/* ─────────────────────────────────────────────────────────────
   Learning Agents — Premium Landing
   Brand: Expert Flow Premium Dark Library
   Inspiráció a struktúrához: hermes-agent.nousresearch.com
   Fonts loaded via <link rel="stylesheet"> in HTML <head> for
   non-blocking parallel fetch (no @import, no extra Inter family).
   ───────────────────────────────────────────────────────────── */

:root {
  color-scheme: dark;

  --bg: #0a0a0c;
  --bg-elev: #111114;
  --bg-elev-2: #16161a;
  --card: #131316;
  --card-hover: #1a1a1e;

  --border: #1f1f23;
  --border-strong: #2a2a2e;
  --border-cell: #232327;  /* etalon-token: section-bordered grid (ev-landings, expert-flow-agents) */

  --text: #fafafa;
  --text-muted: #a1a1aa;
  --text-dim: #8b8b94;

  --accent: #b9a7e0;
  --accent-soft: rgba(185, 167, 224, 0.10);
  --accent-strong: #cdb9eb;
  --accent-glow: rgba(185, 167, 224, 0.18);

  --font-sans: 'Instrument Sans', "Instrument Sans Fallback", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, "Times New Roman", serif;
  --font-mono: 'JetBrains Mono', ui-monospace, "SF Mono", Menlo, monospace;

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

  --container: 1200px;

  --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: 1.6;
}

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }

*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: inherit;
}

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

/* ─── Accessibility utilities ───────────────────────────────── */
.sr-only {
  position: absolute;
  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;
  top: -100px;
  left: 16px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--accent);
  color: var(--bg);
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: top 0.2s var(--ease-out);
}
.skip-link:focus,
.skip-link:focus-visible {
  top: 16px;
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

/* Inline-style replacements (CSP-friendly utility classes) */
.link-accent { color: var(--accent); border-bottom: 1px solid rgba(185, 167, 224, 0.3); }
.link-accent:hover { border-bottom-color: var(--accent); }
.final-ctas { margin-top: 40px; }
.install-meta { text-align: center; margin-top: 40px; color: var(--text-dim); font-size: 13px; }
main#main { display: block; }

/* ─────────────────────────────────────────────────────────────
   Brand bar — sticky top-left identity
   ───────────────────────────────────────────────────────────── */
/* brand-bar — etalon top-stripe (overrides brand.css inline as stripe, not fixed) */
.brand-bar {
  position: relative;
  z-index: 5;
  top: auto;
  left: auto;
  pointer-events: auto;
  /* inherit brand.css layout: display inline-flex, padding, border-bottom */
}
.brand-bar .dot {
  animation: pulse 2.4s ease-in-out infinite;
}

@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);
  text-decoration: none;
  border: none;
}
.nav-links a:hover { color: var(--text); }
.nav-links .nav-github { color: var(--accent); }
.nav-links .nav-github:hover { color: var(--accent-strong); }

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

header.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgba(185, 167, 224, 0.12), transparent 65%),
    radial-gradient(ellipse 40% 30% at 50% 100%, rgba(185, 167, 224, 0.04), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

header.hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(185, 167, 224, 0.18) 30%,
    rgba(185, 167, 224, 0.18) 70%,
    transparent 100%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 28px;
  padding: 6px 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(185, 167, 224, 0.22);
  border-radius: var(--radius-pill);
}
header.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(48px, 7.6vw, 96px);
  font-weight: 400;
  margin: 0 0 24px;
  letter-spacing: -0.025em;
  line-height: 1.02;
  color: var(--text);
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}
header.hero h1 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}

header.hero .lede {
  font-size: 19px;
  color: var(--text-muted);
  margin: 0 auto;
  max-width: 660px;
  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;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset;
  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), box-shadow 0.22s var(--ease-out);
  font-family: inherit;
  text-decoration: none;
  /* WCAG 2.5.5 touch target — 44×44 minimum (HIG/Material baseline) */
  min-height: 44px;
  min-width: 44px;
}

/* Primary "try it now" CTA — strong lavender, the conversion driver */
.cta-try {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  box-shadow: 0 0 0 rgba(185, 167, 224, 0);
}
.cta-try:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  box-shadow: 0 0 32px var(--accent-glow);
  transform: translateY(-1px);
}

