/* The Balcony Harvest — styles.css
   Clean editorial blog. Mobile-first, no frameworks. */

/* ---------- Tokens ---------- */
:root {
  --accent: #2e7d32;          /* leaf green */
  --accent-dark: #1f5c24;
  --accent-soft: #e8f3ea;
  --ink: #22301f;
  --ink-soft: #55614f;
  --paper: #fdfcf8;
  --card: #ffffff;
  --line: #e6e2d6;
  --radius: 12px;
  --maxw: 1080px;
  --measure: 68ch;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif,
          "Apple Color Emoji", "Segoe UI Emoji";
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  font-size: 1.05rem;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--accent-dark); }
a:hover, a:focus-visible { color: var(--accent); }
h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; color: var(--ink); }
h1 { font-size: 2.1rem; margin: 0.4em 0 0.5em; }
h2 { font-size: 1.5rem; margin: 2.2em 0 0.6em; }
h3 { font-size: 1.2rem; margin: 1.8em 0 0.5em; }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.4em; }
li { margin-bottom: 0.35em; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* ---------- Skip link ---------- */
.skip { position: absolute; left: -9999px; top: 0; background: var(--accent); color: #fff; padding: .6rem 1rem; z-index: 99; border-radius: 0 0 8px 0; }
.skip:focus { left: 0; color: #fff; }

/* ---------- Header / nav ---------- */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1.25rem;
  max-width: var(--maxw);
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--ink); }
.brand svg { flex: 0 0 auto; }
.brand-name { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.01em; }
.brand-name span { color: var(--accent); }
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  font-size: 1rem;
  color: var(--ink);
  cursor: pointer;
}
.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  flex-direction: column;
  gap: 0.2rem;
}
.main-nav.open ul { display: flex; }
.main-nav.open { flex-basis: 100%; order: 3; } /* dropdown takes a full row on mobile instead of squeezing in */
.nav-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:focus-visible { outline: 2px solid var(--accent-dark); outline-offset: 3px; }
.main-nav a {
  display: block;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  padding: 0.55rem 0.2rem;
}
.main-nav a:hover { color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--accent-soft), #f3f7ef 60%, var(--paper));
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero-inner {
  display: grid;
  gap: 1.5rem;
  padding: 3rem 1.25rem 2.5rem;
  max-width: var(--maxw);
  margin: 0 auto;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-dark);
  background: #fff;
  border: 1px solid var(--line);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.hero h1 { font-size: 2.4rem; margin: 0 0 0.4rem; }
.hero .tagline { font-size: 1.25rem; font-weight: 600; color: var(--accent-dark); margin: 0 0 0.8rem; }
.hero .pitch { max-width: 60ch; color: var(--ink-soft); margin-bottom: 0; }
.hero-art { justify-self: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 0.7rem 1.3rem;
  border-radius: 8px;
  border: 2px solid var(--accent);
}
.btn:hover, .btn:focus-visible { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--accent-dark); }
.btn-ghost:hover, .btn-ghost:focus-visible { background: var(--accent-soft); color: var(--accent-dark); }

/* ---------- Cards / grids ---------- */
.section { padding: 2.5rem 0; }
.section-title { font-size: 1.7rem; margin: 0 0 0.4rem; }
.section-lede { color: var(--ink-soft); margin: 0 0 1.8rem; max-width: 70ch; }

.featured-card {
  display: grid;
  gap: 1.5rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 2px 10px rgba(46,125,50,0.06);
}
.featured-card h3 { font-size: 1.6rem; margin: 0.4rem 0 0.6rem; }
.featured-card .pillar { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent-dark); }
.featured-card h3 a { text-decoration: none; color: var(--ink); }
.featured-card h3 a:hover { color: var(--accent); }
.featured-art { display: flex; align-items: center; justify-content: center; background: var(--accent-soft); border-radius: var(--radius); padding: 1rem; }

.grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.card h3 { font-size: 1.2rem; margin: 0; }
.card h3 a { text-decoration: none; color: var(--ink); }
.card h3 a:hover { color: var(--accent); }
.card p { color: var(--ink-soft); margin: 0; font-size: 0.98rem; }
.card .pillar { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent-dark); }
.card .readmore { margin-top: auto; font-weight: 700; text-decoration: none; }

