*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --gold: #ff5a1f;
    --neon: #ff5a1f;
    --green: #46d96b;
    --ice: #ff8a52;
    --bg: #0e0e11;
    --bg2: #17171b;
    --txt: #eae5d9;
    --dim: rgba(255,255,255,.45);
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--txt);
    font-family: -apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
    overflow-x: hidden;
  }

  /* ── NOISE OVERLAY ── */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: .4;
  }

  /* ── NAV ── */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 48px;
    background: rgba(0,0,0,.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,.06);
    flex-wrap: wrap;
  }

  .nav-logo {
    font-family: 'Big Shoulders', sans-serif;
    font-size: 28px;
    letter-spacing: .15em;
    color: var(--gold);
    text-decoration: none;
    flex-shrink: 0;
  }

  .nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px; height: 36px;
    background: none; border: none;
    cursor: pointer; padding: 4px; flex-shrink: 0;
  }
  .nav-toggle span {
    display: block; width: 22px; height: 2px;
    background: var(--gold); border-radius: 2px;
    transition: transform .25s, opacity .25s;
    transform-origin: center;
  }
  .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); }

  .nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
  .nav-links a {
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 11px; letter-spacing: .1em;
    text-transform: uppercase; color: var(--dim, rgba(255,255,255,.45));
    text-decoration: none; transition: color .2s;
  }
  .nav-links a:hover { color: var(--gold); }
  .nav-links a.active { color: var(--gold); }

  @media (max-width: 860px) {
    nav { padding: 16px 24px; }
    .nav-toggle { display: flex; }
    .nav-links {
      display: none; flex-direction: column; align-items: flex-start;
      gap: 0; width: 100%; padding: 12px 0 16px;
      border-top: 1px solid rgba(255,255,255,.06); margin-top: 12px;
    }
    .nav-links.open { display: flex; }
    .nav-links li { width: 100%; }
    .nav-links a {
      display: block; padding: 10px 4px; font-size: 13px;
      border-bottom: 1px solid rgba(255,255,255,.04);
    }
    .nav-links li:last-child a { border-bottom: none; }
  }
  .nav-links a.home-link { color: var(--gold); }
  .nav-links a.home-link:hover { color: #eae5d9; }

  .beta-badge {
    display: inline-block;
    margin-left: 6px;
    padding: 3px 7px;
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .15em;
    color: var(--gold);
    background: rgba(0,224,214,.08);
    border: 1px solid rgba(0,224,214,.4);
    border-radius: 3px;
    vertical-align: 4px;
    cursor: help;
  }

  /* ── PAGE HEADER (compact, not full-screen) ── */
  .page-header {
    padding: 180px 48px 80px;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid rgba(255,255,255,.06);
    position: relative;
  }

  .page-header::after {
    content: 'GUIDE';
    position: absolute;
    font-family: 'Big Shoulders', sans-serif;
    font-size: 22vw;
    color: rgba(0,224,214,.025);
    top: 50%;
    right: 48px;
    transform: translateY(-50%);
    pointer-events: none;
    letter-spacing: .08em;
    line-height: 1;
    z-index: 0;
  }

  .page-eyebrow {
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 11px;
    letter-spacing: .25em;
    text-transform: uppercase;
    color: var(--neon);
    margin-bottom: 24px;
    position: relative;
  }

  .page-title {
    font-family: 'Big Shoulders', sans-serif;
    font-size: clamp(64px, 10vw, 120px);
    line-height: .9;
    letter-spacing: .04em;
    background: linear-gradient(135deg, #eae5d9 0%, var(--gold) 50%, var(--neon) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    position: relative;
  }

  .page-sub {
    font-size: 18px;
    color: var(--dim);
    line-height: 1.6;
    font-weight: 300;
    max-width: 640px;
    position: relative;
  }

  /* ── TOC STRIP ── */
  .toc {
    background: rgba(255,255,255,.02);
    border-top: 1px solid rgba(255,255,255,.06);
    border-bottom: 1px solid rgba(255,255,255,.06);
    padding: 32px 48px;
  }

  .toc-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 4px 32px;
  }

  .toc a {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 10px 0;
    font-size: 13px;
    color: var(--dim);
    text-decoration: none;
    font-family: -apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
    border-bottom: 1px solid transparent;
    transition: color .2s, border-color .2s;
  }

