/* December 2025 Executive Retreat - Main Styles */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

/* Header */
header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

header p {
    font-size: 1.2rem;
    opacity: 0.95;
}

header .subtitle {
    font-size: 1rem;
    margin-top: 0.5rem;
}

/* Navigation */
.main-nav {
    background: white;
    padding: 1rem;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-tab {
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    color: #475569;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-tab:hover {
    background: #f0f9ff;
    color: #1e3a8a;
}

.nav-tab.active {
    background: #1e3a8a;
    color: white;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Sections */
.section {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.section h2 {
    color: #1e3a8a;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    border-bottom: 3px solid #3b82f6;
    padding-bottom: 0.5rem;
}

.section-intro {
    color: #64748b;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

/* Summary Box */
.summary-box {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.summary-box h2 {
    color: #1e3a8a;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

/* Purpose Box */
.purpose-box {
    background: #f0f9ff;
    border-left: 4px solid #3b82f6;
    padding: 1.5rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.purpose-box p {
    margin-bottom: 0.5rem;
    color: #475569;
}

.purpose-box p:last-child {
    margin-bottom: 0;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-card {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.stat-card .number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-card .label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Document Grid */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.doc-card {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.doc-card:hover {
    border-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.doc-card h3 {
    color: #1e3a8a;
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.doc-card .pages {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.doc-card .description {
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.5;
}

.doc-card .status {
    display: inline-block;
    background: #10b981;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    margin-top: 0.75rem;
}

/* Objectives */
.objectives {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.objective {
    background: #f0f9ff;
    border-left: 4px solid #3b82f6;
    padding: 1.5rem;
    border-radius: 4px;
}

.objective h3 {
    color: #1e3a8a;
    margin-bottom: 1rem;
}

.objective ul {
    list-style-position: inside;
    color: #475569;
}

.objective ul li {
    margin-bottom: 0.5rem;
}

.checkmark {
    color: #10b981;
    font-weight: bold;
}

/* Quick Links */
.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.quick-link {
    display: inline-block;
    background: #3b82f6;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    text-align: center;
    font-weight: 500;
    transition: background 0.3s ease;
}

.quick-link:hover {
    background: #2563eb;
}

/* Footer */
footer {
    background: #1e293b;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

footer p {
    margin-bottom: 0.5rem;
}

footer .muted {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }

    .container {
        padding: 1rem;
    }

    .section {
        padding: 1.5rem;
    }

    .objectives {
        grid-template-columns: 1fr;
    }

    .main-nav {
        padding: 0.5rem;
    }

    .nav-tab {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}