/* ==========================================================================
   Agence B-LIGHT — Sécurisation des passages piétons (Groupe Ragni :
   Ragni · Novéa · LEC · Eco-Innov). Charte claire de site.css, avec les
   trois couleurs de signal du LEXA (rouge, ambre, blanc) pour les états.
   ========================================================================== */

:root{
  --pp-red:#D93B2F;
  --pp-red-soft:#FBE9E7;
  --pp-amber:#E08A00;
  --pp-amber-soft:#FFF3DC;
  --pp-navy-grad:linear-gradient(160deg,#2E4259,#1c2a3a);
  --pp-text:#4d5b69;
  --stat-color:var(--green-2);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero{position:relative;overflow:hidden;min-height:680px;display:flex;align-items:flex-end;background:#0d1620}
.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 55%}
.hero__veil,.hero__veil-h{position:absolute;inset:0;pointer-events:none}
.hero__veil{background:linear-gradient(180deg,rgba(8,14,24,.4) 0%,rgba(8,14,24,.08) 26%,rgba(8,14,24,.5) 62%,rgba(8,14,24,.9) 100%)}
.hero__veil-h{background:linear-gradient(100deg,rgba(8,14,24,.72) 0%,rgba(8,14,24,.28) 44%,rgba(8,14,24,0) 72%)}
.hero__content{position:relative;z-index:5;width:100%;padding-top:120px;padding-bottom:64px}
.hero__badge{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:var(--fs-12);letter-spacing:.2em;color:#fff;
  border:1px solid rgba(255,255,255,.4);border-radius:var(--r-pill);padding:8px 18px;margin-bottom:24px;
  background:rgba(8,14,24,.38);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.hero__badge::before,.hero__badge::after{content:"—";opacity:.7;font-weight:400}
.hero__title{
  font-family:var(--display);font-weight:900;font-size:clamp(38px,6.4vw,84px);line-height:1;
  letter-spacing:-.03em;margin-bottom:20px;text-transform:uppercase;color:#fff;text-shadow:0 2px 24px rgba(0,0,0,.4);text-wrap:balance;
}
.hero__title em{font-style:normal;color:var(--lime)}
.hero__lead{max-width:58ch;font-size:var(--fs-18);line-height:1.6;color:rgba(255,255,255,.86);text-shadow:0 1px 12px rgba(0,0,0,.5)}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

.stats__source{margin:0;padding-bottom:18px;margin-top:-14px;font-family:var(--mono);font-size:var(--fs-11);letter-spacing:.06em;color:var(--muted);text-align:center}

/* --------------------------------------------------------------------------
   Quatre fabricants
   -------------------------------------------------------------------------- */
.makers{background:#fff;border-top:1px solid var(--line)}
.makers__inner{padding-top:var(--section-y);padding-bottom:var(--section-y)}
.makers__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.maker{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-panel);display:flex;flex-direction:column}
.maker__head{height:120px;display:flex;align-items:center;justify-content:center;background:var(--pp-navy-grad);padding:20px}
.maker__head img{max-height:52px;max-width:70%;object-fit:contain}
.maker__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;align-items:flex-start;flex:1}
.maker__role{font-family:var(--mono);font-size:var(--fs-11);letter-spacing:.08em;text-transform:uppercase;color:var(--green-ink);background:var(--green-light);padding:4px 12px;border-radius:var(--r-pill);font-weight:600}
.maker__text{font-size:var(--fs-14);line-height:1.5;color:var(--pp-text);flex:1}
.made-fr--light{color:var(--ink);background:var(--bg-2);border-color:var(--line)}