  .toc a:hover { color: var(--gold); border-bottom-color: rgba(0,224,214,.3); }

  .toc-num {
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 10px;
    letter-spacing: .15em;
    color: var(--neon);
    min-width: 24px;
  }

  /* ── SECTION ── */
  section {
    padding: 120px 48px;
    max-width: 1200px;
    margin: 0 auto;
  }

  .section-tag {
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 11px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--neon);
    margin-bottom: 16px;
  }

  h2 {
    font-family: 'Big Shoulders', sans-serif;
    font-size: clamp(48px, 6vw, 80px);
    letter-spacing: .04em;
    line-height: 1;
    margin-bottom: 24px;
  }

  h3 {
    font-family: 'Big Shoulders', sans-serif;
    font-size: 28px;
    letter-spacing: .08em;
    color: var(--gold);
    margin: 48px 0 16px;
    line-height: 1;
  }

  h3.first { margin-top: 32px; }

  .lead {
    font-size: 18px;
    color: var(--dim);
    line-height: 1.7;
    max-width: 720px;
    font-weight: 300;
  }

  p.body {
    font-size: 15px;
    color: var(--txt);
    line-height: 1.75;
    max-width: 720px;
    margin-bottom: 16px;
    font-weight: 300;
  }

  p.body.dim { color: var(--dim); }

  /* ── STEPS ── */
  ol.steps {
    list-style: none;
    counter-reset: step;
    margin: 24px 0 16px;
    max-width: 720px;
  }

  ol.steps > li {
    counter-increment: step;
    position: relative;
    padding: 16px 16px 16px 64px;
    margin-bottom: 6px;
    border-left: 1px solid rgba(255,255,255,.08);
    font-size: 15px;
    color: var(--txt);
    line-height: 1.7;
    font-weight: 300;
  }

  ol.steps > li::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    left: 16px;
    top: 16px;
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 11px;
    letter-spacing: .12em;
    color: var(--neon);
  }

  ol.steps strong {
    color: var(--gold);
    font-weight: 400;
  }

  /* ── BULLET LIST ── */
  ul.b {
    list-style: none;
    margin: 16px 0;
    max-width: 720px;
  }

  ul.b > li {
    position: relative;
    padding: 8px 0 8px 28px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--txt);
    font-weight: 300;
  }

  ul.b > li::before {
    content: '◆';
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--gold);
    font-size: 10px;
  }

  ul.b strong { color: var(--gold); font-weight: 400; }

  /* ── CODE / KBD ── */
  code {
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 13px;
    background: rgba(255,255,255,.05);
    color: var(--ice);
    padding: 2px 8px;
    border-radius: 2px;
    border: 1px solid rgba(91,200,245,.15);
  }

  kbd {
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 11px;
    background: rgba(255,255,255,.06);
    color: var(--gold);
    padding: 3px 9px;
    border-radius: 2px;
    border: 1px solid rgba(0,224,214,.3);
    border-bottom-width: 2px;
    letter-spacing: .05em;
  }

  /* ── CALLOUT ── */
  .callout {
    margin: 24px 0;
    padding: 20px 24px;
    border-left: 3px solid var(--gold);
    background: rgba(0,224,214,.04);
    max-width: 720px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--txt);
    font-weight: 300;
  }

  .callout.warn {
    border-left-color: var(--neon);
    background: rgba(255,61,166,.04);
  }

  .callout.tip {
    border-left-color: var(--ice);
    background: rgba(91,200,245,.04);
  }

  .callout-label {
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 10px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--gold);
    display: block;
    margin-bottom: 6px;
  }

  .callout.warn .callout-label { color: var(--neon); }
  .callout.tip .callout-label { color: var(--ice); }

  /* ── SOURCE BLOCK ── */
  .source-block {
    margin: 24px 0 56px;
    padding: 32px;
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.02);
    position: relative;
    max-width: 880px;
  }

  .source-block::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--c, var(--gold));
  }

  .source-block-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
  }

  .source-block-icon {
    font-size: 32px;
  }

  .source-block-name {
    font-family: 'Big Shoulders', sans-serif;
    font-size: 36px;
    letter-spacing: .08em;
    color: var(--c, var(--gold));
    line-height: 1;
  }

  .guide-screenshot {
    display: block;
    width: 100%;
    max-width: 720px;
    margin: 20px 0 0;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 4px;
    opacity: .9;
    background: rgba(255,255,255,.03);
    min-height: 160px;
    object-fit: cover;
  }
  .guide-screenshot-caption {
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 10px;
    color: var(--dim);
    margin-top: 6px;
    letter-spacing: .06em;
  }

