/* =================================================================
   CDO Global · /science/ — раздел «Наука»
   Темный фон, Manrope, лаймовый акцент. Совместим со стилем сайта.
   ================================================================= */

:root{
  --lime: #74D414;
  --lime-soft: rgba(116, 212, 20, .14);
  --lime-light: #8FE234;
  --lime-dark: #5DB00C;

  --ink-950: #070A08;
  --ink-900: #0B0F0C;
  --ink-800: #141A16;
  --ink-700: #1B2320;

  --text: #E7ECE8;
  --text-strong: #FFFFFF;
  --text-muted: rgba(255,255,255,.70);
  --text-faint: rgba(255,255,255,.50);
  --text-dim:   rgba(255,255,255,.35);

  --surface-1: rgba(255,255,255,0.04);
  --surface-2: rgba(255,255,255,0.06);
  --surface-3: rgba(255,255,255,0.08);

  --border-1: rgba(255,255,255,0.08);
  --border-2: rgba(255,255,255,0.15);
  --border-lime: rgba(116,212,20,0.40);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  --container: 1240px;
  --header-h: 72px;

  --ease: cubic-bezier(.2,.7,.2,1);
  --ease-out: cubic-bezier(0,0,.2,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior:smooth; scroll-padding-top: 84px; }
body{
  margin:0;
  background: var(--ink-900);
  color: var(--text);
  font-family: Manrope, system-ui, -apple-system, sans-serif;
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img,svg{ display:block; max-width:100%; }
a{ color: inherit; text-decoration: none; }
button{ font: inherit; cursor: pointer; background: transparent; color: inherit; border: 0;}
ul,ol{ list-style:none; padding:0; margin:0; }
em{ font-style: normal; color: var(--lime); }

.sr-only{
  position:absolute !important; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
.skip-link{ position:absolute; left:-9999px; }
.skip-link:focus{ left:1rem; top:1rem; background: var(--lime); color: var(--ink-900); padding:.5rem .75rem; border-radius: var(--radius-sm); z-index:9999; }

/* ===== Container ===== */
.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
}
@media (min-width: 640px){ .container{ padding: 0 2rem; } }

.lime-text{ color: var(--lime); }

/* ===== Decorative ===== */
.bg-grid{
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 48px 48px;
}
.glow{
  position:absolute; border-radius: 9999px;
  background: radial-gradient(circle, rgba(116,212,20,.28), rgba(116,212,20,0) 70%);
  filter: blur(40px); pointer-events:none; z-index:0;
}

/* ===== Buttons ===== */
.btn-primary{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  background: var(--lime); color: var(--ink-900);
  padding: .875rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 700; font-size: .9375rem;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn-primary:hover{ background: var(--lime-light); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(116,212,20,.32); }
.btn-primary.btn-sm{ padding: .5rem 1rem; font-size:.875rem; }

.btn-ghost{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  background: transparent; color: var(--text-strong);
  padding: .8125rem 1.4375rem;
  border-radius: var(--radius-pill);
  font-weight: 600; font-size: .9375rem;
  border: 1px solid var(--border-2);
  transition: background .2s ease, border-color .2s ease;
}
.btn-ghost:hover{ background: var(--surface-1); border-color: var(--border-lime); }

/* ===== Header ===== */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(11,15,12,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-1);
}
.site-header > .container{
  display:flex; align-items:center; justify-content:space-between;
  min-height: var(--header-h); gap: 1.5rem;
}
.site-logo{ display:inline-flex; align-items:center; }
.site-logo img{ height: 32px; width: auto; }

.site-nav{ display:flex; align-items:center; gap:.25rem; }
.site-nav a{
  position:relative;
  font-size: .9375rem; font-weight: 500;
  color: var(--text-muted);
  padding: .5rem .875rem; border-radius: var(--radius-pill);
  transition: color .2s ease, background-color .2s ease;
}
.site-nav a:hover{ color: var(--text-strong); background: var(--surface-1); }
.site-nav a.is-active{ color: var(--lime); }
.site-nav a.is-active::after{
  content:''; position:absolute; left: 50%; bottom: -4px; transform: translateX(-50%);
  width: 4px; height: 4px; border-radius: 50%; background: var(--lime);
  box-shadow: 0 0 12px rgba(116,212,20,.9);
}

.header-cta{ display:flex; align-items:center; gap: 1rem; }
.header-phone{ font-size: .875rem; font-weight: 500; color: var(--text-muted); }
.header-phone:hover{ color: var(--lime); }

