/* ===== Theme variables ===== */
:root {
  --bg: #050505;
  --surface: #101010;
  --border: rgba(255, 255, 255, 0.22);
  --text: #ffffff;
  --muted: #9ca3af;
  --hover: rgba(128, 128, 128, 0.18);
  --shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.75);
  --menu-bg: #161616;
  --logo-bg: #ffffff;
  --logo-fg: #000000;
}

[data-theme="light"] {
  --bg: #ffffff;
  --surface: #f4f4f5;
  --border: rgba(0, 0, 0, 0.2);
  --text: #111111;
  --muted: #52525b;
  --hover: rgba(0, 0, 0, 0.07);
  --shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.25);
  --menu-bg: #ffffff;
  --logo-bg: #000000;
  --logo-fg: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scrollbar-gutter: stable;
}

body {
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.22;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.28) 1px, transparent 1.5px);
  background-size: 95px 95px;
}

/* ===== Simple footer (used on pages) ===== */
footer {
  margin-top: 60px;
  background: transparent;
  text-align: center;
  padding: 40px 24px;
}

footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}