:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #ffffff;
    --text-color: #1f2937;
    --text-light: #4b5563;
    --bg-light: #f3f4f6;
    --border-color: #e5e7eb;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #ffffff;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Utilities */
.social-utility-bar {
    background-color: #111827;
    color: #ffffff;
    padding: 8px 0;
    font-size: 0.875rem;
}

.utility-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-utility-bar a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.2s;
}

.social-utility-bar a:hover {
    color: var(--primary-color);
}

.social-links a {
    margin-left: 15px;
    font-size: 1rem;
}

.main-header-nav {
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.nav-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

@media(min-width: 992px) {
    .nav-container {
        flex-direction: row;
        justify-content: space-between;
        gap: 0;
    }
}

.brand-logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-color);
}

.site-logo {
    height: 70px;
    width: auto;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    list-style: none;
    gap: 15px;
}

.nav-list a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.80rem;
    padding: 5px 8px;
    transition: color 0.2s;
    border-bottom: 2px solid transparent;
}

.nav-list a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Hero Slider (Index Page) */
.hero-slider-container {
    position: relative;
    height: 450px;
    overflow: hidden;
    background-color: #000000;
}

.slider-wrapper {
    display: flex;
    width: 400%;
    height: 100%;
    animation: slideAnimation 20s infinite;
}

.slide {
    width: 25%;
    height: 100%;
    position: relative;
    background-size: cover;
    background-position: center;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(17, 24, 39, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #ffffff;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    color: #ffffff;
}

.hero-content .subtitle {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.hero-content p {
    max-width: 800px;
    margin: 0 auto 25px auto;
    font-size: 1rem;
    color: #e5e7eb;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.btn-secondary:hover {
    background-color: #ffffff;
    color: var(--text-color);
}

@keyframes slideAnimation {
    0%, 20% { transform: translateX(0%); }
    25%, 45% { transform: translateX(-25%); }
    50%, 70% { transform: translateX(-50%); }
    75%, 95% { transform: translateX(-75%); }
    100% { transform: translateX(0%); }
}

/* Standard Banner for Subpages */
.subpage-banner {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: #ffffff;
    padding: 60px 0;
    text-align: center;
}

.subpage-banner h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

/* Sections */
.section-padding {
    padding: 60px 0;
}

.section-bg {
    background-color: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 40px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 10px auto 0 auto;
    border-radius: 2px;
}

/* Grid & Content Styling */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 30px; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 30px; }

@media(min-width: 768px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media(min-width: 992px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.card {
    background: #ffffff;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0,0,0,0.05);
}

/* Lists */
.styled-list {
    list-style: none;
    margin-top: 15px;
}

.styled-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 8px;
}

.styled-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Forms */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: #ffffff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    outline: none;
    font-size: 1rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    margin-top: 20px;
}

.tuition-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
}

.tuition-table th, .tuition-table td {
    padding: 15px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.tuition-table th {
    background-color: var(--primary-color);
    color: #ffffff;
    font-weight: 600;
}

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

/* Accordion */
.accordion-item {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 15px;
    background: #ffffff;
    overflow: hidden;
}

.accordion-header {
    padding: 18px 20px;
    background: var(--bg-light);
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-content {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

/* Footer Styling */
footer {
    background-color: #111827;
    color: #ffffff;
    padding: 60px 0 20px 0;
    margin-top: 60px;
    border-top: 4px solid var(--primary-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

@media(min-width: 768px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer-logo {
    height: 50px;
    margin-bottom: 15px;
}

footer h3, footer h4 {
    color: #ffffff;
    margin-bottom: 15px;
}

footer ul {
    list-style: none;
}

footer ul li {
    margin-bottom: 10px;
}

footer a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: #ffffff;
}

.footer-socials .social-icons {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 1.25rem;
}

.footer-socials .social-icons a {
    color: #ffffff;
}

.footer-socials .social-icons a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    margin-top: 40px;
    border-top: 1px solid #1f2937;
    color: #9ca3af;
    font-size: 0.875rem;
}