:root{
    --bg:        #10181a;
    --bg-panel:  #182325;
    --bg-panel2: #1e2c2e;
    --line:      #2c3d3c;
    --paper:     #ede7d9;
    --paper-dim: #b9b3a2;
    --amber:     #e3a54a;
    --amber-dim: #8a672f;
    --signal:    #5fae82;
    --signal-dim:#33473c;
    --red-tag:   #c1613f;

    --mono: 'JetBrains Mono', monospace;
    --serif: 'Literata', serif;
  }

  *{ box-sizing:border-box; margin:0; padding:0; }
  html{ scroll-behavior:smooth; }
  body{
    background:var(--bg);
    color:var(--paper);
    font-family:var(--serif);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  a{ color:inherit; text-decoration:none; }
  img{ max-width:100%; display:block; }
  ul{ list-style:none; }
  .mono{ font-family:var(--mono); }

  :focus-visible{ outline:2px solid var(--amber); outline-offset:3px; }

  .wrap{ max-width:1180px; margin:0 auto; padding:0 28px; }

  @media (prefers-reduced-motion: reduce){
    *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; }
  }

  /* ===== dial tick divider ===== */
  .tick-divider{
    height:18px;
    background-image:repeating-linear-gradient(
      90deg, var(--line) 0 1px, transparent 1px 12px
    );
    background-position:center;
    opacity:.6;
    position:relative;
  }
  .tick-divider::after{
    content:"";
    position:absolute; inset:0;
    background:linear-gradient(90deg, var(--bg), transparent 15%, transparent 85%, var(--bg));
  }

  /* ===== header ===== */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(16,24,26,.92);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 28px;
    max-width:1180px; margin:0 auto;
  }
  .callsign-mark{
    font-family:var(--mono); font-weight:800; font-size:1.15rem;
    letter-spacing:.06em; color:var(--paper);
    display:flex; align-items:center; gap:12px;
  }
  .callsign-mark .dot{
    width:8px; height:8px; border-radius:50%;
    background:var(--signal);
    box-shadow:0 0 8px 2px var(--signal);
  }
  .callsign-mark img.logo{
    width:38px; height:38px; display:block;
  }
  .footer-callsign img.logo{
    width:52px; height:52px; display:block; margin-bottom:12px;
  }
  .nav-links{ display:flex; gap:30px; align-items:center; }
  .nav-links a{
    font-family:var(--mono); font-size:.8rem; letter-spacing:.05em;
    text-transform:uppercase; color:var(--paper-dim);
    padding:6px 2px; border-bottom:1px solid transparent;
    transition:color .15s, border-color .15s;
  }
  .nav-links a:hover{ color:var(--amber); border-color:var(--amber); }

  .lang-switch{
    display:flex; align-items:center;
    font-family:var(--mono); font-size:.72rem; letter-spacing:.05em;
    border:1px solid var(--line); border-radius:100px;
    padding:3px; gap:2px; background:var(--bg-panel);
  }
  .lang-switch a{
    font-family:inherit; font-size:inherit; letter-spacing:inherit;
    background:none; color:var(--paper-dim);
    padding:5px 12px; border-radius:100px;
    transition:background .15s, color .15s;
  }
  .lang-switch a.active{ background:var(--amber); color:#1a1206; }
  .lang-switch a:not(.active):hover{ color:var(--paper); }

  .nav-right{ display:flex; align-items:center; gap:18px; }
  .social-ico{ display:flex; gap:14px; }
  .social-ico a{ color:var(--paper-dim); transition:color .15s; }
  .social-ico a:hover{ color:var(--signal); }
  .burger{ display:none; }

  @media (max-width:860px){
    .nav-links{ display:none; }
    .burger{ display:block; }
  }

