/* =========================================================
   Portfolio Christopher Dapino
   Feuille de style unique. Aucune dépendance.
   ========================================================= */

/* ---------- 1. Variables ---------- */
:root {
  /* Couleurs */
  --bg: #070a16;
  --cream: #FEFCE1;
  --accent: #56D5F4;          /* cyan */
  --accent-2: #D07370;        /* terracotta */
  --accent-soft: rgba(86, 213, 244, .12);
  --accent-border: rgba(86, 213, 244, .30);
  --accent-glow: rgba(86, 213, 244, .35);

  /* Texte */
  --txt-80: rgba(254, 252, 225, .80);
  --txt-70: rgba(254, 252, 225, .70);
  --txt-65: rgba(254, 252, 225, .65);
  --txt-60: rgba(254, 252, 225, .60);
  --txt-55: rgba(254, 252, 225, .55);
  --txt-50: rgba(254, 252, 225, .50);
  /* .45 et .40 remontés pour passer WCAG AA sur le petit texte (ratio >= 4.5:1) */
  --txt-45: rgba(254, 252, 225, .52);
  --txt-40: rgba(254, 252, 225, .50);

  /* Panneaux « glass » */
  --panel-bg: rgba(9, 13, 26, .72);
  --panel-border: rgba(254, 252, 225, .10);
  --panel-radius: 28px;
  --card-radius: 22px;
  --pill: 100px;

  /* Typographie */
  --font-title: 'Bebas Neue', Impact, sans-serif;
  --font-body: 'Poppins', system-ui, -apple-system, sans-serif;

  /* Rythme */
  --shell-max: 1320px;
  --shell-pad: 34px;
  --nav-w: 114px;
  --gap-shell: 26px;
  --gap-section: 88px;
  --panel-pad: 42px 40px;
  --scroll-offset: 34px;
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--cream);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}
a:hover { color: var(--accent-2); }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 400; }

ul, ol, figure {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- 3. Fond étoilé ---------- */
/* Le champ d'étoiles est un canvas tsParticles (js/background.js).
   Ce calque reste fixe et ne capte aucun clic. */
.sky-particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Nébuleuse cyan, purement CSS, posée au-dessus du canvas */
.sky {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.sky__nebula {
  position: absolute;
  top: -140px;
  left: 34%;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(86, 213, 244, .12), transparent 65%);
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scroll-cue__arrow { animation: none; }
}

/* ---------- 4. Coquille ---------- */
.page {
  position: relative;
  min-height: 100vh;
}

.shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: var(--nav-w) 1fr;
  align-items: start;
  gap: var(--gap-shell);
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: var(--shell-pad) var(--shell-pad) 96px;
}

.content {
  display: flex;
  flex-direction: column;
  gap: var(--gap-section);
  min-width: 0;
}

/* Page legale : sections plus rapprochees */
.content--legal { gap: 28px; }

/* ---------- 5. Panneaux, titres, éléments partagés ---------- */
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
  padding: var(--panel-pad);
}

.section { scroll-margin-top: var(--scroll-offset); }

.eyebrow {
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--accent);
  margin-bottom: 10px;
}

.title {
  font-family: var(--font-title);
  font-size: 46px;
  line-height: 1;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.title--lg { font-size: 52px; }
.title--accent { color: var(--accent-2); }
.title em { font-style: normal; color: var(--accent-2); }

.lede {
  font-size: 15px;
  line-height: 1.75;
  color: var(--txt-70);
  margin-top: 14px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border-radius: var(--pill);
  font-size: 12px;
  color: var(--accent);
  background: rgba(254, 252, 225, .10);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip-row--skills { margin-top: 24px; }

.btn {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
  padding: 14px 30px;
  border-radius: var(--pill);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  background: none;
  color: inherit;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

.btn--solid {
  color: #05070f;
  background: var(--accent);
  box-shadow: 0 0 28px var(--accent-glow);
}
.btn--solid:hover { background: var(--cream); color: #05070f; }

.btn--ghost {
  border-color: rgba(254, 252, 225, .30);
  color: var(--cream);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.btn--cream {
  background: var(--cream);
  color: #05070f;
}
.btn--cream:hover { background: var(--accent); color: #05070f; }

/* ---------- 6. Navigation latérale ---------- */
/* Le rail porte le sticky et centre la pilule sur la ligne de flottaison.
   Aucune transformation : sticky et transform se combinent mal en fin de page. */
.nav-rail {
  position: sticky;
  top: 0;
  height: 100svh;
  display: flex;
  align-items: center;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 12px;
  background: rgba(10, 14, 28, .82);
  border: 1px solid rgba(86, 213, 244, .28);
  border-radius: 34px;
  box-shadow: 0 0 40px rgba(86, 213, 244, .14);
}

.nav__logo {
  display: block;
  width: 88px;
  height: 88px;
  margin: 0 auto 12px;
  border-radius: 16px;
  overflow: hidden;
}
.nav__logo img { width: 100%; height: 100%; object-fit: cover; }

.nav__link {
  padding: 12px 6px;
  text-align: center;
  border: 1px solid rgba(254, 252, 225, .14);
  border-radius: var(--pill);
  color: var(--cream);
}
.nav__link:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--cream);
}

.nav__icon {
  display: flex;
  justify-content: center;
  color: var(--txt-80);
}

