/* Token note: --accent-warm unified to --accent on 2026-04-26. See index.html for source token. */
/* ============================================================
   Writing section — design system for rehmanali.com/writing
   Shares visual language with the main site (index.html)
   ============================================================ */

:root {
  --ink: #0A0A0A;
  --stone: #2C2C2C;
  --mist: #767470;
  --surface: #FAFAF8;
  --card: #FFFFFF;
  --card-muted: #F2F0EC;
  --border: #E6E4DE;
  --border-mid: #C4C2BC;
  --accent: #8B6F47;
  --accent-light: #BFA882;
  --f-serif: 'Playfair Display', serif;
  --f-sans: 'DM Sans', sans-serif;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 36px;
  --space-xl: 80px;
  --max-width: 1200px;
  --prose-width: 680px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  background: var(--surface);
  color: var(--ink);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--accent);
  border-radius: 4px;
  z-index: 9999;
  text-decoration: none;
  transform: translateY(calc(-100% - 2rem));
  transition: transform 0.15s ease;
}
.skip-link:focus-visible {
  transform: none;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

body {
  font-family: var(--f-sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.7;
  color: var(--stone);
  background-color: var(--surface);
  -webkit-font-smoothing: antialiased;
}
@media (max-width: 768px) { body { font-size: 16px; } }

h1, h2, h3, h4 {
  font-family: var(--f-serif);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: 48px; }
h2 { font-size: 36px; }
h3 { font-size: 24px; }
@media (max-width: 768px) { h1 { font-size: 32px; } h2 { font-size: 28px; } }

a { color: var(--ink); text-decoration: none; transition: color 200ms ease; }
a:hover { color: var(--accent); }

/* Underline hover effect — matches main site */
a:not(.btn):not(.brand):not(.series-item):not(.writing-card):not(.article-nav-link):not(.article-nav-series-link):not(.skip-link) {
  position: relative;
}
a:not(.btn):not(.brand):not(.series-item):not(.writing-card):not(.article-nav-link):not(.article-nav-series-link):not(.skip-link)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 200ms ease;
}
a:not(.btn):not(.brand):not(.series-item):not(.writing-card):not(.article-nav-link):not(.article-nav-series-link):not(.skip-link):hover::after {
  width: 100%;
}

/* ============================================================
   Layout
   ============================================================ */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-md); }
.prose { max-width: var(--prose-width); }

.label {
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-md);
}
.label::before { content: ''; width: 32px; height: 1px; background-color: var(--border); }
.label::after { content: ''; flex-grow: 1; height: 1px; background-color: var(--border); }
.label .dot { color: var(--accent); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-block;
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-transform: lowercase;
  padding: 14px 28px;
  border-radius: 2px;
  transition: all 200ms ease;
  cursor: pointer;
  border: none;
}
.btn::after { display: none !important; }
.btn-primary { background-color: var(--ink); color: var(--surface); }
.btn-primary:hover { background-color: var(--accent); color: var(--surface); }
.btn-ghost { background-color: transparent; border: 1px solid var(--border-mid); color: var(--stone); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }

/* ============================================================
   Navigation
   ============================================================ */
nav#nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 64px;
  background: rgba(250,250,248,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: height 200ms ease;
}
nav#nav.scrolled { height: 56px; }
nav#nav .container { display: flex; justify-content: space-between; align-items: center; width: 100%; }

.brand { font-weight: 500; font-size: 15px; color: var(--ink); }
.brand::after { display: none !important; }

.nav-links { display: flex; gap: var(--space-md); }
.nav-links a { font-size: 14px; color: var(--stone); }
.nav-links a::after { display: none !important; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-cta { font-size: 13px; padding: 10px 20px; }

@media (max-width: 768px) {
  nav#nav { height: 56px; }
  .nav-links { display: none; }
  .nav-cta { display: none !important; }
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
  z-index: 1100;
}
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--ink); transition: all 0.25s; transform-origin: center; }
@media (max-width: 768px) { .hamburger { display: flex; } }
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--surface);
  padding: 100px var(--space-md) var(--space-lg);
  z-index: 1050;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--f-serif);
  font-size: 32px;
  color: var(--ink);
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
}
.mobile-menu a::after { display: none !important; }
.mobile-menu.open a { opacity: 1; transform: translateY(0); }
.mobile-menu .mobile-cta { margin-top: var(--space-lg); width: 100%; text-align: center; }
.mobile-menu .mobile-cta a.btn-primary {
  font-family: var(--f-sans);
  font-size: 14px;
  color: var(--surface) !important;
  background-color: var(--ink);
  padding: 14px 28px;
  border-radius: 2px;
  display: inline-block;
  opacity: 1;
  transform: none;
  margin-bottom: 0;
}

