:root {
    --primary-color: #00a0e3;
    --secondary-color: #005b82;
    --text-color: #333333;
    --background-color: #ffffff;
    --gradient-start: #00a0e3;
    --gradient-end: #005b82;
}

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

body, html {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

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

header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
    height: 70px;
    background-color: transparent; /* Ensure header is transparent */
}

header.transparent {
    background-color: transparent;
}

header.solid {
    background-color: rgba(255, 255, 255, 0.8); /* Slightly transparent white */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo img {
    max-height: 40px;
    width: auto;
}

.nav-list {
    display: flex;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.nav-list li {
    margin-left: 20px;
}

.nav-list li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.menu-toggle {
    display: none;
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s, color 0.3s;
}

.cta-button:hover {
    background-color: var(--secondary-color);
    color: white;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
        cursor: pointer;
        font-size: 24px;
        z-index: 1000;
    }

    .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.95);
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }

    .nav-list.active {
        display: flex;
    }

    .nav-list li {
        margin: 0;
        text-align: center;
    }

    .nav-list li a {
        display: block;
        padding: 15px 0;
    }
}

.hero {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 100px 0;
    text-align: center;
    margin-top: 70px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 30px;
}

.cta-button {
    display: inline-block;
    background-color: white;
    color: var(--primary-color);
    padding: 12px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s, color 0.3s;
}

.cta-button:hover {
    background-color: var(--secondary-color);
    color: white;
}

footer {
    background-color: var(--text-color);
    color: white;
    text-align: center;
    padding: 20px 0;
}

.solution {
    /* ... existing styles ... */
    transition: transform 0.3s; /* Added transition for hover effect */
}

.solution-categories {
    display: flex; /* Use flexbox for horizontal layout */
    justify-content: space-between; /* Space between cards */
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.flash-card {
    background-color: white; /* Background for flash card */
    border: 1px solid var(--secondary-color); /* Border color */
    border-radius: 10px; /* Rounded corners */
    padding: 20px; /* Padding inside the card */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Shadow effect */
    margin: 15px; /* Margin between cards */
    text-align: center; /* Center text */
    transition: transform 0.3s; /* Added transition for hover effect */
    flex: 1; /* Allow cards to grow equally */
    min-width: 250px; /* Minimum width for cards */
}

.flash-card:hover {
    transform: translateY(-5px); /* Lift effect on hover */
}

.icon {
    font-size: 40px; /* Adjust icon size */
    color: #8e44ad; /* Icon color */
    margin-bottom: 10px; /* Space between icon and text */
}