/* Design System Color Tokens - Observatorio de Ciudades de Tarija */
:root {
    --oct-primary-blue: #336699;
    --oct-brand-purple: #CC3399;
    --oct-vibrant-orange: #FF6600;
    --oct-neutral-dark: #1a252f;
    --oct-text-body: #212529;
    --oct-text-muted: #495057;
    --oct-light-border: #cccccc;
    --oct-warm-dark: #663333;
    --oct-alert-red: #cc0000;
    --oct-success-green: #28a745;

    /* Theme Semantic Utilities */
    --oct-bg-body: #f4f6f8;
    --oct-bg-hero: #f0ecf4;
    --oct-card-bg: #ffffff;
    --oct-card-title-color: var(--oct-neutral-dark);
    --oct-card-border: var(--oct-light-border);
    --oct-tag-badge-bg: var(--oct-vibrant-orange);
    --oct-tag-badge-text: #ffffff;

    /* Accessibility Theme Colors */
    --oct-primary: #0d6efd;
    --oct-secondary: #495057;
    --oct-accent: #198754;
    --oct-dark: #212529;
}

body {
    color: var(--oct-text-body);
    background-color: var(--oct-bg-body);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* High-Contrast Button System Overrides (WCAG 2.1 AA Compliant) */
.btn-primary, .btn-secondary, .btn-danger, .btn-dark {
    color: #ffffff !important;
    font-weight: 600;
}

.btn-warning {
    background-color: var(--oct-vibrant-orange) !important;
    border-color: var(--oct-vibrant-orange) !important;
    color: #ffffff !important;
    font-weight: 700;
}

.btn-warning:hover {
    background-color: #d95300 !important;
    border-color: #d95300 !important;
    color: #ffffff !important;
}

.btn-info, .btn-light {
    color: var(--oct-neutral-dark) !important;
    font-weight: 700;
}

.btn-outline-primary {
    color: var(--oct-primary-blue) !important;
    border-color: var(--oct-primary-blue) !important;
    font-weight: 600;
}

.btn-outline-primary:hover {
    background-color: var(--oct-primary-blue) !important;
    color: #ffffff !important;
}

.btn-outline-warning {
    color: var(--oct-vibrant-orange) !important;
    border-color: var(--oct-vibrant-orange) !important;
    font-weight: 600;
}

.btn-outline-warning:hover {
    background-color: var(--oct-vibrant-orange) !important;
    color: #ffffff !important;
}

.btn-outline-success {
    color: var(--oct-success-green) !important;
    border-color: var(--oct-success-green) !important;
    font-weight: 600;
}

.btn-outline-success:hover {
    background-color: var(--oct-success-green) !important;
    color: #ffffff !important;
}

.oct-hero-section {
    background-color: var(--oct-bg-hero);
    background-image: linear-gradient(rgba(240, 236, 244, 0.88), rgba(240, 236, 244, 0.95)), url('../images/photo_road.jpg');
    background-size: cover;
    background-position: center;
    padding: 5rem 2rem;
    border-radius: 0 0 1.5rem 1.5rem;
    border-bottom: 3px solid var(--oct-brand-purple);
    box-shadow: 0 4px 20px rgba(204, 51, 153, 0.08);
}

.oct-hero-title {
    color: var(--oct-brand-purple) !important;
    font-weight: 800;
}

.oct-hero-subtitle {
    color: var(--oct-primary-blue) !important;
    font-weight: 600;
}

.oct-hero-accent {
    color: var(--oct-vibrant-orange) !important;
}

.card {
    border: 1px solid var(--oct-light-border);
    background-color: var(--oct-card-bg);
}

.card-title, h1, h2, h3, h4, h5, h6 {
    color: var(--oct-card-title-color);
    font-weight: 700;
}

.card-text, .text-muted {
    color: var(--oct-text-muted) !important;
    font-size: 0.95rem;
    line-height: 1.5;
}

.oct-tag-badge {
    background-color: var(--oct-vibrant-orange);
    color: var(--oct-tag-badge-text);
    padding: 0.4em 0.8em;
    font-size: 0.88rem;
    font-weight: 700;
    border-radius: 50rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s ease-in-out;
}

.oct-tag-badge:hover {
    background-color: #e05500;
    color: #ffffff;
    transform: translateY(-1px);
}

.oct-partner-logo {
    max-height: 75px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0px 2px 4px rgba(0,0,0,0.12));
    transition: transform 0.2s ease;
}

.oct-partner-logo:hover {
    transform: scale(1.05);
}

.oct-domain-card {
    border: 1px solid var(--oct-light-border);
    border-top: 4px solid var(--oct-brand-purple);
    transition: all 0.25s ease;
}

.oct-domain-card:hover {
    border-top-color: var(--oct-vibrant-orange);
    box-shadow: 0 8px 24px rgba(204, 51, 153, 0.15);
    transform: translateY(-3px);
}

.navbar-brand {
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.card-hover-effect {
    transition: transform 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.card-hover-effect:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1) !important;
}

/* Accessible focus states for keyboard navigation */
a:focus, button:focus, input:focus, select:focus {
    outline: 3px solid #ffc107 !important;
    outline-offset: 2px !important;
}

/* Design System Utilities */
.text-oct-primary-blue {
    color: var(--oct-primary-blue) !important;
}
.bg-oct-primary-blue {
    background-color: var(--oct-primary-blue) !important;
    border-color: var(--oct-primary-blue) !important;
}
.btn-oct-primary {
    background-color: var(--oct-primary-blue) !important;
    border-color: var(--oct-primary-blue) !important;
    color: #ffffff !important;
}
.btn-oct-primary:hover {
    background-color: #274e75 !important;
    border-color: #274e75 !important;
    color: #ffffff !important;
}