/* SparkForge SI draft: charcoal/navy shell, warm amber spark, ivory content panels, restrained blue secondary. */
:root {
  --shell: #141a24;        /* charcoal-navy page */
  --shell-2: #1b2331;      /* raised cards on shell */
  --shell-line: #2c3646;
  --on-shell: #eef1f5;
  --on-shell-muted: #b4bccb;
  --ivory: #f8f4ec;        /* reading panels */
  --ivory-line: #e4dccd;
  --ink: #1d1c1a;
  --ink-muted: #55514b;
  --amber: #f0a33a;        /* spark accent */
  --amber-ink: #1a1206;
  --amber-deep: #9a5a00;   /* amber text on ivory, AA */
  --blue: #8fb3ff;         /* secondary on shell */
  --blue-deep: #2f5bb7;    /* secondary on ivory */
  --ok: #7fd3a5;
  --radius: 14px;
  --max: 1080px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--shell); color: var(--on-shell); line-height: 1.6; font-size: 17px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.wrap.narrow { max-width: 760px; }
a { color: var(--blue); }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: 16px; top: -48px; background: var(--amber); color: var(--amber-ink); padding: 8px 14px; border-radius: 8px; font-weight: 700; z-index: 10; }
.skip:focus { top: 12px; }

.draft-banner { background: #3a2a10; color: #ffe3b8; text-align: center; font-size: 14px; padding: 8px 16px; }
.tbd { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .06em; color: var(--amber); border: 1px solid currentColor; border-radius: 6px; padding: 0 5px; vertical-align: middle; }
.panel .tbd { color: var(--amber-deep); }

.site-header { border-bottom: 1px solid var(--shell-line); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; min-height: 64px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--on-shell); text-decoration: none; font-weight: 650; font-size: 19px; }
.logo b { color: var(--amber); }
.spark { width: 13px; height: 13px; background: var(--amber); transform: rotate(45deg); border-radius: 3px; box-shadow: 0 0 14px rgba(240,163,58,.55); }
nav { display: flex; gap: 6px 18px; flex-wrap: wrap; }
nav a { color: var(--on-shell-muted); text-decoration: none; font-size: 15px; padding: 6px 2px; }
nav a:hover { color: var(--on-shell); }

.hero { padding: 72px 0 64px; }
.eyebrow { color: var(--amber); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; font-size: 13px; margin: 0 0 14px; }
h1 { font-size: clamp(34px, 6vw, 58px); line-height: 1.08; margin: 0 0 20px; max-width: 16ch; letter-spacing: -0.015em; }
h2 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.2; margin: 0 0 14px; }
h3 { margin: 0 0 6px; font-size: 19px; line-height: 1.3; }
.lede { font-size: clamp(18px, 2.2vw, 21px); color: var(--on-shell-muted); max-width: 52ch; margin: 0; }
.cta-row { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 20px; border-radius: 10px; text-decoration: none; font-weight: 650; min-height: 44px; }
.btn.primary { background: var(--amber); color: var(--amber-ink); }
.btn.ghost { border: 1px solid var(--shell-line); color: var(--on-shell); }
.btn.ghost:hover { border-color: var(--blue); }

.section { padding: 64px 0; }
.intro { font-size: 18px; max-width: 60ch; margin: 0 0 28px; }
.on-dark { color: var(--on-shell-muted); }

/* Ivory reading panels */
.panel { background: var(--ivory); color: var(--ink); }
.panel .intro, .panel p { color: var(--ink-muted); }
.panel h2, .panel h3 { color: var(--ink); }
.panel a { color: var(--blue-deep); }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.steps li { background: #fffdf8; border: 1px solid var(--ivory-line); border-radius: var(--radius); padding: 20px; }
.steps p { margin: 0; }
.step-n { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--amber); color: var(--amber-ink); font-weight: 800; font-size: 15px; margin-bottom: 10px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
@media (min-width: 1000px) { .cards.products { grid-template-columns: repeat(4, 1fr); } }
.card { background: var(--shell-2); border: 1px solid var(--shell-line); border-radius: var(--radius); padding: 22px; }
.card.dashed { border-style: dashed; }
.card p { margin: 0 0 10px; color: var(--on-shell-muted); }
.status { font-size: 12px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.card .status.pilot { color: var(--ok); }
.card .status.internal { color: var(--blue); }
.card .status.defining { color: var(--amber); }
.draft-note { font-size: 14px; font-style: italic; }

.principles { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px 28px; }
.principles li { border-left: 3px solid var(--amber); padding-left: 14px; }
.principles p { margin: 0; }

.placeholder-box { border: 2px dashed var(--ivory-line); border-radius: var(--radius); padding: 18px 20px; background: #fffdf8; }
.placeholder-box p { margin: 0; }

.site-footer { border-top: 1px solid var(--shell-line); padding: 28px 0; color: var(--on-shell-muted); font-size: 14px; }
@media (max-width: 560px) { .hero { padding: 48px 0 44px; } .section { padding: 48px 0; } }

