/* Il filo di Arianna: colori ispirati alla copertina. */
.ariannaBanner,
.ariannaHero {
  --arianna-ink: #235768;
  --arianna-clay: #a44c22;
  background: linear-gradient(120deg, #e5f0f2, #faf7f0 75%);
  border: 1px solid #d7e4e5;
  border-radius: 22px;
  color: #243e47;
}
.ariannaBanner {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  align-items: center;
  gap: 32px;
  margin: 26px 0;
  padding: 28px 40px;
}
.ariannaBannerCover { display: block; }
.ariannaBannerCover img,
.ariannaCover {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: 0 14px 28px rgba(27, 65, 79, .19);
  border-radius: 2px 5px 5px 2px;
}
.ariannaEyebrow {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: #a44c22;
}
.ariannaBanner h2,
.ariannaIntro h1,
.ariannaDescription h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.12;
  color: #235768;
}
.ariannaBanner h2 { font-size: clamp(30px, 4vw, 44px); margin: 0 0 8px; }
.ariannaSubtitle { font-size: clamp(18px, 2.2vw, 24px); line-height: 1.4; margin: 0 0 16px; }
.ariannaBannerText { max-width: 640px; margin: 0 0 20px; }
.ariannaActions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }
.ariannaButton.btnPrimary { background: #235768; border-color: #235768; color: #fff; text-align: center; }
.ariannaButton.btnPrimary:hover { background: #193f4d; }
.ariannaTextLink { color: #235768; font-weight: 700; text-underline-offset: 4px; }
.ariannaBack { display: inline-block; margin: 24px 0; color: #235768; text-underline-offset: 4px; }
.ariannaHero { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); align-items: center; gap: 56px; padding: 48px; }
.ariannaCoverStage { width: 100%; max-width: 320px; margin: auto; }
.ariannaIntro h1 { font-size: clamp(40px, 5.5vw, 64px); margin: 0 0 18px; }
.ariannaAuthor { margin: 24px 0; font-size: 15px; }
.ariannaAuthor span, .ariannaClosing span { color: #526870; }
.ariannaLead { font-family: Georgia, "Times New Roman", serif; font-size: 24px; line-height: 1.5; }
.ariannaIntro .ariannaActions { margin-top: 28px; }
.ariannaDescription { max-width: 760px; margin: 64px auto; scroll-margin-top: 130px; }
.ariannaDescription h2 { margin: 0 0 28px; font-size: clamp(30px, 4vw, 40px); }
.ariannaDescription > p:not(.ariannaEyebrow) { font-size: 18px; line-height: 1.85; margin: 0 0 24px; }
.ariannaClosing { border-top: 1px solid #d7e4e5; margin-top: 36px; padding-top: 28px; }
.ariannaClosing p { font-weight: 700; }
.ariannaSrOnly { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.ariannaPage a:focus-visible, .ariannaBanner a:focus-visible { outline: 3px solid #a44c22; outline-offset: 5px; }
@media (max-width: 700px) {
  .ariannaBanner { grid-template-columns: 100px minmax(0, 1fr); gap: 22px; padding: 24px; }
  .ariannaBannerText { font-size: 14px; }
  .ariannaHero { grid-template-columns: 1fr; gap: 36px; padding: 30px 24px; }
  .ariannaCoverStage { max-width: 230px; }
  .ariannaDescription { margin: 40px auto; }
}
@media (max-width: 460px) {
  .ariannaBanner { grid-template-columns: 1fr; text-align: center; }
  .ariannaBannerCover { width: 130px; margin: auto; }
  .ariannaBanner .ariannaActions { justify-content: center; }
  .ariannaIntro h1 { font-size: 40px; }
}