/* =========================================================
   Portfolio — conception pédagogique
   Mise en page : une colonne aérée de 1080 px ; titres en serif chaleureuse,
   texte en sans-serif lisible ; lavande, rose poudré et bleu clair en touches,
   jamais en aplat de fond de page.
   ========================================================= */
:root {
  --bg: #FCFBFE;            /* blanc à peine lavande */
  --surface: #FFFFFF;
  --ink: #2E2840;           /* texte principal */
  --muted: #625B73;         /* texte secondaire (contraste AA) */
  --line: #ECE7F3;
  --lavender: #E4C1F9;
  --lavender-t: #F6EEFD;
  --rose: #F6CFE0;          /* rose poudré */
  --rose-t: #FDF2F7;
  --blue: #BFE6FA;          /* bleu clair */
  --blue-t: #EEF8FE;
  --accent: #7B4FA6;        /* lavande foncée pour liens et focus */
  --accent-ink: #FFFFFF;
  --label: #9A3470;         /* rose profond pour les étiquettes */
  --on-pastel: #2E2840;
  --placeholder: #9A6400;
  --placeholder-t: #FFF6E0;

  --serif: "DM Serif Display", Georgia, "Times New Roman", serif;
  --sans: "Lato", "Helvetica Neue", Arial, system-ui, sans-serif;

  --radius: 18px;
  --wrap: 1080px;
  --read: 68ch;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17131F; --surface: #201A2B; --ink: #F2EDF8; --muted: #BDB3CC; --line: #342B42;
    --lavender-t: #2A2138; --rose-t: #2F1F2A; --blue-t: #1C2733;
    --accent: #D7B2F5; --accent-ink: #1E1729; --label: #F4A9CC;
    --placeholder: #F2C46B; --placeholder-t: #3A2E17;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #17131F; --surface: #201A2B; --ink: #F2EDF8; --muted: #BDB3CC; --line: #342B42;
  --lavender-t: #2A2138; --rose-t: #2F1F2A; --blue-t: #1C2733;
  --accent: #D7B2F5; --accent-ink: #1E1729; --label: #F4A9CC;
  --placeholder: #F2C46B; --placeholder-t: #3A2E17;
  color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 1.0625rem; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
p { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.12; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 6.2vw, 4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.8rem, 4.2vw, 2.6rem); }
h3 { font-size: 1.4rem; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: 24px; }
.eyebrow { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--label); }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 58ch; }
.muted { color: var(--muted); }
.small { font-size: 0.92rem; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--accent); color: var(--accent-ink); padding: 10px 16px; border-radius: 10px; z-index: 100; }
.skip:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }

/* Contenu provisoire, volontairement visible */
.todo { display: inline-block; background: var(--placeholder-t); color: var(--placeholder); border: 1px dashed currentColor; border-radius: 8px; padding: 1px 8px; font-size: 0.9em; font-weight: 700; }

/* ---------- En-tête ---------- */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.logo .dots { display: inline-grid; grid-template-columns: repeat(3, 8px); gap: 4px; }
.logo .dots i { width: 8px; height: 8px; border-radius: 50%; }
.logo strong { font-family: var(--serif); font-weight: 400; font-size: 1.3rem; line-height: 1; display: block; }
.logo small { display: block; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
.nav a { display: block; padding: 10px 14px; border-radius: 999px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 0.95rem; }
.nav a:hover { background: var(--lavender-t); }
.nav a[aria-current="true"], .nav a[aria-current="page"] { background: var(--lavender-t); color: var(--accent); }
.nav-toggle { display: none; }

/* ---------- Boutons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 24px; border-radius: 999px; font: inherit; font-weight: 700; text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: transform .2s ease, background-color .2s ease, border-color .2s ease; }
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* ---------- Sections ---------- */
.section { padding-block: clamp(64px, 9vw, 112px); }
.section + .section { border-top: 1px solid var(--line); }
.section-head { display: grid; gap: 12px; margin-bottom: 40px; max-width: 760px; }

/* ---------- Accueil ---------- */
.hero { padding-block: clamp(48px, 7vw, 96px) clamp(56px, 8vw, 104px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero-text { display: grid; gap: 22px; }
.hero h1 em { font-style: italic; color: var(--accent); }

