/* ===========================================================================
   appsite.css — per-app marketing sites (Option B).
   One shared pattern (.appsite / .as-*), styled by per-app scoped design tokens
   (.appsite[data-app="<slug>"]). Token values are derived from each product
   repo's design/brand.tokens.json; see docs/app-marketing-sites-plan.md.
   Follow-up: generate the [data-app] scopes from brand.tokens.json in the pipeline.
   =========================================================================== */

/* ---- per-brand token scopes (light) ---- */
.appsite[data-app="tractterm"]{--brand:#553899;--brand-strong:#452a79;--brand-deep:#24183a;--brand-50:#f5f4fb;--brand-100:#ebe8f7;--brand-300:#b5a6de;--on-brand:#fff;--ink:#242424;--ink-2:#525252;--muted:#707070;--line:#e6e6e6;--page:#fafafa;--card:#fff;--sunken:#f2f2f2;--r-card:4px;--r-btn:4px;--r-pill:4px;--serif:'Source Serif 4',Georgia,'Times New Roman',serif;--sans:'Source Sans 3',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace}
.appsite[data-app="atlasafe"]{--brand:#1156b0;--brand-strong:#0b428e;--brand-deep:#0c2345;--brand-50:#ecf5fd;--brand-100:#daebfb;--brand-300:#84b8eb;--on-brand:#fff;--ink:#1d232a;--ink-2:#48505b;--muted:#606976;--line:#e2e5e9;--page:#f9fafb;--card:#fff;--sunken:#f2f3f5;--r-card:8px;--r-btn:6px;--r-pill:999px;--serif:'Source Serif 4',Georgia,'Times New Roman',serif;--sans:'Source Sans 3',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace}
.appsite[data-app="certfleet"]{--brand:#4f46e5;--brand-strong:#4338ca;--brand-deep:#312e81;--brand-50:#eef2ff;--brand-100:#e0e7ff;--brand-300:#a5b4fc;--on-brand:#fff;--ink:#111827;--ink-2:#374151;--muted:#4b5563;--line:#e5e7eb;--page:#f9fafb;--card:#fff;--sunken:#f3f4f6;--r-card:12px;--r-btn:8px;--r-pill:999px;--serif:'Inter',system-ui,-apple-system,sans-serif;--sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace}
.appsite[data-app="warrantytrail"]{--brand:#0f766e;--brand-strong:#0c5f58;--brand-deep:#06322e;--brand-50:#e9f7f5;--brand-100:#c9ebe7;--brand-300:#6cc4ba;--on-brand:#fff;--ink:#1f2933;--ink-2:#3e4c59;--muted:#52606d;--line:#dfe3e8;--page:#f4f6f8;--card:#fff;--sunken:#eef1f4;--r-card:12px;--r-btn:8px;--r-pill:999px;--serif:'Segoe UI',system-ui,sans-serif;--sans:'Segoe UI',system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace}
.appsite[data-app="plotslate"]{--brand:#4a7734;--brand-strong:#365824;--brand-deep:#131e0e;--brand-50:#f7faf5;--brand-100:#edf6e9;--brand-300:#a9cf97;--on-brand:#fff;--ink:#242424;--ink-2:#525252;--muted:#707070;--line:#e6e6e6;--page:#fafafa;--card:#fff;--sunken:#f2f2f2;--r-card:4px;--r-btn:4px;--r-pill:4px;--serif:'Source Serif 4',Georgia,'Times New Roman',serif;--sans:'Source Sans 3',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace}
.appsite[data-app="certequip"]{--brand:#9d602a;--brand-strong:#814e22;--brand-deep:#4d2f14;--brand-50:#fbf4ef;--brand-100:#f5e7db;--brand-300:#e0b28a;--on-brand:#fff;--ink:#262626;--ink-2:#3b3b3b;--muted:#525252;--line:#e6e6e6;--page:#f9f9f9;--card:#fff;--sunken:#f2f2f2;--r-card:6px;--r-btn:4px;--r-pill:9999px;--serif:'Libre Franklin',system-ui,-apple-system,sans-serif;--sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace}