.nav__label {
  margin-top: 6px;
  font-size: 9px;
  letter-spacing: .14em;
  color: var(--txt-60);
}

.nav__link.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.nav__link.is-active .nav__icon,
.nav__link.is-active .nav__label { color: var(--accent); }

/* ---------- 7. Héro ---------- */
/* Panneau à sa taille naturelle, centré dans le premier écran */
.hero-screen {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100svh - var(--shell-pad) * 2);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 66px 60px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}

.hero__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 15% 0%, rgba(86, 213, 244, .12), transparent 60%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  width: 100%;
  grid-template-columns: minmax(min-content, 1.15fr) minmax(260px, .95fr);
  align-items: center;
  gap: 48px;
}

.hero__name {
  font-family: var(--font-title);
  font-size: clamp(44px, 7vw, 96px);
  line-height: .95;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.hero__role {
  margin-top: 6px;
  font-weight: 200;
  font-size: 26px;
  letter-spacing: .04em;
  color: var(--accent);
}

.hero__pitch {
  margin-top: 26px;
  max-width: 560px;
  font-size: 19px;
  line-height: 1.55;
  color: var(--txt-80);
}
.hero__pitch p { margin: 0 0 1.4em; }
.hero__pitch p:last-child { margin-bottom: 0; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  margin-top: 44px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--txt-40);
}
.scroll-cue:hover { color: var(--accent); }
.scroll-cue__arrow {
  display: inline-block;
  animation: bob 1.8s ease-in-out infinite;
}

.hero__portrait {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid var(--accent-border);
  border-radius: 26px;
}
.hero__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Léger zoom : absorbe la marge blanche du fichier source */
  transform: scale(1.06);
}

/* ---------- 8. Profil + Parcours ---------- */
.duo {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--gap-shell);
}

.tag-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}

.tag {
  padding: 16px;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: var(--pill);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 22px;
}

.timeline__item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--panel-border);
}
.timeline__item:last-child { border-bottom: 0; }

.timeline__year {
  flex: 0 0 104px;
  font-family: var(--font-title);
  font-size: 24px;
  color: var(--txt-60);
}
.timeline__item--current .timeline__year { color: var(--accent); }

.timeline__role {
  font-size: 15px;
  font-weight: 500;
}
.timeline__meta {
  font-size: 12px;
  color: var(--accent-2);
}

/* ---------- 9. Compétences ---------- */
.skills__grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: center;
  gap: 48px;
}

.skills__intro {
  font-size: 14px;
  line-height: 1.7;
  color: var(--txt-65);
  margin-top: 12px;
}

.skills__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.skill-card {
  padding: 26px;
  background: rgba(254, 252, 225, .04);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
}
.skill-card__num {
  font-family: var(--font-title);
  font-size: 22px;
  color: var(--accent);
}
.skill-card:nth-child(even) .skill-card__num { color: var(--accent-2); }
.skill-card__title {
  font-family: var(--font-title);
  font-size: 28px;
  margin-top: 14px;
  text-transform: uppercase;
}
.skill-card__desc {
  font-size: 13px;
  color: var(--txt-55);
  margin-top: 4px;
}

/* ---------- 10. Projets ---------- */
.projects__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  column-gap: 28px;
  row-gap: 16px;
  margin-bottom: 26px;
}
.projects__head > div { min-width: 0; }

.projects__sub {
  font-size: 14px;
  color: var(--txt-55);
  margin-top: 4px;
  max-width: 420px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter {
  padding: 7px 16px;
  border-radius: var(--pill);
  border: 1px solid rgba(254, 252, 225, .14);
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--txt-60);
  background: none;
  cursor: pointer;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}
.filter:hover { color: var(--accent); border-color: var(--accent-border); }
.filter.is-active {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: transparent;
}

.projects__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.project {
  overflow: hidden;
  border: 1px solid var(--accent-border);
  background: var(--accent-soft);
  border-radius: var(--card-radius);
}
.project[hidden] { display: none; }

/* Zone visuelle : 544 x 248 px à l'affichage (exporter en 1088 x 496) */
.project__thumb {
  position: relative;
  height: 250px;
  background: rgba(4, 6, 13, .55);
}
.project__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.project__body { padding: 24px 26px 26px; }

.project__title {
  font-family: var(--font-title);
  font-size: 34px;
  line-height: 1;
  text-transform: uppercase;
}

.project__desc {
  font-size: 14px;
  color: var(--txt-65);
  margin-top: 8px;
}

.project__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.project__tags span {
  padding: 5px 12px;
  border-radius: var(--pill);
  background: rgba(254, 252, 225, .07);
  font-size: 11px;
  color: var(--cream);
}

/* Pagination du carrousel projets, visible seulement en mode carrousel */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}
.carousel-dots[hidden] { display: none; }

.carousel-dots__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(254, 252, 225, .22);
  cursor: pointer;
  transition: width .22s ease, background-color .22s ease;
}
.carousel-dots__dot.is-active {
  width: 26px;
  background: var(--accent);
}

.project__link {
  display: inline-block;
  margin-top: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
}

/* ---------- 11. Contact ---------- */
.contact {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: var(--gap-shell);
  scroll-margin-top: var(--scroll-offset);
}

