/* =========================================================================
   Delta — design system v2 (redesign "interattivo")
   Font display self-hosted (Space Grotesk, licenza OFL-1.1, via wwwroot/fonts)
   + font di sistema per il corpo testo: zero richieste a Google Fonts o CDN,
   coerente con la CSP script-src/font-src 'self' del sito.
   ========================================================================= */

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/space-grotesk-latin-500-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/space-grotesk-latin-600-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/space-grotesk-latin-700-normal.woff2") format("woff2");
}

:root {
  /* Palette v3: nero profondo con leggera calda, elevazione via ombra
     morbida invece della sola griglia a filo — direzione più "prodotto
     SaaS curato" rispetto alla v2, mantenendo lo stesso accento a gradiente. */
  --bg: #0b0c10;
  --bg-1: #101218;
  --bg-panel: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-bg-strong: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-border-strong: rgba(255, 255, 255, 0.2);

  --ink: #f5f6f8;
  --ink-soft: #b7bbc6;
  --muted: #7d8294;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --accent: #6e7bff;
  --accent-2: #35e1d6;
  --signal: #ff8a4c;
  --gradient: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 100%);
  --gradient-soft: linear-gradient(120deg, rgba(110, 123, 255, 0.18) 0%, rgba(53, 225, 214, 0.14) 100%);

  --shadow-card: 0 1px 1px rgba(0,0,0,0.2), 0 12px 32px -12px rgba(0,0,0,0.55);
  --shadow-card-hover: 0 1px 1px rgba(0,0,0,0.2), 0 22px 48px -16px rgba(110,123,255,0.28);
  --shadow-panel: 0 24px 80px -24px rgba(0,0,0,0.65);

  --header-bg: rgba(11, 12, 16, 0.4);
  --header-bg-scrolled: rgba(11, 12, 16, 0.72);
  --mobile-nav-bg: rgba(11, 12, 16, 0.96);
  --glow-opacity-1: 0.16;
  --glow-opacity-2: 0.12;

  --font-display: "Space Grotesk", -apple-system, "Segoe UI", sans-serif;
  --font-sans: -apple-system, "Segoe UI", "Segoe UI Variable", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Cascadia Code", "Consolas", "SFMono-Regular", "Liberation Mono", Menlo, monospace;

  --maxw: 1220px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 10px;
  --radius-lg: 22px;

  color-scheme: dark;
}

/* ---------- tema chiaro ---------- */
html[data-theme="light"] {
  --bg: #f6f6f3;
  --bg-1: #ffffff;
  --glass-bg: rgba(20, 22, 30, 0.035);
  --glass-bg-strong: rgba(20, 22, 30, 0.065);
  --glass-border: rgba(20, 22, 30, 0.10);
  --glass-border-strong: rgba(20, 22, 30, 0.20);

  --ink: #14161c;
  --ink-soft: #42454e;
  --muted: #6b6f7a;
  --line: rgba(20, 22, 30, 0.09);
  --line-strong: rgba(20, 22, 30, 0.16);

  --shadow-card: 0 1px 1px rgba(20,20,30,0.04), 0 12px 32px -16px rgba(20,20,30,0.14);
  --shadow-card-hover: 0 1px 1px rgba(20,20,30,0.05), 0 20px 44px -18px rgba(110,123,255,0.22);
  --shadow-panel: 0 24px 70px -28px rgba(20,20,30,0.20);

  --header-bg: rgba(246, 246, 243, 0.55);
  --header-bg-scrolled: rgba(246, 246, 243, 0.85);
  --mobile-nav-bg: rgba(250, 250, 248, 0.98);
  --glow-opacity-1: 0.10;
  --glow-opacity-2: 0.08;

  color-scheme: light;
}
html[data-theme="light"] .btn-primary { color: #ffffff; }
html[data-theme="light"] .photo-band img { filter: grayscale(10%) contrast(1.05) brightness(0.92) saturate(1.02); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}

