/* DocuFormat marketing site. System fonts only; no external requests. */
:root {
  --bg: #ffffff; --bg-alt: #f6f8fa; --text: #1f2328; --muted: #59636e; --border: #d1d9e0;
  --accent: #0969da; --accent-text: #ffffff; --ai: #8250df; --ai-bg: #f3eefc; --good: #1a7f37; --bad: #cf222e; --warn: #9a6700;
  --code-bg: #0d1117; --code-bg2: #161b22; --code-text: #e6edf3; --code-muted: #8b949e; --code-border: #30363d; --code-line: #6e7681;
  --t-k: #79c0ff; --t-s: #a5d6ff; --t-n: #ffa657; --t-b: #ff7b72; --t-c: #8b949e; --t-kw: #ff7b72; --t-p: #8b949e; --t-u: #7ee787; --t-a: #d2a8ff;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0d1117; --bg-alt: #151b23; --text: #e6edf3; --muted: #9da7b3; --border: #30363d; --accent: #4493f8; --accent-text: #0d1117; --ai: #b08cff; --ai-bg: #211a36; --good: #3fb950; --bad: #ff7b72; --warn: #d29922; --code-bg: #010409; --code-bg2: #0d1117; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, summary:focus-visible, pre:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.3rem, 5.5vw, 3.9rem); font-weight: 750; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.1rem; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
code { font-family: var(--mono); font-size: .9em; background: var(--bg-alt); border: 1px solid var(--border); border-radius: 4px; padding: .1em .35em; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 8px; top: 8px; background: var(--bg); padding: 8px 12px; z-index: 10; }
.eyebrow { font: 600 .78rem/1 var(--mono); letter-spacing: .12em; color: var(--accent); margin: 0 0 14px; text-transform: uppercase; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 46em; }
.muted { color: var(--muted); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.bar { display: flex; align-items: center; gap: 20px; min-height: 60px; flex-wrap: wrap; padding-block: 6px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; letter-spacing: -.01em; }
.logo { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: #0d1117; color: #7ee787; font: 700 14px var(--mono); border: 1px solid var(--border); }
.nav { display: flex; gap: 4px; align-items: center; margin-right: auto; }
.nav > a, .menu summary { color: var(--text); text-decoration: none; padding: 8px 12px; border-radius: 6px; cursor: pointer; font-size: .95rem; list-style: none; }
.menu summary::-webkit-details-marker { display: none; }
.menu summary::after { content: '▾'; margin-left: 6px; font-size: .75em; color: var(--muted); }
.nav > a:hover, .menu summary:hover { background: var(--bg-alt); }
.menu { position: relative; }
.menu-panel { position: absolute; top: calc(100% + 6px); left: 0; min-width: 160px; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 6px; box-shadow: 0 12px 30px rgba(0,0,0,.15); display: grid; }
.menu-panel a { padding: 8px 12px; border-radius: 6px; color: var(--text); text-decoration: none; }
.menu-panel a:hover { background: var(--bg-alt); }

/* Buttons */
.button { display: inline-flex; align-items: center; gap: 6px; padding: 12px 20px; border-radius: 8px; background: var(--accent); color: var(--accent-text); font-weight: 650; text-decoration: none; border: 1px solid var(--accent); transition: transform .15s, filter .15s; }
.button:hover { filter: brightness(1.08); transform: translateY(-1px); }
.button.secondary { background: transparent; color: var(--text); border-color: var(--border); }
.button.secondary:hover { background: var(--bg-alt); filter: none; }
.button.small { padding: 8px 14px; font-size: .92rem; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 0; }
.fine { color: var(--muted); font-size: .9rem; margin-top: 14px; }

