/* prewarmedmailbox.com: the field manual. Cool paper, ink rules, serif display, cobalt accent, mono data.
   Sibling of prewarmedmailboxes.com (warm paper + forest green), deliberately not a clone. */
:root{
  --bg:#F3F2EC;--bg-2:#E9E7DE;--card:#FBFAF6;--ink:#111318;--ink-2:#2A2D35;--muted:#585C66;--faint:#8B8E96;
  --line:#DEDBD0;--line-2:#C9C5B8;--blue:#2140D8;--blue-2:#1A31A8;--blue-soft:#E2E6F8;--blue-tint:#EEF0F8;
  --mint:#127A52;--mint-soft:#DDEEE5;--amber:#A35F08;--amber-soft:#F6E8CF;--red:#B3352C;--red-soft:#F5DFDA;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;--font:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;--mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --shadow:4px 4px 0 var(--ink);--shadow-lg:7px 7px 0 var(--ink);color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0F1013;--bg-2:#17181C;--card:#16171B;--ink:#ECEAE3;--ink-2:#D2D0C8;--muted:#A3A39C;--faint:#76766F;
  --line:#2A2B2F;--line-2:#3A3B40;--blue:#7D93FF;--blue-2:#A7B5FF;--blue-soft:#1C2347;--blue-tint:#15182A;
  --mint:#4CC895;--mint-soft:#11281F;--amber:#E9A94C;--amber-soft:#2B2010;--red:#EE7F75;--red-soft:#2E1715;
  --shadow:4px 4px 0 #000;--shadow-lg:7px 7px 0 #000;color-scheme:dark;
}}
@media (prefers-color-scheme:dark){.btn-primary,.btn-primary:hover{color:#0F1013}.site-nav .nav-cta:hover{color:#0F1013}}
*{box-sizing:border-box}[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16.5px/1.65 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--line-2);text-decoration-thickness:1.5px;text-underline-offset:3px}
a:hover{color:var(--blue-2);text-decoration-color:var(--blue)}
h1,h2,h3{font-family:var(--serif);font-weight:400;color:var(--ink);letter-spacing:-.01em;line-height:1.02;margin:0 0 .45em}
h1{font-size:clamp(3.3rem,6.4vw,5.4rem);letter-spacing:-.02em;line-height:.96}
h1 em,h2 em{font-style:italic;color:var(--blue)}
h2{font-size:clamp(2rem,3.6vw,3rem)}
h3{font-size:1.5rem;line-height:1.1}
.h-sm{font-size:1.9rem}
p{margin:0 0 1em}
code,kbd{font:500 .84em var(--mono);background:var(--bg-2);padding:.12em .4em;border-radius:4px}
.wrap{width:min(1180px,100% - 40px);margin-inline:auto}
.section{padding:clamp(60px,8vw,104px) 0 0}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:12px;z-index:99;background:var(--card);padding:8px 12px}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* masthead + header */
.masthead-strip{background:var(--ink);color:var(--bg);font:500 .78rem var(--mono);letter-spacing:.02em;padding:8px 0}
.masthead-strip .wrap{display:flex;justify-content:space-between;gap:12px}
.masthead-strip a{color:var(--bg);text-decoration-color:rgba(255,255,255,.3)}
@media (max-width:640px){.masthead-strip .wrap span:last-child{display:none}.masthead-strip{font-size:.7rem}}
.site-header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--ink)}
.head-row{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink)}
.brand span{font:400 1.6rem/1 var(--serif);letter-spacing:-.01em}.brand b{font-weight:400;font-style:italic;color:var(--blue)}
.logo{width:32px;height:32px}
.site-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.site-nav a{color:var(--ink-2);text-decoration:none;font-size:.92rem;font-weight:500;padding:8px 12px}
.site-nav a:hover{color:var(--ink);background:var(--bg-2);border-radius:8px}
.site-nav a[aria-current]{box-shadow:inset 0 -2px 0 var(--blue);color:var(--ink)}
.site-nav .nav-cta{background:var(--ink);color:var(--bg);margin-left:10px;padding:9px 18px;border-radius:999px}
.site-nav .nav-cta:hover{background:var(--blue);color:#fff}
.menu-btn{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--ink);background:transparent;border-radius:10px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.menu-btn span{width:18px;height:2px;background:var(--ink);transition:transform .2s}
.menu-btn[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-btn[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
@media (max-width:880px){.menu-btn{display:flex}.site-nav{display:none;position:absolute;left:0;right:0;top:68px;flex-direction:column;align-items:stretch;padding:10px 20px 18px;background:var(--bg);border-bottom:1px solid var(--ink)}.site-nav.open{display:flex}.site-nav a{padding:12px 4px}.site-nav a[aria-current]{box-shadow:none;color:var(--blue)}.site-nav .nav-cta{margin:8px 0 0;text-align:center}}

