/* 
   BE Digital Performance - Enterprise Terms of Use Styles
   Clean, Professional, Institutional
*/

:root {
    /* Color Palette */
    --primary-color: #0F172A;       /* Deep Navy/Black */
    --text-color: #334155;          /* Slate Gray */
    --heading-color: #1E293B;       /* Dark Slate */
    --accent-color: #2563EB;        /* Royal Blue */
    --accent-hover: #1D4ED8;
    --bg-color: #F8FAFC;            /* Very Light Gray */
    --card-bg: #FFFFFF;
    --border-color: #E2E8F0;
    
    /* Callouts */
    --danger-bg: #FEF2F2;
    --danger-border: #FEE2E2;
    --danger-text: #991B1B;

    /* Spacing */
    --container-width: 800px;
    --header-height: 70px;
    
    /* Fonts */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style-position: inside;
}

/* Container Utility */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Topbar */
.topbar {
    background-color: var(--primary-color);
    color: #94A3B8;
    font-size: 0.75rem;
    padding: 8px 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
}

.topbar-content .separator {
    margin: 0 8px;
    opacity: 0.5;
}

/* Sticky Header */
.site-header {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
}

.header-content {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

.site-header nav {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-link.external {
    color: var(--text-color);
}

.nav-link.external:hover {
    color: var(--accent-color);
}

.nav-link.secondary {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    background: white;
    padding: 60px 0 40px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.hero .subtitle {
    font-size: 1.1rem;
    color: var(--text-color);
    max-width: 600px;
    margin: 0 auto 30px;
}

.hero-divider {
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, var(--accent-color), #60A5FA);
    margin: 0 auto 30px;
    border-radius: 2px;
}

.badges {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.badge {
    background-color: #F1F5F9;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--heading-color);
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--border-color);
}

.badge .icon {
    font-size: 1rem;
}

/* Main Content Container */
.main-container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Table of Contents */
.toc-container {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 40px;
}

.toc-container h3 {
    font-size: 1rem;
    text-transform: uppercase;
    color: #64748B;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.toc-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px 30px;
    list-style: none;
}

.toc-list li a {
    color: var(--accent-color);
    font-weight: 500;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
}

.toc-list li a:before {
    content: "•";
    color: #CBD5E1;
    margin-right: 8px;
}

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

/* Content Sections */
.content {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

section {
    margin-bottom: 40px;
}

h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid #F1F5F9;
}

h3 {
    color: var(--heading-color);
    font-size: 1.2rem;
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
    color: var(--text-color);
}

.content ul {
    margin-bottom: 16px;
    padding-left: 20px;
}

.content li {
    margin-bottom: 8px;
}

/* Special Components */
.company-card {
    background-color: #F8FAFC;
    border-left: 4px solid var(--primary-color);
    padding: 16px;
    border-radius: 0 8px 8px 0;
    color: var(--heading-color);
    font-size: 0.95rem;
}

.callout {
    padding: 24px;
    border-radius: 8px;
    margin: 24px 0;
}

.callout.danger {
    background-color: var(--danger-bg);
    border: 1px solid var(--danger-border);
}

.callout.danger h3 {
    color: var(--danger-text);
}

.callout.danger ul li {
    color: #7F1D1D;
}

.button-link {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    margin-top: 10px;
}

.button-link:hover {
    background-color: var(--accent-hover);
    color: white;
}

.contact-block {
    background-color: #F8FAFC;
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.contact-block p {
    margin-bottom: 8px;
}

.last-update {
    margin-top: 60px;
    text-align: right;
    font-size: 0.9rem;
    color: #94A3B8;
    font-style: italic;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

/* Footer */
.site-footer {
    background-color: white;
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    margin-top: 60px;
    font-size: 0.9rem;
    color: #64748B;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
}

.footer-logo {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
}

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

.footer-nav a:hover,
.footer-nav a.active {
    color: var(--accent-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .toc-list {
        grid-template-columns: 1fr;
    }
    
    .content {
        padding: 24px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 10px;
    }
    
    .site-header {
        height: auto;
        padding: 10px 0;
    }

    .footer-nav {
        flex-direction: column;
        gap: 10px;
    }
}