/* Journalwright Studio site: calm, low-stimulation, mobile-first. Plain CSS, no build step. */
:root {
  --bg: #f4f1ea; --panel: #fbfaf6; --band: #ece7dc; --ink: #1f1d1a; --muted: #5f5a51; --line: #d6d0c3;
  --accent: #3f5f5a; --accent-ink: #ffffff; --focus: #2f5a9e; --ok: #3f6b45; --soon: #7a4a12; --soon-bg: #f7e9d6; --ok-bg: #e2eee3;
  --shadow: 0 1px 2px rgba(40, 30, 10, .08), 0 8px 24px rgba(40, 30, 10, .08);
  --serif: Lora, Georgia, "Times New Roman", serif; --sans: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #171715; --panel: #201f1c; --band: #1d1c1a; --ink: #ebe7df; --muted: #a8a297; --line: #36342f;
  --accent: #8fb8b0; --accent-ink: #11201d; --focus: #9bbcf0; --ok: #9cc9a2; --soon: #f0b77a; --soon-bg: #3a2b1a; --ok-bg: #223126;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
} }
:root[data-theme="dark"] {
  --bg: #171715; --panel: #201f1c; --band: #1d1c1a; --ink: #ebe7df; --muted: #a8a297; --line: #36342f;
  --accent: #8fb8b0; --accent-ink: #11201d; --focus: #9bbcf0; --ok: #9cc9a2; --soon: #f0b77a; --soon-bg: #3a2b1a; --ok-bg: #223126;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; margin: 0 0 .5em; font-weight: 600; }
h1 { font-size: clamp(2rem, 7.5vw, 3.4rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.5rem, 5vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
code { font: .9em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--band); padding: .1em .35em; border-radius: 4px; overflow-wrap: anywhere; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
section { padding: 48px 0; }
.band { background: var(--band); }
.skip { position: absolute; left: 8px; top: -60px; background: var(--panel); color: var(--ink); padding: 12px 16px; z-index: 20; border-radius: 6px; }
.skip:focus { top: 8px; }

.ic { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ic.big { width: 36px; height: 36px; color: var(--accent); }
.ic.sm { width: 16px; height: 16px; vertical-align: -2px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 4px 12px; min-height: 56px; flex-wrap: wrap; padding-top: 4px; padding-bottom: 4px; }
.brand { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; text-decoration: none; color: var(--ink); font: 600 1rem var(--serif); margin-right: auto; }
.brand .ic { color: var(--accent); }
.nav nav { display: flex; gap: 2px; order: 3; width: 100%; overflow-x: auto; scrollbar-width: none; }
.nav nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; color: var(--muted); text-decoration: none; font-size: .95rem; border-radius: 8px; white-space: nowrap; }
.nav nav a:hover { color: var(--ink); background: var(--band); }
.theme { width: 44px; height: 44px; display: grid; place-items: center; background: none; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); cursor: pointer; }
.theme:hover { background: var(--band); }
@media (min-width: 720px) { .nav nav { order: 0; width: auto; } .brand { margin-right: 0; } .nav-in { flex-wrap: nowrap; } .nav nav { margin-left: auto; } }

/* hero */
.hero { padding: 40px 0 56px; }
.hero-in { display: grid; gap: 32px; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; font-size: .8rem; margin-bottom: 12px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 8px; }
.note { color: var(--muted); font-size: .9rem; }
.hero-fig { margin: 0; justify-self: center; width: min(100%, 300px); }
.hero-fig img { border-radius: 6px; box-shadow: var(--shadow); background: #fff; }
@media (min-width: 820px) { .hero-in { grid-template-columns: 1.3fr 1fr; } .hero { padding: 72px 0; } }

.btn { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--ink); text-decoration: none; font-weight: 600; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.link { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-weight: 600; }

.lede { color: var(--muted); max-width: 40em; }
.two { display: grid; gap: 32px; align-items: center; }
@media (min-width: 820px) { .two { grid-template-columns: 1fr 1fr; gap: 56px; } }
figure { margin: 0; }
figcaption { color: var(--muted); font-size: .85rem; margin-top: 8px; }
figure img { border-radius: 8px; box-shadow: var(--shadow); }

.cards { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; }
.cards li { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.cards h3 { margin: 12px 0 6px; }
.cards p { margin: 0; color: var(--muted); font-size: .95rem; }
@media (min-width: 560px) { .cards.four, .cards.three { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .cards.four { grid-template-columns: repeat(4, 1fr); } .cards.three { grid-template-columns: repeat(3, 1fr); } }

.list, .ticks { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 16px; }
.list li { display: flex; gap: 14px; align-items: flex-start; }
.list .ic { color: var(--accent); margin-top: 2px; }
.ticks li { padding-left: 28px; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 4px; top: .55em; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }

.chips { list-style: none; padding: 0; margin: 24px 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { padding: 8px 14px; border: 1px solid var(--line); background: var(--panel); border-radius: 999px; font-size: .92rem; }