/* ---------- grain overlay: profondità cinematografica, generata via SVG
   inline (feTurbulence), zero immagini/richieste esterne ---------- */
.grain-overlay {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Glow ambientali di sfondo, dietro a tutto. Sfumatura radiale invece di un
   cerchio pieno con filter:blur(): un blur di questo raggio su un'area così
   grande è una delle operazioni più costose che il browser possa disegnare,
   e qui restava attivo per l'intera vita della pagina. Il gradiente ottiene
   lo stesso effetto visivo di bagliore morbido a un costo trascurabile. */
.ambient-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.ambient-glow::before,
.ambient-glow::after {
  content: "";
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
}
.ambient-glow::before {
  top: -20vw;
  right: -10vw;
  background: radial-gradient(circle, var(--accent) 0%, transparent 68%);
  opacity: var(--glow-opacity-1);
}
.ambient-glow::after {
  bottom: -25vw;
  left: -15vw;
  background: radial-gradient(circle, var(--accent-2) 0%, transparent 68%);
  opacity: var(--glow-opacity-2);
}

/* ---------- tipografia ---------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; margin: 0; color: var(--ink); line-height: 1.05; }
h1 { font-size: clamp(2.8rem, 6vw, 5.2rem); font-weight: 700; letter-spacing: -0.03em; }
h2 { font-size: clamp(2.1rem, 3.9vw, 3.1rem); }
h3 { font-size: 1.2rem; line-height: 1.35; font-weight: 600; }
p { margin: 0 0 1em; color: var(--ink-soft); }
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 640px; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  margin-bottom: 18px;
  padding: 7px 14px 7px 10px;
  border-radius: 999px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}
.kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gradient);
  display: inline-block;
  flex-shrink: 0;
}

.mono { font-family: var(--font-mono); }
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background-color 300ms ease, border-color 300ms ease;
}
.site-header.is-scrolled {
  background: var(--header-bg-scrolled);
  border-bottom-color: var(--line);
}
.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}
.logo .glyph { width: 40px; height: 45px; object-fit: contain; }
.footer-logo .glyph { width: 34px; height: 38px; }

.bar-right { display: flex; align-items: center; gap: 18px; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color 200ms ease, color 200ms ease, transform 200ms cubic-bezier(0.22,1,0.36,1);
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--accent-2); color: var(--ink); transform: rotate(12deg); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
html[data-theme="light"] .theme-toggle .icon-sun { display: none; }
html[data-theme="light"] .theme-toggle .icon-moon { display: block; }

nav.primary-nav { display: flex; align-items: center; gap: 30px; }
nav.primary-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 4px;
}
nav.primary-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0%;
  height: 1.5px;
  background: var(--gradient);
  transition: width 220ms ease;
}
nav.primary-nav a:not(.nav-cta):hover::after { width: 100%; }
nav.primary-nav a:not(.nav-cta):hover { color: var(--ink); }
.nav-cta {
  border: 1px solid var(--glass-border-strong);
  background: var(--glass-bg);
  padding: 9px 18px;
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--ink);
  border-radius: 999px;
  white-space: nowrap;
  transition: border-color 180ms ease, background 180ms ease;
}
.nav-cta:hover { border-color: var(--accent-2); background: var(--glass-bg-strong); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--glass-border);
  color: var(--ink);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-radius: var(--radius);
}

@media (max-width: 860px) {
  nav.primary-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 18px var(--gutter) 26px;
    background: var(--mobile-nav-bg);
    border-bottom: 1px solid var(--line);
  }
  nav.primary-nav.is-open { display: flex; }
  nav.primary-nav a { padding: 12px 0; width: 100%; }
  .nav-toggle { display: inline-flex; }
  /* Il badge Contatti diventa un bottone a piena larghezza e centrato,
     invece di restare ancorato a sinistra come un link di testo normale. */
  nav.primary-nav a.nav-cta {
    margin-top: 10px;
    padding: 13px 0;
    text-align: center;
    align-self: stretch;
  }
}

/* ---------- hero ---------- */
.hero { padding: 88px 0 64px; border-bottom: 1px solid var(--line); position: relative; }
.hero--tight-bottom { padding-bottom: 0; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero h1 { margin-bottom: 22px; }
.hero .lede { margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  position: relative;
  isolation: isolate;
}
.btn-primary {
  background: var(--gradient);
  color: #05060a;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost {
  border-color: var(--glass-border-strong);
  color: var(--ink);
  background: var(--glass-bg);
}
.btn-ghost:hover { border-color: var(--accent-2); background: var(--glass-bg-strong); }

/* wrapper per l'effetto "magnetico" applicato via JS (GSAP) */
.magnetic { display: inline-block; }

