/* ROUGATECH — shared stylesheet for inner pages (/solutions, /industries, /blog, /projects, /about, /contact, 404)
   Light editorial style, same tokens as the homepage (assets/home.css). */

:root{
  --paper:#ffffff;
  --mist:#f1f3f7;
  --ink:#0d1b34;
  --ink-2:#3d4a63;
  --ink-3:#6b7489;
  --line:#dde2ea;
  --blue:#1f5eff;
  --blue-deep:#1646c9;
  --saffron:#ffb020;
  --radius-lg:22px;
  --display:'Bricolage Grotesque','Instrument Sans',system-ui,sans-serif;
  --text:'Instrument Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  /* legacy names still used inline in a few pages */
  --line-soft:#dde2ea; --black:#0d1b34; --black-soft:#f1f3f7; --cream:#0d1b34; --gray:#3d4a63; --gray-mute:#6b7489; --cyan:#1f5eff; --gold:#ffb020;
}
*{margin:0; padding:0; box-sizing:border-box;}
html{scroll-behavior:smooth;}
body[data-lang="fr"] .en{display:none !important;}
body[data-lang="en"] .fr{display:none !important;}
body{background:var(--paper); color:var(--ink); font-family:var(--text); font-size:17px; line-height:1.6; overflow-x:hidden; -webkit-font-smoothing:antialiased;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
ul{list-style:none;}
button{font:inherit; color:inherit;}
h1,h2,h3,h4{font-family:var(--display); font-weight:700; letter-spacing:-0.02em; line-height:1.1; color:var(--ink);}
::selection{background:var(--blue); color:#fff;}
:focus-visible{outline:3px solid var(--blue); outline-offset:3px; border-radius:6px;}
.wrap{max-width:1240px; margin:0 auto; padding:0 32px;}
.wrap-narrow{max-width:900px; margin:0 auto; padding:0 32px;}

/* buttons */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:10px; font-size:16px; font-weight:600; padding:16px 26px; border-radius:999px; cursor:pointer; border:none; line-height:1; transition:background .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);}
.btn-primary{background:var(--blue); color:#fff;}
.btn-primary:hover{background:var(--blue-deep);}
.btn-outline{box-shadow:inset 0 0 0 1.5px var(--ink); color:var(--ink); background:transparent;}
.btn-outline:hover{background:var(--ink); color:#fff;}
.btn-header{padding:11px 18px; font-size:14.5px;}

/* header */
header#site-header{position:fixed; top:0; left:0; right:0; z-index:100; display:flex; align-items:center; justify-content:space-between; gap:24px; padding:14px 32px; border-bottom:1px solid transparent; transition:border-color .2s;}
header#site-header::before{content:''; position:absolute; inset:0; z-index:-1; background:rgba(255,255,255,.94); backdrop-filter:saturate(1.6) blur(14px); -webkit-backdrop-filter:saturate(1.6) blur(14px);}
header#site-header.scrolled{border-color:var(--line);}
.brand{display:flex; align-items:center; gap:10px;}
.logo-plate{display:flex; align-items:center; line-height:0;}
.logo-plate img{height:28px; width:auto;}
nav.main-nav{display:flex; align-items:center; gap:26px; margin-left:auto;}
nav.main-nav a{font-size:15px; font-weight:500; color:var(--ink-2); transition:color .2s var(--ease);}
nav.main-nav a:hover, nav.main-nav a.active{color:var(--ink);}
nav.main-nav a.active{box-shadow:inset 0 -2px 0 var(--blue);}

/* mega-menu (desktop only) */
.nav-item{position:relative;}
.mega-panel{position:absolute; top:100%; left:50%; transform:translateX(-50%) translateY(10px); margin-top:16px; background:#fff; border:1px solid var(--line); border-radius:18px; padding:12px; display:grid; grid-template-columns:1fr 1fr; gap:2px; min-width:540px; opacity:0; visibility:hidden; transition:opacity .2s var(--ease), transform .2s var(--ease), visibility .2s; box-shadow:0 30px 60px -24px rgba(13,27,52,.35); z-index:120;}
.nav-item:hover .mega-panel, .nav-item:focus-within .mega-panel{opacity:1; visibility:visible; transform:translateX(-50%) translateY(0);}
.mega-item{display:flex; align-items:flex-start; gap:12px; padding:12px; border-radius:12px; transition:background .2s var(--ease);}
.mega-item:hover{background:var(--mist);}
.mega-icon{width:36px; height:36px; border-radius:10px; background:rgba(31,94,255,.1); display:flex; align-items:center; justify-content:center; flex-shrink:0; color:var(--blue);}
.mega-icon svg{width:17px; height:17px;}
.mega-text strong{display:block; font-family:var(--display); font-size:15px; font-weight:700; color:var(--ink); margin-bottom:2px;}
.mega-desc{display:block; font-size:13px; color:var(--ink-3); line-height:1.4;}
@media (max-width:1000px){ .mega-panel{display:none !important;} }

