/* DEALING WITH SEA · stile logbook */
:root {
  --carta: #f6f2ea;
  --carta-2: #ede6d8;
  --inchiostro: #1c2633;
  --tenue: #5f6b78;
  --riga: #d6cdbb;
  --mare: #0a6a9e;
  --mare-vivo: #00aaff;
  --notte: #0e1a28;
  --notte-testo: #e9eef4;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --colonna: 42rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --carta: #0f1722;
    --carta-2: #172231;
    --inchiostro: #e4e0d6;
    --tenue: #98a3b0;
    --riga: #2b3a4c;
    --mare: #5cc3ff;
    --notte: #08111b;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --carta: #0f1722; --carta-2: #172231; --inchiostro: #e4e0d6; --tenue: #98a3b0;
  --riga: #2b3a4c; --mare: #5cc3ff; --notte: #08111b; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--carta);
  color: var(--inchiostro);
  font: 1.125rem/1.7 var(--serif);
  overflow-wrap: break-word;
}
a { color: var(--mare); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--mare-vivo); outline-offset: 3px; }

/* ---- testata */
.testata { background: var(--notte); color: var(--notte-testo); border-bottom: 3px double var(--mare-vivo); }
.testata-in {
  max-width: 64rem; margin: 0 auto; padding: 1.1rem 1rem;
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .6rem 1.5rem;
}
.marchio { color: inherit; text-decoration: none; display: flex; flex-direction: column; }
.marchio .nome { font: 700 1.35rem/1.1 var(--sans); letter-spacing: .14em; color: var(--mare-vivo); }
.marchio .motto { font: italic .95rem/1.4 var(--serif); color: #b9c6d3; margin-top: .2rem; }
.menu { display: flex; flex-wrap: wrap; gap: .2rem 1.2rem; font: 500 .95rem/1.4 var(--sans); }
.menu a { color: var(--notte-testo); text-decoration: none; padding: .2rem 0; border-bottom: 2px solid transparent; }
.menu a:hover, .menu a[aria-current="page"] { border-bottom-color: var(--mare-vivo); }

main { padding: 0 1rem; }

/* ---- articoli */
.voce, .indice, .intro { max-width: var(--colonna); margin: 2.5rem auto; }
.larga { max-width: 64rem; }
h1, h2 { font-family: var(--sans); line-height: 1.2; letter-spacing: .01em; }
h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); margin: .2rem 0 1rem; }
h2 { font-size: 1.25rem; margin: 2.5rem 0 1rem; }
.briciole, .sotto { font: .85rem/1.4 var(--sans); color: var(--tenue); margin: 0; }
.briciole a { color: var(--tenue); }
.sotto { margin: -.5rem 0 1.5rem; }
.testo p { margin: 0 0 1.1em; }
.testo strong { font-weight: 700; }

/* riquadro del giornale di bordo */
.log {
  display: flex; flex-wrap: wrap;
  margin: 0 0 2rem; border-top: 3px double var(--riga); border-bottom: 3px double var(--riga);
  background: var(--carta-2);
}
.log div { flex: 1 1 auto; padding: .5rem .7rem; box-shadow: 1px 0 0 var(--riga); }
.log dt { font: 600 .68rem/1.3 var(--sans); text-transform: uppercase; letter-spacing: .12em; color: var(--tenue); }
.log dd { margin: .15rem 0 0; font: .88rem/1.4 var(--mono); white-space: nowrap; }

/* foto */
.foto { margin: 0; }
.foto a { display: block; cursor: zoom-in; }
.foto img { border-radius: 2px; }
.foto figcaption { font: italic .9rem/1.4 var(--serif); color: var(--tenue); margin-top: .4rem; }
.foto-testo { margin: .3rem 0 1.4rem; max-width: 22rem; }
.galleria { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr)); gap: .6rem; margin: 1.5rem 0; }
.galleria img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.rotta { max-width: 64rem; margin: 2rem auto 0; }
.rotta img { width: 100%; border-radius: 3px; }
.rotta figcaption { font: .85rem/1.4 var(--sans); color: var(--tenue); margin-top: .5rem; text-align: center; }

.rimando, .azione { font-family: var(--sans); font-size: 1rem; }
.azione a {
  display: inline-block; padding: .6rem 1.2rem; border: 2px solid var(--mare); border-radius: 3px;
  text-decoration: none; font-weight: 600;
}
.azione a:hover { background: var(--mare); color: var(--carta); }
.contatto { font: 1.2rem/1.5 var(--mono); }