/* GitHub icon */
.cta svg { width: 16px; height: 16px; flex-shrink: 0; }

/* CTA states (loading / copied / error) — visual feedback for data-try-prompt */
.cta-try.is-loading { opacity: 0.85; cursor: progress; }
.cta-try.is-copied {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  box-shadow: 0 0 24px var(--accent-glow);
}
.cta-try.is-error {
  background: var(--card);
  color: var(--text);
  border-color: var(--border-strong);
}

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

section { padding: 112px 0; }

.section-header { text-align: center; margin-bottom: 72px; }
.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: italic; color: var(--accent); }
.section-header p {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ─────────────────────────────────────────────────────────────
   Dual pathway — oktató vs tanuló (post-hero)
   ───────────────────────────────────────────────────────────── */
.dual-pathway {
  padding-top: 24px;
  padding-bottom: 8px;
}
.pathway-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  max-width: 880px;
  margin: 0 auto;
}
.pathway-card {
  background: var(--accent-soft);
  border: 1px solid rgba(185, 167, 224, 0.22);
  border-radius: var(--radius);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pathway-card .pathway-tag {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  font-family: var(--font-mono);
}
.pathway-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  margin: 4px 0 4px;
  color: var(--text);
  letter-spacing: -0.018em;
  font-style: italic;
}
.pathway-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}
.pathway-link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  border-bottom: none;
  transition: color 0.18s var(--ease-out);
}
.pathway-link:hover { color: var(--accent-strong); }

/* ─────────────────────────────────────────────────────────────
   Problem section — mit old meg
   ───────────────────────────────────────────────────────────── */
.problem {
  text-align: center;
}
.problem .quote-large {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.4;
  letter-spacing: -0.012em;
  color: var(--text);
  max-width: 880px;
  margin: 0 auto;
}
.problem .quote-large em {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
}
.problem .attribution {
  margin-top: 28px;
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ─────────────────────────────────────────────────────────────
   Characters grid (4+2)
   ───────────────────────────────────────────────────────────── */
.characters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.character-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: background 0.3s var(--ease-out), border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.character-card:hover {
  background: var(--card-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.character-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(185, 167, 224, 0.4), transparent);
  opacity: 0;
  transition: opacity 0.35s var(--ease-out);
}
.character-card:hover::before { opacity: 1; }

.character-card .icon {
  margin-bottom: 22px;
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--accent);
  transition: border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}
.character-card:hover .icon {
  border-color: rgba(185, 167, 224, 0.32);
  background: rgba(185, 167, 224, 0.06);
}
.character-card .icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.character-card h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 400;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.character-card h3 em { font-style: italic; color: var(--accent); }

.character-card .role {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 18px;
  display: block;
}

.character-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0 0 20px;
}

.character-card .helps,
.character-card .when-use {
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.6;
}
.character-card .helps strong,
.character-card .when-use strong {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
}
.character-card .when-use {
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 12px;
}

/* Magyar domain példa aside — konkrét piaci kontextus minden karakterhez */
.character-card .character-example {
  margin-top: 16px;
  padding: 14px 16px;
  border-left: 2px solid var(--accent);
  background: rgba(185, 167, 224, 0.05);
  border-radius: 0 6px 6px 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-muted);
}
.character-card .character-example strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
  font-weight: 500;
}
.character-card .character-example em {
  font-style: italic;
  color: var(--text);
}

/* ─────────────────────────────────────────────────────────────
   How it works — 4 step
   ───────────────────────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  position: relative;
}

.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}
.step .step-num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 56px;
  color: var(--accent);
  line-height: 1;
  display: block;
  margin-bottom: 16px;
  letter-spacing: -0.04em;
}
.step h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 12px;
  color: var(--text);
  letter-spacing: -0.012em;
}
.step p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.65;
}

