/* Groundwork Coffee — styles.css
   Clean, modern editorial blog design. Mobile-first, no frameworks. */

:root {
  --bg: #faf6f0;
  --surface: #ffffff;
  --ink: #2b2119;
  --muted: #6f6052;
  --accent: #9a5b26;
  --accent-dark: #7a4419;
  --accent-soft: #f3e6d4;
  --line: #e7dccb;
  --radius: 14px;
  --max-width: 1080px;
  --article-width: 720px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px; /* keep anchored sections clear of the sticky header */
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif,
    "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 1.0625rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #b97c3e, var(--accent-dark));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.brand-name {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.brand-name small {
  display: block;
  font-weight: 500;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
  color: var(--ink);
}

.nav-toggle svg { display: block; width: 22px; height: 22px; }

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.site-nav a {
  display: block;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}

.site-nav a:hover { background: var(--accent-soft); color: var(--accent-dark); }

/* ---------- Layout ---------- */
.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }

.hero {
  background:
    radial-gradient(600px 300px at 85% 20%, #f0dfc4 0%, transparent 70%),
    linear-gradient(180deg, #fffdf9, var(--bg));
  border-bottom: 1px solid var(--line);
  padding: 3.5rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem 0.85rem;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.hero .tagline {
  font-size: 1.25rem;
  color: var(--accent-dark);
  font-weight: 600;
  margin: 0 0 1rem;
}

.hero p.pitch { color: var(--muted); max-width: 34rem; margin: 0 0 1.5rem; }

.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  border: 2px solid var(--accent);
}

.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--accent-dark);
  border: 2px solid var(--accent);
}

.btn-ghost:hover { background: var(--accent-soft); color: var(--accent-dark); }

.hero-art {
  display: flex;
  justify-content: center;
}

/* ---------- Sections ---------- */
section.block { padding: 2.75rem 0; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--line);
  padding-bottom: 0.6rem;
}

.section-head h2 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -0.01em;
}

.section-head a { font-size: 0.95rem; font-weight: 600; white-space: nowrap; }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(122, 68, 25, 0.12);
}

.card .kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

/* Category art: small distinctive icon per card, keeps text cards scannable */
.card-art {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.35rem;
}

.card-art svg { width: 26px; height: 26px; stroke: var(--accent-dark); }

.card h3 { margin: 0; font-size: 1.12rem; line-height: 1.4; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--accent-dark); text-decoration: underline; }

.card p { margin: 0; color: var(--muted); font-size: 0.95rem; flex: 1; }

.card .read-more {
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  margin-top: 0.5rem;
}

.featured {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.featured-art {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem;
  min-height: 240px;
}

.featured-body { padding: 2rem; }

.featured-body .kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.featured-body h3 { font-size: 1.6rem; margin: 0.4rem 0 0.6rem; line-height: 1.3; }
.featured-body h3 a { color: var(--ink); text-decoration: none; }
.featured-body h3 a:hover { color: var(--accent-dark); }
.featured-body p { color: var(--muted); }

/* ---------- About / newsletter ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.panel h2, .panel h3 { margin-top: 0; }

.newsletter {
  background: linear-gradient(160deg, #3a2a1c, #241a10);
  color: #f6efe4;
  border: none;
}

.newsletter h2, .newsletter h3 { color: #fff; }
.newsletter p { color: #d9cbb6; }

.newsletter .embed-note {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border: 1px dashed #8a6f4d;
  border-radius: 10px;
  font-size: 0.85rem;
  color: #c9b897;
}

/* ---------- Article pages ---------- */
.article-wrap {
  max-width: var(--article-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.breadcrumb {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.breadcrumb a { text-decoration: none; font-weight: 600; }

.disclosure-note {
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 1.75rem;
}

