/* implementerslab.com - feuille de style unique
   Mobile d'abord : les règles de base visent 360px, puis 480 / 768 / 1024px. */

:root {
  color-scheme: only light;
  --ink: #0d0f12;
  --text: #2b2f35;
  --muted: #58606a;
  --navy: #13233b;
  --teal: #0a6c8b;
  --teal-dark: #07526a;
  --teal-soft: #eaf3f6;
  --orange: #f5921f;
  --orange-hover: #ffa63d;
  --orange-edge: #cf7507;
  --line: #d8dde2;
  --line-strong: #bcc4cb;
  --soft: #f3f6f8;
  --white: #ffffff;
  --font: "Source Sans 3", "Source Sans Pro", "Segoe UI", "Helvetica Neue", Arial, system-ui, sans-serif;
  --gutter: 1rem;
  --col: 46rem;
  --space-section: clamp(2.25rem, 1.6rem + 2.6vw, 3.75rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background-color: #ffffff;
  color: #2b2f35;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

body {
  margin: 0;
  background-color: #ffffff;
  color: #2b2f35;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--teal);
  text-underline-offset: 0.18em;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

a:hover {
  color: var(--teal-dark);
}

:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -4rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background-color: var(--ink);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 0.5rem;
  color: #ffffff;
}

/* ---------- Barre de lecture ---------- */

.progress {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  height: 3px;
  background-color: transparent;
  pointer-events: none;
}

.progress__bar {
  display: block;
  height: 100%;
  background-color: var(--orange);
  transform: scaleX(0);
  transform-origin: 0 50%;
}

/* ---------- Masthead ---------- */

.masthead {
  background-color: #ffffff;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
}

.masthead__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "brand label"
    "nav nav";
  align-items: center;
  column-gap: 1rem;
  max-width: 70rem;
  margin: 0 auto;
  padding: 0.5rem var(--gutter) 0;
}

.masthead__inner--doc {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding-bottom: 0.5rem;
}

.masthead__brand {
  grid-area: brand;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  min-height: 2.75rem;
  color: var(--navy);
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.masthead__brand::before {
  content: "";
  flex: none;
  width: 0.8em;
  height: 0.8em;
  border-radius: 50% 50% 50% 12%;
  background-color: var(--orange);
}

.masthead__brand:hover {
  color: var(--teal-dark);
}

.masthead__label {
  grid-area: label;
  justify-self: end;
  padding: 0.25rem 0.5rem;
  border: 1px solid #8f98a1;
  border-radius: 2px;
  background-color: #ffffff;
  color: #3f464e;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.masthead__nav {
  grid-area: nav;
  display: flex;
  flex-wrap: wrap;
  min-width: 0;
  justify-content: space-between;
  gap: 0.25rem;
  margin-top: 0.125rem;
}

.masthead__nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.125rem;
  border-bottom: 3px solid transparent;
  color: var(--teal);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  text-transform: uppercase;
}

.masthead__nav a:hover {
  border-bottom-color: var(--orange);
  color: var(--teal-dark);
}

.masthead__inner--doc .masthead__nav {
  margin-top: 0;
}

/* ---------- Colonne éditoriale ---------- */

.wrap {
  width: 100%;
  max-width: calc(var(--col) + 2 * var(--gutter));
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  margin-top: var(--space-section);
  background-color: #ffffff;
  color: var(--text);
}

.section--band {
  padding: var(--space-section) 0;
  background-color: var(--soft);
  color: var(--text);
}

.section__title {
  margin: 0 0 0.9rem;
  color: var(--ink);
  font-size: clamp(1.3rem, 1.12rem + 0.7vw, 1.625rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.005em;
}

.section p {
  margin: 0 0 1.15rem;
}

/* ---------- En-tête d'article ---------- */

.article-head {
  padding-top: clamp(1.5rem, 0.9rem + 2.6vw, 2.75rem);
  background-color: #ffffff;
  color: var(--text);
}

.article-head__kicker {
  margin: 0 0 0.6rem;
  color: var(--teal);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-head__title {
  margin: 0 0 0.9rem;
  color: var(--ink);
  font-size: clamp(1.5rem, 1.1rem + 1.7vw, 2.125rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.005em;
  text-transform: uppercase;
}

.article-head__byline {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.article-head__dek {
  margin: 0;
  color: var(--text);
  font-size: 1.125rem;
  line-height: 1.55;
}

/* ---------- Médias ---------- */

.figure {
  margin: 1.5rem 0;
}

.figure__caption {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.45;
}

.figure--hero {
  margin: 1.75rem 0 0;
}

.media {
  position: relative;
  overflow: hidden;
  width: 100%;
  background-color: #dde4e8;
}

.media--landscape {
  aspect-ratio: 40 / 21;
}

.media--portrait {
  aspect-ratio: 21 / 40;
}

.media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure__img {
  width: 100%;
  height: auto;
  background-color: #dde4e8;
}

