/* =========================================================================
   Marini Simone — Apps & Shots
   Foglio di stile unico. Mobile-first, nessuna dipendenza esterna.
   Indice:
     1. Token e temi
     2. Reset e base
     3. Layout (container, section, grid)
     4. Header e navigazione
     5. Bottoni e badge
     6. Hero
     7. Card e liste
     8. Prose (articoli e pagine di testo)
     9. Footer
    10. Utility
   ========================================================================= */

/* ---------------------------------------- 1. Token e temi --------------- */
:root {
  color-scheme: light dark;

  /* Palette editoriale: blu inchiostro, grigi freddi, accento corallo */
  --brand-900: #101827;
  --brand-800: #17243a;
  --brand-700: #213653;
  --brand-600: #315574;
  --brand-500: #527b92;
  --brand-400: #87a9b7;
  --brand-300: #bfd2d7;
  --gold: #e4493f;

  /* Token semantici — tema chiaro */
  --bg: #f3f5f7;
  --bg-soft: #e8ecf0;
  --surface: #ffffff;
  --surface-alt: #edf1f4;
  --border: #d3dae1;
  --text: #182130;
  --text-muted: #626b76;
  --accent: #c8322c;
  --accent-hover: #a52823;
  --accent-soft: rgba(200, 50, 44, 0.11);
  --on-accent: #ffffff;
  --shadow-sm: 0 1px 2px rgba(16, 24, 39, 0.05), 0 6px 18px rgba(16, 24, 39, 0.04);
  --shadow-md: 0 10px 30px rgba(16, 24, 39, 0.09), 0 2px 6px rgba(16, 24, 39, 0.05);

  /* ---- Tinte tematiche (icone e badge) — tema chiaro ----
     Ogni argomento del sito ha la sua tinta. Le coppie "ink" (tratto) e
     "bg" (sfondo tenue) sono ridefinite più sotto per il tema scuro,
     così le classi .tinta-* restano scritte una volta sola.            */
  --ink-teal: #356673;   --bg-teal: rgba(53, 102, 115, 0.11);
  --ink-viola: #665c7a;  --bg-viola: rgba(102, 92, 122, 0.11);
  --ink-ambra: #986139;  --bg-ambra: rgba(152, 97, 57, 0.12);
  --ink-verde: #4e6f5d;  --bg-verde: rgba(78, 111, 93, 0.12);
  --ink-rosa: #a4534b;   --bg-rosa: rgba(164, 83, 75, 0.11);
  --ink-blu: #3e6382;    --bg-blu: rgba(62, 99, 130, 0.11);

  /* Misure */
  --radius: 18px;
  --radius-sm: 10px;
  --radius-lg: 28px;
  --maxw: 1180px;
  --maxw-prose: 68ch;
  --header-h: 72px;

  --font-sans: Inter, "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
  --font-mono: "Cascadia Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
}

:root[data-theme="light"] { color-scheme: light; }

/* Tema scuro: automatico dal sistema… */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #101827;
    --bg-soft: #151f30;
    --surface: #192538;
    --surface-alt: #202d41;
    --border: #324057;
    --text: #f3eee5;
    --text-muted: #aeb7c3;
    --accent: #ff746a;
    --accent-hover: #ff9a93;
    --accent-soft: rgba(255, 116, 106, 0.14);
    --on-accent: #1d1110;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.45);

    /* Tinte schiarite: su fondo scuro servono più luminose per restare leggibili */
    --ink-teal: #8fbcc5;   --bg-teal: rgba(143, 188, 197, 0.14);
    --ink-viola: #b3a8c7;  --bg-viola: rgba(179, 168, 199, 0.14);
    --ink-ambra: #d7a77f;  --bg-ambra: rgba(215, 167, 127, 0.14);
    --ink-verde: #9bbca8;  --bg-verde: rgba(155, 188, 168, 0.14);
    --ink-rosa: #dda29a;   --bg-rosa: rgba(221, 162, 154, 0.14);
    --ink-blu: #97b4ce;    --bg-blu: rgba(151, 180, 206, 0.14);
  }
}

/* …oppure forzato dal pulsante nell'header */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101827;
  --bg-soft: #151f30;
  --surface: #192538;
  --surface-alt: #202d41;
  --border: #324057;
  --text: #f3eee5;
  --text-muted: #aeb7c3;
  --accent: #ff746a;
  --accent-hover: #ff9a93;
  --accent-soft: rgba(255, 116, 106, 0.14);
  --on-accent: #1d1110;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.45);

