/* Nature's Apprentice — shared stylesheet */
:root {
  --color-bg: #FAF8F4;
  --color-surface: #fffdf9;
  --color-muted: #EFE9DA;
  --color-ink: #1E1E1E;
  --color-ink-2: #3c3a33;
  --color-ink-3: #6B6459;
  --color-line: #e3dcc9;
  --color-brand: #16302B;
  --color-heading: #16302B;
  --color-on-brand: #ffffff;
  --color-on-brand-2: #E6DCC4;
  --color-accent: #A84E2E;
  --color-accent-hover: #BC5B39;
  --color-code-bg: #EFE9DA;
  --ripple: rgba(230, 220, 196, .08);

  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: Arial, Helvetica, sans-serif;

  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 17px;
  --text-prose: 19px;
  --text-lg: 21px;
  --text-h3: 24px;
  --text-h2: clamp(26px, 4vw, 32px);
  --text-h1: clamp(32px, 6vw, 50px);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 72px;

  --max: 1080px;
  --measure: 680px;
  --radius: 2px;
  --tap: 44px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #111816;
    --color-surface: #18211e;
    --color-muted: #212c28;
    --color-ink: #ECE6D8;
    --color-ink-2: #D2CBBB;
    --color-ink-3: #A39B8C;
    --color-line: #2E3A36;
    --color-brand: #0C1A17;
    --color-heading: #E6DCC4;
    --color-on-brand: #ffffff;
    --color-on-brand-2: #D8CDB2;
    --color-accent: #DE8E6C;
    --color-accent-hover: #EBA585;
    --color-code-bg: #212c28;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); }
a:hover { color: var(--color-accent-hover); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
h1, h2, h3 { font-weight: 400; color: var(--color-heading); text-wrap: balance; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 20px; top: 12px; background: var(--color-surface); padding: var(--space-2) var(--space-3); z-index: 10; }

.eyebrow {
  font-family: var(--font-sans); font-size: var(--text-xs);
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--color-accent); margin: 0 0 var(--space-3);
}
.section-title {
  font-family: var(--font-sans); font-size: var(--text-xs); font-weight: 400;
  letter-spacing: 1.5px; text-transform: uppercase; color: var(--color-ink-3);
  margin: 0 0 var(--space-2); padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-line);
  display: flex; justify-content: space-between; gap: var(--space-4);
}
.section-title a { color: var(--color-ink-3); text-decoration: none; }
.section-title a:hover { color: var(--color-accent); text-decoration: underline; }
.section { padding: var(--space-7) 0 var(--space-2); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: var(--tap); padding: 0 var(--space-5);
  background: var(--color-brand); color: var(--color-on-brand);
  font-family: var(--font-sans); font-size: 16px; text-decoration: none;
  border: 0; border-radius: var(--radius); cursor: pointer;
}
.btn:hover { background: var(--color-accent); color: var(--color-on-brand); }
@media (prefers-color-scheme: dark) { .btn { background: var(--color-accent); color: #111816; } .btn:hover { background: var(--color-accent-hover); color: #111816; } }

.tag {
  font-family: var(--font-sans); font-size: 11px; letter-spacing: .8px;
  text-transform: uppercase; color: var(--color-accent); text-decoration: none;
}
.tag--pill {
  display: inline-block; background: var(--color-muted); color: var(--color-heading);
  padding: 6px 12px; border-radius: var(--radius);
}
a.tag--pill:hover { background: var(--color-brand); color: var(--color-on-brand); }

/* Header */
.site-header { border-bottom: 1px solid var(--color-line); }
.site-header__inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--space-3) var(--space-6); padding-top: var(--space-4); padding-bottom: var(--space-4);
}
.brand { display: flex; flex-direction: column; text-decoration: none; line-height: 1.15; }
.brand__name { font-size: 26px; color: var(--color-heading); letter-spacing: -.2px; }
.brand__tag {
  font-family: var(--font-sans); font-size: 11px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--color-ink-3); margin-top: 5px;
}
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-1) 22px; font-family: var(--font-sans); font-size: 15px; }
.site-nav a:not(.btn) { color: var(--color-heading); text-decoration: none; min-height: var(--tap); display: flex; align-items: center; }
.site-nav a:not(.btn):hover, .site-nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 5px; }

