/* === RESET === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

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


/* === VARIABILI === */
:root {
  --color-dark:    #163545;
  --color-cyan:    #6DD5E0;
  --color-pink:    #E57EA8;
  --color-bg:      #F8FAFB;
  --color-surface: #FFFFFF;
  --color-text:    #1A2B35;
  --color-muted:   #5A7080;
  --color-border:  #E2EBF0;

  --font-body: 'Inter', sans-serif;
}


/* === BASE === */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
}


/* === CONTAINER === */
.container {
  max-width: 780px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 3rem);
}


/* === HEADER === */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

header img {
  max-width: 160px;
  height: auto;
}

.revision {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 500;
}


/* === MAIN === */
main {
  background-color: var(--color-surface);
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(22, 53, 69, 0.07);
  padding: clamp(1.5rem, 5vw, 3.5rem);
  margin-block: 2rem;
}


/* === TITOLO H1 === */
h1 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 600;
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 1.75rem;
}


/* === ARTICOLI === */
.article {
  margin-bottom: 2rem;
}

h2 {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 600;
  color: var(--color-dark);
  border-bottom: 2px solid var(--color-cyan);
  padding-bottom: 8px;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}


/* === LISTE === */
ol {
  padding-left: 1.25rem;
}

ol li {
  margin-bottom: 0.6rem;
  line-height: 1.75;
}

ol[type="a"] {
  margin-top: 0.5rem;
}

ol[type="a"] li {
  margin-bottom: 0.6rem;
  line-height: 1.75;
}


/* === INTRO === */
.intro {
  background: color-mix(in srgb, var(--color-cyan) 8%, white);
  border-left: 3px solid var(--color-cyan);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  font-size: 0.95rem;
}


/* === LINK === */
a {
  color: var(--color-dark);
  text-decoration: underline;
  transition: color 150ms ease;
}

a:hover {
  color: var(--color-cyan);
}


/* === STRONG === */
strong {
  color: var(--color-dark);
  font-weight: 600;
}


/* === FOOTER === */
footer {
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
  padding: 1.5rem 0 2rem;
}


/* === HOMEPAGE === */
.hero-wrapper {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  flex: 1;
  justify-content: center;
  padding-inline: clamp(1rem, 5vw, 3rem);
}

.hero-logo {
  max-width: clamp(200px, 50vw, 340px);
  height: auto;
}

.btn-privacy {
  display: inline-block;
  padding: 0.75rem 2rem;
  background-color: var(--color-dark);
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 150ms ease, color 150ms ease;
}

.btn-privacy:hover {
  background-color: var(--color-cyan);
  color: var(--color-dark);
}


/* === 404 === */
.not-found {
  text-align: center;
}

.not-found-code {
  display: block;
  font-size: clamp(4rem, 15vw, 7rem);
  font-weight: 600;
  color: var(--color-cyan);
  line-height: 1;
}

.not-found-msg {
  font-size: clamp(1rem, 3vw, 1.25rem);
  color: var(--color-muted);
  margin-top: 0.5rem;
}


/* === RESPONSIVE === */
@media (max-width: 479px) {
  header {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  header img {
    margin-inline: auto;
  }

  .revision {
    text-align: center;
  }
}