  --ink-teal: #8fbcc5;   --bg-teal: rgba(143, 188, 197, 0.14);
  --ink-viola: #b3a8c7;  --bg-viola: rgba(179, 168, 199, 0.14);
  --ink-ambra: #d7a77f;  --bg-ambra: rgba(215, 167, 127, 0.14);
  --ink-verde: #9bbca8;  --bg-verde: rgba(155, 188, 168, 0.14);
  --ink-rosa: #dda29a;   --bg-rosa: rgba(221, 162, 154, 0.14);
  --ink-blu: #97b4ce;    --bg-blu: rgba(151, 180, 206, 0.14);
}

/* Le classi di tinta: scritte una volta, valide in entrambi i temi. */
.tinta-teal  { --ico: var(--ink-teal);  --ico-bg: var(--bg-teal); }
.tinta-viola { --ico: var(--ink-viola); --ico-bg: var(--bg-viola); }
.tinta-ambra { --ico: var(--ink-ambra); --ico-bg: var(--bg-ambra); }
.tinta-verde { --ico: var(--ink-verde); --ico-bg: var(--bg-verde); }
.tinta-rosa  { --ico: var(--ink-rosa);  --ico-bg: var(--bg-rosa); }
.tinta-blu   { --ico: var(--ink-blu);   --ico-bg: var(--bg-blu); }

/* ---------------------------------------- 2. Reset e base -------------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: radial-gradient(circle at 15% 0%, rgba(49, 85, 116, 0.045), transparent 34rem);
}

img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1, h2 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.035em;
}
h1 { font-size: clamp(2.35rem, 6vw, 4.65rem); }
h2 { font-size: clamp(1.75rem, 3.8vw, 2.65rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.35rem); }

p { text-wrap: pretty; }

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--accent-hover); }

ul, ol { padding-left: 1.25rem; }

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

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--accent);
  color: var(--on-accent);
  padding: 0.7rem 1.1rem;
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; color: var(--on-accent); }

/* ---------------------------------------- 3. Layout -------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

main { flex: 1 0 auto; }

.section { padding-block: clamp(2.75rem, 7vw, 4.75rem); }
.section--soft {
  background: var(--bg-soft);
  border-block: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
}
.section--tight { padding-block: clamp(2rem, 5vw, 3rem); }

.section-head {
  max-width: 60ch;
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}
.section-head p {
  color: var(--text-muted);
  margin-top: 0.6rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 265px), 1fr));
}
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); }

.stack > * + * { margin-top: 1rem; }

/* ---------------------------------------- 4. Header e navigazione ------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .site-header { background: var(--bg); }
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-right: auto;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
}
.brand-logo-frame,
.footer-logo-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(16, 24, 39, 0.12);
  border-radius: 12px;
  box-shadow: 0 5px 14px rgba(16, 24, 39, 0.13);
}
.brand-logo-frame {
  width: 58px;
  height: 40px;
  flex: 0 0 58px;
}
.brand-logo {
  position: absolute;
  top: 50%;
  left: 0;
  width: 170px;
  max-width: none;
  height: auto;
  transform: translateY(-50%);
}

/* Selettore di lingua: stessa forma dei pulsanti dell'header, con la sigla */
.lingua-toggle {
  display: inline-grid;
  place-items: center;
  min-width: 42px;
  height: 42px;
  padding-inline: 0.55rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  flex: 0 0 auto;
}
.lingua-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* Avviso "questa pagina non è ancora tradotta" */
.avviso-lingua {
  max-width: var(--maxw);
  margin: 1.25rem auto 0;
  padding: 0.7rem 1.1rem;
  background: var(--bg-ambra);
  color: var(--ink-ambra);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  width: calc(100% - 2.5rem);
}

.nav-toggle,
.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  flex: 0 0 auto;
}
.nav-toggle:hover,
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.nav-toggle svg,
.theme-toggle svg { width: 20px; height: 20px; }

.theme-toggle .icon-dark { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-dark { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-light { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-dark { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-light { display: none; }
}

.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.site-nav {
  position: absolute;
  inset-inline: 0;
  top: 100%;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  display: none;
}
.site-nav[data-open="true"] { display: block; }