  /* ===== hero ===== */
  .hero{
    position:relative; overflow:hidden;
    padding:96px 0 80px;
    border-bottom:1px solid var(--line);
  }
  .contours{
    position:absolute; inset:0; z-index:0; opacity:.5;
    pointer-events:none;
  }
  .hero .wrap{ position:relative; z-index:1; }
  .eyebrow{
    font-family:var(--mono); font-size:.78rem; letter-spacing:.14em;
    text-transform:uppercase; color:var(--signal);
    display:flex; align-items:center; gap:10px; margin-bottom:22px;
  }
  .eyebrow::before{
    content:""; width:22px; height:1px; background:var(--signal);
  }
  h1.readout{
    font-family:var(--mono); font-weight:800;
    font-size:clamp(2.6rem, 8vw, 5.6rem);
    letter-spacing:-.01em;
    color:var(--paper);
    line-height:1;
  }
  h1.readout .freq{
    color:var(--amber);
    font-size:.34em;
    display:block; margin-top:14px; font-weight:500;
    letter-spacing:.08em;
  }
  .hero-lede{
    max-width:560px; margin-top:26px;
    font-size:1.18rem; color:var(--paper-dim);
  }
  .hero-ctas{ display:flex; gap:16px; margin-top:38px; flex-wrap:wrap; }
  .btn{
    font-family:var(--mono); font-size:.82rem; letter-spacing:.04em;
    text-transform:uppercase; padding:14px 24px;
    border-radius:2px; border:1px solid var(--amber);
    display:inline-flex; align-items:center; gap:10px;
    transition:background .15s, color .15s, transform .15s;
  }
  .btn-solid{ background:var(--amber); color:#1a1206; }
  .btn-solid:hover{ transform:translateY(-2px); }
  .btn-ghost{ color:var(--paper); border-color:var(--line); }
  .btn-ghost:hover{ border-color:var(--signal); color:var(--signal); }

  /* ===== section headings ===== */
  .section{ padding:84px 0; }
  .section-head{
    display:flex; justify-content:space-between; align-items:flex-end;
    gap:20px; margin-bottom:44px; flex-wrap:wrap;
    border-bottom:1px solid var(--line); padding-bottom:22px;
  }
  .section-head .tag-label{
    font-family:var(--mono); font-size:.75rem; letter-spacing:.14em;
    text-transform:uppercase; color:var(--amber); margin-bottom:10px; display:block;
  }
  .section-head h2{
    font-family:var(--serif); font-weight:600;
    font-size:clamp(1.7rem, 3.4vw, 2.5rem);
    color:var(--paper);
  }
  .section-head p{ color:var(--paper-dim); max-width:420px; font-size:.98rem; }

  /* ===== filter pills ===== */
  .filters{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:36px; }
  .filters button{
    font-family:var(--mono); font-size:.74rem; letter-spacing:.05em;
    text-transform:uppercase; color:var(--paper-dim);
    background:var(--bg-panel); border:1px solid var(--line);
    padding:8px 16px; border-radius:100px; cursor:pointer;
    transition:all .15s;
  }
  .filters button:hover{ border-color:var(--signal); color:var(--signal); }
  .filters button.active{ background:var(--signal-dim); border-color:var(--signal); color:var(--paper); }

  /* ===== QSL project cards (signature element) ===== */
  .qsl-grid{
    display:grid; grid-template-columns:repeat(auto-fill, minmax(300px,1fr));
    gap:26px;
  }
  .qsl{
    position:relative;
    background:var(--paper);
    color:#1c1712;
    border-radius:3px;
    padding:18px 18px 20px;
    box-shadow:0 14px 30px -12px rgba(0,0,0,.55);
    transform:rotate(var(--r,0deg));
    transition:transform .22s ease, box-shadow .22s ease;
    background-image:
      radial-gradient(circle, #10181a 1.6px, transparent 1.6px);
    background-size:14px 14px;
    background-position:-6px -6px;
  }
  .qsl:nth-child(3n+1){ --r:-1.1deg; }
  .qsl:nth-child(3n+2){ --r:0.7deg; }
  .qsl:nth-child(3n+3){ --r:-0.4deg; }
  .qsl:hover{ transform:rotate(0deg) translateY(-6px); box-shadow:0 22px 40px -14px rgba(0,0,0,.6); }

