/* ─────────────────────────────────────────────────────────────
   Copywriting Mesterkurzus — Expert Flow v3-dark
   Brand: Inter + Instrument Serif + JetBrains Mono
   Cell-bordered grid · grain · lavender accent
   ───────────────────────────────────────────────────────────── */

/* Fonts loaded via build.py head template (Instrument Sans + Serif + JetBrains Mono) */

:root {
  color-scheme: dark;

  /* Map brand.css tokens → legacy site tokens */
  --bg: var(--color-background, #f5f4f1);
  --bg-elev: #faf9f7;
  --bg-elev-2: #faf9f7;
  --card: #faf9f7;
  --card-hover: #f1efe9;

  --border: var(--color-border, rgba(21,21,26,0.08));
  --border-strong: var(--color-border-strong, rgba(21,21,26,0.14));
  --border-cell: var(--color-border-strong, rgba(21,21,26,0.14));

  --text: var(--color-foreground, #15151a);
  /* Kontraszt-pótlás (P2): 0.65 → 0.75, az olvashatóság miatt */
  --text-muted: rgba(21,21,26,0.78);
  --text-dim: rgba(21,21,26,0.40);

  --accent: var(--color-accent-violet, #15151a);
  --accent-soft: rgba(21, 21, 26, 0.10);
  --accent-strong: #15151a;
  --accent-glow: rgba(21, 21, 26, 0.18);

  /* Font tokens inherited from brand.css — do not re-declare */
  --font-serif: "Geist", Arial, system-ui, sans-serif;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --container: 1200px;
  --container-prose: 760px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-feature-settings: 'cv11', 'ss01';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.011em;
  line-height: 1.7;
}

/* Grain texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.6'/></svg>");
}
body > * { position: relative; z-index: 1; }

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: inherit;
}

img, svg { display: block; max-width: 100%; }

/* ─────────────────────────────────────────────────────────────
   Brand bar + nav
   ───────────────────────────────────────────────────────────── */
.brand-bar {
  position: fixed;
  top: 22px;
  left: 28px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 500;
}
.brand-bar .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  animation: pulse 2.4s ease-in-out infinite;
}
.brand-bar a {
  color: var(--text-muted);
  transition: color 0.18s var(--ease-out);
}
.brand-bar a:hover { color: var(--text); }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

.nav-links {
  position: fixed;
  top: 22px;
  right: 28px;
  z-index: 50;
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--text-muted);
}
.nav-links a {
  transition: color 0.18s var(--ease-out);
}
.nav-links a:hover { color: var(--text); }

/* ─────────────────────────────────────────────────────────────
   Hero (homepage)
   ───────────────────────────────────────────────────────────── */
header.hero {
  padding: 160px 24px 100px;
  text-align: center;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 28px;
  padding: 6px 14px;
  background: var(--accent-soft);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
}
.eyebrow .pulse-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

header.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 5.2vw, 64px);
  font-weight: 400;
  margin: 0 0 24px;
  letter-spacing: -0.025em;
  line-height: 1.02;
  color: var(--text);
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}
header.hero h1 em {
  font-style: normal;
  color: var(--accent);
  font-weight: 400;
}

header.hero .lede {
  font-size: 19px;
  color: var(--text-muted);
  margin: 0 auto;
  max-width: 700px;
  line-height: 1.55;
}

.stats {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 52px;
  flex-wrap: wrap;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 18px 26px;
  border-radius: 14px;
  text-align: left;
  min-width: 120px;
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}
.stat:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}
.stat b {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  display: block;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 4px;
}
.stat span {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* Hero CTAs */
.hero-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 48px;
  flex-wrap: wrap;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  transition: background 0.22s var(--ease-out), border-color 0.22s var(--ease-out), transform 0.22s var(--ease-out);
  font-family: inherit;
}

.cta-primary {
  background: var(--accent-soft);
  border-color: rgba(21, 21, 26, 0.16);
  color: var(--accent-strong);
}
.cta-primary:hover {
  background: rgba(21, 21, 26, 0.10);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.cta-secondary {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-muted);
}
.cta-secondary:hover {
  border-color: var(--text-dim);
  color: var(--text);
  transform: translateY(-1px);
}


/* ─────────────────────────────────────────────────────────────
   Container + sections
   ───────────────────────────────────────────────────────────── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-prose { max-width: var(--container-prose); margin: 0 auto; padding: 0 24px; }

section { padding: 96px 0; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-header .eyebrow { margin-bottom: 16px; }
.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(34px, 4.8vw, 56px);
  font-weight: 400;
  margin: 0 0 16px;
  letter-spacing: -0.022em;
  line-height: 1.1;
}
.section-header h2 em { font-style: normal; color: var(--accent); }
.section-header p {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.55;
}

.section-header .start-here {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border-cell);
  border-radius: 12px;
  background: var(--bg-elev);
  font-size: 0.95rem;
  color: var(--text-muted);
  text-align: left;
  max-width: 760px;
}
.section-header .start-here strong { color: var(--text); }
.section-header .start-here a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border-strong);
}
.section-header .start-here a:hover { text-decoration-color: var(--accent); }

