/* ============================================================
   RedOps Insights — shared design system
   Aesthetic: cyber-intelligence editorial brief (dark-first)
   Fonts: Archivo (sans/display) · Newsreader (serif body) · IBM Plex Mono (labels)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;800;900&family=IBM+Plex+Mono:wght@400;500;600&family=Newsreader:ital,opsz,wght@0,16..72,400;0,16..72,500;0,16..72,600;1,16..72,400&display=swap');

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

:root{
  color-scheme:dark;
  --ink:#070a14; --ink-1:#0a0f1d; --surface:#0e1525; --surface-2:#131d31;
  --line:rgba(150,170,210,.12); --line-2:rgba(150,170,210,.24);
  --paper:#eaeef6; --dim:#9fabc4; --faint:#6a7793;
  --red:#e11d2a; --red-br:#ff4250; --red-deep:#a50f1a; --red-wash:rgba(225,29,42,.10);
  --steel:#79acdc;
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
  --sans:'Archivo','Helvetica Neue',Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',monospace;
  --maxw:1200px; --rad:14px; --rad-sm:9px;
  --shadow:0 22px 60px -26px rgba(0,0,0,.75);
  --ease:cubic-bezier(.16,.84,.44,1);
}
[data-theme="light"]{
  color-scheme:light;
  --ink:#f3f5fa; --ink-1:#ecf0f7; --surface:#ffffff; --surface-2:#f6f8fc;
  --line:rgba(20,30,55,.13); --line-2:rgba(20,30,55,.22);
  --paper:#0f1626; --dim:#46506a; --faint:#717c92;
  --red:#c8141f; --red-br:#e11d2a; --red-deep:#8f0d16; --red-wash:rgba(200,20,31,.07);
  --steel:#2c5d8a;
  --shadow:0 20px 46px -24px rgba(20,30,60,.30);
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  font-family:var(--sans); background:var(--ink); color:var(--paper);
  line-height:1.6; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden; position:relative; min-height:100vh;
  transition:background .4s var(--ease), color .4s var(--ease);
}
body::before{ /* hairline dot-grid */
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px, var(--line) 1px, transparent 0);
  background-size:36px 36px; opacity:.55;
  -webkit-mask-image:linear-gradient(to bottom,#000,transparent 82%);
  mask-image:linear-gradient(to bottom,#000,transparent 82%);
}
body::after{ /* atmospheric glow */
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(920px 520px at 100% -6%, var(--red-wash), transparent 60%),
    radial-gradient(760px 620px at -12% 8%, rgba(121,172,220,.05), transparent 55%);
}
.wrap{position:relative;z-index:1}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(18px,4vw,44px)}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--red);color:#fff}

/* ---- kicker / mono labels ---- */
.kick{font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--red-br);font-weight:500;display:inline-flex;align-items:center;gap:.55em}
.kick::before{content:"";width:22px;height:1px;background:var(--red);display:inline-block}
.kick--bare::before{display:none}

/* ============================================================ TOP BAR */
.topbar{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--ink) 86%,transparent);backdrop-filter:blur(8px)}
.topbar__in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:34px;font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.topbar__tag{display:flex;align-items:center;gap:.6em}
.dot{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 0 0 var(--red);animation:pulse 2.6s var(--ease) infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(225,29,42,.5)}70%{box-shadow:0 0 0 7px rgba(225,29,42,0)}100%{box-shadow:0 0 0 0 rgba(225,29,42,0)}}
.themebtn{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);background:none;border:1px solid var(--line);border-radius:99px;padding:3px 11px;cursor:pointer;display:inline-flex;align-items:center;gap:.5em;transition:.25s var(--ease)}
.themebtn:hover{color:var(--paper);border-color:var(--line-2)}

