:root {
  --bg: #060812;
  --surface: rgba(9, 12, 25, 0.58);
  --surface-strong: rgba(15, 20, 38, 0.78);
  --line: rgba(207, 227, 255, 0.16);
  --text: #f4efe7;
  --muted: rgba(233, 239, 248, 0.72);
  --accent: #ff7a45;
  --accent-soft: #85d7ff;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(38, 57, 103, 0.42), transparent 36%),
    linear-gradient(180deg, #05070f 0%, #090d18 100%);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

a {
  color: inherit;
}

.scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0.95;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, 1100px);
  margin: 0 auto;
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: 2rem 0;
}

.hero {
  display: grid;
  gap: 1.25rem;
}

.hero-panel,
.signal-strip {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-panel {
  width: min(100%, 760px);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border-radius: 32px;
}

.eyebrow,
.signal-label {
  margin: 0 0 0.9rem;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

h1,
p {
  margin-top: 0;
}

h1 {
  max-width: 10ch;
  margin-bottom: 1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.6rem, 10vw, 7rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.intro {
  max-width: 36rem;
  margin-bottom: 0;
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  line-height: 1.75;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 11rem;
  padding: 0.95rem 1.35rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 122, 69, 0.45);
  background: linear-gradient(135deg, rgba(255, 122, 69, 0.2), rgba(133, 215, 255, 0.12));
  text-decoration: none;
  color: #fff8f2;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 122, 69, 0.72);
}

.signal-strip {
  width: fit-content;
  max-width: 100%;
  padding: 1rem 1.15rem 1.1rem;
  border-radius: 24px;
  background: var(--surface-strong);
}

.signal-label {
  margin-bottom: 0.75rem;
}

.signal-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.signal-list span {
  display: inline-flex;
  align-items: center;
  min-height: 2.2rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid rgba(207, 227, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(244, 239, 231, 0.88);
  font-size: 0.94rem;
}

.no-webgl .scene {
  display: none;
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 1rem, 1100px);
    padding: 1rem 0;
  }

  .hero-panel,
  .signal-strip {
    border-radius: 24px;
  }

  h1 {
    max-width: none;
  }

  .hero-actions {
    margin-top: 1.5rem;
  }
}