/* "What we solve" pages (/start/solve, /start/solve/:slug). Loads after landing.css and onboarding.css
   and reuses their tokens, header, buttons and footer. Story pages are articles: a header with an
   at-a-glance card, then sections that alternate prose and visuals. Every class here is sv- prefixed.
   Uses logical properties so a right-to-left translation lays out correctly. */

.sv-article-page main, .sv-hub-page main { overflow-x: clip; }
.sv-article code, .sv-hub code { white-space: normal; overflow-wrap: anywhere; padding: 1px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg-soft); color: var(--ink); font-family: var(--mono); font-size: .86em; }
.sv-up { color: var(--green) !important; }
.sv-down { color: var(--red) !important; }
.sv-flat { color: var(--muted) !important; }

/* Trade lifecycle strip */
.sv-strip { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; margin-top: 28px; }
.sv-stages, .sv-foundations { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.sv-stages li, .sv-foundations li { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--muted); font-size: 13px; font-weight: 650; white-space: nowrap; }
.sv-stages li span { color: var(--subtle); font-family: var(--mono); font-size: 11px; }
.sv-stages li[aria-current], .sv-foundations li[aria-current] { border-color: var(--ink); background: var(--ink); color: #fff; }
.sv-stages li[aria-current] span { color: var(--lime); }
.sv-foundations .sv-foundations-label { padding-inline: 0; border: 0; background: none; color: var(--subtle); font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }

/* Article header */
.sv-ahead { padding: 64px 0 56px; border-bottom: 1px solid var(--line); background: radial-gradient(ellipse 70% 60% at 85% 0%, var(--lime-soft), transparent 70%), linear-gradient(180deg, #fff, var(--bg-soft)); }
.sv-ahead-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr); gap: 48px; align-items: start; }
.sv-ahead h1 { max-width: 760px; font-size: clamp(34px, 4.6vw, 56px); font-weight: 750; letter-spacing: -.045em; line-height: 1.05; }
.sv-ahead h1 mark, .sv-hub-page h1 mark, .sv-sec h2 mark, .sv-cta h2 mark { padding: 0 .1em; border-radius: .16em; background: linear-gradient(180deg, transparent 52%, var(--lime) 52%); color: inherit; }
.sv-ahead .eyebrow { margin-bottom: 14px; }
.sv-meta { margin-top: 18px; color: var(--subtle); font-family: var(--mono); font-size: 13px; }
.sv-glance { position: sticky; top: 140px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-md); }
.sv-glance-title { margin-bottom: 14px; color: var(--subtle); font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.sv-glance dl { display: grid; gap: 12px; margin: 0; }
.sv-glance dl div { padding: 12px 14px; border-radius: 12px; }
.sv-glance-problem { background: var(--red-soft); }
.sv-glance-fix { background: var(--lime-soft); }
.sv-glance dt { margin-bottom: 4px; font-size: 12px; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.sv-glance-problem dt { color: var(--red); }
.sv-glance-fix dt { color: var(--lime-deep); }
.sv-glance dd { margin: 0; color: var(--ink); font-size: 15.5px; line-height: 1.5; }
.sv-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 0; padding: 0; list-style: none; }
.sv-chips li { padding: 4px 10px; border-radius: 999px; background: var(--bg-soft); color: var(--text); font-size: 13px; font-weight: 600; }
.sv-chips li.is-soon { border: 1px dashed var(--line-strong); background: #fff; color: var(--muted); }
.sv-chips em { color: var(--subtle); font-size: 11px; font-style: normal; }