/* ─────────────────────────────────────────────────────────────
   Code blocks
   ───────────────────────────────────────────────────────────── */
.code-block {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  margin: 0;
  overflow: hidden;
}
.code-block .code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev-2);
}
.code-block .code-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-family: var(--font-mono);
}
.code-block pre {
  margin: 0;
  padding: 22px 24px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
.code-block pre::-webkit-scrollbar { height: 6px; }
.code-block pre::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
.code-block pre::-webkit-scrollbar-track { background: transparent; }
.code-block .copy-btn {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  /* WCAG 2.5.5 touch target — 44×44 minimum (HIG/Material baseline) */
  min-height: 44px;
  min-width: 44px;
}
.code-block .copy-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.code-block .copy-btn.copied {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* Syntax tokens */
.tok-comment { color: var(--text-dim); font-style: italic; }
.tok-cmd { color: var(--accent); }
.tok-flag { color: var(--accent-strong); }
.tok-string { color: #c8b6e2; }

/* ─────────────────────────────────────────────────────────────
   Example session (chat-like)
   ───────────────────────────────────────────────────────────── */
.session-example {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 820px;
  margin: 0 auto;
  position: relative;
}
.session-example::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(185, 167, 224, 0.32), transparent);
}
.session-turn {
  margin-bottom: 24px;
}
.session-turn:last-child { margin-bottom: 0; }
.session-speaker {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}
.session-turn.student .session-speaker { color: var(--text-muted); }
.session-turn.character .session-speaker { color: var(--accent); }
.session-turn.character .session-speaker .role-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(185, 167, 224, 0.32);
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
}
.session-message {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  font-family: var(--font-mono);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}
.session-turn.student .session-message {
  border-left: 2px solid var(--border-strong);
  color: var(--text-muted);
}
.session-turn.character .session-message {
  border-left: 2px solid var(--accent);
  color: var(--text);
}
.session-message strong { color: var(--accent-strong); font-weight: 500; }

/* ─────────────────────────────────────────────────────────────
   Starter prompts — tab-switcher + cards
   ───────────────────────────────────────────────────────────── */
.prompt-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.prompt-tab {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.22s var(--ease-out), border-color 0.22s var(--ease-out), color 0.22s var(--ease-out), transform 0.22s var(--ease-out);
  /* WCAG 2.5.5 touch target — 44×44 minimum */
  min-height: 44px;
  min-width: 44px;
}
.prompt-tab:hover {
  border-color: var(--border-strong);
  color: var(--text);
}
.prompt-tab.active {
  background: var(--accent-soft);
  border-color: rgba(185, 167, 224, 0.4);
  color: var(--accent-strong);
}
.prompt-tab svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.prompt-panel {
  display: none;
}
.prompt-panel.active {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
  animation: fadeInPanel 0.4s var(--ease-out);
}
@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.prompt-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 22px 18px;
  position: relative;
  cursor: pointer;
  transition: background 0.25s var(--ease-out), border-color 0.25s var(--ease-out), transform 0.25s var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 130px;
  text-align: left;
  font: inherit;
  color: inherit;
}
.prompt-card:hover {
  background: var(--card-hover);
  border-color: rgba(185, 167, 224, 0.32);
  transform: translateY(-2px);
}
.prompt-card .prompt-text {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  letter-spacing: 0;
  margin: 0;
}
.prompt-card .prompt-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 10.5px;
  color: var(--text-dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}
.prompt-card .prompt-action .copy-hint {
  display: flex;
  align-items: center;
  gap: 6px;
}
.prompt-card .prompt-action svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.prompt-card:hover .prompt-action {
  color: var(--accent);
}
.prompt-card.copied {
  border-color: var(--accent);
  background: rgba(185, 167, 224, 0.06);
}
.prompt-card.copied .prompt-action {
  color: var(--accent);
}

.prompts-help {
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 36px;
}
.prompts-help code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  padding: 1px 8px;
  background: var(--accent-soft);
  border-radius: 4px;
  border: 1px solid rgba(185, 167, 224, 0.18);
}

/* ─────────────────────────────────────────────────────────────
   Platforms grid
   ───────────────────────────────────────────────────────────── */
.platforms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.platform {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: border-color 0.25s var(--ease-out), background 0.25s var(--ease-out);
}
.platform:hover {
  border-color: var(--border-strong);
  background: var(--card-hover);
}
.platform .platform-name {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: -0.018em;
  color: var(--text);
  margin-bottom: 6px;
  display: block;
}
.platform .platform-name em { font-style: italic; color: var(--accent); }
.platform .platform-desc {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.platform.featured {
  border-color: rgba(185, 167, 224, 0.32);
  background: linear-gradient(180deg, rgba(185, 167, 224, 0.06), transparent 100%);
}
.platform.featured .platform-name em { display: inline; }