.nav-toggle{
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  padding: 0;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle-bar{
  display: block;
  width: 20px; height: 2px;
  background: var(--text-strong);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.mobile-nav{
  display:none;
  padding: .5rem 1.25rem 1.25rem;
  border-top: 1px solid var(--border-1);
  background: var(--ink-900);
  flex-direction: column; gap: .25rem;
}
.mobile-nav:not([hidden]){ display:flex; }
.mobile-nav a{
  color: var(--text-muted); font-weight:500; font-size:1rem;
  padding: .75rem .875rem; border-radius: var(--radius-md);
}
.mobile-nav a:hover, .mobile-nav a.is-active{ color: var(--lime); background: var(--surface-1); }

@media (max-width: 1024px){
  .site-nav, .header-phone{ display:none; }
  .nav-toggle{ display: inline-flex; }
  .header-cta .btn-write{ display: none; }
}

/* ===== HERO ===== */
.hero{ position:relative; padding: 4rem 0 5rem; overflow:hidden; }
.hero-grid{ position:absolute; inset:0; opacity:.55; mask-image: radial-gradient(ellipse at top, black 20%, transparent 75%); pointer-events:none; }
.glow-tl{ width: 600px; height: 600px; top:-200px; left:-200px; opacity:.6; }
.glow-br{ width: 500px; height: 500px; right:-150px; bottom:-200px; opacity:.4; }

.hero > .container{ position:relative; z-index:1; }

.breadcrumb{ font-size:.875rem; color:var(--text-faint); margin-bottom:1.5rem; display:flex; align-items:center; gap:.5rem; flex-wrap:wrap;}
.breadcrumb a{ color: var(--text-muted); }
.breadcrumb a:hover{ color: var(--lime); }
.breadcrumb [aria-current]{ color: var(--text-strong); }

.eyebrow{
  display:inline-flex; align-items:center; gap:.5rem;
  font-size:.8125rem; font-weight:600; text-transform: uppercase;
  letter-spacing:.1em; color: var(--lime);
  padding: .375rem .875rem;
  background: var(--lime-soft);
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
}
.eyebrow-dot{ width:6px; height:6px; border-radius:50%; background: var(--lime); box-shadow: 0 0 10px rgba(116,212,20,.8); }

.hero-h1{
  font-size: clamp(2rem, 4.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 0 0 1.5rem;
  color: var(--text-strong);
  max-width: 22ch;
}

.hero-lead{
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  color: var(--text-muted);
  max-width: 64ch;
  margin: 0 0 3rem;
  line-height: 1.55;
}

.hero-stats{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-1);
}
@media (max-width: 900px){ .hero-stats{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 480px){ .hero-stats{ grid-template-columns: 1fr; } }

.stat-item{ display:flex; flex-direction:column; gap:.375rem; }
.stat-num{
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800; line-height: 1;
  color: var(--text-strong);
  letter-spacing: -.02em;
}
.stat-num .plus{ color: var(--lime); font-weight: 700; }
.stat-label{ font-size:.875rem; color: var(--text-faint); line-height: 1.4; }

/* ===== Sections ===== */
.section{ padding: 5rem 0; }
@media (max-width: 768px){ .section{ padding: 3.5rem 0; } }

.section-head{ margin-bottom: 3rem; max-width: 60ch; }
.section-head h2{
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.015em;
  margin: 0 0 1rem;
  color: var(--text-strong);
}
.section-lead{
  font-size: 1.0625rem; color: var(--text-muted); margin: 0; line-height: 1.55;
}

/* ===== FLAGSHIP ===== */
.flagship-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
@media (max-width: 1024px){
  .flagship-grid{ grid-template-columns: 1fr 1fr; }
  .flagship-primary{ grid-column: 1 / -1; }
}
@media (max-width: 700px){
  .flagship-grid{ grid-template-columns: 1fr; }
}

.flagship-card{
  position: relative;
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display:flex; flex-direction:column; gap: 1rem;
  transition: border-color .25s ease, transform .25s ease, background .25s ease;
  overflow: hidden;
}
.flagship-card:hover{
  border-color: var(--border-lime);
  background: var(--surface-2);
  transform: translateY(-2px);
}

.flagship-primary{
  background: linear-gradient(135deg, rgba(116,212,20,0.10) 0%, rgba(116,212,20,0.02) 60%);
  border-color: var(--border-lime);
}
.flagship-primary::before{
  content:''; position:absolute; top:-100px; right:-100px;
  width: 280px; height: 280px; border-radius: 50%;
  background: radial-gradient(circle, rgba(116,212,20,.25), transparent 70%);
  pointer-events:none;
}

.flagship-tag{
  display: inline-flex; align-items:center; gap:.5rem;
  font-size:.8125rem; font-weight: 600;
  color: var(--lime);
  text-transform: none; letter-spacing: 0;
}