/* trust badges (footer) */
.trust-row{display:flex; gap:10px; flex-wrap:wrap; margin-top:18px;}
.trust-badge{display:inline-flex; align-items:center; gap:7px; font-size:13px; color:rgba(255,255,255,.7); border:1px solid rgba(255,255,255,.18); border-radius:999px; padding:6px 12px;}
.trust-badge svg{width:13px; height:13px; flex-shrink:0; color:var(--saffron);}

.header-right{display:flex; align-items:center; gap:14px; position:relative; z-index:70;}
.lang-switch{display:flex; align-items:center; border:1px solid var(--line); border-radius:999px; padding:3px; font-size:12.5px; font-weight:600;}
.lang-switch span{display:none;}
.lang-switch button{background:none; border:none; color:var(--ink-3); cursor:pointer; padding:5px 10px; border-radius:999px; font-weight:600;}
.lang-switch button.active{background:var(--ink); color:#fff;}
.menu-toggle{display:none;}
@media (max-width:1000px){
  nav.main-nav{position:fixed; inset:0; z-index:65; margin:0; background:#fff; flex-direction:column; align-items:flex-start; justify-content:center; gap:8px; padding:90px 28px 40px; transform:translateY(-100%); visibility:hidden; transition:transform .35s var(--ease), visibility .35s;}
  nav.main-nav.open{transform:none; visibility:visible;}
  nav.main-nav a{font-family:var(--display); font-size:32px; font-weight:700; color:var(--ink); letter-spacing:-.02em;}
  nav.main-nav .nav-item{width:100%;}
  .brand{position:relative; z-index:70;}
  .header-right{margin-left:auto;}
  .menu-toggle{display:flex; flex-direction:column; justify-content:center; gap:5px; width:40px; height:40px; align-items:center; background:none; border:none; cursor:pointer;}
  .menu-toggle span{width:22px; height:2px; background:var(--ink); transition:transform .3s, opacity .3s;}
  .menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .menu-toggle.active span:nth-child(2){opacity:0;}
  .menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  header#site-header .btn-header{display:none;}
  body.nav-open{overflow:hidden;}
  body.nav-open .ai-widget{display:none;}
}

/* small labels above headings: plain sentence case, not shouty caps */
.eyebrow{font-size:15px; font-weight:600; color:var(--blue); display:block;}
.section{padding:110px 0;}
.section-head{max-width:760px; margin-bottom:52px;}
.section-head h2{font-size:clamp(32px,4.4vw,54px); font-weight:800; letter-spacing:-.03em; margin-top:10px;}
.section-sub{font-size:18px; color:var(--ink-2); margin-top:16px; max-width:60ch;}
.section-alt{background:var(--mist); color:var(--ink);}
.section-alt .eyebrow{color:var(--blue);}
.section-alt .gray-mute-alt{color:var(--ink-2);}

.reveal{opacity:1; transform:none;}

/* page hero (breadcrumb + H1 + lede) */
.page-hero{padding:150px 0 72px; position:relative; border-bottom:1px solid var(--line);}
.page-hero-bg{display:none;}
.breadcrumbs{display:flex; align-items:center; flex-wrap:wrap; gap:8px; font-size:14px; color:var(--ink-3); margin-bottom:22px;}
.breadcrumbs a{color:var(--ink-3); transition:color .2s var(--ease);}
.breadcrumbs a:hover{color:var(--blue);}
.breadcrumbs span.sep{opacity:.5;}
.breadcrumbs span.current{color:var(--ink); font-weight:600;}
.page-hero h1{font-size:clamp(40px,6vw,78px); font-weight:800; letter-spacing:-.035em; line-height:1.05; margin:14px 0 22px; max-width:18ch;}
.page-hero .lede{font-size:clamp(18px,1.6vw,21px); color:var(--ink-2); max-width:58ch; margin-bottom:34px; line-height:1.5;}
.page-hero .hero-ctas{display:flex; gap:12px; flex-wrap:wrap;}

