:root { --editorial-width: 820px; }

.resource-main { overflow: hidden; }
.resource-hero {
  position: relative;
  padding: 104px 0 92px;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 22%, rgba(78,124,241,.3), transparent 32%),
    radial-gradient(circle at 18% 85%, rgba(112,40,216,.22), transparent 35%),
    #09112f;
}
.resource-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .24;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}
.resource-hero-inner { position: relative; z-index: 1; max-width: 980px; }
.resource-hero h1 {
  max-width: 950px;
  margin: 22px 0 24px;
  font-size: clamp(52px, 7vw, 88px);
  line-height: .98;
  letter-spacing: -.052em;
}
.resource-hero p {
  max-width: 760px;
  margin: 0;
  color: #bcc7e3;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.58;
}
.resource-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #a9bcf0;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.resource-label::before { content: ""; width: 28px; height: 1px; background: #7697ef; }

.featured-resource { background: var(--soft); }
.featured-resource-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); gap: 70px; align-items: center; }
.paper-cover-large {
  position: relative;
  min-height: 610px;
  overflow: hidden;
  padding: 40px;
  color: var(--white);
  border-radius: 30px;
  background: linear-gradient(155deg, #0a1231 4%, #162b64 56%, #5f24bd 125%);
  box-shadow: 0 36px 90px rgba(17,30,70,.23);
}
.paper-cover-large::before {
  content: ""; position: absolute; inset: 0; opacity: .28;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 87%);
}
.cover-meta, .cover-copy, .cover-visual { position: relative; z-index: 1; }
.cover-meta { display: flex; justify-content: space-between; gap: 20px; color: #b8c6e8; font-size: 10px; font-weight: 850; letter-spacing: .14em; }
.cover-visual {
  height: 250px;
  margin: 34px -10px 34px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 22px;
  background: #07102d;
  box-shadow: 0 22px 55px rgba(3,8,28,.28);
}
.cover-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(8,16,46,.04) 0%, rgba(8,16,46,.02) 56%, rgba(8,16,46,.42) 100%),
    radial-gradient(circle at 50% 32%, rgba(112,140,255,.10), transparent 48%);
}
.cover-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 57%;
  transform: scale(1.025);
  transition: transform .55s ease;
}
.paper-cover-large:hover .cover-visual img { transform: scale(1.055); }
.cover-copy small { display: block; margin-bottom: 13px; color: #9eb2e9; font-size: 11px; font-weight: 900; letter-spacing: .17em; }
.cover-copy h2 { max-width: 560px; margin: 0; font-size: clamp(36px, 4.6vw, 60px); line-height: 1.03; letter-spacing: -.042em; }
.cover-copy p { margin: 20px 0 0; color: #c1cae3; font-size: 14px; }
.featured-copy h2 { margin: 18px 0 22px; font-size: clamp(38px, 4.4vw, 62px); line-height: 1.04; letter-spacing: -.043em; }
.featured-copy > p { color: var(--muted); font-size: 17px; line-height: 1.7; }
.resource-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 28px 0 34px; }
.resource-facts div { padding: 16px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.resource-facts small { display: block; margin-bottom: 6px; color: #818ba2; font-size: 9px; font-weight: 850; letter-spacing: .12em; }
.resource-facts strong { font-size: 13px; line-height: 1.4; }

.editorial-intro { padding-bottom: 48px; }
.editorial-intro-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.editorial-intro h2 { margin: 18px 0 0; font-size: clamp(38px, 4.4vw, 62px); line-height: 1.04; letter-spacing: -.042em; }
.editorial-intro-copy { display: grid; gap: 22px; }
.editorial-intro-copy p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.72; }
.editorial-principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 60px; }
.editorial-principles article { padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.editorial-principles span { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 24px; border-radius: 12px; color: var(--white); background: var(--ink); font-size: 11px; font-weight: 850; }
.editorial-principles h3 { margin: 0 0 10px; font-size: 18px; }
.editorial-principles p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