/* sfoglia precedente / successivo */
.sfoglia {
  max-width: var(--colonna); margin: 0 auto 3rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  border-top: 1px solid var(--riga); padding-top: 1rem; font-family: var(--sans);
}
.sfoglia a { text-decoration: none; display: flex; flex-direction: column; font-weight: 600; }
.sfoglia span { font: 400 .75rem/1.4 var(--sans); text-transform: uppercase; letter-spacing: .1em; color: var(--tenue); }
.sfoglia .succ { text-align: right; }

/* commenti */
.commenti ol { list-style: none; padding: 0; margin: 0; }
.commenti li { border-left: 3px solid var(--riga); padding: .2rem 0 .2rem 1rem; margin-bottom: 1.2rem; font-size: 1rem; }
.commenti .chi { font: .85rem/1.4 var(--sans); color: var(--tenue); margin: 0 0 .3rem; }
.commenti p { margin: 0; }

/* indice del Log Book */
.elenco { list-style: none; margin: 0; padding: 0; border-top: 3px double var(--riga); }
.elenco li { border-bottom: 1px solid var(--riga); }
.elenco a {
  display: grid; grid-template-columns: 4.2rem 1fr; column-gap: .8rem; padding: .7rem .2rem;
  text-decoration: none; color: var(--inchiostro);
}
.elenco a:hover { background: var(--carta-2); }
.elenco .q { grid-row: span 2; font: .85rem/1.5 var(--mono); color: var(--tenue); padding-top: .15rem; }
.elenco .t { font: 600 1.05rem/1.4 var(--sans); color: var(--mare); }
.elenco .d { font: .82rem/1.5 var(--mono); color: var(--tenue); }
.elenco .tappa a { grid-template-columns: 1fr; background: var(--carta-2); border-left: 4px solid var(--mare-vivo); padding-left: .8rem; }
.elenco .tappa .t { color: var(--inchiostro); text-transform: uppercase; letter-spacing: .08em; font-size: .9rem; }

/* schede: gallerie e Intro */
.schede, .intro ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.schede { grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); }
.schede a, .intro a { display: flex; flex-direction: column; gap: .3rem; text-decoration: none; color: var(--inchiostro); }
.schede img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; border-radius: 2px; }
.schede .t, .intro .t { font: 600 1rem/1.35 var(--sans); color: var(--mare); }
.schede .d, .intro .d { font: .85rem/1.5 var(--sans); color: var(--tenue); }
.intro ul { grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); }
.intro a { border-top: 3px double var(--riga); padding-top: .7rem; }

/* piede */
.piede {
  border-top: 1px solid var(--riga); margin-top: 3rem; padding: 1.5rem 1rem 2.5rem; text-align: center;
  font: .85rem/1.6 var(--sans); color: var(--tenue);
}
.piede p { margin: .3rem 0; }
.piede a { color: var(--tenue); }
.piede-intro span { text-transform: uppercase; letter-spacing: .1em; margin-right: .4rem; }
.versione { font-family: var(--mono); }

/* lightbox */
.lb {
  position: fixed; inset: 0; z-index: 10; background: rgba(5, 10, 16, .94);
  display: flex; align-items: center; justify-content: center; padding: 3rem 1rem;
}
.lb[hidden] { display: none; }
.lb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.lb button {
  position: absolute; background: none; border: 0; color: #fff; font: 2rem/1 var(--sans);
  padding: .6rem .9rem; cursor: pointer; opacity: .8;
}
.lb button:hover { opacity: 1; }
.lb .chiudi { top: .3rem; right: .3rem; }
.lb .prec { left: .2rem; top: 50%; transform: translateY(-50%); }
.lb .succ { right: .2rem; top: 50%; transform: translateY(-50%); }
.lb .conta { position: absolute; bottom: .8rem; left: 0; right: 0; text-align: center; color: #c7d0da; font: .85rem var(--mono); }

@media (max-width: 34rem) {
  body { font-size: 1.05rem; }
  .log div { flex-basis: 45%; box-shadow: 0 1px 0 var(--riga); }
  .log dd { white-space: normal; }
  .sfoglia { grid-template-columns: 1fr; }
  .sfoglia .succ { text-align: left; }
}