/* =========================================================
   SOLARGRIN — Design System
   Signature: the "array" motif — content blocks read like
   rows of panels on a rooftop. Data readouts use a mono
   "inverter display" face. Palette pulls from dusk sky,
   PV-cell blue and sun gold rather than generic AI defaults.
   ========================================================= */

:root{
  /* --- color tokens --- */
  --sky:        #F3F6F4;   /* page background, cool off-white */
  --sky-dim:    #E7ECE9;   /* secondary surface */
  --panel-blue: #123A56;   /* deep PV-cell blue — headers, nav */
  --panel-blue-2:#1B4A6E;  /* lighter panel blue for gradients */
  --dusk:       #0B2436;   /* darkest ink, footer */
  --sun:        #EF9F2E;   /* sun gold — primary accent */
  --sun-soft:   #FBD98B;   /* light gold, highlights */
  --leaf:       #2F8F5B;   /* savings / positive green */
  --leaf-dim:   #E6F3EC;   /* leaf tint background */
  --slate:      #4A5A63;   /* body text */
  --slate-2:    #7C8D95;   /* muted text */
  --line:       #D9E1DD;   /* hairline borders */
  --white:      #FFFFFF;
  --danger:     #C1502E;

  /* --- type --- */
  --f-display: "Space Grotesk", "Segoe UI", sans-serif;
  --f-body:    "IBM Plex Sans", "Segoe UI", sans-serif;
  --f-mono:    "IBM Plex Mono", "Courier New", monospace;

  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 1px 2px rgba(11,36,54,0.06), 0 6px 20px rgba(11,36,54,0.06);
  --shadow-lift: 0 10px 30px rgba(11,36,54,0.14);
}

@font-face{ font-family: dummy; src: local("dummy"); } /* keep fallback stack robust offline */

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--f-body);
  color: var(--slate);
  background: var(--sky);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: var(--panel-blue-2); text-decoration: none; }
a:hover{ text-decoration: underline; }
h1,h2,h3,h4{
  font-family: var(--f-display);
  color: var(--dusk);
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(1.9rem, 3.4vw, 2.9rem); }
h2{ font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
h3{ font-size: 1.15rem; }
p{ margin: 0 0 1em; }
.container{ max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.container-narrow{ max-width: 800px; margin: 0 auto; padding: 0 20px; }
:focus-visible{ outline: 3px solid var(--sun); outline-offset: 2px; }
.visually-hidden{ position:absolute; width:1px;height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }

/* =========================== NAV =========================== */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: var(--panel-blue);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 20px; max-width:1180px; margin:0 auto;
}
.brand{
  display:flex; align-items:center; gap:9px;
  font-family: var(--f-display); font-weight:700; font-size:1.25rem;
  color:#fff;
}
.brand .mark{
  width:26px; height:26px; border-radius:5px;
  background: linear-gradient(135deg, var(--sun) 0%, var(--sun-soft) 100%);
  display:grid; place-items:center; flex:none;
}
.brand .mark svg{ width:16px; height:16px; }
.brand:hover{ text-decoration:none; }
.brand small{ color: var(--sun-soft); font-weight: 400; }

.nav-links{ display:flex; align-items:center; gap:26px; }
.nav-links a{
  color: rgba(255,255,255,0.85); font-size:.95rem; font-weight:500;
}
.nav-links a:hover{ color: var(--sun-soft); text-decoration:none; }

.hamburger{
  display:none; background:none; border:1px solid rgba(255,255,255,0.25);
  border-radius:8px; width:42px; height:38px; cursor:pointer;
  flex-direction:column; align-items:center; justify-content:center; gap:4px;
}
.hamburger span{ width:20px; height:2px; background:#fff; display:block; }

.mega{
  display:none; position:absolute; left:0; right:0; top:100%;
  background: var(--white); border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-lift);
}
.mega.open{ display:block; }
.mega-grid{
  max-width:1180px; margin:0 auto; padding: 26px 20px 30px;
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
.mega-col h4{ font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; color: var(--slate-2); margin-bottom:10px;}
.mega-col a{ display:block; color: var(--dusk); font-size:.92rem; padding:5px 0; }
.mega-col a:hover{ color: var(--panel-blue-2); text-decoration:none; }

@media (max-width: 900px){
  .nav-links{ display:none; }
  .hamburger{ display:flex; }
  .mega{ position:fixed; inset:0 0 0 0; top:64px; overflow-y:auto; }
  .mega-grid{ grid-template-columns: 1fr; padding: 18px 20px 40px; }
}