/* Byline, lead (intro + key takeaways) and table of contents */
.sv-meta { display: flex; flex-wrap: wrap; gap: 4px 0; }
.sv-meta span + span::before { content: "·"; margin: 0 10px; color: var(--line-strong); }
.sv-lead { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.sv-takeaways { padding: 24px; border: 1px solid var(--line); border-inline-start: 4px solid var(--lime-bright); border-radius: 16px; background: var(--bg-soft); }
.sv-takeaways h2 { margin-bottom: 14px; color: var(--ink); font-size: 15px; letter-spacing: .02em; text-transform: uppercase; }
.sv-takeaways ul { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.sv-takeaways li { display: grid; grid-template-columns: 26px 1fr; gap: 10px; color: var(--text); font-size: 15.5px; line-height: 1.5; }
.sv-takeaways li i { display: grid; width: 24px; height: 24px; place-items: center; border-radius: 7px; background: var(--lime); color: var(--ink); }
.sv-toc { margin-top: 40px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.sv-toc h2 { margin-bottom: 12px; color: var(--subtle); font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.sv-toc ol { columns: 2; column-gap: 32px; margin: 0; padding-inline-start: 20px; }
.sv-toc li { margin-bottom: 8px; break-inside: avoid; color: var(--subtle); font-size: 15px; }
.sv-toc a { color: var(--ink); font-weight: 600; }
.sv-toc a:hover { color: var(--lime-deep); text-decoration: underline; }
.sv-sec { scroll-margin-top: 140px; }

/* In-depth prose, worked example and further reading */
.sv-prose { max-width: 760px; margin-top: 18px; }
.sv-prose p { color: var(--text); font-size: 17.5px; line-height: 1.75; }
.sv-prose p + p { margin-top: 16px; }
.sv-example-wrap { max-width: 860px; margin-top: 22px; overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--shadow-sm); }
.sv-example { width: 100%; border-collapse: collapse; font-size: 15.5px; }
.sv-example th { width: 38%; padding: 14px 18px; border-bottom: 1px solid var(--line); background: var(--bg-soft); color: var(--muted); font-weight: 650; text-align: start; vertical-align: top; }
.sv-example td { padding: 14px 18px; border-bottom: 1px solid var(--line); color: var(--ink); font-family: var(--mono); font-size: 14.5px; line-height: 1.5; }
.sv-example tr:last-child th, .sv-example tr:last-child td { border-bottom: 0; }
.sv-example tr:last-child td { font-family: var(--sans); font-weight: 700; }
.sv-note { max-width: 760px; margin-top: 14px; padding-inline-start: 14px; border-inline-start: 3px solid var(--lime-bright); color: var(--muted); font-size: 15.5px; line-height: 1.6; }
.sv-reading { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 22px 0 0; padding: 0; list-style: none; }
.sv-reading a { display: flex; gap: 12px; align-items: center; justify-content: space-between; height: 100%; padding: 18px 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--ink); font-weight: 650; line-height: 1.45; transition: border-color .15s ease, box-shadow .15s ease; }
.sv-reading a:hover { border-color: var(--lime-bright); box-shadow: var(--shadow-md); }
.sv-reading b { color: var(--lime-deep); }

/* Article body: prose column, wide sections for visuals */
.sv-body { padding: 56px 0 24px; }
.sv-intro { max-width: 720px; margin: 0; color: var(--ink); font-size: 20px; line-height: 1.65; }
.sv-sec { margin-top: 72px; }
.sv-sec > .eyebrow { margin-bottom: 10px; }
.sv-sec > h2 { max-width: 760px; font-size: clamp(26px, 3vw, 38px); font-weight: 730; letter-spacing: -.035em; line-height: 1.12; }
.sv-sub { max-width: 720px; margin-top: 14px; color: var(--muted); font-size: 18px; line-height: 1.6; }
.sv-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 40px; align-items: center; margin-top: 28px; }
.sv-split > *, .sv-ahead-grid > * { min-width: 0; }

.sv-pain { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }
.sv-pain li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; align-items: start; color: var(--text); font-size: 17.5px; line-height: 1.55; }
.sv-pain li i, .sv-limits li i, .sv-compare th i { display: grid; width: 26px; height: 26px; place-items: center; border-radius: 8px; }
.sv-pain li i, .sv-doesnt li i, .sv-compare th:first-child i { background: var(--red-soft); color: var(--red); }
.sv-does li i, .sv-compare th:last-child i { background: var(--lime); color: var(--ink); }
.sv-article svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.sv-article .btn-arrow { width: 16px; height: 16px; }

