/* Blockuranus Go - Minimal Utility Node Style */

:root {
    --primary: #2c3e50;
    --secondary: #34495e;
    --accent: #e74c3c;
    --text-dark: #2c3e50;
    --text-body: #4a5568;
    --text-light: #718096;
    --bg-white: #ffffff;
    --bg-off-white: #f7fafc;
    --border: #e2e8f0;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-body);
    background: var(--bg-off-white);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-small {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 24px;
}

.top-nav {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
    text-decoration: none;
    color: var(--text-dark);
}

.brand strong {
    font-size: 18px;
    font-weight: 700;
}

.brand span {
    font-size: 14px;
    color: var(--text-light);
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    color: var(--text-body);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent);
}

.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 60px 0 50px;
    margin-bottom: 48px;
    text-align: center;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.page-header .subtitle {
    font-size: 18px;
    opacity: 0.9;
}

.content-main-center {
    flex: 1;
    padding: 40px 0 80px;
}

.info-box {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px;
}

.info-box h2 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.info-box h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin: 32px 0 16px;
}

.info-box p {
    margin-bottom: 16px;
    line-height: 1.8;
}

.info-box ul {
    list-style: none;
    margin: 16px 0;
}

.info-box li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.info-box li:last-child {
    border-bottom: none;
}

.info-box a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.info-box a:hover {
    text-decoration: underline;
}

.btn-secondary {
    display: inline-block;
    padding: 12px 28px;
    background: var(--bg-white);
    color: var(--text-dark);
    text-decoration: none;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.site-footer-minimal {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 32px 0;
    text-align: center;
    margin-top: auto;
}

.site-footer-minimal p {
    margin-bottom: 8px;
}

.site-footer-minimal a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s;
}

.site-footer-minimal a:hover {
    color: white;
}

/* 404 Page */
.error-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 24px;
}

.error-code {
    font-size: 100px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 20px;
}

.error-msg {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.error-desc {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 32px;
}

@media (max-width: 600px) {
    .page-header h1 {
        font-size: 28px;
    }
    .nav-links {
        gap: 16px;
    }
    .info-box {
        padding: 24px;
    }
}