/* =========================================================
   Pinacoteca di Brera — Guida non ufficiale
   Design system: "Gallery Editorial"
   Palette: Brera Blue, Brass Gold, Ivory, Gallery Green
   ========================================================= */

:root{
  --blue:#16263f;        /* Brera deep blue-navy */
  --blue-700:#1f3656;
  --blue-900:#0e1a2c;
  --green:#2f4434;       /* gallery green */
  --gold:#c79a3f;        /* brass */
  --gold-soft:#e3c785;
  --ivory:#f7f3ec;
  --ivory-2:#efe8db;
  --paper:#fffdf9;
  --ink:#1c2128;
  --ink-soft:#454c55;
  --line:#e2d9c8;
  --white:#ffffff;
  --shadow:0 18px 50px -22px rgba(14,26,44,.45);
  --shadow-sm:0 6px 22px -12px rgba(14,26,44,.4);
  --radius:14px;
  --radius-sm:9px;
  --maxw:1180px;
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);color:var(--ink);
  background:var(--ivory);line-height:1.7;font-size:17px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-700);text-decoration:none}
a:hover{color:var(--gold)}

h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.12;color:var(--blue);letter-spacing:.2px}
h1{font-size:clamp(2.1rem,5.2vw,3.7rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);margin:0 0 .6em}
h3{font-size:clamp(1.25rem,2.4vw,1.55rem);margin:1.6em 0 .5em}
h4{font-size:1.12rem;margin:1.3em 0 .4em}
p{margin:0 0 1.05em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.narrow{max-width:860px;margin-inline:auto}

/* ---------- Eyebrow / dividers ---------- */
.eyebrow{
  font-family:var(--sans);font-weight:600;font-size:.78rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold);margin:0 0 .8em;display:inline-block;
}
.eyebrow.on-dark{color:var(--gold-soft)}
.rule{width:64px;height:3px;background:var(--gold);border:0;margin:0 0 1.4em;border-radius:3px}
.rule.center{margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55em;cursor:pointer;
  font-family:var(--sans);font-weight:600;font-size:1rem;line-height:1;
  padding:15px 26px;border-radius:50px;border:2px solid transparent;
  transition:.25s ease;text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--gold);color:#241a04;border-color:var(--gold)}
.btn-primary:hover{background:#b6862c;border-color:#b6862c;color:#241a04;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-dark{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-dark:hover{background:var(--blue-900);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%;justify-content:center}
.btn svg{width:18px;height:18px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,243,236,.92);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand .mark{width:38px;height:38px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text b{font-family:var(--serif);font-size:1.28rem;color:var(--blue);font-weight:700;letter-spacing:.3px}
.brand-text span{font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-top:3px;font-weight:600}

.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  font-size:.93rem;font-weight:500;color:var(--blue);padding:9px 12px;border-radius:8px;
  transition:.2s;white-space:nowrap;
}
.main-nav a:hover,.main-nav a.active{background:rgba(22,38,63,.07);color:var(--blue)}

.header-actions{display:flex;align-items:center;gap:10px}

/* language switcher */
.lang{position:relative}
.lang-btn{
  display:flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--line);
  border-radius:8px;padding:8px 11px;font-family:var(--sans);font-size:.86rem;font-weight:600;
  color:var(--blue);cursor:pointer;
}
.lang-btn:hover{border-color:var(--gold)}
.lang-btn svg{width:15px;height:15px}
.lang-menu{
  position:absolute;right:0;top:calc(100% + 8px);background:var(--white);border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);padding:8px;min-width:215px;max-height:340px;overflow:auto;
  display:none;grid-template-columns:1fr 1fr;gap:2px;
}
.lang-menu.open{display:grid}
.lang-menu a{font-size:.85rem;padding:8px 10px;border-radius:7px;color:var(--ink);display:flex;gap:7px;align-items:center}
.lang-menu a:hover{background:var(--ivory)}
.lang-menu a.current{background:var(--blue);color:#fff}

.nav-toggle{display:none;background:transparent;border:0;cursor:pointer;padding:6px;width:42px;height:42px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--blue);margin:5px auto;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--blue-900)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(14,26,44,.55) 0%,rgba(14,26,44,.78) 60%,rgba(14,26,44,.92) 100%)}
.hero-inner{position:relative;z-index:2;padding:64px 0 56px;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.hero h1{color:#fff;margin:.1em 0 .35em}
.hero p.lead{font-size:1.15rem;color:#e9e3d6;max-width:33em;margin-bottom:1.6em}
.hero .eyebrow{color:var(--gold-soft)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16)}
.hero-meta div{min-width:90px}
.hero-meta b{display:block;font-family:var(--serif);font-size:1.5rem;color:var(--gold-soft)}
.hero-meta span{font-size:.8rem;color:#cdd5e0;letter-spacing:.03em}

