/*
 * Keepintouch — effects.css
 * Preloader · Custom cursor · Marquee · Noise · Audio/BPM controls
 */

/* ============================================================
   1. PRELOADER
   ============================================================ */
#kit-preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--c-bg, #080808);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#kit-preloader.kit-preloader-done {
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
}

.kit-preloader-logo {
  display: flex;
  gap: 0;
  align-items: baseline;
}

.kit-preloader-letter {
  font-family: var(--ff-display, 'Space Grotesk', sans-serif);
  font-size: clamp(2rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--c-bright, #f0f0f0);
  text-transform: uppercase;
  display: inline-block;
  min-width: 0.6em;
  text-align: center;
}

.kit-preloader-letter.dot {
  color: var(--c-accent, #c8ff00);
  font-size: 0.6em;
}

.kit-preloader-progress {
  width: min(300px, 60vw);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-end;
}

.kit-preloader-bar {
  width: 100%;
  height: 1px;
  background: var(--c-border, #1e1e1e);
  position: relative;
  overflow: hidden;
}

.kit-preloader-bar-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: var(--c-accent, #c8ff00);
  transition: width 0.08s linear;
}

.kit-preloader-pct {
  font-family: var(--ff-mono, 'Space Mono', monospace);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--c-muted, #555);
}

/* ============================================================
   2. CUSTOM CURSOR
   ============================================================ */
@media (pointer: fine) {
  body { cursor: none; }
  a, button, [data-cursor] { cursor: none; }
}

#kit-cursor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 99998;
}

.kit-cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 36px;
  height: 36px;
  border: 1px solid var(--c-accent, #c8ff00);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.25s ease, height 0.25s ease, border-color 0.25s ease, opacity 0.2s;
  will-change: transform;
}

.kit-cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 4px;
  height: 4px;
  background: var(--c-accent, #c8ff00);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  will-change: transform;
}

/* Hover state */
#kit-cursor.kit-cursor-hover .kit-cursor-ring {
  width: 56px;
  height: 56px;
  border-color: rgba(200, 255, 0, 0.5);
}
#kit-cursor.kit-cursor-hover .kit-cursor-dot {
  width: 6px;
  height: 6px;
}

/* Click state */
#kit-cursor.kit-cursor-click .kit-cursor-ring {
  width: 24px;
  height: 24px;
  border-color: var(--c-accent, #c8ff00);
}

/* Hidden */
#kit-cursor.kit-cursor-hidden .kit-cursor-ring,
#kit-cursor.kit-cursor-hidden .kit-cursor-dot {
  opacity: 0;
}

/* ============================================================
   3. MARQUEE TICKER
   ============================================================ */
.kit-marquee {
  overflow: hidden;
  background: var(--c-surface, #111);
  border-top: 1px solid var(--c-border, #1e1e1e);
  border-bottom: 1px solid var(--c-border, #1e1e1e);
  padding: 0.875rem 0;
  width: 100%;
  user-select: none;
}

.kit-marquee-inner {
  display: flex;
  white-space: nowrap;
  animation: kit-marquee-scroll linear infinite;
  will-change: transform;
}

.kit-marquee-text {
  font-family: var(--ff-mono, 'Space Mono', monospace);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-muted, #555);
  padding-right: 2rem;
  flex-shrink: 0;
}

.kit-marquee-text em {
  font-style: normal;
  color: var(--c-accent, #c8ff00);
}

@keyframes kit-marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Reverse direction variant */
.kit-marquee.reverse .kit-marquee-inner {
  animation-direction: reverse;
}

/* Accent variant */
.kit-marquee.accent {
  background: var(--c-accent, #c8ff00);
  border-color: var(--c-accent, #c8ff00);
}
.kit-marquee.accent .kit-marquee-text {
  color: #080808;
}

/* ============================================================
   4. NOISE TEXTURE OVERLAY
   ============================================================ */
#kit-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  width: 100vw;
  height: 100vh;
  opacity: 0.035;
  background-image: url(data:image/png;base64,);
  /* The canvas is generated by JS and tiled via CSS */
  image-rendering: pixelated;
  mix-blend-mode: overlay;
}

