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

body {
    font-family: Arial, Helvetica, sans-serif;
    color: #071941;
    background: #ffffff;
    line-height: 1.6;
}

a {
    text-decoration: none;
}

.page {
    max-width: 720px;
    margin: 0 auto;
    padding: 60px 24px 40px;
    text-align: center;
}

.logo {
    width: 200px;
    max-width: 60%;
    height: auto;
    display: block;
    margin: 0 auto 45px;
}

.hero h1 {
    font-size: clamp(2.2rem, 6vw, 3.4rem);
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 25px;
}

.tagline {
    font-size: 1.3rem;
    font-weight: 700;
    color: #10733b;
    margin-bottom: 18px;
}

.description {
    font-size: 1.05rem;
    color: #667085;
    max-width: 560px;
    margin: 0 auto 35px;
}

.button {
    display: inline-block;
    background: #10733b;
    color: #ffffff;
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 1px;
    padding: 16px 34px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.button:hover {
    background: #15904a;
    transform: translateY(-2px);
}


hr {
    border: none;
    border-top: 1px solid #e5e7eb;
    margin: 55px 0;
}

.vision h2 {
    font-size: clamp(1.7rem, 4vw, 2.3rem);
    letter-spacing: 2px;
    color: #10733b;
    margin-bottom: 22px;
}

.vision p {
    font-size: 1.1rem;
    margin-bottom: 18px;
}

.challenge h3 {
    font-size: clamp(1.3rem, 4vw, 1.7rem);
    margin-bottom: 12px;
}

.challenge p {
    font-size: 1.05rem;
    color: #667085;
    margin-bottom: 6px;
}

.challenge .split {
    margin: 18px 0 30px;
    line-height: 1.9;
}

footer .brand {
    font-size: 1.4rem;
    font-weight: 900;
    margin-bottom: 6px;
}

footer p {
    color: #667085;
    font-size: 0.95rem;
}

@media (max-width: 480px) {
    .page {
        padding: 40px 20px 30px;
    }

    hr {
        margin: 40px 0;
    }

    .button {
        width: 100%;
    }
}