/* ===== ACMÉ v3 — Cursor-revealed grid (no halo) ===== */
:root {
  --v3-blue:       #1f5bff;
  --v3-blue-soft:  rgba(31, 91, 255, 0.55);
  --v3-grid-size:  64px;
  --gx: 50vw;
  --gy: 50vh;
}

/* Faint base grid that's always visible across the whole page */
.v3-grid-base {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    linear-gradient(to right, rgba(0,0,0,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: var(--v3-grid-size) var(--v3-grid-size);
  background-attachment: fixed;
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, black 60%, transparent 100%);
          mask-image: radial-gradient(ellipse at center, black 0%, black 60%, transparent 100%);
  animation: v3-grid-pan 60s linear infinite;
}
@keyframes v3-grid-pan {
  0%   { background-position: 0 0, 0 0; }
  100% { background-position: var(--v3-grid-size) var(--v3-grid-size), var(--v3-grid-size) var(--v3-grid-size); }
}

/* Vivid grid revealed near the cursor */
.v3-reveal {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background-image:
    linear-gradient(to right, var(--v3-blue-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--v3-blue-soft) 1px, transparent 1px);
  background-size: var(--v3-grid-size) var(--v3-grid-size);
  background-attachment: fixed;
  -webkit-mask-image: radial-gradient(
    circle 280px at var(--gx) var(--gy),
    black 0%,
    rgba(0,0,0,0.5) 40%,
    transparent 75%
  );
          mask-image: radial-gradient(
    circle 280px at var(--gx) var(--gy),
    black 0%,
    rgba(0,0,0,0.5) 40%,
    transparent 75%
  );
  opacity: 0;
  transition: opacity 0.6s ease;
}
.v3-reveal.is-on { opacity: 1; }

/* Soft glow at the cursor centre — small dot, not a halo */
.v3-dot {
  position: fixed;
  top: 0; left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 999;
  transform: translate(-50%, -50%);
  background: var(--v3-blue);
  box-shadow:
    0 0 0 4px rgba(31, 91, 255, 0.18),
    0 0 14px rgba(31, 91, 255, 0.45);
  opacity: 0.85;
}

/* Crosshair lines through the cursor — extends grid sensation */
.v3-dot::before,
.v3-dot::after {
  content: "";
  position: fixed;
  background: rgba(31, 91, 255, 0.25);
  pointer-events: none;
}
.v3-dot::before {
  /* Vertical line through cursor */
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  transform: translateX(-0.5px);
}
.v3-dot::after {
  /* Horizontal line through cursor */
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  transform: translateY(-0.5px);
}

/* Cursor coordinates badge (top-left of cursor) */
.v3-dot[data-coord]::after { /* placeholder if needed later */ }

/* Pulse pings: short blue circles that briefly appear near cursor */
.v3-ping {
  position: fixed;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--v3-blue);
  pointer-events: none;
  z-index: 998;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0.8;
  animation: v3-ping 1.4s ease-out forwards;
  box-shadow: 0 0 0 0 rgba(31, 91, 255, 0.55);
}
@keyframes v3-ping {
  0%   { transform: translate(-50%, -50%) scale(0);   opacity: 0.9; box-shadow: 0 0 0 0 rgba(31,91,255,0.55); }
  60%  { transform: translate(-50%, -50%) scale(1.4); opacity: 0.5; box-shadow: 0 0 0 16px rgba(31,91,255,0); }
  100% { transform: translate(-50%, -50%) scale(2);   opacity: 0;   box-shadow: 0 0 0 24px rgba(31,91,255,0); }
}

/* Background grid removed — native cursor restored (was hidden for the grid feel). */

/* The bottom-right v3 pill picks up blue */
body.v3 .v2-toggle .v2-current {
  background: linear-gradient(135deg, #0a2eaa, var(--v3-blue));
}

/* Hover effects on v3 — keep them subtle and grid-aligned */
body.v3 .sector-card,
body.v3 .pillar,
body.v3 .method-step,
body.v3 .tier-card {
  transition: border-color 0.35s ease, box-shadow 0.4s ease, transform 0.3s ease;
}
body.v3 .sector-card:hover,
body.v3 .pillar:hover,
body.v3 .method-step:hover,
body.v3 .tier-card:hover {
  border-color: var(--v3-blue);
  box-shadow: 0 0 0 2px rgba(31, 91, 255, 0.12), 0 14px 38px rgba(31, 91, 255, 0.10);
}

body.v3 a:not(.btn):not(.nav-logo):hover {
  color: var(--v3-blue);
}

body.v3 .btn-primary-dark {
  transition: background 0.4s ease, box-shadow 0.4s ease;
}
body.v3 .btn-primary-dark:hover {
  background: linear-gradient(135deg, #0a2eaa 0%, var(--v3-blue) 100%);
  border-color: var(--v3-blue);
  box-shadow: 0 10px 30px rgba(31, 91, 255, 0.28);
}
body.v3 .btn-outline-dark:hover {
  background: var(--v3-blue);
  border-color: var(--v3-blue);
  color: #fff;
}

@media (prefers-reduced-motion: reduce) {
  .v3-grid-base { animation: none; }
  .v3-ping { display: none; }
}

/* v3.1-style auto-cycle hero rules are now applied globally in styles.css */