* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f3f7fa;
    color: #193345;
}

.container {
    max-width: 1050px;
    margin: auto;
    padding-left: 22px;
    padding-right: 22px;
}

header {
    background: #102e42;
    color: white;
    padding: 22px 0;
}

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

.brand {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 30px;
    font-weight: bold;
    color: #31c6d3;
}

.brand-subtitle {
    font-size: 12px;
    color: #d3e9ed;
}

.control-link {
    color: white;
    text-decoration: none;
    font-size: 14px;
}

.hero {
    text-align: center;
    padding: 75px 0 45px;
}

.eyebrow {
    color: #008e9e;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 2px;
}

.hero h1 {
    font-size: clamp(30px, 5vw, 44px);
    margin-bottom: 18px;
}

.hero p {
    color: #617583;
    font-size: 18px;
    line-height: 1.6;
}

.builder {
    background: white;
    max-width: 720px;
    margin: 0 auto 60px;
    padding: 35px;
    border-radius: 14px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
}

.builder h2 {
    margin-top: 0;
}

.description {
    color: #617583;
    line-height: 1.6;
}

label {
    display: block;
    margin-top: 22px;
    margin-bottom: 8px;
    font-weight: bold;
}

input[type="text"],
input[type="url"],
input[type="file"] {
    display: block;
    width: 100%;
    padding: 13px;
    border: 1px solid #cbd7df;
    border-radius: 7px;
    font-size: 15px;
}

input[type="color"] {
    width: 70px;
    height: 45px;
    cursor: pointer;
}

button {
    display: block;
    width: 100%;
    margin-top: 30px;
    padding: 16px;
    background: #009fb0;
    border: 0;
    border-radius: 8px;
    color: white;
    font-size: 17px;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background: #007f8d;
}

#form-message {
    color: #617583;
    text-align: center;
}

.info {
    text-align: center;
    padding: 10px 0 65px;
}

.info p {
    color: #617583;
    line-height: 1.6;
}

.info a {
    color: #008e9e;
    font-weight: bold;
}

footer {
    background: #102e42;
    color: #b9cbd3;
    text-align: center;
    padding: 20px;
}

@media (max-width: 600px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .hero {
        padding-top: 45px;
    }

    .builder {
        padding: 22px;
    }
}