*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:      #0a0f1e;
  --bg-2:    #0d1424;
  --bg-card: #111827;
  --border:  rgba(255,255,255,0.08);
  --border-h:rgba(48,195,158,0.4);
  --accent:  #30c39e;
  --accent2: #1a8fc1;
  --grd:     linear-gradient(135deg, #1a8fc1 0%, #30c39e 100%);
  --text:    #f1f5f9;
  --muted:   #94a3b8;
  --dim:     #64748b;
}

html { height: 100%; }





html:has(.ch2) { scrollbar-width: none; }





html:has(.ch2)::-webkit-scrollbar { display: none; width: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  min-height: 100%;
  display: flex; flex-direction: column;
  margin: 0;
}

 
.ob-page { position: relative; z-index: 1; flex: 1; width: 100%; padding-top: 56px; }


body:has(.ob-sticky) .ob-page { padding-bottom: 96px; }
@supports not selector(:has(*)) { .ob-page { padding-bottom: 40px; } }



nav.ob-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; height: 56px;
  background: rgba(10,15,30,0.9);
  -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
nav.ob-nav.scrolled { background: rgba(10,15,30,0.96); box-shadow: 0 8px 30px rgba(0,0,0,0.35); }
.nav-left { display: flex; align-items: center; min-width: 120px; }
.nav-logo {
  display: inline-flex; align-items: center;
  background: none; border: none; padding: 4px; cursor: pointer;
  border-radius: 10px; transition: opacity .2s ease, transform .2s ease;
  margin-left: -22px;
}
.nav-logo:hover { opacity: 0.85; transform: translateY(-1px); }
.nav-logo img { width: 46px; height: 46px; display: block; }
.nav-right { display: flex; align-items: center; gap: 10px; min-width: 120px; justify-content: flex-end; }

.btn-ghost {
  padding: 8px 18px; border-radius: 9px;
  border: 1px solid var(--border); background: transparent;
  color: var(--muted); font-size: 0.85em; font-weight: 600;
  cursor: pointer; text-decoration: none; transition: all 0.2s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }
.btn-primary {
  padding: 9px 22px; border-radius: 9px;
  background: var(--grd); color: white;
  font-size: 0.85em; font-weight: 700; cursor: pointer;
  border: none; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 16px rgba(48,195,158,0.30); transition: all 0.2s;
}
.btn-primary:hover { box-shadow: 0 6px 22px rgba(48,195,158,0.45); transform: translateY(-1px); }

 
.ob-nav-links {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  display: flex; align-items: center; gap: 4px; padding: 4px; border-radius: 999px;
}
.ob-nav-links::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  border: 1px solid rgba(255,255,255,0.10);
  background: linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.018));
  -webkit-backdrop-filter: blur(14px) saturate(1.5); backdrop-filter: blur(14px) saturate(1.5);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.10), inset 0 -1px 0 rgba(255,255,255,0.03),
              0 10px 30px -14px rgba(0,0,0,0.6);
}
.ob-nav-links a {
  position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px;
  color: var(--muted); text-decoration: none; font-size: 0.98em; font-weight: 600;
  white-space: nowrap; transition: color .2s ease;
}
.ob-nav-links a:hover { color: var(--text); }
.ob-nav-links a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ob-nav-links a.active {
  color: #5fe0c0;
  background: rgba(48,195,158,0.14);
  box-shadow: inset 0 0 0 1px rgba(48,195,158,0.45);
}

 
.ob-crumb {
  max-width: 1060px; margin: 26px auto 0; padding: 0 24px;
  font-size: 0.85em; color: var(--dim);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.ob-crumb a { color: var(--dim); text-decoration: none; transition: color .2s; }
.ob-crumb a:hover { color: var(--accent); }
.ob-crumb i { font-size: 0.75em; opacity: 0.7; }
.ob-crumb .crumb-here { color: var(--muted); }

 
.ob-wrap { max-width: 1060px; margin: 0 auto; padding: 0 24px; }

.ob-hero { text-align: center; padding: 44px 24px 26px; max-width: 900px; margin: 0 auto; }


