/* Roux design system */

:root {
  --ink:   #2A2420;
  --cream: #F4EEE1;
  --clay:  #B84A2E;
  --olive: #5F6B42;
  --stone: #B8ADA0;
  --muted: #6B6560;

  --type-display: "Fraunces", Georgia, serif;
  --type-body:    "Source Serif 4", Georgia, serif;
  --type-ui:      "Inter", system-ui, -apple-system, sans-serif;
}

@font-face {
  font-family: "Fraunces";
  src: url("https://fonts.gstatic.com/s/fraunces/v36/6NUh8FyLNQOQZAnv9bYWvDtVjfvUnss.woff2") format("woff2");
  font-display: swap;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--type-body);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (max-width: 720px) {
  html, body { font-size: 17px; }
}

/* ===================== Layout ===================== */

.wrap { max-width: 720px; margin: 0 auto; padding: 4rem 1.5rem 6rem; }
.wrap-wide { max-width: 1080px; margin: 0 auto; padding: 4rem 1.5rem 6rem; }

/* ===================== Typography ===================== */

h1, h2, h3, h4 {
  font-family: var(--type-display);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0 0 0.6rem;
  line-height: 1.15;
}

h1 { font-size: 3.2rem; line-height: 1.05; margin-top: 0; }
h2 { font-size: 1.8rem; margin: 3rem 0 1rem; }
h3 { font-size: 1.3rem; font-style: italic; color: var(--muted); margin: 2rem 0 0.6rem; }
h4 { font-size: 1.05rem; font-family: var(--type-ui); font-weight: 600;
     letter-spacing: 0.04em; text-transform: uppercase; color: var(--clay);
     margin: 2rem 0 0.4rem; }

p { margin: 0 0 1.2rem; }

a {
  color: var(--clay);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}
a:hover { color: var(--ink); }

em, i { font-style: italic; }
strong, b { font-weight: 600; }

ul, ol { padding-left: 1.4rem; margin: 0 0 1.4rem; }
li { margin-bottom: 0.4rem; }

blockquote {
  font-family: var(--type-display);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.45;
  margin: 1.6rem 0;
  padding-left: 1.2rem;
  border-left: 3px solid var(--clay);
  color: var(--ink);
}

hr {
  border: 0;
  border-top: 1px solid var(--stone);
  margin: 3rem 0;
}

/* ===================== Decoration ===================== */

.kicker {
  font-family: var(--type-ui);
  font-size: 0.78rem;
  color: var(--clay);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.subtitle {
  font-family: var(--type-display);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--muted);
  margin: 0 0 3rem;
  line-height: 1.2;
}

.meta {
  font-family: var(--type-ui);
  font-size: 0.85rem;
  color: var(--muted);
}

.dropcap::first-letter {
  font-family: var(--type-display);
  font-size: 4em;
  float: left;
  line-height: 0.85;
  margin: 0.1em 0.1em 0 0;
  color: var(--clay);
}

/* ===================== Components ===================== */

.placeholder-card {
  background: rgba(184, 74, 46, 0.06);
  border: 1px solid rgba(184, 74, 46, 0.25);
  padding: 1.4rem 1.6rem;
  border-radius: 4px;
  margin: 2.5rem 0;
}
.placeholder-card .label {
  font-family: var(--type-ui);
  font-size: 0.72rem;
  color: var(--clay);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}

.session-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
  margin: 2rem 0;
}
.session-card {
  background: rgba(184, 173, 160, 0.15);
  border: 1px solid var(--stone);
  border-radius: 4px;
  padding: 1.4rem 1.6rem;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.session-card:hover {
  border-color: var(--clay);
  transform: translateY(-2px);
}
.session-card .number {
  font-family: var(--type-ui);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clay);
}
.session-card .title {
  font-family: var(--type-display);
  font-size: 1.4rem;
  margin: 0.4rem 0 0.6rem;
  display: block;
}
.session-card .ref {
  font-family: var(--type-ui);
  font-size: 0.85rem;
  color: var(--muted);
}