.disclosure-note a { font-weight: 600; }

article.post h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 0.6rem;
}

.byline {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.byline strong { color: var(--ink); }

article.post h2 {
  font-size: 1.45rem;
  margin: 2.25rem 0 0.75rem;
  letter-spacing: -0.01em;
  padding-top: 0.5rem;
  border-top: 2px solid var(--accent-soft);
}

article.post h3 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }

article.post p { margin: 0 0 1.1rem; }

article.post ul, article.post ol { margin: 0 0 1.25rem; padding-left: 1.4rem; }
article.post li { margin-bottom: 0.5rem; }

article.post table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0 1.5rem;
  font-size: 0.95rem;
  background: var(--surface);
}

article.post th, article.post td {
  text-align: left;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
}

article.post th {
  background: var(--accent-soft);
  font-weight: 700;
}

.callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.callout p { margin: 0; }
.callout strong:first-child { color: var(--accent-dark); }

.faq { margin-top: 2.5rem; }
.faq h3 { font-size: 1.05rem; }

.keep-reading {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--line);
}

.keep-reading h2 { font-size: 1.3rem; margin-bottom: 1rem; border: none; padding: 0; }

.keep-reading ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }

.keep-reading a {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
}

.keep-reading a:hover { border-color: var(--accent); color: var(--accent-dark); }
.keep-reading a span { display: block; font-weight: 400; font-size: 0.88rem; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer {
  background: #241a10;
  color: #d9cbb6;
  margin-top: 2rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}

.site-footer h3, .site-footer h4 { color: #fff; margin: 0 0 0.75rem; font-size: 1rem; }

.footer-brand p { font-size: 0.92rem; margin: 0.5rem 0 0; max-width: 22rem; }

.footer-nav { list-style: none; margin: 0; padding: 0; }
.footer-nav li { margin-bottom: 0.45rem; }
.footer-nav a { color: #d9cbb6; text-decoration: none; font-size: 0.94rem; }
.footer-nav a:hover { color: #fff; text-decoration: underline; }

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem 1.75rem;
  border-top: 1px solid #3d2e1d;
  font-size: 0.82rem;
  color: #a08d74;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-bottom a { color: #d9cbb6; }

/* ---------- Disclosure page ---------- */
.disclosure-body { max-width: var(--article-width); margin: 0 auto; padding: 2.5rem 1.25rem 3rem; }
.disclosure-body h1 { font-size: 2rem; letter-spacing: -0.015em; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .two-col { grid-template-columns: 1fr; }
  .featured { grid-template-columns: 1fr; }
  .featured-art { min-height: 160px; padding: 1.5rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    display: none;
  }

  .site-nav.open { display: block; }

  .site-nav ul { flex-direction: column; align-items: stretch; padding: 0.5rem; }
  .site-nav a { padding: 0.75rem 1rem; }

  .footer-inner { grid-template-columns: 1fr; }
  section.block { padding: 2rem 0; }
}

@media (max-width: 560px) {
  article.post table { font-size: 0.82rem; }
  article.post th, article.post td { padding: 0.45rem 0.5rem; }
}

@media (min-width: 721px) {
  .site-nav { display: block !important; }
}

/* ---------- Search (site-wide, in nav) ---------- */
.nav-search { display: flex; align-items: center; }

.site-search { position: relative; }

.site-search input[type="search"] {
  font: inherit;
  font-size: 0.9rem;
  padding: 0.5rem 0.9rem;
  width: 190px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
}

.site-search input[type="search"]::placeholder { color: var(--muted); }

.site-search input[type="search"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.site-search-results {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 300px;
  max-width: 360px;
  max-height: 70vh;
  overflow-y: auto;
  margin: 0;
  padding: 0.4rem;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(43, 33, 25, 0.18);
  z-index: 80;
}

.site-search-results li { margin: 0; }

.site-search-results a {
  display: block;
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--ink);
}

.site-search-results a:hover,
.site-search-results a.active {
  background: var(--accent-soft);
}

.site-search-results a strong {
  display: block;
  font-size: 0.95rem;
  line-height: 1.35;
  margin-bottom: 0.2rem;
}