/* ---------- About / newsletter ---------- */
.split { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.about-card, .newsletter-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.about-card h2, .newsletter-card h2 { font-size: 1.4rem; margin-top: 0; }
.newsletter-card { background: var(--accent-soft); border-color: #cfe3d2; }
.newsletter-card p { margin-bottom: 0; color: var(--ink-soft); }

/* ---------- Article pages ---------- */
.breadcrumb { font-size: 0.9rem; margin: 1.5rem 0 0.5rem; color: var(--ink-soft); }
.breadcrumb a { text-decoration: none; font-weight: 600; }
.article-body { max-width: var(--measure); }
.article-meta { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 1rem; display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; }
.affiliate-note {
  background: #fffbe8;
  border: 1px solid #e8dfa8;
  border-radius: 8px;
  padding: 0.7rem 1rem;
  font-size: 0.92rem;
  color: #5d5626;
  margin: 1.2rem 0 1.8rem;
}
.affiliate-note a { color: #5d5626; font-weight: 700; }
.lede { font-size: 1.2rem; color: var(--ink-soft); }
.faq { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.6rem; margin-top: 2.5rem; }
.faq h2 { margin-top: 0; }
.faq dt { font-weight: 700; margin-top: 1rem; }
.faq dd { margin: 0.3rem 0 0.8rem; color: var(--ink-soft); }
.keep-reading { margin-top: 2.5rem; border-top: 1px solid var(--line); padding-top: 1.5rem; }
.keep-reading h2 { font-size: 1.3rem; margin-top: 0; }
.keep-reading ul { list-style: none; padding: 0; display: grid; gap: 0.6rem; }
.keep-reading a { text-decoration: none; font-weight: 600; }
.callout {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.25rem;
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
}
table.compare { width: 100%; border-collapse: collapse; margin: 1.2rem 0; font-size: 0.95rem; }
table.compare th, table.compare td { border: 1px solid var(--line); padding: 0.6rem 0.75rem; text-align: left; }
table.compare th { background: var(--accent-soft); }
table.compare caption { text-align: left; font-weight: 700; margin-bottom: 0.5rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #eef3ec; margin-top: 3rem; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 2.5rem 1.25rem 1.5rem; display: grid; gap: 1.5rem; }
.site-footer a { color: #cfe3d2; }
.site-footer a:hover { color: #fff; }
.footer-brand { font-weight: 800; font-size: 1.15rem; color: #fff; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem 1.4rem; }
.footer-nav a { text-decoration: none; }
.footer-small { font-size: 0.88rem; color: #a9b8a6; border-top: 1px solid #3a4a39; padding-top: 1.2rem; margin: 0; }

/* ---------- Wider screens ---------- */
@media (min-width: 720px) {
  .nav-toggle { display: none; }
  .main-nav ul { display: flex; flex-direction: row; gap: 1.6rem; }
  .main-nav.open { flex-basis: auto; order: 0; }
  .main-nav a { padding: 0; }
  .hero-inner { grid-template-columns: 1.4fr 1fr; padding: 4rem 1.25rem 3.5rem; }
  .hero h1 { font-size: 3rem; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .featured-card { grid-template-columns: 1.5fr 1fr; align-items: center; }
  .split { grid-template-columns: 1.4fr 1fr; }
  .footer-inner { grid-template-columns: 1.5fr 1fr; }
}
@media (min-width: 1020px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ---------- Site enhancements (search, TOC, progress, sort, FAQ, dark mode, to-top) ---------- */
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* Search box in header */
.site-search { position: relative; order: 3; flex-basis: 100%; }
.site-search input[type="search"] {
  width: 100%;
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  -webkit-appearance: none;
}
.site-search input[type="search"]:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.search-results {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  right: 0;
  list-style: none;
  margin: 0;
  padding: 0.35rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(34, 48, 31, 0.14);
  z-index: 60;
  max-height: 22rem;
  overflow-y: auto;
}
.search-results li a {
  display: block;
  text-decoration: none;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: var(--ink);
}
.search-results li a:hover, .search-results li.active a { background: var(--accent-soft); }
.search-title { display: block; font-weight: 700; font-size: 0.95rem; }
.search-excerpt { display: block; font-size: 0.85rem; color: var(--ink-soft); margin-top: 0.15rem; }
.search-empty { padding: 0.7rem; font-size: 0.92rem; color: var(--ink-soft); }

