/* ============================================================
   WhizzStep Design Tokens — V40 visual system
   ============================================================ */
:root{
  --wz-ink:#0E1430;
  --wz-ink-2:#222946;
  --wz-paper:#FAF8F4;
  --wz-paper-deep:#F0EADF;
  --wz-surface:#FFFFFF;
  --wz-line:#D8CFBD;

  --wz-cobalt:#1E3FE0;
  --wz-cobalt-bright:#3158FF;
  --wz-teal:#00BFA6;
  --wz-teal-bright:#00D4B8;
  --wz-purple:#7B1FA2;
  --wz-magenta:#E91E63;
  --wz-gold:#D9A62E;

  --wz-blue-tint:#E6ECFF;
  --wz-teal-tint:#DCEFE9;
  --wz-purple-tint:#E8DFFF;
  --wz-magenta-tint:#FCE8F0;
  --wz-orange-tint:#FBE8DD;

  --wz-shadow-sm:0 8px 24px rgba(14,20,48,.08);
  --wz-shadow-md:0 18px 50px rgba(14,20,48,.14);
  --wz-shadow-lg:0 30px 80px rgba(14,20,48,.20);

  --radius-sm:10px;
  --radius-md:18px;
  --radius-lg:28px;

  --wz-mono:'JetBrains Mono',monospace;
  --wz-serif:'Space Grotesk',sans-serif;
  --wz-serif-editorial:'Fraunces',serif;
  --wz-sans:'Inter',system-ui,sans-serif;

  --wz-text-strong:#0A0F1F;
  --wz-text:#202637;
  --wz-text-secondary:#4D5568;
  --wz-text-muted:#6A7283;

  --wz-fg-cobalt:#1837C8;
  --wz-fg-teal:#087064;
  --wz-fg-purple:#6A178F;
  --wz-fg-magenta:#B5164D;
  --wz-fg-gold:#72520A;
  --wz-fg-orange:#9A3412;

  /* GUARD semantic colours — bright for dark backgrounds, -ink for small text on light */
  --guard-g:#14C7B1; --guard-u:#2FD17A; --guard-a:#D9A62E; --guard-r:#E94B78; --guard-d:#9A7AF2;
  --guard-g-ink:#087064; --guard-u-ink:#116B3E; --guard-a-ink:#72520A; --guard-r-ink:#9C2348; --guard-d-ink:#5A3FA7;

  /* ============================================================
     V30 — Learning Spectrum colour system
     ============================================================ */
  --ws-ink:#10172E;
  --ws-paper:#FFF7EC;
  --ws-paper-deep:#F5EDE1;
  --ws-white:#FFFFFF;

  --ws-cobalt:#2F5BEA;
  --ws-violet:#7138C8;
  --ws-indigo:#5B4BCE;
  --ws-ocean:#046C9A;
  --ws-teal:#08766C;
  --ws-forest:#18745A;
  --ws-raspberry:#C83C6C;
  --ws-orange:#B54514;
  --ws-gold:#9A6200;
  --ws-red:#AA3A3A;

  --ws-spark-yellow:#FFD84D;
  --ws-spark-coral:#FF6B6B;

  /* Semantic family aliases */
  --ai-foundation:var(--ws-cobalt);
  --ai-model:var(--ws-violet);
  --ai-safety:var(--ws-teal);
  --ai-system:var(--ws-orange);
  --quantum-foundation:var(--ws-violet);
  --quantum-advanced:var(--ws-indigo);
  --guard-primary:var(--ws-ink);

  /* Programme Atlas tinted surfaces (Level 2) */
  --programme-ai-1:#E6ECFF;
  --programme-ai-2:#E5DEFF;
  --programme-ai-3:#DDECF7;
  --programme-quantum-1:#E8DFFF;
  --programme-quantum-2:#DDE7FF;
  --programme-guard:#16214B;

  --ws-card-shadow:0 12px 28px rgba(16,23,46,.16);
  --ws-card-shadow-hover:0 18px 38px rgba(16,23,46,.22);

  /* ============================================================
     VNext — Three Worlds visual system (AI / Quantum / GUARD)
     ============================================================ */
  --wv-ink:#0B1026;
  --wv-ink-soft:#182044;
  --wv-cream:#FFF7EC;

  --wv-ai-blue:#315BFF;
  --wv-ai-cyan:#3DE3D0;
  --wv-ai-coral:#FF6B5F;
  --wv-ai-yellow:#FFD84D;

  --wv-quantum-night:#0B1026;
  --wv-quantum-violet:#7B61FF;
  --wv-quantum-indigo:#5B4BCE;
  --wv-quantum-cyan:#54E6FF;
  --wv-quantum-lilac:#C8B8FF;

