:root {
  --bg: #02050d;
  --text: #f7fbff;
  --muted: #aab4c2;
  --red: #c8101c;
  --blue: #4ebcff;
  --cyan: #25d9e8;
  --violet: #8c5cff;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  font-family: "Segoe UI", Inter, Arial, sans-serif;
  letter-spacing: 0;
  background: var(--bg);
}

.site-header {
  position: absolute;
  z-index: 10;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  text-decoration: none;
}

.brand-logo {
  position: relative;
  display: block;
  width: clamp(220px, 30vw, 420px);
  max-width: 100%;
}

.brand-full {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 12px 28px rgba(0,0,0,.62));
}

.brand-gears {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: .94;
  shape-rendering: geometricPrecision;
}

.brand-gear-cover,
.brand-gear-hole {
  fill: rgb(117, 122, 128);
}

.brand-gear {
  fill: rgba(2,5,13,.84);
  transform-box: fill-box;
  transform-origin: center;
}

.brand-gear-large {
  animation: brandGearClock 28s linear infinite;
}

.brand-gear-medium {
  animation: brandGearCounter 22s linear infinite;
}

.brand-gear-small {
  animation: brandGearCounter 18s linear infinite;
}

@keyframes brandGearClock {
  to {
    transform: rotate(360deg);
  }
}

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

main {
  width: 100%;
}

.hero {
  min-height: 100vh;
  min-height: 100svh;
}

.hero-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background-image:
    linear-gradient(to bottom, rgba(2,5,13,.28), rgba(2,5,13,.03) 34%, rgba(2,5,13,.42) 100%),
    radial-gradient(circle at 50% 50%, rgba(4,8,18,.22), transparent 20rem),
    url("/assets/hero-crystal-network.webp");
  background-size: cover;
  background-position: center;
}

.hero-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, rgba(2,5,13,.08), rgba(2,5,13,.38) 52%, rgba(2,5,13,.78) 100%),
    linear-gradient(90deg, rgba(2,5,13,.34), transparent 24%, transparent 76%, rgba(2,5,13,.34));
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .86;
  pointer-events: none;
}

.hero-stage::after {
  content: "";
  position: absolute;
  z-index: 3;
  width: min(860px, 82vw);
  height: min(250px, 32vh);
  border-radius: 999px;
  background: radial-gradient(ellipse at center, rgba(2,7,18,.68), rgba(2,7,18,.26) 55%, transparent 76%);
  filter: blur(4px);
}

.crystal-motion {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: .58;
  mix-blend-mode: screen;
}

.comeback {
  position: relative;
  z-index: 5;
  max-width: min(1060px, calc(100vw - 40px));
  margin: 0;
  color: var(--text);
  font-size: clamp(44px, 7vw, 92px);
  line-height: 1.03;
  font-weight: 720;
  text-align: center;
  text-shadow:
    0 0 18px rgba(78,188,255,.32),
    0 18px 52px rgba(0,0,0,.86);
}

.motion-fragments {
  display: none;
}

.motion-fragments span {
  position: absolute;
  left: var(--left);
  top: var(--top);
  width: var(--size);
  height: calc(var(--size) * .62);
  opacity: var(--opacity);
  clip-path: polygon(12% 48%, 48% 0, 100% 44%, 56% 100%);
  background:
    linear-gradient(135deg, rgba(255,255,255,.86), rgba(78,188,255,.52) 34%, rgba(140,92,255,.42) 70%, rgba(12,23,44,.18)),
    linear-gradient(45deg, transparent 42%, rgba(255,255,255,.92) 48%, transparent 56%);
  box-shadow:
    0 0 12px rgba(78,188,255,.22),
    inset 0 0 8px rgba(255,255,255,.26);
  transform: translate3d(0,0,0) rotate(var(--rotate));
  animation: fragmentDrift var(--dur) ease-in-out infinite;
  animation-delay: var(--delay);
  mix-blend-mode: screen;
}

