/* ==========================================================================
   RoachNet motion layer
   Loads after app.css / app-polish.css / landing.css and layers a second
   generation of micro-interactions on top of site-polish.js.

   Naming: everything here is prefixed `rnm-` (RoachNet Motion) and every
   custom property is `--rnm-*`, so nothing collides with the existing
   `--rn-*` variables that site-polish.js already writes.

   Every effect is opt-in via a class or data attribute added by
   motion-layer.js, and everything switches off under
   `prefers-reduced-motion: reduce`.
   ========================================================================== */

:root {
  --rnm-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --rnm-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --rnm-ease-swift: cubic-bezier(0.4, 0, 0.2, 1);

  --rnm-cyan: var(--rn-cyan, #48e6ff);
  --rnm-blue: var(--rn-blue, #4d8dff);
  --rnm-green: var(--rn-green, #4bffa5);

  /* Written every frame by motion-layer.js */
  --rnm-vel: 0;
  --rnm-vel-abs: 0;
  --rnm-progress: 0;
  --rnm-px: 50%;
  --rnm-py: 50%;
}

/* --------------------------------------------------------------------------
   1. Aurora field — a slow drifting gradient wash behind everything.
   Cheap: three blurred radial blobs on a single composited layer.
   -------------------------------------------------------------------------- */

.rnm-aurora {
  position: fixed;
  inset: -20vmax;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  contain: strict;
  will-change: opacity, transform;
  transition: opacity 1.6s var(--rnm-ease-out);
  mix-blend-mode: screen;
}

.rnm-aurora.is-rnm-lit {
  opacity: 0.5;
}

.rnm-aurora__blob {
  position: absolute;
  width: 62vmax;
  height: 62vmax;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.34;
  will-change: transform;
  transform: translate3d(0, 0, 0);
}

.rnm-aurora__blob--a {
  left: 4%;
  top: 2%;
  background: radial-gradient(circle at 40% 40%, rgba(77, 141, 255, 0.72), transparent 68%);
  animation: rnm-drift-a 34s var(--rnm-ease-swift) infinite alternate;
}

.rnm-aurora__blob--b {
  right: 2%;
  top: 24%;
  background: radial-gradient(circle at 55% 45%, rgba(72, 230, 255, 0.6), transparent 66%);
  animation: rnm-drift-b 43s var(--rnm-ease-swift) infinite alternate;
}

.rnm-aurora__blob--c {
  left: 26%;
  bottom: 0%;
  background: radial-gradient(circle at 50% 60%, rgba(75, 255, 165, 0.42), transparent 64%);
  animation: rnm-drift-c 51s var(--rnm-ease-swift) infinite alternate;
}

@keyframes rnm-drift-a {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(14vmax, 8vmax, 0) scale(1.14); }
  100% { transform: translate3d(-6vmax, 16vmax, 0) scale(0.94); }
}

@keyframes rnm-drift-b {
  0% { transform: translate3d(0, 0, 0) scale(1.06); }
  50% { transform: translate3d(-16vmax, 12vmax, 0) scale(0.9); }
  100% { transform: translate3d(8vmax, -10vmax, 0) scale(1.18); }
}

@keyframes rnm-drift-c {
  0% { transform: translate3d(0, 0, 0) scale(0.95); }
  50% { transform: translate3d(12vmax, -14vmax, 0) scale(1.2); }
  100% { transform: translate3d(-14vmax, -4vmax, 0) scale(1.02); }
}

/* Scan sweep — a single faint horizontal light bar crossing the viewport. */
.rnm-scan {
  position: fixed;
  inset-inline: 0;
  top: 0;
  height: 34vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(72, 230, 255, 0.05) 44%,
    rgba(140, 210, 255, 0.09) 50%,
    rgba(72, 230, 255, 0.05) 56%,
    transparent
  );
  animation: rnm-scan-pass 18s linear infinite;
}

.rnm-scan.is-rnm-lit {
  opacity: 1;
}

@keyframes rnm-scan-pass {
  0% { transform: translate3d(0, -40vh, 0); }
  100% { transform: translate3d(0, 120vh, 0); }
}

/* Keep page content above the atmospherics. */
body > header,
body > main,
body > footer,
body > .page-shell,
body > .apps-store-shell,
body > .api-docs-shell,
body > .page-view {
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   2. Cursor companion — a spring-lagged ring that swells over targets.
   Complements (does not replace) the `.rn-cursor-light` glow.
   -------------------------------------------------------------------------- */

