/* HEXAPOD.CLOUD - stile 2026, pensato prima per il telefono */

@font-face { font-family: "Unbounded"; font-weight: 500; font-display: swap; src: url(fonts/unbounded-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Unbounded"; font-weight: 800; font-display: swap; src: url(fonts/unbounded-latin-800-normal.woff2) format("woff2"); }
@font-face { font-family: "Atkinson"; font-weight: 400; font-display: swap; src: url(fonts/atkinson-hyperlegible-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Atkinson"; font-weight: 700; font-display: swap; src: url(fonts/atkinson-hyperlegible-latin-700-normal.woff2) format("woff2"); }

:root {
  --inchiostro: #0e1a33;   /* testo */
  --cobalto: #114cb3;      /* blu del marchio */
  --resina: #d6e4fa;       /* blu chiaro della resina trasparente */
  --carta: #f5f8fe;        /* sfondo */
  --superficie: #ffffff;
  --segnale: #ffc21a;      /* pulsanti di acquisto */
  --tenue: #4a5a7a;
  --bordo: #c3d4f2;
  --titolo: "Unbounded", "Arial Black", sans-serif;
  --testo: "Atkinson", Verdana, sans-serif;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 120px; }
body {
  margin: 0;
  background: var(--carta);
  color: var(--inchiostro);
  font: 400 1.0625rem/1.6 var(--testo);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cobalto); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--segnale); outline-offset: 2px; border-radius: 4px; }
.salta { position: absolute; left: -999px; top: 8px; z-index: 50; background: var(--superficie); padding: 8px 12px; }
.salta:focus { left: 8px; }

/* ---------- nastro delle novita' ---------- */
.nastro { background: #0e1a33; color: #fff; font: 500 .68rem/1 var(--titolo); letter-spacing: .02em; overflow: hidden; white-space: nowrap; }
.nastro-scorre { display: inline-flex; animation: scorri var(--durata, 60s) linear infinite; }
.nastro-scorre > div { display: inline-flex; }
.nastro span { padding: 7px 24px 7px 0; }
.nastro span::after { content: ""; display: inline-block; width: 7px; height: 8px; margin-left: 24px; background: var(--segnale); clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%); }
@keyframes scorri { to { transform: translateX(-50%); } }

/* ---------- testata fissa: marchio + menu ---------- */
.testa {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--carta) 88%, transparent);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bordo);
}
.barra { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px 4px; max-width: 1100px; margin: 0 auto; }
.marchio { display: flex; align-items: center; gap: 8px; color: var(--inchiostro); text-decoration: none; font: 800 1.15rem/1 var(--titolo); letter-spacing: .02em; }
.marchio img { width: 44px; height: auto; }
.lingua { font: 500 .8rem/1 var(--titolo); color: var(--inchiostro); text-decoration: none; border: 1.5px solid var(--bordo); border-radius: 999px; padding: 8px 12px; }

.menu {
  display: flex; gap: 6px; overflow-x: auto; padding: 8px 16px 10px;
  scrollbar-width: none; max-width: 1100px; margin: 0 auto;
  -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent);
          mask-image: linear-gradient(90deg, #000 88%, transparent);
}
.menu::-webkit-scrollbar { display: none; }
.menu a {
  flex: none; color: var(--inchiostro); text-decoration: none;
  font: 500 .85rem/1 var(--titolo); padding: 10px 14px; border-radius: 999px;
  background: var(--resina);
}
.menu a[aria-current] { background: var(--cobalto); color: #fff; }

.barra-destra { display: flex; align-items: center; gap: 8px; }
.apri-menu { display: none; }
.solo-tel { display: none; }
@media (max-width: 899px) { .solo-pc { display: none; } .solo-tel { display: inline; } }

/* telefono: le voci stanno in un pannello che si apre dall'alto, una sotto l'altra */
@media (max-width: 899px) {
  .js .apri-menu {
    display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
    font: 500 .8rem/1 var(--titolo); color: #fff; background: var(--cobalto);
    border: 0; border-radius: 999px; padding: 9px 14px 9px 12px;
  }
  .apri-menu-icona { position: relative; width: 16px; height: 12px; }
  .apri-menu-icona i { position: absolute; left: 0; width: 16px; height: 2px; border-radius: 2px; background: currentColor; transition: transform .2s, opacity .2s; }
  .apri-menu-icona i:nth-child(1) { top: 0; }
  .apri-menu-icona i:nth-child(2) { top: 5px; }
  .apri-menu-icona i:nth-child(3) { top: 10px; }
  .menu-aperto .apri-menu-icona i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
  .menu-aperto .apri-menu-icona i:nth-child(2) { opacity: 0; }
  .menu-aperto .apri-menu-icona i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

