@layer components;
@layer components {
  /* ===== en-tête ===== */
  .site-head { position: fixed; inset: 0 0 auto 0; z-index: 50; transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
  .site-head[data-solid] { background: rgba(15, 15, 15, .82); backdrop-filter: blur(14px); border-color: var(--c-line); }
  .site-head__in { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 72px; padding-inline: var(--gutter); }
  .logo { display: inline-flex; align-items: center; }
  .logo .lockup { height: 34px; width: auto; }
  .nav { display: flex; align-items: center; gap: 2rem; font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; }
  .nav a { color: var(--c-fg-2); position: relative; padding: .5rem 0; transition: color .2s; }
  .nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--c-forge); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--e-out); }
  .nav a:hover, .nav a:focus-visible { color: var(--c-fg); }
  .nav a:hover::after { transform: scaleX(1); }
  .burger { display: none; width: 44px; height: 44px; position: relative; }
  .burger span { position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--c-fg); transition: transform .3s var(--e-out), opacity .2s; }
  .burger span:nth-child(1) { top: 15px; } .burger span:nth-child(2) { top: 21px; } .burger span:nth-child(3) { top: 27px; }
  body[data-menu] .burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  body[data-menu] .burger span:nth-child(2) { opacity: 0; }
  body[data-menu] .burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .menu { position: fixed; inset: 0; z-index: 45; background: var(--c-bg); display: grid; align-content: center; padding: var(--gutter); gap: 1.25rem; clip-path: inset(0 0 100% 0); transition: clip-path .55s var(--e-io); }
  body[data-menu] .menu { clip-path: inset(0 0 0 0); }
  .menu a { font-family: var(--f-display); font-size: var(--t-xxl); font-weight: 600; letter-spacing: -.02em; line-height: 1; color: var(--c-fg-2); }
  .menu a:hover { color: var(--c-fg); }
  .menu .menu__foot { margin-top: 2rem; font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .14em; color: var(--c-fg-3); }
  @media (max-width: 860px) { .nav, .site-head .btn { display: none; } .burger { display: block; } }

  /* ===== boutons ===== */
  .btn { display: inline-flex; align-items: center; gap: .6rem; padding: .85rem 1.25rem; border: 1px solid var(--c-fg); border-radius: var(--radius); font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; line-height: 1; color: var(--c-fg); transition: background .2s, color .2s, border-color .2s; }
  .btn:hover { background: var(--c-fg); color: var(--c-bg); }
  .btn--fire { background: var(--c-forge); border-color: var(--c-forge); color: var(--c-bg); }
  .btn--fire:hover { background: var(--c-forge-2); border-color: var(--c-forge-2); color: var(--c-bg); }
  .btn--ghost { border-color: var(--c-line); color: var(--c-fg-2); }
  .btn--ghost:hover { border-color: var(--c-fg); }
  .btn svg { width: 14px; height: 14px; }

  /* ===== écran d'accueil ===== */
  .splash { position: fixed; inset: 0; z-index: 100; background: var(--c-bg); display: grid; place-items: center; overflow: hidden; }
  .splash__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
  .splash__mark { width: min(56vw, 380px); position: relative; z-index: 2; }
  .splash__mark svg { overflow: visible; width: 100%; height: auto; }
  .splash__word { position: absolute; left: 50%; bottom: clamp(2.5rem, 10vh, 6rem); transform: translateX(-50%); font-weight: 500; letter-spacing: .34em; font-size: clamp(.9rem, 2vw, 1.3rem); opacity: 0; z-index: 2; white-space: nowrap; }
  .splash__word em { font-style: normal; color: var(--c-forge); }
  .splash__skip { position: absolute; right: 1.25rem; top: 1.25rem; z-index: 4; font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--c-fg-3); padding: .6rem .8rem; border: 1px solid var(--c-line); border-radius: var(--radius); }
  .splash__flash { position: absolute; inset: 0; background: var(--c-fg); opacity: 0; pointer-events: none; z-index: 3; }

