@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,200..500;1,9..144,200..300&family=Lora:ital,wght@0,400;0,500;1,400&family=DM+Mono:wght@300;400&display=swap');

/* ── Design tokens ─────────────────────────────────────── */
:root {
  --bg:          #060918;
  --sidebar-bg:  #08091F;
  --card-bg:     #0C0F25;
  --border:      rgba(210,168,84,0.13);
  --border-md:   rgba(210,168,84,0.28);
  --amber:       #D4A843;
  --amber-lt:    #ECC063;
  --amber-glow:  rgba(212,168,67,0.09);
  --amber-glow2: rgba(212,168,67,0.05);
  --text:        #C8C0AA;
  --text-dim:    #6A6250;
  --text-faint:  #34302A;
  --white:       #EAE2CE;
}

/* ── Material slate scheme variable overrides ──────────── */
[data-md-color-scheme="slate"] {
  --md-hue: 231;
  --md-default-bg-color:           #060918;
  --md-default-bg-color--light:    #0C0F25;
  --md-default-bg-color--lighter:  #0C0F25;
  --md-default-bg-color--lightest: #0C0F25;
  --md-default-fg-color:           #C8C0AA;
  --md-default-fg-color--light:    #6A6250;
  --md-default-fg-color--lighter:  #34302A;
  --md-default-fg-color--lightest: rgba(200,192,170,0.12);
  --md-primary-fg-color:           #D4A843;
  --md-primary-fg-color--light:    #ECC063;
  --md-primary-fg-color--dark:     #B8902F;
  --md-primary-bg-color:           #060918;
  --md-primary-bg-color--light:    rgba(212,168,67,0.1);
  --md-accent-fg-color:            #ECC063;
  --md-accent-fg-color--transparent: rgba(236,192,99,0.1);
  --md-accent-bg-color:            #060918;
  --md-code-fg-color:              #C8C0AA;
  --md-code-bg-color:              #0C0F25;
  --md-typeset-color:              #C8C0AA;
  --md-typeset-a-color:            #D4A843;
  --md-typeset-mark-color:         rgba(212,168,67,0.3);
  --md-typeset-kbd-color:          #0C0F25;
  --md-typeset-kbd-border-color:   rgba(210,168,84,0.28);
  --md-admonition-bg-color:        #0C0F25;
  --md-footer-bg-color:            #08091F;
  --md-footer-bg-color--dark:      #060918;
  --md-footer-fg-color:            #6A6250;
  --md-footer-fg-color--light:     #6A6250;
  --md-footer-fg-color--lighter:   #34302A;
  --md-shadow-z1: 0 0 0 1px rgba(210,168,84,0.10), 0 4px 12px rgba(0,0,0,0.4);
  --md-shadow-z2: 0 0 0 1px rgba(210,168,84,0.13), 0 8px 24px rgba(0,0,0,0.5);
  --md-shadow-z3: 0 0 0 1px rgba(210,168,84,0.18), 0 16px 48px rgba(0,0,0,0.6);
}
/* ── Light mode design tokens ─────────────────────────── */
[data-md-color-scheme="default"] {
  --bg:          #F7F2E8;
  --sidebar-bg:  #EDE7D8;
  --card-bg:     #FDFAF3;
  --border:      rgba(140,100,30,0.14);
  --border-md:   rgba(140,100,30,0.30);
  --amber:       #9A6C0A;
  --amber-lt:    #B8821C;
  --amber-glow:  rgba(154,108,10,0.07);
  --amber-glow2: rgba(154,108,10,0.04);
  --text:        #3D3020;
  --text-dim:    #7A6648;
  --text-faint:  #C0AE8A;
  --white:       #1A1208;
  /* Material palette overrides for light mode */
  --md-default-bg-color:           #F7F2E8;
  --md-default-bg-color--light:    #FDFAF3;
  --md-default-bg-color--lighter:  #FDFAF3;
  --md-default-bg-color--lightest: #FDFAF3;
  --md-default-fg-color:           #3D3020;
  --md-default-fg-color--light:    #7A6648;
  --md-default-fg-color--lighter:  #C0AE8A;
  --md-default-fg-color--lightest: rgba(61,48,32,0.12);
  --md-primary-fg-color:           #9A6C0A;
  --md-primary-fg-color--light:    #B8821C;
  --md-primary-fg-color--dark:     #7A5208;
  --md-primary-bg-color:           #F7F2E8;
  --md-primary-bg-color--light:    rgba(154,108,10,0.10);
  --md-accent-fg-color:            #B8821C;
  --md-accent-fg-color--transparent: rgba(184,130,28,0.10);
  --md-accent-bg-color:            #F7F2E8;
  --md-code-fg-color:              #3D3020;
  --md-code-bg-color:              #FDFAF3;
  --md-typeset-color:              #3D3020;
  --md-typeset-a-color:            #9A6C0A;
  --md-typeset-mark-color:         rgba(154,108,10,0.30);
  --md-typeset-kbd-color:          #FDFAF3;
  --md-typeset-kbd-border-color:   rgba(140,100,30,0.30);
  --md-admonition-bg-color:        #FDFAF3;
  --md-footer-bg-color:            #EDE7D8;
  --md-footer-bg-color--dark:      #F7F2E8;
  --md-footer-fg-color:            #7A6648;
  --md-footer-fg-color--light:     #7A6648;
  --md-footer-fg-color--lighter:   #C0AE8A;
  --md-shadow-z1: 0 0 0 1px rgba(140,100,30,0.10), 0 4px 12px rgba(0,0,0,0.08);
  --md-shadow-z2: 0 0 0 1px rgba(140,100,30,0.13), 0 8px 24px rgba(0,0,0,0.12);
  --md-shadow-z3: 0 0 0 1px rgba(140,100,30,0.18), 0 16px 48px rgba(0,0,0,0.16);
}


