/**
 * AKDB SNIPPET CSS — 310 FONDATION GLOBALE
 *
 * Nom FluentSnippets : 310 — CSS — AKDB Fondation globale
 * Description : Fondation visuelle AKDB, shell, hero global, header, navigation et footer.
 * Groupe : AKDB / Global
 * Type : CSS
 * Priorité : 20
 * Zone d’exécution : Front-end
 * Conditions d’exécution : Toutes les pages shell AKDB.
 * Dépendances : Markup shell 010, classes `akdb-*`, Google Fonts, visuels hero/logo.
 * Fichier source : _dev/snippets-source/css/310-css-akdb-fondation-globale.css
 * Fichier prod-ready : _dev/prod-ready/20260708-1045-akdb-fluent-snippets-prod-sans-eval/css/310-css-akdb-fondation-globale.css
 * Statut : prêt production
 *
 * Structure du fichier :
 * 01. Variables et reset shell
 * 02. Boutons, header, navigation et hero
 * 03. Animations et footer
 * 04. Responsive mobile et desktop
 *
 * Notes de maintenance :
 * - Ce fichier porte le socle partagé ; tout changement de cascade impacte l'ensemble des pages AKDB.
 * - Les règles du hero et du menu mobile sont sensibles car couplées au JS 410.
 */

/* ==========================================================================
   01. Variables, reset shell et conteneurs communs
   ========================================================================== */
:root {
  --akdb-color-primary: #8fc8be;
  --akdb-color-secondary: #d8ece6;
  --akdb-color-cream: #f4e9e2;
  --akdb-color-accent: #d58b73;
  --akdb-color-ink: #46515b;
  --akdb-color-contact: #39424e;
  --akdb-color-white: #ffffff;
  --akdb-color-line-soft: rgba(70, 81, 91, 0.07);
  --akdb-font-heading: "Poppins", "Segoe UI", sans-serif;
  --akdb-font-body: "Nunito Sans", "Segoe UI", sans-serif;
  --akdb-font-brand: "Comfortaa", "Nunito Sans", "Segoe UI", sans-serif;
  --akdb-container: 76rem;
}

.akdb-page-shell,
.akdb-page-shell *,
.akdb-page-shell *::before,
.akdb-page-shell *::after {
  box-sizing: border-box;
}

.akdb-page-shell {
  min-height: 100vh;
  font-family: var(--akdb-font-body);
  color: var(--akdb-color-ink);
  background:
    radial-gradient(circle at top left, rgba(122, 184, 174, 0.34), transparent 28%),
    radial-gradient(circle at 100% 12%, rgba(213, 139, 115, 0.18), transparent 22%),
    linear-gradient(180deg, #fbf7f3 0%, #f6efe8 44%, #f2f7f5 100%);
}

body.akdb-shell-page .site-header,
body.akdb-shell-page .site-footer,
body.akdb-shell-page .comments-area {
  display: none !important;
}

body.akdb-shell-page .entry-header {
  display: none !important;
}

body.akdb-shell-page .site,
body.akdb-shell-page .site-content,
body.akdb-shell-page .content-area,
body.akdb-shell-page .site-main,
body.akdb-shell-page .inside-article,
body.akdb-shell-page .entry-content,
body.akdb-shell-page article.page {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  border: 0;
  box-shadow: none;
  background: transparent;
}

body.akdb-shell-page .site.grid-container,
body.akdb-shell-page .inside-article,
body.akdb-shell-page .entry-content {
  overflow: visible;
}

.akdb-page-shell img {
  display: block;
  max-width: 100%;
}

.akdb-page-shell a {
  color: inherit;
  text-decoration: none;
}

.akdb-page-shell p,
.akdb-page-shell h1,
.akdb-page-shell h2,
.akdb-page-shell h3,
.akdb-page-shell ul {
  margin: 0;
}

.akdb-page-shell ul {
  padding: 0;
  list-style: none;
}

.akdb-container {
  width: min(100% - 2rem, var(--akdb-container));
  margin: 0 auto;
}

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

.akdb-page-shell h1,
.akdb-page-shell h2,
.akdb-page-shell h3,
.akdb-header__title {
  font-family: var(--akdb-font-heading);
}

.akdb-page-shell h1 {
  font-size: clamp(2.2rem, 7vw, 4.7rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
}

.akdb-page-shell h2 {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  line-height: 1.15;
}

.akdb-button,
.akdb-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.82rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
}

body.akdb-shell-page :is(a, button, input, select, textarea, summary, [role="button"], [tabindex]) {
  -webkit-tap-highlight-color: transparent;
}

body.akdb-shell-page :is(a, button, input, select, textarea, summary, [role="button"], [tabindex]):focus:not(:focus-visible) {
  outline: none;
}

body.akdb-shell-page :is(a, button, input, select, textarea, summary, [role="button"], [tabindex]):focus-visible {
  outline: 2px solid rgba(98, 168, 172, 0.9);
  outline-offset: 3px;
}

