/* ============================================================================
   Resources tab - shared stylesheet  (SAMPLE / NOT LIVE)
   Tokens copied verbatim from the live site css/style.css + nav.css so these
   pages drop straight in. On integration: delete the body:not(.resources-section) .site-header block below
   (nav.js injects it) and swap the Google Fonts link for /css/fonts.css.
   ========================================================================= */

:root{
  /* --- live site tokens (do not drift) --- */
  --bg:#0d0d0d; --surface:#161616; --surface2:#1f1f1f; --border:#2a2a2a;
  --accent:#c0392b; --accent-hover:#e74c3c;
  --text:#e8e8e8; --text-muted:#929292; --text-dim:#858585;
  --green:#27ae60; --yellow:#f39c12; --blue:#2980b9;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono','Fira Mono',ui-monospace,monospace;
  --radius:6px; --shadow:0 4px 24px rgba(0,0,0,.6);
  /* --- resources-only additions --- */
  --border-soft:#202020;
  --purple:#9b7cc0;
  --readw:74ch;            /* measure for body copy */
  --maxw:1180px;           /* guide shell incl. ToC rail */
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:15px;scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;
     min-height:100vh;-webkit-font-smoothing:antialiased;}
a{color:var(--accent-hover);text-decoration:none;}
a:hover{color:var(--accent-hover);}
img{max-width:100%;}
:focus-visible{outline:2px solid var(--accent-hover);outline-offset:2px;border-radius:3px;}

/* ---------------------------------------------------------------- ribbon --
   Sample-only, deliberately NOT sticky: it scrolls away so the header can pin
   at top:0 exactly as it does on the live site. Delete on integration. */
.ribbon{text-align:center;padding:6px 12px;background-color:#141414;
  background-image:repeating-linear-gradient(135deg,rgba(192,57,43,.16) 0 14px,rgba(192,57,43,.05) 14px 28px);
  border-bottom:1px solid var(--border);color:var(--accent-hover);
  font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;}
.ribbon b{color:var(--text);font-weight:600;}

/* ------------------------------------------------------ header (static) --
   Mirrors nav.css, including position:sticky;top:0. Replaced by nav.js on
   integration. */
body:not(.resources-section) .site-header{min-height:63px;background:#111;border-bottom:2px solid var(--accent);
  display:flex;align-items:center;gap:8px 14px;flex-wrap:wrap;padding:11px 24px;
  position:sticky;top:0;z-index:900;font-family:var(--font);}
body:not(.resources-section) .site-header .brand{color:#f5f5f5;font-weight:700;font-size:1.05rem;white-space:nowrap;margin-right:auto;}
body:not(.resources-section) .site-header .brand span{color:var(--accent-hover);}
body:not(.resources-section) .site-header nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
body:not(.resources-section) .site-header nav a{color:#b8b8b8;font-size:.88rem;font-weight:500;padding:7px 11px;
  border-radius:6px;transition:background .15s,color .15s;white-space:nowrap;}
body:not(.resources-section) .site-header nav a:hover{color:#fff;background:rgba(255,255,255,.07);}
body:not(.resources-section) .site-header nav a.active{color:#fff;background:rgba(255,255,255,.12);}

/* ------------------------------------------------------------ masthead --- */
.masthead{max-width:var(--maxw);margin:0 auto;padding:52px 24px 26px;}
.masthead.center{text-align:center;}
.eyebrow{font-family:var(--mono);font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;
  color:var(--accent-hover);margin-bottom:14px;}
.masthead h1{font-weight:800;font-size:clamp(1.95rem,5vw,3.1rem);line-height:1.06;
  letter-spacing:-.02em;margin-bottom:16px;text-wrap:balance;}
.masthead h1 span{color:var(--accent-hover);}
.lede{max-width:64ch;color:var(--text-muted);font-size:1.05rem;line-height:1.72;}
.masthead.center .lede{margin-inline:auto;}

