/*
 * Pillar page layout (template-parts/pillar.php). Everything is scoped under .pillar
 * so the theme header, footer, and author box keep their own styles.
 */
.pillar{
  --navy:#084062;
  --navy-deep:#052B42;
  --cyan:#41BFEF;
  --cyan-dim:#1E9BCC;
  --ink:#13232F;
  --ink-soft:#4A5F6E;
  --paper:#F2F6F9;
  --line:#D6E3EC;
  --line-soft:#E8F0F5;
  --flag:#C8791A;
  --flag-bg:#FDF4E7;
  --measure:640px;
  --stick:24px;
  background:#fff;color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
/* the site root font-size is 10px, so sizes are in px rather than rem */
html:has(.pillar){scroll-behavior:smooth;scroll-padding-top:24px}
/* clear the theme's fixed header (63px), which shows from 992px up */
@media(min-width:992px){.pillar{--stick:87px}html:has(.pillar){scroll-padding-top:87px}}
@media (prefers-reduced-motion:reduce){
  html:has(.pillar){scroll-behavior:auto}
  .pillar *,.pillar *::before,.pillar *::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}
.pillar *{box-sizing:border-box}
.pillar a{color:var(--cyan-dim);text-decoration:none;border-bottom:1px solid rgba(30,155,204,.35)}
.pillar a:hover,.pillar a:focus{color:var(--navy);border-bottom-color:var(--navy);text-decoration:none}
.pillar :focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:2px}
.pillar h1,.pillar h2,.pillar h3,.pillar h4{font-family:inherit;line-height:1.2;margin:0;letter-spacing:-.018em;text-transform:none}
.pillar p{margin:0 0 1.15em;font-size:inherit;line-height:inherit}
.pillar ul,.pillar ol{margin-top:0}
.pillar img{max-width:100%;display:block}
.pillar svg{max-width:100%;height:auto;display:block}
.pillar figure{margin:0}

.pillar .btn{display:inline-block;background:var(--navy);color:#fff;padding:9.92px 18.4px;border-radius:4px;font-weight:600;font-size:14.4px;line-height:1.4;border:0;cursor:pointer;font-family:inherit;transition:background .18s ease;text-shadow:none;box-shadow:none}
.pillar .btn:hover,.pillar .btn:focus{background:var(--cyan-dim);color:#fff;border:0}
.pillar .btn-ghost{background:transparent;color:var(--navy);box-shadow:inset 0 0 0 1.5px var(--navy)}
.pillar .btn-ghost:hover,.pillar .btn-ghost:focus{background:var(--navy);color:#fff}

/* hero */
.pillar .hero{background:var(--navy-deep);color:#fff;padding:56px 0 0;overflow:hidden;margin:0}
.pillar .crumbs{font-size:12.8px;color:#8FB6CE;margin-bottom:25.6px}
.pillar .crumbs a{color:#8FB6CE;border:0}
.pillar .crumbs a:hover{color:var(--cyan)}
.pillar .hero h1{font-size:clamp(33.6px,5.2vw,56px);font-weight:700;max-width:17ch;margin-bottom:16px;color:#fff}
.postid-1774 .pillar .hero h1{max-width:19ch}
.pillar .hero-sub{color:#B9D4E4;font-size:18.08px;max-width:58ch;margin-bottom:25.6px}
.pillar .hero-meta{display:flex;flex-wrap:wrap;gap:8px 25.6px;font-size:13.28px;color:#8FB6CE;padding-bottom:38.4px}
.pillar .hero-meta span{display:flex;align-items:center;gap:7.2px}
.pillar .dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);flex:none}
.pillar .pathwrap svg{display:block;width:100%;height:auto}