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0.5rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
}
.site-nav a {
  display: block;
  padding: 0.7rem 0.25rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.site-nav li:last-child a { border-bottom: 0; }
.site-nav a:hover { color: var(--accent); }
.site-nav a[aria-current="page"] { color: var(--accent); }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .brand-logo-frame { width: 170px; flex-basis: 170px; }
  .site-nav {
    position: static;
    display: block;
    background: none;
    border: 0;
    box-shadow: none;
  }
  .site-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 0.35rem;
    padding: 0;
  }
  .site-nav a {
    border: 0;
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius-sm);
  }
  .site-nav a:hover { background: var(--accent-soft); }
  .site-nav a[aria-current="page"] { background: var(--accent-soft); }
}

/* ---------------------------------------- 5. Bottoni e badge ----------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 18px; height: 18px; }

.btn--primary {
  background: var(--accent);
  color: var(--on-accent);
}
.btn--primary:hover {
  background: var(--accent-hover);
  color: var(--on-accent);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
/* Badge nella tinta della categoria */
.badge--tecnologia { background: var(--bg-teal);  color: var(--ink-teal); }
.badge--sviluppo   { background: var(--bg-viola); color: var(--ink-viola); }
.badge--fotografia { background: var(--bg-ambra); color: var(--ink-ambra); }
.badge--aviazione  { background: var(--bg-verde); color: var(--ink-verde); }
.badge--personale  { background: var(--bg-rosa);  color: var(--ink-rosa); }
.badge--app        { background: var(--bg-blu);   color: var(--ink-blu); }

.badge--gold {
  background: rgba(233, 168, 37, 0.16);
  color: #a06d00;
}
.badge--future {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
}
:root[data-theme="dark"] .badge--gold { color: var(--gold); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .badge--gold { color: var(--gold); }
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

/* Quando il badge è un link alla categoria */
a.badge { text-decoration: none; }
a.badge:hover { filter: brightness(0.94); }

/* ---------------------------------------- 6. Hero --------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3.5rem, 9vw, 7.5rem);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--border) 36%, transparent) 1px, transparent 1px),
    linear-gradient(color-mix(in srgb, var(--border) 36%, transparent) 1px, transparent 1px),
    radial-gradient(65% 90% at 88% 12%, var(--bg-blu), transparent 72%),
    linear-gradient(180deg, var(--surface), var(--bg));
  background-size: 48px 48px, 48px 48px, auto, auto;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}
@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1.15fr 0.85fr; }
}

.hero h1 { margin-bottom: 0.9rem; }
.hero-lead {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 52ch;
  margin-bottom: 1.6rem;
}

.hero-board {
  position: relative;
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: var(--brand-900);
  color: #f7f1e7;
  box-shadow: 0 28px 70px rgba(16, 24, 39, 0.23);
  transform: rotate(1.5deg);
}
.hero-board::before {
  content: "";
  position: absolute;
  inset: 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: calc(var(--radius-lg) - 8px);
  pointer-events: none;
}
.hero-board__top,
.hero-signal,
.hero-board > p { position: relative; z-index: 1; }
.hero-board__top {
  display: flex;
  justify-content: space-between;
  padding: 0.7rem 0.8rem 1rem;
  color: #aab5c4;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
.live-dot { color: #b7d6be; }
.live-dot::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 0.45rem; border-radius: 50%; background: #7fb68b; }
.hero-signal {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: center;
  gap: 0.8rem;
  min-height: 74px;
  padding: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
}
.hero-signal > span:first-child {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #ff9b7e;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.hero-signal small { display: block; color: #8996a8; font: 0.64rem/1 var(--font-mono); letter-spacing: 0.13em; }
.hero-signal strong { display: block; margin-top: 0.28rem; font-size: 0.95rem; }
.hero-signal > span:last-child { color: #68768b; font: 0.72rem/1 var(--font-mono); }
.hero-board > p { padding: 1rem 0.8rem 0.65rem; color: #aab5c4; font-size: 0.82rem; }

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  text-align: center;
}
.hero-card img { margin-inline: auto; }
.hero-card p {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------------------------------------- 7. Card e liste ------------- */
.card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.55rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.card h3 { margin: 0; }
.card p {
  color: var(--text-muted);
  font-size: 0.97rem;
  margin: 0;
}
.card > :last-child { margin-top: auto; }

.card--link:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.card--link a.card-title-link {
  color: var(--text);
  text-decoration: none;
}
.card--link:hover a.card-title-link { color: var(--accent); }