/* breadcrumb */
.crumb{max-width:var(--maxw);margin:0 auto;padding:18px 24px 0;font-family:var(--mono);
  font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);}
.crumb a{color:var(--text-muted);}
.crumb a:hover{color:var(--accent-hover);}
.crumb i{font-style:normal;padding:0 8px;color:var(--text-dim);}

/* -------------------------------------------------------------- factbar ---
   Difficulty / time / cost / last-reviewed strip under a guide lede. */
.factbar{display:flex;flex-wrap:wrap;margin:30px 0 0;border:1px solid var(--border);
  border-radius:10px;background:var(--surface);overflow:hidden;max-width:820px;}
.factbar .f{flex:1 1 0;min-width:132px;padding:13px 16px;border-left:1px solid var(--border-soft);}
.factbar .f:first-child{border-left:0;}
.factbar .k{font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);margin-bottom:5px;}
.factbar .v{font-family:var(--mono);font-size:.9rem;font-weight:600;color:var(--text);}
.factbar .v.easy{color:var(--green);}
.factbar .v.moderate{color:var(--yellow);}
.factbar .v.advanced{color:var(--accent-hover);}

/* ------------------------------------------------------------ guide shell */
.shell{max-width:var(--maxw);margin:0 auto;padding:34px 24px 96px;
  display:grid;grid-template-columns:minmax(0,1fr) 244px;gap:52px;align-items:start;}
.prose{min-width:0;max-width:var(--readw);}

/* table of contents rail */
.toc{position:sticky;top:86px;font-size:.84rem;}
.toc .tochead{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-dim);padding-bottom:10px;margin-bottom:6px;border-bottom:1px solid var(--border-soft);}
.toc a{display:block;color:var(--text-muted);padding:6px 0 6px 13px;line-height:1.4;
  border-left:2px solid var(--border);transition:color .15s,border-color .15s;}
.toc a:hover{color:var(--text);border-left-color:var(--text-dim);}
.toc a.on{color:var(--accent-hover);border-left-color:var(--accent-hover);}
.toc a.sub{padding-left:26px;font-size:.79rem;}
.mobile-toc{display:none;}

/* ------------------------------------------------------------- typography */
.prose h2{font-size:1.55rem;font-weight:700;letter-spacing:-.01em;line-height:1.2;
  margin:52px 0 14px;scroll-margin-top:86px;text-wrap:balance;}
.prose h2:first-child{margin-top:0;}
.prose h2 .n{font-family:var(--mono);font-size:.85rem;font-weight:600;color:var(--accent-hover);
  margin-right:11px;vertical-align:.18em;}
.prose h3{font-size:1.12rem;font-weight:600;margin:34px 0 10px;color:var(--text);scroll-margin-top:86px;}
.prose h4{font-size:.96rem;font-weight:600;margin:24px 0 8px;color:var(--text);}
.prose p{color:#bdbdbd;font-size:1rem;line-height:1.78;margin-bottom:18px;}
.prose p strong,.prose li strong{color:var(--text);font-weight:600;}
.prose p a:not(.btn),.prose li a:not(.btn),.crumb a{
  text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;
}
.prose em{color:#cfcfcf;}
.prose ul,.prose ol{margin:0 0 20px 22px;color:#bdbdbd;line-height:1.75;}
.prose li{margin-bottom:9px;}
.prose li::marker{color:var(--text-dim);}
.prose hr{border:0;border-top:1px solid var(--border-soft);margin:44px 0;}
.lead-in{font-size:1.06rem;color:var(--text-muted);line-height:1.75;margin-bottom:26px;}

/* inline code + code blocks */
code{font-family:var(--mono);font-size:.86em;background:var(--surface2);
  border:1px solid var(--border-soft);border-radius:4px;padding:1px 6px;color:#dcdcdc;}
pre{background:#101010;border:1px solid var(--border);border-left:3px solid var(--text-dim);
  border-radius:8px;padding:15px 17px;overflow-x:auto;margin:0 0 20px;}
pre code{background:none;border:0;padding:0;font-size:.83rem;line-height:1.65;color:#cfcfcf;display:block;}
pre code .c{color:var(--text-dim);}          /* comment */
pre code .o{color:var(--accent-hover);}      /* emphasis / output */