/* ---------- Texte + média ---------- */

.split {
  display: grid;
  gap: 1.25rem;
}

.split__media {
  width: min(100%, 13.5rem);
  margin: 0 auto;
}

.split__media .figure__caption {
  text-align: center;
}

.split__body > :last-child {
  margin-bottom: 0;
}

.split__body .figure {
  margin-top: 1.5rem;
}

/* ---------- Étapes et listes ---------- */

.steps {
  counter-reset: step;
  margin: 1.25rem 0 1.4rem;
  padding: 0;
  list-style: none;
}

.steps__item {
  counter-increment: step;
  position: relative;
  min-height: 2.25rem;
  margin: 0 0 0.85rem;
  padding-left: 3rem;
}

.steps__item::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: -0.1rem;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background-color: var(--teal);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
}

.list {
  margin: 0 0 1.25rem;
  padding-left: 1.25rem;
}

.list li {
  margin-bottom: 0.45rem;
  padding-left: 0.2rem;
}

.list li::marker {
  color: var(--teal);
}

/* ---------- Appel à l'action ---------- */

.cta {
  margin: 1.75rem 0 0;
}

.cta__button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 3.25rem;
  padding: 0.75rem 1rem;
  border-radius: 2px;
  background-color: var(--orange);
  box-shadow: 0 3px 0 var(--orange-edge);
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.cta__button::after {
  content: "\2192";
  font-size: 1.2em;
  transition: transform 0.15s ease;
}

.cta__button:hover {
  background-color: var(--orange-hover);
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 4px 0 var(--orange-edge);
}

.cta__button:hover::after {
  transform: translateX(3px);
}

.cta__button:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--orange-edge);
}

.cta__button:focus-visible {
  outline-color: var(--navy);
}

.leave-note {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.45;
}

.section .leave-note {
  margin: 0.7rem 0 0;
}

/* ---------- Tableau ---------- */

.table-wrap {
  margin: 1.75rem 0 0;
}

.data-table {
  display: block;
  width: 100%;
  border-collapse: collapse;
  color: var(--text);
  font-size: 1rem;
}

.data-table caption {
  display: block;
  padding-bottom: 0.7rem;
  color: var(--ink);
  font-size: 1.0625rem;
  font-weight: 800;
  text-align: left;
}

.data-table thead {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.data-table tbody,
.data-table tr,
.data-table th,
.data-table td {
  display: block;
}

.data-table tr {
  margin-bottom: 0.9rem;
  border: 1px solid var(--line-strong);
  background-color: #ffffff;
}

.data-table tbody tr:nth-child(even) {
  background-color: #f4f7f9;
}

.data-table th[scope="row"] {
  padding: 0.65rem 0.9rem;
  background-color: var(--teal);
  color: #ffffff;
  font-size: 1.0625rem;
  font-weight: 800;
  text-align: left;
}

.data-table td {
  padding: 0.6rem 0.9rem;
  border-top: 1px solid var(--line);
}

.data-table td::before {
  content: attr(data-label);
  display: block;
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

/* ---------- Questions fréquentes ---------- */

.faq {
  margin: 1.25rem 0 0;
  border-top: 1px solid var(--line-strong);
}

.faq__item {
  border-bottom: 1px solid var(--line-strong);
}

.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
  padding: 0.7rem 0;
  color: var(--ink);
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.3;
  list-style: none;
  cursor: pointer;
  transition: color 0.15s ease;
}

.faq__q::-webkit-details-marker {
  display: none;
}

.faq__q::after {
  content: "+";
  display: grid;
  flex: none;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--teal);
  border-radius: 50%;
  color: var(--teal);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.faq__q:hover {
  color: var(--teal-dark);
}

.faq__q:hover::after {
  background-color: var(--teal);
  color: #ffffff;
}

.faq__item[open] .faq__q::after {
  content: "\2212";
  background-color: var(--teal);
  color: #ffffff;
}

.faq__a {
  margin: 0 !important;
  padding: 0 0 1.2rem;
  color: var(--text);
}

/* ---------- Fin d'article ---------- */

.end-rule {
  width: calc(100% - 2 * var(--gutter));
  max-width: var(--col);
  height: 1px;
  margin: clamp(2.5rem, 2rem + 2vw, 4rem) auto 0;
  background-color: var(--line-strong);
}

/* ---------- Pied de page ---------- */

.page-footer {
  background-color: #ffffff;
  color: #565d65;
  font-size: 0.8125rem;
  line-height: 1.6;
  padding: 1.75rem 0 3rem;
}

.page-footer__inner {
  width: 100%;
  max-width: calc(var(--col) + 2 * var(--gutter));
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.page-footer__company {
  margin: 0 0 0.5rem;
  color: #565d65;
}

.page-footer__company p {
  margin: 0;
}

.page-footer__company strong {
  color: var(--ink);
}

.page-footer__nav-legal {
  margin: 0 0 0.75rem;
}

.page-footer__nav-legal ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-footer__nav-legal a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 0.2em;
}

.page-footer__nav-legal a:hover {
  color: var(--teal-dark);
  text-decoration-color: var(--teal-dark);
}

.about-line {
  margin: 0;
  color: #565d65;
}

/* ---------- Pages légales et à propos ---------- */

.doc {
  padding-top: clamp(1.75rem, 1rem + 3vw, 3rem);
  padding-bottom: 1rem;
  background-color: #ffffff;
  color: var(--text);
}

