/* =============================================================
 *  Skill Design Hero — styles autonomes (aucune dépendance au thème).
 *
 *  Personnalisation : redéfinis les variables --skilldesign-* dans le CSS de ton
 *  thème, par exemple :
 *    :root {
 *      --skilldesign-primary: #b8860b;
 *      --skilldesign-shape-rgb: 20, 30, 60;
 *      --skilldesign-font-title: 'Playfair Display', serif;
 *      --skilldesign-shape-angle: -30deg;
 *    }
 * ============================================================= */

:root {
  --skilldesign-loading-bg: #ffb000;                      /* fond du hero pendant le chargement */
  --skilldesign-primary: #2f8b33;                         /* couleur principale : bouton + dot actif */
  --skilldesign-primary-dark: #257429;                    /* survol du bouton principal */
  --skilldesign-text-dark: #14223c;                       /* texte bouton clair */
  --skilldesign-text-light: #fff;                         /* texte sur fond sombre (titres, sous-titres, flèches) */
  --skilldesign-light-rgb: 255, 255, 255;                 /* version RGB du blanc (pour les dots semi-transparents) */
  --skilldesign-btn-shadow: rgba(0, 0, 0, .18);           /* ombre au survol des boutons */
  --skilldesign-arrow-rgb: 11, 38, 69;                    /* fond des flèches (RGB pour l'opacité) */
  --skilldesign-hero-h: 700px;                            /* hauteur desktop */
  --skilldesign-font-title: 'Alice', Georgia, serif;
  --skilldesign-font-body: 'Raleway', system-ui, sans-serif;

  /* -- Shape bleue (panneau incliné) -- */
  --skilldesign-shape-rgb: 22, 41, 76;                    /* couleur en RGB (pour l'opacité) */
  --skilldesign-shape-opacity: .82;                       /* 0 = transparent, 1 = opaque */
  --skilldesign-shape-angle: -47deg;                      /* inclinaison */
  --skilldesign-shape-point-x: 45%;                        /* pointe : distance depuis la droite */
  --skilldesign-shape-point-y: 44%;                        /* pointe : distance depuis le haut */

  /* -- Apparition du texte -- */
  --skilldesign-reveal-dur: 1.8s;
  --skilldesign-reveal-ease: cubic-bezier(.4, 0, .2, 1);
}

.skilldesign-hero {
  position: relative;
  isolation: isolate;   /* confine les z-index internes (sinon ils masquent les
                           sous-menus du header qui passeraient en dessous) */
  width: 100%;
  height: var(--skilldesign-hero-h);
  overflow: hidden;
  background: var(--skilldesign-loading-bg);
}
.skilldesign-hero__viewport { position: absolute; inset: 0; }
.skilldesign-hero__nav {
  position: absolute; left: 0; right: 0; bottom: 26px; z-index: 5;
  display: flex; justify-content: center; gap: 10px;
}

.skilldesign-slide {
  position: absolute; inset: 0;
  opacity: 0; visibility: hidden;
  transition: opacity .9s ease;
}
.skilldesign-slide.is-active { opacity: 1; visibility: visible; z-index: 2; }

/* image de fond + Ken Burns */
.skilldesign-slide__bg {
  position: absolute; inset: 0;
  background-image: var(--bg);
  background-size: cover; background-position: center;
  transform: scale(1.04);
  will-change: transform;
}
.skilldesign-slide.is-active .skilldesign-slide__bg { animation: skilldesign-kenburns 8s ease-out forwards; }

/* shape bleue : grand rectangle (angles à 90°) incliné, semi-transparent */
.skilldesign-slide__shape {
  position: absolute;
  top: var(--skilldesign-shape-point-y);
  right: var(--skilldesign-shape-point-x);
  width: 200%; height: 200%;
  background: rgba(var(--skilldesign-shape-rgb), var(--skilldesign-shape-opacity));
  transform-origin: top right;
  transform: translateX(-120%) rotate(calc(var(--skilldesign-shape-angle) * -1));
  will-change: transform;
}
.skilldesign-slide.is-active .skilldesign-slide__shape {
  animation: skilldesign-shape-in 1s cubic-bezier(.16, .84, .44, 1) .1s forwards;
}
.skilldesign-slide__edge { display: none; }

/* contenu */
.skilldesign-slide__content {
  position: absolute; inset: 0; z-index: 3;
  box-sizing: border-box;
  display: flex; flex-direction: column; justify-content: center;
  width: 100%; max-width: 1500px; margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 64px);
}
.skilldesign-slide__inner { max-width: 560px; }