.flagship-card h3{
  font-size: 1.3125rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--text-strong);
}
.flagship-primary h3{ font-size: 1.5rem; }

.flagship-card p{
  font-size: .9375rem; color: var(--text-muted);
  line-height: 1.55; margin: 0;
}

.flagship-stats{
  display:flex; flex-direction:column; gap:.5rem;
  padding-top: .75rem;
  border-top: 1px dashed var(--border-1);
  font-size: .875rem; color: var(--text-faint);
}
.flagship-stats strong{ color: var(--text-strong); font-weight: 700; }

.card-link{
  display: inline-flex; align-items:center; gap:.375rem;
  color: var(--lime); font-weight: 600; font-size: .9375rem;
  margin-top: auto;
  padding-top: .5rem;
  transition: gap .2s ease;
}
.card-link:hover{ gap: .75rem; }

/* ===== TAG FILTER ===== */
.tag-filter{
  display:flex; flex-wrap: wrap; gap:.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-1);
}
.tag-chip{
  padding: .5rem 1rem;
  font-size: .875rem; font-weight: 500;
  color: var(--text-muted);
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-pill);
  transition: all .2s ease;
}
.tag-chip:hover{ color: var(--text-strong); background: var(--surface-2); }
.tag-chip.is-active{
  color: var(--ink-900); background: var(--lime); border-color: var(--lime);
  font-weight: 600;
}

/* ===== MATERIALS GRID ===== */
.materials-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
@media (max-width: 1024px){ .materials-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px){ .materials-grid{ grid-template-columns: 1fr; } }

.material-card{
  display:flex; flex-direction:column; gap:.875rem;
  padding: 1.5rem;
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-md);
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.material-card:hover{
  border-color: var(--border-lime);
  transform: translateY(-2px);
  background: var(--surface-2);
}

.mat-type{
  display:inline-flex; align-items:center; gap:.375rem;
  width:fit-content;
  font-size:.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em;
  padding: .25rem .625rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-1);
}
.type-research{ color: #B8F250; border-color: rgba(184,242,80,.35); background: rgba(184,242,80,.08); }
.type-guide{ color: #74D414; border-color: var(--border-lime); background: var(--lime-soft); }
.type-article{ color: #9AC8FF; border-color: rgba(154,200,255,.35); background: rgba(154,200,255,.08); }
.type-webinar{ color: #FFB454; border-color: rgba(255,180,84,.35); background: rgba(255,180,84,.08); }
.type-case{ color: #E8A0FF; border-color: rgba(232,160,255,.35); background: rgba(232,160,255,.08); }
.type-faq{ color: #FFD166; border-color: rgba(255,209,102,.35); background: rgba(255,209,102,.08); }
.type-pillar{ color: #B8F250; border-color: rgba(184,242,80,.45); background: rgba(184,242,80,.12); font-weight: 700; }
.type-review{ color: #7DD3FC; border-color: rgba(125,211,252,.40); background: rgba(125,211,252,.10); }
.type-news{ color: var(--text-muted); }

.material-card h3{
  font-size: 1.0625rem;
  font-weight: 700; line-height: 1.3;
  margin: 0;
  color: var(--text-strong);
  letter-spacing: -.005em;
}
.material-card h3 a{ color: inherit; transition: color .2s ease; }
.material-card h3 a:hover{ color: var(--lime); }
.material-card p{
  font-size: .9375rem; color: var(--text-muted);
  line-height: 1.5; margin: 0;
  flex-grow: 1;
}

.mat-meta{
  display:flex; justify-content: space-between; align-items: center;
  font-size: .8125rem; color: var(--text-dim);
  padding-top: .75rem;
  border-top: 1px solid var(--border-1);
  gap: .75rem; flex-wrap: wrap;
}
.mat-tags{ display:flex; gap:.375rem; flex-wrap: wrap; }
.mat-tags span{
  padding: .125rem .5rem;
  background: var(--surface-2);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font-size: .75rem;
}

.material-card.hidden{ display:none; }

.empty-state{
  text-align: center; padding: 3rem 1rem;
  background: var(--surface-1);
  border: 1px dashed var(--border-1);
  border-radius: var(--radius-lg);
}
.empty-state h3{ color: var(--text-strong); margin: 0 0 .5rem; font-weight: 700; font-size: 1.125rem;}
.empty-state p{ color: var(--text-muted); margin: 0; }

.load-more-wrap{ display:flex; justify-content:center; margin-top: 2.5rem; }
.load-more-wrap[hidden]{ display:none; }

