/* ==========================================================================
   QR-S PORTFOLIO - 2D INFINITE TILE MATRIX CANVAS (GPU HARDWARE ACCELERATED)
   ========================================================================== */

:root {
  --bg-color: #000000;
  --text-main: #ffffff;
  --text-muted: #888888;
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none !important;
  overscroll-behavior-y: none !important;
  overscroll-behavior-x: none !important;
}

body.canvas-page {
  position: fixed;
  top: 0;
  left: 0;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  touch-action: none !important;
  user-select: none;
  -webkit-user-select: none;
  overscroll-behavior: none !important;
}

/* Prevent native browser drag ghosting on media */
img, svg, video, .tile-image, .tile-media {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
}

/* ==========================================================================
   1. INTRO CURTAIN REVEAL - BOLD FONT, TRANSPARENT FILL & THIN LASER ONE LETTER AT A TIME
   ========================================================================== */

.intro-curtain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000000;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: auto;
  transition: transform 2.2s cubic-bezier(0.65, 0, 0.35, 1), opacity 1.5s ease, clip-path 2.2s cubic-bezier(0.65, 0, 0.35, 1);
  clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
}

.laser-logo-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 88vw;
  max-width: 420px;
  height: auto;
  aspect-ratio: 440 / 150;
  padding: 0 16px;
  transition: opacity 1.8s ease, transform 2s ease;
}

.laser-svg-logo {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* Vector Laser Stroke (100% Precise on iOS & Android) */
.laser-letter {
  fill: transparent;
  stroke: #ffffff;
  stroke-width: 3.5px;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  filter: drop-shadow(0 0 3px #ffffff) drop-shadow(0 0 8px rgba(255, 255, 255, 0.8));
  will-change: stroke-dashoffset, filter;
}

/* Mobile responsive tuning for retina screens */
@media (max-width: 768px) {
  .laser-logo-wrapper {
    width: 82vw;
    max-width: 340px;
  }
  .laser-letter {
    stroke-width: 3px;
    filter: drop-shadow(0 0 2px #ffffff) drop-shadow(0 0 6px rgba(255, 255, 255, 0.85));
  }
}

/* Animation Timings: One Letter at a Time Sequentially */
.letter-q,
.letter-q-tail {
  animation: drawBoldLetter 0.55s cubic-bezier(0.4, 0, 0.2, 1) 0.1s forwards;
}

.letter-r {
  animation: drawBoldLetter 0.55s cubic-bezier(0.4, 0, 0.2, 1) 0.6s forwards;
}

.letter-dash {
  animation: drawBoldLetter 0.3s cubic-bezier(0.4, 0, 0.2, 1) 1.1s forwards;
}

.letter-s {
  animation: drawBoldLetter 0.55s cubic-bezier(0.4, 0, 0.2, 1) 1.35s forwards;
}

@keyframes drawBoldLetter {
  0% {
    stroke-dashoffset: 1;
    filter: drop-shadow(0 0 5px #ffffff) drop-shadow(0 0 14px rgba(255, 255, 255, 1));
  }
  85% {
    stroke-dashoffset: 0;
    filter: drop-shadow(0 0 3px #ffffff) drop-shadow(0 0 8px rgba(255, 255, 255, 0.85));
  }
  100% {
    stroke-dashoffset: 0;
    filter: drop-shadow(0 0 2px #ffffff) drop-shadow(0 0 6px rgba(255, 255, 255, 0.7));
  }
}

.intro-curtain.is-exiting {
  clip-path: polygon(50% 0%, 50% 0%, 50% 100%, 50% 100%);
  transform: translateY(-100%) scaleX(0.2);
  opacity: 0;
  pointer-events: none !important;
}

.intro-curtain.is-exiting .laser-logo-wrapper {
  opacity: 0;
  transform: scale(0.8);
}

/* ==========================================================================
   2. 2D INFINITE CANVAS WALL (GPU ACCELERATED LAYER)
   ========================================================================== */

.canvas-viewport {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background-color: #000000;
  touch-action: none !important;
  overscroll-behavior: none !important;
  cursor: grab;
}

.canvas-viewport.is-dragging,
.canvas-viewport.is-dragging *,
html.is-dragging,
html.is-dragging * {
  cursor: grabbing !important;
}

/* GPU Hardware-Accelerated 2D Tile Canvas Container */
.matrix-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform-origin: center center;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  perspective: 1000px;
  transition: transform 2.5s cubic-bezier(0.16, 1, 0.3, 1), filter 1.5s ease, opacity 1.5s ease;
}

/* Initial 70% Scale State */
.matrix-canvas.is-zoomed-out {
  transform: scale(0.7) translate3d(0, 0, 0) !important;
  opacity: 0.9;
  filter: brightness(0.9);
}

/* Square Tile Item Positioned in 2D Space */
.tile-item {
  position: absolute;
  background-color: #111111;
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 1px #000000;
  will-change: transform;
  transform: translate3d(0, 0, 0);
}

/* Pure Image Tile */
.tile-media {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.tile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.92);
  transform: none;
  transition: filter 0.3s ease;
}

.tile-item:hover .tile-image {
  transform: none;
  filter: brightness(1);
}

/* Opaque Client Text Overlay at bottom on Hover for Image Tiles */
.tile-client-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 12px 16px;
  background: rgba(10, 10, 12, 0.92);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  z-index: 5;
}

.tile-item:hover .tile-client-overlay {
  opacity: 1;
  transform: translateY(0);
}

.client-text {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Text / Color Block Tile */
.tile-text-block {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  transition: filter 0.3s ease;
}

.tile-item:hover .tile-text-block {
  filter: brightness(1.15);
}

.block-title-text {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 6px;
  text-transform: uppercase;
  line-height: 1.1;
  user-select: none;
}

@media (max-width: 768px) {
  .block-title-text {
    font-size: 1.4rem;
    letter-spacing: 3px;
  }
  .laser-logo-wrapper {
    width: 280px;
    height: 90px;
  }
  .laser-letter {
    font-size: 64px;
  }
  .tile-client-overlay {
    padding: 8px 12px;
  }
  .client-text {
    font-size: 0.75rem;
  }
}