/* Components used by the long-form case-study articles (migrated from v1, re-tokenised). */
.r-section { padding: 3rem 2rem; max-width: 1400px; margin: 0 auto; }
.stat-bar { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin: 2rem 0 0; }
@media(max-width:768px){ .stat-bar { grid-template-columns: repeat(2,1fr); } }
.stat-card { background: color-mix(in srgb, var(--c-green) 4%, transparent); border: 2px solid var(--border); border-radius: 8px; padding: 1.2rem 1rem; text-align: center; transition: border-color .25s, box-shadow .25s; }
.stat-card:hover { border-color: var(--c-green); box-shadow: 0 0 16px color-mix(in srgb, var(--c-green) 25%, transparent); }
.stat-n { display: block; font-family: var(--font-mono); font-size: 1.7rem; font-weight: 700; color: var(--c-green); line-height: 1; margin-bottom: .35rem; }
.stat-l { font-size: .78rem; color: var(--text-muted); line-height: 1.4; }
.r-two { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.r-three { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
@media(max-width:900px){ .r-two,.r-three { grid-template-columns: 1fr; } }
.r-img { width: 100%; display: block; border-radius: 8px; border: 2px solid var(--border); object-fit: cover; transition: border-color .25s, box-shadow .25s; }
.r-img:hover { border-color: var(--c-green); box-shadow: 0 0 16px color-mix(in srgb, var(--c-green) 20%, transparent); }
.r-img-caption { font-size: .8rem; color: var(--text-muted); margin-top: .5rem; font-style: italic; text-align: center; }
.arch-wrap { background: var(--surface-sunken); border: 2px solid var(--border); border-radius: 8px; padding: 1.5rem 1rem; margin: 1.5rem 0; overflow-x: auto; }
.arch-wrap svg { width: 100%; max-width: 1200px; display: block; margin: 0 auto; }
.bp  { fill: color-mix(in srgb, var(--c-green) 10%, transparent); stroke: var(--c-green); stroke-width: 1.5; }
.bd  { stroke-width: 1.5; }
.ba  { fill: color-mix(in srgb, var(--c-cyan) 12%, transparent); stroke: var(--c-cyan); }
.bda { fill: color-mix(in srgb, var(--c-magenta) 12%, transparent); stroke: var(--c-magenta); }
.t-pi  { text-anchor: middle; font: 600 13px var(--font-mono); fill: var(--c-green); }
.t-sub { text-anchor: middle; font: 400 10px var(--font-mono); fill: var(--text-muted); }
.t-id  { text-anchor: middle; font: 700 12px var(--font-mono); fill: #fff; }
.t-ch  { text-anchor: middle; font: 500 10px var(--font-mono); fill: var(--c-cyan); }
.t-ro  { text-anchor: middle; font: 400 9px  var(--font-mono); fill: var(--text-muted); }
.t-bus { text-anchor: middle; font: 400 10px var(--font-mono); fill: var(--text-muted); }
.l-bus { stroke: var(--border); stroke-width: 2; }
.l-bbar{ fill: var(--border); }
.l-dev { stroke: var(--border); stroke-width: 1.5; stroke-dasharray: 4 3; }
.leg-a { font: 400 10px var(--font-mono); fill: var(--c-cyan); }
.leg-d { font: 400 10px var(--font-mono); fill: var(--c-magenta); }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; margin-top: 1.5rem; }
@media(max-width:900px){ .feature-grid { grid-template-columns: 1fr; } }
.feature-card { border-left: 3px solid var(--c-magenta); background: color-mix(in srgb, var(--c-magenta) 4%, transparent); border-radius: 0 8px 8px 0; padding: 1.2rem 1.4rem; }
.feature-card h4 { color: var(--c-magenta); font-size: .92rem; margin-bottom: .5rem; font-family: var(--font-mono); letter-spacing: .3px; }
.feature-card p { color: var(--text-muted); font-size: .88rem; line-height: 1.6; }
.r-table-wrap { overflow-x: auto; margin: 1.2rem 0; }
