/* TrustCoin Foundation - Main Styles */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-secondary: #64748b;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-border: #e2e8f0;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Consolas, 'Liberation Mono', monospace;
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: color 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-primary);
}

/* Hero */
.hero {
    text-align: center;
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.tagline {
    font-size: 1.25rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

/* Features */
.features {
    padding: 4rem 0;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
}

/* Content */
.content {
    padding: 3rem 0;
}

.content h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.content h2 {
    font-size: 1.75rem;
    margin: 2rem 0 1rem;
}

.content h3 {
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem;
}

.content p {
    margin-bottom: 1rem;
}

.content ul, .content ol {
    margin: 1rem 0 1rem 2rem;
}

.content li {
    margin-bottom: 0.5rem;
}

.content code {
    background: var(--color-bg-alt);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.content pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.content pre code {
    background: none;
    padding: 0;
}

.content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.content th, .content td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.content th {
    background: var(--color-bg-alt);
    font-weight: 600;
}

/* Page list */
.page-list {
    list-style: none;
    margin: 2rem 0;
    padding: 0;
}

.page-list li {
    margin-bottom: 0.75rem;
}

.page-list a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.page-list a:hover {
    text-decoration: underline;
}

/* Footer */
.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--color-text);
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: var(--color-text-light);
    text-decoration: none;
}

.footer-section a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .main-nav {
        gap: 1rem;
    }
}