/* L'icona prende la tinta dalla classe .tinta-* sull'elemento (o su un antenato);
   senza tinta ricade sull'accento del sito. */
.card-icon {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--ico-bg, var(--accent-soft));
  color: var(--ico, var(--accent));
  transition: transform 0.18s ease;
}
.card-icon svg { width: 26px; height: 26px; }
.card--link:hover .card-icon,
.card:hover .card-icon { transform: scale(1.06) rotate(-3deg); }

/* Il bordo della card in hover segue la tinta dell'icona */
.card--link:hover { border-color: var(--ico, var(--accent)); }

.card-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 650;
  text-decoration: none;
  font-size: 0.95rem;
}
.arrow-link::after {
  content: "→";
  transition: transform 0.15s ease;
}
.arrow-link:hover::after { transform: translateX(3px); }

/* Elenco articoli del blog */
.post-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}
.post-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.post-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.post-item h3 { margin-bottom: 0.35rem; }
.post-item h3 a {
  color: var(--text);
  text-decoration: none;
}
.post-item:hover h3 a { color: var(--accent); }
.post-item p {
  color: var(--text-muted);
  margin: 0.5rem 0 0.9rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}
.filter-btn {
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
/* Il filtro del blog ora è fatto di link (una pagina per categoria),
   quindi lo stato attivo si esprime con aria-current. */
a.filter-btn { text-decoration: none; }
.filter-btn[aria-pressed="true"],
.filter-btn[aria-current="page"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

/* Blocco app in evidenza */
.app-showcase {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow-sm);
}
@media (min-width: 820px) {
  .app-showcase { grid-template-columns: 0.9fr 1.1fr; }
}
.app-visual {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  background: linear-gradient(140deg, var(--brand-800), var(--brand-500));
  color: #fff;
  text-align: center;
  padding: 1.5rem;
}
.app-visual svg { width: 64px; height: 64px; }
.app-visual strong {
  display: block;
  margin-top: 0.75rem;
  font-size: 1.1rem;
}
.app-visual small { opacity: 0.85; }

.feature-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}
.feature-list li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}
.feature-list li::before {
  content: "✓";
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 0.15rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

/* Galleria degli screenshot dell'app */
.screens {
  display: grid;
  gap: 1.5rem;
  /* 150px come minimo: le 5 schermate stanno in fila su desktop e a due su telefono */
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
}
.screens figure {
  margin: 0;
  text-align: center;
}
.screens img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease;
}
.screens a:hover img,
.screens a:focus-visible img { transform: translateY(-4px) scale(1.01); }
.screens figcaption {
  margin-top: 0.7rem;
  font-size: 0.9rem;
  font-weight: 650;
  color: var(--text-muted);
}

/* Schermata singola usata come immagine di presentazione */
.screen-hero {
  display: grid;
  place-items: center;
  padding: clamp(1rem, 3vw, 1.75rem);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 100% at 50% 0%, var(--bg-blu), transparent 70%),
    linear-gradient(160deg, var(--brand-800), var(--brand-600));
}
.screen-hero img {
  width: min(100%, 260px);
  height: auto;
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

/* Progetti Android: card editoriali per concept e roadmap */
.home-projects,
.project-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
}
.home-project {
  position: relative;
  min-height: 290px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1.5rem;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.home-project::after {
  content: "";
  position: absolute;
  right: -38px;
  bottom: -48px;
  width: 150px;
  height: 150px;
  border: 32px solid var(--ico-bg, var(--accent-soft));
  border-radius: 50%;
}
.home-project > * { position: relative; z-index: 1; }
.home-project__number,
.project-number {
  color: var(--ico, var(--accent));
  font: 0.75rem/1 var(--font-mono);
  letter-spacing: 0.1em;
}
.home-project h3 { margin-top: auto; font-family: var(--font-display); font-size: 1.55rem; }
.home-project p { color: var(--text-muted); }

