/* Alexandrie Systems — feuille de style partagée (FR, EN, 404) */

/* ===== Polices auto-hébergées (SIL OFL 1.1, voir /assets/fonts/OFL.txt) ===== */
@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/bricolage-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/bricolage-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Instrument Serif';font-style:italic;font-weight:400;font-display:swap;src:url(/assets/fonts/instrument-serif-italic-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Instrument Serif';font-style:italic;font-weight:400;font-display:swap;src:url(/assets/fonts/instrument-serif-italic-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Instrument Serif';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/instrument-serif-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Instrument Serif';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/instrument-serif-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 500;font-display:swap;src:url(/assets/fonts/jetbrains-mono-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 500;font-display:swap;src:url(/assets/fonts/jetbrains-mono-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}

:root{
  --bone:#f4f0e8;
  --bone-deep:#ebe5d8;
  --ink:#0a0a0a;
  --ink-soft:#3a3a3a;
  --ink-faint:#7a7a78;
  --ink-muted:#6a6a6a;
  --rule:rgba(10,10,10,.12);
  --violet:#7326BB;
  --violet-light:#a672e0;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bone);color:var(--ink);
  font-family:'Bricolage Grotesque',system-ui,sans-serif;font-size:16px;line-height:1.5;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
::selection{background:var(--violet);color:var(--bone)}
a:focus-visible,summary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(115,38,187,.35);border-radius:8px}

/* ===== Nav ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  border-bottom:1px solid transparent;
  transition:background .35s ease, border-bottom-color .35s ease;
}
.nav.is-scrolled{
  background:rgba(244,240,232,.88);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom-color:rgba(10,10,10,.08);
}
.nav-inner{
  max-width:1320px;margin:0 auto;padding:24px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  transition:padding .25s ease;
}
.nav.is-scrolled .nav-inner{padding:14px 32px}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:21px;letter-spacing:-.03em;color:var(--ink);text-decoration:none;
}
.brand-letter-wrap{display:inline-block;width:.48em;height:.72em;position:relative;margin-right:.02em}
.brand-letter{position:absolute;bottom:-.02em;left:0;height:1em;width:auto;color:var(--ink)}
.nav-links{display:flex;gap:40px;align-items:center}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--ink-soft);text-decoration:none;letter-spacing:-.01em;transition:color .15s}
.nav-links a:hover{color:var(--violet)}
.nav-cta{
  font-size:13.5px;font-weight:600;padding:11px 20px;border-radius:100px;
  background:var(--violet);color:var(--bone);text-decoration:none;white-space:nowrap;
  transition:background .2s;
}
.nav-cta:hover{background:var(--ink)}
@media (max-width:780px){.nav-links{display:none}}

/* ===== Boutons ===== */
.btn{
  font-size:14px;font-weight:600;padding:16px 28px;border-radius:100px;
  display:inline-flex;align-items:center;gap:8px;text-decoration:none;
  border:1px solid transparent;transition:background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}
.btn:active{transform:scale(.97)}
.btn .arr{display:inline-block;transition:transform .4s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn-violet{background:var(--violet);color:var(--bone)}
.btn-violet:hover{background:var(--ink)}
.btn-ghost{color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--bone)}

/* ===== Hero ===== */
.hero{padding:190px 32px 130px}
.hero-inner{max-width:1320px;margin:0 auto}
.eyebrow{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--violet);margin-bottom:36px;
}
.hero h1{
  font-weight:700;font-size:clamp(64px,13vw,190px);line-height:.86;letter-spacing:-.045em;
  margin-bottom:48px;
}
.hero h1 span{display:block}
.hero h1 .v{color:var(--violet)}
.hero-deck{font-size:clamp(18px,2vw,22px);line-height:1.45;color:var(--ink-soft);max-width:580px;margin-bottom:44px}
.hero-deck strong{color:var(--ink);font-weight:600}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== Sections ===== */
.section{padding:120px 32px}
.inner{max-width:1320px;margin:0 auto}
.kicker{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--violet);margin-bottom:16px;
}
.section-h{
  font-weight:600;font-size:clamp(38px,5.5vw,76px);line-height:.94;letter-spacing:-.04em;
  max-width:900px;margin-bottom:64px;
}
.section-h .v{color:var(--violet)}
.section-h .it{font-family:'Instrument Serif',serif;font-style:italic;font-weight:400;color:var(--violet)}