.r-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: .88rem; }
.r-table thead tr { background: color-mix(in srgb, var(--c-green) 6%, transparent); }
.r-table th { padding: .65rem 1rem; text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .6px; color: var(--c-green); border-bottom: 2px solid var(--border); white-space: nowrap; }
.r-table td { padding: .6rem 1rem; border-bottom: 1px solid var(--border); color: var(--text-muted); white-space: nowrap; }
.r-table tbody tr:hover { background: color-mix(in srgb, var(--c-green) 3%, transparent); }
.pin-adv  { display: inline-block; background: color-mix(in srgb, var(--c-cyan) 12%, transparent); color: var(--c-cyan); border-radius: 4px; padding: .1rem .5rem; font-size: .78rem; font-weight: 600; }
.pin-data { display: inline-block; background: color-mix(in srgb, var(--c-magenta) 12%, transparent); color: var(--c-magenta); border-radius: 4px; padding: .1rem .5rem; font-size: .78rem; font-weight: 600; }
.r-code { background: var(--surface-sunken); border: 2px solid var(--border); border-radius: 8px; padding: 1.2rem 1.5rem; overflow-x: auto; margin: .8rem 0; }
.r-code pre { font-family: var(--font-mono); font-size: .82rem; line-height: 1.7; color: var(--code-text); white-space: pre; margin: 0; }
.kw  { color: var(--c-magenta); }
.cmt { color: var(--text-faint); }
.hl  { color: var(--c-green); }
.state-flow { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; margin: 1rem 0; }
.state-box { background: color-mix(in srgb, var(--c-green) 7%, transparent); border: 1px solid color-mix(in srgb, var(--c-green) 30%, transparent); border-radius: 8px; padding: .75rem 1.2rem; font-family: var(--font-mono); font-size: .82rem; text-align: center; color: var(--c-green); line-height: 1.4; }
.state-box small { color: var(--text-muted); font-size: .75rem; display: block; }
.state-arr { font-size: .75rem; color: var(--text-muted); text-align: center; white-space: pre-line; line-height: 1.4; padding: 0 .3rem; }
.pipeline { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--border); border: 2px solid var(--border); border-radius: 8px; overflow: hidden; margin: 1.5rem 0; }
@media(max-width:900px){ .pipeline { grid-template-columns: 1fr; } }
.pipe-step { background: var(--surface); padding: 1.4rem; }
.pipe-n { width: 26px; height: 26px; background: var(--c-green); color: var(--surface-sunken); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .82rem; margin-bottom: .65rem; font-family: var(--font-mono); }
.pipe-step h4 { color: var(--c-green); font-size: .88rem; margin-bottom: .4rem; font-family: var(--font-mono); }
.pipe-step p  { color: var(--text-muted); font-size: .83rem; line-height: 1.55; }
.r-tree { background: var(--surface-sunken); border: 2px solid var(--border); border-radius: 8px; padding: 1.2rem 1.5rem; font-family: var(--font-mono); font-size: .83rem; line-height: 2; }
.r-tree .ft  { color: var(--text-muted); }
.r-tree .fn  { color: var(--c-green); }
.r-tree .ds  { color: var(--text-faint); }
.r-tree .fi  { padding-left: 1.6rem; }
.bar-chart { margin: .5rem 0; }
.bar-row { display: flex; align-items: center; gap: .8rem; margin-bottom: .55rem; }
.bar-lbl { width: 58px; text-align: right; font-family: var(--font-mono); font-size: .8rem; color: var(--text-muted); flex-shrink: 0; }
.bar-outer { flex: 1; height: 14px; background: var(--border-soft); border-radius: 3px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 3px; width: 0; transition: width .8s ease-out; }