.ob-hero .ob-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85em; font-weight: 600;
  color: #5fe0c0; margin-bottom: 18px;
  padding: 5px 13px; border-radius: 999px;
  background: rgba(48,195,158,0.10); border: 1px solid rgba(48,195,158,0.30);
}
.ob-hero .ob-kicker i { font-size: 0.9em; opacity: 0.9; }
.ob-hero h1 { font-size: clamp(1.8em, 4.2vw, 2.7em); font-weight: 800; letter-spacing: -0.5px; line-height: 1.15; }
.ob-hero h1 .grd { background: var(--grd); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ob-hero .ob-lede { color: var(--muted); font-size: 1.08em; line-height: 1.65; margin: 18px auto 0; max-width: 660px; }
.ob-cta-row { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.ob-cta-hint { color: var(--dim); font-size: 0.8em; margin-top: 12px; }






.ob-hero2 {
  max-width: 1320px; margin: 0 auto; padding: 56px 24px 44px;
  display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 56px; align-items: center;
}
.ob-hero2 .ob-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85em; font-weight: 600;
  color: #5fe0c0; margin-bottom: 18px;
  padding: 5px 13px; border-radius: 999px;
  background: rgba(48,195,158,0.10); border: 1px solid rgba(48,195,158,0.30);
}
.ob-hero2 h1 {
  font-size: clamp(1.8em, 3.4vw, 2.55em); font-weight: 800;
  letter-spacing: -0.5px; line-height: 1.16; text-wrap: balance;
}
.ob-hero2 h1 .grd { background: var(--grd); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ob-hero2 .ob-lede { color: var(--muted); font-size: 1.12em; line-height: 1.7; margin-top: 18px; max-width: 52ch; }
.ob-hero2 .ob-cta-row { justify-content: flex-start; margin-top: 26px; }
.ob-hero2 .ob-cta-hint { margin-top: 10px; }

 
.ob-win {
  margin: 0; border-radius: 14px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.10);
  background: var(--bg-2);
  box-shadow: 0 40px 90px -35px rgba(0,0,0,0.85), 0 24px 70px -30px rgba(26,143,193,0.30);
}
.ob-win-bar {
  display: flex; align-items: center; gap: 7px;
  height: 34px; padding: 0 13px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.ob-win-bar span { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,0.16); }
.ob-win-bar em {
  font-style: normal; color: var(--dim); font-size: 0.78em; font-weight: 600;
  margin-left: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ob-win img { display: block; width: 100%; height: auto; }



.ob-win--phone {
  max-width: 290px; margin: 0 auto; border-radius: 34px;
  border: 6px solid #1d2942;
  box-shadow: 0 40px 90px -35px rgba(0,0,0,0.85), 0 24px 70px -30px rgba(26,143,193,0.30);
}

@media (max-width: 980px) {
  .ob-hero2 { grid-template-columns: 1fr; gap: 30px; padding: 28px 18px 20px; }
  .ob-hero2 .ob-lede { max-width: none; }
}

 
.ob-section { max-width: 1060px; margin: 0 auto; padding: 78px 24px; }
.ob-section h2 { font-size: 1.7em; font-weight: 800; letter-spacing: -0.3px; margin-bottom: 20px; }
.ob-section .ob-sub { color: var(--muted); line-height: 1.6; max-width: 720px; margin-bottom: 22px; }
.ob-section p { color: var(--muted); line-height: 1.75; font-size: 1.07em; }
.ob-section p + p { margin-top: 12px; }
.ob-section p strong, .ob-section li strong { color: var(--text); font-weight: 700; }
.ob-prose { max-width: 760px; }

 
.ob-shot { margin: 64px auto 0; max-width: 920px; }
.ob-shot img {
  max-width: 100%; height: auto; display: block; margin: 0 auto;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 60px -30px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,255,255,0.02);
  background: var(--bg-2);
}




.ob-shot--portrait img { max-height: 560px; width: auto; }
.ob-shot figcaption { text-align: center; color: var(--dim); font-size: 0.82em; margin-top: 10px; }

 
.ob-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(285px, 1fr)); gap: 22px; margin-top: 30px; }
.ob-feature {
  background: rgba(17,24,39,0.72); border: 1px solid var(--border); border-radius: 16px;
  padding: 26px 24px 24px; transition: border-color .2s, transform .2s;
}
.ob-feature:hover { border-color: var(--border-h); transform: translateY(-2px); }
.ob-feature i { color: var(--accent); font-size: 1.1em; margin-bottom: 14px; display: block; }
.ob-feature h3 { font-size: 1.08em; font-weight: 700; margin-bottom: 10px; }
.ob-feature p { color: var(--muted); font-size: 0.97em; line-height: 1.68; }

