:root {
  --paper: #f6f3e9;
  --ink: #1b1b18;
  --soft-ink: #615f57;
  --line: #b8b3a6;
  --link: #164fbd;
  --mark: #e8df53;
  --content-width: 780px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  width: min(calc(100% - 36px), var(--content-width));
  min-height: 100vh;
  margin: 0 auto;
  padding: 24px 0 64px;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.58;
  overflow-wrap: anywhere;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--ink);
  background: var(--mark);
}

a:focus-visible {
  color: var(--ink);
  background: var(--mark);
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

::selection {
  color: var(--ink);
  background: var(--mark);
}

.skip-link {
  position: fixed;
  z-index: 1;
  top: 12px;
  left: 12px;
  padding: 8px 12px;
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  transform: translateY(calc(-100% - 24px));
}

.skip-link:focus {
  transform: translateY(0);
}

header {
  padding: 12px 0 18px;
  border-bottom: 1px solid var(--ink);
}

.site-name {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.site-name a {
  color: inherit;
  text-decoration: none;
}

.site-name span {
  color: var(--soft-ink);
  font-weight: 400;
}

section {
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}

section:last-child {
  border-bottom: 0;
}

.intro {
  padding-top: 74px;
  padding-bottom: 66px;
}

h1,
h2,
h3 {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.1;
}

h1 {
  max-width: 720px;
  margin: 0 0 26px;
  font-size: clamp(39px, 7vw, 66px);
  letter-spacing: -0.045em;
}

h2 {
  margin: 0 0 24px;
  font-size: clamp(27px, 3.5vw, 34px);
  letter-spacing: -0.025em;
}

h3 {
  margin: 0 0 8px;
  font-size: 21px;
  letter-spacing: -0.012em;
}

p {
  max-width: 690px;
  margin: 0 0 18px;
}

p:last-child {
  margin-bottom: 0;
}

.lead {
  max-width: 680px;
  font-size: clamp(21px, 3vw, 27px);
  line-height: 1.42;
}

.intro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 28px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  font-weight: 700;
}

.service-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.service-list li {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.service-list li:last-child {
  border-bottom: 0;
}

.service-list p {
  margin: 0;
}

.project {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.project:last-child {
  border-bottom: 0;
}

.project-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 10px;
}

.project-header h3 {
  margin: 0;
}

.project-tech {
  flex: 0 0 auto;
  margin: 0;
  color: var(--soft-ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: end;
}

.contact-links {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 19px;
  font-weight: 700;
  text-align: right;
}

.contact-links a {
  display: block;
  margin-top: 8px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 20px;
  padding-top: 20px;
  color: var(--soft-ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
}

footer a {
  color: inherit;
}

/*-----------------------*/
/*--- MENTION LEGALES ---*/
/*-----------------------*/

.legal {
  padding-top: 54px;
}

.legal h1 {
  margin-bottom: 10px;
  font-size: clamp(31px, 5vw, 44px);
}

.last-updated {
  margin: 0 0 8px;
  color: var(--soft-ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
}

.legal section {
  padding: 30px 0;
}

.legal h2 {
  margin-bottom: 14px;
  font-size: 22px;
}

.legal-details {
  max-width: 690px;
  margin: 24px 0 0;
  padding: 8px 20px;
}

.legal-details > div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 20px;
  padding: 12px 0;
}

.legal-details > div + div {
  border-top: 1px solid var(--line);
}

.legal-details dt {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
}

.legal-details dd {
  margin: 0;
}

/*-----------------------*/
/*-------- MOBILE -------*/
/*-----------------------*/

@media (max-width: 680px) {
  body {
    width: min(calc(100% - 24px), var(--content-width));
    padding-bottom: 40px;
    font-size: 17px;
  }

  .intro {
    padding-top: 54px;
    padding-bottom: 50px;
  }

  section {
    padding: 40px 0;
  }

  .service-list li,
  .contact-grid,
  .legal-details > div {
    grid-template-columns: 1fr;
  }

  .service-list li {
    gap: 8px;
  }

  .project-header {
    display: block;
  }

  .project-tech {
    margin-top: 5px;
  }

  .contact-links {
    text-align: left;
  }

  .legal-details > div {
    gap: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .skip-link {
    transition: none;
  }
}