@font-face {
  font-family: Inter;
  src: url("assets/inter.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --ink: #1e1e1e;
  --paper: #fff;
  --gutter: clamp(1.25rem, 5.2vw, 4.7rem);
  --gap: clamp(1.5rem, 5.2vw, 4.7rem);
  --section-space: clamp(3.75rem, 9vw, 9.375rem);
  --heading-size: clamp(2.09rem, 1.61rem + 2.373vw, 3.75rem);
  --subheading-size: clamp(1.25rem, 1.18rem + 0.357vw, 1.5rem);
  color: var(--ink);
  background: var(--paper);
  font: 1rem/1.65 Inter, Arial, sans-serif;
}

* { box-sizing: border-box; }

body, h1, h2, h3, h4, p, ul { margin: 0; }

h1, h2 {
  font-size: var(--heading-size);
  font-weight: 500;
  line-height: 1;
}

h3, h4 {
  font-size: var(--subheading-size);
  font-weight: 500;
  line-height: 1.2;
}

strong { font-weight: 700; }

img {
  display: block;
  max-inline-size: 100%;
  block-size: auto;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  inset: 0.75rem auto auto 0.75rem;
  z-index: 2;
  padding: 0.5rem 1rem;
  color: var(--ink);
  background: var(--paper);
  transform: translateY(-150%);
}

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

.container {
  width: min(100% - 2 * var(--gutter), 90rem);
  margin-inline: auto;
}

.section { padding-block: var(--section-space); }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 1.5rem;
}

.site-logo { display: inline-block; }

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.55rem;
}

.site-header nav a { text-decoration: none; }
.site-header nav a:hover { text-decoration: underline; }

.contact-button {
  display: inline-block;
  padding: 1rem 1.5rem;
  background: var(--ink);
  color: var(--paper);
}

.contact-button:focus-visible { outline-color: var(--ink); }

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: 70vh;
  place-items: center;
  padding: 3rem var(--gutter);
  text-align: center;
  color: var(--paper);
  background: #010101;
}

.hero-image,
.hero-image img {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
}

.hero-image {
  z-index: -1;
  opacity: 0.44;
  overflow: hidden;
}

.hero-image img {
  object-fit: cover;
  object-position: center;
  filter: grayscale(1);
}

.hero-copy { max-width: 38.75rem; }
.hero-copy p { margin-top: 1.5rem; }

.about, .product-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--gap);
}

.about { grid-template-columns: minmax(0, 45fr) minmax(0, 55fr); }
.about h3 { font: inherit; font-weight: 700; }
.about h3 + p { margin-top: 1.25rem; }
.about p + h3 { margin-top: 1.5rem; }

.personnel {
  color: var(--paper);
  background: #000;
}

.personnel-grid, .products {
  display: grid;
  grid-template-columns: minmax(0, 4fr) repeat(2, minmax(0, 3fr));
  gap: var(--gap);
}

.square-photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.personnel article h3 { margin-top: 1.25rem; }
.personnel article p { margin-top: 1.25rem; }
.personnel article .role { margin-top: 0.25rem; }

.products { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.products article p, .product-list { margin-top: 1.5rem; }
.products article h4 { margin-top: 2.5rem; }

.product-logo {
  display: grid;
  height: 7.5rem;
  place-items: center;
  margin-bottom: 0.75rem;
}

.product-logo img { max-height: 100%; object-fit: contain; }
.product-list { padding-left: 1.125em; }

.product-detail {
  align-items: center;
  padding-block: clamp(2.25rem, 5vw, 4.7rem);
}

#kasse-title { font-size: var(--subheading-size); }

.copy > h2 + p, .copy > p + p { margin-top: 1.5rem; }

.features {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem 0.75rem;
  padding: 0;
  margin-top: 2rem;
  list-style: none;
  text-align: center;
}

.features-velos { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.features li { overflow-wrap: anywhere; }
.features img { margin: 0 auto 0.5rem; }

footer {
  border-top: 1px solid #bbb;
  margin-top: clamp(2rem, 6vw, 5.5rem);
}

footer .section { padding-block: clamp(2.5rem, 5vw, 4.7rem); }

.contact-grid {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.contact-grid h2 { font-size: var(--subheading-size); letter-spacing: normal; }
.contact-grid p + p, .contact-grid h2 + p { margin-top: 0.75rem; }
address { font-style: normal; }

.copyright {
  padding: 2rem var(--gutter);
  color: var(--paper);
  background: var(--ink);
  text-align: center;
}

@media (max-width: 900px) {
  .personnel-grid, .products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .personnel-grid > h2, .products > h2 { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .site-header { flex-direction: column; align-items: flex-start; padding-block: 0.75rem; }
  .site-header nav { gap: 0.5rem 1rem; font-size: 0.875rem; }
  .contact-button { padding: 0.6rem 0.75rem; }
  .hero { padding-inline: clamp(1.5rem, 12vw, 3.75rem); }
  .desktop-break { display: none; }
  .hero-copy p { font-size: 0.9375rem; }
  .about, .personnel-grid, .products, .product-detail { grid-template-columns: minmax(0, 1fr); }
  .personnel article { max-width: 28rem; }
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-grid address { grid-column: 1 / -1; }
}