/* ============================================================
   Neurologic Stress & Recovery Index — nsri-ref.css
   Prefix: nr-
   Requires: global.css, header.css
   ============================================================ */
body{
  background: var(--bg-dark);
}
.nr-container         { max-width: 1100px; margin: 0 auto; padding: 0 32px; }
.nr-container--wide   { max-width: 1200px; }
.nr-container--narrow { max-width: 800px; }
.nr-text-center       { text-align: center; }

.nr-section           { padding: 88px 0; }
.nr-section--cream    { background: var(--warm-cream); }
.nr-section--white    { background: #fff; }
.nr-section--dark     { background: var(--bg-dark); }
.nr-section--teal     { background: var(--brand-teal); }

/* Eyebrow */
.nr-section-eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 1.5rem; }
.nr-eyebrow-line { width: 28px; height: 1px; background: var(--brand-terracotta); flex-shrink: 0; }
.nr-section-eyebrow span { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: var(--ls-eyebrow); text-transform: uppercase; color: var(--brand-terracotta); }
.nr-section-eyebrow--light .nr-eyebrow-line { background: var(--brand-orange); }
.nr-section-eyebrow--light span { color: var(--brand-orange); }

/* Headings */
.nr-section h2 { font-family: var(--font-display); font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 600; color: var(--text-primary); line-height: 1.18; letter-spacing: -0.02em; margin-bottom: 1rem; }
.nr-section--dark h2, .nr-section--teal h2 { color: var(--text-inverse); }
.nr-lead { font-size: 1.08rem; color: var(--text-secondary); line-height: 1.8; max-width: 680px; margin-bottom: 2rem; }
.nr-lead--light { color: var(--text-inverse-dim); }
.nr-section--teal .nr-lead { color: var(--text-inverse-dim); }
.nr-section p { font-size: var(--type-body); color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; }
.nr-section p a { color: var(--mint-dark); text-decoration: underline; text-underline-offset: 2px; }
.nr-section--teal p { color: rgba(245,240,232,0.82); }

/* Citations */
.nr-cite { background: rgba(0,88,89,0.05); border-left: 3px solid var(--brand-teal); padding: 7px 14px; margin: 5px 0; font-family: var(--font-ui); font-size: var(--type-cap); font-style: italic; color: var(--text-muted); border-radius: 0 var(--r-xs) var(--r-xs) 0; }

/* Buttons */
.nr-dev-link-primary { display: inline-flex; align-items: center; gap: 0.4rem; background: var(--brand-teal); color: var(--text-inverse); font-family: var(--font-ui); font-size: var(--type-sm); font-weight: 600; padding: 11px 24px; border-radius: var(--r-sm); text-decoration: none; transition: background var(--t-fast); }
.nr-dev-link-primary:hover { background: var(--brand-forest); }

/* ════════════════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════════════════ */
.nr-hero { background: var(--bg-dark); position: relative; overflow: hidden; }
.nr-hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 70% 60% at 80% 25%, rgba(0,88,89,0.20) 0%, transparent 60%), radial-gradient(ellipse 45% 60% at 5% 85%, rgba(1,68,37,0.25) 0%, transparent 55%); pointer-events: none; }
.nr-hero-inner { position: relative; z-index: 2; max-width: 1100px; margin: 0 auto; padding: 56px 32px 64px; }
.nr-breadcrumb { font-family: var(--font-ui); font-size: var(--type-sm); color: rgba(245,240,232,0.38); margin-bottom: 2rem; display: flex; gap: 8px; align-items: center; }
.nr-breadcrumb a { color: rgba(245,240,232,0.55); text-decoration: none; }
.nr-breadcrumb a:hover { color: var(--text-inverse); }
.nr-bc-sep { opacity: 0.4; }
.nr-hero-label-row { display: flex; align-items: center; gap: 8px; margin-bottom: 1.25rem; }
.nr-label { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 600; letter-spacing: var(--ls-eyebrow); text-transform: uppercase; color: var(--brand-orange); }
.nr-label-sep { color: rgba(245,240,232,0.25); font-size: var(--type-tag); }
.nr-hero h1 { font-family: var(--font-display); font-size: clamp(2.5rem, 5.5vw, 4.2rem); font-weight: 600; color: var(--text-inverse); line-height: 1.08; letter-spacing: -0.025em; margin-bottom: 1.25rem; }
.nr-hero h1 em { font-style: italic; color: var(--brand-orange); }
.nr-hero-deck { font-family: var(--font-display); font-size: clamp(1rem, 2vw, 1.3rem); font-style: italic; color: var(--text-inverse-dim); line-height: 1.55; max-width: 720px; margin-bottom: 2rem; }
.nr-hero-meta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 2.5rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(245,240,232,0.08); }
.nr-meta-item { display: flex; flex-direction: column; gap: 2px; }
.nr-meta-label { font-family: var(--font-ui); font-size: 0.6rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(245,240,232,0.35); }
.nr-meta-val { font-family: var(--font-ui); font-size: var(--type-sm); color: rgba(245,240,232,0.72); }
.nr-meta-div { width: 1px; height: 32px; background: rgba(245,240,232,0.10); flex-shrink: 0; }
.nr-jump-nav { display: flex; gap: 0; flex-wrap: wrap; overflow-x: auto; }
.nr-jump-link { font-family: var(--font-ui); font-size: var(--type-sm); color: rgba(245,240,232,0.45); text-decoration: none; padding: 8px 16px 8px 0; margin-right: 16px; border-bottom: 2px solid transparent; transition: color var(--t-fast), border-color var(--t-fast); white-space: nowrap; }
.nr-jump-link:hover { color: var(--text-inverse); }
.nr-jump-link--active { color: var(--text-inverse); border-bottom-color: var(--brand-orange); }