/* ============================================================ NAV */
.nav{position:sticky;top:0;z-index:60;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--ink) 82%,transparent);backdrop-filter:blur(14px)}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:22px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.18rem;letter-spacing:-.02em}
.brand__mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(150deg,var(--red),var(--red-deep));display:grid;place-items:center;box-shadow:0 6px 18px -6px var(--red-wash),inset 0 0 0 1px rgba(255,255,255,.14)}
.brand__mark svg{width:17px;height:17px}
.brand b{color:var(--red-br)}
.brand small{font-family:var(--mono);font-weight:400;font-size:.58rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);display:block;margin-top:1px}
.nav__links{display:flex;align-items:center;gap:28px}
.nav__links a{font-size:.92rem;font-weight:500;color:var(--dim);position:relative;padding:4px 0;transition:color .2s}
.nav__links a:hover,.nav__links a[aria-current="page"]{color:var(--paper)}
.nav__links a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--red)}
.nav__cta{display:flex;align-items:center;gap:14px}
.navtoggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:42px;height:38px;cursor:pointer;color:var(--paper)}
.navtoggle span{display:block;width:18px;height:2px;background:currentColor;margin:3px auto;transition:.25s}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--sans);font-weight:600;font-size:.9rem;border-radius:99px;padding:11px 20px;cursor:pointer;border:1px solid transparent;transition:.25s var(--ease);white-space:nowrap}
.btn svg{width:15px;height:15px;transition:transform .25s var(--ease)}
.btn--primary{background:var(--red);color:#fff;box-shadow:0 12px 30px -12px var(--red)}
.btn--primary:hover{background:var(--red-br);transform:translateY(-2px);box-shadow:0 18px 36px -12px var(--red)}
.btn--primary:hover svg{transform:translateX(3px)}
.btn--ghost{background:transparent;color:var(--paper);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--red);color:var(--red-br)}
.btn--sm{padding:8px 15px;font-size:.82rem}

/* ============================================================ HERO (index) */
.hero{padding:clamp(54px,8vw,104px) 0 clamp(34px,5vw,58px);border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(2.6rem,6.5vw,5rem);font-weight:800;line-height:.98;letter-spacing:-.03em;margin:20px 0 0;max-width:16ch}
.hero h1 em{font-style:normal;color:var(--red-br)}
.hero__sub{font-family:var(--serif);font-size:clamp(1.1rem,2vw,1.42rem);color:var(--dim);max-width:54ch;margin-top:22px;line-height:1.55}
.hero__stats{display:flex;flex-wrap:wrap;gap:clamp(26px,5vw,64px);margin-top:42px}

/* ---- stat ---- */
.stat b{font-family:var(--sans);font-weight:800;font-size:clamp(1.9rem,3.5vw,2.7rem);letter-spacing:-.02em;display:block;line-height:1;background:linear-gradient(120deg,var(--paper),var(--dim));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .c{color:var(--red-br);-webkit-text-fill-color:var(--red-br)}
.stat span{font-family:var(--mono);font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);margin-top:9px;display:block}
.stats{display:flex;flex-wrap:wrap;gap:clamp(22px,4vw,52px)}

/* ============================================================ FILTERS */
.filters{padding:30px 0;border-bottom:1px solid var(--line);position:sticky;top:67px;z-index:40;background:color-mix(in srgb,var(--ink) 88%,transparent);backdrop-filter:blur(12px)}
.filters__row{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.search{position:relative;flex:1;min-width:240px;max-width:380px}
.search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--faint)}
.search input{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:99px;padding:12px 18px 12px 42px;color:var(--paper);font-family:var(--sans);font-size:.92rem;transition:.25s var(--ease)}
.search input::placeholder{color:var(--faint)}
.search input:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 4px var(--red-wash)}
.search kbd{position:absolute;right:13px;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:.66rem;color:var(--faint);border:1px solid var(--line);border-radius:5px;padding:2px 7px}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--dim);background:var(--surface);border:1px solid var(--line);border-radius:99px;padding:7px 14px;cursor:pointer;transition:.22s var(--ease)}
.chip:hover{border-color:var(--line-2);color:var(--paper)}
.chip--on{background:var(--red);border-color:var(--red);color:#fff}