/* ─────────────────────────────────────────────────────────────
   Install — 3 step code blocks
   ───────────────────────────────────────────────────────────── */
.install-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.install-step .step-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.install-step .step-label .num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--accent);
  letter-spacing: 0;
  text-transform: none;
}
.install-step .step-title {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 12px;
  font-weight: 500;
}
.install-note {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-top: 14px;
  margin-bottom: 0;
}
.install-note code {
  background: var(--bg-elev-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12.5px;
  color: var(--accent-strong);
}

/* ── Install mode tabs (Skill csomag vs Subagent csapat) ── */
.install-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.install-tab {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 10px 20px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  transition: background 0.22s var(--ease-out), border-color 0.22s var(--ease-out), color 0.22s var(--ease-out);
}
.install-tab:hover { border-color: var(--border-strong); color: var(--text); }
.install-tab.active {
  background: var(--accent-soft);
  border-color: rgba(185, 167, 224, 0.4);
  color: var(--accent-strong);
}
.install-tab svg {
  width: 15px; height: 15px;
  stroke: currentColor; fill: none;
  stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
}
.install-panel { display: none; }
.install-panel.active { display: block; animation: fadeInPanel 0.4s var(--ease-out); }

.install-mode-lead {
  max-width: 760px;
  margin: 0 auto 30px;
  text-align: center;
  font-size: 15px;
  line-height: 1.62;
  color: var(--text-muted);
}
.install-mode-lead code {
  background: var(--bg-elev-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--accent-strong);
}
.install-mode-best {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--text-dim);
}
.install-compare {
  max-width: 760px;
  margin: 36px auto 0;
  padding: 18px 22px;
  background: var(--card);
  border: 1px solid var(--border);
  text-align: center;
}
.install-compare-label {
  display: block;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.install-compare p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ── Use-case cards (újrahasznosítja a character-card vizuált) ── */
.usecase-grid .character-card code,
.usecase-note code {
  background: var(--bg-elev-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12.5px;
  color: var(--accent-strong);
  font-family: var(--font-mono, monospace);
  word-break: break-word;
}
.usecase-note {
  max-width: 760px;
  margin: 28px auto 0;
  text-align: center;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* Szimmetrikus 2×2 rács (felülírja a characters-grid auto-fit-jét, ami 3+1-re tört) */
.cell-grid.characters-grid.usecase-grid {
  grid-template-columns: repeat(2, 1fr);
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 560px) {
  .cell-grid.characters-grid.usecase-grid { grid-template-columns: 1fr; }
}

/* JS nélkül: install fülek elrejtve, mindkét panel egymás alatt látható */
html:not(.js) .install-tabs { display: none !important; }
html:not(.js) .install-panel,
html:not(.js) .install-panel[hidden] {
  display: block !important;
  margin-bottom: 32px;
}
html:not(.js) .install-panel::before {
  content: attr(data-label);
  display: block;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent, #b9a7e0);
  margin-bottom: 16px;
}

/* 2.a / 2.b install-paths — Claude Code vs ChatGPT/Gemini/Cursor szétválasztás */
.install-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}
.install-path {
  padding: 18px 20px;
  border: 1px solid var(--border-cell);
  border-radius: var(--radius-sm);
  background: var(--card);
}
.install-path-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 10px;
}
.install-path p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-muted);
}
.install-path code {
  background: var(--bg-elev-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12.5px;
  color: var(--accent-strong);
}
@media (max-width: 720px) {
  .install-paths { grid-template-columns: 1fr; }
}

/* ZIP letöltés CTA — primer install button */
.cta.cta-zip {
  margin-top: 4px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s var(--ease-out);
}
.cta.cta-zip svg { width: 18px; height: 18px; }
.cta.cta-zip:hover {
  background: var(--accent);
  color: var(--bg);
  transform: translateY(-1px);
}

