/* ==========================================================================
   BUSKER LTD. — "The Commerce Atlas"
   Editorial magazine design system: warm ivory, graphite, cobalt, coral.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Instrument+Serif:ital@0;1&display=swap');

:root{
  --ink: #17181C;
  --paper: #F4F0E8;
  --white: #FFFFFF;
  --cobalt: #3155FF;
  --coral: #FF6B57;
  --pale-blue: #DCE5FF;
  --soft-peach: #FFE0D8;
  --muted: #6E737D;
  --border: #D9D6CF;

  --cobalt-10: rgba(49,85,255,0.08);
  --shadow-md: 0 20px 50px rgba(23,24,28,0.14);

  --font-display: 'DM Sans', -apple-system, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;

  --rail-w: 104px;
  --rail-w-mobile: 0px;
  --measure: 720px;
  --header-h-mobile: 68px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
body{ margin:0; font-family: var(--font-display); color: var(--ink); background: var(--paper); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul, ol{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; cursor:pointer; }
input, textarea, select{ font-family: inherit; font-size: 1rem; }
h1,h2,h3,h4,p,figure{ margin:0; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible{ outline: 2px solid var(--cobalt); outline-offset: 3px; border-radius: 2px; }
.skip-link{ position:absolute; left:1rem; top:-60px; background:var(--cobalt); color:var(--white); font-weight:700; padding:.75rem 1.25rem; z-index:500; border-radius: 3px; transition: top .2s ease; }
.skip-link:focus{ top: 1rem; }

/* ---- Typography ---- */
.eyebrow{ font-family: var(--font-display); text-transform: uppercase; letter-spacing:.14em; font-size:.72rem; font-weight:700; color: var(--cobalt); display:flex; align-items:center; gap:.5rem; }
.eyebrow.coral{ color: var(--coral); }
.eyebrow.muted{ color: var(--muted); }
.eyebrow.on-dark{ color: var(--pale-blue); }

.index-num{ font-family: var(--font-display); font-size:.85rem; color: var(--cobalt); font-weight:700; }

h1, .h1{ font-family: var(--font-display); font-weight:800; line-height:0.98; letter-spacing:-0.02em; color: var(--ink); text-transform:uppercase; }
h2, .h2{ font-family: var(--font-display); font-weight:800; line-height:1.02; letter-spacing:-0.02em; color: var(--ink); text-transform:uppercase; }
h3, .h3{ font-family: var(--font-display); font-weight:700; line-height:1.15; color: var(--ink); }
h4, .h4{ font-family: var(--font-display); font-weight:700; line-height:1.3; color: var(--ink); }

.h1{ font-size: clamp(2.6rem, 6.4vw, 5.6rem); }
.h2{ font-size: clamp(2rem, 4vw, 3.4rem); }
.h3{ font-size: clamp(1.3rem, 2vw, 1.85rem); }
.h4{ font-size: 1.05rem; }

.serif-accent{ font-family: var(--font-serif); font-style: italic; font-weight:400; text-transform:none; letter-spacing:0; color: var(--cobalt); }

p{ color: var(--ink); }
.lede{ font-size: 1.2rem; line-height:1.6; color: var(--muted); font-weight:400; }
.meta{ font-size: .8rem; color: var(--muted); letter-spacing:.02em; }
.meta a{ color: var(--muted); border-bottom: 1px solid var(--border); }

/* ---- Layout ---- */
.wrap{ max-width: 1280px; margin-left:auto; margin-right:auto; padding: 0 clamp(1.25rem, 4vw, 3rem); }
.section{ padding: clamp(3.5rem, 7vw, 7rem) 0; }
.section.tight{ padding: clamp(2rem, 4vw, 3.5rem) 0; }
.bg-white{ background: var(--white); }
.bg-ink{ background: var(--ink); color: var(--paper); position:relative; }
.bg-ink h1, .bg-ink h2, .bg-ink h3, .bg-ink h4{ color: var(--white); }
.bg-ink .meta, .bg-ink p{ color: #A9ADB6; }
.bg-pale-blue{ background: var(--pale-blue); }
.bg-peach{ background: var(--soft-peach); }

.grid{ display:grid; gap: 2.25rem; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
@media (max-width: 980px){ .grid-3{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px){ .grid-2, .grid-3{ grid-template-columns: 1fr; } }