/* ===== SCIENCE CONTEXT ===== */
.science-context{
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}
.context-grid{
  display:grid; grid-template-columns: 380px 1fr; gap: 3rem;
  align-items: start;
}
@media (max-width: 900px){ .context-grid{ grid-template-columns: 1fr; gap: 2rem; } }

.context-text h2{
  font-size: clamp(1.625rem, 2.5vw, 2.125rem);
  font-weight: 800; line-height: 1.15;
  margin: 0 0 1rem;
  color: var(--text-strong);
  letter-spacing: -.015em;
}
.context-text p{
  color: var(--text-muted); font-size: 1.0625rem; line-height: 1.55; margin: 0;
}

.context-cards{
  display:grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
@media (max-width: 540px){ .context-cards{ grid-template-columns: 1fr; } }

.ctx-card{
  padding: 1.25rem 1.375rem;
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-md);
  transition: border-color .2s ease, background .2s ease;
}
.ctx-card:hover{ border-color: var(--border-lime); background: var(--surface-2); }
.ctx-name{
  font-size: 1.25rem; font-weight: 800;
  color: var(--lime); margin-bottom: .5rem;
  letter-spacing: -.01em;
}
.ctx-card p{
  font-size: .9375rem; color: var(--text-muted); line-height: 1.5;
  margin: 0 0 .75rem;
}
.ctx-card p strong{ color: var(--text-strong); font-weight: 700; }
.ctx-link{
  font-size: .8125rem; font-weight: 600; color: var(--text-muted);
  transition: color .2s ease;
}
.ctx-link:hover{ color: var(--lime); }

/* ===== PARTNERS ===== */
.partners-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}
@media (max-width: 900px){ .partners-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 480px){ .partners-grid{ grid-template-columns: 1fr; } }

.partner-card{
  padding: 1.5rem;
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-md);
  display:flex; flex-direction:column; gap: .75rem;
  transition: border-color .2s ease, background .2s ease;
}
.partner-card:hover{ border-color: var(--border-lime); background: var(--surface-2); }
.partner-card img{
  height: 56px; width: auto; max-width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: .5rem;
}
.partner-card h3{
  font-size: 1.0625rem; font-weight: 700;
  margin: 0; color: var(--text-strong);
}
.partner-card p{
  font-size: .875rem; color: var(--text-muted); line-height: 1.5;
  margin: 0;
}

/* ===== FAQ ===== */
.faq-section{
  background: var(--ink-900);
}
.faq-list{ display:flex; flex-direction:column; gap: .75rem; max-width: 880px; }
.faq-item{
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-item[open]{ border-color: var(--border-lime); background: var(--surface-2); }
.faq-item summary{
  list-style: none;
  cursor: pointer;
  padding: 1.125rem 1.25rem;
  font-weight: 600; font-size: 1.0625rem;
  color: var(--text-strong);
  display:flex; align-items:center; justify-content: space-between; gap: 1rem;
  position: relative;
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary::after{
  content:'+';
  display: inline-flex; align-items:center; justify-content:center;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--lime-soft);
  color: var(--lime);
  font-size: 1.25rem; font-weight: 500;
  flex-shrink: 0;
  transition: transform .25s ease;
}
.faq-item[open] summary::after{ content:'−'; transform: rotate(180deg); }
.faq-answer{
  padding: 0 1.25rem 1.25rem;
  color: var(--text-muted);
  font-size: .9375rem; line-height: 1.6;
}
.faq-answer a{ color: var(--lime); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.faq-answer a:hover{ color: var(--lime-light); }

/* ===== CTA Band ===== */
.cta-band{
  position: relative;
  padding: 4.5rem 0;
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 100%);
  border-top: 1px solid var(--border-1);
  overflow: hidden;
  text-align: center;
}
.cta-band .glow{
  width: 600px; height: 200px; left: 50%; top: 50%;
  transform: translate(-50%,-50%);
  opacity: .8;
}
.cta-band > .container{ position: relative; z-index: 1;}
.cta-band h2{
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  font-weight: 800; line-height: 1.15;
  margin: 0 0 .75rem;
  color: var(--text-strong);
}
.cta-band p{
  font-size: 1.0625rem; color: var(--text-muted);
  max-width: 62ch; margin: 0 auto 2rem;
}
.cta-actions{ display:inline-flex; flex-wrap: wrap; gap: .875rem; justify-content: center;}

/* ===== Footer ===== */
.site-footer{
  background: var(--ink-950);
  border-top: 1px solid var(--border-1);
  padding: 3.5rem 0 1.5rem;
}
.footer-top{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 900px){ .footer-top{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px){ .footer-top{ grid-template-columns: 1fr; } }

