:root {
  --bg: #030303;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.62);
  --faint: rgba(255, 255, 255, 0.1);
  --panel: rgba(255, 255, 255, 0.035);
  --line: rgba(255, 255, 255, 0.12);
  --max: 1180px;
  --pad: clamp(1rem, 3vw, 2rem);
  --font: Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.45;
  text-rendering: optimizeLegibility;
}

img,
video {
  max-width: 100%;
}

a:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 5;
  width: 100%;
  padding: clamp(1rem, 2.6vw, 1.7rem) clamp(0.85rem, 3.5vw, 3rem);
  pointer-events: none;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  pointer-events: auto;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(0.72rem, 1.1vw, 0.86rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 180ms ease, opacity 180ms ease;
}

.site-nav a:hover {
  color: #ffffff;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  background: #050505;
}

.video-mount,
.background-video,
.fallback-visual,
.video-overlay {
  position: absolute;
  inset: 0;
}

.video-mount {
  z-index: -3;
  overflow: hidden;
  background: #050505;
}

.background-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.fallback-visual {
  background:
    radial-gradient(circle at 50% 44%, rgba(255, 255, 255, 0.16), transparent 28%),
    linear-gradient(140deg, rgba(255, 255, 255, 0.08), transparent 32%),
    linear-gradient(180deg, #111111 0%, #050505 48%, #000000 100%);
}

.scanline {
  position: absolute;
  inset: -10%;
  opacity: 0.24;
  background-image: repeating-linear-gradient(
    0deg,
    transparent 0,
    transparent 6px,
    rgba(255, 255, 255, 0.04) 7px,
    transparent 8px
  );
  animation: drift 14s linear infinite;
}

.light-pulse {
  position: absolute;
  width: 34vw;
  aspect-ratio: 1;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.15;
  background: #ffffff;
}

.light-pulse-a {
  top: 15%;
  left: 8%;
}

.light-pulse-b {
  right: 7%;
  bottom: 8%;
  opacity: 0.1;
}

.video-overlay {
  z-index: -1;
  background:
    radial-gradient(circle at 50% 44%, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.68) 58%, rgba(0, 0, 0, 0.92) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.68), rgba(0, 0, 0, 0.22) 42%, rgba(0, 0, 0, 0.78));
  pointer-events: none;
}

.hero-center {
  width: min(100%, 860px);
  padding: var(--pad);
  display: grid;
  justify-items: center;
  text-align: center;
}

.hero-logo {
  display: block;
  width: clamp(95px, 14vw, 215px);
  height: auto;
  user-select: none;
}

.hero-tagline {
  margin: clamp(1.8rem, 4vh, 2.8rem) 0 0;
  color: #ffffff;
  font-family: Helvetica, Arial, sans-serif;
  font-size: clamp(1.05rem, 2vw, 1.85rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  transform: scaleY(1.2);
  transform-origin: center;
}

.copy-cut {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 22rem),
    #030303;
  padding: clamp(4rem, 9vw, 8rem) var(--pad);
}

.copy-shell {
  width: min(var(--max), 100%);
  margin-inline: auto;
}

.copy-intro {
  max-width: 760px;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.eyebrow,
.copy-label {
  margin: 0 0 0.8rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 12ch;
  color: var(--text);
  font-size: clamp(2.4rem, 8vw, 6.6rem);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: 0;
  text-transform: uppercase;
}

.copy-intro p:not(.eyebrow) {
  max-width: 58ch;
  margin: 1.15rem 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
}

.copy-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.copy-group {
  min-height: 18rem;
  background: #070707;
  padding: clamp(1rem, 2vw, 1.4rem);
}

.copy-group ul {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.copy-group li {
  margin: 0;
  border-top: 1px solid var(--faint);
  padding-top: 0.68rem;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(0.95rem, 1.2vw, 1.08rem);
}

@keyframes drift {
  to {
    transform: translateY(20px);
  }
}

@media (max-width: 820px) {
  .hero-logo {
    width: clamp(85px, 27vw, 150px);
  }

  .copy-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding: 1rem 0.85rem 0;
  }

  .site-nav a {
    font-size: clamp(0.6rem, 2.8vw, 0.68rem);
    letter-spacing: 0.07em;
  }

  .hero-tagline {
    font-size: clamp(0.95rem, 5vw, 1.35rem);
  }

  h1 {
    font-size: clamp(2.1rem, 14vw, 4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .background-video {
    display: none;
  }
}