.contact__cta {
  padding: var(--panel-pad);
}
.contact__cta .eyebrow { color: var(--cream); opacity: .75; }

.contact__title {
  font-family: var(--font-title);
  font-size: 56px;
  line-height: 1;
  text-transform: uppercase;
}
.contact__title-accent {
  font-style: normal;
  color: var(--accent-2);
}
.contact__btn { margin-top: 28px; }

.contact__card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 44px 34px 36px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}

.contact__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 15px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--panel-border);
}
.contact__row:last-of-type { border-bottom: 0; padding-bottom: 0; }

.contact__key {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--txt-50);
}

.contact__cv { color: var(--accent-2); }
.contact__cv:hover { color: var(--accent); }

.copyright {
  margin-top: 64px;
  font-size: 12px;
  color: var(--txt-40);
  text-align: center;
}
.copyright a { color: inherit; }
.copyright a:hover { color: var(--accent); text-decoration: underline; }

/* ---------- 11 bis. Page Mentions legales ---------- */
.legal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding: 14px 22px;
  margin-bottom: 40px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--pill);
}

.legal-header__back {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
}

.legal-header__date {
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--txt-45);
}

.legal-hero {
  position: relative;
  overflow: hidden;
  padding: 54px 50px;
  text-align: center;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}

.legal-hero__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 50% 0%, rgba(86, 213, 244, .10), transparent 70%);
  pointer-events: none;
}

.legal-hero__inner { position: relative; }

.legal-hero__eyebrow {
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--txt-45);
}

.legal-hero__title {
  font-family: var(--font-title);
  font-size: clamp(38px, 4.6vw, 64px);
  line-height: .94;
  letter-spacing: .02em;
  text-transform: uppercase;
  margin-top: 18px;
}
.legal-hero__title span { color: var(--accent); }

.legal-hero__intro {
  max-width: 780px;
  margin: 20px auto 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--txt-70);
}
.legal-hero__intro span { color: var(--accent); }

/* Sections numerotees */
.legal-section {
  padding: 38px 40px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}

.legal-section__head {
  display: flex;
  align-items: center;
  gap: 18px;
}

.legal-section__num {
  font-family: var(--font-title);
  font-size: 56px;
  line-height: .72;
  color: rgba(254, 252, 225, .13);
}

.legal-section__title {
  font-family: var(--font-title);
  font-size: 36px;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.prose {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 880px;
  margin-top: 14px;
}
.prose p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--txt-70);
}

/* Cartes d'information */
.info-grid {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}
.info-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.info-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.info-card {
  padding: 18px 20px;
  background: rgba(254, 252, 225, .03);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
}

.info-card__key {
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--accent-2);
}
.info-card__key--accent { color: var(--accent); font-size: 11px; }

.info-card__value {
  font-size: 15px;
  margin-top: 7px;
}

.info-card__text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--txt-70);
  margin-top: 9px;
}

/* Encart mis en avant */
.callout {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding: 22px 24px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: var(--card-radius);
}
.callout__body { flex: 1 1 260px; }
.callout__key {
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--accent-2);
}
.callout__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--txt-80);
  margin-top: 9px;
}
.callout__text--tight { margin-top: 0; }

/* Deux colonnes de texte */
.legal-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 34px;
  margin-top: 18px;
}
.legal-columns__key {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent-2);
}
.legal-columns p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--txt-70);
  margin-top: 11px;
}

/* Carte de retour */
.back-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 26px 28px;
  color: inherit;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}
.back-card:hover { color: inherit; border-color: var(--accent-border); }
.back-card__key {
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--txt-45);
}
.back-card__title {
  font-family: var(--font-title);
  font-size: 22px;
  margin-top: 4px;
}

/* ---------- 11 ter. Page etude de cas ---------- */
.content--case { gap: 40px; }

/* En-tete : retour + fil de progression des annexes */
.case-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  padding: 14px 20px;
  margin-bottom: 40px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--pill);
}

.case-header__back {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 400;
}

.steps {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 10px;
  letter-spacing: .14em;
}

.steps__link {
  padding: 7px 14px;
  color: var(--txt-50);
  border: 1px solid var(--panel-border);
  border-radius: var(--pill);
}
.steps__link:hover {
  color: var(--accent);
  border-color: var(--accent-border);
}

.steps__link.is-active {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent-border);
}

.steps__sep { color: rgba(254, 252, 225, .25); }

/* Hero de l'etude de cas */
.case-hero {
  position: relative;
  overflow: hidden;
  padding: 64px 50px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}

.case-hero__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 50% 0%, rgba(86, 213, 244, .10), transparent 70%);
  pointer-events: none;
}

.case-hero__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.case-hero__badge {
  display: inline-flex;
  padding: 8px 18px;
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--accent-2);
  background: rgba(208, 115, 112, .12);
  border: 1px solid rgba(208, 115, 112, .34);
  border-radius: var(--pill);
}

.case-hero__title {
  font-family: var(--font-title);
  font-size: clamp(46px, 6.4vw, 88px);
  line-height: .92;
  letter-spacing: .02em;
  text-transform: uppercase;
  margin-top: 22px;
}
.case-hero__title span { color: var(--accent); }

.case-hero__question {
  max-width: 600px;
  margin-top: 18px;
  font-weight: 200;
  font-size: 21px;
  line-height: 1.4;
  color: var(--accent);
}