  .js .menu { display: none; }
  .js .barra { padding-bottom: 10px; }
  .menu-aperto .menu {
    display: flex; flex-direction: column; gap: 0; overflow: auto;
    max-height: calc(100vh - 110px); max-height: calc(100dvh - 110px);
    padding: 4px 16px 16px; -webkit-mask-image: none; mask-image: none;
    border-top: 1px solid var(--bordo);
  }
  .menu-aperto .menu a {
    background: none; border-radius: 0; padding: 17px 4px;
    font-size: 1.05rem; border-bottom: 1px solid var(--bordo);
  }
  .menu-aperto .menu a[aria-current] { background: none; color: var(--cobalto); }
  .menu-aperto .menu a[aria-current]::before { content: ""; display: inline-block; width: 10px; height: 11px; margin-right: 10px; background: var(--cobalto); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
  .menu-aperto .testa { background: var(--carta); }
  .menu-aperto .corpo, .menu-aperto .piede { visibility: hidden; }
}

/* ---------- contenitore ---------- */
.corpo { min-height: 60vh; }
.pagina { max-width: 680px; margin: 0 auto; padding: 28px 16px 48px; }
.pagina-larga { max-width: 1100px; }
h1, h2, h3 { font-family: var(--titolo); line-height: 1.15; letter-spacing: -.01em; }
.pagina h1 { font-weight: 800; font-size: clamp(1.75rem, 7.5vw, 2.75rem); margin: 0 0 18px; }
.pagina h2 { font-weight: 800; font-size: 1.3rem; margin: 40px 0 12px; }
.pagina h3 { font-weight: 500; font-size: 1rem; margin: 22px 0 6px; color: var(--cobalto); }
.pagina p { margin: 0 0 16px; }
.attacco { font-size: 1.2rem; line-height: 1.5; }
.pagina b { font-weight: 700; }
figure { margin: 24px 0; }
figure img { border-radius: 14px; border: 1px solid var(--bordo); background: var(--superficie); }

/* ---------- pulsanti ---------- */
.bottone {
  display: inline-block; background: var(--segnale); color: #0e1a33;
  font: 500 .9rem/1 var(--titolo); text-decoration: none;
  padding: 14px 18px; border-radius: 12px; text-align: center;
}
.bottone:active { transform: translateY(1px); }
.bottone-largo { display: block; margin-top: 8px; }

/* ---------- home ---------- */
.eroe {
  background: var(--resina) url(sfondodisegni.jpg) center / cover;
  padding: 28px 16px 24px; text-align: center; overflow: hidden;
}
.eroe-titolo {
  margin: 0 auto; max-width: 1100px;
  font-weight: 800; font-size: clamp(2.6rem, 15vw, 10rem); line-height: .9; letter-spacing: -.03em;
  color: var(--cobalto);
}
.eroe-titolo span { display: block; font-weight: 500; font-size: clamp(1rem, 4.6vw, 2rem); letter-spacing: 0; color: var(--inchiostro); margin-bottom: .35em; }
.eroe-robot {
  width: min(100%, 640px); margin: -4vw auto 0; position: relative;
  animation: arriva 900ms cubic-bezier(.2, .7, .2, 1) both;
}
@keyframes arriva { from { opacity: 0; transform: translateY(28px) scale(.96); } }
.eroe-sotto { font-size: 1.15rem; max-width: 30ch; margin: 10px auto 0; }

.libri { max-width: 680px; margin: 0 auto; padding: 28px 16px 8px; }
.libri h2 { font-weight: 800; font-size: 1.3rem; margin: 0 0 14px; }
.libri-griglia { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 8px 0 20px; }
.libro { display: flex; flex-direction: column; gap: 10px; text-decoration: none; color: var(--inchiostro); }
.libro img { border-radius: 8px; aspect-ratio: 1131 / 1600; object-fit: cover; }
.libro-lingua { font-weight: 700; font-size: .95rem; }
.libro .bottone { padding: 12px 8px; font-size: .78rem; }

