* {
  box-sizing: border-box;
}

:root {
  --paper: #f3ead3;
  --ink: #161616;
  --line: #222;
  --header: #f6cf55;
  --main: #9fd18b;
  --aside: #8cc7e8;
  --article: #f09887;
  --section: #c8a4df;
  --footer: #f2a65a;
  --note: #fffdf4;
  --accent: #006b7d;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 24px;
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: 16px;
  line-height: 1.5;
  background: var(--paper);
  color: var(--ink);
}

img {
  display: block;
  width: 100%;
  height: auto;
}

/* Baseline grid from the planning notes */
.baseline-grid {
  background-image: linear-gradient(to bottom, transparent 23px, rgba(0, 0, 0, 0.13) 24px);
  background-size: 100% 24px;
}

/* Shared wireframe styling */
.wire-block,
.note-card {
  border: 3px dashed var(--line);
  position: relative;
  padding: 24px;
  margin-bottom: 24px;
}

.wire-label {
  display: inline-block;
  margin: 0 0 12px;
  padding: 7px 11px;
  background: var(--line);
  color: white;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.class-note,
.tag-note,
figcaption {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Main instructor-style colored regions */
.site-header {
  max-width: 1280px;
  margin: 0 auto 18px;
  background: var(--header);
}

.page-title {
  display: inline-block;
  margin: 0 0 12px;
  padding: 12px 28px 12px 4vw;
  background: var(--accent);
  color: white;
  border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;
  font-family: "Orbitron", Arial, sans-serif;
  font-size: clamp(2.5rem, 7vw, 6rem);
  line-height: 0.95;
  letter-spacing: 0.05em;
}

.site-nav {
  max-width: 1280px;
  margin: 0 auto 24px;
  background: #fff7d5;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.site-nav .wire-label {
  margin-bottom: 0;
}

.site-nav a {
  border: 2px solid var(--line);
  background: white;
  color: var(--ink);
  padding: 9px 12px;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 900;
  text-decoration: none;
}

.wire-main {
  max-width: 1280px;
  margin: 0 auto 24px;
  padding: 24px;
  background-color: var(--main);
  border: 4px solid var(--line);
}

.aside-panel {
  background: var(--aside);
}

.article-panel {
  background: var(--article);
}

.article-panel p,
.aside-panel p,
.section-child,
.site-footer p {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  padding: 12px;
  margin: 0 0 16px;
}

.standout,
.standout-blue {
  font-family: "Orbitron", Arial, sans-serif;
  font-size: 1.35rem;
  color: var(--accent);
}

.standout-blue {
  font-size: 1.6rem;
}

.article-title {
  display: inline-block;
  margin: 10px 0 18px;
  padding: 12px 18px;
  background: var(--accent);
  color: white;
  font-family: "Orbitron", Arial, sans-serif;
  letter-spacing: 0.05em;
}

.image-wire {
  border: 2px solid var(--line);
  background: white;
  padding: 12px;
  margin: 0 0 18px;
}

.image-wire img {
  border: 2px solid var(--line);
  max-height: 440px;
  object-fit: cover;
}

.image-wire figcaption {
  margin-top: 10px;
  color: var(--accent);
}

.no-border {
  border: none;
}

.nested-section {
  clear: both;
  background: var(--section);
  border: 3px dashed var(--line);
  padding: 18px;
  margin-top: 18px;
}

.nested-section .wire-label {
  display: block;
  width: fit-content;
}

.section-child {
  min-height: 120px;
}

.site-footer {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
  background: var(--footer);
  border-top: 6px solid var(--line);
}

/* User's required 3-column grid setup */
.grid-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.grid-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-col {
  /* Each column is about 394.67px wide at 1280px with 24px gutters */
}

.notes-board {
  margin-bottom: 28px;
}

.notes-board h2 {
  margin: 0 0 18px;
  padding: 16px;
  border: 3px solid var(--line);
  background: var(--accent);
  color: white;
  font-family: "Orbitron", Arial, sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  letter-spacing: 0.04em;
}

.note-card {
  background: var(--note);
  min-height: 280px;
}

.note-card p {
  border-bottom: 1px solid rgba(0, 0, 0, 0.18);
  padding-bottom: 8px;
  margin: 0 0 8px;
}

.note-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 2px solid var(--line);
  margin-bottom: 12px;
}

.project-link a {
  color: var(--accent);
  font-weight: 900;
  word-break: break-word;
}

/* Instructor media query behavior */
@media screen and (max-width: 800px) {
  body {
    padding: 14px;
  }

  header,
  main,
  footer,
  .site-header,
  .site-nav,
  .wire-main,
  .site-footer,
  .grid-container {
    width: 95%;
    max-width: 95%;
    padding-left: 14px;
    padding-right: 14px;
  }

  .pure-g {
    display: block;
  }

  .pure-u-1-3,
  .pure-u-2-3,
  .pure-u-1-2 {
    display: block;
    width: 100%;
  }

  .grid-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .site-nav {
    align-items: stretch;
    flex-direction: column;
  }

  .site-nav a {
    text-align: center;
  }

  .page-title {
    font-size: 2.4rem;
    padding-left: 18px;
  }

  .image-wire img {
    max-height: none;
  }
}