:root {
  /* Colour palette */
  --ink:        #0d0d0d;
  --paper:      #f5f0e8;
  --dark:       #111009;
  --dark-2:     #1a1510;
  --dark-3:     #242018;

  --gold:       #c9a84c;
  --gold-dim:   rgba(201, 168, 76, .13);
  --gold-glow:  rgba(201, 168, 76, .06);

  --accent:     #c8502a;
  --muted:      #6b6560;

  --border:     #d4ccc0;
  --border-dk:  rgba(255, 255, 255, .07);

  /* Layout */
  --sidebar-collapsed: 52px;
  --sidebar-expanded:  260px;
  --nav-h:             56px;
  --content-max:       1020px;

  /* Motion */
  --ease: cubic-bezier(.16, 1, .3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin:     0;
  padding:    0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background:  var(--paper);
  color:       var(--ink);
  font-family: 'DM Sans', sans-serif;
  font-size:   1.0625rem;
  line-height: 1.75;
  overflow-x:  hidden;
}

/* Arabic font override */
body.font-arabic {
  font-family: 'Cairo', sans-serif;
}

body.font-arabic .section h2,
body.font-arabic .hero h1,
body.font-arabic .pillar-item h3,
body.font-arabic .acc-trigger,
body.font-arabic .highlight,
body.font-arabic .handbook-title {
  font-family: 'Cairo', serif;
}

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


:focus:not(:focus-visible) { outline: none; }


::-webkit-scrollbar       { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #2a2520; border-radius: 2px; }


.mt-2 { margin-top: 2rem; }


@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0);    }
}


.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-collapsed) 1fr;
  grid-template-rows:    var(--nav-h) 1fr;
  min-height: 100vh;
  transition: grid-template-columns .35s var(--ease);
}

.app-shell.sidebar-open {
  grid-template-columns: var(--sidebar-expanded) 1fr;
}

.top-nav {
  grid-column: 1 / -1;
  grid-row:    1;
  position:    sticky;
  top:         0;
  z-index:     200;
  background:  var(--dark);
  border-bottom: 1px solid var(--border-dk);
  display:     flex;
  align-items: center;
  height:      var(--nav-h);
  padding-right: .75rem;
}

/* Hamburger wrap */
.nav-hamburger-wrap {
  width:        var(--sidebar-collapsed);
  flex-shrink:  0;
  display:      flex;
  align-items:  center;
  justify-content: center;
  height:       100%;
  border-right: 1px solid var(--border-dk);
  transition:   width .35s var(--ease);
}

.app-shell.sidebar-open .nav-hamburger-wrap {
  width: var(--sidebar-expanded);
}

/* Hamburger button */
.nav-hamburger {
  background:     none;
  border:         none;
  cursor:         pointer;
  display:        flex;
  flex-direction: column;
  gap:            5px;
  padding:        8px;
}

.nav-hamburger span {
  display:          block;
  width:            20px;
  height:           1.5px;
  background:       #777;
  transition:       transform .25s var(--ease), opacity .2s, width .2s, background .2s;
  transform-origin: center;
}

.nav-hamburger:hover span                  { background: var(--gold); }
.nav-hamburger.active span:nth-child(1)    { transform: translateY(6.5px) rotate(45deg);  background: var(--gold); }
.nav-hamburger.active span:nth-child(2)    { opacity: 0; width: 0; }
.nav-hamburger.active span:nth-child(3)    { transform: translateY(-6.5px) rotate(-45deg); background: var(--gold); }

/* Logo */
.nav-logo {
  font-family:     'Playfair Display', serif;
  color:           var(--gold);
  font-size:       .85rem;
  letter-spacing:  .1em;
  text-transform:  uppercase;
  text-decoration: none;
  flex:            1;
  padding-left:    1.25rem;
  white-space:     nowrap;
  overflow:        hidden;
}

/* Right controls cluster */
.nav-right {
  display:     flex;
  align-items: center;
  gap:         .5rem;
  margin-left: auto;
}

.lang-toggle {
  background:      none;
  border:          1px solid var(--border-dk);
  color:           #777;
  font-family:     'DM Mono', monospace;
  font-size:       .7rem;
  letter-spacing:  .1em;
  padding:         .32rem .75rem;
  cursor:          pointer;
  transition:      border-color .2s, color .2s, background .2s;
}

.lang-toggle:hover {
  border-color: var(--gold);
  color:        var(--gold);
  background:   var(--gold-dim);
}

.nav-search-btn {
  background:  none;
  border:      none;
  cursor:      pointer;
  color:       #555;
  padding:     8px;
  transition:  color .2s;
  display:     flex;
  align-items: center;
}

.nav-search-btn:hover { color: var(--gold); }

.main-content {
  grid-column: 2;
  grid-row:    2;
  min-width:   0;
}

@media (max-width: 900px) {

  .app-shell,
  .app-shell.sidebar-open {
    grid-template-columns: 1fr;
  }

  .nav-hamburger-wrap,
  .app-shell.sidebar-open .nav-hamburger-wrap {
    width:        52px;
    border-right: none;
  }