/* Two-col */
.nr-two-col { display: grid; grid-template-columns: 1fr 380px; gap: 64px; align-items: start; }

/* ── Construct card ── */
.nr-construct-card { background: var(--bg-dark); border-radius: var(--r-md); overflow: hidden; margin-bottom: 1.5rem; }
.nr-construct-title { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: var(--ls-eyebrow); text-transform: uppercase; color: var(--brand-orange); padding: 1rem 1.5rem; border-bottom: 1px solid rgba(245,240,232,0.06); }
.nr-construct-item { padding: 1.1rem 1.5rem; }
.nr-construct-divider { height: 1px; background: rgba(245,240,232,0.06); margin: 0 1.5rem; }
.nr-construct-label { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; color: var(--brand-mint); margin-bottom: 0.4rem; }
.nr-construct-desc { font-family: var(--font-ui); font-size: var(--type-sm); color: rgba(245,240,232,0.55); line-height: 1.6; }
.nr-construct-note { font-family: var(--font-ui); font-size: var(--type-cap); color: rgba(245,240,232,0.30); font-style: italic; padding: 0.75rem 1.5rem 1rem; border-top: 1px solid rgba(245,240,232,0.06); line-height: 1.55; }

/* Key numbers */
.nr-key-nums { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.nr-key-num { background: #fff; border: 1px solid var(--border); border-radius: var(--r-sm); padding: 1rem; text-align: center; }
.nr-kn-val { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--brand-teal); display: block; line-height: 1; margin-bottom: 4px; }
.nr-kn-label { font-family: var(--font-ui); font-size: var(--type-cap); color: var(--text-muted); line-height: 1.4; }

/* ════════════════════════════════════════════════════════
   ARCHITECTURE GRID (dark)
   ════════════════════════════════════════════════════════ */
.nr-arch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 1.5rem; }
.nr-arch-item { background: rgba(255,255,255,0.04); border: 1px solid rgba(245,240,232,0.08); border-radius: var(--r-sm); padding: 1.1rem 1.25rem; }
.nr-arch-item--accent { border-color: rgba(251,122,2,0.25); background: rgba(251,122,2,0.06); }
.nr-arch-label { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(245,240,232,0.38); margin-bottom: 4px; }
.nr-arch-val { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--text-inverse); line-height: 1; margin-bottom: 4px; }
.nr-arch-item--accent .nr-arch-val { color: var(--brand-orange); }
.nr-arch-note { font-family: var(--font-ui); font-size: var(--type-cap); color: rgba(245,240,232,0.40); line-height: 1.5; }
.nr-arch-note-bar { background: rgba(255,255,255,0.04); border: 1px solid rgba(245,240,232,0.08); border-radius: var(--r-sm); padding: 12px 20px; font-family: var(--font-ui); font-size: var(--type-sm); color: rgba(245,240,232,0.45); text-align: center; letter-spacing: 0.02em; }

/* ════════════════════════════════════════════════════════
   SCORE DISTRIBUTION
   ════════════════════════════════════════════════════════ */
.nr-score-layout { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; margin-bottom: 2rem; }

