/* BLXCK11 — single-theme by design. Black is the brand. */
  :root{
    --ink:#000000;
    --panel:#060606;
    --line:#1c1c1c;
    --white:#f4f4f4;
    --dim:#8f8f8f;
    --faint:#4a4a4a;
    --red:#e10600;
    --sans:'Inter',-apple-system,'Helvetica Neue',Arial,sans-serif;
    --mono:'IBM Plex Mono','SF Mono',Consolas,monospace;
  }
  html{scroll-behavior:smooth}
  body{
    background:var(--ink);
    color:var(--white);
    font-family:var(--sans);
    font-weight:300;
    margin:0;
    -webkit-font-smoothing:antialiased;
    letter-spacing:.01em;
  }
  *{box-sizing:border-box}
  a{color:inherit;text-decoration:none}
  ::selection{background:var(--white);color:var(--ink)}

  .mono{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;color:var(--dim);text-transform:uppercase}
  .wrap{max-width:1140px;margin:0 auto;padding:0 28px}

  /* ---------- header ---------- */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(0,0,0,.92);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .hbar{display:flex;align-items:center;justify-content:space-between;height:60px}
  .mark{display:flex;align-items:center;gap:14px}
  .x11{width:26px;height:26px;flex:none}
  .wordmark{font-weight:700;font-size:.82rem;letter-spacing:.32em}
  nav{display:flex;gap:2px}
  nav a{
    font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;
    color:var(--dim);padding:8px 14px;border:1px solid transparent;transition:color .2s,border-color .2s;
  }
  nav a:hover,nav a:focus-visible{color:var(--white);border-color:var(--line);outline:none}

  /* ---------- hero ---------- */
  .hero{min-height:88vh;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
  .hero .wrap{width:100%}
  .coords{display:flex;justify-content:space-between;margin-bottom:56px}
  h1{
    font-weight:900;text-transform:uppercase;line-height:.95;margin:0;
    font-size:clamp(2.6rem,8.5vw,7.2rem);letter-spacing:-.01em;text-wrap:balance;
  }
  h1 .thin{font-weight:300;color:var(--dim)}
  .hero-sub{margin-top:48px;display:flex;align-items:center;gap:16px}
  .pulse{width:7px;height:7px;border-radius:50%;background:var(--red);flex:none;animation:pulse 2.4s ease-in-out infinite}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
  @media (prefers-reduced-motion:reduce){
    .pulse{animation:none}
    .reveal{opacity:1 !important;transform:none !important;transition:none !important}
  }
  .hero-rule{position:absolute;bottom:0;left:0;right:0;border-top:1px solid var(--line)}

  .reveal{opacity:0;transform:translateY(14px);transition:opacity .9s ease,transform .9s ease}
  .reveal.on{opacity:1;transform:none}

  /* ---------- section scaffold ---------- */
  section{border-bottom:1px solid var(--line);padding:96px 0}
  .sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:56px;gap:16px;flex-wrap:wrap}
  h2{font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:clamp(1.4rem,3vw,2.1rem);margin:0}
  h2 .div{color:var(--faint);font-weight:300}

  /* ---------- SOUND ---------- */
  .transmission{display:grid;grid-template-columns:minmax(220px,340px) 1fr;gap:56px;align-items:start}
  @media(max-width:720px){.transmission{grid-template-columns:1fr}}
  .cover{
    aspect-ratio:1/1;background:var(--ink);border:1px solid var(--line);
    display:flex;flex-direction:column;justify-content:space-between;padding:9%;
    transition:border-color .3s;
  }
  .cover:hover{border-color:var(--faint)}
  .cover .c-code{font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;color:var(--dim)}
  .cover .c-title{font-weight:900;text-transform:uppercase;font-size:clamp(1.1rem,2.6vw,1.7rem);line-height:1.02}
  .cover .c-meta{font-family:var(--mono);font-size:.52rem;letter-spacing:.16em;color:var(--faint);line-height:1.9;text-transform:uppercase}
  .metablock{font-family:var(--mono);font-size:.74rem;line-height:2.2;letter-spacing:.12em;text-transform:uppercase}
  .metablock b{color:var(--white);font-weight:500}
  .metablock span{color:var(--dim);font-weight:400}
  .metablock .red{color:var(--red)}
  .listen{
    display:inline-block;margin-top:36px;padding:13px 30px;border:1px solid var(--white);
    font-family:var(--mono);font-size:.66rem;letter-spacing:.24em;color:var(--white);
    transition:background .2s,color .2s;
  }
  .listen:hover,.listen:focus-visible{background:var(--white);color:var(--ink);outline:none}

  .catalog{margin-top:72px;border-top:1px solid var(--line)}
  .row{
    display:grid;grid-template-columns:110px 1fr 130px 90px;gap:20px;align-items:center;
    padding:20px 4px;border-bottom:1px solid var(--line);transition:background .2s;
  }
  .row:hover{background:var(--panel)}
  .row .cd{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;color:var(--dim)}
  .row .tt{font-weight:600;text-transform:uppercase;letter-spacing:.05em;font-size:.9rem}
  .row .ar,.row .du{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;color:var(--faint);text-transform:uppercase}
  .row .du{text-align:right}
  @media(max-width:640px){.row{grid-template-columns:90px 1fr 70px}.row .ar{display:none}}