.scarica {
  display: block; max-width: 648px; margin: 8px auto 40px; padding: 18px 20px;
  border: 2px dashed var(--cobalto); border-radius: 16px;
  color: var(--inchiostro); text-decoration: none;
  background: var(--superficie);
}
.corpo > .scarica { margin-left: 16px; margin-right: 16px; }
@media (min-width: 690px) { .corpo > .scarica { margin-left: auto; margin-right: auto; } }
.scarica strong { display: block; font: 800 1.05rem/1.2 var(--titolo); color: var(--cobalto); margin-bottom: 4px; }

/* ---------- progetto: tappe ---------- */
.tappe { list-style: none; margin: 0 0 8px; padding: 0 0 0 22px; border-left: 3px solid var(--resina); }
.tappe li { position: relative; margin: 0 0 18px; }
.tappe li::before {
  content: ""; position: absolute; left: -32px; top: 3px; width: 17px; height: 19px; background: var(--cobalto);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}
.tappe span { display: block; font: 800 .95rem/1.3 var(--titolo); color: var(--cobalto); }

/* ---------- tecnologie ---------- */
.tecno section { border-top: 2px solid var(--resina); padding: 16px 0 4px; }
.tecno h2 { margin: 0 0 8px; font-size: 1.1rem; }

/* ---------- software ---------- */
.programma { padding-bottom: 12px; }
.programma + .programma { border-top: 2px solid var(--resina); }

/* ---------- materiali ---------- */
.materiali { list-style: none; margin: 0; padding: 0; }
.materiale { display: grid; grid-template-columns: 88px 1fr; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--bordo); }
.materiale img { width: 88px; height: 88px; object-fit: contain; background: #fff; border-radius: 12px; border: 1px solid var(--bordo); padding: 6px; }
.materiale p { margin: 0 0 8px; }
.materiale-qta { display: inline-block; font: 500 .78rem/1 var(--titolo); background: var(--resina); color: var(--inchiostro); padding: 6px 10px; border-radius: 999px; }
.materiale-nota { font-size: 1rem; }
.materiale-nome { font-size: .85rem; color: var(--tenue); line-height: 1.4; }
.materiale .bottone { padding: 11px 14px; font-size: .78rem; }

/* ---------- galleria ---------- */
.galleria { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.galleria a { display: block; aspect-ratio: 1; overflow: hidden; border-radius: 10px; background: var(--resina); }
.galleria img { width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 700px) { .galleria { grid-template-columns: repeat(3, 1fr); gap: 10px; } }
@media (min-width: 1000px) { .galleria { grid-template-columns: repeat(4, 1fr); } }
.lente { padding: 0; border: 0; background: transparent; max-width: 96vw; max-height: 92vh; }
.lente::backdrop { background: rgba(5, 10, 22, .88); }
.lente img { max-height: 88vh; width: auto; border-radius: 10px; }
.lente[open] img { animation: apri 180ms ease-out; }
@keyframes apri { from { opacity: 0; transform: scale(.97); } }
.lente form { position: fixed; top: 12px; right: 12px; margin: 0; }
.lente button { width: 44px; height: 44px; border-radius: 50%; border: 0; font-size: 1.6rem; line-height: 1; background: #fff; color: #0e1a33; cursor: pointer; }

/* ---------- progressi ---------- */
.vuoto { background: var(--resina) url(sfondodisegni.jpg) center / cover; border-radius: 18px; padding: 28px 20px; }
.vuoto p:first-child { font: 800 1.15rem/1.3 var(--titolo); }

/* ---------- altri progetti ---------- */
.progetto { padding: 8px 0 28px; }
.progetto + .progetto { border-top: 2px solid var(--resina); padding-top: 28px; }
.progetto h2 { margin-top: 0; }
.progetto-copertina { width: 60%; max-width: 260px; border-radius: 8px; margin-bottom: 18px; }
.passi { padding-left: 1.4em; }
.passi li { margin-bottom: 10px; padding-left: 4px; }
.passi li::marker { font: 800 .9rem var(--titolo); color: var(--cobalto); }

