/* 
   SITRAF - Sindicato de Trabajadores Fintech de la República Argentina
   Hoja de Estilos CSS Oficial - Premium & Responsive
*/

/* ==========================================================================
   1. VARIABLES DE DISEÑO & CUSTOM PROPERTIES
   ========================================================================== */
:root {
    /* Paleta de Colores (Extraída de los logos de la marca) */
    --color-primary: #001C49;       /* Azul Marino Profundo (Confianza, Estructura) */
    --color-secondary: #0060A8;     /* Azul Digital / Eléctrico (Tecnología, Innovación) */
    --color-accent: #00A8E8;        /* Azul Claro / Cripto (Acentos, Links) */
    --color-dark: #0B132B;          /* Azul Oscuro / Tipografía */
    --color-light: #F7F7F7;         /* Gris Claro (Fondos Neutros) */
    --color-white: #FFFFFF;         /* Blanco Puro */
    --color-gray: #64748B;          /* Gris de Lectura Secundario */
    --color-border: #E2E8F0;        /* Color de bordes ligeros */
    --color-success: #10B981;       /* Verde Éxito */
    --color-danger: #EF4444;        /* Rojo Error */
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, #0B132B 100%);
    --gradient-tech: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    --gradient-glow: linear-gradient(135deg, #0052D4 0%, #4364F7 50%, #6FB1FC 100%);
    
    /* Fuentes */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Sombras (Box Shadows) */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-premium: 0 20px 25px -5px rgba(0, 28, 73, 0.1), 0 10px 10px -5px rgba(0, 28, 73, 0.04);
    
    /* Transiciones */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Medidas y Bordes */
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-round: 50%;
    
    --header-height: 80px;
}

/* ==========================================================================
   2. RESET & ESTILOS GLOBALES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Tipografías */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

p {
    font-size: 1rem;
    color: var(--color-gray);
    margin-bottom: 1.25rem;
}

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

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

ul {
    list-style: none;
}

/* Scrollbar Personalizado */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-light);
}
::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray);
}

/* ==========================================================================
   3. ESTRUCTURA Y CONTENEDORES
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.section-spacing {
    padding-top: 100px;
    padding-bottom: 100px;
}

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

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

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

.text-gradient {
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Badges e Identificadores */
.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: rgba(0, 96, 168, 0.1);
    color: var(--color-secondary);
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 30px;
    margin-bottom: 20px;
}

.section-badge.badge-accent {
    background-color: rgba(0, 168, 232, 0.1);
    color: var(--color-accent);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--color-primary);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 50px;
}

.subsection-title {
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 40px;
}

.paragraph-focus {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--color-dark);
}

/* ==========================================================================
   4. COMPONENTES REUTILIZABLES (BOTONES, INPUTS)
   ========================================================================== */
/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
    gap: 10px;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-white);
}
.btn-primary:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 28, 73, 0.2);
}

.btn-gradient {
    background: var(--gradient-tech);
    color: var(--color-white);
    border: none;
}
.btn-gradient:hover {
    background: var(--gradient-glow);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 96, 168, 0.35);
}

.btn-outline {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--color-white);
}
.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ==========================================================================
   5. HEADER / NAVBAR
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    z-index: 1000;
    transition: var(--transition-normal);
}

/* Header scrolled state */
.main-header.scrolled {
    height: 70px;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.header-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 52px;
    width: 52px;
    object-fit: cover;
    border-radius: var(--border-radius-round);
    border: 2px solid var(--color-primary);
    transition: var(--transition-normal);
}

.main-header.scrolled .logo-img {
    height: 44px;
    width: 44px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--color-primary);
    letter-spacing: -0.03em;
    line-height: 1;
}

.logo-sub {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Navegación */
.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: block;
    padding: 8px 16px;
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-dark);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-secondary);
    background-color: rgba(0, 96, 168, 0.05);
}

.nav-cta-btn {
    padding: 8px 20px;
    font-size: 0.9rem;
    border-radius: var(--border-radius-sm);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn .bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 4px;
    transition: var(--transition-normal);
}

/* ==========================================================================
   6. HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    min-height: 90vh;
    padding-top: calc(var(--header-height) + 50px);
    padding-bottom: 120px;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: var(--color-white);
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 620px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 30px;
    margin-bottom: 25px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--color-white);
}

.hero-lead {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.5;
}

.hero-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Tarjetas Flotantes en Hero (Formato Cuadrado y Proporcionado) */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-card {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    padding: 22px;
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.2);
    width: 210px;
    height: 210px;
    transition: var(--transition-normal);
}