/* Why it happens: three numbered cards */
.sv-why { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 28px 0 0; padding: 0; list-style: none; counter-reset: sv-why; }
.sv-why li { position: relative; display: grid; align-content: start; gap: 8px; padding: 26px 24px 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm); counter-increment: sv-why; }
.sv-why li::before { content: counter(sv-why, decimal-leading-zero); position: absolute; inset-inline-end: 20px; top: 22px; color: var(--line-strong); font-family: var(--mono); font-size: 13px; font-weight: 700; }
.sv-why-big { color: var(--ink); font-family: var(--display); font-size: 30px; font-weight: 760; letter-spacing: -.04em; line-height: 1.05; }
.sv-why b { color: var(--ink); font-size: 16.5px; }
.sv-why li > span:last-child { color: var(--muted); font-size: 15.5px; line-height: 1.55; }

/* Before / after table */
.sv-compare-wrap { margin-top: 28px; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm); }
.sv-compare { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 16px; }
.sv-compare th { padding: 16px 20px; font-size: 14px; font-weight: 750; text-align: start; }
.sv-compare th i { display: inline-grid; width: 24px; height: 24px; margin-inline-end: 10px; vertical-align: middle; }
.sv-compare th:first-child { background: var(--red-soft); color: var(--red); }
.sv-compare th:last-child { background: var(--lime-soft); color: var(--lime-deep); }
.sv-compare td { width: 50%; padding: 16px 20px; border-top: 1px solid var(--line); color: var(--text); line-height: 1.5; vertical-align: top; }
.sv-compare td:first-child { color: var(--muted); }
.sv-compare td:last-child { border-inline-start: 1px solid var(--line); color: var(--ink); font-weight: 600; }

/* Solution: dark band with feature cards */
.sv-dark { margin-inline: -32px; padding: 48px 32px; border-radius: 26px; background: radial-gradient(ellipse 70% 70% at 90% 0%, rgba(196, 236, 129, .16), transparent 60%), #111b20; }
.sv-dark > .eyebrow { color: var(--lime); }
.sv-dark > h2 { color: #fff; }
.sv-dark .sv-sub { color: #b6c2c7; }
.sv-features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 28px; }
.sv-feature { position: relative; display: grid; align-content: start; gap: 6px; padding: 22px 20px; border: 1px solid rgba(255, 255, 255, .1); border-radius: 16px; background: rgba(255, 255, 255, .04); }
.sv-feature.is-soon { border-style: dashed; }
.sv-feature-no { color: #5f7076; font-family: var(--mono); font-size: 12px; }
.sv-feature b { color: #fff; font-family: var(--display); font-size: 18px; letter-spacing: -.02em; }
.sv-feature small { color: var(--lime); font-family: var(--mono); font-size: 12.5px; }
.sv-feature small code { padding: 0; border: 0; background: none; color: inherit; font-size: 1em; }
.sv-feature > span:last-child { color: #c6d0d4; font-size: 15px; line-height: 1.55; }
.sv-soon { display: inline-block; margin-inline-start: 6px; padding: 1px 8px; border: 1px solid rgba(196, 236, 129, .5); border-radius: 999px; color: var(--lime); font-family: var(--mono); font-size: 10.5px; font-style: normal; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; vertical-align: middle; }
.sv-dark code { border-color: rgba(255, 255, 255, .18); background: rgba(255, 255, 255, .08); color: #e6edf0; }

/* How it works: numbered steps joined by a line */
.sv-steps { position: relative; display: grid; gap: 22px; margin: 0; padding: 0; list-style: none; counter-reset: sv-step; }
.sv-steps::before { content: ""; position: absolute; inset-inline-start: 20px; top: 20px; bottom: 20px; width: 2px; background: linear-gradient(var(--lime), var(--line)); }
.sv-steps li { position: relative; display: grid; grid-template-columns: 42px 1fr; gap: 4px 16px; counter-increment: sv-step; }
.sv-steps li::before { content: counter(sv-step); grid-row: span 2; display: grid; width: 42px; height: 42px; place-items: center; border-radius: 12px; background: var(--ink); color: var(--lime); font-family: var(--mono); font-size: 15px; font-weight: 700; }
.sv-steps li > * { min-width: 0; }
.sv-steps b { color: var(--ink); font-size: 17.5px; }
.sv-steps li > span { color: var(--muted); font-size: 16px; line-height: 1.55; }

