* { box-sizing: border-box; }
body { margin: 0; background: #fff6e8; color: #37251f; font: 16px/1.55 system-ui, sans-serif; }
[hidden] { display: none !important; }
a { color: #a5111c; text-underline-offset: 3px; }
header { max-width: 680px; margin: 24px auto 16px; padding: 0 20px; }
header img { object-fit: contain; }
.ebook-karta { max-width: 640px; margin: auto; background: #fffcf6; border-radius: 24px; overflow: hidden; box-shadow: 0 10px 40px #8a361412; border: 1px solid #ecdcc8; }
.ebook-pasek { padding: 15px 24px; background: linear-gradient(120deg, #bf101a, #98101a); color: white; font-size: 12px; font-weight: 750; letter-spacing: 1px; }
.ebook-srodek { padding: 24px 32px 32px; }
.ebook-wstep { display: flex; gap: 20px; align-items: center; margin-bottom: 20px; }
.ebook-wstep img { width: 120px; height: auto; flex-shrink: 0; }
h1 { font-size: 28px; line-height: 1.15; margin: 0 0 10px; }
h2 { font-size: 26px; line-height: 1.2; }
p { margin: 8px 0 16px; }
.ebook-etykieta { display: block; font-weight: 700; margin-bottom: 6px; }
input[type=email] { width: 100%; padding: 14px; border: 1px solid #bda998; border-radius: 12px; font: inherit; background: white; color: inherit; margin-bottom: 20px; }
.ebook-zgoda { display: flex; gap: 12px; margin: 4px 0 14px; cursor: pointer; font-size: 14px; padding: 5px 0; }
.ebook-zgoda input { flex-shrink: 0; width: 23px; height: 23px; margin: 0; accent-color: #b0101b; cursor: pointer; }
.ebook-zgoda small { display: block; color: #736258; font-size: 12px; }
button { font: inherit; cursor: pointer; }
.ebook-wszystko { background: transparent; color: #a5111c; border: 1px solid #d6b7a8; padding: 10px 15px; border-radius: 10px; font-weight: 650; min-height: 44px; }
.ebook-prywatnosc { font-size: 12px; color: #736258; margin: 16px 0; }
.ebook-przycisk { display: block; width: 100%; border: 0; border-radius: 12px; padding: 15px 18px; font-size: 17px; font-weight: 750; text-decoration: none; text-align: center; background: #b0101b; color: white; }
.ebook-przycisk:hover { background: #920d16; }
button:disabled { opacity: .6; cursor: wait; }
:focus-visible { outline: 3px solid #1b80bd; outline-offset: 4px; }
.ebook-pulapka { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
#ebook-status { padding: 12px; border-radius: 10px; background: #fce6df; margin-top: 16px; }
#ebook-newsletter-status { font-size: 14px; margin-top: 18px; }
.ebook-powrot { display: block; padding: 20px 0 0; }
footer { display: flex; flex-wrap: wrap; gap: 12px 20px; justify-content: space-between; max-width: 640px; padding: 24px 20px; margin: auto; font-size: 13px; }
@media (max-width: 600px) {
    header { margin: 12px 0 8px; }
    header img { width: 135px; height: 44px; }
    .ebook-karta { margin: 0 12px; border-radius: 18px; }
    .ebook-srodek { padding: 20px; }
    .ebook-pasek { padding: 12px 20px; font-size: 10px; }
    .ebook-wstep { gap: 12px; }
    .ebook-wstep img { width: 85px; }
    h1 { font-size: 23px; }
    .ebook-wstep p { font-size: 14px; margin-bottom: 0; }
}