/* ==========================================================================
   LB Communication — feuille de style principale
   Palette et proportions reprises de la maquette d'origine.
   Les valeurs à personnaliser sont regroupées dans :root ci-dessous.
   ========================================================================== */

@font-face {
  font-family: 'Jost';
  src: url('fonts/Jost-Variable.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Couleurs */
  --noir:        #1c1c1c;
  --noir-clair:  #242424;
  --rose:        #d1224f;
  --orange:      #e85233;
  --blanc:       #ffffff;
  --texte:       rgba(255, 255, 255, 0.82);
  --texte-faible: rgba(255, 255, 255, 0.55);
  --ligne:       rgba(255, 255, 255, 0.5);
  --panneau:     rgba(255, 255, 255, 0.19);

  --degrade:     linear-gradient(90deg, var(--orange) 0%, var(--rose) 100%);
  --degrade-logo: linear-gradient(135deg, var(--rose) 0%, var(--orange) 100%);

  /* Mise en page */
  --contenu:     1040px;   /* largeur du contenu */
  --marge-bord:  clamp(20px, 6vw, 100px); /* retrait du logo et du menu */
  --rayon:       6px;
  --rayon-lg:    10px;

  /* Photos — remplacez ces fichiers dans assets/images/ */
  --photo-accueil: url('images/accueil.jpg');
  --photo-portrait: url('images/portrait.jpg');
  --photo-clients: url('images/clients.jpg');
  --photo-contact: url('images/contact.jpg');
}

/* ---------- Base ---------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 90px;
  /* clip empêche tout défilement latéral sans créer de conteneur scrollable,
     contrairement à hidden que Safari contourne. overscroll-behavior-x
     supprime le rebond élastique gauche/droite sur iOS. */
  overflow-x: clip;
  overscroll-behavior-x: none;
  width: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  min-height: 100dvh;
  width: 100%;
  max-width: 100%;
  text-wrap: pretty;
  overscroll-behavior-x: none;
  background: var(--noir);
  color: var(--texte);
  font-family: 'Jost', 'Century Gothic', 'Futura', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.68;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

h1, h2, h3 {
  margin: 0;
  color: var(--blanc);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(30px, 4.6vw, 52px); }
h2 { font-size: clamp(26px, 3vw, 34px); }
h3 { font-size: clamp(21px, 2.2vw, 26px); }

p { margin: 0 0 1.1em; }

/* Texte justifié : la césure automatique est indispensable, sans elle
   les colonnes étroites se remplissent de blancs entre les mots. */
.presentation p,
.prestation__texte p,
.page-simple p,
.page-simple li {
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
  hyphenate-limit-chars: 7 3 3; /* ne coupe pas les mots courts */
}
p:last-child { margin-bottom: 0; }

a { color: inherit; }

img, svg { max-width: 100%; height: auto; display: block; }
figure, blockquote { margin: 0; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 2px;
}

.contenu {
  width: 100%;
  max-width: var(--contenu);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 24px);
}

.saut-contenu {
  position: absolute;
  left: 12px;
  top: 12px;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  background: var(--blanc);
  color: var(--noir);
  z-index: 100;
}
.saut-contenu:focus {
  width: auto;
  height: auto;
  padding: 12px 18px;
  overflow: visible;
  clip-path: none;
}

@media (max-width: 700px) {
  body { font-size: 16px; line-height: 1.62; }
  .presentation p { font-size: 16px; line-height: 1.68; }
  .prestation__texte p { font-size: 16px; }
  .prestation__texte ul { font-size: 15.5px; }
  .temoignage p { font-size: 15px; }
  .temoignage cite { font-size: 14px; }
  .pied p, .champ label { font-size: 14px; }
  .reference { font-size: 14px; }
}

/* ---------- Boutons ------------------------------------------------------ */

.bouton {
  display: inline-block;
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
  border: 0;
  border-radius: var(--rayon);
  padding: 11px 30px;
  font-family: inherit;
  font-size: clamp(15px, 1.3vw, 18px);
  font-weight: 400;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  color: var(--blanc);
  background: var(--orange);
  cursor: pointer;
  transition: filter .18s ease, transform .18s ease;
}
.bouton:hover { filter: brightness(1.1); }
.bouton:active { transform: translateY(1px); }

