/* The Zone Zero Report — design system */
:root {
  --ink: #1f2226;
  --ink-soft: #4c5259;
  --ink-faint: #63696f;
  --paper: #faf8f4;
  --paper-raised: #ffffff;
  --line: #e4dfd6;
  --ember: #c2410c;
  --ember-dark: #9a3412;
  --ember-wash: #fdf0e7;
  --pine: #1d4d3b;
  --pine-wash: #e9f2ee;
  --gold-wash: #fbf3dd;
  --invert-bg: #1f2226;
  --invert-text: #f4efe6;
  --invert-link: #ffd9a8;
  --invert-strong: #ffffff;
  --stripe: #f5f2ec;
  --gold-border: #ecd9a8;
  --pine-border: #cfe0d8;
  --ember-border: #f3cdb2;
  --btn-text: #ffffff;
  --dia-house: #4c5259;
  --dia-house-text: #ffffff;
  --dia-house-sub: #d8dbde;
  --dia-metal: #7a8087;
  --dia-post: #1f2226;
  --dia-wood: #b98a4e;
  --dia-wood-post: #8a5f2e;
  --max: 46rem;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
}
img, svg { max-width: 100%; height: auto; }

/* Header */
.site-header { border-bottom: 3px solid var(--ink); background: var(--paper-raised); }
.site-header .inner {
  max-width: 72rem; margin: 0 auto; padding: 1.1rem 1.25rem;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .35rem 1.5rem;
}
.masthead { font-family: var(--serif); font-size: 1.45rem; font-weight: 700; letter-spacing: -.01em; color: var(--ink); text-decoration: none; }
.masthead .zero { color: var(--ember); }
.tagline { font-size: .8rem; color: var(--ink-faint); letter-spacing: .02em; }
.site-nav { margin-left: auto; display: flex; flex-wrap: wrap; gap: 1.1rem; font-size: .9rem; }
.site-nav a { color: var(--ink-soft); text-decoration: none; }
.site-nav a:hover { color: var(--ember-dark); }


/* Site search ------------------------------------------------------------- */
.searchbox { margin: 1.5rem 0 2rem; }
.searchbox label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .35rem; }
.searchbox input[type=search] {
  width: 100%; max-width: 34rem; padding: .7rem .9rem; font-size: 1.05rem; font-family: inherit;
  border: 2px solid var(--ink); border-radius: 6px; background: var(--paper-raised); color: var(--ink);
}
.searchbox input[type=search]:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }
.searchbox .small { margin: .4rem 0 0; }
.small { font-size: .85rem; color: var(--ink-faint); }
#results:not(:empty) { margin-bottom: 2rem; }

/* Lead forms --------------------------------------------------------------- */
.lead-form label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .9rem; }
.lead-form input, .lead-form select, .lead-form textarea {
  display: block; width: 100%; max-width: 26rem; margin-top: .3rem;
  padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 6px;
  font-size: 1rem; font-family: inherit; background: var(--paper-raised); color: var(--ink);
}
.lead-form textarea { min-height: 5rem; resize: vertical; }
.lead-form .row { display: flex; gap: .8rem; flex-wrap: wrap; }
.lead-form .row label { flex: 1 1 11rem; }
.lead-form .row label input { max-width: none; }
.lead-form .btn { border: none; cursor: pointer; }
.lead-form .step2 { display: none; border-top: 1px solid var(--line); margin-top: 1rem; padding-top: 1rem; }
.lead-form.step2-open .step1 { display: none; }
.lead-form.step2-open .step2 { display: block; }
.lead-form .optional { font-weight: 400; color: var(--ink-faint); font-size: .85rem; }
.lead-form .progress { font-size: .8rem; color: var(--ink-faint); margin: 0 0 .8rem; letter-spacing: .04em; text-transform: uppercase; }
@media (max-width: 640px) { .lead-form .row label { flex: 1 1 100%; } .lead-form .btn { width: 100%; } }

.form-msg { font-size: .92rem; margin: .8rem 0 0; }
.form-msg.ok { background: var(--pine-wash); border: 1px solid var(--pine-border); border-radius: 6px; padding: .9rem 1.1rem; }
.form-msg.err { color: var(--ember-dark); font-weight: 600; }