/* =========================== HERO / ARRAY MOTIF =========================== */
.hero{
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(239,159,46,0.22), transparent 60%),
    linear-gradient(180deg, var(--panel-blue) 0%, var(--panel-blue-2) 60%, #21597f 100%);
  color:#fff; padding: 56px 0 0; position:relative; overflow:hidden;
}
.hero-inner{
  max-width:1180px; margin:0 auto; padding: 20px 20px 0;
  display:grid; grid-template-columns: 1.05fr .95fr; gap:40px; align-items:center;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--f-mono); font-size:.76rem; letter-spacing:.08em; text-transform:uppercase;
  color: var(--sun-soft); background: rgba(239,159,46,0.14);
  border:1px solid rgba(239,159,46,0.35); padding:5px 10px; border-radius:20px; margin-bottom:16px;
}
.hero h1{ color:#fff; }
.hero h1 em{ font-style:normal; color: var(--sun-soft); }
.hero p.lede{ color: rgba(255,255,255,0.82); font-size:1.05rem; max-width:52ch; }
.hero-actions{ display:flex; gap:12px; margin-top:22px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--f-body); font-weight:600; font-size:.95rem;
  padding: 12px 20px; border-radius: 9px; border:1px solid transparent; cursor:pointer;
}
.btn-primary{ background: var(--sun); color: var(--dusk); }
.btn-primary:hover{ background: var(--sun-soft); text-decoration:none; }
.btn-ghost{ background: transparent; color:#fff; border-color: rgba(255,255,255,0.35); }
.btn-ghost:hover{ border-color:#fff; text-decoration:none; }
.btn-outline{ background:transparent; border-color: var(--panel-blue-2); color:var(--panel-blue-2); }
.btn-outline:hover{ background: var(--panel-blue-2); color:#fff; text-decoration:none; }

/* the array: rows/columns of "panel" tiles used as hero art */
.array{
  display:grid; grid-template-columns: repeat(4, 1fr); gap:6px;
  padding: 6px; background: rgba(0,0,0,0.18); border-radius: 14px;
  transform: perspective(900px) rotateX(8deg) rotateY(-6deg);
}
.array .cell{
  aspect-ratio: 1/0.62; border-radius:4px;
  background: linear-gradient(155deg, #1E4E70 0%, #123A56 70%);
  border: 1px solid rgba(255,255,255,0.08);
  position:relative; overflow:hidden;
}
.array .cell::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,0.14) 50%, transparent 60%);
  transform: translateX(-120%);
  animation: glint 5s ease-in-out infinite;
}
.array .cell:nth-child(3n)::after{ animation-delay: 1.2s; }
.array .cell:nth-child(5n)::after{ animation-delay: 2.4s; }
.array .cell:nth-child(7n)::after{ animation-delay: 3.4s; }
@keyframes glint{
  0%, 60%, 100%{ transform: translateX(-120%); }
  80%{ transform: translateX(120%); }
}
@media (prefers-reduced-motion: reduce){
  .array .cell::after{ animation: none; }
  html{ scroll-behavior:auto; }
}
@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .array{ transform:none; max-width:360px; margin:0 auto; }
}

/* =========================== SECTIONS =========================== */
section{ padding: 54px 0; }
.section-head{ max-width: 640px; margin-bottom: 30px; }
.section-head .kicker{
  font-family: var(--f-mono); font-size:.75rem; letter-spacing:.08em; text-transform:uppercase;
  color: var(--panel-blue-2); display:block; margin-bottom:8px;
}

/* category / tool grid — rows of "panels" continuing the array motif */
.tool-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:16px; }
@media (max-width: 900px){ .tool-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .tool-grid{ grid-template-columns: 1fr; } }

.tool-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius-lg);
  padding: 20px; box-shadow: var(--shadow); transition: transform .15s ease, box-shadow .15s ease;
  display:flex; flex-direction:column; gap:8px;
}
.tool-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-lift); text-decoration:none; }
.tool-card .icon{
  width:38px; height:38px; border-radius:8px; display:grid; place-items:center;
  background: var(--leaf-dim); color: var(--leaf); font-size:1.15rem; margin-bottom:4px;
}
.tool-card h3{ margin:0; font-size:1.02rem; color: var(--dusk); }
.tool-card p{ margin:0; font-size:.88rem; color: var(--slate-2); }
.tool-card .tag{
  font-family: var(--f-mono); font-size:.7rem; color: var(--panel-blue-2);
  text-transform:uppercase; letter-spacing:.05em;
  display:inline-block; padding:3px 9px; border-radius:20px; background: #EAF1F6; width:fit-content;
}
/* category color coding — Sizing = blue, Storage = teal, Money = gold */
.tool-card[data-cat="sizing"] .tag{ color:#1B4A6E; background:#E4EEF6; }
.tool-card[data-cat="sizing"] .icon{ background:#E4EEF6; color:#1B4A6E; }
.tool-card[data-cat="storage"] .tag{ color:#0E7C66; background:#E1F5F0; }
.tool-card[data-cat="storage"] .icon{ background:#E1F5F0; color:#0E7C66; }
.tool-card[data-cat="money"] .tag{ color:#B4791A; background:#FBEFD9; }
.tool-card[data-cat="money"] .icon{ background:#FBEFD9; color:#B4791A; }
.tool-card[data-cat="sizing"]:hover{ border-color:#1B4A6E; }
.tool-card[data-cat="storage"]:hover{ border-color:#0E7C66; }
.tool-card[data-cat="money"]:hover{ border-color:#B4791A; }