.b-adv { background: var(--c-cyan); }
.b-pdu { background: var(--c-green); }
.bar-val { width: 96px; font-family: var(--font-mono); font-size: .78rem; color: var(--text-muted); flex-shrink: 0; }
.result-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin: 1.5rem 0; }
@media(max-width:800px){ .result-grid { grid-template-columns: repeat(2,1fr); } }
.result-card { background: color-mix(in srgb, var(--c-cyan) 4%, transparent); border: 2px solid var(--border); border-radius: 8px; padding: 1.3rem 1rem; text-align: center; transition: border-color .25s, box-shadow .25s; }
.result-card:hover { border-color: var(--accent); box-shadow: 0 0 14px color-mix(in srgb, var(--c-cyan) 20%, transparent); }
.rc-n { font-family: var(--font-mono); font-size: 1.7rem; font-weight: 700; color: var(--accent); letter-spacing: -.5px; line-height: 1.1; margin-bottom: .3rem; }
.rc-l { font-size: .78rem; color: var(--text-muted); line-height: 1.4; }
.sync-box { background: color-mix(in srgb, var(--c-green) 5%, transparent); border: 2px solid color-mix(in srgb, var(--c-green) 20%, transparent); border-radius: 8px; padding: 1rem 1.2rem; margin-top: 1rem; }
.sync-row { display: flex; justify-content: space-between; align-items: center; padding: .38rem 0; font-size: .88rem; border-bottom: 1px solid color-mix(in srgb, var(--c-green) 8%, transparent); color: var(--text-muted); font-family: var(--font-mono); }
.sync-row:last-child { border: none; }
.sync-row strong { color: var(--c-green); font-weight: 600; }
.spec-list { list-style: none; padding: 0; }
.spec-list li { padding: .7rem 0; border-bottom: 1px solid var(--border); font-size: .9rem; line-height: 1.5; color: var(--text-muted); }
.spec-list li:last-child { border: none; }
.spec-list li strong { color: var(--text); display: block; font-size: .86rem; margin-bottom: .15rem; }
.roadmap-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }
@media(max-width:1000px){ .roadmap-grid { grid-template-columns: repeat(2,1fr); } }
@media(max-width:600px) { .roadmap-grid { grid-template-columns: 1fr; } }
.rm-card { border-radius: 8px; padding: 1.2rem; border: 2px solid transparent; transition: transform .2s; }
.rm-card:hover { transform: translateY(-3px); }
.rm-done   { background: color-mix(in srgb, var(--c-green) 6%, transparent); border-color: color-mix(in srgb, var(--c-green) 28%, transparent); }
.rm-next   { background: color-mix(in srgb, var(--c-cyan) 6%, transparent);  border-color: color-mix(in srgb, var(--c-cyan) 28%, transparent); }
.rm-future { background: color-mix(in srgb, var(--c-magenta) 5%, transparent);  border-color: color-mix(in srgb, var(--c-magenta) 20%, transparent); }
.rm-badge { display: inline-block; border-radius: 20px; font-size: .7rem; font-weight: 600; padding: .12rem .6rem; margin-bottom: .55rem; text-transform: uppercase; letter-spacing: .5px; font-family: var(--font-mono); }
.rm-done .rm-badge   { background: color-mix(in srgb, var(--c-green) 15%, transparent); color: var(--c-green); }
.rm-next .rm-badge   { background: color-mix(in srgb, var(--c-cyan) 15%, transparent);  color: var(--accent); }
.rm-future .rm-badge { background: color-mix(in srgb, var(--c-magenta) 15%, transparent);  color: var(--c-magenta); }
.rm-card h4 { font-size: .9rem; margin-bottom: .4rem; color: var(--text); font-family: var(--font-mono); }
.rm-card p  { font-size: .82rem; color: var(--text-muted); line-height: 1.5; }
