* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.7;
    color: #263238;
    background: #f6f8f9;
}

.container {
    width: 92%;
    max-width: 1080px;
    margin: auto;
}

header {
    background: #123b2a;
    color: white;
    padding: 18px 0;
}

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

.logo {
    font-size: 20px;
    font-weight: bold;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
}

nav a:hover {
    text-decoration: underline;
}

.hero {
    background: #eaf4ef;
    padding: 80px 0;
}

.badge {
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 46px;
    line-height: 1.15;
    margin: 12px 0;
    color: #123b2a;
}

.hero p {
    max-width: 720px;
    font-size: 19px;
}

.button {
    display: inline-block;
    background: #123b2a;
    color: white;
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 7px;
    margin-top: 10px;
}

section {
    padding: 55px 0;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 22px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.06);
}

h1 {
    color: #123b2a;
}

h2 {
    color: #123b2a;
    margin-top: 0;
}

h3 {
    color: #263238;
    margin-top: 28px;
}

a {
    color: #126b48;
}

.date {
    color: #68777d;
    font-size: 14px;
}

footer {
    background: #123b2a;
    color: white;
    padding: 30px 0;
}

footer a {
    color: white;
}

@media (max-width: 700px) {

    .nav {
        flex-direction: column;
        align-items: flex-start;
    }

    nav a {
        margin-left: 0;
        margin-right: 15px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero {
        padding: 60px 0;
    }

    .card {
        padding: 22px;
    }
}