/* Home intro */
.intro { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; padding: var(--space-7) 0 var(--space-3); }
.intro__photo { width: 132px; height: 132px; object-fit: cover; object-position: center 35%; flex: none; }
.intro__text { flex: 1 1 320px; max-width: 660px; }
.intro h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.2; margin: 0 0 var(--space-3); }
.intro p:last-child { font-size: 18px; color: var(--color-ink-2); margin: 0; }

/* Featured post */
.featured {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  background: var(--color-surface); border: 1px solid var(--color-line);
  text-decoration: none; color: inherit; margin-top: var(--space-6);
}
.featured:hover { border-color: var(--color-heading); color: inherit; }
.featured__img { width: 100%; height: 100%; min-height: 260px; max-height: 520px; object-fit: cover; object-position: center 55%; }
.featured__body { padding: clamp(24px, 4vw, 44px); display: flex; flex-direction: column; justify-content: center; gap: var(--space-3); }
.featured__meta { font-family: var(--font-sans); font-size: 13px; color: var(--color-ink-3); display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-3); align-items: center; }
.featured__title { font-size: clamp(26px, 4vw, 34px); line-height: 1.2; margin: 0; }
.featured__summary { font-size: 18px; color: var(--color-ink-2); margin: 0; }
.featured__more { font-family: var(--font-sans); font-size: 15px; color: var(--color-accent); text-decoration: underline; }

/* Post list item (repeating block) */
.post-list { list-style: none; margin: 0; padding: 0; }
.post-item { border-bottom: 1px solid var(--color-line); }
.post-item__link {
  display: flex; gap: var(--space-5); padding: var(--space-5) 0;
  text-decoration: none; color: inherit;
}
.post-item__link:hover { color: inherit; }
.post-item__link:hover .post-item__title { text-decoration: underline; text-underline-offset: 4px; }
.post-item__thumb { width: 180px; aspect-ratio: 3 / 2; object-fit: cover; flex: none; }
.post-item__body { flex: 1; min-width: 0; }
.post-item__meta { font-family: var(--font-sans); font-size: 13px; color: var(--color-ink-3); margin: 0 0 6px; display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-3); align-items: baseline; }
.post-item__title { font-size: 23px; line-height: 1.25; margin: 0 0 6px; }
.post-item__summary { font-size: 16px; line-height: 1.55; color: var(--color-ink-2); margin: 0; }
@media (max-width: 560px) {
  .post-item__link { flex-direction: column; gap: var(--space-3); }
  .post-item__thumb { width: 100%; }
}

/* Topic tile (repeating block) */
.topic-grid {
  list-style: none; margin: var(--space-5) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: var(--space-4);
}
.topic-tile {
  height: 100%; display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-5); background: var(--color-surface); border: 1px solid var(--color-line);
  text-decoration: none; color: inherit;
}
.topic-tile:hover { border-color: var(--color-heading); color: inherit; }
.topic-tile__name { font-size: 22px; line-height: 1.2; margin: 0; }
.topic-tile__desc { font-size: 16px; line-height: 1.5; color: var(--color-ink-2); margin: 0; flex: 1; }
.topic-tile__count { font-family: var(--font-sans); font-size: 13px; color: var(--color-accent); }

/* Page heads (writing, topics, topic) */
.page-head { padding: var(--space-7) 0 var(--space-5); }
.page-head h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.1; margin: 0 0 var(--space-3); }
.page-head__lede { font-size: 19px; color: var(--color-ink-2); max-width: 620px; margin: 0; }

/* Single post */
.post-header { max-width: 760px; margin: 0 auto; padding: var(--space-7) 20px 28px; }
.post-header__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.post-header h1 { font-size: var(--text-h1); line-height: 1.12; letter-spacing: -.5px; margin: 20px 0 var(--space-4); }
.post-header__summary { font-size: var(--text-lg); line-height: 1.5; font-style: italic; color: var(--color-ink-2); margin: 0 0 20px; }
.post-meta { font-family: var(--font-sans); font-size: var(--text-sm); color: var(--color-ink-3); display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-3); }
.post-hero { max-width: var(--max); margin: 0 auto var(--space-7); padding: 0 20px; }
.post-hero img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; object-position: center 55%; }
.post-hero figcaption { font-family: var(--font-sans); font-size: 13px; color: var(--color-ink-3); margin-top: 10px; }

