/* Font self-hosted (Inter variabile) — nessuna richiesta a Google Fonts,
   per conformità GDPR (l'IP dell'utente non viene trasmesso a terzi). */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("/fonts/inter-latin.woff2") format("woff2");
}

:root {
  --bg: #0b0d12;
  --bg-elev: #12151d;
  --bg-card: #161a24;
  --border: #242a38;
  --border-strong: #323a4d;
  --text: #e8ecf3;
  --text-dim: #9aa4b8;
  --text-faint: #6b7488;
  --brand: #4f8cff;
  --brand-strong: #3a76e8;
  --accent: var(--brand);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1120px;
  --gutter: clamp(1.1rem, 4vw, 2.5rem);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --shadow: 0 18px 50px -20px rgba(0, 0, 0, 0.7);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.1rem, 6vw, 3.6rem);
}
h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}
h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 1rem;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(3.5rem, 9vw, 6.5rem);
}

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 0.9rem;
}

.lead {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--text-dim);
  max-width: 56ch;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brand);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 200;
}
.skip-link:focus {
  left: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--brand-strong);
}
.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn[aria-disabled="true"] {
  opacity: 0.65;
  cursor: default;
  pointer-events: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.brand .logo {
  width: 30px;
  height: 30px;
}
.brand-logo {
  height: 30px;
  width: auto;
  display: block;
}
.main-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1.6rem;
}
.main-nav a {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.97rem;
  transition: color 0.15s ease;
}
.main-nav a:hover {
  color: var(--text);
}
.lang-switch {
  display: flex;
  gap: 0.15rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.15rem;
  font-size: 0.8rem;
}
.lang-switch a {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  color: var(--text-faint);
}
.lang-switch a[aria-current="true"] {
  background: var(--brand);
  color: #fff;
}

/* Hero */
.hero {
  position: relative;
  padding-block: clamp(3.5rem, 10vw, 7rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -40% 0 auto 0;
  height: 600px;
  background: radial-gradient(
      60% 60% at 25% 20%,
      rgba(79, 140, 255, 0.22),
      transparent 70%
    ),
    radial-gradient(50% 50% at 85% 10%, rgba(184, 137, 58, 0.16), transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.hero h1 {
  max-width: 16ch;
}
.hero .lead {
  margin-bottom: 2rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

/* App grid */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.4rem;
  margin-top: 2.6rem;
}
.app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.7rem;
  transition: transform 0.18s ease, border-color 0.18s ease;
  overflow: hidden;
}
.app-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--app-accent, var(--brand));
  opacity: 0.85;
}
.app-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}
.app-card .app-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  background: color-mix(in srgb, var(--app-accent, var(--brand)) 18%, var(--bg-elev));
  border: 1px solid color-mix(in srgb, var(--app-accent, var(--brand)) 40%, transparent);
  margin-bottom: 1.1rem;
}
.app-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.2rem;
}
.app-card .tagline {
  color: var(--text);
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.app-card .desc {
  color: var(--text-dim);
  font-size: 0.95rem;
  flex: 1;
}
.app-card .card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.2rem;
}
.app-card .arrow {
  color: var(--app-accent, var(--brand));
  font-weight: 600;
  font-size: 0.95rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
}
.badge-live {
  background: rgba(46, 204, 113, 0.15);
  color: #4cd787;
}
.badge-coming {
  background: rgba(184, 137, 58, 0.16);
  color: #d9a85a;
}

/* Values */
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.4rem;
  margin-top: 2.6rem;
}
.value {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
}
.value .v-icon {
  font-size: 1.6rem;
  margin-bottom: 0.8rem;
}
.value h3 {
  margin-bottom: 0.4rem;
}
.value p {
  color: var(--text-dim);
  font-size: 0.96rem;
  margin: 0;
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--bg-elev), var(--bg-card));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(2rem, 5vw, 3.4rem);
  text-align: center;
}
.cta-band h2 {
  margin-bottom: 0.6rem;
}
.cta-band p {
  color: var(--text-dim);
  max-width: 50ch;
  margin-inline: auto;
  margin-bottom: 1.6rem;
}

/* App detail */
.app-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(1.5rem, 5vw, 3.5rem);
  align-items: center;
  padding-block: clamp(2.5rem, 7vw, 4.5rem);
}
@media (max-width: 820px) {
  .app-hero {
    grid-template-columns: 1fr;
  }
}
.app-hero .big-icon {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  font-size: 2.6rem;
  background: color-mix(in srgb, var(--app-accent) 18%, var(--bg-elev));
  border: 1px solid color-mix(in srgb, var(--app-accent) 40%, transparent);
  margin-bottom: 1.3rem;
}
.app-hero .visual {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  background: radial-gradient(
      circle at 50% 35%,
      color-mix(in srgb, var(--app-accent) 30%, transparent),
      transparent 65%
    ),
    var(--bg-elev);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  font-size: clamp(5rem, 18vw, 9rem);
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-dim);
  font-size: 0.92rem;
  margin-bottom: 1.4rem;
}
.back-link:hover {
  color: var(--text);
}
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
}
.meta-row .meta-item .k {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  margin-bottom: 0.2rem;
}
.meta-row .meta-item .v {
  font-weight: 600;
}