/* Honest limits */
.sv-limits { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.sv-limits > div { padding: 24px; border-radius: var(--radius-lg); }
.sv-does { background: var(--lime-soft); }
.sv-doesnt { background: var(--red-soft); }
.sv-limits h3 { margin-bottom: 14px; color: var(--ink); font-size: 17px; }
.sv-limits ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.sv-limits li { display: grid; grid-template-columns: 30px 1fr; gap: 10px; color: var(--text); font-size: 16px; line-height: 1.5; }
.sv-disclaimer { max-width: 760px; margin-top: 18px; color: var(--subtle); font-size: 13.5px; line-height: 1.55; }

/* FAQ */
.sv-faq { display: grid; gap: 0; margin-top: 20px; max-width: 820px; border-top: 1px solid var(--line); }
.sv-faq > div { padding: 22px 0; border-bottom: 1px solid var(--line); }
.sv-faq h3 { color: var(--ink); font-size: 18px; letter-spacing: -.01em; }
.sv-faq p { margin-top: 8px; color: var(--text); font-size: 16.5px; line-height: 1.65; }

/* Call to action and related */
.sv-cta { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 32px; align-items: center; margin-top: 80px; padding: 40px; border-radius: 26px; background: var(--lime); }
.sv-cta .eyebrow { color: var(--lime-deep); }
.sv-cta h2 { margin-top: 8px; font-size: clamp(26px, 3vw, 38px); letter-spacing: -.035em; line-height: 1.1; }
.sv-cta p { margin-top: 10px; color: var(--ink); font-size: 17px; line-height: 1.55; }
.sv-cta .ob-actions { margin-top: 22px; }
.sv-cta-links { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.sv-cta-links a { display: block; padding: 14px 16px; border-radius: 12px; background: rgba(255, 255, 255, .55); color: var(--ink); font-weight: 650; }
.sv-cta-links a:hover { background: #fff; }
.sv-related { margin: 56px 0 72px; }
.sv-related h2 { margin-bottom: 16px; font-size: 22px; letter-spacing: -.02em; }
.sv-related > div { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sv-related a { display: grid; gap: 6px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.sv-related a:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.sv-related small { color: var(--subtle); font-family: var(--mono); font-size: 12px; }
.sv-related b { color: var(--ink); font-size: 18px; }
.sv-related span { color: var(--muted); font-size: 15px; line-height: 1.5; }