  .main-content {
    grid-column: 1;
  }
}


.sidebar {
  grid-column: 1;
  grid-row:    2;
  position:    sticky;
  top:         var(--nav-h);
  height:      calc(100vh - var(--nav-h));
  overflow:    hidden;
  background:  var(--dark-2);
  border-right: 1px solid var(--border-dk);
  width:       var(--sidebar-collapsed);
  transition:  width .35s var(--ease);
}

.app-shell.sidebar-open .sidebar {
  width:      var(--sidebar-expanded);
  overflow-y: auto;
}

/* Thin scrollbar inside sidebar */
.sidebar::-webkit-scrollbar       { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--dark-3); }

/* Inner container — always full expanded width so labels don't reflow */
.sidebar-inner {
  width:      var(--sidebar-expanded);
  min-height: 100%;
}

.sidebar-header {
  padding:      1.1rem 1.1rem .65rem;
  border-bottom: 1px solid var(--border-dk);
  opacity:      0;
  transition:   opacity .2s;
  white-space:  nowrap;
}

.app-shell.sidebar-open .sidebar-header {
  opacity:          1;
  transition-delay: .15s;
}

.sidebar-title {
  font-family:    'DM Mono', monospace;
  font-size:      .62rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color:          #444;
}

.sidebar-section { padding: .6rem 0; }

.sidebar-section-label {
  font-family:    'DM Mono', monospace;
  font-size:      .58rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color:          #3a3530;
  padding:        0 1.1rem .4rem;
  opacity:        0;
  transition:     opacity .2s;
  white-space:    nowrap;
}

.app-shell.sidebar-open .sidebar-section-label {
  opacity:          1;
  transition-delay: .12s;
}

.sidebar-link {
  display:         flex;
  align-items:     center;
  height:          38px;
  padding:         0;
  text-decoration: none;
  color:           #5a5550;
  font-size:       .82rem;
  transition:      background .15s, color .15s;
  position:        relative;
  overflow:        hidden;
  white-space:     nowrap;
  cursor:          pointer;
}

.sidebar-link:hover {
  background: rgba(255, 255, 255, .04);
  color:      #bbb;
}

/* Active state */
.sidebar-link.active {
  color:      var(--gold);
  background: var(--gold-glow);
}

.sidebar-link.active::before {
  content:    '';
  position:   absolute;
  left:       0;
  top:        0;
  bottom:     0;
  width:      2px;
  background: var(--gold);
}

.link-num {
  font-family:    'DM Mono', monospace;
  font-size:      .62rem;
  color:          #3a3530;
  flex-shrink:    0;
  width:          var(--sidebar-collapsed);
  text-align:     center;
  transition:     color .15s;
}

.sidebar-link:hover .link-num  { color: #777; }
.sidebar-link.active .link-num { color: var(--gold); }

.link-label {
  font-size:      .81rem;
  opacity:        0;
  transform:      translateX(-8px);
  transition:     opacity .22s, transform .22s;
  pointer-events: none;
  flex:           1;
}

.app-shell.sidebar-open .link-label {
  opacity:          1;
  transform:        translateX(0);
  transition-delay: .1s;
}

.link-badge {
  margin-left:    auto;
  margin-right:   .85rem;
  font-size:      .54rem;
  font-family:    'DM Mono', monospace;
  letter-spacing: .06em;
  padding:        .1rem .35rem;
  background:     var(--dark-3);
  color:          #3a3530;
  text-transform: uppercase;
  opacity:        0;
  transition:     opacity .2s;
  flex-shrink:    0;
}

.app-shell.sidebar-open .link-badge {
  opacity:          1;
  transition-delay: .18s;
}

.sidebar-link.active .link-badge {
  background: var(--gold-dim);
  color:      var(--gold);
}

.sidebar-divider {
  height:     1px;
  background: var(--border-dk);
  margin:     .35rem .75rem;
}


.app-shell:not(.sidebar-open) .sidebar-link[data-tooltip]:hover::after {
  content:    attr(data-tooltip);
  position:   absolute;
  left:       calc(var(--sidebar-collapsed) + 8px);
  top:        50%;
  transform:  translateY(-50%);
  background: var(--dark-3);
  color:      #ddd;
  font-size:  .75rem;
  font-family: 'DM Sans', sans-serif;
  padding:    .35rem .75rem;
  white-space: nowrap;
  z-index:    300;
  border:     1px solid var(--border-dk);
  box-shadow: 4px 4px 20px rgba(0, 0, 0, .5);
  pointer-events: none;
}

.sidebar-overlay {
  display:         none;
  position:        fixed;
  inset:           0;
  top:             var(--nav-h);
  background:      rgba(0, 0, 0, .55);
  z-index:         140;
  backdrop-filter: blur(2px);
}

.sidebar-overlay.open { display: block; }

@media (max-width: 900px) {

  .sidebar,
  .app-shell.sidebar-open .sidebar {
    grid-column: 1;
    position:    fixed;
    top:         var(--nav-h);
    left:        0;
    width:       var(--sidebar-expanded);
    height:      calc(100vh - var(--nav-h));
    z-index:     150;
    transform:   translateX(-100%);
    overflow-y:  auto;
    transition:  transform .35s var(--ease);
  }