/* Dark mode toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  order: 2;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Table of contents */
.toc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.35rem;
  margin: 0 0 2rem;
}
.toc-title { font-weight: 800; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-dark); margin: 0 0 0.6rem; }
.toc ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.3rem; }
.toc li.toc-sub { padding-left: 1.1rem; }
.toc a { text-decoration: none; font-size: 0.95rem; color: var(--ink-soft); border-left: 2px solid transparent; padding-left: 0.5rem; margin-left: -0.5rem; display: inline-block; }
.toc a:hover { color: var(--accent); }
.toc a.active { color: var(--accent-dark); font-weight: 700; border-left-color: var(--accent); }

/* Reading progress bar */
.read-progress { position: fixed; top: 0; left: 0; right: 0; height: 4px; z-index: 80; pointer-events: none; }
.read-progress span { display: block; height: 100%; width: 0; background: var(--accent); }

/* Sortable tables */
table.compare th .sort-btn {
  all: unset;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  color: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
table.compare th .sort-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
table.compare th .sort-arrow::after { content: "\2195"; font-size: 0.85em; color: var(--ink-soft); }
table.compare th[aria-sort="ascending"] .sort-arrow::after { content: "\2191"; color: var(--accent-dark); }
table.compare th[aria-sort="descending"] .sort-arrow::after { content: "\2193"; color: var(--accent-dark); }

/* FAQ accordions */
.faq-item + .faq-item { border-top: 1px solid var(--line); }
.faq dt { margin-top: 0; }
.faq-item .faq-q {
  all: unset;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink);
  padding: 0.85rem 0;
  box-sizing: border-box;
}
.faq-item .faq-q:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.faq-item .faq-q::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--accent-dark);
  transition: transform 0.2s ease;
}
.faq-item .faq-q[aria-expanded="true"]::after { content: "\2212"; }
.faq dd { margin: 0 0 1rem; color: var(--ink-soft); }

/* Back-to-top button */
.to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(34, 48, 31, 0.25);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  z-index: 70;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--accent-dark); }
.to-top:focus-visible { outline: 2px solid var(--accent-dark); outline-offset: 3px; }

/* ---------- Dark mode ---------- */
[data-theme="dark"] {
  --accent: #66bb6a;
  --accent-dark: #a5d6a7;
  --accent-soft: #1d2b1e;
  --ink: #e9f1e6;
  --ink-soft: #b3bfae;
  --paper: #131711;
  --card: #1b211a;
  --line: #2f3a2d;
}
[data-theme="dark"] a { color: var(--accent-dark); }
[data-theme="dark"] a:hover, [data-theme="dark"] a:focus-visible { color: #c8e6c9; }
[data-theme="dark"] .hero { background: linear-gradient(160deg, #1d2b1e, #171d15 60%, var(--paper)); }
[data-theme="dark"] .eyebrow { background: var(--card); }
[data-theme="dark"] .affiliate-note { background: #2b2617; border-color: #57503a; color: #d8cfa4; }
[data-theme="dark"] .affiliate-note a { color: #e8dfa8; }
[data-theme="dark"] .newsletter-card { border-color: #3a523c; }
[data-theme="dark"] .brand svg path[fill="#2e7d32"] { fill: #66bb6a; }
[data-theme="dark"] .featured-card, [data-theme="dark"] .card, [data-theme="dark"] .about-card { box-shadow: none; }

@media (min-width: 720px) {
  .site-search { order: 0; flex-basis: auto; flex: 0 1 16rem; margin-left: auto; }
  .main-nav { order: 2; }
  .theme-toggle { order: 3; }
}