/* ==========================================================================
   1. VARIABLES DE DISEÑO (ROOT SYSTEM - MANTENIDO)
   ========================================================================== */
:root {
    /* Paleta Principal - Cacao & Tierra */
    --color-primary-dark: #2D140E;    /* Chocolate oscuro elegante */
    --color-primary-medium: #3E1E16;  /* Café medio profundo */
    --color-accent-gold: #BA8E48;     /* Oro/Ocre corporativo ExpoFranco */
    --color-accent-bright: #D4AF37;   /* Dorado de acento / highlights */
    
    /* Fondos y Superficies */
    --color-bg-light: #F9F6F0;        /* Crema suave premium */
    --color-bg-card: #FFFFFF;         /* Blanco puro para tarjetas */
    --color-bg-subtle: #EFE8DC;       /* Crema secundario para contrastes */
    
    /* Textos */
    --color-text-main: #2B211E;       /* Texto base oscuro */
    --color-text-muted: #665752;      /* Texto secundario / bajadas */
    --color-text-light: #FAF6EE;      /* Texto sobre fondos oscuros */

    /* Tipografías */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Sombras y Elevación */
    --shadow-sm: 0 4px 12px rgba(45, 20, 14, 0.05);
    --shadow-md: 0 8px 24px rgba(45, 20, 14, 0.08);
    --shadow-lg: 0 16px 36px rgba(45, 20, 14, 0.15);
    
    /* Transiciones */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Bordes */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

/* ==========================================================================
   2. REINICIO Y BASE
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg-light);
    color: var(--color-text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

strong {
    color: var(--color-primary-dark);
    font-weight: 700;
}

/* ==========================================================================
   3. COMPONENTES UI GENERALES
   ========================================================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background-color: var(--color-accent-gold);
    color: var(--color-primary-dark);
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 50px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-accent-bright);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.section-tag {
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-accent-gold);
    margin-bottom: 12px;
    display: block;
}

.section-tag.style-bright {
    color: var(--color-accent-bright);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-primary-dark);
    line-height: 1.25;
    margin-bottom: 20px;
}

.section-title em {
    font-style: italic;
    color: var(--color-accent-gold);
}

.section-title.light-text {
    color: var(--color-text-light);
}

/* ==========================================================================
   4. HEADER & NAVBAR (MANTENIDO)
   ========================================================================== */
.main-header {
    background-color: var(--color-bg-light);
    border-bottom: 2px solid var(--color-primary-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.header-center-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.badge-logo {
    width: 85px;
    height: 85px;
    background: var(--color-primary-dark);
    color: var(--color-text-light);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--color-accent-bright);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-smooth);
}

.badge-logo:hover {
    transform: scale(1.08) rotate(2deg);
}

.badge-logo span {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.badge-logo small {
    font-size: 0.5rem;
    opacity: 0.8;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

.main-nav a {
    color: var(--color-primary-dark);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding-bottom: 4px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--color-accent-gold);
    transition: width var(--transition-fast);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

/* ==========================================================================
   5. SECCIÓN 1: ABOUT HERO HEADER (SIN BANNER TRADICIONAL)
   ========================================================================== */
.about-hero-header {
    background-color: var(--color-bg-subtle);
    padding: 70px 40px 60px 40px;
    text-align: center;
    border-bottom: 1px solid rgba(45, 20, 14, 0.08);
}

.about-hero-container {
    max-width: 900px;
    margin: 0 auto;
}

.page-title {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    color: var(--color-primary-dark);
    line-height: 1.18;
    margin-bottom: 20px;
}

.page-title em {
    font-style: italic;
    color: var(--color-accent-gold);
}

.page-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   6. SECCIÓN 2: RAÍCES FAMILIARES (DISEÑO EDITORIAL)
   ========================================================================== */
.roots-section {
    padding: 90px 40px;
    max-width: 1300px;
    margin: 0 auto;
}

.roots-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.badge-year {
    display: inline-block;
    background: var(--color-primary-dark);
    color: var(--color-accent-bright);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.lead-paragraph {
    font-size: 1.2rem;
    color: var(--color-primary-dark);
    line-height: 1.6;
    margin-bottom: 20px;
    font-weight: 500;
}