  --wv-magenta:#F34881;

  --wv-blue-soft:#DCE5FF;
  --wv-violet-soft:#E7DFFF;
  --wv-cyan-soft:#D8FAF5;

  --wv-border-dark:rgba(255,255,255,.16);
  --wv-border-light:rgba(11,16,38,.12);

  --wv-display:'Space Grotesk',sans-serif;
}

/* ============================================================
   GUARD stage states — shared across GUARD tools/pages
   ============================================================ */
.guard-stage{border-radius:var(--radius-sm);padding:14px 12px;text-align:center;border:1px solid transparent}
.guard-stage .stage-letter{font-family:var(--wz-serif);font-size:24px;font-style:italic;display:block}
.guard-stage .stage-label{font-family:var(--wz-mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;margin-top:4px;display:block}
.guard-stage.g{background:rgba(20,199,177,.12);border-color:var(--guard-g)}
.guard-stage.u{background:rgba(47,209,122,.12);border-color:var(--guard-u)}
.guard-stage.a{background:rgba(217,166,46,.16);border-color:var(--guard-a)}
.guard-stage.r{background:rgba(233,75,120,.10);border-color:rgba(233,75,120,.4)}
.guard-stage.d{background:rgba(154,122,242,.10);border-color:rgba(154,122,242,.4)}
.guard-stage.is-complete{opacity:.85}
.guard-stage.is-complete .stage-label::before{content:'✓ ';color:var(--guard-g)}
.guard-stage.is-active{box-shadow:0 0 0 3px rgba(217,166,46,.25);animation:guard-pulse 2s ease-in-out infinite}
@keyframes guard-pulse{0%,100%{box-shadow:0 0 0 3px rgba(217,166,46,.25)}50%{box-shadow:0 0 0 6px rgba(217,166,46,.12)}}
@media (prefers-reduced-motion:reduce){.guard-stage.is-active{animation:none}}
/* text-on-light variants use -ink colours for AA contrast */
.text-guard-g{color:var(--guard-g-ink)} .text-guard-u{color:var(--guard-u-ink)} .text-guard-a{color:var(--guard-a-ink)}
.text-guard-r{color:var(--guard-r-ink)} .text-guard-d{color:var(--guard-d-ink)}

/* ============================================================
   Base
   ============================================================ */
.eyebrow{font-family:var(--wz-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:500;display:inline-flex;align-items:center;gap:8px;margin-bottom:14px}
.eyebrow.on-dark{color:var(--wz-teal-bright)}
.eyebrow.on-light{color:#5A607A}
.eyebrow.accent-purple{color:var(--wz-purple)}
.eyebrow.accent-cobalt{color:var(--wz-cobalt)}

.section-heading{font-family:var(--wz-serif);font-weight:400;letter-spacing:-.02em;line-height:1.08;margin:0}
.section-heading.size-h1{font-size:clamp(38px,6vw,76px)}
.section-heading.size-h2{font-size:clamp(30px,4.2vw,50px)}
.section-heading.size-h3{font-size:clamp(22px,3vw,32px)}

.section-lede{font-size:17px;line-height:1.65;color:var(--wz-ink-2);max-width:60ch;margin:20px 0 0}
.section-lede.on-dark{color:#A8AEC4}

/* ============================================================
   Buttons
   ============================================================ */
.button-primary,.button-secondary,.button-accent{
  display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:var(--radius-sm);
  font-family:var(--wz-sans);font-size:14px;font-weight:600;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  min-height:44px;box-sizing:border-box;border:1px solid transparent;cursor:pointer;text-decoration:none;
}
.button-primary{background:var(--wz-ink);color:var(--wz-paper)}
.button-primary:hover{transform:translateY(-2px);box-shadow:var(--wz-shadow-md)}
.button-secondary{background:transparent;color:var(--wz-ink);border-color:var(--wz-line)}
.button-secondary.on-dark{color:var(--wz-paper);border-color:rgba(255,255,255,.3)}
.button-secondary:hover{transform:translateY(-2px);border-color:var(--wz-ink)}
.button-secondary.on-dark:hover{border-color:#fff}
.button-accent{background:var(--wz-teal-bright);color:var(--wz-ink)}
.button-accent:hover{transform:translateY(-2px);box-shadow:0 12px 28px -8px rgba(0,212,184,.5)}