.akdb-button {
  border: 1px solid transparent;
  background: var(--akdb-color-accent);
  color: var(--akdb-color-white);
  box-shadow: 0 10px 24px -18px rgba(213, 139, 115, 0.75);
}

.akdb-button--soft {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(57, 66, 78, 0.1);
  color: var(--akdb-color-contact);
  box-shadow: none;
}

.akdb-chip {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: var(--akdb-color-ink);
}

.akdb-chip--header {
  min-height: 2.85rem;
  padding: 0.72rem 1.05rem;
  background: rgba(248, 242, 237, 0.12);
  border-color: rgba(248, 242, 237, 0.22);
  color: rgba(248, 242, 237, 0.96);
  backdrop-filter: blur(8px);
}

.akdb-chip--header-secondary {
  background: var(--akdb-color-contact);
  border-color: var(--akdb-color-contact);
  color: #ffffff;
  box-shadow: 0 10px 24px -18px rgba(57, 66, 78, 0.68);
}

.akdb-chip--header-phone {
  background: #a1d2ce;
  border-color: transparent;
  color: #39424e;
  box-shadow: 0 10px 24px -18px rgba(161, 210, 206, 0.92);
}

.akdb-header__actions .akdb-chip--header-secondary,
.akdb-header__actions .akdb-chip--header-phone,
.akdb-header__actions .akdb-button,
.akdb-home-intro__actions .akdb-chip--header-secondary,
.akdb-home-intro__actions .akdb-chip--header-phone,
.akdb-home-intro__actions .akdb-button {
  color: #ffffff !important;
}

.akdb-link-inline,
.akdb-footer__cta {
  display: inline-flex;
  width: fit-content;
  padding-bottom: 0.12rem;
  border-bottom: 1px solid currentColor;
  font-weight: 800;
}

/* ==========================================================================
   02. Header, navigation et hero global
   Rôle : structure commune du shell, CTA globaux et navigation desktop/mobile.
   ========================================================================== */
.akdb-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 70;
}

.akdb-header__inner {
  padding-top: 1.15rem;
}

.akdb-header__top {
  display: grid;
  gap: 1rem;
  align-items: center;
  position: relative;
}

.akdb-header__identity {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
  position: relative;
  z-index: 2;
}

.akdb-brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.akdb-brand__logo {
  width: 4.45rem;
  height: auto;
  flex: 0 0 auto;
}

.akdb-header .akdb-header__title {
  margin: 0;
  font-family: var(--akdb-font-brand);
  font-size: clamp(1.5rem, 5vw, 2.04rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.05;
  color: rgba(248, 242, 237, 0.98);
  text-shadow: 0 10px 24px rgba(19, 27, 32, 0.3);
}

.akdb-header__actions {
  display: none;
}

.akdb-home-intro__actions {
  display: grid;
  gap: 0.78rem;
  width: min(100%, 19.5rem);
  margin: 0 auto;
  justify-items: stretch;
}

.akdb-header__actions,
.akdb-home-intro__actions {
  flex-wrap: wrap;
  gap: 0.75rem;
}

.akdb-header__actions > *,
.akdb-home-intro__actions > * {
  flex: 0 0 auto;
}

.akdb-nav__list > li,
.akdb-nav__list a,
.akdb-nav summary,
.akdb-footer__nav a,
.akdb-footer__legal a {
  position: relative;
}

.akdb-nav__list > li > a::after,
.akdb-submenu a::after,
.akdb-footer__nav a::after,
.akdb-footer__legal a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.14rem;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.akdb-nav__list > li > a:hover::after,
.akdb-nav summary:hover::after,
.akdb-submenu a:hover::after,
.akdb-footer__nav a:hover::after,
.akdb-footer__legal a:hover::after {
  transform: scaleX(1);
}

.akdb-nav__list > li > a.is-current,
.akdb-nav summary.is-current,
.akdb-submenu a.is-current {
  color: var(--akdb-color-accent);
}

.akdb-nav__list > li > a.is-current::after,
.akdb-nav summary.is-current::after,
.akdb-submenu a.is-current::after {
  transform: scaleX(1);
}

.akdb-mobile-nav {
  display: block;
  position: relative;
  z-index: 80;
  justify-self: end;
}

.akdb-mobile-nav__toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  width: 2.7rem;
  padding: 0;
  border-radius: 999px;
  background: rgba(244, 233, 226, 0.16);
  border: 1px solid rgba(244, 233, 226, 0.22);
  color: rgba(248, 242, 237, 0.98);
  backdrop-filter: blur(10px);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  appearance: none;
  -webkit-appearance: none;
  list-style: none;
}