/* layout: hero, diagram, and body share the header's .container edges so everything lines up with the logo */
.pillar .hero-in,.pillar .pathwrap,.pillar .shell{width:auto;max-width:none;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.pillar .hero-in,.pillar .pathwrap,.pillar .shell{padding-left:80px;padding-right:80px}}
@media(min-width:992px){.pillar .hero-in,.pillar .pathwrap,.pillar .shell{padding-left:40px;padding-right:40px}}
@media(min-width:1100px){.pillar .hero-in,.pillar .pathwrap,.pillar .shell{width:1100px;max-width:90%;padding-left:0;padding-right:0}}
.pillar .shell{display:flex;gap:56px;align-items:flex-start}
.pillar .rail{position:sticky;top:var(--stick);width:236px;flex:none;padding:41.6px 0;max-height:calc(100vh - var(--stick));overflow-y:auto}
.pillar .rail h2{font-size:12.48px;font-weight:600;color:var(--ink-soft);margin-bottom:14.4px;letter-spacing:0}
.pillar .rail ol{list-style:none;margin:0;padding:0;counter-reset:ch}
.pillar .rail li{counter-increment:ch;margin:0;padding:0}
.pillar .rail li a{display:flex;gap:11.2px;align-items:baseline;padding:6.4px 0;font-size:13.92px;color:var(--ink-soft);border:0;line-height:1.35}
.pillar .rail li a::before{content:counter(ch,decimal-leading-zero);font-family:"IBM Plex Mono",monospace;font-size:11.52px;color:var(--line);flex:none;padding-top:1.6px}
.pillar .rail li a:hover{color:var(--navy)}
.pillar .rail li a.on{color:var(--navy);font-weight:600}
.pillar .rail li a.on::before{color:var(--cyan)}
@media(max-width:1040px){.pillar .rail{display:none}}

.pillar .doc{flex:1;min-width:0;padding:41.6px 0 0;position:relative;max-width:var(--measure)}
.pillar .trunkline{position:absolute;left:-33.6px;top:0;bottom:120px;width:2px;background:var(--line-soft)}
.pillar .trunkline i{position:absolute;left:0;top:0;width:2px;background:var(--cyan);height:0}
@media(max-width:1040px){.pillar .trunkline{display:none}.pillar .doc{max-width:none}}

.pillar .quickans{background:var(--paper);border-left:3px solid var(--cyan);padding:24px 25.6px;margin-bottom:44.8px;border-radius:0 5px 5px 0}
.pillar .quickans p:first-child{font-weight:600;font-size:17.28px;color:var(--navy);margin-bottom:14.4px}
.pillar .quickans ul{margin:0 0 16px;padding-left:17.6px}
.pillar .quickans li{margin-bottom:8.8px;font-size:15.52px}
.pillar .quickans li b{color:var(--navy)}
.pillar .quickans .close{margin:0;font-weight:600;color:var(--navy);font-size:15.52px;float:none;opacity:1;text-shadow:none;line-height:inherit}

/* chapters */
.pillar .ch{padding:38.4px 0;scroll-margin-top:var(--stick);position:relative}
.pillar .ch + .ch{border-top:1px solid var(--line-soft)}
.pillar .chnum{position:absolute;left:-41.6px;top:46.4px;width:19px;height:19px;border-radius:50%;background:#fff;border:2px solid var(--line);display:flex;align-items:center;justify-content:center}
.pillar .chnum i{width:7px;height:7px;border-radius:50%;background:var(--line);transition:background .3s}
.pillar .ch.lit .chnum{border-color:var(--cyan)}
.pillar .ch.lit .chnum i{background:var(--cyan)}
@media(max-width:1040px){.pillar .chnum{display:none}}
.pillar .ch h2{font-size:clamp(24px,3.1vw,31.2px);color:var(--navy);margin-bottom:16px;font-weight:700}
.pillar .ch h3{font-size:18.56px;color:var(--navy);margin:32px 0 11.2px;font-weight:600}
.pillar .ch h4{font-size:15.52px;color:var(--navy);margin:22.4px 0 8px;font-weight:600}

.pillar .flag{background:var(--flag-bg);border:1px solid #F0D9B4;border-radius:5px;padding:17.6px 20px;margin:25.6px 0;font-size:15.2px}
.pillar .flag b{color:var(--flag);display:block;margin-bottom:4.8px}
.pillar .flag p:last-child{margin:0}
.pillar .note{background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:17.6px 20px;margin:25.6px 0;font-size:15.2px}
.pillar .note b{color:var(--navy);display:block;margin-bottom:4.8px}
.pillar .note p:last-child{margin:0}

/* tables */
.pillar .tablewrap{overflow-x:auto;margin:27.2px 0;border:1px solid var(--line);border-radius:5px}
.pillar table{border-collapse:collapse;width:100%;font-size:14.72px;min-width:520px;margin:0;border:0;background:#fff}
.pillar th,.pillar td{padding:12px 14.4px;text-align:left;border:0;border-bottom:1px solid var(--line-soft);vertical-align:top;line-height:1.5}
.pillar thead th{background:var(--navy);color:#fff;font-weight:600;font-size:13.6px;border:0}
.pillar tbody tr:last-child th,.pillar tbody tr:last-child td{border-bottom:0}
.pillar tbody th{font-weight:600;color:var(--navy);background:var(--paper);width:28%}
.pillar .hi{background:rgba(65,191,239,.07)}
.pillar .hi-head{background:var(--cyan-dim) !important}