/* ---------------------------------------------------------------- boxes --- */
.box{border-radius:8px;padding:15px 19px;margin:26px 0;font-size:.94rem;line-height:1.7;
  color:#bdbdbd;border:1px solid;border-left-width:4px;}
.box p{font-size:.94rem;margin-bottom:12px;color:inherit;}
.box p:last-child,.box ul:last-child{margin-bottom:0;}
.box ul,.box ol{margin:10px 0 0 20px;font-size:.94rem;}
.box .t{display:block;font-weight:700;font-size:.78rem;letter-spacing:.13em;
  text-transform:uppercase;margin-bottom:8px;font-family:var(--mono);}
.box-danger{background:rgba(192,57,43,.12);border-color:var(--accent);}
.box-danger .t{color:var(--accent-hover);}
.box-warn{background:rgba(243,156,18,.09);border-color:var(--yellow);}
.box-warn .t{color:var(--yellow);}
.box-note{background:rgba(41,128,185,.10);border-color:var(--blue);}
.box-note .t{color:#5aa9dd;}
.box-good{background:rgba(39,174,96,.09);border-color:var(--green);}
.box-good .t{color:var(--green);}
.box-quiet{background:var(--surface);border-color:var(--border);border-left-color:var(--text-dim);}
.box-quiet .t{color:var(--text-muted);}

/* ------------------------------------------------------------ step spine -- */
.steps{list-style:none;margin:26px 0 30px;padding:0;position:relative;counter-reset:s;}
.steps>li{position:relative;padding:0 0 26px 46px;}
.steps>li::before{content:counter(s);counter-increment:s;position:absolute;left:0;top:0;
  width:29px;height:29px;border-radius:50%;background:var(--surface2);
  border:1px solid var(--border);color:var(--accent-hover);font-family:var(--mono);
  font-size:.82rem;font-weight:600;display:flex;align-items:center;justify-content:center;}
.steps>li::after{content:"";position:absolute;left:14px;top:33px;bottom:0;width:1px;background:var(--border);}
.steps>li:last-child{padding-bottom:0;}
.steps>li:last-child::after{display:none;}
.steps>li>b{display:block;color:var(--text);font-weight:600;font-size:1.02rem;
  margin:3px 0 7px;line-height:1.4;}
.steps>li p{margin-bottom:11px;color:#bdbdbd;line-height:1.75;}
.steps>li ul,.steps>li ol{margin:0 0 14px 20px;color:#bdbdbd;line-height:1.7;}
.steps>li li{margin-bottom:7px;}
.steps>li .box{margin:14px 0;}

/* ------------------------------------------------------------ do / dont --- */
.dd{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:26px 0;}
.dd>div{border:1px solid var(--border);border-radius:8px;padding:15px 18px;background:var(--surface);}
.dd .h{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  font-weight:700;margin-bottom:11px;}
.dd .do{border-top:2px solid var(--green);}
.dd .do .h{color:var(--green);}
.dd .dont{border-top:2px solid var(--accent);}
.dd .dont .h{color:var(--accent-hover);}
.dd ul{margin:0 0 0 18px;font-size:.92rem;line-height:1.65;color:#bdbdbd;}
.dd li{margin-bottom:8px;}
.dd li:last-child{margin-bottom:0;}