.project-list { display: grid; gap: 1.25rem; }
.project-card {
  display: grid;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.project-content { display: flex; flex-direction: column; align-items: flex-start; gap: 0.9rem; padding: clamp(1.4rem, 3vw, 2.25rem); }
.project-content h3 { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.35rem); }
.project-content > p:not(.project-kicker):not(.project-status) { color: var(--text-muted); }
.project-kicker {
  margin: 0.35rem 0 -0.5rem;
  color: var(--ico, var(--accent));
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.project-preview {
  position: relative;
  min-height: 320px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, var(--ico-bg, var(--bg-blu)), transparent 40%),
    var(--brand-900);
}
.project-preview .project-number { position: absolute; top: 1.4rem; left: 1.4rem; color: #9fabbc; }
.project-preview img {
  width: min(48%, 220px);
  margin-top: 3rem;
  border-radius: 20px 20px 0 0;
  box-shadow: 0 25px 55px rgba(0, 0, 0, 0.4);
}
.project-symbol {
  position: relative;
  min-height: 190px;
  display: grid;
  place-items: center;
  background: var(--ico-bg, var(--surface-alt));
  color: var(--ico, var(--accent));
}
.project-symbol .project-number { position: absolute; top: 1.25rem; left: 1.25rem; }
.project-symbol svg { width: 82px; height: 82px; }
.project-status {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: auto;
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 650;
}
.project-status span { width: 8px; height: 8px; border-radius: 50%; background: var(--ico, var(--accent)); }
@media (min-width: 820px) {
  .project-card--large { grid-template-columns: 0.9fr 1.1fr; }
  .project-preview { min-height: 480px; }
}

.section-head--split { max-width: none; display: grid; gap: 1rem 3rem; }
.section-head--split p { max-width: 52ch; }
@media (min-width: 760px) {
  .section-head--split { grid-template-columns: 1fr 1fr; align-items: end; }
}
.principle-grid { display: grid; gap: 2rem 4rem; align-items: start; }
.steps { list-style: none; padding: 0; display: grid; gap: 0; border-top: 1px solid var(--border); }
.steps li { display: grid; grid-template-columns: 44px 1fr; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--border); }
.steps li > span { color: var(--accent); font: 0.75rem/1.6 var(--font-mono); }
.steps strong { display: block; }
.steps p { margin-top: 0.15rem; color: var(--text-muted); font-size: 0.92rem; }
@media (min-width: 820px) { .principle-grid { grid-template-columns: 1fr 1fr; } }
.callout { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.callout h2 { max-width: 17ch; }

/* Informative: indice laterale leggibile anche su pagine lunghe */
.legal-layout { display: grid; gap: 2rem 4rem; align-items: start; }
.legal-nav { margin: 0; }
.legal-draft { max-width: var(--maxw-prose); margin-bottom: 2rem; }
.captcha-field {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
}
.captcha-field legend { padding: 0 0.35rem; font-weight: 700; }
.captcha-field input[type="text"] { max-width: 10rem; }
@media (min-width: 900px) {
  .legal-layout { grid-template-columns: minmax(220px, 0.36fr) minmax(0, 1fr); }
  .legal-nav { position: sticky; top: calc(var(--header-h) + 1.5rem); }
}

/* Galleria di aviazione (pagina Aviazione, archivio PHP locale) */
.galleria-aviazione {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}
.scatto {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.scatto:hover {
  transform: translateY(-3px);
  border-color: var(--ink-verde);
  box-shadow: var(--shadow-md);
}
.scatto img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  background: var(--surface-alt);
}
.scatto figcaption { padding: 1.1rem 1.25rem 1.35rem; }
.scatto-titolo {
  display: block;
  font-size: 1.05rem;
  line-height: 1.3;
  margin-bottom: 0.7rem;
}
.scatto-dati {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}
.scatto-dati li {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}
.scatto-dati span[aria-hidden] {
  flex: 0 0 1.1rem;
  color: var(--ink-verde);
}
.scatto-dati .marche {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.05rem 0.45rem;
  border-radius: 5px;
  background: var(--bg-verde);
  color: var(--ink-verde);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.scatto-tecnica { font-family: var(--font-mono); font-size: 0.84rem; }
.scatto-note {
  margin: 0.85rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
  font-size: 0.93rem;
  color: var(--text-muted);
}

/* Avviso "sezione in allestimento" */
.avviso-lavori {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--ink-verde);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: var(--shadow-sm);
}
.avviso-lavori > div:last-child { flex: 1 1 260px; }
.avviso-lavori h2 { font-size: clamp(1.15rem, 2.4vw, 1.4rem); }
.avviso-lavori p { margin-top: 0.5rem; }

/* Immagine di copertina di un articolo */
.articolo-copertina {
  margin: 0 0 2rem;
  max-width: var(--maxw-prose);
}
.articolo-copertina img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* Paginazione del blog */
.paginazione {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.5rem;
}