.resource-library { background: var(--soft); }
.library-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 46px; }
.library-head h2 { margin: 16px 0 0; font-size: clamp(38px, 4.4vw, 62px); line-height: 1.04; letter-spacing: -.042em; }
.library-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.library-card { min-height: 350px; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.library-card[href]:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.library-card .card-type { color: var(--blue-2); font-size: 10px; font-weight: 850; letter-spacing: .14em; }
.library-card h3 { margin: 26px 0 15px; font-size: 28px; line-height: 1.12; letter-spacing: -.025em; }
.library-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.library-card footer { display: flex; justify-content: space-between; gap: 16px; margin-top: auto; padding-top: 28px; color: #768097; font-size: 11px; font-weight: 750; }
.library-card.coming { background: rgba(255,255,255,.58); }
.library-card.coming h3, .library-card.coming p { opacity: .75; }
.status-pill { padding: 5px 8px; border-radius: 999px; background: #eef1f8; color: #626c84; font-size: 9px; font-weight: 850; letter-spacing: .08em; }

.resource-cta { padding: 80px 0; }
.resource-cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.resource-cta h2 { max-width: 820px; margin: 0; font-size: clamp(36px, 4.5vw, 60px); line-height: 1.04; letter-spacing: -.043em; }
.resource-cta p { max-width: 760px; margin: 18px 0 0; color: #b9c4df; font-size: 17px; line-height: 1.65; }

/* White paper */
.paper-hero { padding: 92px 0 76px; }
.paper-breadcrumb { display: flex; flex-wrap: wrap; gap: 9px; color: #9eabd0; font-size: 12px; }
.paper-breadcrumb a:hover { color: #fff; }
.paper-breadcrumb span::before { content: "/"; margin-right: 9px; opacity: .5; }
.paper-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(320px, .58fr); gap: 72px; align-items: end; margin-top: 74px; }
.paper-hero h1 { max-width: 870px; margin: 16px 0 24px; font-size: clamp(52px, 7.6vw, 96px); line-height: .95; letter-spacing: -.055em; }
.paper-subtitle { max-width: 760px; margin: 0; color: #c2cbe2; font-size: clamp(19px, 2.2vw, 24px); line-height: 1.55; }
.paper-hero-side { padding: 28px; border: 1px solid rgba(255,255,255,.15); border-radius: 18px; background: rgba(255,255,255,.055); backdrop-filter: blur(12px); }
.paper-hero-side dl { display: grid; gap: 18px; margin: 0; }
.paper-hero-side div { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.1); }
.paper-hero-side div:last-child { padding-bottom: 0; border-bottom: 0; }
.paper-hero-side dt { color: #8fa1ce; font-size: 10px; font-weight: 850; letter-spacing: .12em; }
.paper-hero-side dd { margin: 0; font-size: 13px; font-weight: 700; line-height: 1.45; }
.paper-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.paper-shell { display: grid; grid-template-columns: 250px minmax(0, var(--editorial-width)); gap: 76px; align-items: start; max-width: 1180px; margin: 0 auto; }
.paper-toc { position: sticky; top: 108px; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.paper-toc > strong { display: block; margin-bottom: 16px; font-size: 11px; letter-spacing: .12em; }
.paper-toc nav { display: grid; gap: 2px; }
.paper-toc a { padding: 8px 10px; border-radius: 8px; color: #667088; font-size: 12px; line-height: 1.35; }
.paper-toc a:hover { color: var(--blue-2); background: #f4f6fb; }
.paper-article { min-width: 0; }
.paper-article section { padding: 0; margin: 0 0 90px; }
.paper-article section:last-child { margin-bottom: 0; }
.paper-section-index { display: inline-block; margin-bottom: 18px; color: var(--blue-2); font-size: 10px; font-weight: 900; letter-spacing: .15em; }
.paper-article h2 { margin: 0 0 28px; font-size: clamp(38px, 4.6vw, 62px); line-height: 1.04; letter-spacing: -.043em; }
.paper-article h3 { margin: 40px 0 16px; font-size: 25px; line-height: 1.22; letter-spacing: -.02em; }
.paper-article p { margin: 0 0 22px; color: #3f4962; font-size: 18px; line-height: 1.78; }
.paper-article .lead-paragraph { color: var(--ink); font-size: 23px; line-height: 1.58; letter-spacing: -.012em; }
.paper-callout { margin: 38px 0; padding: 30px 32px; border-left: 4px solid var(--blue); border-radius: 0 16px 16px 0; background: #f3f6ff; }
.paper-callout strong { display: block; margin-bottom: 10px; font-size: 20px; }
.paper-callout p { margin: 0; font-size: 16px; line-height: 1.65; }
.paper-quote { margin: 50px 0; padding: 38px; color: #fff; border-radius: 20px; background: linear-gradient(145deg, var(--ink), #273d7d); }
.paper-quote p { margin: 0; color: #fff; font-size: 28px; line-height: 1.45; letter-spacing: -.02em; }
.paper-quote cite { display: block; margin-top: 18px; color: #aebde2; font-size: 12px; font-style: normal; font-weight: 750; letter-spacing: .08em; }
.paper-diagram { margin: 42px 0; padding: 34px; border: 1px solid var(--line); border-radius: 20px; background: #fbfcff; }
.diagram-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; align-items: stretch; }
.diagram-flow div { position: relative; display: grid; place-items: center; min-height: 116px; padding: 15px; border: 1px solid #d9dfed; border-radius: 14px; background: #fff; text-align: center; }
.diagram-flow div:not(:last-child)::after { content: "→"; position: absolute; right: -17px; z-index: 2; color: #7b87a3; font-weight: 900; }
.diagram-flow small { display: block; margin-bottom: 7px; color: #8791a9; font-size: 9px; font-weight: 850; letter-spacing: .1em; }
.diagram-flow strong { font-size: 13px; line-height: 1.35; }
.diagram-flow .highlight { color: #fff; border-color: transparent; background: linear-gradient(145deg, #4e7cf1, #6c33cf); }
.diagram-flow .highlight small { color: #dbe4ff; }
.state-of-art-table { width: 100%; margin: 40px 0; border-collapse: collapse; border-radius: 18px; overflow: hidden; box-shadow: 0 0 0 1px var(--line); }
.state-of-art-table th, .state-of-art-table td { padding: 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.state-of-art-table tr:last-child td { border-bottom: 0; }
.state-of-art-table th { color: #fff; background: var(--ink); font-size: 11px; letter-spacing: .08em; }
.state-of-art-table td { color: #48526a; font-size: 14px; line-height: 1.55; }
.state-of-art-table td:first-child { width: 22%; color: var(--ink); font-weight: 780; }
.state-of-art-table td:nth-child(2) { width: 36%; }