/* ------------------------------------------------------------- comparison - */
.tablewrap{overflow-x:auto;margin:26px 0;border:1px solid var(--border);border-radius:8px;}
table.cmp{width:100%;border-collapse:collapse;font-size:.9rem;min-width:520px;background:var(--surface);}
table.cmp th,table.cmp td{padding:11px 15px;text-align:left;border-bottom:1px solid var(--border-soft);
  vertical-align:top;color:#bdbdbd;}
table.cmp thead th{background:var(--surface2);color:var(--text);font-weight:600;font-size:.76rem;
  letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp td:first-child{color:var(--text);font-weight:500;}
table.cmp .y{color:var(--green);font-weight:600;}
table.cmp .n{color:var(--accent-hover);font-weight:600;}
table.cmp .m{color:var(--yellow);font-weight:600;}

/* ------------------------------------------------------------------ faq --- */
.faq{border-top:1px solid var(--border-soft);margin:22px 0 0;}
.faq details{border-bottom:1px solid var(--border-soft);}
.faq summary{cursor:pointer;list-style:none;padding:15px 30px 15px 0;position:relative;
  font-weight:600;font-size:.99rem;color:var(--text);}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";position:absolute;right:4px;top:13px;font-family:var(--mono);
  font-size:1.15rem;color:var(--text-dim);transition:color .18s;}
.faq details[open] summary::after{content:"\2212";color:var(--accent-hover);}
.faq summary:hover{color:var(--accent-hover);}
.faq .a{padding:0 0 17px;color:#bdbdbd;font-size:.95rem;line-height:1.75;}
.faq .a p{font-size:.95rem;}
.faq .a p:last-child{margin-bottom:0;}

/* ----------------------------------------------------------------- links -- */
.linkrow{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0;}
.btn{display:inline-flex;align-items:center;gap:8px;font-size:.88rem;font-weight:600;
  padding:10px 18px;border-radius:7px;transition:filter .15s,border-color .15s,color .15s;}
.btn-red{background:var(--accent);color:#fff;}
.btn-red:hover{filter:brightness(1.13);color:#fff;}
.btn-ghost{background:var(--surface2);color:var(--text-muted);border:1px solid var(--border);}
.btn-ghost:hover{color:var(--text);border-color:var(--text-dim);}

/* source list */
.sources{list-style:none;margin:18px 0 0;padding:0;font-size:.9rem;}
.sources li{padding:10px 0;border-bottom:1px solid var(--border-soft);color:var(--text-muted);line-height:1.6;}
.sources li:last-child{border-bottom:0;}
.sources a{font-weight:500;}
.sources .u{font-family:var(--mono);font-size:.76rem;color:var(--text-dim);display:block;margin-top:3px;
  word-break:break-all;}

/* --------------------------------------------------------------- prev/next */
.pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:56px;
  border-top:1px solid var(--border-soft);padding-top:26px;}
.pn a{border:1px solid var(--border);border-radius:8px;padding:14px 17px;background:var(--surface);
  transition:border-color .15s;display:block;}
.pn a:hover{border-color:var(--accent);}
.pn .d{font-family:var(--mono);font-size:.64rem;letter-spacing:.15em;text-transform:uppercase;
  color:var(--text-dim);margin-bottom:6px;}
.pn .l{color:var(--text);font-weight:600;font-size:.98rem;line-height:1.35;}
.pn .next{text-align:right;}
.pn .empty{border-style:dashed;opacity:.4;pointer-events:none;}

/* ------------------------------------------------------------------ footer */
.site-footer{border-top:1px solid var(--border-soft);}
.site-footer .in{max-width:var(--maxw);margin:0 auto;padding:34px 24px 64px;text-align:center;
  color:var(--text-dim);font-size:.83rem;line-height:1.7;}
.site-footer a{color:var(--text-muted);text-decoration:underline;text-underline-offset:2px;}
.site-footer a:hover{color:var(--accent-hover);}
.rev{font-family:var(--mono);font-size:.72rem;color:var(--text-dim);letter-spacing:.04em;
  border-top:1px solid var(--border-soft);margin-top:48px;padding-top:16px;line-height:1.8;}
.rev b{color:var(--text-muted);font-weight:600;}