.case-hero__pitch {
  max-width: 820px;
  margin-top: 22px;
  font-size: 19px;
  line-height: 1.55;
  color: var(--txt-80);
}

.case-hero__result {
  display: inline-flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 660px;
  margin-top: 26px;
  padding: 18px 24px;
  text-align: left;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: var(--card-radius);
}
.case-hero__result-key {
  padding-top: 3px;
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--accent);
  white-space: nowrap;
}
.case-hero__result-text {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(254, 252, 225, .88);
}

/* Chips outils */
.tool-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 30px;
}
.tool-chips--center { justify-content: center; }
.tool-chips li {
  padding: 8px 16px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--txt-70);
  border: 1px solid rgba(254, 252, 225, .16);
  border-radius: var(--pill);
}

/* Cartes meta du hero */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  width: 100%;
  margin-top: 26px;
}

.meta-card {
  padding: 18px 20px;
  text-align: center;
  background: rgba(254, 252, 225, .03);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
}
.meta-card__key {
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--accent-2);
}
.meta-card__value {
  margin-top: 7px;
  font-size: 16px;
  font-weight: 400;
}
.meta-card__note {
  font-size: 11px;
  color: var(--txt-40);
}

/* Sections numerotees de l'etude de cas */
.case-section {
  padding: 42px 40px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}

.case-section__head {
  display: flex;
  align-items: center;
  gap: 18px;
}
.case-section__head--standalone { margin-bottom: 24px; }

.case-section__num {
  font-family: var(--font-title);
  font-size: 66px;
  line-height: .72;
  color: rgba(254, 252, 225, .13);
}

.case-section__title {
  font-family: var(--font-title);
  font-size: 44px;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.case-section__lede {
  max-width: 820px;
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--txt-70);
}
.case-section__lede--lg {
  font-size: 16px;
  color: var(--txt-80);
  margin-top: 16px;
}

/* Colonnes de texte */
.case-columns {
  display: grid;
  gap: 34px;
  margin-top: 30px;
}
.case-columns--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.case-columns--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }

.case-columns__key {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent-2);
}
.case-columns p {
  margin-top: 11px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--txt-70);
}
.case-columns ul {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--txt-70);
}

.case-rule {
  height: 1px;
  margin: 34px 0;
  background: rgba(86, 213, 244, .22);
  border: 0;
}

/* Capture du site livre — hauteur pilotée uniquement par l'image */
.case-shot {
  position: relative;
  overflow: hidden;
  margin-top: 28px;
  background: rgba(4, 6, 13, .55);
  border: 1px solid rgba(254, 252, 225, .12);
  border-radius: var(--card-radius);
}
/* Hauteur pilotée par l'image : plus de bandes vides en haut et en bas */
.case-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* Cartes specs */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.spec-card {
  padding: 16px 18px;
  background: rgba(254, 252, 225, .03);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
}
.spec-card__key {
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--txt-45);
}
.spec-card__value {
  margin-top: 6px;
  font-size: 14px;
}

.case-actions {
  display: flex;
  justify-content: center;
  margin-top: 26px;
}
.case-actions--pair {
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* Trois volets du bilan */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.pillar {
  padding: 22px;
  background: rgba(254, 252, 225, .03);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
}
.pillar__title {
  font-family: var(--font-title);
  font-size: 22px;
}
.pillar__text {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--txt-70);
}

/* Tuiles d'exploration */
.explore-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.explore-card {
  display: block;
  padding: 24px;
  color: inherit;
  background: rgba(9, 13, 26, .6);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
}
.explore-card:hover {
  color: inherit;
  background: var(--accent-soft);
  border-color: var(--accent-border);
}
.explore-card__icon { color: var(--accent); }
.explore-card__title {
  font-family: var(--font-title);
  font-size: 20px;
  margin-top: 12px;
}
.explore-card__desc {
  margin-top: 5px;
  font-size: 13px;
  color: var(--txt-60);
}

/* Pied : projet precedent / suivant */
.pager {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
}

.pager__card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 26px 28px;
  color: inherit;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}
.pager__card:hover { color: inherit; border-color: var(--accent-border); }
.pager__card--disabled { opacity: .4; }
.pager__card--next {
  justify-content: flex-end;
  text-align: right;
}
.pager__key {
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--txt-45);
}
.pager__title {
  font-family: var(--font-title);
  font-size: 22px;
  margin-top: 4px;
}

/* ---------- 11 quater. Pages annexes ---------- */
/* Hero d'annexe : centre, eyebrow + badge de categorie */
.annex-hero {
  position: relative;
  overflow: hidden;
  padding: 60px 50px;
  text-align: center;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}

.annex-hero__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 50% 0%, rgba(86, 213, 244, .10), transparent 70%);
  pointer-events: none;
}

.annex-hero__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.annex-hero__eyebrow {
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--txt-45);
}

.annex-hero__badge {
  display: inline-flex;
  margin-top: 16px;
  padding: 8px 18px;
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--accent-2);
  background: rgba(208, 115, 112, .12);
  border: 1px solid rgba(208, 115, 112, .34);
  border-radius: var(--pill);
}