/* ---- dark scopes ---- */
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  .appsite[data-app="tractterm"]{--page:#171717;--card:#242424;--sunken:#1f1f1f;--ink:#fafafa;--ink-2:#d1d1d1;--muted:#b3b3b3;--line:#383838;--brand:#927bcc;--brand-300:#6d4eb7;--brand-50:#24183a;--brand-100:#2c2150}
  .appsite[data-app="atlasafe"]{--page:#0e1116;--card:#1d232a;--sunken:#151a1f;--ink:#f9fafb;--ink-2:#ccd0d7;--muted:#a5acb6;--line:#303740;--brand:#5294e0;--brand-300:#1f71d6;--brand-50:#0c2345;--brand-100:#0c316a}
  .appsite[data-app="certfleet"]{--page:#0b0f1a;--card:#111827;--sunken:#0b1220;--ink:#f9fafb;--ink-2:#d1d5db;--muted:#9ca3af;--line:#1f2937;--brand:#818cf8;--brand-300:#6366f1;--brand-50:#1e1b4b;--brand-100:#312e81}
  .appsite[data-app="warrantytrail"]{--page:#0b1211;--card:#10201d;--sunken:#0a1917;--ink:#f4f6f8;--ink-2:#c7d0d6;--muted:#9aa5b1;--line:#1f3a36;--brand:#3ba99c;--brand-300:#149286;--brand-50:#06322e;--brand-100:#094943}
  .appsite[data-app="plotslate"]{--page:#141613;--card:#20241c;--sunken:#181c15;--ink:#fafafa;--ink-2:#d1d1d1;--muted:#b3b3b3;--line:#33372e;--brand:#8fbf74;--brand-300:#6f9e56;--brand-50:#1e2915;--brand-100:#365824}
  .appsite[data-app="certequip"]{--page:#141414;--card:#262626;--sunken:#1f1f1f;--ink:#fafafa;--ink-2:#d1d1d1;--muted:#b3b3b3;--line:#383838;--brand:#d3925a;--brand-300:#c17633;--brand-50:#4d2f14;--brand-100:#69401c}
}}
:root[data-theme="dark"] .appsite[data-app="tractterm"]{--page:#171717;--card:#242424;--sunken:#1f1f1f;--ink:#fafafa;--ink-2:#d1d1d1;--muted:#b3b3b3;--line:#383838;--brand:#927bcc;--brand-300:#6d4eb7;--brand-50:#24183a;--brand-100:#2c2150}
:root[data-theme="dark"] .appsite[data-app="atlasafe"]{--page:#0e1116;--card:#1d232a;--sunken:#151a1f;--ink:#f9fafb;--ink-2:#ccd0d7;--muted:#a5acb6;--line:#303740;--brand:#5294e0;--brand-300:#1f71d6;--brand-50:#0c2345;--brand-100:#0c316a}
:root[data-theme="dark"] .appsite[data-app="certfleet"]{--page:#0b0f1a;--card:#111827;--sunken:#0b1220;--ink:#f9fafb;--ink-2:#d1d5db;--muted:#9ca3af;--line:#1f2937;--brand:#818cf8;--brand-300:#6366f1;--brand-50:#1e1b4b;--brand-100:#312e81}
:root[data-theme="dark"] .appsite[data-app="warrantytrail"]{--page:#0b1211;--card:#10201d;--sunken:#0a1917;--ink:#f4f6f8;--ink-2:#c7d0d6;--muted:#9aa5b1;--line:#1f3a36;--brand:#3ba99c;--brand-300:#149286;--brand-50:#06322e;--brand-100:#094943}
:root[data-theme="dark"] .appsite[data-app="plotslate"]{--page:#141613;--card:#20241c;--sunken:#181c15;--ink:#fafafa;--ink-2:#d1d1d1;--muted:#b3b3b3;--line:#33372e;--brand:#8fbf74;--brand-300:#6f9e56;--brand-50:#1e2915;--brand-100:#365824}
:root[data-theme="dark"] .appsite[data-app="certequip"]{--page:#141414;--card:#262626;--sunken:#1f1f1f;--ink:#fafafa;--ink-2:#d1d1d1;--muted:#b3b3b3;--line:#383838;--brand:#d3925a;--brand-300:#c17633;--brand-50:#4d2f14;--brand-100:#69401c}