/* ── Base ──────────────────────────────────────────────── */
body {
  background: var(--bg);
  font-family: 'Lora', serif;
}

/* ── Header ────────────────────────────────────────────── */
.md-header {
  background-color: var(--sidebar-bg) !important;
  border-bottom: 1px solid var(--border);
  box-shadow: none !important;
}

.md-header__title,
.md-header__topic:first-child {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber) !important;
}

.md-header__topic:last-child {
  color: var(--text-dim) !important;
}

.md-header__button {
  color: var(--text-dim) !important;
}

.md-header__button:hover {
  color: var(--amber) !important;
}

.md-header__button.md-logo {
  display: none !important;
}

/* ── Search ────────────────────────────────────────────── */
.md-search__input {
  background-color: rgba(212,168,67,0.06) !important;
  color: var(--text) !important;
  font-family: 'Lora', serif;
  border: 1px solid var(--border);
}

.md-search__input::placeholder {
  color: var(--text-dim) !important;
}

.md-search-result {
  background-color: var(--card-bg);
}

.md-search-result__meta {
  background-color: var(--sidebar-bg);
  color: var(--text-dim);
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
}

.md-search-result__article {
  background-color: var(--card-bg);
}

.md-search-result__title {
  font-family: 'Lora', serif;
  color: var(--white);
}

.md-search-result__teaser {
  font-family: 'Lora', serif;
  color: var(--text-dim);
}

mark {
  background-color: rgba(212,168,67,0.3);
  color: var(--white);
}

/* ── Sidebar ───────────────────────────────────────────── */
.md-sidebar--primary {
  background-color: var(--sidebar-bg) !important;
  border-right: 1px solid var(--border);
}

.md-sidebar--primary .md-nav__title {
  background-color: var(--sidebar-bg);
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--amber) !important;
  font-style: normal;
}

.md-sidebar--secondary {
  background-color: var(--bg);
  border-left: 1px solid var(--border);
}