/* Risk tiers */
.nr-tiers { background: var(--warm-cream); border: 1px solid var(--border); border-radius: var(--r-md); padding: 1.5rem; }
.nr-tiers-title { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: var(--ls-eyebrow); text-transform: uppercase; color: var(--brand-teal); margin-bottom: 1.25rem; }
.nr-tier-bars { display: flex; flex-direction: column; gap: 14px; }
.nr-tier-row { display: flex; flex-direction: column; gap: 5px; }
.nr-tier-label { display: flex; justify-content: space-between; align-items: center; }
.nr-tier-name { font-family: var(--font-ui); font-size: var(--type-sm); color: var(--text-secondary); font-weight: 500; }
.nr-tier-pct { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--text-primary); }
.nr-tier-bar-wrap { height: 28px; background: rgba(0,88,89,0.08); border-radius: var(--r-sm); overflow: hidden; }
.nr-tier-bar { height: 100%; width: 0; display: flex; align-items: center; padding: 0 10px; border-radius: var(--r-sm); transition: width 0.9s cubic-bezier(0.16,1,0.3,1); font-family: var(--font-ui); font-size: var(--type-cap); font-weight: 600; color: var(--text-inverse); white-space: nowrap; min-width: 48px; }
.nr-tier-bar--danger { background: #8C2400; }
.nr-tier-bar--warn   { background: var(--brand-terracotta); }
.nr-tier-bar--mid    { background: var(--brand-teal); }
.nr-tier-bar--good   { background: var(--mint-mid); }
.nr-tiers-visible .nr-tier-bar { width: var(--w); }
.nr-tier-note { font-family: var(--font-ui); font-size: var(--type-cap); color: var(--text-muted); font-style: italic; margin-top: 1rem; line-height: 1.55; }

/* Percentile table */
.nr-percentile-table { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; }
.nr-pt-title { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: var(--ls-eyebrow); text-transform: uppercase; color: var(--brand-teal); padding: 12px 16px; border-bottom: 1px solid var(--border); }
.nr-pt-header { display: grid; grid-template-columns: 1fr repeat(3, 80px); padding: 8px 16px; background: rgba(0,88,89,0.05); font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); }
.nr-pt-row { display: grid; grid-template-columns: 1fr repeat(3, 80px); padding: 8px 16px; border-bottom: 1px solid rgba(0,88,89,0.05); font-family: var(--font-ui); font-size: var(--type-sm); color: var(--text-secondary); }
.nr-pt-row:last-child { border-bottom: none; }
.nr-pt-row--mid { background: rgba(0,88,89,0.04); font-weight: 600; }
.nr-pt-pos { color: var(--mint-dark); font-weight: 600; }
.nr-pt-neg { color: var(--brand-terracotta); }
.nr-pt-source { font-family: var(--font-ui); font-size: var(--type-cap); color: var(--text-muted); font-style: italic; padding: 8px 16px; border-top: 1px solid var(--border); }
.nr-distribution-note { font-family: var(--font-ui); font-size: var(--type-sm); color: var(--text-secondary); line-height: 1.7; padding: 1rem 1.5rem; background: var(--warm-cream); border-radius: var(--r-sm); margin-bottom: 0.75rem; }
.nr-source-note { font-family: var(--font-ui); font-size: var(--type-cap); color: var(--text-muted); font-style: italic; }

/* ════════════════════════════════════════════════════════
   FIVE DOMAINS GRID
   ════════════════════════════════════════════════════════ */
.nr-domains-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 1rem; }
.nr-domain-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md); padding: 1.25rem; border-top: 3px solid var(--brand-teal); }
.nr-domain-card--highlight { border-top-color: var(--brand-orange); background: rgba(251,122,2,0.03); }
.nr-domain-code { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: 0.12em; color: var(--brand-teal); margin-bottom: 4px; }
.nr-domain-card--highlight .nr-domain-code { color: var(--brand-terracotta); }
.nr-domain-name { font-family: var(--font-display); font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; line-height: 1.3; }
.nr-domain-refs { font-family: var(--font-ui); font-size: 0.62rem; color: var(--text-muted); margin-bottom: 0.75rem; }
.nr-domain-stats { display: flex; flex-direction: column; gap: 6px; margin-bottom: 0.75rem; }
.nr-ds { display: flex; flex-direction: column; gap: 1px; }
.nr-ds-val { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--brand-teal); line-height: 1; }
.nr-ds-accent { color: var(--brand-terracotta); }
.nr-ds-lbl { font-family: var(--font-ui); font-size: var(--type-cap); color: var(--text-muted); }
.nr-domain-bar-wrap { height: 4px; background: rgba(0,88,89,0.10); border-radius: var(--r-full); overflow: hidden; }
.nr-domain-bar { height: 100%; width: 0; background: var(--brand-teal); border-radius: var(--r-full); transition: width 0.8s cubic-bezier(0.16,1,0.3,1) 0.1s; }
.nr-domain-bar--accent { background: var(--brand-terracotta); }
.nr-domain-bar--low { background: var(--mint-mid); }
.nr-domains-visible .nr-domain-bar { width: var(--w); }
.nr-domain-note { font-family: var(--font-ui); font-size: var(--type-cap); color: var(--brand-terracotta); font-style: italic; line-height: 1.4; margin-top: 0.5rem; }

