/* ==========================================================================
   NIVOX LABS — site.css
   Foglio di stile unico per tutto il sito. Nessuna dipendenza, nessun build.
   ========================================================================== */

:root {
  /* Superfici */
  --bg:        #0B0D10;
  --bg-2:      #12151B;
  --bg-3:      #171B23;
  --line:      #232833;
  --line-2:    #303747;

  /* Testo */
  --slate-0:   #F3F6FA;
  --slate-1:   #C4CBD8;
  --slate-2:   #8B95A6;
  --slate-3:   #5C6574;

  /* Accenti.
     --brand è il blu esatto del logo, campionato dal file: va usato su fondi
     chiari. Sul tema scuro non arriva a 4,5:1, quindi --accent è la stessa
     tinta (218°) e saturazione, schiarita fino a 6,27:1 sul fondo pagina.
     Ogni app sovrascrive --card-accent con il proprio colore. */
  --brand:     #1965EB;
  --accent:    #5B91F1;
  --focus:     #7AA2FF;

  /* Tipografia */
  --sans:    "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --display: "Space Grotesk", var(--sans);

  /* Misure */
  --wrap:   1120px;
  --narrow: 720px;
  --pad:    clamp(20px, 5vw, 40px);
}

/* --------------------------------------------------------------- Reset -- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--slate-1);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: var(--slate-0); text-decoration-color: var(--line-2); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }

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

/* -------------------------------------------------------------- Layout -- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.wrap--narrow { max-width: var(--narrow); }

.section { padding-block: clamp(56px, 9vw, 96px); }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--slate-0);
  color: var(--bg);
  padding: 12px 18px;
  font-weight: 600;
  border-radius: 0 0 6px 0;
}
.skip:focus { left: 0; }

/* ------------------------------------------------------------ Masthead -- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* Riga stretta fra marchio e menu quando vanno a capo, colonna larga
     quando stanno affiancati. */
  gap: 6px 24px;
  min-height: 64px;
  flex-wrap: wrap;
  padding-block: 12px;
}

/* Sotto questa soglia marchio e menu vanno a capo: senza questo il marchio
   restava incollato al bordo superiore e lontanissimo dal menu. */
@media (max-width: 560px) {
  .masthead__inner {
    justify-content: flex-start;
    min-height: 0;
  }
  .navlinks { gap: 18px; }
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--slate-0);
  text-decoration: none;
  white-space: nowrap;
}

/* La N del logo. Il file ha fondo chiaro, quindi resta una piccola tessera
   bianca: stesso trattamento del pannello nell'hero. */
.brand__mark {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  background: #FEFEFE;
  flex: none;
}

.navlinks {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 28px);
  flex-wrap: wrap;
}

.navlinks a {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--slate-2);
  text-decoration: none;
  padding-block: 4px;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}

.navlinks a:hover,
.navlinks a[aria-current="page"] {
  color: var(--slate-0);
  border-bottom-color: var(--accent);
}

/* ---------------------------------------------------------- Tipografia -- */

h1, h2, h3, h4 {
  font-family: var(--display);
  color: var(--slate-0);
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -.015em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.1rem, 6vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); font-weight: 600; }
h3 { font-size: clamp(1.1rem, 2.2vw, 1.3rem); font-weight: 600; }

h1 em {
  font-style: normal;
  color: var(--accent);
}

p { margin: 0 0 1.1em; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate-2);
  margin: 0 0 14px;
}

.lede {
  font-size: clamp(1.02rem, 1.9vw, 1.2rem);
  color: var(--slate-1);
  max-width: 60ch;
}

/* -------------------------------------------------------------- Bottoni -- */

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}

/* Seconda riga di CTA (privacy/termini) appena sotto quella degli store. */
.cta-row + .cta-row { margin-top: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 6px;
  border: 1px solid var(--slate-0);
  background: var(--slate-0);
  color: var(--bg);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: transform .12s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); opacity: .9; }

.btn--ghost {
  background: transparent;
  color: var(--slate-0);
  border-color: var(--line-2);
}
.btn--ghost:hover { border-color: var(--slate-2); }

.btn[aria-disabled="true"] {
  pointer-events: none;
  opacity: .38;
}

/* Badge store: si allinea agli altri bottoni della .cta-row ma non ne eredita
   lo stile, perché la grafica è tutta dentro l'SVG. */
.badge-store {
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  text-decoration: none;
  transition: transform .12s ease, opacity .15s ease;
}

