/* Branding Colors */
:root {
    --primary-color: #0899fa;
    --secondary-color: #2c3e50;
    --background-color: #f4f4f4;
    --text-color: #333;
    --accent-color: #e74c3c;
}

/* Apply General Styles */
body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    overflow-y: scroll; /* This ensures the scrollbar is always visible */
}

/* Header & Navigation */
header {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 15px;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0; /* Added for better spacing */
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    cursor: pointer; /* Added for better UX */
}

/* Headings */
h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-color);
}

/* Buttons */
button {
    background-color: var(--accent-color);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background-color: #c0392b; /* can keep this color, but consider mixing slightly for better UX */
}

/* Mobile View (Up to 767px) */
@media screen and (max-width: 767px) {
    body {
        font-size: 16px;
    }
    
    header {
        text-align: center;
        padding: 10px;
    }

    nav ul {
        display: block;
        text-align: center;
        padding: 0;
    }

    nav ul li {
        display: block;
        margin: 10px 0;
    }

    img {
        width: 120px;
    }

    section {
        padding: 15px;
    }
}

/* Tablet View (768px - 1023px) */
@media screen and (min-width: 768px) and (max-width: 1023px) {
    body {
        font-size: 18px;
    }

    img {
        width: 140px;
    }

    section {
        padding: 20px;
    }
}

/* Fade-In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scrollbar Styles (Optional) */
::-webkit-scrollbar {
    width: 12px;        /* Width of the scrollbar */
}

::-webkit-scrollbar-track {
    background: #f1f1f1; /* Background color of the scrollbar track */
}

::-webkit-scrollbar-thumb {
    background: #888;    /* Color of the scroll thumb */
}

::-webkit-scrollbar-thumb:hover {
    background: #555;    /* Color of the scroll thumb when hovered */
}

/* Firefox */
.selector {
  scrollbar-width: thin;
  scrollbar-color: #888 #f0f0f0;
}

section {
    /*min-height: 100vh;   /* Ensure each section fills the viewport height */
    /*padding: 20px;       /* Space within sections */
    margin-left: 20px;   /* Adjust this value to move sections more to the right */
    margin-right: 20px;  /* Optional: Add right margin for balance */
}

.error-message {
    color: red;
    font-size: 14px;
    margin-top: 5px;
    display: block;
}

input, textarea {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    background-color: #3498db;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background-color: #2980b9;
}

/* Default (Light Mode) */
:root {
    --background-color: #f4f4f4;
    --text-color: #333;
    --header-color: #1163af;
    --button-color: #3498db;
    --button-text-color: white;
}

/* Dark Mode */
.dark-mode {
    --background-color: #121212;
    --text-color: #f4f4f4;
    --header-color: #1e1e1e;
    --button-color: #ff9800;
    --button-text-color: black;
}

/* Apply Theme Variables */
body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: Arial, sans-serif;
}

header {
    background-color: var(--header-color);
    color: white;
    text-align: center;
    padding: 15px;
}

button {
    background-color: var(--button-color);
    color: var(--button-text-color);
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background-color: #ff5722;
}

/* Button Hover Effect (Cross-Browser Support) */
button {
    background-color: #3498db;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease-in-out;
}

/* Vendor Prefixes */
button:hover {
    background-color: #2980b9;
    -webkit-transition: background-color 0.3s ease-in-out;
    -moz-transition: background-color 0.3s ease-in-out;
    -o-transition: background-color 0.3s ease-in-out;
}