/*
Theme Name: TechProValley
Theme URI: https://techprovalley.com
Author: Tanveer Ahmed
Description: A bespoke portfolio and publishing theme for a network, infrastructure and software engineer. Dark operations-console aesthetic with a light mode, custom post types for software releases and case studies, and a layout built for long technical writing.
Version: 1.0.2
License: All rights reserved
Text Domain: techprovalley
*/

:root {
  --bg:        #070b14;
  --bg-2:      #0c1220;
  --bg-3:      #121a2c;
  --line:      #1e293b;
  --line-soft: #172032;
  --fg:        #e8eef8;
  --fg-2:      #a7b4cc;
  --fg-3:      #6b7a96;
  --accent:    #35d6c4;
  --accent-2:  #4a9dff;
  --accent-3:  #a78bfa;
  --warn:      #fbbf24;
  --radius:    14px;
  --radius-sm: 9px;
  --maxw:      1180px;
  --readw:     740px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow: 0 18px 50px -12px rgba(0,0,0,.6);
}

:root[data-theme="light"] {
  --bg:        #fbfcfe;
  --bg-2:      #ffffff;
  --bg-3:      #f1f5fa;
  --line:      #dde5f0;
  --line-soft: #e8eef6;
  --fg:        #0d1526;
  --fg-2:      #47566f;
  --fg-3:      #7b8aa3;
  --accent:    #0f9e8e;
  --accent-2:  #1f6feb;
  --accent-3:  #7c3aed;
  --shadow: 0 16px 40px -18px rgba(15,35,70,.28);
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.18; letter-spacing: -0.022em; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
h3 { font-size: 1.25rem; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.read { max-width: var(--readw); margin-inline: auto; }
.section { padding: 84px 0; }
.section--tight { padding: 56px 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
  display: flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--accent); opacity: .7; }

.lede { font-size: 1.12rem; color: var(--fg-2); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header__in { display: flex; align-items: center; gap: 22px; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; color: var(--fg); letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand__mark { width: 32px; height: 32px; flex: none; }
.brand__name { font-size: 1.02rem; }
.brand__name span { color: var(--accent); }

.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav a {
  color: var(--fg-2); font-size: .93rem; font-weight: 500;
  padding: 8px 13px; border-radius: 8px;
}
.nav a:hover { color: var(--fg); background: var(--bg-3); text-decoration: none; }
.nav .current-menu-item > a, .nav .current_page_item > a { color: var(--accent); }
/* The menu is a list for screen readers and a row of links for everyone else. */
.nav__list { list-style: none; margin: 0; padding: 0; }
.nav__list, .nav__list > li { display: contents; }

.icon-btn {
  width: 36px; height: 36px; border-radius: 9px; flex: none;
  border: 1px solid var(--line); background: var(--bg-2); color: var(--fg-2);
  display: grid; place-items: center; cursor: pointer;
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent); }
.nav-toggle { display: none; }

@media (max-width: 900px) {
  .nav-toggle { display: grid; margin-left: auto; }
  .nav {
    position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 2px; padding: 14px 20px 22px; margin: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 10px; font-size: 1rem; }
  .theme-toggle-wrap { margin-left: 8px; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 22px; border-radius: 10px;
  font-weight: 600; font-size: .95rem; border: 1px solid transparent; cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn--primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #04121b;
  box-shadow: 0 10px 28px -10px color-mix(in srgb, var(--accent) 70%, transparent);
}
.btn--primary:hover { filter: brightness(1.08); }
.btn--ghost { border-color: var(--line); color: var(--fg); background: var(--bg-2); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- hero ---------- */
.hero { position: relative; padding: 104px 0 88px; overflow: hidden; }
.hero__grid {
  position: absolute; inset: 0; z-index: 0; opacity: .5;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 35%, transparent 78%);
}
.hero__glow {
  position: absolute; z-index: 0; width: 720px; height: 420px; left: 50%; top: -170px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 26%, transparent), transparent);
  filter: blur(18px);
}
.hero__in { position: relative; z-index: 1; }
.hero h1 { margin-bottom: 18px; }
.hero h1 .grad {
  background: linear-gradient(115deg, var(--accent), var(--accent-2) 55%, var(--accent-3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lede { font-size: 1.16rem; color: var(--fg-2); max-width: 660px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 56px; }
.stat { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 18px; }
.stat__n {
  font-size: 1.85rem; font-weight: 800; letter-spacing: -.03em;
  background: linear-gradient(115deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat__l { font-size: .84rem; color: var(--fg-3); margin-top: 2px; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- cards / grids ---------- */
.grid { display: grid; gap: 18px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 960px) { .grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .grid--3, .grid--2 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px;
  position: relative; overflow: hidden;
  transition: border-color .18s ease, transform .18s ease;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); transform: translateY(-3px); }
.card h3 { margin-bottom: 8px; }
.card h3 a { color: var(--fg); }
.card p { color: var(--fg-2); margin: 0; font-size: .96rem; }
.card__ico {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  color: var(--accent); margin-bottom: 16px;
}
.card__ico svg { width: 21px; height: 21px; }