.r-h2 { font-family: var(--font-display); font-size: 2.4rem; color: var(--accent); margin-bottom: .4rem; letter-spacing: .5px; }
.r-h3 { font-family: var(--font-mono); font-size: .88rem; font-weight: 600; color: var(--c-magenta); text-transform: uppercase; letter-spacing: .8px; margin: 1.6rem 0 .7rem; }
.r-lead { color: var(--text-muted); font-size: .95rem; line-height: 1.75; margin-bottom: 1.2rem; max-width: 900px; }
.r-p    { color: var(--text-muted); font-size: .9rem; line-height: 1.7; margin-bottom: .8rem; }
.r-divider { border: none; border-top: 2px solid var(--border); margin: 0; }
.inline-code { color: var(--c-green); background: color-mix(in srgb, var(--c-green) 10%, transparent); padding: .1em .4em; border-radius: 4px; font-family: var(--font-mono); font-size: .85em; }
/* -- PAwR case study additions -- */
/* Layout helpers */
.r-two   { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
/* Stat bar */
/* Result grid */
/* Bar charts */
.bar-lbl { width: 72px; text-align: right; font-family: var(--font-mono); font-size: .8rem; color: var(--text-muted); flex-shrink: 0; }
.bar-lbl-wide { width: 120px; }
.b-grn  { background: var(--c-green); }
.b-cyn  { background: var(--c-cyan); }
.b-mag  { background: var(--c-magenta); }
.b-amb  { background: var(--c-amber); }
.bar-val { width: 110px; font-family: var(--font-mono); font-size: .78rem; color: var(--text-muted); flex-shrink: 0; }
/* Tables */
.r-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: .85rem; }
.r-table td { padding: .6rem 1rem; border-bottom: 1px solid var(--border); color: var(--text-muted); }
.badge { display: inline-block; border-radius: 4px; font-size: .75rem; font-weight: 700; padding: .15rem .55rem; text-transform: uppercase; letter-spacing: .3px; font-family: var(--font-mono); }
.badge-pass    { background: color-mix(in srgb, var(--c-green) 15%, transparent); color: var(--c-green); }
.badge-fail    { background: color-mix(in srgb, var(--c-red) 15%, transparent);  color: var(--c-red); }
.badge-partial { background: color-mix(in srgb, var(--c-amber) 20%, transparent);  color: var(--c-amber); }
/* Timeline */
.timeline { display: grid; gap: 1rem; margin-top: 1.5rem; }
.tl-event { display: grid; grid-template-columns: 110px 1fr; gap: 1.2rem; padding: 1.1rem 1.2rem; background: color-mix(in srgb, var(--c-green) 3%, transparent); border: 1px solid var(--border); border-radius: 8px; }
@media(max-width:600px){ .tl-event { grid-template-columns: 1fr; } }
.tl-label { font-family: var(--font-mono); font-size: .8rem; font-weight: 700; color: var(--c-green); padding-top: .1rem; }
.tl-event h4 { margin: 0 0 .35rem; font-family: var(--font-mono); font-size: .88rem; color: var(--text); }
.tl-event p  { margin: 0; font-size: .86rem; color: var(--text-muted); line-height: 1.6; }
/* Radio rig diagram */
.rig-wrap { background: var(--surface-sunken); border: 2px solid var(--border); border-radius: 8px; padding: 1.5rem 1rem; overflow-x: auto; }
.rig-wrap svg { width: 100%; max-width: 860px; display: block; margin: 0 auto; }
/* RF pipeline */
/* Evidence cards */
.evidence-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.2rem; margin-top: 1.5rem; }
@media(max-width:900px){ .evidence-grid { grid-template-columns: 1fr; } }
.ev-card { padding: 1.3rem; background: color-mix(in srgb, var(--c-green) 3%, transparent); border: 1px solid var(--border); border-radius: 8px; }
.ev-card h4 { font-family: var(--font-mono); font-size: .86rem; color: var(--c-green); margin: 0 0 .5rem; }