/* ============================================================
   Page layout
   ============================================================ */
.page-main {
  padding-top: calc(32px + 64px);
  padding-bottom: var(--space-xl);
}
@media (max-width: 768px) { .page-main { padding-top: calc(20px + 56px); } }

/* ============================================================
   Breadcrumb
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--mist);
  margin-bottom: var(--space-lg);
}
.breadcrumb a { color: var(--mist); }
.breadcrumb a::after { display: none !important; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--border-mid); }
.breadcrumb .current { color: var(--stone); }

/* ============================================================
   Article header
   ============================================================ */
.article-header { margin-bottom: var(--space-lg); }

.article-series-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 12px;
}
.article-series-label .dot { color: var(--accent); }

.article-header h1 { margin-bottom: var(--space-sm); max-width: var(--prose-width); }

.article-subtitle {
  font-size: 20px;
  color: var(--stone);
  line-height: 1.5;
  max-width: var(--prose-width);
  margin-bottom: var(--space-md);
}
@media (max-width: 768px) { .article-subtitle { font-size: 17px; } }

.article-meta { font-size: 13px; color: var(--mist); display: flex; gap: 16px; flex-wrap: wrap; }

/* ============================================================
   Article body
   ============================================================ */
.article-body {
  max-width: var(--prose-width);
  margin-bottom: var(--space-xl);
}
.article-body p { margin-bottom: var(--space-md); font-size: 18px; line-height: 1.75; }
.article-body p:last-child { margin-bottom: 0; }
.article-body h2 { margin-top: var(--space-xl); margin-bottom: var(--space-md); }
.article-body h3 { margin-top: var(--space-lg); margin-bottom: var(--space-sm); }

.article-placeholder {
  background-color: var(--card-muted);
  border: 1px dashed var(--border-mid);
  border-radius: 4px;
  padding: var(--space-lg) var(--space-md);
  color: var(--mist);
  font-size: 15px;
  font-style: italic;
  line-height: 1.6;
}

/* ============================================================
   Article navigation (prev / next)
   ============================================================ */
.article-nav {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border);
  max-width: var(--prose-width);
  margin-bottom: var(--space-xl);
}
.article-nav-item { display: flex; flex-direction: column; gap: 4px; max-width: 48%; }
.article-nav-item.next { text-align: right; margin-left: auto; }
.article-nav-dir {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
}
.article-nav-title {
  font-size: 15px;
  color: var(--ink);
  font-weight: 500;
  transition: color 200ms ease;
}
.article-nav-link { text-decoration: none; display: block; }
.article-nav-link::after { display: none !important; }
.article-nav-link:hover .article-nav-title { color: var(--accent); }

@media (max-width: 768px) {
  .article-nav { flex-direction: column; }
  .article-nav-item, .article-nav-item.next { max-width: 100%; text-align: left; }
}

.article-nav-series {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 1rem;
}

.article-nav-series-link {
  font-family: var(--f-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s ease;
}

.article-nav-series-link:hover {
  color: var(--accent);
}

/* ============================================================
   CTA block (dark — matches main site section 09)
   ============================================================ */
.article-cta-block {
  background-color: var(--ink);
  padding: 80px 0;
}
@media (max-width: 768px) {
  .article-cta-block { padding: 48px 0; }
}
.article-cta-block .label { color: rgba(250,250,248,0.5); }
.article-cta-block .label::before,
.article-cta-block .label::after { background-color: rgba(250,250,248,0.1); }
.article-cta-block h2 {
  color: var(--surface);
  font-size: 40px;
  margin-bottom: var(--space-md);
  max-width: 640px;
}
@media (max-width: 768px) { .article-cta-block h2 { font-size: 28px; } }
.article-cta-block p { color: rgba(250,250,248,0.7); margin-bottom: var(--space-lg); max-width: 560px; }
.article-cta-block .btn-primary { background-color: var(--surface); color: var(--ink); }
.article-cta-block .btn-primary:hover { background-color: var(--accent); color: var(--surface); }