/* generic content blocks */
.block-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:20px;}
.block-grid.cols-3{grid-template-columns:repeat(3,1fr);}
.block-grid.cols-4{grid-template-columns:repeat(4,1fr);}
.block-card{background:var(--mist); border-radius:var(--radius-lg); padding:32px 30px;}
.section-alt .block-card{background:#fff;}
.block-card h3{font-size:22px; margin-bottom:10px;}
.block-card p{font-size:16px; color:var(--ink-2);}
.block-card::before{content:''; display:block; width:28px; height:4px; border-radius:2px; background:var(--saffron); margin-bottom:18px;}

.check-list{display:grid; gap:14px;}
.check-list li{display:flex; align-items:flex-start; gap:12px; font-size:17px; color:var(--ink-2);}
.check-list li svg{width:20px; height:20px; flex-shrink:0; color:#16a34a; margin-top:2px;}
.check-list.dark li{color:var(--ink-2);}

.value-band{background:var(--ink); color:#fff; border-radius:var(--radius-lg); padding:44px; margin-top:24px;}
.value-band p{font-family:var(--display); font-weight:700; font-size:clamp(20px,2.6vw,28px); color:#fff; max-width:36ch; line-height:1.3;}

.cta-band{padding:100px 0; text-align:center; background:var(--blue); color:#fff;}
.cta-band h2{font-size:clamp(32px,4.6vw,56px); font-weight:800; letter-spacing:-.03em; margin-bottom:16px; color:#fff;}
.cta-band p{color:rgba(255,255,255,.85); max-width:56ch; margin:0 auto 30px; font-size:18px;}
.cta-band .hero-ctas{display:flex; gap:12px; flex-wrap:wrap; justify-content:center;}
.cta-band .btn-primary{background:#fff; color:var(--ink);}
.cta-band .btn-primary:hover{background:var(--saffron);}
.cta-band .btn-outline{box-shadow:inset 0 0 0 1.5px #fff; color:#fff;}
.cta-band .btn-outline:hover{background:#fff; color:var(--ink);}

.related-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
.related-card{background:var(--mist); border-radius:var(--radius-lg); padding:28px; transition:background .2s var(--ease);}
.related-card:hover{background:#e7eaf1;}
.related-card .eyebrow{margin-bottom:10px;}
.related-card h3{font-size:21px; margin-bottom:8px;}
.related-card p{font-size:15px; color:var(--ink-2);}

.hub-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:20px;}
.hub-card{background:var(--mist); border-radius:var(--radius-lg); padding:36px; display:flex; flex-direction:column; gap:12px; transition:background .2s var(--ease);}
.hub-card:hover{background:#e7eaf1;}
.hub-card .num{font-family:var(--display); font-weight:800; font-size:30px; color:var(--blue); line-height:1;}
.hub-card h3{font-size:clamp(24px,2.4vw,30px);}
.hub-card p{font-size:16px; color:var(--ink-2); max-width:48ch;}
.arrow-link{display:inline-flex; align-items:center; gap:8px; font-weight:600; font-size:15.5px; color:var(--ink); margin-top:auto; align-self:flex-start; border-bottom:2px solid var(--ink); padding-bottom:2px;}
.arrow-link svg{width:13px; height:13px; transition:transform .2s var(--ease);}
.hub-card:hover .arrow-link, .block-card.published:hover .arrow-link{color:var(--blue); border-color:var(--blue);}
.hub-card:hover .arrow-link svg, .block-card.published:hover .arrow-link svg{transform:translate(2px,-2px);}
a.block-card.published{display:block; transition:background .2s var(--ease);}
.block-card.published:hover{background:#e7eaf1;}
.block-card .article-date{display:inline-block; font-size:13px; font-weight:600; color:var(--blue); background:rgba(31,94,255,.1); border-radius:999px; padding:6px 12px;}

/* case study */
.case-meta{display:flex; flex-wrap:wrap; gap:10px; margin:24px 0 10px;}
.case-chip{font-size:14px; font-weight:500; border-radius:999px; padding:7px 14px; background:var(--mist); color:var(--ink-2);}
.case-media{border-radius:var(--radius-lg); overflow:hidden; box-shadow:0 0 0 1px rgba(13,27,52,.06), 0 30px 60px -36px rgba(13,27,52,.45); margin:20px 0 60px;}
.case-media img{width:100%; display:block;}
.case-cols{display:grid; grid-template-columns:1fr 1fr; gap:56px;}
.case-cols h3{font-size:24px; margin-bottom:12px;}
.case-cols p{color:var(--ink-2); font-size:17px; margin-bottom:14px;}

