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

/* Body */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

/* Common container */
.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* Header */
.header {
    background-color: #222;
    color: #ffffff;
    padding: 20px 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.logo {
    font-size: 24px;
}

/* Navigation */
nav a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 20px;
    font-size: 16px;
}

nav a:hover {
    color: #00bcd4;
}

/* Hero */
.hero {
    background-color: #00bcd4;
    color: #ffffff;
    text-align: center;
    padding: 100px 20px;
}

.hero h2 {
    font-size: 42px;
    margin-bottom: 15px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
}

/* Button */
.btn {
    display: inline-block;
    background-color: #222;
    color: #ffffff;
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 5px;
}

.btn:hover {
    background-color: #444;
}

/* Sections */
.section {
    padding: 60px 20px;
    text-align: center;
}

.section h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.section p {
    font-size: 17px;
}

.light-bg {
    background-color: #f4f4f4;
}

/* Cards */
.cards {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.card {
    background-color: #ffffff;
    padding: 30px;
    width: 30%;
    min-width: 220px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.card h3 {
    margin-bottom: 15px;
    color: #00a0b5;
}

/* Footer */
.footer {
    background-color: #222;
    color: #ffffff;
    text-align: center;
    padding: 20px;
}

/* Mobile Responsive */
@media (max-width: 768px) {

    .header .container {
        flex-direction: column;
    }

    nav a {
        margin: 0 8px;
        font-size: 14px;
    }

    .hero h2 {
        font-size: 30px;
    }

    .hero p {
        font-size: 16px;
    }

    .card {
        width: 100%;
    }
}