/*
Theme Name: Regeneration Journal
Theme URI: https://regenerationjournal.org
Author: The Regenerative Marketing Institute
Description: Classic theme for The Regeneration Journal — the Institute's editorial site. Shares the Institute's typographic system (Archivo/Newsreader/IBM Plex Mono, black-on-white, sage/rust accents) adapted for an interview-and-essay feed with category filtering.
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: regen-journal
*/

:root {
  --bg: #ffffff;
  --hover: #f7f6f2;
  --ink: #1c1f1b;
  --ink-3: #2b2f29;
  --ink-5: #3b403a;
  --rule: rgba(28, 31, 27, 0.12);
  --rule-2: rgba(28, 31, 27, 0.24);
  --sage: #5b7346;
  --rust: #b8551f;
  --sans: 'Archivo', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --gutter: 32px;
  --maxw: 1280px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--serif); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--rust); text-decoration: none; }
a:hover, a:focus { color: var(--ink); }
img { max-width: 100%; height: auto; display: block; }
button, input { font: inherit; color: inherit; }
::selection { background: var(--sage); color: #fff; }

.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }
.skip-link:focus { position: fixed; top: 8px; left: 8px; z-index: 999; background: var(--ink); color: #fff; padding: 10px 16px; clip: auto; width: auto; height: auto; font-family: var(--mono); font-size: 12px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.site { display: flex; flex-direction: column; min-height: 100vh; }
.site-main { flex: 1; }
.section { border-bottom: 1px solid var(--rule); }
.section__inner { padding: 48px 0 72px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.site-header__inner { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); display: flex; align-items: stretch; justify-content: space-between; gap: 32px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; padding-right: 24px; border-right: 1px solid var(--rule); color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand__mark { width: 20px; height: 20px; border: 1.5px solid var(--sage); border-radius: 50%; position: relative; flex: none; }
.brand__mark::after { content: ''; position: absolute; inset: 5px; background: var(--rust); border-radius: 50%; }
.brand__name { font-family: var(--sans); font-weight: 600; font-size: 13px; letter-spacing: -0.01em; line-height: 1.15; }
.brand__logo img { height: 32px; width: auto; }

.nav-toggle { display: none; background: none; border: 1px solid var(--rule-2); padding: 9px 14px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer; }
.nav { display: flex; align-items: stretch; flex: 1; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: stretch; gap: 4px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.nav li { display: flex; }
.nav a { display: flex; align-items: center; padding: 0 14px; color: var(--ink-5); position: relative; }
.nav a:hover { color: var(--ink); }
.nav .current-cat > a::after, .nav .current-menu-item > a::after, .nav a[aria-current='page']::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: 0; height: 2px; background: var(--rust); }
.header__actions { display: flex; align-items: center; gap: 16px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; }
.header__actions a { color: var(--ink-5); }
.header__actions a:hover { color: var(--ink); }

/* hero */
.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sage); margin: 0 0 28px; }
.h-lg { font-family: var(--sans); font-weight: 600; font-size: clamp(34px, 4.6vw, 64px); line-height: 1.02; letter-spacing: -0.03em; margin: 0; text-wrap: balance; }
.h-hero { font-family: var(--sans); font-weight: 600; font-size: clamp(30px, 4vw, 46px); line-height: 1.08; letter-spacing: -0.025em; margin: 0 0 20px; text-wrap: balance; }
.split { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 64px; align-items: end; }
.lede { font-size: 19px; line-height: 1.6; color: var(--ink); margin: 0; }

/* category chips */
.chip-nav { display: flex; flex-wrap: wrap; gap: 8px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; margin: 28px 0 0; }
.chip-nav a { padding: 10px 16px; border: 1px solid var(--rule-2); color: var(--ink-5); }
.chip-nav a:hover, .chip-nav a.is-active { border-color: var(--sage); color: var(--sage); }
.books-rail__nav { border-top: 1px solid var(--rule); margin-top: 32px; padding-top: 20px; }
.books-rail__nav .chip-nav { flex-direction: column; margin: 0; gap: 12px; }
.books-rail__nav .chip-nav a { border: none; padding: 0; color: var(--ink-5); }
.books-rail__nav .chip-nav a:hover, .books-rail__nav .chip-nav a.is-active { color: var(--sage); }

/* feed */
.feed { border-top: 1px solid var(--rule); }
.feed-row { display: grid; grid-template-columns: 96px 130px minmax(0, 1fr) 40px; gap: 24px; align-items: start; padding: 28px 0; border-bottom: 1px solid var(--rule); }
.feed-row:hover { background: var(--hover); }
.feed-row__thumb { width: 96px; height: 96px; border-radius: 6px; overflow: hidden; background: var(--hover); flex: none; aspect-ratio: 1 / 1; }
.feed-row__thumb img { width: 100%; height: 100%; object-fit: cover; }
.feed-row__thumb-empty { width: 100%; height: 100%; background: repeating-linear-gradient(135deg, var(--bg) 0 6px, var(--hover) 6px 12px); }
.feed-row__meta { padding-top: 4px; }
.feed-row__date { font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; color: var(--ink-5); margin-top: 6px; }
.feed-row__cat { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; }
.feed-row__title { font-family: var(--sans); font-weight: 600; font-size: 23px; letter-spacing: -0.015em; line-height: 1.25; margin: 0 0 8px; }
.feed-row__title a { color: var(--ink); }
.feed-row__byline { font-size: 15px; color: var(--ink-3); margin-bottom: 8px; }
.feed-row__excerpt { font-size: 16px; line-height: 1.55; color: var(--ink); margin: 0; max-width: 52em; }
.feed-row__arrow { text-align: right; color: var(--ink-5); font-size: 18px; padding-top: 4px; }
.pagination { display: flex; gap: 12px; padding: 32px 0 0; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }

/* front-page lead + grid */
.lead-story { padding-top: 8px; }
.lead-story a { color: var(--ink); display: block; }
.lead-story__title { font-family: var(--serif); font-weight: 700; font-size: clamp(30px, 4.6vw, 50px); letter-spacing: -0.02em; line-height: 1.06; margin: 0 0 18px; max-width: 44em; }
.lead-story__dek { font-family: var(--serif); font-style: italic; font-size: 21px; line-height: 1.5; color: var(--ink-3); margin: 0 0 16px; max-width: 44em; }
.lead-story__image { margin-top: 32px; }
.lead-story__image img { width: 100%; height: 440px; object-fit: cover; }
.story-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 40px; margin-top: 48px; border-top: 1px solid var(--ink); padding-top: 8px; }
.story-grid__item { color: var(--ink); padding: 22px 0; border-top: 1px solid var(--rule); }
.story-grid__item:nth-child(3n+2), .story-grid__item:nth-child(3n) { border-left: 1px solid var(--rule); padding-left: 24px; }
.story-grid__title { font-family: var(--serif); font-weight: 600; font-size: 19px; letter-spacing: -0.01em; line-height: 1.28; margin: 0 0 8px; }
.story-grid__excerpt { font-size: 15px; line-height: 1.5; color: var(--ink-3); margin: 0 0 8px; }

/* front layout + books rail */
.front-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 56px; align-items: start; }
.books-rail { border-top: 2px solid var(--ink); padding-top: 16px; }
.regen-search { display: flex; align-items: center; border: 1px solid var(--rule-2); margin-bottom: 32px; }
.regen-search input { flex: 1; border: none; outline: none; background: transparent; padding: 11px 12px; font-family: var(--serif); font-size: 14px; color: var(--ink); }
.regen-search button { border: none; background: none; padding: 0 12px; color: var(--ink-5); font-size: 14px; cursor: pointer; }
.book-ad { display: block; color: var(--ink); margin-bottom: 28px; }
.book-ad__cover { width: 140px; height: auto; display: block; margin: 0 auto 12px; }
.book-ad__cover--empty { background: #ffffff; border: 1px solid var(--rule-2); }
.book-ad__title { font-family: var(--serif); font-weight: 700; font-size: 16px; line-height: 1.3; margin-bottom: 4px; }
.book-ad__author { font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; color: var(--ink-5); }

/* single article */
.article-head { max-width: 900px; margin: 0 auto; padding: 72px var(--gutter) 48px; }
.article-back { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-5); margin-bottom: 28px; display: inline-block; }
.article-back:hover { color: var(--ink); }
.article-body { max-width: 760px; margin: 0 auto; padding: 48px var(--gutter) 96px; font-size: 19px; line-height: 1.75; }
.article-body p + p { margin-top: 1.1em; }
.article-body h2 { font-family: var(--sans); font-weight: 600; font-size: 28px; letter-spacing: -0.02em; margin-top: 1.8em; }
.article-body blockquote { border-left: 2px solid var(--sage); margin-left: 0; padding-left: 24px; font-size: 22px; line-height: 1.45; color: var(--ink); }
.article-body figure { margin: 2em 0; }
.article-body figcaption { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-5); margin-top: 8px; }
.article-meta { font-size: 17px; color: var(--ink-3); }

.prose { max-width: 44em; font-size: 18px; line-height: 1.65; color: var(--ink); }
.prose > * + * { margin-top: 1.1em; }

/* footer */
.site-footer { border-top: 1px solid var(--rule); }
.site-footer__inner { padding: 40px 0; display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-5); }
.site-footer a { color: var(--ink-5); }
.site-footer a:hover { color: var(--ink); }

@media (max-width: 900px) {
  :root { --gutter: 24px; }
  .split { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .feed-row { grid-template-columns: 64px minmax(0, 1fr); gap: 16px; }
  .feed-row__meta, .feed-row__arrow { display: none; }
  .feed-row__thumb { width: 64px; height: 64px; }
  .story-grid { grid-template-columns: minmax(0, 1fr); }
  .story-grid__item:nth-child(3n+2), .story-grid__item:nth-child(3n) { border-left: none; padding-left: 0; }
  .front-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .books-rail { display: flex; gap: 24px; overflow-x: auto; border-top: none; padding-top: 0; }
  .book-ad { flex: 0 0 160px; margin-bottom: 0; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .nav.is-open { display: block; position: absolute; left: 0; right: 0; top: 100%; background: var(--bg); border-bottom: 1px solid var(--rule); padding: 8px 0; }
  .nav.is-open ul { flex-direction: column; gap: 0; }
  .nav.is-open a { padding: 14px var(--gutter); }
  .nav-toggle { display: block; }
  .h-lg { font-size: clamp(30px, 9vw, 44px); }
}