/* ---------------------------------------- 8. Prose ------------------- */
.page-head {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.75rem, 7vw, 5rem) clamp(2rem, 4vw, 3rem);
  background:
    radial-gradient(55% 130% at 100% 0%, var(--bg-blu), transparent 70%),
    var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.page-head::after {
  content: "";
  position: absolute;
  right: max(1.25rem, calc((100vw - var(--maxw)) / 2));
  bottom: -54px;
  width: 150px;
  height: 150px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 50%;
  box-shadow: 0 0 0 24px color-mix(in srgb, var(--accent) 5%, transparent);
  pointer-events: none;
}
.page-head .container { position: relative; z-index: 1; }
.page-head p {
  color: var(--text-muted);
  max-width: 60ch;
  margin-top: 0.75rem;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.prose {
  max-width: var(--maxw-prose);
}
.prose > * + * { margin-top: 1.1rem; }
.prose h2 {
  margin-top: 2.4rem;
  padding-top: 0.35rem;
  font-size: clamp(1.35rem, 2.8vw, 1.7rem);
}
.prose h3 {
  margin-top: 1.9rem;
  font-size: 1.15rem;
}
.prose ul, .prose ol { padding-left: 1.35rem; }
.prose li + li { margin-top: 0.4rem; }
.prose strong { color: var(--text); }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.35rem 0 0.35rem 1.1rem;
  color: var(--text-muted);
  font-style: italic;
}
.prose hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin-block: 2.25rem;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.prose th, .prose td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.prose th {
  background: var(--surface-alt);
  font-weight: 650;
}
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.note {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  font-size: 0.96rem;
}

.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.35rem;
  font-size: 0.95rem;
}
.toc strong { display: block; margin-bottom: 0.5rem; }
.toc ol { margin: 0; padding-left: 1.2rem; }
.toc li + li { margin-top: 0.3rem; }

.post-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* ---------------------------------------- 9. Footer ------------------ */
.site-footer {
  margin-top: auto;
  background: var(--brand-900);
  color: #d4d9e1;
  padding-block: clamp(2.25rem, 5vw, 3rem) 1.5rem;
  font-size: 0.95rem;
}
.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr));
}
.site-footer h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: #ffffff;
  margin-bottom: 0.85rem;
}
.site-footer ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.site-footer a {
  color: #cfe0e8;
  text-decoration: none;
}
.site-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: #fff8ee !important;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}
.footer-logo-frame {
  width: 180px;
  height: 50px;
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.28);
}
.footer-about p {
  margin-top: 0.9rem;
  color: #aab4c2;
  max-width: 34ch;
}
.footer-bottom {
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  justify-content: space-between;
  color: #aab4c2;
  font-size: 0.87rem;
}

/* ---------------------------------------- 10. Modulo di contatto ----- */
.campo {
  display: grid;
  gap: 0.35rem;
}
.campo label,
.campo-check label {
  font-weight: 600;
  font-size: 0.95rem;
}
.campo small { font-size: 0.85rem; }

.campo input,
.campo textarea,
.captcha-field input[type="text"] {
  width: 100%;
  min-height: 3rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  caret-color: var(--accent);
  font: inherit;
  font-size: 1rem; /* >=16px: evita lo zoom automatico su iOS */
}
.campo textarea { resize: vertical; min-height: 8rem; }

.campo input:hover,
.campo textarea:hover,
.captcha-field input[type="text"]:hover { border-color: var(--accent); }
.campo input:focus-visible,
.campo textarea:focus-visible,
.captcha-field input[type="text"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
/* Segnala il campo non valido solo dopo un tentativo di invio */
.campo input:user-invalid,
.campo textarea:user-invalid,
.captcha-field input[type="text"]:user-invalid { border-color: #c2413a; }

.campo-check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}
.campo-check input {
  flex: 0 0 auto;
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.2rem;
  accent-color: var(--accent);
}
.campo-check label { font-weight: 400; font-size: 0.93rem; }

/* Trappola anti-spam: fuori dallo schermo ma non display:none,
   così i bot la compilano comunque. */
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Esito dell'invio (pagine generate da invia.php) */
.esito {
  display: grid;
  place-items: center;
  gap: 0.5rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  margin-bottom: 1.25rem;
}
.esito--ok { background: var(--accent-soft); color: var(--accent); }
.esito--ko { background: rgba(194, 65, 58, 0.14); color: #c2413a; }
.esito svg { width: 30px; height: 30px; }

/* ---------------------------------------- 11. Utility ---------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.muted { color: var(--text-muted); }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
[hidden] { display: none !important; }