/* Fiches projets (études de cas) — /realisations/<slug>
   Fil conducteur noir & violet ; la couleur du client (--tint) entre progressivement avec le scroll (--t de 0 à 1, posé par fiche.js). */
.page--fiche { --t: 0; --accent: color-mix(in srgb, var(--tint) calc(var(--t) * 100%), var(--violet-2)); }

/* 1. Aperçu */
.fh { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: flex-end; padding: calc(var(--nav-h) + 4vh) var(--gutter) 14vh; overflow: hidden; isolation: isolate; }
.fh__media { position: absolute; inset: 0; z-index: -2; }
.fh__img { position: absolute; inset: auto 0 0; width: 100%; height: 112%; object-fit: cover; object-position: center bottom; /* masque la barre de navigation de la capture */ opacity: 0; animation: fh-cycle 12s infinite; animation-delay: calc(var(--i) * 4s); }
.fh__img:first-child { opacity: 1; }
@keyframes fh-cycle {
  0% { opacity: 0; transform: scale(1.08); }
  6%, 33% { opacity: 1; }
  40%, 100% { opacity: 0; transform: scale(1); }
}
.fh__veil { position: absolute; inset: 0; z-index: -1; background:
  linear-gradient(90deg, rgba(9,9,15,.94) 0%, rgba(9,9,15,.7) 38%, rgba(9,9,15,.15) 75%),
  linear-gradient(0deg, var(--ink) 0%, rgba(9,9,15,0) 45%),
  linear-gradient(180deg, var(--ink) 0%, rgba(9,9,15,.6) 14%, rgba(9,9,15,0) 32%),
  radial-gradient(80% 60% at 0% 100%, rgba(124,58,237,.35), transparent 70%); }
.fh__inner { max-width: var(--maxw); width: 100%; margin: 0 auto; }
.fh__meta { display: flex; align-items: center; gap: 1rem; font-size: .72rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin-bottom: 1.2rem; }
.fh__name { font-family: var(--serif); font-weight: 400; font-size: clamp(4.4rem, 15vw, 14rem); line-height: .86; letter-spacing: -.04em; }
.fh__kind { margin-top: 1.4rem; font-size: clamp(.7rem, 1vw, .82rem); letter-spacing: .3em; text-transform: uppercase; color: color-mix(in srgb, var(--tint) 70%, white); }
.fh__kind span { color: var(--faint); margin: 0 .3rem; }
.fh__cue { position: absolute; left: var(--gutter); bottom: 2rem; display: flex; align-items: center; gap: .8rem; font-size: .62rem; letter-spacing: .32em; text-transform: uppercase; color: var(--faint); }
.fh__cue span { width: 1px; height: 2.4rem; background: linear-gradient(var(--accent), transparent); }

/* 2. Mission */
.fmis { max-width: var(--maxw); margin: 0 auto; padding: 18vh var(--gutter) 14vh; }
.fmis__k { font-size: .66rem; letter-spacing: .34em; text-transform: uppercase; color: var(--solar); margin-bottom: 1.6rem; }
.fmis__text { font-family: var(--serif); font-size: clamp(1.9rem, 4.2vw, 3.9rem); line-height: 1.14; letter-spacing: -.02em; max-width: 22ch; text-wrap: balance; }
.fmis__text em { color: var(--accent); }