  .app-shell.sidebar-open .sidebar { transform: translateX(0); }

  /* Force-show all labels & badges on mobile (sidebar is always "open" visually) */
  .sidebar-header,
  .sidebar-section-label,
  .link-badge    { opacity: 1 !important; }

  .link-label    { opacity: 1 !important; transform: none !important; }
}


.search-overlay {
  position:        fixed;
  inset:           0;
  z-index:         400;
  background:      rgba(10, 9, 7, .88);
  backdrop-filter: blur(8px);
  display:         flex;
  flex-direction:  column;
  align-items:     center;
  padding-top:     10vh;
  opacity:         0;
  pointer-events:  none;
  transition:      opacity .2s;
}

.search-overlay.open {
  opacity:        1;
  pointer-events: all;
}

.search-box {
  width:       min(680px, 92vw);
  background:  var(--dark-2);
  border:      1px solid rgba(255, 255, 255, .1);
  display:     flex;
  align-items: center;
  gap:         .75rem;
  padding:     .85rem 1.2rem;
}

.search-box svg { color: #555; flex-shrink: 0; }

.search-input {
  flex:        1;
  background:  none;
  border:      none;
  outline:     none;
  font-family: 'DM Sans', sans-serif;
  font-size:   1.05rem;
  color:       #e8e0d0;
}

.search-input::placeholder { color: #3a3530; }

.search-close {
  background:     none;
  border:         none;
  cursor:         pointer;
  color:          #555;
  font-size:      .72rem;
  font-family:    'DM Mono', monospace;
  letter-spacing: .1em;
  padding:        4px 6px;
  transition:     color .15s;
}

.search-close:hover { color: #ccc; }

.search-results {
  width:         min(680px, 92vw);
  margin-top:    2px;
  max-height:    55vh;
  overflow-y:    auto;
  scrollbar-width: thin;
}

.search-empty {
  padding:        2rem 1.5rem;
  color:          #555;
  font-size:      .88rem;
  text-align:     center;
  font-family:    'DM Mono', monospace;
  letter-spacing: .06em;
}

.search-result-item {
  display:         block;
  padding:         .85rem 1.2rem;
  background:      var(--dark-2);
  border-top:      1px solid var(--border-dk);
  text-decoration: none;
  cursor:          pointer;
  transition:      background .12s;
}

.search-result-item:hover,
.search-result-item:focus-visible {
  outline:        2px solid var(--gold);
  outline-offset: 2px;
}

.search-result-item:focus {
  background: var(--dark-3);
  outline:    none;
}

.result-chapter {
  font-family:    'DM Mono', monospace;
  font-size:      .6rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color:          var(--gold);
  margin-bottom:  .2rem;
}

.result-title {
  font-family:   'Playfair Display', serif;
  font-size:     .95rem;
  color:         #e8e0d0;
  margin-bottom: .22rem;
}

.result-snippet {
  font-size:             .78rem;
  color:                 #5a5550;
  line-height:           1.5;
  display:               -webkit-box;
  -webkit-line-clamp:    2;
  -webkit-box-orient:    vertical;
  overflow:              hidden;
}

/* Highlight mark inside snippets */
.result-snippet mark {
  background:    var(--gold-dim);
  color:         var(--gold);
  border-radius: 2px;
  padding:       0 2px;
}


.hero {
  background:  var(--dark);
  min-height:  calc(100vh - var(--nav-h));
  display:     flex;
  align-items: center;
  padding:     5rem 4rem 4rem;
  position:    relative;
  overflow:    hidden;
}

/* Ambient gradient backdrop */
.hero::before {
  content:  '';
  position: absolute;
  inset:    0;
  background:
    radial-gradient(ellipse 60% 50% at 25% 40%, rgba(201, 168, 76, .055) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 75%, rgba(200, 80, 42, .035)  0%, transparent 55%);
  pointer-events: none;
}

.hero-inner { max-width: var(--content-max); }

/* Animated entrance sequence */
.hero-eyebrow {
  font-family:    'DM Mono', monospace;
  font-size:      .67rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color:          var(--gold);
  margin-bottom:  1.2rem;
  opacity:        0;
  animation:      fadeUp .5s .1s var(--ease) forwards;
}

.hero h1 {
  font-family:   'Playfair Display', serif;
  font-size:     clamp(2.5rem, 5.2vw, 4.8rem);
  font-weight:   900;
  line-height:   1.06;
  color:         #f0ece3;
  margin-bottom: 1.4rem;
  opacity:       0;
  animation:     fadeUp .55s .22s var(--ease) forwards;
}

.hero h1 em { font-style: italic; color: var(--gold); }

.hero-sub {
  color:         #6a6560;
  font-size:     1rem;
  max-width:     600px;
  font-weight:   300;
  margin-bottom: .75rem;
  opacity:       0;
  animation:     fadeUp .55s .34s var(--ease) forwards;
}

.hero-meta {
  color:          #3a3530;
  font-size:      .78rem;
  font-family:    'DM Mono', monospace;
  letter-spacing: .08em;
  margin-bottom:  2.25rem;
  opacity:        0;
  animation:      fadeUp .5s .42s var(--ease) forwards;
}

