/* ============================================
   Font Face - Fuente similar a Futura
   ============================================ */

/* 
   Usando Jost de Google Fonts como alternativa a Futura.
   Jost es una adaptación moderna de Futura con formas geométricas similares.
   
   Si más adelante quieres usar Futura real desde Adobe Fonts:
   1. Ve a https://fonts.adobe.com/ y busca "Futura LT W01 Book"
   2. Crea un proyecto web y copia el código
   3. En index.html, descomenta el link de Adobe Fonts
   4. Cambia 'Jost' por 'futura-lt-w01-book' en la variable --font-paragraph
*/

/* 
   OPCIÓN 3: Usar alternativa web gratuita similar (temporal hasta cargar Futura)
   Esta es una alternativa que se verá similar hasta que cargues la fuente real
*/
@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;600;700&display=swap');

/* ============================================
   Variables y Reset
   ============================================ */
:root {
    --color-primary: #004080;
    --color-primary-dark: #003366;
    --color-secondary: #0059b3;
    --color-light: #f7fafc;
    --color-light-gray: #e2e8f0;
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-white: #ffffff;
    --color-success: #48bb78;
    
    /* Tipografías 
       Nota: Futura LT W01 Book y Avenir LT son fuentes comerciales.
       Si no están instaladas, se usarán los fallbacks: Inter/Montserrat para web,
       o las fuentes del sistema. Para producción, cargar las fuentes desde Adobe Fonts
       o similar si se tienen licencias.
    */
    --font-paragraph: 'Jost', 'futura-lt-w01-book', 'Futura LT W01 Book', 'Futura LT', 'Futura', 'Century Gothic', 'Trebuchet MS', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Avenir LT', 'Avenir', 'Avenir Next', Montserrat, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    --max-width: 1200px;
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-paragraph);
    font-weight: 400;
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--color-white);
    max-width: 100%;
    margin: 0 auto;
    -webkit-text-size-adjust: 100%;
}

/* Evitar overflow en elementos que puedan desbordar */
table, pre, .contact-form {
    max-width: 100%;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ============================================
   Utilidades
   ============================================ */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    padding-left: max(var(--spacing-md), env(safe-area-inset-left));
    padding-right: max(var(--spacing-md), env(safe-area-inset-right));
}

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

.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.section-grid.reverse {
    grid-template-columns: 1fr 1fr;
}

.section-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.section-label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
}

.quienes-somos-sticky .section-label {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-xs);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin: 0;
}

.section-subtitle {
    font-family: var(--font-paragraph);
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text);
    margin: 0.5em 0 1em 0;
}

.section-description {
    font-family: var(--font-paragraph);
    font-size: clamp(1rem, 2.5vw, 22px);
    font-weight: 400;
    line-height: 1.5;
    color: rgb(23, 23, 23);
    font-style: normal;
}

.section-description p + p {
    margin-top: var(--spacing-md);
}

.section-description strong {
    font-weight: 700;
    color: var(--color-text);
}

.section-description u {
    text-decoration: underline;
}

/* ============================================
   Header
   ============================================ */
.header {
    background: transparent;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-white);
}

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

.logo-img {
    height: clamp(40px, 10vw, 56px);
    width: auto;
    max-width: 160px;
    object-fit: contain;
    display: block;
}

.logo-img-blue {
    display: none;
}

.header.scrolled .logo-img-white {
    display: none;
}

.header.scrolled .logo-img-blue {
    display: block;
}

.logo-menu-icon {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.logo-menu-icon span {
    width: 20px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
}

.logo-menu-icon.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.logo-menu-icon.active span:nth-child(2) {
    opacity: 0;
}

.logo-menu-icon.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.logo-text-container {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-main {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.logo-sub {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-list {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-close-wrapper {
    display: none;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    padding: var(--spacing-xs) 0;
    transition: var(--transition);
    position: relative;
    display: inline-block;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
    opacity: 0.8;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active {
    opacity: 1;
}

.nav-link.active::after {
    width: 100%;
    background: var(--color-primary);
}

.language-selector {
    display: flex;
    justify-content: flex-end;
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    background: none;
    backdrop-filter: none;
    color: var(--color-white);
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 400;
    cursor: pointer;
    transition: opacity 0.2s ease;
    border: none;
    min-width: auto;
    justify-content: center;
    opacity: 0.8;
}

