/* Year One Home — calm, practical static site */
:root {
  --bg: #f7f5f2;
  --surface: #ffffff;
  --ink: #1c1b19;
  --muted: #5c5a55;
  --line: #e4e0d8;
  --accent: #2f5d50;
  --accent-soft: #e8f0ed;
  --warn: #6b4f2a;
  --warn-bg: #f5efe4;
  --radius: 10px;
  --max: 720px;
  --wide: 960px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 1.05rem;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: #23483e; }

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

.wrap {
  width: min(100% - 2rem, var(--wide));
  margin-inline: auto;
}

.wrap-narrow {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header .inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  padding: 0.85rem 0;
  width: min(100% - 2rem, var(--wide));
  margin-inline: auto;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span { color: var(--accent); font-weight: 600; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

/* Hero / page heads */
.hero {
  padding: 2.5rem 0 1.5rem;
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
  max-width: 40rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

/* Cards & grids */
.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}

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

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

.sku-card .price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0.35rem 0 0.75rem;
}

.sku-card .price small {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
}

.sku-list {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none !important;
  padding: 0.65rem 1.15rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
}

.btn:hover { background: #23483e; }

.btn-secondary {
  background: transparent;
  color: var(--accent) !important;
  border: 1.5px solid var(--accent);
}

.btn-secondary:hover {
  background: var(--accent-soft);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

/* Article body */
.article {
  padding: 1.5rem 0 3rem;
}

.article h2 {
  font-size: 1.4rem;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.02em;
}

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

.article p { margin: 0 0 1rem; }

.article ul, .article ol {
  margin: 0 0 1.15rem;
  padding-left: 1.25rem;
}

.article li { margin-bottom: 0.35rem; }

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin: 0 0 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  background: var(--accent-soft);
  font-weight: 600;
  color: var(--ink);
}

tr:last-child td { border-bottom: none; }

/* Callouts */
.callout {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.15rem;
  margin: 1.5rem 0;
}

.callout h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

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

.disclosure-box {
  background: var(--warn-bg);
  border: 1px solid #e0d4bc;
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
  color: var(--warn);
}

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

.todo-affiliate {
  border: 1px dashed #b8a882;
  background: #faf7f0;
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin: 1.25rem 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.todo-affiliate code {
  font-size: 0.85rem;
  background: #efe8d8;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

/* Sections on home */
.section {
  padding: 1.5rem 0 2.5rem;
}

.section-title {
  font-size: 1.35rem;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

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

.article-list li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 0.65rem;
  padding: 1rem 1.15rem;
}

.article-list a {
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
}

.article-list a:hover { color: var(--accent); }

.article-list p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 2rem 0 2.5rem;
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-footer .inner {
  width: min(100% - 2rem, var(--wide));
  margin-inline: auto;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.footer-nav a {
  color: var(--muted);
  text-decoration: none;
}

.footer-nav a:hover { color: var(--accent); }

.footer-legal {
  max-width: 42rem;
  margin: 0;
  line-height: 1.55;
}

/* Utility */
.muted { color: var(--muted); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.stack > * + * { margin-top: 1rem; }