/* Prose — all Markdown output is styled through this class */
.prose { max-width: var(--measure); margin: 0 auto; padding: 0 20px; font-size: var(--text-prose); line-height: 1.65; color: var(--color-ink); }
.prose > :first-child { margin-top: 0; }
.prose p { margin: 0 0 1.2em; }
.prose h2 { font-size: 30px; line-height: 1.2; margin: 1.9em 0 .6em; }
.prose h3 { font-size: var(--text-h3); line-height: 1.25; margin: 1.7em 0 .5em; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.3em; }
.prose li { margin-bottom: .5em; }
.prose li > ul, .prose li > ol { margin: .5em 0 0; }
.prose a { text-underline-offset: 3px; }
.prose strong { font-weight: 700; }
.prose blockquote { margin: 1.8em 0; padding: 0; font-size: 28px; line-height: 1.3; font-style: italic; color: var(--color-heading); text-wrap: balance; }
.prose blockquote::before { content: ""; display: block; width: 48px; height: 2px; background: var(--color-accent-hover); margin-bottom: 18px; }
.prose blockquote p { margin: 0 0 .5em; }
.prose blockquote p:last-child { margin: 0; }
.prose img { margin: 2em 0; width: 100%; }
.prose figure { margin: 2em 0; }
.prose figure img { margin: 0; }
.prose figcaption { font-family: var(--font-sans); font-size: 13px; line-height: 1.5; color: var(--color-ink-3); margin-top: 10px; }
.prose hr { border: 0; border-top: 1px solid var(--color-line); margin: 2.2em 0; }
.prose code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .85em; background: var(--color-code-bg); padding: .1em .35em; border-radius: var(--radius); }
.prose pre { background: var(--color-code-bg); padding: var(--space-4); overflow-x: auto; font-size: 15px; line-height: 1.5; margin: 0 0 1.2em; }
.prose pre code { background: none; padding: 0; font-size: inherit; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.6em 0; font-family: var(--font-sans); font-size: 15px; line-height: 1.45; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-line); vertical-align: top; }
.prose th { font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--color-ink-3); font-weight: 400; border-bottom-color: var(--color-heading); }

/* Author + older/newer */
.author { max-width: var(--measure); margin: var(--space-6) auto 0; padding: 0 20px; }
.author__inner { display: flex; flex-wrap: wrap; gap: 20px; background: var(--color-surface); border: 1px solid var(--color-line); padding: var(--space-5); }
.author__photo { width: 88px; height: 88px; object-fit: cover; object-position: center 35%; flex: none; }
.author__body { flex: 1 1 240px; }
.author__label { font-family: var(--font-sans); font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--color-ink-3); margin: 0 0 4px; }
.author__name { font-size: var(--text-lg); color: var(--color-heading); margin: 0 0 6px; }
.author__bio { font-size: 16px; line-height: 1.55; color: var(--color-ink-2); margin: 0 0 10px; }
.author__body > a { font-family: var(--font-sans); font-size: 15px; }

.post-nav {
  max-width: var(--measure); margin: var(--space-7) auto 0; padding: 0 20px;
}
.post-nav__inner { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.post-nav a { display: block; padding: 22px var(--space-4) 22px 0; text-decoration: none; color: inherit; }
.post-nav a.post-nav__newer { text-align: right; padding: 22px 0 22px var(--space-4); }
.post-nav a:hover .post-nav__title { text-decoration: underline; text-underline-offset: 4px; }
.post-nav__label { font-family: var(--font-sans); font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--color-ink-3); }
.post-nav__title { display: block; font-size: 19px; line-height: 1.3; color: var(--color-heading); margin-top: 6px; }