/* Product story */
.story { font-size: clamp(26px, 4.4vw, 40px); font-weight: 750; letter-spacing: -0.01em; margin: 4px 0 12px; color: var(--on-shell); display: flex; align-items: center; flex-wrap: wrap; gap: 4px 14px; }
.story .dot { width: 9px; height: 9px; background: var(--amber); transform: rotate(45deg); border-radius: 2px; }
ol.cards { list-style: none; padding: 0; margin: 0; }
.stage { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--amber) !important; margin-bottom: 8px !important; }
.stage .step-n { margin: 0; width: 26px; height: 26px; font-size: 13px; }
.card .status.planned { color: var(--amber); }
.card .status { margin-top: 14px; }


/* Sparky: field-notes editorial direction. No external assets or scripts. */
:root{--shell:#17211f;--shell-2:#202d29;--shell-line:#3b4942;--on-shell:#f3f2e9;--on-shell-muted:#bec8c0;--ivory:#f0eee5;--ivory-line:#cecfc3;--ink:#1f2b25;--ink-muted:#4e5a51;--amber:#e5b867;--blue:#e5b867;--blue-deep:#4b644d;--radius:0px;--max:1240px}
body{font-size:16px}.wrap{padding-left:48px;padding-right:48px}.draft-banner{background:#dfb56b;color:#222a23;font:10px/1.5 ui-monospace,monospace;letter-spacing:.13em;padding:8px}.header-row{min-height:88px}.logo{font-size:21px;letter-spacing:-.04em}.spark{border-radius:0;box-shadow:none;width:12px;height:20px;transform:skew(-20deg)}nav{gap:26px}nav a{font-size:13px}.hero{padding:80px 0 86px}.hero .wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:64px;align-items:center}.eyebrow{font:11px/1.5 ui-monospace,monospace;letter-spacing:.1em;margin-bottom:28px}h1{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:clamp(44px,5.4vw,74px);line-height:1.01;letter-spacing:-.045em;max-width:12ch;margin-bottom:28px}.lede{font-size:17px;line-height:1.75;max-width:43ch}.cta-row{margin-top:32px;gap:22px;align-items:center}.btn{font-size:12px;letter-spacing:.015em;border-radius:0;padding:14px 18px}.btn.ghost{border:0;padding:12px 0;border-bottom:1px solid #7f8a7c;min-height:auto}.field-sheet{min-height:395px;border:1px solid #6f7d67;background:#27382e;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:23px;background-image:linear-gradient(#bdcba812 1px,transparent 1px),linear-gradient(90deg,#bdcba812 1px,transparent 1px);background-size:28px 28px}.sheet-top,.sheet-bottom{display:flex;justify-content:space-between;gap:12px;font:10px/1.8 ui-monospace,monospace;color:#ced1b6;z-index:1}.sheet-top{letter-spacing:.08em}.sheet-bottom{border-top:1px solid #7d89654f;padding-top:16px}.forge-mark{position:absolute;inset:72px 48px 82px;display:grid;grid-template-columns:1fr 1fr;gap:9px;transform:rotate(-8deg)}.forge-mark i{background:#e4b569}.forge-mark i:nth-child(1){clip-path:polygon(100% 0,100% 100%,0 100%)}.forge-mark i:nth-child(2){clip-path:polygon(0 0,100% 100%,0 100%);opacity:.78}.forge-mark i:nth-child(3){clip-path:polygon(0 0,100% 0,100% 100%);opacity:.6}.forge-mark i:nth-child(4){clip-path:polygon(0 0,100% 0,0 100%);opacity:.95}.section{padding:80px 0}h2{font-family:Georgia,serif;font-size:42px;letter-spacing:-.035em;font-weight:400;line-height:1.12;max-width:24ch;margin-bottom:20px}h3{font-size:18px;font-weight:550;letter-spacing:-.025em}.intro{font-size:16px;line-height:1.8;max-width:65ch;margin-bottom:40px}.steps{gap:0;grid-template-columns:repeat(4,1fr);border-top:1px solid #b9c0b0}.steps li{padding:26px 23px 0 0;border:0;background:none}.steps li+li{padding-left:23px;border-left:1px solid #d0d2c6}.step-n{font:11px ui-monospace,monospace;background:none;color:#68775e;place-items:start;width:auto;height:auto;margin-bottom:28px}.steps h3{font-size:22px;margin-bottom:12px}.steps p{font-size:14px;line-height:1.8}.cards.products{display:block;border-top:1px solid #526153}.card,.card.dashed{border:0;border-bottom:1px solid #526153;padding:26px 0;border-radius:0;background:none;display:grid;grid-template-columns:125px 175px 1fr 145px;column-gap:24px;align-items:baseline}.stage{font:10px/1.5 ui-monospace,monospace;letter-spacing:.04em}.stage .step-n{color:var(--amber);font:10px ui-monospace,monospace;width:auto;height:auto}.card h3{font-family:Georgia,serif;font-weight:400;font-size:29px}.card p{font-size:14px;line-height:1.8;margin:0}.card .status{font:10px/1.6 ui-monospace,monospace;letter-spacing:.03em;margin:0;text-align:right}.card .draft-note{grid-column:3 / 5;font-size:12px;margin-top:12px;color:#e5b867}.principles{grid-template-columns:1fr 1fr;gap:28px 64px}.principles li{border-left:0;border-top:1px solid #c2c8b8;padding:22px 0 0}.principles p{font-size:14px;line-height:1.8}.principles h3{margin-bottom:12px}.wrap.narrow{max-width:1240px;display:grid;grid-template-columns:1fr 1fr;gap:0 64px}.wrap.narrow h2{grid-row:1/3}.wrap.narrow p{margin-top:0}.placeholder-box{border:1px solid #c1c5b7;border-radius:0;background:none;font-size:13px}.site-footer{font:11px/1.8 ui-monospace,monospace}.tbd{font-size:9px;border-radius:0}.draft-note{font-style:normal}
@media(max-width:850px){.wrap{padding-left:28px;padding-right:28px}.hero .wrap{gap:30px}.field-sheet{min-height:340px;padding:18px}.forge-mark{inset:80px 28px}.card,.card.dashed{grid-template-columns:90px 135px 1fr;gap:12px}.card .status{grid-column:2;text-align:left;margin-top:8px}.card .draft-note{grid-column:3}.steps{grid-template-columns:1fr 1fr;gap:28px}.steps li+li{padding-left:0;border:0}.wrap.narrow{gap:0 30px}}
@media(max-width:560px){.wrap{padding-left:24px;padding-right:24px}.header-row{min-height:96px;padding-top:20px;padding-bottom:18px;gap:12px}.logo{font-size:20px}nav{gap:20px;width:100%}nav a{font-size:12px}.draft-banner{font-size:8px;padding:8px 10px}.hero{padding:40px 0 48px}.hero .wrap{grid-template-columns:1fr;gap:36px}h1{font-size:52px;max-width:12ch}.eyebrow{font-size:9px;margin-bottom:22px}.lede{font-size:16px}.cta-row{gap:17px}.btn{font-size:11px;padding:13px 14px}.field-sheet{min-height:300px}.forge-mark{inset:62px 65px 70px}.section{padding:50px 0}h2{font-size:34px}.intro{font-size:15px;margin-bottom:30px}.steps{gap:28px 22px}.steps li{padding:20px 0 0}.step-n{margin-bottom:15px}.steps h3{font-size:21px}.steps p{font-size:13px}.card,.card.dashed{grid-template-columns:1fr 1fr;gap:7px 12px;padding:24px 0}.card .stage{grid-column:1 / 3}.card h3{font-size:30px}.card>p:not(.stage):not(.status):not(.draft-note){grid-row:3;grid-column:1 / 3;font-size:14px;margin-top:8px}.card .status{grid-column:2;grid-row:2;text-align:right;font-size:9px}.card .draft-note{grid-column:1 / 3;font-size:11px}.principles{grid-template-columns:1fr;gap:20px}.wrap.narrow{display:block}.wrap.narrow h2{margin-bottom:24px}.sheet-top,.sheet-bottom{font-size:9px}}

