/* ============================================================
   ARRGROW — Component Kit, brand v5
   Black / white / silver; amber only on the signal (one phrase, the button, the key metric).
   Depends on tokens-v5.css + tokens.css. Rules: DESIGN.md.
   ============================================================ */

/* ---------- Base primitives ---------- */
.u-kicker {
  font-family: var(--font-he);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--silver);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
/* the firing dot — dormant amber node, glows when .is-on */
.u-node {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  opacity: 0.4;
  transition: opacity var(--dur-flash) var(--ease-ignite);
  flex: none;
}
.u-kicker:hover .u-node,
.u-kicker.is-on .u-node { opacity: 1; }

/* ============================================================
   BUTTONS
   Primary = the amber signal (one per view). Ghost = the quiet second action.
   ============================================================ */
.btn {
  --_pad-y: 15px;
  --_pad-x: 26px;
  font-family: var(--font-family-display);
  font-weight: 500;
  font-size: 15px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: var(--_pad-y) var(--_pad-x);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur-flash) var(--ease-ignite),
              box-shadow var(--dur-flash) var(--ease-ignite),
              background var(--dur-flash) var(--ease-ignite),
              border-color var(--dur-flash) var(--ease-ignite),
              color var(--dur-flash) var(--ease-ignite);
}
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.btn svg { width: 15px; height: 15px; flex: none; }
/* RTL: the arrow icon points into the reading direction naturally via markup */

.btn--primary {
  color: var(--text-on-brand);
  background: var(--amber-gradient);
  font-weight: 600;
}
.btn--primary:hover { transform: translateY(-2px); }
.btn--primary:active { transform: translateY(0) scale(0.98); }

.btn--ghost {
  color: var(--text-primary);
  background: transparent;
  border-color: var(--border-default);
}
.btn--ghost:hover {
  background: var(--bg-hover);
  border-color: var(--brand-border);
  color: var(--brand-bright);
}

.btn--sm { --_pad-y: 10px; --_pad-x: 18px; font-size: 13px; }
.btn--block { display: flex; width: 100%; justify-content: center; }

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.4;
  pointer-events: none;
  box-shadow: none;
  transform: none;
}

/* ============================================================
   CARDS
   Surface panel with a hairline edge. Hover warms the border to amber.
   ============================================================ */
.card {
  /* On the near-black ground, surface alone (~10 values up) melts into the
     canvas under grain+vignette. Seat every resting card with a clear hairline
     and a soft shadow so it reads as a distinct panel. */
  background: var(--bg-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-settle) var(--ease-ignite),
              border-color var(--dur-settle) var(--ease-ignite),
              box-shadow var(--dur-settle) var(--ease-ignite);
}
.card__title {
  font-family: var(--font-family-display);
  font-weight: 500;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--text-primary);
}
.card__body {
  font-family: var(--font-family-sans);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-top: var(--space-3);
}
.card--interactive { cursor: pointer; }
.card--interactive:hover {
  transform: translateY(-4px);
  border-color: var(--brand-border);
  box-shadow: var(--shadow-md), var(--shadow-brand);
}
/* Featured (e.g. Biz'o) — reads as the primary firing among cards */
.card--featured {
  border-color: var(--brand-border);
  box-shadow: var(--shadow-brand);
}
/* Inner panels use a tonal lift, never a nested card */
.card__panel {
  background: var(--bg-inset);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

/* ============================================================
   NAVIGATION
   Sticky glass bar, hairline underline. ΛRRGROW wordmark (slim Geist 200);
   links silver → white, current page = amber. RTL-native.
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 34px;
  padding: 18px clamp(22px, 5vw, 64px);
  background: var(--bg-surface-glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav__logo {
  font-size: 22px;
  color: var(--text-primary);
  text-decoration: none;
  direction: ltr;
}
.nav__links {
  display: flex;
  gap: 24px;
  margin-inline-start: auto; /* RTL-aware */
}
.nav__link {
  font-family: var(--font-family-sans);
  font-size: 15px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--dur-flash) var(--ease-ignite);
}
.nav__link:hover { color: var(--text-primary); }
.nav__link[aria-current] { color: var(--brand); }

/* ============================================================
   BADGES
   Status pill = a functional signal (borrowed hue, subtle bg).
   Kicker/eyebrow lives in .u-kicker above.
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-family-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
}
.badge--brand   { color: var(--brand);   background: var(--brand-subtle);   border-color: var(--brand-border); }
.badge--success { color: var(--success); background: var(--success-subtle); }
.badge--warning { color: var(--warning); background: var(--warning-subtle); }
.badge--danger  { color: var(--danger);  background: var(--danger-subtle); }
.badge--info    { color: var(--info);    background: var(--info-subtle); }
.badge--neutral { color: var(--text-secondary); background: var(--bg-raised); border-color: var(--border-subtle); }

/* ---------- Reduced motion: hold the fired state, don't animate ---------- */
@media (prefers-reduced-motion: reduce) {
  .btn, .card, .nav__link, .u-node {
    transition: none !important;
  }
}