.bouton--rose { background: var(--rose); }
.bouton--blanc { background: var(--blanc); color: var(--noir); }
.bouton--contour {
  background: transparent;
  color: #1c1c1c;
  border: 1px solid rgba(28, 28, 28, .5);
  padding: 10px 28px;
}
.bouton--contour:hover { background: rgba(28, 28, 28, .07); filter: none; }
.bouton--large { min-width: 220px; }

/* ---------- En-tête ------------------------------------------------------ */

.entete {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px var(--marge-bord);
}

.entete--flottante {
  position: absolute;
  inset: 0 0 auto 0;
}

.logo img { width: clamp(96px, 10vw, 132px); height: auto; }

.menu {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 44px);
}

.menu a {
  font-size: clamp(15px, 1.3vw, 18px);
  text-decoration: none;
  color: var(--blanc);
  opacity: .92;
  transition: opacity .18s ease;
}
.menu a:hover { opacity: 1; }
.menu a[aria-current="page"] { text-decoration: underline; text-underline-offset: 6px; }
.menu .bouton { opacity: 1; }
.menu .bouton[aria-current="page"] { text-decoration: none; }

.burger {
  display: none;
  width: 42px; height: 42px;
  border: 0;
  padding: 0;
  background: none;
  cursor: pointer;
}
.burger span {
  display: block;
  width: 24px; height: 1.5px;
  margin: 6px auto;
  background: var(--blanc);
  transition: transform .2s ease, opacity .2s ease;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

@media (max-width: 860px) {
  .burger { display: block; width: 48px; height: 48px; }
  .menu {
    position: absolute;
    top: 100%; right: var(--marge-bord); left: var(--marge-bord);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px;
    background: #2a2a2a;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--rayon-lg);
    box-shadow: 0 24px 48px rgba(0,0,0,.45);
  }
  .menu[hidden] { display: none; }
  .menu a { padding: 13px 10px; min-height: 44px; display: flex; align-items: center; }
  .menu a:not(.bouton) { border-radius: 6px; }
  .menu a:not(.bouton):active { background: rgba(255,255,255,.08); }
  .menu .bouton { margin-top: 8px; display: flex; align-items: center; justify-content: center; }
}

/* ---------- Accueil : bandeau principal ---------------------------------- */

.accroche {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: min(78vh, 720px);
  padding: 160px var(--marge-bord) clamp(48px, 8vh, 96px);
  overflow: hidden;
  /* Fond de secours si aucune photo n'est présente : lumières floutées */
  background-color: #1b2226;
  background-image:
    radial-gradient(38% 52% at 74% 26%, rgba(232, 82, 51, .30) 0%, transparent 70%),
    radial-gradient(30% 44% at 22% 78%, rgba(209, 34, 79, .22) 0%, transparent 72%),
    radial-gradient(60% 70% at 50% 40%, rgba(120, 150, 160, .22) 0%, transparent 75%),
    linear-gradient(180deg, #232b30 0%, #171b1e 100%);
}

.accroche__photo {
  position: absolute;
  inset: 0;
  background-image: var(--photo-accueil);
  background-size: cover;
  background-position: center 40%;
}

.accroche__voile {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(16,16,16,.88) 0%, rgba(16,16,16,.55) 45%, rgba(16,16,16,.30) 100%),
    linear-gradient(180deg, rgba(16,16,16,.75) 0%, rgba(16,16,16,.15) 35%, rgba(16,16,16,.55) 100%);
}

.accroche__texte { position: relative; max-width: 720px; }

.accroche h1 { margin-bottom: 28px; }

.accroche__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.accroche__actions .bouton { min-width: 200px; }

@media (max-width: 600px) {
  .accroche { padding-top: 150px; min-height: 62vh; }
  .accroche__actions .bouton { min-width: 0; flex: 1 1 140px; }
}

/* ---------- Section : présentation --------------------------------------- */

.section { position: relative; padding: clamp(64px, 9vw, 118px) 0; }
.section--serree { padding-top: 0; }

.filigrane {
  position: absolute;
  pointer-events: none;
  opacity: .055;
  z-index: 0;
}
.presentation {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}

.presentation h3 { margin-bottom: 16px; }
.presentation p { font-size: 16.5px; line-height: 1.72; }
.presentation .bouton { margin-top: 26px; }

.cadre-photo {
  padding: 5px;
  border: 1px solid rgba(255, 255, 255, .88);
  border-radius: var(--rayon-lg);
}
.cadre-photo > div {
  aspect-ratio: 1 / 1.09;
  border-radius: 7px;
  background-color: #3a3a3a;
  background-image: var(--photo-portrait);
  background-size: cover;
  background-position: center;
}

@media (max-width: 820px) {
  .presentation { grid-template-columns: 1fr; }
  .cadre-photo { order: -1; max-width: 420px; }
}

/* ---------- Chiffres ----------------------------------------------------- */

.chiffres {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--panneau);
  border: 1px solid var(--ligne);
  border-radius: var(--rayon-lg);
  padding: clamp(24px, 3.4vw, 40px) 0;
}

.chiffre { text-align: center; padding: 4px clamp(12px, 2vw, 28px); }
.chiffre + .chiffre { border-left: 1px solid rgba(255,255,255,.28); }

.chiffre b {
  display: block;
  font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 4.4vw, 50px);
  font-weight: 400;
  line-height: 1.05;
  color: var(--blanc);
  letter-spacing: -0.02em;
}
.chiffre span {
  display: block;
  margin-top: 10px;
  font-size: clamp(13px, 1.15vw, 15px);
  color: var(--blanc);
  line-height: 1.35;
}

@media (max-width: 620px) {
  .chiffres { grid-template-columns: 1fr; padding: 8px 0; }
  .chiffre { padding: 20px 16px; }
  .chiffre + .chiffre { border-left: 0; border-top: 1px solid rgba(255,255,255,.28); }
}

/* ---------- Prestations -------------------------------------------------- */

.prestations { display: grid; gap: clamp(56px, 8vw, 108px); margin-top: clamp(44px, 6vw, 70px); }

.prestation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.prestation__dessin { opacity: .38; }
.prestation__dessin img { width: 100%; height: auto; }

.prestation__texte { text-align: right; }
.prestation__texte p { text-align-last: right; }
.prestation--inversee .prestation__texte p { text-align-last: left; }
.prestation--inversee .prestation__dessin { order: 2; }
.prestation--inversee .prestation__texte { order: 1; text-align: left; }

.etiquette {
  display: inline-block;
  margin-bottom: 18px;
  padding: 6px 16px 7px;
  border-radius: var(--rayon);
  background: var(--rose);
  color: var(--blanc);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.3;
}
.etiquette--orange { background: var(--orange); }

.prestation__texte p { font-size: 16px; line-height: 1.7; }
.prestation__texte ul {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 15.5px;
  color: var(--texte-faible);
}
.prestation__texte li { padding: 3px 0; }

@media (max-width: 820px) {
  .prestation { grid-template-columns: 1fr; }
  .prestation__dessin, .prestation--inversee .prestation__dessin { order: -1; max-width: 340px; }
  .prestation__texte, .prestation--inversee .prestation__texte { order: 1; text-align: left; }
  .prestation__texte p { text-align-last: left; }
}

/* ---------- Bandeau d'appel ---------------------------------------------- */

.appel {
  background: var(--degrade);
  text-align: center;
  padding: clamp(52px, 7vw, 82px) 20px;
}
.appel h2 { margin-bottom: 26px; }

/* ---------- Ils nous ont fait confiance ---------------------------------- */

.confiance {
  position: relative;
  padding: clamp(56px, 7vw, 86px) 0 0;
  color: #1c1c1c;
  background-color: #e9e9e9;
  background-image:
    radial-gradient(50% 60% at 78% 22%, rgba(209,34,79,.10) 0%, transparent 70%),
    radial-gradient(46% 56% at 12% 70%, rgba(232,82,51,.08) 0%, transparent 72%),
    linear-gradient(170deg, #f4f4f4 0%, #e2e2e2 60%, #d9d9d9 100%);
  background-size: cover;
  overflow: hidden;
}
.confiance__photo {
  position: absolute;
  inset: 0;
  background-image: var(--photo-clients);
  background-size: cover;
  background-position: center;
}
.confiance__voile {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(248,248,248,.94) 0%, rgba(240,240,240,.78) 45%, rgba(232,232,232,.88) 100%);
}
.confiance > .contenu { position: relative; z-index: 1; }
.confiance h2 { color: #1c1c1c; margin-bottom: clamp(28px, 4vw, 44px); }

.temoignages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.6vw, 32px);
}

.temoignage {
  border: 1px solid rgba(28, 28, 28, .55);
  border-radius: 4px;
  background: rgba(255, 255, 255, .28);
  padding: clamp(18px, 2.2vw, 26px);
  text-align: center;
  color: #232323;
}
.temoignage { display: flex; flex-direction: column; }
.temoignage[hidden] { display: none; }
.temoignage blockquote { flex: 1; }
.temoignage__notes { color: var(--orange); letter-spacing: 2px; font-size: 17px; }
.temoignage h3 {
  color: #1c1c1c;
  font-size: clamp(17px, 1.5vw, 20px);
  margin: 8px 0 14px;
}
.temoignage p { font-size: 13.5px; line-height: 1.6; }
.temoignage cite {
  display: block;
  margin-top: 14px;
  font-style: normal;
  font-size: 13px;
  color: rgba(28,28,28,.62);
}

.voir-plus {
  position: relative;
  z-index: 1;
  margin-top: clamp(22px, 3vw, 32px);
  text-align: center;
}

.references {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: center;
  gap: clamp(14px, 2.4vw, 28px);
  max-width: var(--contenu);
  margin: clamp(48px, 7vw, 90px) auto 0;
  padding: 0 clamp(20px, 5vw, 24px) clamp(40px, 6vw, 70px);
}
.reference {
  min-height: 54px;
  display: grid;
  place-items: center;
  padding: 8px 4px;
  font-size: clamp(13px, 1.2vw, 15px);
  color: rgba(28, 28, 28, .5);
  text-align: center;
  line-height: 1.3;
}
.reference img { max-height: 44px; width: auto; }

@media (max-width: 980px) {
  .references { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 820px) {
  .temoignages { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .references { grid-template-columns: repeat(2, 1fr); }
}

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

.pied {
  position: relative;
  overflow: hidden;
  background: var(--noir);
  text-align: center;
  padding: clamp(40px, 5vw, 56px) 20px clamp(32px, 4vw, 44px);
}
.pied__contenu { position: relative; z-index: 1; }
.pied img { width: 96px; height: auto; margin: 0 auto 14px; }
.pied p { font-size: 13px; color: var(--texte-faible); }

.pied__liens {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 28px;
  margin-bottom: 10px;
}
.pied .pied__liens a {
  display: inline-flex;
  align-items: center;
  flex-wrap: nowrap;
  white-space: nowrap;
  gap: 7px;
  min-height: 44px;
  padding: 0 4px;
  font-size: 14px;
  color: var(--blanc);
  text-decoration: none;
  border-bottom: 0;
  opacity: .85;
  transition: opacity .18s ease;
}
.pied .pied__liens a:hover { opacity: 1; color: var(--blanc); }
.pied .pied__liens svg {
  flex: none;
  width: 17px;
  height: 17px;
  display: inline-block;   /* repli si le flex n'est pas applique */
  vertical-align: -3px;
}
.pied .pied__liens a span { display: inline-block; }
.pied a { text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.3); }
.pied a:hover { color: var(--blanc); }

/* ---------- Page contact ------------------------------------------------- */

.page-contact {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: #1c1c1c;
  background-image:
    radial-gradient(46% 40% at 50% 68%, rgba(60, 82, 74, .55) 0%, transparent 74%),
    radial-gradient(30% 30% at 78% 84%, rgba(232, 82, 51, .16) 0%, transparent 76%),
    linear-gradient(180deg, #1c1c1c 0%, #1c1c1c 42%, #232a26 100%);
}
.page-contact__photo {
  position: absolute;
  inset: 30% 0 0 0;
  background-image: var(--photo-contact);
  background-size: cover;
  background-position: center 60%;
}
.page-contact__voile {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,20,20,.97) 0%, rgba(20,20,20,.86) 40%, rgba(20,20,20,.62) 100%);
}
.page-contact > * { position: relative; z-index: 1; }

.formulaire-zone {
  flex: 1;
  padding: clamp(24px, 5vw, 56px) 0 clamp(56px, 12vw, 150px);
}

.titre-contact {
  position: relative;
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 64px);
}
.titre-contact .filigrane--titre {
  left: 50%;
  top: -34%;
  width: clamp(140px, 16vw, 210px);
  transform: translateX(10%);
  opacity: .075;
}
.titre-contact h1 { position: relative; z-index: 1; }
.titre-contact h1 span {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 22px 8px;
  border-radius: var(--rayon);
  background: linear-gradient(90deg, var(--rose) 0%, var(--orange) 100%);
}

.formulaire {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px clamp(20px, 3.4vw, 40px);
}
.champ--large { grid-column: 1 / -1; }

/* Question de vérification : champ court, la question reste lisible */
.champ--verification { max-width: 340px; }
.champ--verification label b {
  font-weight: 500;
  letter-spacing: .02em;
}
.champ--verification input { max-width: 120px; }

.champ label {
  display: block;
  margin-bottom: 7px;
  font-size: 13px;
  color: var(--blanc);
}
.champ label .req { color: var(--blanc); }

.champ input,
.champ textarea {
  width: 100%;
  font-family: inherit;
  font-size: 16px; /* < 16px declenche un zoom automatique sur iOS */
  color: var(--blanc);
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .32);
  border-radius: var(--rayon);
  padding: 11px 14px;
  transition: border-color .18s ease, background .18s ease;
}
.champ textarea {
  min-height: 150px;
  resize: vertical;
  background: rgba(255, 255, 255, .07);
  border-color: rgba(255, 255, 255, .55);
}
.champ input::placeholder, .champ textarea::placeholder { color: rgba(255,255,255,.4); }
.champ input:hover, .champ textarea:hover { border-color: rgba(255,255,255,.6); }
.champ input:focus, .champ textarea:focus {
  outline: none;
  border-color: var(--orange);
  background: rgba(255, 255, 255, .2);
}
.champ [aria-invalid="true"] { border-color: #ff8a6b; }

.erreur {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  color: #ffab93;
  min-height: 1em;
}

.formulaire__envoi {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
}
.formulaire__envoi .bouton { min-width: 182px; }

.formulaire__appel {
  margin: 0;
  font-size: 14px;
  color: var(--texte-faible);
}
.formulaire__appel a {
  color: var(--blanc);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, .35);
  padding-bottom: 1px;
  white-space: nowrap;
}
.formulaire__appel a:hover { border-color: var(--blanc); }

.message-envoi {
  grid-column: 1 / -1;
  margin: 0;
  padding: 12px 16px;
  border-radius: var(--rayon);
  font-size: 14px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.3);
  color: var(--blanc);
}
.message-envoi[hidden] { display: none; }
.message-envoi--ok { background: rgba(60,150,90,.22); border-color: rgba(120,220,160,.5); }
.message-envoi--ko { background: rgba(200,60,40,.2); border-color: rgba(255,140,110,.5); }

@media (max-width: 700px) {
  .formulaire { grid-template-columns: 1fr; }
}

/* Champ piège : invisible et hors du flux, mais sans position hors écran
   qui pourrait rendre la page déplaçable latéralement. */
.champ--piege {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  pointer-events: none;
}

/* ---------- Page simple (mentions légales) ------------------------------- */

.page-simple { padding: clamp(40px, 6vw, 80px) 0 clamp(60px, 8vw, 110px); }
.page-simple h1 { margin-bottom: 32px; }
.page-simple h2 { font-size: clamp(19px, 1.8vw, 22px); margin: 34px 0 10px; }
.page-simple p, .page-simple li { max-width: 68ch; font-size: 15px; }
.page-simple a { text-decoration: underline; text-underline-offset: 3px; }