/*
  plusvrai.fr — showcase site
  Plain CSS, no build step. Design tokens mirror products/eglise-base/theme.json
  so the showcase site and the product it sells feel like the same house.
*/

/* ---------- Fonts (self-hosted, no network calls) ---------- */
@font-face {
  font-family: "DM Sans";
  font-weight: 100 1000;
  font-style: normal;
  font-display: swap;
  src: url("assets/fonts/dm-sans.woff2") format("woff2");
}
@font-face {
  font-family: "DM Mono";
  font-weight: 400 500;
  font-style: normal;
  font-display: swap;
  src: url("assets/fonts/dm-mono.woff2") format("woff2");
}

/* ---------- Design tokens ---------- */
:root {
  --accent: #2540C4;
  --accent-fonce: #1B2F91;
  --accent-doux: #E6E9F4;
  --second: #A87A24;
  --second-doux: #F2E8D2;
  --encre: #1B211F;
  --encre-douce: #5F6B67;
  --fond: #FBFAF8;
  --surface: #FFFFFF;
  --surface-alt: #F3F1EC;
  --filet: #E2DFD8;

  --font-sans: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "DM Mono", ui-monospace, Menlo, monospace;

  --content: 740px;
  --wide: 1180px;

  --sp-20: clamp(1rem, 2vw, 1.5rem);
  --sp-30: clamp(1.5rem, 3vw, 2.5rem);
  --sp-40: clamp(2.5rem, 5vw, 4rem);
  --sp-50: clamp(3.5rem, 6vw, 6rem);
  --sp-60: clamp(5rem, 9vw, 9rem);
}

/* ---------- Accessibility helpers ---------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.lien-evitement {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 50;
  background: var(--accent);
  color: var(--fond);
  padding: 0.8rem 1.2rem;
  text-decoration: none;
}
.lien-evitement:focus {
  left: 1rem;
  top: 1rem;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--fond);
  color: var(--encre);
  font-family: var(--font-sans);
  font-size: 1.125rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { font-family: var(--font-sans); font-weight: 700; line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 0.6em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.05; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.76rem); line-height: 1.25; }
h4 { font-size: clamp(1.15rem, 2vw, 1.4rem); font-weight: 600; line-height: 1.3; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: var(--accent); }
a:hover { text-decoration: none; }

:where(a, button, input, select, textarea):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Layout primitives ---------- */
.conteneur {
  max-width: var(--wide);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}
.conteneur--texte {
  max-width: var(--content);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}
section { padding-block: var(--sp-50); }
.section--alt { background: var(--surface-alt); }

.etiquette {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
}
.etiquette::before {
  content: "";
  width: 1.6rem;
  height: 2px;
  background: currentColor;
  flex: none;
}
.etiquette a { color: inherit; text-decoration: none; }
.etiquette a:hover { text-decoration: underline; }

.intro-section { max-width: 46rem; margin-bottom: var(--sp-40); }
.intro-section h2 { margin-bottom: 0.5rem; }
.intro-section p { color: var(--encre-douce); font-size: 1.15rem; margin: 0; }

/* ---------- Buttons ---------- */
.bouton {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: var(--fond);
  border: 1px solid var(--accent);
  padding: 0.85rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
}
.bouton:hover { background: var(--accent-fonce); border-color: var(--accent-fonce); color: var(--fond); }
.bouton--fantome {
  background: transparent;
  color: var(--encre);
  border-color: var(--filet);
}
.bouton--fantome:hover { background: var(--surface-alt); color: var(--encre); }

/* ---------- Header ---------- */
.entete {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 250, 248, 0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--filet);
}
.entete .conteneur {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
}
.entete__marque { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.entete__logo { height: 28px; width: auto; }
.entete__nom { font-weight: 700; font-size: 1.15rem; color: var(--encre); letter-spacing: -0.01em; }

.nav-principale { display: flex; align-items: center; gap: var(--sp-30); }
.nav-principale__liens { display: flex; gap: 1.6rem; }
.nav-principale__liens a {
  color: var(--encre-douce);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-principale__liens a:hover { color: var(--accent); }

.bouton-menu {
  display: none;
  background: none;
  border: 1px solid var(--filet);
  padding: 0.5rem 0.7rem;
  cursor: pointer;
}
.bouton-menu__barre, .bouton-menu__barre::before, .bouton-menu__barre::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--encre);
  transition: transform 0.15s ease;
}
.bouton-menu__barre::before { transform: translateY(-6px); }
.bouton-menu__barre::after { transform: translateY(4px); }