.category-strip{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom: 28px; }
.chip{
  font-size:.85rem; font-weight:600; color: var(--panel-blue-2);
  background: #fff; border:1px solid var(--line); padding:8px 14px; border-radius:20px;
}
.chip.active{ background: var(--panel-blue); color:#fff; border-color: var(--panel-blue); }

/* =========================== CALCULATOR SHELL =========================== */
.tool-hero{
  background: var(--sky-dim); border-bottom:1px solid var(--line); padding: 30px 0 26px;
}
.breadcrumbs{ font-size:.82rem; color: var(--slate-2); margin-bottom:14px; }
.breadcrumbs a{ color: var(--slate-2); }
.tool-hero h1{ max-width: 800px; }
.tool-meta{ display:flex; gap:18px; flex-wrap:wrap; margin-top:14px; font-size:.85rem; color: var(--slate-2); }
.tool-meta span{ display:inline-flex; align-items:center; gap:6px; }

.calc-layout{
  display:grid; grid-template-columns: 1.15fr .85fr; gap:26px; align-items:start; margin-top: 30px;
}
@media (max-width: 900px){ .calc-layout{ grid-template-columns: 1fr; } }

.card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px; box-shadow: var(--shadow);
}
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap:14px; margin-bottom:14px; }
@media (max-width:520px){ .field-row{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-size:.83rem; font-weight:600; color: var(--dusk); }
.field .hint{ font-size:.76rem; color: var(--slate-2); }
.field input, .field select{
  font-family: var(--f-body); font-size: .95rem; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--sky);
  color: var(--dusk);
}
.field input:focus, .field select:focus{ background:#fff; }
.field-inline{ display:flex; align-items:center; gap:8px; }

.advanced-toggle{
  display:inline-flex; align-items:center; gap:6px; background:none; border:none;
  color: var(--panel-blue-2); font-weight:600; font-size:.88rem; cursor:pointer; padding:6px 0; margin: 6px 0 12px;
}
.advanced-panel{ display:none; padding-top:6px; border-top:1px dashed var(--line); margin-top:6px; }
.advanced-panel.open{ display:block; }

.calc-actions{ display:flex; gap:10px; margin-top:6px; }

/* results panel styled like an inverter/monitoring display */
.results{
  background: var(--dusk); color:#fff; border-radius: var(--radius-lg);
  padding: 22px; position: sticky; top: 90px;
}
.results h3{ color: var(--sun-soft); font-size:.85rem; text-transform:uppercase; letter-spacing:.07em; font-family:var(--f-mono); margin-bottom:16px; }
.result-row{
  display:flex; justify-content:space-between; align-items:baseline;
  padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.result-row:last-of-type{ border-bottom:none; }
.result-row .label{ font-size:.85rem; color: rgba(255,255,255,0.7); }
.result-row .value{ font-family: var(--f-mono); font-size:1.2rem; color:#fff; font-weight:600; }
.result-row .value small{ font-size:.65rem; color: var(--sun-soft); font-weight:400; }
.result-hero{ text-align:center; padding: 14px 0 20px; border-bottom:1px solid rgba(255,255,255,0.12); margin-bottom:6px;}
.result-hero .big{ font-family: var(--f-mono); font-size:2.4rem; color: var(--sun-soft); font-weight:700; }
.result-hero .cap{ font-size:.78rem; color: rgba(255,255,255,0.65); text-transform:uppercase; letter-spacing:.06em; }
.results .note{ font-size:.76rem; color: rgba(255,255,255,0.55); margin-top:14px; }

