:root {
  --bg-1: #040814;
  --bg-2: #0a1126;
  --bg-3: #111c39;
  --panel: rgba(10, 17, 38, 0.76);
  --panel-strong: rgba(13, 21, 45, 0.92);
  --text: #eef4ff;
  --muted: #97a8cb;
  --line: rgba(120, 172, 255, 0.18);
  --blue: #4db6ff;
  --cyan: #58f4ff;
  --violet: #7f79ff;
  --shadow: 0 32px 80px rgba(0, 0, 0, 0.46);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(88, 244, 255, 0.07), transparent 30%),
    radial-gradient(circle at top right, rgba(127, 121, 255, 0.12), transparent 24%),
    radial-gradient(circle at bottom center, rgba(77, 182, 255, 0.09), transparent 35%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2) 46%, var(--bg-3));
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.32;
}

body::after {
  background:
    radial-gradient(circle at center, rgba(88, 244, 255, 0.12), transparent 18%),
    radial-gradient(circle at center, rgba(127, 121, 255, 0.08), transparent 40%);
  filter: blur(44px);
  opacity: 0.78;
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
}

.hero-card {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(15, 22, 47, 0.74), rgba(7, 11, 24, 0.82));
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(88, 244, 255, 0.07), transparent 28%, transparent 72%, rgba(127, 121, 255, 0.08));
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding: 74px 68px;
}

.eyebrow {
  display: inline-block;
  padding: 10px 14px;
  margin-bottom: 24px;
  border-radius: 999px;
  border: 1px solid rgba(88, 244, 255, 0.22);
  background: rgba(88, 244, 255, 0.08);
  color: #d7fbff;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  max-width: 100%;
}

h1 {
  margin: 0;
  font-size: clamp(3.6rem, 7vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  font-weight: 800;
  color: #e9f6ff;
  text-shadow:
    0 0 22px rgba(88, 244, 255, 0.12),
    0 0 34px rgba(127, 121, 255, 0.08);
}

.tagline {
  margin: 22px 0 0;
  color: #dce9ff;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: clamp(1rem, 1.8vw, 1.28rem);
  font-weight: 600;
}

.lead {
  margin: 24px 0 0;
  max-width: 34ch;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.82;
}

.signal-line {
  width: 180px;
  height: 2px;
  margin-top: 34px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), transparent);
  box-shadow: 0 0 18px rgba(88, 244, 255, 0.25);
}

.hero-brand {
  position: relative;
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 50px 42px;
  border-left: 1px solid rgba(120, 172, 255, 0.14);
  background:
    radial-gradient(circle at center, rgba(88, 244, 255, 0.10), transparent 26%),
    linear-gradient(180deg, rgba(10, 15, 35, 0.10), rgba(5, 8, 20, 0.38));
}

.brand-panel {
  position: relative;
  z-index: 2;
  width: min(420px, 100%);
  padding: 18px;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(17, 28, 56, 0.88), rgba(8, 13, 28, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow:
    0 0 0 1px rgba(88, 244, 255, 0.05),
    0 24px 54px rgba(0, 0, 0, 0.42),
    0 0 44px rgba(88, 244, 255, 0.08);
}

.brand-panel img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
}

.brand-orbit {
  position: absolute;
  border-radius: 32px;
  pointer-events: none;
}

.orbit-a {
  width: 76%;
  aspect-ratio: 1;
  border: 1px solid rgba(88, 244, 255, 0.18);
  transform: rotate(8deg);
  opacity: 0.7;
}

.orbit-b {
  width: 68%;
  aspect-ratio: 1;
  border: 1px solid rgba(127, 121, 255, 0.18);
  transform: rotate(-10deg);
  opacity: 0.5;
}

.footer-note {
  width: min(1120px, 100%);
  margin: 16px auto 0;
  padding-left: 6px;
  color: rgba(180, 198, 230, 0.42);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 920px) {
  .shell {
    padding: 22px;
  }

  .hero-card {
    grid-template-columns: 1fr;
    border-radius: 24px;
  }

  .hero-copy {
    padding: 46px 28px 22px;
  }

  .lead {
    max-width: 100%;
  }

  .hero-brand {
    min-height: 320px;
    padding: 22px 22px 36px;
    border-left: 0;
    border-top: 1px solid rgba(120, 172, 255, 0.14);
  }

  .brand-panel {
    width: min(360px, 100%);
    padding: 14px;
    border-radius: 24px;
  }

  .brand-panel img {
    border-radius: 16px;
  }

  .orbit-a {
    width: 82%;
  }

  .orbit-b {
    width: 72%;
  }

  .footer-note {
    margin: 14px auto 0;
    padding-left: 2px;
  }
}

@media (max-width: 640px) {
  html,
  body {
    overflow: auto;
  }

  .shell {
    padding: 14px;
    min-height: auto;
  }

  .hero-card {
    border-radius: 20px;
  }

  .hero-copy {
    padding: 34px 20px 16px;
  }

  .eyebrow {
    margin-bottom: 18px;
    padding: 9px 12px;
    font-size: 10px;
    line-height: 1.5;
    letter-spacing: 0.1em;
  }

  h1 {
    font-size: clamp(2.4rem, 13vw, 3.5rem);
    line-height: 0.95;
  }

  .tagline {
    margin-top: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
    letter-spacing: 0.08em;
  }

  .lead {
    margin-top: 18px;
    font-size: 0.95rem;
    line-height: 1.72;
  }

  .signal-line {
    width: 124px;
    margin-top: 24px;
  }

  .hero-brand {
    min-height: 250px;
    padding: 10px 16px 28px;
  }

  .brand-panel {
    width: min(280px, 100%);
    padding: 10px;
    border-radius: 18px;
  }

  .brand-panel img {
    border-radius: 12px;
  }

  .orbit-a {
    width: 88%;
    border-radius: 22px;
  }

  .orbit-b {
    width: 80%;
    border-radius: 22px;
  }

  .footer-note {
    margin-top: 12px;
    font-size: 11px;
    text-align: center;
    padding-left: 0;
  }
}