/* Fiche de conception : objectif → activité → feedback */
.fiche { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 22px; display: grid; gap: 12px; box-shadow: 0 18px 40px -28px rgba(46, 40, 64, .35); }
.fiche-head { display: flex; justify-content: space-between; gap: 12px; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); padding-bottom: 10px; border-bottom: 1px dashed var(--line); }
.fiche-row { display: grid; grid-template-columns: 6.6rem minmax(0, 1fr); gap: 12px; align-items: start; padding: 10px 12px; border-radius: 12px; animation: rise .6s ease both; }
.fiche-row:nth-child(2) { background: var(--rose-t); animation-delay: .05s; }
.fiche-row:nth-child(3) { background: var(--lavender-t); animation-delay: .15s; }
.fiche-row:nth-child(4) { background: var(--blue-t); animation-delay: .25s; }
.fiche-row:nth-child(5) { background: var(--rose-t); animation-delay: .35s; }
.fiche-row b { font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--label); padding-top: 3px; }
.fiche-row p { font-size: 0.98rem; }
.fiche-foot { font-size: 0.85rem; color: var(--muted); }
@keyframes rise { from { transform: translateY(8px); } to { transform: none; } }

.approach { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: clamp(40px, 6vw, 72px) 0 0; padding: 0; }
.approach li { list-style: none; padding: 22px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); display: grid; gap: 8px; align-content: start; }
.approach ol { margin: 0; padding: 0; display: contents; }
.approach .n { font-family: var(--serif); font-size: 1.6rem; line-height: 1; color: var(--accent); }
.approach h3 { font-size: 1.2rem; }

/* ---------- Projets ---------- */
.project-card { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; background: var(--surface); transition: transform .25s ease, box-shadow .25s ease; }
.project-card:hover { transform: translateY(-3px); box-shadow: 0 24px 48px -32px rgba(46, 40, 64, .45); }
.project-visual { background: var(--lavender-t); display: grid; place-items: center; padding: 20px; min-width: 0; }
.project-visual img { border-radius: 14px; border: 1px solid var(--line); }
.project-body { padding: clamp(24px, 4vw, 40px); display: grid; gap: 16px; align-content: center; min-width: 0; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.tags li { font-size: 0.8rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; color: var(--on-pastel); }
.tags li:nth-child(3n+1) { background: var(--lavender); }
.tags li:nth-child(3n+2) { background: var(--rose); }
.tags li:nth-child(3n) { background: var(--blue); }
.meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 0.9rem; color: var(--muted); }

/* ---------- Études de cas ---------- */
.case-list { display: grid; gap: 16px; }
.case-item { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 32px; padding: clamp(24px, 4vw, 36px); border-radius: 24px; background: var(--surface); border: 1px solid var(--line); }
.case-item dl { margin: 0; display: grid; gap: 14px; }
.case-item dt { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--label); }
.case-item dd { margin: 2px 0 0; }
.case-format { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 24px; list-style: none; padding: 0; }
.case-format li { padding: 14px 16px; border-radius: 14px; background: var(--lavender-t); font-size: 0.95rem; }
.case-format li b { display: block; font-family: var(--serif); font-weight: 400; font-size: 1.15rem; }

/* ---------- À propos ---------- */
.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 64px); align-items: start; }
.about-text { display: grid; gap: 18px; max-width: var(--read); }
.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; border-left: 2px solid var(--lavender); }
.timeline li { padding: 4px 0 22px 22px; position: relative; display: grid; gap: 4px; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 10px; width: 12px; height: 12px; border-radius: 50%; background: var(--rose); border: 2px solid var(--bg); }
.timeline b { font-size: 1.05rem; }
.citation { margin: 8px 0 0; padding: 22px 24px; border-radius: var(--radius); background: var(--rose-t); display: grid; gap: 8px; }
.citation blockquote { margin: 0; }
.citation blockquote p { font-family: var(--serif); font-size: 1.5rem; line-height: 1.3; }
.citation figcaption { font-size: 0.9rem; color: var(--muted); }
.panel { border: 1px dashed var(--line); border-radius: var(--radius); padding: 20px; display: grid; gap: 10px; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 64px); align-items: start; }
.channels { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.channels li { display: grid; grid-template-columns: 8rem minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 16px 18px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); }
.channels .k { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.channels .v { min-width: 0; overflow-wrap: anywhere; font-weight: 700; }
.copy { font: inherit; font-size: 0.85rem; font-weight: 700; color: var(--accent); background: none; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; cursor: pointer; }
.copy-status { min-height: 1.4em; font-size: 0.9rem; color: var(--muted); }