/* ─────────────────────────────────────────────────────────────
   Category groups
   ───────────────────────────────────────────────────────────── */
.cat-group { margin-bottom: 48px; }
.cat-group:last-child { margin-bottom: 0; }
.cat-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 4px 0 22px;
  margin-bottom: 0;
}
.cat-num {
  font-family: var(--font-serif);
  font-style: normal;
  font-size: 30px;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}
.cat-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.015em;
  color: var(--text);
}
.cat-desc {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  max-width: 50%;
  text-align: right;
}

/* ─────────────────────────────────────────────────────────────
   Lesson cards grid
   ───────────────────────────────────────────────────────────── */
.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.lesson-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.25s var(--ease-out), transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
  position: relative;
  min-height: 210px;
  box-shadow: 0 1px 2px rgba(21, 21, 26, 0.03);
}
.lesson-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: 0 18px 44px -26px rgba(21, 21, 26, 0.24);
}
.lesson-card .lesson-tag {
  font-size: 12px;
  letter-spacing: 0.005em;
  color: var(--accent);
  font-family: var(--font-sans);
  font-weight: 500;
}
.lesson-card h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.018em;
  line-height: 1.18;
  color: var(--text);
}
.lesson-card h3 em { font-style: normal; color: var(--accent); }
.lesson-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}
.lesson-card .lesson-meta {
  margin-top: auto;
  padding-top: 12px;
  display: flex;
  gap: 14px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.lesson-card .lesson-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.lesson-card .lesson-meta span[hidden] { display: none; }

/* ─────────────────────────────────────────────────────────────
   Lesson page — article
   ───────────────────────────────────────────────────────────── */
.lesson-header {
  padding: 140px 24px 60px;
  position: relative;
  overflow: hidden;
}
.lesson-header > * { position: relative; }
.lesson-header .breadcrumb {
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 22px;
}
.lesson-header .breadcrumb a {
  color: var(--text-muted);
  transition: color 0.18s var(--ease-out);
}
.lesson-header .breadcrumb a:hover { color: var(--accent); }
.lesson-header .breadcrumb .sep {
  margin: 0 10px;
  color: var(--border-strong);
}
.lesson-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 400;
  margin: 0 auto;
  letter-spacing: -0.024em;
  line-height: 1.06;
  text-align: center;
  max-width: 920px;
  color: var(--text);
}
.lesson-header h1 em { font-style: normal; color: var(--accent); }
.lesson-header .lesson-sub {
  text-align: center;
  font-size: 18px;
  color: var(--text-muted);
  max-width: 640px;
  margin: 24px auto 0;
  line-height: 1.55;
}
.lesson-header .lesson-pill-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.lesson-pill {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 6px 14px;
  border: 1px solid var(--border-cell);
  border-radius: var(--radius-pill);
  background: var(--card);
}
.lesson-pill.accent {
  color: var(--accent);
  border-color: rgba(21, 21, 26, 0.16);
  background: var(--accent-soft);
}

.lesson-content {
  max-width: 68ch;
  margin: 0 auto;
  padding: 64px 24px 96px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
}
.lesson-content > p:first-child::first-letter {
  font-family: var(--font-serif);
  font-style: normal;
  font-size: 64px;
  color: var(--accent);
  float: left;
  line-height: 0.92;
  margin-right: 10px;
  margin-top: 6px;
  margin-bottom: -6px;
}
.lesson-content p {
  margin: 0 0 1.3em;
  color: var(--text);
}
.lesson-content p strong { color: inherit; font-weight: 600; }
.lesson-content p em { color: var(--accent); font-style: normal; }
.lesson-content a {
  color: var(--accent);
  border-bottom: 1px solid rgba(21, 21, 26, 0.16);
  transition: color 0.18s, border-color 0.18s;
}
.lesson-content a:hover {
  color: var(--accent-strong);
  border-color: var(--accent);
}

.lesson-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 3.5rem 0 18px;
  color: var(--text);
  scroll-margin-top: 80px;
}
.lesson-content h2 em { font-style: normal; color: var(--accent); }

.lesson-content h3 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 400;
  letter-spacing: -0.014em;
  line-height: 1.2;
  margin: 44px 0 14px;
  color: var(--accent-strong);
  scroll-margin-top: 80px;
}

.lesson-content h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 30px 0 10px;
  letter-spacing: -0.008em;
  color: var(--text);
  text-transform: none;
}

.lesson-content ul, .lesson-content ol {
  margin: 0 0 1.5em;
  padding-left: 26px;
}
.lesson-content ul li, .lesson-content ol li {
  margin-bottom: 0.6em;
  color: var(--text);
}
.lesson-content ul li::marker { color: var(--accent); }
.lesson-content ol li::marker { color: var(--accent); font-family: var(--font-serif); font-style: normal; }

.lesson-content blockquote {
  margin: 28px 0;
  padding: 22px 28px;
  border-left: 3px solid var(--accent);
  background: var(--bg-elev);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-serif);
  font-size: 21px;
  font-style: normal;
  line-height: 1.5;
  color: var(--text);
}

.lesson-content pre, .lesson-content code {
  font-family: var(--font-mono);
}
.lesson-content code {
  font-size: 14px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 1px 7px;
  border-radius: 5px;
  color: var(--accent-strong);
}
.lesson-content pre {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 26px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.65;
  margin: 24px 0;
  color: var(--text);
}
.lesson-content pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.lesson-content hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 56px 0;
}