.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.chip {
  font-family: var(--mono); font-size: .73rem; color: var(--fg-2);
  background: var(--bg-3); border: 1px solid var(--line);
  padding: 4px 9px; border-radius: 6px;
}

/* ---------- timeline ---------- */
.tl { position: relative; padding-left: 30px; }
.tl::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.tl__item { position: relative; padding-bottom: 30px; }
.tl__item::before {
  content: ""; position: absolute; left: -27px; top: 8px; width: 11px; height: 11px;
  border-radius: 50%; background: var(--bg); border: 2px solid var(--accent);
}
.tl__when { font-family: var(--mono); font-size: .76rem; color: var(--accent); letter-spacing: .06em; }
.tl__what { font-weight: 700; margin: 3px 0 5px; font-size: 1.08rem; }
.tl__desc { color: var(--fg-2); font-size: .96rem; margin: 0; }

/* ---------- post list ---------- */
.post-item { padding: 24px 0; border-bottom: 1px solid var(--line-soft); }
.post-item:first-child { padding-top: 0; }
.post-item h3 { margin-bottom: 6px; font-size: 1.22rem; }
.post-item h3 a { color: var(--fg); }
.post-item h3 a:hover { color: var(--accent); text-decoration: none; }
.meta { font-family: var(--mono); font-size: .76rem; color: var(--fg-3); letter-spacing: .04em; }
.post-item p { color: var(--fg-2); margin: 8px 0 0; font-size: .97rem; }

/* ---------- software release cards ---------- */
.rel { display: flex; flex-direction: column; height: 100%; }
.rel__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.rel__ver {
  font-family: var(--mono); font-size: .72rem; padding: 3px 9px; border-radius: 20px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 34%, transparent); color: var(--accent);
}
.rel__dl { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 9px; }
.dl-link {
  display: inline-flex; align-items: center; gap: 7px; font-size: .86rem; font-weight: 600;
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg-3); color: var(--fg);
}
.dl-link:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.dl-link svg { width: 15px; height: 15px; }

/* ---------- article body ---------- */
.entry { font-size: 1.06rem; }
.entry > * { margin-bottom: 1.15em; }
.entry h2 { margin-top: 1.8em; }
.entry h3 { margin-top: 1.5em; }
.entry ul, .entry ol { padding-left: 1.3em; }
.entry li { margin-bottom: .45em; }
.entry blockquote {
  margin: 1.6em 0; padding: 4px 0 4px 22px;
  border-left: 3px solid var(--accent); color: var(--fg-2); font-style: italic;
}
.entry code {
  font-family: var(--mono); font-size: .88em; background: var(--bg-3);
  border: 1px solid var(--line); border-radius: 5px; padding: 2px 6px;
}
.entry pre {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 18px; overflow-x: auto; font-family: var(--mono); font-size: .88rem; line-height: 1.6;
}
.entry pre code { background: none; border: 0; padding: 0; }
.entry img, .entry .wp-block-image img { border-radius: var(--radius-sm); border: 1px solid var(--line); }
.entry table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.entry th, .entry td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.entry th { background: var(--bg-3); font-weight: 600; }

