/* Regia: pagine pubbliche (presentazione, guida, privacy, termini, Ponte). Scuro come l'app, leggibile, sobrio. */
@font-face {
  font-family: 'Plex';
  src: local('IBM Plex Sans'), local('IBMPlexSans');
  font-display: swap;
}
:root {
  color-scheme: dark;
  --bg: #0a0b0d;
  --panel: #111317;
  --raised: #171a20;
  --line: #252a33;
  --line2: #313744;
  --ink: #e8eaee;
  --ink2: #a9b0bc;
  --ink3: #808898;
  --go: #27d17f;
  --standby: #f5b83d;
  --select: #5b9dff;
  --audio: #25c2d6;
  --video: #7b8cff;
  --light: #e9c46a;
}
* {
  box-sizing: border-box;
}
html {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 'IBM Plex Sans', 'Plex', system-ui, -apple-system, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}
body {
  margin: 0;
}
a {
  color: inherit;
}
img {
  max-width: 100%;
}
.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* intestazione e piede */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: rgba(10, 11, 13, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}
.site-header nav a {
  color: var(--ink2);
  text-decoration: none;
}
.site-header nav a:hover {
  color: var(--ink);
}
.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  padding: 32px 20px 40px;
  border-top: 1px solid var(--line);
  color: var(--ink3);
  font-size: 13.5px;
}
.site-footer a {
  color: var(--ink2);
}

/* pulsanti */
.btn-primary,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: transform 0.15s, background-color 0.15s;
}
.site-header .btn-primary {
  height: 36px;
  padding: 0 14px;
  font-size: 14px;
  color: #06101f !important;
}
.btn-primary {
  background: var(--select);
  color: #06101f;
}
.btn-primary:hover {
  background: #74acff;
}
.btn {
  border: 1px solid var(--line2);
  background: var(--raised);
  color: var(--ink);
}
.btn:hover {
  border-color: var(--ink3);
}
.btn-primary:active,
.btn:active {
  transform: scale(0.97);
}

/* presentazione */
.hero {
  padding: 72px 0 40px;
  display: grid;
  gap: 40px;
  align-items: center;
}
@media (min-width: 960px) {
  .hero {
    grid-template-columns: 1fr 1.1fr;
    padding-top: 96px;
  }
}
.eyebrow {
  color: var(--go);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1 {
  font-size: clamp(36px, 5.2vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 14px 0 18px;
}
.lead {
  font-size: 18.5px;
  color: var(--ink2);
  max-width: 560px;
  margin: 0 0 26px;
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.price-note {
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--ink3);
}
.mock {
  border: 1px solid var(--line2);
  border-radius: 14px;
  background: linear-gradient(180deg, #13161b, #0c0e11);
  box-shadow: 0 40px 120px -40px rgba(91, 157, 255, 0.25);
  overflow: hidden;
}
.mock img {
  display: block;
  width: 100%;
}
section.band {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}
h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin: 0 0 12px;
}
.sub {
  color: var(--ink2);
  font-size: 17px;
  max-width: 680px;
  margin: 0 0 36px;
}
.steps {
  display: grid;
  gap: 16px;
}
@media (min-width: 800px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}
.step {
  border-top: 1px solid var(--line2);
  padding: 20px 0 6px;
}
.step b {
  display: block;
  font-size: 17px;
  margin: 10px 0 6px;
}
.step span.n {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  color: var(--standby);
  font-size: 13px;
}
.step p {
  margin: 0;
  color: var(--ink2);
  font-size: 15px;
}
.features {
  display: grid;
  gap: 0 48px;
}
@media (min-width: 720px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1040px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}
.feature {
  border-top: 1px solid var(--line);
  padding: 22px 0 26px;
}
.feature h3 {
  margin: 12px 0 8px;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.feature p {
  margin: 0;
  color: var(--ink2);
  font-size: 15px;
}
.feature ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--ink2);
  font-size: 14.5px;
}
.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tags span {
  border: 1px solid var(--line2);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 14px;
  color: var(--ink2);
  background: var(--raised);
}
.price {
  display: grid;
  gap: 18px;
  border: 1px solid var(--line2);
  border-radius: 16px;
  padding: 30px;
  background: linear-gradient(160deg, #141820, #0e1013);
}
@media (min-width: 860px) {
  .price {
    grid-template-columns: 1fr 1fr;
  }
}
.amount {
  font-size: 52px;
  font-weight: 600;
  letter-spacing: -0.04em;
}
.amount small {
  font-size: 16px;
  color: var(--ink2);
  font-weight: 400;
  letter-spacing: 0;
}
.check {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  color: var(--ink2);
}
.check li::before {
  content: '✓';
  color: var(--go);
  font-weight: 700;
  margin-right: 10px;
}
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16.5px;
}
.faq details p {
  color: var(--ink2);
  margin: 10px 0 0;
}

