/* crucibl.tech v2 — one stylesheet, no framework.
   Contrast (WCAG 2.2 AA), measured 2026-10-15:
   navy #1a1a2e on paper #f7f5f2 15.67:1 · ink-2 #5f5f6b on paper 5.79:1
   ember #b8461c on paper 4.91:1 (text on light) · flame #ff6b35 on navy 6.02:1 (accent on dark only)
   navy text on flame buttons 6.02:1. Never flame text on light. */

@font-face{font-family:"Space Grotesk";src:url(/fonts/spacegrotesk.woff2) format("woff2");font-weight:300 700;font-display:swap}
@font-face{font-family:"DM Sans";src:url(/fonts/dmsans.woff2) format("woff2");font-weight:100 1000;font-style:normal;font-display:swap}
@font-face{font-family:"DM Sans";src:url(/fonts/dmsans-italic.woff2) format("woff2");font-weight:100 1000;font-style:italic;font-display:swap}

:root{
  --navy:#1a1a2e; --navy-2:#0f0f1e; --paper:#f7f5f2; --white:#ffffff;
  --ink:#1a1a2e; --ink-2:#5f5f6b; --line:#dcd7d0;
  --flame:#ff6b35; --ember:#b8461c;
  --on-navy:#ffffff; --on-navy-2:#c8c8d4;
  --cell-a:#f1e3dc; --cell-b:#e9e7e3; --cell-c:#e3ecf3; --cell-d:#1a1a2e;
  --radius:10px; --wrap:1120px;
  --h:"Space Grotesk",system-ui,sans-serif; --b:"DM Sans",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--b);font-size:1.0625rem;line-height:1.6}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--ember);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--flame);outline-offset:3px;border-radius:4px}
.on-dark :focus-visible,.site-header :focus-visible{outline-color:var(--flame)}
h1,h2,h3,h4{font-family:var(--h);line-height:1.15;margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.55rem,3vw,2.25rem);font-weight:700}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.skip{position:absolute;left:-999px;top:8px;background:var(--flame);color:var(--navy);padding:10px 14px;font-weight:600;z-index:100;border-radius:6px}
.skip:focus{left:8px}
.eyebrow{font-family:var(--h);font-weight:500;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin-bottom:.9em}
.on-dark .eyebrow{color:var(--on-navy-2)}
.lede{font-size:1.2rem;color:var(--ink-2);max-width:62ch}
.on-dark .lede{color:var(--on-navy-2)}
.small{font-size:.9rem;color:var(--ink-2)}
.on-dark .small{color:var(--on-navy-2)}
.src{font-size:.82rem;color:var(--ink-2);font-style:italic}
.on-dark .src{color:var(--on-navy-2)}

/* bracket = unfilled placeholder. Visible on staging; the build refuses to ship if any remain. */
.tbd{background:#fff3c4;color:#5a4300;border:1px dashed #b38600;padding:0 .3em;border-radius:3px;font-style:normal}

/* Header */
.site-header{background:var(--navy);color:var(--on-navy);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--white);text-decoration:none;font-family:var(--h);font-weight:700;font-size:1.35rem;letter-spacing:-.01em}
.brand img{width:36px;height:24px}
.brand span{color:var(--flame)}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav ul{list-style:none;display:flex;gap:4px;margin:0;padding:0}
.nav a{color:var(--on-navy);text-decoration:none;padding:10px 12px;border-radius:6px;font-weight:500;display:block}
.nav a:hover,.nav a[aria-current=page]{background:rgba(255,255,255,.08)}
.nav a[aria-current=page]{box-shadow:inset 0 -2px 0 var(--flame)}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:6px;padding:8px 12px;font:inherit;cursor:pointer;min-height:44px}
@media (max-width:920px){
  .menu-btn{display:block;margin-left:auto}
  .nav{margin-left:0}
  .nav ul{display:none;position:absolute;left:0;right:0;top:64px;background:var(--navy);flex-direction:column;padding:8px 20px 16px;border-top:1px solid rgba(255,255,255,.12)}
  .nav ul.open{display:flex}
  .nav a{padding:12px 8px}
  .nav .btn{padding:10px 14px;font-size:.92rem}
}

