/* StackSift — editorial, trustworthy, fast. No web fonts, no frameworks. */
:root {
  --paper: #f7f5f0;
  --surface: #ffffff;
  --ink: #15201c;
  --ink-2: #47534e;
  --line: #e2ddd2;
  --accent: #0f5c4a;
  --accent-ink: #ffffff;
  --accent-soft: #e3efe9;
  --mark: #e8a33d;
  --note: #fbf3e2;
  --note-line: #efd9a8;
  --radius: 10px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111614;
    --surface: #18201d;
    --ink: #ecefe9;
    --ink-2: #a9b4ae;
    --line: #2a3531;
    --accent: #5cc4a2;
    --accent-ink: #0b1411;
    --accent-soft: #1b2c26;
    --note: #241f14;
    --note-line: #4a3d1f;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.65 var(--sans); }
a { color: var(--accent); text-underline-offset: 3px; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 .5em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.muted, .meta { color: var(--ink-2); }
.meta { font-size: .875rem; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; z-index: 10; }
:focus-visible { outline: 3px solid var(--mark); outline-offset: 2px; }

/* Header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 64px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 10px; font: 700 1.3rem/1 var(--serif); color: var(--ink); text-decoration: none; }
.logo-mark { width: 22px; height: 22px; border-radius: 6px; background:
  linear-gradient(var(--mark) 0 0) 0 0 / 100% 30% no-repeat,
  linear-gradient(var(--accent) 0 0) 0 50% / 70% 30% no-repeat,
  linear-gradient(var(--accent) 0 0) 0 100% / 40% 30% no-repeat; }
.logo-mark.big { width: 44px; height: 44px; flex: none; border-radius: 10px; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: .95rem; padding: 6px 10px; border-radius: 8px; }
.nav a:hover, .nav a[aria-current] { color: var(--ink); background: var(--accent-soft); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px; font: inherit; color: var(--ink); }
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav { display: none; width: 100%; flex-direction: column; padding-bottom: 12px; }
  .nav.open { display: flex; }
}

/* Typography helpers */
.eyebrow { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: .6rem; }
.lede { font-size: 1.15rem; color: var(--ink-2); max-width: 62ch; }

/* Hero */
.hero { border-bottom: 1px solid var(--line); background:
  radial-gradient(1200px 400px at 85% -10%, var(--accent-soft), transparent 60%); }
.hero-inner { padding: 72px 20px 56px; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4rem); max-width: 17ch; }
.topic-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.chip { border: 1px solid var(--line); background: var(--surface); color: var(--ink); text-decoration: none; padding: 8px 14px; border-radius: 999px; font-size: .95rem; }
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* Buttons */
.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); padding: 10px 18px; border-radius: 8px; font-weight: 600; text-decoration: none; }
.btn-ghost { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }

/* Featured */
.featured { margin-top: 40px; }
.featured-card { display: block; background: var(--ink); color: var(--paper); border-radius: 16px; padding: 40px; text-decoration: none; }
.featured-card .eyebrow { color: var(--mark); }
.featured-card h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); max-width: 24ch; }
.featured-card p { color: inherit; opacity: .8; max-width: 60ch; }
.featured-card .btn { background: var(--mark); color: #1a1406; margin-top: 8px; }
@media (prefers-color-scheme: dark) { .featured-card { background: var(--accent-soft); color: var(--ink); } }

/* Sections & cards */
.section { margin: 56px auto; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; border-bottom: 2px solid var(--ink); padding-bottom: 10px; margin-bottom: 24px; }
.section-head h2 { margin: 0; font-size: 1.5rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card-link { display: flex; flex-direction: column; height: 100%; padding: 22px; color: var(--ink); text-decoration: none; }
.card h3 { font-size: 1.25rem; }
.card p { color: var(--ink-2); font-size: .95rem; margin: 0 0 16px; flex: 1; }
.empty { color: var(--ink-2); }