/* ============================================================== HUB PAGE == */
.hub{max-width:var(--maxw);margin:0 auto;padding:10px 24px 90px;}

/* threat-model selector */
.tm{display:grid;grid-template-columns:repeat(auto-fit,minmax(232px,1fr));gap:14px;margin:0 0 8px;}
.tm .card{border:1px solid var(--border);border-top:2px solid var(--hue,var(--text-dim));
  border-radius:9px;background:var(--surface);padding:17px 19px;transition:border-color .15s,transform .15s;}
.tm .card:hover{border-color:var(--hue,var(--accent));}
.tm .card h3{font-size:1.02rem;font-weight:700;color:var(--text);margin-bottom:7px;}
.tm .card p{font-size:.88rem;color:var(--text-muted);line-height:1.62;margin-bottom:12px;}
.tm .card .go{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--hue,var(--accent-hover));font-weight:600;}

/* section heads on the hub */
.sec{margin-top:62px;}
.sec>h2{font-size:1.42rem;font-weight:700;letter-spacing:-.01em;margin-bottom:6px;}
.sec>h2 .num{font-family:var(--mono);font-size:.8rem;color:var(--accent-hover);margin-right:11px;vertical-align:.2em;}
.sec>.sub{color:var(--text-muted);font-size:.95rem;max-width:70ch;line-height:1.7;margin-bottom:22px;}

/* guide grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(288px,1fr));gap:15px;}
.gcard{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:9px;
  background:var(--surface);padding:18px 20px 16px;transition:border-color .16s,background .16s;position:relative;}
.gcard:hover{border-color:var(--accent);background:#191919;}
.gcard .top{display:flex;align-items:center;gap:9px;margin-bottom:11px;}
.gcard .ico{width:30px;height:30px;border-radius:7px;background:var(--surface2);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:.95rem;flex:none;}
.gcard .tag{margin-left:auto;font-family:var(--mono);font-size:.6rem;letter-spacing:.11em;
  text-transform:uppercase;padding:3px 8px;border-radius:5px;border:1px solid var(--border);color:var(--text-dim);}
.gcard .tag.easy{color:var(--green);border-color:rgba(39,174,96,.4);}
.gcard .tag.moderate{color:var(--yellow);border-color:rgba(243,156,18,.4);}
.gcard .tag.advanced{color:var(--accent-hover);border-color:rgba(192,57,43,.45);}
.gcard h3{font-size:1.04rem;font-weight:700;color:var(--text);line-height:1.3;margin-bottom:7px;}
.gcard p{font-size:.89rem;color:var(--text-muted);line-height:1.62;margin-bottom:14px;flex:1;}
.gcard .foot{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.68rem;
  letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);
  border-top:1px solid var(--border-soft);padding-top:11px;}
.gcard .foot .read{margin-left:auto;color:var(--accent-hover);font-weight:600;}
.gcard.soon{opacity:.55;pointer-events:none;}
.gcard.soon .foot .read{color:var(--text-dim);}

/* start-here strip */
.startbar{border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:9px;
  background:linear-gradient(90deg,rgba(192,57,43,.10),transparent 62%);padding:20px 24px;margin:34px 0 0;}
.startbar h2{font-size:1.12rem;font-weight:700;margin-bottom:8px;}
.startbar p{color:var(--text-muted);font-size:.94rem;line-height:1.7;max-width:74ch;margin-bottom:14px;}
.startbar ol{margin:0 0 0 20px;color:#bdbdbd;font-size:.94rem;line-height:1.8;}
.startbar ol strong{color:var(--text);}

