* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: #172b3a;
    background: #f8fafb;
    line-height: 1.6;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 8%;
    background: white;
    border-bottom: 1px solid #e7edf0;
}

.logo {
    font-size: 25px;
    font-weight: 700;
    color: #172b3a;
    text-decoration: none;
}

.logo span,
.hero h1 span {
    color: #0d9488;
}

nav {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
}

nav a {
    color: #405564;
    text-decoration: none;
}

.hero {
    padding: 100px 8% 110px;
    background: #edf7f5;
}

.eyebrow {
    color: #0d8177;
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 12px;
}

.hero h1 {
    max-width: 760px;
    font-size: clamp(38px, 6vw, 68px);
    line-height: 1.12;
}

.intro {
    max-width: 600px;
    font-size: 18px;
    color: #526575;
}

.cta {
    display: inline-block;
    margin-top: 20px;
    padding: 13px 22px;
    border-radius: 7px;
    background: #087f75;
    color: white;
    text-decoration: none;
}

.section {
    padding: 65px 8%;
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.cards article {
    padding: 25px;
    background: white;
    border: 1px solid #e1e9eb;
    border-radius: 12px;
}

.about {
    background: white;
}

footer {
    padding: 25px 8%;
    color: #657784;
    border-top: 1px solid #e1e9eb;
}

@media (max-width: 650px) {
    header {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 65px;
        padding-bottom: 70px;
    }
}