.hero-cta {
  display:         inline-block;
  padding:         .82rem 2.1rem;
  background:      var(--accent);
  color:           #fff;
  text-decoration: none;
  font-size:       .78rem;
  letter-spacing:  .1em;
  text-transform:  uppercase;
  font-weight:     500;
  transition:      background .2s, transform .15s;
  opacity:         0;
  animation:       fadeUp .5s .5s var(--ease) forwards;
}

.hero-cta:hover {
  background: #aa3d1e;
  transform:  translateY(-2px);
}

.hero-pillars {
  display:               grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap:                   1px;
  margin-top:            3.5rem;
  border:                1px solid var(--border-dk);
  opacity:               0;
  animation:             fadeUp .55s .62s var(--ease) forwards;
}

.hero-pillar {
  background:      rgba(255, 255, 255, .02);
  padding:         1.2rem 1.3rem;
  text-decoration: none;
  transition:      background .2s;
  display:         block;
  cursor:          default;
}

.hero-pillar.linked          { cursor: pointer; }
.hero-pillar.linked:hover    { background: var(--gold-glow); }

.hero-pillar-icon {
  margin-bottom: .55rem;
  color:         #666;
  transition:    color .2s;
}

.hero-pillar.linked:hover .hero-pillar-icon { color: var(--gold); }

.hero-pillar-title {
  font-family:   'Playfair Display', serif;
  font-size:     .9rem;
  color:         #bbb;
  margin-bottom: .2rem;
  display:       block;
}

.hero-pillar.linked:hover .hero-pillar-title { color: var(--gold); }

.hero-pillar-sub { font-size: .72rem; color: #444; }

.chapter-page-hero {
  background:       var(--dark);
  padding:          5rem 4rem 4rem;
  position:         relative;
  overflow:         hidden;
  scroll-margin-top: var(--nav-h);
}

.chapter-page-hero::before {
  content:  '';
  position: absolute;
  inset:    0;
  background: radial-gradient(ellipse 50% 60% at 20% 50%, rgba(201, 168, 76, .05) 0%, transparent 65%);
  pointer-events: none;
}

.chapter-hero-inner {
  max-width: var(--content-max);
  margin:    0 auto;
  position:  relative;
  z-index:   1;
}

.chapter-hero-eyebrow {
  font-family:    'DM Mono', monospace;
  font-size:      .67rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color:          var(--gold);
  margin-bottom:  1rem;
}

.chapter-page-hero h1 {
  font-family:   'Playfair Display', serif;
  font-size:     clamp(2rem, 4.2vw, 3.6rem);
  font-weight:   900;
  color:         #f0ece3;
  line-height:   1.1;
  margin-bottom: 1rem;
}

.chapter-page-hero h1 em { color: var(--gold); font-style: italic; }

.chapter-page-hero .hero-sub {
  color:         #5a5550;
  font-size:     .97rem;
  max-width:     580px;
  margin-bottom: 0;
  font-weight:   300;
}

/* Back link inside chapter hero */
.chapter-page-hero .back-link,
.back-link {
  font-family:     'DM Mono', monospace;
  font-size:       .68rem;
  letter-spacing:  .1em;
  text-transform:  uppercase;
  color:           #555;
  text-decoration: none;
  display:         inline-flex;
  align-items:     center;
  gap:             .5rem;
  margin-bottom:   1.75rem;
  transition:      color .15s;
}

.chapter-page-hero .back-link:hover,
.back-link:hover { color: var(--gold); }


@media (max-width: 600px) {
  .hero              { padding: 3.5rem 1.5rem 3rem; }
  .chapter-page-hero { padding: 3.5rem 1.5rem; }
}


.section {
  max-width:        var(--content-max);
  margin:           0 auto;
  padding:          5.5rem 4rem;
  scroll-margin-top: var(--nav-h);
}

.section + .section { border-top: 1px solid var(--border); }

.section p             { color: #3d3830; margin-bottom: 1.1rem; }
.section p:last-child  { margin-bottom: 0; }

.chapter-label {
  font-family:    'DM Mono', monospace;
  font-size:      .64rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color:          var(--accent);
  margin-bottom:  .7rem;
  display:        flex;
  align-items:    center;
  gap:            .75rem;
}

.chapter-label::after {
  content:    '';
  flex:       1;
  height:     1px;
  background: var(--border);
}

.section h2 {
  font-family:   'Playfair Display', serif;
  font-size:     clamp(1.6rem, 2.7vw, 2.45rem);
  font-weight:   700;
  line-height:   1.18;
  margin-bottom: 1.15rem;
}

.highlight {
  background:   var(--dark-2);
  color:        #e8e0d0;
  padding:      1.75rem 2.25rem;
  margin:       1.75rem 0;
  border-left:  3px solid var(--gold);
  font-family:  'Playfair Display', serif;
  font-style:   italic;
  font-size:    1.05rem;
  line-height:  1.65;
}

.card-grid {
  display:               grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap:                   1.15rem;
  margin-top:            1.7rem;
}

.card {
  background: #fff;
  border:     1px solid var(--border);
  padding:    1.35rem 1.4rem;
  transition: border-color .2s, transform .2s;
}

.card:hover {
  border-color: var(--gold);
  transform:    translateY(-2px);
}

.card-num {
  font-family:    'DM Mono', monospace;
  font-size:      .6rem;
  color:          var(--gold);
  letter-spacing: .12em;
  margin-bottom:  .38rem;
  display:        block;
}

