/* SITWAY — étude de concept. Identité propre : architecturale, bleu nuit / acier / blanc. Chargé uniquement sur etudes/sitway.html */
.p-sitway{
  --sw-navy:#0E1A2B; --sw-navy-2:#15253B; --sw-ink:#0E1A2B; --sw-steel:#5B6878; --sw-steel-2:#8C99A8;
  --sw-cool:#EEF1F4; --sw-white:#FFFFFF; --sw-line:#CBD3DC; --sw-blue:#8DB8E8; --sw-blue-ink:#2F6DB5;
  --sw-dline:rgba(255,255,255,.14); --sw-dmuted:#A9B5C3;
}
.p-sitway main{background:var(--sw-cool);color:var(--sw-ink)}
.sw .wrap{max-width:var(--max)}
.sw-label{display:flex;align-items:baseline;gap:14px;font-family:var(--f-mono);font-size:var(--s-1);letter-spacing:.08em;text-transform:uppercase;color:var(--sw-steel)}
.sw-label b{font-family:var(--f-display);font-stretch:125%;font-weight:700;font-size:1.05rem;letter-spacing:0;color:var(--sw-blue-ink)}
.sw-dark .sw-label{color:var(--sw-dmuted)}
.sw-dark .sw-label b{color:var(--sw-blue)}
.sw-h{font-family:var(--f-display);font-stretch:118%;font-weight:750;font-size:clamp(1.55rem,2.8vw,2.3rem);line-height:1.08;letter-spacing:-.015em;margin:18px 0 0;max-width:22ch;text-wrap:balance}
.sw p{margin:0}
.sw-prose{display:grid;gap:16px;font-size:1.06rem;line-height:1.65;max-width:62ch}
.sw-prose p{color:#2B3A4D}
.sw-dark .sw-prose p{color:#D3DBE5}
.sw-sec{padding-block:clamp(64px,9vw,128px);border-top:1px solid var(--sw-line)}
.sw-dark{background:var(--sw-navy);color:var(--sw-white);border-top:0}
.sw-head{display:grid;grid-template-columns:minmax(150px,220px) 1fr;gap:clamp(20px,4vw,56px);margin-bottom:clamp(32px,5vw,64px)}
.sw-head > *{min-width:0}
@media (max-width:760px){.sw-head{grid-template-columns:1fr;gap:6px}}
.sw-note{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.04em;line-height:1.6;color:var(--sw-steel);border-left:2px solid var(--sw-blue-ink);padding:6px 0 6px 12px;max-width:70ch}
.sw-dark .sw-note{color:var(--sw-dmuted);border-color:var(--sw-blue)}

/* ---------- 01 · hero ---------- */
.sw-hero{background:var(--sw-navy);color:var(--sw-white);padding-block:clamp(36px,6vw,80px) clamp(40px,6vw,72px);position:relative;overflow:hidden}
.sw-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--sw-dline) 1px,transparent 1px),linear-gradient(90deg,var(--sw-dline) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 85%);-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 85%);pointer-events:none}
.sw-hero .wrap{position:relative}
.sw-hero .crumbs,.sw-hero .crumbs a{color:var(--sw-dmuted)}
.sw-hero .crumbs a:hover{color:var(--sw-white)}
.sw-kicker{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;margin-top:8px}
.sw-badge{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;padding:6px 10px;border:1px solid var(--sw-blue);color:var(--sw-blue)}
.sw-kicker .mono{color:var(--sw-dmuted)}
.sw-title{font-family:var(--f-display);font-stretch:125%;font-weight:800;font-size:clamp(2.6rem,8vw,6rem);line-height:.9;letter-spacing:-.02em;margin:clamp(20px,3vw,36px) 0 0}
.sw-sub{font-family:var(--f-display);font-stretch:112%;font-weight:500;font-size:clamp(1.25rem,2.4vw,1.9rem);line-height:1.2;color:var(--sw-blue);margin-top:clamp(14px,2vw,22px)!important;max-width:30ch}
.sw-intro{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(28px,5vw,80px);margin-top:clamp(32px,5vw,64px);align-items:start}
.sw-intro > *{min-width:0}
.sw-intro .sw-prose p{color:#D3DBE5}
.sw-intro .sw-prose p:last-child{color:var(--sw-white);font-weight:500}
.sw-spec{margin:0;border:1px solid var(--sw-dline);display:grid}
.sw-spec div{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:14px 16px;border-bottom:1px solid var(--sw-dline)}
.sw-spec div:last-child{border-bottom:0}
.sw-spec dt{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--sw-dmuted);padding-top:3px}
.sw-spec dd{margin:0;font-weight:600}
@media (max-width:860px){.sw-intro{grid-template-columns:1fr}}
@media (max-width:420px){.sw-spec div{grid-template-columns:1fr;gap:2px}}