/* ════════════════════════════════════════════════════════
   BOTTLENECK INDEX (dark)
   ════════════════════════════════════════════════════════ */
.nr-bi-stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 2rem; }
.nr-bi-stat { background: rgba(255,255,255,0.04); border: 1px solid rgba(245,240,232,0.08); border-radius: var(--r-sm); padding: 1.1rem; text-align: center; }
.nr-bi-stat--accent { border-color: rgba(251,122,2,0.25); background: rgba(251,122,2,0.06); }
.nr-bi-num { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; color: var(--text-inverse); line-height: 1; margin-bottom: 4px; }
.nr-bi-stat--accent .nr-bi-num { color: var(--brand-orange); }
.nr-bi-lbl { font-family: var(--font-ui); font-size: var(--type-cap); color: rgba(245,240,232,0.40); line-height: 1.5; }

/* Contributors table */
.nr-contributors { background: rgba(255,255,255,0.03); border: 1px solid rgba(245,240,232,0.08); border-radius: var(--r-md); overflow: hidden; }
.nr-ct-title { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: var(--ls-eyebrow); text-transform: uppercase; color: var(--brand-orange); padding: 12px 16px; border-bottom: 1px solid rgba(245,240,232,0.06); }
.nr-ct-note { font-family: var(--font-ui); font-size: var(--type-cap); color: rgba(245,240,232,0.28); font-style: italic; padding: 6px 16px 8px; border-bottom: 1px solid rgba(245,240,232,0.04); }
.nr-ct-header { display: grid; grid-template-columns: 1fr 80px 80px 110px; gap: 0; padding: 8px 16px; background: rgba(255,255,255,0.04); font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(245,240,232,0.30); }
.nr-ct-row { display: grid; grid-template-columns: 1fr 80px 80px 110px; gap: 0; padding: 9px 16px; border-bottom: 1px solid rgba(245,240,232,0.04); font-family: var(--font-ui); font-size: var(--type-sm); color: rgba(245,240,232,0.65); align-items: center; }
.nr-ct-row:last-of-type { border-bottom: none; }
.nr-ct-row--dominant { background: rgba(251,122,2,0.06); }
.nr-ct-strong { color: var(--brand-orange); font-weight: 600; }
.nr-ct-warn   { color: #FF7A5A; font-weight: 600; }
.nr-ct-source { font-family: var(--font-ui); font-size: var(--type-cap); color: rgba(245,240,232,0.22); font-style: italic; padding: 8px 16px; border-top: 1px solid rgba(245,240,232,0.04); }

.nr-dominant-callout { background: rgba(251,122,2,0.07); border: 1px solid rgba(251,122,2,0.20); border-left: 4px solid var(--brand-orange); border-radius: 0 var(--r-sm) var(--r-sm) 0; padding: 1.5rem 2rem; margin-top: 2rem; }
.nr-dc-label { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: var(--ls-eyebrow); text-transform: uppercase; color: var(--brand-orange); margin-bottom: 0.75rem; }
.nr-dominant-callout p { color: rgba(245,240,232,0.78) !important; font-size: var(--type-sm) !important; margin-bottom: 0.5rem !important; }
.nr-dominant-callout p:last-child { margin-bottom: 0 !important; }
.nr-dominant-callout strong { color: var(--text-inverse); }

