/* Loaded only on the homepage. The blocking clock script selects a scene
   before first paint; without a clock, neither celestial body is shown. */
.home-page .hero {
  background: linear-gradient(180deg, var(--home-sky-top, #071426), var(--home-sky-mid, #152940) 58%, var(--home-sky-horizon, #30475b));
}

.home-page .hero::before,
.home-page .hero-scene::before {
  content: none;
}

.home-page .hero::after {
  background: linear-gradient(90deg, rgba(3, 10, 22, .8), rgba(3, 10, 22, .35) 42%, transparent 65%),
    linear-gradient(0deg, #02070c, transparent 22%);
}

.home-page .hero-scene::after {
  z-index: 5;
  mix-blend-mode: normal;
  background: linear-gradient(0deg, #02070c, transparent 25%);
}

.home-page .hero-sky-depth {
  opacity: var(--home-stars-opacity, .85);
  transform: translate3d(0, var(--home-atmosphere-scroll-y, 0px), 0);
}

.home-page .hero-depth-haze {
  opacity: .38;
  transform: translate3d(0, var(--home-atmosphere-scroll-y, 0px), 0);
}

.home-page .hero-layer--foreground {
  filter: brightness(1.7) saturate(.75);
  transform: translate3d(0, var(--home-landscape-scroll-y, 0px), 0) scale(1.006);
}

.home-day-landscape {
  display: none;
  position: absolute;
  inset: 0;
  background: url('/assets/img/hero-landscape-day.webp') center bottom / cover no-repeat;
  transform: translate3d(0, var(--home-landscape-scroll-y, 0px), 0) scale(1.006);
  transform-origin: center bottom;
  filter: brightness(calc(.72 + var(--home-daylight, 1) * .28))
    saturate(calc(.8 + var(--home-daylight, 1) * .2))
    sepia(calc(var(--home-warmth, 0) * .25));
}

.home-celestial {
  position: absolute;
  z-index: 2;
  left: var(--home-celestial-x, 78%);
  top: clamp(245px, var(--home-celestial-y, 30%), 48%);
  width: clamp(190px, 26vw, 380px);
  aspect-ratio: 1;
  /* A slight upward drift keeps the light above the ridge during scrolling. */
  transform: translate3d(calc(-50% + var(--home-celestial-scroll-x, 0px)), calc(-50% - var(--home-celestial-scroll-y, 0px) * .35), 0);
  will-change: transform;
}

.home-sun,
.home-moon {
  display: none;
  position: absolute;
  inset: 0;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

html[data-home-celestial='sun'] .home-sun {
  display: block;
  background-image: url('/assets/img/hero-sun-880.webp');
  /* Fade the outer corona into the sky while keeping its textured disk. */
  -webkit-mask-image: radial-gradient(circle, #000 38%, rgba(0, 0, 0, .9) 45%, transparent 69%);
  mask-image: radial-gradient(circle, #000 38%, rgba(0, 0, 0, .9) 45%, transparent 69%);
  filter: brightness(calc(.96 + var(--home-daylight, 1) * .12));
}

html[data-home-celestial='moon'] .home-moon {
  display: block;
  background-image: url('/assets/img/hero-moon.webp');
  filter: drop-shadow(0 0 24px rgba(176, 211, 255, .28));
}

html[data-home-theme='light'] .home-day-landscape {
  display: block;
}

html[data-home-theme='light'] .home-page .hero-layer--foreground,
html[data-home-theme='light'] .home-page .hero-sky-depth {
  display: none;
}

html[data-home-theme='light'] .home-page .hero::after {
  /* A pale scrim behind the copy keeps contrast stable over sky and grass. */
  background: linear-gradient(0deg, #02070c, transparent 18%),
    linear-gradient(90deg, rgba(237, 247, 251, .98), rgba(237, 247, 251, .86) 34%, rgba(237, 247, 251, .22) 56%, transparent 68%);
}

html[data-home-theme='light'] .home-page .hero-depth-haze {
  background: linear-gradient(180deg, var(--home-sky-top), var(--home-sky-horizon));
  inset: 0;
  z-index: 1;
  opacity: calc(var(--home-warmth, 0) * .55);
  -webkit-mask-image: linear-gradient(#000 0%, #000 48%, transparent 76%);
  mask-image: linear-gradient(#000 0%, #000 48%, transparent 76%);
}

html[data-home-theme='light'] .home-page .hero-copy,
html[data-home-theme='light'] .home-page .hero-copy h1,
html[data-home-theme='light'] .home-page .micro-link,
html[data-home-theme='light'] .home-page .site-header,
html[data-home-theme='light'] .home-page .brand-mark,
html[data-home-theme='light'] .home-page .nav a,
html[data-home-theme='light'] .home-page .header-login {
  color: #142b3b;
}

html[data-home-theme='light'] .home-page .hero-copy p {
  color: #354d5e;
}

html[data-home-theme='light'] .home-page .hero-copy .accent {
  color: #176480;
}

html[data-home-theme='light'] .home-page .site-header .pill,
html[data-home-theme='light'] .home-page .icon-btn {
  background: rgba(247, 251, 253, .88);
  color: #142b3b;
  border-color: rgba(20, 43, 59, .3);
}

html[data-home-theme='light'] .home-page .nav-drop {
  background: #f7fbfd;
  border-color: #b5cbd7;
}

html[data-home-theme='light'] .home-page .site-header::before {
  content: '';
  position: absolute;
  inset: -12px -16px;
  z-index: -1;
  border-radius: 16px;
  background: rgba(237, 247, 251, .94);
  opacity: var(--home-warmth, 0);
  pointer-events: none;
}

@media (max-width: 900px) {
  .home-page .hero {
    height: 880px;
    min-height: 880px;
    max-height: none;
  }

  .home-page .hero-copy {
    top: 120px;
    left: 24px;
    width: min(calc(100% - 48px), 470px);
  }

  .home-page .hero-copy p {
    width: 100%;
  }

  .home-celestial {
    top: 59%;
    left: 76%;
    width: 170px;
  }

  .home-day-landscape {
    background-position: 59% bottom;
  }

  html[data-home-theme='light'] .home-page .hero::after {
    background: linear-gradient(0deg, #02070c, transparent 18%),
      linear-gradient(180deg, rgba(237, 247, 251, .98), rgba(237, 247, 251, .94) 47%, rgba(237, 247, 251, .15) 59%, transparent 70%);
  }

  html[data-home-theme='light'] .home-page .nav {
    background: #f7fbfd;
    border-color: #b5cbd7;
  }
}

@media (max-width: 380px) {
  .home-page .hero {
    height: 940px;
    min-height: 940px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-celestial,
  .home-day-landscape,
  .home-page .hero-layer--foreground,
  .home-page .hero-sky-depth,
  .home-page .hero-depth-haze {
    will-change: auto;
  }
}