@media (max-width: 768px) {
  .bouton-menu { display: block; }
  .nav-principale {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--fond);
    border-bottom: 1px solid var(--filet);
    padding: var(--sp-30);
    gap: var(--sp-30);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
  }
  .nav-principale__liens { flex-direction: column; gap: 1.2rem; text-align: center; }
  [data-nav-open="true"] .nav-principale {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
}

/* ---------- Hero ---------- */
.heros { padding-block: var(--sp-60) var(--sp-50); }
.heros__contenu { max-width: 44rem; }
.heros__chapeau { color: var(--encre-douce); font-size: 1.2rem; margin-bottom: 1.4rem; }
.heros__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: var(--sp-30); }

/* ---------- Piliers (homepage) ---------- */
.piliers {
  display: grid;
  gap: var(--sp-30);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .piliers { grid-template-columns: repeat(3, 1fr); }
}
.pilier {
  padding: var(--sp-30);
  background: var(--surface);
  border: 1px solid var(--filet);
}
.pilier__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--second);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.8rem;
}
.pilier h3 { margin-bottom: 0.6rem; }
.pilier p { color: var(--encre-douce); margin: 0; }
.pilier--accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--fond);
}
.pilier--accent h3, .pilier--accent p { color: var(--fond); }
.pilier--accent .pilier__num { color: rgba(251,250,248,0.75); }

/* ---------- Pour qui (audience / capability cards) ---------- */
.publics {
  display: grid;
  gap: var(--sp-30);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .publics { grid-template-columns: repeat(3, 1fr); }
}
.public-carte {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--sp-40);
  background: var(--surface);
  border: 1px solid var(--filet);
  text-decoration: none;
  color: var(--encre);
}
.public-carte:hover { border-color: var(--accent); }
.public-carte h3 { margin-bottom: 0.6rem; }
.public-carte p { color: var(--encre-douce); flex: 1; }
.public-carte__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.25rem 0.55rem;
  margin-bottom: 1rem;
  align-self: flex-start;
}
.public-carte--mise-en-avant { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.public-carte__lien { display: inline-block; font-weight: 500; color: var(--accent); margin-top: 0.4rem; }

/* ---------- Réalisations (homepage teaser) ---------- */
/* Reuses .demos / .demo-carte as-is (same component as /eglise's démo
   section) so extra realisation cards can be dropped in later without a
   redesign — see the HTML comment in index.html for where they go. */
.realisations__plus { margin-top: var(--sp-30); }
.realisations__plus a { font-weight: 500; text-decoration: underline; }

/* ---------- Problème / réponse ---------- */
.duo {
  display: grid;
  gap: var(--sp-40);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .duo { grid-template-columns: 1fr 1fr; }
}
.duo__carte { padding: var(--sp-30); background: var(--surface); border: 1px solid var(--filet); }
.duo__carte p { color: var(--encre-douce); margin: 0; }
.duo__carte h3 { margin-bottom: 0.8rem; }
.duo__carte--accent { background: var(--accent); border-color: var(--accent); color: var(--fond); }
.duo__carte--accent h3, .duo__carte--accent p { color: var(--fond); }

/* ---------- Blocs (grille) ---------- */
.grille-blocs {
  display: grid;
  gap: 1px;
  background: var(--filet);
  border: 1px solid var(--filet);
  grid-template-columns: 1fr;
}
@media (min-width: 560px) {
  .grille-blocs { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 992px) {
  .grille-blocs { grid-template-columns: repeat(4, 1fr); }
}
.bloc {
  background: var(--surface);
  padding: var(--sp-30);
}
.bloc__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--second);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.8rem;
}
.bloc h3 { margin-bottom: 0.5rem; font-size: clamp(1.15rem, 2vw, 1.4rem); font-weight: 600; }
.bloc p { color: var(--encre-douce); font-size: 1rem; margin: 0; }

/* ---------- Démo ---------- */
/* ---------- Carrousel des réalisations ---------- */
/* La piste est un rail à défilement : elle marche sans JavaScript. Le script
   n'ajoute que les flèches et les points, et ne les montre que s'il y a
   vraiment plus d'une page — pas de carte coupée en deux au bord. */
.demos {
  display: flex;
  gap: var(--sp-40);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  padding-bottom: 0.25rem;
}
.demos::-webkit-scrollbar { display: none; }
.demos > .demo-carte {
  flex: 0 0 100%;
  scroll-snap-align: start;
  min-width: 0;
}
@media (min-width: 860px) {
  .demos > .demo-carte { flex-basis: calc((100% - var(--sp-40)) / 2); }
}