.sw-fig-hero{margin:0;background:var(--sw-navy)}
.sw-fig-hero .plate{aspect-ratio:2/1;border:0;max-width:none}
.sw-fig-hero .plate::before,.sw-fig-hero .plate::after{display:none}
@media (max-width:640px){.sw-fig-hero .plate{aspect-ratio:4/3}}
.sw-cap{display:flex;gap:14px;align-items:baseline;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.04em;line-height:1.55;color:var(--sw-steel);padding-top:14px}
.sw-cap b{color:var(--sw-blue-ink);font-weight:500;white-space:nowrap}
.sw-fig-hero .sw-cap{color:var(--sw-dmuted);padding-block:14px 22px}
.sw-fig-hero .sw-cap b,.sw-dark .sw-cap b{color:var(--sw-blue)}
.sw-dark .sw-cap{color:var(--sw-dmuted)}

/* ---------- 02 · problème + carte ---------- */
.sw-problem-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(28px,5vw,72px);align-items:start}
.sw-problem-grid > *{min-width:0}
@media (max-width:960px){.sw-problem-grid{grid-template-columns:1fr}}
.sw-pains{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.sw-pains span{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;padding:7px 10px;background:var(--sw-white);border:1px solid var(--sw-line);color:var(--sw-steel)}
.sw-question{margin:clamp(28px,4vw,44px) 0 0;padding:22px 0 0;border-top:2px solid var(--sw-ink);font-family:var(--f-display);font-stretch:112%;font-weight:650;font-size:clamp(1.3rem,2.2vw,1.7rem);line-height:1.22;letter-spacing:-.01em;max-width:28ch}
.sw-question span{display:block;font-family:var(--f-mono);font-size:var(--s-1);font-weight:400;letter-spacing:.08em;text-transform:uppercase;color:var(--sw-blue-ink);margin-bottom:12px}
.sw-map{margin:0}
.sw-map-frame{position:relative;background:var(--sw-navy);padding:clamp(8px,1.2vw,14px);box-shadow:0 1px 0 var(--sw-line)}
.sw-map-frame img{display:block;width:100%;height:auto}
.sw-map-frame svg{position:absolute;inset:clamp(8px,1.2vw,14px);width:calc(100% - 2*clamp(8px,1.2vw,14px));height:calc(100% - 2*clamp(8px,1.2vw,14px));overflow:visible}
.sw-route{fill:none;stroke:#fff;stroke-width:7;stroke-linejoin:round;stroke-linecap:round;opacity:.9}
.sw-route-in{fill:none;stroke:var(--sw-blue-ink);stroke-width:3.5;stroke-linejoin:round;stroke-linecap:round;stroke-dasharray:1000;stroke-dashoffset:0;transition:stroke-dashoffset 2.4s cubic-bezier(.6,0,.2,1) .3s}
.js .sw-map.pre .sw-route-in{stroke-dashoffset:1000}
.sw-stop circle{fill:var(--sw-navy);stroke:#fff;stroke-width:2.5}
.sw-stop text{fill:#fff;font-family:var(--f-mono);font-size:13px;font-weight:500;text-anchor:middle;dominant-baseline:central}
.sw-var{fill:#fff;font-family:var(--f-mono);font-size:13px;letter-spacing:.2em;paint-order:stroke;stroke:rgba(14,26,43,.75);stroke-width:4px}
.sw-legend{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px 18px}
.sw-legend li{display:flex;gap:10px;align-items:baseline;font-size:.92rem;line-height:1.4;color:#2B3A4D}
.sw-legend i{flex:none;display:inline-grid;place-items:center;min-width:28px;height:22px;padding:0 5px;background:var(--sw-navy);color:#fff;font-style:normal;font-family:var(--f-mono);font-size:.7rem}
@media (max-width:640px){.sw-legend{grid-template-columns:1fr}}

