:root{
  --bg: #0a1220;
  --bg-raised: #101d33;
  --bg-raised-2: #16233f;
  --ink: #e9eef7;
  --ink-dim: #aab9d1;
  --muted: #6f81a0;
  --accent: #3d7fd6;
  --accent-bright: #62a0f0;
  --line: #22345a;
  --line-soft: #182644;
  --font-display: 'Quicksand', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --radius-pill: 999px;
}

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

body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; }

::selection{ background: var(--accent); color: var(--bg); }

:focus-visible{
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.wrap{
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

header{
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10,18,32,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 20px 0;
}

.mark{
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  font-weight: 700;
  text-decoration:none;
}

nav{
  display:flex;
  gap: 8px;
}

nav a{
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-dim);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  transition: color .25s ease, background .25s ease;
}

nav a:hover{
  color: var(--ink);
  background: var(--bg-raised);
}

nav a.active{
  color: var(--ink);
  background: var(--bg-raised-2);
}

.hero{
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}

.hero-glow{
  position:absolute;
  top: -160px;
  left: 50%;
  width: 640px;
  height: 640px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(61,127,214,0.22) 0%, rgba(61,127,214,0) 65%);
  pointer-events: none;
  animation: breathe 7s ease-in-out infinite;
  border-radius: 50%;
}

@keyframes breathe{
  0%, 100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.08); }
}

.hero-content{ position: relative; max-width: 640px; }

.hero-eyebrow{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--accent-bright);
  margin: 0 0 18px;
}

h1{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1.06;
  margin: 0 0 24px;
  letter-spacing: 0.002em;
}

.hero-dek{
  font-size: 1.05rem;
  color: var(--ink-dim);
  max-width: 480px;
  margin: 0;
}

section{ padding: 68px 0; border-bottom: 1px solid var(--line-soft); }

.section-head{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}

.section-title{
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  margin: 0;
}

.section-note{
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
  text-align: right;
  white-space: nowrap;
}

.scroller{
  display:flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 14px;
  max-width: 1164px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 32px;
  scroll-padding-right: 32px;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.scroller::-webkit-scrollbar{ height: 5px; }
.scroller::-webkit-scrollbar-thumb{ background: var(--line); border-radius: var(--radius-pill); }
.scroller::-webkit-scrollbar-track{ background: transparent; }

.card{
  flex: 0 0 300px;
  scroll-snap-align: start;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 24px 24px;
  display:flex;
  flex-direction: column;
  gap: 14px;
  min-height: 240px;
  transition: border-color .25s ease, transform .25s ease, background .25s ease, box-shadow .25s ease;
}

.card:hover{
  border-color: var(--accent);
  background: var(--bg-raised-2);
  transform: translateY(-6px);
  box-shadow: 0 16px 32px -18px rgba(61,127,214,0.55);
}

.card-tag{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--accent-bright);
  display: inline-block;
  background: rgba(61,127,214,0.12);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  width: fit-content;
}

.card h3{
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.2;
}

.card p{
  font-size: 0.88rem;
  color: var(--ink-dim);
  margin: 0;
  flex-grow: 1;
}

.card-meta{
  font-size: 0.75rem;
  color: var(--muted);
  display:flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.card-link{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  text-decoration: none;
  color: var(--ink);
  display:inline-flex;
  align-items:center;
  gap: 6px;
}

.card-link span{
  display:inline-block;
  transition: transform .2s ease;
}

.card:hover .card-link span{ transform: translateX(3px); }

.oped-list{
  display:flex;
  flex-direction: column;
}

.oped-item{
  display:grid;
  grid-template-columns: 90px 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 20px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: background .25s ease;
}

.oped-item:hover{ background: var(--bg-raised); }

.oped-date{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--muted);
}

.oped-item h3{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  margin: 0 0 4px;
  transition: color .2s ease;
}