/* 3. Le projet en N moments */
.fs { max-width: var(--maxw); margin: 0 auto; padding: 4vh var(--gutter) 10vh; }
.fs__head, .fp__head { font-family: var(--serif); font-weight: 400; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.05; letter-spacing: -.02em; }
.fs__head em, .fp__head em, .fcta__title em { color: var(--accent); }
.fs__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2rem, 5vw, 5rem); margin-top: 6vh; }
.fs__steps { list-style: none; margin: 0; padding: 0; }
.fs__step { min-height: 78vh; display: flex; flex-direction: column; justify-content: center; opacity: .28; transition: opacity .8s var(--ease); }
.fs__step.is-on { opacity: 1; }
.fs__n { font-family: var(--serif); font-size: clamp(2.4rem, 4vw, 3.4rem); line-height: 1; color: var(--accent); }
.fs__n span { font-family: var(--sans); font-size: .8rem; letter-spacing: .2em; color: var(--faint); }
.fs__title { margin-top: 1.2rem; font-family: var(--serif); font-weight: 400; font-size: clamp(1.6rem, 2.6vw, 2.4rem); line-height: 1.1; max-width: 16ch; }
.fs__text { margin-top: 1rem; max-width: 30rem; color: var(--muted); font-weight: 300; font-size: clamp(1rem, 1.3vw, 1.15rem); line-height: 1.65; }
.fs__inline { display: none; }
.fs__stage { position: sticky; top: calc(50vh - min(21vw, 300px)); height: min(42vw, 600px); align-self: start; }
.fs__frame { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; opacity: 0; transform: translateY(30px) scale(.97); transition: opacity .9s var(--ease), transform 1.1s var(--ease); }
.fs__frame.is-on { opacity: 1; transform: none; }
.fs__screen { position: relative; width: 100%; aspect-ratio: 16 / 10.6; border-radius: 16px; overflow: hidden; border: 1px solid var(--line-2); background: #0b0b12;
  box-shadow: 0 50px 120px -50px color-mix(in srgb, var(--tint) calc(var(--t) * 100%), var(--violet)), 0 0 0 1px rgba(255,255,255,.02); }
.fs__bar { position: absolute; z-index: 1; inset: 0 0 auto; display: flex; align-items: center; gap: .35rem; height: 1.9rem; padding: 0 .8rem; background: rgba(10,10,18,.86); font-size: .66rem; letter-spacing: .06em; color: var(--faint); }
.fs__bar i { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.18); }
.fs__bar span { margin-left: .6rem; }
.fs__screen img { position: absolute; inset: 1.9rem 0 0; width: 100%; height: calc(100% - 1.9rem); object-fit: cover; object-position: top center; }
.fs__phones { display: flex; justify-content: center; align-items: center; gap: clamp(1rem, 3vw, 2.4rem); height: 100%; }
.fs__phone { height: 100%; aspect-ratio: 780 / 1688; border-radius: 30px; padding: 7px; background: #111119; border: 1px solid var(--line-2); box-shadow: 0 40px 100px -40px var(--tint); }
.fs__phone:nth-child(2) { transform: translateY(8%); }
.fs__phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 24px; }

/* 4. Preuves */
.fp { max-width: var(--maxw); margin: 0 auto; padding: 12vh var(--gutter) 6vh; }
.fp__grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(1.4rem, 4vw, 4rem); margin-top: 5vh; align-items: start; }
.fp__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 2rem; }
.fp__list li { padding: 1rem 0; border-top: 1px solid var(--line); display: flex; gap: .8rem; color: var(--paper); font-size: .98rem; }
.fp__list li::before { content: "✦"; color: var(--accent); font-size: .7rem; line-height: 1.9; }
.fp__live { display: grid; gap: 1rem; padding: clamp(1.6rem, 3vw, 2.4rem); border-radius: 22px; border: 1px solid color-mix(in srgb, var(--tint) 45%, transparent);
  background: radial-gradient(120% 100% at 0% 0%, color-mix(in srgb, var(--tint) 22%, transparent), transparent 65%), rgba(14,14,24,.8); transition: transform .6s var(--ease), box-shadow .6s var(--ease); }
.fp__live:hover { transform: translateY(-6px); box-shadow: 0 40px 100px -50px var(--tint); }
.fp__live b { font-family: var(--serif); font-weight: 400; font-size: clamp(1.5rem, 2.4vw, 2.2rem); line-height: 1.1; word-break: break-word; }
.fp__live-go { font-size: .95rem; font-weight: 500; }
.fp__quote { margin: 8vh 0 0; padding: clamp(1.6rem, 3vw, 2.6rem) 0 0; border-top: 1px solid var(--line); max-width: 54rem; }
.fp__quote blockquote { margin: 0; font-family: var(--serif); font-size: clamp(1.5rem, 2.8vw, 2.4rem); line-height: 1.25; }
.fp__quote figcaption { margin-top: 1.2rem; font-size: .72rem; letter-spacing: .26em; text-transform: uppercase; color: var(--muted); }
.fp__results { list-style: none; margin: 6vh 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 3rem; }
.fp__results b { display: block; font-family: var(--serif); font-weight: 400; font-size: clamp(2.4rem, 4vw, 3.6rem); color: var(--accent); }
.fp__results span { color: var(--muted); font-size: .9rem; }