/* ============================================================
   Layout shells
   ============================================================ */
.wz-container{max-width:1280px;margin:0 auto;padding:0 32px}
.wz-container.narrow{max-width:840px}
.wz-section{padding:96px 0}
.wz-section.tight{padding:64px 0}
.wz-section.compact{padding:48px 0}
.footer-wordmark{font-family:var(--wz-sans);font-size:26px;font-weight:700;letter-spacing:-.02em;color:#fff;text-decoration:none;display:inline-block}
.wz-section.on-paper{background:var(--wz-paper)}
.wz-section.on-tint{background:var(--wz-paper-deep)}
.wz-section.on-dark,.dark-section{background:var(--wz-ink);color:var(--wz-paper)}
.wz-section.bordered{border-bottom:1px solid var(--wz-line)}
.wz-section.on-dark.bordered,.dark-section.bordered{border-bottom:1px solid rgba(255,255,255,.08)}

/* ============================================================
   Header / nav
   ============================================================ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--wz-line)}
.site-header .wz-container{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.site-header .logo img{height:44px;width:auto}
.site-nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.site-nav a{font-size:13px;font-weight:600;color:var(--wz-ink-2);white-space:nowrap}
.site-nav a.is-active{color:var(--wz-cobalt)}
.site-nav a.accent-quantum{color:var(--wz-fg-purple)}
.header-cta{flex-shrink:0}
.nav-cta-mobile{display:none}
@media (max-width:640px){
  .wz-nav-links.wz-open .nav-cta-mobile{display:inline-flex}
  .header-cta{display:none}
}

/* ============================================================
   Trust strip
   ============================================================ */
.trust-strip{background:var(--wz-ink);color:var(--wz-paper);padding:28px 0}
.trust-strip .wz-container{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:center}
.trust-strip .stat{display:flex;flex-direction:column;gap:4px;min-width:110px}
.trust-strip .stat .num{font-family:var(--wz-serif);font-size:36px;font-weight:500;color:var(--wz-teal-bright)}
.trust-strip .stat .label{font-family:var(--wz-mono);font-size:11px;letter-spacing:.06em;color:#A8AEC4}
@media (max-width:640px){.trust-strip .stat{flex:1 1 28%;min-width:96px}}

/* ============================================================
   Cards
   ============================================================ */
.feature-panel{border-radius:var(--radius-md);padding:32px 28px;display:flex;flex-direction:column;gap:12px;height:100%;box-sizing:border-box}
.feature-panel.on-white{background:var(--wz-surface);box-shadow:var(--wz-shadow-sm)}
.feature-panel.on-tint-blue{background:var(--wz-blue-tint)}
.feature-panel.on-tint-teal{background:var(--wz-teal-tint)}
.feature-panel.on-tint-purple{background:var(--wz-purple-tint)}
.feature-panel.on-tint-magenta{background:var(--wz-magenta-tint)}
.feature-panel.on-dark{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);color:var(--wz-paper)}

.pathway-card{border-radius:var(--radius-md);padding:36px 30px;display:flex;flex-direction:column;gap:14px;position:relative;background:var(--wz-surface);box-shadow:var(--wz-shadow-sm);transition:transform .2s,box-shadow .2s}
.pathway-card:hover{transform:translateY(-4px);box-shadow:var(--wz-shadow-md)}
.pathway-card.is-flagship{grid-column:span 2;background:var(--wz-ink);color:var(--wz-paper)}
.pathway-card .top-bar{position:absolute;top:0;left:0;right:0;height:5px;border-radius:var(--radius-md) var(--radius-md) 0 0}

.lab-card{background:var(--wz-surface);border-radius:var(--radius-md);padding:24px;display:flex;flex-direction:column;gap:12px;min-height:180px;box-shadow:var(--wz-shadow-sm);transition:transform .2s,box-shadow .2s;text-decoration:none;color:inherit}
.lab-card:hover{transform:translateY(-4px);box-shadow:var(--wz-shadow-md)}
.lab-card .lab-tag{font-family:var(--wz-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.lab-card .lab-title{font-family:var(--wz-serif);font-size:20px;font-weight:500;margin-top:auto}
.lab-card .lab-preview{border-radius:var(--radius-sm);height:64px;display:flex;align-items:center;justify-content:center;font-family:var(--wz-mono);font-size:11px;letter-spacing:.06em}

.resource-card{background:var(--wz-surface);border-radius:var(--radius-md);padding:26px 24px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--wz-shadow-sm);text-decoration:none;color:inherit;transition:transform .2s}
.resource-card:hover{transform:translateY(-3px)}

.stat-card{display:flex;flex-direction:column;gap:8px;padding-top:16px;border-top:2px solid var(--wz-line)}