.card h3 {
  font-family:   'Playfair Display', serif;
  font-size:     .92rem;
  margin-bottom: .32rem;
}

.card p {
  font-size:   .845rem;
  color:       var(--muted);
  margin:      0;
  line-height: 1.6;
}

.pillar-list { margin-top: 2rem; }

.pillar-item {
  display:               grid;
  grid-template-columns: 180px 1fr;
  gap:                   0 3rem;
  border-top:            1px solid var(--border);
  padding:               2rem 0;
  align-items:           start;
}

.pillar-item:last-child { border-bottom: 1px solid var(--border); }

.pillar-meta {
  display:        flex;
  flex-direction: column;
  gap:            .55rem;
  padding-top:    .2rem;
}

.pillar-tag {
  font-family:    'DM Mono', monospace;
  font-size:      .58rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color:          var(--accent);
  white-space:    nowrap;
}

.pillar-num {
  font-family:    'DM Mono', monospace;
  font-size:      2.2rem;
  font-weight:    400;
  color:          rgba(201, 168, 76, .12);
  line-height:    1;
  letter-spacing: -.02em;
}

.pillar-content h3 {
  font-family:   'Playfair Display', serif;
  font-size:     1.08rem;
  margin-bottom: .5rem;
  line-height:   1.25;
}

.pillar-content p {
  font-size:   .87rem;
  color:       var(--muted);
  margin:      0;
  line-height: 1.72;
}

@media (max-width: 680px) {
  .pillar-item { grid-template-columns: 1fr; gap: .5rem 0; }
  .pillar-num  { display: none; }
}

.handbook-grid {
  display:               grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap:                   1.4rem;
  margin-top:            2rem;
}

.handbook-card {
  background:      var(--dark-2);
  border:          1px solid var(--border-dk);
  padding:         2rem;
  text-decoration: none;
  display:         block;
  transition:      border-color .2s, background .2s;
  position:        relative;
  overflow:        hidden;
}

.handbook-card::before {
  content:    '';
  position:   absolute;
  inset:      0;
  background: radial-gradient(circle at 80% 20%, var(--gold-glow) 0%, transparent 60%);
  opacity:    0;
  transition: opacity .3s;
}

.handbook-card:hover:not(.disabled) { border-color: rgba(201, 168, 76, .3); }
.handbook-card:hover:not(.disabled)::before { opacity: 1; }

.handbook-card.disabled { pointer-events: none; opacity: .4; }

.handbook-eyebrow {
  font-family:    'DM Mono', monospace;
  font-size:      .58rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color:          var(--gold);
  margin-bottom:  .7rem;
  display:        block;
}

.handbook-title {
  font-family:   'Playfair Display', serif;
  font-size:     1.15rem;
  color:         #e8e0d0;
  margin-bottom: .55rem;
  line-height:   1.3;
}

.handbook-desc {
  font-size:   .82rem;
  color:       #5a5550;
  line-height: 1.6;
}

.handbook-arrow {
  position:   absolute;
  right:      1.4rem;
  bottom:     1.4rem;
  color:      var(--gold);
  font-size:  .75rem;
  font-family: 'DM Mono', monospace;
  opacity:    0;
  transition: opacity .2s, transform .2s;
}

.handbook-card:hover:not(.disabled) .handbook-arrow {
  opacity:   1;
  transform: translateX(3px);
}

.handbook-badge {
  position:       absolute;
  top:            1.15rem;
  right:          1.15rem;
  font-family:    'DM Mono', monospace;
  font-size:      .56rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  background:     var(--dark-3);
  color:          #444;
  padding:        .18rem .48rem;
}

.checklist { list-style: none; margin-top: 1.4rem; }

.checklist li {
  display:       flex;
  align-items:   flex-start;
  gap:           .85rem;
  padding:       .72rem 0;
  border-bottom: 1px solid var(--border);
  font-size:     .88rem;
}

.checklist li:last-child { border: none; }

.check-icon {
  width:       18px;
  height:      18px;
  border:      1.5px solid var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  position:    relative;
  margin-top:  3px;
}

.check-icon::before,
.check-icon::after {
  content:       '';
  position:      absolute;
  background:    var(--accent);
  border-radius: 1px;
}

.check-icon::before {
  width:     5px;
  height:    1.5px;
  bottom:    6px;
  left:      3px;
  transform: rotate(45deg);
}

.check-icon::after {
  width:     8px;
  height:    1.5px;
  bottom:    7px;
  left:      5px;
  transform: rotate(-52deg);
}

.accordion { margin-top: 1.5rem; }

.acc-item                  { border-top: 1px solid var(--border); }
.acc-item:last-child       { border-bottom: 1px solid var(--border); }

.acc-trigger {
  width:           100%;
  background:      none;
  border:          none;
  cursor:          pointer;
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  padding:         .88rem 0;
  font-family:     'Playfair Display', serif;
  font-size:       .96rem;
  text-align:      left;
  color:           var(--ink);
  gap:             1rem;
}

.acc-icon {
  font-size:  .95rem;
  color:      var(--accent);
  flex-shrink: 0;
  transition: transform .22s;
}