.lesson-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0 32px;
  font-size: 14.5px;
}
.lesson-content th, .lesson-content td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-cell);
  vertical-align: top;
}
.lesson-content th {
  font-weight: 500;
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--bg-elev);
}

/* Callout boxes inside lesson */
.lesson-content .callout {
  background: rgba(21, 21, 26, 0.035);
  border: 1px solid var(--border-cell);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  margin: 28px 0;
}
.lesson-content .callout-accent {
  border-left-color: var(--accent-strong);
  border-color: rgba(21, 21, 26, 0.12);
  background: var(--accent-soft);
}

/* Bottom nav (prev/next) */
.lesson-nav {
  max-width: 68ch;
  margin: 0 auto;
  padding: 0 24px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.lesson-nav a {
  background: var(--card);
  border: 1px solid var(--border-cell);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
.lesson-nav a:hover {
  background: var(--card-hover);
  border-color: rgba(21, 21, 26, 0.16);
  transform: translateY(-1px);
}
.lesson-nav .nav-label {
  font-size: 12px;
  letter-spacing: 0.005em;
  color: var(--text-dim);
  font-family: var(--font-sans);
  font-weight: 500;
}
.lesson-nav .nav-title {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.2;
  color: var(--text);
  letter-spacing: -0.012em;
}
.lesson-nav .nav-title em { font-style: normal; color: var(--accent); }
.lesson-nav a.next { text-align: right; }

/* ─────────────────────────────────────────────────────────────
   Footer
   ───────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 56px 24px 40px;
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
}
footer .footer-brand {
  font-family: var(--font-serif);
  font-size: 22px;
  font-style: normal;
  color: var(--text);
  letter-spacing: -0.014em;
}
footer .footer-meta {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
}
footer .footer-links {
  margin-top: 24px;
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 13px;
}
footer .footer-links a {
  color: var(--text-muted);
  transition: color 0.18s var(--ease-out);
}
footer .footer-links a:hover { color: var(--accent); }

/* ─────────────────────────────────────────────────────────────
   Reveal animations
   ───────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .brand-bar .dot, .eyebrow .pulse-dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ─────────────────────────────────────────────────────────────
   Responsive
   ───────────────────────────────────────────────────────────── */
@media (max-width: 760px) {
  /* Mobil nav: ne tüntessük el — legyen kompakt scroll-bar a brand-bar alatt */
  .nav-links {
    position: fixed;
    top: 44px;
    right: 0;
    left: 0;
    padding: 6px 16px 8px;
    gap: 14px;
    font-size: 11.5px;
    letter-spacing: 0.04em;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    background: linear-gradient(to bottom, rgba(7,7,9,0.95), rgba(7,7,9,0.6) 80%, transparent);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { flex-shrink: 0; }
  .brand-bar { font-size: 10px; top: 16px; left: 18px; }
  /* Library toolbar mobilon függőlegesen jobban viselkedik */
  .library-toolbar { padding: 14px 14px; gap: 10px 12px; }
  .library-search { flex: 1 1 100%; }
  .library-filter { flex-wrap: wrap; }
  /* A beáramló nav-bar ne fedje a tartalmat: top padding +12 */
  header.hero { padding: 120px 18px 72px; }
  section { padding: 72px 0; }
  .container, .container-prose { padding: 0 18px; }
  .lesson-header { padding: 122px 18px 52px; }
  .lesson-content { padding: 48px 18px 72px; font-size: 16px; }
  .lesson-content blockquote { font-size: 18px; padding: 18px 22px; }
  .stat { padding: 14px 18px; min-width: 100px; }
  .stat b { font-size: 26px; }
  .cat-head { flex-direction: column; align-items: flex-start; gap: 6px; }
  .cat-desc { margin-left: 0; text-align: left; max-width: 100%; }
  .lesson-nav { grid-template-columns: 1fr; }
  .lesson-nav a.next { text-align: left; }
}


/* ─────────────────────────────────────────────────────────────
   Library toolbar: search + level filter + count + progress
   ───────────────────────────────────────────────────────────── */
.library-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  padding: 18px 22px;
  border: 1px solid var(--border-cell);
  border-radius: var(--radius);
  background: var(--bg-elev);
  margin: 0 0 36px;
}
.library-search {
  flex: 1 1 320px;
  min-width: 220px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border-cell);
  border-radius: var(--radius-pill);
  background: var(--card);
  transition: border-color 0.18s var(--ease-out);
}
.library-search:focus-within {
  border-color: rgba(21, 21, 26, 0.35);
  background: var(--card-hover);
}
.library-search-icon {
  font-family: var(--font-sans);
  color: var(--accent);
  font-size: 15px;
  line-height: 1;
}
.library-search input[type="search"] {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 14.5px;
  letter-spacing: -0.005em;
  padding: 2px 0;
}
.library-search input[type="search"]::placeholder {
  color: var(--text-dim);
}
.library-search input[type="search"]::-webkit-search-cancel-button {
  filter: invert(0.7);
  cursor: pointer;
}