.pillar .reasons{list-style:none;margin:27.2px 0;padding:0;counter-reset:r}
.pillar .reasons li{counter-increment:r;position:relative;padding:16px 0 16px 49.6px;border-top:1px solid var(--line-soft);margin:0}
.pillar .reasons li:last-child{border-bottom:1px solid var(--line-soft)}
.pillar .reasons li::before{content:counter(r);position:absolute;left:0;top:16px;font-family:"IBM Plex Mono",monospace;font-size:20px;font-weight:500;color:var(--cyan);width:35.2px}
.pillar .reasons b{color:var(--navy);display:block;margin-bottom:2.4px}
.pillar .reasons p{margin:0;font-size:15.2px;color:var(--ink-soft)}

/* tool panels */
.pillar .widget{border:1px solid var(--line);border-radius:6px;margin:32px 0;overflow:hidden;background:#fff}
.pillar .widget-hd{background:var(--paper);border-bottom:1px solid var(--line);padding:13.6px 19.2px}
.pillar .widget-hd b{color:var(--navy);font-size:15.52px;display:block}
.pillar .widget-hd span{font-size:13.44px;color:var(--ink-soft)}
.pillar .widget-bd{padding:21.6px 19.2px}

/* cost model */
.pillar .grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.pillar .grid2{grid-template-columns:1fr}}
.pillar .field label{display:block;font-size:13.6px;font-weight:600;color:var(--navy);margin-bottom:6.4px}
.pillar .field input{width:100%;height:auto;padding:8.8px 11.2px;font-family:inherit;font-size:16px;line-height:1.4;border:1px solid var(--line);border-radius:4px;color:var(--ink);background:#fff;box-shadow:none}
.pillar .field input:focus{border-color:var(--cyan);outline:0;box-shadow:0 0 0 3px rgba(65,191,239,.25)}
.pillar .field small{display:block;font-size:12.48px;color:var(--ink-soft);margin-top:4px}
.pillar .vs{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:5px;overflow:hidden;margin-top:20.8px}
.pillar .vs div{background:var(--paper);padding:17.6px 14.4px;text-align:center}
.pillar .vs div.win{background:rgba(65,191,239,.13)}
.pillar .vs h4{font-size:13.6px;color:var(--ink-soft);font-weight:600;margin-bottom:6.4px}
.pillar .vs .big{font-family:"IBM Plex Mono",monospace;font-size:26.4px;font-weight:600;color:var(--navy);display:block;line-height:1.1}
.pillar .vs small{font-size:12.48px;color:var(--ink-soft);display:block;margin-top:4px}
.pillar .verdict{margin:16px 0 0;font-size:14.72px;color:var(--ink-soft)}
.pillar .verdict b{color:var(--navy)}

/* scorer */
.pillar .scoreq{margin-bottom:17.6px}
.pillar .scoreq p{font-weight:600;color:var(--navy);font-size:15.68px;margin-bottom:8.8px}
.pillar .opts{display:flex;flex-direction:column;gap:6.4px}
.pillar .opts button,.pillar .answers button{display:block;width:100%;text-align:left;padding:9.6px 12.8px;margin:0;border:1px solid var(--line);border-radius:4px;background:#fff;font-family:inherit;font-size:14.72px;font-weight:400;line-height:1.4;color:var(--ink);cursor:pointer;transition:all .15s;text-transform:none;letter-spacing:0;text-shadow:none;box-shadow:none;height:auto}
.pillar .opts button:hover,.pillar .opts button:focus,.pillar .answers button:hover,.pillar .answers button:focus{border-color:var(--cyan);background:var(--paper);color:var(--ink)}
.pillar .opts button[aria-pressed=true]{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600}
.pillar .meter{height:8px;border-radius:99px;background:var(--line-soft);overflow:hidden;display:flex;margin:14.4px 0 8px}
.pillar .meter b{display:block;height:100%;background:var(--cyan);transition:width .35s ease}
.pillar .meter i{display:block;height:100%;background:var(--navy);transition:width .35s ease}
.pillar .meterkey{display:flex;justify-content:space-between;font-size:12.48px;color:var(--ink-soft);margin-bottom:16px}
.pillar .outcome{border-left:3px solid var(--cyan);background:var(--paper);padding:17.6px 19.2px;border-radius:0 4px 4px 0;margin:16px 0}
.pillar .outcome b{color:var(--navy);display:block;margin-bottom:5.6px;font-size:16.8px}
.pillar .outcome p{font-size:15.04px;margin-bottom:0}
.pillar #scoreOut + .btn{margin-top:6.4px}

