body{margin:0;font-family:system-ui;background:#eef3f8;color:#233}
.container{max-width:960px;margin:auto;padding:24px}
.hero{
    background:#ffffff;
    color:#22313b;
    padding:22px 0 45px;
    text-align:center;
    border-top:14px solid #67C4CC;
    border-bottom:1px solid #e7e7e7;
}
.logo{border:2px dashed #fff;padding:12px;display:inline-block;margin-bottom:20px}
.card,.result,.promo{background:#fff;border-radius:14px;padding:24px;margin:24px 0;box-shadow:0 8px 24px rgba(0,0,0,.08)}
label{display:block;margin-top:12px}
input,select,button{width:100%;padding:12px;border-radius:8px;border:1px solid #ccd}
button{margin-top:18px;background:#67C4CC;color:#22313b;border:none;font-weight:600}
.big{font-size:58px;color:#22313b;font-weight:700;text-align:center}
.result{text-align:center;border-top:6px solid #67C4CC}
.hint{background:#fff6df;border-left:4px solid #e5b100;padding:12px;margin-top:12px}
.promo{border:2px dashed #9ab;text-align:center}
footer{background:#123b67;color:#fff;padding:20px;text-align:center}
/* FAQ */

.card h2 {
    margin-bottom: 10px;
}

.faq-intro {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.6;
}

details {
    background: #f7f9fc;
    border: 1px solid #dde4ec;
    border-radius: 10px;
    padding: 14px 18px;
    margin-bottom: 12px;
    transition: all .2s ease;
}

details[open] {
    background: #ffffff;
    box-shadow: 0 3px 12px rgba(0,0,0,.08);
}

summary {
    cursor: pointer;
    font-weight: 600;
}

details p {
    margin-top: 12px;
    line-height: 1.7;
}

.formula-box {
    background: #eef5ff;
    border-left: 4px solid #67C4CC;
    padding: 14px;
    margin: 15px 0;
    border-radius: 6px;
    font-family: Consolas, monospace;
}
.brand{
    margin-bottom:25px;
}

.logo-camp{
    width:140px;
    height:auto;
}

.subtitle{
    font-size:20px;
    color:#5b6872;
    margin-top:10px;
}

.powered{
    margin-top:35px;
    color:#6b6b6b;
    font-size:15px;
}

.logo-tortuga{
    width:140px;
    height:auto;
    margin-top:8px;
    opacity:0.80;
}
.site-footer{
    margin-top:60px;
    padding:35px 20px;
    background:#f8f9fb;
    border-top:1px solid #e5e7eb;
    text-align:center;
}

.footer-links{
    margin-bottom:18px;
}

.footer-links a{
    color:#4aaab7;
    text-decoration:none;
    margin:0 14px;
    font-weight:500;
}

.footer-links a:hover{
    text-decoration:underline;
}

.footer-copy{
    color:#666;
    font-size:14px;
    line-height:1.6;
}
.promo{
    background:#fff9df;
    border:1px solid #ead777;
    border-radius:14px;
    padding:35px;
    margin-top:55px;
    text-align:center;
}

.promo-logo{
    width:130px;
    height:auto;
    margin-bottom:20px;
}

.promo h2{
    margin-top:0;
    margin-bottom:15px;
}

.promo p{
    line-height:1.7;
}

.promo ul{
    display:inline-block;
    text-align:left;
    margin:20px auto;
    line-height:2;
    padding-left:22px;
}

.promo-button{
    display:inline-block;
    margin-top:15px;
    background:#67C4CC;
    color:#22313b;
    text-decoration:none;
    padding:13px 24px;
    border-radius:8px;
    font-weight:600;
}

.promo-button:hover{
    background:#55B7C0;
}