.lang-btn:hover {
    background: none;
    opacity: 1;
    transform: none;
}

.header.scrolled .lang-btn {
    background: none;
    color: var(--color-text);
    border: none;
}

.header.scrolled .lang-btn:hover {
    background: none;
    border: none;
}

.lang-flag {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

/* Flag Icons (España / USA) - tamaño fijo */
.lang-flag-fi {
    width: 24px;
    height: 18px;
    border-radius: 2px;
    display: block;
    flex-shrink: 0;
}

.lang-flag-fi.hidden {
    display: none !important;
}

.lang-code {
    font-weight: 600;
    letter-spacing: 0.5px;
    font-size: 0.8125rem;
}

.lang-chevron {
    width: 12px;
    height: 12px;
    stroke: var(--color-white);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.7;
}

.lang-btn[aria-expanded="true"] .lang-chevron {
    transform: rotate(180deg);
}

.header.scrolled .lang-chevron {
    stroke: var(--color-text);
    opacity: 0.7;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    min-width: 70px;
    width: auto;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    overflow: hidden;
    border: 1px solid var(--color-light-gray);
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.lang-close {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-light);
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    z-index: 10;
}

.lang-close:hover {
    background: var(--color-light-gray);
    color: var(--color-text);
}

.lang-close svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 12px;
    width: 100%;
    text-align: center;
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 400;
}

.lang-dropdown > .lang-option:first-of-type {
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.lang-option:last-child {
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}

.lang-option:hover {
    background: var(--color-light);
    color: var(--color-primary);
}

.lang-option .lang-flag-fi {
    width: 24px;
    height: 18px;
}

.lang-option .lang-code {
    font-size: 0.875rem;
}

/* WhatsApp sticky */
.whatsapp-sticky {
    position: fixed;
    bottom: max(24px, env(safe-area-inset-bottom));
    right: max(24px, env(safe-area-inset-right));
    z-index: 9998;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.45);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    text-decoration: none;
    cursor: pointer;
}

.whatsapp-sticky:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-sticky svg {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
}

/* Alta especificidad para que ningún reset o regla global pise el botón flotante */
body > a.whatsapp-sticky {
    position: fixed;
    background: #25d366;
    color: #fff;
}
body > a.whatsapp-sticky svg {
    fill: currentColor;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-xs);
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
}

.header.scrolled .nav-link,
.header.scrolled .logo {
    color: var(--color-text);
}

.header.scrolled .nav-link::after {
    background: var(--color-primary);
}

.header.scrolled .nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

.header.scrolled .logo-menu-icon span,
.header.scrolled .nav-toggle span {
    background: var(--color-primary);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    color: var(--color-white);
    text-align: left;
    overflow: hidden;
    border-radius: 0px 0px 20px 20px;
    margin: 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: none !important;
    will-change: auto;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7) saturate(0.6);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.5) 100%);
}


.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.hero-subtitle {
    font-family: var(--font-paragraph);
    font-size: clamp(1rem, 2.5vw, 22px);
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-white);
    font-style: normal;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-buttons .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-text);
    font-weight: 600;
}

.btn-secondary:hover {
    background: var(--color-light-gray);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Quienes Somos Section
   ============================================ */
.quienes-somos {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.quienes-somos-grid {
    align-items: stretch;
    min-height: 80vh;
}

.quienes-somos-sticky {
    position: sticky;
    top: 120px;
    align-self: flex-start;
    padding-bottom: var(--spacing-xl);
    max-width: 100%;
}

.quienes-somos-sticky .section-title {
    margin-bottom: var(--spacing-md);
}

.quienes-somos-sticky .section-description {
    max-width: 90%;
}

.quienes-somos-cards {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Slot por card: da altura de scroll para que cada card quede sticky y la siguiente la reemplace */
.quienes-card-slot {
    min-height: 85vh;
    display: flex;
    align-items: flex-start;
    padding-bottom: var(--spacing-xl);
}

.quienes-card-slot .quienes-card {
    position: sticky;
    top: 120px;
    width: 100%;
    flex-shrink: 0;
}

