/* --- Styl podstawowy --- */
*, *::before, *::after { box-sizing:border-box; }

body {
    margin:0;
    padding:0;
    font-family:'Montserrat', sans-serif;
    background:#fff;
    color:#1a1a1a;
    text-align:center;
}

.visually-hidden {
    position:absolute;
    width:1px;
    height:1px;
    margin:-1px;
    padding:0;
    border:0;
    white-space:nowrap;
    clip-path:inset(100%);
    clip:rect(0 0 0 0);
    overflow:hidden;
}

header { padding:20px 0; }
.logo { width:180px; height:180px; margin:0 auto; display:block; }
.header-tagline { margin-top:10px; font-size:22px; font-weight:600; }

.intro {
    max-width:900px;
    margin:0 auto;
    padding:20px;
    line-height:1.6;
    font-size:16px;
}

h3 {
    margin-top:20px;
    font-size:20px;
    font-weight:700;
}

.offer-summary h2 {
    margin-top:20px;
    font-size:24px;
    font-weight:700;
}

.offer-summary h2 strong:first-child {
    color:#58a935;
}

/* --- Układ kart --- */
.cards {
    display:flex;
    justify-content:center;
    gap:50px;
    flex-wrap:wrap;
    margin:40px auto 60px;
}

.cards h3 {
    width:100%;
    text-align:center;
    margin-bottom:30px;
}

/* --- Karta --- */
.card {
    display:block;
    background:#fff;
    width:100%;
    max-width:400px;
    padding:40px 25px;
    border-radius:18px;
    box-shadow:0 6px 25px rgba(0,0,0,0.25);
    text-align:center;
    text-decoration:none;
    color:inherit;
    transition:transform .25s ease, box-shadow .25s ease;
    will-change:transform;
}

.card:hover {
    transform:translateY(-12px);
    box-shadow:0 16px 40px rgba(0,0,0,0.32);
}

.card img {
    width:260px;
    height:auto;
    object-fit:contain;
    display:block;
    margin:0 auto 20px;
}

.card p {
    font-size:15px;
    color:#555;
    font-weight:600;
}

/* --- Footer --- */
.mikup-footer {
    background:#0b1228;
    color:#fff;
    padding:25px 15px;
    text-align:center;
    margin-top:60px;
    line-height:1.4;
}

.mikup-footer .brand {
    color:#f4c542;
    font-weight:600;
}

.footer-top { font-size:16px; margin-bottom:10px; }
.footer-bottom { font-size:14px; margin-top:10px; color:#aaa; }

/* --- Media Queries --- */
@media(max-width:768px){
    .logo { width:150px; height:150px; }
    .header-tagline { font-size:20px; margin:5px 20px; }
    .intro { padding:10px 20px; font-size:15px; }
    .offer-summary h2 { font-size:20px; }
    .cards { gap:30px; }
    .card { padding:30px 15px; }
    .card img { width:220px; }
    .footer-top { font-size:15px; }
    .footer-bottom { font-size:13px; }
}

@media(max-width:480px){
    .logo { width:120px; height:120px; }
    .header-tagline { font-size:18px; }
    h3 { font-size:17px; }
    .card img { width:180px; }
}