.akdb-mobile-nav__toggle::-webkit-details-marker,
.akdb-nav summary::-webkit-details-marker {
  display: none;
}

.akdb-mobile-nav__toggle::marker {
  display: none;
}

.akdb-mobile-nav__toggle::before {
  content: "";
  width: 1.2rem;
  height: 0.72rem;
  border-top: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
}

.akdb-mobile-nav__toggle::after {
  content: "";
  position: absolute;
  width: 1.2rem;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.akdb-mobile-nav__dropdown {
  position: absolute;
  top: calc(100% + 0.7rem);
  right: 0;
  width: min(84vw, 21.5rem);
  padding: 0.9rem 1rem 1rem;
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(98, 168, 172, 0.13), transparent 34%),
    radial-gradient(circle at 0% 100%, rgba(213, 139, 115, 0.1), transparent 28%),
    linear-gradient(180deg, rgba(246, 241, 236, 0.97), rgba(234, 245, 240, 0.95));
  border: 1px solid rgba(248, 242, 237, 0.28);
  box-shadow: 0 24px 48px -32px rgba(18, 25, 30, 0.42);
  backdrop-filter: blur(18px);
  opacity: 0;
  transform: translateY(-0.45rem);
  pointer-events: none;
  transition: transform 220ms ease, opacity 220ms ease;
}

.akdb-mobile-nav__dropdown::before {
  content: none;
}

.akdb-mobile-nav[open] .akdb-mobile-nav__dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.akdb-mobile-nav__links {
  display: grid;
  gap: 0;
  align-content: start;
  padding: 0.25rem 0 0;
}

.akdb-mobile-nav__links > a {
  display: block;
  padding: 0.98rem 0.35rem 0.98rem 0.25rem;
  border-bottom: 1px solid rgba(57, 66, 78, 0.09);
  font-size: 1.04rem;
  font-weight: 800;
  line-height: 1.3;
  color: #39424e;
  -webkit-tap-highlight-color: transparent;
}

.akdb-mobile-nav__links > a:last-child {
  border-bottom: 0;
}

.akdb-mobile-nav__links > a.is-current {
  color: var(--akdb-color-accent);
}

.akdb-mobile-nav__links > a:focus-visible,
.akdb-mobile-nav__toggle:focus-visible {
  outline: 2px solid rgba(98, 168, 172, 0.86);
  outline-offset: 3px;
}

.akdb-socials {
  display: flex;
  align-items: center;
  justify-content: center;
}

.akdb-socials__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 999px;
  color: var(--akdb-color-ink);
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.akdb-socials__link svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: currentColor;
}

.akdb-socials__link:hover,
.akdb-socials__link:focus-visible {
  transform: translateY(-1px);
}

.akdb-socials__link:focus-visible {
  outline: 2px solid rgba(98, 168, 172, 0.86);
  outline-offset: 3px;
}

.akdb-socials--mobile {
  gap: 0.8rem;
  margin-top: 0.95rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(57, 66, 78, 0.08);
}

.akdb-socials--mobile .akdb-socials__link {
  background: rgba(255, 255, 255, 0.46);
  box-shadow: inset 0 0 0 1px rgba(161, 210, 206, 0.4);
}

.akdb-socials--mobile .akdb-socials__link:hover,
.akdb-socials--mobile .akdb-socials__link:focus-visible {
  background: rgba(161, 210, 206, 0.52);
  color: #39424e;
}

.akdb-nav {
  display: none;
  font-size: 1.08rem;
  font-weight: 700;
  position: relative;
  z-index: 88;
}

.akdb-hero {
  position: relative;
  overflow: hidden;
  min-height: 100svh;
}

.akdb-hero--immersive {
  min-height: 100svh;
}

.akdb-hero__media {
  --akdb-hero-object-position: 88% center;
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.akdb-hero__base-image,
.akdb-hero__split,
.akdb-hero__band,
.akdb-hero__veil {
  position: absolute;
  inset: -1px;
  width: calc(100% + 2px);
  height: calc(100% + 2px);
}

.akdb-hero__base-image {
  top: -1px;
  left: -1px;
  right: auto;
  bottom: auto;
  width: calc(100% + 2px) !important;
  min-width: calc(100% + 2px);
  height: calc(100% + 2px) !important;
  max-width: none;
  object-fit: cover;
  object-position: var(--akdb-hero-object-position);
  opacity: 1;
  z-index: 0;
}