/* buttons, labels */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;font:600 .95rem var(--font);text-decoration:none;border:1.5px solid var(--ink);cursor:pointer;transition:background-color .2s,color .2s,transform .2s,box-shadow .2s}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-2);border-color:var(--blue-2);color:#fff}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--bg)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.pill{display:inline-flex;align-items:center;font:600 .7rem var(--mono);letter-spacing:.04em;text-transform:uppercase;padding:3px 8px;border:1px solid var(--line-2);border-radius:4px;color:var(--muted);background:transparent}
.pill-blue{border-color:var(--blue);color:var(--blue)}.pill-mint{border-color:var(--mint);color:var(--mint)}.pill-amber{border-color:var(--amber);color:var(--amber)}.pill-red{border-color:var(--red);color:var(--red)}
.kicker{display:inline-flex;align-items:center;gap:10px;font:500 .78rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--blue);margin-bottom:20px}
.kicker i{width:22px;height:1.5px;background:var(--blue)}
.fine{font-size:.82rem;color:var(--muted);margin:14px 0 0}
.ticks{list-style:none;padding:0;margin:0 0 4px;display:grid;gap:9px}
.ticks li{position:relative;padding-left:26px}
.ticks li:before{content:'';position:absolute;left:0;top:.5em;width:14px;height:8px;border-left:2px solid var(--mint);border-bottom:2px solid var(--mint);transform:rotate(-45deg)}
.crosses li:before{width:14px;height:2px;border:0;background:var(--red);transform:none;top:.75em}

/* home hero */
.hero{padding:clamp(40px,6vw,76px) 0 0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center;padding-bottom:clamp(36px,5vw,60px);border-bottom:1px solid var(--ink)}
.hero h1{max-width:11ch}
.hero .lead{font-size:clamp(1.08rem,1.6vw,1.22rem);color:var(--ink-2);max-width:54ch;margin-top:8px}
.hero-proof{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:24px;color:var(--muted);font:500 .78rem var(--mono);text-transform:uppercase;letter-spacing:.04em}
.hero-proof span:before{content:'✓ ';color:var(--mint)}
@media (max-width:960px){.hero-grid{grid-template-columns:minmax(0,1fr)}.hero h1{max-width:none}}

/* ramp widget */
.ramp-card{background:var(--card);border:1.5px solid var(--ink);border-radius:18px;box-shadow:var(--shadow-lg);padding:22px 22px 18px}
.ramp-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.ramp-top b{font:400 1.45rem/1.1 var(--serif);display:block}.ramp-top small{color:var(--muted);font-size:.82rem}
.legend{display:flex;gap:12px;font:500 .72rem var(--mono);color:var(--muted);flex-wrap:wrap;justify-content:flex-end}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;vertical-align:-1px}
.ramp-svg{width:100%;height:auto;overflow:visible}
.ramp-svg .grid line{stroke:var(--line);stroke-dasharray:2 4}
.ramp-svg text{fill:var(--faint);font:500 10px var(--mono)}
.ramp-readout{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:14px;border:1px solid var(--ink);border-radius:12px;overflow:hidden}
.ramp-readout div{padding:12px 14px;background:var(--bg)}
.ramp-readout div+div{border-left:1px solid var(--ink)}
.ramp-readout span{font:500 .7rem var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--muted);display:block}
.ramp-readout strong{font:400 2.4rem/1.1 var(--serif);font-variant-numeric:tabular-nums}
.ramp-readout .pre{background:var(--blue-tint)}.ramp-readout .pre strong{color:var(--blue)}
.slider-row{display:flex;align-items:center;gap:12px;margin-top:14px;font:500 .78rem var(--mono);color:var(--muted);text-transform:uppercase}
input[type=range]{flex:1;accent-color:var(--blue);height:28px}