  /* ===== hero ===== */
  .hero { position: relative; min-height: 100svh; display: grid; align-content: end; padding: 9rem var(--gutter) clamp(3rem, 8vh, 6rem); isolation: isolate; overflow: hidden; }
  .hero__media { position: absolute; inset: 0; z-index: -2; }
  .hero__media video, .hero__media img { width: 100%; height: 100%; object-fit: cover; }
  .hero__veil { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(15,15,15,.55) 0%, rgba(15,15,15,.15) 40%, rgba(15,15,15,.85) 100%); }
  .hero__in { width: min(100%, var(--max)); margin-inline: auto; display: grid; gap: 1.5rem; max-width: 100%; }
  .hero h1 { font-size: var(--t-xxl); font-weight: 600; max-width: 14ch; }
  .hero__lead { max-width: 50ch; color: var(--c-fg-2); font-size: var(--t-m); text-wrap: pretty; }
  .hero__cta { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: .5rem; }
  .hero__meta { margin-top: 2.5rem; display: flex; gap: 2.5rem; flex-wrap: wrap; font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--c-fg-3); }
  .hero__meta b { color: var(--c-fg-2); font-weight: 400; }

  /* ===== bande ===== */
  .tape { overflow: hidden; border-block: 1px solid var(--c-line); padding: 1rem 0; background: var(--c-bg); }
  .tape__track { display: flex; width: max-content; }
  .tape__item { font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .18em; text-transform: uppercase; padding-inline: 1.5rem; white-space: nowrap; color: var(--c-fg-2); display: inline-flex; align-items: center; gap: 1.5rem; }
  .tape__item::after { content: ""; width: 6px; height: 6px; background: var(--c-forge); transform: rotate(45deg); }

  /* ===== capacités ===== */
  .cap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: center; padding-block: clamp(2.5rem, 5vw, 4.5rem); border-top: 1px solid var(--c-line); }
  .cap:nth-of-type(even) .cap__media { order: 1; }
  .cap__media { position: relative; border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; background: var(--c-bg-2); aspect-ratio: 16 / 10; }
  .cap__media img { width: 100%; height: 100%; object-fit: cover; }
  .cap__media::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 60% at var(--mx, 50%) var(--my, 50%), rgba(232,89,12,.14), transparent 70%); opacity: 0; transition: opacity .4s; }
  .cap__media:hover::after { opacity: 1; }
  .cap__icon { width: 44px; height: 44px; color: var(--c-forge); margin-bottom: 1.25rem; }
  .cap__icon svg { width: 100%; height: 100%; }
  .cap h3 { font-size: var(--t-xl); font-weight: 600; }
  .cap__text { margin-top: 1rem; color: var(--c-fg-2); font-size: var(--t-m); max-width: 50ch; text-wrap: pretty; }
  .specs { margin-top: 1.75rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--c-line); }
  .specs div { padding: .9rem 0; border-bottom: 1px solid var(--c-line); }
  .specs div:nth-child(odd) { padding-right: 1rem; }
  .specs dt { font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--c-fg-3); }
  .specs dd { margin: .2rem 0 0; font-weight: 500; }
  @media (max-width: 860px) { .cap { grid-template-columns: 1fr; } .cap:nth-of-type(even) .cap__media { order: 0; } }

  /* ===== doctrine ===== */
  .doctrine { background: var(--c-fg); color: var(--c-bg); }
  .doctrine .container { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: clamp(1.5rem, 5vw, 5rem); align-items: start; }
  .doctrine h2 { font-size: var(--t-xl); }
  .doctrine__list { display: grid; gap: 0; border-top: 1px solid rgba(15,15,15,.18); }
  .doctrine__item { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 1.25rem; padding: 1.5rem 0; border-bottom: 1px solid rgba(15,15,15,.18); }
  .doctrine__item .ic { width: 36px; height: 36px; color: var(--c-forge); }
  .doctrine__item h3 { font-size: var(--t-l); font-weight: 600; }
  .doctrine__item p { margin-top: .4rem; color: #3B3733; max-width: 52ch; text-wrap: pretty; }
  @media (max-width: 860px) { .doctrine .container { grid-template-columns: 1fr; } }

