:root {
    --primary-color: #0d2c54;
    --secondary-color: #c9a66b;
    --text-dark: #333333;
    --text-light: #ffffff;
    --bg-light: #f4f6f9;
    --bg-white: #ffffff;
    --border-color: #e1e8ed;
    --accent-color: #1a508b;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
}

/* Top Header Brand Bar */
.top-bar {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid var(--secondary-color);
}

.school-brand h1 {
    font-size: 1.6rem;
    letter-spacing: 0.5px;
}

.school-brand p {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

/* Sticky Navigation Menu */
.nav-container {
    background-color: var(--bg-white);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links > li {
    position: relative;
}

.nav-links a {
    display: block;
    padding: 18px 22px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.nav-links a:hover, .nav-links li:hover > a {
    background-color: var(--primary-color);
    color: var(--text-light);
}

/* Dropdown Menu Stylings */
.dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-white);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    min-width: 240px;
    border-top: 2px solid var(--secondary-color);
    z-index: 1001;
    list-style: none;
}

.dropdown li a {
    color: var(--text-dark);
    padding: 12px 20px;
    font-weight: 500;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.dropdown li a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.nav-links li:hover .dropdown {
    display: block;
}

/* Main Structural Hero Layout */
.hero {
    background: linear-gradient(rgba(13, 44, 84, 0.85), rgba(13, 44, 84, 0.85)), url('https://images.unsplash.com/photo-1541339907198-e08756dedf3f?auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    color: var(--text-light);
    text-align: center;
    padding: 100px 20px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.hero p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Main Framework Wrapper */
.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 30px;
}

main {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

section {
    margin-bottom: 40px;
}

section.active-section {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

h2.section-title {
    color: var(--primary-color);
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-size: 1.8rem;
}

h3.subsection-title {
    color: var(--accent-color);
    margin: 25px 0 10px 0;
    font-size: 1.3rem;
}

p {
    margin-bottom: 15px;
    text-align: justify;
}

ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

ul li {
    margin-bottom: 10px;
}

/* Sidebar Widgets Styling */
aside {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.widget {
    background-color: var(--bg-white);
    padding: 25px;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    border-left: 4px solid var(--primary-color);
}

.widget h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Form Controls Setup */
.contact-form {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 6px;
    margin-top: 20px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-color);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: var(--primary-color);
}

.btn-submit {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background-color: var(--accent-color);
}

/* Tabular Layout Framework */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid var(--border-color);
    padding: 12px;
    text-align: left;
}

th {
    background-color: var(--primary-color);
    color: var(--text-light);
}

tr:nth-child(even) {
    background-color: var(--bg-light);
}

/* Footer Settings */
footer {
    background-color: var(--primary-color);
    color: var(--text-light);
    text-align: center;
    padding: 30px;
    margin-top: 60px;
    border-top: 4px solid var(--secondary-color);
}

footer p {
    text-align: center;
    font-size: 0.9rem;
}

/* Hamburger Menu Styles */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    gap: 6px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Responsive Breakpoints Handling */
@media (max-width: 992px) {
    .container {
        grid-template-columns: 1fr;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .nav-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 15px;
    }

    .hamburger {
        display: flex;
    }

    nav {
        display: none;
        width: 100%;
        position: absolute;
        top: 70px;
        left: 0;
        background-color: var(--bg-white);
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        z-index: 999;
    }

    nav.active {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        padding: 0;
    }

    .nav-links > li {
        width: 100%;
    }

    .nav-links a {
        padding: 15px 20px;
        border-bottom: 1px solid var(--border-color);
    }

    .dropdown {
        position: static;
        display: none;
        background-color: var(--bg-light);
        box-shadow: none;
        border: none;
        min-width: auto;
    }

    .dropdown.active {
        display: block;
    }

    .dropdown li a {
        padding: 12px 20px 12px 40px;
    }

    .nav-links li:hover .dropdown {
        display: none;
    }

    .hero {
        padding: 50px 20px;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .top-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .header-meta {
        font-size: 0.8rem;
    }

    .school-brand h1 {
        font-size: 1.2rem;
    }

    main {
        padding: 20px;
    }

    .container {
        margin: 20px auto;
        padding: 0 10px;
    }
}