@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-18px);
  }
  100% {
    transform: translateY(0px);
  }
}

.float-image {
  animation: float 4s ease-in-out infinite;
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.typing-cursor {
  display: inline-block;
  margin-left: 2px;
  animation: blink 0.8s infinite;
}

@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.typing-text-fade {
  animation: textFade 0.2s ease;
}

@keyframes textFade {
  from {
    opacity: 0.6;
  }
  to {
    opacity: 1;
  }
}

#projectsContainer::-webkit-scrollbar {
  display: none;
}

#projectsContainer {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ── Tech Marquee ── */
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 22s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

/* ── Liquid Glass Button ── */
.liquid-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.3s ease;
  -webkit-backdrop-filter: url("#container-glass");
  backdrop-filter: url("#container-glass");
  box-shadow:
    0 0 6px rgba(0, 0, 0, 0.03),
    0 2px 6px rgba(0, 0, 0, 0.08),
    inset 3px 3px 0.5px -3px rgba(0, 0, 0, 0.9),
    inset -3px -3px 0.5px -3px rgba(0, 0, 0, 0.85),
    inset 1px 1px 1px -0.5px rgba(0, 0, 0, 0.6),
    inset -1px -1px 1px -0.5px rgba(0, 0, 0, 0.6),
    inset 0 0 6px 6px rgba(0, 0, 0, 0.12),
    inset 0 0 2px 2px rgba(0, 0, 0, 0.06),
    0 0 12px rgba(255, 255, 255, 0.15);
}

.liquid-btn:hover {
  transform: scale(1.05);
}

/* ── Testimonial transitions ── */
#testimonialQuote,
#testimonialAuthor {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* ── Spotlight / Glow Cards ── */
.glow-card {
  --base: 0;
  --spread: 180;
  --radius: 16;
  --border: 2;
  --backdrop: hsl(0 80% 5% / 0.55);
  --backup-border: hsl(0 60% 22% / 0.45);
  --size: 260;
  --outer: 1;
  --border-size: calc(var(--border, 2) * 1px);
  --spotlight-size: calc(var(--size, 150) * 1px);
  --hue: calc(var(--base) + (var(--xp, 0) * var(--spread, 0)));

  background-image: radial-gradient(
    var(--spotlight-size) var(--spotlight-size) at
    calc(var(--x, 0) * 1px)
    calc(var(--y, 0) * 1px),
    hsl(var(--hue, 0) 100% 65% / 0.09), transparent
  );
  background-color: var(--backdrop);
  background-size: calc(100% + (2 * var(--border-size))) calc(100% + (2 * var(--border-size)));
  background-position: 50% 50%;
  background-attachment: fixed;
  border: var(--border-size) solid var(--backup-border);
  position: relative;
  touch-action: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1rem 2.5rem -1rem rgba(0, 0, 0, 0.85);
  transition: box-shadow 0.3s ease;
}

.glow-card:hover {
  box-shadow: 0 1.5rem 3rem -1rem rgba(0, 0, 0, 0.95);
}

.glow-card::before,
.glow-card::after {
  pointer-events: none;
  content: "";
  position: absolute;
  inset: calc(var(--border-size) * -1);
  border: var(--border-size) solid transparent;
  border-radius: calc(var(--radius) * 1px);
  background-attachment: fixed;
  background-size: calc(100% + (2 * var(--border-size))) calc(100% + (2 * var(--border-size)));
  background-repeat: no-repeat;
  background-position: 50% 50%;
  mask: linear-gradient(transparent, transparent), linear-gradient(white, white);
  -webkit-mask: linear-gradient(transparent, transparent), linear-gradient(white, white);
  mask-clip: padding-box, border-box;
  -webkit-mask-clip: padding-box, border-box;
  mask-composite: intersect;
  -webkit-mask-composite: xor;
}

.glow-card::before {
  background-image: radial-gradient(
    calc(var(--spotlight-size) * 0.75) calc(var(--spotlight-size) * 0.75) at
    calc(var(--x, 0) * 1px)
    calc(var(--y, 0) * 1px),
    hsl(var(--hue, 0) 100% 50% / 1), transparent 100%
  );
  filter: brightness(2);
}

.glow-card::after {
  background-image: radial-gradient(
    calc(var(--spotlight-size) * 0.5) calc(var(--spotlight-size) * 0.5) at
    calc(var(--x, 0) * 1px)
    calc(var(--y, 0) * 1px),
    hsl(0 100% 100% / 1), transparent 100%
  );
}

/* Inner outer-glow layer */
.glow-card > [data-glow] {
  position: absolute;
  inset: 0;
  will-change: filter;
  opacity: var(--outer, 1);
  border-radius: calc(var(--radius) * 1px);
  border: calc(var(--border-size) * 20) solid transparent;
  filter: blur(calc(var(--border-size) * 10));
  background: none;
  pointer-events: none;
}