:root {
  /* Brand tokens: navy · lime · white */
  --bg: #0a1628;
  --text: #ffffff;
  --muted: #7a8fa3;
  --accent: #c4e538;
  --maxw: 68rem;
}

/* Base */
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Hero layout */
.hero {
  min-height: 100svh; /* safe on mobile browsers */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(24px, 4vw, 64px);
  z-index: 2;
  position: relative; /* required for z-index to apply */
  padding-bottom: clamp(56px, 7vh, 88px); /* adds bottom breathing room */
  /* z-index: 100;         higher than the effect canvas */
  isolation: isolate; /* keeps internal layers tidy */
  background: #0a162899;
}
.stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(16px, 2vw, 28px);
  width: min(100%, 60rem);
  max-width: var(--maxw);
  margin-inline: auto;
}
.hero-contact {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: clamp(16px, 3vh, 32px);
  margin: 0;
  font-size: clamp(12px, 1.05vw, 14px);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #b6c2cf; /* muted label text */
  text-align: center;
  white-space: nowrap; /* keep it on one line */
}

/* link styled in lime accent */
.hero-contact a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.hero-contact a:hover {
  text-decoration: underline;
}
.hero-contact a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Logo */
.logo {
  /* width: clamp(140px, 12vw, 220px); */
  /* width: clamp(180px, 16vw, 300px); */
  /* width: clamp(200px, 18vw, 340px); */
  width: clamp(240px, 22vw, 420px);

  height: auto;
  display: block;
}

/* Tagline / Slogan (heavier) */
.tagline {
  margin: 0;
  font-weight: 800; /* <-- heavier for emphasis */
  font-size: clamp(22px, 2.2vw, 28px); /* ~24–32px on desktop */
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* Solution statement (lighter, muted) */
.solution {
  font-weight: 500; /* lighter than tagline */
  font-size: clamp(16px, 1.4vw, 20px); /* ~18–20px on desktop */
  line-height: 1.6;
  max-width: 60ch; /* keeps line length tidy */
  margin: 0;
  opacity: 0.9; /* subtle soften on dark bg */
}

/* Optional: focus styles for any future links/buttons */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}
@media (max-width: 480px) {
  .tagline {
    font-size: 20px;
  }
  .solution {
    font-size: 16px;
  }
}