.md-nav--primary .md-nav__link {
  font-family: 'Lora', serif;
  font-size: 0.82rem;
  font-style: normal;
  color: var(--text) !important;
  transition: color 0.15s, background 0.15s;
  border-radius: 2px;
}

.md-nav--primary .md-nav__link:hover {
  color: var(--white) !important;
  background: var(--amber-glow);
}

.md-nav--primary .md-nav__link--active {
  color: var(--amber) !important;
  border-left: 2px solid var(--amber);
  padding-left: 0.4rem;
}

.md-nav--secondary .md-nav__link {
  font-family: 'Lora', serif;
  font-size: 0.78rem;
  font-style: normal;
  color: var(--text-dim) !important;
}

.md-nav--secondary .md-nav__link:hover,
.md-nav--secondary .md-nav__link--active {
  color: var(--amber) !important;
}

.md-nav__icon::after {
  background-color: var(--text-dim);
}

/* ── Main content ──────────────────────────────────────── */
.md-main {
  background-color: var(--bg);
}

.md-content {
  background-color: var(--bg);
}

/* ── Typography ────────────────────────────────────────── */
.md-typeset {
  font-family: 'Lora', serif;
  color: var(--text);
  line-height: 1.75;
}

.md-typeset h1 {
  font-family: 'Fraunces', serif;
  font-optical-sizing: auto;
  font-weight: 200;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

.md-typeset h2 {
  font-family: 'Fraunces', serif;
  font-optical-sizing: auto;
  font-weight: 300;
  color: var(--white);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem;
}

.md-typeset h3,
.md-typeset h4 {
  font-family: 'Lora', serif;
  font-weight: 500;
  color: var(--white);
}

.md-typeset h5,
.md-typeset h6 {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.md-typeset a {
  color: var(--amber) !important;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}

.md-typeset a:hover {
  color: var(--amber-lt) !important;
  border-bottom-color: var(--border-md);
}

.md-typeset strong {
  color: var(--white);
  font-weight: 600;
}

.md-typeset em {
  font-style: italic;
}

.md-typeset blockquote {
  border-left: 3px solid var(--amber);
  background: var(--card-bg);
  color: var(--text-dim);
  font-style: italic;
  padding: 0.75rem 1rem;
}

/* ── Code ──────────────────────────────────────────────── */
.md-typeset code {
  font-family: 'DM Mono', monospace !important;
  font-size: 0.82em;
  background-color: var(--card-bg) !important;
  color: var(--amber-lt) !important;
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.1em 0.35em;
}

.md-typeset pre > code {
  background-color: transparent !important;
  border: none;
  padding: 0;
  color: var(--text) !important;
}

.md-typeset pre {
  background-color: var(--card-bg) !important;
  border: 1px solid var(--border);
  border-radius: 2px;
}

.md-typeset pre .filename {
  background-color: rgba(212,168,67,0.08);
  color: var(--amber);
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--border);
}

/* Code copy button */
.md-clipboard {
  color: var(--text-faint) !important;
}
.md-clipboard:hover {
  color: var(--amber) !important;
}

/* ── Tables ─────────────────────────────────────────────── */
.md-typeset table:not([class]) {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 2px;
  font-size: 0.875rem;
}

.md-typeset table:not([class]) th {
  background-color: rgba(212,168,67,0.08);
  color: var(--amber);
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-md);
  font-weight: 400;
}

.md-typeset table:not([class]) td {
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.md-typeset table:not([class]) tr:hover td {
  background-color: var(--amber-glow);
}

/* ── Admonitions ────────────────────────────────────────── */
.md-typeset .admonition,
.md-typeset details {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 2px;
  box-shadow: none;
}

.md-typeset .admonition-title,
.md-typeset summary {
  background-color: rgba(212,168,67,0.08) !important;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber) !important;
}

.md-typeset .admonition-title::before,
.md-typeset summary::before {
  background-color: var(--amber) !important;
}

/* ── Footer ─────────────────────────────────────────────── */
.md-footer {
  background-color: var(--sidebar-bg);
  border-top: 1px solid var(--border);
}

