:root {
--page-bg: #091124;
  --pillar-bg: #252b4a;
  --pillar-text: #cbd5e1;
  --pillar-width: min(1200px, 92vw);
  --pillar-radius: 4px;
  --pillar-padding: 2rem;
  --accent: #ffffff;
  --nav-bg: #2e3657;
  --nav-text: #d6dfec;
  --nav-hover: #3b446a;
  --nav-active: #4c5685;
}

body {
  margin: 0;
  padding: 0;

  background:
    repeating-linear-gradient(
      135deg,
      rgba(255,255,255,0.010) 0px,
      rgba(255,255,255,0.010) 2px,
      rgba(0,0,0,0) 2px,
      rgba(0,0,0,0) 6px
    ),

    radial-gradient(circle at center,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 0.15) 55%,
      rgba(0, 0, 0, 0.40) 100%
    ),

    var(--page-bg);

  background-size:
    300px 300px,   /* noise tile */
    auto,          /* vignette */
    auto;

  background-attachment: fixed;
}



/**
 *
  --page-bg: #000000;
  --pillar-bg: #2F3B3B;
  --pillar-text: #000000;
  --pillar-width: min(1200px, 92vw);
  --pillar-radius: 4px;
  --pillar-padding: 2rem;
  --accent: #ffffff;
  --nav-bg: #000000;
  --nav-text: #F5A9B8;
  --nav-hover: #e9edf5;
  --nav-active: #dbe4ff;
*/

/**
 * 12 :root·{
 11 ··--page-bg:·#5BCEFA;
 10 ··--pillar-bg:·#F5A9B8;
  9 ··--pillar-text:·#FFFFFF;
  8 ··--pillar-width:·min(1200px,·92vw);
  7 ··--pillar-radius:·4px;
  6 ··--pillar-padding:·2rem;
  5 ··--accent:·#ffffff;
  4 ··--nav-bg:·#FFFFFF;
  3 ··--nav-text:·#F5A9B8;
  2 ··--nav-hover:·#e9edf5;
  1 ··--nav-active:·#dbe4ff;
13  }
 */

html, body {
  margin: 0;
  padding: 0;
  /*background: var(--page-bg);*/
  color: var(--pillar-text);
  font-family: system-ui, sans-serif;
}


body.pillar-page {
    display: block;
}

body.pillar-page .pillar {
    margin-left: auto;
    margin-right: auto;
}


.pillar {
  box-sizing: border-box;
  width: var(--pillar-width);
  background: var(--pillar-bg);
  padding: var(--pillar-padding);
  border-radius: var(--pillar-radius);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 2rem 0;
}

.pillar h1, .pillar h2, .pillar h3 { margin: 0.3em 0; }

/* Navbar */

.pillar-nav {
  margin-top: 0.75rem;
  margin-bottom: 15px;
  background: var(--nav-bg);
  color: var(--nav-text);
  border-radius: 10px;
  padding: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.06);
}

.pillar-nav .nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--nav-text);
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.pillar-nav .nav-btn:hover {
  background: var(--nav-hover);
}

.pillar-nav .nav-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.pillar-nav .nav-btn.is-active {
  background: var(--nav-active);
  border-color: rgba(37, 99, 235, 0.35);
  color: var(--nav-text);
}