/* Independent proposal B. Shared pages and original artwork are preserved. */
.bis-review{background:#11142b;color:white;padding:9px 0;font-size:14px;line-height:1.4}
.bis-review .container{display:flex;align-items:center;justify-content:space-between;gap:18px}
.bis-review a{font-weight:600;text-underline-offset:4px}
.bis-hero{position:relative;background:#f7f8fc;isolation:isolate;overflow:hidden}
.bis-hero:before{content:"";position:absolute;inset:0 43% 0 0;background:linear-gradient(90deg,#f7f8fcf5,#f7f8fcdb),url('strategic-architecture.png') center/cover;z-index:-1}
.bis-hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:70px;align-items:center;padding-block:50px}
.bis-hero h1{font:700 clamp(36px,4vw,58px)/1.08 Manrope,Arial,sans-serif;letter-spacing:-.045em;margin:0 0 24px;max-width:640px}
.bis-hero h1 strong{color:var(--blue);font-weight:700}
.bis-hero .lead{font-size:18px;line-height:1.65;margin:0;max-width:530px}
.bis-hero .kicker{font-size:14px;letter-spacing:.09em;margin-bottom:20px}
.bis-hero-note{font-size:14px;font-weight:650;color:var(--blue);margin-top:24px}
.bis-choices{background:white;border:1px solid #dfe3ed;padding:0 24px;box-shadow:0 18px 45px #11142b08;min-width:0}
.bis-choices>h2{font:700 16px Manrope;margin:0;padding:21px 0 17px;border-bottom:1px solid var(--line)}
.bis-choice{display:grid;grid-template-columns:minmax(0,1fr) 36px;align-items:center;gap:12px;text-decoration:none;padding:19px 0;border-bottom:1px solid var(--line);position:relative}
.bis-choice:last-of-type{border-bottom:0}
.bis-choice span{display:block;color:var(--red);font-size:14px;font-weight:650;margin-bottom:4px}
.bis-choice h3{font:750 21px/1.25 Manrope;margin:0 0 7px;color:var(--blue)}
.bis-choice p{font-size:14px;line-height:1.5;color:var(--muted);margin:0}
.bis-choice>b{width:36px;height:36px;display:grid;place-items:center;background:#f0f2fa;border-radius:50%;font-size:21px;color:var(--blue);transition:background .2s,color .2s}
.bis-choice:hover h3{text-decoration:underline;text-underline-offset:5px}
.bis-choice:hover>b{background:var(--blue);color:white}
.bis-assistant-note{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding:15px 0;color:var(--muted);font-size:14px;line-height:1.5}
.bis-assistant-note>span{display:grid;place-items:center;flex-shrink:0;width:34px;height:34px;background:var(--blue);color:white;border-radius:50%;font-weight:700}
.bis-assistant-note p{margin:0}.bis-assistant-note a{color:var(--blue);font-weight:650;text-underline-offset:3px}
.bis-proof{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:white;padding:26px 0 14px}
.bis-proof-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:0}
.bis-proof-grid>div{padding:0 16px;border-inline-start:1px solid var(--line)}
.bis-proof-grid>div:first-child{padding-inline-start:0;border:0}
.bis-proof strong{display:block;font:800 clamp(24px,2.3vw,33px)/1.2 Manrope;color:var(--blue);white-space:nowrap;margin-bottom:7px}
.bis-proof span{display:block;font-size:14px;line-height:1.45;color:#4b5268}
.bis-proof-note{font-size:12px;color:var(--muted);margin:16px 0 0}
.bis-home .trust-section{padding-block:52px}
.bis-home .trust-logo{height:82px;margin-bottom:0}.bis-home .trust-logo img{max-height:76px}
.bis-home .trust-card{padding:20px 16px;gap:9px}.bis-home .trust-card>span:not(.trust-logo):not(.trust-name){display:none}
.bis-home .trust-card>strong{font-size:14px;min-height:42px}.bis-home .trust-card>small{font-size:12px}
.bis-ecosystem{padding:84px 0;background:#f5f7fb}
.bis-ecosystem .section-heading{align-items:start;gap:50px;margin-bottom:32px}
.bis-ecosystem .section-heading p{font-size:17px}
.bis-hub{display:grid;grid-template-columns:160px minmax(0,1fr) auto;align-items:center;gap:30px;border-inline-start:4px solid var(--red);background:var(--blue);color:white;padding:28px 30px;margin-bottom:18px}