/* ---- shared shell + pattern ---- */
.appsite{background:var(--page);color:var(--ink);font-family:var(--sans);line-height:1.6}
.appsite h1,.appsite h2,.appsite h3{font-family:var(--serif);line-height:1.16;margin:0;color:var(--ink)}
.appsite p{margin:0}
.appsite a{color:var(--brand);text-decoration:none}
.as-wrap{max-width:1060px;margin:0 auto;padding:0 32px}

.as-flow{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:var(--sunken);border-bottom:1px solid var(--line);padding:8px 32px;font-size:12.5px;color:var(--muted)}
.as-flow a.back{color:var(--ink-2);font-weight:600}
.as-flow .url{font-family:var(--mono);font-size:12px;color:var(--brand)}

.as-header{border-bottom:1px solid var(--line);background:var(--card)}
.as-header .as-wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.as-brand{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-weight:700;font-size:19px;color:var(--ink)}
.as-glyph{width:26px;height:26px;display:grid;place-items:center;color:var(--on-brand);background:var(--brand);font-family:var(--sans);font-weight:700;font-size:13px;border-radius:var(--r-btn)}
.as-nav{display:flex;gap:8px;margin-left:auto}
.as-nav a{font-size:14.5px;color:var(--ink-2);padding:8px 12px;border-radius:var(--r-btn)}
.as-nav a:hover{color:var(--ink)}
.as-nav a.current{color:var(--brand);font-weight:600}
/* Buttons are <a> elements, so these must out-specify the `.appsite a` link-color rule above
   (which is (0,1,1)); the `.appsite`-prefixed selectors are (0,2,0) and win in both themes. */
.appsite .as-btn{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:14px;padding:10px 18px;border-radius:var(--r-btn);border:1px solid transparent;transition:.15s;cursor:pointer;text-decoration:none}
.appsite .as-btn-primary{background:var(--brand);color:var(--on-brand)}
.appsite .as-btn-primary:hover{background:var(--brand-strong);color:var(--on-brand);text-decoration:none}
.appsite .as-btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.appsite .as-btn-ghost:hover{border-color:var(--brand);text-decoration:none}

.as-eyebrow{font-size:12px;font-weight:700;margin:0 0 15px;font-family:var(--sans);letter-spacing:.15em;text-transform:uppercase;color:var(--brand)}
.appsite[data-app="tractterm"] .as-eyebrow{font-family:var(--mono);letter-spacing:.12em}

.as-section{padding:60px 0}
.as-section.tight{padding:44px 0}
.as-section.surface{background:var(--sunken);border-block:1px solid var(--line)}

.as-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.as-hero-copy{min-width:0}
.as-hero-visual{color:var(--brand);min-width:0}
.as-hero-visual svg{display:block;width:100%;height:auto;max-width:460px;margin-left:auto}
.appsite[data-app="tractterm"] .as-hero-visual,.appsite[data-app="plotslate"] .as-hero-visual{color:var(--brand-300)}
.as-hero h1{font-size:clamp(2rem,4.4vw,3rem);letter-spacing:-.01em;margin:0 0 18px}
.as-hero .as-lede{font-size:18.5px;max-width:60ch;margin-bottom:28px;color:var(--ink-2)}
.as-cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.as-note{font-size:13px;color:var(--muted);margin-top:15px}
.appsite[data-app="atlasafe"] .as-hero,.appsite[data-app="certfleet"] .as-hero,.appsite[data-app="warrantytrail"] .as-hero,.appsite[data-app="certequip"] .as-hero{background:linear-gradient(180deg,var(--brand-50),var(--page));border-bottom:1px solid var(--line)}
.appsite[data-app="tractterm"] .as-hero,.appsite[data-app="plotslate"] .as-hero{background:var(--brand-deep);border-bottom:1px solid var(--brand-strong)}
.appsite[data-app="tractterm"] .as-hero h1,.appsite[data-app="plotslate"] .as-hero h1{color:#fff}
.appsite[data-app="tractterm"] .as-hero .as-eyebrow,.appsite[data-app="plotslate"] .as-hero .as-eyebrow{color:var(--brand-300)}
.appsite[data-app="tractterm"] .as-hero .as-lede,.appsite[data-app="plotslate"] .as-hero .as-lede{color:rgba(255,255,255,.82)}
.appsite[data-app="tractterm"] .as-hero .as-note,.appsite[data-app="plotslate"] .as-hero .as-note{color:rgba(255,255,255,.6)}
.appsite[data-app="tractterm"] .as-hero .as-btn-ghost,.appsite[data-app="plotslate"] .as-hero .as-btn-ghost{color:#fff;border-color:rgba(255,255,255,.35)}

