* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #1f1f1f;
    color: #222;
}

.page-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 15px;
}

.paper {
    width: 100%;
    max-width: 850px;
    background: #ffffff;
    border-radius: 10px;
    padding: 35px 25px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}

.top-diagram {
    text-align: center;
    margin-bottom: 30px;
}

.top-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}

.logo-box,
.bottom-logo-box {
#    border: 2px solid #444;
#    border-radius: 8px;
#    background: #fafafa;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-box {
    width: 180px;
    height: 140px;
}

.bottom-logo-box {
    width: 280px;
    height: 180px;
    margin: 0 auto;
}

.logo-box img,
.bottom-logo-box img {
    max-width: 85%;
    max-height: 85%;
    display: block;
}

.symbol {
    font-size: 2.5rem;
    font-weight: bold;
    color: #444;
}

.equals {
    margin: 16px 0;
}

.intro {
    text-align: center;
    margin-bottom: 24px;
}

.intro h1 {
    margin: 0 0 10px;
    font-size: 2rem;
}

.intro p {
    margin: 10px auto;
    max-width: 650px;
    line-height: 1.5;
    color: #444;
}

.count {
    font-size: 1.05rem;
}

.message {
    margin: 0 auto 18px;
    max-width: 600px;
    background: #eef7ee;
    border: 1px solid #b7d7b7;
    color: #245224;
    border-radius: 8px;
    padding: 12px 14px;
    text-align: center;
}

.signup-form {
    max-width: 600px;
    margin: 0 auto;
}

.signup-form input,
.signup-form textarea {
    width: 100%;
    margin-bottom: 14px;
    padding: 14px 15px;
    border: 1px solid #bbb;
    border-radius: 8px;
    font-size: 1rem;
    font-family: Arial, sans-serif;
}

.signup-form textarea {
    resize: vertical;
    min-height: 120px;
}

.signup-form button {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    background: #2b2b2b;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
}

.signup-form button:hover {
    background: #111;
}

.honeypot,
.sr-only {
    position: absolute;
    left: -9999px;
}

@media (max-width: 640px) {
    .paper {
        padding: 25px 18px;
    }

    .logo-box {
        width: 140px;
        height: 110px;
    }

    .bottom-logo-box {
        width: 220px;
        height: 150px;
    }

    .intro h1 {
        font-size: 1.6rem;
    }
}