/* ==========================================
   VARIABLES Y ESTILOS BASE (PALETA BLANCA / ELEGANTE)
   ========================================== */
:root {
    --bg-white: #ffffff;
    --bg-surface: #f8fafc;
    --bg-subtle: #f1f5f9;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    --accent-blue: #0284c7;
    --accent-blue-hover: #0369a1;
    --border-light: #e2e8f0;
    --border-strong: #cbd5e1;
    
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-white);
    color: var(--text-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

.highlight {
    color: var(--accent-blue);
}

/* ==========================================
   COMPONENTES Y BOTONES
   ========================================== */
.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-white);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 1px solid var(--text-primary);
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.btn-small {
    padding: 8px 18px;
    font-size: 0.88rem;
}

.btn-large {
    padding: 14px 28px;
    font-size: 0.98rem;
}

.btn-full {
    width: 100%;
    padding: 14px;
}

.badge {
    display: inline-block;
    background-color: var(--bg-subtle);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

/* ==========================================
   BARRA DE NAVEGACIÓN
   ========================================== */
.navbar {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    padding: 18px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent-blue);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-blue);
}

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

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
    background-color: var(--bg-white);
    padding: 80px 0 100px 0;
    border-bottom: 1px solid var(--border-light);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
}

.hero-title {
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
    margin-bottom: 20px;
    letter-spacing: -0.8px;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.hero-subtext {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Tarjeta de Control Tecnológico */
.ui-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    padding: 32px;
    box-shadow: var(--shadow-lg);
}

.ui-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.ui-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    font-weight: 600;
}

.ui-card-title {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-top: 4px;
    font-weight: 600;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: #ecfdf5;
    border: 1px solid #a7f3d0;
    padding: 4px 10px;
    border-radius: 20px;
}

.status-indicator .dot {
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
}

.status-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: #047857;
}

.ui-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.stat-box {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 16px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 4px;
}

.text-accent {
    color: var(--accent-blue);
}

.ui-pro-tip {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 14px 18px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================
   SECCIONES GENERALES & GRIDS
   ========================================== */
.services-section, .tech-section {
    padding: 90px 0;
}

.services-section {
    background-color: var(--bg-surface);
}

.tech-section {
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.container-block {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.block-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 56px auto;
}

.section-title {
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.02rem;
    color: var(--text-secondary);
}

.grid-layout {
    display: grid;
    gap: 28px;
}

.grid-2-cols {
    grid-template-columns: repeat(2, 1fr);
}

/* Tarjetas */
.card-item {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 32px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}

.card-item:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-badge-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent-blue);
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.card-item h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 600;
}

.card-item p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.card-item ul {
    list-style: none;
    margin-bottom: 24px;
}

.card-item ul li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.list-bullet {
    color: var(--accent-blue);
    font-weight: bold;
}

.card-link {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.card-link:hover {
    color: var(--accent-blue);
}

/* ==========================================
   TABLA COMPARATIVA DE COSTOS
   ========================================== */
.pricing-comparison {
    padding: 90px 0;
    background-color: var(--bg-surface);
}

.container-pricing {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 48px;
}

.table-responsive {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.comparison-table th {
    padding: 18px 24px;
    text-align: left;
    font-size: 0.9rem;
    font-weight: 600;
    background-color: var(--bg-subtle);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-strong);
}

.comparison-table th.voxen-column-header {
    background-color: #f0f9ff;
    color: var(--accent-blue);
}

.comparison-table td {
    padding: 18px 24px;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--border-light);
}

.comparison-table td.voxen-cell {
    background-color: #fafafa;
    font-weight: 600;
    color: var(--text-primary);
}

.pricing-footer-note {
    margin-top: 24px;
    text-align: center;
    font-size: 0.9rem;
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    padding: 18px;
    border-radius: 8px;
    color: var(--text-secondary);
}

/* ==========================================
   SECCIÓN DE CONTACTO
   ========================================== */
.contact-section {
    background-color: var(--bg-white);
    color: var(--text-primary);
    padding: 90px 0;
    border-top: 1px solid var(--border-light);
}

.container-contact {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-title {
    font-size: 2.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.contact-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 32px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-item {
    font-size: 0.92rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.bullet-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    flex-shrink: 0;
}

.contact-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    padding: 36px;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    font-family: var(--font-family);
    font-size: 0.92rem;
    background-color: var(--bg-white);
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.12);
}

/* ==========================================
   DISEÑO ADAPTATIVO (RESPONSIVE)
   ========================================== */
@media (max-width: 992px) {
    .hero-container, .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .grid-2-cols {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.1rem;
    }
}