/* ---------- progressi: diario del progetto ---------- */
.diario { list-style: none; margin: 8px 0 28px; padding: 0 0 0 22px; border-left: 3px solid var(--resina); }
.tappa { position: relative; padding: 0 0 36px; }
.tappa::before {
  content: ""; position: absolute; left: -32px; top: 2px; width: 17px; height: 19px; background: var(--cobalto);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}
.tappa-data { margin: 0 0 6px !important; font: 500 .85rem/1.3 var(--titolo); color: var(--cobalto); }
.tappa-serie { display: inline-block; margin-left: 6px; padding: 3px 9px; border-radius: 999px; background: var(--resina); color: var(--inchiostro); font-size: .75rem; }
.tappa h2 { margin: 0 0 14px !important; font-size: 1.35rem !important; }
.tappa h2 a { color: inherit; text-decoration: none; }
.tappa-testo h3 { margin: 22px 0 8px; font-size: 1.05rem; color: var(--inchiostro); }
.tappa-testo ul { padding-left: 1.2em; margin: 0 0 16px; }
.tappa-testo li { margin-bottom: 6px; }
.tappa figure { margin: 0 0 16px; }
.tappa figcaption { font-size: .85rem; color: var(--tenue); margin-top: 6px; }
.tappa-foto { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tappa-foto figure { margin: 0; }
.tappa-foto img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.anteprima-barra { margin: 0; padding: 10px 16px; background: var(--segnale); font: 500 .85rem var(--titolo); }

/* ---------- area download (libro/, boiler/, arduinoeinternet/) ---------- */
.area-testa { background: var(--resina) url(sfondodisegni.jpg) center / cover; padding: 28px 16px 26px; text-align: center; }
.area-testa h1 { margin: 0 auto; max-width: 680px; font-weight: 800; font-size: clamp(1.6rem, 7.5vw, 2.6rem); color: var(--cobalto); }
.area-sopra { margin: 0 0 8px; font: 500 .9rem/1.2 var(--titolo); }
.modulo { display: grid; gap: 8px; margin: 18px 0 14px; padding: 18px; background: var(--superficie); border: 1px solid var(--bordo); border-radius: 16px; }
.modulo label { font: 500 .85rem/1.2 var(--titolo); margin-top: 6px; }
.modulo input, .modulo select {
  width: 100%; font: 400 1.05rem/1.2 var(--testo); color: var(--inchiostro);
  padding: 13px 12px; border: 1.5px solid var(--bordo); border-radius: 10px; background: #fff;
}
.modulo input:focus, .modulo select:focus { outline: 3px solid var(--segnale); outline-offset: 1px; border-color: var(--cobalto); }
.modulo .bottone { border: 0; cursor: pointer; margin-top: 10px; font-size: 1rem; }
.campo-codice { font: 800 1.6rem/1 var(--titolo) !important; letter-spacing: .12em; text-align: center; }
.avviso { background: #fff4d6; border: 1.5px solid var(--segnale); border-radius: 12px; padding: 12px 14px; }
.nota { font-size: .92rem; color: var(--tenue); }
.novita { margin-top: 32px; }
.scaricabili { list-style: none; margin: 0; padding: 0; }
.scaricabile { display: grid; grid-template-columns: 96px 1fr; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--bordo); align-items: start; }
.scaricabile img { width: 96px; height: 96px; object-fit: contain; background: #fff; border: 1px solid var(--bordo); border-radius: 12px; padding: 4px; }
.scaricabile h3 { margin: 2px 0 4px; font-size: 1rem; color: var(--inchiostro); }
.scaricabile-file { margin: 0 0 10px !important; font-size: .85rem; color: var(--tenue); word-break: break-all; }
.scaricabile-file span { white-space: nowrap; color: var(--inchiostro); font-weight: 700; margin-left: 4px; }
.scaricabile .bottone { padding: 11px 16px; font-size: .8rem; }

/* ---------- piede ---------- */
.piede { background: var(--inchiostro); color: var(--carta); padding: 28px 16px calc(28px + env(safe-area-inset-bottom)); text-align: center; font-size: .85rem; }
.piede-social { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 18px; }
.piede-social a { display: inline-flex; align-items: center; gap: 8px; color: var(--carta); text-decoration: none; border: 1.5px solid color-mix(in srgb, var(--carta) 30%, transparent); border-radius: 999px; padding: 8px 14px 8px 8px; font-size: .9rem; }
.piede-social img { width: 22px; height: 22px; object-fit: contain; }
.piede p { margin: 0; opacity: .75; }

/* ---------- schermi grandi ---------- */
@media (min-width: 900px) {
  .menu { justify-content: center; flex-wrap: wrap; overflow: visible; max-width: 1240px; -webkit-mask-image: none; mask-image: none; }
  .libri-griglia { gap: 28px; }
  .progetto { display: grid; grid-template-columns: 240px 1fr; gap: 28px; align-items: start; }
  .progetto-copertina { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .eroe-robot, .lente[open] img { animation: none; }
}