.condition-card { margin: 40px 0; overflow: hidden; border: 1px solid #d9def0; border-radius: 20px; background: #fff; box-shadow: 0 18px 45px rgba(20,35,80,.08); }
.condition-card-head { display: flex; justify-content: space-between; gap: 18px; padding: 20px 24px; color: #fff; background: var(--ink); }
.condition-card-head span { font-size: 10px; font-weight: 850; letter-spacing: .12em; }
.condition-card-head b { padding: 5px 8px; border-radius: 999px; color: #ffd4da; background: rgba(231,80,101,.16); font-size: 9px; letter-spacing: .1em; }
.condition-evidence { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-bottom: 1px solid var(--line); }
.condition-evidence div { padding: 22px; border-right: 1px solid var(--line); }
.condition-evidence div:last-child { border-right: 0; }
.condition-evidence small, .condition-guidance small { display: block; margin-bottom: 8px; color: #818ca3; font-size: 9px; font-weight: 850; letter-spacing: .11em; }
.condition-evidence strong { font-size: 14px; line-height: 1.4; }
.condition-guidance { display: grid; grid-template-columns: .9fr 1.1fr; gap: 0; }
.condition-guidance > div { padding: 24px; }
.condition-guidance > div:first-child { border-right: 1px solid var(--line); }
.condition-guidance strong { font-size: 16px; line-height: 1.45; }