 
.ob-steps { list-style: none; counter-reset: obstep; max-width: 720px; margin-top: 22px; }
.ob-steps li {
  counter-increment: obstep; position: relative;
  padding: 0 0 40px 56px; color: var(--muted); line-height: 1.75; font-size: 1.05em;
}
.ob-steps li:last-child { padding-bottom: 0; }
.ob-steps li::before {
  content: counter(obstep);
  position: absolute; left: 0; top: -2px;
  width: 36px; height: 36px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(48,195,158,0.14); border: 1px solid rgba(48,195,158,0.45);
  color: #5fe0c0; font-weight: 800; font-size: 0.95em;
}
.ob-steps li:not(:last-child)::after {
  content: ""; position: absolute; left: 17px; top: 38px; bottom: 6px;
  width: 2px; background: linear-gradient(180deg, rgba(48,195,158,0.35), rgba(48,195,158,0.05));
}
.ob-steps li b { color: var(--text); font-weight: 700; }

 
.ob-chain-note {
  margin-top: 30px; padding: 20px 22px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(26,143,193,0.10), rgba(48,195,158,0.10));
  border: 1px solid rgba(48,195,158,0.30);
}
.ob-chain-note h3 { font-size: 1em; font-weight: 800; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.ob-chain-note h3 i { color: var(--accent); }
.ob-chain-note p { color: var(--muted); font-size: 0.92em; line-height: 1.6; }
.ob-chain-note .chain-line {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-top: 12px; font-size: 0.85em; font-weight: 700;
}
.ob-chain-note .chain-line span {
  padding: 5px 12px; border-radius: 999px; background: rgba(17,24,39,0.8);
  border: 1px solid var(--border); color: var(--text); white-space: nowrap;
}
.ob-chain-note .chain-line span.on { border-color: rgba(48,195,158,0.55); color: #5fe0c0; }
.ob-chain-note .chain-line i { color: var(--accent); font-size: 0.8em; }

 
.ob-faq { max-width: 760px; margin-top: 26px; }
.ob-faq details {
  border: 1px solid var(--border); border-radius: 12px;
  background: rgba(17,24,39,0.72); margin-bottom: 14px;
  transition: border-color .2s;
}
.ob-faq details[open], .ob-faq details:hover { border-color: var(--border-h); }
.ob-faq summary {
  cursor: pointer; list-style: none; padding: 19px 22px;
  font-weight: 700; font-size: 1.02em;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.ob-faq summary::-webkit-details-marker { display: none; }
.ob-faq summary::after { content: "+"; color: var(--accent); font-weight: 800; font-size: 1.1em; flex: 0 0 auto; }
.ob-faq details[open] summary::after { content: "–"; }
.ob-faq .ob-faq-a { padding: 0 22px 18px; color: var(--muted); font-size: 0.99em; line-height: 1.7; }

 
.ob-related { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 28px; }
.ob-related a {
  display: block; padding: 22px 22px 20px; border-radius: 16px; text-decoration: none;
  background: rgba(17,24,39,0.72); border: 1px solid var(--border);
  transition: border-color .2s, transform .2s;
}
.ob-related a:hover { border-color: var(--border-h); transform: translateY(-2px); }
.ob-related i { color: var(--accent); margin-bottom: 8px; display: block; }
.ob-related h3 { color: var(--text); font-size: 1.02em; font-weight: 700; margin-bottom: 6px; }
.ob-related p { color: var(--muted); font-size: 0.92em; line-height: 1.55; }
.ob-related .rel-go { color: #5fe0c0; font-size: 0.82em; font-weight: 700; margin-top: 8px; display: inline-block; }

 
.ob-final {
  max-width: 860px; margin: 20px auto 60px; padding: 36px 28px; text-align: center;
  border-radius: 18px; border: 1px solid rgba(48,195,158,0.30);
  background: linear-gradient(135deg, rgba(26,143,193,0.12), rgba(48,195,158,0.12));
}
.ob-final h2 { font-size: 1.5em; font-weight: 800; letter-spacing: -0.3px; }
.ob-final p { color: var(--muted); margin: 10px auto 0; max-width: 560px; line-height: 1.6; }
.ob-final .ob-cta-row { margin-top: 22px; }