/* Mock panels (always labelled "Example" or "Illustration") */
.sv-mock { margin: 0; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow-lg); font-size: 15px; }
.sv-mock-head { display: flex; gap: 10px; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.sv-mock-head b { color: var(--ink); font-family: var(--display); font-size: 1.05em; letter-spacing: -.02em; }
.sv-mock-label { flex: none; padding: 3px 8px; border-radius: 6px; background: var(--bg-soft); color: var(--subtle); font-family: var(--mono); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; }
.sv-mock-foot { margin-top: 14px; color: var(--muted); font-family: var(--mono); font-size: 12.5px; }
.sv-tabs { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0; list-style: none; }
.sv-tabs li { display: inline-flex; gap: 9px; align-items: center; padding: 7px 11px; border: 1px solid var(--line); border-radius: 8px 8px 3px 3px; background: var(--bg-soft); color: var(--text); font-size: 13.5px; white-space: nowrap; }
.sv-tabs li i { color: var(--subtle); font-style: normal; }
.sv-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.sv-list li { padding: 9px 12px; border-radius: 10px; background: var(--bg-soft); color: var(--text); line-height: 1.45; }
.sv-progress { counter-reset: sv-stage; }
.sv-progress li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: center; counter-increment: sv-stage; }
.sv-progress li::before { content: counter(sv-stage); display: grid; width: 26px; height: 26px; place-items: center; border-radius: 50%; background: #fff; color: var(--muted); font-family: var(--mono); font-size: 12px; }
.sv-progress li.is-done::before { content: "✓"; background: var(--lime); color: var(--ink); }
.sv-progress li.is-now { outline: 2px solid var(--ink); background: #fff; }
.sv-progress li.is-now::before { background: var(--ink); color: var(--lime); }
.sv-chat { display: grid; gap: 8px; margin: 0; padding: 12px; border-radius: 14px; background: #e9eef1; list-style: none; }
.sv-chat li { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; max-width: 92%; padding: 9px 12px; border-radius: 12px 12px 12px 4px; background: #fff; box-shadow: 0 1px 1px rgba(11, 18, 21, .08); }
.sv-chat li b { grid-column: 1 / -1; color: var(--lime-deep); font-size: 12px; }
.sv-chat-bad li b { color: var(--red); }
.sv-chat li span { color: var(--text); line-height: 1.4; }
.sv-chat li time { align-self: end; color: var(--subtle); font-family: var(--mono); font-size: 11px; }
.sv-chat li.is-mine { justify-self: end; border-radius: 12px 12px 4px 12px; background: #e3f6cf; }
.sv-chat li.is-mine b { color: var(--muted); }
.sv-chat li.is-deleted span { color: var(--subtle); font-style: italic; }
.sv-quote { display: flex; gap: 12px; align-items: baseline; margin-bottom: 10px; }
.sv-quote b { color: var(--ink); font-family: var(--display); font-size: 24px; letter-spacing: -.03em; }
.sv-quote span { color: var(--green); font-family: var(--mono); font-size: 13px; }
.sv-lenses { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; }
.sv-lenses li { display: flex; gap: 14px; align-items: center; justify-content: space-between; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; }
.sv-lenses li > span { display: grid; }
.sv-lenses b { color: var(--ink); }
.sv-lenses small { color: var(--subtle); font-size: 12.5px; }
.sv-lenses em { flex: none; font-style: normal; font-weight: 700; }
.sv-table-wrap { overflow-x: auto; }
.sv-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.sv-table th { padding: 7px 8px; border-bottom: 1px solid var(--line); color: var(--subtle); font-size: 12px; font-weight: 600; text-align: start; white-space: nowrap; }
.sv-table td { padding: 9px 8px; border-bottom: 1px solid var(--line); color: var(--text); font-family: var(--mono); white-space: nowrap; }
.sv-table tr.is-flagged td { background: var(--red-soft); }
.sv-bars { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; }
.sv-bars li { display: grid; grid-template-columns: minmax(8em, 1.1fr) 2fr 4.5em; gap: 12px; align-items: center; color: var(--ink); }
.sv-bars li span { color: var(--text); font-size: 14px; }
.sv-bars li i { height: 12px; border-radius: 999px; background: var(--bg-soft); }
.sv-bars li s { display: block; width: var(--w); height: 100%; border-radius: inherit; background: var(--ink); text-decoration: none; }
.sv-bars li.sv-up s { background: var(--green-bright); }
.sv-bars li.sv-down s { background: var(--red); }
.sv-bars li.sv-flat s { background: #9aa6ad; }
.sv-bars li b { font-family: var(--mono); text-align: end; }
.sv-receipt { display: grid; margin: 0; font-family: var(--mono); font-size: 13.5px; }
.sv-receipt div { display: grid; grid-template-columns: 9em 1fr; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.sv-receipt dt { color: var(--subtle); }
.sv-receipt dd { margin: 0; color: var(--ink); }
.sv-grades { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; padding: 0; list-style: none; }
.sv-grades li { display: grid; gap: 2px; padding: 8px 12px; border-radius: 10px; background: var(--bg-soft); }
.sv-grades li b { color: var(--subtle); font-family: var(--mono); font-size: 11.5px; }
.sv-grades li span { font-weight: 700; }
.sv-check { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; }
.sv-check li { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: center; padding: 9px 12px; border-radius: 10px; background: var(--bg-soft); }
.sv-check li i { display: grid; width: 26px; height: 26px; place-items: center; border-radius: 50%; font-style: normal; font-weight: 800; }
.sv-check li.is-no i { background: var(--red-soft); color: var(--red); }
.sv-check li.is-ok i { background: var(--lime); color: var(--ink); }
.sv-check li span { color: var(--ink); font-weight: 600; }
.sv-check li em { color: var(--muted); font-size: 13px; font-style: normal; }

