/* ============================================================
   KELD — Brand tokens & ripple helpers
   v1.0  ·  "a still place for what you hold"
   Include in <head>:
     <link rel="stylesheet" href="/assets/css/keld-brand.css">
   ============================================================ */

:root {
  /* Core palette — violet digital-noir */
  --keld-ink:        #0B0E14;  /* deep midnight navy — main background */
  --keld-ink-2:      #12161A;  /* charcoal black — raised panels / cards */
  --keld-ink-3:      #1A1F2B;  /* deepest panel accents / hovers */
  --keld:            #6C5CE7;  /* electric purple — THE accent. Use sparingly. */
  --keld-bright:     #A29BFE;  /* neon violet — highlights, hottest point of glow */
  --keld-deep:       #5A4BD4;  /* deep violet — pressed states, accents on light */
  --keld-paper:      #F5F6FA;  /* paper — print & light mode */
  --keld-grey:       #94A3B8;  /* silver-gray — captions, metadata */
  --keld-text:       #FFFFFF;  /* crisp white — headers & body on dark */
  --keld-muted:      #94A3B8;  /* silver-gray — secondary/body text on dark */
  --keld-hairline:   rgba(162, 155, 254, 0.14);  /* subtle glowing violet border */

  /* Spacing scale (4px base) */
  --keld-space-1: 4px;
  --keld-space-2: 8px;
  --keld-space-3: 12px;
  --keld-space-4: 16px;
  --keld-space-5: 24px;
  --keld-space-6: 32px;
  --keld-space-7: 48px;
  --keld-space-8: 64px;

  /* Radii — consistent rounded corners */
  --keld-radius-sm:  8px;
  --keld-radius-md:  12px;
  --keld-radius-lg:  18px;
  --keld-radius-xl:  26px;
  --keld-radius-pill: 999px;

  /* Shadows — soft, layered */
  --keld-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --keld-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --keld-shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.5);
  --keld-glow:      0 0 24px rgba(108, 92, 231, 0.35);  /* violet CTA glow */

  /* Glassmorphism surface */
  --keld-glass-bg:     rgba(18, 22, 26, 0.62);
  --keld-glass-border: rgba(162, 155, 254, 0.18);
  --keld-glass-blur:   14px;

  /* Motion — 150–300ms, restrained */
  --keld-ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --keld-dur-fast:   150ms;
  --keld-dur-base:   220ms;
  --keld-dur-slow:   300ms;

  /* Typography */
  --keld-font-sans: "Inter", "Segoe UI", system-ui, -apple-system, Helvetica, Arial, sans-serif;
  --keld-fs-caption: 12px;
  --keld-fs-body:    14px;
  --keld-fs-lg:      16px;
  --keld-fs-h3:      20px;
  --keld-fs-h2:      28px;
  --keld-fs-h1:      40px;
  --keld-fw-regular: 400;
  --keld-fw-medium:  500;
  --keld-fw-semibold: 600;
  --keld-lh-tight:   1.2;
  --keld-lh-body:    1.55;
}

/* ---- ripple mark hosts ---- */
[data-dial] {
  display: block;
}

/* ambient glow behind the hero ripple (optional) */
[data-ambient] {
  position: absolute;
  inset: -25%;
  background: radial-gradient(circle,
    rgba(108, 92, 231, 0.14) 0%,
    rgba(108, 92, 231, 0) 60%);
  pointer-events: none;
}

/* ---- wordmark ----
   Usage: <span class="keld-wordmark">KELD</span> */
.keld-wordmark {
  font-weight: 600;
  letter-spacing: 0.34em;
  color: var(--keld-text);
}
.keld-wordmark > span {
  color: var(--keld);
  font-weight: 600;
}

/* ---- primary keld button ---- */
.btn-keld {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background: var(--keld);
  color: var(--keld-ink);
  border: 1px solid transparent;
  box-shadow: 0 0 24px rgba(108, 92, 231, 0.25);
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: pointer;
  text-decoration: none;
}
.btn-keld:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 34px rgba(108, 92, 231, 0.4);
}

@media (prefers-reduced-motion: reduce) {
  .btn-keld:hover { transform: none; }
}
