/* ─── Container width variants ────────────────────────────────────────────── */
/*
  All three extend the base .container grid from base.css.
  They only override grid-template-columns to set the content column width.
  To change how wide the content area is, edit the min() value below.
*/

/* Default — wide layout for listing/index pages */
.sketchbook-container {
  grid-template-columns:
    [full-start] minmax(2rem, 1fr)
    [content-start] min(968px, 100% - 3rem)
    [content-end] minmax(0.5rem, 1fr)
    [full-end];
  padding-top: 1.5rem;
}

/* Constrain images inside content containers */
.sketchbook-container img {
  max-width: 100%;
  height: auto;
}

/* Narrow — for single-column reading pages (most sketch posts) */
.sketchbook-container--narrow {
  grid-template-columns:
    [full-start] minmax(2rem, 1fr)
    [content-start] min(48rem, 100% - 3rem)
    [content-end] minmax(0.5rem, 1fr)
    [full-end];
}

/* Scrollspy — wider to accommodate the side nav column */
.sketchbook-container--scrollspy {
  grid-template-columns:
    [full-start] minmax(2rem, 1fr)
    [content-start] min(66rem, 100% - 3rem)
    [content-end] minmax(0.5rem, 1fr)
    [full-end];
}


/* ─── Footer ──────────────────────────────────────────────────────────────── */
footer,
.site-footer {
  background-color: var(--black);
  color: var(--muted-gray);
  border-top: 2px solid var(--terra);
}

footer a,
.site-footer a {
  color: var(--mesa);
  text-decoration: none;
}

footer a:hover,
.site-footer a:hover {
  color: var(--sunset);
}

footer h4,
footer h5,
.site-footer h4,
.site-footer h5 {
  color: var(--rule-gray);
}

.site-footer-sketchbook {
  border-top: 2px solid var(--sunset);
  background: var(--near-black);
}

.site-footer-sketchbook .footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1.5rem 1rem;
  background-color: transparent;
}

.site-footer-sketchbook .footer-bottom-brand,
.site-footer-sketchbook .footer-bottom-contact {
  color: var(--muted-gray);
  font-size: 0.8rem;
}

.site-footer-sketchbook .footer-brand {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--terra);
}

.site-footer-sketchbook .footer-sep {
  color: var(--dark-gray);
}

.site-footer-sketchbook .footer-bottom-contact a {
  color: var(--mesa);
  text-decoration: none;
}

.site-footer-sketchbook .footer-bottom-contact a:hover {
  color: var(--sunset);
}


/* ─── Page header ─────────────────────────────────────────────────────────── */
.sketchbook-page-header {
  padding: 2.5rem 0 1.75rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--rule-gray);
}

.sketchbook-page-header .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted-gray);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}

/* Page title h1 — larger than the body h2 defined in typography.css */
.sketchbook-page-header h1,
.sketchbook-container > h1:first-child {
  margin-top: 0;
  padding-top: 1.5rem;
  margin-bottom: 0.25rem;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
}

.sketchbook-page-header p,
.sketchbook-container > h1:first-child + p {
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.65;
  color: var(--mid-gray);
  max-width: 640px;
  margin: 0.75rem 0 0;
}

.sketchbook-page-header.sketchbook-post p {
  max-width: 760px;
}

.sketchbook-page-header.sketchbook-post {
  padding-bottom: 3rem;
}


/* ─── Section accent bar ──────────────────────────────────────────────────── */
/* Thin colored rule that appears below the page title */
p:has(> .section-accent) {
  margin: 0;
  padding: 0;
  line-height: 0;
}

.section-accent {
  display: block;
  width: 100%;
  height: 3px;
  margin: 1.25rem 0 2rem 0;
}

.section-accent.teach    { background: linear-gradient(90deg, var(--terra)     0%, var(--terra)     60%, transparent 100%); }
.section-accent.research { background: linear-gradient(90deg, var(--turquoise) 0%, var(--turquoise) 60%, transparent 100%); }
.section-accent.default  { background: linear-gradient(90deg, var(--terra) 0%, var(--mesa) 40%, var(--sunset) 68%, transparent 100%); }


/* ─── Home page lede & pull quote ────────────────────────────────────────── */
.sketchbook-lede {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--mid-gray);
  line-height: 1.65;
  max-width: 680px;
  margin: 0 0 1.5rem;
}

.sketchbook-pull {
  font-family: 'Caveat', cursive;
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  color: var(--dark-gray);
  line-height: 1.25;
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  border-left: 3px solid var(--terra);
  width: 100%;
}


/* ─── Sketch post pages ───────────────────────────────────────────────────── */
.sketchbook-post {
  max-width: 860px;
}

.sketchbook-post-meta {
  position: absolute;
  bottom: 0.75rem;
  right: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
}

/* Post h2 is slightly larger than the global h2 in typography.css */
.sketchbook-post h2 {
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  position: relative;
  padding-bottom: 0.45rem;
  scroll-margin-top: 5rem;
  font-size: clamp(1.2rem, 2.5vw, 1.35rem);
}

/* Fading underline beneath each section heading */
.sketchbook-post h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--dark-gray) 0%, transparent 80%);
}

.sketchbook-post ul {
  padding-left: 1.2rem;
}

.sketchbook-post li {
  margin-bottom: 0.5rem;
  line-height: 1.35;
}