/* --------------------------------------------------------------------------
   La solution en 4 couches — vue d'ensemble à repères + cartes
   -------------------------------------------------------------------------- */
.layers{background:var(--bg);border-top:1px solid var(--line)}
.layers__inner{padding-top:var(--section-y);padding-bottom:var(--section-y)}
.layers__grid{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start}
.scene{position:relative;margin:0;border-radius:var(--r-card);overflow:hidden;background:#0d1620;border:1px solid var(--line);box-shadow:var(--shadow-panel);position:sticky;top:calc(var(--header-h) + var(--subnav-h) + 16px)}
.scene__img{display:block;width:100%;height:auto}
.scene__dot{
  position:absolute;left:var(--x);top:var(--y);width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 1.5px rgba(255,255,255,.7),0 0 10px rgba(0,0,0,.6);opacity:.55;pointer-events:none;
  transition:transform .3s ease,opacity .3s ease;
}
.scene__dot::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:1.5px solid var(--accent);opacity:0}
.scene__dot.is-on{opacity:1;transform:scale(1.5)}
.scene__dot.is-on::after{animation:dotPulse 1.6s ease-out infinite}
@keyframes dotPulse{0%{transform:scale(.6);opacity:.9}100%{transform:scale(2.2);opacity:0}}
/* Lignes de rappel tuile -> produit sur la photo (SVG en overlay, geometrie calculee en JS) */
.links{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible;z-index:3}
.link{opacity:0;transition:opacity .15s ease}
.link.is-on{opacity:1}
.link__path{fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;opacity:.9;stroke-dasharray:var(--len);stroke-dashoffset:var(--len);transition:stroke-dashoffset .35s ease-out}
.link.is-on .link__path{stroke-dashoffset:0}
.link__end{fill:var(--accent);stroke:#fff;stroke-width:1;opacity:0;transition:opacity .2s ease}
.link.is-on .link__end{opacity:1;transition-delay:.35s}
.link__ring{fill:none;stroke:var(--accent);stroke-width:1.5;opacity:0;transform-box:fill-box;transform-origin:center}
.link.is-on .link__ring{animation:ringPulse 1.6s ease-out .35s infinite}
@keyframes ringPulse{0%{transform:scale(.5);opacity:.9}100%{transform:scale(2.4);opacity:0}}
.layer{cursor:default;outline:none}
.layer:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.layers__cards{display:flex;flex-direction:column;gap:14px}
.layer{position:relative;padding:22px 24px 22px;border-radius:var(--r-card-sm);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-card);transition:border-color .25s,box-shadow .25s,transform .25s;scroll-margin-top:calc(var(--header-h) + var(--subnav-h) + 16px)}
.layer.is-active{border-color:var(--green-light);background:#fbfcf4;box-shadow:0 0 0 3px rgba(165,194,61,.22),var(--shadow-hover);transform:translateY(-2px)}
.layer__head{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.layer__num{width:36px;height:36px;border-radius:50%;background:var(--green-light);color:var(--green-ink);font-family:var(--display);font-weight:800;font-size:var(--fs-15);display:flex;align-items:center;justify-content:center;flex:none}
.layer__title{font-family:var(--display);font-weight:800;font-size:var(--fs-22);color:var(--ink);letter-spacing:-.02em;text-transform:uppercase}
.layer__text{font-size:var(--fs-15);line-height:1.6;color:var(--pp-text);margin-bottom:12px}
.layer__prods{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.layer__prods li{display:inline-flex;flex-direction:column;gap:1px;padding:8px 12px;border-radius:var(--r-tag);background:var(--bg-2);border:1px solid var(--line)}
.layer__prods b{font-family:var(--display);font-weight:700;font-size:var(--fs-13);color:var(--ink);letter-spacing:-.01em}
.layer__prods span{font-family:var(--mono);font-size:var(--fs-11);color:var(--muted);letter-spacing:.03em}
.layer__signals{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.sig{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:var(--fs-11);font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:var(--r-pill);border:1px solid transparent}
.sig--red{color:#8f2119;background:var(--pp-red-soft);border-color:#f2c9c4}
.sig--amber{color:#7a4a00;background:var(--pp-amber-soft);border-color:#f3d9a6}
.sig--white{color:var(--ink);background:#fff;border-color:var(--line)}
.layers__note{margin:26px auto 0;max-width:70ch;text-align:center;font-family:var(--mono);font-size:var(--fs-11);letter-spacing:.04em;color:var(--muted);line-height:1.5}

/* --------------------------------------------------------------------------
   Deux scénarios
   -------------------------------------------------------------------------- */
.scen{background:#fff;border-top:1px solid var(--line)}
.scen__inner{padding-top:var(--section-y);padding-bottom:var(--section-y)}
.scen__grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.scenario{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-panel);display:flex;flex-direction:column}
.scenario__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0d1620}
.scenario__media img{width:100%;height:100%;object-fit:cover;display:block}
.scenario__tag{position:absolute;left:14px;top:14px;font-family:var(--mono);font-size:var(--fs-11);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--green-ink);background:var(--green-light);padding:5px 10px;border-radius:var(--r-tag)}
.scenario__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.scenario__title{font-family:var(--display);font-weight:800;font-size:var(--fs-22);color:var(--ink);letter-spacing:-.02em;line-height:1.15}
.scenario__text{font-size:var(--fs-15);line-height:1.6;color:var(--pp-text)}
.scenario__states{display:flex;gap:8px;flex-wrap:wrap}
.scenario__pack{margin-top:auto;padding:14px 16px;border-radius:var(--r-card-sm);background:var(--bg);border:1px solid var(--line)}
.scenario__pack-label{display:block;font-family:var(--mono);font-size:var(--fs-11);letter-spacing:.1em;text-transform:uppercase;color:var(--green-2);font-weight:600;margin-bottom:8px}
.scenario__pack ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.scenario__pack li{font-size:var(--fs-14);color:var(--ink);padding-left:16px;position:relative}
.scenario__pack li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;border-radius:50%;background:var(--green-light)}
.scen__chips{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.scen__chips .chip{font-size:var(--fs-12);padding:8px 14px}
.scen__credit{text-align:center;font-family:var(--mono);font-size:var(--fs-11);letter-spacing:.06em;color:var(--muted);margin:16px 0 0}