/* Screenshot reali */
.hero-shot {
  display: flex;
  justify-content: center;
}
.hero-shot img {
  max-height: 540px;
  width: auto;
  border-radius: 22px;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
}
.shots {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.shots .shot {
  height: 460px;
  width: auto;
  flex: 0 0 auto;
  border-radius: 18px;
  border: 1px solid var(--border);
  scroll-snap-align: start;
  background: var(--bg-elev);
}
@media (max-width: 600px) {
  .shots .shot {
    height: 380px;
  }
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.3rem;
  margin-top: 2.4rem;
}
.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.feature .f-icon {
  font-size: 1.5rem;
  margin-bottom: 0.7rem;
}
.feature h3 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}
.feature p {
  color: var(--text-dim);
  font-size: 0.94rem;
  margin: 0;
}

/* FAQ */
.faq-list {
  margin-top: 2rem;
  max-width: 760px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  margin-bottom: 0.8rem;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 1.1rem 1.3rem;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  color: var(--brand);
  font-size: 1.3rem;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item .faq-body {
  padding: 0 1.3rem 1.2rem;
  color: var(--text-dim);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
  padding-block: 3rem 2rem;
  margin-top: 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}
.footer-brand p {
  color: var(--text-dim);
  font-size: 0.95rem;
  max-width: 34ch;
}
.footer-col h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin: 0 0 0.9rem;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li {
  margin-bottom: 0.55rem;
}
.footer-col a {
  color: var(--text-dim);
  font-size: 0.95rem;
}
.footer-col a:hover {
  color: var(--text);
}
.footer-bottom {
  margin-top: 2.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: space-between;
  color: var(--text-faint);
  font-size: 0.88rem;
}

/* Form contatti */
.contact-form {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.contact-form .field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.contact-form label {
  font-weight: 600;
  font-size: 0.95rem;
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.9rem;
  transition: border-color 0.15s ease;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--brand);
}
.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}
.contact-form .checkbox {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-weight: 400;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.contact-form .checkbox input {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  accent-color: var(--brand);
  flex: 0 0 auto;
}
.contact-form .checkbox a {
  color: var(--brand);
  text-decoration: underline;
}
.contact-form button {
  align-self: flex-start;
}
.contact-form .form-alt {
  font-size: 0.9rem;
  color: var(--text-faint);
  margin: 0;
}
.contact-form .form-alt a {
  color: var(--brand);
}
/* Honeypot: nascosto a utenti e screen reader */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
/* Banner errore: nascosto finché l'URL non punta a #form-error */
.form-error {
  display: none;
  margin-top: 1.6rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 99, 99, 0.12);
  border: 1px solid rgba(255, 99, 99, 0.4);
  color: #ffb4b4;
  font-size: 0.95rem;
}
.form-error a {
  color: #fff;
  text-decoration: underline;
}
.form-error:target {
  display: block;
}

.prose {
  max-width: 70ch;
}
.prose p {
  color: var(--text-dim);
}
.prose .updated {
  font-size: 0.9rem;
  color: var(--text-faint);
  margin-top: -0.4rem;
}

/* Contenuto markdown (privacy policy) */
.md {
  margin-top: 1.6rem;
}
.md h2 {
  font-size: 1.3rem;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
}
.md h3 {
  font-size: 1.08rem;
  margin-top: 1.4rem;
}
.md p,
.md li {
  color: var(--text-dim);
}
.md .muted {
  font-size: 0.9rem;
  color: var(--text-faint);
  margin-top: -0.4rem;
}
.md ul,
.md ol {
  padding-left: 1.3rem;
  margin-bottom: 1rem;
}
.md li {
  margin-bottom: 0.4rem;
}
.md a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.md blockquote {
  margin: 1.2rem 0;
  padding: 0.9rem 1.2rem;
  border-left: 3px solid var(--brand);
  background: var(--bg-elev);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.md blockquote p {
  margin: 0;
}
.md code {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1rem 0.4rem;
  font-size: 0.9em;
}
.md hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}
.md table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.4rem 0;
  font-size: 0.95rem;
}
.md th,
.md td {
  border: 1px solid var(--border);
  padding: 0.6rem 0.8rem;
  text-align: left;
  vertical-align: top;
  color: var(--text-dim);
}
.md th {
  background: var(--bg-elev);
  color: var(--text);
  font-weight: 600;
}
.legal-table {
  border-collapse: collapse;
  margin: 1.4rem 0;
  width: 100%;
  max-width: 520px;
}
.legal-table th,
.legal-table td {
  text-align: left;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border);
  vertical-align: top;
}
.legal-table th {
  color: var(--text-faint);
  font-weight: 600;
  width: 42%;
  background: var(--bg-elev);
}
.legal-table td {
  color: var(--text);
}

@media (max-width: 600px) {
  .main-nav {
    gap: 1rem;
  }
  .main-nav .nav-link {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}