  .qsl-inner{
    background:#f7f2e6; border:1px solid #d8cfb8; border-radius:2px;
    overflow:hidden; display:block;
  }
  .qsl-photo{
    height:180px; width:100%; object-fit:cover; display:block;
    filter:sepia(.08) contrast(1.03);
    border-bottom:1px dashed #c9bfa4;
  }
  .qsl-body{ padding:16px 16px 18px; }
  .qsl-row{
    display:flex; justify-content:space-between; align-items:center;
    font-family:var(--mono); font-size:.68rem; letter-spacing:.04em;
    text-transform:uppercase; color:#7a6f57; margin-bottom:10px;
  }
  .qsl-row .band{ color:var(--red-tag); font-weight:700; }
  .qsl h3{
    font-family:var(--serif); font-weight:700; font-size:1.14rem;
    color:#1c1712; margin-bottom:8px; line-height:1.3;
  }
  .qsl p.excerpt{ font-size:.92rem; color:#4b4436; margin-bottom:12px; }
  .qsl-tags{ display:flex; gap:6px; flex-wrap:wrap; }
  .qsl-tags span{
    font-family:var(--mono); font-size:.62rem; letter-spacing:.03em;
    text-transform:uppercase; padding:3px 8px; border:1px solid #b8ac8c;
    border-radius:100px; color:#5c5236;
  }
  .qsl-stamp{
    position:absolute; top:14px; right:16px;
    width:46px; height:46px; border:2px solid var(--red-tag);
    border-radius:50%; display:flex; align-items:center; justify-content:center;
    transform:rotate(8deg);
    font-family:var(--mono); font-size:.52rem; font-weight:700;
    color:var(--red-tag); text-align:center; line-height:1.15;
    letter-spacing:.02em;
  }

  /* ===== chi sono teaser ===== */
  .about-teaser{
    display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;
  }
  .about-photo{
    aspect-ratio:4/5; border-radius:3px; overflow:hidden;
    border:1px solid var(--line); position:relative;
  }
  .about-photo img{ width:100%; height:100%; object-fit:cover; }
  .about-copy p{ color:var(--paper-dim); margin-bottom:18px; font-size:1.03rem; }
  .about-copy strong{ color:var(--paper); }
  @media (max-width:820px){ .about-teaser{ grid-template-columns:1fr; } }

  /* ===== equipment strip ===== */
  .eq-grid{
    display:grid; grid-template-columns:repeat(auto-fit, minmax(220px,1fr));
    gap:1px; background:var(--line); border:1px solid var(--line);
  }
  .eq-card{
    background:var(--bg-panel); padding:26px 22px;
    transition:background .15s;
  }
  .eq-card:hover{ background:var(--bg-panel2); }
  .eq-card .idx{ font-family:var(--mono); color:var(--signal); font-size:.74rem; letter-spacing:.08em; }
  .eq-card h4{ font-family:var(--serif); font-size:1.15rem; margin:10px 0 8px; color:var(--paper); }
  .eq-card p{ font-size:.88rem; color:var(--paper-dim); }

  /* ===== footer ===== */
  footer{ padding:60px 0 40px; }
  .footer-top{
    display:flex; justify-content:space-between; align-items:center;
    flex-wrap:wrap; gap:24px; padding-bottom:32px;
  }
  .footer-callsign{ font-family:var(--mono); font-weight:800; font-size:1.3rem; }
  .footer-tagline{ color:var(--paper-dim); font-size:.92rem; margin-top:6px; max-width:320px; }
  .footer-links{ display:flex; gap:26px; flex-wrap:wrap; }
  .footer-links a{
    font-family:var(--mono); font-size:.76rem; letter-spacing:.04em;
    text-transform:uppercase; color:var(--paper-dim);
  }
  .footer-links a:hover{ color:var(--amber); }
  .footer-bottom{
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
    font-family:var(--mono); font-size:.7rem; color:var(--paper-dim); opacity:.7;
  }

