:root {
  color-scheme: dark;
  --ink: #f4f8f7;
  --muted: rgba(235, 244, 241, 0.68);
  --line: rgba(255, 255, 255, 0.18);
  --accent: #56e3ba;
  --accent-deep: #149d82;
  --surface: #07131c;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background: var(--surface);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  overflow: hidden;
  grid-template-rows: auto 1fr auto;
  isolation: isolate;
  background:
    radial-gradient(circle at 72% 28%, rgba(35, 168, 139, 0.2), transparent 34%),
    linear-gradient(135deg, #081722, #061018 58%, #0a1b22);
}

.hero__video,
.hero__veil,
.hero__grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__video {
  z-index: -4;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06);
}

.hero__veil {
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(2, 11, 17, 0.88) 0%, rgba(3, 13, 19, 0.62) 48%, rgba(3, 11, 16, 0.34) 100%),
    linear-gradient(0deg, rgba(2, 9, 14, 0.7), transparent 48%, rgba(2, 9, 14, 0.35));
}

.hero__grid {
  z-index: -2;
  opacity: 0.09;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to right, black, transparent 82%);
}

.topbar,
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 32px clamp(24px, 5vw, 80px);
}

.topbar {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
}

.brand__mark {
  position: relative;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(86, 227, 186, 0.72);
  border-radius: 50%;
  transform: rotate(-24deg);
}

.brand__mark::before,
.brand__mark::after,
.brand__mark span {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: var(--accent);
}

.brand__mark::before {
  top: 6px;
  bottom: 6px;
  left: 10px;
  width: 5px;
}

.brand__mark::after {
  right: 8px;
  bottom: 7px;
  width: 12px;
  height: 5px;
}

.brand__mark span {
  top: 6px;
  right: 8px;
  width: 5px;
  height: 15px;
}

.brand__text {
  display: grid;
  line-height: 1;
}

.brand__text strong {
  letter-spacing: 0.13em;
  font-size: 1rem;
}

.brand__text small {
  margin-top: 6px;
  color: var(--muted);
  letter-spacing: 0.28em;
  font-size: 0.56rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.68rem;
}

.status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(86, 227, 186, 0.11);
  animation: pulse 2.4s ease-in-out infinite;
}

.content {
  align-self: center;
  width: min(760px, calc(100% - 48px));
  margin-left: clamp(24px, 9vw, 150px);
  padding: 56px 0 72px;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--accent);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-size: clamp(0.62rem, 1vw, 0.76rem);
  font-weight: 700;
}

h1 {
  margin: 0;
  max-width: 850px;
  letter-spacing: -0.055em;
  line-height: 0.97;
  font-size: clamp(3.3rem, 7.5vw, 7.7rem);
  font-weight: 650;
}

h1 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(244, 248, 247, 0.72);
}

.intro {
  max-width: 590px;
  margin: 30px 0 44px;
  color: var(--muted);
  line-height: 1.75;
  font-size: clamp(0.95rem, 1.4vw, 1.12rem);
}

.progress {
  width: min(520px, 100%);
}

.progress__line {
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.2);
}

.progress__line span {
  display: block;
  width: 42%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent));
  box-shadow: 0 0 18px rgba(86, 227, 186, 0.65);
}

.progress__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  color: rgba(244, 248, 247, 0.54);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.58rem;
}

.footer {
  color: rgba(244, 248, 247, 0.48);
  letter-spacing: 0.04em;
  font-size: 0.72rem;
}

.footer a {
  text-decoration: none;
}

.footer a:hover,
.footer a:focus-visible {
  color: var(--accent);
}

.sound {
  position: absolute;
  right: clamp(24px, 5vw, 80px);
  bottom: 78px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(4, 15, 21, 0.35);
  backdrop-filter: blur(12px);
  color: rgba(244, 248, 247, 0.72);
  cursor: pointer;
  font: inherit;
  font-size: 0.7rem;
}

.sound:hover,
.sound:focus-visible {
  border-color: rgba(86, 227, 186, 0.55);
  color: var(--accent);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.6;
    transform: scale(0.9);
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

@media (max-width: 720px) {
  .topbar,
  .footer {
    padding-right: 22px;
    padding-left: 22px;
  }

  .status {
    max-width: 125px;
    text-align: right;
  }

  .content {
    width: calc(100% - 44px);
    margin-left: 22px;
    padding: 72px 0 108px;
  }

  .intro {
    max-width: 92%;
  }

  .footer {
    align-items: flex-start;
    gap: 10px;
    flex-direction: column;
  }

  .sound {
    right: 22px;
    bottom: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__video {
    display: none;
  }

  .status i {
    animation: none;
  }
}