/* BorderGlow — adapted from React Bits (DavidHDev) for Against Gravity.
   Sharp radius, monochrome mesh, no soft drop-shadow stack. */

.border-glow-card {
  --edge-proximity: 0;
  --cursor-angle: 45deg;
  --edge-sensitivity: 28;
  --color-sensitivity: calc(var(--edge-sensitivity) + 20);
  --border-radius: 0px;
  --glow-padding: 28px;
  --cone-spread: 22;
  --card-bg: #000000;
  --fill-opacity: 0.35;
  --glow-color: hsl(0deg 0% 100% / 100%);
  --glow-color-60: hsl(0deg 0% 100% / 60%);
  --glow-color-50: hsl(0deg 0% 100% / 50%);
  --glow-color-40: hsl(0deg 0% 100% / 40%);
  --glow-color-30: hsl(0deg 0% 100% / 30%);
  --glow-color-20: hsl(0deg 0% 100% / 20%);
  --glow-color-10: hsl(0deg 0% 100% / 10%);
  --gradient-one: radial-gradient(at 80% 55%, #ffffff 0px, transparent 50%);
  --gradient-two: radial-gradient(at 69% 34%, #d4d4d4 0px, transparent 50%);
  --gradient-three: radial-gradient(at 8% 6%, #a3a3a3 0px, transparent 50%);
  --gradient-four: radial-gradient(at 41% 38%, #ffffff 0px, transparent 50%);
  --gradient-five: radial-gradient(at 86% 85%, #c8c8c8 0px, transparent 50%);
  --gradient-six: radial-gradient(at 82% 18%, #e5e5e5 0px, transparent 50%);
  --gradient-seven: radial-gradient(at 51% 4%, #b3b3b3 0px, transparent 50%);
  --gradient-base: linear-gradient(#ffffff 0 100%);

  position: relative;
  border-radius: var(--border-radius);
  isolation: isolate;
  transform: translate3d(0, 0, 0.01px);
  display: grid;
  border: 2px solid #ffffff;
  background: var(--card-bg);
  overflow: visible;
  box-shadow: none;
}

.border-glow-card::before,
.border-glow-card::after,
.border-glow-card > .edge-light {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  transition: opacity 0.25s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1));
  z-index: -1;
  pointer-events: none;
}

.border-glow-card:not(:hover):not(.sweep-active)::before,
.border-glow-card:not(:hover):not(.sweep-active)::after,
.border-glow-card:not(:hover):not(.sweep-active) > .edge-light {
  opacity: 0;
  transition: opacity 0.75s ease-in-out;
}

/* Colored mesh-gradient border */
.border-glow-card::before {
  border: 1px solid transparent;
  background:
    linear-gradient(var(--card-bg) 0 100%) padding-box,
    linear-gradient(rgb(255 255 255 / 0%) 0% 100%) border-box,
    var(--gradient-one) border-box,
    var(--gradient-two) border-box,
    var(--gradient-three) border-box,
    var(--gradient-four) border-box,
    var(--gradient-five) border-box,
    var(--gradient-six) border-box,
    var(--gradient-seven) border-box,
    var(--gradient-base) border-box;
  opacity: calc((var(--edge-proximity) - var(--color-sensitivity)) / (100 - var(--color-sensitivity)));
  mask-image:
    conic-gradient(
      from var(--cursor-angle) at center,
      black calc(var(--cone-spread) * 1%),
      transparent calc((var(--cone-spread) + 15) * 1%),
      transparent calc((100 - var(--cone-spread) - 15) * 1%),
      black calc((100 - var(--cone-spread)) * 1%)
    );
}