.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 38px 0; }
.value-grid article { padding: 26px; border: 1px solid var(--line); border-radius: 17px; background: #fff; }
.value-grid span { display: block; margin-bottom: 20px; color: var(--blue-2); font-size: 11px; font-weight: 900; letter-spacing: .12em; }
.value-grid h3 { margin: 0 0 12px; font-size: 21px; }
.value-grid p { margin: 0; font-size: 15px; line-height: 1.62; }
.adoption-steps { display: grid; gap: 12px; margin: 38px 0; counter-reset: adoption; }
.adoption-steps article { counter-increment: adoption; display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 22px; border: 1px solid var(--line); border-radius: 15px; }
.adoption-steps article::before { content: counter(adoption, decimal-leading-zero); display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; color: #fff; background: var(--ink); font-size: 11px; font-weight: 850; }
.adoption-steps h3 { margin: 2px 0 8px; font-size: 18px; }
.adoption-steps p { margin: 0; font-size: 15px; line-height: 1.6; }
.paper-article section.paper-end { padding: 44px; border-radius: 22px; color: #fff; background: linear-gradient(145deg, #09112f, #243c81); }
.paper-end h2 { color: #fff; }
.paper-end p { color: #c4cee6; }
.paper-end .button { margin-top: 12px; }

[hidden] { display: none !important; }

@media (max-width: 1000px) {
  .featured-resource-grid, .editorial-intro-grid, .paper-hero-grid { grid-template-columns: 1fr; }
  .featured-resource-grid { gap: 50px; }
  .paper-cover-large { min-height: 560px; }
  .paper-shell { grid-template-columns: 1fr; }
  .paper-toc { position: static; }
  .paper-toc nav { grid-template-columns: repeat(2, 1fr); }
  .library-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .resource-hero { padding: 72px 0; }
  .resource-hero h1, .paper-hero h1 { font-size: 52px; }
  .paper-hero-grid { margin-top: 52px; }
  .paper-cover-large { min-height: 510px; padding: 28px; }
  .cover-visual { height: 220px; margin: 28px -6px 30px; }
  .resource-facts, .editorial-principles, .library-grid, .value-grid { grid-template-columns: 1fr; }
  .library-card { min-height: 300px; }
  .resource-cta-inner { grid-template-columns: 1fr; }
  .paper-toc nav { grid-template-columns: 1fr; }
  .paper-article p { font-size: 17px; }
  .paper-article .lead-paragraph { font-size: 21px; }
  .diagram-flow { grid-template-columns: 1fr; }
  .diagram-flow div:not(:last-child)::after { content: "↓"; right: auto; bottom: -18px; }
  .condition-evidence, .condition-guidance { grid-template-columns: 1fr; }
  .condition-evidence div { border-right: 0; border-bottom: 1px solid var(--line); }
  .condition-evidence div:last-child { border-bottom: 0; }
  .condition-guidance > div:first-child { border-right: 0; border-bottom: 1px solid var(--line); }
  .state-of-art-table { display: block; overflow-x: auto; }
  .state-of-art-table th, .state-of-art-table td { min-width: 180px; }
}

@media print {
  .site-header, .site-footer, .paper-toc, .paper-actions, .resource-cta { display: none !important; }
  body { color: #111; background: #fff; }
  .paper-hero { padding: 32px 0; color: #111; background: #fff !important; }
  .paper-hero::after { display: none; }
  .paper-breadcrumb, .paper-hero-side { display: none; }
  .paper-hero h1 { color: #111; font-size: 46pt; }
  .paper-subtitle { color: #333; }
  .paper-shell { display: block; max-width: none; }
  .paper-article section { margin-bottom: 42px; break-inside: auto; }
  .paper-article h2, .paper-article h3 { break-after: avoid; }
  .paper-diagram, .paper-callout, .paper-quote, .condition-card, .value-grid article, .adoption-steps article { break-inside: avoid; }
  .paper-quote, .paper-end { color: #111; background: #f2f2f2 !important; }
  .paper-quote p, .paper-end h2, .paper-end p { color: #111; }
  a { text-decoration: none; }
}