/* ===== Forge implementation additions (2026-10-27) =====
   Everything above this line is Sparky's design study verbatim
   (SHA-256 f1f945d0...5fa35). Below: only what the six v2 pages need that
   the single-page study did not cover. Same tokens, same vocabulary. */
.story{font-family:Georgia,serif;font-weight:400;letter-spacing:-.03em}
.hero-copy .status-line{margin:22px 0 0;font:11px/1.7 ui-monospace,monospace;letter-spacing:.06em;color:var(--on-shell-muted)}
.hero-copy .status-line b{color:var(--amber);font-weight:600}
.steps.six{grid-template-columns:repeat(3,1fr);row-gap:36px}
.steps.six li:nth-child(3n+1){padding-left:0;border-left:0}
.wrap.narrow>.body>:first-child{margin-top:0}
.body ul{margin:0 0 22px;padding-left:18px;line-height:1.8;font-size:15px}
.body h3{margin-top:4px}
.section:not(.panel) .body p{color:var(--on-shell-muted)}
.more-link{margin:36px 0 0;font:12px/1.6 ui-monospace,monospace;letter-spacing:.04em}
@media(max-width:850px){.steps.six{grid-template-columns:1fr 1fr}.steps.six li:nth-child(3n+1){padding-left:0}}
@media(max-width:560px){.steps.six{grid-template-columns:1fr}}
/* Contrast: the study's .step-n #68775e measured 4.12:1 on ivory (11px text);
   darkened one step in the same hue to pass AA. */
.panel .step-n{color:#5b6952}
/* Product names link to their pages; keep the study's unlinked look, underline on hover/focus only. */
.card h3 a{color:inherit;text-decoration:none}
.card h3 a:hover,.card h3 a:focus-visible{text-decoration:underline;text-underline-offset:4px}