.body-paragraph {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.roots-image-card {
    position: relative;
    border-radius: 40px 10px 40px 10px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--color-accent-gold);
}

.roots-image-card img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.roots-image-card:hover img {
    transform: scale(1.03);
}

/* ==========================================================================
   7. SECCIÓN 3: PRESENCIA INTERNACIONAL (DISEÑO OSCURO ELEGANTE)
   ========================================================================== */
.global-section {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary-medium) 100%);
    color: var(--color-text-light);
    padding: 100px 40px;
    position: relative;
}

.global-container {
    max-width: 1300px;
    margin: 0 auto;
}

.global-header-box {
    max-width: 800px;
    margin: 0 auto 60px auto;
}

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

.global-description {
    font-size: 1.1rem;
    color: #E2D6C6;
    line-height: 1.7;
}

.global-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.global-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    text-align: center;
    transition: all var(--transition-smooth);
}

.global-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.09);
    border-color: var(--color-accent-bright);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

.global-card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.global-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent-bright);
    display: block;
    line-height: 1;
    margin-bottom: 10px;
}

.global-card h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.global-card p {
    font-size: 0.9rem;
    color: #C2B6A6;
    line-height: 1.5;
}

/* ==========================================================================
   8. SECCIÓN 4: LIDERAZGO Y VISIÓN GENERACIONAL
   ========================================================================== */
.leadership-section {
    padding: 100px 40px;
    max-width: 1300px;
    margin: 0 auto;
}

.leadership-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.ceo-image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--color-accent-gold);
}

.ceo-image-frame img {
    width: 100%;
    height: 460px;
    object-fit: cover;
}

.leadership-text {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 25px;
    line-height: 1.7;
}

.ceo-quote-card {
    background: var(--color-bg-subtle);
    padding: 30px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-accent-gold);
    margin: 30px 0;
    font-style: italic;
    color: var(--color-primary-dark);
}

.ceo-quote-card p {
    font-size: 1rem;
    line-height: 1.6;
}

.ceo-quote-card cite {
    display: block;
    margin-top: 15px;
    font-style: normal;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent-gold);
}

/* ==========================================================================
   9. CARRUSEL INFINITO SOCIOS
   ========================================================================== */
.partners-section-wrapper {
    background-color: var(--color-bg-light);
    padding-bottom: 60px;
}

.partners-block {
    text-align: center;
    position: relative;
}

.partners-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-primary-dark);
    margin-bottom: 35px;
}

.marquee-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 20px 0;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
}

.marquee-track {
    display: flex;
    width: max-content;
    gap: 30px;
    animation: marqueeScroll 25s linear infinite;
}

.marquee-container:hover .marquee-track {
    animation-play-state: paused;
}

.marquee-group {
    display: flex;
    align-items: center;
    gap: 30px;
}

.partner-card {
    background: var(--color-bg-card);
    width: 200px;
    height: 95px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border: 1px solid rgba(45, 20, 14, 0.08);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.partner-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent-gold);
    box-shadow: var(--shadow-md);
}

.partner-logo-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.65);
    transition: filter var(--transition-fast);
}

.partner-card:hover .partner-logo-img {
    filter: grayscale(0%) opacity(1);
}

@keyframes marqueeScroll {
    0% { transform: translateX(0%); }
    100% { transform: translateX(-50%); }
}

/* ==========================================================================
   10. FOOTER (MANTENIDO)
   ========================================================================== */
.main-footer {
    background-color: var(--color-primary-dark);
    color: var(--color-text-light);
    position: relative;
    padding-top: 40px;
}

.footer-top-decoration {
    height: 6px;
    background: var(--color-accent-gold);
    width: 100%;
}

.footer-main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 50px 30px;
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 40px;
    align-items: center;
}

.footer-illustration {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    box-shadow: 0 6px 15px rgba(0,0,0,0.4);
    opacity: 0.85;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-col h4 {
    font-family: var(--font-heading);
    color: var(--color-accent-gold);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: #E2D6C6;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-accent-bright);
}