 
.hub-title-zone { max-width: 1120px; margin: 0 auto; padding: 54px 24px 10px; text-align: center; }
.hub-h2 { font-size: 1.5em; font-weight: 800; letter-spacing: -0.3px; }
.hub-sub { color: var(--muted); font-size: 0.96em; max-width: 620px; margin: 8px auto 0; line-height: 1.6; }










.ch2 {
  position: relative;                     
  max-width: 1560px; margin: 0 auto; padding: 0 24px 8vh;
  display: grid; grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
  gap: 54px; align-items: start;
}




.ch2-hero {
  position: absolute; top: clamp(30px, 10vh - 30px, 120px); left: 24px; right: 24px;
  text-align: center; z-index: 2; pointer-events: none;
}
.ch2-hero .ob-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85em; font-weight: 600;
  color: #5fe0c0; margin-bottom: 16px;
  padding: 5px 13px; border-radius: 999px;
  background: rgba(48,195,158,0.10); border: 1px solid rgba(48,195,158,0.30);
}
.ch2-hero h1, .ch2-hero h2 { font-size: clamp(1.6em, 2.9vw, 2.4em); font-weight: 800; letter-spacing: -0.5px; line-height: 1.15; }
.ch2-hero h1 .grd, .ch2-hero h2 .grd { background: var(--grd); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ch2-hero-sub { color: var(--muted); font-size: 1.04em; line-height: 1.6; margin: 12px auto 0; max-width: 640px; }


@media (min-width: 1081px) and (max-height: 760px) {
  .ch2-hero { top: 18px; }
  .ch2-hero h1, .ch2-hero h2 { font-size: 1.4em; }
}









@media (min-width: 1081px) {
  html { scroll-snap-type: y proximity; scroll-padding-top: 12vh; }
  .ch2-step { scroll-snap-align: center; }
}

.ch2-txt { padding-top: 6vh; }         
.ch2-step {
  position: relative; min-height: calc(100vh - 112px); padding-left: 66px;
  display: flex; flex-direction: column; justify-content: center;
  opacity: 0.28; transition: opacity .45s ease;
}
.ch2-step.on { opacity: 1; }
.ch2-num {
  position: absolute; left: 0; top: calc(50% - 78px);
  width: 40px; height: 40px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(48,195,158,0.10); border: 1px solid rgba(48,195,158,0.30);
  color: #5fe0c0; font-weight: 800; font-size: 1em;
  transition: background .3s, border-color .3s, box-shadow .3s;
}
.ch2-step.on .ch2-num {
  background: rgba(48,195,158,0.18); border-color: rgba(48,195,158,0.6);
  box-shadow: 0 0 20px rgba(48,195,158,0.4);
}
.ch2-step h3 { font-size: 1.72em; font-weight: 800; letter-spacing: -0.5px; line-height: 1.15; }
.ch2-step p { color: var(--muted); font-size: 1.02em; line-height: 1.75; margin-top: 18px; max-width: 42ch; }
.ch2-link {
  display: inline-flex; align-items: center; gap: 9px; margin-top: 28px; align-self: flex-start;
  padding: 10px 20px; border-radius: 999px; text-decoration: none;
  background: rgba(48,195,158,0.14); border: 1px solid rgba(48,195,158,0.45);
  color: #5fe0c0; font-size: 0.95em; font-weight: 700;
  transition: background .2s, border-color .2s, transform .2s;
}
.ch2-link:hover { background: rgba(48,195,158,0.22); border-color: rgba(48,195,158,0.7); transform: translateY(-1px); }
.ch2-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.ch2-link i { transition: transform .25s; font-size: .85em; }
.ch2-link:hover i { transform: translateX(4px); }
.ch2-mimg { display: none; }




.ch2-visu {
  position: sticky; top: calc(56px + 6vh); height: calc(100vh - 112px);
  display: flex; align-items: center;
}


.ch2-cadre {
  position: relative; width: 100%;
  max-width: min(100%, calc(133vh - 448px));
  margin: 0 auto;
}