/* split compare */
.pillar .split{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:5px;overflow:hidden;margin:27.2px 0}
@media(max-width:600px){.pillar .split{grid-template-columns:1fr}}
.pillar .split section{background:#fff;padding:17.6px 19.2px}
.pillar .split h4{font-size:15.2px;color:var(--navy);margin-bottom:9.6px}
.pillar .split ul{margin:0;padding-left:16.8px;font-size:14.72px;color:var(--ink-soft)}
.pillar .split li{margin-bottom:7.2px}
.pillar .split li:last-child{margin:0}

/* profile cards */
.pillar .profiles{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:5px;overflow:hidden;margin:27.2px 0}
.pillar .profiles article{background:#fff;padding:16.8px 19.2px;display:flex;gap:16px;align-items:flex-start}
.pillar .tag{flex:none;font-size:11.52px;font-weight:600;padding:3.2px 8px;border-radius:3px;margin-top:2.4px;white-space:nowrap;line-height:1.5}
.pillar .tag.sip{background:var(--navy);color:#fff}
.pillar .tag.host{background:var(--line-soft);color:var(--ink-soft)}
.pillar .profiles b{display:block;color:var(--navy);font-size:15.2px;margin-bottom:2.4px}
.pillar .profiles p{margin:0;font-size:14.72px;color:var(--ink-soft)}
@media(max-width:480px){.pillar .profiles article{flex-direction:column;gap:8px}}

/* hero diagram: a packet travels the trunk once on load */
.pillar .pk{opacity:0}
@media (prefers-reduced-motion:no-preference){
  .pillar .pk{animation:pillar-travel 3.4s cubic-bezier(.45,0,.55,1) .5s forwards}
  @keyframes pillar-travel{0%{opacity:0;transform:translateX(0)}8%{opacity:1}92%{opacity:1}100%{opacity:0;transform:translateX(var(--dx))}}
}

/* channel calculator */
.pillar .widget-bd > .field{margin-bottom:18.4px}
.pillar .widget-bd > .field label{font-size:14.08px;margin-bottom:7.2px}
.pillar .chips{display:flex;flex-wrap:wrap;gap:7.2px}
.pillar .chips .chip{display:inline-block;width:auto;height:auto;margin:0;padding:8px 13.6px;border:1px solid var(--line);border-radius:4px;background:#fff;font-family:inherit;font-size:13.92px;font-weight:400;line-height:1.4;cursor:pointer;color:var(--ink-soft);transition:all .15s ease;text-transform:none;letter-spacing:0;text-shadow:none;box-shadow:none}
.pillar .chips .chip:hover,.pillar .chips .chip:focus{border-color:var(--cyan);background:#fff;color:var(--ink-soft)}
.pillar .chips .chip[aria-pressed=true]{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600}
.pillar .readout{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:5px;overflow:hidden;margin-top:20.8px}
.pillar .readout div{background:var(--paper);padding:15.2px 12.8px;text-align:center}
.pillar .readout .big{font-family:"IBM Plex Mono",monospace;font-size:28px;font-weight:600;color:var(--navy);line-height:1.1;display:block}
.pillar .readout small{font-size:12.48px;color:var(--ink-soft);display:block;margin-top:4px}
@media(max-width:480px){.pillar .readout .big{font-size:22px}}

/* decision tree */
.pillar .crumbtrail{font-size:13.12px;color:var(--ink-soft);margin-bottom:14.4px;min-height:1.2em}
.pillar .q{font-weight:600;color:var(--navy);margin-bottom:14.4px;font-size:16.32px}
.pillar .answers{display:flex;flex-direction:column;gap:8px}
.pillar .answers button{padding:11.2px 14.4px;font-size:14.88px}
.pillar .outcome p + p{margin-top:9.6px}
.pillar .stepctl{display:flex;margin-top:16px}
.pillar .stepctl[hidden]{display:none}

