:root {
  --bg: #0f1115;
  --panel: #161a20;
  --text: #e9edf2;
  --muted: #a8b0ba;
  --gold: #c4a456;
  --gold-highlight: #d8b24a;
  --border: rgba(255,255,255,0.08);
  --shadow: 0 20px 50px rgba(0,0,0,0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(196,164,86,0.12), transparent 28%),
    linear-gradient(180deg, #0b0d11 0%, #12161c 100%);
  color: var(--text);
  font-family: "Arial", "Helvetica Neue", sans-serif;
}

body {
  display: flex;
  flex-direction: column;
}

.site-header {
  width: 100%;
  padding: 28px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 12, 15, 0.72);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
}

.brand {
  max-width: 1200px;
  margin: 0 auto;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-weight: 800;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  color: var(--text);
}

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 64px 24px 88px;
  text-align: center;
}

.logo {
  width: min(560px, 88vw);
  height: auto;
  display: block;
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.tagline {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-weight: 800;
  font-size: clamp(0.95rem, 1.6vw, 1.25rem);
  color: var(--gold);
  text-shadow: 0 0 18px rgba(196,164,86,0.18);
}

@media (max-width: 640px) {
  .site-header {
    padding: 20px 16px;
  }

  .brand {
    letter-spacing: 0.18em;
  }

  .tagline {
    letter-spacing: 0.14em;
    line-height: 1.5;
  }
}