@font-face {
  font-family: "United Sans Cond";
  src: url("../assets/fonts/united-sans-cond/UnitedSansCond-Heavy.otf") format("opentype");
  font-style: normal;
  font-weight: 900;
  font-display: swap;
}

@font-face {
  font-family: "United Sans Cond";
  src: url("../assets/fonts/united-sans-cond/UnitedSansCond-Bold.otf") format("opentype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --x: 50vw;
  --y: 50vh;
  --spot-radius: clamp(130px, 17vmin, 220px);
  --spot-active: 0;
  --panel-gap: clamp(7px, 0.85vw, 13px);
  --panel-x: 50%;
  --panel-y: 50%;
  --page-pad: clamp(12px, 1.6vw, 24px);
  --blue: #003057;
  --paper: #f6f6f4;
  --ink: #0b0b0c;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  background: var(--ink);
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  color: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  overscroll-behavior: none;
}

.signal-page {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  isolation: isolate;
  touch-action: none;
  cursor: crosshair;
  background:
    radial-gradient(circle at 50% 44%, rgba(255, 255, 255, 0.018), transparent 34%),
    #0b0b0c;
}

/*
  The grid borrows the core trick from the reference CodePen:
  a radial gradient is clipped to each panel's border. JavaScript maps
  the global pointer position into local panel coordinates so the effect
  also works reliably in iPhone Safari, where background-attachment: fixed
  can be inconsistent.
*/
.panel-grid {
  position: absolute;
  z-index: 1;
  inset:
    max(var(--page-pad), env(safe-area-inset-top))
    max(var(--page-pad), env(safe-area-inset-right))
    max(var(--page-pad), env(safe-area-inset-bottom))
    max(var(--page-pad), env(safe-area-inset-left));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: var(--panel-gap);
}

.signal-panel {
  --panel-active: 0;
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border-radius: clamp(9px, 0.8vw, 14px);
  background: rgba(255, 255, 255, 0.026);
}

.signal-panel::before,
.signal-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Local pool of light inside the panel under the pointer. */
.signal-panel::after {
  background:
    radial-gradient(
      circle var(--spot-radius) at var(--panel-x) var(--panel-y),
      rgba(255, 255, 255, 0.13),
      rgba(255, 255, 255, 0.045) 42%,
      transparent 72%
    );
  opacity: calc(var(--spot-active) * var(--panel-active));
  transition: opacity 150ms ease;
}

/* Bright edge highlight, matching the CodePen's masked border idea. */
.signal-panel::before {
  z-index: 2;
  padding: 1px;
  border-radius: inherit;
  background:
    radial-gradient(
      circle var(--spot-radius) at var(--panel-x) var(--panel-y),
      rgba(255, 255, 255, 0.92),
      rgba(255, 255, 255, 0.32) 38%,
      transparent 70%
    );
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: var(--spot-active);
}

.signal-panel:hover,
.signal-panel.is-touch-active {
  --panel-active: 1;
}

.brand-layer {
  position: absolute;
  z-index: 3;
  inset: 0;
  display: grid;
  place-items: center;
  padding:
    max(42px, env(safe-area-inset-top))
    clamp(24px, 5vw, 72px)
    max(54px, env(safe-area-inset-bottom));
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
}

.brand-lockup {
  width: min(78vw, 620px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.brand-layer--ghost {
  opacity: 0.075;
  filter: grayscale(1) brightness(0.78);
}

/*
  A second copy of the brand is visible only inside the moving spotlight.
  This is what makes the logo/message feel discovered rather than simply lit.
*/
.brand-layer--lit {
  z-index: 4;
  -webkit-mask-image:
    radial-gradient(
      circle calc(var(--spot-radius) * 1.08) at var(--x) var(--y),
      #000 0%,
      #000 36%,
      rgba(0, 0, 0, 0.92) 52%,
      rgba(0, 0, 0, 0.38) 72%,
      transparent 100%
    );
  mask-image:
    radial-gradient(
      circle calc(var(--spot-radius) * 1.08) at var(--x) var(--y),
      #000 0%,
      #000 36%,
      rgba(0, 0, 0, 0.92) 52%,
      rgba(0, 0, 0, 0.38) 72%,
      transparent 100%
    );
  opacity: var(--spot-active);
}

.eyebrow,
.domain {
  margin: 0;
  font-family: "United Sans Cond", Impact, sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}

.eyebrow {
  margin-bottom: clamp(12px, 2vh, 20px);
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(0.74rem, 1.25vw, 0.95rem);
}

.jsr-logo {
  display: block;
  width: min(48vw, 300px);
  height: auto;
  max-height: min(42vh, 300px);
  object-fit: contain;
  filter: drop-shadow(0 0 32px rgba(255, 255, 255, 0.08));
}

h1 {
  margin: clamp(32px, 5vh, 50px) 0 6px;
  color: #fff;
  font-family: "United Sans Cond", Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(3.9rem, 9vw, 7.8rem);
  font-weight: 900;
  line-height: 0.8;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  white-space: nowrap;
}

.domain {
  color: var(--blue);
  font-size: clamp(0.75rem, 1.25vw, 0.98rem);
}

.cursor-light {
  position: absolute;
  z-index: 5;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(
      circle calc(var(--spot-radius) * 0.48) at var(--x) var(--y),
      rgba(255, 255, 255, 0.075),
      rgba(255, 255, 255, 0.024) 48%,
      transparent 100%
    );
  opacity: var(--spot-active);
}

.interaction-hint {
  position: absolute;
  z-index: 6;
  left: 50%;
  bottom: max(25px, calc(env(safe-area-inset-bottom) + 9px));
  transform: translateX(-50%);
  margin: 0;
  width: max-content;
  max-width: 84vw;
  color: rgba(255, 255, 255, 0.36);
  font-family: "United Sans Cond", Impact, sans-serif;
  font-size: clamp(0.66rem, 0.9vw, 0.8rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-align: center;
  pointer-events: none;
  transition: opacity 260ms ease, transform 260ms ease;
}

.signal-page.has-interacted .interaction-hint {
  opacity: 0;
  transform: translate(-50%, 5px);
}

.touch-hint {
  display: none;
}

@media (hover: none), (pointer: coarse) {
  :root {
    --spot-radius: clamp(105px, 32vw, 155px);
  }

  .signal-page {
    cursor: auto;
  }

  .panel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(4, minmax(0, 1fr));
  }

  .signal-panel:nth-child(9) {
    display: none;
  }

  .desktop-hint {
    display: none;
  }

  .touch-hint {
    display: inline;
  }

  .brand-lockup {
    width: min(86vw, 460px);
  }

  .jsr-logo {
    width: min(54vw, 245px);
    max-height: 34vh;
  }

  h1 {
    font-size: clamp(3.8rem, 18vw, 6.8rem);
  }
}

@media (max-height: 650px) {
  .jsr-logo {
    width: min(34vw, 205px);
    max-height: 31vh;
  }

h1 {
  margin: clamp(32px, 5vh, 50px) 0 6px;
}

  .eyebrow {
    margin-bottom: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .signal-panel::after,
  .interaction-hint {
    transition: none;
  }
}