/* CrossRow guides: shared design system.
   Mirrors landing/index.html tokens; light-only, like the landing. */
:root{
  --paper:#F7F5F0; --paper-2:#EFECE4; --ink:#16150F; --ink-2:#57544A; --ink-3:#6B675A;
  --rule:#DDD9CD; --rule-2:#CBC6B8;
  --green:#0B6B4F; --green-bright:#0E8A64; --mint:#34D399;
  --panel:#12140F; --panel-2:#1B1E16; --panel-rule:#2A2E23; --panel-text:#D8DCCB; --panel-dim:#7C816E;
  --amber:#B8720F;
  --serif:"Fraunces", Georgia, serif;
  --mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans:system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
::selection{background:var(--green);color:var(--paper)}

/* ---------- nav ---------- */
nav{border-bottom:1px solid var(--rule);position:sticky;top:0;background:rgba(247,245,240,.92);backdrop-filter:blur(8px);z-index:50}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:650;font-size:21px;letter-spacing:-.01em}
.brand svg{display:block}
.nav-links{display:flex;align-items:center;gap:32px;font-family:var(--mono);font-size:13px;color:var(--ink-2)}
.nav-links a:hover{color:var(--ink)}
.btn{display:inline-block;font-family:var(--mono);font-size:13.5px;font-weight:500;padding:10px 20px;border:1px solid var(--ink);border-radius:2px;transition:all .15s ease}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn-solid{background:var(--ink);color:var(--paper)}
.btn-solid:hover{background:var(--green);border-color:var(--green)}
@media(max-width:680px){.nav-links a:not(.btn){display:none}}

/* ---------- index ---------- */
.index-head{max-width:760px;margin:0 auto;padding:80px 28px 40px}
.kicker{font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.kicker::before{content:"";display:inline-block;width:28px;height:1px;background:var(--green)}
.index-head h1{font-family:var(--serif);font-weight:550;font-size:clamp(32px,4.5vw,46px);line-height:1.1;letter-spacing:-.015em;text-wrap:balance}
.index-head p{margin-top:18px;font-size:19px;color:var(--ink-2);max-width:60ch}
.guide-list{max-width:760px;margin:0 auto;padding:0 28px 96px}
.guide-section{max-width:760px;margin:0 auto;padding:0 28px}
.guide-section-label{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin:44px 0 4px;padding-top:20px;border-top:1px solid var(--rule)}
.guide-section-label:first-of-type{border-top:none;padding-top:0}
.guide-card{display:block;border-top:1px solid var(--rule);padding:32px 0;transition:background .15s ease}
.guide-card:last-child{border-bottom:1px solid var(--rule)}
.guide-card:hover{background:linear-gradient(90deg,rgba(11,107,79,.04),transparent 70%)}
.guide-meta{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
.guide-card h2{font-family:var(--serif);font-weight:550;font-size:25px;letter-spacing:-.01em;line-height:1.2}
.guide-card p{margin-top:8px;color:var(--ink-2);font-size:16px;max-width:62ch}
.guide-card .more{display:inline-block;margin-top:12px;font-family:var(--mono);font-size:13px;color:var(--green)}