.ch2-cadre::before {
  content: ""; position: absolute; inset: -50px 0; z-index: -1;
  background: radial-gradient(60% 55% at 50% 45%,
              rgba(26,143,193,0.20) 0%, rgba(30,160,180,0.13) 30%,
              rgba(48,195,158,0.07) 55%, rgba(48,195,158,0.02) 72%, transparent 85%);
}
.ch2-shots { position: relative; aspect-ratio: 3420 / 2224; background: var(--bg-2); }
.ch2-shots img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: top center;
  opacity: 0; transition: opacity .45s ease;
}
.ch2-shots img.on { opacity: 1; }





.ch2--inv { grid-template-columns: minmax(0, 1.38fr) minmax(0, 0.62fr); padding-top: 215px; }
.ch2--inv .ch2-hero { top: 26px; }
.ch2--inv .ch2-shots { aspect-ratio: 2200 / 1384; }
.ch2-num i { font-size: 0.85em; }











@media (prefers-reduced-motion: reduce) {
  .ch2-step, .ch2-shots img { transition: none; }
}

 
.bento {
  max-width: 1560px; margin: 0 auto; padding: 18px 24px 46px;
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px;
}
.bt {
  position: relative; display: flex; flex-direction: column; text-decoration: none; overflow: hidden;
  background: rgba(17,24,39,0.72); border: 1px solid var(--border); border-radius: 18px;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.bt:hover {
  border-color: var(--border-h); transform: translateY(-4px);
  box-shadow: 0 26px 55px -26px rgba(48,195,158,0.45);
}
.s2 { grid-column: span 2; } .s3 { grid-column: span 3; }
.s4 { grid-column: span 4; } .s6 { grid-column: span 6; }
.bt-img { overflow: hidden; border-bottom: 1px solid var(--border); background: var(--bg-2); height: 308px; }
.s3 .bt-img { height: 308px; }
.bt-img img {
  width: 100%; height: 100%; object-fit: cover; object-position: top center;
  display: block; transition: transform .5s cubic-bezier(.2,.7,.3,1);
}
.bt:hover .bt-img img { transform: scale(1.04); }
.bt-txt { padding: 16px 20px 18px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.bt h3 { color: var(--text); font-size: 1.04em; font-weight: 800; letter-spacing: -0.2px; display: flex; align-items: center; gap: 10px; }
.bt h3 i { color: #5fe0c0; font-size: 0.9em; }
.bt p { color: var(--muted); font-size: 0.88em; line-height: 1.55; }
.bt-go { color: #5fe0c0; font-size: 0.84em; font-weight: 700; margin-top: auto; padding-top: 8px; display: inline-flex; align-items: center; gap: 6px; }
.bt-go i { transition: transform .2s; font-size: 0.85em; }
.bt:hover .bt-go i { transform: translateX(4px); }
.bt-tag {
  position: absolute; top: 12px; right: 12px; z-index: 1;
  font-size: 0.66em; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: #cbd5e1; background: rgba(10,15,30,0.72);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.14); border-radius: 999px; padding: 4px 10px;
}




.bt-band { flex-direction: row; align-items: stretch; min-height: 380px; }
.bt-band .bt-txt { flex: 1; padding: 46px 20px 46px 46px; justify-content: center; gap: 14px; }
.bt-band .bt-txt h3 { font-size: 1.45em; }
.bt-band .bt-txt p { font-size: 1em; max-width: 54ch; line-height: 1.65; }
.bt-band .ch2-link { margin-top: 12px; }
.band-phones { position: relative; flex: 0 0 540px; }
.band-phones span {
  position: absolute; display: block; overflow: hidden;
  border-radius: 30px; border: 5px solid #1d2942; background: #1d2942;
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.8);
}
.band-phones img { width: 100%; height: auto; display: block; }   
.band-phones .ph-a { width: 200px; left: 170px; bottom: -170px; z-index: 2; }
.band-phones .ph-b { width: 175px; left: 16px;  bottom: -215px; transform: rotate(-7deg); }
.band-phones .ph-c { width: 175px; right: 6px;  bottom: -225px; transform: rotate(7deg); }




.ob-sticky {
  position: fixed; left: 50%; bottom: 22px; z-index: 900; text-align: center;
  transform: translate(-50%, 160%); opacity: 0; pointer-events: none;
  transition: transform .35s ease, opacity .35s ease;
}
.ob-sticky.on { transform: translate(-50%, 0); opacity: 1; pointer-events: auto; }