/* ===== Interventions ===== */
.interv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:1100px){.interv-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.interv-grid{grid-template-columns:1fr}}
.interv-card{
  background:var(--bone-deep);border:1px solid transparent;border-radius:20px;
  padding:28px 24px 24px;display:flex;flex-direction:column;gap:10px;
  transition:border-color .3s var(--ease), transform .35s var(--ease);
}
.interv-card:hover{border-color:rgba(115,38,187,.45);transform:translateY(-3px)}
.ic-num{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;letter-spacing:.16em;color:var(--violet)}
.ic-name{font-weight:600;font-size:26px;line-height:1.05;letter-spacing:-.025em}
.ic-desc{font-size:15px;line-height:1.55;color:var(--ink-soft)}
.ic-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--rule);
  font-family:'JetBrains Mono',monospace;font-size:10.5px;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:var(--violet);
}
.audience-line{margin-top:44px;font-size:18px;line-height:1.55;color:var(--ink-soft);max-width:780px}
.audience-line strong{color:var(--ink);font-weight:600}

/* ===== Étude de cas ===== */
.case{padding-top:40px}
.case-frame{background:var(--bone-deep);border-radius:32px;padding:72px 56px}
.case-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:72px;align-items:center}
@media (max-width:880px){.case-grid{grid-template-columns:1fr;gap:40px}}
.case-tag{
  display:inline-block;padding:6px 14px;border-radius:100px;margin-bottom:28px;
  background:var(--violet);color:var(--bone);
  font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;
}
.case-desc{font-size:17px;line-height:1.55;color:var(--ink-soft);max-width:560px;margin-bottom:14px}
.case-desc strong{color:var(--ink);font-weight:600}
.case-stats{
  display:grid;grid-template-columns:repeat(4,1fr);margin-top:32px;padding-top:22px;
  border-top:1px solid var(--ink);max-width:560px;
}
@media (max-width:560px){.case-stats{grid-template-columns:repeat(2,1fr);gap:18px 0}}
.cs-cell{display:flex;flex-direction:column;gap:6px;padding-right:16px}
.cs-num{font-weight:700;font-size:24px;line-height:1;letter-spacing:-.025em;font-variant-numeric:tabular-nums}
.cs-lbl{font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);line-height:1.3}
.case-quote{margin-top:56px;padding-top:36px;border-top:1px solid var(--rule);display:flex;gap:20px;align-items:flex-start;max-width:900px}
.case-quote blockquote{font-weight:500;font-size:clamp(20px,2.2vw,26px);line-height:1.35;letter-spacing:-.02em}
.case-quote blockquote .v{color:var(--violet)}
.case-quote cite{display:block;margin-top:14px;font-style:normal;font-size:14px;color:var(--ink-muted)}
.case-quote cite strong{color:var(--ink);font-weight:600}
.avatar{
  flex:none;width:44px;height:44px;border-radius:50%;
  background:var(--violet-light);color:var(--bone);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
}