.btn{ display:inline-flex; align-items:center; gap:.6rem; padding: 1rem 1.8rem; font-size: .85rem; font-weight:700; letter-spacing:.03em; text-transform:uppercase; border-radius: 2px; border: 1.5px solid transparent; transition: background .18s ease, color .18s ease, border-color .18s ease; white-space: nowrap; }
.btn-primary{ background: var(--cobalt); color: var(--white); border-color: var(--cobalt); }
.btn-primary:hover{ background: #2545E0; }
.btn-outline{ background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline:hover{ background: var(--ink); color: var(--white); }
.btn-outline.on-dark{ color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-outline.on-dark:hover{ background: rgba(255,255,255,0.1); border-color: var(--white); }
.btn-text{ color: var(--ink); font-weight:700; font-size:.85rem; text-transform:uppercase; letter-spacing:.03em; border-bottom: 1px solid var(--border); padding:0 0 .15rem; border-radius:0; }
.btn-text:hover{ color: var(--cobalt); border-color: var(--cobalt); }
.btn-text.on-dark{ color: var(--white); border-color: #3A3B41; }
.btn-text.arrow::after{ content:"↗"; margin-left:.5em; transition: transform .18s ease; display:inline-block; }
.btn-text.arrow:hover::after{ transform: translate(2px,-2px); }

/* ==========================================================================
   FLOATING NAVIGATION RAIL (desktop)
   ========================================================================== */
.nav-rail{ position: fixed; top:0; left:0; bottom:0; width: var(--rail-w); background: var(--paper); border-right: 1px solid var(--border); z-index: 300; display:flex; flex-direction:column; align-items:center; padding: 1.6rem 0; }
.rail-logo{ display:flex; flex-direction:column; align-items:center; gap:.1rem; text-align:center; }
.rail-logo .word{ font-family: var(--font-display); font-weight:800; font-size:1.05rem; letter-spacing:.02em; color: var(--ink); }
.rail-logo .sub{ font-size:.6rem; letter-spacing:.14em; color: var(--muted); text-transform:uppercase; }

.rail-nav{ flex:1; display:flex; flex-direction:column; justify-content:center; gap: .3rem; width:100%; margin-top: 2rem; }
.rail-item{ position:relative; width:100%; }
.rail-item > a, .rail-item > button{ display:flex; flex-direction:column; align-items:center; gap:.3rem; width:100%; padding: .85rem .4rem; background:none; border:0; }
.rail-item .n{ font-size:.66rem; font-weight:700; color: var(--cobalt); letter-spacing:.05em; }
.rail-item .label{ font-size:.68rem; font-weight:700; letter-spacing:.04em; text-transform:uppercase; color: var(--ink); writing-mode: horizontal-tb; }
.rail-item:hover .label, .rail-item.is-open .label{ color: var(--cobalt); }
.rail-item::after{ content:""; position:absolute; left:6px; right:6px; bottom:2px; height:2px; background: var(--coral); transform: scaleX(0); transition: transform .18s ease; }
.rail-item:hover::after, .rail-item.is-open::after{ transform: scaleX(1); }
.rail-item[aria-current="page"] .label{ color: var(--cobalt); }

.rail-vertical-label{ writing-mode: vertical-rl; transform: rotate(180deg); font-size:.62rem; letter-spacing:.18em; text-transform:uppercase; color: var(--muted); margin-top:1.4rem; }

.rail-contact{ margin-top:auto; padding-top:1.4rem; border-top:1px solid var(--border); width:100%; display:flex; justify-content:center; }
.rail-contact a{ font-size:.68rem; font-weight:800; letter-spacing:.08em; text-transform:uppercase; color: var(--ink); writing-mode: vertical-rl; transform: rotate(180deg); padding: .6rem 0; }
.rail-contact a:hover{ color: var(--cobalt); }