/* ============================================
   Cards
   ============================================ */
.cards-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.cards-container.quienes-somos-cards {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.card {
    padding: var(--spacing-xl);
    border-radius: 20px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(60px);
    will-change: transform, opacity;
}

.card.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Hacer las cards visibles si el IntersectionObserver no funciona */
.quienes-card {
    opacity: 1;
    transform: translateY(0);
}

.card-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(26, 54, 93, 0.2);
}

.card-light {
    background: var(--color-light-gray);
    color: var(--color-text);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.card-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.card-primary .card-number {
    color: var(--color-white);
}

.card-light .card-number {
    color: var(--color-text);
}

/* Icono y título en la misma línea */
.card-header-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-header-row .card-title {
    margin-bottom: 0;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.card-text {
    font-family: var(--font-paragraph);
    font-size: clamp(0.9375rem, 1.8vw, 22px);
    font-weight: 400;
    line-height: 1.5;
    font-style: normal;
    opacity: 0.9;
}

.card-primary .card-text {
    color: var(--color-white);
}

.card-light .card-text {
    color: rgb(23, 23, 23);
    opacity: 0.8;
}

/* Animaciones para las tarjetas de Quienes Somos */
.quienes-card {
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
                opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.quienes-card[data-animate-delay="0"] {
    transition-delay: 0s;
}

.quienes-card[data-animate-delay="1"] {
    transition-delay: 0.2s;
}

.quienes-card[data-animate-delay="2"] {
    transition-delay: 0.4s;
}

/* ============================================
   Quote Banner
   ============================================ */
.quote-banner {
    position: relative;
    padding: clamp(2.5rem, 6vw, 5rem) 0;
    text-align: center;
    color: var(--color-white);
    overflow: hidden;
}

.quote-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/Graph.avif') center / cover no-repeat;
}

.quote-background::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    opacity: 0.5;
}

.quote-text {
    position: relative;
    z-index: 1;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 600;
    font-style: italic;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Visual Icons
   ============================================ */
.section-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-icon {
    width: 300px;
    height: 300px;
    color: var(--color-primary);
    opacity: 0.8;
}

.visual-icon svg {
    width: 100%;
    height: 100%;
}

.visual-icon-lottie {
    width: 420px;
    height: 420px;
}

.visual-icon-lottie dotlottie-wc {
    width: 100%;
    height: 100%;
    display: block;
}

.network-icon {
    animation: pulse 3s ease-in-out infinite;
}

.heart-icon {
    animation: beat 2s ease-in-out infinite;
}

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

@keyframes beat {
    0%, 100% {
        transform: scale(1);
    }
    10%, 30% {
        transform: scale(1.1);
    }
    20%, 40% {
        transform: scale(1);
    }
}

/* Estilos de Divisiones en css/divisiones.css */

/* ============================================
   Link External
   ============================================ */
.link-external {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: 600;
    transition: var(--transition);
}

.link-external:hover {
    gap: var(--spacing-sm);
    color: var(--color-secondary);
}

.link-external svg {
    width: 18px;
    height: 18px;
}

.responsabilidad-fundacion-img {
    display: block;
    max-width: 280px;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* ============================================
   Contact Form
   ============================================ */
.contact {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding-right: var(--spacing-xl);
    padding-top: var(--spacing-md);
    position: sticky;
    top: 120px;
    align-self: flex-start;
}

.contact-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
    line-height: 1.1;
}

.contact-subtitle {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    opacity: 0.9;
}

.contact-description {
    font-family: var(--font-paragraph);
    font-size: 1.125rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--color-white);
    opacity: 0.95;
    margin-bottom: var(--spacing-lg);
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-white);
    opacity: 0.9;
    font-size: 0.95rem;
}

.contact-feature svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.8;
}

.contact-form-wrapper {
    margin-top: 0;
}

.contact-form {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-form:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
}

.form-header {
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

.form-subtitle {
    font-family: var(--font-paragraph);
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin: 0;
}

.form-body {
    margin-bottom: 0;
    padding-top: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-md);
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
    display: block;
    letter-spacing: 0.02em;
}

.form-group label .required {
    color: #e53e3e;
    margin-left: 2px;
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1.125rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: var(--font-paragraph);
    font-weight: 400;
    font-size: 1rem;
    transition: all 0.2s ease;
    color: var(--color-text);
    background: var(--color-white);
    width: 100%;
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: #cbd5e0;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-light);
    opacity: 0.6;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(0, 64, 128, 0.08);
    background: #fafbfc;
}