.trust { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 36px; }
.trust p { color: var(--ink-2); margin: 0; }
.trust-links { display: flex; flex-direction: column; gap: 10px; }
.trust-links .btn { text-align: center; }
@media (max-width: 760px) { .trust { grid-template-columns: 1fr; padding: 24px; } }

/* Listing */
.list-head { padding: 56px 20px 8px; }
.list-head h1 { font-size: clamp(2rem, 5vw, 3rem); }
.center { text-align: center; }
.center .lede { margin: 0 auto; }
.pager { display: flex; justify-content: space-between; align-items: center; margin-top: 32px; color: var(--ink-2); }

/* Article */
.article { max-width: 760px; padding-top: 32px; padding-bottom: 24px; }
.article.narrow { max-width: 720px; }
.crumbs { font-size: .875rem; color: var(--ink-2); margin-bottom: 20px; }
.crumbs a { color: var(--ink-2); }
.article-head h1 { font-size: clamp(2rem, 5vw, 2.9rem); }
.disclosure { background: var(--note); border: 1px solid var(--note-line); border-radius: var(--radius); padding: 12px 16px; font-size: .9rem; margin: 24px 0; }
.toc { border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 14px 20px; margin: 24px 0; }
.toc summary { font-weight: 700; cursor: pointer; }
.toc ol { margin: 10px 0 0; padding-left: 20px; }
.toc li { margin: 4px 0; }

.prose h2 { font-size: 1.75rem; margin-top: 2em; scroll-margin-top: 80px; }
.prose h3 { font-size: 1.3rem; margin-top: 1.6em; scroll-margin-top: 80px; }
.prose blockquote { margin: 1.5em 0; padding: 4px 20px; border-left: 4px solid var(--accent); background: var(--accent-soft); border-radius: 0 var(--radius) var(--radius) 0; }
.prose li { margin: .35em 0; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em 0; }
.prose code { background: var(--accent-soft); padding: 1px 6px; border-radius: 4px; font-size: .9em; }
.table-wrap { overflow-x: auto; margin: 1.5em 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.prose table { border-collapse: collapse; width: 100%; font-size: .95rem; }
.prose th, .prose td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { background: var(--accent-soft); font-weight: 700; }
.prose tr:last-child td { border-bottom: 0; }

/* Components you can use inside Markdown (see README) */
.prose .verdict { border: 2px solid var(--accent); border-radius: 14px; padding: 20px 24px; margin: 2em 0; background: var(--surface); }
.prose .verdict h3 { margin-top: 0; }
.prose .pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 1.5em 0; }
.prose .pros-cons > div { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; background: var(--surface); }
.prose .pros-cons h4 { margin: 0 0 6px; }
.prose .pros h4 { color: var(--accent); }
.prose .cons h4 { color: #b4462e; }
@media (max-width: 600px) { .prose .pros-cons { grid-template-columns: 1fr; } }
.prose a.aff.cta, .prose .cta { display: inline-block; background: var(--accent); color: var(--accent-ink); padding: 12px 22px; border-radius: 8px; font-weight: 700; text-decoration: none; }
.prose .cta-note { display: block; font-size: .8rem; color: var(--ink-2); margin-top: 6px; }

.author-box { display: flex; gap: 16px; align-items: flex-start; border-top: 1px solid var(--line); margin-top: 48px; padding-top: 24px; }
.author-box p { margin: 4px 0 0; color: var(--ink-2); font-size: .95rem; }

/* Footer */
.site-footer { background: var(--surface); border-top: 1px solid var(--line); margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; padding-top: 48px; padding-bottom: 32px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin: 6px 0; }
.footer-grid a { color: var(--ink-2); text-decoration: none; }
.footer-grid a:hover { color: var(--accent); }
.footer-h { font: 700 .8rem/1 var(--sans); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px; }
.logo-footer { margin-bottom: 10px; }
.footer-base { border-top: 1px solid var(--line); padding-top: 20px; padding-bottom: 32px; font-size: .85rem; color: var(--ink-2); }
.footer-base p { margin: 4px 0; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > div:first-child { grid-column: 1 / -1; } }