:root {
  --bg: #14161d;
  --bg-raised: #1a1e28;
  --surface: #202634;
  --surface-soft: #232a39;
  --text: #ede8dc;
  --text-muted: #b0aa9b;
  --heading: #f4efe4;
  --accent: #d9b36c;
  --accent-strong: #e9cc92;
  --accent-contrast: #241c0c;
  --line: #333c4e;
  --link: #e4c58c;
  --star: #d9b36c;
  --star-empty: #4a5266;
  --focus: #e9cc92;
  --placeholder: #c99a5b;
  --shadow: #0a0c10;
  --overlay: #101218;

  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;

  --max: 72rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

:root[data-theme="light"] {
  --bg: #f5f1e8;
  --bg-raised: #efe9dc;
  --surface: #ffffff;
  --surface-soft: #f8f4ea;
  --text: #2a2721;
  --text-muted: #5c574b;
  --heading: #211e18;
  --accent: #7a5a1e;
  --accent-strong: #6b4d15;
  --accent-contrast: #fdf8ec;
  --line: #d8d1bf;
  --link: #6b4d15;
  --star: #8a6524;
  --star-empty: #c9c0aa;
  --focus: #6b4d15;
  --placeholder: #7a5a1e;
  --shadow: #c9c0aa;
  --overlay: #efe9dc;
}


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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--heading);
  font-weight: 500;
  line-height: 1.15;
  margin: 0;
}

p { margin: 0 0 1em; }

a {
  color: var(--link);
  text-underline-offset: 0.18em;
}

a:hover { color: var(--accent-strong); }

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}


[data-lang] { display: none; }
html[lang="it"] [data-lang="it"] { display: revert; }
html[lang="en"] [data-lang="en"] { display: revert; }


.wrap {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.2rem;
}

.placeholder {
  color: var(--placeholder);
}


.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  padding-block: 0.9rem;
}

.brand {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--heading);
  text-decoration: none;
  margin-right: auto;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.site-nav a:hover { color: var(--accent-strong); }

.controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.control-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
}

.control-btn:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.lang-switch button {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  background: transparent;
  color: var(--text-muted);
  border: 0;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}

.lang-switch button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-contrast);
}


.apertura {
  padding-block: clamp(3.5rem, 9vw, 7rem) clamp(2.5rem, 6vw, 4rem);
}

.apertura h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.9rem);
  max-width: 20ch;
  margin-bottom: 1.6rem;
}

.apertura .lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 62ch;
  color: var(--text-muted);
}

.cta-indice {
  display: inline-block;
  margin-top: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--accent-contrast);
  background: var(--accent);
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  text-decoration: none;
}

.cta-indice:hover {
  background: var(--accent-strong);
  color: var(--accent-contrast);
}

.apertura figure {
  margin: clamp(2.5rem, 6vw, 4rem) 0 0;
}

.apertura img {
  width: 100%;
  max-height: 34rem;
  object-fit: cover;
  border-radius: 0.5rem;
}

figcaption {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.7rem;
  font-style: italic;
}


section {
  padding-block: clamp(3rem, 8vw, 6rem);
  border-top: 1px solid var(--line);
  scroll-margin-top: 4.5rem;
}

section:first-of-type { border-top: 0; }

.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  margin-bottom: 1rem;
}

.section-intro {
  max-width: 62ch;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}


.scheda-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.scheda-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.scheda-code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.12em;
}

.scheda-card h3 {
  font-size: 1.15rem;
  line-height: 1.35;
}

.scheda-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  display: grid;
  gap: 0.35rem;
}

.scheda-meta strong {
  color: var(--text);
  font-weight: 600;
}

.stars {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line);
}

.stars .glyphs {
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  color: var(--star-empty);
}

.stars .glyphs .on { color: var(--star); }

.stars .label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.nota-demo {
  margin-top: 2rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
}


.specie-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 1.25rem;
  list-style: none;
  margin: 0 0 2.5rem;
  padding: 0;
}