.annex-hero__title {
  font-family: var(--font-title);
  font-size: clamp(42px, 5.6vw, 76px);
  line-height: .94;
  letter-spacing: .02em;
  text-transform: uppercase;
  margin-top: 20px;
}
.annex-hero__title span { color: var(--accent); }

.annex-hero__intent {
  max-width: 640px;
  margin-top: 18px;
  font-weight: 200;
  font-size: 21px;
  line-height: 1.4;
  color: var(--accent);
}

/* Bloc "En bref" */
.brief {
  padding: 32px 34px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}

.brief__key {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent-2);
}

.brief__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  margin-top: 20px;
}

.brief__title {
  font-family: var(--font-title);
  font-size: 22px;
  line-height: 1.15;
  color: var(--accent);
}

.brief__text {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--txt-70);
}

/* Etapes numerotees en lignes de filets */
.steps-list {
  display: flex;
  flex-direction: column;
  margin-top: 26px;
  list-style: none;
}

.steps-list__item {
  display: grid;
  grid-template-columns: minmax(220px, .34fr) minmax(0, 1fr);
  align-items: start;
  gap: 22px;
  padding: 22px 0;
  border-top: 1px solid rgba(254, 252, 225, .12);
}
.steps-list__item:last-child { border-bottom: 1px solid rgba(254, 252, 225, .12); }

.steps-list__label {
  display: flex;
  align-items: center;
  gap: 14px;
}

.steps-list__num {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  font-family: var(--font-title);
  font-size: 15px;
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: 50%;
}

.steps-list__name {
  font-size: 16px;
  color: var(--accent);
}

.steps-list__text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--txt-70);
}

/* Grille QQOQCP */
.qq-list {
  display: flex;
  flex-direction: column;
  margin-top: 14px;
}
.qq-list dd { margin: 0; }

.qq-list__row {
  display: grid;
  grid-template-columns: minmax(110px, .14fr) minmax(0, 1fr);
  align-items: baseline;
  gap: 22px;
  padding: 16px 0;
  border-top: 1px solid var(--panel-border);
}
.qq-list__row:last-child { border-bottom: 1px solid var(--panel-border); }

.qq-list__key {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent);
}

.qq-list__value {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(254, 252, 225, .82);
}

/* Sous-titre de bloc a l'interieur d'une section */
.block-key {
  margin-top: 26px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent-2);
}

.block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 26px;
}
.block-key--flush { margin-top: 0; }
.block-head__note {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--txt-45);
}

/* Fiche persona */
.persona {
  margin-top: 16px;
  padding: 30px 32px;
  background: rgba(254, 252, 225, .03);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
}

.persona__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.persona__avatar {
  position: relative;
  flex: none;
  width: 74px;
  height: 74px;
  overflow: hidden;
  border-radius: 50%;
  background: rgba(4, 6, 13, .55);
  border: 1px solid var(--panel-border);
}
.persona__avatar img { width: 100%; height: 100%; object-fit: cover; }

.persona__name {
  font-family: var(--font-title);
  font-size: 30px;
  line-height: 1.05;
}

.persona__meta {
  margin-top: 4px;
  font-size: 14px;
  color: var(--txt-60);
}

.persona__quote {
  max-width: 820px;
  margin-top: 24px;
  padding-left: 22px;
  border-left: 2px solid var(--accent);
  font-weight: 200;
  font-size: 19px;
  line-height: 1.5;
  color: var(--accent);
}

.persona__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-top: 30px;
}
.persona__grid h5 {
  margin: 0;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .18em;
  color: var(--accent-2);
}
.persona__grid ul {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--txt-70);
}

.trait-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}
.trait-chips li {
  padding: 8px 16px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--accent-2);
  border: 1px solid rgba(208, 115, 112, .34);
  border-radius: var(--pill);
}

/* Chiffres de l'audit */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.stat-card {
  padding: 24px 18px;
  text-align: center;
  background: rgba(254, 252, 225, .03);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
}
.stat-card__value {
  font-family: var(--font-title);
  font-size: 52px;
  line-height: .9;
  color: var(--accent);
}
.stat-card__key {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--accent-2);
}
.stat-card__note {
  margin-top: 5px;
  font-size: 12px;
  color: var(--txt-50);
}

/* Deux colonnes forces / manques */
.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  margin-top: 16px;
}

.split-card {
  padding: 26px 28px;
  background: rgba(254, 252, 225, .03);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
}
.split-card--warm {
  background: rgba(208, 115, 112, .12);
  border-color: rgba(208, 115, 112, .34);
}
.split-card__key {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent);
}
.split-card--warm .split-card__key { color: var(--accent-2); }
.split-card ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--txt-70);
}
.split-card--warm ul { color: rgba(254, 252, 225, .82); }

/* Cartes d'enseignements */
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.insight-card {
  padding: 26px;
  background: rgba(254, 252, 225, .03);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
}
.insight-card__key {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--accent-2);
}
.insight-card__text {
  margin-top: 11px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--txt-70);
}

.spec-grid--spaced { margin-top: 34px; }

/* ---------- 11 quinquies. Moodboard : vignettes, palette, typo ---------- */
/* Vignettes d'inspiration legendees */
.thumb-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.thumb {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: rgba(4, 6, 13, .55);
  border: 1px solid rgba(254, 252, 225, .12);
  border-radius: var(--card-radius);
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
/* Logos et planches : visibles en entier, sans recadrage.
   La hauteur suit l'image, sans bandes vides. */
.thumb--contain {
  height: auto;
  display: flex;
}
.thumb--contain img {
  height: auto;
  object-fit: contain;
}

