/* ==========================================================
   CNSPK · Electric Register · Design Tokens
   v2.0.0 — Foundation stream (Stream 1)
   ----------------------------------------------------------
   Drop-in stylesheet. Link this first on every page:
     <link rel="stylesheet" href="/css/tokens.css">

   Defines: CSS custom properties (color, type, motion,
   radius, spacing, shadow), Google Fonts bundle, base body
   styles, accessible focus reset, reduced-motion handling,
   and the canonical utility classes shared across the site
   (brand-shield, section-eyebrow, btn-primary, btn-secondary,
   status-pill, status-dot, pulse, glass-panel).

   Reference: AGENT_BRIEF.md — Electric register.
   Visual ground-truth: CNSPK-Rebrand-Research/sample-site.html
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,700;12..96,800&family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&family=Noto+Nastaliq+Urdu:wght@400;700&display=swap');

/* ==========================================================
   1. Tokens
   ========================================================== */
:root {
  /* ---- Primary lime ------------------------------------- */
  --lime: #C7FF3E;
  --lime-600: #9BD11A;       /* darker companion; AA on bone/light */
  --lime-glow: #E8FF8A;

  /* ---- Heritage accents (ceremonial) -------------------- */
  --pak-green: #01411C;
  --gold: #C9A227;

  /* ---- Surfaces (dark-mode native) ---------------------- */
  --carbon: #0F1115;         /* page bg */
  --charcoal: #1A1D24;       /* card surfaces */
  --slate: #2A2E37;          /* borders, dividers */
  --steel: #6B7280;          /* secondary text */
  --bone: #F4F1EA;           /* primary text on dark; primary surface on light */
  --bone-2: #E8E3D6;         /* subtler bone */

  /* ---- Semantic ----------------------------------------- */
  --watch: #F59E0B;          /* warning */
  --breach: #F43F5E;         /* error / threat advisory */
  --signal: #06B6D4;         /* info */

  /* ---- Signature gradients ------------------------------ */
  --grad-stamp-glow: linear-gradient(135deg, #C7FF3E 0%, #9BD11A 100%);
  --grad-terminal-dawn: linear-gradient(180deg, #0F1115 0%, #01411C 50%, #C7FF3E 100%);

  /* ---- Type families ------------------------------------ */
  --font-display: 'Bricolage Grotesque', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, 'Courier New', monospace;
  --font-urdu: 'Noto Nastaliq Urdu', 'Jameel Noori Nastaleeq', serif;

  /* ---- Motion ------------------------------------------- */
  --dur-hover: 150ms;        /* hover state changes */
  --dur-elevate: 200ms;      /* surface elevation */
  --dur-reveal: 400ms;       /* scroll-reveal */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);

  /* ---- Radius scale ------------------------------------- */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-2xl: 24px;
  --r-pill: 9999px;

  /* ---- Spacing scale (4px base) ------------------------- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* ---- Shadow ------------------------------------------- */
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.02) inset, 0 8px 24px rgba(0, 0, 0, 0.32);
  --shadow-cta: 6px 6px 0 0 var(--charcoal), 6px 6px 0 1px var(--lime-600);
  --shadow-cta-hover: 8px 8px 0 0 var(--charcoal), 8px 8px 0 1px var(--lime-600);
  --shadow-soft: 0 12px 40px rgba(0, 0, 0, 0.45);
  --shadow-elevated: 0 20px 60px rgba(0, 0, 0, 0.55);
}

/* ==========================================================
   2. Universal reset
   ========================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
  scroll-behavior: smooth;
}

body {
  background-color: var(--carbon);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img,
svg,
video,
canvas {
  max-width: 100%;
  display: block;
}

a {
  color: var(--lime);
  text-decoration: none;
  transition: color var(--dur-hover) var(--ease);
}

a:hover {
  color: var(--lime-glow);
}

button {
  font-family: inherit;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

code,
.mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

::selection {
  background: var(--lime);
  color: var(--carbon);
}

/* ==========================================================
   3. Accessibility — visible focus on all interactive
   elements. Never strip outline without a replacement.
   ========================================================== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* ==========================================================
   4. Brand mark — the official CNSPK shield
   ----------------------------------------------------------
   <span class="brand-shield">CN</span>
   Renders the official shield logo (brand/assets/cnspk-shield.png,
   white shield on transparent). The "CN" text inside is hidden —
   kept in markup only as alt/fallback text.
   ========================================================== */
.brand-shield {
  width: 38px;
  height: 38px;
  background-image: url('/brand/assets/cnspk-shield.png');
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  display: inline-block;
  text-indent: -9999px;          /* hide the "CN" fallback text */
  overflow: hidden;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-shield--sm {
  width: 24px;
  height: 24px;
}

.brand-shield--lg {
  width: 48px;
  height: 48px;
}

/* ==========================================================
   5. Section eyebrow — mono lime label, hairline marker
   ----------------------------------------------------------
   <div class="section-eyebrow">// upcoming-meetups</div>
   ========================================================== */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-5);
}

.section-eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--lime);
  flex-shrink: 0;
}

/* ==========================================================
   6. Buttons
   ----------------------------------------------------------
   .btn-primary   — lime CTA with offset shadow (dark only)
   .btn-secondary — ghost border, mono label
   ========================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 32px;
  background: var(--lime);
  color: var(--carbon);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 0;
  border-radius: var(--r-sm);
  cursor: pointer;
  box-shadow: var(--shadow-cta);
  transition:
    transform var(--dur-hover) var(--ease),
    box-shadow var(--dur-hover) var(--ease),
    background var(--dur-hover) var(--ease),
    color var(--dur-hover) var(--ease);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-cta-hover);
  background: var(--lime-glow);
  color: var(--carbon);
  outline: none;
}

.btn-primary:active {
  transform: translate(0, 0);
  box-shadow: var(--shadow-cta);
}

.btn-primary--sm {
  padding: 10px 18px;
  font-size: 13px;
  box-shadow: 4px 4px 0 0 var(--charcoal), 4px 4px 0 1px var(--lime-600);
}

.btn-primary--sm:hover,
.btn-primary--sm:focus-visible {
  box-shadow: 6px 6px 0 0 var(--charcoal), 6px 6px 0 1px var(--lime-600);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 32px;
  background: transparent;
  color: var(--bone);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid var(--slate);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition:
    border-color var(--dur-hover) var(--ease),
    color var(--dur-hover) var(--ease),
    background var(--dur-hover) var(--ease);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  outline: none;
}

/* ==========================================================
   7. Status pill — dark glass + pulsing lime dot
   ----------------------------------------------------------
   <span class="status-pill">
     <span class="status-dot"></span>
     <span>chapter / live / lhe-khi-isb</span>
   </span>
   ========================================================== */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: rgba(199, 255, 62, 0.10);
  border: 1px solid rgba(199, 255, 62, 0.25);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  letter-spacing: 0.04em;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 12px var(--lime);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; transform: scale(0.85); }
  50%      { opacity: 1;   transform: scale(1.10); }
}

/* ==========================================================
   8. Glass panel — frosted dark surface used by navbar,
   modals, slide-in menus, and overlays.
   ========================================================== */
.glass-panel {
  background: rgba(15, 17, 21, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--slate);
}

/* ==========================================================
   9. Reduced motion — respect the user preference
   ========================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  html { scroll-behavior: auto; }

  .status-dot {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .btn-primary:hover,
  .btn-primary:focus-visible {
    transform: none;
  }
}