/* article / blog post */
.article-meta-row{display:flex; flex-wrap:wrap; align-items:center; gap:12px; margin-top:22px; font-size:14.5px; color:var(--ink-3);}
.article-meta-row .article-category{color:var(--blue); background:rgba(31,94,255,.1); font-weight:600; border-radius:999px; padding:5px 12px;}
.article-meta-row .dot{opacity:.4;}
.article-lang-note{max-width:60ch; margin:20px 0 0; font-size:14px; font-style:italic; color:var(--ink-3);}
.article-body{max-width:720px; margin:0 auto;}
.article-body p{font-size:19px; line-height:1.8; color:var(--ink-2); margin-bottom:24px;}
.article-body p.lead{font-family:var(--display); font-weight:600; color:var(--ink); font-size:clamp(21px,2.4vw,26px); line-height:1.45;}
.article-body h2{font-size:clamp(26px,3.2vw,36px); color:var(--ink); margin:58px 0 20px; line-height:1.2;}
.article-body h3{font-size:22px; color:var(--ink); margin:36px 0 14px;}
.article-body ul, .article-body ol{margin:0 0 26px; padding-left:24px; display:grid; gap:10px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body ul li, .article-body ol li{font-size:18px; line-height:1.7; color:var(--ink-2);}
.article-body strong{color:var(--ink); font-weight:700;}
.article-body .quote-list{list-style:none; padding:0 0 0 22px; margin:0 0 28px; border-left:4px solid var(--saffron); display:grid; gap:12px;}
.article-body .quote-list li{font-style:italic; color:var(--ink); font-size:18px;}
.article-body .flow-diagram{border-radius:var(--radius-lg); padding:30px 24px; margin:0 0 30px; text-align:center; background:var(--mist); display:grid; gap:6px;}
.article-body .flow-diagram .step{font-weight:600; font-size:16px; color:var(--ink);}
.article-body .flow-diagram .arrow{color:var(--blue); font-size:15px;}
.article-divider{height:1px; background:var(--line); margin:0 0 50px;}
.article-share{display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:56px;}
.article-share .label{font-size:14.5px; font-weight:600; color:var(--ink-3); margin-right:4px;}
.share-btn{width:40px; height:40px; border-radius:50%; background:var(--mist); display:flex; align-items:center; justify-content:center; color:var(--ink-2); border:none; cursor:pointer; transition:background .2s var(--ease), color .2s var(--ease);}
.share-btn:hover{background:var(--blue); color:#fff;}
.share-btn svg{width:16px; height:16px;}
.share-btn.copied{background:#16a34a; color:#fff;}

/* footer */
footer.site-footer{background:var(--ink); color:rgba(255,255,255,.75); padding:72px 0 36px; font-size:15.5px;}
footer.site-footer h1, footer.site-footer h2, footer.site-footer h3{color:#fff;}
.footer-top{display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:40px; margin-bottom:56px;}
.footer-brand{max-width:340px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .logo-plate{background:#fff; border-radius:10px; padding:8px 12px;}
.footer-brand .logo-plate img{height:24px;}
.footer-brand p{color:rgba(255,255,255,.7); font-size:15px;}
.footer-nav{display:flex; gap:56px; flex-wrap:wrap;}
.footer-col h5{font-family:var(--display); font-size:16px; font-weight:700; color:#fff; margin-bottom:14px;}
.footer-col a{display:block; font-size:15px; margin-bottom:10px; color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; padding-top:24px; border-top:1px solid rgba(255,255,255,.15); font-size:14px; color:rgba(255,255,255,.55);}