.as-takeaways{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.as-tk{display:flex;gap:13px;align-items:flex-start;background:var(--card);border:1px solid var(--line);padding:18px 20px;border-radius:var(--r-card)}
.as-tk .mk{flex:none;width:24px;height:24px;display:grid;place-items:center;font-family:var(--mono);font-size:11px;font-weight:700;color:var(--brand);background:var(--brand-50);border-radius:var(--r-pill)}
.as-tk p{font-size:14.5px;color:var(--ink-2)}

.as-sectionhead{margin-bottom:34px;max-width:60ch}
.as-sectionhead h1,.as-sectionhead h2{font-size:clamp(1.5rem,3vw,2.05rem);letter-spacing:-.01em}
.as-sectionhead p{color:var(--muted);margin-top:11px;font-size:16px}
/* narrative section with a graphic on the left, paragraph text on the right */
.as-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center}
/* lower narrative section: paragraph left, graphic right */
.as-split-right{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.as-side-visual{color:var(--brand);min-width:0}
.as-side-visual svg{display:block;width:100%;height:auto;max-width:420px}
.as-split .as-prose,.as-split-right .as-prose{margin:0}

.as-prose{max-width:68ch;color:var(--ink-2);font-size:16px}
.as-prose h2{font-size:clamp(1.4rem,2.6vw,1.85rem);margin:0 0 14px;color:var(--ink)}
.as-prose p{margin:0 0 14px}
.as-prose a{color:var(--brand)}

.as-fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.as-fcard{background:var(--card);border:1px solid var(--line);padding:24px;border-radius:var(--r-card)}
.appsite[data-app="tractterm"] .as-fcard,.appsite[data-app="certfleet"] .as-fcard{box-shadow:0 1px 2px rgba(10,10,10,.05)}
.as-fcard .fi{width:40px;height:40px;display:grid;place-items:center;margin-bottom:15px;color:var(--brand);background:var(--brand-50);border-radius:var(--r-btn);font-size:18px}
.as-fcard h3{font-size:16.5px;margin-bottom:8px}
.as-fcard p{font-size:14px;color:var(--ink-2)}

.as-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.as-tier{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;display:flex;flex-direction:column;gap:6px}
.as-tier.feat{border-color:var(--brand);border-width:2px}
.as-tier .tn{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.as-tier .tp{font-family:var(--serif);font-size:2.3rem;color:var(--ink);line-height:1.1;margin-top:4px}
.as-tier .tp span{font-size:.95rem;color:var(--muted);font-family:var(--sans)}
.as-tier .ta{font-size:12.5px;color:var(--muted)}
.as-tier .tl{font-size:13.5px;color:var(--brand);font-weight:600;margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}
.as-tier .tb{font-size:13.5px;color:var(--ink-2);margin-top:8px}
.as-tier .as-btn{margin-top:16px;justify-content:center}
.as-pricenote{margin-top:22px;font-size:13.5px;color:var(--muted);text-align:center}
.as-cs-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:44px 32px;text-align:center;max-width:640px;margin:0 auto}
.as-cs-panel p{font-size:16.5px;color:var(--ink-2);max-width:52ch;margin:0 auto 24px}
/* Article mid-body CTA panel: extra vertical breathing room, on top of the base panel's own
   horizontal centering (kept, not replaced). */
.as-cs-panel-article{margin:32px auto}
/* Related-articles header inside an article: padding-top, not margin-top, so the gap above it can
   never collapse with the CTA panel's own margin (see the call site's comment). */
.as-related-head{padding-top:48px}