/* ============================================================ CARD GRID */
.grid-wrap{padding:clamp(38px,6vw,68px) 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:22px}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--rad);padding:26px 26px 24px;position:relative;overflow:hidden;transition:.3s var(--ease)}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--red);transform:scaleY(0);transform-origin:top;transition:transform .35s var(--ease)}
.card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:var(--shadow)}
.card:hover::before{transform:scaleY(1)}
.card__kick{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:16px}
.card__tag{color:var(--red-br)}
.card__title{font-size:1.42rem;font-weight:700;line-height:1.15;letter-spacing:-.02em;margin-bottom:12px}
.card:hover .card__title{color:var(--red-br)}
.card__excerpt{font-family:var(--serif);color:var(--dim);font-size:1.02rem;line-height:1.55;flex:1}
.card__meta{display:flex;align-items:center;gap:8px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:.84rem;color:var(--dim);font-weight:500}
.card__meta .arrow{margin-left:auto;color:var(--red-br);transition:transform .25s var(--ease)}
.card:hover .card__meta .arrow{transform:translateX(4px)}
.card--soon{opacity:.62;pointer-events:none}
.card--soon .card__tag{color:var(--faint)}
.noresults{text-align:center;padding:60px 0;color:var(--dim);font-family:var(--serif);font-size:1.15rem;display:none}

/* ============================================================ ARTICLE */
#progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:90;background:transparent}
#progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--red),var(--red-br));box-shadow:0 0 10px var(--red)}

.art-hero{padding:clamp(40px,6vw,76px) 0 clamp(28px,4vw,44px)}
.art-hero__meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:22px}
.art-hero__meta .tag{color:var(--red-br)}
.art-hero__meta .sep{width:4px;height:4px;border-radius:50%;background:var(--line-2)}
.art-hero h1{font-size:clamp(2.1rem,5vw,3.7rem);font-weight:800;line-height:1.03;letter-spacing:-.03em;max-width:20ch}
.art-hero__deck{font-family:var(--serif);font-size:clamp(1.18rem,2.2vw,1.55rem);color:var(--dim);max-width:60ch;margin-top:24px;line-height:1.5}
.byline{display:flex;align-items:center;gap:13px;margin-top:30px;padding-top:26px;border-top:1px solid var(--line)}
.byline__av{width:44px;height:44px;border-radius:50%;background:linear-gradient(150deg,var(--surface-2),var(--surface));border:1px solid var(--line-2);display:grid;place-items:center;font-weight:800;color:var(--red-br);font-size:1rem;flex-shrink:0}
.byline__who b{font-weight:700;font-size:.96rem}
.byline__who span{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);margin-top:3px}

.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 256px;gap:clamp(34px,5vw,72px);align-items:start;padding-bottom:clamp(40px,6vw,72px)}
.toc{position:sticky;top:96px;font-size:.86rem}
.toc__h{font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.toc ul{list-style:none}
.toc a{display:block;color:var(--dim);padding:7px 0 7px 14px;border-left:2px solid var(--line);transition:.22s var(--ease);line-height:1.35}
.toc a:hover{color:var(--paper);border-color:var(--line-2)}
.toc a.active{color:var(--red-br);border-color:var(--red);font-weight:600}
.toc a.sub{padding-left:26px;font-size:.8rem}
.toc__share{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);display:flex;gap:9px}
.iconbtn{width:36px;height:36px;border-radius:9px;border:1px solid var(--line);background:var(--surface);color:var(--dim);display:grid;place-items:center;cursor:pointer;transition:.22s var(--ease)}
.iconbtn:hover{color:var(--red-br);border-color:var(--red)}
.iconbtn svg{width:16px;height:16px}