.acc-item.open .acc-icon { transform: rotate(45deg); }

.acc-body {
  max-height: 0;
  overflow:   hidden;
  transition: max-height .3s ease;
}

.acc-body-inner {
  padding-bottom: .95rem;
  color:          var(--muted);
  font-size:      .865rem;
  line-height:    1.7;
}

.formula {
  background:     #fff9ee;
  border:         1px solid rgba(201, 168, 76, .3);
  padding:        1.5rem 1.75rem;
  margin:         1.5rem 0;
  font-family:    'DM Mono', monospace;
  font-size:      .8rem;
  letter-spacing: .03em;
  line-height:    2.1;
  color:          #3d3830;
}

.formula strong { color: var(--accent); }

.table-wrap {
  overflow-x: auto;
  margin-top: 1.4rem;
  border:     1px solid var(--border);
}

table {
  width:           100%;
  border-collapse: collapse;
  font-size:       .845rem;
}

thead th {
  background:     var(--dark-2);
  color:          var(--gold);
  font-family:    'DM Mono', monospace;
  font-size:      .63rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding:        .72rem 1rem;
  text-align:     left;
  white-space:    nowrap;
}

tbody tr           { border-bottom: 1px solid var(--border); }
tbody tr:hover     { background: #faf6ef; }

tbody td {
  padding:       .72rem 1rem;
  color:         #3d3830;
  vertical-align: top;
}

tbody td:first-child { font-weight: 500; }

.steps-list {
  margin-top:     2rem;
  display:        flex;
  flex-direction: column;
  gap:            0;
  counter-reset:  step-counter;
}

.step-item {
  display:               grid;
  grid-template-columns: 56px 1fr;
  gap:                   0;
  padding:               1.75rem 0;
  border-top:            1px solid var(--border);
  position:              relative;
}

.step-item:last-child { border-bottom: 1px solid var(--border); }

.step-number {
  font-family:    'DM Mono', monospace;
  font-size:      2rem;
  font-weight:    400;
  color:          rgba(201, 168, 76, .18);
  line-height:    1;
  padding-top:    .15rem;
  letter-spacing: -.02em;
  flex-shrink:    0;
}

.step-body { padding-left: .5rem; }

.step-body h4 {
  font-family:   'Playfair Display', serif;
  font-size:     1.05rem;
  color:         var(--ink);
  margin-bottom: .5rem;
  line-height:   1.3;
}

.step-body p {
  font-size:   .87rem;
  color:       var(--muted);
  margin:      0;
  line-height: 1.7;
}

.step-body a           { color: var(--gold); text-decoration: none; }
.step-body a:hover     { text-decoration: underline; }

@media (max-width: 600px) {
  .step-item   { grid-template-columns: 1fr; }
  .step-number { font-size: 1.4rem; margin-bottom: .25rem; }
  .step-body   { padding-left: 0; }
}

.dark-section {
  background: var(--dark);
  padding:    5rem 4rem;
}

.dark-section-inner {
  max-width: var(--content-max);
  margin:    0 auto;
}

.dark-section h2 {
  font-family:   'Playfair Display', serif;
  font-size:     1.85rem;
  color:         #f0ece3;
  margin-bottom: 2.2rem;
}

.prog-item { margin-bottom: 1.25rem; }

.prog-label {
  display:         flex;
  justify-content: space-between;
  font-size:       .73rem;
  letter-spacing:  .06em;
  text-transform:  uppercase;
  color:           #666;
  margin-bottom:   .36rem;
}

.prog-label span:last-child {
  color:       var(--gold);
  font-family: 'DM Mono', monospace;
}

.prog-bar {
  height:     3px;
  background: #1e1b14;
  overflow:   hidden;
}

.prog-fill {
  height:     100%;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  width:      0;
  transition: width 1.4s var(--ease);
}


.reveal {
  opacity:    0;
  transform:  translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}

.reveal.in {
  opacity:   1;
  transform: none;
}


footer {
  background:  var(--dark);
  border-top:  1px solid var(--border-dk);
  padding:     2.5rem 4rem;
  text-align:  center;
}

footer p        { color: #3a3530; font-size: .78rem; }
footer strong   { color: var(--gold); font-family: 'Playfair Display', serif; }
footer p a      { color: var(--gold); font-family: 'Playfair Display', serif; text-decoration: none; }


@media (max-width: 600px) {
  .section      { padding: 4rem 1.5rem; }
  .dark-section { padding: 3.5rem 1.5rem; }
  footer        { padding: 2.5rem 1.5rem; }
}


.pdf-widget {
  position:   fixed;
  bottom:     2rem;
  right:      2rem;
  z-index:    350;
  width:      56px;
  height:     56px;

  /* Enters after first scroll */
  opacity:        0;
  transform:      translateY(12px) scale(.88);
  pointer-events: none;
  transition:     opacity .4s var(--ease), transform .4s var(--ease);
}

.pdf-widget.pdf-visible {
  opacity:        1;
  transform:      translateY(0) scale(1);
  pointer-events: all;
}

.pdf-ring {
  position:  absolute;
  inset:     0;
  width:     100%;
  height:    100%;
  transform: rotate(-90deg); /* fill starts from 12 o'clock */
}

