* {
  padding: 0;
  border: 0;
  margin: 0;
  background: none;
  box-sizing: border-box;
  font-family: 'Archivo', sans-serif;
  --font-size: calc(15px + 0.25vw);      /* 16 to 20 px on 400 to 2000 display width  */
  --font-size-sec: calc(13px + 0.2vw);   /* 14 to 17 px on 400 to 2000 display width  */
  --font-size-title: calc(22px + 0.5vw); /* 24 to 32 px on 400 to 2000 display width  */
  font-size: var(--font-size);
  font-weight: 300;
  --brand-color: rgb( 43, 65, 98 );
  --brand-accent: rgb( 248, 198, 48 );
}

body {
  min-height: 100vh;
  background: #fff;
}

/* navbar */

nav {
  position: sticky;
  top: 0;
  width: 100%;
  height: auto;
  background: #fff;
  padding: 4vw;
  padding-right: 8vw;
  padding-bottom: 0;
  box-shadow: 0px 0px 40px 40px #fff;
}

nav > img {
  max-width: calc( 134px + 52vw - 12vw );
  display: block;
  margin: auto
}

/* descrizione */

.main_description_body {
  padding: var(--font-size-title);
  margin: auto;
  width: calc( 154px + 52vw ); /* 100% to 60% on 320 to 2000 display width  */
  display: flex;
  flex-direction: row;
}

.main_description_body > div:nth-child(1) {
  padding-right: var(--font-size-title);
  margin-top: var(--font-size-title);
  border-left: 4px solid var(--brand-color);
}


.main_description_body p {
  margin-top: var(--font-size-title);
  line-height: 1.5;
  letter-spacing: calc( var(--font-size) / 20 );
}

/* contatti */

.contacts {
  padding: var(--font-size-title);
  margin: auto;
  width: calc( 154px + 52vw ); /* 100% to 60% on 320 to 2000 display width  */
}

.contacts > h2 {
  color: var(--brand-color);
  font-size: var(--font-size-title);
  font-weight: 500;
}

.contacts > div {
  margin-top: 12px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  grid-column-gap: 12px;
  grid-row-gap: 8px;
}

.contacts > div > img {
  width: var(--font-size-title);
  height: var(--font-size-title);
}

.contacts > div > a {
  font-weight: 500;
}

/* footer */

footer {
  margin-top: var(--font-size-title);
  padding: var(--font-size);
  background: var(--brand-accent);
  display:flex;
  flex-direction: row;
  align-items: start;
  justify-content: space-between;
  gap: 1vw;
}

@media only screen and (max-width: 800px) {
  footer {
    flex-direction: column;
    align-items: start;
  }
}

footer > h3 {
  color: #000d;
  font-size: var(--font-size-sec);
  font-weight: 500;
}

footer > h3 > b {
  color: #000;
  font-size: var(--font-size-sec);
  font-weight: 700;
}

footer > p {
  color: #000d;
  font-size: var(--font-size-sec);
  font-weight: 500;
}