:root {
  color-scheme: light;
  /* Marchio RGB ufficiale CRI: rosso pieno #cc0000. */
  --color-primary: #cc0000;
  --color-page: #f6f7f8;
  --color-surface: #ffffff;
  --color-text: #20262d;
  --color-muted: #4b5662;
  --color-border: #d4dbe0;
  --color-border-strong: #aeb9c1;
  --color-focus: #174d77;
  --color-badge-bg: #eef1f3;
  --radius-sm: 0.375rem;
  --radius-card: 0.625rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-title: clamp(2rem, 3vw, 2.5rem);
  --content-width: 68rem;
}

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

html {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  display: flex;
  min-height: 100vh;
  min-height: 100svh;
  flex-direction: column;
  margin: 0;
  background: var(--color-page);
  color: var(--color-text);
}

a:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  z-index: 1;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-2) var(--space-3);
  transform: translateY(-200%);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.skip-link:focus {
  transform: none;
}

.container {
  width: min(100% - 3rem, var(--content-width));
  margin-inline: auto;
}

.site-header {
  border-top: 3px solid var(--color-primary);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-3);
}

.site-logo {
  display: block;
  width: 15rem;
  max-width: 48%;
  height: auto;
  flex: none;
}

.site-identity {
  border-left: 1px solid var(--color-border);
  padding-left: var(--space-6);
}

.site-name,
.site-context,
.site-footer p {
  margin: 0;
}

.site-name {
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.3;
}

.site-context {
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.page-main {
  flex: 1;
  padding-block: var(--space-12);
}

.page-intro {
  max-width: 44rem;
  margin-bottom: var(--space-8);
}

h1,
h2,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-title);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-intro p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-lg);
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  padding: 0;
  margin: 0;
  list-style: none;
}

.app-grid > li {
  min-width: 0;
}

.app-grid > li:only-child {
  grid-column: 1 / -1;
}

.app-card {
  display: flex;
  min-height: 13rem;
  height: 100%;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-6);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-text);
}

a.app-card {
  text-decoration: none;
}

a.app-card:hover {
  border-color: var(--color-focus);
  box-shadow: 0 3px 12px rgb(32 38 45 / 7%);
}

.app-card__body {
  min-width: 0;
}

.app-card h2,
.app-card p {
  margin: 0;
}

.app-card h2 {
  margin-top: var(--space-4);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.app-card p {
  max-width: 55ch;
  margin-top: var(--space-3);
  color: var(--color-muted);
}

.app-card__status {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-badge-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 600;
}

.app-card__action {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: auto;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 700;
  text-align: center;
}

a.app-card:hover .app-card__action {
  filter: brightness(0.86);
}

.app-card__arrow {
  font-size: 1.2em;
  line-height: 1;
}

.app-icon {
  display: block;
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}

.empty-state {
  grid-column: 1 / -1;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.site-footer .container {
  padding-block: var(--space-4);
}

@media (min-width: 48rem) {
  .app-grid > li:only-child .app-card {
    min-height: 12rem;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .app-grid > li:only-child .app-card__action {
    flex: none;
    margin-top: 0;
  }
}

@media (max-width: 47.999rem) {
  .app-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .app-grid > li:only-child {
    grid-column: auto;
  }
}

@media (max-width: 36rem) {
  .container {
    width: min(100% - 2rem, var(--content-width));
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
  }

  .site-logo {
    max-width: 100%;
    width: 13rem;
  }

  .site-identity {
    border-left: 0;
    padding-left: 0;
    padding-bottom: var(--space-1);
  }

  .page-main {
    padding-block: var(--space-8);
  }

  .page-intro {
    margin-bottom: var(--space-6);
  }

  .app-card {
    min-height: 0;
  }
}