.as-faq{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--card);max-width:820px}
.as-faq details+details{border-top:1px solid var(--line)}
.as-faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;font-size:15.5px;font-family:var(--serif);display:flex;justify-content:space-between;gap:16px;align-items:center;color:var(--ink)}
.as-faq summary::-webkit-details-marker{display:none}
.as-faq summary::after{content:"+";color:var(--brand);font-size:20px;font-family:var(--sans)}
.as-faq details[open] summary::after{content:"\2212"}
.as-faq .a{padding:0 22px 20px;color:var(--ink-2);font-size:14.5px;max-width:72ch}

.as-artlist{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.as-art{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px}
.as-art:hover{border-color:var(--brand);text-decoration:none}
.as-art-thumb{display:block;width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:calc(var(--r-card) - 6px);margin-bottom:14px}
.as-article-hero-image{border-radius:var(--r-card);margin-bottom:24px}
.as-art .ak{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--brand);font-weight:700}
.as-art h3{font-size:17px;margin:8px 0;line-height:1.3}
.as-art p{font-size:14px;color:var(--ink-2)}
.as-art .ad{font-size:12.5px;color:var(--muted);margin-top:12px}
.as-emptynote{background:var(--sunken);border:1px dashed var(--line);border-radius:var(--r-card);padding:26px;color:var(--muted);font-size:14.5px;text-align:center}

.as-ctaband{text-align:center}
.appsite[data-app="tractterm"] .as-ctaband,.appsite[data-app="plotslate"] .as-ctaband{background:var(--brand-deep)}
.appsite[data-app="atlasafe"] .as-ctaband,.appsite[data-app="certfleet"] .as-ctaband,.appsite[data-app="warrantytrail"] .as-ctaband,.appsite[data-app="certequip"] .as-ctaband{background:var(--brand)}
.as-ctaband h2{color:#fff;font-size:clamp(1.5rem,3vw,2.15rem);margin-bottom:22px;letter-spacing:-.01em}
.as-ctaband .as-btn-primary{background:#fff;color:var(--brand-strong)}

.as-footer{background:var(--card);border-top:1px solid var(--line);padding:32px 0;font-size:13.5px;color:var(--muted)}
.as-footer .as-wrap{display:flex;justify-content:space-between;gap:18px 30px;flex-wrap:wrap;align-items:center}
.as-footer a{color:var(--ink-2)}
.as-footer .fl{display:flex;gap:20px;flex-wrap:wrap}

/* article detail (re-skinned into the app brand) */
.as-article{max-width:760px;margin:0 auto}
.as-articlehead{margin-bottom:28px}
.as-articlehead h1{font-size:clamp(1.9rem,3.5vw,2.6rem);letter-spacing:-.01em;margin:8px 0}
.as-articlehead .as-eyebrow{margin-bottom:10px}
.as-date{font-size:13px;color:var(--muted)}
.as-article .as-prose{max-width:none;margin:20px 0}
.as-article .as-faq{margin:24px 0}
.as-capsule{background:var(--sunken);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;margin:24px 0}
.as-capsule h2{font-size:13px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:12px}
.as-capsule ul{margin:0;padding-left:20px;display:grid;gap:8px;color:var(--ink-2);font-size:15px}
.as-article .as-artlist{grid-template-columns:repeat(2,1fr)}

.as-notfound{padding:100px 0;text-align:center}
.as-notfound h1{font-size:2rem;margin-bottom:12px}

@media (max-width:880px){
  .as-hero-grid{grid-template-columns:1fr;gap:28px}.as-hero-visual svg{max-width:360px;margin:0 auto}
  .as-split{grid-template-columns:1fr;gap:28px}.as-split .as-side-visual{order:2}
  .as-split-right{grid-template-columns:1fr;gap:28px}
  .as-side-visual svg{max-width:360px;margin:0 auto}
}
@media (max-width:820px){.as-fgrid,.as-tiers,.as-takeaways,.as-artlist{grid-template-columns:1fr}.as-nav{display:none}}
@media (max-width:560px){.as-hero-visual,.as-side-visual{display:none}}