.rnm-cursor {
  position: fixed;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  margin: -17px 0 0 -17px;
  border-radius: 50%;
  border: 1px solid rgba(140, 220, 255, 0.55);
  pointer-events: none;
  z-index: 9998;
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity 0.35s var(--rnm-ease-out), width 0.3s var(--rnm-ease-spring),
    height 0.3s var(--rnm-ease-spring), border-color 0.3s var(--rnm-ease-out),
    background-color 0.3s var(--rnm-ease-out), margin 0.3s var(--rnm-ease-spring);
}

body[data-rnm-pointer='fine'] .rnm-cursor.is-rnm-lit {
  opacity: 0.85;
}

.rnm-cursor.is-rnm-target {
  width: 62px;
  height: 62px;
  margin: -31px 0 0 -31px;
  border-color: rgba(75, 255, 165, 0.7);
  background: rgba(72, 230, 255, 0.07);
}

.rnm-cursor.is-rnm-press {
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border-color: rgba(255, 255, 255, 0.85);
}

.rnm-cursor__dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 4px;
  height: 4px;
  margin: -2px 0 0 -2px;
  border-radius: 50%;
  background: rgba(190, 240, 255, 0.9);
  transition: transform 0.3s var(--rnm-ease-spring);
}

.rnm-cursor.is-rnm-target .rnm-cursor__dot {
  transform: scale(0.4);
}

/* --------------------------------------------------------------------------
   3. Reveal choreography — staggered, direction-aware entrances.
   `--rnm-i` is the stagger index inside a group, written by JS.
   -------------------------------------------------------------------------- */

[data-rnm-reveal] {
  opacity: 0;
  transform: translate3d(0, 26px, 0) scale(0.985);
  filter: blur(6px);
  transition:
    opacity 0.78s var(--rnm-ease-out),
    transform 0.86s var(--rnm-ease-out),
    filter 0.6s var(--rnm-ease-out);
  transition-delay: calc(var(--rnm-i, 0) * 68ms);
  will-change: opacity, transform, filter;
}

[data-rnm-reveal='left'] {
  transform: translate3d(-34px, 12px, 0) scale(0.985);
}

[data-rnm-reveal='right'] {
  transform: translate3d(34px, 12px, 0) scale(0.985);
}

[data-rnm-reveal='tilt'] {
  transform: perspective(1100px) translate3d(0, 40px, -40px) rotateX(9deg);
  transform-origin: 50% 100%;
}

[data-rnm-reveal].is-rnm-in {
  opacity: 1;
  transform: none;
  filter: none;
}

/* Once the entrance has played, drop the hints so hover transforms are free. */
[data-rnm-reveal].is-rnm-settled {
  will-change: auto;
  transition-delay: 0ms;
}

/* --------------------------------------------------------------------------
   4. Headline cascade — per-character rise on first view.
   -------------------------------------------------------------------------- */

.rnm-split {
  display: inline-block;
}

/* Depth lives on the heading so every character shares one vanishing point. */
.rnm-split-host {
  perspective: 620px;
}

.rnm-split__char {
  display: inline-block;
  opacity: 0;
  transform: translate3d(0, 0.55em, 0) rotateX(-58deg);
  transform-origin: 50% 100%;
  will-change: opacity, transform;
  transition:
    opacity 0.5s var(--rnm-ease-out),
    transform 0.72s var(--rnm-ease-spring);
  transition-delay: calc(var(--rnm-i, 0) * 22ms);
}

.rnm-split__word {
  display: inline-block;
  white-space: nowrap;
}

.is-rnm-in .rnm-split__char,
.rnm-split.is-rnm-in .rnm-split__char {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------------------
   5. Tilt cards — pointer-tracked 3D with a specular sheen.
   Two-class selectors so these land after the single-class hover rules
   already defined in app-polish.css / landing.css.
   -------------------------------------------------------------------------- */

.rnm-tilt {
  transform-style: preserve-3d;
  transition: transform 0.5s var(--rnm-ease-out), box-shadow 0.5s var(--rnm-ease-out);
}

.rnm-tilt.is-rnm-tracking {
  transition: transform 0.12s linear, box-shadow 0.4s var(--rnm-ease-out);
  transform:
    perspective(var(--rnm-depth, 900px))
    translate3d(var(--rn-magnet-x, 0px), calc(var(--rn-magnet-y, 0px) - 4px), 0)
    rotateX(var(--rnm-rx, 0deg))
    rotateY(var(--rnm-ry, 0deg))
    scale(1.012);
  box-shadow:
    0 24px 60px -28px rgba(6, 12, 20, 0.85),
    0 0 0 1px rgba(120, 200, 255, 0.14);
}

.rnm-tilt::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s var(--rnm-ease-out);
  background: radial-gradient(
    420px circle at var(--rnm-px) var(--rnm-py),
    rgba(160, 225, 255, 0.16),
    rgba(160, 225, 255, 0.05) 38%,
    transparent 62%
  );
  z-index: 2;
}

