/* ==========================================================================
   1. VARIABLES DE DISEÑO & PALETA CORPORATIVA MEJORADA (PSICOLOGÍA FINTECH)
   ========================================================================== */
:root {
    --bg-dark: #ffffff;        
    --bg-card: #f8fafc;        
    --primary: #0f172a;       /* Azul marino noche profundo (transmite solidez) */
    --primary-glow: rgba(30, 58, 138, 0.08);
    --accent-blue: #1d4ed8;    /* Azul cobalto de alto contraste (confianza) */
    --accent-green: #10b981;   /* Verde esmeralda institucional / WhatsApp de alta conversión */
    --accent-green-hover: #059669;
    --text-main: #0f172a;      
    --text-muted: #475569;      
    --border-color: #cbd5e1;    
    --radius: 16px;            
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   2. REINICIO GENERAL, SCROLL & TIPOGRAFÍA
   ========================================================================== */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px; 
    background-color: #0f172a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

input:focus, 
select:focus, 
button:focus, 
textarea:focus,
.custom-dropdown:focus,
*:focus-visible {
    outline: none !important;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.header-container, .section-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* ==========================================================================
   3. ENCABEZADO (SITE HEADER ENFOCADO EN MÓVIL Y AUTORIDAD)
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 16px 0; 
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.25);
    background-image: linear-gradient(rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.92)), 
                      url('img/encabezado.jpg');
    background-size: cover;
    background-position: center center; 
    backdrop-filter: blur(8px);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-identity {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.2;
}

.brand-text-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.text-dark-main {
    color: #ffffff !important;
}

.text-green-accent {
    color: #34d399; /* Tono optimizado para máxima legibilidad sobre fondo oscuro */
    font-weight: 900;
}

.brand-sub-row {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-top: 3px;
    color: #94a3b8;
}

.text-red-sub {
    color: #f87171; 
}

.text-muted-divider {
    color: #475569;
    margin: 0 3px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-nav {
    display: flex;
    gap: 8px;
}

.btn-nav-link {
    background: rgba(255, 255, 255, 0.08);
    color: #f1f5f9;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.btn-nav-link:hover {
    color: #ffffff;
    border-color: #3b82f6;
    background: #2563eb;
    box-shadow: 0 0 12px rgba(37, 99, 235, 0.4);
}

.header-badge {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* ==========================================================================
   4. SECCIÓN HERO
   ========================================================================== */
.hero-section {
    position: relative;
    padding: 40px 0;
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    background-color: #ffffff; 
}

.glow-bg-dynamic {
    display: block; 
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1; 
    background-image: url('img/lalo-hernandez-jCYpHYIgXE4-unsplash.jpg'); 
    background-size: cover;
    background-position: center 35%; 
    background-repeat: no-repeat;
    pointer-events: none;
}

.glow-bg-dynamic::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0.98) 0%, 
        rgba(255, 255, 255, 0.94) 50%, 
        rgba(255, 255, 255, 0.88) 100%
    );
    pointer-events: none;
}

.hero-container-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    gap: 40px;
    position: relative;
    z-index: 2; 
    box-sizing: border-box;
}

.hero-content {
    flex: 1.1;
}

.calc-wrapper {
    flex: 0.9;
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
}

.crypto-tag {
    background: rgba(37, 99, 235, 0.08);
    color: var(--accent-blue);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 16px;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.hero-content h1 {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -1px;
    color: #0f172a; 
}

.hero-content h1 .accent-blue {
    color: var(--accent-blue);
}

.hero-content p {
    color: #334155; 
    font-size: 1.05rem;
    margin-bottom: 24px;
}

.sla-badge {
    background: rgba(255, 255, 255, 0.95); 
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: var(--radius);
    display: flex;
    gap: 14px;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.sla-icon {
    font-size: 1.4rem;
}

.sla-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.sla-text strong {
    color: var(--text-main);
    display: block;
    margin-bottom: 2px;
}

/* ==========================================================================
   5. CALCULADORA INTERACTIVA (MÁXIMA CONVERSIÓN Y CLARIDAD)
   ========================================================================== */
.calc {
    background: #ffffff; 
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.10);
    position: relative;
    width: 100%;
}

.calc h2 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #0f172a;
}

.box {
    background: #f8fafc;
    border: 1.5px solid #cbd5e1;
    border-radius: 12px;
    padding: 10px 14px;
    margin-bottom: 14px;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

/* Manejo seguro de capas cuando el dropdown está activo (Sincronizado con JS) */
.box.dropdown-open {
    z-index: 100;
}

.box:focus-within {
    border-color: var(--accent-blue);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.box label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #64748b;
    margin-bottom: 2px;
    font-weight: 800;
}

.box select, .box input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.15rem;
    font-weight: 700;
    outline: none;
    padding: 2px 0; 
}

#tasa-actual {
    font-size: 0.85rem;
    color: #475569;
    text-align: center;
    margin: 14px 0 6px 0;
    font-weight: 700;
}

#resultado-final {
    font-size: 2.25rem;
    font-weight: 900;
    color: #1e3a8a;
    text-align: center;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.security-checkbox {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 20px;
    background: #f8fafc;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
}

.security-checkbox input {
    margin-top: 3px;
    cursor: pointer;
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue);
}

.security-checkbox label {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.35;
    cursor: pointer;
    font-weight: 500;
}

.action-button-fintech {
    width: 100%;
    background: #25d366;
    color: #ffffff;
    border: none;
    padding: 16px;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
    transition: var(--transition);
}

.action-button-fintech:hover {
    background: #1eb954;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(37, 211, 102, 0.45);
}

/* ==========================================================================
   6. PANEL ADMINISTRATIVO PRIVADO
   ========================================================================== */
.panel-admin {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    padding: 20px;
    border-radius: var(--radius);
    color: #166534;
    width: 100%;
}