.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: #e53e3e;
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: #48bb78;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-footer {
    margin-top: var(--spacing-md);
    padding-top: 0;
}

.btn-submit {
    width: 100%;
    padding: 1rem var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-submit svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 64, 128, 0.3);
}

.btn-submit:hover svg {
    transform: translateX(4px);
}

.btn-submit:active {
    transform: translateY(0);
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.show {
    display: block;
}

.form-message.success {
    background: var(--color-success);
    color: var(--color-white);
}

.form-message.error {
    background: #e53e3e;
    color: var(--color-white);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: #1a202c;
    color: var(--color-light-gray);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    justify-items: center;
    margin-bottom: var(--spacing-xl);
}

.footer-col-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.footer-logo-img {
    width: 210px;
    height: auto;
    display: block;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    color: var(--color-light-gray);
    transition: var(--transition);
    border-radius: 10px;
}

.footer-social-icon:hover {
    color: var(--color-white);
}

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

.footer-col-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
}

.footer-col-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.footer-contact-icon {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-light-gray);
}

.footer-contact-text {
    color: var(--color-light-gray);
    font-size: 1rem;
    line-height: 1.5;
}

.footer-contact-text a {
    color: inherit;
    transition: var(--transition);
}

.footer-contact-text a:hover,
a.footer-contact-text:hover {
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-cnv {
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--color-light-gray);
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.footer-copyright {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ============================================
   Responsive Design - Tablet & Mobile
   ============================================ */

/* Tablet (hasta 1024px) */
@media (max-width: 1024px) {
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-grid {
        gap: var(--spacing-xl);
    }
    
    .quienes-somos {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }
    
    .quienes-somos-grid {
        min-height: auto;
    }
    
    .visual-icon-lottie {
        width: 320px;
        height: 320px;
    }
    
    .visual-icon {
        width: 240px;
        height: 240px;
    }
}

/* Tablet portrait / layout en columna (968px) */
@media (max-width: 968px) {
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .section-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .section-grid.reverse {
        grid-template-columns: 1fr;
    }
    
    .quienes-somos-grid {
        grid-template-columns: 1fr;
    }
    
    .quienes-somos-sticky {
        position: relative;
        top: 0;
        margin-bottom: var(--spacing-xl);
        padding-bottom: 0;
    }
    
    .quienes-somos-sticky .section-description {
        max-width: 100%;
    }

    .quienes-card-slot {
        min-height: 0;
        padding-bottom: var(--spacing-lg);
    }

    .quienes-card-slot .quienes-card {
        position: relative;
        top: 0;
    }

    .quienes-somos-cards {
        gap: var(--spacing-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-content {
        position: relative;
        top: 0;
        padding-right: 0;
        padding-top: 0;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .contact-features {
        align-items: center;
    }
    
    .contact-form {
        padding: var(--spacing-lg);
        max-width: 100%;
    }
    
    .form-header {
        margin-bottom: 0;
        padding-bottom: 0;
    }
    
    .form-body .form-group {
        margin-top: 0;
    }
    
    .footer-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .footer-col-left {
        align-items: center;
    }
    
    .footer-col-center {
        align-items: center;
    }
    
    .footer-col-right {
        align-items: center;
    }
    
    .footer-cnv {
        max-width: 100%;
        text-align: center;
    }
    
    .footer-contact-item {
        justify-content: center;
    }
    
    .footer-logo-img {
        margin: 0 auto;
    }
}

@media (max-width: 968px) {
    .header-content {
        grid-template-columns: auto 1fr;
        gap: var(--spacing-md);
        padding: var(--spacing-sm) 0;
    }
    
    .logo {
        justify-content: flex-start;
    }
    
    .nav {
        grid-column: 2;
        width: 100%;
        justify-content: flex-end;
    }
    
    .nav-list {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .nav-link {
        font-size: 0.8125rem;
    }
    
    .language-selector {
        justify-content: flex-end;
    }
    
    .nav-toggle {
        display: none;
    }
}

/* Mobile (768px) */
@media (max-width: 768px) {
    :root {
        --spacing-2xl: 3rem;
    }
    