.ad-slot{
  border:1px dashed var(--line); background: #F0F3F1; border-radius: var(--radius);
  display:flex; align-items:center; justify-content:center; color: var(--slate-2);
  font-size:.78rem; font-family: var(--f-mono); text-transform:uppercase; letter-spacing:.05em;
  min-height: 90px; margin: 22px 0;
}
.ad-slot.tall{ min-height: 250px; }
.ad-slot.rail{ min-height:600px; }

/* content / topical authority blocks */
.prose h2{ margin-top:1.6em; }
.prose h3{ margin-top:1.2em; }
.faq-item{ border-top:1px solid var(--line); padding: 16px 0; }
.faq-item summary{ cursor:pointer; font-weight:600; color: var(--dusk); font-family: var(--f-display); }
.faq-item p{ margin-top:10px; color: var(--slate); }

.formula-box{
  background: var(--panel-blue); color:#fff; border-radius: var(--radius);
  padding: 16px 18px; font-family: var(--f-mono); font-size:.85rem; overflow-x:auto; margin: 16px 0;
}

.related-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:14px; }
@media (max-width:900px){ .related-grid{ grid-template-columns: repeat(2,1fr);} }
@media (max-width:560px){ .related-grid{ grid-template-columns: 1fr;} }
.related-card{
  border:1px solid var(--line); background:#fff; border-radius: var(--radius); padding:14px;
  font-size:.86rem; font-weight:600; color: var(--dusk);
}
.related-card .tag{ display:block; font-family:var(--f-mono); color: var(--panel-blue-2); font-size:.7rem; font-weight:400; margin-bottom:4px; text-transform:uppercase;}
.related-card:hover{ text-decoration:none; border-color: var(--panel-blue-2); }
.related-card{ border-left: 3px solid var(--panel-blue-2); }
.related-card[data-cat="sizing"]{ border-left-color:#1B4A6E; }
.related-card[data-cat="sizing"] .tag{ color:#1B4A6E; }
.related-card[data-cat="storage"]{ border-left-color:#0E7C66; }
.related-card[data-cat="storage"] .tag{ color:#0E7C66; }
.related-card[data-cat="money"]{ border-left-color:#B4791A; }
.related-card[data-cat="money"] .tag{ color:#B4791A; }

/* trust / stats strip */
.stats-strip{ background: var(--leaf-dim); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.stats-strip .container{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:20px; padding: 26px 20px; }
.stat{ min-width:140px; }
.stat .num{ font-family: var(--f-mono); font-size:1.6rem; color: var(--leaf); font-weight:700; }
.stat:nth-child(1) .num{ color:#1B4A6E; }
.stat:nth-child(2) .num{ color:#B4791A; }
.stat:nth-child(3) .num{ color:#0E7C66; }
.stat:nth-child(4) .num{ color: var(--panel-blue); }
.stat .lbl{ font-size:.8rem; color: var(--slate-2); }

/* footer */
.site-footer{ background: var(--dusk); color: rgba(255,255,255,0.72); padding: 46px 0 24px; margin-top: 40px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap:28px; }
@media (max-width:800px){ .footer-grid{ grid-template-columns: repeat(2,1fr); } }
.footer-grid h4{ color:#fff; font-size:.82rem; text-transform:uppercase; letter-spacing:.06em; margin-bottom:12px; font-family: var(--f-mono); }
.footer-grid a{ color: rgba(255,255,255,0.68); display:block; padding:4px 0; font-size:.9rem; }
.footer-grid a:hover{ color: var(--sun-soft); text-decoration:none; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,0.12); margin-top:32px; padding-top:20px; font-size:.8rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; color: rgba(255,255,255,0.5); }

.pill-list{ display:flex; flex-wrap:wrap; gap:8px; margin: 10px 0 0; padding:0; list-style:none; }
.pill-list li{
  font-size:.78rem; background: rgba(255,255,255,0.08); border-radius: 20px; padding: 5px 12px;
}

/* generic page bits used on About/Contact/Sitemap */
.page-hero{ background: var(--sky-dim); padding: 44px 0; border-bottom:1px solid var(--line); }
.two-col{ display:grid; grid-template-columns: 1fr 1fr; gap:36px; }
@media (max-width:800px){ .two-col{ grid-template-columns:1fr; } }
.value-card{ background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding:18px; }
form.contact-form .field{ margin-bottom:16px; }
form.contact-form textarea{
  font-family: var(--f-body); padding:10px 12px; border:1px solid var(--line); border-radius:8px; background:var(--sky); min-height:130px;
}
.sitemap-cols{ columns: 3; column-gap: 30px; }
@media (max-width:800px){ .sitemap-cols{ columns:1; } }
.sitemap-cols .grp{ break-inside: avoid; margin-bottom:22px; }
.sitemap-cols h4{ font-family:var(--f-mono); font-size:.78rem; text-transform:uppercase; letter-spacing:.05em; color:var(--panel-blue-2); margin-bottom:8px; }
.sitemap-cols a{ display:block; font-size:.88rem; padding:3px 0; color: var(--dusk); }

