/* ==========================================================================
   RESET & GLOBAL TYPOGRAPHY
   ========================================================================== */
@font-face {
    font-family: 'TNH Xuong';
    src: url('file:///C:/Users/Student/Downloads/fonts/TNHXuong.woff2') format('woff2'),
        url('file:///C:/Users/Student/Downloads/fonts/TNHXuong.woff') format('woff');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

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

body {
    font-family:'TNH Xuong';
    src: url('file:///C:/Users/Student/Downloads/fonts/TNHXuong.woff2') format('woff2'),
        url('file:///C:/Users/Student/Downloads/fonts/TNHXuong.woff') format('woff');
    background-color: #121212; /* Black dominant background */
    color: #e0e0e0;            /* Grayish white for smooth reading contrast */
    line-height: 1.6;
    padding-bottom: 40px;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* ==========================================================================
   HEADER STYLE (THEMATIC RED & BLACK STAGE VIBE)
   ========================================================================== */
.main-header {
    background: linear-gradient(135deg, #8b0000 0%, #1a0000 100%); /* Deep crimson gradient */
    color: #ffffff;
    padding: 40px 0;
    text-align: center;
    border-bottom: 4px solid #ff0000; /* Bold red accent bar */
    margin-bottom: 30px;
}

/* Thick uppercase headings matching the powerful energy of the show logo */
.main-header h1 {
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.subtitle {
    font-size: 1.1rem;
    color: #cccccc;
    font-style: italic;
}

/* ==========================================================================
   LAYOUT STRUCTURE (GRID CARDS)
   ========================================================================== */
.card {
    background-color: #1e1e1e; /* Secondary dark gray background */
    border: 1px solid #333333;
    border-left: 5px solid #ff0000; /* Distinct left red indicator strip */
    border-radius: 4px;
    padding: 25px;
    margin-bottom: 25px;
}

h2 {
    color: #ffffff;
    border-bottom: 1px solid #444444;
    padding-bottom: 10px;
    margin-bottom: 20px;
    text-transform: uppercase;
    font-size: 1.4rem;
}

h3 {
    color: #ff3333; /* Vibrant red for section accents */
    margin-bottom: 10px;
}

/* Responsive Grid implementation for Section 1 columns */
.grid-2col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

/* Responsive Grid layout partitioning the 4-page site blueprint map */
.grid-outline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.outline-item {
    background-color: #262626;
    padding: 15px;
    border-radius: 4px;
    border-top: 3px solid #ff3333;
}

.outline-item h4 {
    color: #ffffff;
    margin-bottom: 8px;
}

.design-list li {
    margin-left: 20px;
    margin-bottom: 10px;
}

/* ==========================================================================
   FLEXBOX NAVIGATION LINKS (SEO SECTION)
   ========================================================================== */
.flex-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
}

.seo-link {
    background-color: #ff0000;
    color: #ffffff;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: bold;
    transition: background 0.3s ease;
}

.seo-link:hover {
    background-color: #b30000; /* Darker red transition element on hover state */
}

/* ==========================================================================
   FOOTER STYLE WITH EMAIL INTEGRATION
   ========================================================================== */
.main-footer {
    background-color: #0d0d0d;
    color: #aaaaaa;
    text-align: center;
    padding: 30px 0;
    margin-top: 40px;
    border-top: 1px solid #222222;
    font-size: 0.9rem;
}

.main-footer a {
    color: #ff3333;
    text-decoration: none;
    font-weight: bold;
}

.main-footer a:hover {
    text-decoration: underline;
}

.copyright {
    margin-top: 15px;
    font-size: 0.8rem;
    color: #666666;
}