@font-face {
  font-family: "Standard";
  src: url("standard-book-webfont.woff2") format("woff2"),
       url("standard-book-webfont.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Standard";
  src: url("standard-book-italic-webfont.woff2") format("woff2"),
       url("standard-book-italic-webfont.ttf") format("truetype");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Standard";
  src: url("standard-bold-webfont.woff2") format("woff2"),
       url("standard-bold-webfont.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Standard";
  src: url("standard-bold-italic-webfont.woff2") format("woff2"),
       url("standard-bold-italic-webfont.ttf") format("truetype");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

:root {
  --bg: #0b0c10;
  --text: #e8e8ea;
  --muted: #a7a7ad;
  --border: rgba(255,255,255,.10);
  --border-strong: rgba(255,255,255,.16);
  --shadow: 0 18px 45px rgba(0,0,0,.45);
  --radius: 18px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #000;
  color: var(--text);
  font-family: "Standard", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.45;
  padding: 28px;
}

.wrap {
  width: min(1100px, 100%);
}

.wrap-font {
  width: min(980px, 100%);
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(22px, 4vw, 44px);
  position: relative;
  overflow: hidden;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.22);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .2px;
}

h1 {
  margin: 14px 0 10px;
  font-size: clamp(34px, 5vw, 52px);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.lead {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: clamp(16px, 2.2vw, 18px);
  max-width: 75ch;
}

.lead-font {
  max-width: 62ch;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
  align-items: stretch;
}

.grid-font {
  grid-template-columns: 1.1fr .9fr;
  align-items: start;
  margin-top: 22px;
}

@media (max-width: 860px) {
  .grid,
  .grid-font {
    grid-template-columns: 1fr;
  }
}

.panel,
.panel2 {
  border: 1px solid var(--border);
  background: rgba(0,0,0,.20);
  border-radius: 16px;
  padding: 18px;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 100%;
}

.grid-font .panel {
  display: block;
  min-height: auto;
}

.os {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.os h2 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.02em;
}

.os-tag {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.description,
.meta {
  color: var(--muted);
  font-size: 15px;
}

.meta {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.download-list {
  display: grid;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,.10);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
}

.btn-center {
  justify-content: center;
  gap: 10px;
}

.btn:hover {
  background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.20);
}

.btn:active {
  transform: translateY(1px);
}

.btn small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
  margin-top: 2px;
}

.notes {
  margin-top: 24px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.20);
  border-radius: 16px;
  padding: 18px 20px;
  color: var(--muted);
  font-size: 14px;
}

.notes strong {
  color: var(--text);
}

.glow {
  position: absolute;
  inset: -220px -260px auto auto;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.18), transparent 60%);
  filter: blur(2px);
  pointer-events: none;
  transform: rotate(12deg);
}

.iuav-logo {
  position: fixed;
  top: 18px;
  left: 18px;
  width: 140px;
  max-width: 40vw;
  height: auto;
  filter: invert(1);
  z-index: 9999;
}

.mobile-phone-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}

@media (max-width: 860px) {
  .mobile-phone-grid {
    grid-template-columns: 1fr;
  }
}

.mobile-phone-card {
  border: 1px solid var(--border);
  background: rgba(0,0,0,.20);
  border-radius: 16px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: stretch;
}

.mobile-phone-card img {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  padding: 12px;
}

.mobile-phone-card h3 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.sample {
  margin: 0 0 10px;
  word-break: break-word;
}

.sample.big {
  font-size: 40px;
  letter-spacing: -0.01em;
  font-weight: 400;
}

.sample.text {
  font-size: 20px;
  font-weight: 400;
}

.sample.bold {
  font-size: 20px;
  font-weight: 700;
}

.sample.italic {
  font-size: 20px;
  font-style: italic;
  font-weight: 400;
}

.sample.bolditalic {
  font-size: 20px;
  font-style: italic;
  font-weight: 700;
}

.right-col {
  display: block;
}

.panel2 {
  grid-column: 2;
}

@media (max-width: 860px) {
  .panel2 {
    grid-column: auto;
  }
}

/* Griglia servizi a 4 colonne */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 24px;
}

.service-grid .panel {
  display: flex;
  flex-direction: column;
}

.service-grid .panel .btn {
  margin-top: auto;
}

@media (max-width: 1000px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
}

/* Griglia servizi a 3 colonne */
.service-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 24px;
}

.service-grid-3 .panel {
  display: flex;
  flex-direction: column;
}

.service-grid-3 .panel .btn {
  margin-top: auto;
}

@media (max-width: 860px) {
  .service-grid-3 {
    grid-template-columns: 1fr;
  }
}

.hero-with-image {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 28px;
  align-items: center;
}

.hero-with-image .lead {
  margin-bottom: 0;
}

.hero-image {
  width: 100%;
  max-width: 220px;
  max-height: 220px;
  height: auto;
  object-fit: contain;
  border-radius: 0;
  background: transparent;
  padding: 0;
  justify-self: end;
}

@media (max-width: 760px) {
  .hero-with-image {
    grid-template-columns: 1fr 160px;
    gap: 18px;
  }

  .hero-image {
    max-width: 160px;
    max-height: 160px;
    justify-self: end;
  }
}

@media (max-width: 520px) {
  .hero-with-image {
    grid-template-columns: 1fr;
  }

  .hero-image {
    justify-self: start;
    max-width: 180px;
    max-height: 180px;
  }
}