.md-footer-meta {
  background-color: var(--bg);
}

.md-footer__link {
  color: var(--text-dim) !important;
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
}

.md-footer__link:hover {
  color: var(--amber) !important;
}

/* ── Scrollbar ──────────────────────────────────────────── */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--text-faint) transparent;
}

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-faint); border-radius: 2px; }

/* ═══════════════════════════════════════════════════════════
   SIDEBAR TOGGLE SYSTEM
   State managed by nav-tree.js via data-nav on html/body
   ═══════════════════════════════════════════════════════════ */

/* Always show hamburger at all widths */
label.md-header__button[for="__drawer"] {
  display: flex !important;
  order: -2;
}
label.md-header__button[for="__drawer"] svg,
label.md-header__button[for="__drawer"] svg * {
  pointer-events: none;
}

/* Scrollwrap height fix (Material JS locks to 48px) */
.md-sidebar__scrollwrap {
  height: 100% !important;
  max-height: none !important;
  overflow-y: auto !important;
}

/* Pre-hydration default: closed */
@media screen and (max-width: 76.24em) {
  body:not([data-nav]) .md-sidebar--primary {
    transform: translateX(-100%) !important;
  }
  body:not([data-nav]) .md-main {
    margin-left: 0;
  }
}

/* Mobile (< 1220px): persistent fixed sidebar, no overlay */
@media screen and (max-width: 76.24em) {
  .md-overlay { display: none !important; }

  /* iOS Safari: position:sticky on header silently fails during instant-nav transitions.
     Force fixed + compensate container so content starts below the header. */
  .md-header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 400 !important;
  }
  .md-container {
    padding-top: var(--nav-offset, 3.2rem) !important;
  }

  .md-sidebar--primary {
    position: fixed !important;
    top: var(--nav-offset, 3.2rem) !important;
    left: 0 !important;
    bottom: 0 !important;
    height: calc(100vh - var(--nav-offset, 3.2rem)) !important;
    width: 12.1rem !important;
    z-index: 200 !important;
    overflow-y: auto;
    box-shadow: none !important;
    transform: translateX(0) !important;
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1) !important;
  }

  .md-main {
    margin-left: 12.1rem;
    transition: margin-left 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  }

  body[data-nav="closed"] .md-sidebar--primary {
    transform: translateX(-100%) !important;
  }
  body[data-nav="closed"] .md-main {
    margin-left: 0 !important;
  }
}

/* Desktop (>= 1220px): fixed sidebar — same model as mobile.
   The home page template renders hero sections as direct children of
   .md-container before .md-main, so .md-main (and the sidebar inside it)
   sits at the page bottom. position:sticky is useless there.
   Fix: position:fixed makes the sidebar viewport-relative at all widths.  */
@media screen and (min-width: 76.25em) {
  .md-overlay { display: none !important; }

  .md-sidebar--primary,
  .md-sidebar--primary[hidden] {
    display: block !important;
    position: fixed !important;
    top: var(--nav-offset, 3.2rem) !important;
    left: 0 !important;
    bottom: 0 !important;
    height: calc(100vh - var(--nav-offset, 3.2rem)) !important;
    width: 12.1rem !important;
    z-index: 200 !important;
    overflow-y: auto;
    box-shadow: none !important;
    transform: translateX(0) !important;
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1) !important;
  }

  body[data-nav="closed"] .md-sidebar--primary {
    transform: translateX(-100%) !important;
  }
}

/* Sidebar home button */
.nav-home-btn {
  display: block;
  padding: 0.5rem 1rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none !important;
  color: var(--amber) !important;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.3rem;
  transition: background 0.15s;
}
.nav-home-btn:hover {
  background: var(--amber-glow);
}

/* Header home button */
.header-home-btn {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  color: var(--text-dim) !important;
  transition: color 0.2s;
  order: -1;
}
.header-home-btn:hover {
  color: var(--amber) !important;
}
.header-home-btn svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}