/* ════════════════════════════════════════════════════════
   SEX TABLE
   ════════════════════════════════════════════════════════ */
.nr-sex-table { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; }
.nr-sex-header { display: grid; grid-template-columns: 1fr 1fr 1fr; padding: 10px 14px; background: var(--brand-teal); font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(245,240,232,0.75); }
.nr-sex-row { display: grid; grid-template-columns: 1fr 1fr 1fr; padding: 9px 14px; border-bottom: 1px solid var(--border); font-family: var(--font-ui); font-size: var(--type-cap); color: var(--text-secondary); align-items: center; }
.nr-sex-row:last-of-type { border-bottom: none; }
.nr-sex-row--note { background: rgba(0,88,89,0.04); font-style: italic; color: var(--text-muted); }
.nr-sex-source { font-family: var(--font-ui); font-size: var(--type-cap); color: var(--text-muted); font-style: italic; padding: 8px 14px; border-top: 1px solid var(--border); }

/* ════════════════════════════════════════════════════════
   CLINICAL SCOPE
   ════════════════════════════════════════════════════════ */
.nr-scope-statement { background: rgba(0,88,89,0.06); border: 1px solid rgba(0,88,89,0.14); border-left: 4px solid var(--brand-teal); border-radius: 0 var(--r-sm) var(--r-sm) 0; padding: 12px 16px; font-family: var(--font-ui); font-size: var(--type-sm); font-style: italic; color: var(--brand-teal); font-weight: 600; margin-top: 1rem; }
.nr-for-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.nr-for-list li { font-family: var(--font-ui); font-size: var(--type-sm); color: var(--text-secondary); line-height: 1.65; padding-left: 1rem; position: relative; }
.nr-for-list li::before { content: ''; position: absolute; left: 0; top: 0.55em; width: 5px; height: 5px; border-radius: 50%; background: var(--brand-teal); }

/* ════════════════════════════════════════════════════════
   HARP FRAMEWORK (teal)
   ════════════════════════════════════════════════════════ */
.nr-harp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 2rem; }
.nr-harp-card { background: rgba(255,255,255,0.08); border: 1px solid rgba(245,240,232,0.12); border-radius: var(--r-md); padding: 1.5rem; display: flex; gap: 1rem; align-items: flex-start; transition: background var(--t-fast); }
.nr-harp-card:hover { background: rgba(255,255,255,0.13); }
.nr-harp-letter { font-family: var(--font-display); font-size: 3.5rem; font-weight: 700; color: var(--brand-orange); line-height: 1; flex-shrink: 0; }
.nr-harp-name { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; color: var(--text-inverse); margin-bottom: 0.4rem; }
.nr-harp-desc { font-family: var(--font-ui); font-size: var(--type-sm); color: rgba(245,240,232,0.60); line-height: 1.6; }

/* ════════════════════════════════════════════════════════
   DEVELOPER CARD
   ════════════════════════════════════════════════════════ */
.nr-developer-card { display: grid; grid-template-columns: 220px 1fr; gap: 48px; align-items: start; margin-bottom: 2rem; }
.nr-dev-photo { border-radius: var(--r-md); overflow: hidden; aspect-ratio: 3/4; }
.nr-dev-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block; }
.nr-dev-copy h2 { margin-bottom: 0.75rem; }
.nr-dev-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 1.5rem; }
.nr-dev-link { font-family: var(--font-ui); font-size: var(--type-sm); color: var(--brand-teal); text-decoration: none; font-weight: 500; border-bottom: 1px solid rgba(0,88,89,0.25); padding-bottom: 1px; transition: color var(--t-fast), border-color var(--t-fast); }
.nr-dev-link:hover { color: var(--brand-forest); border-color: var(--brand-forest); }

.nr-closing-callout { background: var(--bg-dark); border-radius: var(--r-md); padding: 2rem; }
.nr-cc-brand { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: var(--ls-eyebrow); text-transform: uppercase; color: var(--brand-orange); margin-bottom: 0.75rem; }
.nr-closing-callout p { color: rgba(245,240,232,0.72) !important; font-size: var(--type-sm) !important; margin-bottom: 0.75rem !important; }
.nr-cc-stats { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 1rem; font-family: var(--font-ui); font-size: var(--type-cap); color: rgba(245,240,232,0.38); }
.nr-cc-stats span:not(:last-child):not(:nth-child(even)) { color: rgba(245,240,232,0.58); }