.footer-brand img{ height: 32px; margin-bottom: 1rem;}
.footer-brand p{
  font-size: .875rem; color: var(--text-faint);
  line-height: 1.55; margin: 0; max-width: 32ch;
}

.footer-col h4{
  font-size: .8125rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .1em; color: var(--text-strong);
  margin: 0 0 1rem;
}
.footer-col ul{ display:flex; flex-direction: column; gap: .625rem; }
.footer-col a{
  font-size: .9375rem; color: var(--text-muted);
  transition: color .2s ease;
}
.footer-col a:hover{ color: var(--lime); }

.footer-bottom{
  display:flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-1);
  font-size: .8125rem; color: var(--text-dim);
}
.footer-bottom a{ color: var(--text-muted); }
.footer-bottom a:hover{ color: var(--lime); }

/* ===== Article Page (research / guides / articles / cases) ===== */
.article-page{
  background: var(--ink-900);
}
.article-hero{
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-1);
}
.article-hero .glow{
  width: 600px; height: 600px; top:-200px; right:-200px; opacity:.4;
}
.article-hero > .container{ position: relative; z-index:1; max-width: 820px;}
.article-hero h1{
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 800; line-height: 1.1;
  margin: 0 0 1.25rem;
  color: var(--text-strong);
  letter-spacing: -.02em;
}
.article-meta{
  display:flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  font-size: .875rem; color: var(--text-faint);
  margin-bottom: 1.5rem;
}
.article-meta .dot{ width:4px; height:4px; border-radius:50%; background: var(--text-dim);}
.article-author{ color: var(--text-strong); font-weight: 600; }

.answer-first{
  background: linear-gradient(135deg, rgba(116,212,20,.08), rgba(116,212,20,.02));
  border-left: 3px solid var(--lime);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  font-size: 1.0625rem; color: var(--text);
  line-height: 1.6;
}
.answer-first strong{ color: var(--text-strong); }

.article-body{
  padding: 1rem 0 4rem;
}
.article-body > .container{ max-width: 820px;}
.article-body p, .article-body ul, .article-body ol{
  font-size: 1.0625rem; line-height: 1.7;
  color: var(--text); margin: 0 0 1.25rem;
}
.article-body ul, .article-body ol{ padding-left: 1.5rem;}
.article-body ul li{ list-style: disc; margin-bottom: .5rem;}
.article-body ol li{ list-style: decimal; margin-bottom: .5rem;}
.article-body h2{
  font-size: clamp(1.375rem, 2.4vw, 1.75rem); font-weight: 800;
  line-height: 1.2; color: var(--text-strong);
  margin: 2.5rem 0 1rem; letter-spacing: -.01em;
}
.article-body h3{
  font-size: 1.25rem; font-weight: 700; line-height: 1.3;
  color: var(--text-strong); margin: 2rem 0 .75rem;
}
.article-body blockquote{
  border-left: 3px solid var(--border-lime);
  padding: .75rem 1.25rem;
  color: var(--text-muted);
  margin: 1.5rem 0;
  font-style: italic;
}
.article-body code, .article-body kbd{
  background: var(--surface-2);
  padding: .125rem .375rem;
  border-radius: 4px; font-size: .9em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.article-body a{ color: var(--lime); text-decoration: underline; text-underline-offset: 3px;}
.article-body a:hover{ color: var(--lime-light); }

.callout{
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.callout h4{
  font-size: .8125rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--lime); margin: 0 0 .5rem;
}
.callout p{ margin: 0; font-size: 1rem; color: var(--text); line-height: 1.55;}

.product-link-card{
  display:flex; gap: 1rem; align-items: center;
  background: linear-gradient(135deg, rgba(116,212,20,.10), rgba(116,212,20,.02));
  border: 1px solid var(--border-lime);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.product-link-card > div{ flex-grow: 1;}
.product-link-card .ctx-name{ margin: 0;}
.product-link-card p{ margin: .25rem 0 0; font-size: .9375rem; color: var(--text-muted); }
.product-link-card .btn-primary{ flex-shrink: 0; }

.stats-row{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  margin: 2rem 0;
}
@media (max-width: 600px){ .stats-row{ grid-template-columns: 1fr; }}
.stats-row .stat-box{
  padding: 1.25rem 1.5rem;
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-md);
}
.stat-box .num{
  font-size: 1.75rem; font-weight: 800;
  color: var(--lime); line-height: 1;
  letter-spacing: -.02em;
}
.stat-box .lbl{
  font-size: .875rem; color: var(--text-muted);
  margin-top: .375rem; line-height: 1.4;
}