/* =========================== BLOG =========================== */
.blog-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:20px; }
@media (max-width:900px){ .blog-grid{ grid-template-columns: repeat(2,1fr);} }
@media (max-width:620px){ .blog-grid{ grid-template-columns: 1fr;} }
.blog-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius-lg);
  padding: 22px; box-shadow: var(--shadow); display:flex; flex-direction:column; gap:10px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.blog-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-lift); text-decoration:none; }
.blog-card .cat{
  font-family: var(--f-mono); font-size:.7rem; text-transform:uppercase; letter-spacing:.05em;
  color: var(--panel-blue-2); background:#EAF1F6; padding:3px 9px; border-radius:20px; width:fit-content;
}
.blog-card h3{ margin:0; font-size:1.08rem; color: var(--dusk); line-height:1.3; }
.blog-card p{ margin:0; font-size:.88rem; color: var(--slate-2); }
.blog-card .meta{ font-size:.76rem; color: var(--slate-2); font-family: var(--f-mono); }

.post-hero{ background: var(--sky-dim); border-bottom:1px solid var(--line); padding: 34px 0 28px; }
.post-hero .cat-badge{
  display:inline-block; font-family: var(--f-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.06em;
  color: var(--panel-blue-2); background:#EAF1F6; padding:4px 11px; border-radius:20px; margin-bottom:12px;
}
.post-meta{ font-size:.85rem; color: var(--slate-2); margin-top:10px; }
.post-body{ max-width: 760px; margin: 0 auto; }
.post-body .lede{ font-size:1.08rem; color: var(--slate); }
.callout{
  background: var(--leaf-dim); border-left: 4px solid var(--leaf); border-radius: 0 8px 8px 0;
  padding: 14px 18px; margin: 20px 0; font-size:.94rem;
}
.callout strong{ color: var(--dusk); }
.author-box{
  display:flex; align-items:center; gap:12px; margin-top:40px; padding-top:24px; border-top:1px solid var(--line);
  font-size:.85rem; color: var(--slate-2);
}

/* =========================== DATA TABLE (rate tracker etc.) =========================== */
.data-table-wrap{ overflow-x:auto; border:1px solid var(--line); border-radius: var(--radius-lg); background:#fff; box-shadow: var(--shadow); }
table.data-table{ width:100%; border-collapse:collapse; font-size:.9rem; min-width:640px; }
table.data-table thead th{
  text-align:left; font-family: var(--f-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.05em;
  color: var(--slate-2); background: var(--sky-dim); padding:12px 14px; border-bottom:1px solid var(--line);
  position: sticky; top:0;
}
table.data-table td{ padding:11px 14px; border-bottom:1px solid var(--line); color: var(--slate); }
table.data-table tbody tr:last-child td{ border-bottom:none; }
table.data-table tbody tr:hover{ background: var(--sky); }
table.data-table td a{ font-weight:600; }
table.data-table .num{ font-family: var(--f-mono); color: var(--dusk); }
.updated-badge{
  display:inline-flex; align-items:center; gap:7px; font-family: var(--f-mono); font-size:.78rem;
  background: var(--leaf-dim); color: var(--leaf); border:1px solid #cfe9dc; padding:6px 13px; border-radius:20px;
}
.updated-badge .dot{ width:7px; height:7px; border-radius:50%; background: var(--leaf); }

/* =========================== GLOSSARY =========================== */
.glossary-nav{ display:flex; flex-wrap:wrap; gap:6px; margin-bottom:28px; }
.glossary-nav a{
  font-family: var(--f-mono); font-size:.78rem; font-weight:600; color: var(--panel-blue-2);
  background:#fff; border:1px solid var(--line); width:32px; height:32px; border-radius:6px;
  display:flex; align-items:center; justify-content:center;
}
.glossary-nav a:hover{ background: var(--panel-blue); color:#fff; text-decoration:none; }
.glossary-term{ border-top:1px solid var(--line); padding:20px 0; scroll-margin-top:90px; }
.glossary-term h3{ margin-bottom:6px; }
.glossary-term .letter-tag{
  font-family:var(--f-mono); font-size:.7rem; color: var(--slate-2); text-transform:uppercase;
}

/* mega menu: subtle divider between resource links and company links in a column */
.mega-col .divider{ border-top:1px solid var(--line); margin:8px 0 4px; padding-top:4px; }