.quote-panel{font-family:var(--wz-serif);font-size:22px;font-style:italic;color:var(--wz-ink-2);max-width:44ch;border-left:3px solid var(--wz-cobalt);padding-left:20px}

/* ============================================================
   Step timeline
   ============================================================ */
.step-timeline{display:flex;flex-direction:column;gap:0}
.step-timeline .step{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.step-timeline .step .step-num{font-family:var(--wz-mono);font-size:13px;color:var(--wz-teal-bright)}
.step-timeline .step .step-title{font-family:var(--wz-serif);font-size:19px;font-weight:500;margin:0 0 6px}

/* ============================================================
   Chips / filters
   ============================================================ */
.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;border:1px solid var(--wz-line);background:transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.chip.is-active{background:var(--wz-ink);color:var(--wz-paper);border-color:var(--wz-ink)}
.status-chip{font-family:var(--wz-mono);font-size:11px;letter-spacing:.06em;padding:5px 12px;border-radius:999px;display:inline-flex;align-items:center}
.status-chip.available{background:var(--wz-teal-tint);color:#0a7d6e}
.status-chip.pilot{background:var(--wz-blue-tint);color:var(--wz-cobalt)}
.status-chip.request{background:var(--wz-purple-tint);color:var(--wz-purple)}
.status-chip.planned{background:#F1ECE2;color:#5A607A}

/* ============================================================
   Final CTA / footer
   ============================================================ */
.final-cta{text-align:center;padding:100px 0}
.site-footer{padding:56px 0;background:var(--wz-ink);color:#A8AEC4}
.site-footer .wz-container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px}
.site-footer a{font-size:13px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-heading{font-family:var(--wz-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#A8AEC4}
.footer-bottom{max-width:1280px;margin:40px auto 0;padding:20px 32px 0;border-top:1px solid rgba(255,255,255,.1);font-size:12px}

/* ============================================================
   GUARD desk visual (homepage hero product)
   ============================================================ */
.guard-desk{position:relative;border-radius:var(--radius-lg);background:var(--wz-ink);padding:32px;color:var(--wz-paper);box-shadow:var(--wz-shadow-lg);overflow:hidden}
.guard-desk::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 20% 15%,rgba(0,212,184,.18),transparent 40%),radial-gradient(circle at 85% 85%,rgba(233,30,99,.14),transparent 45%)}
.guard-desk .desk-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:16px}
.guard-desk .claim-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:16px 18px}
.guard-desk .claim-card .claim-label{font-family:var(--wz-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#A8AEC4;margin-bottom:6px}
.guard-desk .claim-card .claim-text{font-family:var(--wz-serif);font-size:16px;line-height:1.4}
.guard-desk .letters-row{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.guard-desk .letter-chip{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:12px 6px;text-align:center;transition:border-color .3s,background .3s}
.guard-desk .letter-chip .letter{font-family:var(--wz-serif);font-size:24px;font-style:italic;display:block}
.guard-desk .letter-chip.is-checked{background:rgba(0,212,184,.14);border-color:var(--wz-teal-bright)}
.guard-desk .decision-chip{align-self:flex-start;background:var(--wz-teal-bright);color:var(--wz-ink);font-family:var(--wz-sans);font-size:14px;font-weight:600;padding:12px 20px;border-radius:var(--radius-sm);min-height:46px;display:inline-flex;align-items:center;gap:8px}
.guard-desk a.decision-chip:hover,.guard-desk:hover .decision-chip{box-shadow:0 10px 24px -8px rgba(0,212,184,.5)}
.guard-desk .letter-chip.is-active{box-shadow:0 0 0 3px rgba(217,166,46,.22);animation:wz-guard-active-pulse 2s ease-in-out infinite}
@keyframes wz-guard-active-pulse{0%,100%{box-shadow:0 0 0 3px rgba(217,166,46,.22)}50%{box-shadow:0 0 0 6px rgba(217,166,46,.1)}}
.guard-desk .letter-chip{position:relative}
.guard-desk .letter-chip .check-mark{position:absolute;top:2px;right:3px;font-size:9px}
.guard-desk .letter-chip .letter{padding-right:8px}
.guard-desk .progress-track{height:6px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.guard-desk .progress-fill{height:100%;background:linear-gradient(90deg,var(--wz-teal-bright),var(--wz-cobalt-bright));width:60%;border-radius:999px}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:900px){
  .wz-split-2,.wz-split-2b{grid-template-columns:1fr!important;gap:32px}
  .pathway-card.is-flagship{grid-column:span 1}
  .wz-section{padding:64px 0}
}
@media (max-width:640px){
  .wz-container{padding:0 20px}
  .trust-strip .wz-container{gap:20px}
}