.floating-card:hover {
    transform: scale(1.06) translateY(-8px) !important;
    border-color: var(--color-accent);
    box-shadow: 0 35px 70px rgba(0, 96, 168, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.3);
    background-color: rgba(255, 255, 255, 0.08);
}

.card-header-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient-tech);
    border-radius: 12px;
    color: var(--color-white);
    font-size: 1.4rem;
    box-shadow: 0 8px 16px rgba(0, 96, 168, 0.3);
    transition: var(--transition-fast);
}

.floating-card:hover .card-header-icon {
    transform: rotate(5deg) scale(1.05);
}

.card-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: auto;
}

.card-details h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0;
    letter-spacing: -0.01em;
}

.card-details p {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
    margin-bottom: 0;
}

.fintech-card {
    top: 0;
    left: 2%;
    animation: floatAnimation1 7s ease-in-out infinite alternate;
}

.blockchain-card {
    top: 28%;
    right: 2%;
    animation: floatAnimation2 8s ease-in-out infinite alternate;
    background-color: rgba(0, 96, 168, 0.12);
    border-color: rgba(0, 168, 232, 0.25);
}

.blockchain-card .card-header-icon {
    background-color: var(--color-accent);
    background: linear-gradient(135deg, var(--color-accent) 0%, #00d2ff 100%);
    box-shadow: 0 8px 16px rgba(0, 168, 232, 0.3);
}

.ai-card {
    bottom: 5%;
    left: 15%;
    animation: floatAnimation3 7.5s ease-in-out infinite alternate;
}

@keyframes floatAnimation1 {
    0% { transform: translateY(0); }
    100% { transform: translateY(-16px); }
}

@keyframes floatAnimation2 {
    0% { transform: translateY(0); }
    100% { transform: translateY(-12px) translateX(-5px); }
}

@keyframes floatAnimation3 {
    0% { transform: translateY(0); }
    100% { transform: translateY(-14px) translateX(6px); }
}

/* Divisor de Ola */
.wave-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

.wave-divider .shape-fill {
    fill: var(--color-white);
}

/* ==========================================================================
   7. ECOSISTEMA FINTECH (TECH LIST - REDISEÑO PREMIUM)
   ========================================================================== */
.ecosystem-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    margin-top: 50px;
}

.eco-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    width: calc(25% - 20px);
    min-width: 260px;
    max-width: 285px;
    flex-grow: 1;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    text-align: left;
    cursor: pointer;
}

.eco-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 100% 100%, rgba(0, 96, 168, 0.05) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition-normal);
    pointer-events: none;
}

.eco-item:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 96, 168, 0.3);
    box-shadow: var(--shadow-premium);
}

.eco-item:hover::before {
    opacity: 1;
}

.eco-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background-color: rgba(0, 96, 168, 0.08);
    border-radius: 12px;
    color: var(--color-secondary);
    font-size: 1.8rem;
    margin-bottom: 20px;
    transition: var(--transition-normal);
}

.eco-item:hover .eco-icon {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: scale(1.05) rotate(3deg);
    box-shadow: 0 8px 16px rgba(0, 96, 168, 0.2);
}

.eco-item h4 {
    font-family: var(--font-title);
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 8px;
    font-weight: 700;
}

.eco-item p {
    font-size: 0.85rem;
    color: var(--color-gray);
    line-height: 1.5;
    margin-bottom: 0;
}

/* ==========================================================================
   8. SOBRE NOSOTROS & VALORES
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.about-info {
    display: flex;
    flex-direction: column;
}

.mision-vision-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
}

.mv-card {
    display: flex;
    flex-direction: column;
    padding: 35px 30px;
    border-radius: 20px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.mision-card {
    background: linear-gradient(135deg, #001C49 0%, #06152B 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.vision-card {
    background: linear-gradient(135deg, #0060A8 0%, #00467A 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Background glowing lights */
.mv-card::after {
    content: '';
    position: absolute;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    filter: blur(50px);
    opacity: 0.12;
    z-index: 1;
    pointer-events: none;
}

.mision-card::after {
    background-color: var(--color-accent);
    bottom: -40px;
    right: -40px;
}

.vision-card::after {
    background-color: var(--color-white);
    bottom: -40px;
    right: -40px;
}

.mv-card:hover {
    transform: translateY(-8px);
}

.mision-card:hover {
    box-shadow: 0 20px 40px rgba(0, 96, 168, 0.25);
    border-color: rgba(0, 168, 232, 0.3);
}