.pdf-ring-track {
  stroke:       rgba(255, 255, 255, .06);
  stroke-width: 2.5;
}

.pdf-ring-fill {
  stroke:          var(--gold);
  stroke-width:    2.5;
  stroke-linecap:  round;
  transition:      stroke-dashoffset .45s var(--ease), stroke .4s;
}

/* Ring turns accent-red once unlocked */
.pdf-widget.pdf-unlocked .pdf-ring-fill { stroke: var(--accent); }

.pdf-btn {
  position:        absolute;
  inset:           5px;
  border-radius:   50%;
  background:      var(--dark-2);
  border:          1px solid var(--border-dk);
  cursor:          pointer;
  display:         flex;
  flex-direction:  column;
  align-items:     center;
  justify-content: center;
  gap:             0;
  transition:      background .2s, border-color .2s, box-shadow .2s;
}

.pdf-btn:hover {
  background:   var(--dark-3);
  border-color: rgba(201, 168, 76, .3);
  box-shadow:   0 4px 24px rgba(0, 0, 0, .45);
}

.pdf-widget.pdf-unlocked .pdf-btn:hover {
  border-color: rgba(200, 80, 42, .4);
}

.pdf-icon {
  width:      16px;
  height:     16px;
  flex-shrink: 0;
  transition: opacity .25s, transform .25s;
}

.pdf-icon-lock { color: #666; }
.pdf-icon-dl   { color: var(--accent); position: absolute; }

/* Locked: show lock, hide arrow */
.pdf-widget:not(.pdf-unlocked) .pdf-icon-lock { opacity: 1; transform: none; }
.pdf-widget:not(.pdf-unlocked) .pdf-icon-dl   { opacity: 0; transform: translateY(4px); }

/* Unlocked: hide lock, show arrow */
.pdf-widget.pdf-unlocked .pdf-icon-lock { opacity: 0; transform: translateY(-4px); }
.pdf-widget.pdf-unlocked .pdf-icon-dl   { opacity: 1; transform: translateY(0); position: static; }

.pdf-pct {
  font-family:    'DM Mono', monospace;
  font-size:      .44rem;
  letter-spacing: .04em;
  color:          #666;
  line-height:    1;
  margin-top:     2px;
  transition:     opacity .2s;
  display:        block;
}

.pdf-widget.pdf-unlocked .pdf-pct {
  opacity:        0;
  pointer-events: none;
}

@keyframes pdf-unlock-pulse {
  0%   { box-shadow: 0 0 0 0    rgba(200, 80, 42, .5); }
  60%  { box-shadow: 0 0 0 14px rgba(200, 80, 42, 0);  }
  100% { box-shadow: 0 0 0 0    rgba(200, 80, 42, 0);  }
}

.pdf-widget.pdf-unlocked .pdf-btn {
  animation: pdf-unlock-pulse .7s var(--ease) 1;
}

.pdf-widget.pdf-unlocked::after {
  content:        'Download PDF';
  position:       absolute;
  bottom:         -1.4rem;
  left:           50%;
  transform:      translateX(-50%);
  font-family:    'DM Mono', monospace;
  font-size:      .48rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color:          var(--accent);
  white-space:    nowrap;
  opacity:        .85;
}

.pdf-tooltip {
  position:        absolute;
  bottom:          calc(100% + 14px);
  right:           0;
  width:           230px;
  border:          1px solid var(--border-dk);
  padding:         1rem 1.1rem;
  box-shadow:      0 8px 40px rgba(0, 0, 0, .6), 0 0 0 1px rgba(255, 255, 255, .03);

  /* Smoky / glass look */
  background:      rgba(26, 21, 16, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  /* Hidden until triggered */
  opacity:         0;
  transform:       translateY(6px) scale(.96);
  pointer-events:  none;
  transition:      opacity .22s var(--ease), transform .22s var(--ease);
  transform-origin: bottom right;
}

.pdf-tooltip.pdf-tooltip-open {
  opacity:        1;
  transform:      translateY(0) scale(1);
  pointer-events: all;
}

/* Arrow tail pointing down toward button */
.pdf-tooltip-tail {
  position:   absolute;
  bottom:     -6px;
  right:      18px;
  width:      10px;
  height:     10px;
  background: rgba(26, 21, 16, .92);
  border-right:  1px solid var(--border-dk);
  border-bottom: 1px solid var(--border-dk);
  transform:  rotate(45deg);
}

.pdf-tooltip-text {
  font-family:   'DM Sans', sans-serif;
  font-size:     .78rem;
  color:         #9a9590;
  line-height:   1.55;
  margin-bottom: .55rem !important;
}

.pdf-tooltip-sub {
  font-family:    'DM Mono', monospace;
  font-size:      .64rem;
  letter-spacing: .03em;
  color:          #555;
  line-height:    1.5;
  margin:         0 !important;
}

.pdf-tooltip-sub a             { color: var(--gold); text-decoration: none; transition: color .15s; }
.pdf-tooltip-sub a:hover       { color: #f0e08a; }

@media (max-width: 600px) {
  .pdf-widget {
    bottom: 1.25rem;
    right:  1.25rem;
  }
}