/* ---------- article ---------- */
.article{max-width:720px;margin:0 auto;padding:56px 28px 40px}
.article .kicker{margin-bottom:22px}
.article h1{font-family:var(--serif);font-weight:550;font-size:clamp(30px,4.2vw,44px);line-height:1.12;letter-spacing:-.015em;text-wrap:balance}
.article .standfirst{margin-top:20px;font-size:20px;line-height:1.55;color:var(--ink-2)}
.article .byline{margin-top:22px;padding-top:18px;border-top:1px solid var(--rule);font-family:var(--mono);font-size:12.5px;color:var(--ink-3);display:flex;gap:16px;flex-wrap:wrap}
.prose{max-width:680px;margin:0 auto;padding:8px 28px 40px}
.prose>*{max-width:65ch}
/* wider column for guides that embed app screenshots; text stays at 65ch, centered */
.prose.has-shots{max-width:900px}
.prose.has-shots>*{margin-left:auto;margin-right:auto}
.prose h2{font-family:var(--serif);font-weight:550;font-size:27px;letter-spacing:-.01em;line-height:1.2;margin:44px 0 4px}
.prose h3{font-family:var(--serif);font-weight:550;font-size:20px;margin:32px 0 2px}
.prose p{margin-top:16px;color:var(--ink);font-size:17.5px;line-height:1.68}
.prose p.lead{font-size:19px}
.prose strong{font-weight:600}
.prose a.link{color:var(--green);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--rule-2)}
.prose a.link:hover{text-decoration-color:var(--green)}
.prose ul,.prose ol{margin:16px 0 0 0;padding-left:22px;color:var(--ink);font-size:17.5px;line-height:1.6}
.prose li{margin-top:8px}
.prose li strong{color:var(--ink)}
.prose code{font-family:var(--mono);font-size:14px;background:var(--paper-2);border:1px solid var(--rule);padding:1.5px 6px;border-radius:3px;white-space:nowrap}
.prose blockquote{margin:26px 0;padding:4px 0 4px 22px;border-left:3px solid var(--green);color:var(--ink-2);font-size:19px;font-style:italic}
.prose blockquote p{color:inherit}

/* code / data panel: the landing's dark data voice */
.panel{background:var(--panel);border-radius:6px;overflow:hidden;margin:26px 0;box-shadow:0 1px 0 rgba(22,21,15,.08),0 14px 40px -18px rgba(22,21,15,.3)}
.panel-bar{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:1px solid var(--panel-rule);font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--panel-dim)}
.panel pre{margin:0;padding:14px 16px;overflow-x:auto;font-family:var(--mono);font-size:13px;line-height:1.7;color:var(--panel-text)}
.panel .c-key{color:var(--mint)}
.panel .c-dim{color:var(--panel-dim)}
.panel .c-ok{color:var(--mint)}
.panel .c-warn{color:#D9B26A}
.panel .c-bad{color:#E58C7D}
.panel .c-geo{color:#8FBFD9}
.caption{font-family:var(--mono);font-size:12.5px;color:var(--ink-3);margin-top:-14px;margin-bottom:8px}

.callout{margin:26px 0;padding:18px 20px;background:var(--paper-2);border:1px solid var(--rule);border-radius:6px}
.callout p{margin-top:0;font-size:16px;color:var(--ink-2)}
.callout strong{color:var(--ink)}

/* app screenshots */
figure.shot{margin:28px 0;max-width:none}
figure.shot img{display:block;width:100%;height:auto;border:1px solid var(--rule);border-radius:8px;box-shadow:0 1px 0 rgba(22,21,15,.05),0 16px 40px -20px rgba(22,21,15,.28)}
figure.shot figcaption{margin-top:10px;font-family:var(--mono);font-size:12.5px;color:var(--ink-3);text-align:center}
.step-lead{font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--green);margin:40px 0 -6px}

/* ---------- article footer nav ---------- */
.next-guides{max-width:720px;margin:0 auto;padding:24px 28px 0;border-top:1px solid var(--rule)}
.next-guides .kicker{margin:36px 0 18px}
.next-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.next-card{border:1px solid var(--rule);border-radius:6px;padding:18px 20px;transition:border-color .15s ease}
.next-card:hover{border-color:var(--green)}
.next-card .guide-meta{margin-bottom:8px}
.next-card h3{font-family:var(--serif);font-weight:550;font-size:18px;line-height:1.25}
@media(max-width:600px){.next-row{grid-template-columns:1fr}}

.cta-band{background:var(--paper-2);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);margin-top:64px}
.cta-inner{max-width:720px;margin:0 auto;padding:56px 28px;text-align:center}
.cta-inner h2{font-family:var(--serif);font-weight:550;font-size:28px;letter-spacing:-.01em;text-wrap:balance}
.cta-inner p{margin-top:12px;color:var(--ink-2)}
.cta-inner .btn{margin-top:24px}

/* ---------- footer ---------- */
footer{padding:36px 0 48px;background:var(--paper-2)}
.foot-inner{max-width:1120px;margin:0 auto;padding:0 28px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot-left{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:650;font-size:17px}
.foot-right{font-family:var(--mono);font-size:12px;color:var(--ink-3);text-align:right}
.foot-right a:hover{color:var(--ink)}