/* SignalDeck AI - Public Styles */

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
}

/* Typography */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: #1e293b;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--dark-color) 0%, #334155 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-brand .brand-icon {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-color) 0%, #1e3a5f 100%);
    color: white;
    padding: 100px 0;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

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

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

/* Feature Cards */
.feature-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Pricing Cards */
.pricing-card {
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 800;
}

.pricing-card .price-period {
    color: #64748b;
    font-size: 1rem;
    font-weight: 400;
}

/* Footer */
footer {
    background: var(--dark-color);
    color: #94a3b8;
}

footer a {
    color: #94a3b8;
    text-decoration: none;
}

footer a:hover {
    color: white;
}

/* Forms */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 8px;
}

/* Code blocks */
pre {
    background: #1e293b;
    color: #e2e8f0;
    border-radius: 8px;
    padding: 1.5rem;
    overflow-x: auto;
}

code {
    background: #f1f5f9;
    color: #e11d48;
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.875em;
}

/* Utilities */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

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

.animate-fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Contact Form */
.contact-form .form-control {
    padding: 0.75rem 1rem;
}

.contact-form textarea {
    min-height: 150px;
}

/* Documentation */
.docs-sidebar {
    position: sticky;
    top: 100px;
}

.docs-nav .nav-link {
    color: #64748b;
    padding: 0.5rem 1rem;
    border-left: 2px solid transparent;
}

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

.docs-nav .nav-link.active {
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

/* Table of Contents */
.toc {
    background: #f8fafc;
    border-radius: 8px;
    padding: 1rem;
}

.toc-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.toc-list li {
    padding: 0.25rem 0;
}

.toc-list a {
    color: #64748b;
    text-decoration: none;
}

.toc-list a:hover {
    color: var(--primary-color);
}