/* guida pubblica */
.guide-layout {
  display: grid;
  max-width: 1200px;
  margin: 0 auto;
}
@media (min-width: 900px) {
  .guide-layout {
    grid-template-columns: 270px 1fr;
  }
}
.guide-nav {
  border-right: 1px solid var(--line);
  padding: 20px 12px;
  display: none;
}
@media (min-width: 900px) {
  .guide-nav {
    display: block;
    position: sticky;
    top: 61px;
    height: calc(100vh - 61px);
    overflow-y: auto;
  }
}
.guide-nav a {
  display: block;
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--ink2);
  text-decoration: none;
  font-size: 14px;
}
.guide-nav a span {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  color: var(--ink3);
  font-size: 12px;
  margin-right: 4px;
}
.guide-nav a.active,
.guide-nav a:hover {
  background: var(--raised);
  color: var(--ink);
}
.guide-main {
  padding: 36px 24px 72px;
  min-width: 0;
}
.guide-cards {
  display: grid;
  gap: 12px;
}
@media (min-width: 700px) {
  .guide-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
.guide-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  text-decoration: none;
  background: var(--panel);
}
.guide-card:hover {
  border-color: var(--line2);
}
.guide-card span {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  color: var(--ink3);
  font-size: 12px;
}
.guide-card strong {
  display: block;
  margin: 4px 0;
}
.guide-card em {
  font-style: normal;
  color: var(--ink2);
  font-size: 14px;
}
.pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  max-width: 760px;
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.pager a {
  color: var(--select);
  text-decoration: none;
}

/* testo della guida (anche dentro l'app) */
.guide-prose {
  max-width: 760px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink2);
}
.guide-prose h1 {
  font-size: 34px;
  color: var(--ink);
  margin-top: 0;
}
.guide-prose h2 {
  font-size: 23px;
  color: var(--ink);
  margin: 40px 0 10px;
  scroll-margin-top: 80px;
}
.guide-prose h3 {
  font-size: 17.5px;
  color: var(--ink);
  margin: 28px 0 6px;
}
.guide-prose strong {
  color: var(--ink);
}
.guide-prose code,
.guide-prose kbd {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.86em;
  background: var(--raised);
  border: 1px solid var(--line2);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--ink);
}
.guide-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  margin: 16px 0;
}
.guide-prose th,
.guide-prose td {
  border-bottom: 1px solid var(--line);
  padding: 8px 6px;
  text-align: left;
  vertical-align: top;
}
.guide-prose th {
  color: var(--ink);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.guide-prose blockquote {
  margin: 18px 0;
  border: 1px solid rgba(91, 157, 255, 0.28);
  background: rgba(91, 157, 255, 0.07);
  border-radius: 10px;
  padding: 10px 16px;
}
.guide-prose blockquote.warn {
  border-color: rgba(245, 184, 61, 0.32);
  background: rgba(245, 184, 61, 0.08);
}
.guide-prose blockquote p {
  margin: 4px 0;
}
.guide-prose li {
  margin: 4px 0;
}
.guide-prose a {
  color: var(--select);
}

/* pagine legali e del Ponte */
.doc {
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 20px 72px;
  color: var(--ink2);
}
.doc h1 {
  font-size: 34px;
  color: var(--ink);
}
.doc h2 {
  font-size: 20px;
  color: var(--ink);
  margin-top: 32px;
}
.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.doc td,
.doc th {
  border-bottom: 1px solid var(--line);
  padding: 8px 6px;
  text-align: left;
  vertical-align: top;
}
.doc th {
  color: var(--ink);
}
.downloads {
  display: grid;
  gap: 12px;
  margin: 20px 0;
}
@media (min-width: 700px) {
  .downloads {
    grid-template-columns: repeat(3, 1fr);
  }
}
.downloads a {
  display: block;
  border: 1px solid var(--line2);
  border-radius: 10px;
  padding: 16px;
  text-decoration: none;
  background: var(--panel);
}
.downloads a b {
  color: var(--ink);
  display: block;
}
.downloads a small {
  color: var(--ink3);
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}
@media (max-width: 700px) {
  .hide-sm {
    display: none;
  }
  .site-header nav {
    gap: 12px;
  }
}