:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #0b1120;
    --accent: #0ea5e9;
    --accent-hover: #0284c7;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    
    --success: #10b981;
    --warning: #f59e0b;
    
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden; /* Hide body scroll */
}

/* App Skeleton Layout */
.app-wrapper {
    display: flex;
    flex-direction: column; /* Stack top nav and main content vertically */
    height: 100vh;
    width: 100vw;
}

/* Top Navigation */
.top-nav {
    height: 70px;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    flex-shrink: 0;
}

.top-nav-brand {
    display: flex;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-primary);
}

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

.top-nav-links {
    display: flex;
    flex: 1;
    justify-content: center;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 1rem;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-main);
    cursor: pointer;
    transition: var(--transition);
}

.nav-btn:hover {
    background-color: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

.nav-btn.active {
    background-color: rgba(14, 165, 233, 0.15);
    color: var(--accent);
}

/* Main Content Area */
.main-content {
    flex: 1;
    background-color: var(--bg-tertiary);
    overflow-y: auto;
    padding-top: 2rem;
    padding-bottom: 2rem;
}

/* Tab Logic */
.tab-pane {
    display: none;
    padding: 0 2rem;
    max-width: 1100px;
    margin: 0 auto;
    animation: fadeIn 0.4s ease forwards;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Shared UI Components */
.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid rgba(51, 65, 85, 0.5);
    padding-bottom: 1rem;
}

.view-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
}

/* Typography & Utilities */
.highlight { color: var(--accent); }

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent);
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
}
.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4);
}

/* View: Hero / Dashboard Panel */
.hero-split {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--accent);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Enhanced Simulator UI */
.interactive-box {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.demo-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    font-weight: 600;
}

.btn-clear {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}
.btn-clear:hover {
    color: #ef4444;
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.demo-chat-inline {
    background: #070b14;
    border-radius: 6px;
    padding: 1rem;
    height: 250px; /* Taller for more elaborate responses */
    overflow-y: auto;
    margin-bottom: 1rem;
    border: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    scroll-behavior: smooth;
}

.msg {
    padding: 0.8rem 1rem;
    border-radius: 8px;
    max-width: 90%;
    animation: msgFadeIn 0.3s ease;
}

@keyframes msgFadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.msg.zamj {
    background-color: rgba(14, 165, 233, 0.1);
    border-left: 3px solid var(--accent);
    align-self: flex-start;
}

.msg.user {
    background-color: var(--border-color);
    align-self: flex-end;
    color: #fff;
}

.demo-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-demo {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.btn-demo:hover {
    border-color: var(--accent);
    background-color: rgba(14, 165, 233, 0.05);
    color: var(--accent);
}

/* Image Card Styling */
.image-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

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

.img-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(15,23,42,0.9));
    color: #fff;
    padding: 1.5rem 1rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
}

/* View: Contexto */
.split-view {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.card {
    background-color: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    flex: 1;
}

.card h3 { font-size: 1.3rem; margin-bottom: 1rem; }
.card p { color: var(--text-secondary); font-size: 1rem; }

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
}

.warning-icon { background-color: rgba(245, 158, 11, 0.1); color: var(--warning); }
.success-icon { background-color: rgba(16, 185, 129, 0.1); color: var(--success); }

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

/* View: Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background-color: rgba(30, 41, 59, 0.4);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
    transition: var(--transition);
}

.feature-card:hover {
    background-color: var(--bg-secondary);
    border-color: var(--accent);
    transform: translateY(-5px);
}

.feature-icon {
    color: var(--accent);
    margin-bottom: 1.2rem;
}

/* View: Impact */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.metric-item {
    text-align: center;
    padding: 2rem;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.highlight-metric {
    border-color: rgba(14, 165, 233, 0.4);
    background: linear-gradient(45deg, rgba(30,41,59,1) 0%, rgba(14,165,233,0.1) 100%);
}
.highlight-metric .metric-value { color: var(--accent); }

/* Form View */
.form-wrapper {
    background-color: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    max-width: 800px;
}

.form-wrapper p { margin-bottom: 2rem; color: var(--text-secondary); }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--success); /* Green for whatsapp focus */
}

/* View: Nuestra Empresa */
.company-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.company-block {
    background-color: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.company-block h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.company-block p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.solutions-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.solution-item {
    background: rgba(255,255,255,0.03);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
    color: var(--text-secondary);
}

.solution-item strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.3rem;
}

/* Responsiveness */
@media (max-width: 900px) {
    .top-nav { flex-direction: column; height: auto; padding: 1rem; gap: 1rem; }
    .top-nav-links { width: 100%; overflow-x: auto; padding-bottom: 0.5rem; }
    .nav-list { white-space: nowrap; }
    
    .hero-split, .split-view { grid-template-columns: 1fr; gap: 2rem; }
    .visual-separator { transform: rotate(90deg); }
    .features-grid, .form-row, .company-grid { grid-template-columns: 1fr; }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
}

/* Dashboard Report Elements styles for Simulator */
.chart-container {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 80px;
    margin: 10px 0;
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.chart-bar {
    flex: 1;
    background: var(--accent);
    border-radius: 4px 4px 0 0;
    position: relative;
    transition: height 1s ease-out;
}
.chart-bar:hover::after {
    content: attr(data-val);
    position: absolute;
    top: -25px; left: 50%;
    transform: translateX(-50%);
    background: #000; padding: 2px 6px; border-radius: 4px; font-size: 10px;
}
.data-grid {
    display: grid; grid-template-columns: 2fr 1fr; gap: 8px; font-size: 0.8rem;
    background: rgba(0,0,0,0.3); border-radius: 6px; padding: 10px;
}