/* Employment Rights Act 2025 tracker - "legislative changelog" design system.
   Warm bone paper, near-black ink, mono date tags, serif body, grotesque headings.
   Deliberately unlike a split-hero SaaS landing page: the dated timeline spine is the hero. */

:root {
  --paper:   #F5F1E8;
  --paper-2: #EFE9DA;
  --card:    #FBF9F3;
  --ink:     #1A1D24;
  --ink-2:   #3B404B;
  --muted:   #6B7280;
  --rule:    rgba(26, 29, 36, 0.14);
  --rule-2:  rgba(26, 29, 36, 0.08);

  --green:  #2F6F4E; /* in force */
  --navy:   #243B6B; /* confirmed */
  --slate:  #5A6270; /* awaiting regulations */
  --amber:  #B45309; /* action needed by a date */
  --green-bg: rgba(47, 111, 78, 0.10);
  --navy-bg:  rgba(36, 59, 107, 0.10);
  --slate-bg: rgba(90, 98, 112, 0.12);
  --amber-bg: rgba(180, 83, 9, 0.10);

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --grot:  "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --mono:  "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  --wrap: 1120px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; }

a { color: var(--navy); text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
a:hover { color: var(--amber); }

h1, h2, h3, h4 { font-family: var(--grot); font-weight: 600; color: var(--ink); line-height: 1.15; letter-spacing: -0.01em; }

.container { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--ink); color: var(--paper); padding: 10px 16px; z-index: 100; }
.skip-link:focus { left: 8px; top: 8px; }

:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

/* ---------- Masthead ---------- */
.masthead { border-bottom: 1px solid var(--rule); background: var(--paper); position: sticky; top: 0; z-index: 40; }
.masthead-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; gap: 16px; }
.nameplate { display: flex; align-items: baseline; gap: 9px; text-decoration: none; color: var(--ink); }
.nameplate:hover { color: var(--ink); }
.np-word { font-family: var(--grot); font-weight: 700; font-size: 18px; letter-spacing: -0.02em; }
.np-tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--rule); padding: 2px 6px; border-radius: 3px; }

.top-nav { display: flex; align-items: center; gap: 24px; }
.top-nav a { font-family: var(--grot); font-size: 14.5px; font-weight: 500; color: var(--ink-2); text-decoration: none; }
.top-nav a:hover { color: var(--amber); }
.top-nav .nav-cta { font-family: var(--mono); font-size: 13px; font-weight: 500; color: var(--paper); background: var(--ink); padding: 8px 14px; border-radius: 4px; letter-spacing: 0.01em; }
.top-nav .nav-cta:hover { background: var(--amber); color: #fff; }

.nav-toggle { display: none; width: 42px; height: 38px; background: transparent; border: 1px solid var(--rule); border-radius: 4px; cursor: pointer; position: relative; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 11px; width: 18px; height: 2px; background: var(--ink); }
.nav-toggle span { top: 18px; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* Bulletproof mobile-nav show/hide (the [hidden] attribute is toggled by nav.js). */
.nav-mobile { display: none; }
.nav-mobile[hidden] { display: none; }
.nav-mobile:not([hidden]) { display: flex; flex-direction: column; }
.nav-mobile { border-top: 1px solid var(--rule); background: var(--card); padding: 8px 0; }
.nav-mobile a { font-family: var(--grot); font-size: 16px; font-weight: 500; color: var(--ink); text-decoration: none; padding: 12px 24px; border-bottom: 1px solid var(--rule-2); }
.nav-mobile a:last-child { border-bottom: 0; }

@media (max-width: 860px) {
  .top-nav { display: none; }
  .nav-toggle { display: block; }
}

/* ---------- Announcement / correction strip ---------- */
.xstrip { background: var(--amber-bg); border-bottom: 1px solid var(--rule); }
.xstrip p { margin: 0; padding: 9px 0; font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); letter-spacing: 0.01em; }
.xstrip strong { color: var(--amber); }