.page-head { padding: 62px 0 10px; }
.page-head h1 { margin-bottom: 12px; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 42px; align-items: start; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.field { margin-bottom: 15px; }
.field label { display: block; font-size: .84rem; color: var(--fg-2); margin-bottom: 6px; font-weight: 600; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-sm);
  background: var(--bg-2); border: 1px solid var(--line); color: var(--fg);
  font-family: inherit; font-size: .97rem;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.notice { padding: 13px 16px; border-radius: var(--radius-sm); font-size: .93rem; margin-bottom: 18px; }
.notice--ok { background: color-mix(in srgb, var(--accent) 12%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 36%, transparent); color: var(--accent); }
.notice--err { background: rgba(248,113,113,.1); border: 1px solid rgba(248,113,113,.36); color: #f87171; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 48px 0 30px; margin-top: 60px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 34px; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; gap: 26px; } }
.foot-grid h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .13em; color: var(--fg-3); font-family: var(--mono); }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin-bottom: 8px; }
.foot-grid a { color: var(--fg-2); font-size: .93rem; }
.foot-grid a:hover { color: var(--accent); }
.foot-bottom {
  margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line-soft);
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between;
  font-size: .85rem; color: var(--fg-3);
}

.pager { display: flex; gap: 10px; justify-content: center; margin-top: 40px; }
.pager a, .pager span {
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px;
  color: var(--fg-2); font-size: .9rem;
}
.pager .current { border-color: var(--accent); color: var(--accent); }

/* ---------- availability pill ---------- */
.avail {
  display: inline-flex; align-items: center; gap: 9px; margin: 0 0 20px;
  padding: 6px 14px 6px 11px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 11%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
  color: var(--accent); font-size: .83rem; font-weight: 600;
}
.avail__dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 70%, transparent);
  animation: tpvpulse 2.4s ease-out infinite;
}
@keyframes tpvpulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 65%, transparent); }
  70%  { box-shadow: 0 0 0 9px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
@media (prefers-reduced-motion: reduce) { .avail__dot { animation: none; } }

/* ---------- process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 34px; }
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 18px; position: relative;
}
.step__n {
  font-family: var(--mono); font-size: .78rem; font-weight: 500;
  color: var(--accent); letter-spacing: .1em; display: block; margin-bottom: 10px;
}
.step h3 { font-size: 1.02rem; margin-bottom: 7px; }
.step p { color: var(--fg-2); font-size: .9rem; margin: 0; line-height: 1.6; }

/* ---------- network tools ---------- */
.tools { margin-top: 30px; }
.tools__tabs { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.tools__tab {
  font: inherit; font-size: .88rem; font-weight: 600; cursor: pointer;
  padding: 8px 14px; border-radius: 9px;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--fg-2);
}
.tools__tab:hover { color: var(--fg); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.tools__tab.is-on {
  color: #04121b; border-color: transparent;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
}
.tools__desc { color: var(--fg-2); font-size: .97rem; margin: 0 0 16px; }
.tools__form { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 20px; }
.tools__form input {
  flex: 1; min-width: 220px; padding: 13px 15px; border-radius: 10px;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--fg);
  font-family: var(--mono); font-size: .95rem;
}
.tools__form input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.tools__out:empty { display: none; }
.tools__record {
  font-family: var(--mono); font-size: .9rem; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  border-radius: var(--radius-sm); padding: 10px 14px; margin: 0 0 14px;
  word-break: break-all;
}
.tools__hint { color: var(--fg-2); font-size: .93rem; margin: 0 0 14px; }
.tools__err {
  color: #f87171; background: rgba(248,113,113,.1);
  border: 1px solid rgba(248,113,113,.34); border-radius: var(--radius-sm);
  padding: 11px 14px; font-size: .93rem; margin: 0;
}
.tools__busy { color: var(--fg-3); font-family: var(--mono); font-size: .9rem; }
.tools__tablewrap { overflow-x: auto; margin-bottom: 18px; }
.tools__table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.tools__table th {
  text-align: left; font-family: var(--mono); font-size: .74rem;
  text-transform: uppercase; letter-spacing: .1em; color: var(--fg-3);
  padding: 9px 12px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.tools__table td {
  padding: 9px 12px; border-bottom: 1px solid var(--line-soft);
  color: var(--fg-2); vertical-align: top; word-break: break-word;
}
.tools__table td:first-child { color: var(--fg); font-family: var(--mono); font-size: .84rem; white-space: nowrap; }
.tools__table td.good { color: var(--accent); }
.tools__table td.bad  { color: #f87171; font-weight: 600; }
.tools__pre {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 16px; overflow-x: auto; font-family: var(--mono);
  font-size: .82rem; line-height: 1.55; color: var(--fg-2); white-space: pre-wrap;
}
.tools__note { color: var(--fg-3); font-size: .84rem; margin-top: 18px; }