.akdb-hero__split {
  z-index: 4;
  overflow: hidden;
  pointer-events: none;
}

.akdb-hero__band {
  top: 0;
  bottom: 0;
  width: auto;
  height: auto;
  opacity: 0;
  overflow: hidden;
  transform: translateZ(0) scaleX(0.001);
  transform-origin: var(--akdb-band-origin, left center);
  backface-visibility: hidden;
  contain: paint;
}

.akdb-hero__band-frame {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: var(--akdb-hero-object-position, 88% center);
}

.akdb-hero__veil {
  background:
    linear-gradient(180deg, rgba(20, 28, 33, 0.48) 0%, rgba(20, 28, 33, 0.22) 18%, rgba(20, 28, 33, 0.32) 56%, rgba(20, 28, 33, 0.58) 100%),
    linear-gradient(90deg, rgba(17, 24, 29, 0.72) 0%, rgba(17, 24, 29, 0.42) 34%, rgba(17, 24, 29, 0.14) 68%, rgba(17, 24, 29, 0.08) 100%);
  opacity: 1;
  z-index: 5;
}

.akdb-hero__layout {
  position: relative;
  z-index: 78;
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 100svh;
}

.akdb-home-intro h1.akdb-home-intro__headline {
  font-size: clamp(1.78rem, 5.95vw, 2.08rem);
  line-height: 1.1;
}

.akdb-404-page .akdb-hero--immersive {
  min-height: min(100svh, 48rem);
}

.akdb-404-intro {
  align-self: center;
  justify-self: center;
  width: min(100%, 50rem);
  padding: 8.75rem 0 4rem;
  color: rgba(248, 242, 237, 0.98);
  display: grid;
  gap: 1.5rem;
  justify-items: center;
  text-align: center;
}

.akdb-404-intro__content {
  display: grid;
  gap: 0.95rem;
  justify-items: center;
}

.akdb-404-intro__eyebrow {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(216, 236, 230, 0.94);
}

.akdb-404-intro__title {
  max-width: none;
  font-size: clamp(3.2rem, 7vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-wrap: nowrap;
}

.akdb-404-intro__lede {
  max-width: 31rem;
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.6;
  color: rgba(248, 242, 237, 0.9);
}

.akdb-404-intro__actions {
  display: flex;
  justify-content: center;
}

/* ==========================================================================
   03. Animations hero et footer
   Rôle : reveal hero piloté par JS et socle du footer partagé.
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  .akdb-js .akdb-split-ready .akdb-hero__base-image,
  .akdb-js .akdb-split-animating .akdb-hero__base-image {
    opacity: 0;
  }

  .akdb-js .akdb-split-complete .akdb-hero__base-image {
    opacity: 1;
  }

  .akdb-js .akdb-split-ready .akdb-hero__band {
    animation: akdb-hero-shutter-open var(--akdb-band-duration, 1220ms) cubic-bezier(0.22, 1, 0.36, 1) forwards;
    animation-delay: var(--akdb-band-delay, 0ms);
  }

  .akdb-js .akdb-split-complete .akdb-hero__split {
    opacity: 0;
  }

  .akdb-js .akdb-split-complete .akdb-hero__band {
    animation: none;
    opacity: 0;
    transform: none;
  }

  .akdb-js .akdb-split-animating .akdb-hero__band,
  .akdb-js .akdb-split-animating .akdb-header__identity,
  .akdb-js .akdb-split-animating .akdb-header__actions > *,
  .akdb-js .akdb-split-animating .akdb-mobile-nav__toggle,
  .akdb-js .akdb-split-animating .akdb-nav__list > li,
  .akdb-js .akdb-split-animating .akdb-home-intro__eyebrow,
  .akdb-js .akdb-split-animating .akdb-home-intro__headline,
  .akdb-js .akdb-split-animating .akdb-home-intro__lede,
  .akdb-js .akdb-split-animating .akdb-home-intro__actions > * {
    will-change: transform, opacity;
  }

  .akdb-js .akdb-header__identity,
  .akdb-js .akdb-header__actions > *,
  .akdb-js .akdb-mobile-nav__toggle,
  .akdb-js .akdb-nav__list > li,
  .akdb-js .akdb-home-intro__eyebrow,
  .akdb-js .akdb-home-intro__headline,
  .akdb-js .akdb-home-intro__lede,
  .akdb-js .akdb-home-intro__actions > * {
    opacity: 0;
    transform: translateY(24px);
  }

  .akdb-js .akdb-split-ready .akdb-header__identity,
  .akdb-js .akdb-split-ready .akdb-header__actions > *,
  .akdb-js .akdb-split-ready .akdb-mobile-nav__toggle,
  .akdb-js .akdb-split-ready .akdb-nav__list > li,
  .akdb-js .akdb-split-ready .akdb-home-intro__eyebrow,
  .akdb-js .akdb-split-ready .akdb-home-intro__headline,
  .akdb-js .akdb-split-ready .akdb-home-intro__lede,
  .akdb-js .akdb-split-ready .akdb-home-intro__actions > * {
    animation: akdb-hero-rise 720ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }

  .akdb-js .akdb-split-ready .akdb-header__identity {
    animation-delay: 120ms;
  }

  .akdb-js .akdb-split-ready .akdb-header__actions > *:nth-child(1),
  .akdb-js .akdb-split-ready .akdb-mobile-nav__toggle {
    animation-delay: 260ms;
  }

  .akdb-js .akdb-split-ready .akdb-header__actions > *:nth-child(2) {
    animation-delay: 320ms;
  }

  .akdb-js .akdb-split-ready .akdb-header__actions > *:nth-child(3) {
    animation-delay: 380ms;
  }

  .akdb-js .akdb-split-ready .akdb-nav__list > li:nth-child(1) {
    animation-delay: 360ms;
  }

  .akdb-js .akdb-split-ready .akdb-nav__list > li:nth-child(2) {
    animation-delay: 420ms;
  }

  .akdb-js .akdb-split-ready .akdb-nav__list > li:nth-child(3) {
    animation-delay: 480ms;
  }

  .akdb-js .akdb-split-ready .akdb-nav__list > li:nth-child(4) {
    animation-delay: 540ms;
  }

  .akdb-js .akdb-split-ready .akdb-nav__list > li:nth-child(5) {
    animation-delay: 600ms;
  }

  .akdb-js .akdb-split-ready .akdb-nav__list > li:nth-child(6) {
    animation-delay: 660ms;
  }

  .akdb-js .akdb-split-ready .akdb-home-intro__eyebrow {
    animation-delay: 900ms;
  }

  .akdb-js .akdb-split-ready .akdb-home-intro__headline {
    animation-delay: 980ms;
  }

  .akdb-js .akdb-split-ready .akdb-home-intro__lede {
    animation-delay: 1110ms;
  }

  .akdb-js .akdb-split-ready .akdb-home-intro__actions > *:nth-child(1) {
    animation-delay: 1240ms;
  }

  .akdb-js .akdb-split-ready .akdb-home-intro__actions > *:nth-child(2) {
    animation-delay: 1310ms;
  }

  .akdb-js .akdb-split-ready .akdb-home-intro__actions > *:nth-child(3) {
    animation-delay: 1380ms;
  }
}

@media (prefers-reduced-motion: reduce) {
  .akdb-hero__base-image {
    opacity: 1 !important;
  }

  .akdb-hero__band {
    opacity: 0 !important;
    animation: none !important;
    transform: none !important;
  }

  .akdb-header__identity,
  .akdb-header__actions,
  .akdb-header__actions > *,
  .akdb-mobile-nav__toggle,
  .akdb-nav__list > li,
  .akdb-home-intro__eyebrow,
  .akdb-home-intro__headline,
  .akdb-home-intro__lede,
  .akdb-home-intro__actions,
  .akdb-home-intro__actions > * {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}

@keyframes akdb-hero-shutter-open {
  0% {
    opacity: 0.14;
    transform: translateZ(0) scaleX(0.001);
  }

  22% {
    opacity: 0.42;
  }

  62% {
    opacity: 0.96;
  }

  100% {
    opacity: 1;
    transform: translateZ(0) scaleX(1);
  }
}

@keyframes akdb-hero-rise {
  0% {
    opacity: 0;
    transform: translateY(24px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.akdb-footer {
  padding: 2.6rem 0 2.5rem;
  background: linear-gradient(180deg, rgba(238, 246, 242, 0.96), rgba(244, 233, 226, 0.88));
  border-top: 1px solid rgba(70, 81, 91, 0.08);
  position: relative;
}

.akdb-footer::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, rgba(161, 210, 206, 0.16) 0%, rgba(98, 168, 172, 0.68) 34%, rgba(213, 139, 115, 0.52) 68%, rgba(57, 66, 78, 0.28) 100%);
}

.akdb-footer__grid {
  display: grid;
  gap: 1.75rem;
}

.akdb-footer__brand,
.akdb-footer__nav,
.akdb-footer__contact,
.akdb-footer__legal {
  display: grid;
  gap: 0.65rem;
  justify-items: center;
  text-align: center;
  align-content: start;
}

.akdb-footer__brand-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.akdb-footer__logo {
  width: 4rem;
  height: auto;
}

.akdb-footer__brand h2 {
  font-size: clamp(0.98rem, 1.5vw, 1.18rem);
  line-height: 1.1;
}