.vision-card:hover {
    box-shadow: 0 20px 40px rgba(0, 168, 232, 0.25);
    border-color: rgba(255, 255, 255, 0.3);
}

.mv-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.mv-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 10px;
    font-size: 1.35rem;
    color: var(--color-white);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.mision-card .mv-icon {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(0, 168, 232, 0.25);
}

.vision-card .mv-icon {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.mv-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0;
    font-family: var(--font-title);
}

.mv-body {
    position: relative;
    z-index: 2;
}

.mv-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 0;
}


/* Imagen y badge de sobre nosotros */
.about-visual {
    position: relative;
}

.about-img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-premium);
    background-color: var(--color-white);
}

.about-overlay-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 24px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    max-width: 250px;
}

.overlay-number {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--color-accent);
}

.overlay-text {
    font-size: 0.85rem;
    font-weight: 500;
}

/* Grilla de Valores */
.valores-container {
    margin-top: 80px;
}

.valores-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.valor-card {
    padding: 28px 24px;
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

.valor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 96, 168, 0.3);
}

.valor-icon {
    font-size: 2rem;
    color: var(--color-secondary);
    margin-bottom: 16px;
}

.valor-card h4 {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.valor-card p {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 0;
}

/* ==========================================================================
   9. SECCION ALIANZA ULATF
   ========================================================================== */
.ulatf-section {
    background-color: var(--color-primary);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.ulatf-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 96, 168, 0.15) 0%, transparent 70%);
    z-index: 1;
}

.ulatf-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.ulatf-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ulatf-logo-img {
    max-width: 420px;
    width: 100%;
    border-radius: var(--border-radius-round);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
    border: 5px solid var(--color-secondary);
    transition: var(--transition-normal);
}

.ulatf-logo-img:hover {
    transform: scale(1.03) rotate(1deg);
    box-shadow: 0 30px 60px rgba(0, 96, 168, 0.25);
    border-color: var(--color-accent);
}

.ulatf-info {
    display: flex;
    flex-direction: column;
}

.ulatf-info .section-title {
    color: var(--color-white);
}

.ulatf-info p {
    color: rgba(255, 255, 255, 0.8);
}

.ulatf-features {
    margin-top: 25px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.ulatf-features li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.9);
}

.ulatf-features li i {
    color: var(--color-accent);
    font-size: 1.25rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.feature-text {
    line-height: 1.5;
}

.feature-text strong {
    color: var(--color-white);
    font-weight: 700;
}

/* ==========================================================================
   10. SECCION SERVICIOS & BENEFICIOS
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.service-card {
    padding: 35px 30px;
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-tech);
    transition: var(--transition-normal);
    transform: scaleX(0);
    transform-origin: left;
    z-index: 2;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
    border-color: transparent;
}

.service-card:hover::after {
    transform: scaleX(1);
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: rgba(0, 96, 168, 0.08);
    border-radius: 12px;
    color: var(--color-secondary);
    font-size: 1.7rem;
    margin-bottom: 22px;
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.service-card h3 {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 0;
}

.services-cta {
    margin-top: 60px;
    padding: 40px;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.services-cta-text {
    font-family: var(--font-title);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 25px;
}

/* ==========================================================================
   11. COMPROMISO BANNER (INTERMEDIO)
   ========================================================================== */
.compromiso-banner {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(0, 28, 73, 0.95) 0%, rgba(11, 19, 43, 0.98) 100%), url('/preview/sitraf/preview/sitraf/images/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--color-white);
    text-align: center;
    overflow: hidden;
}

.compromiso-banner h3 {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 25px;
}

.compromiso-banner p {
    font-family: var(--font-title);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    line-height: 1.4;
    color: var(--color-white);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    font-style: italic;
    font-weight: 400;
    margin-bottom: 35px;
}

.compromiso-logo {
    display: flex;
    justify-content: center;
}

.compromiso-logo-img {
    height: 80px;
    width: 80px;
    border-radius: var(--border-radius-round);
    border: 3px solid var(--color-accent);
    background-color: var(--color-white);
    padding: 2px;
}

/* ==========================================================================
   12. FAQ (ACORDEON INTERACTIVO)
   ========================================================================== */
.faq-container {
    max-width: 800px;
}

.faq-accordion {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item:hover {
    border-color: rgba(0, 96, 168, 0.4);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 20px 24px;
    background: transparent;
    border: none;
    text-align: left;
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-primary);
    cursor: pointer;
}