.panel-admin h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    font-weight: 800;
}

.check-box-admin {
    margin-bottom: 12px;
    font-size: 0.85rem;
}

.grupo-admin {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    background: #ffffff;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid #dcfce7;
}

.grupo-admin label {
    font-size: 0.8rem;
    font-weight: 700;
}

.grupo-admin input {
    background: #ffffff;
    border: 1px solid #86efac;
    color: #166534;
    padding: 4px 8px;
    border-radius: 6px;
    width: 90px;
    text-align: right;
    font-weight: 700;
}

.btn-admin {
    width: 100%;
    background: #15803d;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 8px;
    transition: var(--transition);
}

.btn-admin:hover {
    background: #166534;
}

/* ==========================================================================
   7. SECCIÓN DE CUMPLIMIENTO Y SEGURIDAD
   ========================================================================== */
.compliance-security-section {
    padding: 60px 0;
    background: #ffffff;
    border-top: 1px solid var(--border-color);
}

.compliance-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
}

.compliance-header h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.compliance-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.compliance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.compliance-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

.compliance-card:hover {
    border-color: #10b981; 
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

.compliance-status {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 800;
    color: #059669;
    background: #d1fae5;
    padding: 4px 10px;
    border-radius: 6px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.compliance-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.compliance-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   8. SECCIÓN DE COBERTURA (PAÍSES)
   ========================================================================== */
.coverage-section {
    padding: 60px 0;
    background: #f8fafc;
    border-top: 1px solid var(--border-color);
}

.section-center-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 40px auto;
}

.section-center-header h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.section-center-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.coverage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.coverage-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
}

.coverage-card:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

.card-image-wrapper {
    width: 100%;
    height: 120px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 16px;
}

.country-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.coverage-card:hover .country-card-img {
    transform: scale(1.03);
}

.card-top-flex {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.card-title-group h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
}

.meta-coin {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.card-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   9. SECCIÓN DE MÉTODOS DE PAGO
   ========================================================================== */
.payment-methods-section {
    padding: 60px 0;
    background: #ffffff;
    border-top: 1px solid var(--border-color);
}

.payment-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px auto;
}

.payment-header h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 12px;
}

.payment-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.payment-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

.payment-card:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

.payment-card h5 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
}

.payment-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.payment-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.payment-tags span {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-blue);
    background: rgba(37, 99, 235, 0.08);
    padding: 4px 10px;
    border-radius: 6px;
}

/* ==========================================================================
   10. PIE DE PÁGINA & ANIMACIONES
   ========================================================================== */
.site-footer {
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    background: #ffffff;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.item-reveal {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.item-reveal:nth-child(1) { animation-delay: 0.1s; }
.item-reveal:nth-child(2) { animation-delay: 0.2s; }
.item-reveal:nth-child(3) { animation-delay: 0.3s; }

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

/* ==========================================================================
   11. DISEÑO RESPONSIVO OPTIMIZADO PARA MÓVILES
   ========================================================================== */
@media (max-width: 968px) {
    .site-header {
        padding: 10px 0;
    }

    .header-container {
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 0 16px !important;
        flex-wrap: wrap;
    }

    .brand-text-row {
        font-size: 1.1rem;
    }

    .brand-sub-row {
        font-size: 0.65rem;
        letter-spacing: 0.5px;
    }

    .header-nav {
        display: none; 
    }

    .header-badge {
        padding: 3px 8px;
        font-size: 0.65rem;
    }

    .hero-section {
        padding: 16px 0 32px 0;
    }

    .hero-container-flex {
        flex-direction: column !important;
        align-items: stretch !important;
        padding: 0 16px !important;
        gap: 24px;
    }

    .hero-content {
        width: 100%;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 1.8rem !important; 
        margin-bottom: 10px;
    }

    .hero-content p {
        font-size: 0.92rem;
        margin-bottom: 16px;
    }

    .crypto-tag {
        margin-bottom: 12px;
        font-size: 0.75rem;
    }

    .calc {
        padding: 18px 14px; 
    }

    .calc h2 {
        font-size: 1.15rem;
        justify-content: center;
    }

    #resultado-final {
        font-size: 1.9rem;
    }

    .action-button-fintech {
        padding: 14px;
        font-size: 1rem;
    }

    .compliance-security-section,
    .coverage-section,
    .payment-methods-section {
        padding: 40px 0;
    }
}

/* ==========================================================================
   12. DROPDOWNS PERSONALIZADOS (BANDERAS Y SELECCIÓN) - OPTIMIZADOS
   ========================================================================== */
.custom-dropdown {
    position: relative;
    width: 100%;
    user-select: none;
}

.dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    cursor: pointer;
    width: 100%;
}

.dropdown-trigger .arrow {
    margin-left: auto;
    font-size: 0.7rem;
    color: #64748b;
    transition: var(--transition);
}

.custom-dropdown.active .dropdown-trigger .arrow {
    transform: rotate(180deg);
    color: var(--accent-blue);
}

.dropdown-options {
    position: absolute;
    top: calc(100% + 8px);
    left: 0; 
    width: 100%;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.15);
    list-style: none;
    z-index: 99999; 
    padding: 6px;
    display: none; 
    max-height: 220px;
    overflow-y: auto;
}

.custom-dropdown.active .dropdown-options {
    display: block;
}

.dropdown-options li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.dropdown-options li:hover {
    background: #f1f5f9;
    color: var(--accent-blue);
}

.flag-icon {
    width: 22px;
    height: 15px;
    min-width: 22px;
    min-height: 15px;
    object-fit: cover;
    border-radius: 3px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
    display: inline-block;
}