.library-filter {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--border-cell);
  border-radius: var(--radius-pill);
  background: var(--card);
}
.library-chip {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: -0.005em;
  color: var(--text-muted);
  font-weight: 450;
  padding: 12px 16px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  border: 0;
  background: transparent;
  cursor: pointer;
  transition: background 0.18s var(--ease-out), color 0.18s var(--ease-out);
}
.library-chip:hover { color: var(--text); }
.library-chip.is-active {
  background: var(--accent-soft);
  color: var(--accent);
}

.library-count,
.library-progress {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0.005em;
  color: var(--text-dim);
  font-weight: 450;
}
.library-progress {
  color: var(--accent);
}

.library-empty {
  margin: 24px 0 36px;
  padding: 28px 24px;
  border: 1px dashed var(--border-cell);
  border-radius: var(--radius);
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
  font-style: normal;
}

/* "Olvasva" pill a kártyán */
.lesson-card .lesson-progress {
  color: var(--accent);
  font-weight: 500;
}
.lesson-card.is-read {
  background: var(--bg-elev);
  border-color: var(--border-strong);
}
.lesson-card.is-read .lesson-tag::before {
  content: "✓ ";
  color: var(--accent);
}

/* ─────────────────────────────────────────────────────────────
   Lesson page: feedback CTA blokk (article alatt)
   ───────────────────────────────────────────────────────────── */
.lesson-feedback {
  max-width: 68ch;
  margin: 0 auto;
  padding: 36px 24px 12px;
  text-align: center;
}
.lesson-feedback p {
  margin: 0 0 18px;
  color: var(--text-muted);
  font-size: 15.5px;
  line-height: 1.55;
  font-family: var(--font-serif);
  font-style: normal;
}
.cta-feedback {
  border: 1px solid rgba(21, 21, 26, 0.16);
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.cta-feedback:hover {
  background: rgba(21, 21, 26, 0.10);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* CTA touch-state (P2) */
.cta:active {
  transform: translateY(0);
  filter: brightness(0.95);
}

/* ─────────────────────────────────────────────────────────────
   Brand integration patches — hero-stage inside hero/lesson
   ───────────────────────────────────────────────────────────── */
header.hero .hero-stage {
  padding: 0;
  overflow: visible;
  text-align: center;
}
header.hero .hero-stage .eyebrow {
  margin-bottom: 28px;
}
.lesson-header .hero-stage {
  padding: 0;
  overflow: visible;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}
.lesson-header .hero-stage .eyebrow {
  margin-bottom: 1rem;
}

/* font-sans fallback now uses Instrument Sans from brand.css */
html, body {
  font-family: var(--font-sans, 'Instrument Sans', system-ui, sans-serif);
}

/* ─────────────────────────────────────────────────────────────
   Round 2 — Category chip filter (Weboldal/Onepager/Landoló/Funnel)
   ───────────────────────────────────────────────────────────── */
.library-filter-cat {
  flex-wrap: wrap;
}
.library-chip-cat {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: -0.005em;
  color: var(--text-muted);
  font-weight: 450;
  padding: 12px 14px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  border: 0;
  background: transparent;
  cursor: pointer;
  transition: background 0.18s var(--ease-out), color 0.18s var(--ease-out);
}
.library-chip-cat:hover { color: var(--text); }
.library-chip-cat.is-active {
  background: var(--accent-soft);
  color: var(--accent);
}

@media (max-width: 480px) {
  .library-filter-cat { gap: 4px; padding: 3px; }
  .library-chip-cat { padding: 6px 10px; font-size: 10.5px; letter-spacing: 0.1em; }
  .library-chip { padding: 6px 12px; font-size: 10.5px; letter-spacing: 0.1em; }
}
@media (max-width: 360px) {
  .library-filter, .library-filter-cat { flex: 1 1 100%; justify-content: flex-start; }
  .library-chip-cat, .library-chip { font-size: 11px; padding: 6px 9px; }
}

/* ─────────────────────────────────────────────────────────────
   Round 2 — Expert Flow Ökoszisztéma footer block
   ───────────────────────────────────────────────────────────── */
.ecosystem-footer {
  border-top: 1px solid var(--border, #e6e4e0);
  padding: 72px 24px 48px;
  max-width: 1120px;
  margin: 0 auto;
}
.ecosystem-eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent, #15151a);
  font-weight: 500;
  margin: 0 0 10px;
}
.ecosystem-footer h3 {
  font-family: var(--font-display, 'Instrument Serif', serif);
  font-style: normal;
  font-size: clamp(1.6rem, 3.5vw, 2rem);
  margin: 0 0 28px;
  color: var(--text);
  letter-spacing: -0.015em;
  font-weight: 400;
}
.ecosystem-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}
.ecosystem-grid a {
  display: block;
  padding: 14px 18px;
  border: 1px solid var(--border-cell);
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  background: var(--card);
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}
.ecosystem-grid a:hover {
  border-color: var(--accent);
  background: var(--card-hover);
  transform: translateY(-1px);
}