/* quick answer */
.quick{position:relative;background:var(--card);border:1px solid var(--line-2);border-left:4px solid var(--blue);border-radius:4px 14px 14px 4px;padding:18px 24px;margin:30px 0 0}
.quick-label{font:600 .72rem var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--blue)}
.quick p{margin:.4em 0 0;font:400 1.35rem/1.4 var(--serif);color:var(--ink-2)}

/* section heads */
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:24px;align-items:end;margin-bottom:30px;padding-bottom:18px;border-bottom:1px solid var(--line-2)}
.sec-head h2{margin:0}
.sec-head p{color:var(--muted);max-width:52ch;margin:0;justify-self:end}
@media (max-width:760px){.sec-head{grid-template-columns:minmax(0,1fr)}.sec-head p{justify-self:start}}

/* flow4 */
.flow4{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1.5px solid var(--ink);border-radius:18px;overflow:hidden;background:var(--card)}
.flow4 article{padding:22px;display:flex;flex-direction:column;gap:10px;border-right:1px solid var(--line-2)}
.flow4 article:last-child{border-right:0}
.flow4 .step-n{font:500 .74rem var(--mono);color:var(--blue);text-transform:uppercase;letter-spacing:.05em}
.flow4 h3{margin:0;font-size:1.7rem}.flow4 p{color:var(--muted);font-size:.92rem;margin:0}
.mini{border:1px solid var(--line-2);border-radius:10px;background:var(--bg);padding:10px 12px;font:500 .74rem/1.5 var(--mono);color:var(--ink-2);min-height:108px;margin-top:auto}
.mini .r{display:flex;justify-content:space-between;gap:8px;padding:3px 0;border-bottom:1px dashed var(--line-2)}
.mini .r:last-child{border:0}
.ok{color:var(--mint)}.warn{color:var(--amber)}.bad{color:var(--red)}
.bars{display:flex;align-items:flex-end;gap:5px;height:84px;padding-top:6px}
.bars i{flex:1;background:var(--blue);border-radius:2px}
.bars i:nth-child(odd){opacity:.75}
@media (max-width:960px){.flow4{grid-template-columns:1fr 1fr}.flow4 article:nth-child(2){border-right:0}.flow4 article:nth-child(-n+2){border-bottom:1px solid var(--line-2)}}
@media (max-width:560px){.flow4{grid-template-columns:minmax(0,1fr)}.flow4 article{border-right:0!important;border-bottom:1px solid var(--line-2)}.flow4 article:last-child{border-bottom:0}}

/* matrix */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.matrix article{border-radius:16px;padding:24px;border:1px solid var(--line-2);background:var(--card)}
.matrix article.best{border:1.5px solid var(--ink);box-shadow:var(--shadow-lg);background:var(--card)}
.matrix h3{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:2rem}
.matrix p{color:var(--ink-2)}
.matrix dl{margin:16px 0 0;display:grid;gap:0;border-top:1px solid var(--line)}
.matrix dl dt{font:500 .7rem var(--mono);text-transform:uppercase;letter-spacing:.05em;color:var(--faint);padding-top:10px}
.matrix dd{margin:0;font-size:.95rem;padding-bottom:10px;border-bottom:1px solid var(--line)}
@media (max-width:860px){.matrix{grid-template-columns:minmax(0,1fr)}}

/* tools */
.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.tool-card{display:grid;grid-template-columns:minmax(0,1fr) 176px;gap:18px;align-items:stretch;text-decoration:none;color:inherit;background:var(--card);border:1.5px solid var(--ink);border-radius:16px;padding:22px;transition:transform .2s,box-shadow .2s}
.tool-card:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow-lg);color:inherit}
.tool-card h3{margin:10px 0 8px;font-size:1.85rem}.tool-card p{color:var(--muted);font-size:.93rem;margin:0}
.tool-card .go{display:inline-block;margin-top:14px;font:600 .9rem var(--font);color:var(--blue)}
.tool-prev{border:1px solid var(--line-2);border-radius:10px;background:var(--ink);color:#D7DBE6;padding:12px;font:500 .7rem/1.6 var(--mono);overflow:hidden;align-self:center}
.tool-prev .ok{color:#6EE7B7}.tool-prev .warn{color:#FCD34D}.tool-prev b{color:#fff}
@media (max-width:860px){.tool-grid{grid-template-columns:minmax(0,1fr)}}
@media (max-width:480px){.tool-card{grid-template-columns:minmax(0,1fr)}.tool-prev{display:none}}