.footer-bottom-bar {
    background-color: #1C0A07;
    padding: 20px 40px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.bottom-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #A89B92;
}

.bottom-brand strong {
    color: var(--color-text-light);
    font-size: 1.1rem;
    display: block;
}

.bottom-brand small {
    font-size: 0.65rem;
    letter-spacing: 1px;
}

.bottom-legal a {
    color: #A89B92;
}

.back-to-top {
    background-color: var(--color-primary-medium);
    color: var(--color-text-light);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* ==========================================================================
   11. ANIMACIONES Y RESPONSIVE
   ========================================================================== */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-down { animation: fadeInDown 0.8s ease-out forwards; }
.animate-fade-up { animation: fadeInUp 0.8s ease-out forwards; }
.animate-fade-up-delay { animation: fadeInUp 0.8s ease-out 0.2s forwards; opacity: 0; }

@media (max-width: 1024px) {
    .header-center-logo { display: none; }
    .roots-container, .leadership-container { grid-template-columns: 1fr; }
    .footer-main-content { grid-template-columns: 1fr; }
    .footer-art-col { display: none; }
}

@media (max-width: 768px) {
    .header-container { padding: 15px 20px; }
    .main-nav { display: none; }
    .page-title { font-size: 2.2rem; }
    .section-title { font-size: 2rem; }
    .footer-links-grid { grid-template-columns: 1fr; }
    .bottom-container { flex-direction: column; gap: 15px; text-align: center; }
}

/* ==========================================================================
   SECCIÓN FAQS & ACORDEÓN
   ========================================================================== */

.faqs-section {
    padding: 100px 40px;
    background-color: var(--color-bg-light);
}

.faqs-container {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 60px;
    align-items: flex-start;
}

/* Columna de Imagen */
.faqs-image-col {
    position: sticky;
    top: 100px;
}

.faqs-image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--color-accent-gold);
    box-shadow: var(--shadow-lg);
}

.faqs-image-frame img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    display: block;
}

.faqs-image-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: var(--color-primary-dark);
    color: var(--color-accent-bright);
    padding: 8px 18px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    border: 1px solid var(--color-accent-bright);
}

.faqs-description {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-bottom: 30px;
}

/* Acordeón */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.accordion-item {
    background-color: var(--color-bg-card);
    border: 1px solid rgba(45, 20, 14, 0.08);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.accordion-item.active {
    border-color: var(--color-accent-gold);
    box-shadow: var(--shadow-md);
}

/* Header / Botón de Pregunta */
.accordion-header {
    width: 100%;
    padding: 22px 25px;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    cursor: pointer;
    outline: none;
    gap: 15px;
}

.accordion-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    transition: color var(--transition-fast);
}

.accordion-item.active .accordion-title {
    color: var(--color-accent-gold);
}

/* Icono + / - */
.accordion-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--color-bg-subtle);
    position: relative;
    flex-shrink: 0;
    transition: transform var(--transition-smooth), background-color var(--transition-fast);
}

.accordion-icon::before,
.accordion-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 2px;
    background-color: var(--color-primary-dark);
    transform: translate(-50%, -50%);
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.accordion-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.accordion-item.active .accordion-icon {
    background-color: var(--color-primary-dark);
    transform: rotate(180deg);
}

.accordion-item.active .accordion-icon::before {
    background-color: var(--color-text-light);
}

.accordion-item.active .accordion-icon::after {
    transform: translate(-50%, -50%) rotate(0deg);
    opacity: 0; /* Oculta la línea vertical para formar el icono menos (-) */
}

/* Contenido / Respuesta */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
}

.accordion-body {
    padding: 0 25px 22px 25px;
    color: var(--color-text-muted);
    font-size: 0.98rem;
    line-height: 1.6;
    border-top: 1px solid rgba(45, 20, 14, 0.05);
    padding-top: 15px;
}

/* Responsive */
@media (max-width: 1024px) {
    .faqs-container {
        grid-template-columns: 1fr;
    }
    .faqs-image-col {
        position: static;
    }
    .faqs-image-frame img {
        height: 350px;
    }
}