/* ==========================================================================
   YAML Formatter Online — design tokens
   Palette: warm parchment paper + config-file gold accent + deep-charcoal
   editor surface. Headline serif is Fraunces (editorial, has personality),
   body is Public Sans, code/editor is JetBrains Mono.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500&family=Public+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --paper: #FAF6EC;
  --paper-dim: #F2ECDB;
  --ink: #1D231F;
  --ink-soft: #4B564E;
  --ink-faint: #7A8279;
  --accent: #C2872E;
  --accent-deep: #8F5E17;
  --accent-soft: #F1E1BE;
  --forest: #35604F;
  --forest-soft: #E4EEE7;
  --rust: #A8412A;
  --rust-soft: #F6E4DE;
  --line: #DFD6BE;
  --code-bg: #1B2321;
  --code-bg-raise: #232B27;
  --code-text: #ECE6D6;
  --code-line: #313B34;
  --shadow: 0 1px 0 rgba(29,35,31,0.06);
  --radius: 6px;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--accent-deep);text-decoration-thickness:1px;text-underline-offset:2px;}
a:hover{color:var(--ink);}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.15;color:var(--ink);margin:0 0 .5em;}
code, pre, kbd{font-family:var(--mono);}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px;}
.narrow{max-width:740px;margin:0 auto;padding:0 24px;}

/* ---------- top nav ---------- */
.site-nav{
  border-bottom:1px solid var(--line);
  background:var(--paper);
  position:sticky;top:0;z-index:40;
}
.site-nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:600;font-size:1.15rem;color:var(--ink);text-decoration:none;}
.brand .mark{
  width:28px;height:28px;border-radius:7px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent-soft);font-family:var(--mono);font-size:12px;font-weight:700;
}
.nav-links{display:flex;align-items:center;gap:22px;font-size:.94rem;}
.nav-links a{color:var(--ink-soft);text-decoration:none;font-weight:500;}
.nav-links a:hover{color:var(--ink);}
.nav-links .cta{
  background:var(--ink);color:var(--paper);padding:8px 16px;border-radius:20px;
}
.nav-links .cta:hover{background:var(--accent-deep);color:var(--paper);}
.nav-toggle{display:none;}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);margin-top:80px;padding:48px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-grid h4{font-family:var(--sans);font-size:.78rem;letter-spacing:.02em;color:var(--ink-faint);margin-bottom:12px;font-weight:600;}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;}
.footer-grid a{color:var(--ink-soft);text-decoration:none;font-size:.92rem;}
.footer-grid a:hover{color:var(--accent-deep);}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:var(--ink-faint);font-size:.85rem;}

/* ---------- hero ---------- */
.hero{padding:52px 0 28px;}
.hero .eyebrow{color:var(--accent-deep);font-weight:600;font-size:.9rem;margin-bottom:10px;}
.hero h1{font-size:clamp(1.9rem,3.4vw,2.7rem);max-width:16ch;}
.hero p.lede{max-width:56ch;color:var(--ink-soft);font-size:1.08rem;margin-top:14px;}
.trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:22px;color:var(--ink-faint);font-size:.86rem;}
.trust-row span{display:flex;align-items:center;gap:6px;}
.trust-row .dot{width:6px;height:6px;border-radius:50%;background:var(--forest);}