/* getlead box */
.gl-box{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,52px);align-items:center;background:var(--card);border:1.5px solid var(--ink);border-radius:22px;padding:clamp(24px,4vw,44px);box-shadow:8px 8px 0 var(--blue);margin-top:clamp(60px,8vw,104px)}
.gl-box h2{margin:14px 0 12px}.gl-box p{color:var(--ink-2)}
.gl-box .ticks{margin-top:16px}
.handover{background:var(--bg);border:1px solid var(--ink);border-radius:14px;padding:16px}
.ho-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.ho-top b{font:400 1.4rem var(--serif)}
.ok-dot{font:600 .7rem var(--mono);text-transform:uppercase;color:var(--mint);border:1px solid var(--mint);padding:2px 8px;border-radius:4px}
.ho-row{display:grid;grid-template-columns:96px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px 0;border-top:1px dashed var(--line-2);font-size:.86rem}
.ho-row span{color:var(--muted)}.ho-row b{font:500 .78rem var(--mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ho-row em{font:600 .66rem var(--mono);font-style:normal;text-transform:uppercase;color:var(--blue)}
.ho-spark{border-top:1px dashed var(--line-2);padding-top:10px}.ho-spark svg{height:44px;width:100%}.ho-spark small{color:var(--muted);font-size:.78rem}
@media (max-width:860px){.gl-box{grid-template-columns:minmax(0,1fr)}}

/* faq */
.faq{border-top:1px solid var(--ink);max-width:900px}
.faq details{border-bottom:1px solid var(--line-2)}
.faq summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;font:400 1.45rem/1.25 var(--serif);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{position:absolute;right:4px;top:22px;width:20px;height:20px}
.faq summary i:before,.faq summary i:after{content:'';position:absolute;left:2px;right:2px;top:9px;height:1.5px;background:var(--blue);transition:transform .2s}
.faq summary i:after{transform:rotate(90deg)}.faq details[open] summary i:after{transform:rotate(0)}
.faq details p{color:var(--ink-2);margin:0 0 20px;max-width:72ch}

/* related */
.related{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.related a{position:relative;display:block;text-decoration:none;color:inherit;padding:20px 40px 20px 0;border-bottom:1px solid var(--line-2)}
.related a+a{padding-left:20px;border-left:1px solid var(--line-2)}
.related b{display:block;font:400 1.45rem/1.15 var(--serif);margin-bottom:6px}.related span{color:var(--muted);font-size:.9rem}
.related i{position:absolute;right:14px;top:22px;font-style:normal;color:var(--blue)}
.related a:hover b{color:var(--blue)}
@media (max-width:860px){.related{grid-template-columns:minmax(0,1fr)}.related a+a{padding-left:0;border-left:0}}

/* crumbs & article */
.crumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font:500 .75rem var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding-top:22px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--blue)}.crumbs i{font-style:normal;color:var(--faint)}
.art-head{padding:26px 0 8px}
.art-head h1{max-width:18ch;font-size:clamp(2.6rem,5.4vw,4.4rem)}
.art-head .lead{font:400 clamp(1.2rem,1.9vw,1.45rem)/1.45 var(--serif);color:var(--ink-2);max-width:60ch}
.byline{display:flex;flex-wrap:wrap;gap:6px 20px;font:500 .74rem var(--mono);text-transform:uppercase;letter-spacing:.03em;color:var(--muted);margin-top:16px;padding:12px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--line-2)}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:64px;align-items:start;padding-top:28px}
.prose{max-width:740px}
.prose h2{margin-top:1.7em;scroll-margin-top:90px}
.prose h3{margin-top:1.4em;font-size:1.7rem}
.prose ul,.prose ol{padding-left:1.25em}.prose li{margin:.4em 0}
.prose li::marker{color:var(--blue)}
.toc{position:sticky;top:92px;display:flex;flex-direction:column;gap:0;border-top:1.5px solid var(--ink);font-size:.9rem}
.toc b{font:600 .72rem var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:12px 0 6px}
.toc a{color:var(--ink-2);text-decoration:none;padding:8px 0;border-bottom:1px solid var(--line)}.toc a:hover{color:var(--blue)}
@media (max-width:980px){.art-layout{grid-template-columns:minmax(0,1fr)}.toc{display:none}}

