:root {
  --acid: #79d8ff;
  --green: #4aa8ff;
  --ink: #020716;
  --milk: #eef8ff;
  --glass: rgba(8, 20, 42, 0.48);
  --line: rgba(146, 217, 255, 0.55);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--ink);
  color: var(--milk);
  font-family: "Manrope", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(circle at 54% 58%, rgba(70, 164, 255, 0.14), transparent 20%),
    radial-gradient(circle at 20% 90%, rgba(170, 230, 255, 0.11), transparent 20%),
    linear-gradient(90deg, rgba(170,220,255,0.06) 1px, transparent 1px),
    linear-gradient(rgba(170,220,255,0.04) 1px, transparent 1px);
  background-size: auto, auto, 80px 80px, 80px 80px;
  mix-blend-mode: screen;
  opacity: 0.42;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  opacity: 0.1;
}

.stage {
  position: relative;
  width: 100vw;
  height: 100vh;
  min-height: 640px;
  isolation: isolate;
  background:
    radial-gradient(circle at 52% 54%, rgba(50, 138, 255, 0.16), transparent 28%),
    radial-gradient(circle at 50% 8%, rgba(220, 248, 255, 0.14), transparent 34%),
    linear-gradient(145deg, #020716 0%, #07152c 46%, #01040d 100%);
}

#scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  cursor: grab;
}

#scene.is-hovering {
  cursor: pointer;
}

.scan-corner {
  position: absolute;
  z-index: 4;
  width: 26px;
  height: 26px;
  border-color: var(--acid);
  filter: drop-shadow(0 0 10px rgba(121, 216, 255, 0.58));
}

.corner-a {
  top: 7.6vh;
  left: 7.8vw;
  border-top: 9px solid;
  border-left: 9px solid;
}

.corner-b {
  top: 7.6vh;
  right: 7.8vw;
  border-top: 9px solid;
  border-right: 9px solid;
}

.brand {
  position: absolute;
  left: 7vw;
  top: 42vh;
  z-index: 4;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: "Anton", sans-serif;
  font-size: clamp(3.6rem, 7vw, 7.8rem);
  line-height: 0.82;
  letter-spacing: -0.08em;
  text-transform: lowercase;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 0 22px rgba(255, 255, 255, 0.28);
}

.hero-card {
  position: absolute;
  top: 25vh;
  right: 7.6vw;
  z-index: 4;
  width: min(30vw, 330px);
  min-width: 250px;
  padding: 42px 38px 38px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.1), transparent 46%),
    var(--glass);
  box-shadow:
    inset 0 1px 24px rgba(255, 255, 255, 0.08),
    0 28px 80px rgba(0, 0, 0, 0.44),
    0 0 30px rgba(121, 216, 255, 0.12);
  backdrop-filter: blur(18px) saturate(125%);
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(circle at 20% 12%, rgba(121, 216, 255, 0.2), transparent 32%);
  pointer-events: none;
}

.arrow {
  display: block;
  width: max-content;
  margin-bottom: 18px;
  color: var(--acid);
  font-size: 3rem;
  line-height: 0.8;
  text-shadow: 0 0 18px rgba(121, 216, 255, 0.42);
}

.hero-card p,
.hero-card h1 {
  position: relative;
  z-index: 1;
  margin: 0;
  letter-spacing: -0.08em;
}

.hero-card p {
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 0.98;
  font-weight: 500;
}

.hero-card h1 {
  margin-top: 22px;
  color: var(--acid);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  line-height: 0.94;
  font-weight: 800;
  text-shadow: 0 0 18px rgba(121, 216, 255, 0.32);
}

.cta {
  position: absolute;
  left: 7.5vw;
  right: 7.5vw;
  bottom: 7vh;
  z-index: 4;
  display: grid;
  grid-template-columns: 1fr minmax(180px, 46%);
  height: 58px;
  align-items: center;
  border: 3px solid var(--acid);
  border-radius: 999px;
  overflow: hidden;
  color: var(--milk);
  text-decoration: none;
  background: rgba(1, 4, 2, 0.75);
  box-shadow:
    0 0 14px rgba(121, 216, 255, 0.28),
    inset 0 0 18px rgba(121, 216, 255, 0.1);
  backdrop-filter: blur(8px);
}

.cta span {
  padding-left: 28px;
  font-size: clamp(1.1rem, 2.2vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  text-shadow: 0 2px 0 rgba(0,0,0,0.7);
}

.cta strong {
  display: grid;
  height: 100%;
  place-items: center end;
  padding-right: 18px;
  border-radius: 999px 0 0 999px;
  background: linear-gradient(90deg, #dff7ff, #4aa8ff);
  color: #021124;
  font-size: 2.5rem;
  font-weight: 500;
  transition: filter 180ms ease, transform 180ms ease;
}

.cta:hover strong {
  filter: brightness(1.08) drop-shadow(0 0 12px rgba(121, 216, 255, 0.48));
  transform: translateX(4px);
}

@media (max-width: 760px) {
  .stage {
    min-height: 720px;
  }

  .brand {
    left: 5vw;
    top: 38vh;
    font-size: 4rem;
  }

  .hero-card {
    top: 13vh;
    right: 5vw;
    width: 58vw;
    min-width: 220px;
    padding: 30px 28px;
  }

  .cta {
    left: 5vw;
    right: 5vw;
    bottom: 5vh;
    height: 52px;
    grid-template-columns: 1fr 36%;
  }

  .cta span {
    padding-left: 18px;
    font-size: 1rem;
  }
}