.badge-store:hover { transform: translateY(-1px); opacity: .9; }

.badge-store svg {
  display: block;
  height: 52px;
  width: auto;
}

/* ------------------------------------------------------------- Hub hero -- */

.hub-hero {
  padding-block: clamp(64px, 12vw, 128px) clamp(40px, 7vw, 72px);
  border-bottom: 1px solid var(--line);
}

.hub-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, .6fr);
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
}

@media (max-width: 900px) {
  .hub-hero__inner { grid-template-columns: 1fr; }
  .brandcard { justify-self: start; max-width: 320px; }
}

/* Il logo NIVOX LABS ha il fondo chiaro e il lettering blu scuro: sul tema
   scuro non regge da solo, quindi sta su un pannello dello stesso bianco
   (#FEFEFE campionato dal file) così non si vede la cucitura. */
.brandcard {
  background: #FEFEFE;
  border-radius: 16px;
  padding: clamp(18px, 2.6vw, 28px);
  display: grid;
  place-items: center;
  box-shadow: 0 24px 60px -28px rgba(0, 0, 0, .85);
}

.brandcard img { width: 100%; height: auto; }

.hub-hero h1 { max-width: 16ch; }

.hub-hero p {
  color: var(--slate-2);
  max-width: 58ch;
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  margin-bottom: 0;
}

/* ------------------------------------------------------------ App cards -- */

.appgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.appcard {
  --card-accent: var(--accent);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(32px, 5vw, 56px) var(--pad);
  background: var(--bg);
  text-decoration: none;
  transition: background .18s ease;
}

.appcard:hover { background: var(--bg-2); }

.appcard__rule {
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: var(--card-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s cubic-bezier(.4, 0, .2, 1);
}
.appcard:hover .appcard__rule,
.appcard:focus-visible .appcard__rule { transform: scaleX(1); }

.appcard__icon {
  width: 60px;
  aspect-ratio: 1;
  flex: none;
  border-radius: 22%;
  border: 1px solid var(--line);
  background: var(--bg-2);
  margin-bottom: 6px;
}

/* Variante segnaposto dell'icona dentro la card: stessa scatola, testo più fitto. */
.ph.appcard__icon {
  font-size: 8.5px;
  letter-spacing: .04em;
  padding: 4px;
  gap: 2px;
}

.appcard h2 {
  margin: 0;
  color: var(--card-accent);
  font-size: clamp(1.6rem, 3.6vw, 2.2rem);
}

.appcard p {
  margin: 0;
  color: var(--slate-2);
  max-width: 44ch;
}

.appcard__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--slate-3);
}

/* -------------------------------------------------------- App landings -- */

.app-hero {
  padding-block: clamp(56px, 10vw, 104px) clamp(40px, 6vw, 64px);
  border-bottom: 1px solid var(--line);
}

.app-hero h1 { color: var(--card-accent, var(--accent)); }

.app-hero .lede { color: var(--slate-2); }

.featgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(24px, 4vw, 40px);
  margin-top: 8px;
}

.feat h3 { margin-bottom: .35em; }
.feat p { color: var(--slate-2); margin: 0; font-size: 15px; }

.feat__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--card-accent, var(--accent));
  display: block;
  margin-bottom: 10px;
}

/* Riquadro informativo (store non ancora disponibile, note, ecc.) */
.notice {
  border: 1px solid var(--line-2);
  border-left: 2px solid var(--card-accent, var(--accent));
  background: var(--bg-2);
  border-radius: 0 6px 6px 0;
  padding: 18px 22px;
  color: var(--slate-2);
  font-size: 15px;
}
.notice p:last-child { margin-bottom: 0; }

/* ------------------------------------------- Hero: icona e copertina -- */

/* Riga icona + nome, come nella scheda di uno store. */
.apphero__id {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.5vw, 24px);
  margin-bottom: 20px;
}

.apphero__id h1 { margin: 0; }

.appicon {
  width: clamp(64px, 11vw, 100px);
  aspect-ratio: 1;
  flex: none;
  border-radius: 22%;
  border: 1px solid var(--line);
  background: var(--bg-2);
}

.appcover {
  margin: clamp(32px, 5vw, 52px) 0 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-2);
}