.oped-item p{
  margin:0;
  font-size: 0.86rem;
  color: var(--ink-dim);
}

.oped-byline{
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
}

.oped-item:hover h3{ color: var(--accent-bright); }

.plates{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.plate{
  aspect-ratio: 4/5;
  background:
    linear-gradient(155deg, var(--bg-raised-2) 0%, var(--bg-raised) 55%, #0a1220 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  display:flex;
  align-items:flex-end;
  padding: 16px;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.plate::before{
  content:"";
  position:absolute;
  inset:0;
  background: repeating-linear-gradient(115deg, rgba(98,160,240,0.05) 0px, rgba(98,160,240,0.05) 1px, transparent 1px, transparent 6px);
  opacity: 0;
  transition: opacity .3s ease;
}

.plate:hover{
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -18px rgba(61,127,214,0.5);
}

.plate:hover::before{ opacity: 1; }

.plate-cap{
  font-size: 0.78rem;
  color: var(--ink-dim);
  position: relative;
  z-index: 1;
}

.plate-num{
  position:absolute;
  top: 14px;
  right: 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--muted);
  background: rgba(10,18,32,0.6);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
}

footer{ padding: 60px 0 48px; }

.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
}

footer h2{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.7rem;
  margin: 0 0 14px;
}

footer p{
  color: var(--ink-dim);
  font-size: 0.92rem;
  max-width: 380px;
  margin: 0;
}

.contact-list{
  list-style: none;
  padding:0;
  margin:0;
  display:flex;
  flex-direction: column;
  gap: 10px;
}

.contact-list a{
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--ink);
  display: inline-block;
  padding: 8px 16px;
  margin-left: -16px;
  border-radius: var(--radius-pill);
  transition: color .2s ease, background .2s ease;
}

.contact-list a:hover{
  color: var(--accent-bright);
  background: var(--bg-raised);
}

.foot-bottom{
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  display:flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted);
}

@media (max-width: 760px){
  .wrap{ padding: 0 20px; }
  nav{ display:none; }
  .hero{ padding: 64px 0 48px; }
  .plates{ grid-template-columns: repeat(2, 1fr); }
  .footer-grid{ grid-template-columns: 1fr; }
  .oped-item{ grid-template-columns: 1fr; gap: 6px; padding: 18px 16px; }
  .oped-byline{ order: 3; }
  .scroller{ padding-left: 20px; padding-right: 20px; scroll-padding-left: 20px; scroll-padding-right: 20px; }
  .section-head{ flex-direction: column; align-items: flex-start; gap: 8px; }
  .section-note{ text-align: left; }
}

.back-link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--ink-dim);
  text-decoration: none;
  padding: 8px 16px;
  margin-left: -16px;
  border-radius: var(--radius-pill);
  transition: color .2s ease, background .2s ease, transform .2s ease;
}

.back-link span{
  display: inline-block;
  transition: transform .2s ease;
}

.back-link:hover{
  color: var(--ink);
  background: var(--bg-raised);
}

.back-link:hover span{ transform: translateX(-3px); }

.article-hero{
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--line-soft);
}

.article-meta-row{
  display:flex;
  align-items:center;
  gap: 14px;
  margin: 22px 0 18px;
  flex-wrap: wrap;
}

.article-byline{
  font-size: 0.85rem;
  color: var(--ink-dim);
}

.article-byline strong{
  color: var(--ink);
  font-weight: 600;
}

.article-dot{
  width: 4px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--muted);
  display: inline-block;
}

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

h1.article-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  line-height: 1.08;
  margin: 0 0 8px;
  max-width: 780px;
}

.article-dek{
  font-size: 1.05rem;
  color: var(--ink-dim);
  max-width: 620px;
  margin: 0;
}

.article-body{
  padding: 56px 0;
  border-bottom: 1px solid var(--line-soft);
}

.prose{
  max-width: 680px;
  margin: 0 auto;
  font-size: 1.02rem;
  color: var(--ink-dim);
}

.prose > *:first-child{ margin-top: 0; }

.prose p{
  margin: 0 0 22px;
  line-height: 1.75;
}

.prose h2{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--ink);
  margin: 44px 0 18px;
}