/* ---------- visitor counter ---------- */
.tpv-counter {
  font-family: var(--mono); font-size: .78rem; color: var(--fg-3);
  display: inline-flex; align-items: center; gap: 5px;
}
.tpv-counter strong { color: var(--accent); font-weight: 600; }

.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); white-space: nowrap; }
.alignleft { float: left; margin: 0 1.5em 1em 0; }
.alignright { float: right; margin: 0 0 1em 1.5em; }
.aligncenter { margin-inline: auto; }
.sticky, .gallery-caption, .bypostauthor { }

/* --- Tools: groups, stacked inputs, definition rows, grades ------------- */

.tools__groups {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-bottom: 14px;
	padding-bottom: 14px;
	border-bottom: 1px solid var(--line);
}
.tools__group {
	background: none;
	border: 0;
	padding: 5px 12px;
	border-radius: 999px;
	cursor: pointer;
	font: inherit;
	font-size: .82rem;
	letter-spacing: .02em;
	text-transform: uppercase;
	color: var(--fg-3);
	transition: color .15s, background .15s;
}
.tools__group:hover { color: var(--fg); }
.tools__group.is-on {
	color: var(--accent);
	background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.tools__form select,
.tools__form textarea {
	background: color-mix(in srgb, var(--fg) 4%, transparent);
	border: 1px solid var(--line);
	border-radius: 8px;
	padding: 10px 12px;
	color: var(--fg);
	font: inherit;
	font-size: .93rem;
}
.tools__form textarea {
	width: 100%;
	font-family: var(--mono);
	font-size: .82rem;
	line-height: 1.5;
	resize: vertical;
	min-height: 150px;
}
.tools__form select:focus,
.tools__form textarea:focus {
	outline: none;
	border-color: var(--accent);
}
.tools__form--stack { flex-direction: column; align-items: flex-start; }
.tools__form--stack textarea { order: -1; }

.tools__out h4 {
	font-size: .95rem;
	margin: 24px 0 10px;
	color: var(--fg);
}
.tools__section { margin-top: 6px; }

.tools__rows {
	display: grid;
	grid-template-columns: minmax(140px, max-content) 1fr;
	gap: 0;
	margin: 0 0 18px;
	font-size: .88rem;
}
.tools__rows dt {
	padding: 7px 14px 7px 0;
	border-bottom: 1px solid var(--line);
	color: var(--fg-3);
	white-space: nowrap;
}
.tools__rows dd {
	padding: 7px 0;
	margin: 0;
	border-bottom: 1px solid var(--line);
	color: var(--fg);
	font-family: var(--mono);
	font-size: .84rem;
	word-break: break-word;
}
.tools__rows dd.good { color: var(--accent); }
.tools__rows dd.bad  { color: #f87171; font-weight: 600; }
.tools__rows dd.warn { color: #fbbf24; }