/* ---------- Hero ---------- */
.hero { padding: 54px 0 20px; }
.kicker { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber); margin-bottom: 16px; }
.hero h1 { font-size: 43px; line-height: 1.08; max-width: 17ch; margin: 0 0 18px; }
.hero .lede { font-size: 20px; line-height: 1.55; color: var(--ink-2); max-width: 60ch; margin: 0 0 26px; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.cta-note { font-family: var(--grot); font-size: 14px; color: var(--muted); }

.btn-primary { display: inline-block; font-family: var(--grot); font-weight: 600; font-size: 15px; color: var(--paper); background: var(--ink); padding: 13px 22px; border-radius: 5px; text-decoration: none; border: 0; cursor: pointer; letter-spacing: 0.005em; }
.btn-primary:hover { background: var(--amber); color: #fff; }
.btn-large { font-size: 16.5px; padding: 15px 28px; }
.btn-ghost { display: inline-block; font-family: var(--grot); font-weight: 600; font-size: 15px; color: var(--ink); background: transparent; padding: 12px 20px; border: 1px solid var(--ink); border-radius: 5px; text-decoration: none; cursor: pointer; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.stamp { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: 0.02em; }

/* ---------- Status pills (text carries the status, never colour alone) ---------- */
.pill { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 9px; border-radius: 3px; border: 1px solid transparent; white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; flex: none; }
.pill-inforce  { color: var(--green); background: var(--green-bg); border-color: rgba(47,111,78,0.28); }
.pill-inforce::before  { background: var(--green); }
.pill-confirmed { color: var(--navy); background: var(--navy-bg); border-color: rgba(36,59,107,0.28); }
.pill-confirmed::before { background: var(--navy); }
.pill-awaiting { color: var(--slate); background: var(--slate-bg); border-color: rgba(90,98,112,0.3); }
.pill-awaiting::before { background: var(--slate); }
.pill-action { color: var(--amber); background: var(--amber-bg); border-color: rgba(180,83,9,0.3); }
.pill-action::before { background: var(--amber); }

/* ---------- The changelog spine (signature element) ---------- */
.spine-wrap { padding: 20px 0 60px; }
.spine-head { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 12px; border-bottom: 1px solid var(--rule); padding-bottom: 14px; margin-bottom: 8px; }
.spine-head h2 { font-size: 22px; margin: 0; }
.spine-head .v { font-family: var(--mono); font-size: 12px; color: var(--muted); }

.spine-layout { display: grid; grid-template-columns: 190px 1fr; gap: 40px; align-items: start; }

.rail { position: sticky; top: 84px; }
.rail-title { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; }
.rail ol { list-style: none; margin: 0; padding: 0; }
.rail li { margin: 0 0 4px; }
.rail a { display: block; font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); text-decoration: none; padding: 7px 10px; border-left: 2px solid var(--rule); }
.rail a:hover { color: var(--amber); border-left-color: var(--amber); background: var(--paper-2); }
.rail a .rl-d { display: block; color: var(--ink); font-weight: 500; }
.rail a .rl-s { display: block; font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase; margin-top: 2px; }

/* the spine itself */
.spine { position: relative; margin: 0; padding: 0 0 0 30px; }
.spine::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: var(--rule); }
.node { position: relative; padding: 4px 0 30px; }
.node::before { content: ""; position: absolute; left: -30px; top: 8px; width: 14px; height: 14px; border-radius: 50%; background: var(--paper); border: 2px solid var(--slate); }
.node.n-inforce::before  { border-color: var(--green); background: var(--green); }
.node.n-confirmed::before { border-color: var(--navy); }
.node.n-awaiting::before  { border-color: var(--slate); }
.node.is-relevant { }
.node.is-relevant::before { box-shadow: 0 0 0 4px var(--amber-bg); border-color: var(--amber); }
.node-tag { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 8px; }
.node-date { font-family: var(--mono); font-size: 13px; font-weight: 600; letter-spacing: 0.03em; color: var(--ink); }
.node-ver { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; }
.node h3 { font-size: 19px; margin: 0 0 6px; }
.node .node-lead { color: var(--ink-2); font-size: 16.5px; margin: 0 0 12px; }
.node ul.measures { list-style: none; margin: 0; padding: 0; }
.node ul.measures li { position: relative; padding: 10px 0 10px 20px; border-top: 1px solid var(--rule-2); font-size: 16px; color: var(--ink-2); }
.node ul.measures li:first-child { border-top: 0; }
.node ul.measures li::before { content: ""; position: absolute; left: 0; top: 20px; width: 10px; height: 2px; background: var(--amber); border-radius: 1px; }
.node ul.measures li b { color: var(--ink); font-weight: 600; font-family: var(--serif); }
.relevant-flag { display: none; font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--amber); margin-left: 8px; }
.node.is-relevant .relevant-flag { display: inline; }