.rnm-tilt.is-rnm-tracking::after {
  opacity: 1;
}

/* Edge light that traces the pointer around the card border. */
.rnm-tilt::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.45s var(--rnm-ease-out);
  padding: 1px;
  background: radial-gradient(
    260px circle at var(--rnm-px) var(--rnm-py),
    rgba(120, 220, 255, 0.75),
    transparent 70%
  );
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite: exclude;
  z-index: 3;
}

.rnm-tilt.is-rnm-tracking::before {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   6. Buttons — shine sweep, spring press, spark burst.
   -------------------------------------------------------------------------- */

.rnm-shine {
  position: relative;
  overflow: hidden;
  transition: transform 0.32s var(--rnm-ease-spring), box-shadow 0.32s var(--rnm-ease-out),
    filter 0.32s var(--rnm-ease-out);
}

.rnm-shine > * {
  position: relative;
  z-index: 1;
}

.rnm-shine::after {
  content: '';
  position: absolute;
  top: -60%;
  bottom: -60%;
  left: -40%;
  width: 34%;
  pointer-events: none;
  z-index: 0;
  transform: translate3d(-260%, 0, 0) rotate(18deg);
  background: linear-gradient(
    100deg,
    transparent,
    rgba(255, 255, 255, 0.34),
    transparent
  );
  opacity: 0;
}

.rnm-shine.is-rnm-hover::after {
  animation: rnm-sweep 0.85s var(--rnm-ease-swift) forwards;
}

@keyframes rnm-sweep {
  0% { transform: translate3d(-260%, 0, 0) rotate(18deg); opacity: 0; }
  16% { opacity: 1; }
  100% { transform: translate3d(560%, 0, 0) rotate(18deg); opacity: 0; }
}

.rnm-shine.is-rnm-hover {
  transform: translate3d(0, -2px, 0);
  filter: brightness(1.06);
}

.rnm-shine.is-rnm-press {
  transform: translate3d(0, 1px, 0) scale(0.972);
  filter: brightness(0.97);
}

/* Spark burst fired from the click point. */
.rnm-spark {
  position: fixed;
  left: 0;
  top: 0;
  width: 6px;
  height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9997;
  will-change: transform, opacity;
  animation: rnm-spark-fly var(--rnm-spark-life, 620ms) var(--rnm-ease-out) forwards;
}

@keyframes rnm-spark-fly {
  0% {
    transform: translate3d(var(--rnm-sx0, 0px), var(--rnm-sy0, 0px), 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate3d(var(--rnm-sx1, 0px), var(--rnm-sy1, 0px), 0) scale(0.2);
    opacity: 0;
  }
}

/* --------------------------------------------------------------------------
   7. Media reveal — a clip wipe plus a light streak across screenshots.
   -------------------------------------------------------------------------- */

.rnm-wipe {
  position: relative;
  overflow: hidden;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.05s var(--rnm-ease-out);
}

.rnm-wipe.is-rnm-in {
  clip-path: inset(0 0 0 0);
}

.rnm-wipe img {
  transform: scale(1.08);
  transition: transform 1.4s var(--rnm-ease-out);
}

.rnm-wipe.is-rnm-in img {
  transform: scale(1);
}

.rnm-wipe::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background: linear-gradient(
    104deg,
    transparent 38%,
    rgba(180, 235, 255, 0.3) 50%,
    transparent 62%
  );
  transform: translate3d(-120%, 0, 0);
  opacity: 0;
}

.rnm-wipe.is-rnm-in::after {
  animation: rnm-streak 1.25s 0.28s var(--rnm-ease-swift) forwards;
}

@keyframes rnm-streak {
  0% { transform: translate3d(-120%, 0, 0); opacity: 0; }
  22% { opacity: 1; }
  100% { transform: translate3d(120%, 0, 0); opacity: 0; }
}

/* Idle float for hero art, nudged by scroll velocity. */
.rnm-float {
  animation: rnm-bob 9s ease-in-out infinite alternate;
}

@keyframes rnm-bob {
  from { transform: translate3d(0, -6px, 0) rotate(-0.25deg); }
  to { transform: translate3d(0, 8px, 0) rotate(0.25deg); }
}

/* --------------------------------------------------------------------------
   8. Chips, pills and nav — spring pop and travelling underline.
   -------------------------------------------------------------------------- */

.rnm-pop {
  transition: transform 0.34s var(--rnm-ease-spring), color 0.28s var(--rnm-ease-out),
    border-color 0.28s var(--rnm-ease-out), background-color 0.28s var(--rnm-ease-out);
}