.appcover img {
  width: 100%;
  aspect-ratio: 1024 / 500;
  object-fit: cover;
}

/* ----------------------------------------------------- Screenshot -- */

.shots__strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: clamp(180px, 40vw, 240px);
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  margin-top: 28px;
  scroll-snap-type: x proximity;
  overscroll-behavior-x: contain;
}

.shot { margin: 0; scroll-snap-align: start; }

.shot img,
.shot .ph {
  width: 100%;
  aspect-ratio: 1080 / 1920;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-2);
}

.shot figcaption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--slate-3);
}

/* ---------------------------------------- Placeholder risorse mancanti -- */

/* Segnaposto per icona, cover e screenshot non ancora disponibili.
   Riportano le dimensioni attese, così valgono anche da specifica. */
.ph {
  display: grid;
  place-content: center;
  gap: 4px;
  padding: 12px;
  text-align: center;
  border: 1px dashed var(--line-2);
  border-radius: 12px;
  background-color: var(--bg-2);
  background-image: repeating-linear-gradient(
    135deg,
    transparent 0 9px,
    color-mix(in srgb, var(--line) 55%, transparent) 9px 10px
  );
  color: var(--slate-3);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  line-height: 1.5;
}

.ph b {
  display: block;
  color: var(--slate-2);
  font-weight: 500;
}

.ph--icon {
  width: clamp(64px, 11vw, 100px);
  aspect-ratio: 1;
  flex: none;
  border-radius: 22%;
  font-size: 9px;
  letter-spacing: .06em;
  padding: 6px;
}

.ph--cover { aspect-ratio: 1024 / 500; }

/* ------------------------------------------------------ Pagine legali -- */

.legal {
  padding-block: clamp(48px, 7vw, 80px);
}

.legal__head {
  padding-bottom: 28px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.legal__head h1 {
  font-size: clamp(1.8rem, 4.4vw, 2.6rem);
}

.legal__meta {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--slate-3);
  margin: 0;
}

.toc {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg-2);
  padding: 22px 26px;
  margin-bottom: 48px;
}

.toc p {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate-3);
  margin: 0 0 12px;
}

.toc ol {
  margin: 0;
  padding-left: 20px;
  columns: 2;
  column-gap: 32px;
  font-size: 14.5px;
}
@media (max-width: 620px) { .toc ol { columns: 1; } }

.toc li { margin-bottom: 5px; break-inside: avoid; }
.toc a { color: var(--slate-1); text-decoration: none; }
.toc a:hover { color: var(--slate-0); text-decoration: underline; }

.prose { max-width: 68ch; }

.prose h2 {
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  margin-top: 2.4em;
  padding-top: .6em;
  border-top: 1px solid var(--line);
  scroll-margin-top: 84px;
}
.prose h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }

.prose h3 {
  font-size: 1.02rem;
  margin-top: 1.9em;
  color: var(--slate-0);
}

.prose p, .prose li { color: var(--slate-1); }

.prose ul, .prose ol { padding-left: 22px; margin: 0 0 1.1em; }
.prose li { margin-bottom: .5em; }

.prose strong { color: var(--slate-0); font-weight: 600; }

.prose a { color: var(--accent); text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent); }

.prose code {
  font-family: var(--mono);
  font-size: .88em;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 6px;
}

/* Tabella dati (scorre in orizzontale sui piccoli schermi) */
.tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin: 0 0 1.4em;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  min-width: 480px;
}

.prose th, .prose td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.prose thead th {
  background: var(--bg-2);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--slate-2);
  font-weight: 500;
}

.prose tbody tr:last-child td { border-bottom: 0; }

/* --------------------------------------------------------------- 404 -- */

.error-page {
  min-height: 62vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding-block: 80px;
}

.error-page__code {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--accent);
  margin: 0 0 16px;
}

/* ------------------------------------------------------------- Footer -- */

.foot {
  border-top: 1px solid var(--line);
  padding-block: 36px;
  margin-top: auto;
}

.foot__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--slate-3);
}

.foot a {
  color: var(--slate-2);
  text-decoration: none;
}
.foot a:hover { color: var(--slate-0); text-decoration: underline; }

.foot__spacer { margin-left: auto; }
@media (max-width: 720px) { .foot__spacer { margin-left: 0; } }