@media (max-width: 480px) {
  .ecosystem-footer { padding: 56px 18px 36px; }
}

/* ─────────────────────────────────────────────────────────────
   Round 2 — Glossary page (szotar.html)
   ───────────────────────────────────────────────────────────── */
.glossary-content {
  max-width: 760px;
}
.glossary-intro {
  font-family: var(--font-serif);
  font-style: normal;
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0 0 56px;
  padding: 0 0 36px;
  border-bottom: 1px solid var(--border-cell);
}
.glossary-term {
  padding: 0 0 32px;
  margin: 0 0 32px;
  border-bottom: 1px solid var(--border-cell);
}
.glossary-term:last-of-type {
  border-bottom: 0;
}
.glossary-term-name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-style: normal;
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: -0.015em;
  color: var(--text);
}
.glossary-term-key {
  color: var(--accent);
}
.glossary-term-en {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.005em;
  color: var(--text-dim);
  font-weight: 450;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
}
.glossary-term-def {
  font-size: 1.05rem;
  line-height: 1.65;
  margin: 0 0 14px;
  color: var(--text);
}
.glossary-term-example {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
  padding: 12px 16px;
  background: var(--bg-elev);
  border-left: 2px solid var(--accent);
  border-radius: 0 8px 8px 0;
}
.glossary-term-example em {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-right: 8px;
}
.glossary-back {
  margin-top: 56px;
  text-align: center;
}
.glossary-back a {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.005em;
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
}
.glossary-back a:hover { color: var(--text); }

/* ─────────────────────────────────────────────────────────────
   Round 3 — Heti feladat (lesson-homework) aside
   ───────────────────────────────────────────────────────────── */
.lesson-homework {
  border-left: 3px solid var(--accent);
  background: rgba(21, 21, 26, 0.045);
  padding: 1.25rem 1.5rem;
  margin: 2.5rem 0 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.lesson-homework h4 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.lesson-homework p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text);
}
.lesson-homework ul {
  margin: 0;
  padding-left: 22px;
}
.lesson-homework ul li {
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.55;
}
.lesson-homework ul li::marker { color: var(--accent); }

/* ─────────────────────────────────────────────────────────────
   Round 3 — Mobile breakpoint stack (320 / 360 / 375 / 414 / 480 / 768)
   ───────────────────────────────────────────────────────────── */

/* Code blocks: smooth horizontal scroll + thin scrollbar mobilon */
.lesson-content pre {
  -webkit-overflow-scrolling: touch;
}
@media (max-width: 480px) {
  .lesson-content pre {
    padding: 16px 18px 14px;
    font-size: 12.5px;
    line-height: 1.55;
    scrollbar-width: thin;
  }
  .lesson-content pre::-webkit-scrollbar {
    height: 6px;
  }
  .lesson-content pre::-webkit-scrollbar-thumb {
    background: rgba(21, 21, 26, 0.28);
    border-radius: 3px;
  }
  .lesson-content code {
    font-size: 13px;
    word-break: break-word;
  }
  .lesson-content h2 {
    margin: 2.25rem 0 14px;
  }
  .lesson-content h3 {
    margin: 28px 0 10px;
  }
  .lesson-content blockquote {
    padding: 16px 18px;
    font-size: 17px;
  }
  .lesson-homework {
    padding: 1rem 1.1rem;
    margin: 2rem 0 1.25rem;
  }
}

/* 768px — iPad portrait */
@media (max-width: 768px) {
  .lesson-content { padding-left: 20px; padding-right: 20px; }
  .stats { gap: 8px; }
  .ecosystem-grid { grid-template-columns: 1fr; }
}

/* 414px — iPhone Plus / iPhone 11 */
@media (max-width: 414px) {
  header.hero { padding: 116px 16px 64px; }
  .lesson-header { padding: 116px 16px 48px; }
  .lesson-content { padding: 40px 16px 64px; font-size: 15.5px; }
  header.hero .lede { font-size: 17px; }
  .lesson-header .lesson-sub { font-size: 16px; }
  .stat { padding: 12px 16px; min-width: 92px; }
  .stat b { font-size: 22px; }
}

/* 375px — iPhone 13 mini / iPhone SE 2 */
@media (max-width: 375px) {
  header.hero { padding: 112px 14px 60px; }
  .lesson-header { padding: 112px 14px 44px; }
  .lesson-content { padding: 36px 14px 60px; font-size: 15px; }
  .brand-bar { font-size: 10px; top: 14px; left: 14px; letter-spacing: 0.12em; }
  .nav-links { font-size: 11px; gap: 12px; }
  .lesson-pill { font-size: 10px; padding: 5px 10px; letter-spacing: 0.1em; }
  .library-toolbar { padding: 12px 12px; gap: 8px 10px; }
  .library-chip, .library-chip-cat { padding: 10px 12px; font-size: 10.5px; letter-spacing: 0.08em; min-height: 44px; }
  .library-search { padding: 8px 12px; }
  .library-search input[type="search"] { font-size: 13.5px; }
}

/* 360px — Android pre-modern */
@media (max-width: 360px) {
  .lesson-content { padding: 32px 12px 56px; font-size: 14.5px; }
  .lesson-content h2 { font-size: 24px; margin: 1.75rem 0 12px; }
  .lesson-content h3 { font-size: 19px; margin: 24px 0 8px; }
  .lesson-content blockquote { padding: 14px 16px; font-size: 16px; }
  .stat { padding: 10px 14px; min-width: 84px; }
  .stat b { font-size: 20px; }
  .lesson-nav a { padding: 14px 16px; }
  .lesson-nav .nav-title { font-size: 16px; }
}