  .source-block-meta {
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 10px;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--dim);
    margin-left: auto;
  }

  /* ── LAYOUT DIAGRAM ── */
  .layout-diagram {
    margin: 32px 0;
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.015);
    padding: 4px;
    max-width: 880px;
    aspect-ratio: 16 / 9;
    display: grid;
    grid-template-columns: 200px 1fr 240px;
    grid-template-rows: 56px 1fr;
    gap: 4px;
  }

  .ld {
    background: rgba(255,255,255,.025);
    border: 1px solid rgba(255,255,255,.06);
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }

  .ld-tag {
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 9px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--neon);
    margin-bottom: 6px;
  }

  .ld-name {
    font-family: 'Big Shoulders', sans-serif;
    font-size: 18px;
    letter-spacing: .08em;
    color: var(--gold);
    line-height: 1;
  }

  .ld-desc {
    font-size: 11px;
    color: var(--dim);
    line-height: 1.5;
    margin-top: 4px;
    font-weight: 300;
  }

  .ld-top { grid-column: 1 / -1; }
  .ld-stage {
    background:
      radial-gradient(ellipse at 50% 50%, rgba(0,224,214,.06), transparent 60%),
      radial-gradient(ellipse at 70% 30%, rgba(255,61,166,.05), transparent 50%),
      rgba(255,255,255,.015);
    text-align: center;
    align-items: center;
  }

  /* ── CONSOLE DIAGRAM ── */
  .console-diagram {
    margin: 32px 0;
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.015);
    padding: 4px;
    max-width: 880px;
    display: grid;
    grid-template-rows: 1fr 68px;
    gap: 4px;
  }

  .cd-stage {
    background:
      radial-gradient(ellipse at 50% 50%, rgba(0,224,214,.06), transparent 60%),
      radial-gradient(ellipse at 70% 30%, rgba(255,61,166,.05), transparent 50%),
      rgba(255,255,255,.015);
    border: 1px solid rgba(255,255,255,.06);
    padding: 48px 24px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    position: relative;
    min-height: 180px;
  }

  .cd-lyrics-badge {
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 9px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ice);
    opacity: .55;
    border: 1px solid rgba(91,200,245,.25);
    padding: 4px 14px;
    white-space: nowrap;
  }

  .cd-bar {
    display: flex;
    gap: 4px;
  }

  .cd-zone {
    flex: 1;
    background: rgba(255,255,255,.025);
    border: 1px solid rgba(255,255,255,.06);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 6px 4px;
  }

  .cdz-label {
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 9px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--gold);
    text-align: center;
  }

  .cdz-desc {
    font-family: -apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
    font-size: 10px;
    color: var(--dim);
    text-align: center;
    line-height: 1.4;
    font-weight: 300;
  }

  /* ── FX TABLE ── */
  .fx-table {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 4px;
    margin: 24px 0 16px;
    max-width: 880px;
  }

  .fx-item {
    padding: 16px 18px;
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.02);
    transition: border-color .2s, background .2s;
  }

  .fx-item:hover {
    border-color: rgba(255,255,255,.18);
    background: rgba(255,255,255,.04);
  }

  .fx-item-name {
    font-family: 'Big Shoulders', sans-serif;
    font-size: 18px;
    letter-spacing: .08em;
    color: var(--c, var(--gold));
    line-height: 1;
  }

  .fx-item-desc {
    font-size: 12px;
    color: var(--dim);
    line-height: 1.5;
    margin-top: 6px;
    font-weight: 300;
  }

  /* ── TROUBLESHOOTING ITEMS ── */
  details.tr {
    margin: 4px 0;
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.02);
    transition: border-color .2s;
    max-width: 880px;
  }

  details.tr[open] {
    border-color: rgba(0,224,214,.3);
    background: rgba(255,255,255,.03);
  }

  details.tr summary {
    list-style: none;
    cursor: pointer;
    padding: 16px 24px;
    font-family: -apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
    font-size: 15px;
    color: var(--txt);
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
  }

  details.tr summary::-webkit-details-marker { display: none; }

  details.tr summary::before {
    content: '+';
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    font-size: 18px;
    color: var(--gold);
    width: 16px;
    transition: transform .2s;
  }

  details.tr[open] summary::before {
    content: '−';
  }

  details.tr summary:hover { color: var(--gold); }

  .tr-body {
    padding: 0 24px 24px 54px;
    font-size: 14px;
    color: var(--dim);
    line-height: 1.75;
    font-weight: 300;
  }

