section.cover {
  --ambient-x-soft: 0px;
  --ambient-y-soft: 0px;
  --ambient-x-strong: 0px;
  --ambient-y-strong: 0px;
  --ambient-x-grid: 0px;
  --ambient-y-grid: 0px;
  animation: cover-gradient-shift 12s ease-in-out infinite alternate;
  background-size: 180% 180% !important;
  overflow: hidden;
}

section.cover .cover-main,
section.cover .site-footer {
  position: relative;
  z-index: 3;
}

.home-ambient {
  background:
    radial-gradient(circle at var(--glow-x, 72%) var(--glow-y, 28%), rgba(255, 255, 255, 0.32), transparent 24%),
    radial-gradient(circle at 20% 76%, rgba(46, 183, 119, 0.12), transparent 28%);
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  position: absolute;
  z-index: 1;
}

.home-ambient::before,
.home-ambient::after {
  border-radius: 50%;
  content: "";
  filter: blur(1px);
  position: absolute;
  transform: translate3d(var(--ambient-x-soft), var(--ambient-y-soft), 0);
  transition: transform 120ms linear;
}

.home-ambient::before {
  animation: ambient-orbit 14s ease-in-out infinite alternate;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.6), transparent 68%);
  height: min(62vw, 760px);
  left: -15%;
  opacity: 0.7;
  top: -24%;
  width: min(62vw, 760px);
}

.home-ambient::after {
  animation: ambient-orbit 17s ease-in-out -8s infinite alternate-reverse;
  background: radial-gradient(circle, rgba(46, 183, 119, 0.28), transparent 68%);
  bottom: -32%;
  height: min(58vw, 700px);
  right: -12%;
  width: min(58vw, 700px);
  transform: translate3d(var(--ambient-x-strong), var(--ambient-y-strong), 0);
}

.ambient-grid {
  background-image:
    linear-gradient(rgba(37, 110, 62, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 110, 62, 0.045) 1px, transparent 1px);
  background-size: 52px 52px;
  inset: -8%;
  mask-image: radial-gradient(ellipse at center, #000 8%, transparent 72%);
  animation: grid-breathe 8s ease-in-out infinite alternate;
  opacity: 0.72;
  position: absolute;
  transform: perspective(700px) rotateX(58deg) translate3d(
    var(--ambient-x-grid),
    calc(22% + var(--ambient-y-grid)),
    0
  );
  transform-origin: center 72%;
}

.ambient-item {
  animation: ambient-float var(--float-duration) ease-in-out var(--float-delay) infinite;
  color: rgba(27, 91, 47, 0.62);
  left: var(--left);
  position: absolute;
  top: var(--top);
  transform: translate3d(var(--move-x, 0px), var(--move-y, 0px), 0);
  transition: transform 140ms linear;
  will-change: transform;
}

.ambient-item-inner {
  align-items: center;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(38, 121, 64, 0.19);
  border-radius: 999px;
  box-shadow: 0 12px 36px rgba(31, 91, 50, 0.055);
  display: flex;
  font-size: clamp(11px, 0.8vw, 13px);
  font-weight: 650;
  gap: 8px;
  letter-spacing: 0.08em;
  opacity: var(--opacity);
  padding: 9px 14px;
  transform: rotate(var(--rotation));
  white-space: nowrap;
}

.ambient-item-inner::before {
  background: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 12px currentColor;
  content: "";
  height: 4px;
  opacity: 0.48;
  width: 4px;
}

.ambient-orbit {
  border: 1px solid rgba(41, 126, 69, 0.13);
  border-radius: 50%;
  height: var(--size);
  left: var(--left);
  opacity: var(--opacity);
  position: absolute;
  top: var(--top);
  transform: translate3d(var(--move-x, 0px), var(--move-y, 0px), 0);
  transition: transform 160ms linear;
  width: var(--size);
}

.ambient-orbit::before,
.ambient-orbit::after {
  border-radius: inherit;
  content: "";
  inset: 18%;
  position: absolute;
}

.ambient-orbit::before {
  border: 1px dashed rgba(41, 126, 69, 0.15);
  animation: orbit-spin 24s linear infinite;
}

.ambient-orbit::after {
  background: rgba(51, 153, 84, 0.28);
  box-shadow: 0 0 18px rgba(51, 153, 84, 0.2);
  height: 5px;
  left: 50%;
  top: -3px;
  width: 5px;
}

:root[data-theme="dark"] .home-ambient::before {
  background: radial-gradient(circle, rgba(114, 219, 139, 0.11), transparent 68%);
}

:root[data-theme="dark"] .home-ambient::after {
  background: radial-gradient(circle, rgba(42, 148, 102, 0.15), transparent 68%);
}

:root[data-theme="dark"] .ambient-grid {
  background-image:
    linear-gradient(rgba(116, 214, 139, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 214, 139, 0.045) 1px, transparent 1px);
}

:root[data-theme="dark"] .ambient-item {
  color: rgba(178, 232, 190, 0.44);
}

:root[data-theme="dark"] .ambient-item-inner {
  background: rgba(29, 65, 40, 0.18);
  border-color: rgba(129, 224, 151, 0.11);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.09);
}

:root[data-theme="dark"] .ambient-orbit,
:root[data-theme="dark"] .ambient-orbit::before {
  border-color: rgba(139, 229, 160, 0.11);
}

@keyframes cover-gradient-shift {
  0% {
    background-position: 0% 20%;
    filter: saturate(1);
  }
  50% {
    background-position: 52% 82%;
    filter: saturate(1.08);
  }
  100% {
    background-position: 100% 18%;
    filter: saturate(1.02);
  }
}

@keyframes ambient-float {
  0%,
  100% {
    margin-left: -3px;
    margin-top: -12px;
  }
  50% {
    margin-left: 5px;
    margin-top: 14px;
  }
}

@keyframes ambient-orbit {
  from {
    margin: -3% 0 0 -2%;
    opacity: 0.52;
  }
  to {
    margin: 4% 0 0 3%;
    opacity: 0.82;
  }
}

@keyframes orbit-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes grid-breathe {
  from {
    opacity: 0.42;
  }
  to {
    opacity: 0.76;
  }
}

@media screen and (max-width: 768px) {
  .ambient-item:nth-of-type(n + 6),
  .ambient-orbit:last-child {
    display: none;
  }

  .ambient-item-inner {
    font-size: 10px;
    padding: 7px 10px;
  }

  .ambient-grid {
    background-size: 38px 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  section.cover {
    animation: none;
  }

  .home-ambient::before,
  .home-ambient::after,
  .ambient-grid,
  .ambient-item,
  .ambient-orbit,
  .ambient-orbit::before {
    animation-duration: 16s !important;
    animation-iteration-count: infinite !important;
  }
}