/* line inventory checklist */
.pillar .checklist{list-style:none;margin:0;padding:0}
.pillar .checklist li{border-bottom:1px solid var(--line-soft);margin:0;padding:0}
.pillar .checklist li:last-child{border:0}
.pillar .checklist label{display:flex;gap:12px;align-items:flex-start;padding:11.2px 3.2px;margin:0;cursor:pointer;font-size:15.04px;font-weight:400;color:var(--ink)}
.pillar .checklist input{width:18px;height:18px;flex:none;margin:3.2px 0 0;accent-color:var(--cyan-dim);cursor:pointer}
.pillar .checklist b{color:var(--navy);font-weight:600}
.pillar .checklist label > span{display:block}
.pillar .checklist label > span > span{color:var(--ink-soft);font-size:14.08px;display:block}
.pillar .tally{margin:16px 0 0;padding-top:14.4px;border-top:1px solid var(--line);font-size:14.72px;color:var(--ink-soft)}
.pillar .tally b{font-family:"IBM Plex Mono",monospace;color:var(--navy);font-size:17.6px}

/* migration phases */
.pillar .phases{list-style:none;margin:28.8px 0;padding:0;position:relative}
.pillar .phases::before{content:"";position:absolute;left:8px;top:12px;bottom:12px;width:2px;background:var(--line)}
.pillar .phases li{position:relative;padding:0 0 20.8px 38.4px;margin:0}
.pillar .phases li:last-child{padding-bottom:0}
.pillar .phases li::before{content:"";position:absolute;left:3px;top:7px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--cyan)}
.pillar .phases b{color:var(--navy);display:block}
.pillar .phases p{margin:2.4px 0 4px;font-size:14.88px;color:var(--ink-soft)}
.pillar .dur{font-family:"IBM Plex Mono",monospace;font-size:12.48px;color:var(--cyan-dim);font-weight:500}

/* faq */
.pillar .faq{border-top:1px solid var(--line)}
.pillar .faq details{border-bottom:1px solid var(--line)}
.pillar .faq summary{padding:16.8px 3.2px;cursor:pointer;font-weight:600;color:var(--navy);font-size:16px;list-style:none;display:flex;gap:16px;align-items:flex-start}
.pillar .faq summary::-webkit-details-marker{display:none}
.pillar .faq summary::after{content:"+";margin-left:auto;font-weight:400;font-size:20.8px;color:var(--cyan-dim);line-height:1;flex:none}
.pillar .faq details[open] summary::after{content:"\2013"}
.pillar .faq .ans{padding:0 3.2px 18.4px;font-size:15.2px;color:var(--ink-soft);max-width:62ch}
.pillar .faq .ans p:last-child{margin:0}

/* closing cta */
.pillar .closer{background:var(--navy-deep);color:#fff;border-radius:6px;padding:32px 28.8px;margin:38.4px 0 16px}
.pillar .closer h2{color:#fff;margin-bottom:12.8px;font-size:24px}
.pillar .closer p{color:#B9D4E4;font-size:15.68px}
.pillar .closer .btn{background:var(--cyan);color:var(--navy-deep);margin-top:9.6px}
.pillar .closer .btn:hover,.pillar .closer .btn:focus{background:#fff;color:var(--navy-deep)}
.pillar .closer a:not(.btn){color:var(--cyan);border-bottom-color:rgba(65,191,239,.4)}

.pillar .related{margin:41.6px 0 64px}
.pillar .related h2{font-size:17.6px;color:var(--navy);margin-bottom:16px}
.pillar .related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:5px;overflow:hidden}
.pillar .related-grid a{background:#fff;padding:16px 17.6px;border:0;display:block;font-size:14.88px;font-weight:600;color:var(--navy)}
.pillar .related-grid a:hover{background:var(--paper)}
.pillar .related-grid a span{display:block;font-weight:400;color:var(--ink-soft);font-size:13.6px;margin-top:3.2px}

/* sticky trial bar */
.pillar .dock{position:fixed;bottom:0;left:0;right:0;z-index:999;background:var(--navy);color:#fff;padding:11.2px 24px;display:flex;align-items:center;gap:16px;transform:translateY(105%);transition:transform .3s ease}
.pillar .dock.up{transform:translateY(0)}
.pillar .dock p{margin:0;font-size:14.72px;color:#D3E7F2}
.pillar .dock .btn{background:var(--cyan);color:var(--navy-deep);margin-left:auto;flex:none}
.pillar .dock .btn:hover,.pillar .dock .btn:focus{background:#fff;color:var(--navy-deep)}
@media(max-width:600px){.pillar .dock p{font-size:13.6px}}

@media print{
  .pillar .rail,.pillar .trunkline,.pillar .chnum,.pillar .dock,.pillar #scoreReset,.pillar .stepctl{display:none !important}
  .pillar .doc{max-width:none}
}