/**
 * Node77 · Motion & uiverse-inspired effects
 */

/* ── Animated mesh background ───────────────────────────── */

.site-bg {
  background: var(--lumen-void);
}

.site-bg__mesh {
  position: absolute;
  inset: -50%;
  background:
    radial-gradient(at 40% 20%, rgba(99, 102, 241, 0.18) 0, transparent 50%),
    radial-gradient(at 80% 0%, rgba(6, 182, 212, 0.15) 0, transparent 45%),
    radial-gradient(at 0% 50%, rgba(236, 72, 153, 0.1) 0, transparent 50%),
    radial-gradient(at 80% 80%, rgba(168, 85, 247, 0.12) 0, transparent 45%);
  animation: fx-mesh-drift 22s ease-in-out infinite alternate;
}

.site-bg__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 20%, transparent 75%);
}

.site-bg__orb {
  opacity: 0.55;
  filter: blur(90px);
  animation: fx-float 14s ease-in-out infinite;
}

.site-bg__orb--1 {
  background: radial-gradient(circle, rgba(99, 102, 241, 0.35) 0%, transparent 70%);
}

.site-bg__orb--2 {
  background: radial-gradient(circle, rgba(236, 72, 153, 0.28) 0%, transparent 70%);
  animation-delay: -5s;
}

@keyframes fx-mesh-drift {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(3%, 2%) rotate(3deg); }
}

@keyframes fx-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(24px, -18px) scale(1.05); }
}

/* ── Shine button (uiverse-style) ───────────────────────── */

.fx-shine {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.fx-shine::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-20deg);
  animation: fx-shine-sweep 3.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes fx-shine-sweep {
  0%, 70% { left: -60%; }
  100% { left: 140%; }
}

/* ── Gradient border card ───────────────────────────────── */

.fx-card-glow {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.45), rgba(236, 72, 153, 0.35), rgba(6, 182, 212, 0.4));
  background-size: 200% 200%;
  animation: fx-gradient-shift 6s ease infinite;
}

.fx-card-glow__inner {
  border-radius: calc(var(--radius-xl) - 1px);
  background: var(--lumen-panel);
  height: 100%;
}

@keyframes fx-gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ── Hover lift + tilt hint ───────────────────────────────── */

.fx-hover-lift {
  transition:
    transform var(--duration-normal) var(--ease-spring),
    box-shadow var(--duration-normal) var(--ease-out);
}

.fx-hover-lift:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg);
}

/* ── Stagger reveal ─────────────────────────────────────── */

.reveal.fx-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.55s var(--ease-out),
    transform 0.55s var(--ease-spring);
}

.reveal.fx-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: none; }
.reveal.fx-stagger.is-visible > *:nth-child(2) { transition-delay: 80ms; opacity: 1; transform: none; }
.reveal.fx-stagger.is-visible > *:nth-child(3) { transition-delay: 160ms; opacity: 1; transform: none; }
.reveal.fx-stagger.is-visible > *:nth-child(4) { transition-delay: 240ms; opacity: 1; transform: none; }
.reveal.fx-stagger.is-visible > *:nth-child(n+5) { transition-delay: 300ms; opacity: 1; transform: none; }

/* ── Pulse dot ──────────────────────────────────────────── */

.fx-pulse-dot {
  position: relative;
}

.fx-pulse-dot::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--success);
  opacity: 0.35;
  animation: fx-pulse-ring 2s ease-out infinite;
}

@keyframes fx-pulse-ring {
  0% { transform: scale(0.6); opacity: 0.5; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* ── Hero floaters ──────────────────────────────────────── */

.fx-floaters {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.fx-floater {
  position: absolute;
  border-radius: var(--radius-lg);
  border: 1px solid var(--lumen-hairline);
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  animation: fx-floater 8s ease-in-out infinite;
}

.fx-floater--1 {
  width: 52px;
  height: 52px;
  top: 12%;
  right: 8%;
  animation-delay: 0s;
}

.fx-floater--2 {
  width: 36px;
  height: 36px;
  bottom: 22%;
  right: 18%;
  border-radius: 50%;
  animation-delay: -2s;
}

.fx-floater--3 {
  width: 64px;
  height: 28px;
  top: 38%;
  right: 4%;
  border-radius: var(--radius-pill);
  animation-delay: -4s;
}

@keyframes fx-floater {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(4deg); }
}

@media (prefers-reduced-motion: reduce) {
  .site-bg__mesh,
  .site-bg__orb,
  .fx-shine::after,
  .fx-card-glow,
  .fx-floater {
    animation: none !important;
  }
}