.prose h3{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--ink);
  margin: 34px 0 14px;
}

.prose img{
  display: block;
  max-width: 100%;
  height: auto;
  margin: 32px auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.prose a{
  color: var(--accent-bright);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
  transition: text-decoration-color .2s ease;
}

.prose a:hover{ text-decoration-color: var(--accent-bright); }

.prose blockquote{
  margin: 36px 0;
  padding: 22px 26px;
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--bg-raised);
}

.prose blockquote p{
  font-family: var(--font-display);
  font-weight: 500;
  font-style: normal;
  font-size: 1.25rem;
  color: var(--ink);
  margin: 0;
  line-height: 1.5;
}

.prose ul, .prose ol{
  margin: 0 0 22px;
  padding-left: 22px;
  line-height: 1.75;
}

.prose li{ margin-bottom: 8px; }

.prose figure{
  margin: 32px 0;
}
.prose figure img{
  margin: 0 auto;
}
.prose figcaption{
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 10px;
}
.article-divider{
  max-width: 680px;
  margin: 0 auto;
  border: none;
  border-top: 1px solid var(--line-soft);
}

.article-tags{
  max-width: 680px;
  margin: 32px auto 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.article-tag{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--accent-bright);
  background: rgba(61,127,214,0.12);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.related-section .section-title{ margin-bottom: 4px; }

@media (max-width: 760px){
  .prose blockquote{ padding: 18px 20px; }
  h1.article-title{ max-width: 100%; }
}

.pdf-toolbar{
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.pdf-toolbar a{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  text-decoration: none;
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.pdf-toolbar a:hover{
  border-color: var(--accent);
  color: var(--accent-bright);
  background: var(--bg-raised-2);
}

.pdf-toolbar .pdf-toolbar-note{
  font-size: 0.8rem;
  color: var(--muted);
}

.pdf-embed-wrap{
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-raised);
}

.pdf-embed-wrap iframe{
  display: block;
  width: 100%;
  height: 85vh;
  min-height: 500px;
  border: none;
}

.pdf-fallback{
  padding: 40px 24px;
  text-align: center;
  color: var(--ink-dim);
  font-size: 0.95rem;
}

.pdf-fallback a{
  color: var(--accent-bright);
}

@media (max-width: 760px){
  .pdf-embed-wrap iframe{ height: 70vh; }
}

.articles-toolbar{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}

.search-input{
  flex: 1 1 240px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 11px 20px;
  transition: border-color .2s ease;
}

.search-input::placeholder{ color: var(--muted); }
.search-input:focus{ border-color: var(--accent); outline: none; }

.sort-select{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 11px 18px;
  transition: border-color .2s ease;
  cursor: pointer;
}

.sort-select:focus{ border-color: var(--accent); outline: none; }

.tag-filters{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.tag-filter{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--ink-dim);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.tag-filter:hover{ color: var(--ink); border-color: var(--accent); }

.tag-filter.active{
  color: var(--bg);
  background: var(--accent-bright);
  border-color: var(--accent-bright);
}

.articles-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.articles-grid .card{
  flex: initial;
}

.no-results{
  text-align: center;
  color: var(--muted);
  padding: 60px 0;
  font-size: 0.95rem;
}

.vertical-scroller{
  max-width: 1164px;
  margin: 0 auto;
  padding: 4px 32px;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  scroll-padding-top: 4px;
  scroll-padding-bottom: 4px;
  overscroll-behavior-y: contain;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.vertical-scroller.compact{ max-height: 420px; }
.vertical-scroller.full{ max-height: 70vh; }

.oped-row{
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  text-decoration: none;
  color: inherit;
  scroll-snap-align: start;
  flex: 0 0 auto;
  transition: border-color .25s ease, background .25s ease, transform .2s ease;
}

.oped-row:hover{
  border-color: var(--accent);
  background: var(--bg-raised-2);
  transform: translateX(4px);
}