/* XECTRO homepage — procedural light field
   Only index.html loads this file. The field is Canvas 2D, not a bitmap. */

body.lightfield-home {
  background: #010203;
}

body.lightfield-home .site-header {
  padding-top: 18px;
  height: calc(var(--header-h) + 10px);
  align-items: flex-start;
  border-bottom: 0;
  background: transparent;
}

body.lightfield-home .site-header::before {
  display: none;
}

body.lightfield-home .brand-kind,
body.lightfield-home .clock,
body.lightfield-home .header-github {
  display: none;
}

body.lightfield-home .brand-word::after {
  content: ".";
  color: #dfeaf0;
}

body.lightfield-home .brand-mark circle {
  fill: #dfeaf0;
}

body.lightfield-home .site-nav {
  margin-left: auto;
  margin-right: clamp(18px, 3vw, 42px);
}

body.lightfield-home .site-nav a::after {
  background: #dfeaf0;
}

body.lightfield-home .menu-toggle {
  color: #dfeaf0;
}

body.lightfield-home .site-header.is-scrolled {
  background: rgba(1, 2, 3, .72);
  border-bottom-color: rgba(235, 243, 248, .1);
}

.hero--lightfield {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: #010203;
  isolation: isolate;
}

.hero--lightfield .lightfield-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: #010203;
}

.hero--lightfield .lightfield-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(1,2,3,.9) 0%, rgba(1,2,3,.52) 25%, rgba(1,2,3,.04) 57%, rgba(1,2,3,.26) 100%),
    linear-gradient(180deg, rgba(1,2,3,.62) 0%, transparent 22%, transparent 74%, #010203 100%);
}

.hero--lightfield .hero-content {
  position: relative;
  z-index: 2;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-h) + 4vh) var(--gutter) 0;
}

.lightfield-eyebrow {
  margin: 0;
  color: var(--muted);
  font: 9px/1.4 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.lightfield-eyebrow span { color: var(--faint); padding-left: 8px; }

.lightfield-main {
  width: min(100%, 820px);
  margin-top: auto;
  margin-bottom: auto;
  padding: clamp(42px, 8vh, 110px) 0 clamp(44px, 7vh, 90px);
}

.hero--lightfield h1 {
  max-width: 820px;
  margin: 0;
  color: #f1f5f7;
  font-size: clamp(4.6rem, 9.1vw, 10.4rem);
  font-weight: 500;
  letter-spacing: -.085em;
  line-height: .82;
  text-transform: none;
}
.hero--lightfield h1 span { display: block; }

.lightfield-sub {
  max-width: 350px;
  margin: 28px 0 0;
  color: #aab6bd;
  font-size: 13px;
  line-height: 1.85;
  letter-spacing: .02em;
}

.lightfield-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
  padding: 0 0 7px;
  border-bottom: 1px solid rgba(224, 238, 245, .62);
  color: #e6eef3;
  font: 10px/1 var(--mono);
  letter-spacing: .14em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .25s var(--ease), border-color .25s var(--ease), gap .25s var(--ease);
}
.lightfield-cta span {
  color: #c8d7df;
  font-size: 14px;
  line-height: .8;
  transition: transform .25s var(--ease);
}
.lightfield-cta:hover {
  color: #fff;
  border-color: #fff;
  gap: 19px;
}
.lightfield-cta:hover span { transform: translate(2px, -2px); }

.lightfield-foot {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 26px;
  align-items: center;
  margin-top: auto;
  padding: 16px 0 22px;
  border-top: 1px solid rgba(225, 238, 244, .16);
  color: #6f7d85;
  font: 8px/1.35 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.lightfield-foot .scroll-link { color: #98a7af; }
.lightfield-foot .scroll-line { background: #dfeaf0; }
.lightfield-foot .lightfield-work {
  color: #98a7af;
  text-decoration: none;
  transition: color .2s var(--ease);
}
.lightfield-foot .lightfield-work:hover { color: #f2f7f9; }
.lightfield-foot > :last-child { color: #59656c; }

/* Intro: only active after JS adds the class, so content remains readable without JS. */
body.lightfield-intro .site-header {
  opacity: 0;
  transform: translateY(-7px);
}
body.lightfield-intro .lightfield-eyebrow,
body.lightfield-intro .lightfield-main > *,
body.lightfield-intro .lightfield-foot {
  opacity: 0;
  transform: translateY(12px);
}
.site-header,
.lightfield-eyebrow,
.lightfield-main > *,
.lightfield-foot {
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.lightfield-eyebrow { transition-delay: .08s; }
.lightfield-main h1 { transition-delay: .16s; }
.lightfield-sub { transition-delay: .25s; }
.lightfield-cta { transition-delay: .34s; }
.lightfield-foot { transition-delay: .42s; }

@media (max-width: 980px) {
  body.lightfield-home .site-header {
    padding-top: 14px;
  }
  body.lightfield-home .site-nav {
    display: none;
  }
  body.lightfield-home .header-actions {
    margin-left: auto;
  }
  .hero--lightfield .hero-content {
    padding-top: calc(var(--header-h) + 2vh);
  }
  .lightfield-main {
    width: min(100%, 680px);
    padding-top: clamp(60px, 13vh, 135px);
    padding-bottom: 44px;
  }
  .hero--lightfield h1 {
    font-size: clamp(4rem, 13.7vw, 8.6rem);
  }
  .lightfield-sub {
    max-width: 310px;
    margin-top: 24px;
  }
}

@media (max-width: 600px) {
  .lightfield-eyebrow {
    font-size: 8px;
    letter-spacing: .12em;
  }
  .lightfield-main {
    padding-top: clamp(58px, 15vh, 112px);
    padding-bottom: 34px;
  }
  .hero--lightfield h1 {
    font-size: clamp(3.55rem, 16vw, 5.5rem);
    letter-spacing: -.09em;
  }
  .lightfield-sub {
    max-width: 270px;
    margin-top: 20px;
    font-size: 12px;
  }
  .lightfield-cta {
    margin-top: 22px;
  }
  .lightfield-foot {
    grid-template-columns: 1fr auto;
    gap: 12px 18px;
    font-size: 7px;
  }
  .lightfield-foot .lightfield-work {
    display: none;
  }
  .lightfield-foot > :last-child {
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.lightfield-intro .site-header,
  body.lightfield-intro .lightfield-eyebrow,
  body.lightfield-intro .lightfield-main > *,
  body.lightfield-intro .lightfield-foot {
    opacity: 1;
    transform: none;
  }
  .site-header,
  .lightfield-eyebrow,
  .lightfield-main > *,
  .lightfield-foot {
    transition: none;
  }
}