/* Sierra, la page Fonctionnalités : chaque chapitre suit problème, aggravation, solution.
   Elle reprend les jetons et les composants de styles.css. */

.fx-page .nav.is-fixed {
  animation: none;
}

.fx-page .nav-links a[aria-current="page"] {
  color: var(--lime);
}

/* ———————————— Ouverture ———————————— */
.fx-hero {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: end;
  gap: 0 clamp(24px, 3vw, 56px);
  min-height: min(100svh, 980px);
  padding: calc(64px + clamp(40px, 6vw, 110px)) var(--margin) clamp(48px, 6vw, 96px);
}

.fx-hero-copy {
  grid-column: 1 / span 6;
  align-self: center;
  display: grid;
  gap: clamp(24px, 2.4vw, 40px);
  position: relative;
  z-index: 1;
}

.fx-title {
  font-size: clamp(42px, 5.4vw, 112px);
  font-weight: 800;
  font-stretch: 86%;
  line-height: 0.88;
  letter-spacing: -0.035em;
}

.fx-line {
  display: block;
}

.fx-line + .fx-line {
  color: var(--lime);
}

.fx-lede {
  font-size: clamp(18px, 1.5vw, 26px);
  line-height: 1.4;
  max-width: 34ch;
}

.fx-hero-actions {
  display: grid;
  justify-items: start;
  gap: 12px;
}

.fx-hero-price {
  font-size: 15px;
  color: var(--muted);
}

.fx-hero-photo {
  grid-column: 7 / span 6;
  align-self: stretch;
  margin: 0 calc(var(--margin) * -1) 0 0;
  border-radius: 28px 0 0 28px;
  overflow: hidden;
  min-height: 420px;
}

.fx-hero-photo img,
.fx-scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ———————————— Les chapitres ———————————— */
.fx-chapters {
  position: sticky;
  top: 64px;
  z-index: 30;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: 10px var(--margin);
  background: var(--ground);
  scrollbar-width: none;
  transition: transform 260ms var(--ease-out);
}

/* Quand la barre du haut se range, la feuille de route prend sa place. */
.fx-page:has(.nav.is-tucked) .fx-chapters {
  transform: translateY(-64px);
}

.fx-chapters::-webkit-scrollbar {
  display: none;
}

.fx-chapters a {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  background: var(--raised);
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color 240ms ease,
    color 240ms ease;
}

.fx-chapters a.is-here {
  background: var(--lime);
  color: var(--on-lime);
}

/* ———————————— Un chapitre : la scène, puis A, puis S ———————————— */
.fx-chapter {
  padding-top: clamp(56px, 7vw, 120px);
}

.fx-scene {
  position: relative;
  height: min(78svh, 760px);
  min-height: 420px;
  margin: 0 var(--margin);
  border-radius: 28px;
  overflow: hidden;
}

/* Un voile neutre en bas de la photo, pour que la phrase reste lisible. */
.fx-scene::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgb(14 15 16 / 0) 35%, rgb(14 15 16 / 0.88) 100%); /* taste-skill-ignore : voile neutre sur photo */
}

.fx-scene-text {
  position: absolute;
  left: clamp(20px, 3vw, 56px);
  right: clamp(20px, 3vw, 56px);
  bottom: clamp(20px, 3vw, 56px);
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: end;
  gap: clamp(16px, 2vw, 36px);
}

.fx-letter {
  font-family: var(--figure);
  font-size: clamp(56px, 6vw, 120px);
  font-weight: 800;
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: var(--lime);
}

.fx-problem {
  max-width: 22ch;
  font-size: clamp(32px, 4.2vw, 84px);
  font-weight: 800;
  font-stretch: 86%;
  line-height: 1;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.fx-agitate,
.fx-solve {
  display: grid;
  grid-template-columns: clamp(80px, 8vw, 150px) minmax(0, 1fr);
  gap: 0 clamp(16px, 2vw, 36px);
  padding: clamp(48px, 6vw, 110px) var(--margin) 0 calc(var(--margin) + clamp(20px, 3vw, 56px));
}

.fx-agitate p {
  max-width: 62ch;
  font-size: clamp(19px, 1.55vw, 28px);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.fx-solve > .fx-letter {
  grid-row: 1 / span 9;
  align-self: start;
}

/* La solution : un vrai écran de l'app et ce qu'il fait. */
.fx-feature {
  grid-column: 2;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: center;
  gap: clamp(28px, 5vw, 100px);
}

