:root {
    /* Color Palette */
    --primary-color: #2D313E;
    --accent-color: #FFB800;
    --background-light: #F8F9FA;
    --background-dark: #161C2D;
    --text-primary: #2D313E;
    --text-secondary: #6D7C90;
    --text-light: #ffffff;
    
    /* Typography */
    --font-primary: 'Plus Jakarta Sans', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Base Styles */
body {
    background-color: var(--background-light);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
}

/* Header */
header {
    background-color: var(--background-light);
    box-shadow: var(--shadow-sm);
}

/* Navigation */
#mainmenu a {
    color: var(--text-primary);
    font-weight: 600;
}

#mainmenu a:hover {
    color: var(--accent-color);
}

/* Buttons */
.btn {
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--text-light);
}

.btn-primary:hover {
    background: #E5A600;
    color: var(--text-light) !important;
}

/* Cards */
.de-card {
    background-color: var(--text-light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    transition: transform 0.3s ease;
}

.de-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Dark Mode */
.dark-scheme {
    background-color: var(--background-dark);
    color: var(--text-light);
}

.dark-scheme header {
    background-color: var(--primary-color);
}

.dark-scheme .de-card {
    background-color: var(--primary-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Form Elements */
input, textarea, select {
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-primary);
}

input:focus, textarea:focus, select:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(241, 118, 102, 0.1);
}

/* Footer */
footer {
    background-color: #141c2c;
    color: #fbfbfb;
    padding: var(--spacing-xl) 0;
}

footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--text-light);
}

footer h5 {
    color: #fbfbfb;
}

/* Section styling */
section {
    padding: 80px 0;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 20px;
}

h1 {
    font-size: 48px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.color-gradient {
    background: linear-gradient(45deg, var(--accent-color) 0%, #FFD700 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

/* Icon styling */
.icon-box i {
    color: var(--accent-color);
}

/* Custom components */
.feature-box {
    padding: 30px;
    margin-bottom: 30px;
}

.feature-box i {
    font-size: 40px;
    margin-bottom: 20px;
}

/* Notification banner */
.announcement-banner {
    display: none;
}

/* Navigation menu */
#mainmenu li {
    padding: 0;
}

#mainmenu a {
    display: inline-block;
    padding: 12px 24px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: transparent;
}

#mainmenu a:hover {
    color: var(--accent-color);
    background: transparent;
}

/* Mobile responsiveness */
@media only screen and (max-width: 992px) {
    header.header-mobile {
        background: var(--text-light);
    }
    
    #mainmenu li {
        border-bottom: 1px solid rgba(45, 49, 66, 0.1);
    }
}

/* Update button styles */
.btn-main {
    display: inline-block;
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    color: #ffffff;
    background: var(--accent-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-main:hover {
    background: #E5A600;
    color: var(--text-light) !important;
}

.btn-line {
    display: inline-block;
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    background: transparent;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-line:hover {
    color: var(--accent-color);
    background: transparent;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 179, 68, 0.2);
}