/* Canvas 3D dell'hero, presentato come un pannello "prodotto": barra
   superiore con indicatori, ombra morbida, angoli pronunciati. Se WebGL/JS
   non sono disponibili resta comunque un pannello intenzionale grazie allo
   sfondo a gradiente. */
.hero-scene {
  position: relative;
  aspect-ratio: 1 / 1;
  max-height: 480px;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 30% 30%, rgba(110,123,255,0.20), transparent 60%),
              radial-gradient(circle at 70% 70%, rgba(53,225,214,0.16), transparent 60%),
              var(--bg-1);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}
.hero-scene .scene-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 34px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--glass-border);
  z-index: 2;
}
.hero-scene .scene-bar span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--glass-border-strong);
}
.hero-scene canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}
.hero-scene .scene-fallback-label {
  position: absolute;
  left: 20px; bottom: 18px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ---------- sezione generica + reveal ---------- */
.block { padding: 100px 0; border-bottom: 1px solid var(--line); position: relative; }
.block:last-of-type { border-bottom: none; }
.block-head { max-width: 720px; margin-bottom: 52px; }

/* Lo stato iniziale (invisibile/spostato) viene impostato via JS (GSAP),
   non via CSS: se lo script non carica, il contenuto resta semplicemente
   visibile fin da subito. Nota: niente will-change permanente qui — viene
   applicato da animations.js solo per la durata della tween e rimosso alla
   fine, invece di restare attivo (e di occupare un layer di composizione a
   parte) per tutta la vita della pagina su decine di elementi. */
.reveal { }

/* ---------- griglia capacità (card autonome, in stile "feature grid") ---------- */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 900px) { .capability-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .capability-grid { grid-template-columns: 1fr; } }

.capability-card {
  background: var(--bg-1);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}
.capability-card:hover {
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
a.capability-card { text-decoration: none; color: inherit; }

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--accent-2);
  flex-shrink: 0;
}
.card-icon svg { width: 22px; height: 22px; }

.capability-card .idx { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }
.capability-card h3 { margin-top: 2px; font-family: var(--font-display); font-size: 1.4rem; }
.capability-card ul { margin: 6px 0 0; padding-left: 18px; color: var(--ink-soft); font-size: 1rem; line-height: 1.7; }
.capability-card ul li::marker { color: var(--line-strong); }

/* ---------- metodologia (linea a gradiente che si disegna allo scroll) ---------- */
.method-list { display: flex; flex-direction: column; position: relative; }
.method-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.method-item:last-child { border-bottom: 1px solid var(--line); }
.method-item .num {
  font-family: var(--font-mono);
  font-size: 1rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.method-item h3 { margin-bottom: 6px; }
.method-item p { margin: 0; max-width: 620px; }

/* ---------- perché delta ---------- */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 700px) { .reasons-grid { grid-template-columns: 1fr; } }
.reason {
  display: flex;
  gap: 14px;
  padding: 22px 24px;
  background: var(--bg-1);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: border-color 220ms ease, transform 220ms ease;
}
.reason:hover { border-color: var(--glass-border-strong); transform: translateY(-1px); }
.reason .mark {
  font-family: var(--font-mono);
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.reason p { margin: 0; color: var(--ink-soft); font-size: 1.02rem; }

/* ---------- certificazioni ---------- */
.cert-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 28px;
  background: var(--bg-1);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 32px;
}
.cert-card .card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
}
.cert-card .card-icon svg { width: 28px; height: 28px; }
.cert-heading { display: flex; flex-direction: column; gap: 4px; min-width: 200px; }
.cert-heading h3 { font-family: var(--font-display); }
.cert-heading span { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); }
.cert-meta {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 4px 36px;
  flex: 1;
  min-width: 260px;
}
.cert-meta dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 10px;
}
.cert-meta dd { margin: 2px 0 0; font-size: 0.94rem; color: var(--ink); }

/* ---------- immagini promozionali (parallax-ready) ---------- */
.photo-band {
  width: 100%;
  aspect-ratio: 21 / 8;
  overflow: hidden;
  position: relative;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
}
.photo-band img {
  width: 100%;
  height: 130%;
  object-fit: cover;
  display: block;
  filter: grayscale(15%) contrast(1.08) brightness(0.75) saturate(1.05);
  will-change: transform;
}
.photo-band .caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 24px var(--gutter);
  color: #F4F3EF;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  background: linear-gradient(0deg, rgba(4,5,8,0.85), rgba(4,5,8,0) 80%);
  z-index: 1;
}

.split-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.split-media .media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(10%) contrast(1.05) brightness(0.92);
}
@media (max-width: 860px) {
  .split-media { grid-template-columns: 1fr; }
  .split-media .media { order: -1; }
}