    .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .section-header .section-description br {
        display: none;
    }
    
    .section-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }
    
    .section-description {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .header-content {
        grid-template-columns: 1fr auto;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) 0;
        align-items: center;
    }
    
    .logo {
        justify-content: flex-start;
    }
    
    .logo-img {
        height: 56px;
    }
    
    .nav-toggle {
        display: flex;
        flex-direction: column;
        gap: 4px;
        padding: var(--spacing-xs);
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        cursor: pointer;
        color: var(--color-white);
    }
    
    .nav-toggle span {
        width: 25px;
        height: 2px;
        background: currentColor;
        transition: var(--transition);
    }
    
    .header.scrolled .nav-toggle span {
        background: var(--color-primary);
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        max-width: 320px;
        height: 100vh;
        height: 100dvh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        z-index: 999;
        display: flex;
        flex-direction: column;
        padding: max(var(--spacing-sm), env(safe-area-inset-top)) max(var(--spacing-sm), env(safe-area-inset-right)) max(var(--spacing-md), env(safe-area-inset-bottom)) max(var(--spacing-sm), env(safe-area-inset-left));
        transform: translateX(100%);
        transition: transform 0.3s ease;
        overflow: hidden;
    }
    
    .nav.active {
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        gap: 0;
        padding: 0;
        overflow-y: auto;
        flex: 1;
        list-style: none;
        width: 100%;
        min-width: 0;
    }
    
    .nav-list .nav-link {
        color: var(--color-text);
        font-size: 1rem;
        padding: var(--spacing-sm) 0;
        min-height: 44px;
        display: flex;
        align-items: center;
        width: 100%;
    }
    
    .nav-list .nav-link.active::after {
        background: var(--color-primary);
    }
    
    .nav-list .nav-link.active {
        color: var(--color-primary);
        font-weight: 600;
    }
    
    .nav-close-wrapper {
        width: 100%;
        display: flex;
        justify-content: flex-end;
        padding-bottom: var(--spacing-sm);
        border-bottom: 1px solid var(--color-light-gray);
        margin-bottom: var(--spacing-xs);
        list-style: none;
    }
    
    .nav-close {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 44px;
        min-height: 44px;
        background: none;
        border: none;
        cursor: pointer;
        color: var(--color-text);
        padding: var(--spacing-xs);
        border-radius: 8px;
        transition: all 0.2s ease;
    }
    
    .nav-close:hover {
        background: var(--color-light-gray);
    }
    
    .nav-close svg {
        width: 24px;
        height: 24px;
        stroke: currentColor;
        stroke-width: 2;
    }
    
    .nav-lang {
        margin-top: auto;
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--color-light-gray);
        justify-content: flex-start;
        width: 100%;
        min-width: 0;
        position: relative;
    }
    
    .nav-lang .lang-btn {
        color: var(--color-text);
        min-width: 44px;
        min-height: 44px;
        padding: 8px 12px;
    }
    
    .nav-lang .lang-chevron {
        stroke: var(--color-text);
    }
    
    .nav-lang .lang-dropdown {
        top: auto;
        bottom: calc(100% + 6px);
        left: 0;
        right: auto;
    }
    
    .lang-btn {
        min-width: 44px;
        min-height: 44px;
        padding: 8px;
    }
    
    .lang-dropdown {
        min-width: auto;
        width: max-content;
        white-space: nowrap;
    }
    
    .lang-option {
        padding: 10px 16px;
        min-width: 70px;
        min-height: 44px;
        width: auto;
    }
    
    .hero {
        min-height: 100vh;
        min-height: 100dvh;
        margin: 0;
        border-radius: 0;
        align-items: center;
        justify-content: center;
        padding-bottom: env(safe-area-inset-bottom, 0);
    }
    
    .hero-overlay {
        background: linear-gradient(to bottom, rgba(0, 0, 0, 0.25) 0%, rgba(0, 0, 0, 0.55) 50%, rgba(0, 0, 0, 0.7) 100%);
    }
    
    .hero .container {
        padding-left: max(1.25rem, env(safe-area-inset-left));
        padding-right: max(1.25rem, env(safe-area-inset-right));
    }
    