/* booking widget card in hero */
.booking-card{background:var(--paper);color:var(--ink);border-radius:18px;padding:22px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.4)}
.booking-card h2{font-size:1.3rem;margin:0 0 .2em;color:var(--blue)}
.booking-card .sub{font-size:.9rem;color:var(--ink-soft);margin-bottom:14px}
.booking-card .gyg-wrap{min-height:60px}
.booking-card .reassure{display:flex;flex-wrap:wrap;gap:10px 16px;margin-top:14px;font-size:.82rem;color:var(--ink-soft)}
.booking-card .reassure span{display:flex;align-items:center;gap:5px}
.booking-card .reassure svg{width:15px;height:15px;color:var(--green)}

/* mini disclaimer in hero */
.hero-disclaimer{position:relative;z-index:2;display:inline-flex;align-items:center;gap:6px;
  margin-top:18px;font-size:.74rem;color:#c2cad6;cursor:help;border-bottom:1px dotted #8c97a8;padding-bottom:1px}
.hero-disclaimer svg{width:13px;height:13px;opacity:.8}

/* ---------- Sections ---------- */
section{position:relative}
.section{padding:66px 0}
.section.tight{padding:48px 0}
.section.ivory{background:var(--ivory)}
.section.paper{background:var(--paper)}
.section.blue{background:var(--blue);color:#e9e3d6}
.section.blue h2,.section.blue h3{color:#fff}
.section.blue .eyebrow{color:var(--gold-soft)}
.section.green{background:var(--green);color:#e7ecdf}
.section.green h2,.section.green h3{color:#fff}
.section-head{margin-bottom:38px}
.section-head.center{text-align:center}
.section-head.center .rule{margin-inline:auto}
.section-head p{color:var(--ink-soft);max-width:60ch}
.section-head.center p{margin-inline:auto}
.section.blue .section-head p{color:#c8d0dc}

/* widget band (tiqets) */
.widget-band{background:var(--ivory-2);padding:30px 0}
.widget-band .container > p{font-size:.82rem;color:var(--ink-soft);margin:14px 0 0;text-align:center}

/* ---------- Quick facts table ---------- */
.facts{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.facts-head{background:var(--blue);color:#fff;padding:16px 22px;font-family:var(--serif);font-size:1.25rem;display:flex;align-items:center;gap:9px}
.facts-head svg{width:20px;height:20px;color:var(--gold-soft)}
.facts table{width:100%;border-collapse:collapse}
.facts td{padding:14px 22px;border-top:1px solid var(--line);vertical-align:top}
.facts td:first-child{font-weight:600;color:var(--blue);width:42%}
.facts td:last-child{color:var(--ink-soft)}
.facts tr:first-child td{border-top:0}
.badge{display:inline-block;background:#e8f0e4;color:#2f5d36;font-size:.74rem;font-weight:700;
  padding:3px 9px;border-radius:30px;letter-spacing:.02em}
.badge.warn{background:#fbeede;color:#9a5a13}
.badge.info{background:#e4ecf6;color:#274a74}

/* ---------- Cards grid (framed art motif) ---------- */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:.28s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card-img{aspect-ratio:3/2;overflow:hidden;position:relative}
.card-img img{width:100%;height:100%;object-fit:cover;transition:.5s}
.card:hover .card-img img{transform:scale(1.06)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{margin:0 0 .35em;font-size:1.3rem}
.card-body p{font-size:.95rem;color:var(--ink-soft);margin-bottom:1em}
.card-link{margin-top:auto;font-weight:600;font-size:.92rem;color:var(--gold);display:inline-flex;align-items:center;gap:6px}
.card-link svg{width:15px;height:15px;transition:.2s}
.card:hover .card-link svg{transform:translateX(4px)}

/* framed painting cards */
.frame{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;box-shadow:var(--shadow-sm)}
.frame .pic{border:6px solid var(--blue);outline:2px solid var(--gold);outline-offset:-9px;overflow:hidden;border-radius:3px;aspect-ratio:4/5}
.frame .pic img{width:100%;height:100%;object-fit:cover}
.frame figcaption{padding:12px 6px 4px;text-align:center}
.frame figcaption b{display:block;font-family:var(--serif);font-size:1.2rem;color:var(--blue);font-weight:700}
.frame figcaption span{font-size:.82rem;color:var(--ink-soft)}

