/* ============================
   SPINE.CSS — v3.3.1 + Tiffany v2.2 + Image-Layer Compositing Fix
   SS Artifact SPI-01.1.03.13.26
   Institutional Cold Pass
   Canonical Structural Geometry
   ============================ */

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

/* Base document */
html, body {
  margin: 0;
  padding: 0;
  position: relative;
  min-height: 100%;

  /* Image layer forces UIKit-style gamma + OLED compensation */
  background:
    url("/assets/tiffany-v22.png") repeat,
    #72C7D0;

  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #0A0A0A;
}

/* Core block spine */
.block {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
}

/* Vertical rhythm (non-homepage only) */
body:not(.homepage) .block + .block {
  margin-top: 48px;
}

/* Page wrapper for all non-homepage artifacts */
.page {
  padding-top: 64px;
  padding-bottom: 64px;
}

/* Section container */
.section {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
  /* margin-top removed for consistency */
}

/* Lists inside artifacts */
.section ol,
.section ul {
  margin: 0;
  padding-left: 20px;
}

.section li {
  margin-bottom: 8px;
}

/* Structured rows */
.row {
  display: flex;
  gap: 8px;
}

.row__label {
  font-weight: 500;
  white-space: nowrap;
}

.row__text {
  flex: 1;
}

/* Artifact footer */
.artifact {
  max-width: 620px;
  margin: 80px auto 0 auto;
  padding: 32px 24px 0 24px;
  border-top: 1px solid #DDDDDD;
  text-align: center;
  font-size: 14px;
  color: #666666;
}

.artifact__line {
  margin: 2px 0;
}