.rnm-pop.is-rnm-hover {
  transform: translate3d(0, -2px, 0) scale(1.045);
}

.rnm-underline {
  position: relative;
}

.rnm-underline::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--rnm-blue), var(--rnm-cyan), var(--rnm-green));
  transform: scaleX(0);
  transform-origin: var(--rnm-origin, 0%) 50%;
  transition: transform 0.42s var(--rnm-ease-out);
}

.rnm-underline.is-rnm-hover::after,
.rnm-underline.is-current::after {
  transform: scaleX(1);
}

/* Breathing status dots. */
.rnm-pulse {
  position: relative;
}

.rnm-pulse::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  border: 1px solid currentColor;
  opacity: 0;
  animation: rnm-halo 2.8s var(--rnm-ease-out) infinite;
  pointer-events: none;
}

@keyframes rnm-halo {
  0% { transform: scale(0.9); opacity: 0.5; }
  70% { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* --------------------------------------------------------------------------
   9. Scroll-reactive section skew — very small, keyed off scroll velocity.
   -------------------------------------------------------------------------- */

.rnm-kinetic {
  transform: skewY(calc(var(--rnm-vel, 0) * 0.32deg));
  transition: transform 0.5s var(--rnm-ease-out);
  will-change: transform;
}

/* Section headings get a gradient sweep as you scroll past them. */
.rnm-gradient-text {
  background: linear-gradient(
    92deg,
    currentColor 0%,
    currentColor 30%,
    var(--rnm-cyan) 48%,
    var(--rnm-green) 56%,
    currentColor 74%,
    currentColor 100%
  );
  background-size: 260% 100%;
  background-position: calc(120% - var(--rnm-sweep, 0) * 140%) 0;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* --------------------------------------------------------------------------
   10. Page veil — a soft curtain on load and on internal navigation.
   -------------------------------------------------------------------------- */

.rnm-veil {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 1;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(24, 44, 68, 0.9), transparent 70%),
    var(--rn-bg, #070b10);
  transition: opacity 0.62s var(--rnm-ease-out);
}

.rnm-veil.is-rnm-clear {
  opacity: 0;
}

.rnm-veil.is-rnm-leaving {
  opacity: 1;
  transition-duration: 0.3s;
}

.rnm-veil__mark {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46px;
  height: 46px;
  margin: -23px 0 0 -23px;
  border-radius: 50%;
  border: 1px solid rgba(120, 210, 255, 0.5);
  border-top-color: rgba(75, 255, 165, 0.95);
  animation: rnm-spin 1.1s linear infinite;
  opacity: 0.85;
}

.rnm-veil.is-rnm-clear .rnm-veil__mark {
  opacity: 0;
  transition: opacity 0.3s var(--rnm-ease-out);
}

@keyframes rnm-spin {
  to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   11. Focus — keyboard users get the same flourish, without the pointer work.
   -------------------------------------------------------------------------- */

body[data-rn-modality='keyboard'] .rnm-shine:focus-visible,
body[data-rn-modality='keyboard'] .rnm-pop:focus-visible {
  transform: translate3d(0, -2px, 0) scale(1.03);
  outline-offset: 4px;
}

body[data-rn-modality='keyboard'] .rnm-cursor {
  opacity: 0 !important;
}

/* --------------------------------------------------------------------------
   12. Reduced motion — everything above collapses to a plain, static site.
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .rnm-aurora,
  .rnm-scan,
  .rnm-cursor,
  .rnm-veil,
  .rnm-spark {
    display: none !important;
  }

  [data-rnm-reveal],
  [data-rnm-reveal].is-rnm-in,
  .rnm-split__char,
  .rnm-wipe,
  .rnm-wipe img,
  .rnm-tilt,
  .rnm-tilt.is-rnm-tracking,
  .rnm-shine,
  .rnm-pop,
  .rnm-kinetic,
  .rnm-float {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    clip-path: none !important;
    animation: none !important;
    transition: none !important;
  }

  .rnm-tilt::before,
  .rnm-tilt::after,
  .rnm-shine::after,
  .rnm-wipe::after,
  .rnm-pulse::after {
    display: none !important;
  }

  .rnm-gradient-text {
    background: none;
    -webkit-text-fill-color: currentColor;
    color: inherit;
  }
}

/* Small screens: keep the atmosphere, drop the per-pointer work. */
@media (max-width: 720px) {
  .rnm-aurora.is-rnm-lit { opacity: 0.34; }
  .rnm-scan { display: none; }
  .rnm-tilt.is-rnm-tracking { transform: none; }
  .rnm-tilt::before { display: none; }
}