    .hero-content {
        max-width: 100%;
        padding: var(--spacing-xl) 0;
        padding-bottom: calc(var(--spacing-2xl) + env(safe-area-inset-bottom, 0));
        margin-bottom: 0;
        text-align: center;
        width: 100%;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
        margin-bottom: var(--spacing-md);
        line-height: 1.15;
        letter-spacing: 0.02em;
        max-width: 20ch;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-subtitle {
        font-size: 1.0625rem;
        line-height: 1.55;
        margin-bottom: var(--spacing-xl);
        max-width: 32ch;
        margin-left: auto;
        margin-right: auto;
        opacity: 0.98;
    }
    
    .hero-buttons {
        flex-direction: row;
        gap: var(--spacing-md);
        justify-content: center;
        flex-wrap: wrap;
        margin-top: var(--spacing-sm);
    }
    
    .hero-buttons .btn {
        width: auto;
        min-height: 48px;
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.875rem;
        flex: 0 1 auto;
        border-radius: var(--border-radius);
    }
    
    .quote-banner {
        padding: var(--spacing-xl) var(--spacing-sm);
    }
    
    .quote-text {
        font-size: clamp(1.25rem, 4vw, 1.75rem);
    }
    
    .visual-icon {
        width: 180px;
        height: 180px;
    }
    
    .visual-icon-lottie {
        width: 240px;
        height: 240px;
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    .card-number {
        font-size: 2rem;
    }
    
    .card-title {
        font-size: 1.375rem;
    }
    
    .card-text {
        font-size: 1rem;
    }
    
    .card-icon {
        width: 40px;
        height: 40px;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
    }
    
    .contact {
        padding: var(--spacing-xl) 0;
    }
    
    .contact-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }
    
    .contact-description {
        font-size: 1rem;
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .form-group input,
    .form-group textarea {
        font-size: 16px;
        min-height: 48px;
    }
    
    .form-group textarea {
        min-height: 120px;
    }
    
    .btn-submit {
        min-height: 52px;
        font-size: 1rem;
    }
    
    .footer {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
    
    .footer-row {
        gap: var(--spacing-lg);
    }
    
    .footer-logo-img {
        width: 160px;
    }
    
    .footer-contact-text {
        font-size: 0.9375rem;
    }
    
    .link-external {
        word-break: break-word;
    }

    /* Botón flotante WhatsApp en móvil: alineado a la derecha, sin barra full width */
    .whatsapp-sticky {
        left: auto;
        width: 52px;
        height: 52px;
        min-width: 52px;
        max-width: 52px;
        min-height: 52px;
        bottom: max(16px, env(safe-area-inset-bottom, 16px));
        right: max(16px, env(safe-area-inset-right, 16px));
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
    }
    .whatsapp-sticky:hover {
        transform: translateZ(0) scale(1.08);
        -webkit-transform: translateZ(0) scale(1.08);
    }
    .whatsapp-sticky svg {
        width: 28px;
        height: 28px;
    }
}

/* Mobile pequeño (480px) */
@media (max-width: 480px) {
    .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    
    .section {
        padding: var(--spacing-md) 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .hero-content {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.9375rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
    }
    
    .hero-buttons .btn {
        width: 100%;
        min-height: 48px;
    }
    
    .btn {
        width: 100%;
        min-height: 48px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .card-title {
        font-size: 1.25rem;
    }
    
    .card-number {
        font-size: 1.75rem;
    }
    
    .contact-form {
        padding: var(--spacing-md);
    }
    
    .contact-content {
        position: relative;
        top: 0;
        padding-right: 0;
        gap: var(--spacing-md);
    }
    
    .contact-grid {
        gap: var(--spacing-lg);
    }
    
    .contact-title {
        font-size: 1.5rem;
    }
    
    .form-title {
        font-size: 1.375rem;
    }
    
    .footer-logo-img {
        width: 140px;
    }
    
    .footer-copyright {
        font-size: 0.8125rem;
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
}

/* Móvil muy pequeño (375px) - safe area y legibilidad */
@media (max-width: 375px) {
    .container {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }
    
    .hero-title {
        font-size: 1.375rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .hero-subtitle {
        max-width: 26ch;
    }
    
    .hero-buttons {
        max-width: 100%;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .footer-row {
        gap: var(--spacing-md);
    }
}