/* ---------- Sections / bands ---------- */
section { padding: 56px 0; }
.band { background: var(--paper-2); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.sec-tag { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber); margin-bottom: 12px; }
.sec-h { font-size: 30px; line-height: 1.12; margin: 0 0 14px; max-width: 24ch; }
.sec-sub { font-size: 18px; color: var(--ink-2); max-width: 66ch; line-height: 1.6; }

.callout { border-left: 3px solid var(--amber); background: var(--amber-bg); padding: 16px 20px; border-radius: 0 5px 5px 0; margin: 24px 0 0; font-size: 16.5px; color: var(--ink-2); }
.callout strong { color: var(--ink); }
.note { border: 1px solid var(--rule); background: var(--card); padding: 16px 20px; border-radius: 6px; margin: 24px 0; font-size: 16px; color: var(--ink-2); }

/* ---------- The checker ---------- */
.checker-box { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 28px; max-width: 780px; margin: 22px auto 0; }
.checker-box .ck-head { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin: 0 0 18px; display: flex; align-items: center; gap: 8px; }
.ck-group { margin: 0 0 22px; }
.ck-legend { font-family: var(--grot); font-weight: 600; font-size: 16px; color: var(--ink); margin: 0 0 4px; padding: 0; border: 0; }
.ck-help { font-size: 14px; color: var(--muted); margin: 0 0 12px; }
.ck-opts { display: flex; flex-wrap: wrap; gap: 10px; border: 0; padding: 0; margin: 0; }
.ck-opt { display: inline-flex; align-items: center; gap: 8px; font-family: var(--grot); font-size: 14.5px; color: var(--ink); background: var(--paper); border: 1px solid var(--rule); border-radius: 6px; padding: 9px 14px; cursor: pointer; }
.ck-opt:hover { border-color: var(--ink); }
.ck-opt input { accent-color: var(--navy); width: 16px; height: 16px; }
.ck-opt.is-on { border-color: var(--navy); background: var(--navy-bg); }
.ck-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 6px; }

.ck-results { margin-top: 28px; }
.ck-summary { font-family: var(--grot); font-weight: 600; font-size: 17px; color: var(--ink); border-top: 1px solid var(--rule); padding-top: 20px; margin: 0 0 6px; }
.ck-summary .cnt { font-family: var(--mono); color: var(--amber); }
.ck-note { font-size: 14px; color: var(--muted); margin: 0 0 18px; }
.result-item { border: 1px solid var(--rule); border-radius: 8px; padding: 16px 18px; margin: 0 0 12px; background: var(--card); }
.result-item .ri-top { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }
.result-item h4 { font-family: var(--grot); font-size: 16px; margin: 0; }
.result-item .ri-date { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.result-item p { margin: 0 0 8px; font-size: 15.5px; color: var(--ink-2); }
.result-item .ri-actions { list-style: none; margin: 8px 0 0; padding: 0; }
.result-item .ri-actions li { position: relative; padding: 5px 0 5px 22px; font-size: 15px; color: var(--ink-2); }
.result-item .ri-actions li::before { content: "\2192"; position: absolute; left: 0; color: var(--amber); font-family: var(--mono); }
.ck-cta { border-top: 1px solid var(--rule); margin-top: 22px; padding-top: 22px; text-align: center; }
.ck-cta p { font-size: 16px; color: var(--ink-2); margin: 0 0 14px; }