/* figures, tables, callouts */
.figure{margin:28px 0;background:var(--card);border:1px solid var(--line-2);border-radius:16px;padding:20px}
.figure svg{max-width:720px;margin-inline:auto}
.figure figcaption{font-size:.85rem;color:var(--muted);margin-top:12px;padding-top:10px;border-top:1px solid var(--line)}
.figure svg text{font-family:var(--font)}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--card)}
.tbl th,.tbl td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font:600 .7rem var(--mono);text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:var(--bg-2);border-bottom:1px solid var(--ink)}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{font-weight:600}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:24px 0;border:1px solid var(--ink);border-radius:12px}
.tbl-wrap .tbl{min-width:520px}.tbl-wrap .tbl.narrow{min-width:0}
.callout{border-radius:4px 12px 12px 4px;padding:16px 18px;margin:22px 0;border:1px solid var(--line-2);border-left:4px solid var(--blue);background:var(--card)}
.callout b{display:block;margin-bottom:4px}.callout p{margin:0;color:var(--ink-2)}
.callout.warn{border-left-color:var(--amber)}.callout.bad{border-left-color:var(--red)}
.src{font-size:.82rem;color:var(--muted)}.src a{color:var(--muted)}

/* tools common */
.tool-hero{padding:26px 0 0}
.tool-hero h1{font-size:clamp(2.6rem,5.4vw,4.4rem);max-width:16ch}
.tool-hero .lead{font:400 clamp(1.2rem,1.9vw,1.45rem)/1.45 var(--serif);color:var(--ink-2);max-width:60ch;padding-bottom:22px;border-bottom:1px solid var(--ink)}
.tool-shell{display:grid;grid-template-columns:360px minmax(0,1fr);gap:22px;margin-top:30px;align-items:start}
.panel{background:var(--card);border:1.5px solid var(--ink);border-radius:16px;padding:22px}
.out{box-shadow:var(--shadow-lg)}
.panel h2{font-size:1.7rem;margin-bottom:12px}
.field{display:grid;gap:6px;margin-bottom:16px}
.field label,.field .lab{font:600 .78rem var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--ink-2);display:flex;justify-content:space-between}
.field label output,.field .lab output{color:var(--blue)}
.field input[type=number],.field input[type=text],.field input[type=date],.field select{width:100%;min-height:46px;border:1px solid var(--ink);border-radius:10px;padding:0 14px;font:500 1rem var(--font);color:var(--ink);background:var(--bg)}
.field input:focus,.field select:focus{outline:none;box-shadow:0 0 0 3px var(--blue-soft);border-color:var(--blue)}
.field small{color:var(--faint);font-size:.8rem;text-transform:none;letter-spacing:0;font-family:var(--font)}
.seg{display:flex;border:1px solid var(--ink);border-radius:999px;padding:3px;gap:3px}
.seg button{flex:1;border:0;background:transparent;border-radius:999px;padding:8px;font:600 .85rem var(--font);color:var(--muted);cursor:pointer}
.seg button[aria-pressed=true]{background:var(--ink);color:var(--bg)}
.out{min-height:340px}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--ink);border-radius:12px;overflow:hidden}
.kpis.k4{grid-template-columns:repeat(4,1fr)}
.kpi{padding:16px 18px;background:var(--card);border-right:1px solid var(--line-2)}
.kpi:last-child{border-right:0}
.kpi span{display:block;font:500 .7rem var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.kpi strong{display:block;font:400 clamp(2.2rem,4vw,3.2rem)/1.05 var(--serif);font-variant-numeric:tabular-nums;margin-top:4px}
.kpi small{color:var(--faint);font-size:.78rem}
.kpi.hl{background:var(--blue-tint)}.kpi.hl strong{color:var(--blue)}
@media (max-width:980px){.tool-shell{grid-template-columns:minmax(0,1fr)}}
@media (max-width:860px){.kpis.k4{grid-template-columns:1fr 1fr}.kpis.k4 .kpi:nth-child(2){border-right:0}.kpis.k4 .kpi:nth-child(-n+2){border-bottom:1px solid var(--line-2)}}
@media (max-width:560px){.kpis{grid-template-columns:1fr 1fr}.kpis .kpi:nth-child(2){border-right:0}.kpis .kpi:nth-child(3){grid-column:1/-1;border-top:1px solid var(--line-2)}}