/* artwork list rows */
.artwork{display:grid;grid-template-columns:140px 1fr;gap:22px;align-items:center;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:18px;box-shadow:var(--shadow-sm)}
.artwork .thumb{aspect-ratio:1;border-radius:10px;overflow:hidden;border:3px solid var(--blue);outline:2px solid var(--gold);outline-offset:-6px}
.artwork .thumb img{width:100%;height:100%;object-fit:cover}
.artwork h3{margin:0 0 .25em;font-size:1.32rem}
.artwork .meta{font-size:.82rem;color:var(--gold);font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.5em}
.artwork p{font-size:.96rem;color:var(--ink-soft);margin:0}

/* ---------- Feature / split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.split.reverse .split-media{order:2}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow)}
.split-media{position:relative}
.split-media .tag{position:absolute;left:18px;bottom:18px;background:var(--gold);color:#241a04;
  font-size:.78rem;font-weight:700;padding:7px 14px;border-radius:30px;box-shadow:var(--shadow-sm)}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;gap:20px}
.step{display:grid;grid-template-columns:48px 1fr;gap:18px;align-items:start;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm)}
.step::before{counter-increment:step;content:counter(step);
  width:48px;height:48px;border-radius:50%;background:var(--blue);color:var(--gold-soft);
  font-family:var(--serif);font-size:1.4rem;font-weight:700;display:flex;align-items:center;justify-content:center}
.step h3{margin:.1em 0 .3em;font-size:1.18rem}
.step p{margin:0;font-size:.95rem;color:var(--ink-soft)}

/* ---------- Tips / callouts ---------- */
.callout{border-left:4px solid var(--gold);background:var(--ivory-2);padding:18px 22px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:1.6em 0}
.callout.tip{border-color:var(--green);background:#eef3ea}
.callout.warn{border-color:#d98a2b;background:#fbf1e3}
.callout b{color:var(--blue);font-family:var(--serif);font-size:1.15rem}
.callout p{margin:.3em 0 0;font-size:.95rem;color:var(--ink-soft)}

/* expert quote */
.expert{display:grid;grid-template-columns:64px 1fr;gap:18px;background:var(--blue);color:#e9e3d6;
  padding:26px 28px;border-radius:var(--radius);margin:2em 0;box-shadow:var(--shadow)}
.expert .av{width:64px;height:64px;border-radius:50%;background:var(--gold);color:#241a04;
  display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:1.6rem;font-weight:700}
.expert p{margin:0 0 .5em;font-style:italic;font-size:1.05rem;color:#f1ece0}
.expert cite{font-style:normal;font-size:.85rem;color:var(--gold-soft);font-weight:600}

/* ---------- Comparison table ---------- */
.compare{width:100%;border-collapse:separate;border-spacing:0;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.compare th,.compare td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem}
.compare thead th{background:var(--blue);color:#fff;font-family:var(--serif);font-size:1.1rem;font-weight:700}
.compare tbody tr:last-child td{border-bottom:0}
.compare td:first-child{font-weight:600;color:var(--blue)}
.compare .yes{color:#2f7d3a;font-weight:700}
.compare .no{color:#b23b3b;font-weight:700}
.compare tbody tr:nth-child(even){background:var(--ivory)}

/* price cards */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.price{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;box-shadow:var(--shadow-sm);position:relative}
.price.feat{border:2px solid var(--gold);box-shadow:var(--shadow)}
.price .tier{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);font-weight:700}
.price .amt{font-family:var(--serif);font-size:2.7rem;color:var(--blue);font-weight:700;margin:.1em 0}
.price .amt small{font-size:1rem;color:var(--ink-soft)}
.price ul{list-style:none;padding:0;margin:14px 0 0;text-align:left}
.price li{padding:7px 0 7px 26px;position:relative;font-size:.92rem;color:var(--ink-soft);border-top:1px solid var(--line)}
.price li::before{content:"";position:absolute;left:0;top:13px;width:14px;height:14px;border-radius:50%;
  background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/10px no-repeat}
.price .pill{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--gold);
  color:#241a04;font-size:.72rem;font-weight:700;padding:5px 14px;border-radius:30px;letter-spacing:.05em}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin-inline:auto}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;background:var(--paper);overflow:hidden}
.faq-q{width:100%;text-align:left;background:transparent;border:0;cursor:pointer;padding:18px 22px;
  font-family:var(--sans);font-weight:600;font-size:1.02rem;color:var(--blue);display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q::after{content:"+";font-size:1.5rem;color:var(--gold);flex:none;transition:.25s;line-height:1}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px}
.faq-item.open .faq-a{max-height:600px;padding-bottom:18px}
.faq-a p{margin:0;color:var(--ink-soft);font-size:.96rem}

