/* SPDX-License-Identifier: AGPL-3.0-or-later */
/* Habitable field guides — shared tenant-evidence identity. */

@font-face {
  font-family: "Barlow Condensed";
  src: url("fonts/BarlowCondensed-SemiBold.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Barlow Condensed";
  src: url("fonts/BarlowCondensed-ExtraBold.ttf") format("truetype");
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}

:root {
  color-scheme: light;
  --night: #071d26;
  --night-raised: #0d3440;
  --field: #edf3f1;
  --paper: #f9fbf8;
  --ink: #10272e;
  --ink-soft: #4b6268;
  --chalk: #f4faf7;
  --rule: #9eb1ad;
  --rule-dark: #3e5d64;
  --signal: #f4c844;
  --signal-soft: #fff2b8;
  --oxide: #a63d27;
  --oxide-soft: #f8ded7;
  --seal: #0c8171;
  --seal-soft: #d7ece7;
  --focus: #ff7a45;
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
  --data: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--ink); background: var(--field); font: 17px/1.68 var(--body); }
a { color: #075f55; text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }

.skip {
  position: fixed;
  inset: .75rem auto auto -100vw;
  z-index: 20;
  padding: .7rem 1rem;
  color: var(--night);
  background: var(--signal);
  font-weight: 800;
}
.skip:focus { left: .75rem; }

.site-header {
  position: relative;
  display: flex;
  width: min(calc(100% - 2rem), 86rem);
  min-height: 6.5rem;
  align-items: center;
  gap: 2rem;
  margin-inline: auto;
  color: var(--chalk);
  border-block-start: .45rem solid var(--signal);
  border-block-end: 1px solid var(--rule-dark);
  background: var(--night);
  box-shadow: 0 0 0 100vmax var(--night);
  clip-path: inset(0 -100vmax);
}
.site-header::after {
  content: "LOCAL RECORD / NO HOSTED CASE DATA";
  position: absolute;
  inset: auto 0 .6rem auto;
  color: #789197;
  font: 600 .55rem/1 var(--data);
  letter-spacing: .13em;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: var(--chalk);
  font: 800 1.55rem/1 var(--display);
  letter-spacing: .035em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}
.brand img { width: 2.8rem; height: 2.8rem; }
.primary-nav { margin-inline-start: auto; }
.primary-nav ul,
.breadcrumbs ol,
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem 1.2rem; margin: 0; padding: 0; list-style: none; }
.primary-nav a {
  color: #c8d8d5;
  font: 600 .63rem/1.2 var(--data);
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}
.primary-nav a:hover,
.primary-nav a[aria-current="page"] { color: var(--signal); text-decoration: underline; }

main,
footer { width: min(calc(100% - 2rem), 86rem); margin-inline: auto; }
.breadcrumbs { margin: 1.4rem 0 0; color: var(--ink-soft); font: 600 .68rem/1.4 var(--data); letter-spacing: .04em; text-transform: uppercase; }
.breadcrumbs li + li::before { content: "→"; margin-inline-end: .55rem; color: var(--oxide); }