/* Editorial flyout panel */
.rail-panel{ position: fixed; top:0; left: var(--rail-w); bottom:0; width: min(440px, 88vw); background: var(--white); border-right:1px solid var(--border); z-index: 290;
  padding: 4rem 2.4rem 2.5rem; overflow-y:auto;
  transform: translateX(-12px); opacity:0; pointer-events:none; transition: opacity .2s ease, transform .2s ease; box-shadow: var(--shadow-md); }
.rail-panel.is-open{ opacity:1; pointer-events:auto; transform: translateX(0); }
.rail-panel h5{ font-family: var(--font-display); font-size:.7rem; text-transform:uppercase; letter-spacing:.14em; color: var(--cobalt); font-weight:800; margin-top: 1.8rem; }
.rail-panel h5:first-of-type{ margin-top:0; }
.rail-panel a.rlink{ display:flex; align-items:center; justify-content:space-between; padding:.8rem 0; border-bottom:1px solid var(--border); font-family: var(--font-display); font-size:1.05rem; font-weight:600; color: var(--ink); }
.rail-panel a.rlink:hover{ color: var(--cobalt); }
.rail-panel a.rlink .arr{ opacity:0; transform: translateX(-4px); transition: opacity .15s ease, transform .15s ease; color: var(--coral); }
.rail-panel a.rlink:hover .arr{ opacity:1; transform: translateX(0); }
.rail-panel-foot{ margin-top:2rem; padding-top:1.5rem; border-top:1px solid var(--border); }

@media (max-width: 1080px){ .nav-rail{ display:none; } .rail-panel{ display:none; } }

/* ==========================================================================
   MOBILE HEADER
   ========================================================================== */
.mobile-header{ display:none; }
@media (max-width: 1080px){
  .mobile-header{ display:flex; align-items:center; justify-content:space-between; height: var(--header-h-mobile); position: sticky; top:0; z-index:300; background: rgba(244,240,232,0.94); backdrop-filter: blur(8px); border-bottom:1px solid var(--border); padding: 0 clamp(1.25rem,4vw,2rem); }
  .mobile-header .word{ font-family: var(--font-display); font-weight:800; font-size:1.15rem; }
  .mobile-menu-btn{ background:none; border:1px solid var(--ink); border-radius:2px; padding:.5rem 1rem; font-size:.72rem; font-weight:800; letter-spacing:.08em; text-transform:uppercase; }
}

.mobile-nav{ position: fixed; inset:0; z-index: 400; background: var(--paper); transform: translateX(100%); transition: transform .3s ease; overflow-y:auto; }
.mobile-nav.is-open{ transform: translateX(0); }
.mobile-nav-inner{ padding: 1.4rem clamp(1.25rem, 6vw, 2.5rem) 3rem; }
.mobile-nav-top{ display:flex; align-items:center; justify-content:space-between; height: var(--header-h-mobile); }
.mobile-close{ background:none; border:1px solid var(--ink); border-radius:2px; padding:.4rem .9rem; font-size:.72rem; font-weight:800; letter-spacing:.08em; text-transform:uppercase; }
.mobile-nav-links{ margin-top: 1.5rem; }
.mobile-nav-links > li{ border-bottom: 1px solid var(--border); }
.mobile-nav-links > li > a, .mobile-nav-links > li > button{ width:100%; text-align:left; background:none; border:0; display:flex; justify-content:space-between; align-items:center; padding: 1.15rem 0; font-family: var(--font-display); font-size: 1.7rem; font-weight:800; color: var(--ink); text-transform:uppercase; }
.mobile-submenu{ display:none; padding: 0 0 1.2rem; }
.mobile-submenu.is-open{ display:block; }
.mobile-submenu a{ display:block; padding:.6rem 0; font-family: var(--font-display); font-size:1rem; color: var(--muted); text-transform:none; }
.mobile-submenu a:hover{ color: var(--cobalt); }
.mobile-nav-secondary{ margin-top:2rem; }
.mobile-nav-secondary a{ font-size:1rem; font-weight:700; color: var(--cobalt); }