.akdb-footer__brand p {
  max-width: 21rem;
  line-height: 1.58;
}

.akdb-footer__brand p,
.akdb-footer__nav a,
.akdb-footer__contact,
.akdb-footer__legal a {
  font-size: 0.95rem;
  line-height: 1.52;
}

.akdb-footer__title {
  display: inline-flex;
  align-items: center;
  justify-self: center;
  width: fit-content;
  margin-bottom: 0.7rem;
  padding: 0 0 0.7rem;
  color: var(--akdb-color-ink);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  position: relative;
}

.akdb-footer__title::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 2.2rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #62a8ac, #d58b73);
}

.akdb-footer__nav:nth-of-type(2) .akdb-footer__title::before {
  background: linear-gradient(90deg, #a1d2ce, #62a8ac);
}

.akdb-footer__contact .akdb-footer__title::before {
  background: linear-gradient(90deg, #39424e, #62a8ac);
}

.akdb-footer__legal .akdb-footer__title::before {
  background: linear-gradient(90deg, #d58b73, #39424e);
}

.akdb-footer__note {
  color: rgba(70, 81, 91, 0.74);
}

.akdb-footer__nav a,
.akdb-footer__legal a,
.akdb-footer__contact .akdb-footer__cta,
.akdb-footer__note {
  display: inline-block;
  padding-block: 0.12rem;
}

.akdb-socials--footer {
  gap: 0.85rem;
  margin-top: 0.7rem;
}

.akdb-socials--footer .akdb-socials__link {
  width: 2.55rem;
  height: 2.55rem;
  background: rgba(255, 255, 255, 0.4);
  box-shadow: inset 0 0 0 1px rgba(161, 210, 206, 0.36), 0 10px 20px -16px rgba(18, 25, 30, 0.28);
}

.akdb-socials--footer .akdb-socials__link:hover,
.akdb-socials--footer .akdb-socials__link:focus-visible {
  background: rgba(244, 233, 226, 0.9);
  color: #d58b73;
}

.akdb-footer__bottom {
  display: grid;
  gap: 0.5rem;
  justify-items: center;
  padding-top: 1.65rem;
  margin-top: 1.7rem;
  border-top: 1px solid rgba(70, 81, 91, 0.08);
  font-size: 0.86rem;
  color: rgba(70, 81, 91, 0.72);
  text-align: center;
}

/* ==========================================================================
   04. Responsive mobile <= 47.99rem
   Rôle : header compact, menu mobile quart de cercle et hauteur de hero.
   ========================================================================== */
@media (max-width: 47.99rem) {
  .akdb-hero,
  .akdb-hero--immersive {
    min-height: clamp(39rem, 100svh, 44rem);
  }

  .akdb-404-page .akdb-hero--immersive {
    min-height: clamp(31rem, 100svh, 36rem);
  }

  .akdb-header__actions {
    display: none !important;
  }

  .akdb-home-intro__actions {
    display: grid;
  }

  .akdb-home-intro__actions .akdb-button,
  .akdb-home-intro__actions .akdb-chip {
    width: 100%;
    min-height: 3.1rem;
  }

  .akdb-header {
    z-index: 120;
  }

  .akdb-header__inner {
    position: relative;
    z-index: 120;
    padding-top: 0.95rem;
  }

  .akdb-header__top {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 0.65rem 0.9rem;
  }

  .akdb-header__identity {
    gap: 0.55rem;
    min-width: 0;
    padding-right: 0.25rem;
  }

  .akdb-brand__logo {
    width: 3.55rem;
  }

  .akdb-header .akdb-header__title {
    min-width: 0;
    white-space: nowrap;
    font-size: clamp(0.95rem, 3.9vw, 1.2rem);
    line-height: 1.14;
    letter-spacing: 0.01em;
  }

  .akdb-mobile-nav {
    align-self: start;
    justify-self: end;
    z-index: 130;
  }

  /* AKDB mobile menu quart-circle test v1 */
  .akdb-mobile-nav {
    position: fixed;
    top: max(env(safe-area-inset-top, 0px), 0px);
    right: max(env(safe-area-inset-right, 0px), 0px);
    z-index: 160;
  }

  .akdb-mobile-nav__toggle {
    position: fixed;
    top: max(env(safe-area-inset-top, 0px), 0px);
    right: max(env(safe-area-inset-right, 0px), 0px);
    z-index: 162;
    width: 4.85rem;
    min-height: 4.85rem;
    border-radius: 0 0 0 100%;
    color: rgba(244, 233, 226, 0.96);
    background: rgba(57, 66, 78, 0.94);
    border: 1px solid rgba(244, 233, 226, 0.16);
    box-shadow: 0 18px 34px -24px rgba(18, 25, 30, 0.48);
    backdrop-filter: blur(12px);
    transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease, border-color 180ms ease, opacity 180ms ease;
  }