  /* ===== méthode ===== */
  .steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; }
  .step { background: var(--c-bg-2); padding: 2rem 1.5rem; display: grid; gap: .75rem; align-content: start; transition: background .3s; }
  .step:hover { background: var(--c-bg-3); }
  .step__n { font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .18em; color: var(--c-forge); }
  .step h3 { font-size: var(--t-l); font-weight: 600; }
  .step p { color: var(--c-fg-2); }
  @media (max-width: 980px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

  /* ===== marques ===== */
  .brand-card { display: grid; grid-template-rows: auto 1fr auto; gap: 1.5rem; padding: 2rem; border: 1px solid var(--c-line); border-radius: var(--radius); background: var(--c-bg-2); transition: border-color .3s, transform .4s var(--e-out); }
  .brand-card:hover { border-color: var(--c-fg-3); transform: translateY(-4px); }
  .brand-card__logo { height: 56px; display: flex; align-items: center; font-family: var(--f-display); font-size: var(--t-l); font-weight: 600; letter-spacing: -.01em; }
  .brand-card__logo img { height: 56px; width: auto; }
  .brand-card p { color: var(--c-fg-2); max-width: 46ch; }
  .brand-card__url { font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .12em; color: var(--c-forge); display: inline-flex; align-items: center; gap: .5rem; }
  .brand-card__url svg { width: 14px; height: 14px; }

  /* ===== contact ===== */
  .contact { background: var(--c-bg-2); border-top: 1px solid var(--c-line); }
  .contact .container { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: end; }
  .contact h2 { font-size: var(--t-xxl); max-width: 12ch; }
  .contact p { color: var(--c-fg-2); margin-top: 1rem; max-width: 46ch; }
  .contact__mail { display: inline-block; margin-top: 2rem; font-family: var(--f-display); font-size: var(--t-xl); font-weight: 600; letter-spacing: -.02em; border-bottom: 2px solid var(--c-forge); padding-bottom: .2rem; transition: color .2s; }
  .contact__mail:hover { color: var(--c-forge); }
  .contact__side { display: grid; gap: 1.25rem; border-left: 1px solid var(--c-line); padding-left: clamp(1.25rem, 3vw, 3rem); }
  .contact__side dt { font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--c-fg-3); }
  .contact__side dd { margin: .25rem 0 0; }
  .contact__side a:hover { color: var(--c-forge); }
  @media (max-width: 860px) { .contact .container { grid-template-columns: 1fr; } .contact__side { border-left: 0; padding-left: 0; border-top: 1px solid var(--c-line); padding-top: 1.5rem; } }

  /* ===== pied ===== */
  .site-foot { border-top: 1px solid var(--c-line); padding: 3rem var(--gutter) calc(2rem + env(safe-area-inset-bottom)); }
  .site-foot__in { width: min(100%, var(--max)); margin-inline: auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; }
  .site-foot h4 { font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--c-fg-3); font-weight: 400; margin-bottom: .75rem; }
  .site-foot ul { display: grid; gap: .4rem; font-size: var(--t-s); color: var(--c-fg-2); }
  .site-foot a:hover { color: var(--c-fg); }
  .site-foot__logo img { height: 110px; width: auto; }
  .site-foot__legal { width: min(100%, var(--max)); margin: 2.5rem auto 0; padding-top: 1.25rem; border-top: 1px solid var(--c-line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .08em; color: var(--c-fg-3); }
  @media (max-width: 860px) { .site-foot__in { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 520px) { .site-foot__in { grid-template-columns: 1fr; } }

  /* ===== barre de progression ===== */
  .progress { position: fixed; top: 0; left: 0; height: 2px; width: 100%; background: var(--c-forge); transform-origin: left; transform: scaleX(var(--p, 0)); z-index: 60; pointer-events: none; }
}