/* 320px — iPhone SE 1, Galaxy Fold inner */
@media (max-width: 320px) {
  .brand-bar { top: 18px; left: 16px; font-size: 10px; gap: 8px; letter-spacing: 0.1em; }
  .nav-links { top: 38px; padding: 5px 12px; gap: 10px; font-size: 10.5px; }
  header.hero { padding: 108px 12px 52px; }
  .lesson-header { padding: 108px 12px 40px; }
  .lesson-content { padding: 28px 10px 48px; font-size: 14px; }
  .lesson-content p { margin-bottom: 1.1em; }
  .lesson-content pre { padding: 12px 14px 10px; font-size: 11.5px; }
  .lesson-content code { font-size: 12px; padding: 1px 5px; }
  header.hero .lede { font-size: 15.5px; }
  .lesson-header .lesson-sub { font-size: 15px; }
  .lesson-header .breadcrumb { font-size: 10.5px; }
  .stats { gap: 6px; }
  .stat { padding: 8px 12px; min-width: 76px; }
  .stat b { font-size: 18px; }
  .stat span { font-size: 9.5px; letter-spacing: 0.08em; }
  .lesson-pill { font-size: 9.5px; padding: 4px 9px; }
  .cta { font-size: 13px; padding: 10px 10px 10px 16px; }
  .lesson-homework { padding: 14px 14px; margin: 1.75rem 0 1.1rem; }
  .lesson-homework p { font-size: 14px; }
  .lesson-homework ul li { font-size: 13.5px; }
  .library-toolbar { padding: 10px 10px; }
  .library-chip, .library-chip-cat { font-size: 10px; padding: 10px 10px; letter-spacing: 0.06em; }
}

/* Touch targets — WCAG 2.5.5 baseline minden interaktív elemre */
@media (max-width: 768px) {
  .cta, .lesson-nav a, .nav-links a, .ecosystem-grid a, .footer-links a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  .lesson-nav a { display: flex; }
  .footer-links a { padding: 6px 4px; }
  .nav-links a { padding: 4px 2px; }
}

/* Breadcrumb mobil: sep kicseréljük inline-ra, hogy ne lógjon ki */
@media (max-width: 480px) {
  .lesson-header .breadcrumb { font-size: 11px; letter-spacing: 0.08em; }
  .lesson-header .breadcrumb .sep { margin: 0 6px; }
}


/* === Kezdd itt (starter) blokk — visszaállítva a 07-13-i deployból === */
.starter {
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  margin: 0 0 56px;
  box-shadow: 0 1px 0 rgba(21,21,26,0.04), 0 24px 48px -36px rgba(21,21,26,0.30);
}
.starter .eyebrow { margin-bottom: 18px; }
.starter-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(26px, 3.4vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 14px;
  color: var(--text);
}
.starter-lede {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 70ch;
  margin: 0 0 30px;
}
.starter-lede strong { color: var(--text); font-weight: 600; }
.starter-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-strong);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
}
.starter-step {
  background: var(--bg);
  padding: 24px 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.starter-step-num {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text);
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
}
.starter-step h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 2px 0 0;
  color: var(--text);
  letter-spacing: -0.01em;
}
.starter-step p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
}
.starter-step a {
  color: var(--text);
  border-bottom: 1px solid var(--border-strong);
  transition: border-color 0.18s, color 0.18s;
}
.starter-step a:hover { color: #000; border-color: var(--text); }
.starter-title { letter-spacing: -0.03em; }
.starter-title em { font-style: normal; color: inherit; }
@media (max-width: 480px) {
  .starter {
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  margin: 0 0 56px;
  box-shadow: 0 1px 0 rgba(21,21,26,0.04), 0 24px 48px -36px rgba(21,21,26,0.30);
}
}
@media (max-width: 760px) {
  .starter { padding: 28px 22px; }
  .starter-steps { grid-template-columns: 1fr; }
}

