:root {
  color-scheme: dark;

  --bg: #07111f;
  --panel: rgba(11, 20, 39, 0.72);
  --panel-border: rgba(255, 255, 255, 0.14);

  --text: #f5f7ff;
  --muted: rgba(245, 247, 255, 0.72);

  /* Primary accent (main UI color) */
  --accent: #4da3ff;

  /* Secondary (glow / highlights) */
  --accent-2: #31d5ff;

  /* Third accent (replacing pink with deep electric purple/blue) */
  --accent-3: #5b6bff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at top, #12203a 0%, var(--bg) 42%, #050a14 100%);
  color: var(--text);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
}

body {
  overflow: hidden;
}

::selection {
  background: rgba(49, 213, 255, 0.3);
}

.page-shell {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
  overflow: hidden;
}

.gif-layer {
  position: absolute;
  inset: 0;
  z-index: -5;
}

.gif-layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.2) contrast(1.08) brightness(0.48);
  transform: scale(1.03);
}

.noise {
  position: absolute;
  inset: 0;
  z-index: -3;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 100% 4px, 4px 100%;
  mix-blend-mode: soft-light;
}

.page-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -4;
  background:
    linear-gradient(180deg, rgba(7, 17, 31, 0.45) 0%, rgba(7, 17, 31, 0.76) 38%, rgba(4, 10, 20, 0.9) 100%),
    linear-gradient(90deg, rgba(4, 10, 20, 0.84) 0%, rgba(4, 10, 20, 0.42) 40%, rgba(4, 10, 20, 0.7) 100%);
}

.glow {
  position: absolute;
  z-index: -2;
  border-radius: 999px;
  filter: blur(60px);
  opacity: 0.4;
}

.glow-a {
  width: 22rem;
  height: 22rem;
  top: 8%;
  right: 8%;
  background: rgba(49, 213, 255, 0.22);
}

.glow-b {
  width: 20rem;
  height: 20rem;
  bottom: 2%;
  left: 10%;
  background: rgba(124, 92, 255, 0.26);
}

.topbar {
  display: flex;
  justify-content: flex-end;
  padding: 1.5rem 2rem 0;
}

.brand {
  font-family: "Sora", system-ui, sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.07em;
}

.hero {
  min-height: calc(100vh - 4rem);
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 420px);
  align-items: end;
  gap: 2rem;
  padding: 3rem 2rem 2.5rem;
}

.hero-copy {
  max-width: 900px;
  padding-bottom: 4vh;
}

.eyebrow {
  margin: 0 0 1.1rem;
  font-size: 0.82rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(245, 247, 255, 0.6);
}

h1 {
  margin: 0;
  max-width: 9ch;
  font-family: "Sora", system-ui, sans-serif;
  font-size: clamp(4.4rem, 9vw, 9.2rem);
  line-height: 0.9;
  letter-spacing: -0.09em;
  font-weight: 800;
}

h1 span {
  color: var(--accent-2);
  text-shadow: 0 0 18px rgba(49, 213, 255, 0.2);
}

.subcopy {
  max-width: 40rem;
  margin: 1.5rem 0 0;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.7;
  color: var(--muted);
}

.actions {
  margin-top: 2rem;
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 13rem;
  padding: 1rem 1.6rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: white;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
  box-shadow: 0 16px 45px rgba(124, 92, 255, 0.35);
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.download-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 55px rgba(124, 92, 255, 0.46);
}

.hero-card {
  align-self: end;
  padding: 1.25rem 1.25rem 1.35rem;
  border: 1px solid var(--panel-border);
  border-radius: 1.5rem;
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3);
}

.card-label {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245, 247, 255, 0.54);
}

.card-title {
  margin-top: 0.8rem;
  font-family: "Sora", system-ui, sans-serif;
  font-size: 1.65rem;
  line-height: 1;
  letter-spacing: -0.05em;
}

.hero-card p {
  margin: 0.8rem 0 0;
  color: rgba(245, 247, 255, 0.72);
  line-height: 1.7;
}

.hero-card code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--accent-2);
}

@media (max-width: 980px) {
  body {
    overflow: auto;
  }

  .hero {
    grid-template-columns: 1fr;
    align-items: center;
    gap: 1.4rem;
    padding-top: 2rem;
  }

  .hero-copy {
    padding-bottom: 0;
  }

  .hero-card {
    max-width: 36rem;
  }
}