/* Une règle de classe l'emporte sur le [hidden] du navigateur : sans ceci,
   les flèches restent visibles alors que le script les a masquées. */
.carrousel-commandes[hidden] { display: none; }
.carrousel-commandes {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-20);
  margin-top: var(--sp-30);
}
.carrousel-fleche {
  inline-size: 2.5rem;
  block-size: 2.5rem;
  border: 1px solid var(--filet);
  background: var(--surface);
  color: var(--encre);
  border-radius: 999px;
  font-size: 1rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.carrousel-fleche:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.carrousel-fleche:disabled { opacity: 0.35; cursor: default; }
.carrousel-points { display: flex; gap: 0.4rem; }
.carrousel-points button {
  inline-size: 0.5rem;
  block-size: 0.5rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--filet);
  cursor: pointer;
}
.carrousel-points button[aria-current="true"] { background: var(--accent); }
@media (min-width: 768px) {
  .demos { grid-template-columns: repeat(2, 1fr); }
}
.demo-carte {
  background: var(--surface);
  border: 1px solid var(--filet);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.demo-carte__image { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--surface-alt); }
.demo-carte__image img { width: 100%; height: 100%; object-fit: cover; }
.demo-carte__badge {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  background: var(--fond);
  color: var(--encre);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--filet);
}
.demo-carte__corps { padding: var(--sp-30); flex: 1; display: flex; flex-direction: column; gap: 0.8rem; }
.demo-carte__corps p { color: var(--encre-douce); margin: 0; flex: 1; }
.demo-carte__lien { font-weight: 500; text-decoration: underline; align-self: flex-start; }

/* ---------- Tarifs ---------- */
.tarifs {
  display: grid;
  gap: var(--sp-30);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .tarifs { grid-template-columns: 1fr 1fr; }
}
.tarif {
  background: var(--surface);
  border: 1px solid var(--filet);
  padding: var(--sp-40);
  display: flex;
  flex-direction: column;
  gap: var(--sp-20);
}
.tarif--mise-en-avant { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.tarif__prix { font-family: var(--font-mono); font-size: clamp(2rem, 5vw, 2.7rem); color: var(--accent); margin: 0; }
.tarif__prix small { font-family: var(--font-sans); font-size: 1rem; color: var(--encre-douce); font-weight: 400; }
.tarif__maintenance { font-family: var(--font-mono); font-size: 0.95rem; color: var(--encre-douce); }
.tarif ul { display: flex; flex-direction: column; gap: 0.6rem; }
.tarif li { padding-left: 1.3rem; position: relative; color: var(--encre-douce); }
.tarif li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }

.condition {
  margin-top: var(--sp-30);
  padding: var(--sp-30);
  background: var(--second-doux);
  border-left: 3px solid var(--second);
}
.condition p { margin: 0; color: var(--encre); }
.condition strong { color: var(--encre); }

/* ---------- Étapes ---------- */
.etapes { display: flex; flex-direction: column; }
.etape {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  padding-block: var(--sp-30);
  border-top: 1px solid var(--filet);
}
.etapes .etape:last-child { border-bottom: 1px solid var(--filet); }
.etape__num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1.1rem;
  font-variant-numeric: tabular-nums;
}
.etape h3 { margin-bottom: 0.3rem; font-size: clamp(1.15rem, 2vw, 1.4rem); font-weight: 600; line-height: 1.3; }
.etape p { color: var(--encre-douce); margin: 0; }

/* ---------- Contact ---------- */
.contact { text-align: center; }
.contact__carte {
  max-width: 40rem;
  margin-inline: auto;
  padding: var(--sp-40);
  background: var(--accent);
  color: var(--fond);
}
.contact__carte h2, .contact__carte p { color: var(--fond); }
.contact__carte p { color: rgba(251,250,248,0.85); }
.contact__carte .bouton { background: var(--fond); color: var(--accent); border-color: var(--fond); margin-top: var(--sp-20); }
.contact__carte .bouton:hover { background: var(--second-doux); border-color: var(--second-doux); color: var(--accent-fonce); }

/* ---------- Footer ---------- */
.pied {
  border-top: 1px solid var(--filet);
  padding-block: var(--sp-40);
  background: var(--surface-alt);
}
.pied .conteneur {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.pied__marque { display: flex; align-items: center; gap: 0.6rem; }
.pied__logo { height: 22px; width: auto; }
.pied__texte { color: var(--encre-douce); font-size: 0.9rem; }
.pied__mentions { color: var(--encre-douce); font-size: 0.85rem; text-decoration: none; }
.pied__mentions:hover { color: var(--accent); }