/* === wf2 — BN wireframe-rendszer: a blokkok VALÓDI geometriáját mutatja
   (középre zárt, jobbra/balra tolt, 2-3 hasábos sorok), a starter-blokk
   vonalvezetésével: lekerekített, hairline, mono címkék. === */
.wf2{background:#fff;border:1px solid var(--border-strong);border-radius:16px;max-width:520px;margin:0 auto;overflow:hidden;box-shadow:0 1px 0 rgba(21,21,26,0.04),0 24px 48px -36px rgba(21,21,26,0.30);}
.wf2-bar{display:flex;gap:5px;padding:11px 14px;border-bottom:1px solid var(--border);}
.wf2-bar i{width:8px;height:8px;border-radius:50%;background:var(--border-strong);}
.wf2-body{padding:16px 16px 20px;display:flex;flex-direction:column;gap:9px;}
.wf2-row{display:flex;gap:9px;align-items:stretch;}
.wf2-row.center{justify-content:center;}
.wf2-row.right{justify-content:flex-end;}
.wf2-b{background:var(--card);border:1px solid var(--border-strong);border-radius:10px;min-height:46px;display:flex;align-items:center;justify-content:center;padding:8px 10px;flex:1;min-width:0;}
.wf2-b span{font-family:var(--font-mono);font-size:10.5px;font-weight:500;letter-spacing:.05em;text-transform:uppercase;color:#6a6a70;text-align:center;line-height:1.4;}
.wf2-b.slim{min-height:30px;}
.wf2-b.tall{min-height:72px;}
.wf2-b.hl{border-color:var(--accent-strong);background:#fff;}
.wf2-b.hl span{color:var(--accent-strong);}
.wf2-b.ghost{background:transparent;border-style:dashed;}
.wf2-b.w-20{flex:0 0 20%;} .wf2-b.w-25{flex:0 0 25%;} .wf2-b.w-30{flex:0 0 30%;}
.wf2-b.w-35{flex:0 0 35%;} .wf2-b.w-40{flex:0 0 40%;} .wf2-b.w-45{flex:0 0 45%;}
.wf2-b.w-50{flex:0 0 50%;} .wf2-b.w-55{flex:0 0 55%;} .wf2-b.w-60{flex:0 0 60%;}
.wf2-b.w-65{flex:0 0 65%;} .wf2-b.w-70{flex:0 0 70%;} .wf2-b.w-75{flex:0 0 75%;}
.wf2-b.w-80{flex:0 0 80%;}
/* funnel-flow: mini-oldalak nyíllal összekötve, függőlegesen */
.wf2-flow{display:flex;flex-direction:column;align-items:center;gap:0;max-width:520px;margin:0 auto;}
.wf2-flow .wf2{max-width:340px;margin:0;}
.wf2-arrow{display:flex;flex-direction:column;align-items:center;padding:2px 0;color:#9a98a0;}
.wf2-arrow::before{content:"";width:1px;height:16px;background:var(--border-strong);}
.wf2-arrow::after{content:"";width:7px;height:7px;border-right:1px solid var(--border-strong);border-bottom:1px solid var(--border-strong);transform:rotate(45deg);margin-top:-5px;}
.wf2-arrow-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.05em;text-transform:uppercase;color:#8a8a90;padding:4px 0 6px;}
@media (max-width:480px){ .wf2-body{padding:12px 12px 16px;} .wf2-b span{font-size:9.5px;} }

