:root {
    --primary-color: #0056b3; /* Dark Blue */
    --secondary-color: #007bff; /* Bright Blue */
    --tertiary-color: #28a745; /* Green */
    --accent-color: #ffc107; /* Yellow/Gold */
    --dark-text: #333;
    --light-text: #f4f4f4;
    --border-color: #ddd;
    --bg-light: #f9f9f9;
    --bg-dark: #2c3e50; /* Darker Blue-Grey */
    --header-height: 80px;
    --footer-height: auto;
    --section-padding: 80px 0;
    --container-width: 1200px;
}

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

html{
    scroll-behavior: smooth;
}

body{
    font-family: "Poppins", sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background: #fff;
}

/* Scroller Styling */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

/* Track */
::-webkit-scrollbar-track {
    background: var(--light-text);
}

/* Handle */
::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 50px;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* li and a */
a{
    text-decoration: none;
    color: var(--dark-text);
}

li{
    list-style-type: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', sans-serif;
    color: var(--dark-text);
    margin-bottom: 15px;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.8rem; }
p { margin-bottom: 10px; }

.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
    position: relative;
    line-height: 1.2;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: #004494;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: var(--secondary-color);
    color: #fff;
}

.btn-secondary:hover {
    background: #0069d9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-tertiary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-tertiary:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-large {
    padding: 15px 35px;
    font-size: 1.1rem;
}

/* Section Padding */
.section-padding {
    padding: var(--section-padding);
}

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

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

.text-white {
    color: var(--light-text) !important;
}

.text-white h2,
.text-white h3 {
    color: var(--light-text) !important;
}

.main-color{
    color: var(--secondary-color);
}

.card-icon{
    font-size: 3.5rem;
    text-align: center;
    width: 100%;
    display: block;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.accent-color{
    color: var(--accent-color);
}

/* Scroll Animation */
.fade-right{
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.5s ease, transform 1s ease, box-shadow 0.5s ease;
}

.fade-right.visible{
    opacity: 1;
    transform: translateX(0px);
}

.fade-left{
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.5s ease, transform 1s ease, box-shadow 0.5s ease;
}

.fade-left.visible{
    opacity: 1;
    transform: translateX(0);
}

.fade-up{
    opacity: 0;
    transform: translateY(50px);
    transition: transform 1s ease, opacity 0.5s ease, box-shadow 0.5s ease;
}

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