:root {
    /* Color Scheme from aacms.png banner */
    --color-primary-text: #191970; /* Midnight Blue */
    --color-primary-dark: #00008B; /* Dark Blue */
    --color-gradient-top: #FFD700; /* Gold/Yellow */
    --color-gradient-middle: #FFA500; /* Orange */
    --color-gradient-bottom: #FF4500; /* Red-Orange */
    --color-accent-green: #008000; /* Green */
    --color-accent-blue: #0000FF; /* Blue */
    --color-accent-red: #FF0000; /* Red */
    --color-white: #FFFFFF;
    --color-silver: #C0C0C0;
    --color-content-bg: #FFFFFF;
    --color-shadow: rgba(0, 0, 0, 0.1);
    --color-text-secondary: #555;
    --color-border: #ddd;
    
    /* Typography */
    --font-heading: 'Montserrat', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-body: 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-assamese: 'Noto Sans Assamese', 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    
    /* Enhanced Gradient Combinations */
    --gradient-subtle: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 165, 0, 0.1) 50%, rgba(255, 69, 0, 0.1) 100%);
    --gradient-strong: linear-gradient(135deg, var(--color-gradient-top) 0%, var(--color-gradient-middle) 50%, var(--color-gradient-bottom) 100%);
    --gradient-vertical: linear-gradient(180deg, var(--color-gradient-top) 0%, var(--color-gradient-middle) 50%, var(--color-gradient-bottom) 100%);
    --gradient-horizontal: linear-gradient(90deg, var(--color-gradient-top) 0%, var(--color-gradient-middle) 50%, var(--color-gradient-bottom) 100%);
    --color-accent-gold: #FFD700;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-primary-text);
    background-color: #f5f5f5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Assamese font support */
[lang="as"], [data-lang="as"] {
    font-family: var(--font-assamese);
}

/* Typography */
h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Gradient Utility Classes */
.gradient-border-top {
    border-top: 4px solid;
    border-image: var(--gradient-horizontal) 1;
}

.gradient-border-left {
    border-left: 4px solid;
    border-image: var(--gradient-vertical) 1;
}

.gradient-text {
    background: var(--gradient-strong);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Skip to content link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Focus states for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--color-accent-gold);
    outline-offset: 2px;
}

/* Gradient background utility */
.gradient-bg {
    background: linear-gradient(180deg, var(--color-gradient-top) 0%, var(--color-gradient-middle) 50%, var(--color-gradient-bottom) 100%);
}

/* Main content area */
main {
    flex: 1;
    padding: 20px;
}

/* Footer */
footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: 30px 20px;
    margin-top: auto;
    border-top: 3px solid;
    border-image: var(--gradient-horizontal) 1;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-section h3 {
    color: var(--color-gradient-top);
    margin-bottom: 15px;
    font-size: 1.2em;
    font-family: var(--font-heading);
}

.footer-section p,
.footer-section a {
    color: var(--color-white);
    text-decoration: none;
    line-height: 1.8;
}

.footer-section a:hover {
    color: var(--color-gradient-top);
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
}

/* Card styling */
.card {
    background: var(--color-content-bg);
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--color-shadow);
    padding: 20px;
    margin-bottom: 20px;
}

/* Button styling */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

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

.btn-primary:hover {
    background: var(--color-gradient-bottom);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--color-shadow);
}

.btn-success {
    background: var(--color-accent-green);
    color: var(--color-white);
}

.btn-success:hover {
    background: #006600;
}

/* Responsive */
@media (max-width: 768px) {
    main {
        padding: 10px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}