/* About */
.about { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 40px; align-items: start; padding: var(--space-7) 0 var(--space-5); }
.about__photo { width: 100%; max-height: 620px; object-fit: cover; object-position: top; }
.about__text { max-width: 620px; }
.definition { margin: 0 0 28px; padding-bottom: var(--space-5); border-bottom: 1px solid var(--color-line); }
.definition h1 { font-size: clamp(34px, 6vw, 48px); line-height: 1.1; margin: 0 0 6px; }
.definition__pos { font-family: var(--font-sans); font-size: var(--text-sm); font-style: italic; color: var(--color-ink-3); margin: 0 0 var(--space-3); }
.definition__text { font-size: var(--text-lg); line-height: 1.5; font-style: italic; color: var(--color-ink-2); margin: 0; }
.about__text .prose { padding: 0; }

/* Thanks */
.thanks { max-width: var(--measure); margin: 0 auto; padding: var(--space-8) 20px var(--space-6); }
.thanks::before { content: ""; display: block; width: 48px; height: 2px; background: var(--color-accent-hover); margin-bottom: var(--space-5); }
.thanks h1 { font-size: clamp(34px, 7vw, 52px); line-height: 1.1; margin: 0 0 18px; }
.thanks__lede { font-size: 20px; margin: 0 0 var(--space-6); }
.thanks__back { display: inline-block; margin-top: 28px; font-family: var(--font-sans); font-size: 16px; }

/* Signup block */
.signup { margin-top: var(--space-7); }
.signup__inner {
  background: var(--color-brand) repeating-radial-gradient(ellipse at 100% 0%, transparent 0 18px, var(--ripple) 18px 19px);
  color: var(--color-on-brand); padding: clamp(28px, 5vw, 48px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; align-items: center;
}
.signup .eyebrow { color: var(--color-on-brand-2); }
.signup h2 { font-size: var(--text-h2); line-height: 1.2; margin: 0 0 10px; color: var(--color-on-brand); }
.signup__note { font-size: var(--text-base); color: var(--color-on-brand-2); margin: 0; }
.signup form { display: flex; flex-direction: column; gap: var(--space-3); font-family: var(--font-sans); font-size: var(--text-sm); }
.signup label { display: flex; flex-direction: column; gap: 6px; }
.signup input[type="text"], .signup input[type="email"] {
  min-height: 46px; padding: 0 12px; font-size: 16px; font-family: var(--font-sans);
  border: 1px solid var(--color-on-brand-2); border-radius: var(--radius);
  background: #fffdf9; color: #1E1E1E;
}
.signup label:has(input[type="checkbox"]) { flex-direction: row; align-items: center; gap: 10px; min-height: var(--tap); }
.signup input[type="checkbox"] { width: 20px; height: 20px; margin: 0; accent-color: var(--color-accent-hover); flex: none; }
.signup button {
  min-height: 48px; background: #A84E2E; color: #fff; border: 0; border-radius: var(--radius);
  font-size: 16px; font-family: var(--font-sans); cursor: pointer;
}
.signup button:hover { background: #BC5B39; }

/* Footer */
.site-footer {
  margin-top: var(--space-7);
  background: var(--color-brand) repeating-radial-gradient(ellipse at 0% 100%, transparent 0 20px, rgba(230, 220, 196, .07) 20px 21px);
  color: var(--color-on-brand-2); font-family: var(--font-sans);
}
.site-footer__inner { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-6); padding-top: 44px; padding-bottom: 28px; }
.site-footer__name { font-family: var(--font-serif); font-size: 24px; color: var(--color-on-brand); margin: 0 0 var(--space-2); }
.site-footer__tag { font-size: var(--text-sm); margin: 0; }
.site-footer__label { font-size: var(--text-xs); letter-spacing: 1.5px; text-transform: uppercase; color: var(--color-on-brand); margin: 0 0 10px; }
.site-footer nav { display: flex; flex-direction: column; font-size: 15px; }
.site-footer nav a { color: var(--color-on-brand-2); text-decoration: none; padding: 8px 0; }
.site-footer nav a:hover { color: var(--color-on-brand); text-decoration: underline; }
.site-footer__base { border-top: 1px solid rgba(230, 220, 196, .25); }
.site-footer__base .wrap { padding-top: 20px; padding-bottom: 20px; font-size: var(--text-xs); }