.tools__table td.warn { color: #fbbf24; }

.tools__grade {
	display: flex;
	align-items: center;
	gap: 12px;
	margin: 0 0 16px;
	font-size: .95rem;
	color: var(--fg-2);
}
.tools__grade span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 54px;
	height: 44px;
	padding: 0 12px;
	border-radius: 10px;
	font-weight: 700;
	font-size: 1.15rem;
	letter-spacing: .01em;
	color: #0b0f14;
	background: var(--fg-3);
}
.tools__grade--a span { background: #34d399; }
.tools__grade--b span { background: #a3e635; }
.tools__grade--c span { background: #fbbf24; }
.tools__grade--d span { background: #fb923c; }
.tools__grade--f span { background: #f87171; }
.tools__grade--na span { background: var(--fg-3); }

.tools__index { margin: 0 0 24px; padding-left: 18px; }
.tools__index li { margin-bottom: 7px; color: var(--fg-2); font-size: .93rem; }

@media (max-width: 640px) {
	.tools__rows { grid-template-columns: 1fr; }
	.tools__rows dt { border-bottom: 0; padding-bottom: 0; }
	.tools__grade span { min-width: 46px; height: 38px; font-size: 1rem; }
}


/* ---------- positioning, services, P-S-R, diagrams, proof ---------- */

.focus { display: flex; flex-wrap: wrap; gap: 6px; margin: 26px 0 0; }
.focus__chip {
  font-family: var(--mono); font-size: .69rem; letter-spacing: .03em; color: var(--fg-2);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  padding: 3px 8px; border-radius: 6px;
}

.svc {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 20px;
  display: flex; flex-direction: column; height: 100%;
  transition: border-color .18s ease, transform .18s ease;
}
.svc:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); transform: translateY(-3px); }
.svc h3 { font-size: 1.08rem; margin: 0 0 7px; }
.svc h3 a { color: var(--fg); }
.svc h3 a:hover { color: var(--accent); text-decoration: none; }
.svc p:not(.svc__out) { color: var(--fg-2); font-size: .94rem; line-height: 1.62; margin: 0; }
.svc__k {
  font-family: var(--mono); font-size: .71rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 10px;
}
.svc__out {
  margin: 18px 0 0; padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  color: var(--fg); font-size: .9rem; line-height: 1.6;
}

.card__k {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--fg-3); margin-bottom: 5px;
}

.psr { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 32px 0; }
.psr__col { padding-left: 15px; border-left: 2px solid var(--line); }
.psr__col p { color: var(--fg-2); font-size: .95rem; line-height: 1.6; margin: 0; }
.psr__k {
  font-family: var(--mono); font-size: .71rem; letter-spacing: .14em;
  text-transform: uppercase; margin-bottom: 7px;
}
.psr__col--p { border-left-color: color-mix(in srgb, #f87171 50%, var(--line)); }
.psr__col--s { border-left-color: color-mix(in srgb, var(--accent-2) 50%, var(--line)); }
.psr__col--r { border-left-color: color-mix(in srgb, var(--accent) 50%, var(--line)); }
.psr__col--p .psr__k { color: color-mix(in srgb, #f87171 62%, var(--fg)); }
.psr__col--s .psr__k { color: color-mix(in srgb, var(--accent-2) 62%, var(--fg)); }
.psr__col--r .psr__k { color: color-mix(in srgb, var(--accent) 62%, var(--fg)); }
@media (max-width: 680px) { .psr { grid-template-columns: 1fr; gap: 20px; } }

.dgm {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 28px; margin: 32px 0;
}
.dgm__svg svg { width: 100%; height: auto; display: block; }
.dgm__cap { color: var(--fg-2); font-size: .86rem; line-height: 1.55; text-align: center; margin: 16px 0 0; }
@media (max-width: 560px) { .dgm { padding: 16px 13px; } }

/* A diagram drawn on an 880-unit grid scales its 12-unit labels down to about
   four pixels on a phone. Below the width where they stop being readable the
   diagram scrolls inside its own frame instead, which keeps the labels legible
   and the page itself free of horizontal scroll. */
@media (max-width: 720px) {
  .dgm__svg { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .dgm__svg svg { min-width: 620px; }
  .dgm__cap::after { content: " \2014 scroll the diagram sideways to read it"; font-style: italic; }
}