/* ---------- 03 · utilisateurs ---------- */
.sw-users{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--sw-ink)}
.sw-user{padding:26px 26px 30px 0;display:flex;flex-direction:column;gap:12px;min-width:0}
.sw-user + .sw-user{padding-left:26px;border-left:1px solid var(--sw-line)}
.sw-user .tag{font-family:var(--f-mono);font-size:var(--s-1);letter-spacing:.08em;text-transform:uppercase;color:var(--sw-blue-ink)}
.sw-user h3{font-family:var(--f-display);font-stretch:112%;font-size:1.35rem;font-weight:700;line-height:1.1}
.sw-user p{color:#2B3A4D}
.sw-user .prio{margin-top:auto!important;padding-top:14px;border-top:1px dashed var(--sw-line);font-size:.93rem}
.sw-user .prio b{display:block;font-family:var(--f-mono);font-size:.68rem;font-weight:400;letter-spacing:.08em;text-transform:uppercase;color:var(--sw-steel);margin-bottom:4px}
@media (max-width:860px){.sw-users{grid-template-columns:1fr}.sw-user,.sw-user + .sw-user{padding:24px 0;border-left:0;border-bottom:1px solid var(--sw-line)}}

/* ---------- 04 · concept technique ---------- */
.sw-tech{position:relative;overflow:hidden}
.sw-tech::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--sw-dline) 1px,transparent 1px),linear-gradient(90deg,var(--sw-dline) 1px,transparent 1px);background-size:32px 32px;opacity:.45;pointer-events:none}
.sw-tech .wrap{position:relative}
.sw-tech-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(28px,5vw,72px);align-items:start}
.sw-tech-grid > *{min-width:0}
@media (max-width:960px){.sw-tech-grid{grid-template-columns:1fr}}
.sw-sheet{margin:0}
.sw-sheet-frame{position:relative;border:1px solid var(--sw-dline);padding:clamp(10px,1.6vw,18px);background:var(--sw-navy-2)}
.sw-sheet-frame .plate{aspect-ratio:1046/548;border:0;max-width:100%}
.sw-sheet-frame .tick{position:absolute;font-family:var(--f-mono);font-size:.62rem;letter-spacing:.08em;color:var(--sw-dmuted);text-transform:uppercase}
.sw-sheet-frame .tick.tl{top:-22px;left:0}.sw-sheet-frame .tick.tr{top:-22px;right:0}
.sw-funcs{list-style:none;margin:clamp(36px,5vw,56px) 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));border-top:1px solid var(--sw-dline)}
.sw-funcs li{padding:22px 22px 26px 0;border-bottom:1px solid var(--sw-dline);display:grid;gap:10px;align-content:start}
.sw-funcs .k{font-family:var(--f-mono);font-size:.72rem;color:var(--sw-blue);letter-spacing:.08em}
.sw-funcs h3{font-family:var(--f-display);font-stretch:112%;font-size:1.08rem;font-weight:700;line-height:1.15}
.sw-funcs p{color:#C4CEDA;font-size:.95rem;line-height:1.55}
@media (min-width:1000px){.sw-funcs{grid-template-columns:repeat(5,1fr)}.sw-funcs li + li{padding-left:20px;border-left:1px solid var(--sw-dline)}}

/* ---------- 05 · pourquoi ---------- */
.sw-goals{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--sw-line);border:1px solid var(--sw-line)}
.sw-goal{background:var(--sw-white);padding:clamp(22px,3vw,34px);display:grid;gap:12px;align-content:start;min-width:0}
.sw-goal .tag{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--sw-steel);display:flex;justify-content:space-between;gap:12px}
.sw-goal .tag em{font-style:normal;color:var(--sw-blue-ink)}
.sw-goal h3{font-family:var(--f-display);font-stretch:112%;font-size:clamp(1.2rem,2vw,1.5rem);font-weight:700;line-height:1.12}
.sw-goal p{color:#2B3A4D}
@media (max-width:720px){.sw-goals{grid-template-columns:1fr}}