  .akdb-mobile-nav__toggle::before,
  .akdb-mobile-nav__toggle::after {
    content: "";
    position: absolute;
    left: 58%;
    width: 1rem;
    height: 2px;
    background: currentColor;
    border: 0;
    border-radius: 999px;
    transform: translate(-50%, -50%);
    transition: top 180ms ease, transform 180ms ease, background-color 180ms ease, width 180ms ease;
  }

  .akdb-mobile-nav__toggle::before {
    top: 44%;
  }

  .akdb-mobile-nav__toggle::after {
    top: 56%;
    width: 0.88rem;
  }

  .akdb-mobile-nav[open] .akdb-mobile-nav__toggle {
    color: rgba(57, 66, 78, 0.96);
    background:
      radial-gradient(circle at top right, rgba(98, 168, 172, 0.13), transparent 34%),
      radial-gradient(circle at 0% 100%, rgba(213, 139, 115, 0.1), transparent 28%),
      linear-gradient(180deg, rgba(246, 241, 236, 0.97), rgba(234, 245, 240, 0.95));
    border-color: rgba(57, 66, 78, 0.08);
    box-shadow: 0 18px 32px -24px rgba(18, 25, 30, 0.32) !important;
    opacity: 1 !important;
  }

  .akdb-mobile-nav[open] .akdb-mobile-nav__toggle::before,
  .akdb-mobile-nav[open] .akdb-mobile-nav__toggle::after {
    top: 50%;
    width: 1rem;
  }

  .akdb-mobile-nav[open] .akdb-mobile-nav__toggle::before {
    transform: translate(-50%, -50%) rotate(45deg);
  }

  .akdb-mobile-nav[open] .akdb-mobile-nav__toggle::after {
    transform: translate(-50%, -50%) rotate(-45deg);
  }

  body.akdb-mobile-menu-scrolled .akdb-mobile-nav__toggle {
    opacity: 0.7 !important;
  }

  body.akdb-mobile-menu-scrolled .akdb-mobile-nav[open] .akdb-mobile-nav__toggle {
    opacity: 1 !important;
  }

  .akdb-mobile-nav__dropdown {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(86vw, 22rem);
    min-height: 100svh;
    padding: calc(max(env(safe-area-inset-top, 0px), 0px) + 5rem) 1.15rem calc(max(env(safe-area-inset-bottom, 0px), 0px) + 1.2rem);
    border-radius: 1.75rem 0 0 1.75rem;
    display: block;
    z-index: 161;
    opacity: 0;
    transform: translateX(100%);
    pointer-events: none;
    transition: transform 240ms ease, opacity 180ms ease;
  }

  .akdb-mobile-nav[open] .akdb-mobile-nav__dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
  }

  .akdb-hero__layout {
    min-height: clamp(39rem, 100svh, 44rem);
    z-index: 118;
  }

  .akdb-404-page .akdb-hero__layout {
    min-height: clamp(31rem, 100svh, 36rem);
  }

  .akdb-404-intro {
    width: min(100%, 26rem);
    padding: 8.2rem 0 2.6rem;
    gap: 1rem;
    justify-self: center;
  }

  .akdb-404-intro__content {
    width: 100%;
  }

  .akdb-404-intro__title {
    font-size: clamp(2.35rem, 11vw, 3.4rem);
    line-height: 1.02;
    text-wrap: balance;
  }

  .akdb-404-intro__lede {
    max-width: 22rem;
  }

  .akdb-404-intro__actions {
    width: 100%;
  }

  .akdb-404-intro__actions .akdb-button {
    width: 100%;
  }
}

body.akdb-mobile-nav-open {
  overflow: hidden;
}

/* Mobile étroit <= 390px : recadrage logo/titre et image hero. */
@media (max-width: 24.375rem) {
  .akdb-header .akdb-header__title {
    font-size: 0.94rem;
  }

  .akdb-hero__base-image {
    --akdb-hero-object-position: 86% center;
  }
}

/* ==========================================================================
   05. Desktop >= 48rem
   Rôle : navigation principale, actions header visibles et footer multi-colonnes.
   ========================================================================== */
@media (min-width: 48rem) {
  .akdb-header {
    z-index: 120;
  }

  .akdb-header__inner,
  .akdb-header__top,
  .akdb-header__actions {
    position: relative;
    z-index: 121;
  }

  .akdb-header__top {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 1.4rem;
    min-height: 5rem;
  }

  .akdb-header__identity {
    gap: 1rem;
    min-width: 16rem;
  }

  .akdb-header__title {
    font-size: clamp(1.44rem, 1.92vw, 1.86rem);
  }

  .akdb-header__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.55rem;
    min-width: 26rem;
  }