.fx-feature + .fx-feature {
  margin-top: clamp(56px, 7vw, 120px);
}

.fx-feature-flip .fx-phone {
  order: 2;
}

.fx-phone {
  justify-self: center;
  width: min(100%, 340px);
  margin: 0;
  display: grid;
  gap: 12px;
}

.fx-phone img {
  width: 100%;
  border-radius: 36px;
  border: 8px solid var(--ground-deep);
  background: var(--ground-deep);
}

.fx-phone figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

.fx-feature-text {
  display: grid;
  gap: 18px;
  max-width: 560px;
}

.fx-name {
  font-family: var(--figure);
  font-size: clamp(28px, 2.6vw, 48px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--lime);
}

.fx-promise {
  font-size: clamp(22px, 1.9vw, 32px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.fx-points {
  display: grid;
  gap: 12px;
  padding: 0;
  list-style: none;
  font-size: 17px;
  line-height: 1.5;
}

.fx-points li {
  position: relative;
  padding-left: 22px;
}

.fx-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
}

.fx-say {
  justify-self: start;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--raised);
  font-size: 16px;
  font-weight: 600;
}

/* Les fonctions sans écran dédié : des rangs comme la tour de la page d'accueil. */
.fx-minis {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 8px;
  margin-top: clamp(32px, 4vw, 64px);
  padding: 0;
  list-style: none;
}

.fx-mini {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: clamp(20px, 2vw, 32px);
  border-radius: 20px;
  background: var(--raised);
}

/* Seul dans son chapitre : il prend toute la largeur, nom, phrase et commande sur une ligne. */
.fx-mini:only-child {
  grid-template-columns: minmax(0, 3fr) minmax(0, 6fr) minmax(0, 4fr);
  align-items: center;
  gap: clamp(16px, 2.4vw, 40px);
}

.fx-mini-name {
  font-size: clamp(20px, 1.6vw, 26px);
  font-weight: 750;
}

.fx-mini p:not(.fx-say) {
  font-size: 16px;
  line-height: 1.5;
  color: var(--muted);
}

.fx-mini .fx-say {
  background: var(--raised-2);
}

/* ———————————— Ton accord ———————————— */
.fx-accord {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  align-items: center;
  gap: clamp(28px, 5vw, 100px);
  margin-top: var(--gap-section);
  padding: clamp(56px, 7vw, 120px) var(--margin);
  background: var(--lime);
  color: var(--on-lime);
}

.fx-accord-text {
  display: grid;
  gap: 24px;
}

.fx-accord-title {
  font-size: clamp(48px, 6vw, 120px);
  font-weight: 900;
  font-stretch: 86%;
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.fx-accord-lede {
  max-width: 32ch;
  font-size: clamp(20px, 1.7vw, 30px);
  line-height: 1.3;
}

.fx-accord .fx-points li::before {
  background: var(--on-lime);
}

.fx-accord .fx-phone figcaption {
  color: var(--on-lime);
}

/* ———————————— Tablette et téléphone ———————————— */
@media (max-width: 1099px), (max-aspect-ratio: 1/1) {
  .fx-title {
    font-size: min(11vw, 84px);
  }

  .fx-hero {
    grid-template-columns: 1fr;
    gap: 40px;
    min-height: 0;
    padding: 112px 20px 48px;
  }

  .fx-hero-copy,
  .fx-hero-photo {
    grid-column: 1;
  }

  .fx-hero-photo {
    margin: 0 -20px;
    border-radius: 0;
    aspect-ratio: 4 / 3;
    min-height: 0;
  }

  .fx-chapters {
    padding: 8px 20px;
  }

  .fx-chapters a {
    flex: 0 0 auto;
    padding: 10px 14px;
    font-size: 15px;
  }

  .fx-scene {
    margin: 0 20px;
    height: auto;
    aspect-ratio: 4 / 5;
    min-height: 0;
    border-radius: 22px;
  }

  .fx-scene-text {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .fx-agitate,
  .fx-solve {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 40px 20px 0;
  }

  .fx-solve > .fx-letter {
    grid-row: auto;
  }

  .fx-agitate p {
    max-width: none;
  }

  .fx-feature,
  .fx-minis {
    grid-column: 1;
  }

  .fx-feature {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .fx-feature-flip .fx-phone {
    order: 0;
  }

  .fx-phone {
    width: min(100%, 300px);
  }

  .fx-mini:only-child {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .fx-accord {
    grid-template-columns: 1fr;
    padding: 56px 20px;
  }
}