/* ============================================
   MICRO-INTERACTIONS — INK, PAPER & TECHNICAL INSTRUMENTATION
   ============================================ */

/* ============================================
   1. GLOBAL PAPER INK CURSOR
   ============================================ */
@media (pointer: fine) {
  body {
    cursor: none !important;
  }
  a, button, input, textarea, select, [role="button"], .paper-card, .paper-project-card, .paper-skill-card {
    cursor: none !important;
  }
}

.ink-cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 6px;
  height: 6px;
  background: #2a241e;
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: width 0.15s ease, height 0.15s ease, background 0.15s ease;
  box-shadow: 0 0 2px rgba(40, 35, 25, 0.4);
}

.ink-cursor-circle {
  position: fixed;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 1.2px solid rgba(50, 42, 32, 0.45);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%) scale(0.6);
  opacity: 0;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ink-cursor-circle.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.15);
  border-color: #2a241e;
}

.ink-cursor-circle.link {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.3);
  border-color: #1c1a17;
  background: rgba(244, 238, 226, 0.7);
}

.ink-cursor-circle.spotify {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.25);
  border-color: #1db954;
  background: rgba(29, 185, 84, 0.08);
}

.ink-cursor-icon {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 700;
  color: #1c1a17;
  display: none;
  line-height: 1;
}

.ink-cursor-circle.link .ink-cursor-icon,
.ink-cursor-circle.spotify .ink-cursor-icon {
  display: block;
}

/* ============================================
   2. INK DRAW UNDERLINE EFFECT (Left -> Right)
   ============================================ */
.ink-draw-link,
.nav-links a,
.paper-card-click-hint,
.project-ext-link,
.spotify-link {
  position: relative;
  text-decoration: none !important;
}

.ink-draw-link::after,
.nav-links a::after,
.project-ext-link::after,
.spotify-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  opacity: 0.85;
}

.ink-draw-link:hover::after,
.nav-links a:hover::after,
.project-ext-link:hover::after,
.spotify-link:hover::after {
  transform: scaleX(1);
}

/* ============================================
   3. PAPER DISPLACEMENT (LIFTING A SHEET OF PAPER)
   ============================================ */
.paper-card,
.paper-project-card,
.paper-skill-card,
.paper-lead-card,
.paper-edu-card,
.paper-music-card,
.spec-item,
.hobby-col {
  transition: transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.28s ease, border-color 0.28s ease !important;
}

.paper-card:hover,
.paper-project-card:hover,
.paper-skill-card:hover,
.paper-lead-card:hover,
.paper-edu-card:hover,
.paper-music-card:hover,
.spec-item:hover,
.hobby-col:hover {
  transform: translateY(-3px) rotate(0.25deg) !important;
  box-shadow: 0 14px 32px rgba(40, 32, 22, 0.11) !important;
  border-color: rgba(50, 42, 32, 0.35) !important;
}

.paper-card:nth-child(even):hover,
.paper-project-card:nth-child(even):hover,
.paper-skill-card:nth-child(even):hover {
  transform: translateY(-3px) rotate(-0.25deg) !important;
}

/* ============================================
   4. EXPERIENCE TIMELINE — INK RIPPLE & SCRATCHED ANNOTATION
   ============================================ */
.scratched-annotation {
  font-family: var(--font-handwriting);
  font-size: 1.15rem;
  color: #8c2a22;
  position: absolute;
  top: -18px;
  right: 12px;
  opacity: 0;
  transform: translateY(4px) rotate(-2deg);
  transition: all 0.25s ease;
  pointer-events: none;
  white-space: nowrap;
}

.paper-card:hover .scratched-annotation {
  opacity: 1;
  transform: translateY(0) rotate(-2deg);
}

@keyframes inkRippleSpread {
  0% { r: 11px; opacity: 0.8; stroke-width: 2px; }
  100% { r: 32px; opacity: 0; stroke-width: 0.5px; }
}

/* ============================================
   5. SKILLS SECTION — CONSTELLATION GRAPH & TERMINAL
   ============================================ */
.skills-matrix-grid:hover .paper-skill-card:not(:hover) {
  opacity: 0.45;
  transition: opacity 0.3s ease;
}

.paper-skill-card {
  cursor: pointer;
  position: relative;
}

.paper-skill-card.terminal-mode {
  background: #1c1a17 !important;
  color: #ede5d5 !important;
  border-color: #3d3730 !important;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25) !important;
}

.paper-skill-card.terminal-mode .skill-cat-name {
  color: #f5f0e6 !important;
}

.paper-skill-card.terminal-mode .skill-code {
  color: #c9c0b0 !important;
}

.paper-skill-card.terminal-mode .paper-tag {
  background: rgba(255, 255, 255, 0.08) !important;
  color: #ede5d5 !important;
  border-color: rgba(255, 255, 255, 0.15) !important;
}

.terminal-readout-box {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  margin-top: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.terminal-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.terminal-dots {
  color: #a89f91;
  letter-spacing: 0.1em;
}

.terminal-status-tag {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: #c93b2b;
  margin-top: 0.5rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.15);
  padding-top: 0.4rem;
  font-weight: 700;
}

/* ============================================
   6. PROJECTS — ARCHITECTURE DIAGRAM MICRO-INTERACTIONS
   ============================================ */
/* ARCHITECH: Data Packet Moving Along Knowledge Graph */
@keyframes packetMoveGraph {
  0% { cx: 40; cy: 30; }
  25% { cx: 90; cy: 20; }
  50% { cx: 140; cy: 40; }
  75% { cx: 200; cy: 30; }
  100% { cx: 240; cy: 50; }
}

.graph-packet-dot {
  fill: #8b1022;
  r: 4;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.paper-project-card:hover .graph-packet-dot {
  opacity: 1;
  animation: packetMoveGraph 2.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* Eventix: TX Verified Monospace Pulse Badge */
.tx-verified-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: #1b7a43;
  background: rgba(27, 122, 67, 0.08);
  border: 1px solid rgba(27, 122, 67, 0.25);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  opacity: 0;
  transform: translateY(4px);
  transition: all 0.3s ease;
  display: inline-block;
  margin-top: 0.4rem;
  text-align: center;
  font-weight: 700;
}

.paper-project-card:hover .tx-verified-badge {
  opacity: 1;
  transform: translateY(0);
}

/* AgriSaksham: AI Pipeline Audio Waveform Movement */
.paper-project-card:hover .arch-node svg {
  stroke: #8b1022;
  transition: stroke 0.3s ease;
}

/* ============================================
   7. SPOTIFY — EQUALIZER & ALBUM ARTWORK HOVER
   ============================================ */
.equalizer-waveform.paused .bar {
  animation: none !important;
  height: 2px !important;
  opacity: 0.35;
}

.spotify-track-row {
  position: relative;
  transition: background 0.2s ease;
}

.spotify-cover-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
}

.spotify-cover-wrapper .play-overlay-icon {
  position: absolute;
  inset: 0;
  background: rgba(28, 26, 23, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f5f0e6;
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.spotify-track-row:hover .spotify-cover-wrapper .play-overlay-icon {
  opacity: 1;
}

/* ============================================
   8. NAVIGATION — TABLE OF CONTENTS MARKS
   ============================================ */
.nav-links li.active a::before {
  content: '·';
  position: absolute;
  left: -10px;
  font-size: 1.4rem;
  line-height: 1;
  color: #c93b2b;
}