/* Logout button */
.ml-logout {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  color: var(--text-dim) !important;
  transition: color 0.2s;
  margin-left: auto;
}
.ml-logout:hover {
  color: var(--amber) !important;
}
.ml-logout svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}

/* Home page: always hide sidebar */
html[data-page="home"]:not([data-nav="open"]) .md-sidebar--primary,
body[data-page="home"]:not([data-nav="open"]) .md-sidebar--primary {
  transform: translateX(-100%) !important;
  visibility: hidden;
  pointer-events: none;
}
html[data-page="home"]:not([data-nav="open"]) .md-main,
body[data-page="home"]:not([data-nav="open"]) .md-main {
  margin-left: 0 !important;
}

/* Home page: hide MkDocs auto-generated h1 */
html[data-page="home"] .md-content__inner > h1:first-child,
body[data-page="home"] .md-content__inner > h1:first-child {
  display: none !important;
}

/* ── Animations ────────────────────────────────────────── */
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════
   NAV TREE (overrides/partials/nav.html — Phase 2)
   ═══════════════════════════════════════════════════════════ */

.ml-brand {
  padding: 1.6rem 1.2rem 1.2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.25rem;
}

.ml-brand-link {
  text-decoration: none !important;
  display: block;
}

.brand-glyph {
  font-family: 'Fraunces', serif;
  font-optical-sizing: auto;
  font-size: 2rem;
  font-weight: 200;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 0.4rem;
  display: block;
}

.brand-name {
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.nav-scroller {
  padding: 0.75rem 0 2rem;
}

.t-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 1.2rem;
  cursor: pointer;
  transition: background 0.15s;
  position: relative;
}

.t-row:hover { background: var(--amber-glow); }

.t-row.is-active { background: var(--amber-glow); }

.t-row.is-active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--amber);
}

.t-row[data-lvl="1"] { padding-left: 1.8rem; }
.t-row[data-lvl="2"] { padding-left: 2.6rem; }
.t-row[data-lvl="3"] { padding-left: 3.3rem; }

.t-icon {
  width: 12px;
  flex-shrink: 0;
  font-size: 0.65rem;
  color: var(--text-dim);
  transition: transform 0.2s ease;
  text-align: center;
  line-height: 1;
}

.t-node.is-open > .t-row .t-icon.chevron {
  transform: rotate(90deg);
}

.t-label {
  flex: 1;
  line-height: 1.35;
  text-decoration: none !important;
}

.t-row[data-lvl="0"] .t-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-lt);
}

.t-row[data-lvl="0"]:hover .t-label { color: var(--amber); }

.t-row[data-lvl="1"] .t-label {
  font-family: 'Lora', serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--white);
}

.t-row[data-lvl="2"] .t-label {
  font-family: 'Lora', serif;
  font-size: 0.78rem;
  color: var(--text);
}

.t-row[data-lvl="3"] .t-label {
  font-family: 'Lora', serif;
  font-size: 0.73rem;
  font-style: italic;
  color: var(--text-dim);
}

.t-row[data-lvl="3"]:hover .t-label { color: var(--amber-lt); }

.t-children { display: none; }
.t-node.is-open > .t-children { display: block; }

.nav-divider {
  height: 1px;
  background: var(--border);
  margin: 0.6rem 1.2rem;
}

/* ═══════════════════════════════════════════════════════════
   HOME PAGE — HERO, SECTIONS, CARDS, COURSES (Phase 3)
   ═══════════════════════════════════════════════════════════ */

/* Content container reset on home page */
html[data-page="home"] .md-content,
body[data-page="home"] .md-content { max-width: none !important; }

html[data-page="home"] .md-content__inner,
body[data-page="home"] .md-content__inner {
  padding: 0 !important;
  margin: 0 !important;
  max-width: none !important;
}

html[data-page="home"] .md-main__inner,
body[data-page="home"] .md-main__inner { padding-top: 0 !important; }

