/* ============================================================
   BlueBridge Group — Blog article styles (shared EN/FR/ES)
   Tokens + nav + footer mirror the main site; prose styles are
   article-specific. Linked from /xx/blog/<slug>.html
   ============================================================ */
:root{
  --navy:#00324B; --navy-dark:#001E2E; --navy-mid:#144A6E;
  --gold:#FDD734; --gold-light:#FFE574; --gold-deep:#A37E00;
  --white:#FFFFFF; --off-white:#F7F8FA; --light-gray:#EAEDF2;
  --mid-gray:#8A96A8; --text-dark:#1A2535; --text-body:#3D4F66; --text-muted:#5A6B82;
  --font-display:'Playfair Display',Georgia,serif;
  --font-body:'DM Sans',system-ui,sans-serif;
  --font-mono:ui-monospace,'SF Mono',Menlo,monospace;
  --shadow:0 4px 24px rgba(11,51,88,.10);
  --shadow-lg:0 12px 48px rgba(11,51,88,.16);
  --transition:.25s cubic-bezier(.4,0,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--text-body);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul,ol{list-style:none}
::selection{background:var(--gold);color:var(--navy-dark)}
.container{max-width:var(--container);margin:0 auto;padding:0 2rem}

/* ===== Nav (mirrors site) ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(0,30,46,.97);backdrop-filter:blur(12px);border-bottom:1px solid rgba(253,215,52,.15)}
.nav-inner{max-width:var(--container);margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-logo img{height:46px}
.nav-links{display:flex;align-items:center;gap:.25rem;flex-wrap:nowrap}
.nav-links a,.nav-links button{background:none;border:none;font-family:inherit;cursor:pointer;font-size:.9rem;font-weight:500;color:rgba(255,255,255,.8);padding:.5rem .9rem;border-radius:8px;white-space:nowrap}
.nav-links a:hover,.nav-links button:hover,.nav-links .active{color:#fff;background:rgba(255,255,255,.08)}
.nav-cta{background:var(--gold)!important;color:var(--navy-dark)!important;font-weight:700!important;padding:.55rem 1.25rem!important;margin-left:.5rem}
.nav-cta:hover{background:var(--gold-light)!important}
.lang-switch{display:inline-flex;align-items:center;gap:0;margin-left:.5rem;padding:.15rem;border:1px solid rgba(255,255,255,.18);border-radius:999px}
.lang-switch a{font-size:.72rem;font-weight:600;letter-spacing:.08em;padding:.32rem .68rem;border-radius:999px;color:rgba(255,255,255,.65)}
.lang-switch a:hover{color:#fff}
.lang-switch a.is-active{background:var(--gold);color:var(--navy-dark)}
.nav-links li.lang-item{margin-left:.25rem}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:.5rem;flex-direction:column;gap:5px;z-index:110}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .25s}
.nav.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.nav-open .nav-toggle span:nth-child(2){opacity:0}
.nav.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.skip-link{position:absolute;left:-9999px;top:0;z-index:1000;background:#FDD734;color:#001E2E;padding:.75rem 1.25rem;border-radius:0 0 8px 0;font-weight:700}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid #FDD734;outline-offset:2px}

/* ===== Article hero ===== */
.article-hero{background:var(--navy-dark);padding:3.5rem 0 3rem;position:relative;overflow:hidden}
.article-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(253,215,52,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(253,215,52,.05) 1px,transparent 1px);background-size:60px 60px}
.article-hero .container{position:relative;max-width:860px}
.breadcrumb{font-size:.8rem;color:rgba(255,255,255,.5);margin-bottom:1.5rem;display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}
.breadcrumb a{color:rgba(255,255,255,.7)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{opacity:.4}
.article-cat{display:inline-block;white-space:nowrap;background:rgba(253,215,52,.15);border:1px solid rgba(253,215,52,.4);color:var(--gold);font-size:.7rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;padding:.35rem .85rem;border-radius:100px;margin-bottom:1.25rem}
.article-hero h1{font-family:var(--font-display);font-size:clamp(2rem,4.5vw,3.1rem);font-weight:800;color:#fff;line-height:1.14;letter-spacing:-.01em;margin-bottom:1.25rem}
.article-lede{font-size:clamp(1.05rem,1.6vw,1.22rem);color:rgba(255,255,255,.78);line-height:1.65;max-width:60ch;margin-bottom:1.75rem}
.article-byline{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;font-size:.85rem;color:rgba(255,255,255,.6)}
.article-byline .who{color:#fff;font-weight:600}
.article-byline .dot{width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.6}

/* ===== Article body ===== */
.article-wrap{padding:3.5rem 0 1rem}
.prose{max-width:940px;margin:0 auto;padding:0 2rem}
.prose>p{font-size:1.08rem;line-height:1.8;color:var(--text-body);margin-bottom:1.4rem}
.prose>p:first-of-type{font-size:1.18rem;color:var(--text-dark)}
.prose h2{font-family:var(--font-display);font-size:clamp(1.6rem,3vw,2.05rem);font-weight:700;color:var(--navy);line-height:1.2;letter-spacing:-.01em;margin:3rem 0 1.1rem}
.prose h3{font-family:var(--font-display);font-size:1.3rem;font-weight:700;color:var(--navy);margin:2.2rem 0 .85rem}
.prose a.inline-link{color:var(--navy);font-weight:600;border-bottom:2px solid rgba(253,215,52,.55);padding-bottom:1px}
.prose a.inline-link:hover{border-bottom-color:var(--gold);color:var(--navy-mid)}
.prose ul,.prose ol{margin:0 0 1.5rem;padding:0}
.prose ul li,.prose ol li{position:relative;padding-left:1.6rem;margin-bottom:.65rem;font-size:1.05rem;line-height:1.65;color:var(--text-body)}
.prose ul li::before{content:"";position:absolute;left:.1rem;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.prose ol{counter-reset:li}
.prose ol li{counter-increment:li}
.prose ol li::before{content:counter(li);position:absolute;left:0;top:.05em;font-family:var(--font-mono);font-size:.78rem;font-weight:700;color:var(--gold-deep)}
.prose strong{color:var(--navy);font-weight:700}