.dl-hero {
  background: var(--dark);
  padding:    5rem 4rem 4rem;
  position:   relative;
  overflow:   hidden;
}

.dl-hero::before {
  content:  '';
  position: absolute;
  inset:    0;
  background:
    radial-gradient(ellipse 55% 60% at 10% 60%, rgba(201, 168, 76, .05) 0%, transparent 65%),
    radial-gradient(ellipse 35% 40% at 90% 20%, rgba(200, 80, 42,  .04) 0%, transparent 55%);
  pointer-events: none;
}

.dl-hero-inner {
  max-width: var(--content-max);
  margin:    0 auto;
  position:  relative;
  z-index:   1;
}

.dl-grid {
  max-width:             var(--content-max);
  margin:                0 auto;
  padding:               4rem 4rem 5rem;
  display:               grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap:                   1.4rem;
}

.dl-card {
  background:     #fff;
  border:         1px solid var(--border);
  padding:        1.75rem 1.75rem 1.5rem;
  display:        flex;
  flex-direction: column;
  gap:            .65rem;
  position:       relative;
  transition:     border-color .2s, transform .2s, box-shadow .2s;
}

.dl-card:hover {
  border-color: var(--gold);
  transform:    translateY(-3px);
  box-shadow:   0 8px 32px rgba(0, 0, 0, .08);
}

.dl-card-num {
  font-family:    'DM Mono', monospace;
  font-size:      .58rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color:          var(--gold);
}

.dl-card-title {
  font-family: 'Playfair Display', serif;
  font-size:   1.1rem;
  color:       var(--ink);
  line-height: 1.25;
}

.dl-card-desc {
  font-size:   .83rem;
  color:       var(--muted);
  line-height: 1.6;
  flex:        1;
}

.dl-card-meta {
  font-family:    'DM Mono', monospace;
  font-size:      .6rem;
  letter-spacing: .1em;
  color:          #bbb;
  text-transform: uppercase;
}

.dl-btn {
  display:         inline-flex;
  align-items:     center;
  gap:             .5rem;
  margin-top:      .35rem;
  padding:         .62rem 1.25rem;
  background:      var(--dark-2);
  color:           #e8e0d0;
  border:          1px solid var(--border-dk);
  text-decoration: none;
  font-family:     'DM Mono', monospace;
  font-size:       .68rem;
  letter-spacing:  .1em;
  text-transform:  uppercase;
  align-self:      flex-start;
  transition:      background .2s, border-color .2s, color .2s;
}

.dl-btn:hover {
  background:   var(--dark-3);
  border-color: rgba(201, 168, 76, .3);
  color:        var(--gold);
}

.dl-btn svg {
  width:      13px;
  height:     13px;
  flex-shrink: 0;
}

.dl-note {
  max-width: var(--content-max);
  margin:    0 auto;
  padding:   0 4rem 4rem;
}

.dl-note-inner {
  background:  var(--dark-2);
  border:      1px solid var(--border-dk);
  padding:     1.5rem 2rem;
  border-left: 3px solid var(--gold);
}

.dl-note-inner p {
  font-size:   .84rem;
  color:       #5a5550;
  margin:      0;
  line-height: 1.7;
}

.dl-note-inner strong { color: var(--gold); }

@media (max-width: 600px) {
  .dl-hero { padding: 3.5rem 1.5rem; }
  .dl-grid { padding: 2.5rem 1.5rem; }
  .dl-note { padding: 0 1.5rem 2.5rem; }
}


[dir="rtl"] { font-family: 'Cairo', sans-serif; }

/* Remove the right-trailing line and add a left-trailing line instead */
[dir="rtl"] .chapter-label::after  { display: none; }
[dir="rtl"] .chapter-label::before {
  content:    '';
  flex:       1;
  height:     1px;
  background: var(--border);
}

[dir="rtl"] .highlight {
  border-left:  none;
  border-right: 3px solid var(--gold);
}

[dir="rtl"] .sidebar-link          { flex-direction: row-reverse; }
[dir="rtl"] .link-num              { text-align: center; }
[dir="rtl"] .link-badge            { margin-left: 0; margin-right: auto; }

/* Active indicator bar moves to right edge */
[dir="rtl"] .sidebar-link.active::before { left: auto; right: 0; }

/* Collapsed tooltip appears on the left of the icon */
[dir="rtl"] .app-shell:not(.sidebar-open) .sidebar-link[data-tooltip]:hover::after {
  left:  auto;
  right: calc(var(--sidebar-collapsed) + 8px);
}

[dir="rtl"] .nav-logo {
  padding-left:  0;
  padding-right: 1.25rem;
}

[dir="rtl"] .formula {
  border-left:  none;
  border-right: 3px solid rgba(201, 168, 76, .3);
}

[dir="rtl"] .card,
[dir="rtl"] .handbook-card         { text-align: right; }

[dir="rtl"] .pillar-item,
[dir="rtl"] .step-item             { direction: rtl; }

[dir="rtl"] .pillar-tag            { padding-right: 0; padding-left: 2rem; }

[dir="rtl"] .prog-label            { flex-direction: row-reverse; }

[dir="rtl"] .chapter-page-hero .back-link { flex-direction: row-reverse; }