@media (max-width:980px){
  .shell{grid-template-columns:minmax(0,1fr);gap:0;}
  .toc{display:none;}
  .prose{max-width:none;}
  .mobile-toc{display:block;margin:0 0 30px;border:1px solid var(--border);border-radius:7px;
    background:var(--surface);overflow:hidden;}
  .mobile-toc summary{cursor:pointer;list-style:none;padding:13px 16px;font-family:var(--mono);
    font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text);
    display:flex;align-items:center;justify-content:space-between;min-height:46px;}
  .mobile-toc summary::-webkit-details-marker{display:none;}
  .mobile-toc summary::after{content:'+';color:var(--accent-hover);font-size:1rem;}
  .mobile-toc[open] summary::after{content:'−';}
  .mobile-toc-links{padding:4px 16px 13px;border-top:1px solid var(--border-soft);
    max-height:60vh;overflow-y:auto;}
  .mobile-toc-links a{display:block;padding:10px 0;color:var(--text-muted);
    border-bottom:1px solid var(--border-soft);text-decoration:none;line-height:1.35;}
  .mobile-toc-links a:last-child{border-bottom:0;}
  .mobile-toc-links a.sub{padding-left:16px;font-size:.9rem;}
}
@media (max-width:640px){
  .masthead{padding:38px 18px 20px;}
  .crumb{padding:16px 18px 0;}
  .shell{padding:26px 18px 72px;}
  .hub{padding:8px 18px 70px;}
  .dd,.pn{grid-template-columns:1fr;}
  .pn .next{text-align:left;}
  body:not(.resources-section) .site-header{padding:10px 14px;}
  body:not(.resources-section) .site-header .brand{font-size:.95rem;white-space:normal;}
  .factbar .f{min-width:50%;flex:1 1 50%;}
  .grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important;}}

/* ==========================================================================
   MOBILE PASS - phones are most of the traffic.
   Desktop is untouched: everything below is inside a max-width query.
   ======================================================================= */
@media (max-width:640px){

  /* The header was sticky with seven links, wrapping to three rows and then
     holding a third of the screen for the whole page. Let it scroll away. */
  body:not(.resources-section) .site-header{position:static;padding:10px 14px;gap:6px 8px;}
  body:not(.resources-section) .site-header nav{gap:2px;}
  /* 44px minimum touch target, per the accessibility guideline */
  body:not(.resources-section) .site-header nav a{padding:12px 10px;font-size:.92rem;line-height:1.1;}

  /* Comparison tables: 520px of minimum width meant scrolling every one of them.
     Tighter type and padding fits most on screen; the rest still scroll, and now
     there is a visible edge to say so. */
  table.cmp{min-width:0;font-size:.86rem;}
  table.cmp th,table.cmp td{padding:9px 10px;}
  .tablewrap{
    background:linear-gradient(90deg,var(--bg) 30%,transparent),
               linear-gradient(90deg,transparent,var(--bg) 70%) 100% 0,
               radial-gradient(farthest-side at 0 50%,rgba(0,0,0,.5),transparent),
               radial-gradient(farthest-side at 100% 50%,rgba(0,0,0,.5),transparent) 100% 0;
    background-repeat:no-repeat;background-size:36px 100%,36px 100%,14px 100%,14px 100%;
    background-attachment:local,local,scroll,scroll;
  }

  /* Give code and prompts the full width back. */
  .cmd,pre{font-size:.76rem;padding:11px 12px;}

  /* Slightly larger body text: 15px base is fine on a desktop and tight on a phone. */
  html{font-size:16px;}
  .prose p,.prose li{font-size:.95rem;}

  /* Long links and commands should wrap rather than push the page sideways. */
  .prose a,.sources a,.u{word-break:break-word;overflow-wrap:anywhere;}
  code{overflow-wrap:anywhere;}

  /* Steps and callouts: reclaim the indent. */
  .steps>li{padding-left:38px;}
  .box{padding:15px 16px;}
  .factbar .f{min-width:50%;flex:1 1 50%;}
}

@media (max-width:420px){
  body:not(.resources-section) .site-header .brand{font-size:.9rem;}
  .masthead h1{font-size:1.75rem;}
  table.cmp{font-size:.82rem;}
  table.cmp th,table.cmp td{padding:8px 8px;}
}