/* Hero */
.hero { padding: clamp(40px, 7vw, 88px) 0 56px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 48px; align-items: center; }
.hero h1 { margin-bottom: 20px; }
.sub { color: var(--muted); max-width: 34em; }
.app-window { background: var(--code-bg); border: 1px solid var(--code-border); border-radius: 12px; overflow: hidden; box-shadow: 0 24px 60px rgba(13,17,23,.25); color: var(--code-text); }
.actions { display: flex; gap: 8px; padding: 10px 12px; background: var(--code-bg2); border-bottom: 1px solid var(--code-border); flex-wrap: wrap; }
.act { font: 600 .8rem var(--sans); padding: 5px 12px; border: 1px solid var(--code-border); border-radius: 6px; color: var(--code-text); }
.act.on { background: #2f6df6; border-color: #2f6df6; color: #fff; }
.act.ai { color: #b08cff; border-color: #6e4fc7; } .act.ai.on { background: #6e4fc7; color: #fff; }
.panes { display: grid; grid-template-columns: 1fr 1fr; }
.pane { min-width: 0; } .pane + .pane { border-left: 1px solid var(--code-border); }
.pane-label { margin: 0; padding: 8px 14px; font: 600 .72rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--code-muted); border-bottom: 1px solid var(--code-border); display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }

/* Code */
pre.code { margin: 0; padding: 14px 0; overflow-x: auto; background: var(--code-bg); color: var(--code-text); font: 13.5px/1.65 var(--mono); counter-reset: ln; tab-size: 2; }
pre.code code { display: block; background: none; border: 0; padding: 0; font: inherit; width: max-content; min-width: 100%; }
.l { display: block; padding: 0 16px 0 0; white-space: pre; counter-increment: ln; }
.l::before { content: counter(ln); display: inline-block; width: 2.6em; margin-right: 1em; text-align: right; color: var(--code-line); user-select: none; }
.l:empty::after { content: ' '; }
pre.mini { font-size: 12.5px; border-radius: 8px; border: 1px solid var(--code-border); padding: 10px 0; }
pre.mini .l::before { display: none; } pre.mini .l { padding-left: 12px; }
.t-k { color: var(--t-k); } .t-s { color: var(--t-s); } .t-n { color: var(--t-n); } .t-b { color: var(--t-b); } .t-c { color: var(--t-c); font-style: italic; }
.t-kw { color: var(--t-kw); font-weight: 600; } .t-p { color: var(--t-p); } .t-u { color: var(--t-u); } .t-a { color: var(--t-a); }
mark.err { background: rgba(255,123,114,.22); color: inherit; border-bottom: 2px solid #ff7b72; border-radius: 2px; padding: 0 1px; }

.editor { margin: 0; background: var(--code-bg); border: 1px solid var(--code-border); border-radius: 12px; overflow: hidden; color: var(--code-text); min-width: 0; }
.editor-bar { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; padding: 9px 14px; background: var(--code-bg2); border-bottom: 1px solid var(--code-border); }
.editor-file { font: 600 .78rem var(--mono); color: var(--code-muted); }
.editor-foot { padding: 9px 14px; border-top: 1px solid var(--code-border); font: 13px var(--mono); }
.editor-foot.ok { color: #3fb950; } .editor-foot.bad { color: #ff7b72; }
.chip { font: 600 .72rem var(--sans); padding: 3px 9px; border-radius: 999px; border: 1px solid var(--code-border); color: var(--code-muted); white-space: nowrap; }
.chip.ok { color: #3fb950; border-color: #238636; } .chip.bad { color: #ff7b72; border-color: #b62324; } .chip.ai { color: #b08cff; border-color: #6e4fc7; }