/* welcome widget (same look as homepage) */
.ai-widget{position:fixed; right:22px; bottom:22px; z-index:80; pointer-events:none;}
.ai-fab{pointer-events:auto; width:56px; height:56px; border-radius:50%; background:var(--ink); color:#fff; border:none; cursor:pointer; display:flex; align-items:center; justify-content:center; position:relative; box-shadow:0 0 0 2px #fff, 0 14px 30px -12px rgba(13,27,52,.6); transition:background .2s;}
.ai-fab:hover{background:var(--blue);}
.ai-fab svg{width:22px; height:22px; color:#fff;}
.ai-fab .icon-close{position:absolute; opacity:0;}
.ai-widget.open .ai-fab .icon-chat{opacity:0;}
.ai-widget.open .ai-fab .icon-close{opacity:1;}
.ai-fab .ai-ping{position:absolute; top:2px; right:2px; width:12px; height:12px; border-radius:50%; background:#22c55e; border:2px solid #fff;}
.ai-panel{position:absolute; bottom:72px; right:0; width:330px; max-width:calc(100vw - 32px); background:#fff; color:var(--ink); border-radius:18px; padding:20px; box-shadow:0 24px 60px -20px rgba(13,27,52,.45), 0 0 0 1px rgba(13,27,52,.08); opacity:0; visibility:hidden; pointer-events:none; transform:translateY(10px) scale(.98); transform-origin:bottom right; transition:opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;}
.ai-widget.open .ai-panel{opacity:1; visibility:visible; pointer-events:auto; transform:none;}
.ai-panel-head{display:flex; align-items:center; gap:12px; margin-bottom:14px;}
.ai-avatar{width:40px; height:40px; border-radius:50%; background:var(--blue); display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.ai-avatar svg{width:20px; height:20px; color:#fff;}
.ai-panel-head .ai-id{flex:1;}
.ai-panel-head .ai-name{font-weight:700; font-size:16px;}
.ai-panel-head .ai-status{font-size:13px; color:var(--ink-3);}
.ai-msg{font-size:15px; line-height:1.5; color:var(--ink); background:var(--mist); border-radius:14px; padding:12px 14px; margin-bottom:12px;}
.ai-actions{display:flex; flex-direction:column; gap:6px; margin-bottom:10px;}
.ai-action{display:flex; align-items:center; justify-content:space-between; gap:10px; font-size:14.5px; font-weight:600; padding:11px 14px; border:1px solid var(--line); border-radius:12px; color:var(--ink);}
.ai-action:hover{border-color:var(--blue); color:var(--blue);}
.ai-action svg{width:14px; height:14px; flex-shrink:0;}
.ai-note{font-size:12px; color:var(--ink-3);}
@media (max-width:480px){.ai-widget{right:14px; bottom:14px;} .ai-panel{right:0;}}

/* responsive */
@media (max-width:980px){
  .block-grid{grid-template-columns:1fr;}
  .block-grid.cols-3, .block-grid.cols-4{grid-template-columns:repeat(2,1fr);}
  .hub-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .case-cols{grid-template-columns:1fr; gap:20px;}
}
@media (max-width:720px){
  .wrap, .wrap-narrow{padding:0 20px;}
  header#site-header{padding:12px 20px;}
  .page-hero{padding:118px 0 52px;}
  .section{padding:72px 0;}
  .cta-band{padding:72px 0;}
  .block-grid.cols-3, .block-grid.cols-4{grid-template-columns:1fr;}
  .page-hero .hero-ctas .btn, .cta-band .btn{flex:1 1 100%;}
  .article-body p, .article-body ul li, .article-body ol li{font-size:17px;}
  .article-body h2{margin:46px 0 18px;}
}
@media (prefers-reduced-motion: reduce){*{animation-duration:.001s !important; transition-duration:.001s !important;} html{scroll-behavior:auto;}}

/* hub card label (Solutions / Industries hubs) */
.hub-card .num{font-family:var(--text); font-size:15px; font-weight:600; color:var(--blue); line-height:1.3;}

/* contact page */
.contact-grid{display:grid; grid-template-columns:.8fr 1.2fr; gap:56px; align-items:start;}
.contact-grid h3{font-size:22px !important;}
.contact-form-card{background:#fff; border-radius:var(--radius-lg); padding:36px; box-shadow:0 0 0 1px rgba(13,27,52,.06), 0 40px 80px -40px rgba(13,27,52,.35); display:flex; flex-direction:column; gap:18px;}
.cf-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
.cf-label{display:block; font-size:14.5px; font-weight:600; color:var(--ink); margin-bottom:7px;}
.cf-input{width:100%; font:inherit; font-size:16px; color:var(--ink); background:var(--mist); border:1.5px solid transparent; border-radius:12px; padding:14px 16px; transition:border-color .2s, background .2s, box-shadow .2s;}
textarea.cf-input{resize:vertical; min-height:120px;}
.cf-input:focus{outline:none; background:#fff; border-color:var(--blue); box-shadow:0 0 0 4px rgba(31,94,255,.15);}
.cf-submit{width:100%; background:var(--ink);}
.cf-submit:hover{background:var(--blue);}
.cf-status{font-size:14.5px; color:var(--ink-3); text-align:center;}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr; gap:36px;}}
@media (max-width:560px){.cf-row{grid-template-columns:1fr;} .contact-form-card{padding:24px 20px;}}
.check-list.check-2{grid-template-columns:repeat(2,1fr); gap:16px 40px; max-width:900px;}
@media (max-width:640px){.check-list.check-2{grid-template-columns:1fr;}}