  /* ===== ultimi video carousel ===== */
  .video-rail{
    display:flex; gap:20px; overflow-x:auto; padding-bottom:10px;
    scroll-snap-type:x proximity;
    margin-bottom:56px;
  }
  .video-rail::-webkit-scrollbar{ height:6px; }
  .video-rail::-webkit-scrollbar-thumb{ background:var(--line); border-radius:10px; }
  .video-card{
    flex:0 0 280px; scroll-snap-align:start;
    background:var(--bg-panel); border:1px solid var(--line); border-radius:4px;
    overflow:hidden; transition:transform .15s, border-color .15s;
  }
  .video-card:hover{ transform:translateY(-4px); border-color:var(--signal); }
  .video-thumb{ position:relative; aspect-ratio:16/9; overflow:hidden; background:#000; }
  .video-thumb img{ width:100%; height:100%; object-fit:cover; }
  .video-play{
    position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
    background:rgba(16,24,26,.15);
  }
  .video-play span{
    width:46px; height:46px; border-radius:50%; background:rgba(16,24,26,.75);
    color:var(--amber); display:flex; align-items:center; justify-content:center;
    font-size:1rem; border:1px solid var(--amber);
  }
  .video-card-body{ padding:14px 16px 16px; }
  .video-card-body h4{
    font-family:var(--serif); font-size:.98rem; font-weight:600;
    color:var(--paper); line-height:1.3; margin-bottom:6px;
  }
  .video-card-body span{
    font-family:var(--mono); font-size:.68rem; letter-spacing:.04em;
    text-transform:uppercase; color:var(--signal);
  }
  .video-rail-more{
    flex:0 0 160px; scroll-snap-align:start;
    display:flex; align-items:center; justify-content:center;
    border:1px dashed var(--line); border-radius:4px;
    color:var(--paper-dim); font-family:var(--mono); font-size:.78rem;
    text-align:center; padding:20px; letter-spacing:.03em;
  }
  .video-rail-more:hover{ color:var(--amber); border-color:var(--amber); }

  /* ===== cookie banner ===== */
  #cookie-banner{
    position:fixed; left:20px; right:20px; bottom:20px; z-index:200;
    max-width:640px; margin:0 auto;
    background:var(--bg-panel2); border:1px solid var(--line);
    border-radius:6px; box-shadow:0 20px 50px -14px rgba(0,0,0,.6);
    padding:22px 24px; display:none;
  }
  #cookie-banner.show{ display:block; }
  #cookie-banner p{ font-size:.88rem; color:var(--paper-dim); margin-bottom:16px; line-height:1.55; }
  #cookie-banner p a{ color:var(--amber); border-bottom:1px solid var(--amber-dim); }
  .cookie-actions{ display:flex; gap:10px; flex-wrap:wrap; }
  .cookie-actions button{
    font-family:var(--mono); font-size:.74rem; letter-spacing:.03em;
    text-transform:uppercase; padding:10px 16px; border-radius:3px;
    cursor:pointer; border:1px solid var(--line); background:transparent; color:var(--paper);
  }
  .cookie-actions button.primary{ background:var(--amber); color:#1a1206; border-color:var(--amber); }
  .cookie-actions button:hover{ border-color:var(--signal); }
  .cookie-actions button.primary:hover{ opacity:.9; border-color:var(--amber); }

  .cookie-panel{
    position:fixed; inset:0; background:rgba(8,12,13,.7); z-index:210;
    display:none; align-items:center; justify-content:center; padding:20px;
  }
  .cookie-panel.show{ display:flex; }
  .cookie-panel-inner{
    background:var(--bg-panel2); border:1px solid var(--line); border-radius:6px;
    max-width:560px; width:100%; padding:28px; max-height:86vh; overflow-y:auto;
  }
  .cookie-panel-inner h3{ font-family:var(--serif); font-size:1.3rem; margin-bottom:16px; }
  .cookie-cat{ border-top:1px solid var(--line); padding:16px 0; }
  .cookie-cat-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom:6px; }
  .cookie-cat-head strong{ font-family:var(--mono); font-size:.82rem; letter-spacing:.03em; text-transform:uppercase; }
  .cookie-cat p{ font-size:.84rem; color:var(--paper-dim); margin-bottom:0; }
  .switch{ position:relative; width:42px; height:24px; flex:0 0 42px; }
  .switch input{ opacity:0; width:0; height:0; }
  .switch .slider{
    position:absolute; inset:0; background:var(--line); border-radius:100px; cursor:pointer; transition:.15s;
  }
  .switch .slider::before{
    content:""; position:absolute; width:18px; height:18px; left:3px; top:3px;
    background:var(--paper); border-radius:50%; transition:.15s;
  }
  .switch input:checked + .slider{ background:var(--signal); }
  .switch input:checked + .slider::before{ transform:translateX(18px); }
  .switch input:disabled + .slider{ opacity:.5; cursor:not-allowed; }
  .cookie-panel-actions{ display:flex; gap:10px; margin-top:22px; flex-wrap:wrap; }