/* ---------- Order form ---------- */
.order-wrap { max-width: 760px; margin: 0 auto; }
.orderform { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
.of-price { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 26px; background: var(--ink); color: var(--paper); }
.of-price .p { font-family: var(--grot); font-weight: 700; font-size: 26px; }
.of-price .p small { display: block; font-family: var(--mono); font-size: 11px; font-weight: 400; letter-spacing: 0.04em; text-transform: uppercase; opacity: 0.75; margin-top: 2px; }
.of-price .n { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.05em; text-transform: uppercase; opacity: 0.8; text-align: right; }
.of-inner { padding: 26px; }
.of-field { margin: 0 0 20px; }
.of-field label, .of-legend { display: block; font-family: var(--grot); font-weight: 600; font-size: 15px; color: var(--ink); margin: 0 0 7px; padding: 0; border: 0; }
.of-field em { color: var(--muted); font-style: normal; font-weight: 400; font-family: var(--serif); }
.of-help { font-size: 14px; color: var(--muted); margin: 0 0 10px; }
.of-field input[type=email], .of-field input[type=text] { width: 100%; font-family: var(--serif); font-size: 16px; padding: 12px 14px; border: 1px solid var(--rule); border-radius: 6px; background: var(--paper); color: var(--ink); }
.of-field input:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px var(--navy-bg); }
.of-submit { margin-top: 6px; }
.of-fine { font-size: 13px; color: var(--muted); margin: 14px 0 0; line-height: 1.5; }
.order-status { margin-top: 14px; font-family: var(--grot); font-size: 14.5px; padding: 11px 14px; border-radius: 6px; background: var(--paper-2); color: var(--ink-2); }
.order-status.err { background: var(--amber-bg); color: var(--amber); border: 1px solid rgba(180,83,9,0.3); }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 26px; }
.step { border-top: 2px solid var(--ink); padding-top: 16px; }
.step .num { font-family: var(--mono); font-size: 13px; color: var(--amber); font-weight: 600; }
.step h3 { font-size: 18px; margin: 6px 0 8px; }
.step p { margin: 0; font-size: 16px; color: var(--ink-2); }

/* ---------- What's in the report ---------- */
.report-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 24px; }
.report-item { border: 1px solid var(--rule); border-radius: 8px; padding: 18px 20px; background: var(--card); }
.report-item .ri-n { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.report-item h3 { font-size: 17px; margin: 6px 0 6px; }
.report-item p { margin: 0; font-size: 15.5px; color: var(--ink-2); }

/* ---------- FAQ ---------- */
.faq-item { border-top: 1px solid var(--rule); padding: 22px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--rule); }
.faq-item h3 { font-size: 18px; margin: 0 0 8px; }
.faq-item p { margin: 0; font-size: 16.5px; color: var(--ink-2); }

/* ---------- Guides ---------- */
.guide { padding: 46px 0 20px; }
.guide-container { max-width: 760px; margin: 0 auto; }
.crumb { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin: 0 0 22px; }
.crumb a { color: var(--ink-2); text-decoration: none; }
.crumb a:hover { color: var(--amber); }
.guide-kicker { font-family: var(--mono); font-size: 12px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--amber); margin-bottom: 12px; }
.guide h1 { font-size: 34px; line-height: 1.12; margin: 0 0 18px; }
.guide h2 { font-size: 23px; margin: 36px 0 12px; }
.guide h3 { font-size: 18px; margin: 26px 0 8px; }
.guide p { font-size: 18px; color: var(--ink-2); line-height: 1.66; margin: 0 0 16px; }
.guide ul, .guide ol { font-size: 18px; color: var(--ink-2); line-height: 1.6; padding-left: 22px; }
.guide li { margin: 0 0 8px; }
.answer-box { background: var(--card); border: 1px solid var(--rule); border-left: 3px solid var(--navy); border-radius: 0 8px 8px 0; padding: 20px 24px; margin: 0 0 28px; }
.answer-box p { margin: 0; font-size: 18px; }
.answer-box p strong { color: var(--ink); }