/* Maquette du Backoffice */
.mockup{
  background:#0a0e1a;border-radius:10px;overflow:hidden;color:#e4e7ed;
  box-shadow:0 24px 60px rgba(10,10,10,.22), 0 4px 12px rgba(10,10,10,.08);
}
.mockup-bar{display:flex;align-items:center;gap:14px;background:#0e1320;padding:11px 16px;border-bottom:1px solid #1a1f30}
.mb-dots{display:flex;gap:6px}
.mb-dot{width:9px;height:9px;border-radius:50%}
.mb-dot:nth-child(1){background:#ff5f57}.mb-dot:nth-child(2){background:#ffbd2e}.mb-dot:nth-child(3){background:#28ca42}
.mb-brand{display:flex;align-items:center;gap:8px;margin-left:8px;font-weight:700;font-size:13px}
.mb-brand img{height:14px;width:auto;display:block}
.mb-brand span{color:#5a6478;font-weight:400}
.mb-url{margin-left:auto;font-family:'JetBrains Mono',monospace;font-size:10px;color:#5a6478}
.mockup-body{display:grid;grid-template-columns:150px 1fr;min-height:330px}
.mb-side{border-right:1px solid #1a1f30;padding:14px 0}
.mb-side-title{font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#5a6478;padding:0 14px 10px}
.mb-mod{padding:7px 14px;color:#a0a8b8;font-size:11.5px;font-weight:500;border-left:2px solid transparent}
.mb-mod.active{background:rgba(115,38,187,.15);color:#fff;border-left-color:var(--violet)}
.mb-main{padding:18px 22px;color:#c8cdd8}
.mb-crumb{font-family:'JetBrains Mono',monospace;font-size:10px;color:#5a6478;margin-bottom:14px}
.mb-crumb .now{color:var(--violet)}
.mb-prj-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.mb-prj-name{font-weight:700;font-size:20px;color:#fff;letter-spacing:-.015em;margin-bottom:4px}
.mb-prj-meta{font-size:10.5px;color:#7a8294}
.mb-pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:100px;
  background:rgba(115,38,187,.18);color:#c9a4f0;
  font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;
}
.mb-pill::before{content:'';width:5px;height:5px;border-radius:50%;background:#c9a4f0}
.mb-tabs{display:flex;gap:18px;font-size:11px;border-bottom:1px solid #1a1f30;margin-bottom:14px}
.mb-tab{padding:6px 0;color:#7a8294;font-weight:500;border-bottom:1px solid transparent}
.mb-tab.active{color:#fff;border-bottom-color:var(--violet)}
.mb-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.mb-card{background:#0e1320;border:1px solid #1a1f30;padding:11px 13px;border-radius:5px}
.mb-card-lbl{font-family:'JetBrains Mono',monospace;font-size:9px;color:#5a6478;letter-spacing:.1em;text-transform:uppercase;margin-bottom:5px}
.mb-card-val{font-weight:600;font-size:14px;color:#fff}
.mb-card-val span{color:var(--violet)}
.mb-row{
  display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:4px;
  padding:7px 10px;background:#0e1320;border-radius:4px;
  font-family:'JetBrains Mono',monospace;font-size:10px;color:#7a8294;
}
.mb-row span:last-child{font-size:9px;padding:2px 7px;border-radius:100px;background:rgba(115,38,187,.18);color:#c9a4f0;letter-spacing:.06em;text-transform:uppercase}
@media (max-width:540px){.mockup-body{grid-template-columns:1fr}.mb-side,.mb-url{display:none}}

/* ===== Engagements ===== */
.engage{background:var(--ink);color:var(--bone)}
.engage .kicker{color:var(--violet-light)}
.engage .section-h .v{color:var(--violet-light)}
.eg-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(244,240,232,.15)}
@media (max-width:1100px){.eg-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.eg-grid{grid-template-columns:1fr}}
.eg{padding:36px 28px 36px 0;border-bottom:1px solid rgba(244,240,232,.15)}
.eg-num{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;color:var(--violet-light);margin-bottom:14px}
.eg-title{font-weight:600;font-size:22px;line-height:1.15;letter-spacing:-.02em;margin-bottom:10px}
.eg-desc{font-size:15px;line-height:1.55;opacity:.65;max-width:320px}

/* ===== FAQ ===== */
.faq-inner{max-width:1040px;margin:0 auto}
.faq-list{border-bottom:1px solid var(--rule)}
.faq-item{border-top:1px solid var(--rule)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;
  padding:26px 0;font-weight:600;font-size:clamp(19px,2vw,24px);line-height:1.25;letter-spacing:-.02em;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--violet)}
.faq-plus{flex:none;position:relative;width:16px;height:16px}
.faq-plus::before,.faq-plus::after{content:'';position:absolute;left:0;top:7px;width:16px;height:2px;background:var(--violet);transition:transform .3s var(--ease)}
.faq-plus::after{transform:rotate(90deg)}
.faq-item[open] .faq-plus::after{transform:rotate(0)}
.faq-a{padding:0 40px 28px 0;font-size:16.5px;line-height:1.6;color:var(--ink-soft);max-width:720px}
.faq-a strong{color:var(--ink);font-weight:600}
.faq-read{margin-top:40px;font-size:15.5px;color:var(--ink-soft)}
.faq-read a{color:var(--violet);font-weight:600;text-decoration:none}
.faq-read a:hover{text-decoration:underline;text-underline-offset:3px}