.gallery { list-style: none; padding: 4px 0 12px; margin: 24px 0 0; display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; }
.gallery li { flex: 0 0 min(70%, 240px); scroll-snap-align: start; text-align: center; color: var(--muted); font-size: .9rem; }
.gallery img { border-radius: 6px; box-shadow: var(--shadow); background: #fff; margin-bottom: 8px; }
@media (min-width: 960px) { .gallery { overflow: visible; } .gallery li { flex: 1 1 0; } }

.steps { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 20px; }
.steps li { display: flex; gap: 16px; align-items: flex-start; }
.steps p { margin: 0; color: var(--muted); }
.steps h3 { margin-bottom: 4px; }
.num { flex: none; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); font: 600 1.1rem var(--serif); }
@media (min-width: 820px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 32px; } }
.code { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; overflow-x: auto; font: .85rem/1.6 ui-monospace, SFMono-Regular, Menlo, monospace; margin: 0 0 16px; max-width: 100%; }
.code code { background: none; padding: 0; overflow-wrap: normal; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
table { border-collapse: collapse; width: 100%; min-width: 0; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
tbody tr:last-child > * { border-bottom: 0; }
thead th { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
tbody th { font-weight: 600; white-space: nowrap; }
.tag { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .82rem; font-weight: 600; white-space: nowrap; }
.tag.ok { background: var(--ok-bg); color: var(--ok); }
.tag.soon { background: var(--soon-bg); color: var(--soon); }
@media (max-width: 559px) { th, td { padding: 10px; font-size: .92rem; } tbody th { white-space: normal; } }

.foot { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: .92rem; }
.foot-in { display: grid; gap: 16px; }
.links { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0 8px; }
.links a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 8px; }
@media (min-width: 720px) { .foot-in { grid-template-columns: 1fr auto; align-items: start; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

.tag.now { background: var(--panel); color: var(--ink); border: 1px solid var(--accent); }
.rintro { color: var(--muted); margin: 0 0 12px; }
.road { list-style: none; padding: 0; margin: 0 0 32px; display: grid; gap: 12px; }
.rc { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 14px 16px; }
.rh { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.rh h3 { margin: 0; font-size: 1.02rem; }
.rc p { margin: 6px 0 0; }
@media (min-width: 820px) { .road { grid-template-columns: repeat(2, 1fr); } }

/* features, figures, diagrams, worked examples */
.feat { display: grid; gap: 24px; padding: 32px 0; border-top: 1px solid var(--line); }
.feat:first-of-type { margin-top: 24px; }
.ft h3 { font-size: 1.4rem; }
.ft > p { color: var(--muted); max-width: 36em; }
.fv { display: grid; gap: 20px; align-content: start; min-width: 0; }
.fv figure { min-width: 0; }
.fv figure.narrow { max-width: 320px; }
.fv img, .exf img { width: 100%; height: auto; border: 1px solid var(--line); background: #fff; border-radius: 8px; box-shadow: var(--shadow); }
.pair > div { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: 420px; }
.pair img { box-shadow: none; }
@media (min-width: 900px) {
  .feat { grid-template-columns: 1fr 1.3fr; gap: 48px; }
  .feat.rev { grid-template-columns: 1.3fr 1fr; }
  .feat.rev .ft { order: 2; }
}
.dg { width: 100%; height: auto; display: block; color: var(--ink); font: 13px var(--sans); }
.dg .ln { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.dg .pn { fill: var(--panel); }
.dg .bl { fill: var(--band); }
.dg .acc { stroke: var(--accent); stroke-width: 2.4; }
.dg .gl { stroke: var(--line); stroke-dasharray: 3 4; }
.dg .tx text { fill: currentColor; stroke: none; }
.dg .tx .b { font-weight: 700; font-size: 14px; }
.dg .tx .m { fill: var(--muted); font-size: 12px; }
.svgf { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.svgf.wide { max-width: 520px; margin: 24px 0 0; }
.ex { display: grid; gap: 20px; padding: 28px 0; border-top: 1px solid var(--line); }
.ex:first-of-type { border-top: 0; }
.exi { display: flex; gap: 12px; align-items: flex-start; }
.exi img { flex: 1 1 0; min-width: 0; }
.exf { max-width: 520px; }
.stp { margin: 12px 0 16px; padding-left: 1.3em; display: grid; gap: 6px; }
.ext > p { color: var(--muted); }
@media (min-width: 820px) { .ex { grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: center; } }
.gallery img { border: 1px solid var(--line); }
.road { grid-template-columns: 1fr; }
@media (min-width: 820px) { .road { grid-template-columns: repeat(2, 1fr); } }
.btn:focus-visible, .link:focus-visible { outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (min-width: 560px) { .fv { grid-template-columns: repeat(2, minmax(0, 1fr)); } .fv > figure:first-child, .fv > figure.svgf:last-child:nth-child(odd) { grid-column: 1 / -1; } .fv > figure.narrow { max-width: none; } .fv > figure.pair { grid-column: span 1; } .fv > figure.pair > div { grid-template-columns: 1fr 1fr; max-width: none; } }
.ft .btn { margin-top: 8px; }