:root {
  color-scheme: dark;
  --cyan: #56eaff;
  --blue: #287cff;
  --violet: #9d56ff;
  --pink: #ff4ab6;
  --official-pink: #f24c91;
  --ink: #1f1f1f;
  --text: #f7fbff;
  --soft: #c9d8f7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100svh;
  overflow-x: hidden;
  background: #030510;
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 82px;
  padding: 12px clamp(18px, 5vw, 60px);
  background: linear-gradient(180deg, rgba(3, 5, 16, 0.42), rgba(3, 5, 16, 0));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: none;
  backdrop-filter: blur(4px);
}

.header-logo {
  width: clamp(86px, 10vw, 122px);
  filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.34));
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: 126px 16px 34px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  width: min(36vw, 440px);
  height: min(28vh, 260px);
  pointer-events: none;
  background: radial-gradient(
    ellipse at 30% 76%,
    rgba(3, 5, 16, 1) 0%,
    rgba(3, 5, 16, 0.98) 34%,
    rgba(3, 5, 16, 0.82) 50%,
    rgba(3, 5, 16, 0.42) 66%,
    rgba(3, 5, 16, 0) 84%
  );
}

.hero-video,
.hero-shade,
.scanline {
  position: absolute;
  inset: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.72) saturate(1.18) contrast(1.04);
}

.hero-shade {
  background:
    radial-gradient(circle at 72% 36%, rgba(242, 76, 145, 0.22), transparent 30%),
    radial-gradient(circle at 20% 24%, rgba(86, 234, 255, 0.13), transparent 26%),
    linear-gradient(90deg, rgba(15, 15, 18, 0.88), rgba(15, 15, 18, 0.36), rgba(15, 15, 18, 0.72));
}

.scanline {
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(rgba(255,255,255,0.035) 50%, rgba(0,0,0,0.035) 50%);
  background-size: 100% 4px;
  mix-blend-mode: overlay;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: min(1160px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  animation: intro 700ms ease both;
}

.hero-copy {
  max-width: 650px;
}

.hero-preview {
  width: min(640px, 100%);
  justify-self: center;
  padding: 8px;
  border: 2px solid rgba(255, 255, 255, 0.78);
  background: rgba(31, 31, 31, 0.78);
  box-shadow: 12px 12px 0 rgba(242, 76, 145, 0.78), 0 26px 70px rgba(0, 0, 0, 0.48);
  border-radius: 4px;
}

.hero-preview img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid rgba(31, 31, 31, 0.8);
  filter: saturate(1.08) contrast(1.02) brightness(1.02);
  transition: opacity 420ms ease, transform 420ms ease;
  clip-path: polygon(16px 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
}

.hero-preview img.is-switching {
  opacity: 0;
  transform: scale(1.03);
}

.tag {
  margin: 0 0 10px;
  color: #ffffff;
  font-family: "Arial Narrow", "Segoe UI", sans-serif;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  text-shadow: 2px 2px 0 rgba(242, 76, 145, 0.8), 0 0 16px rgba(86, 234, 255, 0.42);
}

h1 {
  max-width: 680px;
  margin: 0;
  font-family: "Arial Narrow", "Segoe UI", sans-serif;
  font-size: clamp(2.8rem, 9vw, 4.8rem);
  line-height: 0.9;
  text-transform: uppercase;
  color: #ffffff;
  background-image: linear-gradient(100deg, #ffffff 0%, #ffffff 42%, #56eaff 64%, #f24c91 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 3px 3px 0 rgba(242, 76, 145, 0.78), 0 0 24px rgba(255, 255, 255, 0.14);
}

.description {
  max-width: 560px;
  margin: 18px 0 0;
  color: #f2f3f7;
  font-size: clamp(1rem, 4vw, 1.22rem);
  line-height: 1.55;
}

.cta {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: min(100%, 360px);
  min-height: 70px;
  margin-top: 30px;
  padding: 20px 36px;
  color: #ffffff;
  background: var(--ink);
  border: 3px solid #ffffff;
  box-shadow: 7px 7px 0 var(--official-pink), 0 0 30px rgba(242, 76, 145, 0.45);
  border-radius: 999px;
  clip-path: none;
  font-family: "Arial Narrow", "Segoe UI", sans-serif;
  font-size: clamp(1.25rem, 4vw, 1.55rem);
  font-weight: 900;
  letter-spacing: 0;
  text-decoration: none;
  text-transform: uppercase;
  animation: ctaPulse 1.45s ease-in-out infinite;
  transition: transform 180ms ease, filter 180ms ease;
}

.cta::before {
  content: "";
  position: absolute;
  inset: -40% auto -40% -70%;
  width: 48%;
  background: linear-gradient(90deg, transparent, rgba(86, 234, 255, 0.8), transparent);
  transform: skewX(-18deg);
  animation: shine 2.2s ease-in-out infinite;
}

.cta::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 999px;
}

.cta:hover {
  transform: translateY(-3px) scale(1.03);
  filter: brightness(1.12);
}

.platform-note {
  width: min(100%, 360px);
  margin: 14px 0 0;
  color: #ffffff;
  font-family: "Arial Narrow", "Segoe UI", sans-serif;
  font-size: 0.95rem;
  font-weight: 800;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 2px 2px 0 rgba(242, 76, 145, 0.7), 0 0 14px rgba(86, 234, 255, 0.35);
}

@keyframes intro {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ctaPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 7px 7px 0 var(--official-pink), 0 0 30px rgba(242, 76, 145, 0.45);
  }
  50% {
    transform: scale(1.04);
    box-shadow: 11px 11px 0 var(--official-pink), 0 0 46px rgba(86, 234, 255, 0.48), 0 0 76px rgba(242, 76, 145, 0.55);
  }
}

@keyframes shine {
  0% { left: -70%; }
  48%, 100% { left: 125%; }
}

@media (max-width: 520px) {
  .hero {
    align-items: end;
    padding-top: 104px;
    padding-bottom: 34px;
  }

  h1 {
    font-size: clamp(2.65rem, 14vw, 4.4rem);
  }

  .cta {
    width: 100%;
  }
}

@media (min-width: 860px) {
  .hero-content {
    grid-template-columns: minmax(0, 0.9fr) minmax(440px, 640px);
  }

  .hero-preview {
    justify-self: end;
  }
}