.related-section{
  border-top: 1px solid var(--border-1);
  padding: 3rem 0 4rem;
}
.related-section > .container{ max-width: 820px;}
.related-section h2{
  font-size: 1.5rem; font-weight: 700;
  margin: 0 0 1.5rem; color: var(--text-strong);
}
.related-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
@media (max-width: 600px){ .related-grid{ grid-template-columns: 1fr; }}

/* ===== PERSONA TAGS ===== */
.persona-tags{
  display:flex; gap:.5rem; flex-wrap: wrap;
  margin: 0 0 1.25rem;
}
.persona-tag{
  display:inline-flex; align-items:center; gap:.375rem;
  font-size: .75rem; font-weight: 600;
  padding: .25rem .625rem;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  color: var(--text-muted);
  letter-spacing: .01em;
}
.persona-tag::before{
  content:''; width:6px; height:6px; border-radius:50%;
  background: var(--lime);
  box-shadow: 0 0 8px rgba(116,212,20,.6);
}
.persona-tag[data-persona="b2bvuzcdo"]::before{ background:#74D414; }
.persona-tag[data-persona="b2bmetodistvuz"]::before{ background:#9AC8FF; box-shadow:0 0 8px rgba(154,200,255,.6); }
.persona-tag[data-persona="b2bitcompany270"]::before{ background:#FFB454; box-shadow:0 0 8px rgba(255,180,84,.6); }
.persona-tag[data-persona="b2b1cspecialist"]::before{ background:#E8A0FF; box-shadow:0 0 8px rgba(232,160,255,.6); }
.persona-tag[data-persona="b2bhrd"]::before{ background:#B8F250; }

/* ===== TOC ===== */
.article-toc{
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.article-toc-title{
  font-size: .8125rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--text-muted);
  margin: 0 0 .75rem;
}
.article-toc ol{
  margin: 0; padding-left: 1.25rem;
  font-size: .9375rem; line-height: 1.7;
  color: var(--text);
}
.article-toc ol li{ list-style: decimal; margin: 0; }
.article-toc a{ color: var(--text); text-decoration: none; border-bottom: 1px dashed transparent; }
.article-toc a:hover{ color: var(--lime); border-bottom-color: var(--border-lime); }

/* ===== SATELLITE LINK ===== */
.satellite-link{
  display:inline-flex; align-items:center; gap:.375rem;
  padding: .125rem .5rem;
  border-radius: var(--radius-pill);
  background: rgba(116,212,20,.06);
  border: 1px solid rgba(116,212,20,.20);
  color: var(--lime) !important;
  text-decoration: none !important;
  font-weight: 600; font-size: .9em;
}
.satellite-link:hover{ background: rgba(116,212,20,.12); border-color: var(--border-lime); }
.satellite-link::before{
  content:'↗'; font-size: .875em; opacity: .8;
}

/* ===== SOURCES BLOCK ===== */
.article-sources{
  margin: 2.5rem 0 1rem;
  padding: 1.5rem 1.75rem;
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-md);
}
.article-sources h2{
  font-size: 1.125rem !important;
  margin: 0 0 .75rem !important;
  color: var(--text-strong);
}
.article-sources ol{
  margin: 0; padding-left: 1.25rem;
  font-size: .9375rem; line-height: 1.6;
  color: var(--text-muted);
}
.article-sources ol li{ margin-bottom: .375rem; list-style: decimal; }
.article-sources a{ color: var(--lime); }

/* ===== INLINE FAQ (article) ===== */
.article-faq{
  margin: 2.5rem 0 1rem;
}
.article-faq > h2{
  margin-bottom: 1rem !important;
}
.article-faq .faq-list{ max-width: none; }

/* ===== PERSONA CTA (dynamic by data-persona) ===== */
.persona-cta{
  margin: 2.5rem 0;
  padding: 1.75rem 2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(116,212,20,.10), rgba(116,212,20,.02));
  border: 1px solid var(--border-lime);
  display:flex; gap: 1.5rem; align-items: center; flex-wrap: wrap;
}
.persona-cta-body{ flex: 1 1 320px; }
.persona-cta-eyebrow{
  font-size: .75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--lime); margin: 0 0 .375rem;
}
.persona-cta h3{
  font-size: 1.25rem; font-weight: 800;
  margin: 0 0 .375rem; color: var(--text-strong);
  line-height: 1.25;
}
.persona-cta p{
  font-size: .9375rem !important; color: var(--text-muted);
  margin: 0 !important; line-height: 1.5 !important;
}
.persona-cta .btn-primary{ flex-shrink: 0; }