/* ---- prose ---- */
.prose{font-family:var(--serif);font-size:1.18rem;line-height:1.78;color:#dde3ef;max-width:72ch}
[data-theme="light"] .prose{color:#23304a}
.prose>p{margin:0 0 1.35em}
.prose .lead{font-size:1.34rem;line-height:1.62;color:var(--paper)}
.prose h2{font-family:var(--sans);font-size:clamp(1.5rem,3vw,2.05rem);font-weight:700;letter-spacing:-.02em;line-height:1.12;color:var(--paper);margin:2.2em 0 .65em;scroll-margin-top:100px;position:relative}
.prose h2 .num{font-family:var(--mono);font-size:.8rem;color:var(--red-br);letter-spacing:.1em;display:block;margin-bottom:.5em;font-weight:500}
.prose h3{font-family:var(--sans);font-size:clamp(1.18rem,2vw,1.4rem);font-weight:600;letter-spacing:-.01em;color:var(--paper);margin:1.7em 0 .5em;scroll-margin-top:100px}
.prose a:not(.btn){color:var(--red-br);text-decoration:underline;text-decoration-color:var(--red-wash);text-underline-offset:3px;transition:.2s}
.prose a:not(.btn):hover{text-decoration-color:var(--red-br)}
.prose strong{color:var(--paper);font-weight:600}
.prose ul,.prose ol{margin:0 0 1.35em;padding-left:1.4em}
.prose li{margin:.5em 0;padding-left:.3em}
.prose ul li::marker{color:var(--red)}
.prose ol li::marker{color:var(--red-br);font-family:var(--mono);font-weight:600}
.anchor{opacity:0;margin-left:.4em;color:var(--faint);font-family:var(--mono);font-weight:400;cursor:pointer;transition:.2s;font-size:.7em;vertical-align:middle;border:none;background:none}
.prose h2:hover .anchor,.prose h3:hover .anchor{opacity:1}
.anchor:hover{color:var(--red-br)}

.prose hr{border:none;height:1px;background:var(--line);margin:2.6em 0;position:relative}
.prose hr::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:7px;height:7px;background:var(--red);border-radius:50%;box-shadow:0 0 0 5px var(--ink)}

/* pull quote */
.prose blockquote{margin:1.9em 0;padding:6px 0 6px 28px;border-left:3px solid var(--red);font-size:1.42rem;line-height:1.45;color:var(--paper);font-style:italic}
.prose blockquote p{margin:0}

/* code & kbd */
.prose code{font-family:var(--mono);font-size:.86em;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:.12em .42em;color:var(--red-br)}

/* ---- callouts ---- */
.callout{border:1px solid var(--line);border-radius:var(--rad);padding:24px 26px;margin:2em 0;background:var(--surface);position:relative}
.callout__h{display:flex;align-items:center;gap:10px;font-family:var(--sans);font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.callout__h svg{width:17px;height:17px}
.callout p,.callout li{font-family:var(--serif);font-size:1.04rem;line-height:1.6;color:var(--dim)}
.callout--key{background:linear-gradient(180deg,var(--red-wash),transparent);border-color:color-mix(in srgb,var(--red) 32%,var(--line))}
.callout--key .callout__h{color:var(--red-br)}
.callout--key ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.callout--key li{display:flex;gap:12px;color:var(--paper)}
.callout--key li::before{content:"";flex-shrink:0;width:7px;height:7px;margin-top:.6em;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px var(--red-wash)}
.callout--note .callout__h{color:var(--steel)}
.callout--note{border-color:color-mix(in srgb,var(--steel) 26%,var(--line))}
.callout--warn .callout__h{color:#f0a73a}
.callout--warn{border-color:rgba(240,167,58,.3);background:linear-gradient(180deg,rgba(240,167,58,.07),transparent)}
.callout--check ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.callout--check .callout__h{color:var(--red-br)}
.callout--check li{display:flex;gap:12px;align-items:flex-start;color:var(--paper);font-family:var(--sans);font-size:.98rem}
.callout--check li::before{content:"";flex-shrink:0;width:18px;height:18px;margin-top:2px;border-radius:5px;border:1.5px solid var(--red);background:var(--red-wash);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff4250' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");background-size:13px;background-repeat:no-repeat;background-position:center}

/* ---- in-prose stat row ---- */
.prose .statband{display:flex;flex-wrap:wrap;gap:clamp(20px,4vw,46px);margin:2.2em 0;padding:26px;border:1px solid var(--line);border-radius:var(--rad);background:var(--surface)}

/* ---- comparison table ---- */
.tablewrap{margin:2em 0;border:1px solid var(--line);border-radius:var(--rad);overflow:hidden}
table.cmp{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:.94rem}
table.cmp th,table.cmp td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.45}
table.cmp thead th{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--red-br);background:var(--surface-2)}
table.cmp tbody th{color:var(--paper);font-weight:600;width:30%}
table.cmp td{color:var(--dim)}
table.cmp tr:last-child th,table.cmp tr:last-child td{border-bottom:none}
table.cmp tbody tr:hover{background:var(--surface)}