/* Soft fill near edges */
.border-glow-card::after {
  border: 1px solid transparent;
  background:
    var(--gradient-one) padding-box,
    var(--gradient-two) padding-box,
    var(--gradient-three) padding-box,
    var(--gradient-four) padding-box,
    var(--gradient-five) padding-box,
    var(--gradient-six) padding-box,
    var(--gradient-seven) padding-box,
    var(--gradient-base) padding-box;
  mask-image:
    linear-gradient(to bottom, black, black),
    radial-gradient(ellipse at 50% 50%, black 40%, transparent 65%),
    radial-gradient(ellipse at 66% 66%, black 5%, transparent 40%),
    radial-gradient(ellipse at 33% 33%, black 5%, transparent 40%),
    radial-gradient(ellipse at 66% 33%, black 5%, transparent 40%),
    radial-gradient(ellipse at 33% 66%, black 5%, transparent 40%),
    conic-gradient(from var(--cursor-angle) at center, transparent 5%, black 15%, black 85%, transparent 95%);
  mask-composite: subtract, add, add, add, add, add;
  -webkit-mask-composite: source-out, source-over, source-over, source-over, source-over, source-over;
  opacity: calc(var(--fill-opacity) * (var(--edge-proximity) - var(--color-sensitivity)) / (100 - var(--color-sensitivity)));
  mix-blend-mode: soft-light;
}

/* Outer glow layer */
.border-glow-card > .edge-light {
  inset: calc(var(--glow-padding) * -1);
  z-index: 1;
  mask-image:
    conic-gradient(
      from var(--cursor-angle) at center,
      black 2.5%,
      transparent 10%,
      transparent 90%,
      black 97.5%
    );
  opacity: calc((var(--edge-proximity) - var(--edge-sensitivity)) / (100 - var(--edge-sensitivity)));
  mix-blend-mode: plus-lighter;
}

.border-glow-card > .edge-light::before {
  content: "";
  position: absolute;
  inset: var(--glow-padding);
  border-radius: inherit;
  box-shadow:
    inset 0 0 0 1px var(--glow-color),
    inset 0 0 1px 0 var(--glow-color-60),
    inset 0 0 3px 0 var(--glow-color-50),
    inset 0 0 6px 0 var(--glow-color-40),
    inset 0 0 15px 0 var(--glow-color-30),
    inset 0 0 25px 2px var(--glow-color-20),
    inset 0 0 50px 2px var(--glow-color-10),
    0 0 1px 0 var(--glow-color-60),
    0 0 3px 0 var(--glow-color-50),
    0 0 6px 0 var(--glow-color-40),
    0 0 15px 0 var(--glow-color-30),
    0 0 25px 2px var(--glow-color-20),
    0 0 50px 2px var(--glow-color-10);
}

.border-glow-card > *:not(.edge-light) {
  position: relative;
  z-index: 2;
}

/* Inverted (white) pricing cards: darker silver glow */
.border-glow-card--light {
  --card-bg: #ffffff;
  --glow-color: hsl(0deg 0% 0% / 55%);
  --glow-color-60: hsl(0deg 0% 0% / 35%);
  --glow-color-50: hsl(0deg 0% 0% / 28%);
  --glow-color-40: hsl(0deg 0% 0% / 22%);
  --glow-color-30: hsl(0deg 0% 0% / 16%);
  --glow-color-20: hsl(0deg 0% 0% / 10%);
  --glow-color-10: hsl(0deg 0% 0% / 6%);
  --gradient-one: radial-gradient(at 80% 55%, #1a1a1a 0px, transparent 50%);
  --gradient-two: radial-gradient(at 69% 34%, #404040 0px, transparent 50%);
  --gradient-three: radial-gradient(at 8% 6%, #737373 0px, transparent 50%);
  --gradient-four: radial-gradient(at 41% 38%, #262626 0px, transparent 50%);
  --gradient-five: radial-gradient(at 86% 85%, #525252 0px, transparent 50%);
  --gradient-six: radial-gradient(at 82% 18%, #333333 0px, transparent 50%);
  --gradient-seven: radial-gradient(at 51% 4%, #666666 0px, transparent 50%);
  --gradient-base: linear-gradient(#111111 0 100%);
  --fill-opacity: 0.22;
}

.border-glow-card--light > .edge-light {
  mix-blend-mode: multiply;
}

/* Keep AG pricing layout; glow is additive chrome only */
.pricing-card.border-glow-card {
  display: flex;
  flex-direction: column;
}

.pricing-card--featured.border-glow-card {
  box-shadow: inset 0 0 0 1px #ffffff;
}

@media (prefers-reduced-motion: reduce) {
  .border-glow-card::before,
  .border-glow-card::after,
  .border-glow-card > .edge-light {
    transition: none;
  }

  .border-glow-card:not(:hover)::before,
  .border-glow-card:not(:hover)::after,
  .border-glow-card:not(:hover) > .edge-light {
    opacity: 0 !important;
  }
}