.skip-link { position: absolute; left: -9999px; top: 0; z-index: 100; }
.skip-link:focus { left: .5rem; top: .5rem; width: auto; height: auto; padding: .6rem 1rem;
  background: var(--paper); color: var(--ink); border: 2px solid var(--ember-dark); border-radius: 4px; }
main:focus { outline: none; }

/* Mobile navigation ------------------------------------------------------- */
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line); border-radius: 6px;
  color: var(--ink-soft); cursor: pointer; margin-left: auto;
  align-items: center; justify-content: center; line-height: 0;
  min-width: 44px; min-height: 44px;   /* comfortable tap target */
}
.nav-toggle:hover { color: var(--ember-dark); border-color: var(--ink-faint); }
.nav-toggle:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }

/* Global status banner */
.status-banner {
  background: var(--invert-bg); color: var(--invert-text); font-size: .875rem;
  padding: .55rem 1.25rem; text-align: center; line-height: 1.5;
}
.status-banner a { color: var(--invert-link); }
.status-banner strong { color: var(--invert-strong); }

/* Layout */
main { display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
.wrap-wide { max-width: 72rem; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }

/* Typography */
h1 { font-family: var(--serif); font-size: 2.15rem; line-height: 1.2; letter-spacing: -.015em; margin: 0 0 1rem; }
h2 { font-family: var(--serif); font-size: 1.5rem; line-height: 1.3; margin: 2.4rem 0 .8rem; }
h3 { font-size: 1.08rem; margin: 1.8rem 0 .5rem; }
p { margin: 0 0 1.15rem; }
a { color: var(--ember-dark); text-underline-offset: 2px; }
a:hover { color: var(--ember); }
.kicker { font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ember); margin: 0 0 .6rem; }
.byline { font-size: .875rem; color: var(--ink-faint); margin: 0 0 2rem; }
.byline .dot { margin: 0 .45rem; }

blockquote {
  margin: 1.5rem 0; padding: 1rem 1.35rem; border-left: 4px solid var(--ember);
  background: var(--paper-raised); font-family: var(--serif); font-size: 1.02rem;
}
blockquote p:last-child { margin-bottom: 0; }
p.cite { font-size: .85rem; color: var(--ink-faint); margin-top: -.9rem; margin-bottom: 1.4rem; }

/* Tables */
.table-scroll { overflow-x: auto; margin: 1.5rem 0; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; background: var(--paper-raised); }
th, td { border: 1px solid var(--line); padding: .6rem .8rem; text-align: left; vertical-align: top; }
thead th { background: var(--invert-bg); color: var(--invert-text); font-weight: 600; border-color: var(--invert-bg); }
tbody tr:nth-child(even) { background: var(--stripe); }

/* Components */
.status-note {
  background: var(--gold-wash); border: 1px solid var(--gold-border); border-radius: 6px;
  padding: .8rem 1.1rem; font-size: .92rem; margin: 0 0 1.6rem;
}
.tldr {
  background: var(--pine-wash); border: 1px solid var(--pine-border); border-radius: 6px;
  padding: 1.1rem 1.35rem 0.6rem; margin: 0 0 2rem;
}
.tldr h2 { margin: 0 0 .5rem; font-size: 1.05rem; font-family: var(--sans); font-weight: 700; color: var(--pine); }
.tldr ul { margin: 0 0 .8rem; padding-left: 1.2rem; }
.tldr li { margin-bottom: .35rem; }
.callout {
  background: var(--ember-wash); border: 1px solid var(--ember-border); border-radius: 6px;
  padding: .9rem 1.2rem; margin: 1.5rem 0; font-size: .97rem;
}
.faq { margin-top: 2.5rem; }
.faq-item { border-top: 1px solid var(--line); padding-top: 1rem; margin-top: 1rem; }
.faq-item h3 { margin: 0 0 .4rem; }
.faq-item h2 { margin: 0 0 .4rem; font-family: var(--sans); font-size: 1.08rem; font-weight: 700; }
.sources { margin-top: 2.5rem; font-size: .9rem; }
.sources ul { padding-left: 1.2rem; }
.sources li { margin-bottom: .3rem; }