.article-header {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, .34fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: end;
  padding: clamp(3.5rem, 8vw, 7rem) 0 clamp(2.8rem, 6vw, 5rem);
  border-block-end: 1px solid var(--rule);
}
.article-header::before {
  content: "";
  position: absolute;
  inset: auto 0 -.25rem;
  width: 13rem;
  height: .45rem;
  background: linear-gradient(90deg, var(--oxide) 0 35%, var(--signal) 35% 70%, var(--seal) 70%);
}
.article-header-copy { max-width: 58rem; }
.kicker,
.record-label {
  margin: 0 0 .85rem;
  color: var(--oxide);
  font: 600 .68rem/1.3 var(--data);
  letter-spacing: .14em;
  text-transform: uppercase;
}
h1 {
  max-width: 13ch;
  margin: 0 0 1.2rem;
  font: 800 clamp(4rem, 8vw, 7.8rem)/.8 var(--display);
  letter-spacing: -.01em;
  text-transform: uppercase;
}
.lede { max-width: 52rem; margin: 0; color: var(--ink-soft); font-size: 1.16rem; }
.record-card {
  position: relative;
  padding: 1.2rem;
  color: var(--night);
  background: var(--signal);
  border: 2px solid var(--night);
  box-shadow: .8rem .8rem 0 var(--rule);
  clip-path: polygon(0 0, calc(100% - 1.1rem) 0, 100% 1.1rem, 100% 100%, 0 100%);
}
.record-card::after { content: ""; position: absolute; inset: 0 0 auto auto; width: 1.1rem; height: 1.1rem; background: var(--oxide); }
.record-card .record-label { color: #573f00; }
.record-card p { margin: .35rem 0 0; font-size: .84rem; }
.record-card strong { display: block; font: 600 1.35rem/1.05 var(--display); text-transform: uppercase; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(16rem, .3fr); gap: clamp(2.5rem, 7vw, 6rem); align-items: start; margin-top: clamp(3rem, 7vw, 5rem); }
.article-body { min-width: 0; }
.article-body section + section { margin-top: clamp(4rem, 8vw, 7rem); }
h2 { max-width: 24ch; margin: 0 0 1rem; font: 800 clamp(2.5rem, 4.6vw, 4.6rem)/.9 var(--display); letter-spacing: -.005em; text-transform: uppercase; }
h3 { margin: 1.8rem 0 .5rem; font: 600 1.5rem/1 var(--display); text-transform: uppercase; }
p { max-width: 52rem; }
li + li { margin-top: .55rem; }

.boundary,
.safety-note,
.plain-note { max-width: 54rem; margin: 1.6rem 0; padding: 1rem 1.2rem; }
.boundary,
.safety-note { border-inline-start: .45rem solid var(--oxide); color: #542617; background: var(--oxide-soft); }
.plain-note { border-inline-start: .45rem solid var(--seal); color: var(--ink); background: var(--seal-soft); }

.steps,
.checklist,
.question-list { max-width: 55rem; margin: 2rem 0 0; padding: 0; list-style: none; counter-reset: item; }
.steps,
.question-list { position: relative; }
.steps::before,
.question-list::before { content: ""; position: absolute; inset: 1.3rem auto 1.3rem 1.1rem; border-inline-start: 2px solid var(--rule-dark); }
.steps li,
.question-list li { position: relative; min-height: 4.2rem; padding: .8rem 0 1.4rem 4rem; counter-increment: item; }
.steps li::before,
.question-list li::before {
  content: "0" counter(item);
  position: absolute;
  inset: .65rem auto auto 0;
  z-index: 1;
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 2px solid var(--night);
  color: var(--night);
  background: var(--signal);
  font: 600 .63rem/1 var(--data);
}
.steps strong,
.question-list strong { display: block; margin-bottom: .15rem; }
.checklist li { position: relative; padding: .55rem 0 .55rem 2rem; border-block-end: 1px solid var(--rule); }
.checklist li::before { content: "◆"; position: absolute; inset: .6rem auto auto .15rem; color: var(--seal); font-size: .75rem; }

.comparison,
.review-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1.8rem 0; }
.comparison > div,
.review-card { padding: 1.25rem; border: 1px solid var(--rule); border-inline-start: .45rem solid var(--seal); background: var(--paper); }
.comparison > .limitations { border-inline-start-color: var(--oxide); }
.comparison h3,
.review-card h3 { margin-top: 0; }
.comparison ul,
.review-card p { margin-bottom: 0; }
.review-card p { color: var(--ink-soft); }

.download-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  margin: 1.8rem 0;
  padding: clamp(1.3rem, 4vw, 2rem);
  color: var(--chalk);
  background: var(--night);
  border-inline-start: .5rem solid var(--signal);
}
.download-card h3 { margin: 0 0 .4rem; }
.download-card p { margin: 0; color: #bad0ce; }
.download-action { display: inline-block; padding: .8rem 1rem; border: 2px solid var(--signal); color: var(--night); background: var(--signal); font-weight: 800; line-height: 1.25; text-align: center; text-decoration: none; }
.download-action:hover { color: var(--chalk); background: var(--oxide); border-color: var(--oxide); }