/* ============================================================ CTA BAND */
.cta{margin:clamp(40px,6vw,72px) 0;border:1px solid color-mix(in srgb,var(--red) 28%,var(--line));border-radius:18px;padding:clamp(34px,5vw,56px);background:
  radial-gradient(700px 300px at 100% 0,var(--red-wash),transparent 65%),var(--surface);position:relative;overflow:hidden}
.cta__kick{margin-bottom:16px}
.cta h2{font-family:var(--sans);font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:800;letter-spacing:-.025em;line-height:1.08;max-width:24ch}
.cta p{font-family:var(--serif);color:var(--dim);font-size:1.12rem;max-width:56ch;margin-top:16px;line-height:1.55}
.cta__btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---- related ---- */
.related{padding:clamp(34px,5vw,56px) 0;border-top:1px solid var(--line)}
.related__h{margin-bottom:26px}
.related .grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}

/* ============================================================ FOOTER */
.foot{border-top:1px solid var(--line);background:var(--ink-1);padding:clamp(46px,6vw,72px) 0 36px;margin-top:auto}
.foot__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot__brand .brand{margin-bottom:18px}
.foot__tag{font-family:var(--serif);color:var(--dim);font-size:1.02rem;line-height:1.55;max-width:46ch}
.foot__col h4{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:16px}
.foot__col a{display:block;color:var(--dim);font-size:.92rem;padding:6px 0;transition:.2s}
.foot__col a:hover{color:var(--red-br)}
.foot__frame{font-family:var(--mono);font-size:.78rem;color:var(--faint);line-height:1.9;letter-spacing:.02em}
.foot__bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}
.foot__bottom a:hover{color:var(--red-br)}

/* ---- toast + back to top ---- */
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,140%);background:var(--surface-2);border:1px solid var(--red);color:var(--paper);font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;padding:11px 20px;border-radius:99px;z-index:120;box-shadow:var(--shadow);transition:transform .4s var(--ease)}
.toast.show{transform:translate(-50%,0)}
.totop{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--red);color:#fff;border:none;cursor:pointer;display:grid;place-items:center;opacity:0;transform:translateY(16px) scale(.8);pointer-events:none;transition:.35s var(--ease);z-index:80;box-shadow:0 12px 28px -10px var(--red)}
.totop.show{opacity:1;transform:none;pointer-events:auto}
.totop:hover{background:var(--red-br)}
.totop svg{width:18px;height:18px}

/* ---- reveal animation ---- */
.reveal{opacity:0;transform:translateY(18px)}
.reveal.in{opacity:1;transform:none;transition:opacity .7s var(--ease),transform .7s var(--ease)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1!important;transform:none!important}
  .dot{animation:none}
}

/* ============================================================ RESPONSIVE */
@media (max-width:900px){
  .art-layout{grid-template-columns:1fr}
  .toc{position:relative;top:0;order:-1;margin-bottom:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--rad);padding:18px 20px}
  .toc__share{display:none}
  .foot__top{grid-template-columns:1fr 1fr}
  .foot__brand{grid-column:1/-1}
}
@media (max-width:720px){
  .nav__links,.nav__cta .btn{display:none}
  .navtoggle{display:block}
  .nav[data-open="true"] .nav__links{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:var(--ink-1);border-bottom:1px solid var(--line);padding:10px 0}
  .nav[data-open="true"] .nav__links a{padding:14px 24px;width:100%}
  .filters{position:static}
  .filters__row{flex-direction:column;align-items:stretch}
  .search{max-width:none}
  .foot__top{grid-template-columns:1fr}
}

/* ============================================================ PRINT */
@media print{
  .topbar,.nav,#progress,.toc__share,.totop,.cta,.related,.filters,.nav__cta{display:none!important}
  body{background:#fff;color:#000}
  body::before,body::after{display:none}
  .art-layout{grid-template-columns:1fr}
  .toc{position:static}
  .prose{max-width:none;color:#000;font-size:11.5pt}
  a{color:#000;text-decoration:none}
  .callout{border:1px solid #ccc;break-inside:avoid}
}

