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

body {
    font-family: Arial, sans-serif;
    background-color: #f5f7fb;
    color: #172033;
}

/* Navigation */

nav {
    background-color: white;
    padding: 18px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e5e7eb;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    color: #3157d5;
}

nav a {
    text-decoration: none;
    color: #555;
    margin-left: 25px;
}

/* Hero section */

.hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, #eef2ff, #ffffff);
}

.hero h1 {
    font-size: 55px;
    margin-bottom: 15px;
}

.hero h1 span {
    color: #3157d5;
}

.hero p {
    font-size: 20px;
    color: #667085;
    margin-bottom: 30px;
}

/* Buttons */

.buttons button {
    border: none;
    padding: 14px 30px;
    margin: 8px;
    border-radius: 10px;
    background-color: #3157d5;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

.buttons button:hover {
    background-color: #2445b2;
}

/* Sections */

section {
    padding: 70px 8%;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.cards {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.card {
    background: white;
    padding: 30px;
    width: 280px;
    border-radius: 15px;
    border: 1px solid #e5e7eb;
}

.card h3 {
    margin-bottom: 10px;
}

.card p {
    color: #667085;
}

/* Footer */

footer {
    background-color: #172033;
    color: white;
    text-align: center;
    padding: 30px;
}