  .akdb-home-intro__actions {
    display: none !important;
  }

  .akdb-mobile-nav {
    display: none;
  }

  .akdb-nav {
    display: flex;
    justify-content: center;
    width: 100%;
    align-self: end;
    padding-bottom: 0.95rem;
  }

  .akdb-nav__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.95rem clamp(1.5rem, 2.18vw, 2.18rem);
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
    color: rgba(248, 242, 237, 0.96);
  }

  .akdb-nav details {
    position: relative;
    z-index: 89;
  }

  .akdb-nav__list > li > a,
  .akdb-nav summary {
    display: inline-flex;
    align-items: center;
    min-height: 2.4rem;
    color: rgba(248, 242, 237, 0.96);
    text-shadow: 0 10px 22px rgba(19, 27, 32, 0.2);
    cursor: pointer;
    list-style: none;
    transition: color 180ms ease, opacity 180ms ease;
  }

  .akdb-nav__list > li > a:hover,
  .akdb-nav__list > li > a:focus-visible,
  .akdb-nav summary:hover,
  .akdb-nav summary:focus-visible {
    color: #ffffff;
  }

  .akdb-nav summary::after {
    content: "▾";
    margin-left: 0.38rem;
    font-size: 0.72rem;
    opacity: 0.85;
  }

  .akdb-nav__item--submenu details:hover .akdb-submenu,
  .akdb-nav__item--submenu details:focus-within .akdb-submenu {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
  }

  .akdb-nav__item--submenu details[open] > summary {
    color: #ffffff;
  }

  .akdb-submenu {
    position: absolute;
    bottom: calc(100% + 0.75rem);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 17.5rem;
    padding: 0.5rem;
    border-radius: 18px;
    background: rgba(246, 241, 236, 0.98);
    border: 1px solid rgba(57, 66, 78, 0.1);
    box-shadow: 0 20px 38px -30px rgba(18, 25, 30, 0.32);
    backdrop-filter: blur(10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
    z-index: 96;
    color: var(--akdb-color-ink);
  }

  .akdb-submenu::before {
    content: none;
  }

  .akdb-submenu li + li {
    margin-top: 0;
  }

  .akdb-submenu a {
    display: flex;
    align-items: center;
    min-height: 2.7rem;
    padding: 0.78rem 0.9rem;
    border-radius: 12px;
    color: var(--akdb-color-ink);
    font-weight: 700;
    line-height: 1.35;
    transition: background-color 180ms ease, color 180ms ease;
  }

  .akdb-submenu a:hover,
  .akdb-submenu a:focus-visible {
    background: rgba(161, 210, 206, 0.16);
    color: #39424e;
  }

  .akdb-submenu a.is-current {
    color: var(--akdb-color-accent);
    background: rgba(213, 139, 115, 0.12);
  }

  .akdb-hero {
    min-height: 40rem;
  }

  .akdb-hero--immersive {
    min-height: 40rem;
  }

  .akdb-hero__media {
    --akdb-hero-object-position: 76% center;
  }

  .akdb-hero__veil {
    background:
      linear-gradient(180deg, rgba(20, 28, 33, 0.4) 0%, rgba(20, 28, 33, 0.16) 20%, rgba(20, 28, 33, 0.28) 56%, rgba(20, 28, 33, 0.46) 100%),
      linear-gradient(90deg, rgba(17, 24, 29, 0.72) 0%, rgba(17, 24, 29, 0.48) 26%, rgba(17, 24, 29, 0.18) 58%, rgba(17, 24, 29, 0.06) 84%);
    opacity: 1;
  }

  .akdb-hero__layout {
    min-height: 40rem;
    padding-bottom: 1.35rem;
  }

  .akdb-home-intro h1.akdb-home-intro__headline {
    font-size: clamp(2.92rem, 3.86vw, 3.88rem);
    line-height: 1.03;
  }

  .akdb-404-intro {
    width: min(100%, 56rem);
  }

  .akdb-404-intro__title {
    text-wrap: nowrap;
  }

  .akdb-footer__grid {
    grid-template-columns: minmax(0, 1.1fr) repeat(4, minmax(0, 0.72fr));
    align-items: start;
    column-gap: 2rem;
    row-gap: 1.4rem;
  }

  .akdb-footer__brand,
  .akdb-footer__nav,
  .akdb-footer__contact,
  .akdb-footer__legal {
    justify-items: start;
    text-align: left;
  }

  .akdb-footer__brand-head {
    justify-content: flex-start;
  }

  .akdb-footer__title {
    justify-self: start;
  }

  .akdb-footer__bottom {
    grid-template-columns: auto auto;
    justify-content: space-between;
    justify-items: start;
    text-align: left;
  }
}