.doc__title {
  margin: 0 0 0.7rem;
  color: var(--ink);
  font-size: clamp(1.5rem, 1.1rem + 1.7vw, 2.125rem);
  font-weight: 700;
  line-height: 1.15;
  text-transform: uppercase;
}

.doc-meta {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.doc__lead {
  margin: 0 0 1.5rem;
  font-size: 1.125rem;
}

.doc__heading {
  margin: 2rem 0 0.6rem;
  color: var(--ink);
  font-size: clamp(1.2rem, 1.08rem + 0.5vw, 1.4rem);
  font-weight: 800;
  line-height: 1.25;
}

.doc p {
  margin: 0 0 1rem;
}

.doc__list {
  margin: 0 0 1.25rem;
  padding-left: 1.25rem;
}

.doc__list li {
  margin-bottom: 0.45rem;
}

.doc__list li::marker {
  color: var(--teal);
}

.doc__address {
  margin: 0 0 1.25rem;
  font-style: normal;
}

.doc__address p {
  margin: 0;
}

.doc .doc-meta {
  margin-bottom: 1.75rem;
}

.doc .doc__lead {
  margin-bottom: 1.5rem;
}

.doc .doc__title + .doc__lead {
  margin-top: 1.25rem;
}

/* ---------- 480px ---------- */

@media (min-width: 480px) {
  :root {
    --gutter: 1.25rem;
  }

  body {
    font-size: 1.125rem;
  }

  .cta__button {
    display: inline-flex;
    min-width: 17rem;
  }

  .masthead__brand {
    font-size: clamp(1.25rem, 1.1rem + 0.8vw, 1.625rem);
  }

  .masthead__label {
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
  }

  .masthead__nav a {
    font-size: 0.875rem;
  }

  .page-footer__nav-legal ul {
    gap: 0 1.5rem;
  }
}

/* ---------- 768px ---------- */

@media (min-width: 768px) {
  :root {
    --gutter: 1.5rem;
  }

  .masthead__inner {
    padding-top: 0.25rem;
  }

  .masthead__inner--doc {
    min-height: 4.5rem;
    padding-top: 0;
  }

  .masthead__nav {
    justify-content: flex-start;
    gap: 2rem;
  }

  .masthead__nav a {
    font-size: 0.9375rem;
  }

  .masthead__inner--doc .masthead__nav {
    justify-content: flex-end;
  }

  .figure--hero {
    margin-top: 2rem;
  }

  .split {
    grid-template-columns: 15rem 1fr;
    gap: 2.25rem;
    align-items: start;
  }

  .split--reverse {
    grid-template-columns: 1fr 15rem;
  }

  .split--reverse .split__media {
    order: 2;
  }

  .split__media {
    position: sticky;
    top: 1.25rem;
    width: 100%;
    margin: 0;
  }

  .split__media .figure__caption {
    text-align: left;
  }

  .split--center {
    align-items: center;
  }

  .split--center .split__media {
    position: static;
  }

  .data-table {
    display: table;
    border: 1px solid var(--line-strong);
  }

  .data-table caption {
    display: table-caption;
  }

  .data-table thead {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    display: table-header-group;
  }

  .data-table tbody {
    display: table-row-group;
  }

  .data-table tr {
    display: table-row;
    margin: 0;
    border: 0;
  }

  .data-table th,
  .data-table td {
    display: table-cell;
    padding: 0.95rem 1rem;
    border: 1px solid var(--line-strong);
    text-align: center;
    vertical-align: middle;
  }

  .data-table thead th {
    background-color: var(--teal);
    color: #ffffff;
    font-size: 0.9375rem;
    font-weight: 800;
    line-height: 1.25;
  }

  .data-table th[scope="row"] {
    background-color: transparent;
    color: var(--ink);
    font-size: 1rem;
    text-align: center;
  }

  .data-table td::before {
    display: none;
  }

  .data-table td {
    font-size: 0.9375rem;
  }

  .faq__q {
    font-size: 1.125rem;
  }
}

/* ---------- 1024px ---------- */

@media (min-width: 1024px) {
  :root {
    --gutter: 2rem;
  }

  .masthead__inner {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "brand nav label";
    min-height: 5.9rem;
    padding-top: 0;
    padding-bottom: 0;
  }

  .masthead__inner--doc {
    min-height: 5.9rem;
  }

  .masthead__nav {
    gap: 2.25rem;
    margin: 0 0 0 clamp(2rem, 6vw, 5.5rem);
  }

  .masthead__nav a {
    font-size: 1rem;
  }

  .masthead__inner--doc .masthead__nav {
    margin-left: 0;
  }

  .article-head__dek {
    font-size: 1.1875rem;
  }

  .split {
    grid-template-columns: 16rem 1fr;
    gap: 2.75rem;
  }

  .split--reverse {
    grid-template-columns: 1fr 16rem;
  }

  .page-footer {
    padding-bottom: 4rem;
  }
}

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

  * {
    transition: none !important;
  }
}