/* ============================================================
   5. AUDIO-REACTIVE BUTTON
   ============================================================ */
.kit-audio-btn {
  position: absolute;
  bottom: 2rem;
  left: var(--gutter, 2rem);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--c-border, #1e1e1e);
  color: var(--c-muted, #555);
  font-family: var(--ff-mono, monospace);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.5rem 0.875rem;
  border-radius: 2px;
  cursor: none;
  transition: border-color 0.3s, color 0.3s;
}

.kit-audio-btn:hover {
  border-color: var(--c-accent, #c8ff00);
  color: var(--c-accent, #c8ff00);
}

.kit-audio-btn.kit-audio-active {
  border-color: var(--c-accent, #c8ff00);
  color: var(--c-accent, #c8ff00);
}

.kit-audio-icon {
  display: inline-block;
  font-size: 0.7rem;
  animation: none;
}

.kit-audio-btn.kit-audio-active .kit-audio-icon {
  animation: kit-pulse 1s ease-in-out infinite;
}

@keyframes kit-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.8); }
}

/* ============================================================
   6. BPM TAP BUTTON
   ============================================================ */
.kit-bpm-btn {
  position: absolute;
  bottom: 2rem;
  left: calc(var(--gutter, 2rem) + 180px);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--c-border, #1e1e1e);
  color: var(--c-muted, #555);
  font-family: var(--ff-mono, monospace);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.5rem 0.875rem;
  border-radius: 2px;
  cursor: none;
  transition: border-color 0.3s, color 0.3s, transform 0.05s;
}

.kit-bpm-btn:hover {
  border-color: var(--c-muted, #555);
  color: var(--c-bright, #f0f0f0);
}

.kit-bpm-btn:active {
  transform: scale(0.96);
  border-color: var(--c-accent, #c8ff00);
  color: var(--c-accent, #c8ff00);
}

.kit-bpm-icon {
  font-size: 0.7rem;
  font-weight: 700;
}

/* ============================================================
   7. PARALLAX / TILT — GPU hints
   ============================================================ */
[data-parallax] {
  will-change: transform;
}

[data-tilt], .kit-crew-card, .crew-card {
  transform-style: preserve-3d;
  will-change: transform;
}

/* ============================================================
   8. SMOOTH SCROLL — prevent flash during inertia
   ============================================================ */
html {
  scroll-behavior: auto; /* JS handles smoothness */
}

/* ============================================================
   9. VIDEO HERO
   ============================================================ */
#kit-hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.4;
}

/* ============================================================
   10. GENERAL UTILITY
   ============================================================ */

/* Accent line underline animation for nav & links */
.kit-underline {
  position: relative;
}
.kit-underline::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%; height: 1px;
  background: var(--c-accent, #c8ff00);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.kit-underline:hover::after { transform: scaleX(1); }

/* Glitch text utility */
.kit-glitch {
  position: relative;
}
.kit-glitch::before,
.kit-glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  color: var(--c-bright, #f0f0f0);
}
.kit-glitch::before {
  animation: kit-glitch-1 3.5s infinite;
  clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
  color: var(--c-accent, #c8ff00);
  opacity: 0.7;
}
.kit-glitch::after {
  animation: kit-glitch-2 3.5s infinite;
  clip-path: polygon(0 60%, 100% 60%, 100% 100%, 0 100%);
  color: #ff2a6d;
  opacity: 0.5;
}

@keyframes kit-glitch-1 {
  0%, 90%, 100% { transform: none; opacity: 0; }
  91%           { transform: translate(-2px, 1px); opacity: 0.7; }
  93%           { transform: translate(2px, -1px); opacity: 0.7; }
  95%           { transform: translate(-1px, 2px); opacity: 0.7; }
  97%           { transform: translate(1px, -2px); opacity: 0.7; }
  99%           { transform: none; opacity: 0; }
}
@keyframes kit-glitch-2 {
  0%, 92%, 100% { transform: none; opacity: 0; }
  93%           { transform: translate(2px, 2px); opacity: 0.5; }
  96%           { transform: translate(-2px, -1px); opacity: 0.5; }
  98%           { transform: translate(1px, 1px); opacity: 0.5; }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  .kit-marquee-inner        { animation: none !important; }
  .kit-glitch::before,
  .kit-glitch::after        { animation: none !important; opacity: 0 !important; }
  [data-parallax]           { transform: none !important; }
  #kit-cursor               { display: none !important; }
  .kit-audio-icon           { animation: none !important; }
}