/* 5. Invitation */
.fcta { max-width: var(--maxw); margin: 0 auto; padding: 16vh var(--gutter) 10vh; text-align: center; }
.fcta__title { font-family: var(--serif); font-weight: 400; font-size: clamp(2.3rem, 5.4vw, 5rem); line-height: 1.02; letter-spacing: -.03em; max-width: 18ch; margin: 0 auto; text-wrap: balance; }
.fcta__text { margin: 1.6rem auto 0; max-width: 34rem; color: var(--muted); font-weight: 300; font-size: clamp(1rem, 1.4vw, 1.15rem); line-height: 1.6; }
.fcta__btns { margin-top: 2.4rem; display: flex; flex-wrap: wrap; justify-content: center; gap: .8rem; }

/* 6. Navigation */
.fnav { max-width: var(--maxw); margin: 0 auto; padding: 4vh var(--gutter) 0; display: flex; justify-content: space-between; align-items: center; gap: 1rem; border-top: 1px solid var(--line); }
.fnav__back { font-size: .95rem; color: var(--muted); transition: color .3s; padding: 1.4rem 0; }
.fnav__back:hover { color: var(--paper); }
.fnav__next { display: grid; grid-template-columns: auto auto; align-items: center; gap: 0 1rem; text-align: right; padding: 1.4rem 0; }
.fnav__next small { grid-column: 1; font-size: .62rem; letter-spacing: .3em; text-transform: uppercase; color: var(--faint); }
.fnav__next b { grid-column: 1; font-family: var(--serif); font-weight: 400; font-size: clamp(1.4rem, 2.4vw, 2rem); }
.fnav__next span { grid-column: 2; grid-row: 1 / 3; font-size: 1.4rem; color: var(--accent); transition: transform .5s var(--ease); }
.fnav__next:hover span { transform: translateX(6px); }
.page--fiche .footer--svc { margin-top: 10vh; }

/* Mobile / tablette : chaque moment porte son propre visuel, pas de scène collante */
@media (max-width: 900px) {
  .fh { padding-bottom: 12vh; }
  .fh__veil { background: linear-gradient(0deg, var(--ink) 8%, rgba(9,9,15,.55) 55%, rgba(9,9,15,.25) 100%), radial-gradient(90% 50% at 0% 100%, rgba(124,58,237,.35), transparent 70%); }
  .fs__grid { grid-template-columns: minmax(0, 1fr); margin-top: 3vh; }
  .fs__stage { display: none; }
  .fs__step { min-height: 0; padding: 7vh 0; opacity: 1; }
  .fs__inline { display: block; margin-top: 2rem; }
  .fs__inline .fs__phones { height: auto; gap: 4%; padding-bottom: 8%; }
  .fs__inline .fs__phone { height: auto; width: 44%; border-radius: 24px; padding: 5px; }
  .fs__inline .fs__phone img { height: auto; border-radius: 20px; }
  .fp__grid { grid-template-columns: 1fr; }
  .fp__list { grid-template-columns: 1fr; }
  .fnav { flex-direction: column; align-items: flex-start; }
  .fnav__next { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  .fh__img { animation: none; }
  .fh__img:not(:last-child) { opacity: 0; }
  .fh__img:last-child { opacity: 1; }
  .fs__frame, .fs__step { transition: none; }
}