/* ============================================================
   v5 SITE ADDITIONS — homepage, frameworks, services, about, contact
   (extends the insights design system; same tokens & components)
   ============================================================ */

/* eyebrow above page H1s */
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--dim);display:inline-flex;align-items:center;gap:.6em}
.eyebrow b{color:var(--red-br);font-weight:600}

/* nav social icons (LinkedIn / Upwork) */
.nav__social{display:flex;align-items:center;gap:8px}
.nav__social a{width:34px;height:34px;border-radius:8px;border:1px solid var(--line);color:var(--dim);display:grid;place-items:center;transition:.22s var(--ease)}
.nav__social a:hover{color:var(--red-br);border-color:var(--red);transform:translateY(-1px)}
.nav__social svg{width:16px;height:16px}

/* homepage hero CTA row + framework strip */
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.fwk-strip{padding:clamp(30px,4.5vw,48px) 0 0;margin-top:clamp(34px,5vw,52px);border-top:1px solid var(--line)}
.fwk-strip__label{font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-bottom:18px}
.fwk-grid{display:flex;flex-wrap:wrap;gap:12px}
.fwk{font-family:var(--mono);font-size:.82rem;letter-spacing:.02em;color:var(--dim);background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:11px 16px;transition:.22s var(--ease);display:inline-flex;align-items:center;gap:.6em}
.fwk:hover{color:var(--paper);border-color:var(--red);transform:translateY(-2px);box-shadow:0 10px 24px -14px var(--red)}
.fwk__go{color:var(--red-br);opacity:0;width:0;overflow:hidden;transition:.22s var(--ease)}
.fwk:hover .fwk__go{opacity:1;width:14px}

/* generic section + heading block */
.section{padding:clamp(46px,7vw,90px) 0;border-top:1px solid var(--line)}
.section__head{max-width:62ch;margin-bottom:clamp(28px,4vw,46px)}
.section__head h2{font-family:var(--sans);font-size:clamp(1.7rem,3.6vw,2.7rem);font-weight:800;letter-spacing:-.025em;line-height:1.05;margin-top:16px}
.section__head p{font-family:var(--serif);color:var(--dim);font-size:1.12rem;line-height:1.55;margin-top:16px;max-width:58ch}

/* service / feature card icon (reuses .grid/.card) */
.card__ico{width:42px;height:42px;border-radius:11px;background:var(--red-wash);border:1px solid color-mix(in srgb,var(--red) 30%,var(--line));display:grid;place-items:center;color:var(--red-br);margin-bottom:18px}
.card__ico svg{width:21px;height:21px}
a.card .card__title{transition:color .25s var(--ease)}

/* verticals */
.verticals{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.vert{border:1px solid var(--line);border-radius:var(--rad);padding:28px;background:var(--surface);transition:.3s var(--ease)}
.vert:hover{border-color:var(--line-2);transform:translateY(-4px)}
.vert .kick{margin-bottom:14px}
.vert h3{font-size:1.2rem;font-weight:700;margin-bottom:9px;letter-spacing:-.01em}
.vert p{font-family:var(--serif);color:var(--dim);font-size:1.02rem;line-height:1.5}

/* sub-page hero */
.sub-hero{padding:clamp(34px,5vw,64px) 0 clamp(26px,4vw,40px);border-bottom:1px solid var(--line)}
.breadcrumb{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);display:flex;flex-wrap:wrap;gap:.55em;margin-bottom:20px}
.breadcrumb a{color:var(--dim);transition:.2s}
.breadcrumb a:hover{color:var(--red-br)}
.breadcrumb i{color:var(--line-2);font-style:normal}
.sub-hero h1{font-family:var(--sans);font-size:clamp(2rem,4.6vw,3.4rem);font-weight:800;letter-spacing:-.03em;line-height:1.03;margin-top:14px;max-width:19ch}
.sub-hero__deck{font-family:var(--serif);font-size:clamp(1.12rem,2vw,1.42rem);color:var(--dim);max-width:58ch;margin-top:20px;line-height:1.5}
.sub-hero__btns{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}