/* Main content offset for rail */
.site-main{ margin-left: var(--rail-w); }
@media (max-width: 1080px){ .site-main{ margin-left:0; } }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{ position: relative; padding: 3.4rem 0 0; }
.hero-top-row{ display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:1rem; }
.hero-headline{ margin-top: 2rem; max-width: 16ch; }
.hero-composition{ position:relative; margin-top: 3rem; display:grid; grid-template-columns: 1.3fr 0.9fr; gap: 2rem; align-items:end; }
.hero-lede-col{ padding-bottom: 1rem; }
.hero-lede-col .lede{ max-width: 42ch; font-size:1.15rem; }
.hero-actions{ display:flex; gap:1rem; margin-top: 2.1rem; flex-wrap:wrap; }
.hero-img-main{ position:relative; aspect-ratio: 4/5; overflow:hidden; border-radius: 2px; }
.hero-img-main img{ width:100%; height:100%; object-fit:cover; }
.hero-img-small{ position: relative; width: 46%; aspect-ratio: 1/1; overflow:hidden; border-radius:2px; border: 6px solid var(--paper); box-shadow: var(--shadow-md); margin-top: -3.5rem; margin-left: 1.4rem; }
.hero-img-small img{ width:100%; height:100%; object-fit:cover; }
.hero-markers{ display:flex; justify-content:space-between; margin-top: 2.4rem; padding-top:1.2rem; border-top:1px solid var(--border); font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color: var(--muted); }

@media (max-width: 900px){
  .hero-composition{ grid-template-columns: 1fr; }
  .hero-img-small{ width:60%; margin-top:-2.5rem; }
}

/* ==========================================================================
   EDITORIAL SECTIONS
   ========================================================================== */
.cobalt-block{ background: var(--cobalt); color: var(--white); padding: 2.4rem; border-radius:2px; display:inline-flex; flex-direction:column; font-family: var(--font-display); font-weight:800; font-size:1.5rem; line-height:1.1; text-transform:uppercase; }

.industry-row{ border-top:1px solid var(--border); padding: 2.6rem 0; transition: background .2s ease; }
.industry-row:last-child{ border-bottom:1px solid var(--border); }
.industry-row-inner{ display:grid; grid-template-columns: 70px 1.3fr 1fr auto; gap: 2rem; align-items:center; }
.industry-row .num{ font-family: var(--font-display); font-size:1.5rem; font-weight:800; color: var(--cobalt); }
.industry-row h3{ font-size: clamp(1.5rem, 2.6vw, 2.1rem); text-transform:uppercase; }
.industry-row ul{ display:flex; flex-direction:column; gap:.4rem; font-size:.92rem; color: var(--muted); }
.industry-row .thumb{ width:100%; max-width:220px; aspect-ratio:4/3; overflow:hidden; border-radius:2px; justify-self:end; }
.industry-row .thumb img{ width:100%; height:100%; object-fit:cover; transition: transform .4s ease; }
.industry-row:hover .thumb img{ transform: scale(1.05); }
.industry-row:hover{ background: var(--white); }
@media (max-width: 900px){
  .industry-row-inner{ grid-template-columns: 1fr; }
  .industry-row .thumb{ justify-self:start; max-width:100%; order:-1; }
}

.solution-module{ border-top:1px solid var(--border); padding: 3rem 0; }
.solution-module:last-child{ border-bottom:1px solid var(--border); }
.solution-module-inner{ display:grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items:center; }
.solution-module .num{ font-family: var(--font-display); font-size:1.1rem; font-weight:800; color: var(--cobalt); }
.solution-module .thumb{ aspect-ratio: 4/3; overflow:hidden; border-radius:2px; }
.solution-module .thumb img{ width:100%; height:100%; object-fit:cover; }
.solution-module:nth-child(even) .solution-module-inner{ direction: rtl; }
.solution-module:nth-child(even) .solution-module-inner > *{ direction: ltr; }
@media (max-width: 900px){
  .solution-module-inner, .solution-module:nth-child(even) .solution-module-inner{ grid-template-columns: 1fr; direction:ltr; }
}
.cap-list{ display:flex; flex-wrap:wrap; gap:.6rem; margin-top:1.2rem; }
.cap-chip{ font-size:.78rem; font-weight:600; padding:.4rem .9rem; border:1px solid var(--border); border-radius: 20px; color: var(--muted); }

/* Flow / process timeline */
.flow-row{ display:flex; align-items:center; gap:.8rem; flex-wrap:wrap; }
.flow-step{ font-family: var(--font-display); font-weight:800; text-transform:uppercase; font-size:1rem; padding: .8rem 1.3rem; border:1.5px solid var(--ink); border-radius: 30px; }
.flow-arrow{ color: var(--coral); font-size:1.2rem; }