.svc__see { margin: 12px 0 0; font-size: .9rem; }
.svc__see a { font-weight: 600; }

.proof {
  background: var(--bg-3); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 28px;
}
.proof__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 24px; }
.proof__item h3 { font-size: 1rem; margin-bottom: 6px; }
.proof__item p { color: var(--fg-2); font-size: .93rem; line-height: 1.6; margin: 0; }
@media (max-width: 760px) { .proof__grid { grid-template-columns: 1fr; gap: 18px; } }

.faults { margin-top: 26px; border-top: 1px solid var(--line-soft); }
.faults__row {
  display: grid; grid-template-columns: minmax(230px, 38%) 1fr; gap: 0 22px;
  padding: 12px 10px; border-bottom: 1px solid var(--line-soft);
  transition: background .15s ease;
}
.faults__row:hover { background: color-mix(in srgb, var(--fg) 4%, transparent); }
.faults__a { font-family: var(--mono); font-size: .82rem; color: var(--fg-2); line-height: 1.55; }
.faults__b { color: var(--fg); font-size: .95rem; line-height: 1.55; }
.faults__row--head {
  padding-bottom: 9px; border-bottom: 1px solid var(--line);
}
.faults__row--head:hover { background: none; }
.faults__row--head .faults__a, .faults__row--head .faults__b {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--fg-3);
}
@media (max-width: 680px) {
  .faults__row { grid-template-columns: 1fr; gap: 4px; padding: 12px 8px; }
  .faults__row--head { display: none; }
}

.method__note { color: var(--fg-2); font-size: 1.02rem; max-width: 62ch; margin: 14px 0 0; }

.svc-page { border-top: 1px solid var(--line); padding-top: 34px; margin-top: 44px; scroll-margin-top: 92px; }
.svc-page__head { margin-bottom: 20px; }
.entry .svc-page__head h2 { margin-top: 0; }
.svc-page__head .lede { margin: 0; }
.entry h2[id] { scroll-margin-top: 92px; }
@media (max-width: 680px) { .svc-page { padding-top: 26px; margin-top: 34px; } }

/* ---------- environments, engagements, investigation (2026-09-19) ---------- */

.h2--small { font-size: 1.35rem; }

/* Types of estate, as chips. Same shape as the hero focus row, deliberately:
   a visitor reads them as the same kind of claim. */
.envs { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; padding: 0; }
.envs li {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .02em;
  color: var(--fg-2); background: var(--bg-2);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 13px;
}
.envs__note { color: var(--fg-2); font-size: .88rem; margin: 16px 0 0; max-width: 62ch; }

/* The investigation. It sits below the three-column strip rather than in it,
   because it is the part worth reading at length and three narrow columns
   would make it the one nobody reads. */
.howfound {
  border-left: 2px solid color-mix(in srgb, var(--accent-3) 55%, var(--line));
  background: var(--bg-2);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 22px; margin: 0 0 32px;
}
.howfound__k {
  font-family: var(--mono); font-size: .71rem; letter-spacing: .14em;
  text-transform: uppercase; margin-bottom: 7px;
  color: color-mix(in srgb, var(--accent-3) 62%, var(--fg));
}
.howfound p { color: var(--fg-2); font-size: .95rem; line-height: 1.65; margin: 0; }

.handover { color: var(--fg-2); font-size: 1.02rem; max-width: 66ch; margin: 30px 0 0; }

.eng__h { font-size: 1.05rem; margin: 38px 0 0; }
.eng { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.eng__item {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 22px;
}
.eng__item h4 { margin: 0 0 8px; font-size: 1rem; }
.eng__item p { color: var(--fg-2); font-size: .92rem; line-height: 1.6; margin: 0; }
.eng__note { color: var(--fg-2); font-size: .88rem; margin: 16px 0 0; }
@media (max-width: 860px) { .eng { grid-template-columns: 1fr; } }

.avail { color: var(--fg-2); font-size: .86rem; margin: 18px 0 0; font-family: var(--mono); }