/* CTA blocks */
.cta {
  border: 2px solid var(--ink); border-radius: 8px; background: var(--paper-raised);
  padding: 1.4rem 1.5rem; margin: 2.2rem 0;
}
.cta h3, .cta h2 { margin: 0 0 .4rem; font-family: var(--serif); font-size: 1.2rem; line-height: 1.3; }
.cta p { margin: 0 0 .9rem; font-size: .95rem; color: var(--ink-soft); }
.cta .btn {
  display: inline-block; background: var(--ember); color: var(--btn-text); text-decoration: none;
  font-weight: 600; font-size: .95rem; padding: .6rem 1.2rem; border-radius: 6px;
}
.cta .btn:hover { background: var(--ember-dark); color: var(--btn-text); }
.cta .fine { display: block; margin-top: .6rem; font-size: .78rem; color: var(--ink-faint); }

/* Article cards (home) */
.hero { border-bottom: 1px solid var(--line); }
.hero .wrap-wide { padding-top: 3.2rem; padding-bottom: 3rem; }
.hero h1 { font-size: 2.6rem; max-width: 46rem; }
.hero .lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 42rem; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr)); gap: 1.25rem; margin-top: 1.5rem; }
.card {
  background: var(--paper-raised); border: 1px solid var(--line); border-radius: 8px;
  padding: 1.25rem 1.35rem; display: flex; flex-direction: column; gap: .5rem;
}
.card .k { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ember); }
.card h3 { margin: 0; font-family: var(--serif); font-size: 1.15rem; line-height: 1.35; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--ember-dark); }
.card p { margin: 0; font-size: .9rem; color: var(--ink-soft); }
.section-label { font-family: var(--serif); font-size: 1.35rem; margin: 3rem 0 .25rem; }
.section-sub { font-size: .92rem; color: var(--ink-faint); margin: 0 0 1rem; }

/* Featured tracker panel */
.tracker-panel {
  background: var(--invert-bg); color: var(--invert-text); border-radius: 10px;
  padding: 1.8rem 2rem; margin: 2rem 0;
}
.tracker-panel h2 { color: var(--invert-strong); margin-top: 0; }
.tracker-panel a { color: var(--invert-link); }
.tracker-panel .big { font-size: 1.35rem; font-family: var(--serif); }

/* Timeline */
.timeline { list-style: none; margin: 1.5rem 0; padding: 0; border-left: 3px solid var(--line); }
.timeline li { position: relative; padding: 0 0 1.3rem 1.5rem; }
.timeline li::before {
  content: ""; position: absolute; left: -8px; top: .45rem; width: 13px; height: 13px;
  border-radius: 50%; background: var(--paper); border: 3px solid var(--ink-faint);
}
.timeline li.done::before { background: var(--pine); border-color: var(--pine); }
.timeline li.next::before { background: var(--ember); border-color: var(--ember); }
.timeline .when { font-weight: 700; font-size: .95rem; }
.timeline .what { font-size: .95rem; color: var(--ink-soft); }

/* Footer */
.site-footer { border-top: 3px solid var(--ink); background: var(--paper-raised); margin-top: 2rem; }
.site-footer .inner { max-width: 72rem; margin: 0 auto; padding: 2rem 1.25rem 2.6rem; font-size: .85rem; color: var(--ink-soft); }
.site-footer .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1.5rem; margin-bottom: 1.5rem; }
.site-footer h3 { margin: 0 0 .5rem; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .3rem; }
.site-footer a { color: var(--ink-soft); }
.site-footer .legal { border-top: 1px solid var(--line); padding-top: 1.2rem; font-size: .78rem; color: var(--ink-faint); }

