/* Chat GPT 5.2 - 2026-Apr-02 */
/* ===== Base Reset ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Segoe UI", Tahoma, sans-serif;
    color: #222;
    background-color: #ffffff;
    line-height: 1.3; /* 1.6 */
}

/* add smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
	top: 0;
	background-color: #ffffff;
    /* position: relative; -- want STICKY */
    z-index: 1000;  /* 10; */
}

/* Layout container */
.header-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 12px 20px;

    display: flex;
    align-items: flex-end; /* yields bottom alignment (valign="bottom") */
    justify-content: space-between;
}

/* ===== Logo ===== */
.logo-container {
    display: flex;
    align-items: flex-end;
}

.logo {
    height: 48px;
    width: auto;
    display: block;
}

.hamburger {
    height: 33px;
    width: auto;
    display: block;
}

/* ===== Navigation ===== */
.nav-bar {
    display: flex;
    gap: 28px;
}

.nav-bar a {
    text-decoration: none;
    color: #0a3d7a;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

/* Subtle underline hover */
.nav-bar a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0%;
    height: 2px;
    background-color: #c00000;
    transition: width 0.25s ease;
}

.nav-bar a:hover::after {
    width: 100%;
}

.nav-bar a.active {
  background-color: white;
  color: maroon;
}


/* ===== Subtle Gradient Divider ===== */
.header-divider {
    height: 2px;
    background: linear-gradient(to right, transparent, #6b1f1f, transparent);
    margin-top: 4px;
}

.footer-divider {
    height: 2px;
    background: linear-gradient(to right, transparent, #6b1f1f, transparent);
    margin-top: 4px;
}

/* ===== Hero Section ===== */
.hero {
    max-width: 900px;
    margin: 60px auto 40px auto;
    padding: 0 20px;
    text-align: center;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 600;
    color: #0a3d7a;
    margin-bottom: 16px;
}

.hero p {
    font-size: 1.05rem;
    color: #444;
}

/* ===== Content Section ===== */
.content {
    max-width: 900px;
    margin-top: 20px;  /* was 40px auto */
	margin-right: 15px;
	margin-left: 15px;
	margin-bottom: 0px;
    padding: 0 20px;
}

.content h2 {
    color: #0a3d7a;
    margin-top: 20px;
}

.content h3 {
    color: #000000;
    margin-top: 20px;
}

.content p {
    margin-top: 10px;
}

/* ===== Footer ===== */
footer {
    margin-top: 20px;  /* 60px */
    padding: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: #666;
    /* border-top: 1px solid #eee; 
	   see .footer-divider instead */
}

/* ===== Mobile Layout ===== */
@media (max-width: 768px) {

    .header-container {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    .logo {
        height: 40px;
    }

    .nav-bar {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero h1 {
        font-size: 1.6rem;
    }
}

/* ===== Student Courses ===== */
table.security-table {
  border-collapse: collapse;
  font-family: Arial, sans-serif;
  font-size: 14px;
  width: 100%;
}

/* mobile users can scroll horizontally */
.security-table {
    display: block;
    overflow-x: auto;
}

.security-table th,
.security-table td {
  background-color: :#e6e6e6;
  border: 1px solid #ccc;
  padding: 6px 8px;
  text-align: center;
}

.security-table th:first-child,
.security-table td:first-child {
  text-align: left;
}

.section-row th,
.section-row td {
  background-color: :#ebbbb3;
  font-weight: bold;
  text-align: center;
}

.section-row th:first-child,
.section-row td:first-child {
  text-align: left;
}

.key {
  color: #2e7d32; /* green */
  font-weight: bold;
}

.overview {
  color: #f9a825; /* amber */
}

.na {
  color: #9e9e9e; /* grey */
}

.legend {
  font-size: 13px;
  margin-bottom: 8px;
}