group.error select, 
.form-group.error textarea {
    border-color: var(--c-error);
}

/* 7. FOOTER
----------------------------------------------- */
#main-footer {
    padding: 4rem 0 1.5rem; /* Más espacio */
    background-color: var(--c-dark); /* Fondo oscuro */
    color: var(--c-text-dark); /* Texto claro */
    border-top: none; 
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    align-items: flex-start; /* Alinear arriba */
    margin-bottom: 3rem;
}

.footer-col h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--c-primary-turquoise); /* Título turquesa */
    margin-bottom: 1rem;
}

/* 1. Columna de Branding */
.logo-footer img {
    /* Ajuste para que el logo se vea blanco/claro sobre el fondo oscuro */
    filter: brightness(1.2) drop-shadow(0 0 1px rgba(0, 0, 0, 0.2)); 
    margin-bottom: 1rem;
}
.branding-text {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

/* 2. Columna de Links */
.footer-links ul {
    list-style: none;
    padding: 0;
}
.footer-links a {
    display: block;
    color: var(--c-text-dark);
    text-decoration: none;
    padding: 5px 0;
    opacity: 0.8;
    transition: opacity var(--transition-fast), color var(--transition-fast);
}
.footer-links a:hover {
    opacity: 1;
    color: var(--c-primary-turquoise);
}

/* 3. Columna de Contacto */
.footer-contact p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--c-text-dark);
    opacity: 0.8;
}
.footer-contact a {
    color: var(--c-primary-turquoise);
    text-decoration: none;
}

/* Iconos Sociales */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}
.social-links img {
    /* Mantenemos la imagen blanca para el footer oscuro */
    filter: brightness(0) invert(1); 
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}
.social-links a:hover img {
    opacity: 1;
}

/* Barra de Copyright */
.copyright-bar {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-top: 2rem;
    font-size: 0.85rem;
    opacity: 0.6;
}

/* Responsive para Footer */
@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-col {
        margin-bottom: 2rem;
    }
    .footer-links ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0 15px;
    }
    .footer-links a {
        display: inline-block;
    }
    .social-links {
        justify-content: center;
    }
}
/* FIN DEL FOOTER AVANZADO */


/* 8. MODAL
----------------------------------------------- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}
.modal.is-visible {
    opacity: 1;
    visibility: visible;
}
.modal-content {
    background: var(--bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-fast);
}
.modal.is-visible .modal-content {
    transform: scale(1);
}
.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text);
    cursor: pointer;
}

/* 9. ANIMATIONS & ACCESSIBILITY
----------------------------------------------- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}
/* Staggered animation */
.services-grid .animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
.services-grid .animate-on-scroll:nth-child(3) { transition-delay: 200ms; }
.services-grid .animate-on-scroll:nth-child(4) { transition-delay: 300ms; }


@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-delay: -1ms !important;
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        background-attachment: initial !important;
        scroll-behavior: auto !important;
        transition-duration: 0s !important;
        transition-delay: 0s !important;
    }
}


/* 10. RESPONSIVE DESIGN
----------------------------------------------- */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Mobile menu logic will handle this */
    }
    .mobile-menu-toggle {
        display: block;
        /* Styles for hamburger icon */
    }
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-image {
        margin-top: 2rem;
        order: -1;
    }
    .usp-bullets, .cta-buttons {
        justify-content: center;
    }
    .contact-container {
        grid-template-columns: 1fr;
    }
    .contact-info {
        text-align: center;
    }
    .contact-info .section-title {
        text-align: center;
    }
}

#portfolio-modal .portfolio-modal-content {
    background: none;
    max-width: 90vw;
    max-height: 90vh;
    width: auto;
    height: auto;
    padding: 0;
    border: none; /* Quitamos el borde del modal de texto */
}

#portfolio-modal-image {
    display: block;
    max-width: 100%;
    max-height: 90vh;
    width: auto;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.close-portfolio-modal {
    position: fixed; /* Usamos fixed para que esté fuera de la imagen si es necesario */
    top: 2rem;
    right: 2rem;
    background: rgba(10, 12, 16, 0.7); /* Fondo oscuro semitransparente */
    color: #fff;
    border: 1px solid var(--c-glass-border);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    z-index: 2010;
    transition: transform var(--transition-fast);
}

.close-portfolio-modal:hover {
    transform: scale(1.1) rotate(90deg);
}