  .tr-body p { margin-bottom: 10px; }
  .tr-body strong { color: var(--gold); font-weight: 400; }
  .tr-body code { font-size: 12px; }

  /* ── DOWNLOAD-LIKE FOOTER CTA ── */
  .help-section {
    background: linear-gradient(135deg, rgba(0,224,214,.08) 0%, rgba(255,61,166,.06) 100%);
    border-top: 1px solid rgba(0,224,214,.2);
    border-bottom: 1px solid rgba(0,224,214,.2);
    padding: 96px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .help-section::before {
    content: 'HELP';
    position: absolute;
    font-family: 'Big Shoulders', sans-serif;
    font-size: 26vw;
    color: rgba(0,224,214,.03);
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    pointer-events: none;
    white-space: nowrap;
    letter-spacing: .08em;
  }

  .help-title {
    font-family: 'Big Shoulders', sans-serif;
    font-size: clamp(40px, 6vw, 80px);
    letter-spacing: .06em;
    line-height: 1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--gold), #eae5d9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
  }

  .help-sub {
    font-size: 15px;
    color: var(--dim);
    margin-bottom: 36px;
    position: relative;
    font-weight: 300;
  }

  .help-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    position: relative;
  }

  .help-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border: 1px solid rgba(255,255,255,.2);
    color: var(--txt);
    font-family: 'Big Shoulders', sans-serif;
    font-size: 16px;
    letter-spacing: .1em;
    text-decoration: none;
    transition: all .2s;
    background: rgba(255,255,255,.04);
    backdrop-filter: blur(8px);
  }

  .help-link:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

  /* ── FOOTER ── */
  footer {
    padding: 32px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255,255,255,.06);
    flex-wrap: wrap;
    gap: 20px;
  }

  .footer-logo {
    font-family: 'Big Shoulders', sans-serif;
    font-size: 24px;
    letter-spacing: .15em;
    color: var(--gold);
  }

  .footer-links {
    display: flex;
    gap: 28px;
    list-style: none;
  }

  .footer-links a {
    font-size: 12px;
    color: var(--dim);
    text-decoration: none;
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
    transition: color .2s;
  }
  .footer-links a:hover { color: var(--gold); }

  .footer-copy {
    font-size: 11px;
    color: rgba(255,255,255,.2);
    font-family: ui-monospace,'Cascadia Code',Consolas,Menlo,monospace;
  }

  /* ── SCROLLBAR ── */
  ::-webkit-scrollbar { width: 4px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: var(--gold); }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    nav { padding: 16px 24px; }
    .nav-links { gap: 18px; }
    .page-header { padding: 130px 24px 60px; }
    .page-header::after { font-size: 30vw; right: 0; }
    .toc { padding: 24px; }
    section { padding: 80px 24px; }
    .help-section { padding: 64px 24px; }
    footer { padding: 24px; flex-direction: column; text-align: center; }
    .layout-diagram { grid-template-columns: 1fr; grid-template-rows: 56px repeat(3, 100px); aspect-ratio: auto; }
    .ld-top { grid-column: 1; }
    .cd-bar { flex-wrap: wrap; }
    .cd-zone { flex: 0 0 calc(50% - 2px); min-width: 0; }
    .console-diagram { grid-template-rows: 1fr auto; }
  }

  @media (max-width: 600px) {
    .nav-links li:nth-child(n+3) { display: none; }
  }

  /* — Big Shoulders display sizing (replaces condensed Bebas metrics) — */
  .nav-logo { font-size: 17px; letter-spacing: .06em; font-weight: 700; }
  .page-title { font-size: clamp(34px, 6vw, 68px); line-height: 1.05; letter-spacing: -.01em; }
  h2 { font-size: clamp(25px, 3.4vw, 42px); letter-spacing: -.01em; line-height: 1.12; }
  .help-title { font-size: clamp(24px, 3.6vw, 44px); letter-spacing: -.01em; }
  .source-block-name { font-size: 20px; letter-spacing: .01em; }
  .ld-name, .fx-item-name { font-size: 13px; letter-spacing: .02em; }
  .help-section::before { font-size: 17vw; }