.ob-sticky::before {
  content: ""; position: absolute; left: 50%; top: -30px; z-index: -1;
  transform: translateX(-50%); pointer-events: none;
  width: 190%; height: calc(100% + 74px);
  background: radial-gradient(58% 100% at 50% 58%,
    rgba(10,15,30,0.95) 0%, rgba(10,15,30,0.78) 42%, rgba(10,15,30,0) 100%);
}
.ob-sticky a {
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(var(--bg), var(--bg)) padding-box, var(--grd) border-box;
  border: 1.5px solid transparent; border-radius: 999px;
  color: #fff; text-decoration: none; font-weight: 700; font-size: 1em;
  padding: 14px 30px; box-shadow: 0 12px 40px rgba(0,0,0,0.45);
  transition: transform .15s ease, box-shadow .15s ease;
}
.ob-sticky a:hover { transform: translateY(-1px); box-shadow: 0 14px 44px rgba(48,195,158,0.28); }
.ob-sticky a .arr { transition: transform .2s ease; }
.ob-sticky a:hover .arr { transform: translateX(3px); }
.ob-sticky .ob-sticky-hint {
  display: block; margin-top: 7px; font-size: .78em; font-weight: 500;
  color: #f1f5f9; letter-spacing: .02em; text-shadow: 0 1px 6px rgba(0,0,0,.85);
}
@media (prefers-reduced-motion: reduce) { .ob-sticky { transition: opacity .2s ease; } }


@media (max-width: 768px) {
  .ob-sticky { left: 16px; right: 16px; bottom: 14px; transform: translateY(180%); }
  .ob-sticky.on { transform: translateY(0); }
  .ob-sticky a {
    width: 100%; max-width: 420px; margin: 0 auto; justify-content: center;
    padding: 13px 18px; font-size: 0.92em; white-space: nowrap;
  }
  .ob-sticky .ob-sticky-hint { font-size: 0.72em; }
  .ob-sticky::before { width: 100vw; height: calc(100% + 60px); }
}

 
.ob-reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.ob-reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .ob-reveal { opacity: 1; transform: none; transition: none; } }








footer.ob-footer {
  position: relative; z-index: 10;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px 18px;
  padding: 26px 40px 22px;
}
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: var(--dim); text-decoration: none; font-size: 0.85em; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }
.footer-copy { color: var(--dim); font-size: 0.82em; margin: 0; text-align: right; }
.footer-social {
  display: flex; align-items: center; flex-basis: 100%; justify-content: center;
  order: -1; gap: 32px;
  margin-top: clamp(140px, 20vh, 320px);    
  margin-bottom: 108px;                     
}
.footer-social a {
  display: flex; align-items: center; justify-content: center;
  width: 68px; height: 68px; border-radius: 8px;
  color: #e2e8f0; font-size: 32px; text-decoration: none;
  transition: color 0.2s, background 0.2s;
}
.footer-social a svg { width: 33px; height: 33px; }
.footer-social a:hover { color: var(--accent); background: rgba(48,195,158,0.1); }
 
.lp-stack { position: relative; z-index: 10; flex-basis: 100%; width: 100%; order: -2; padding: 14px 0 18px; margin-top: 4px; }
.lp-stack-viewport { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.lp-stack-track { display: flex; gap: 80px; width: max-content; animation: lpStackScroll 38s linear infinite; will-change: transform; }
.lp-stack-viewport:hover .lp-stack-track { animation-play-state: paused; }
.lp-stack-item { display: inline-flex; align-items: baseline; gap: 10px; white-space: nowrap; color: var(--muted); font-weight: 800; font-size: 1.45em; letter-spacing: -0.01em; }
.lp-stack-item small { font-weight: 500; font-size: 0.72em; color: var(--dim); }
@keyframes lpStackScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .lp-stack-track { animation: none; flex-wrap: wrap; justify-content: center; width: auto; } .lp-stack-item[aria-hidden="true"] { display: none; } }

 
@media (max-width: 1240px) {
  .ob-nav-links a { padding: 7px 11px; font-size: 0.88em; }
}