/* ---------- Prose blocks ---------- */
.prose h2{margin-top:1.6em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin-bottom:.5em}
.prose li::marker{color:var(--gold)}
.prose img{border-radius:var(--radius);box-shadow:var(--shadow-sm);margin:1.4em 0}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:.82rem;color:var(--ink-soft);text-align:center;margin-top:.6em;font-style:italic}
.prose blockquote{border-left:4px solid var(--gold);margin:1.4em 0;padding:.4em 0 .4em 1.2em;
  font-family:var(--serif);font-size:1.3rem;color:var(--blue);font-style:italic}
.source-note{font-size:.82rem;color:var(--ink-soft);font-style:italic;border-top:1px dashed var(--line);padding-top:10px;margin-top:8px}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--blue) 0%,var(--blue-900) 100%);color:#fff;text-align:center;padding:60px 0}
.cta-band h2{color:#fff}
.cta-band p{color:#cdd5e0;max-width:54ch;margin-inline:auto;margin-bottom:1.6em}
.cta-band .btn-primary{font-size:1.08rem;padding:17px 34px}

/* ---------- TOC ---------- */
.toc{background:var(--ivory-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin-bottom:34px}
.toc b{font-family:var(--serif);color:var(--blue);font-size:1.15rem}
.toc ul{columns:2;column-gap:30px;list-style:none;padding:0;margin:12px 0 0}
.toc li{margin-bottom:8px}
.toc a{font-size:.93rem;color:var(--blue-700);display:flex;gap:7px;align-items:baseline}
.toc a::before{content:"—";color:var(--gold)}

/* ---------- Breadcrumb ---------- */
.crumb{font-size:.82rem;color:var(--ink-soft);padding:16px 0 0}
.crumb a{color:var(--ink-soft)}
.crumb a:hover{color:var(--gold)}
.crumb span{color:var(--blue)}

/* ---------- Footer ---------- */
.site-footer{background:var(--blue-900);color:#b9c2d0;padding:54px 0 26px;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:38px;margin-bottom:36px}
.footer-grid h4{color:#fff;font-family:var(--sans);font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin:0 0 16px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin-bottom:9px}
.footer-grid a{color:#b9c2d0}
.footer-grid a:hover{color:var(--gold-soft)}
.footer-brand .brand-text b{color:#fff}
.footer-brand p{font-size:.88rem;color:#9aa6b6;margin-top:14px;max-width:34ch}
.footer-disclaimer{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);
  padding:18px 22px;font-size:.8rem;color:#97a3b4;line-height:1.6;margin-bottom:26px}
.footer-disclaimer b{color:var(--gold-soft)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:#8593a6}
.footer-bottom a{color:#8593a6}
.footer-bottom a:hover{color:var(--gold-soft)}

/* contact/about specific */
.info-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.info-card h3{margin-top:0}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line)}
.contact-list li:first-child{border-top:0}
.contact-list svg{width:20px;height:20px;color:var(--gold);flex:none;margin-top:3px}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:46px 0 44px}
  .split,.split.reverse{grid-template-columns:1fr;gap:30px}
  .split.reverse .split-media{order:0}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .price-grid{grid-template-columns:1fr}
}
@media(max-width:820px){
  .main-nav{position:fixed;inset:72px 0 auto 0;background:var(--ivory);flex-direction:column;
    align-items:stretch;padding:14px 18px 22px;gap:2px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);transform:translateY(-120%);transition:.32s;max-height:calc(100vh - 72px);overflow:auto}
  .main-nav.open{transform:translateY(0)}
  .main-nav a{padding:13px 12px;border-radius:8px;font-size:1rem;border-bottom:1px solid var(--line)}
  .main-nav a:last-child{border-bottom:0}
  .nav-toggle{display:block}
  .header-actions .btn-cta-header{display:none}
}
@media(max-width:680px){
  body{font-size:16px}
  .section{padding:50px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .artwork{grid-template-columns:1fr}
  .artwork .thumb{aspect-ratio:16/10;max-height:200px}
  .toc ul{columns:1}
  .hero-meta{gap:16px}
  .hero-meta b{font-size:1.25rem}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .lang-menu{grid-template-columns:1fr;min-width:170px}
  .expert{grid-template-columns:1fr}
  .expert .av{display:none}
}

/* utilities */
.text-center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}