.gtable-wrap { overflow-x: auto; margin: 22px 0; border: 1px solid var(--rule); border-radius: 8px; }
table.gtable { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 15px; }
table.gtable th, table.gtable td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--rule-2); vertical-align: top; }
table.gtable th { font-family: var(--grot); font-size: 13px; letter-spacing: 0.02em; background: var(--paper-2); color: var(--ink); }
table.gtable td { color: var(--ink-2); }
table.gtable .d { font-family: var(--mono); font-size: 13px; white-space: nowrap; color: var(--ink); }

.sources { font-size: 15.5px; }
.sources li { margin-bottom: 12px; }
.sources-note { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin-top: 18px; line-height: 1.55; }

.guide-cta { background: var(--paper-2); border: 1px solid var(--rule); border-radius: 10px; padding: 28px; margin: 40px 0 26px; text-align: center; }
.guide-cta h2 { margin: 0 0 8px; font-size: 22px; }
.guide-cta p { margin: 0 auto 16px; max-width: 52ch; }
.related { border-top: 1px solid var(--rule); padding-top: 24px; margin-top: 8px; }
.related h2 { font-size: 18px; margin: 0 0 12px; }
.related ul { list-style: none; padding: 0; margin: 0; }
.related li { margin: 0 0 8px; font-size: 16px; }

/* ---------- Guide index grid ---------- */
.guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 26px 0 8px; }
.guide-card { display: block; border: 1px solid var(--rule); border-radius: 10px; padding: 22px; background: var(--card); text-decoration: none; color: var(--ink); }
.guide-card:hover { border-color: var(--ink); color: var(--ink); }
.gc-num { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--amber); }
.guide-card h2 { font-family: var(--grot); font-size: 18px; margin: 8px 0 8px; line-height: 1.2; }
.guide-card p { font-size: 15.5px; color: var(--ink-2); margin: 0; }

/* ---------- Prose (legal pages) ---------- */
.prose h2 { font-size: 21px; margin: 30px 0 10px; }
.prose p, .prose li { color: var(--ink-2); }
.prose ul { padding-left: 22px; }
.prose code { font-family: var(--mono); font-size: 14px; background: var(--paper-2); padding: 1px 5px; border-radius: 3px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--rule); background: var(--paper-2); padding: 44px 0 40px; margin-top: 20px; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; }
.foot-brand { font-family: var(--grot); font-weight: 700; font-size: 17px; }
.foot-tag { font-size: 14.5px; color: var(--muted); margin: 8px 0 0; max-width: 34ch; }
.site-footer h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; font-weight: 500; }
.site-footer a { display: block; font-family: var(--grot); font-size: 14.5px; color: var(--ink-2); text-decoration: none; margin: 0 0 8px; }
.site-footer a:hover { color: var(--amber); }
.foot-fine { grid-column: 1 / -1; border-top: 1px solid var(--rule); padding-top: 20px; margin-top: 8px; font-size: 13px; color: var(--muted); line-height: 1.55; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .spine-layout { grid-template-columns: 1fr; gap: 20px; }
  .rail { position: static; border: 1px solid var(--rule); border-radius: 8px; padding: 16px; background: var(--card); }
  .rail ol { display: flex; flex-wrap: wrap; gap: 8px; }
  .rail a { border-left: 0; border: 1px solid var(--rule); border-radius: 6px; }
  .steps, .report-list, .guide-grid, .footer-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  body { font-size: 17px; }
  .hero h1 { font-size: 33px; }
  .hero .lede { font-size: 18px; }
  .sec-h { font-size: 25px; }
  .guide h1 { font-size: 28px; }
  .container { padding: 0 18px; }
  .checker-box { padding: 20px; }
  .of-inner, .of-price { padding: 20px; }
  .footer-inner { grid-template-columns: 1fr; }
}