/* ===================== Header & footer ===================== */

.site-header {
  border-bottom: 1px solid var(--stone);
  padding: 1.6rem 1.5rem;
  background: var(--cream);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
}
.site-header .brand {
  font-family: var(--type-display);
  font-size: 1.2rem;
  color: var(--ink);
  text-decoration: none;
}
.site-header .brand .accent { color: var(--clay); }
.site-header nav a {
  font-family: var(--type-ui);
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
  margin-left: 1.4rem;
}
.site-header nav a:hover { color: var(--clay); }
.site-header nav a.active { color: var(--ink); }

.site-footer {
  border-top: 1px solid var(--stone);
  padding: 2rem 1.5rem;
  margin-top: 4rem;
  font-family: var(--type-ui);
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}
.site-footer p { margin: 0.4rem 0; }

/* ===================== Session-page specifics ===================== */

.session-header {
  margin-bottom: 3rem;
}
.session-nav {
  font-family: var(--type-ui);
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  margin-top: 4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--stone);
}
.session-nav a { text-decoration: none; }
.session-nav .prev::before { content: "← "; }
.session-nav .next::after { content: " →"; }

/* ===================== Sidebar-page specifics ===================== */

.sidebar-article {
  max-width: 720px;
}
.sidebar-header {
  margin-bottom: 3rem;
}
.sidebar-applies {
  margin-top: 3rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--stone);
  font-family: var(--type-ui);
  font-size: 0.9rem;
  color: var(--muted);
}
.sidebar-applies h2 {
  font-family: var(--type-display);
  font-size: 1.1rem;
  color: var(--ink);
  margin: 0 0 0.8rem;
  font-weight: 400;
}
.sidebar-applies ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.sidebar-applies li {
  margin: 0.4rem 0;
}
.sidebar-applies li a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--stone);
}
.sidebar-applies li a:hover { color: var(--clay); border-bottom-color: var(--clay); }

/* Per-session "Sidebars for this session" block */
.related-sidebars {
  margin-top: 3rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--stone);
  border-bottom: 1px solid var(--stone);
  font-family: var(--type-ui);
  font-size: 0.9rem;
}
.related-sidebars h2 {
  font-family: var(--type-display);
  font-size: 1.1rem;
  color: var(--clay);
  margin: 0 0 0.8rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}
.related-sidebars ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.related-sidebars li {
  margin: 0.4rem 0;
  color: var(--ink);
}
.related-sidebars li a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--stone);
}
.related-sidebars li a:hover { color: var(--clay); border-bottom-color: var(--clay); }
.related-sidebars .meta { color: var(--muted); }

/* Sidebars index list */
.sidebar-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}
.sidebar-card {
  display: block;
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--stone);
  border-radius: 4px;
  text-decoration: none;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.15s ease;
}
.sidebar-card:hover { border-color: var(--clay); }
.sidebar-card .title {
  display: block;
  font-family: var(--type-display);
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: 0.4rem;
}
.sidebar-card .subtitle {
  display: block;
  font-family: var(--type-body);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--muted);
  margin-bottom: 0.6rem;
  line-height: 1.4;
}
.sidebar-card .meta {
  display: block;
  font-family: var(--type-ui);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ===================== Audio player ===================== */

.session-audio {
  margin: 2rem 0 2.5rem;
  padding: 1.2rem 1.4rem;
  background: rgba(184, 74, 46, 0.04);
  border: 1px solid rgba(184, 74, 46, 0.18);
  border-radius: 4px;
}
.session-audio h3 {
  font-family: var(--type-display);
  font-size: 1.1rem;
  color: var(--ink);
  margin: 0 0 0.6rem;
  font-weight: 400;
}
.session-audio audio {
  width: 100%;
  margin-top: 0.6rem;
}
.session-audio .meta {
  font-family: var(--type-ui);
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}