.ev-card p  { font-size: .85rem; color: var(--text-muted); line-height: 1.6; margin: 0; }
/* Callout box */
.callout { padding: 1.4rem 1.6rem; background: color-mix(in srgb, var(--c-green) 5%, transparent); border: 2px solid color-mix(in srgb, var(--c-green) 20%, transparent); border-radius: 8px; }
.callout-warn { border-color: color-mix(in srgb, var(--c-amber) 40%, transparent); background: color-mix(in srgb, var(--c-amber) 5%, transparent); }
.callout h4 { font-family: var(--font-mono); font-size: .88rem; color: var(--c-green); margin: 0 0 .5rem; }
.callout-warn h4 { color: var(--c-amber); }
.callout p  { font-size: .87rem; color: var(--text-muted); line-height: 1.65; margin: 0; }
/* Sync info box */
/* Code blocks */
/* Sources list */
.sources-list { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .4rem 2rem; }
@media(max-width:700px){ .sources-list { grid-template-columns: 1fr; } }
.sources-list li { font-size: .88rem; color: var(--text-muted); padding: .4rem 0; border-bottom: 1px solid var(--border); }
.sources-list li:last-child { border: none; }
.sources-list a { color: var(--c-green); text-decoration: underline; text-underline-offset: 3px; }
/* Feature grid */

/* ---- fit legacy components into the v2 article layout ---- */
.prose .r-section { padding: 0; max-width: none; margin: 0; }
.prose .r-section + .r-section, .prose .r-divider + .r-section { margin-top: 3.2rem; }
.prose .r-divider { display: none; }
.prose .r-h2 { font: 700 1.65rem/1.2 var(--font-sans); letter-spacing: -.025em; color: var(--text); margin: 0 0 .6rem; }
.prose .r-h3 { font: 600 .8rem/1.3 var(--font-mono); color: var(--text-faint); letter-spacing: .08em; }
.prose .r-lead { font-size: 1.08rem; color: var(--text-muted); max-width: 72ch; margin-bottom: 1.4rem; }
.prose .r-p { color: var(--text-muted); }
.prose .r-img, .prose .rig-wrap img { border-width: 1px; border-radius: var(--radius); }
.prose .r-img:hover { box-shadow: none; }
.prose .r-code, .prose .r-tree { border-width: 1px; border-radius: var(--radius); background: var(--code-bg); }
.prose .arch-wrap, .prose .rig-wrap { border-width: 1px; border-radius: var(--radius); }
.prose .content-section { border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; background: var(--surface); }
.prose .content-section > * + * { margin-top: .8em; }
.prose .stat-card, .prose .result-card { border-width: 1px; box-shadow: none; }
.prose .stat-card:hover, .prose .result-card:hover { box-shadow: none; }
.prose .rc-n, .prose .stat-n { letter-spacing: -.02em; }
.prose .feature-card h4, .prose .pipe-step h4, .prose .rm-card h4, .prose .ev-card h4, .prose .callout h4, .prose .tl-event h4 { font-family: var(--font-sans); font-weight: 600; letter-spacing: -.005em; font-size: .98rem; }
.prose .t-id { fill: var(--text); }
.prose .pipe-n { color: var(--accent-ink); background: var(--accent); }
.prose .bar-fill { transition: width 1s var(--ease); }
.prose .inline-code { color: var(--c-green); background: color-mix(in srgb, var(--c-green) 10%, transparent); font-family: var(--font-mono); }
.prose .r-table { font-size: .84rem; }
.prose .r-table-wrap table { display: table; }
.prose .r-img-caption { font-style: normal; }
.prose .r-code .hl { color: var(--c-amber); } .prose .r-code .kw { color: var(--c-cyan); } .prose .r-code .cmt { color: var(--text-faint); }
.prose p, .prose .r-p { font-size: inherit; }
.prose .spec-list { padding-left: 0; }
.prose .sources-list li::marker { color: var(--accent); }