/* Sections */
.strip { border-block: 1px solid var(--border); background: var(--bg-alt); }
.strip .wrap { display: flex; gap: 8px 22px; align-items: center; flex-wrap: wrap; padding-block: 14px; font-size: .95rem; }
.strip span { color: var(--muted); } .strip a { font-family: var(--mono); font-weight: 600; text-decoration: none; color: var(--text); } .strip a:hover { color: var(--accent); }
.section { padding: clamp(56px, 8vw, 96px) 0; } .section.alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section h2 { max-width: 20em; }
.flow { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 0; margin: 28px 0; font: 600 .95rem var(--mono); }
.flow li:not(.sep) { padding: 7px 14px; border: 1px solid var(--border); border-radius: 999px; background: var(--bg); }
.flow li.ai { border-color: var(--ai); color: var(--ai); } .flow .sep { color: var(--muted); }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.step { border: 1px solid var(--border); border-radius: 12px; padding: 20px; background: var(--bg); display: flex; flex-direction: column; }
.step p { color: var(--muted); font-size: .95rem; flex: 1; }
.num { font: 700 .85rem var(--mono); color: var(--accent); margin-bottom: 10px; }
.tag { font: 600 .72rem var(--sans); padding: 3px 9px; border-radius: 999px; align-self: flex-start; }
.tag.local { color: var(--good); border: 1px solid var(--good); } .tag.ai { color: var(--ai); background: var(--ai-bg); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; }
.card { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 22px; display: flex; flex-direction: column; gap: 4px; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card p { color: var(--muted); font-size: .95rem; }
.card .code { margin-top: auto; }
.card.featured { grid-column: span 3; display: grid; grid-template-columns: 1fr 1.2fr; gap: 4px 28px; border-color: var(--accent); }
.card.featured h3, .card.featured p, .card.featured .more { grid-column: 1; } .card.featured .code { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
.more { margin-top: 14px; font-weight: 650; text-decoration: none; } .more:hover { text-decoration: underline; }

.fix-grid, .curl-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 20px; align-items: start; margin: 32px 0 20px; }
.arrow { align-self: center; display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: 1.8rem; color: var(--muted); }
.arrow .act { font-size: .8rem; border: 1px solid var(--ai); background: var(--ai); color: #fff; }
.changes { margin-top: 16px; border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; background: var(--bg-alt); }
.changes h3 { margin-bottom: 6px; } .changes ul { margin: 0; padding-left: 1.2em; }
.callout { font-size: 1.35rem; font-weight: 650; letter-spacing: -.01em; margin: 28px 0 10px; max-width: 30em; }
.note { color: var(--muted); max-width: 46em; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.panel { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 24px; } .panel.ai { border-color: var(--ai); }
.panel h3 { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; } .dot.local { background: var(--good); } .dot.ai { background: var(--ai); }
.ticks { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; font-family: var(--mono); font-size: .95rem; }
.ticks li::before { content: '✓ '; color: var(--good); } .panel.ai .ticks li::before { content: '✦ '; color: var(--ai); }

.request .req { padding: 16px 20px; font: 13.5px/1.6 var(--mono); }
.req h4 { margin: 14px 0 6px; font: 600 .72rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--code-muted); border-bottom: 1px solid var(--code-border); padding-bottom: 4px; }
.req dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 2px 18px; } .req dt { color: var(--t-k); } .req dd { margin: 0; word-break: break-all; }
.method { background: #2f6df6; color: #fff; border-radius: 4px; padding: 2px 8px; font-weight: 700; } .url { color: var(--t-u); word-break: break-all; }
.chips { list-style: none; display: flex; gap: 8px; flex-wrap: wrap; padding: 0; margin: 0; }
.chips li { border: 1px solid var(--border); border-radius: 999px; padding: 4px 14px; font-size: .9rem; color: var(--muted); }

.grid-list { list-style: none; padding: 0; margin: 28px 0 20px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-list li { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; display: flex; flex-direction: column; gap: 4px; }
.grid-list li::before { content: '✓'; color: var(--good); font-weight: 700; } .grid-list span { color: var(--muted); font-size: .92rem; }

.closing { background: #0d1117; color: #e6edf3; text-align: center; padding: clamp(56px, 8vw, 88px) 0; }
.closing h2 { margin-inline: auto; max-width: 18em; } .closing p { color: #9da7b3; } .closing .cta-row { justify-content: center; }
.closing .button { background: #4493f8; border-color: #4493f8; color: #0d1117; }

