/* Variables for easy theme changes */
:root {
    --primary-dark: #11142b;
    --primary-light: #f4f7f6; /* A very light grey, derived from primary context */
    --secondary-dark: #38bee4;
    --secondary-light: #e0f7fa; /* Lighter shade of secondary-dark */
    --white: #ffffff;
    --gray-text: #555; /* Neutral for general text */
    --border-color: #ddd; /* Neutral for borders */
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--primary-dark);
    background-color: var(--primary-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

ul {
    list-style: none;
    padding: 0; /* Ensure no default padding */
}

a {
    text-decoration: none;
    color: var(--secondary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Reusable Components */
.button-primary {
    display: inline-block;
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 12px 25px;
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    font-weight: 600;
    margin-top: 20px;
}

.button-primary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-3px);
}

.button-primary i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.button-primary:hover i {
    transform: translateX(3px);
}

.cta-button {
    display: inline-block;
    background-color: var(--secondary-dark);
    color: var(--white);
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.cta-button i {
    margin-left: 10px;
}

/* Section Titles */
.section-title-light {
    font-size: 2.8em;
    color: var(--white); /* White text for dark backgrounds */
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.section-title-light::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--secondary-dark);
    border-radius: 2px;
}

.section-title-dark { /* New class for dark headings on light backgrounds */
    font-size: 2.8em;
    color: var(--primary-dark); /* Dark text for light backgrounds */
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.section-title-dark::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--secondary-dark);
    border-radius: 2px;
}

/* Header & Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.school-logo {
    height: 50px; /* Adjust as needed */
    width: auto;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--primary-dark);
    font-weight: 600;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    background-color: var(--secondary-dark);
    bottom: -5px;
    left: 0;
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary-dark);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    z-index: 999;
    padding: 10px 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--primary-dark);
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background-color: var(--secondary-light);
    color: var(--secondary-dark);
}

/* Mobile Navigation */
.menu-toggle {
    display: none; /* Hidden on desktop */
    font-size: 1.8em;
    cursor: pointer;
    color: var(--primary-dark);
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 60px 0 20px 0;
    font-size: 0.95em;
    text-align: center;
}

footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    text-align: left;
}

.footer-col {
    flex: 1;
    min-width: 250px;
    margin-bottom: 20px;
}

.footer-col h3 {
    color: var(--secondary-dark);
    margin-bottom: 25px;
    font-size: 1.4em;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--secondary-dark);
    border-radius: 1.5px;
}

.footer-col p, .footer-col li {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: var(--secondary-dark);
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    color: var(--white);
    font-size: 1.5em;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.social-icons a:hover {
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
    transform: translateY(-3px);
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    margin-top: 40px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9em;
}

/* Responsive Design (Shared) */
@media (max-width: 992px) {
    .nav-links {
        gap: 20px;
    }

    .section-title-light, .section-title-dark {
        font-size: 2.2em;
    }

    .footer-col {
        min-width: 45%;
        text-align: center;
    }

    .footer-col h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-wrap: wrap;
        justify-content: center;
    }

    .navbar .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: var(--white);
        position: absolute;
        top: 80px;
        left: 0;
        padding: 20px 0;
        border-top: 1px solid var(--border-color);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.05);
        z-index: 990;
    }

    .navbar .nav-links.active {
        display: flex;
    }

    .nav-links li {
        text-align: center;
        margin: 10px 0;
    }

    .nav-links a {
        font-size: 1.1em;
        padding: 10px 0;
    }

    .menu-toggle {
        display: block;
        position: absolute;
        right: 20px;
        top: 25px;
    }

    .school-logo {
        height: 45px;
    }

    .footer-col {
        min-width: unset;
        width: 100%;
    }

    .footer-col h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .section-title-light, .section-title-dark {
        font-size: 1.8em;
    }
}