/* Buttons: navy on flame (6.02:1) or white on navy (17.06:1). Targets ≥ 44px. */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--h);font-weight:700;font-size:1.02rem;text-decoration:none;border-radius:8px;padding:13px 22px;min-height:44px;border:2px solid transparent;cursor:pointer;line-height:1.2}
.btn-flame{background:var(--flame);color:var(--navy)}
.btn-flame:hover{background:#ff834f;color:var(--navy)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:#2a2a48;color:#fff}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--navy)}
.on-dark .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:1.4em 0 .8em}

/* Sections */
section{padding:72px 0}
.on-dark{background:var(--navy);color:var(--on-navy)}
.on-dark a:not(.btn){color:#ffb08f}
.deep{background:var(--navy-2)}
.band-white{background:var(--white)}
.hero{padding:76px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center}
.hero h1 .accent{color:var(--flame)}
.hero figure{margin:0}
.hero img.portrait{border-radius:14px;aspect-ratio:2/3;object-fit:cover;width:100%;max-width:340px;margin-left:auto}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero img.portrait{max-width:220px;margin:0}}
.privacy-note{font-size:.92rem;color:var(--on-navy-2);margin-top:.4em}
.privacy-note strong{color:#fff}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:960px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.grid-3,.grid-2,.grid-4{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin-bottom:.4em}
.card .more{font-weight:600}
.beat{border-top:3px solid var(--ember);padding-top:16px}
.beat h3{font-size:1.15rem}
.quote{font-family:var(--h);font-size:clamp(1.3rem,2.4vw,1.75rem);font-weight:500;line-height:1.35;border-left:4px solid var(--flame);padding-left:20px;margin:1.2em 0}
.on-dark .quote{color:#fff}
.stat-strip{display:flex;flex-wrap:wrap;gap:12px 28px;list-style:none;padding:0;margin:0}
.stat-strip li{font-size:.95rem;color:var(--ink-2)}
.stat-strip strong{color:var(--ink);font-family:var(--h)}

.figure{margin:28px 0}
.figure figcaption{font-size:.92rem;color:var(--ink-2);margin-top:10px}
details.text-eq{margin-top:10px;font-size:.95rem}
details.text-eq summary{cursor:pointer;color:var(--ember);font-weight:600;min-height:24px}

table{border-collapse:collapse;width:100%;font-size:.98rem;background:var(--white)}
th,td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
th{font-family:var(--h);background:#efece7}
caption{caption-side:bottom;text-align:left;font-size:.9rem;color:var(--ink-2);padding-top:8px}

.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:14px}
.steps li{counter-increment:s;position:relative;padding:4px 0 4px 52px;min-height:40px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--h);font-weight:700;display:grid;place-items:center}
.on-dark .steps li::before{background:var(--flame);color:var(--navy)}

.cta-band{text-align:left}
.cta-band h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.cta-band .lede{max-width:56ch}

/* Forms */
form.stack{display:grid;gap:14px;max-width:520px}
label{font-weight:600;display:block;margin-bottom:4px}
.hint{font-weight:400;color:var(--ink-2);font-size:.9rem}
.on-dark .hint{color:var(--on-navy-2)}
input[type=email],input[type=text],select,textarea{width:100%;font:inherit;padding:12px 14px;border:1.5px solid #8a8794;border-radius:8px;background:#fff;color:var(--ink);min-height:44px}
textarea{min-height:140px}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400}
.check input{width:22px;height:22px;margin-top:2px;flex:none;accent-color:var(--ember)}
.hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.form-error{color:#9b1c1c;font-weight:600}