.process-timeline{ display:grid; grid-template-columns: repeat(6, 1fr); gap: 1.4rem; }
@media (max-width: 980px){ .process-timeline{ grid-template-columns: repeat(3,1fr); } }
@media (max-width: 620px){ .process-timeline{ grid-template-columns: 1fr; } }
.tl-step{ border-top: 3px solid var(--cobalt); padding-top: 1rem; }
.tl-step .num{ font-family: var(--font-display); font-weight:800; color: var(--cobalt); font-size:.9rem; }
.tl-step h4{ margin-top:.5rem; text-transform:uppercase; font-size:1.05rem; }
.tl-step p{ margin-top:.6rem; color: var(--muted); font-size:.9rem; }

/* ==========================================================================
   CARDS
   ========================================================================== */
.card-market{ position:relative; overflow:hidden; border-radius:2px; display:block; }
.card-market .thumb{ aspect-ratio: 3/4; overflow:hidden; }
.card-market .thumb img{ width:100%; height:100%; object-fit:cover; }
.card-market .overlay{ position:absolute; inset:0; background: linear-gradient(180deg, rgba(23,24,28,0) 30%, rgba(23,24,28,0.88) 100%); }
.card-market .label{ position:absolute; left:0; right:0; bottom:0; padding:1.5rem; color:#fff; }
.card-market .label h3{ color:#fff; font-size:1.3rem; text-transform:uppercase; }
.card-market .label p{ color: #C7CAD1; font-size:.85rem; margin-top:.4rem; }

.card-insight{ display:block; }
.card-insight .thumb{ position:relative; overflow:hidden; aspect-ratio: 3/2; background: var(--white); }
.card-insight .thumb img{ width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.card-insight:hover .thumb img{ transform: scale(1.045); }
.card-insight .body{ padding-top: 1.1rem; }
.card-insight h3{ font-size:1.2rem; margin-top:.5rem; text-transform:none; }
.card-insight .excerpt{ margin-top:.55rem; color: var(--muted); font-size:.92rem; }
.card-insight .meta{ margin-top: .8rem; }

.card-feature{ display:grid; grid-template-columns: 1.2fr 1fr; gap: 2.5rem; align-items:center; }
.card-feature .thumb{ aspect-ratio: 4/3; overflow:hidden; border-radius:2px; }
.card-feature .thumb img{ width:100%; height:100%; object-fit:cover; }
.card-feature h3{ font-size: clamp(1.6rem, 2.4vw, 2.1rem); margin-top:.7rem; text-transform:none; }
.card-feature .excerpt{ margin-top:.9rem; color: var(--muted); }
@media (max-width: 820px){ .card-feature{ grid-template-columns:1fr; gap:1.4rem; } }

/* ==========================================================================
   ARTICLE
   ========================================================================== */
.breadcrumbs{ font-size:.8rem; color: var(--muted); }
.breadcrumbs a{ color: var(--muted); }
.breadcrumbs a:hover{ color: var(--ink); }
.breadcrumbs .sep{ margin: 0 .5rem; color: var(--border); }
.bg-ink .breadcrumbs, .bg-ink .breadcrumbs a{ color: #A9ADB6; }

.article-header{ padding: 2.5rem 0 2.2rem; }
.article-header .breadcrumbs{ margin-bottom: 1.6rem; }
.article-header h1{ max-width: 24ch; text-transform:none; font-size: clamp(2rem, 3.8vw, 2.9rem); font-weight:700; }
.article-header .subtitle{ margin-top:1rem; font-size:1.12rem; color: var(--muted); max-width: var(--measure); }
.article-meta-row{ display:flex; flex-wrap:wrap; align-items:center; gap: .5rem 1.4rem; margin-top: 1.8rem; padding-top:1.6rem; border-top:1px solid var(--border); }
.author-chip{ display:flex; align-items:center; gap:.6rem; }
.author-chip .avatar{ width:34px; height:34px; border-radius:50%; background: var(--ink); color:var(--paper); display:flex; align-items:center; justify-content:center; font-family: var(--font-display); font-weight:700; font-size:.7rem; flex:none; }
.author-chip .name{ font-size:.85rem; font-weight:700; color: var(--ink); }
.author-chip .role{ font-size:.75rem; color: var(--muted); }