/* dns */
.dns-form{display:flex;gap:10px;margin-top:28px;max-width:740px}
.dns-form input{flex:1;min-height:58px;border:1.5px solid var(--ink);border-radius:999px;padding:0 24px;font:500 1.08rem var(--mono);background:var(--card);color:var(--ink);box-shadow:var(--shadow)}
.dns-form input:focus{outline:none;border-color:var(--blue)}
.dns-form .btn{min-height:58px}
@media (max-width:560px){.dns-form{flex-direction:column}}
.dns-sum{display:grid;grid-template-columns:200px minmax(0,1fr);gap:24px;align-items:center}
.score-ring{width:180px;height:180px;position:relative}
.score-ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.score-ring .num{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.score-ring .num b{font:400 3.6rem/1 var(--serif)}.score-ring .num small{font:500 .7rem var(--mono);text-transform:uppercase;color:var(--muted)}
.dns-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px}
.dns-card{border:1.5px solid var(--ink);background:var(--card);border-radius:14px;padding:18px}
.dns-card header{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}
.dns-card h3{margin:0;font-size:1.8rem}
.dns-card pre{margin:8px 0 0;white-space:pre-wrap;word-break:break-all;font:500 .76rem/1.55 var(--mono);background:var(--ink);color:#D7DBE6;border-radius:8px;padding:10px 12px;max-height:160px;overflow:auto}
.dns-card p{font-size:.9rem;color:var(--ink-2);margin:10px 0 0}
@media (max-width:760px){.dns-cards{grid-template-columns:minmax(0,1fr)}.dns-sum{grid-template-columns:minmax(0,1fr);justify-items:center;text-align:center}}

/* schedule */
.sched-wrap{max-height:420px;overflow:auto;border:1px solid var(--ink);border-radius:12px;margin-top:16px}
.sched{width:100%;border-collapse:collapse;font:400 .85rem var(--mono);font-variant-numeric:tabular-nums}
.sched th{position:sticky;top:0;background:var(--bg-2);text-align:left;font:600 .68rem var(--mono);text-transform:uppercase;color:var(--muted);padding:9px 12px;border-bottom:1px solid var(--ink)}
.sched td{padding:8px 12px;border-top:1px solid var(--line)}
.sched td:nth-child(2){white-space:nowrap}.sched td:last-child{font:500 .76rem var(--font);color:var(--muted)}
.sched tr.wk td{background:var(--blue-tint);font-weight:600}
.sched .bar{height:8px;border-radius:2px;background:var(--blue);min-width:2px}

/* fleet viz */
.fleet{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.fleet .dom{border:1px solid var(--ink);background:var(--bg);border-radius:6px;padding:5px;display:flex;gap:4px}
.fleet .dom i{width:12px;height:12px;border-radius:2px;background:var(--blue)}
.fleet .dom.spare{border-style:dashed}.fleet .dom.spare i{background:var(--line-2)}

/* race bars */
.race{display:grid;gap:14px;margin-top:20px}
.race-row span{font-size:.86rem;color:var(--muted);display:flex;justify-content:space-between}
.race-row em{font:500 .74rem var(--mono);font-style:normal}
.race-track{height:14px;background:var(--bg-2);border-radius:3px;overflow:hidden;margin-top:6px;border:1px solid var(--line-2)}
.race-track i{display:block;height:100%;background:var(--blue);transition:width .4s cubic-bezier(.22,1,.36,1)}
.race-track.fresh i{background:var(--faint)}

/* glossary */
.az{display:flex;flex-wrap:wrap;gap:0;margin:24px 0 10px;border:1px solid var(--ink);border-radius:10px;overflow:hidden;width:max-content;max-width:100%}
.az a{width:40px;height:40px;display:grid;place-content:center;text-decoration:none;font:400 1.3rem var(--serif);color:var(--ink);border-right:1px solid var(--line-2)}
.az a:last-child{border-right:0}.az a:hover{background:var(--ink);color:var(--bg)}
.terms{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;margin-top:20px;border-top:1px solid var(--ink)}
.term{padding:18px 0;border-bottom:1px solid var(--line-2);scroll-margin-top:90px}
.term dt{font:400 1.6rem/1.1 var(--serif);margin-bottom:6px}.term dd{margin:0;color:var(--ink-2);font-size:.95rem}
.term:target dt{color:var(--blue)}
@media (max-width:760px){.terms{grid-template-columns:minmax(0,1fr)}}