/* ════════════════════════════════════════════════════════
   REFERENCES
   ════════════════════════════════════════════════════════ */
.nr-ref-accordion { display: flex; flex-direction: column; margin: 1.5rem 0; }
.nr-ref-group { border-bottom: 1px solid var(--border); }
.nr-ref-group:first-child { border-top: 1px solid var(--border); }
.nr-ref-group summary { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; cursor: pointer; list-style: none; font-family: var(--font-ui); font-size: var(--type-body); font-weight: 600; color: var(--brand-teal); user-select: none; gap: 1rem; }
.nr-ref-group summary::-webkit-details-marker { display: none; }
.nr-ref-group summary::after { content: '+'; font-size: 1.3rem; font-weight: 300; color: var(--brand-terracotta); flex-shrink: 0; }
.nr-ref-group[open] summary::after { content: '−'; }
.nr-ref-count { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 500; background: rgba(0,88,89,0.08); color: var(--brand-teal); border-radius: var(--r-full); padding: 2px 8px; letter-spacing: 0; margin-left: auto; }
.nr-ref-list { list-style: decimal; padding: 0 0 1.25rem 1.5rem; }
.nr-ref-list li { font-family: var(--font-ui); font-size: var(--type-cap); font-style: italic; color: var(--text-muted); padding: 4px 0; line-height: 1.6; border-bottom: 1px solid rgba(0,88,89,0.05); }
.nr-ref-list li:last-child { border-bottom: none; }

/* ════════════════════════════════════════════════════════
   CROSS-PAGE NAV
   ════════════════════════════════════════════════════════ */
.nr-page-nav { background: var(--bg-dark); padding: 48px 0; }
.nr-page-nav-label { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: var(--ls-eyebrow); text-transform: uppercase; color: rgba(245,240,232,0.35); margin-bottom: 1.5rem; }
.nr-nav-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.nr-nav-link { display: flex; flex-direction: column; background: rgba(255,255,255,0.04); border: 1px solid rgba(245,240,232,0.08); border-radius: var(--r-sm); padding: 1.25rem 1.5rem; text-decoration: none; transition: background var(--t-fast), border-color var(--t-fast); gap: 6px; }
.nr-nav-link:hover { background: rgba(255,255,255,0.08); border-color: rgba(245,240,232,0.16); }
.nr-nav-link-tag { font-family: var(--font-ui); font-size: var(--type-tag); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand-orange); }
.nr-nav-link-title { font-family: var(--font-display); font-size: 1.15rem; color: var(--text-inverse); line-height: 1.3; flex: 1; }
.nr-nav-link-arrow { font-size: 1rem; color: rgba(245,240,232,0.30); margin-top: 4px; transition: color var(--t-fast), transform var(--t-fast); }
.nr-nav-link:hover .nr-nav-link-arrow { color: var(--brand-orange); transform: translateX(4px); }

/* ════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .nr-domains-grid { grid-template-columns: repeat(3, 1fr); }
  .nr-harp-grid    { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .nr-container { padding: 0 24px; }
  .nr-section { padding: 64px 0; }
  .nr-two-col { grid-template-columns: 1fr; gap: 40px; }
  .nr-arch-grid { grid-template-columns: repeat(2, 1fr); }
  .nr-bi-stat-row { grid-template-columns: repeat(2, 1fr); }
  .nr-score-layout { grid-template-columns: 1fr; }
  .nr-ct-header, .nr-ct-row { grid-template-columns: 1fr 70px 70px 90px; font-size: var(--type-cap); }
  .nr-nav-links { grid-template-columns: 1fr; }
  .nr-developer-card { grid-template-columns: 180px 1fr; gap: 32px; }
  .nr-meta-div { display: none; }
  .nr-key-nums { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .nr-hero-inner { padding: 40px 20px 48px; }
  .nr-arch-grid { grid-template-columns: 1fr; }
  .nr-domains-grid { grid-template-columns: 1fr; }
  .nr-harp-grid { grid-template-columns: 1fr; }
  .nr-developer-card { grid-template-columns: 1fr; }
  .nr-dev-photo { max-width: 200px; aspect-ratio: 1/1; }
  .nr-ct-header, .nr-ct-row { grid-template-columns: 1fr 65px 65px; }
  .nr-ct-row > span:last-child, .nr-ct-header > span:last-child { display: none; }
  .nr-bi-stat-row { grid-template-columns: 1fr; }
  .nr-sex-header, .nr-sex-row { grid-template-columns: 1fr 1fr; }
  .nr-sex-header > span:last-child, .nr-sex-row > span:last-child { display: none; }
  .nr-pt-header, .nr-pt-row { grid-template-columns: 1fr 70px 70px 50px; }
  .nr-score-layout { grid-template-columns: 1fr; }
}