:root {
    --primary-color: #005A9C;
    --secondary-color: #00A4E4;
    --background-color: #f4f7f6;
    --card-background: #ffffff;
    --text-color: #333;
    --label-color: #555;
    --border-color: #e0e0e0;
    --dark-footer-bg: #1a202c;
    --light-text: #f0f4f8;
}

body { 
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; 
    background-color: var(--background-color); 
    color: var(--text-color); 
    margin: 0; 
}

.site-header {
    background: var(--card-background);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.site-title a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo {
    height: 45px;
    width: auto;
}

.logo-text {
    font-family: 'Inter', sans-serif;
    font-size: 1.4em;
    font-weight: 700;
    color: var(--primary-color);
}

.site-nav a {
    margin-left: 25px;
    font-weight: 600;
    color: var(--label-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-nav a:hover {
    color: var(--primary-color);
}

/* ======================================= */
/* 3. Page-Specific Hero Section (Title)   */
/* ======================================= */
.page-hero {
    background-color: #eaf2f8;
    text-align: center;
    padding: 40px 20px;
}

.hero-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.page-hero h1 { 
    color: var(--primary-color); 
    margin: 0 0 10px 0;
    font-size: 2.5rem;
    font-family: 'Roboto', sans-serif;
}

.page-hero p { 
    color: var(--label-color); 
    font-size: 1.1em;
    margin: 0;
}

.page-content-wrapper {
    padding: 1.5rem; /* 1.5rem = p-6 in Tailwind */
}

.clock {
    width: 120px;
    height: 120px;
    border: 6px solid #333;
    border-radius: 50%;
    position: relative;
    margin: auto;
    background: white;
}
.hand {
    width: 50%;
    height: 2px;
    background: black;
    position: absolute;
    top: 50%;
    transform-origin: 100%;
    transition: transform 0.05s cubic-bezier(0.4, 2.08, 0.55, 0.44);
}
.minute { height: 3px; background: #666; }
.second { height: 1px; background: red; }

.content-section {
    background-color: #ffffff;
    padding: 2rem 2.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}
.content-section section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}
.content-section section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.content-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #111827;
}
.content-section p, .content-section ul {
    line-height: 1.75;
    color: #4b5563;
}
.content-section ul { list-style-type: disc; padding-left: 1.5rem; }
.content-section li { margin-bottom: 0.5rem; }
.content-section strong { color: #1f2937; font-weight: 600; }
.table-container { overflow-x: auto; }
.content-section table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.content-section th, .content-section td {
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    text-align: left;
}
.content-section th { background-color: #f3f4f6; font-weight: 600; }

.site-footer {
    background: var(--dark-footer-bg);
    color: var(--light-text);
    padding: 30px 0;
    margin-top: 50px;
    width: 100%;
}
.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 15px;
}
.footer-nav a {
    margin-left: 20px;
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.2s ease;
}
.footer-nav a:hover {
    color: white;
}