.faq-icon-arrow {
    font-size: 0.95rem;
    color: var(--color-secondary);
    transition: var(--transition-normal);
}

/* Active FAQ item styling */
.faq-item.active {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-md);
}

.faq-item.active .faq-question {
    color: var(--color-secondary);
}

.faq-item.active .faq-icon-arrow {
    transform: rotate(180deg);
}

/* Animación de apertura */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer-inner {
    padding: 0 24px 20px 24px;
    border-top: 1px solid transparent;
}

.faq-answer p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* ==========================================================================
   13. CONTACTO, FORMULARIO Y VALIDACIÓN
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 50px;
    align-items: flex-start;
}

.contact-lead-text {
    font-size: 1.05rem;
    margin-bottom: 35px;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.contact-detail-item {
    display: flex;
    gap: 20px;
}

.detail-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    color: var(--color-secondary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.detail-text h4 {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.detail-text p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Redes Sociales en Contacto */
.social-panel h4 {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.social-links-grid {
    display: flex;
    gap: 12px;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-primary);
    font-size: 1.15rem;
    transition: var(--transition-normal);
}

.social-btn:hover {
    color: var(--color-white);
    transform: translateY(-3px);
    border-color: transparent;
}

.social-btn.linkedin:hover {
    background-color: #0077B5;
}

.social-btn.twitter:hover {
    background-color: #1DA1F2;
}

.social-btn.instagram:hover {
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%,#d6249f 60%,#285AEB 90%);
}

/* Formulario */
.contact-form-panel {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-premium);
    border: 1px solid var(--color-border);
}

.form-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 25px;
}

.form-group-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 18px;
}

.form-field {
    display: flex;
    flex-direction: column;
    margin-bottom: 18px;
}

.form-field label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.form-field input, .form-field textarea {
    padding: 12px 16px;
    border: 1px solid #CBD5E1;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-dark);
    background-color: var(--color-white);
    transition: var(--transition-fast);
    outline: none;
}

.form-field input:focus, .form-field textarea:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(0, 96, 168, 0.15);
}

/* Checkbox campo */
.form-checkbox-field {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 22px;
    position: relative;
}

.form-checkbox-field input[type="checkbox"] {
    margin-top: 5px;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.form-checkbox-field label {
    font-size: 0.82rem;
    color: var(--color-gray);
    cursor: pointer;
    line-height: 1.4;
}

/* Validaciones y Errores */
.error-msg {
    display: none;
    font-size: 0.78rem;
    color: var(--color-danger);
    font-weight: 500;
    margin-top: 6px;
}

.form-field.error input, .form-field.error textarea {
    border-color: var(--color-danger);
    background-color: rgba(239, 68, 68, 0.02);
}

.form-field.error .error-msg {
    display: block;
}

.form-checkbox-field.error label {
    color: var(--color-danger);
}

.form-checkbox-field.error .error-msg {
    display: block;
    position: absolute;
    bottom: -18px;
    left: 0;
}

/* Alertas de Feedback */
.form-feedback-alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 25px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.success-alert {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #065F46;
}

.success-alert i {
    color: var(--color-success);
    font-size: 1.15rem;
    margin-top: 1px;
}

.error-alert {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #991B1B;
}

.error-alert i {
    color: var(--color-danger);
    font-size: 1.15rem;
    margin-top: 1px;
}

/* Spinner estado cargando */
.btn-spinner {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ==========================================================================
   14. FOOTER
   ========================================================================== */
.main-footer {
    background-color: #0A0F1E;
    color: rgba(255, 255, 255, 0.7);
    padding-top: 80px;
    padding-bottom: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 1fr 0.9fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo-link {
    margin-bottom: 20px;
}

.footer-logo-img {
    height: 48px;
    width: 48px;
    border-radius: var(--border-radius-round);
    border: 2px solid var(--color-accent);
}

.footer-logo-title {
    font-family: var(--font-title);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.footer-brand-desc {
    font-size: 0.88rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 20px;
}

.footer-motto {
    font-family: var(--font-title);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links-column h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: 22px;
}

.footer-links-column ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-column ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.footer-links-column ul li i {
    color: var(--color-accent);
    font-size: 0.85rem;
}

.footer-links-column ul li a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links-column ul li a:hover {
    color: var(--color-accent);
    transform: translateX(3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   15. MODALES (PRIVACIDAD & TERMINOS)
   ========================================================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 19, 43, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-dialog {
    background-color: var(--color-white);
    width: 100%;
    max-width: 600px;
    margin: 20px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.modal.active .modal-dialog {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 30px;
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-light);
}