.article-hero-media{ margin-top: 1.6rem; aspect-ratio: 16/9; overflow:hidden; border-radius:2px; }
.article-hero-media img{ width:100%; height:100%; object-fit:cover; }
.article-hero-caption{ font-size:.78rem; color: var(--muted); margin-top:.6rem; }

.article-body-wrap{ display:grid; grid-template-columns: 220px 1fr; gap: 3.5rem; align-items:start; padding-top: 2.5rem; }
@media (max-width: 980px){ .article-body-wrap{ grid-template-columns: 1fr; } }

.toc{ position: sticky; top: 2rem; }
.toc .eyebrow{ color: var(--muted); }
.toc ul{ margin-top: 1rem; display:flex; flex-direction:column; gap:.65rem; border-left: 1px solid var(--border); }
.toc a{ display:block; padding: .1rem 0 .1rem 1rem; font-size:.85rem; color: var(--muted); border-left: 2px solid transparent; margin-left:-1px; }
.toc a:hover{ color: var(--ink); }
.toc a.is-active{ color: var(--ink); font-weight:700; border-left-color: var(--coral); }
@media (max-width: 980px){ .toc{ display:none; } }

.article-content{ max-width: var(--measure); font-size: 1.08rem; }
.article-content > * + *{ margin-top: 1.4rem; }
.article-content h2{ font-size: clamp(1.4rem, 2.2vw, 1.8rem); margin-top: 2.6rem; text-transform:uppercase; }
.article-content h3{ font-size: 1.25rem; margin-top: 2rem; }
.article-content p{ line-height: 1.75; }
.article-content ul{ padding-left: 1.3rem; list-style: disc; display:flex; flex-direction:column; gap:.6rem; }
.article-content li{ line-height:1.65; }
.article-content a{ color: var(--ink); border-bottom: 1px solid var(--cobalt); }

.pullquote{ font-family: var(--font-serif); font-style:italic; font-weight:400; font-size: 1.8rem; line-height:1.3; color: var(--ink); border-left: 3px solid var(--coral); padding: .2rem 0 .2rem 1.6rem; }
.highlight-box{ background: var(--pale-blue); padding: 1.6rem 1.7rem; border-radius: 2px; }
.highlight-box .eyebrow{ color: var(--ink); }
.highlight-box h4{ margin-top:.5rem; }
.highlight-box p, .highlight-box ul{ margin-top:.6rem; }

.article-footer{ max-width: var(--measure); margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.author-card{ display:flex; gap:1.1rem; align-items:flex-start; }
.author-card .avatar{ width:54px; height:54px; border-radius:50%; background: var(--ink); color:var(--paper); display:flex; align-items:center; justify-content:center; font-family: var(--font-display); font-weight:700; font-size:1rem; flex:none; }
.author-card h4{ font-size:1.05rem; }
.author-card p{ font-size:.9rem; color: var(--muted); margin-top:.35rem; }

.reading-progress{ position: fixed; top:0; left:0; height:3px; background: var(--coral); z-index: 450; width:0%; transition: width .1s linear; }

.scroll-top{ position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 90; width: 44px; height:44px; border-radius:50%; background: var(--ink); color:var(--paper); display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none; transform: translateY(8px); transition: opacity .2s ease, transform .2s ease; box-shadow: var(--shadow-md); }
.scroll-top.is-visible{ opacity:1; pointer-events:auto; transform:none; }

.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:1rem; margin-bottom: 2.4rem; flex-wrap:wrap; }
.section-head h2{ margin-top:.6rem; }

/* ==========================================================================
   EDITORIAL INDEX FOOTER
   ========================================================================== */
.site-footer{ background: var(--paper); position:relative; overflow:hidden; border-top:1px solid var(--border); }
.footer-cta{ padding: clamp(4rem,8vw,7rem) 0 clamp(2.5rem,5vw,4rem); position:relative; z-index:1; }
.footer-cta h2{ max-width: 16ch; }
.footer-cta .btn{ margin-top:2.2rem; }

