:root {
  --bg: #07090f;
  --bg-2: #0b0f1a;
  --border: #1d2840;
  --text: #e8edf7;
  --accent: #ff7a3d;   /* sunset orange */
  --accent-2: #ffb347; /* sunset gold  */
  --cyan: #3ad7ff;     /* sentinel cyan */
  --cyan-deep: #1aa6cc;
  --sans: 'Space Grotesk', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── Background ─── */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background:
    linear-gradient(var(--bg-2), var(--bg)),
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(58,215,255,.04) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(58,215,255,.04) 39px 40px);
}
.bg-glow {
  position: fixed; z-index: -1; pointer-events: none;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px; filter: blur(120px); opacity: .5;
  background: radial-gradient(circle at 30% 30%, var(--accent) 0%, transparent 55%),
              radial-gradient(circle at 70% 50%, var(--cyan-deep) 0%, transparent 55%);
}

/* ─── Centered brand + title ─── */
.center {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 24px;
  text-align: center;
}

.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: .14em; }
.brand-mark { color: var(--cyan); font-size: 26px; text-shadow: 0 0 16px var(--cyan); }
.brand-text { font-size: 18px; }
.brand-sub { color: var(--accent); margin-left: 8px; }

h1 {
  margin: 0;
  font-size: clamp(40px, 9vw, 88px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -.02em;
  background: linear-gradient(120deg, #fff 0%, var(--accent-2) 55%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}