/* ---------- Pages projet et étude de cas ---------- */
.page-hero { padding-block: clamp(40px, 6vw, 80px) clamp(32px, 5vw, 56px); }
.page-hero .wrap { display: grid; gap: 20px; }
.crumbs { font-size: 0.9rem; color: var(--muted); }
.crumbs a { color: var(--muted); }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 0; }
.facts div { background: var(--surface); padding: 18px 20px; display: grid; gap: 4px; min-width: 0; }
.facts dt { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--label); }
.facts dd { margin: 0; }
.prose { max-width: var(--read); display: grid; gap: 16px; }
.prose ul, .prose ol { margin: 0; padding-left: 1.2em; display: grid; gap: 8px; }
.block { display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, 1fr); gap: clamp(20px, 4vw, 56px); padding-block: 40px; border-top: 1px solid var(--line); }
.block > h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.status { display: inline-block; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; color: var(--on-pastel); }
.status.done { background: var(--blue); }
.status.rebuilt { background: var(--lavender); }
.status.todo-s { background: var(--rose); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
table { border-collapse: collapse; width: 100%; font-size: 0.97rem; background: var(--surface); }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
tr:last-child td { border-bottom: none; }
.missions { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; counter-reset: m; }
.missions li { display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); gap: 12px; padding: 14px 16px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); counter-increment: m; }
.missions li::before { content: counter(m); font-family: var(--serif); font-size: 1.5rem; line-height: 1.1; color: var(--accent); }
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.gallery figure { margin: 0; display: grid; gap: 10px; align-content: start; }
.gallery img { border-radius: 14px; border: 1px solid var(--line); background: var(--surface); }
.gallery figcaption { font-size: 0.92rem; color: var(--muted); }
.gallery figcaption b { color: var(--ink); }
.gallery .tall img { max-height: 560px; width: auto; margin-inline: auto; }
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.box { border-radius: var(--radius); padding: 22px; display: grid; gap: 12px; align-content: start; }
.box.yes { background: var(--blue-t); }
.box.next { background: var(--rose-t); }
.box ul { margin: 0; padding-left: 1.1em; display: grid; gap: 6px; }
.callout { border-radius: var(--radius); background: var(--lavender-t); padding: clamp(24px, 4vw, 36px); display: grid; gap: 14px; }
.quote { border-left: 3px solid var(--rose); padding-left: 16px; font-style: italic; }
.access { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.access a, .access div { display: grid; gap: 6px; padding: 22px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); color: var(--ink); text-decoration: none; }
.access a:hover { border-color: var(--accent); }
.access b { font-family: var(--serif); font-weight: 400; font-size: 1.25rem; }
.pager { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 40px; border-top: 1px solid var(--line); }


/* ---------- Pied de page ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 32px; font-size: 0.9rem; color: var(--muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .about, .contact, .case-item, .project-card { grid-template-columns: minmax(0, 1fr); }
  .approach, .case-format, .access { grid-template-columns: minmax(0, 1fr); }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .block { grid-template-columns: minmax(0, 1fr); gap: 16px; }
}
@media (max-width: 760px) {
  .js .nav-toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 16px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-weight: 700; cursor: pointer; }
  .js .nav ul { display: none; position: absolute; left: 16px; right: 16px; top: 72px; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 8px; box-shadow: 0 20px 40px -24px rgba(46, 40, 64, .45); }
  .js .nav.open ul { display: flex; }
  .nav ul { flex-wrap: wrap; }
  .nav a { padding: 12px 16px; }
  .gallery, .split { grid-template-columns: minmax(0, 1fr); }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .channels li { grid-template-columns: minmax(0, 1fr) auto; }
  .channels .k { grid-column: 1 / -1; }
  .fiche-row { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .wrap { padding-inline: 18px; }
  .actions .btn { flex: 1 1 auto; }
}
@media (max-width: 760px) and (scripting: none) { .nav ul { flex-wrap: wrap; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- Version épurée ---------- */
:root { --accent: #8A5A9E; --label: #A35580; }
body { font-size: 1rem; line-height: 1.7; }
h1, h2, h3 { font-weight: 400; letter-spacing: -0.005em; }
h1 { font-size: clamp(2.4rem, 5.6vw, 3.7rem); }
.hero-solo { grid-template-columns: minmax(0, 1fr); max-width: 860px; margin-inline: auto; }
.hero { padding-block: clamp(72px, 11vw, 140px) clamp(56px, 8vw, 96px); }
.eyebrow { font-weight: 700; letter-spacing: 0.18em; font-size: 0.74rem; }
.lede { font-size: 1.12rem; }
.approach { gap: 40px; }
.approach li { border: none; background: none; padding: 20px 0 0; border-top: 1px solid var(--line); border-radius: 0; }
.approach .n { font-size: 0.9rem; font-family: var(--sans); font-weight: 600; color: var(--label); }
.btn { font-weight: 700; min-height: 46px; }
.btn-primary:hover { transform: none; opacity: .88; }
.project-card { border-radius: 20px; box-shadow: none; }
.project-card:hover { transform: none; box-shadow: none; border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.project-visual { background: var(--bg); }
.tags li, .tags li:nth-child(3n+1), .tags li:nth-child(3n+2), .tags li:nth-child(3n) { background: none; border: 1px solid var(--line); color: var(--muted); font-weight: 500; }
.timeline { border-left-color: var(--line); }
.timeline li::before { background: var(--lavender); }
.panel { border-style: solid; }
.nav a { font-weight: 400; }
.nav a[aria-current="true"], .nav a[aria-current="page"] { background: none; text-decoration: underline; text-underline-offset: 6px; }