@font-face {
  font-family: "Elms Sans";
  src: url("fonts/ElmsSans-VF.woff2") format("woff2");
  font-optical-sizing: auto;
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Neutral Sans";
  src: url("fonts/NeutralSansVF.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --couleur-neutre: oklch(0.97 0.005 157);
  --couleur-neutre-sombre: oklch(0.93 0.005 157);
  --couleur-primaire: oklch(0.6 0.12 157);
  --couleur-primaire-clair: oklch(0.94 0.015 157);
  --couleur-primaire-sombre: oklch(0.4 0.05 157);
  --couleur-secondaire: oklch(0.55 0.15 250);
  --couleur-secondaire-clair: oklch(0.93 0.015 250);
  --couleur-secondaire-sombre: oklch(0.4 0.05 250);
  --couleur-gris: oklch(0.58 0 275);
  --couleur-gris-sombre: oklch(0.35 0.002 150);
  --couleur-gris-clair: oklch(0.95 0.005 145);
}

@layer base, components, utilities;

@layer base {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  body {
    font-family: "Elms Sans", sans-serif;
    line-height: 1.5;

    background-image:
      repeating-linear-gradient(
        to right,
        var(--couleur-gris-clair) 0,
        var(--couleur-gris-clair) 2px,
        transparent 0,
        transparent 50%
      ),
      repeating-linear-gradient(
        to bottom,
        var(--couleur-gris-clair) 0,
        var(--couleur-gris-clair) 2px,
        transparent 0,
        transparent 50%
      );
    background-size: 60px 60px;
    background-color: var(--couleur-neutre);
  }

  h1,
  h2,
  h3 {
    font-family: "Neutral Sans", sans-serif;
    color: var(--couleur-primaire-sombre);
    margin-block-end: 0.6em;
    text-wrap: balance;
    line-height: 1.25;
  }

  main,
  nav {
    max-inline-size: 95ch;
    inline-size: calc(100% - 2rem);
    margin-inline: auto;
  }

  svg,
  img {
    display: block;
    max-inline-size: 100%;
    block-size: auto;
    flex-shrink: 0;
  }

  a:not(.link_button) {
    text-decoration: none;
    font-weight: 700;
    color: var(--couleur-secondaire);
  }

  a:not(.link_button):visited {
    color: var(--couleur-secondaire);
  }

  a:not(.link_button):hover,
  a:not(.link_button):focus-visible {
    text-decoration: underline;
    color: var(--couleur-secondaire-sombre);
  }
  small {
    color: var(--couleur-gris);
    font-size: 0.9em;
  }
}

@layer components {
  svg.icon {
    width: 1.75rem;
    height: 1.75rem;
  }

  header {
    position: sticky;
    top: -2rem;
    z-index: 9;
    padding-block: 3rem;
    padding-block-end: 3rem;
  }

  header[data-scrolled="true"] {
    background-image: linear-gradient(
      to bottom,
      color-mix(in srgb, var(--couleur-neutre) 95%, transparent) 85%,
      transparent
    );
  }

  #logo {
    max-inline-size: 15rem;
  }

  h1 {
    color: var(--couleur-primaire);
  }

  h1 mark {
    background: var(--couleur-primaire);
    color: var(--couleur-neutre);
  }

  .gescoop {
    font-weight: bold;
    color: var(--couleur-primaire);
    font-size: 1.25em;
  }

  section {
    margin-block: 4rem;
  }
  section p {
    max-inline-size: 90ch;
    margin-block-end: 1rem;
  }

  footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding-block: 1.5rem;
    text-align: center;
  }

  .cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    inline-size: 100%;
    gap: 0.75rem;
    list-style: none;
    padding: 0;
  }

  .cards .card:last-child {
    grid-column: 1 / -1;
  }

  .card {
    --carte-fond: var(--couleur-primaire-clair);
    --carte-bordure: var(--couleur-primaire);
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--carte-fond);
    border: solid 1px var(--carte-bordure);
  }

  .card[data-variante="fonctionnalite"] {
    grid-template-rows: 2lh 1fr;
  }

  .card[data-variante="fonctionnalite"] h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0;
  }

  .card[data-variante="solution_compatible"] {
    --carte-bordure: var(--couleur-secondaire);
    --carte-fond: var(--couleur-secondaire-clair);
    grid-template-rows: none;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    font-size: 1.1em;
  }

  .card[data-variante="solution_compatible"] em {
    color: #2c217e;
    font-style: normal;
    font-weight: 700;
  }

  .card[data-variante="solution_compatible"] svg {
    margin: auto;
  }

  @media (max-width: 600px) {
    .card[data-variante="solution_compatible"] {
      grid-template-rows: auto 1fr;
      grid-template-columns: none;
    }
  }

  .card[data-variante="tarif"] {
    text-align: center;
    gap: 0;
    inline-size: fit-content;
    margin-inline: auto;
    padding-inline: 6rem;
    margin-block-start: 1.25rem;
  }

  .card[data-variante="tarif"] .prix {
    font-weight: 700;
    font-size: 2rem;
    color: var(--couleur-primaire);
  }

  .card[data-variante="tarif"] small {
    margin-block-start: 1rem;
  }

  #ethique ul {
    padding-inline: 2rem 5rem;
  }

  #ethique li {
    padding-block-end: 0.75rem;
    padding-inline-start: 0.5rem;
  }

  .link_button {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: fit-content;

    margin-inline: auto;
    margin-block-start: 1.25rem;
    padding-block: 0.75rem;
    padding-inline-start: 1rem;
    padding-inline-end: 1.25rem;

    color: var(--couleur-primaire-clair);
    background-color: var(--couleur-primaire);
    transition:
      background-color 50ms,
      scale 150ms;
    will-change: scale;

    font-variation-settings: "wght" 650;
    letter-spacing: -0.02em;
    font-size: 1.125em;
    text-decoration: none;
  }

  .link_button:hover,
  .link_button:focus-visible {
    background-color: var(--couleur-primaire-sombre);
    transition-duration: 100ms;
    scale: 1.02;
  }
}

@layer utilities {
  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}