.bis-hub-logo{display:flex;align-items:center;background:white;min-height:64px;padding:12px}
.bis-hub-logo img{display:block;width:100%;height:auto}
.bis-hub h3{font:700 21px/1.3 Manrope;margin:0 0 8px}.bis-hub p{font-size:16px;margin:0;color:#e1e5ff;max-width:680px}
.bis-hub>a:last-child{color:white;font-size:14px;line-height:1.5;font-weight:700;text-underline-offset:4px}
.bis-blocks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.bis-block{display:grid;grid-template-columns:90px minmax(0,1fr);gap:22px;padding:26px;background:white;border:1px solid var(--line);text-decoration:none;align-items:start}
.bis-block-logo{height:86px;display:flex;align-items:center;justify-content:center;background:white}
.bis-block-logo img{display:block;max-width:100%;max-height:86px;width:auto;height:auto;object-fit:contain}
.bis-block .role{font-size:14px;font-weight:650;color:var(--red);display:block;margin-bottom:8px}
.bis-block h3{font:700 21px/1.3 Manrope;color:var(--blue);margin:0 0 8px}
.bis-block p{font-size:16px;line-height:1.55;color:var(--muted);margin:0}
.bis-block b{font-size:14px;color:var(--blue);display:inline-block;margin-top:18px}
.bis-block:hover{border-color:var(--blue)}.bis-block:hover b{text-decoration:underline;text-underline-offset:4px}
.bis-block:last-child{grid-column:1 / -1}
.bis-ecosystem-note{font-size:14px;color:var(--muted);margin:22px 0 0;max-width:950px}
.bis-home .cta-band{padding-block:64px}.bis-home .cta-grid{align-items:center}
.bis-home a:focus-visible{outline:3px solid var(--red);outline-offset:4px}
.bis-home :is(#votre-projet,#ecosysteme){scroll-margin-top:100px}
@media(max-width:1120px){.bis-hero-grid{gap:32px}.bis-proof-grid{grid-template-columns:repeat(4,minmax(0,1fr));row-gap:22px}.bis-proof-grid>div:nth-child(5){border:0;padding-inline-start:0}.bis-hub{grid-template-columns:140px 1fr}.bis-hub>a:last-child{grid-column:2}}
@media(max-width:820px){.bis-hero-grid{grid-template-columns:1fr;padding-block:34px;gap:28px}.bis-hero h1{max-width:660px;font-size:43px}.bis-hero .lead{max-width:650px;font-size:16px}.bis-hero:before{inset:0;opacity:.6}.bis-hero-note{margin-bottom:0}.bis-choices{padding-inline:20px}.bis-choices>h2{padding-block:16px}.bis-choice{padding-block:15px}.bis-choice h3{font-size:20px}.bis-proof-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.bis-proof-grid>div:nth-child(5){border-inline-start:1px solid var(--line);padding-inline-start:16px}.bis-proof-grid>div:nth-child(3n+1){border:0;padding-inline-start:0}.bis-blocks{grid-template-columns:1fr}.bis-block:last-child{grid-column:auto}.bis-ecosystem{padding-block:54px}.bis-home .trust-section{padding-block:42px}.bis-home .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.bis-review{font-size:12px}.bis-review .container{gap:10px;align-items:center}.bis-review a{max-width:125px;text-align:end}.bis-hero h1{font-size:36px;line-height:1.12}.bis-hero .kicker{font-size:12px}.bis-choice p{font-size:14px}.bis-proof-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:22px}.bis-proof-grid>div:nth-child(n){padding:0 12px;border-inline-start:1px solid var(--line)}.bis-proof-grid>div:nth-child(odd){border:0;padding-inline-start:0}.bis-proof strong{font-size:29px}.bis-home .trust-grid{grid-template-columns:1fr}.bis-home .trust-card{grid-template-columns:80px minmax(0,1fr);gap:7px 16px}.bis-home .trust-card>strong{min-height:0}.bis-home .trust-logo{height:80px;grid-row:1 / 4}.bis-hub{grid-template-columns:1fr;padding:25px;gap:18px}.bis-hub-logo{width:154px}.bis-hub>a:last-child{grid-column:auto}.bis-block{grid-template-columns:65px minmax(0,1fr);padding:22px 18px;gap:16px}.bis-block-logo,.bis-block-logo img{max-height:65px}.bis-block h3{font-size:20px}.bis-block p{font-size:16px}.bis-home .cta-grid h2{font-size:35px}}
@media(prefers-reduced-motion:reduce){.bis-choice>b{transition:none}html{scroll-behavior:auto}}