/* single-column page body */
.page{padding:clamp(40px,5vw,64px) 0 clamp(18px,3vw,30px)}
.page .prose{margin:0}

/* facts / at-a-glance */
.facts{border:1px solid var(--line);border-radius:var(--rad);background:var(--surface);padding:6px 26px;margin:0 0 2.2em}
.facts dl{display:grid;grid-template-columns:max-content 1fr;column-gap:28px}
.facts dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--red-br);padding:16px 0;border-bottom:1px solid var(--line);align-self:start}
.facts dd{font-family:var(--sans);font-size:.97rem;color:var(--paper);padding:16px 0;border-bottom:1px solid var(--line);line-height:1.4}
.facts dl>dt:last-of-type,.facts dl>dd:last-of-type{border-bottom:none}

/* process steps */
.steps{counter-reset:s;display:grid;gap:14px;margin:1.6em 0}
.step{display:flex;gap:18px;border:1px solid var(--line);border-radius:var(--rad);padding:20px 22px;background:var(--surface)}
.step__n{flex-shrink:0;width:34px;height:34px;border-radius:9px;background:var(--red-wash);border:1px solid color-mix(in srgb,var(--red) 30%,var(--line));color:var(--red-br);font-family:var(--mono);font-weight:600;display:grid;place-items:center}
.step__n::before{counter-increment:s;content:counter(s,decimal-leading-zero)}
.step h3{font-size:1.1rem;font-weight:700;margin-bottom:5px}
.step p{font-family:var(--serif);color:var(--dim);font-size:1rem;line-height:1.5}

/* contact */
.cgrid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,4vw,56px);align-items:start}
.cform{display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.field input,.field textarea,.field select{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;color:var(--paper);font-family:var(--sans);font-size:.95rem;transition:.22s var(--ease);width:100%}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 4px var(--red-wash)}
.field textarea{resize:vertical;min-height:130px}
.field--row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cside{border:1px solid var(--line);border-radius:var(--rad);background:var(--surface);padding:28px}
.cside h3{font-size:1.15rem;font-weight:700;margin-bottom:6px}
.cside>p{font-family:var(--serif);color:var(--dim);font-size:1.02rem;line-height:1.5;margin-bottom:8px}
.cside__item{display:flex;gap:13px;padding:16px 0;border-top:1px solid var(--line);align-items:flex-start}
.cside__item svg{width:18px;height:18px;color:var(--red-br);flex-shrink:0;margin-top:3px}
.cside__item a{color:var(--paper);font-weight:500}
.cside__item a:hover{color:var(--red-br)}
.cside__item small{font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);display:block;margin-bottom:3px}

/* about bio */
.bio{display:grid;grid-template-columns:190px 1fr;gap:clamp(28px,4vw,52px);align-items:start}
.bio__av{width:190px;height:190px;border-radius:18px;background:linear-gradient(150deg,var(--surface-2),var(--surface));border:1px solid var(--line-2);display:grid;place-items:center;font-family:var(--sans);font-weight:800;font-size:3.3rem;color:var(--red-br);box-shadow:var(--shadow)}
.cred{display:flex;flex-wrap:wrap;gap:9px;margin:6px 0 18px}
.cred span{font-family:var(--mono);font-size:.72rem;letter-spacing:.03em;color:var(--dim);background:var(--surface);border:1px solid var(--line);border-radius:99px;padding:6px 13px}

/* inline lede (non-prose intros) */
.lede{font-family:var(--serif);font-size:clamp(1.18rem,2.1vw,1.45rem);line-height:1.55;color:var(--paper);max-width:60ch}

/* v5 responsive */
@media (max-width:900px){
  .verticals{grid-template-columns:1fr}
  .cgrid{grid-template-columns:1fr}
  .bio{grid-template-columns:1fr;justify-items:start}
  .bio__av{width:120px;height:120px;font-size:2.2rem}
}
@media (max-width:720px){
  .nav__social{display:none}
  .field--row{grid-template-columns:1fr}
}