/* hubs */
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.hub-card{display:flex;flex-direction:column;gap:12px;text-decoration:none;color:inherit;background:var(--card);border:1.5px solid var(--ink);border-radius:16px;padding:24px;transition:transform .2s,box-shadow .2s}
.hub-card:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow-lg);color:inherit}
.hub-card h2{font-size:1.9rem;margin:0}.hub-card p{color:var(--muted);font-size:.93rem;margin:0}
.hub-card .ico{width:46px;height:46px;border-radius:50%;border:1.5px solid var(--ink);display:grid;place-content:center;color:var(--blue)}
.hub-card .ico svg{width:22px;height:22px}
@media (max-width:860px){.hub-grid{grid-template-columns:minmax(0,1fr)!important}}

/* timeline */
.tline{position:relative;margin:26px 0;padding-left:30px}
.tline:before{content:'';position:absolute;left:8px;top:8px;bottom:8px;width:1.5px;background:var(--ink)}
.tline .ev{position:relative;padding:4px 0 18px}
.tline .ev:before{content:'';position:absolute;left:-28px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--blue)}
.tline .ev b{display:block;font:400 1.45rem/1.15 var(--serif)}.tline .ev span{font:500 .72rem var(--mono);text-transform:uppercase;color:var(--blue)}
.tline .ev p{margin:4px 0 0;color:var(--ink-2);font-size:.94rem}
.check-list{list-style:none;padding:0;display:grid;gap:0;border-top:1px solid var(--line-2)}
.check-list label{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line-2);cursor:pointer}
.check-list input{width:20px;height:20px;accent-color:var(--blue);margin-top:2px;flex:none}
.check-list input:checked+span{color:var(--muted);text-decoration:line-through}
.progress{height:6px;background:var(--bg-2);border-radius:3px;overflow:hidden;margin:10px 0 14px}.progress i{display:block;height:100%;width:0;background:var(--blue);transition:width .3s}

/* spectrum */
.spectrum{display:grid;grid-template-columns:repeat(4,1fr);margin:26px 0 8px;border:1.5px solid var(--ink);border-radius:14px;overflow:hidden}
.spectrum div{padding:16px;background:var(--card);border-right:1px solid var(--line-2)}
.spectrum div:last-child{border-right:0}
.spectrum div:before{content:'';display:block;height:5px;border-radius:2px;margin-bottom:12px}
.spectrum .s1:before{background:var(--mint)}.spectrum .s2:before{background:#6FA77A}.spectrum .s3:before{background:var(--amber)}.spectrum .s4:before{background:var(--red)}
.spectrum b{display:block;font:400 1.3rem/1.15 var(--serif);margin-bottom:4px}.spectrum small{color:var(--muted);font-size:.82rem}
@media (max-width:760px){.spectrum{grid-template-columns:1fr 1fr}.spectrum div:nth-child(2){border-right:0}.spectrum div:nth-child(-n+2){border-bottom:1px solid var(--line-2)}}

/* split bar */
.split-bar{display:flex;height:44px;border-radius:8px;overflow:hidden;margin:12px 0;font:600 .8rem var(--mono);border:1px solid var(--ink)}
.split-bar div{display:grid;place-content:center;color:#fff;transition:flex .3s}
.split-bar .g{background:var(--blue)}.split-bar .m{background:#0E7C6B}

/* footer */
.site-footer{margin-top:clamp(76px,9vw,124px);border-top:1px solid var(--ink);background:var(--bg-2);padding:48px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-grid h3{font:600 .72rem var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:12px}
.foot-grid a{display:block;color:var(--ink-2);text-decoration:none;font-size:.93rem;padding:4px 0}
.foot-grid a:hover{color:var(--blue)}
.foot-brand p{color:var(--muted);font-size:.92rem;margin-top:14px;max-width:40ch}
.foot-brand p a{display:inline;color:var(--ink);text-decoration:underline}
.foot-note{border-top:1px solid var(--line-2);margin-top:32px;padding-top:20px;font-size:.8rem;color:var(--muted)}
.foot-note p{margin:0 0 6px;max-width:110ch}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.site-footer,.gl-box,.toc,.masthead-strip{display:none}}