.thumb-caption {
  margin-top: 12px;
  text-align: center;
  font-size: 14px;
  color: var(--accent-2);
}
.thumb-caption__note {
  margin-top: 3px;
  text-align: center;
  font-size: 12px;
  color: var(--txt-55);
}

/* Nuancier */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.swatch {
  display: flex;
  align-items: flex-end;
  height: 104px;
  padding: 14px 16px;
  border-radius: var(--card-radius);
  font-size: 12px;
  letter-spacing: .08em;
}
/* Palette de la marque Brique a Biere */
.swatch--sand        { background: #D8BB84; color: #2b1c0a; }
.swatch--cream       { background: #FBF9E9; color: #2b1c0a; }
.swatch--brown-dark  { background: #422D16; color: #FBF9E9; }
.swatch--brown       { background: #8A704A; color: #FBF9E9; }
.swatch--black       { background: #000000; color: #FBF9E9; }
.swatch--white       { background: #FFFFFF; color: #2b1c0a; }

/* Note d'harmonie */
.harmony {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-top: 20px;
  padding: 22px 24px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: var(--card-radius);
}
.harmony__wheel {
  flex: none;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: conic-gradient(#D8BB84 0 25%, #8A704A 0 50%, #422D16 0 75%, #FBF9E9 0 100%);
}
.harmony__text {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(254, 252, 225, .82);
}
.harmony__text span { color: var(--accent); }

/* Fiches typographiques */
.type-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 34px;
  margin-top: 16px;
}

.type-card {
  padding: 26px 28px;
  background: rgba(254, 252, 225, .03);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
}
.type-card__name {
  font-family: var(--font-title);
  font-size: 22px;
  letter-spacing: .06em;
  color: rgba(254, 252, 225, .9);
}
.type-card__name--body {
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0;
}
.type-card__use {
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--accent-2);
}
.type-card__sample {
  margin-top: 16px;
  font-family: var(--font-title);
  font-size: 38px;
  letter-spacing: .02em;
  color: var(--accent);
}
.type-card__sample--body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 34px;
  letter-spacing: 0;
}
.type-card__text {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--txt-70);
}

/* Grille de vignettes a 3 colonnes (declinaisons) */
.thumb-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* Cartes specs centrees et resserrees */
.spec-grid--centered {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 30px;
}
.spec-grid--centered .spec-card { text-align: center; }

/* Slogan mis en exergue */
.slogan {
  margin-top: 32px;
  text-align: center;
}
.slogan__text {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(38px, 4.4vw, 62px);
  line-height: 1;
  letter-spacing: .02em;
}
.slogan__mark { color: var(--accent); }
.slogan__caption {
  margin-top: 12px;
  font-size: 14px;
  color: var(--accent-2);
}

/* Bloc pedagogique */
.lesson {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  padding: 32px 34px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}
.lesson__icon { flex: none; color: var(--accent); }
.lesson__title {
  font-family: var(--font-title);
  font-size: 24px;
  text-transform: uppercase;
}
.lesson__text {
  max-width: 860px;
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--txt-70);
}
.lesson__text span { color: var(--accent); }

/* ---------- 12. Adaptatif ---------- */
/* Paliers : tres grand ecran (min-width >= 2200), tablette (max-width <= 1080),
   intermediaire (<= 900), mobile (<= 720), tres petit mobile (<= 380).
   Plus deux blocs prefers-reduced-motion. */

/* ----- Tres grand ecran ----- */
@media (min-width: 2200px) {
  :root {
    --shell-max: 1800px;
    --shell-pad: 48px;
    --gap-shell: 84px;
    --gap-section: 104px;
    --nav-w: 150px;
    --panel-pad: 52px 52px;
  }
  /* Rail plus généreux : logo, icônes et libellés agrandis */
  .nav {
    gap: 10px;
    padding: 26px 16px;
    border-radius: 40px;
  }
  .nav__logo {
    width: 106px;
    height: 106px;
    margin-bottom: 16px;
    border-radius: 20px;
  }
  .nav__link { padding: 15px 8px; }
  .nav__icon svg {
    width: 26px;
    height: 26px;
  }
  .nav__label {
    margin-top: 8px;
    font-size: 10.5px;
  }
  .hero { padding: 84px 76px; }
  .hero__grid { gap: 64px; }
  .hero__pitch { font-size: 20px; max-width: 620px; }
  .title { font-size: 52px; }
  .title--lg { font-size: 60px; }
  .contact__title { font-size: 64px; }
  .project__thumb { height: 300px; }
  .skill-card { padding: 32px; }
  .annex-hero { padding: 76px 60px; }
  .thumb { height: 280px; }
}