/* ── Hero ──────────────────────────────────────────────── */
.ml-hero {
  padding: 4rem 4.5rem 3.5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 80% at 20% 45%, rgba(212,168,67,0.055), transparent 70%),
    radial-gradient(ellipse 60% 100% at 100% 100%, rgba(60,50,100,0.08), transparent 70%);
}

.ml-hero::before {
  content: 'NOTES';
  position: absolute;
  right: -0.04em;
  top: -0.05em;
  font-family: 'Fraunces', serif;
  font-optical-sizing: auto;
  font-size: 26vw;
  font-weight: 200;
  font-style: italic;
  color: rgba(212,168,67,0.03);
  line-height: 1;
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
}

.hero-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--amber);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  margin-bottom: 1.1rem !important;
}
.hero-eyebrow.is-visible { opacity: 1; transform: none; }

.hero-ornament {
  font-family: 'Fraunces', serif;
  font-optical-sizing: auto;
  font-size: 3.5rem;
  font-weight: 200;
  color: var(--amber);
  line-height: 1;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  margin-bottom: 0.3rem;
  display: block;
}
.hero-ornament.is-visible { opacity: 1; transform: none; }

.hero-title {
  font-family: 'Fraunces', serif !important;
  font-optical-sizing: auto;
  font-size: clamp(3.2rem, 6.5vw, 5.5rem) !important;
  font-weight: 200 !important;
  line-height: 0.95 !important;
  color: var(--white) !important;
  letter-spacing: -0.02em !important;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  margin-bottom: 2rem !important;
  border: none !important;
  padding: 0 !important;
}
.hero-title.is-visible { opacity: 1; transform: none; }

.hero-title em { font-style: italic; color: var(--amber); }

.hero-rule {
  height: 1px;
  background: linear-gradient(to right, var(--amber) 0%, rgba(212,168,67,0.2) 35%, transparent 75%);
  margin-bottom: 1.75rem;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.hero-rule.is-visible { opacity: 1; transform: none; }

.hero-stats {
  display: flex;
  gap: 0;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.hero-stats.is-visible { opacity: 1; transform: none; }

.stat-block { padding: 0 2rem 0 0; }

.stat-block + .stat-block {
  padding-left: 2rem;
  border-left: 1px solid var(--border);
}

.stat-num {
  font-family: 'Fraunces', serif;
  font-optical-sizing: auto;
  font-size: 2.5rem;
  font-weight: 200;
  color: var(--white);
  line-height: 1;
  display: block;
}

.stat-name {
  font-family: 'DM Mono', monospace;
  font-size: 0.57rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: block;
  margin-top: 0.25rem;
}

/* ── Sections ──────────────────────────────────────────── */
.ml-section { padding: 2.5rem 4.5rem; }
.ml-section + .ml-section { border-top: 1px solid var(--border); }

.sec-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.sec-title {
  font-family: 'Fraunces', serif !important;
  font-optical-sizing: auto;
  font-size: 1.1rem !important;
  font-weight: 300 !important;
  color: var(--white) !important;
  white-space: nowrap;
  border: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.sec-rule { flex: 1; height: 1px; background: var(--border); }

.sec-meta {
  font-family: 'DM Mono', monospace;
  font-size: 0.57rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
}

/* ── Note cards ─────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 1rem;
}

.note-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 1px;
  padding: 1.5rem 1.5rem 1.25rem;
  cursor: pointer;
  transition: opacity 0.45s ease, border-color 0.2s, box-shadow 0.2s, transform 0.22s;
  position: relative;
  overflow: hidden;
  opacity: 0;
}
.note-card.is-visible { opacity: 1; }

.note-card:hover {
  border-color: var(--border-md);
  box-shadow: 0 0 0 1px rgba(212,168,67,0.1), 0 8px 36px rgba(0,0,0,0.45);
  transform: translateY(-2px);
}

.note-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, var(--amber), transparent 65%);
  opacity: 0;
  transition: opacity 0.2s;
}
.note-card:hover::before { opacity: 0.7; }