/* ---------- tool ---------- */
.tool{
  background:var(--code-bg);
  border-radius:14px;
  padding:0;
  overflow:hidden;
  box-shadow:0 18px 40px -22px rgba(27,35,33,0.55);
  margin:26px 0 8px;
  transition:border-radius .2s ease;
}
.tool.is-fullscreen{
  position:fixed;inset:14px;z-index:200;margin:0;border-radius:10px;
  display:flex;flex-direction:column;box-shadow:0 30px 70px -20px rgba(0,0,0,.6);
}
.tool.is-fullscreen .tool-panes{flex:1;min-height:0;}
.tool-backdrop{
  display:none;position:fixed;inset:0;background:rgba(15,18,16,.55);z-index:190;
}
.tool-backdrop.show{display:block;}
.tool-bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 18px;border-bottom:1px solid var(--code-line);
  flex-wrap:wrap;gap:10px;
}
.tool-bar .dots{display:flex;gap:6px;flex-shrink:0;}
.tool-bar .dots i{width:10px;height:10px;border-radius:50%;display:block;background:#465049;}
.tool-controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center;flex:1;justify-content:center;}
.btn{
  font-family:var(--sans);font-size:.84rem;font-weight:600;
  border:1px solid var(--code-line);background:var(--code-bg-raise);color:var(--code-text);
  padding:7px 13px;border-radius:7px;cursor:pointer;transition:transform .08s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{background:#2C362F;}
.btn:active{transform:scale(.97);}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#211505;}
.btn.primary:hover{background:#D6942F;}
.btn.ghost{background:transparent;}
select.btn{padding:7px 10px;}
/* compact icon-only buttons for secondary actions, keeps the toolbar from
   feeling cluttered while still exposing every feature via a tooltip */
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;padding:0;flex-shrink:0;
  border:1px solid var(--code-line);background:var(--code-bg-raise);color:var(--code-text);
  border-radius:7px;cursor:pointer;transition:background .15s ease,transform .08s ease;
}
.icon-btn:hover{background:#2C362F;}
.icon-btn:active{transform:scale(.94);}
.icon-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.icon-btn.is-active{color:#8FCBA6;border-color:#3E5D4C;}

.tool-panes{display:grid;grid-template-columns:1fr 1fr;min-height:560px;}
.pane{display:flex;flex-direction:column;border-right:1px solid var(--code-line);min-height:0;}
.pane:last-child{border-right:none;}
.pane-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:9px 16px;font-size:.76rem;letter-spacing:.03em;color:#8A9690;
  border-bottom:1px solid var(--code-line);
}
.pane-head .count{font-family:var(--mono);color:#657069;}
.editor-wrap{position:relative;flex:1;min-height:0;}
.editor-highlight, textarea.editor, pre.editor-out{
  position:absolute;inset:0;margin:0;border:none;outline:none;
  font-family:var(--mono);font-size:.92rem;line-height:1.6;
  padding:16px 18px;white-space:pre;overflow:auto;
}
.editor-highlight{color:var(--code-text);pointer-events:none;background:transparent;}
textarea.editor{
  resize:none;background:transparent;color:transparent;caret-color:var(--code-text);
  z-index:2;
}
textarea.editor::placeholder{color:#586258;-webkit-text-fill-color:#586258;}
.pane:last-child .editor-wrap{overflow:hidden;}
pre.editor-out{position:static;white-space:pre-wrap;word-break:break-word;height:100%;color:var(--code-text);}
/* syntax highlight tokens */
.hl-key{color:#8FBF7F;font-weight:600;}
.hl-colon{color:#7A8279;}
.hl-string, .hl-string-plain{color:#E3B776;}
.hl-number{color:#7FB2CC;}
.hl-bool{color:#C48BD9;font-weight:600;}
.hl-dash{color:#E39C87;font-weight:700;}
.hl-comment{color:#657069;font-style:italic;}
.hl-doc{color:#657069;font-weight:700;}
.hl-anchor{color:#D9A441;}

.status-bar{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 18px;border-top:1px solid var(--code-line);
  font-size:.82rem;flex-wrap:wrap;gap:10px;
}
.status-ok{color:#8FCBA6;display:flex;align-items:center;gap:7px;}
.status-err{color:#E39C87;display:flex;align-items:center;gap:7px;}
.status-ok:before{content:"";width:7px;height:7px;border-radius:50%;background:#4E9F73;flex-shrink:0;}
.status-err:before{content:"";width:7px;height:7px;border-radius:50%;background:#C05B3E;flex-shrink:0;}
.opt-row{display:flex;gap:8px;align-items:center;color:#B7BDB4;font-size:.82rem;flex-wrap:wrap;}
.opt-row label{display:flex;gap:6px;align-items:center;cursor:pointer;white-space:nowrap;}

@media (max-width: 820px){
  .tool-panes{grid-template-columns:1fr;min-height:auto;}
  .pane{border-right:none;border-bottom:1px solid var(--code-line);min-height:320px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-links{display:none;}
  .tool.is-fullscreen{inset:0;border-radius:0;}
}