  /* ===== article pages ===== */
  .article-crumbs{
    font-family:var(--mono); font-size:.74rem; letter-spacing:.03em;
    color:var(--paper-dim); padding:24px 0 0;
  }
  .article-crumbs a{ color:var(--signal); }
  .article-header{ padding:20px 0 40px; max-width:820px; }
  .article-header .qsl-tags{ margin-bottom:18px; }
  .article-header .qsl-tags span{
    font-family:var(--mono); font-size:.68rem; letter-spacing:.03em; text-transform:uppercase;
    padding:4px 10px; border:1px solid var(--line); border-radius:100px; color:var(--paper-dim);
    display:inline-block; margin-right:6px;
  }
  .article-header h1{
    font-family:var(--serif); font-weight:700; font-size:clamp(2rem, 4.4vw, 3rem);
    color:var(--paper); line-height:1.15; margin-bottom:18px;
  }
  .article-meta{
    display:flex; gap:18px; flex-wrap:wrap; align-items:center;
    font-family:var(--mono); font-size:.78rem; color:var(--paper-dim);
    letter-spacing:.02em;
  }
  .article-meta .stamp-mini{
    display:inline-flex; align-items:center; justify-content:center;
    width:34px; height:34px; border:1.5px solid var(--red-tag); border-radius:50%;
    color:var(--red-tag); font-size:.62rem; font-weight:700;
  }
  .article-hero-img{
    width:100%; max-height:520px; object-fit:cover; border-radius:4px;
    border:1px solid var(--line); margin-bottom:44px;
  }
  .article-body{ max-width:760px; }
  .article-body h2{ font-family:var(--serif); font-size:1.5rem; color:var(--paper); margin:36px 0 16px; }
  .article-body h3{ font-family:var(--mono); font-size:.85rem; text-transform:uppercase; letter-spacing:.04em; color:var(--amber); margin:28px 0 12px; }
  .article-body p{ color:var(--paper-dim); font-size:1.02rem; margin-bottom:18px; }
  .article-body ul{ list-style:disc; padding-left:22px; margin-bottom:18px; }
  .article-body li{ color:var(--paper-dim); margin-bottom:8px; }
  .article-body strong{ color:var(--paper); }
  .article-body blockquote{
    border-left:2px solid var(--amber); padding:4px 0 4px 20px; margin:28px 0;
    color:var(--paper); font-style:italic; font-size:1.05rem;
  }
  .article-video-cta{
    display:flex; align-items:center; gap:16px; margin:36px 0;
    background:var(--bg-panel); border:1px solid var(--line); border-radius:6px;
    padding:18px 20px; max-width:520px; transition:border-color .15s;
  }
  .article-video-cta:hover{ border-color:var(--signal); }
  .article-video-cta img{ width:120px; border-radius:3px; flex-shrink:0; }
  .article-video-cta .cta-text span{ font-family:var(--mono); font-size:.68rem; text-transform:uppercase; color:var(--signal); letter-spacing:.04em; }
  .article-video-cta .cta-text p{ margin:4px 0 0; color:var(--paper); font-size:.94rem; font-weight:600; }

  .article-gallery{
    display:grid; grid-template-columns:repeat(auto-fill, minmax(220px,1fr));
    gap:14px; margin:36px 0;
  }
  .article-gallery figure{ margin:0; }
  .article-gallery img{
    width:100%; aspect-ratio:4/3; object-fit:cover; border-radius:4px;
    border:1px solid var(--line);
  }
  .article-gallery figcaption{
    font-family:var(--mono); font-size:.7rem; color:var(--paper-dim);
    margin-top:6px; letter-spacing:.02em;
  }

  .article-footer-nav{
    display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap;
    border-top:1px solid var(--line); margin-top:50px; padding-top:30px; max-width:760px;
  }
  .article-footer-nav a{
    font-family:var(--mono); font-size:.8rem; color:var(--signal); letter-spacing:.02em;
  }