@media (max-width: 1080px) {
  .ch2 { display: block; padding-bottom: 0; }
  .ch2--inv { padding-top: 0; }
  .ch2-hero { position: static; padding: 26px 0 10px; pointer-events: auto; }
  .ch2-hero h1, .ch2-hero h2 { font-size: clamp(1.5em, 6vw, 2em); }
  .ch2-visu { display: none; }
  .ch2-step { min-height: 0; padding: 22px 0 22px 54px; opacity: 1; justify-content: flex-start; }
  .ch2-num { top: 22px; }
  .ch2-step h3 { font-size: 1.25em; }
  


  .ch2-mimg { display: block; width: 100%; height: auto; margin-top: 14px;
    border-radius: 12px; border: 1px solid var(--border); order: 1; }
  .ch2-link { order: 2; margin-top: 18px; }
  .bento { grid-template-columns: 1fr 1fr; }
  .s3, .s4, .s6 { grid-column: span 2; }
  .s2 { grid-column: span 1; }
  .bt-img, .s3 .bt-img { height: 200px; }
}
@media (max-width: 620px) {
  .bento { grid-template-columns: 1fr; gap: 12px; }
  .s2, .s3, .s4, .s6 { grid-column: span 1; }
  .bt-img, .s3 .bt-img { height: 170px; }
  .bt-band { flex-direction: column; min-height: 0; }
  .bt-band .bt-txt { padding: 24px 20px 8px; }
  .band-phones { flex: 0 0 auto; height: 250px; }
  .band-phones .ph-a { width: 180px; left: 50%; margin-left: -90px; bottom: -140px; }
  .band-phones .ph-b, .band-phones .ph-c { display: none; }
}
@media (max-width: 768px) {
  .ob-sticky { left: 16px; right: 16px; bottom: 14px; transform: translateY(180%); }
  .ob-sticky.on { transform: translateY(0); }
  .ob-sticky a {
    width: 100%; max-width: 420px; margin: 0 auto; justify-content: center;
    padding: 13px 18px; font-size: 0.92em; white-space: nowrap;
  }
  .ob-sticky .ob-sticky-hint { font-size: 0.72em; }
  .ob-sticky::before { width: 100vw; height: calc(100% + 60px); }
}






@media (max-width: 900px) {
  .fil-carte, .fil-etape.a-droite .fil-carte { width: 100%; }
  .fil-lien { height: 72px; }
  .fil-lien path { d: path("M50,0 C50,45 50,55 50,100"); }
  .fil-carte h3 { font-size: 1.25em; }
  .fil-num { font-size: 2.1em; }
  .fil-corps { padding: 0 20px 20px; }
}
@media (max-width: 768px) {
  nav.ob-nav { height: 52px; padding: 0 12px; }
  .ob-page { padding-top: 52px; }
  .nav-left { min-width: 0; }
  .nav-logo { margin-left: -6px; }
  .nav-logo img { width: 38px; height: 38px; }
  .nav-right { min-width: 0; }
  




  .ob-nav-links { position: relative; left: auto; top: auto; transform: none; }
  .ob-nav-links a { padding: 6px 10px; font-size: 0.82em; }
  .ob-hero { padding: 30px 18px 20px; }
  .ob-section { padding: 52px 18px; }
  .ob-crumb { padding: 0 18px; margin-top: 18px; }
  footer.ob-footer { padding: 16px; gap: 12px 8px; justify-content: center; text-align: center; }
  .footer-links { gap: 10px; justify-content: center; }
  .footer-links a { font-size: 0.76em; }
  



  .footer-social { gap: 16px; margin: 36px 0 64px; }
  .footer-social a { width: 52px; height: 52px; font-size: 24px; }
  .footer-social a svg { width: 25px; height: 25px; }
  .lp-stack-item { font-size: 1.2em; }
  .lp-stack-track { gap: 52px; }
  .footer-copy { width: 100%; text-align: center; order: 3; margin-top: 2px; }
}




@media (max-width: 560px) {
  .nav-essai { display: none; }
  .ob-nav-links a[href="/"] { display: none; }
  .ob-nav-links { padding: 3px; }
  .ob-nav-links a { padding: 6px 12px; font-size: 0.8em; }
  .btn-ghost { padding: 7px 12px; font-size: 0.78em; }
  .nav-logo img { width: 34px; height: 34px; }
}
@media (max-width: 380px) {
  .ob-nav-links a { padding: 5px 9px; font-size: 0.75em; }
  .btn-ghost { padding: 6px 9px; font-size: 0.72em; }
}