/* ----- Tablette ----- */
@media (max-width: 1080px) {
  :root { --gap-section: 64px; --panel-pad: 34px 30px; }
  .hero { padding: 48px 32px; }
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  /* Portrait au-dessus du texte, cadrage paysage */
  .hero__grid > div { order: 2; }
  .hero__portrait {
    order: 1;
    max-width: none;
    aspect-ratio: 16 / 9;
    max-height: 300px;
  }
  .hero__portrait img {
    width: 100%;
    height: 100%;
    object-position: center 22%;
  }
  .duo,
  .skills__grid,
  .contact { grid-template-columns: 1fr; }
  .skills__grid { gap: 32px; }
  /* Carrousel : une carte par ecran, balayage au doigt */
  .content--case { gap: 30px; }
  /* Tablette : le fil passe sous le lien de retour */
  .case-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    border-radius: 26px;
    padding: 16px 22px;
  }
  .steps { justify-content: flex-start; }
  .case-hero { padding: 44px 28px; }
  .case-section { padding: 32px 26px; }
  .annex-hero { padding: 44px 28px; }
  .brief { padding: 28px 26px; }
  .brief__grid { grid-template-columns: 1fr; gap: 24px; }
  .steps-list__item { grid-template-columns: 1fr; gap: 12px; }
  .persona { padding: 26px 24px; }
  .persona__grid { grid-template-columns: 1fr; gap: 22px; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split-grid { grid-template-columns: 1fr; }
  .insight-grid { grid-template-columns: 1fr; }
  .thumb-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .thumb-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .spec-grid--centered { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .thumb { height: 200px; }
  .swatch-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .type-grid { grid-template-columns: 1fr; gap: 16px; }
  .lesson { padding: 28px 26px; }
  .case-columns--2,
  .case-columns--3 { grid-template-columns: 1fr; gap: 26px; }
  .meta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pillar-grid { grid-template-columns: 1fr; }
  .explore-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .legal-section { padding: 30px 26px; }
  .legal-hero { padding: 42px 26px; }
  .info-grid--2,
  .info-grid--3 { grid-template-columns: 1fr; }
  .legal-columns { grid-template-columns: 1fr; gap: 26px; }

  .projects__grid {
    display: flex;
    grid-template-columns: none;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
  }
  .projects__grid::-webkit-scrollbar { display: none; }

  .project {
    flex: 0 0 100%;
    scroll-snap-align: center;
  }

  .project__thumb { height: 300px; }
  .contact__card { padding: 32px 28px; }
}

@media (max-width: 900px) {
  .skills__cards { grid-template-columns: 1fr 1fr; }
  .tag-grid { grid-template-columns: 1fr; }
  .tag { white-space: normal; }
}

/* ----- Mobile : la nav devient une pilule flottante ----- */
@media (max-width: 720px) {
  :root {
    --shell-pad: 18px;
    --gap-section: 48px;
    --panel-pad: 28px 22px;
    --nav-bar: 92px; /* hauteur reservee a la pilule */
  }

  .shell {
    grid-template-columns: 1fr;
    padding: var(--shell-pad) var(--shell-pad) var(--nav-bar);
  }

  .nav-rail {
    position: static;
    height: auto;
    display: contents;
  }

  .nav {
    position: fixed;
    top: auto;
    bottom: calc(22px + env(safe-area-inset-bottom, 0px));
    left: 16px;
    right: 16px;
    z-index: 20;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
    padding: 8px;
    border: 1px solid rgba(254, 252, 225, .12);
    border-radius: 999px;
    background: rgba(9, 13, 26, .88);
    backdrop-filter: blur(14px);
    box-shadow: 0 18px 40px rgba(4, 6, 13, .6);
  }

  .nav__logo { display: none; }

  /* Icone seule par defaut */
  .nav__link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    min-width: 46px;
    padding: 0;
    border-color: transparent;
    border-radius: 999px;
    transition: padding .22s ease, background-color .22s ease, border-color .22s ease;
  }
  .nav__link:hover { background: none; border-color: transparent; }
  .nav__icon { color: rgba(254, 252, 225, .72); }
  .nav__label {
    margin-top: 0;
    font-family: var(--font-title);
    font-size: 11px;
    letter-spacing: .12em;
    white-space: nowrap;
    display: none;
  }

  /* L'item actif s'ouvre et affiche son libelle */
  .nav__link.is-active {
    padding: 0 18px;
    border-color: rgba(86, 213, 244, .5);
    background: rgba(86, 213, 244, .14);
    box-shadow: 0 0 22px rgba(86, 213, 244, .22);
  }
  .nav__link.is-active .nav__label { display: block; }

  /* Le premier ecran laisse la place a la pilule */
  .hero-screen { min-height: calc(100svh - var(--shell-pad) * 2 - var(--nav-bar)); }
  .hero { padding: 36px 22px; }
  .hero__role { font-size: 20px; }
  .hero__pitch { font-size: 16px; }
  .hero__actions { gap: 10px; }
  .hero__portrait {
    max-width: none;
    aspect-ratio: 3 / 2;
    max-height: 240px;
  }
  .title { font-size: 36px; }
  .title--lg { font-size: 40px; }
  .contact__title { font-size: 42px; }
  .contact__cta { padding: 0 4px 8px; }
  .skills__cards { grid-template-columns: 1fr; }
  .skill-card { padding: 22px; }
  .project__thumb { height: 210px; }
  .project__body { padding: 20px 20px 22px; }
  .project__title { font-size: 28px; }
  .btn { flex: 1 1 auto; justify-content: center; padding: 14px 20px; }
  .timeline__year { flex-basis: 72px; font-size: 21px; }
  .copyright { margin-top: 40px; }