  /* ---------- LAB ---------- */
  .exp{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
  @media(max-width:720px){.exp{grid-template-columns:1fr}}
  .exp-visual{
    aspect-ratio:16/10;background:var(--ink);border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;position:relative;
  }
  .exp-visual .timer{font-family:var(--mono);font-size:clamp(2rem,5vw,3.4rem);letter-spacing:.1em;color:var(--white);font-weight:400}
  .exp-visual .rec{position:absolute;top:16px;left:16px;display:flex;align-items:center;gap:8px}
  .exp-visual .corner{position:absolute;width:14px;height:14px;border-color:var(--faint);border-style:solid;border-width:0}
  .exp-visual .tl{top:10px;left:10px;border-top-width:1px;border-left-width:1px}
  .exp-visual .tr{top:10px;right:10px;border-top-width:1px;border-right-width:1px}
  .exp-visual .bl{bottom:10px;left:10px;border-bottom-width:1px;border-left-width:1px}
  .exp-visual .br{bottom:10px;right:10px;border-bottom-width:1px;border-right-width:1px}
  .exp h3{font-weight:900;text-transform:uppercase;font-size:clamp(1.6rem,4vw,2.6rem);margin:0 0 28px;line-height:1}
  .exp p{color:var(--dim);line-height:1.85;max-width:52ch;margin:0 0 8px;font-size:.95rem}

  /* ---------- divisions ---------- */
  .grid4{display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid var(--line)}
  @media(max-width:860px){.grid4{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:480px){.grid4{grid-template-columns:1fr}}
  .cell{border:1px solid var(--line);border-left:none;padding:36px 26px 44px;min-height:210px;display:flex;flex-direction:column;justify-content:space-between;gap:28px;transition:background .25s}
  .cell:hover{background:var(--panel)}
  .cell .num{font-family:var(--mono);font-size:.62rem;color:var(--faint);letter-spacing:.2em}
  .cell h4{font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:1rem;margin:0 0 10px}
  .cell p{color:var(--dim);font-size:.82rem;line-height:1.7;margin:0}

  /* ---------- manifesto ---------- */
  .manifesto{padding:150px 0;text-align:center}
  .manifesto .q{
    font-weight:300;font-size:clamp(1.5rem,4vw,2.7rem);line-height:1.35;
    max-width:22ch;margin:0 auto;text-wrap:balance;
  }
  .manifesto .q b{font-weight:700}
  .principles{display:flex;justify-content:center;gap:clamp(18px,4vw,52px);margin-top:72px;flex-wrap:wrap}
  .principles span{font-family:var(--mono);font-size:.66rem;letter-spacing:.3em;color:var(--dim)}

  /* ---------- footer ---------- */
  footer{padding:56px 0;display:block}
  .fbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}

/* ---------- subpages ---------- */
.page-hero{padding:130px 0 84px;border-bottom:1px solid var(--line)}
.page-hero h1{font-weight:900;text-transform:uppercase;font-size:clamp(2.4rem,7vw,5rem);line-height:.95;margin:26px 0 0;letter-spacing:-.01em}
.lede{color:var(--dim);font-size:1.08rem;line-height:1.9;max-width:58ch;margin:30px 0 0;font-weight:300}
.prose{max-width:66ch}
.prose p{color:var(--dim);line-height:1.95;font-size:.98rem;margin:0 0 22px;font-weight:300}
.prose strong{color:var(--white);font-weight:600}
.prose .big{color:var(--white);font-weight:300;font-size:1.3rem;line-height:1.65}
.statement{font-weight:300;font-size:clamp(1.25rem,2.8vw,1.8rem);line-height:1.55;color:var(--white);max-width:34ch;margin:0}
.statement b{font-weight:700}
.two-col{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:start}
@media(max-width:760px){.two-col{grid-template-columns:1fr}}

/* record / evidence rows */
.rrow{display:grid;grid-template-columns:150px 110px 1fr;gap:24px;align-items:baseline;padding:26px 4px;border-bottom:1px solid var(--line)}
@media(max-width:640px){.rrow{grid-template-columns:110px 1fr}}
.rrow .rc{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;color:var(--dim)}
.rrow .rk{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;color:var(--faint);text-transform:uppercase}
.rrow .rv{color:var(--white);font-weight:300;font-size:.95rem;line-height:1.7}
.ph{color:var(--faint);border:1px dashed var(--faint);padding:2px 10px;font-size:.85rem}

/* rules */
.rules{list-style:none;margin:0;padding:0;max-width:66ch}
.rules li{display:grid;grid-template-columns:110px 1fr;gap:24px;padding:22px 4px;border-bottom:1px solid var(--line);color:var(--dim);line-height:1.8;font-weight:300;font-size:.95rem}
.rules li span{font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;color:var(--faint);padding-top:5px}
.rules li b{color:var(--white);font-weight:600}

/* form */
.form{max-width:620px}
.field{margin-bottom:36px}
.field label{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;color:var(--dim);text-transform:uppercase;margin-bottom:12px}
.field input,.field select,.field textarea{width:100%;background:var(--ink);border:1px solid var(--line);color:var(--white);font-family:var(--sans);font-weight:300;font-size:1rem;padding:16px;border-radius:0;transition:border-color .2s;-webkit-appearance:none;appearance:none}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--white)}
.field textarea{min-height:190px;resize:vertical}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--dim) 50%),linear-gradient(135deg,var(--dim) 50%,transparent 50%);background-position:calc(100% - 22px) 24px,calc(100% - 16px) 24px;background-size:6px 6px;background-repeat:no-repeat}
.btn{display:inline-block;padding:15px 36px;border:1px solid var(--white);background:transparent;font-family:var(--mono);font-size:.68rem;letter-spacing:.24em;color:var(--white);cursor:pointer;transition:background .2s,color .2s}
.btn:hover,.btn:focus-visible{background:var(--white);color:var(--ink);outline:none}
.formnote{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;color:var(--faint);margin-top:28px;line-height:2}