/* ===== UPDATED MATERIAL CARDS (hub) ===== */
.material-card .mat-hook{
  display:flex; align-items: baseline; gap: .5rem;
  margin-top: -.25rem;
}
.material-card .mat-hook-num{
  font-size: 1.5rem; font-weight: 800;
  color: var(--lime); line-height: 1;
  letter-spacing: -.02em;
}
.material-card .mat-hook-lbl{
  font-size: .8125rem; color: var(--text-muted);
  line-height: 1.3;
}
.material-card .mat-personas{
  display:flex; gap:.375rem; flex-wrap: wrap;
  margin-top: -.25rem;
}

/* selection */
::selection{ background: var(--lime); color: var(--ink-900); }

/* ============ ARTICLE PAGES (pack-built) ============ */
.article-main{
  padding: 4rem 0 6rem;
  background: var(--ink-900);
}
.article-body{
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.article-body.article-glossary{ max-width: 720px; }

.article-header{
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-1);
}
.breadcrumbs{
  font-size: .8125rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.breadcrumbs a{ color: var(--text-muted); text-decoration: none; }
.breadcrumbs a:hover{ color: var(--text-strong); }

.article-h1{
  font-size: clamp(1.875rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 1rem 0 1rem;
  color: var(--text-strong);
  font-weight: 700;
}
.article-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  font-size: .875rem;
  color: var(--text-muted);
}
.article-author a{ color: var(--text-strong); text-decoration: none; border-bottom: 1px dashed currentColor; }
.article-reviewer{ font-size: .875rem; color: var(--text-muted); margin-top: .5rem; }

/* TOC */
.article-toc{
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  padding: 1.5rem 1.75rem;
  margin: 0 0 3rem;
}
.article-toc .toc-title{
  font-size: .8125rem !important;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin: 0 0 1rem !important;
  font-weight: 600;
}
.toc-list{
  list-style: decimal inside;
  padding: 0;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.7;
  columns: 2;
  column-gap: 2rem;
}
@media (max-width: 720px){ .toc-list{ columns: 1; } }
.toc-list a{
  color: var(--text-strong);
  text-decoration: none;
}
.toc-list a:hover{ color: var(--lime); }

/* Content typography */
.article-content{
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-strong);
}
.article-content h2{
  font-size: 1.625rem;
  margin: 3rem 0 1.25rem;
  letter-spacing: -.01em;
  color: var(--text-strong);
  scroll-margin-top: 4rem;
}
.article-content h3{
  font-size: 1.25rem;
  margin: 2.25rem 0 .75rem;
  color: var(--text-strong);
}
.article-content p{ margin: 0 0 1.25rem; }
.article-content ul, .article-content ol{ padding-left: 1.5rem; margin: 0 0 1.5rem; }
.article-content li{ margin: .25rem 0; }
.article-content blockquote{
  border-left: 3px solid var(--lime);
  background: var(--surface-1);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: 0 12px 12px 0;
  font-size: 1rem;
  color: var(--text-strong);
}
.article-content blockquote strong{ color: var(--lime); }
.article-content a{
  color: var(--text-strong);
  text-decoration: underline;
  text-decoration-color: var(--lime);
  text-underline-offset: 3px;
}
.article-content a:hover{ color: var(--lime); }
.article-content table{
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .9375rem;
  background: var(--surface-1);
  border-radius: 12px;
  overflow: hidden;
}
.article-content th, .article-content td{
  padding: .625rem .875rem;
  text-align: left;
  border-bottom: 1px solid var(--border-1);
  vertical-align: top;
}
.article-content th{
  background: var(--ink-900);
  color: var(--text-strong);
  font-weight: 600;
  font-size: .8125rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.article-content code{
  background: var(--surface-1);
  padding: .125rem .375rem;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: .875em;
}
.article-content hr{
  border: 0;
  height: 1px;
  background: var(--border-1);
  margin: 3rem 0;
}