.specie-grid figure { margin: 0; }

.specie-grid img {
  width: 100%;
  aspect-ratio: 3 / 3.6;
  object-fit: cover;
  border-radius: 0.5rem;
}

.specie-grid figcaption {
  font-style: normal;
  font-size: 0.88rem;
}

.specie-grid figcaption strong {
  color: var(--heading);
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.05rem;
}


.separatore {
  margin: 0;
}

.separatore img {
  width: 100%;
  max-height: 26rem;
  object-fit: cover;
}


.full-bleed {
  margin: clamp(2.5rem, 6vw, 4rem) 0 0;
}

.full-bleed img {
  width: 100%;
  max-height: 30rem;
  object-fit: cover;
}

.full-bleed figcaption {
  margin-top: 0.7rem;
}


.anatomia {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.anatomia-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem 1.5rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.anatomia dl {
  margin: 0;
  display: grid;
  gap: 1.4rem;
}

.anatomia dt {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.anatomia dd {
  margin: 0;
  max-width: 68ch;
}

.anatomia dd p { margin-bottom: 0.5em; }

.btn-stampa {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.6rem 1.3rem;
  cursor: pointer;
}

.btn-stampa:hover {
  background: var(--accent);
  color: var(--accent-contrast);
}


.ambiti-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  gap: 0;
  list-style: none;
  margin: 0 0 3rem;
  padding: 0;
  border-top: 1px solid var(--line);
}

.ambiti-grid li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.4rem 1rem 1.4rem 0;
  border-bottom: 1px solid var(--line);
}

.ambito-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  padding-top: 0.25rem;
}

.ambiti-grid h3 {
  font-size: 1.12rem;
  margin-bottom: 0.35rem;
}

.ambiti-grid p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.ambiti-figure {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 1.25rem;
  margin: 0;
}

.ambiti-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 0.5rem;
}


.metodo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
  max-width: 68ch;
  counter-reset: principio;
}

.metodo-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  counter-increment: principio;
}

.metodo-list li::before {
  content: counter(principio, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  padding-top: 0.2rem;
}

.metodo-list h3 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.metodo-list p {
  color: var(--text-muted);
  margin: 0;
}


.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-raised);
  padding-block: clamp(2.5rem, 6vw, 4rem) 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: 2rem;
}

.site-footer h2 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.site-footer h3 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.site-footer p,
.site-footer li {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.nota-ets {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}


@media (max-width: 48rem) {
  .site-header .wrap { padding-block: 0.7rem; }
  .brand { font-size: 1.1rem; }
}


@media print {
  :root {
    --bg: #ffffff;
    --bg-raised: #ffffff;
    --surface: #ffffff;
    --surface-soft: #ffffff;
    --text: #1a1a1a;
    --text-muted: #444444;
    --heading: #000000;
    --accent: #6b4d15;
    --accent-strong: #6b4d15;
    --accent-contrast: #ffffff;
    --line: #999999;
    --link: #1a1a1a;
    --star: #1a1a1a;
    --star-empty: #999999;
    --focus: #1a1a1a;
    --placeholder: #6b4d15;
    --shadow: #ffffff;
    --overlay: #ffffff;
  }

  html[lang] [data-lang] { display: none; }
  html[lang="it"] [data-lang="it"] { display: revert; }
  html[lang="en"] [data-lang="en"] { display: revert; }

  .site-header,
  .controls,
  .cta-indice,
  .btn-stampa,
  .skip-link,
  .apertura figure,
  .ambiti-figure,
  .specie-grid,
  .full-bleed,
  .separatore {
    display: none !important;
  }

  body {
    background: var(--bg);
    font-size: 11pt;
  }

  section {
    border-top: 1px solid var(--line);
    padding-block: 1.2rem;
  }

  .scheda-card,
  .anatomia {
    break-inside: avoid;
    border: 1px solid var(--line);
  }

  a { text-decoration: none; }
}

.brand { display: inline-flex; align-items: center; gap: 0.55rem; }
.brand-marchio { width: 44px; height: 44px; display: block; flex: 0 0 auto; }
@media (max-width: 720px) { .brand-marchio { width: 34px; height: 34px; } }