/* Trustworthy Agents - Custom Styles */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #1e3a5f;
    --accent-color: #f59e0b;
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --bg-light: #f9fafb;
}

/* Typography */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 700;
}

/* Brand */
.brand-trustworthy {
    color: var(--secondary-color);
}

.brand-agents {
    color: var(--primary-color);
}

/* Navbar */
.navbar {
    padding: 0.75rem 0;
}

.navbar-brand {
    font-size: 1.35rem;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    color: var(--text-color) !important;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
    min-height: 85vh;
}

.min-vh-75 {
    min-height: 75vh;
}

/* Cards */
.card {
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1) !important;
}

/* Buttons */
.btn {
    font-weight: 600;
    border-radius: 8px;
    padding: 0.625rem 1.25rem;
    transition: all 0.2s ease;
}

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

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

.btn-warning {
    color: #1f2937;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1.1rem;
}

/* Feature Icons */
.feature-icon {
    font-size: 1.5rem;
}

/* Footer */
footer {
    background: linear-gradient(180deg, #1f2937 0%, #111827 100%);
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #fff;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Section Spacing */
section {
    scroll-margin-top: 80px;
}

/* Responsive */
@media (max-width: 991.98px) {
    .hero-section {
        min-height: auto;
    }

    .min-vh-75 {
        min-height: auto;
    }

    .display-3 {
        font-size: 2.5rem;
    }

    .display-5 {
        font-size: 1.75rem;
    }
}

@media (max-width: 575.98px) {
    .navbar-brand {
        font-size: 1.1rem;
    }

    .btn-lg {
        padding: 0.75rem 1.25rem;
        font-size: 1rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Form Styles */
.form-control, .form-select {
    border-radius: 8px;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Survey/Form Specific */
.survey-page {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.survey-field {
    margin-bottom: 1.5rem;
}

.survey-field label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

.survey-field .required::after {
    content: ' *';
    color: #dc2626;
}

/* Progress Bar */
.survey-progress {
    height: 6px;
    background: #e5e7eb;
    border-radius: 3px;
    overflow: hidden;
}

.survey-progress-bar {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

/* Accessibility - Skip to Content Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
    color: white;
    text-decoration: none;
}