/* Lead magnet inline */
.lead-magnet{
  background: linear-gradient(135deg, rgba(189,255,72,.08), rgba(189,255,72,.02));
  border: 1px solid rgba(189,255,72,.25);
  border-radius: 18px;
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  display: grid;
  gap: 1rem;
}
.lead-magnet-title{
  font-size: 1.1875rem;
  margin: 0;
  line-height: 1.3;
  color: var(--text-strong);
}
.lead-magnet-sub{
  font-size: .9375rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}
.lead-magnet-form{
  display: flex;
  gap: .625rem;
  flex-wrap: wrap;
}
.lead-magnet-form input[type="email"]{
  flex: 1 1 220px;
  min-width: 0;
  padding: .75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-1);
  background: var(--ink-900);
  color: var(--text-strong);
  font-size: .9375rem;
  font-family: inherit;
}
.lead-magnet-form input[type="email"]:focus{
  outline: 2px solid var(--lime);
  outline-offset: 0;
}
.lead-magnet-form .btn-primary{
  padding: .75rem 1.25rem;
  border-radius: 10px;
  border: 0;
  background: var(--lime);
  color: var(--ink-900);
  font-weight: 700;
  font-size: .9375rem;
  cursor: pointer;
  font-family: inherit;
}
.lead-magnet-form .btn-primary:hover{ background: #aaef38; }
.lead-magnet-fineprint{
  font-size: .75rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* FAQ accordion */
.article-faq{
  margin: 3.5rem 0 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-1);
}
.article-faq h2{
  font-size: 1.625rem;
  margin: 0 0 1.5rem;
  color: var(--text-strong);
}
.faq-item{
  border-bottom: 1px solid var(--border-1);
  padding: .25rem 0;
}
.faq-item summary{
  cursor: pointer;
  padding: 1rem 2rem 1rem 0;
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--text-strong);
  position: relative;
  list-style: none;
  line-height: 1.4;
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary::after{
  content: "+";
  position: absolute;
  right: .5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--lime);
  transition: transform .2s;
}
.faq-item[open] summary::after{ content: "−"; }
.faq-answer{
  padding: 0 0 1.25rem;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--text-muted);
}
.faq-answer p:first-child{ margin-top: 0; }
.faq-answer a{ color: var(--text-strong); text-decoration: underline; text-decoration-color: var(--lime); }

/* Related */
.article-related{
  margin: 3rem 0 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-1);
}
.article-related h2{
  font-size: 1.25rem;
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-muted);
}
.related-list{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: .625rem;
}
.related-list a{
  color: var(--text-strong);
  text-decoration: none;
  border-bottom: 1px dashed var(--border-1);
  padding-bottom: .375rem;
  display: inline-block;
}
.related-list a:hover{ color: var(--lime); }

/* Persona-tag in article header */
.article-header .persona-tag{
  margin-bottom: .25rem;
}

/* ============ GLOSSARY INDEX ============ */
.glossary-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin: 2rem 0 4rem;
}
.glossary-card{
  display: block;
  padding: 1.25rem 1.25rem 1.5rem;
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: 14px;
  text-decoration: none;
  transition: border-color .15s, transform .15s;
}
.glossary-card:hover{
  border-color: var(--border-lime);
  transform: translateY(-2px);
}
.glossary-card-term{
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--text-strong);
  margin-bottom: .5rem;
  line-height: 1.35;
}
.glossary-card-desc{
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============ SITE HEADER (built pages) ============ */
.site-header .container.nav-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
}
.site-header .logo{
  display: flex;
  align-items: baseline;
  gap: .4rem;
  text-decoration: none;
  color: var(--text-strong);
  font-weight: 800;
  letter-spacing: -.02em;
}
.site-header .logo-mark{
  background: var(--lime);
  color: var(--ink-900);
  padding: .25rem .5rem;
  border-radius: 6px;
  font-size: 1rem;
}
.site-header .logo-mark-lite{ color: var(--text-strong); font-size: 1rem; font-weight: 700; }
.primary-nav{ display: flex; gap: 1.25rem; flex-wrap: wrap; }
.primary-nav a{
  color: var(--text-muted);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
}
.primary-nav a:hover{ color: var(--text-strong); }
@media (max-width: 720px){
  .primary-nav{ gap: .75rem; font-size: .8125rem; }
  .primary-nav a{ font-size: .8125rem; }
}

/* ============ SITE FOOTER (built pages) ============ */
.site-footer{
  background: var(--ink-900);
  border-top: 1px solid var(--border-1);
  padding: 3rem 1.25rem 2rem;
  margin-top: 4rem;
}
.site-footer .container{ max-width: 1200px; margin: 0 auto; }
.footer-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-grid strong{ color: var(--text-strong); display: block; margin-bottom: .5rem; }
.footer-grid p, .footer-grid ul{ margin: 0; color: var(--text-muted); font-size: .875rem; line-height: 1.6; }
.footer-grid ul{ list-style: none; padding: 0; }
.footer-grid ul li{ margin: .25rem 0; }
.footer-grid a{ color: var(--text-muted); text-decoration: none; }
.footer-grid a:hover{ color: var(--lime); }
.footer-grid .muted{ font-size: .75rem; opacity: .7; margin-top: .5rem; }
.footer-bottom{
  border-top: 1px solid var(--border-1);
  padding-top: 1rem;
  font-size: .75rem;
  color: var(--text-muted);
  opacity: .7;
}

.team-materials{ margin-top: 3rem; }
.team-materials h2{ font-size: 1.25rem; margin: 0 0 1rem; }