.skilldesign-slide__title {
  margin: 0 0 18px;
  font-family: var(--skilldesign-font-title); font-weight: 600; color: var(--skilldesign-text-light);
  font-size: clamp(28px, 3.4vw, 44px); line-height: 1.18;
  overflow-wrap: break-word;
}
.skilldesign-slide__subtitle {
  margin: 0 0 30px;
  font-family: var(--skilldesign-font-body); font-weight: 400; color: var(--skilldesign-text-light);
  font-size: clamp(15px, 1.4vw, 20px); line-height: 1.55; opacity: .95;
}
.skilldesign-slide__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* apparition en cascade */
.skilldesign-slide__title,
.skilldesign-slide__subtitle,
.skilldesign-slide__actions { opacity: 0; transform: translateY(30px); }
.skilldesign-slide.is-active .skilldesign-slide__title    { animation: skilldesign-reveal var(--skilldesign-reveal-dur) var(--skilldesign-reveal-ease) .6s  forwards; }
.skilldesign-slide.is-active .skilldesign-slide__subtitle { animation: skilldesign-reveal var(--skilldesign-reveal-dur) var(--skilldesign-reveal-ease) 1.1s forwards; }
.skilldesign-slide.is-active .skilldesign-slide__actions  { animation: skilldesign-reveal var(--skilldesign-reveal-dur) var(--skilldesign-reveal-ease) 1.6s forwards; }

/* boutons (auto-stylés, surchargeables via les variables) */
.skilldesign-btn {
  display: inline-block;
  text-transform: uppercase;
  font-family: var(--skilldesign-font-body); font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none; padding: 10px 30px;
  border: none; cursor: pointer;
  transition: all .3s ease;
}
.skilldesign-btn--primary { background: var(--skilldesign-primary); color: var(--skilldesign-text-light); }
.skilldesign-btn--primary:hover { background: var(--skilldesign-primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px var(--skilldesign-btn-shadow); }
.skilldesign-btn--light { background: var(--skilldesign-text-light); color: var(--skilldesign-text-dark); }
.skilldesign-btn--light:hover { transform: translateY(-2px); box-shadow: 0 8px 20px var(--skilldesign-btn-shadow); }

.skilldesign-dot {
  width: 11px; height: 11px; border: 0; border-radius: 50%; cursor: pointer;
  background: rgba(var(--skilldesign-light-rgb), .45); transition: background .2s, width .2s;
}
.skilldesign-dot.is-active { background: var(--skilldesign-primary); width: 28px; border-radius: 6px; }

.skilldesign-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 46px; height: 46px; border: 0; border-radius: 50%; cursor: pointer;
  background: rgba(var(--skilldesign-arrow-rgb), .35); color: var(--skilldesign-text-light); font-size: 20px; line-height: 1;
  display: grid; place-items: center; transition: background .2s;
}
.skilldesign-arrow:hover { background: rgba(var(--skilldesign-arrow-rgb), .7); }
.skilldesign-arrow--prev { left: 18px; }
.skilldesign-arrow--next { right: 18px; }

/* =============================================================
 *  MOBILE — panneau plein dégradé bas→haut, contenu centré,
 *  boutons empilés pleine largeur.
 * ============================================================= */
@media (max-width: 860px) {
  :root { --skilldesign-hero-h: auto; }

  .skilldesign-hero { min-height: 88vh; min-height: 88svh; }

  /* image mobile dédiée si renseignée, sinon repli sur l'image desktop */
  .skilldesign-slide__bg { background-image: var(--bg-mobile, var(--bg)); }

  .skilldesign-slide__shape {
    top: 0; left: 0; right: auto; width: 100%; height: 100%;
    transform-origin: center;
    background: linear-gradient(to top,
      rgba(var(--skilldesign-shape-rgb), .92) 0%, rgba(var(--skilldesign-shape-rgb), .78) 38%,
      rgba(var(--skilldesign-shape-rgb), .30) 70%, rgba(var(--skilldesign-shape-rgb), .10) 100%);
    transform: translateX(0) rotate(0deg);
  }
  .skilldesign-slide.is-active .skilldesign-slide__shape { animation: skilldesign-fade-in .9s ease forwards; }

  .skilldesign-slide__content { justify-content: center; padding: 0 32px; }
  .skilldesign-slide__inner { max-width: none; }
  .skilldesign-slide__title { max-width: none; }
  .skilldesign-slide__subtitle { font-size: 17px; }
  .skilldesign-slide__actions { flex-direction: column; align-items: stretch; }
  .skilldesign-slide__actions .skilldesign-btn { flex: 0 0 auto; text-align: center; }

  .skilldesign-arrow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .skilldesign-slide__bg, .skilldesign-slide__shape, .skilldesign-slide__edge,
  .skilldesign-slide__title, .skilldesign-slide__subtitle, .skilldesign-slide__actions {
    animation: none !important; opacity: 1 !important; transform: none !important;
  }
}

@keyframes skilldesign-kenburns {
  from { transform: scale(1.04) translate(0, 0); }
  to   { transform: scale(1.16) translate(-2%, -1.5%); }
}
@keyframes skilldesign-shape-in {
  from { transform: translateX(-120%) rotate(calc(var(--skilldesign-shape-angle) * -1)); }
  to   { transform: translateX(0) rotate(calc(var(--skilldesign-shape-angle) * -1)); }
}
@keyframes skilldesign-reveal  { to { opacity: 1; transform: translateY(0); } }
@keyframes skilldesign-fade-in { from { opacity: 0; } to { opacity: 1; } }