/* Footer */
.site-footer{background:var(--navy-2);color:var(--on-navy-2);padding:48px 0 36px;font-size:.95rem}
.site-footer a{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.tagline{font-family:var(--h);color:#fff;font-size:1.15rem;margin:.6em 0}
.legal{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;font-size:.88rem}

/* Video: click-to-play, no YouTube request until the click */
.yt{position:relative;display:block;aspect-ratio:16/9;background:#000 center/cover no-repeat;border-radius:var(--radius);overflow:hidden;border:0;padding:0;width:100%;cursor:pointer;color:#fff}
.yt span{position:absolute;inset:auto 16px 16px 16px;font-family:var(--h);font-weight:700;background:rgba(15,15,30,.85);padding:10px 14px;border-radius:8px;text-align:left}

.toc{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:1.2em 0 0}
.toc a{display:inline-block;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;font-size:.92rem;color:var(--ink)}
.anchor{scroll-margin-top:84px}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
@media print{.site-header,.site-footer,.cta-band{display:none}}

/* fixes from QA 2026-10-15 */
.nav a.btn-flame,.site-footer a.btn-flame{color:var(--navy)}
.nav a.btn-flame:hover{background:#ff834f}
.on-dark .toc a{color:var(--ink)}
.on-dark .card{color:var(--ink)}
.on-dark .card .hint,.on-dark .card .small{color:var(--ink-2)}
.on-dark .card a:not(.btn){color:var(--ember)}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:520px){th,td{padding:9px 10px;font-size:.92rem}}
.header-cta{display:none}
@media (max-width:920px){
  .header-cta{display:block;margin-left:auto}
  .header-cta .btn{padding:8px 12px;font-size:.9rem;min-height:40px}
  .menu-btn{margin-left:8px}
  .nav-cta{display:none}
  .hero img.portrait{max-width:150px}
}
@media (max-width:920px){
  .site-header .wrap{gap:8px;padding:0 14px}
  .site-header .brand{font-size:1.15rem;gap:6px}
  .site-header .brand img{width:30px;height:20px}
  .header-cta .btn{white-space:nowrap;padding:8px 10px}
  .menu-btn{padding:8px 10px}
}

.form-done{font-family:var(--h);font-weight:500;font-size:1.1rem;background:var(--white);border:1px solid var(--line);border-left:4px solid var(--ember);border-radius:var(--radius);padding:20px}

/* AI-Proof nav submenu (2026-10-19) */
.nav .has-sub{position:relative;display:flex;align-items:center}
.nav .sub-btn{background:none;border:0;color:var(--on-navy);padding:10px 4px;min-width:28px;min-height:40px;margin-left:-6px;cursor:pointer;font:inherit;border-radius:6px}
.nav .sub-btn:hover{background:rgba(255,255,255,.08)}
.nav .sub{display:none;position:absolute;top:100%;left:0;min-width:220px;background:var(--navy);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:8px;flex-direction:column;gap:2px;z-index:60;box-shadow:0 10px 30px rgba(0,0,0,.35)}
@media (min-width:921px){.nav .has-sub:hover .sub,.nav .has-sub:focus-within .sub,.nav .has-sub.sub-open .sub{display:flex}}
@media (max-width:920px){
  .nav .has-sub{flex-wrap:wrap}
  .nav .sub-btn{display:none}
  .nav .sub{display:flex;position:static;border:0;box-shadow:none;background:none;padding:0 0 4px 16px;min-width:0;width:100%;flex-basis:100%}
  .nav .sub a{padding:8px;font-size:.95rem;color:var(--on-navy-2)}
}
.site-footer .footer-h{margin:0 0 8px;font-family:var(--h);font-weight:700}
.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}
.product-cards .card{display:flex;flex-direction:column}
.product-cards .card-cta{margin-top:auto;padding-top:8px}
.purchase-note{font-weight:600;color:var(--ink)}
.on-dark .purchase-note{color:#fff}