body { 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
    background: white; 
    color: #444;
    line-height: 1.8;
    margin: 0;
    padding: 0;
}

/* Main Container */
.full-screen-content {
    padding: 60px 10%; 
    /* min-height removed to allow flexbox in PHP file to control height */
}

/* Header Area Styling */
.header-center {
    text-align: center;
    margin-bottom: 50px;
}

/* Clickable Brand Name */
.title-main {
    color: #2c3e50;
    font-size: 42px;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 10px;
}

.title-main span {
    color: #27ae60;
}

.title-main:hover {
    opacity: 0.8;
}

/* Centered Page Title */
.page-subtitle {
    font-size: 28px;
    color: #2c3e50;
    font-weight: 600;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.update-date {
    font-size: 16px;
    color: #7f8c8d;
    margin-top: 10px;
    font-style: italic;
}

.intro-paragraph {
    font-size: 19px;
    color: #34495e;
    margin-bottom: 40px;
    max-width: 1100px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

/* Individual Sections */
.section {
    margin-bottom: 35px;
    max-width: 1200px;
}

h2 {
    color: #27ae60; 
    font-size: 24px;
    border-left: 5px solid #27ae60;
    padding-left: 15px;
    margin-bottom: 15px;
}

p {
    font-size: 17px;
    margin: 0;
}

hr {
    border: 0;
    border-top: 1px solid #eee;
    margin: 40px 0;
}

/* Back to Home Button */
.btn-container {
    margin-top: 50px;
    margin-bottom: 80px;
    text-align: left;
}

.back-btn {
    background: #2c3e50;
    color: white;
    text-decoration: none;
    padding: 15px 35px;
    border-radius: 8px;
    font-weight: bold;
    transition: 0.3s;
    display: inline-block;
}

.back-btn:hover {
    background: #34495e;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .full-screen-content { padding: 40px 5%; }
    .title-main { font-size: 32px; }
    .page-subtitle { font-size: 22px; }
}