/* ===========================================================
   Deepayan Mukherjee — personal writing site
   Palette: parchment + oxblood + brass, inspired by old
   hardcover bindings and annotated margins, not screens.
   =========================================================== */

:root {
  --parchment:      #EAE3D3;
  --parchment-deep: #DDD3BC;
  --ink:             #201C16;
  --ink-soft:        #4A4438;
  --oxblood:         #7A2E2A;
  --oxblood-deep:    #5E2320;
  --brass:           #A9843F;
  --rule:            #C9BEA3;
  --max-w: 42rem;

  --display: Georgia, "Iowan Old Style", "Palatino Linotype", "URW Palladio L", serif;
  --body:    "Charter", "Iowan Old Style", Georgia, "Palatino Linotype", serif;
  --mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html {
  background: var(--parchment);
}

body {
  margin: 0;
  background:
    radial-gradient(ellipse at top left, rgba(169,132,63,0.06), transparent 55%),
    var(--parchment);
  color: var(--ink);
  font-family: var(--body);
  font-size: 19px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--oxblood); text-decoration: none; border-bottom: 1px solid rgba(122,46,42,0.35); }
a:hover { border-bottom-color: var(--oxblood); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--oxblood); outline-offset: 3px; }

img { max-width: 100%; display: block; }

/* ---------- header ---------- */

.site-header {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 2rem;
  border-bottom: 1px solid var(--rule);
}

.site-mark {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  text-decoration: none;
  border: none;
}

.site-mark .glyph {
  font-family: var(--display);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--oxblood);
  border: 1.5px solid var(--oxblood);
  border-radius: 50%;
  width: 2.6rem;
  height: 2.6rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.site-mark .wordmark {
  font-family: var(--display);
  font-size: 1.55rem;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.site-tagline {
  margin: 0.6rem 0 0 3.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

nav.site-nav {
  margin: 1.75rem 0 0 3.5rem;
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
}

nav.site-nav a {
  border: none;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 0.2rem;
  border-bottom: 1px solid transparent;
}

nav.site-nav a:hover,
nav.site-nav a.active {
  color: var(--oxblood);
  border-bottom-color: var(--oxblood);
}

/* ---------- main / footer ---------- */

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.site-footer {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- home ---------- */

.home-intro {
  font-family: var(--display);
  font-size: 1.5rem;
  line-height: 1.55;
  color: var(--ink);
  margin: 0 0 3.5rem;
  max-width: 34rem;
}

.home-intro em { font-style: italic; color: var(--oxblood); }

.section-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 1.1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}

.entry-list {
  list-style: none;
  margin: 0 0 3rem;
  padding: 0;
}

.entry-list li {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  gap: 1.2rem;
  align-items: baseline;
}

.entry-list li:first-child { padding-top: 0; }

.entry-date {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  white-space: nowrap;
  flex: none;
  width: 5.2rem;
}

.entry-title {
  font-family: var(--display);
  font-size: 1.15rem;
  color: var(--ink);
  border: none;
}

.entry-title:hover { color: var(--oxblood); }

.entry-kind {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--brass);
  margin-left: auto;
  flex: none;
}

/* ---------- list pages ---------- */

.list-header {
  margin-bottom: 2.5rem;
}

.list-header h1 {
  font-family: var(--display);
  font-size: 2.1rem;
  margin: 0 0 0.5rem;
}

.list-header p {
  color: var(--ink-soft);
  font-style: italic;
  margin: 0;
}

/* ---------- single essay / page ---------- */

article.essay .article-head,
.prose-page .article-head {
  margin-bottom: 2.5rem;
}

article.essay h1,
.prose-page h1 {
  font-family: var(--display);
  font-size: 2.3rem;
  line-height: 1.2;
  margin: 0 0 0.8rem;
}

.meta-row {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

article.essay .content > p:first-of-type::first-letter,
.prose-page .content > p:first-of-type::first-letter {
  font-family: var(--display);
  font-size: 3.4rem;
  float: left;
  line-height: 0.8;
  padding: 0.1rem 0.35rem 0 0;
  color: var(--oxblood);
}

.content p { margin: 0 0 1.55rem; max-width: 38rem; }

.content p.lede {
  font-family: var(--display);
  font-size: 1.28rem;
  line-height: 1.6;
  color: var(--ink);
}

.content h2 {
  font-family: var(--display);
  font-size: 1.4rem;
  margin: 3rem 0 1.1rem;
  color: var(--oxblood-deep);
  scroll-margin-top: 2rem;
}
.content h3 {
  font-family: var(--display);
  font-size: 1.15rem;
  margin: 2.2rem 0 0.9rem;
  scroll-margin-top: 2rem;
}
.content blockquote {
  margin: 2rem 0;
  padding: 0.2rem 0 0.2rem 1.3rem;
  border-left: 3px solid var(--brass);
  font-style: italic;
  color: var(--ink-soft);
}
.content hr { border: none; border-top: 1px solid var(--rule); margin: 2.8rem 0; }
.content code { font-family: var(--mono); font-size: 0.9em; background: var(--parchment-deep); padding: 0.1em 0.35em; border-radius: 3px; }
.content strong { color: var(--ink); }
.content a { text-underline-offset: 3px; }

/* ---------- reading aids: progress bar, table of contents, back-to-top ---------- */
/* Injected/controlled by js/main.js — safe to ignore if you don't use it. */

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--oxblood);
  z-index: 60;
  transition: width 80ms linear;
}

.reading-meta {
  display: flex;
  gap: 0.9rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.toc {
  margin: 0 0 2.6rem;
  padding: 1.1rem 1.3rem;
  background: var(--parchment-deep);
  border: 1px solid var(--rule);
  border-radius: 2px;
}

.toc-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 0.7rem;
}

.toc ol {
  margin: 0;
  padding-left: 1.2rem;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

.toc a { border: none; color: var(--ink-soft); }
.toc a:hover { color: var(--oxblood); }

.back-to-top {
  display: inline-block;
  margin-top: 3rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: none;
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
  width: 100%;
}
.back-to-top:hover { color: var(--oxblood); }

/* ---------- poem ---------- */

.poem {
  font-family: var(--display);
  font-size: 1.15rem;
  line-height: 2;
  color: var(--ink);
  white-space: pre-wrap;
  border-left: 2px solid var(--rule);
  padding-left: 1.6rem;
}

.poem-stanza-break { display: block; height: 1.2rem; }

/* ---------- photographs ---------- */

.gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.6rem;
}

.gallery figure { margin: 0; }

.gallery img {
  border: 1px solid var(--rule);
  filter: sepia(8%) contrast(1.02);
}

.gallery figcaption {
  margin-top: 0.7rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
}

/* ---------- responsive ---------- */

@media (max-width: 30rem) {
  body { font-size: 17px; }
  .site-tagline, nav.site-nav { margin-left: 0; }
  .site-mark .wordmark { font-size: 1.3rem; }
  article.essay h1, .prose-page h1 { font-size: 1.8rem; }
  .home-intro { font-size: 1.25rem; }
  .entry-list li { flex-wrap: wrap; }
  .entry-kind { margin-left: 0; }
  .content p.lede { font-size: 1.15rem; }
}

/* ---------- lightbox (js/main.js toggles the .open class) ---------- */

.gallery-link { border: none; cursor: zoom-in; }

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(32, 28, 22, 0.92);
  z-index: 50;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  cursor: zoom-out;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border: 1px solid var(--brass);
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}