/* ============================================================
   Series list (shared by series index and writing index)
   ============================================================ */
.series-list { margin-top: var(--space-lg); max-width: 800px; }
.series-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  display: block;
}
.series-item::after { display: none !important; }
.series-item:first-child { border-top: 1px solid var(--border); }
.series-item .part-num {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--mist);
  display: block;
  margin-bottom: 4px;
}
.series-item h3 {
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 16px;
  color: var(--ink);
  transition: color 200ms ease;
}
.series-item:hover h3 { color: var(--accent); }
.series-item p { font-size: 15px; line-height: 1.6; margin-top: 4px; color: var(--stone); }

/* ============================================================
   Writing index cards
   ============================================================ */
.writing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
  max-width: 960px;
}
@media (max-width: 768px) { .writing-grid { grid-template-columns: 1fr; } }

.writing-card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 32px;
  text-decoration: none;
  display: block;
  transition: border-color 200ms ease;
}
.writing-card::after { display: none !important; }
.writing-card:hover { border-color: var(--border-mid); }
.writing-card .tag {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mist);
  margin-bottom: 12px;
}
.writing-card h3 {
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 8px;
  transition: color 200ms ease;
}
.writing-card:hover h3 { color: var(--accent); }
.writing-card p { font-size: 15px; line-height: 1.6; color: var(--stone); }
.writing-card .card-meta { font-size: 13px; color: var(--mist); margin-top: 16px; }

.writing-card-placeholder {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

.writing-card:visited,
.series-item:visited,
.article-nav-link:visited,
.article-nav-series-link:visited {
  color: var(--mist);
}

/* ============================================================
   Footer
   ============================================================ */
footer {
  background-color: var(--ink);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 40px 24px;
}
footer .container { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
@media (max-width: 768px) { footer .container { grid-template-columns: 1fr; gap: var(--space-md); } }
footer p, footer a { font-size: 13px; color: rgba(250,250,248,0.5); text-decoration: none; transition: color 150ms ease; }
footer a::after { display: none !important; }
footer a:hover { color: rgba(250,250,248,0.9); }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.legal { margin-top: var(--space-md); }

/* ── Keyboard focus indicators ── */
*:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; text-decoration: underline; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

/* ============================================================
   Back to top
   ============================================================ */
.back-to-top {
  display: none;
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  z-index: 100;
  transition: opacity 0.2s, transform 0.2s;
  opacity: 0;
}
.back-to-top.visible {
  display: block;
  opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition: none;
  }
}

/* ============================================================
   Reading progress bar
   ============================================================ */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--accent);
  z-index: 9998;
  transition: width 0.1s linear;
}
@media (prefers-reduced-motion: reduce) {
  .reading-progress {
    transition: none;
  }
}

/* ============================================================
   Print styles
   ============================================================ */
@media print {
  .site-nav,
  .mobile-menu,
  .sticky-cta,
  .article-cta,
  .article-nav,
  footer {
    display: none !important;
  }
  body {
    font-size: 12pt;
    line-height: 1.6;
    color: #000;
    background: #fff;
  }
  article, .article-body {
    max-width: 100%;
    padding: 0;
    margin: 0;
  }
  h1, h2, h3 {
    page-break-after: avoid;
  }
  p, li {
    orphans: 3;
    widows: 3;
  }
  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: #555;
  }
  a[href^="#"]::after,
  a[href^="javascript"]::after {
    content: "";
  }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-color-scheme: dark) {
  .article-cta-block {
    background-color: #0A0A0A;
    color: #FAFAF8;
  }
  .article-cta-block h2 {
    color: #FAFAF8;
  }
  .article-cta-block p {
    color: rgba(250, 250, 248, 0.7);
  }
  .article-cta-block .label {
    color: rgba(250, 250, 248, 0.5);
  }
  .article-cta-block .btn-primary {
    background-color: #FAFAF8;
    color: #0A0A0A;
  }
}

[data-theme='dark'] .article-cta-block {
  background-color: #0A0A0A;
  color: #FAFAF8;
}
[data-theme='dark'] .article-cta-block h2 {
  color: #FAFAF8;
}
[data-theme='dark'] .article-cta-block p {
  color: rgba(250, 250, 248, 0.7);
}
[data-theme='dark'] .article-cta-block .label {
  color: rgba(250, 250, 248, 0.5);
}
[data-theme='dark'] .article-cta-block .btn-primary {
  background-color: #FAFAF8;
  color: #0A0A0A;
}