/* === wf3 — elem-szintű BN skicc-készlet (Attila referencia-képei alapján):
   szekció-címkék + blokkokon belüli váz-elemek (szövegsorok, ikonok, gombok,
   avatar+csillag, checkbox, accordion, kép/videó-placeholder, tónus-kártyák) === */
.wf3{background:#fff;border:1px solid var(--border-strong);border-radius:18px;max-width:520px;margin:0 auto;padding:14px;display:flex;flex-direction:column;gap:14px;box-shadow:0 1px 0 rgba(21,21,26,0.04),0 24px 48px -36px rgba(21,21,26,0.30);}
.wf3-sec{display:flex;flex-direction:column;gap:7px;}
.wf3-label{font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:#8a8a90;padding-left:2px;}
.wf3-card{background:var(--card);border:1px solid var(--border-strong);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:8px;min-width:0;}
.wf3-row{display:flex;gap:10px;align-items:center;min-width:0;}
.wf3-row.top{align-items:flex-start;}
.wf3-row.center{justify-content:center;}
.wf3-row.right{justify-content:flex-end;}
.wf3-cols{display:flex;gap:10px;}
.wf3-cols>*{flex:1;min-width:0;}
.wf3-col{display:flex;flex-direction:column;gap:7px;flex:1;min-width:0;}
/* szöveg-vonalak (szélesség inline style-lal: style="width:60%") */
.wf3-t{height:8px;border-radius:99px;background:#dcdae2;flex:none;}
.wf3-t.h{height:11px;background:#b9b7c2;}
.wf3-t.on-dark{background:rgba(255,255,255,.5);}
.wf3-t.h.on-dark{background:rgba(255,255,255,.8);}
/* gomb-pillek */
.wf3-btn{height:22px;border-radius:99px;background:#5b8ed6;min-width:84px;display:inline-flex;align-items:center;justify-content:center;flex:none;}
.wf3-btn::after{content:"";width:56%;height:6px;border-radius:99px;background:rgba(255,255,255,.85);}
.wf3-btn.green{background:#4f9d75;}
.wf3-btn.red{background:#c96a5f;}
.wf3-btn.subtle{background:#fff;border:1px solid var(--border-strong);}
.wf3-btn.subtle::after{background:#d5d3da;}
/* ikonok, avatar, csillagok */
.wf3-ico{width:22px;height:22px;border-radius:6px;background:#dbe7f6;border:1px solid #c3d6ef;flex:none;}
.wf3-ico.green{background:#dcefe5;border-color:#c2e0d1;}
.wf3-ico.amber{background:#f7ead3;border-color:#eedcb8;}
.wf3-ico.red{background:#f6ddd9;border-color:#eec4bd;}
.wf3-ico.grey{background:#eceae6;border-color:#dcdad5;}
.wf3-avatar{width:26px;height:26px;border-radius:50%;background:#d5d3da;flex:none;}
.wf3-stars{color:#d9a13f;font-size:11px;letter-spacing:2px;line-height:1;flex:none;}
/* checkbox-sor és accordion-sor */
.wf3-check{display:flex;gap:8px;align-items:center;min-width:0;}
.wf3-check::before{content:"";width:10px;height:10px;border:1px solid #b9b7c2;border-radius:3px;background:#fff;flex:none;}
.wf3-acc{display:flex;justify-content:space-between;align-items:center;gap:10px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:8px 10px;}
.wf3-acc::after{content:"+";color:#8a8a90;font-size:13px;line-height:1;flex:none;}
/* kép- és videó-placeholder */
.wf3-img{position:relative;border:1.5px dashed #c3c1ca;border-radius:10px;min-height:64px;flex:1;min-width:0;background:#fafafa;overflow:hidden;}
.wf3-img::before,.wf3-img::after{content:"";position:absolute;left:-10%;right:-10%;top:50%;height:1px;background:#d5d3da;}
.wf3-img::before{transform:rotate(18deg);}
.wf3-img::after{transform:rotate(-18deg);}
.wf3-img.video::before{all:unset;content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:26px;height:26px;border-radius:50%;border:1.5px solid #a9a7b0;background:#fff;}
.wf3-img.video::after{all:unset;content:"";position:absolute;left:calc(50% - 3px);top:50%;transform:translate(-50%,-50%) rotate(90deg);border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:7px solid #a9a7b0;margin-left:6px;}
/* tónusok */
.wf3-card.dark{background:#15151a;border-color:#15151a;}
.wf3-card.tint-green{background:#e9f4ee;border-color:#cfe7db;}
.wf3-card.tint-violet{background:#efe9f7;border-color:#ded2ef;}
.wf3-card.tint-amber{background:#f9efdd;border-color:#f0dfc0;}
.wf3-card.tint-red{background:#f9e5e2;border-color:#efc9c4;}
.wf3-card.tint-blue{background:#e7eff9;border-color:#cfdff2;}
@media (max-width:480px){ .wf3{padding:10px;} .wf3-cols{flex-wrap:wrap;} }
/* wf3 kiegészítők a sales-referenciához: ár-chip, áthúzott ár, vízszintes nyíl, kör-jelvény */
.wf3-price{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.04em;color:#15151a;background:#fff;border:1px solid var(--border-strong);border-radius:7px;padding:4px 8px;flex:none;}
.wf3-price.strike{color:#c96a5f;text-decoration:line-through;border-style:dashed;}
.wf3-harrow{flex:none;display:flex;align-items:center;color:#9a98a0;}
.wf3-harrow::before{content:"";width:22px;height:1px;background:var(--border-strong);}
.wf3-harrow::after{content:"";width:6px;height:6px;border-right:1px solid var(--border-strong);border-top:1px solid var(--border-strong);transform:rotate(45deg);margin-left:-6px;}
.wf3-badge{width:26px;height:26px;border-radius:50%;border:1.5px solid #d9a13f;background:#fff;position:relative;flex:none;}
.wf3-badge::after{content:"";position:absolute;left:8px;top:6px;width:7px;height:11px;border-right:1.5px solid #d9a13f;border-bottom:1.5px solid #d9a13f;transform:rotate(40deg);}
.wf2-flow .wf3{max-width:340px;margin:0;}
/* wf3 fix (2026-07-20 review): oszlop-kártyában a gomb ne nyúljon teljes szélességűre */
.wf3-card>.wf3-btn{align-self:center;}

/* =========================================================================
   Tipográfia-frissítés (2026-07-31, Attila) — Modulabs-referencia méretskála.
   CSAK méretek és térközök: betűtípus, színek, brand változatlan. Vonal nincs.
   Jóváhagyott minta: bn-hatter-minta.vercel.app/tipo-minta.html (v4)
   ========================================================================= */
.lesson-content {
  font-size: 14px;
  line-height: 20px;
}
.lesson-content p,
.lesson-content li {
  font-size: 14px;
  line-height: 20px;
  color: color-mix(in srgb, var(--text) 72%, transparent);
}
.lesson-content h2 {
  font-size: 28px;
  line-height: 32px;
  letter-spacing: -0.25px;
  margin: 96px 0 16px;
}
.lesson-content h3 {
  font-size: 24px;
  line-height: 28px;
  letter-spacing: 0;
  margin: 72px 0 16px;
}
.lesson-content h2 + h3 { margin-top: 32px; }
.lesson-content h4 {
  font-size: 16px;
  line-height: 24px;
  font-weight: 500;
  margin: 32px 0 8px;
}
.lesson-content ul,
.lesson-content ol {
  margin: 0 0 1.5em;
  padding-left: 20px;
}
.lesson-content ul li,
.lesson-content ol li { margin-bottom: 4px; }
.lesson-content blockquote,
.lesson-content blockquote p { font-size: 14px; line-height: 20px; }
@media (max-width: 767px) {
  .lesson-content { font-size: 12px; line-height: 16px; }
  .lesson-content p,
  .lesson-content li { font-size: 12px; line-height: 16px; }
  .lesson-content h2 { font-size: 24px; line-height: 28px; margin: 64px 0 12px; }
  .lesson-content h3 { font-size: 20px; line-height: 24px; margin: 56px 0 12px; }
  .lesson-content blockquote,
  .lesson-content blockquote p { font-size: 12px; line-height: 16px; }
}