/* ---------- contatti / form (glass) ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info dl { margin: 0; }
.contact-info dt { font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 22px; }
.contact-info dd { margin: 4px 0 0; font-size: 1.02rem; color: var(--ink); }

.map-embed {
  margin-top: 26px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
  aspect-ratio: 4 / 3;
}
.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  filter: grayscale(35%) contrast(1.05);
}
html[data-theme="light"] .map-embed iframe { filter: none; }

form.contact-form {
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 34px;
  display: grid;
  gap: 18px;
}
.field { display: grid; gap: 6px; }
.field label { font-size: 0.85rem; color: var(--ink-soft); font-weight: 600; }
.field input, .field textarea {
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.03);
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 0.96rem;
  color: var(--ink);
  border-radius: var(--radius);
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted); }
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--accent-2);
  outline-offset: 1px;
  border-color: var(--accent-2);
}
.field input[type="file"] { padding: 10px 12px; color: var(--ink-soft); }
.field textarea { resize: vertical; min-height: 130px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 520px) { .field-row { grid-template-columns: 1fr; } }

.hp-field { position: absolute; left: -9999px; top: -9999px; }

.form-note { font-size: 0.8rem; color: var(--muted); }
.form-alert {
  border: 1px solid var(--glass-border-strong);
  padding: 14px 16px;
  font-size: 0.92rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}
.form-alert.ok { border-color: #35e1a0; background: rgba(53,225,160,0.08); color: #7cf0c2; }
.form-alert.err { border-color: var(--signal); background: rgba(255,138,76,0.08); color: #ffb98a; }

/* ---------- footer ---------- */
footer.site-footer {
  padding: 52px 0 64px;
  border-top: 1px solid var(--line);
  position: relative;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { font-size: 0.86rem; color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }
.footer-meta { font-size: 0.8rem; color: var(--muted); font-family: var(--font-mono); }

/* ---------- cursore personalizzato (solo dispositivi con puntatore fine) ---------- */
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent-2);
  pointer-events: none;
  z-index: 200;
  mix-blend-mode: difference;
  opacity: 0;
  transition: opacity 200ms ease, width 180ms ease, height 180ms ease;
}
.cursor-dot.is-active { opacity: 0.9; }
.cursor-dot.is-hovering { width: 34px; height: 34px; }
@media (hover: none), (pointer: coarse) {
  .cursor-dot { display: none; }
}

/* ---------- transizioni tra pagine ---------- */
/* Percorso 1: View Transitions native del browser (attivate dal meta tag
   in _Layout.cshtml). Qui si personalizza solo la durata/curva: senza
   questo blocco il browser userebbe una dissolvenza predefinita più secca. */
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation-duration: 0.38s;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  }
}

/* Percorso 2: ripiego via JS (page-transitions.js) per i browser che non
   supportano ancora le View Transitions cross-document. */
.page-fade-enter { opacity: 0; }
.page-fade-enter-active {
  opacity: 1;
  transition: opacity 280ms ease-out;
}
.page-fade-leave {
  opacity: 0;
  transition: opacity 120ms ease;
}

/* ---------- utilità di layout (sostituiscono i vecchi style="" inline,
   incompatibili con una CSP style-src 'self' senza 'unsafe-inline') ---------- */
.measure-tight { max-width: 760px; }
.measure-none { max-width: none; }
.footer-logo { margin-bottom: 10px; }
.mt-lg { margin-top: 22px; }
.block--flush { border-bottom: none; }
.section-tight { padding-top: 56px; padding-bottom: 40px; border-bottom: none; }
.back-link { text-decoration: none; color: var(--muted); font-size: 0.8rem; transition: color 160ms ease; }
.back-link:hover { color: var(--ink); }
.error-panel { max-width: 600px; text-align: left; }
.field-error { color: var(--signal); }
.card-desc { margin: 0; color: var(--ink-soft); font-size: 1.02rem; }
.card-link {
  text-decoration: none;
  color: var(--accent-2);
  font-weight: 600;
  font-size: 0.85rem;
  margin-top: auto;
  padding-top: 6px;
}
.card-link:hover { text-decoration: underline; }

.includes-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; }
.includes-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}
.includes-list li:last-child { border-bottom: 1px solid var(--line); }
.includes-list .plus { font-family: var(--font-mono); color: var(--accent-2); font-size: 0.8rem; }

/* ---------- utilità ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #05060a; padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }