/* =========================================================
   Studio Laila — feuille de style
   Charte « pixel » : encre et ivoire portent tout, un serif
   pour l'émotion, une linéale pour l'information, et le bleu
   reste rare — réservé au pixel et à quelques accents.
   ========================================================= */

:root {
  --encre: #121212;
  --ivoire: #F5F1EA;
  --bleu: #2340FF;
  --papier: #FBF9F5;
  --gris: #6B6760;
  --gris-nuit: #A9A49B;
  --filet: #DAD4CA;
  --filet-nuit: #2E2E2E;

  --serif: 'Instrument Serif', 'Times New Roman', serif;
  --sans: 'Inter Tight', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --gouttiere: clamp(18px, 3vw, 40px);
  --max: 1440px;
  --entete-h: 76px;
  --rayon: 20px;
  --courbe: cubic-bezier(.7, 0, .2, 1);
  --sortie: cubic-bezier(.16, 1, .3, 1);
}

/* ---------------------------------------------------------
   Base
   --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--ivoire); color: var(--encre); -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html.motion.is-loading { overflow: hidden; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--ivoire);
  color: var(--encre);
  font: 400 17px/1.5 var(--sans);
  letter-spacing: -.01em;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p, figure, dl, dd, fieldset { margin: 0; }
::selection { background: var(--bleu); color: #fff; }
:focus-visible { outline: 2px solid var(--bleu); outline-offset: 4px; border-radius: 4px; }

.evitement {
  position: fixed; top: 12px; left: 12px; z-index: 300;
  padding: 10px 18px; border-radius: 999px;
  background: var(--encre); color: var(--ivoire);
  font-size: 14px; font-weight: 500; text-decoration: none;
  transform: translateY(-200%);
}
.evitement:focus { transform: none; }

/* ---------------------------------------------------------
   Typographie
   --------------------------------------------------------- */
.titre { font-family: var(--serif); font-weight: 400; letter-spacing: -.025em; }
.titre--xxl { font-size: clamp(54px, 9.4vw, 160px); line-height: .9; }
.titre--xl { font-size: clamp(46px, 6.4vw, 108px); line-height: .92; }
.titre--l { font-size: clamp(36px, 4.2vw, 68px); line-height: .95; }
.surtitre { font-size: 13px; font-weight: 500; line-height: 1.3; letter-spacing: .14em; text-transform: uppercase; color: var(--gris); }
.texte { font-size: 18px; line-height: 1.55; max-width: 52ch; }

/* Le pixel bleu, signature de la marque, en guise de point final */
.pixel { display: inline-block; width: .13em; height: .13em; margin-left: .05em; background: var(--bleu); vertical-align: baseline; }
.pixel--clignote { animation: clignote 1.1s steps(1) infinite; }
@keyframes clignote { 0%, 55% { opacity: 1; } 56%, 100% { opacity: 0; } }

/* Découpage en mots masqués (titres) */
.mot { display: inline-block; overflow: hidden; padding: .08em .02em .14em; margin: -.08em -.02em -.14em; vertical-align: top; }
.mot > span { display: inline-block; }
.mot-libre { display: inline; }

/* ---------------------------------------------------------
   Boutons et liens
   --------------------------------------------------------- */
.bouton {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 54px; padding: 0 28px;
  border: 1px solid var(--encre); border-radius: 999px;
  background: var(--encre); color: var(--ivoire);
  font: 500 16px/1 var(--sans); letter-spacing: -.01em;
  text-decoration: none; white-space: nowrap;
  transition: background-color .4s var(--sortie), color .4s var(--sortie), border-color .4s;
}
.bouton::after { content: ''; width: 8px; height: 8px; background: var(--bleu); transition: transform .5s var(--sortie); }
.bouton:hover::after, .bouton:focus-visible::after { transform: rotate(90deg) scale(1.25); }
.bouton:hover { background: #000; }
.bouton--contour { background: transparent; color: var(--encre); }
.bouton--contour:hover { background: var(--encre); color: var(--ivoire); }
.bouton--petit { min-height: 42px; padding: 0 20px; font-size: 14px; }
.bouton--clair { border-color: var(--ivoire); background: var(--ivoire); color: var(--encre); }
.bouton--clair:hover { background: #fff; }

.lien {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 500; text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  transition: background-size .6s var(--courbe);
}
.lien:hover, .lien:focus-visible { background-size: 100% 1px; }

/* ---------------------------------------------------------
   Curseur : un pixel bleu qui suit la souris
   --------------------------------------------------------- */
.curseur { display: none; }
@media (hover: hover) and (pointer: fine) {
  .motion .curseur { position: fixed; left: 0; top: 0; z-index: 200; display: block; pointer-events: none; transition: opacity .3s; }
  .curseur__pixel {
    position: absolute; left: 0; top: 0;
    width: 12px; height: 12px;
    background: var(--bleu);
    transform: translate(-50%, -50%);
    transition: width .5s var(--sortie), height .5s var(--sortie);
  }
  .curseur.est-lien .curseur__pixel { width: 22px; height: 22px; }
  .curseur.est-texte .curseur__pixel { width: 96px; height: 96px; }
  .curseur__texte {
    position: absolute; left: 0; top: 0;
    color: #fff; font-size: 14px; font-weight: 500; white-space: nowrap;
    opacity: 0; transform: translate(-50%, -50%) scale(.6);
    transition: opacity .3s, transform .5s var(--sortie);
  }
  .curseur.est-texte .curseur__texte { opacity: 1; transform: translate(-50%, -50%); }
  .curseur.est-cache { opacity: 0; }
}

/* ---------------------------------------------------------
   En-tête et menu
   --------------------------------------------------------- */
.entete {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  display: flex; align-items: center; gap: 32px;
  height: var(--entete-h);
  padding: 0 var(--gouttiere);
  border-bottom: 1px solid transparent;
  transition: transform .8s var(--courbe), background-color .4s, border-color .4s;
}
.entete.est-defile { background: rgba(245, 241, 234, .86); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom-color: var(--filet); }
.entete.est-cache { transform: translateY(-101%); }
.menu-ouvert .entete { transform: none; background: transparent; border-bottom-color: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
.entete__logo { display: block; width: 104px; }
.entete__nav { display: flex; gap: 30px; margin-left: auto; }
.entete__nav a { font-size: 15px; font-weight: 500; text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size .6s var(--courbe); }
.entete__nav a:hover { background-size: 100% 1px; }
.menu-bouton { display: none; min-height: 42px; padding: 0 18px; border: 1px solid var(--encre); border-radius: 999px; font-size: 14px; font-weight: 500; }

.menu {
  position: fixed; inset: 0; z-index: 55;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: calc(var(--entete-h) + 32px) var(--gouttiere) 28px;
  background: var(--ivoire);
  visibility: hidden;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .9s var(--courbe), visibility 0s .9s;
}
.menu-ouvert .menu { visibility: visible; clip-path: inset(0); transition: clip-path .9s var(--courbe); }
.menu__liens li { overflow: hidden; border-top: 1px solid var(--filet); }
.menu__liens a {
  display: block; padding: 10px 0 6px;
  font: 400 clamp(52px, 15vw, 96px)/1 var(--serif); letter-spacing: -.025em; text-decoration: none;
  transform: translateY(105%); transition: transform .9s var(--sortie);
}
.menu-ouvert .menu__liens a { transform: none; transition-delay: calc(.25s + var(--i) * .06s); }
.menu__pied { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 20px; font-size: 15px; }
.menu__pied a { text-decoration: none; }

/* ---------------------------------------------------------
   Accueil
   --------------------------------------------------------- */
.hero {
  position: relative;
  display: flex; flex-direction: column;
  min-height: 100vh; min-height: 100svh;
  padding: calc(var(--entete-h) + 28px) 0 40px;
  overflow: hidden;
}
.hero__haut, .hero__titre, .hero__pied { padding: 0 var(--gouttiere); }
.hero__haut { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 20px; }
.hero__titre { max-width: 13.5em; margin-top: auto; }
.hero__pied { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 28px 48px; margin: 40px 0 56px; }
.hero__texte { max-width: 44ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Bandeau des projets, qui défile en continu */
.bandeau { position: relative; overflow: hidden; }
.bandeau__piste { display: flex; width: max-content; will-change: transform; }
.bandeau__groupe { display: flex; gap: 20px; padding-right: 20px; }
.vignette { display: block; width: clamp(240px, 22vw, 360px); text-decoration: none; }
.vignette__image { overflow: hidden; border-radius: 14px; aspect-ratio: 16 / 10; background: var(--filet); }
.vignette__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--sortie); }
.vignette:hover .vignette__image img { transform: scale(1.05); }
.vignette__nom { display: flex; justify-content: space-between; margin-top: 12px; font-size: 14px; font-weight: 500; }
.vignette__nom span:last-child { color: var(--gris); }

/* ---------------------------------------------------------
   Sections
   --------------------------------------------------------- */
.section { max-width: var(--max); margin: 0 auto; padding: 140px var(--gouttiere); }
.section__entete { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 24px; margin-bottom: 80px; }
.section__entete .titre { margin-bottom: 28px; }

/* Projets */
.projets__liste { display: grid; gap: 120px; }
.projet { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 24px; align-items: center; }
.projet__visuel { grid-column: 1 / span 7; display: block; overflow: hidden; border-radius: var(--rayon); aspect-ratio: 16 / 10; background: var(--filet); }
/* GSAP fait glisser le cadre ; le survol agrandit l'image (jamais le même élément, sinon la transition CSS freine GSAP) */
.projet__parallaxe { display: block; width: 100%; height: 100%; }
.projet__visuel img { width: 100%; height: 100%; object-fit: cover; transform-origin: 50% 50%; transition: transform 1.2s var(--sortie); }
.projet__visuel:hover img { transform: scale(1.04); }
.projet__infos { grid-column: 9 / span 4; display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
.projet:nth-child(even) .projet__visuel { grid-column: 6 / span 7; order: 2; }
.projet:nth-child(even) .projet__infos { grid-column: 1 / span 4; }
.projet__num { display: flex; gap: 14px; }
.projet__nom { font: 400 clamp(44px, 5vw, 84px)/.92 var(--serif); letter-spacing: -.025em; }
.projet__nom a { text-decoration: none; }
.projet__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.projet__tags li { padding: 6px 12px; border-radius: 999px; background: #EDE8DF; font-size: 13px; font-weight: 500; }
.projet__liens { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 8px; }

/* Services */
.services__liste { border-top: 1px solid var(--encre); }
.service {
  position: relative;
  display: grid; grid-template-columns: 80px minmax(0, 5fr) minmax(0, 6fr); align-items: baseline; gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--filet);
}
.service__num { font-size: 14px; font-weight: 500; color: var(--gris); }
.service__nom { font: 400 clamp(34px, 3.6vw, 56px)/1 var(--serif); letter-spacing: -.02em; transition: transform .7s var(--sortie); }
.service__nom::after { content: ''; display: inline-block; width: .13em; height: .13em; margin-left: .05em; background: var(--bleu); transform: scale(0); transition: transform .5s var(--sortie); }
.service:hover .service__nom { transform: translateX(12px); }
.service:hover .service__nom::after { transform: none; }
.service__texte { max-width: 44ch; color: #3D3A35; }

/* Méthode */
.methode { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 24px 64px; }
.methode__colonne { position: sticky; top: calc(var(--entete-h) + 40px); align-self: start; display: flex; flex-direction: column; gap: 24px; }
.methode__fil { display: block; width: 1px; height: 120px; margin-top: 16px; background: var(--filet); }
.methode__fil i { display: block; width: 100%; height: 100%; background: var(--bleu); transform: scaleY(0); transform-origin: 50% 0; }
html:not(.motion) .methode__fil { display: none; }
.etape { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 24px; padding: 40px 0; border-top: 1px solid var(--filet); }
.etape:last-child { border-bottom: 1px solid var(--filet); }
.etape__num { font: 400 clamp(64px, 6vw, 96px)/.8 var(--serif); letter-spacing: -.03em; color: var(--filet); transition: color .5s; }
.etape.est-active .etape__num { color: var(--bleu); }
.etape__titre { margin-bottom: 12px; font: 400 clamp(30px, 2.8vw, 42px)/1 var(--serif); letter-spacing: -.02em; }

/* Le studio */
.studio { padding-top: 60px; }
.studio__texte {
  max-width: 22em; margin-top: 28px;
  font: 400 clamp(36px, 4.6vw, 76px)/1.04 var(--serif); letter-spacing: -.02em;
  text-indent: 2.2em;
}

/* Contact */
.contact {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 48px 80px;
  padding: 140px max(var(--gouttiere), calc((100vw - var(--max)) / 2 + var(--gouttiere)));
  background: var(--encre); color: var(--ivoire);
}
.contact .surtitre { color: var(--gris-nuit); }
.contact__intro { display: flex; flex-direction: column; gap: 28px; }
.contact__directs { display: grid; gap: 16px; margin-top: 16px; padding-top: 28px; border-top: 1px solid var(--filet-nuit); }
.contact__directs li { display: grid; gap: 4px; }
.contact__directs a { font-size: 22px; text-decoration: none; }
.contact__directs a:hover { text-decoration: underline; text-underline-offset: 4px; }

.formulaire { display: grid; gap: 22px; align-content: start; }
.formulaire__duo { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.formulaire__piege { position: absolute; left: -9999px; }
.champ { display: grid; gap: 8px; border: 0; padding: 0; min-width: 0; }
.champ > label:not(.choix__option), .champ legend { padding: 0; font-size: 13px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--gris-nuit); }
.champ input:not([type="radio"]), .champ textarea {
  width: 100%; padding: 14px 0;
  border: 0; border-bottom: 1px solid #3A3A3A; border-radius: 0;
  background: transparent; color: var(--ivoire);
  font: 400 20px/1.4 var(--sans); letter-spacing: -.01em;
  outline: none; transition: border-color .3s;
}
.champ textarea { resize: vertical; min-height: 130px; }
.champ input:focus, .champ textarea:focus { border-bottom-color: var(--ivoire); }
.champ input::placeholder, .champ textarea::placeholder { color: #5E5A54; }
.champ [aria-invalid="true"] { border-bottom-color: #FF8A7A; }
.choix { display: flex; flex-wrap: wrap; gap: 8px; }
.choix legend { margin-bottom: 10px; }
.choix__option { position: relative; }
.choix__option input { position: absolute; left: 0; top: 0; width: 1px; height: 1px; margin: 0; opacity: 0; pointer-events: none; }
.choix__option span {
  display: inline-block; padding: 10px 18px;
  border: 1px solid #3A3A3A; border-radius: 999px;
  font-size: 15px; cursor: pointer;
  transition: background-color .3s, color .3s, border-color .3s;
}
.choix__option input:checked + span { border-color: var(--ivoire); background: var(--ivoire); color: var(--encre); }
.choix__option input:focus-visible + span { outline: 2px solid var(--bleu); outline-offset: 3px; }
.formulaire .bouton { justify-self: start; margin-top: 8px; }
.formulaire__message { min-height: 1.5em; font-size: 16px; color: var(--ivoire); }

/* Pied de page */
.pied {
  padding: 80px max(var(--gouttiere), calc((100vw - var(--max)) / 2 + var(--gouttiere))) 28px;
  background: var(--encre); color: var(--gris-nuit);
}
.pied__logo { width: min(100%, 980px); margin: 0 auto 64px; }
.pied__bas { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; padding-top: 22px; border-top: 1px solid var(--filet-nuit); font-size: 14px; }
.pied__bas a { text-decoration: none; }
.pied__bas a:hover { color: var(--ivoire); }

/* ---------------------------------------------------------
   Page projet
   --------------------------------------------------------- */
.p-hero { max-width: var(--max); margin: 0 auto; padding: calc(var(--entete-h) + 72px) var(--gouttiere) 56px; }
.p-hero__haut { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; margin-bottom: 36px; }
.p-hero__retour { font-size: 15px; }
.p-hero__bas { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: end; gap: 32px 48px; margin-top: 40px; }
.p-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }

.p-couverture { max-width: calc(var(--max) - 2 * var(--gouttiere)); margin: 0 auto; padding: 0 var(--gouttiere); }
.p-couverture__cadre { overflow: hidden; border-radius: var(--rayon); }
.p-couverture img { width: 100%; }

.p-recit { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 24px; max-width: var(--max); margin: 0 auto; padding: 120px var(--gouttiere); }
.p-recit__blocs { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.p-recit h2 { margin-bottom: 18px; font: 400 clamp(32px, 3vw, 46px)/1 var(--serif); letter-spacing: -.02em; }
.p-recit .texte + .texte { margin-top: 14px; }

.p-galerie { display: grid; gap: 48px; max-width: var(--max); margin: 0 auto; padding: 0 var(--gouttiere); }
.p-galerie__duo { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.p-image { margin: 0; }
.p-image__cadre { overflow: hidden; border-radius: var(--rayon); background: var(--filet); }
.p-image__cadre img { width: 100%; }
.p-image figcaption { display: flex; gap: 14px; margin-top: 12px; font-size: 14px; color: var(--gris); }
.p-image figcaption span { color: var(--encre); font-weight: 500; }

.p-fiche { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 24px; max-width: var(--max); margin: 0 auto; padding: 120px var(--gouttiere) 140px; }
.p-fiche dl { border-top: 1px solid var(--encre); }
.p-fiche dl div { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--filet); }
.p-fiche dt { padding-top: 3px; font-size: 13px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--gris); }
.p-fiche dd { font-size: 18px; }

.p-suivant {
  display: block; padding: 120px max(var(--gouttiere), calc((100vw - var(--max)) / 2 + var(--gouttiere)));
  background: var(--encre); color: var(--ivoire); text-decoration: none;
}
.p-suivant .surtitre { color: var(--gris-nuit); }
.p-suivant__ligne { display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-top: 24px; }
.p-suivant__nom { font: 400 clamp(56px, 10vw, 168px)/.9 var(--serif); letter-spacing: -.03em; transition: transform .8s var(--sortie); }
.p-suivant:hover .p-suivant__nom { transform: translateX(16px); }
.p-suivant__vignette { flex: none; width: clamp(160px, 22vw, 340px); overflow: hidden; border-radius: 14px; }
.p-suivant + .pied { padding-top: 0; }

/* Pages simples (mentions, merci, 404) */
.page-simple { max-width: 900px; margin: 0 auto; padding: calc(var(--entete-h) + 96px) var(--gouttiere) 120px; }
.page-simple .titre { margin: 24px 0 40px; }
.page-simple h2 { margin: 48px 0 12px; font: 400 32px/1.1 var(--serif); letter-spacing: -.02em; }
.page-simple p { max-width: 64ch; margin-bottom: 12px; }
.page-simple .bouton { margin-top: 24px; }
.a-completer { padding: 1px 6px; border-radius: 4px; background: #FFF1B8; }

/* ---------------------------------------------------------
   Responsive
   --------------------------------------------------------- */
@media (max-width: 960px) {
  .entete__nav, .entete__devis { display: none; }
  .menu-bouton { display: inline-flex; align-items: center; margin-left: auto; }
  .section__entete, .methode, .contact, .p-recit, .p-fiche, .p-hero__bas { grid-template-columns: 1fr; }
  .section__entete { margin-bottom: 56px; }
  .methode__colonne { position: static; }
  .methode__fil { display: none; }
  .projet { grid-template-columns: 1fr; gap: 24px; }
  .projet__visuel, .projet:nth-child(even) .projet__visuel, .projet__infos, .projet:nth-child(even) .projet__infos { grid-column: 1; order: 0; }
  .p-hero__actions { justify-content: flex-start; }
}

@media (max-width: 640px) {
  :root { --entete-h: 64px; }
  body { font-size: 16px; }
  .texte { font-size: 17px; }
  .entete__logo { width: 88px; }
  .hero__disciplines { display: none; }
  .hero__pied { margin: 28px 0 40px; }
  .section { padding: 96px var(--gouttiere); }
  .projets__liste { gap: 80px; }
  .service { grid-template-columns: 1fr; gap: 10px; padding: 28px 0; }
  .etape { grid-template-columns: 1fr; gap: 12px; padding: 32px 0; }
  .etape__num { font-size: 56px; }
  .studio__texte { text-indent: 0; }
  .contact { padding-top: 96px; padding-bottom: 96px; }
  .formulaire__duo, .p-recit__blocs, .p-galerie__duo { grid-template-columns: 1fr; }
  .p-recit { padding: 80px var(--gouttiere); }
  .p-fiche dl div { grid-template-columns: 1fr; gap: 6px; }
  .p-suivant { padding-top: 80px; padding-bottom: 80px; }
  .p-suivant__vignette { display: none; }
  .pied__bas { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .pixel--clignote { animation: none; }
}