.footer-index{ border-top:1px solid var(--border); position:relative; z-index:1; }
.footer-index-row{ display:flex; align-items:center; justify-content:space-between; padding: 1.6rem 0; border-bottom:1px solid var(--border); transition: background .18s ease; }
.footer-index-row .left{ display:flex; align-items:baseline; gap:1.4rem; }
.footer-index-row .fnum{ font-family: var(--font-display); font-weight:700; color: var(--muted); font-size:.9rem; }
.footer-index-row h3{ font-size: clamp(1.6rem, 4vw, 2.6rem); text-transform:uppercase; transition: color .18s ease; }
.footer-index-row .arr{ font-size:1.6rem; color: var(--coral); opacity:0; transform: translateX(-6px); transition: opacity .18s ease, transform .18s ease; }
.footer-index-row:hover{ background: rgba(49,85,255,0.04); }
.footer-index-row:hover h3{ color: var(--cobalt); }
.footer-index-row:hover .arr{ opacity:1; transform: translateX(0); }

.footer-contact-area{ padding: 2.6rem 0; display:flex; flex-wrap:wrap; gap:2rem; justify-content:space-between; position:relative; z-index:1; }
.footer-contact-area .word{ font-family: var(--font-display); font-weight:800; font-size:1.1rem; }
.footer-contact-area p{ margin-top:.6rem; color: var(--muted); font-size:.92rem; line-height:1.7; }
.footer-legal{ display:flex; gap:1.6rem; flex-wrap:wrap; }
.footer-legal a{ font-size:.85rem; font-weight:600; color: var(--muted); }
.footer-legal a:hover{ color: var(--ink); }
.footer-bottom{ padding: 1.4rem 0; border-top:1px solid var(--border); font-size:.78rem; color: var(--muted); position:relative; z-index:1; }

.footer-bg-word{ position:absolute; left:50%; bottom:-6%; transform: translateX(-50%); font-family: var(--font-display); font-weight:800; font-size: clamp(6rem, 22vw, 20rem); color: transparent; -webkit-text-stroke: 1px rgba(23,24,28,0.08); text-transform:uppercase; white-space:nowrap; pointer-events:none; z-index:0; line-height:1; }

/* ==========================================================================
   FORMS
   ========================================================================== */
form .field{ margin-top: 1.3rem; }
form label{ display:block; font-size:.78rem; font-weight:800; color: var(--ink); margin-bottom:.5rem; text-transform:uppercase; letter-spacing:.05em; }
form input, form textarea, form select{ width:100%; padding: .9rem 1rem; border:1px solid var(--border); background:#fff; border-radius:2px; }
form input:focus, form textarea:focus, form select:focus{ border-color: var(--cobalt); }
form .error{ font-size:.8rem; color: #C0432E; margin-top:.4rem; display:none; }
form .field.has-error input, form .field.has-error textarea, form .field.has-error select{ border-color:#C0432E; }
form .field.has-error .error{ display:block; }
form .form-note{ font-size:.8rem; color: var(--muted); margin-top:1.2rem; }
.form-success{ background: var(--pale-blue); padding:1.4rem; margin-top:1.4rem; border-radius:2px; display:none; }
.form-success.is-visible{ display:block; }

.bg-ink form label{ color: var(--paper); }
.bg-ink form input, .bg-ink form textarea, .bg-ink form select{ background: #202126; border-color: #3A3B41; color: var(--white); }
.bg-ink form .form-note{ color: #A9ADB6; }
.bg-ink .form-success{ background: #202126; color: var(--paper); }
.bg-ink .form-success p, .bg-ink .form-success a{ color: #C7CAD1; }

.legal-content h2{ font-size:1.3rem; margin-top:2.4rem; text-transform:uppercase; }
.legal-content h3{ font-size:1.05rem; margin-top:1.6rem; }
.legal-content p, .legal-content ul{ margin-top:.9rem; color: var(--muted); max-width: var(--measure); }
.legal-content ul{ padding-left:1.2rem; list-style:disc; display:flex; flex-direction:column; gap:.5rem; }
.legal-content a{ color: var(--ink); }

.error-page{ text-align:center; padding: 6rem 1rem; }
.error-page .code{ font-family: var(--font-serif); font-style:italic; font-size: clamp(3.2rem,9vw,5.6rem); color: var(--cobalt); line-height:1; }
.error-page h1{ margin-top:1rem; }
.error-page p{ color: var(--muted); margin-top:1rem; max-width:44ch; margin-left:auto; margin-right:auto; }
.error-page .hero-actions{ justify-content:center; margin-top:2.2rem; }

.divider{ height:1px; background: var(--border); width:100%; }