  .content--case { gap: 22px; }

  /* En-tete de l'etude de cas : retour sur une ligne,
     annexes en bandeau defilant horizontalement */
  .case-header {
    display: block;
    margin-bottom: 26px;
    padding: 12px 0 0;
    background: none;
    border: 0;
    border-radius: 0;
  }

  .case-header__back {
    padding: 11px 18px;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--pill);
  }

  .steps {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 8px;
    margin-top: 12px;
    padding-bottom: 2px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    /* fondu sur le bord droit pour signaler le defilement */
    mask-image: linear-gradient(to right, #000 88%, transparent);
    -webkit-mask-image: linear-gradient(to right, #000 88%, transparent);
  }
  .steps::-webkit-scrollbar { display: none; }
  .steps__sep { display: none; }

  .steps__link {
    flex: 0 0 auto;
    scroll-snap-align: start;
    padding: 9px 15px;
    background: var(--panel-bg);
  }
  .steps__link:last-child { margin-right: 26px; }

  .case-hero { padding: 34px 20px; }
  .annex-hero { padding: 34px 20px; }
  .annex-hero__intent { font-size: 18px; }
  .brief { padding: 24px 20px; }
  .qq-list__row { grid-template-columns: 1fr; gap: 8px; }
  .persona { padding: 22px 20px; }
  .persona__quote { font-size: 17px; padding-left: 16px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat-card { padding: 18px 12px; }
  .stat-card__value { font-size: 40px; }
  .split-card { padding: 22px; }
  .insight-card { padding: 22px; }
  .thumb-grid { grid-template-columns: 1fr; }
  .thumb-grid--3 { grid-template-columns: 1fr; }
  .spec-grid--centered { grid-template-columns: 1fr; }
  .thumb { height: 220px; }
  .swatch-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .swatch { height: 88px; padding: 12px 14px; }
  .harmony { flex-direction: column; gap: 14px; }
  .slogan { margin-top: 24px; }
  .slogan__text { font-size: 30px; }
  .type-card { padding: 22px; }
  .type-card__sample { font-size: 32px; }
  .type-card__sample--body { font-size: 28px; }
  .lesson { flex-direction: column; gap: 14px; padding: 24px 20px; }
  .case-hero__question { font-size: 18px; }
  .case-hero__pitch { font-size: 16px; }
  .case-hero__result { flex-direction: column; gap: 8px; }
  .case-section { padding: 26px 20px; }
  .case-section__head { gap: 12px; }
  .case-section__num { font-size: 48px; }
  .case-section__title { font-size: 30px; }
  .meta-grid,
  .spec-grid,
  .explore-grid { grid-template-columns: 1fr; }
  .pager { grid-template-columns: 1fr; }
  .pager__card { padding: 20px 22px; }
  .pager__card--disabled { display: none; }

  .legal-header {
    margin-bottom: 26px;
    padding: 12px 18px;
    border-radius: 22px;
  }
  .legal-section { padding: 26px 22px; }
  .legal-section__head { gap: 12px; }
  .legal-section__num { font-size: 42px; }
  .legal-section__title { font-size: 27px; }
  .legal-hero { padding: 34px 22px; }
  .back-card { padding: 22px; }
}

@media (max-width: 380px) {
  .nav__link.is-active { padding: 0 12px; }
  .nav__label { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .nav__link { transition: none; }
}

/* ---------- 13. Page 404 ---------- */
/* Page autonome, sans rail de navigation : la coquille centre un panneau unique. */
.shell--solo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100svh;
  padding: var(--shell-pad);
}

.notfound {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 640px;
  padding: 64px 48px;
  text-align: center;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
}

.notfound__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 50% 0%, rgba(86, 213, 244, .12), transparent 70%);
  pointer-events: none;
}

.notfound__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.notfound__logo {
  display: block;
  width: 76px;
  height: 76px;
  margin-bottom: 26px;
  border-radius: 16px;
  overflow: hidden;
}
.notfound__logo img { width: 100%; height: 100%; object-fit: cover; }

.notfound__eyebrow {
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--accent);
}

.notfound__code {
  font-family: var(--font-title);
  font-size: clamp(88px, 17vw, 148px);
  line-height: .9;
  letter-spacing: .02em;
  color: var(--cream);
  opacity: .12;
}

.notfound__title {
  margin-top: 4px;
  font-family: var(--font-title);
  font-size: clamp(38px, 5vw, 56px);
  line-height: .96;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.notfound__title span { color: var(--accent); }

.notfound__text {
  max-width: 420px;
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--txt-70);
}

.notfound__actions { margin-top: 28px; }

.notfound__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  margin-top: 32px;
  font-family: var(--font-title);
  font-size: 13px;
  letter-spacing: .14em;
}
.notfound__links a { color: var(--txt-55); }
.notfound__links a:hover { color: var(--accent); }

@media (max-width: 720px) {
  .notfound { padding: 44px 24px; }
}

/* ---------- 14. Accessibilité ---------- */
/* Lien d'évitement : masqué visuellement, révélé au focus clavier en haut à gauche */
.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #05070f;
  font-weight: 500;
  font-size: 14px;
  clip-path: inset(50%);
}
.skip-link:focus {
  clip-path: none;
  outline: 2px solid var(--cream);
  outline-offset: 2px;
}