/* Hub: lifecycle map and problem cards */
.sv-hub { padding: 56px 0 88px; }
.sv-map { margin: 0 0 64px; padding: 32px; border-radius: 26px; background: #111b20; color: #c6d0d4; }
.sv-map figcaption h2 { color: #fff; font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -.03em; }
.sv-map figcaption p { max-width: 720px; margin-top: 8px; font-size: 16.5px; line-height: 1.6; }
.sv-map-stages { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin: 28px 0 0; padding: 0; list-style: none; }
.sv-map-foundations { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 12px 0 0; padding: 0; list-style: none; }
.sv-map-col { position: relative; display: grid; align-content: start; gap: 6px; padding: 18px 16px; border: 1px solid rgba(255, 255, 255, .1); border-radius: 16px; background: rgba(255, 255, 255, .04); }
.sv-map-stages > .sv-map-col:not(:last-child)::after { content: "→"; position: absolute; inset-inline-end: -11px; top: 18px; z-index: 1; color: var(--lime); font-weight: 800; }
.sv-map-foundations .sv-map-col { border-style: dashed; }
.sv-map-no { color: var(--lime); font-family: var(--mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
.sv-map-col > b { color: #fff; font-size: 18px; }
.sv-map-col > small { color: #94a3a9; font-size: 13.5px; line-height: 1.45; }
.sv-map-col ul { display: grid; gap: 6px; margin: 8px 0 0; padding: 0; list-style: none; }
.sv-map-col ul a { display: block; padding: 7px 10px; border-radius: 9px; background: rgba(196, 236, 129, .1); color: #e6edf0; font-size: 14px; font-weight: 600; }
.sv-map-col ul a:hover { background: var(--lime); color: var(--ink); }
.sv-group + .sv-group { margin-top: 56px; }
.sv-group-head { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: baseline; margin-bottom: 18px; }
.sv-group-head h2 { font-size: clamp(22px, 2.4vw, 30px); letter-spacing: -.03em; }
.sv-group-head p { color: var(--muted); font-size: 16px; }
.sv-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.sv-card { display: grid; align-content: start; gap: 14px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.sv-card:hover { transform: translateY(-3px); border-color: var(--line-strong); box-shadow: var(--shadow-md); }
.sv-card small { display: block; margin-bottom: 4px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; }
.sv-card-problem { color: var(--ink); font-size: 17px; font-weight: 650; line-height: 1.4; }
.sv-card-problem small { color: var(--red); }
.sv-card-solution { color: var(--text); font-size: 15px; line-height: 1.5; }
.sv-card-solution small { color: var(--lime-deep); }
.sv-card-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.sv-card-tags i { padding: 3px 9px; border-radius: 999px; background: var(--bg-soft); color: var(--muted); font-size: 12.5px; font-style: normal; }
.sv-card > b { color: var(--lime-deep); font-size: 14.5px; }

@media (max-width: 1024px) {
  .sv-ahead-grid, .sv-split, .sv-cta, .sv-lead { grid-template-columns: 1fr; }
  .sv-reading { grid-template-columns: 1fr; }
  .sv-glance { position: static; }
  .sv-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sv-map-stages { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sv-map-stages > .sv-map-col::after { display: none; }
  .sv-dark { margin-inline: 0; padding: 36px 24px; }
}
@media (max-width: 680px) {
  .sv-ahead { padding: 44px 0 40px; }
  .sv-body { padding-top: 40px; }
  .sv-intro { font-size: 18px; }
  .sv-toc ol { columns: 1; }
  .sv-prose p { font-size: 16.5px; }
  .sv-example th { width: 42%; padding: 12px 14px; }
  .sv-example td { padding: 12px 14px; }
  .sv-sec { margin-top: 56px; }
  .sv-why, .sv-features, .sv-limits, .sv-related > div, .sv-map-stages, .sv-map-foundations, .sv-cards { grid-template-columns: 1fr; }
  .sv-cta { padding: 28px 22px; }
  .sv-map { padding: 24px 18px; }
  .sv-bars li { grid-template-columns: 1fr 4.5em; }
  .sv-bars li i { grid-column: 1 / -1; grid-row: 2; }
  .sv-receipt div { grid-template-columns: 1fr; gap: 2px; }
  .sv-check li { grid-template-columns: 28px 1fr; }
  .sv-check li em { grid-column: 2; }
  .sv-mock { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .sv-card, .sv-related a { transition: none; }
}
@media print {
  .sv-related, .sv-cta .ob-actions { display: none; }
  .sv-dark, .sv-map { background: #fff; color: var(--text); }
  .sv-dark > h2, .sv-feature b, .sv-map figcaption h2, .sv-map-col > b { color: var(--ink); }
}