.motion-fragments span:nth-child(1) { --left: 15%; --top: 20%; --size: 42px; --rotate: 18deg; --dur: 28s; --delay: -1s; --opacity: .22; }
.motion-fragments span:nth-child(2) { --left: 25%; --top: 67%; --size: 30px; --rotate: -26deg; --dur: 25s; --delay: -3s; --opacity: .18; }
.motion-fragments span:nth-child(3) { --left: 36%; --top: 27%; --size: 20px; --rotate: 38deg; --dur: 26s; --delay: -2s; --opacity: .20; }
.motion-fragments span:nth-child(4) { --left: 56%; --top: 21%; --size: 36px; --rotate: -12deg; --dur: 31s; --delay: -4s; --opacity: .18; }
.motion-fragments span:nth-child(5) { --left: 71%; --top: 31%; --size: 26px; --rotate: 32deg; --dur: 27s; --delay: -5s; --opacity: .20; }
.motion-fragments span:nth-child(6) { --left: 78%; --top: 64%; --size: 44px; --rotate: -38deg; --dur: 34s; --delay: -6s; --opacity: .18; }
.motion-fragments span:nth-child(7) { --left: 48%; --top: 76%; --size: 22px; --rotate: 20deg; --dur: 29s; --delay: -7s; --opacity: .16; }
.motion-fragments span:nth-child(8) { --left: 19%; --top: 48%; --size: 24px; --rotate: -44deg; --dur: 26s; --delay: -2.5s; --opacity: .16; }
.motion-fragments span:nth-child(n+9) { display: none; }

@keyframes fragmentDrift {
  0%, 100% {
    transform: translate3d(0,0,0) rotate(var(--rotate)) scale(1);
  }
  25% {
    transform: translate3d(8px, -10px, 0) rotate(calc(var(--rotate) + 4deg)) scale(1.04);
  }
  50% {
    transform: translate3d(-8px, 12px, 0) rotate(calc(var(--rotate) - 3deg)) scale(.96);
  }
  75% {
    transform: translate3d(6px, 8px, 0) rotate(calc(var(--rotate) + 5deg)) scale(1.02);
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (max-width: 720px) {
  .site-header {
    width: min(100% - 28px, 1180px);
    padding-top: 16px;
  }

  .brand-logo {
    width: min(290px, calc(100vw - 48px));
  }

  .hero-stage {
    min-height: 100svh;
    background-position: center;
  }

  .hero-stage::after {
    width: 92vw;
    height: 180px;
  }

  .comeback {
    max-width: min(560px, calc(100vw - 34px));
    font-size: clamp(38px, 12vw, 58px);
    text-wrap: balance;
  }

  .motion-fragments span {
    width: calc(var(--size) * .72);
    height: calc(var(--size) * .46);
  }
}

@media (min-width: 430px) and (max-width: 720px) {
  .site-header {
    width: min(100% - 32px, 1180px);
    padding-top: 18px;
  }

  .brand-logo {
    width: clamp(272px, 46vw, 330px);
  }

  .hero-stage::after {
    width: min(700px, 88vw);
    height: min(210px, 26vh);
  }

  .comeback {
    max-width: calc(100vw - 28px);
    font-size: clamp(40px, 8.4vw, 58px);
    white-space: nowrap;
  }
}

@media (min-width: 640px) and (max-width: 920px) and (min-height: 640px) {
  .site-header {
    width: min(100% - 48px, 1180px);
    padding-top: 22px;
  }

  .brand-logo {
    width: clamp(310px, 42vw, 360px);
  }

  .hero-stage::after {
    width: min(740px, 78vw);
    height: min(230px, 28vh);
  }

  .comeback {
    max-width: min(760px, calc(100vw - 56px));
    font-size: clamp(56px, 7.2vw, 66px);
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-gear,
  .motion-fragments span {
    animation: none;
  }

  .crystal-motion {
    display: none;
  }
}