/* Fejlesztőknek collapsible blokk */
.install-advanced {
  margin-top: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  overflow: hidden;
}
.install-advanced > summary {
  cursor: pointer;
  padding: 16px 22px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: var(--font-mono);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color 0.2s var(--ease-out);
}
.install-advanced > summary::-webkit-details-marker { display: none; }
.install-advanced > summary::after {
  content: "+";
  font-size: 18px;
  color: var(--accent);
  font-family: var(--font-mono);
  transition: transform 0.2s var(--ease-out);
}
.install-advanced[open] > summary::after { content: "−"; }
.install-advanced > summary:hover { color: var(--text); }
.install-advanced-body {
  padding: 4px 22px 22px;
  border-top: 1px solid var(--border);
}
.install-advanced-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 16px 0 12px;
}
.install-advanced-body .code-block { margin-bottom: 4px; }

/* ─────────────────────────────────────────────────────────────
   Pedagogy quote section
   ───────────────────────────────────────────────────────────── */
.pedagogy {
  background: var(--bg-elev);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 64px 48px;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.pedagogy::before {
  content: "\201C"; /* left double quotation mark */
  position: absolute;
  top: -40px;
  left: 24px;
  font-family: var(--font-serif);
  font-size: 220px;
  color: var(--accent);
  opacity: 0.08;
  line-height: 1;
  font-style: italic;
}
.pedagogy blockquote {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.45;
  margin: 0;
  color: var(--text);
  letter-spacing: -0.012em;
  position: relative;
}
.pedagogy blockquote em {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.pedagogy .pedagogy-tags {
  margin-top: 36px;
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}
.pedagogy .pedagogy-tag {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 6px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
}

/* 2026 kontextus aside — Khanmigo / Duolingo / Claude 4.7 referencia */
.pedagogy .pedagogy-context {
  margin: 32px auto 0;
  max-width: 720px;
  border-left: 3px solid var(--accent);
  background: rgba(185, 167, 224, 0.06);
  padding: 18px 22px;
  border-radius: 0 8px 8px 0;
}
.pedagogy .pedagogy-context p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-muted);
}
.pedagogy .pedagogy-context strong {
  color: var(--accent-strong);
  font-weight: 500;
}
.pedagogy .pedagogy-context em {
  font-style: italic;
  color: var(--text);
}

/* Comparison: hagyományos AI tutor vs Learning Agents */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: 880px;
  margin: 48px auto 0;
  border: 1px solid var(--border-cell);
  border-radius: var(--radius);
  overflow: hidden;
}
.compare-col {
  padding: 28px 28px 32px;
  background: var(--card);
}
.compare-col + .compare-col {
  border-left: 1px solid var(--border-cell);
}
.compare-col--against {
  background: var(--bg-elev);
}
.compare-col--for {
  background: linear-gradient(180deg, rgba(185, 167, 224, 0.06), transparent 100%);
}
.compare-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding: 4px 10px;
  border-radius: 6px;
}
.compare-col--against .compare-tag {
  color: var(--text-dim);
  border: 1px solid var(--border-strong);
}
.compare-col--for .compare-tag {
  color: var(--accent);
  border: 1px solid rgba(185, 167, 224, 0.4);
  background: var(--accent-soft);
}
.compare-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.compare-col li {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-muted);
  padding: 8px 0 8px 24px;
  position: relative;
  border-bottom: 1px solid var(--border);
}
.compare-col li:last-child { border-bottom: none; }
.compare-col li::before {
  position: absolute;
  left: 0;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
}
.compare-col--against li::before {
  content: "−";
  color: var(--text-dim);
}
.compare-col--for li::before {
  content: "+";
  color: var(--accent);
}

.pedagogy-meta {
  text-align: center;
  margin-top: 32px;
  font-size: 13px;
  color: var(--text-dim);
}
.pedagogy-meta a { color: var(--accent); border-bottom: 1px solid rgba(185, 167, 224, 0.3); }
.pedagogy-meta a:hover { border-bottom-color: var(--accent); }

/* ─────────────────────────────────────────────────────────────
   Final CTA
   ───────────────────────────────────────────────────────────── */
.final-cta {
  text-align: center;
  padding: 120px 0;
}
.final-cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5.4vw, 64px);
  font-weight: 400;
  letter-spacing: -0.024em;
  line-height: 1.05;
  margin: 0 0 20px;
}
.final-cta h2 em {
  font-style: italic;
  color: var(--accent);
}
.final-cta .lede {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.55;
}