.site-search-results a span {
  display: block;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--muted);
}

.site-search-none {
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---------- Theme toggle ---------- */
.theme-toggle {
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
  cursor: pointer;
  color: var(--ink);
  line-height: 0;
  flex: none;
}

.theme-toggle:hover { background: var(--accent-soft); }

.theme-toggle svg { width: 20px; height: 20px; }

.theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: inline-block; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ---------- Dark mode ---------- */
html[data-theme="dark"] {
  --bg: #171208;
  --surface: #221a10;
  --ink: #f0e7d8;
  --muted: #bfae97;
  --accent: #d1914a;
  --accent-dark: #e0a862;
  --accent-soft: #2e2415;
  --line: #443521;
}

html[data-theme="dark"] .hero {
  background:
    radial-gradient(600px 300px at 85% 20%, #3a2c17 0%, transparent 70%),
    linear-gradient(180deg, #241b0f, var(--bg));
}

html[data-theme="dark"] .newsletter {
  background: linear-gradient(160deg, #1c1409, #0f0a05);
}

html[data-theme="dark"] .card:hover {
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

html[data-theme="dark"] .site-search-results {
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

html[data-theme="dark"] .brand-mark {
  background: radial-gradient(circle at 35% 30%, #d1914a, #7a4419);
}

/* ---------- Table of contents ---------- */
.toc {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  margin: 0 0 2rem;
}

article.post .toc h2 {
  margin: 0 0 0.5rem;
  padding: 0;
  border: none;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.toc ul { list-style: none; margin: 0; padding: 0; }

.toc li { margin: 0 0 0.3rem; }

.toc li.toc-h3 { margin-left: 1.1rem; font-size: 0.92rem; }

.toc a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  display: inline-block;
  padding: 0.1rem 0;
  border-left: 3px solid transparent;
  padding-left: 0.6rem;
  margin-left: -0.6rem;
}

.toc a:hover { color: var(--accent-dark); }

.toc a.active {
  color: var(--accent-dark);
  border-left-color: var(--accent);
}

/* ---------- Reading progress bar ---------- */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  z-index: 100;
}

/* ---------- Sortable tables ---------- */
table.sortable th {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

table.sortable th:hover { background: var(--accent-soft); filter: brightness(0.97); }

table.sortable th::after {
  content: " \21C5";
  opacity: 0.35;
  font-size: 0.8em;
  font-weight: 400;
}

table.sortable th.sorted-asc::after { content: " \25B2"; opacity: 1; }
table.sortable th.sorted-desc::after { content: " \25BC"; opacity: 1; }

/* ---------- FAQ accordions ---------- */
.faq-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 0.75rem;
  background: var(--surface);
  overflow: hidden;
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: none;
  border: none;
  padding: 1rem 1.15rem;
  font: inherit;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.faq-q:hover { background: var(--accent-soft); }

.faq-icon {
  flex: none;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 1.15rem;
  line-height: 1.6rem;
  text-align: center;
}

.faq-icon::after { content: "+"; }

.faq-q[aria-expanded="true"] .faq-icon::after { content: "\2013"; }

.faq-answer { padding: 0 1.15rem 1.15rem; }

.faq-answer[hidden] { display: none; }

.faq-answer p:last-child { margin-bottom: 0; }

/* ---------- Back-to-top button ---------- */
.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--accent-dark);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  transform: translateY(8px);
  z-index: 60;
  box-shadow: 0 8px 20px rgba(43, 33, 25, 0.25);
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover { background: var(--accent-dark); }

/* ---------- Responsive tweaks for new features ---------- */
@media (max-width: 720px) {
  .nav-search { width: 100%; padding: 0.25rem 0.5rem 0.5rem; }
  .site-search { width: 100%; }
  .site-search input[type="search"] { width: 100%; }
  .site-search-results { left: 0; right: auto; min-width: 0; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .back-to-top { transition: none; }
}