/* --------------------------------------------------------------------------
   Fiches produit
   -------------------------------------------------------------------------- */
.prods{background:var(--bg);border-top:1px solid var(--line)}
.prods__inner{padding-top:var(--section-y);padding-bottom:var(--section-y)}
.prods__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.prod{border-radius:var(--r-card-sm);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-card);display:flex;flex-direction:column}
.prod__media{aspect-ratio:16/10;overflow:hidden;background:#0d1620}
.prod__media img{width:100%;height:100%;object-fit:cover;display:block}
.prod__media--contain{background:#fff;border-bottom:1px solid var(--line)}
.prod__media--contain img{object-fit:contain;padding:14px}
.prod__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px}
.prod__head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.prod__brand{font-family:var(--mono);font-size:var(--fs-11);letter-spacing:.1em;text-transform:uppercase;color:var(--green-2);font-weight:600}
.prod__title{font-family:var(--display);font-weight:800;font-size:var(--fs-20);color:var(--ink);letter-spacing:-.01em}
.prod__desc{font-size:var(--fs-14);line-height:1.55;color:var(--pp-text)}
.prod__specs{margin:4px 0 0;display:flex;flex-direction:column}
.prod__specs div{display:grid;grid-template-columns:96px 1fr;gap:10px;padding:8px 0;border-top:1px solid var(--line)}
.prod__specs dt{font-family:var(--mono);font-size:var(--fs-11);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding-top:2px}
.prod__specs dd{margin:0;font-size:var(--fs-13);line-height:1.45;color:var(--ink)}
.prods__light{margin-top:22px;display:flex;align-items:center;gap:14px 22px;flex-wrap:wrap;padding:16px 20px;border-radius:var(--r-card-sm);background:#fff;border:1px solid var(--line)}
.prods__light-label{font-family:var(--mono);font-size:var(--fs-11);letter-spacing:.1em;text-transform:uppercase;color:var(--green-2);font-weight:600}
.prods__light-link{font-family:var(--mono);font-size:var(--fs-13);font-weight:600;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line);transition:color .2s,border-color .2s}
.prods__light-link:hover{color:var(--green-2);border-color:var(--green-2)}

/* --------------------------------------------------------------------------
   Pourquoi B-LIGHT — panneau sombre
   -------------------------------------------------------------------------- */
.why{padding:var(--section-y) 0;background:#fff;border-top:1px solid var(--line)}
.why__panel{position:relative;border-radius:var(--r-panel);overflow:hidden;background:var(--pp-navy-grad);padding:48px 40px;color:#fff}
.why__panel::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(70% 90% at 85% 0%,rgba(165,194,61,.2),transparent 55%)}
.why__inner{position:relative}
.why .eyebrow{color:var(--lime)}
.why__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.why-card{padding:22px 22px 24px;border-radius:var(--r-card-sm);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}
.why-card__num{font-family:var(--mono);font-size:var(--fs-12);color:var(--lime);font-weight:600;margin-bottom:12px}
.why-card__title{font-family:var(--display);font-weight:700;font-size:var(--fs-18);color:#fff;margin-bottom:8px;line-height:1.15}
.why-card__text{font-size:var(--fs-14);color:rgba(255,255,255,.76);line-height:1.55}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width:1100px){
  .makers__grid{grid-template-columns:repeat(2,1fr)}
  .prods__grid{grid-template-columns:1fr}
  .prod__media{aspect-ratio:21/9}
}
@media (max-width:900px){
  .hero{min-height:0}
  .hero__content{padding-top:96px;padding-bottom:56px}
  .layers__grid{grid-template-columns:1fr}
  .scene{position:relative;top:auto}
  .links{display:none}
  .layer{cursor:pointer}
  .scen__grid{grid-template-columns:1fr}
  .why__panel{padding:36px 24px}
  .why__grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .hero__content{padding-top:72px;padding-bottom:48px}
  .makers__grid{grid-template-columns:1fr}
  .prod__specs div{grid-template-columns:1fr;gap:2px}
  .prod__media{aspect-ratio:16/10}
}
@media (prefers-reduced-motion:reduce){
  .link,.link__path,.link__end,.scene__dot{transition:none}
  .link__path{stroke-dasharray:none;stroke-dashoffset:0}
  .link.is-on .link__ring,.scene__dot.is-on::after{animation:none;opacity:.7;transform:none}
}