/* Inner pages */
.page { padding: 36px 0 64px; max-width: 880px; }
.breadcrumb { display: flex; gap: 8px; font-size: .88rem; color: var(--muted); margin-bottom: 28px; flex-wrap: wrap; } .breadcrumb a { color: var(--muted); }
.page h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
.example { margin: 40px 0 8px; }
.before-after { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 16px; align-items: start; } .before-after .arrow { font-size: 1.6rem; }
.single { max-width: 640px; }
.prose { margin-top: 48px; } .prose h2 { font-size: 1.6rem; } .prose ul, .prose ol { padding-left: 1.3em; } .prose li { margin-bottom: .4em; }
.link-list { list-style: none; padding: 0 !important; } .link-list li { padding: 8px 0; border-bottom: 1px solid var(--border); }
.table { width: 100%; border-collapse: collapse; font-size: .95rem; } .table th, .table td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; } .table th { color: var(--muted); font-weight: 600; }
.faq-list details { border: 1px solid var(--border); border-radius: 10px; padding: 0 16px; margin-bottom: 8px; background: var(--bg); }
.faq-list summary { cursor: pointer; padding: 14px 0; font-weight: 600; } .faq-list p { color: var(--muted); }
.related { margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--border); } .related ul { padding-left: 1.2em; } .other-formats { color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 48px 0 24px; font-size: .95rem; }
.foot { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.foot h2 { font: 600 .78rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; } .foot a { color: var(--text); text-decoration: none; } .foot a:hover { color: var(--accent); text-decoration: underline; }
.foot-brand p { color: var(--muted); margin-top: 10px; }
.legal { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--muted); }

@media (max-width: 960px) {
  .hero-grid, .fix-grid, .curl-grid, .before-after, .two { grid-template-columns: minmax(0, 1fr); }
  .arrow { transform: rotate(90deg); flex-direction: row; justify-content: center; margin: -4px 0; } .arrow .act { transform: rotate(-90deg); }
  .steps { grid-template-columns: 1fr 1fr; } .cards { grid-template-columns: 1fr 1fr; } .card.featured { grid-column: span 2; }
  .grid-list { grid-template-columns: 1fr 1fr; } .foot { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .bar { gap: 8px 12px; } .nav { order: 3; width: 100%; margin: 0 -12px; overflow-x: auto; } .bar .button.small { margin-left: auto; }
  .menu-panel { position: fixed; left: 16px; right: 16px; top: 108px; }
  .steps, .cards, .grid-list, .foot { grid-template-columns: minmax(0, 1fr); } .card.featured { grid-column: auto; grid-template-columns: 1fr; } .card.featured .code { grid-column: 1; grid-row: auto; }
  .panes { grid-template-columns: 1fr; } .pane + .pane { border-left: 0; border-top: 1px solid var(--code-border); }
  .cta-row .button { flex: 1 1 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
.panes .l { white-space: pre-wrap; overflow-wrap: anywhere; }

.before-after .arrow { align-self: center; }
body { overflow-x: hidden; }

/* Coming-soon sign-up form */
.form-card { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: #fff; }
.form-card iframe { display: block; width: 100%; height: 640px; border: 0; }
.caption { color: var(--muted); font-size: .9rem; }

/* Shell page: direction toggle */
.toggle { display: inline-flex; align-items: center; gap: 12px; margin: 0 0 8px; padding: 6px 10px; border: 1px solid var(--border); border-radius: 999px; background: var(--bg-alt); }
.toggle .act { color: var(--text); border-color: var(--border); font-size: .85rem; } .toggle .act.on { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.toggle .swap { font-size: 1.3rem; color: var(--muted); }
.pair-h { font-size: 1.15rem; margin: 28px 0 12px; }
.note { color: var(--muted); max-width: 46em; margin-top: 20px; }
.prose .before-after { margin: 20px 0; }

.cards.trio { grid-template-columns: repeat(3, 1fr); margin-top: 36px; }
#shell .before-after { margin: 12px 0 24px; }
#shell .flow { margin-top: 0; }
@media (max-width: 960px) { .cards.trio { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .cards.trio { grid-template-columns: minmax(0, 1fr); } }
.before-after .l { white-space: pre-wrap; overflow-wrap: anywhere; }
.before-after pre.code code, .panes pre.code code { width: auto; min-width: 0; }
.before-after .l, .panes .l { padding-left: 3.6em; text-indent: -3.6em; }