.field-list { margin: 0; }
.field-list dt { margin-top: 1rem; font-weight: 800; }
.field-list dt:first-child { margin-top: 0; }
.field-list dd { margin: .2rem 0 0; color: var(--ink-soft); }
.field-list code,
.comparison code { overflow-wrap: anywhere; }
.privacy-flow { display: grid; gap: .8rem; max-width: 55rem; margin: 1.5rem 0; padding: 0; list-style: none; counter-reset: privacy-layer; }
.privacy-flow li { display: grid; grid-template-columns: minmax(11rem, .35fr) 1fr; gap: 1rem; padding: 1rem 1.15rem; border: 1px solid var(--rule); background: var(--paper); counter-increment: privacy-layer; }
.privacy-flow strong::before { content: "0" counter(privacy-layer) " / "; color: var(--oxide); font: 600 .68rem/1 var(--data); }

.side-nav { position: sticky; top: 1.2rem; padding: 1.25rem; color: var(--chalk); background: var(--night); border-block-start: .45rem solid var(--signal); }
.side-nav h2 { margin: 0 0 .8rem; font: 600 1.25rem/1 var(--display); text-transform: uppercase; }
.side-nav ul { margin: 0; padding-inline-start: 1.15rem; font-size: .86rem; }
.side-nav li + li { margin-top: .5rem; }
.side-nav a { color: #c8d8d5; }
.related { margin-top: clamp(3.5rem, 8vw, 6rem); padding: clamp(1.3rem, 4vw, 2rem); border: 2px solid var(--night); background: var(--signal-soft); }
.related h2 { margin-bottom: .7rem; }
.related ul { margin-bottom: 0; padding-inline-start: 1.2rem; }

footer {
  width: 100%;
  max-width: none;
  margin-top: 6rem;
  padding: 1.5rem max(1rem, calc((100vw - 86rem) / 2));
  color: #9eb3b3;
  background: var(--night);
  border-block-start: .45rem solid var(--signal);
  font-size: .82rem;
}
.footer-links { margin-bottom: .8rem; }
footer a { color: var(--signal); }
footer p { margin-bottom: 0; }

@media (max-width: 60rem) {
  .site-header { align-items: flex-start; flex-direction: column; gap: .8rem; padding: 1.2rem 0 1.6rem; }
  .primary-nav { margin-inline-start: 0; }
  .site-header::after { display: none; }
  .article-header,
  .layout { grid-template-columns: 1fr; }
  .record-card { max-width: 28rem; }
  .side-nav { position: static; }
  .download-card { grid-template-columns: 1fr; }
  .download-action { justify-self: start; }
}

@media (max-width: 40rem) {
  h1 { font-size: clamp(3.7rem, 19vw, 5.6rem); }
  .primary-nav ul { gap: .5rem 1rem; }
  .comparison,
  .review-grid { grid-template-columns: 1fr; }
  .privacy-flow li { grid-template-columns: 1fr; gap: .35rem; }
  .breadcrumbs ol { gap: .3rem .45rem; }
  .breadcrumbs li + li::before { margin-inline-end: .4rem; }
}

@media print {
  body { color: #000; background: #fff; font-size: 11pt; }
  .skip,
  .primary-nav,
  .side-nav,
  .footer-links { display: none; }
  .site-header { min-height: auto; padding-bottom: .5rem; color: #000; background: #fff; box-shadow: none; clip-path: none; }
  .brand { color: #000; }
  main { width: 100%; }
  .article-header,
  .layout { display: block; }
  .record-card { margin: 1rem 0; box-shadow: none; }
  a { color: inherit; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8pt; }
  section { break-inside: avoid; }
}