.nc-course {
  font-family: 'DM Mono', monospace;
  font-size: 0.57rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  opacity: 0.65;
  margin-bottom: 0.55rem !important;
}

.nc-title {
  font-family: 'Lora', serif;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--white);
  line-height: 1.42;
  margin-bottom: 0.4rem !important;
}

.nc-chapter {
  font-family: 'Lora', serif;
  font-size: 0.74rem;
  font-style: italic;
  color: var(--text-dim);
  margin-bottom: 1rem !important;
  line-height: 1.4;
}

.nc-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nc-date {
  font-family: 'DM Mono', monospace;
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  color: var(--text-faint);
}

.nc-arrow {
  font-size: 0.8rem;
  color: var(--amber);
  opacity: 0;
  transition: opacity 0.18s, transform 0.18s;
}
.note-card:hover .nc-arrow { opacity: 0.8; transform: translateX(3px); }

/* ── Course rows ─────────────────────────────────────────── */
.courses-list { display: flex; flex-direction: column; gap: 0.7rem; }

.course-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.1rem 1.4rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 1px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.course-row:hover {
  border-color: var(--border-md);
  background: rgba(12,15,37,0.85);
}

.cr-idx {
  font-family: 'Fraunces', serif;
  font-optical-sizing: auto;
  font-size: 1.6rem;
  font-weight: 200;
  color: var(--text-faint);
  width: 2.5rem;
  flex-shrink: 0;
  line-height: 1;
}

.cr-info { flex: 1; min-width: 0; }

.cr-name {
  font-family: 'Lora', serif;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.22rem !important;
}

.cr-meta {
  font-family: 'DM Mono', monospace;
  font-size: 0.57rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin: 0 !important;
}

.cr-progress { width: 110px; flex-shrink: 0; }

.cr-bar {
  height: 2px;
  background: var(--text-faint);
  border-radius: 1px;
  overflow: hidden;
  margin-bottom: 0.3rem;
}

.cr-fill {
  height: 100%;
  background: linear-gradient(to right, var(--amber), var(--amber-lt));
  border-radius: 1px;
  transition: width 0.6s 0.3s ease;
}

.cr-pct {
  font-family: 'DM Mono', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-align: right;
  margin: 0 !important;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 960px) {
  .ml-hero { padding: 2.5rem 2rem 2rem; }
  .ml-section { padding: 2rem; }
  .ml-hero::before { font-size: 40vw; }
}

@media (max-width: 600px) {
  .hero-title { font-size: 2.8rem !important; }
  .hero-ornament { font-size: 2.5rem; }
  .stat-num { font-size: 1.8rem; }
  .stat-block + .stat-block { padding-left: 1.25rem; }
  .stat-block { padding-right: 1.25rem; }
  .cards-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════
   FLASHCARDS (flashcard-injector.js — Phase 5)
   ═══════════════════════════════════════════════════════════ */

.fc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.9rem;
  margin: 1.5rem 0 2rem;
}

.fc-card {
  height: 148px;
  cursor: pointer;
  perspective: 900px;
}

.fc-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.42s cubic-bezier(0.4, 0, 0.2, 1);
}

.fc-card.is-flipped .fc-inner {
  transform: rotateY(180deg);
}

.fc-front,
.fc-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.9rem 1rem 0.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.fc-front { background: var(--card-bg); }

.fc-back {
  background: rgba(212,168,67,0.07);
  border-color: var(--border-md);
  transform: rotateY(180deg);
}

.fc-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.54rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--amber);
  flex-shrink: 0;
}

.fc-text {
  font-family: 'Lora', serif;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text);
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  align-self: flex-start;
  width: 100%;
  margin: 0 !important;
}

.fc-back .fc-text { color: var(--white); }

.fc-hint {
  font-family: 'DM Mono', monospace;
  font-size: 0.5rem;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  text-align: right;
  flex-shrink: 0;
}

.fc-card.is-flipped .fc-hint { display: none; }