/* Figures */
.article-fig{margin:2.5rem auto;max-width:940px;padding:0 2rem;width:100%}
.article-fig img{width:100%;border-radius:14px;box-shadow:var(--shadow-lg);background:var(--navy-dark)}
.article-fig figcaption{font-size:.85rem;color:var(--mid-gray);line-height:1.55;margin-top:.85rem;padding-left:1rem;border-left:3px solid var(--gold)}
/* figures share the prose column width so image and text edges align */

/* Key-point callout */
.callout{background:var(--off-white);border:1px solid var(--light-gray);border-left:4px solid var(--gold);border-radius:12px;padding:1.75rem 1.9rem;margin:2.5rem 0}
.callout .callout-label{font-family:var(--font-mono);font-size:.7rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:.6rem}
.callout p{font-family:var(--font-display);font-size:1.2rem;line-height:1.5;color:var(--navy);font-weight:600;margin:0}

/* Tag row */
.article-tags{max-width:940px;margin:2.5rem auto 0;padding:2rem 2rem 0;border-top:1px solid var(--light-gray);display:flex;flex-wrap:wrap;gap:.55rem;align-items:center}
.article-tags .tags-label{font-family:var(--font-mono);font-size:.68rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--mid-gray);margin-right:.4rem}
.article-tags .tag{font-size:.78rem;font-weight:600;color:var(--navy);background:var(--off-white);border:1px solid var(--light-gray);border-radius:100px;padding:.35rem .85rem}

/* Buttons */
.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:var(--gold);color:var(--navy-dark);font-weight:600;font-size:.95rem;padding:.85rem 2rem;border-radius:8px;border:2px solid var(--gold);cursor:pointer}
.btn-primary:hover{background:var(--gold-light);border-color:var(--gold-light);transform:translateY(-1px);box-shadow:0 6px 20px rgba(253,215,52,.45)}

/* End CTA */
.cta-section{background:var(--navy-dark);padding:5rem 0;text-align:center;position:relative;overflow:hidden;margin-top:3.5rem}
.cta-section::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 60% at 50% 50%,rgba(253,215,52,.06),transparent 70%)}
.cta-section .container{position:relative;max-width:680px}
.cta-section h2{font-family:var(--font-display);font-size:clamp(1.8rem,3.5vw,2.5rem);font-weight:700;color:#fff;margin-bottom:1rem}
.cta-section p{color:rgba(255,255,255,.7);font-size:1.05rem;line-height:1.7;margin:0 auto 2rem}
.cta-contact-info{display:flex;gap:2rem;flex-wrap:wrap;justify-content:center;color:rgba(255,255,255,.65);font-size:.95rem;margin-top:1.5rem}

/* Footer (mirrors site) */
.footer{background:var(--navy-dark);border-top:1px solid rgba(255,255,255,.08);padding:4rem 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.5fr 1fr;gap:3rem;padding-bottom:3rem}
.footer-logo{height:42px;margin-bottom:1rem}
.footer-brand p{color:rgba(255,255,255,.5);font-size:.875rem;line-height:1.65}
.footer-regions{color:var(--gold)!important;font-weight:600;margin-top:.75rem}
.footer h4{color:#fff;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.25rem}
.footer ul li{margin-bottom:.6rem}
.footer ul a{color:rgba(255,255,255,.5);font-size:.875rem}
.footer ul a:hover,.footer-contact a:hover{color:var(--gold)}
.footer-contact p{color:rgba(255,255,255,.5);font-size:.875rem;margin-bottom:.6rem}
.footer-contact a{color:rgba(255,255,255,.5)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:1.5rem 0;text-align:center}
.footer-bottom p{color:rgba(255,255,255,.3);font-size:.8rem}

/* ===== Responsive ===== */
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{position:fixed;top:72px;left:0;right:0;background:rgba(0,30,46,.99);backdrop-filter:blur(12px);flex-direction:column;align-items:stretch;gap:0;padding:1rem 1.25rem 1.6rem;box-shadow:0 18px 32px rgba(0,0,0,.3);border-bottom:1px solid rgba(253,215,52,.15);transform:translateY(-135%);transition:transform .32s cubic-bezier(.4,0,.2,1);max-height:calc(100vh - 72px);overflow-y:auto}
  .nav.nav-open .nav-links{transform:translateY(0)}
  .nav-links li{width:100%}
  .nav-links a,.nav-links button{display:block;width:100%;padding:.95rem .5rem;font-size:1.02rem}
  .nav-cta{margin-left:0!important;text-align:center;margin-top:.6rem}
  .nav-links li.lang-item{margin-left:0;margin-top:.9rem;border-top:1px solid rgba(255,255,255,.1);padding-top:1rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
}
@media (max-width:600px){
  .article-hero{padding:2.5rem 0 2.25rem}
  .article-wrap{padding:2.25rem 0 .5rem}
  .prose,.article-tags,.article-fig{padding-left:1.4rem;padding-right:1.4rem}
  .prose>p:first-of-type{font-size:1.08rem}
  .article-fig{margin:1.75rem auto}
  .callout{padding:1.4rem 1.5rem}
  .footer-grid{grid-template-columns:1fr;gap:1.75rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}