/* ---------- 06 · défis ---------- */
.sw-studies{list-style:none;margin:0;padding:0;border-top:2px solid var(--sw-ink);counter-reset:st}
.sw-studies li{counter-increment:st;display:grid;grid-template-columns:64px 170px 1fr auto;gap:16px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--sw-line)}
.sw-studies li::before{content:counter(st,decimal-leading-zero);font-family:var(--f-mono);font-size:.8rem;color:var(--sw-steel)}
.sw-studies .dom{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--sw-blue-ink)}
.sw-studies .txt{font-size:1.02rem;line-height:1.5}
.sw-studies .st{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;padding:5px 8px;border:1px dashed var(--sw-steel-2);color:var(--sw-steel);white-space:nowrap}
@media (max-width:760px){.sw-studies li{grid-template-columns:44px 1fr;gap:4px 12px}.sw-studies .dom{grid-column:2}.sw-studies .txt{grid-column:2}.sw-studies .st{grid-column:2;justify-self:start;margin-top:6px}}

/* ---------- 07 · démarche ---------- */
.sw-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,1fr);gap:0;counter-reset:sp}
.sw-steps li{counter-increment:sp;position:relative;padding:44px 18px 0 0;min-width:0}
.sw-steps li::before{content:counter(sp,decimal-leading-zero);position:absolute;top:0;left:0;font-family:var(--f-mono);font-size:.75rem;color:var(--sw-blue-ink);letter-spacing:.06em}
.sw-steps li::after{content:"";position:absolute;top:28px;left:0;right:0;height:2px;background:var(--sw-ink);transform-origin:0 50%;transition:transform .9s cubic-bezier(.7,0,.2,1);transition-delay:calc(var(--d,0) * 120ms + 150ms)}
.sw-steps li span{position:absolute;top:22px;left:0;width:14px;height:14px;border-radius:50%;background:var(--sw-cool);border:2px solid var(--sw-ink);z-index:1}
.js .sw-steps li.pre::after{transform:scaleX(0)}
.sw-steps p{font-size:.98rem;line-height:1.45;color:#2B3A4D}
.sw-steps li:last-child span{background:var(--sw-blue-ink);border-color:var(--sw-blue-ink)}
@media (max-width:980px){.sw-steps{grid-template-columns:repeat(3,1fr);row-gap:28px}}
@media (max-width:560px){.sw-steps{grid-template-columns:1fr;row-gap:0}.sw-steps li{padding:0 0 22px 40px}.sw-steps li::before{position:static;display:block;margin-bottom:6px}.sw-steps li::after{top:0;bottom:0;left:6px;right:auto;width:2px;height:auto;transform-origin:50% 0}.js .sw-steps li.pre::after{transform:scaleY(0)}.sw-steps li span{top:2px;left:0}}
.sw-process-foot{margin-top:clamp(36px,5vw,56px)!important;max-width:60ch;font-family:var(--f-display);font-stretch:108%;font-weight:550;font-size:clamp(1.1rem,1.8vw,1.35rem);line-height:1.35}

/* ---------- 08 · conclusion ---------- */
.sw-end{padding-block:clamp(72px,10vw,144px) clamp(40px,6vw,72px)}
.sw-end .sw-h{font-size:clamp(1.8rem,3.6vw,3rem);max-width:20ch}
.sw-end .sw-h em{font-style:normal;color:var(--sw-blue)}
.sw-end-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);margin-top:clamp(28px,4vw,48px)}
.sw-end-grid > *{min-width:0}
@media (max-width:820px){.sw-end-grid{grid-template-columns:1fr}}
.sw-end .next{border-top-color:var(--sw-dline);margin-top:clamp(48px,7vw,96px);color:var(--sw-white)}
.sw-end .next .mono{color:var(--sw-dmuted)}
.sw-end .next .btn.ghost{color:var(--sw-white);border-color:var(--sw-white)}
.sw-end .next:hover h3{color:var(--sw-blue)}
.sw-sheet-int{margin-top:clamp(48px,6vw,80px)}
.sw-sheet-int .sw-sheet-frame .plate{aspect-ratio:1800/1068}