/* Global interactive effects shared across every layout.
   Loaded after each page's per-page CSS so it can layer on top. */

:root {
  --accent-blue: #007aff;
  --accent-cyan: #5ac8fa;
  --accent-teal: #7dd3c0;
  --accent-glow: rgba(0, 122, 255, 0.35);
  --accent-cyan-soft: rgba(90, 200, 250, 0.18);
  --tilt-max: 6deg;
  --reveal-y: 16px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---- Scroll reveal -------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(var(--reveal-y));
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
[data-reveal][data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal][data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal][data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal][data-reveal-delay="4"] { transition-delay: 0.32s; }
[data-reveal][data-reveal-delay="5"] { transition-delay: 0.40s; }

/* ---- Cursor-following spotlight ------------------------------------- */
.spotlight {
  position: relative;
  isolation: isolate;
}
.spotlight::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    var(--spot-size, 220px) circle at var(--mx, 50%) var(--my, 50%),
    var(--accent-cyan-soft),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.25s ease;
  border-radius: inherit;
  z-index: 0;
}
.spotlight:hover::before { opacity: 1; }
.spotlight > * { position: relative; z-index: 1; }

/* Hero override — much larger glow that follows the cursor across the header */
.main-header.spotlight {
  --spot-size: 520px;
}
.main-header.spotlight::before {
  background: radial-gradient(
    var(--spot-size) circle at var(--mx, 50%) var(--my, 50%),
    rgba(90, 200, 250, 0.22),
    rgba(0, 122, 255, 0.08) 30%,
    transparent 60%
  );
  border-radius: 0;
}

/* ---- 3D tilt on cards ---------------------------------------------- */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.35s var(--ease-out);
  will-change: transform;
}

/* ---- Magnetic buttons ---------------------------------------------- */
.magnetic {
  transition: transform 0.18s var(--ease-out);
}

/* ---- Animated gradient text ---------------------------------------- */
.gradient-text {
  background: linear-gradient(
    90deg,
    var(--accent-blue),
    var(--accent-cyan),
    var(--accent-teal),
    var(--accent-cyan),
    var(--accent-blue)
  );
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: gx-pan 8s linear infinite;
}
@keyframes gx-pan {
  to { background-position: 300% 0; }
}

/* ---- Available-for-work pill --------------------------------------- */
.available-pill {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(52, 199, 89, 0.45);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  user-select: none;
  z-index: 5;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34c759;
  box-shadow: 0 0 0 0 rgba(52, 199, 89, 0.6);
  animation: pulse-dot 1.8s ease-out infinite;
  flex-shrink: 0;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(52, 199, 89, 0.65); }
  70% { box-shadow: 0 0 0 10px rgba(52, 199, 89, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 199, 89, 0); }
}

/* ---- Scroll progress bar ------------------------------------------- */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: var(--scroll, 0%);
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan), var(--accent-teal));
  z-index: 9999;
  pointer-events: none;
  transition: width 0.08s linear;
  box-shadow: 0 0 12px rgba(90, 200, 250, 0.45);
}

/* ---- Animated underline -------------------------------------------- */
.underline-grow {
  position: relative;
  display: inline-block;
}
.underline-grow::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
  border-radius: 2px;
}
.underline-grow:hover::after,
.underline-grow:focus-visible::after {
  transform: scaleX(1);
}

/* ---- Tooltip on tech icons (CSS-only, uses [data-tip]) ------------- */
[data-tip] {
  position: relative;
}
[data-tip]::after,
[data-tip]::before {
  position: absolute;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  left: 50%;
  z-index: 50;
}
[data-tip]::after {
  content: attr(data-tip);
  bottom: calc(100% + 10px);
  background: #1c1c1e;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}
[data-tip]::before {
  content: "";
  bottom: calc(100% + 4px);
  width: 0;
  height: 0;
  border: 5px solid transparent;
  border-top-color: #1c1c1e;
}
[data-tip]:hover::after,
[data-tip]:hover::before,
[data-tip]:focus-visible::after,
[data-tip]:focus-visible::before {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---- Counter glow while animating ---------------------------------- */
.counter-number.is-counting {
  text-shadow: 0 0 24px var(--accent-glow);
}

/* ---- Reduced motion / touch gates ---------------------------------- */
@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  .gradient-text,
  .spotlight::before,
  .tilt-card,
  .magnetic,
  .pulse-dot,
  #scroll-progress {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
  [data-reveal] { transform: none !important; }
  .gradient-text {
    background: var(--accent-blue);
    -webkit-background-clip: text;
    background-clip: text;
  }
}
@media (hover: none) {
  .spotlight::before { display: none; }
  .tilt-card { transform: none !important; }
  .magnetic { transform: none !important; }
}