/* ---------- feature grid ---------- */
.section{padding:52px 0;}
.section-head{max-width:60ch;margin-bottom:32px;}
.section-head .kicker{color:var(--accent-deep);font-weight:600;font-size:.86rem;margin-bottom:8px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.card{
  background:var(--paper-dim);border:1px solid var(--line);border-radius:10px;
  padding:22px 22px 24px;
}
.card h3{font-size:1.05rem;margin-bottom:8px;}
.card p{color:var(--ink-soft);font-size:.94rem;margin:0;}
.card .num{
  font-family:var(--mono);color:var(--accent-deep);font-size:.82rem;font-weight:700;
  display:inline-block;margin-bottom:10px;
}
@media (max-width:820px){.grid-3,.grid-2{grid-template-columns:1fr;}}

/* ---------- faq ---------- */
.faq-item{border-top:1px solid var(--line);padding:18px 0;}
.faq-item h3{font-size:1.02rem;margin-bottom:8px;}
.faq-item p{color:var(--ink-soft);margin:0;}

/* ---------- article / blog prose ---------- */
.prose{font-size:1.06rem;color:var(--ink);}
.prose h2{margin-top:2em;font-size:1.5rem;}
.prose h3{margin-top:1.6em;font-size:1.2rem;}
.prose p{margin:0 0 1.15em;color:var(--ink);}
.prose ul, .prose ol{margin:0 0 1.15em;padding-left:1.3em;}
.prose li{margin-bottom:.4em;}
.prose code{background:var(--paper-dim);border:1px solid var(--line);padding:.1em .4em;border-radius:4px;font-size:.88em;}
.prose pre{
  background:var(--code-bg);color:var(--code-text);padding:16px 18px;border-radius:8px;
  overflow-x:auto;font-size:.88rem;line-height:1.6;margin:0 0 1.4em;
}
.prose pre code{background:none;border:none;padding:0;color:inherit;}
.prose blockquote{
  margin:0 0 1.4em;padding:4px 0 4px 18px;border-left:3px solid var(--accent);
  color:var(--ink-soft);font-style:italic;
}
.article-meta{color:var(--ink-faint);font-size:.88rem;margin-bottom:6px;}
.article-head{padding:44px 0 18px;}
.article-head h1{font-size:clamp(1.7rem,3vw,2.3rem);max-width:22ch;}
.related-box{background:var(--forest-soft);border-radius:10px;padding:20px 22px;margin:2em 0;}
.related-box h4{font-family:var(--sans);font-size:.86rem;color:var(--forest);margin-bottom:10px;letter-spacing:.02em;}
.related-box ul{margin:0;padding-left:1.1em;}
.related-box a{color:var(--forest);font-weight:600;}

/* ---------- blog index ---------- */
.post-list{display:flex;flex-direction:column;}
.post-row{
  display:grid;grid-template-columns:110px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--line);
  text-decoration:none;color:inherit;
}
.post-row:first-child{border-top:none;}
.post-row .tag{font-family:var(--mono);font-size:.78rem;color:var(--accent-deep);padding-top:3px;}
.post-row h3{margin-bottom:6px;font-size:1.12rem;color:var(--ink);}
.post-row p{margin:0;color:var(--ink-soft);font-size:.92rem;}
.post-row:hover h3{color:var(--accent-deep);}

/* ---------- callout / cta band ---------- */
.cta-band{
  background:var(--ink);color:var(--paper);border-radius:14px;
  padding:40px 36px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
}
.cta-band h2{color:var(--paper);margin-bottom:6px;font-size:1.5rem;}
.cta-band p{color:#C7CEC6;margin:0;}
.cta-band .btn.primary{padding:11px 20px;font-size:.92rem;}

/* legal pages */
.legal h2{margin-top:1.6em;}
.legal p, .legal li{color:var(--ink-soft);}

.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--paper);padding:10px 16px;z-index:100;}
.skip-link:focus{left:12px;top:12px;}

@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} * {transition:none !important;} }