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .site-header .inner { align-items: center; gap: .3rem .75rem; }
  .tagline { flex-basis: 100%; order: 3; }
  .site-nav {
    display: none; flex-basis: 100%; order: 4; margin-left: 0;
    flex-direction: column; gap: 0; padding-top: .5rem; border-top: 1px solid var(--line); margin-top: .6rem;
  }
  .site-nav.open { display: flex; }
  .site-nav a {
    padding: .7rem .2rem; border-bottom: 1px solid var(--line); font-size: 1rem;
  }
  .site-nav a:last-of-type { border-bottom: none; }
  .site-nav .theme-toggle { align-self: flex-start; margin: .6rem 0 .2rem; }
}
@media (max-width: 640px) {
  h1 { font-size: 1.62rem; line-height: 1.25; }
  h2 { font-size: 1.3rem; }
  .hero h1 { font-size: 1.8rem; }
  .hero .lede { font-size: 1.06rem; }
  body { font-size: 1.02rem; }
  .wrap, .wrap-wide { padding: 1.75rem 1.05rem 3rem; }
  .status-banner { font-size: .82rem; padding: .5rem .9rem; text-align: left; }
  .tracker-panel { padding: 1.2rem 1.15rem; }
  .tracker-panel .big { font-size: 1.15rem; }
  .cta { padding: 1.15rem 1.1rem; }
  .cta .btn { display: block; text-align: center; }
  blockquote { padding: .85rem 1rem; margin-left: 0; margin-right: 0; }
  table { font-size: .89rem; }
  th, td { padding: .5rem .6rem; }
  .card-grid { grid-template-columns: 1fr; gap: 1rem; }
  .site-footer .cols { grid-template-columns: 1fr 1fr; gap: 1.2rem; }
  /* comfortable tap targets */
  .site-footer li a, .sources li a { display: inline-block; padding: .15rem 0; }
}
@media (max-width: 400px) {
  .site-footer .cols { grid-template-columns: 1fr; }
  .masthead { font-size: 1.25rem; }
}

/* ---- Dark theme ---------------------------------------------------------
   Applied when the reader chooses dark, or when their OS prefers dark and
   they have not chosen light. Same publication, lit for night reading. */
:root[data-theme="dark"],
:root:not([data-theme="light"]) {
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ink: #e8e3da; --ink-soft: #b3aca1; --ink-faint: #9a938a;
    --paper: #17181a; --paper-raised: #1f2124; --line: #34363a;
    --ember: #f97316; --ember-dark: #fb923c; --ember-wash: #2a1d14;
    --pine: #86efac; --pine-wash: #16251d; --gold-wash: #2a2416;
    --invert-bg: #0d0e10; --invert-text: #e8e3da; --invert-link: #ffd9a8; --invert-strong: #ffffff;
    --stripe: #232528; --gold-border: #4a3f22; --pine-border: #2a4034; --ember-border: #4a2f1c;
    --btn-text: #17181a;
    --dia-house: #3a3d42; --dia-house-text: #e8e3da; --dia-house-sub: #a9a49b;
    --dia-metal: #8b9199; --dia-post: #c9c4bb; --dia-wood: #a8763c; --dia-wood-post: #7a5326;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #e8e3da; --ink-soft: #b3aca1; --ink-faint: #9a938a;
  --paper: #17181a; --paper-raised: #1f2124; --line: #34363a;
  --ember: #f97316; --ember-dark: #fb923c; --ember-wash: #2a1d14;
  --pine: #86efac; --pine-wash: #16251d; --gold-wash: #2a2416;
  --invert-bg: #0d0e10; --invert-text: #e8e3da; --invert-link: #ffd9a8; --invert-strong: #ffffff;
  --stripe: #232528; --gold-border: #4a3f22; --pine-border: #2a4034; --ember-border: #4a2f1c;
  --btn-text: #17181a;
  --dia-house: #3a3d42; --dia-house-text: #e8e3da; --dia-house-sub: #a9a49b;
  --dia-metal: #8b9199; --dia-post: #c9c4bb; --dia-wood: #a8763c; --dia-wood-post: #7a5326;
}

/* Theme toggle button */
.theme-toggle {
  background: none; border: 1px solid var(--line); border-radius: 6px;
  color: var(--ink-soft); cursor: pointer; padding: .35rem .5rem;
  display: inline-flex; align-items: center; justify-content: center;
  line-height: 0; margin-left: .25rem;
}
@media (max-width: 820px) { .theme-toggle { min-width: 44px; min-height: 44px; } }
.theme-toggle:hover { color: var(--ember-dark); border-color: var(--ink-faint); }
.theme-toggle:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }
.theme-toggle .ico-sun { display: none; }
.theme-toggle .ico-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .ico-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .ico-moon { display: none; }
}
:root[data-theme="dark"] .theme-toggle .ico-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .ico-moon { display: none; }
:root[data-theme="light"] .theme-toggle .ico-sun { display: none; }
:root[data-theme="light"] .theme-toggle .ico-moon { display: block; }

@media print {
  .site-header, .status-banner, .site-nav, .nav-toggle, .theme-toggle, .cta, .site-footer { display: none; }
  body { background: #fff; color: #000; }
  :root { --paper: #fff; --paper-raised: #fff; --ink: #000; --ink-soft: #333; }
}