/* Alex Demo — base reset + typography + layout primitives */

*, *::before, *::after { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-ink);
  margin: 0 0 .5em 0;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }

a { color: var(--color-purple); text-decoration: none; }
a:hover { text-decoration: underline; }

p { margin: 0 0 1em 0; }

button, .btn {
  font-family: var(--font-heading);
  font-weight: 600;
  border: 1px solid transparent;
  padding: .55rem 1.1rem;
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: .95rem;
  transition: background .15s, color .15s, border-color .15s;
}
.btn-primary { background: var(--color-purple); color: #fff; }
.btn-primary:hover { background: #2f257a; color: #fff; text-decoration: none; }
.btn-secondary { background: transparent; color: var(--color-purple); border-color: var(--color-purple); }
.btn-secondary:hover { background: var(--color-purple); color: #fff; text-decoration: none; }

/* Watermark band (always visible in DEMO_ENVIRONMENT) */
.demo-watermark {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--watermark-height);
  z-index: 9999;
  background: var(--watermark-bg);
  color: var(--watermark-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 0 1rem;
  box-shadow: 0 1px 3px rgba(0,0,0,.18);
}
.demo-watermark__icon { margin-right: .55rem; font-size: 1rem; }
.demo-watermark strong { font-weight: 800; margin-right: .35rem; }

body { padding-top: var(--watermark-height); }