.modal-header h3 {
    font-size: 1.35rem;
    color: var(--color-primary);
}

.modal-close {
    font-size: 1.8rem;
    background: transparent;
    border: none;
    color: var(--color-gray);
    cursor: pointer;
    line-height: 1;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-dark);
}

.modal-body {
    padding: 30px;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-body p {
    font-size: 0.95rem;
    color: var(--color-dark);
}

.modal-body ul {
    list-style-type: disc;
    padding-left: 20px;
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.modal-body ul li {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    padding: 20px 30px;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-light);
}

.modal-close-btn {
    padding: 8px 20px;
    font-size: 0.9rem;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

/* ==========================================================================
   16. FLOATING WHATSAPP BUTTON
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--color-white);
    border-radius: var(--border-radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
    position: absolute;
    right: 80px;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    right: 75px;
}

/* ==========================================================================
   17. MEDIA QUERIES (DISEÑO RESPONSIVO)
   ========================================================================== */

/* Pantallas medianas y Tablets (1024px o menos) */
@media (max-width: 1024px) {
    .container {
        padding-left: 24px;
        padding-right: 24px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        height: 420px;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .floating-card {
        width: 170px;
        height: 170px;
        padding: 16px;
    }
    
    .floating-card .card-header-icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }

    .floating-card .card-details h3 {
        font-size: 1rem;
    }

    .floating-card .card-details p {
        font-size: 0.72rem;
    }
    
    .fintech-card { top: 5%; left: 2%; }
    .blockchain-card { top: 38%; right: 2%; }
    .ai-card { bottom: 5%; left: 8%; }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .about-visual {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .mision-vision-row {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
        margin-bottom: 30px;
    }
    
    .valores-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ulatf-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .ulatf-logo-img {
        max-width: 260px;
    }
    
    .ulatf-info {
        align-items: center;
    }
    
    .ulatf-info .section-title {
        text-align: center;
    }
    
    .ulatf-features {
        align-items: flex-start;
        text-align: left;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

/* Pantallas móviles (768px o menos) */
@media (max-width: 768px) {
    .section-spacing {
        padding-top: 60px;
        padding-bottom: 60px;
    }
    
    /* Navbar móvil Hamburguesa */
    .mobile-menu-btn {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-white);
        border-top: 1px solid var(--color-border);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
        padding: 40px 24px;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-20px);
        transition: var(--transition-normal);
        overflow-y: auto;
    }
    
    .main-nav.active {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }
    
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .nav-link {
        font-size: 1.15rem;
        padding: 12px 20px;
        border-radius: var(--border-radius-md);
        text-align: center;
    }
    
    .nav-cta-item {
        margin-top: 20px;
    }
    
    .nav-cta-btn {
        display: flex;
        padding: 14px;
        font-size: 1.05rem;
        text-align: center;
        border-radius: var(--border-radius-md);
    }
    
    /* Toggle animation */
    .mobile-menu-btn.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-btn.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    /* Hero compact */
    .hero {
        padding-top: calc(var(--header-height) + 20px);
        padding-bottom: 80px;
        min-height: auto;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .hero-visual {
        display: none; /* Hide complex floating cards in mobile for better experience and load */
    }
    
    /* Ecosystem cards column in mobile */
    .ecosystem-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .eco-item {
        width: 100%;
        padding: 24px;
        min-width: auto;
    }
    
    .eco-icon {
        font-size: 1.8rem;
        width: 48px;
        height: 48px;
        margin-bottom: 15px;
    }
    
    .eco-item h4 {
        font-size: 1.15rem;
    }

    .eco-item p {
        font-size: 0.82rem;
    }
    
    /* About Us margins in mobile */
    .about-overlay-card {
        position: relative;
        bottom: auto;
        left: auto;
        max-width: 100%;
        margin-top: 20px;
        text-align: center;
    }
    
    .valores-grid {
        grid-template-columns: 1fr;
    }

    .mv-card {
        padding: 24px;
    }
    
    /* Services grid to 1 col in mobile */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .service-card {
        padding: 24px;
    }
    
    .services-cta {
        padding: 24px;
        margin-top: 30px;
    }
    
    /* Form elements col in mobile */
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-form-panel {
        padding: 24px;
    }
    
    /* Footer column */
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.8rem;
    }
}