/* ===== Contact ===== */
.contact{background:var(--ink);color:var(--bone);padding:140px 32px 110px}
.contact-status{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:44px;padding:8px 16px;
  border:1px solid var(--violet-light);border-radius:100px;color:var(--violet-light);
  font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;
}
.contact-status::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--violet-light);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.contact h2{font-weight:600;font-size:clamp(44px,8vw,120px);line-height:.88;letter-spacing:-.045em;margin-bottom:56px}
.contact h2 .v{color:var(--violet-light)}
.contact-grid{display:grid;grid-template-columns:2fr 1fr;gap:64px;align-items:end}
@media (max-width:780px){.contact-grid{grid-template-columns:1fr;gap:32px}}
.contact-info{font-size:14px;line-height:1.7;opacity:.7}

/* ===== Footer ===== */
.footer{background:var(--ink);color:var(--bone);padding:48px 32px;border-top:1px solid rgba(244,240,232,.1)}
.footer-inner{
  max-width:1320px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;
  font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:rgba(244,240,232,.5);
}
.footer a{color:rgba(244,240,232,.7);text-decoration:none;display:inline-flex;align-items:center;gap:10px}
.footer a:hover{color:var(--bone)}
.footer img{height:18px;width:auto}

/* ===== Apparition au défilement (JS uniquement, rien de caché sans JS) ===== */
.js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease), transform .8s var(--ease)}
.js [data-reveal].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .js [data-reveal]{opacity:1;transform:none;transition:none}
  .interv-card,.btn .arr,.faq-plus::before,.faq-plus::after{transition:none}
  .contact-status::before{animation:none}
}

/* ===== Mobile ===== */
@media (max-width:768px){
  .nav-inner{padding:18px 20px;gap:12px}
  .nav.is-scrolled .nav-inner{padding:12px 20px}
  .brand{font-size:19px;gap:8px}
  .nav-cta{font-size:12.5px;padding:9px 16px}
  .hero{padding:124px 20px 80px}
  .hero h1{margin-bottom:32px}
  .eyebrow{margin-bottom:24px;font-size:10.5px}
  .hero-deck{font-size:17px;margin-bottom:32px}
  .btn{padding:14px 22px;font-size:13.5px}
  .section{padding:80px 20px}
  .section-h{margin-bottom:40px}
  .case{padding-top:16px}
  .case-frame{padding:36px 20px;border-radius:20px}
  .case-desc{font-size:15.5px}
  .case-quote{margin-top:40px;padding-top:28px}
  .eg{padding:28px 0}
  .faq-a{padding-right:0}
  .contact{padding:96px 20px 72px}
  .contact h2{margin-bottom:40px}
  .footer{padding:32px 20px}
  .footer-inner{flex-direction:column;justify-content:center;text-align:center;gap:14px;font-size:10px}
}
@media (max-width:480px){
  .hero{padding:110px 18px 64px}
  .hero h1{font-size:60px;line-height:.92;letter-spacing:-.035em}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{justify-content:center}
  .section{padding:72px 18px}
  .contact{padding:88px 18px 64px}
  .contact h2{font-size:40px}
  .contact .btn{width:100%;justify-content:center}
}

/* ===== Accessibilité / langue ===== */
.skip{position:absolute;left:12px;top:-60px;z-index:100;padding:10px 16px;border-radius:8px;background:var(--ink);color:var(--bone);font-weight:600;text-decoration:none}
.skip:focus{top:12px}
.nav-right{display:flex;align-items:center;gap:18px}
.nav-lang{font-family:'JetBrains Mono',monospace;font-size:11.5px;font-weight:500;letter-spacing:.12em;color:var(--ink-soft);text-decoration:none;padding:6px 2px}
.nav-lang:hover{color:var(--violet)}
@media (max-width:768px){.nav-right{gap:12px}}

/* ===== Retours à la ligne équilibrés (évite un mot seul en fin de paragraphe) ===== */
.hero-deck,.ic-desc,.case-desc,.eg-desc,.faq-a,.audience-line{text-wrap:pretty}
.section-h,.contact h2{text-wrap:balance}