/* ─────────────────────────────────────────────────────────────
   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: italic;
  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); }

/* ─────────────────────────────────────────────────────────────
   Animations — scroll-triggered reveal
   ───────────────────────────────────────────────────────────── */
.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; }
.reveal-delay-5 { transition-delay: 400ms; }
.reveal-delay-6 { transition-delay: 480ms; }

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

/* ─────────────────────────────────────────────────────────────
   Responsive
   ───────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  /* Sticky nav követi a scrollt — nincs üres sáv a brand bar alatt görgetésnél */
  .nav-links {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 40;
    padding: 8px 16px;
    gap: 18px;
    font-size: 12px;
    background: rgba(10, 10, 12, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a {
    flex-shrink: 0;
    padding: 4px 0;
  }
}

@media (max-width: 720px) {
  header.hero { padding: 168px 18px 72px; } /* extra top for sticky nav */
  section { padding: 80px 0; }
  .container { padding: 0 18px; }
  .pedagogy { padding: 48px 24px; }
  .session-example { padding: 24px; }
  .session-message { font-size: 13.5px; }
  .stat { padding: 14px 18px; min-width: 100px; }
  .stat b { font-size: 26px; }
  .character-card { padding: 28px 22px; }
  .compare-grid { grid-template-columns: 1fr; }
  .compare-col + .compare-col { border-left: none; border-top: 1px solid var(--border-cell); }
  .pathway-card { padding: 24px 22px; }
  /* Code block mobile padding-bottom for scroll affordance */
  .code-block pre { padding-bottom: 20px; font-size: 12.5px; }
}

/* Toast — safe-area-aware position to clear iOS home indicator */
.toast {
  position: fixed;
  bottom: max(32px, env(safe-area-inset-bottom, 32px));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-elev);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  letter-spacing: 0.04em;
  z-index: 100;
  opacity: 0;
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
  pointer-events: none;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 16px var(--accent-glow);
  max-width: calc(100vw - 32px);
  text-align: center;
}
.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
@media (max-width: 720px) {
  .toast {
    bottom: max(24px, env(safe-area-inset-bottom, 24px));
    font-size: 12.5px;
    padding: 10px 18px;
  }
}

/* ═════════════════════════════════════════════════════════════
   Etalon cell-bordered grid pattern
   (matches ev-landings .features-wrap, expert-flow-agents .g-feat)
   ═════════════════════════════════════════════════════════════ */

/* Gap-as-border cell grid: black cells by default, thin gridlines, hover lights up.
   (High specificity here is intentional — it must beat any earlier per-cell rule.) */
.characters-grid,
.steps,
.platforms {
  gap: 1px !important;
  background: var(--border-cell);
  border: 1px solid var(--border-cell);
}

.characters-grid .character-card,
.steps .step,
.platforms .platform {
  border-radius: 0 !important;
  border: none !important;
  background: var(--bg) !important;        /* BLACK by default — matches the page */
  transition: background 220ms ease;
}

.characters-grid .character-card:hover,
.steps .step:hover,
.platforms .platform:hover {
  background: var(--accent-soft) !important;   /* violet highlight on hover */
}

/* ─────────────────────────────────────────────────────────────
   Brand unification overrides (brand.css integration)
   ───────────────────────────────────────────────────────────── */

/* Ensure nav-links stays above brand.css body > * z-index:2 */
.nav-links { z-index: 50; }

/* cell-grid on characters uses brand.css border tokens — ensure border-cell
   maps correctly for the existing characters-grid override block */
.cell-grid.characters-grid {
  border-color: var(--color-border-strong, var(--border-cell));
}
.cell-grid.characters-grid .character-card {
  border-color: var(--color-border-strong, var(--border-cell));
  /* padding comes from cell-grid > * in brand.css (2.5rem), character-card
     had 36px 32px — keep the larger value to preserve layout */
  padding: 36px 32px;
}

/* hero-stage: keep existing hero padding, just ensure overflow:hidden for glyph */
header.hero.hero-stage {
  overflow: hidden;
}

/* em-violet inside h1 should keep display font style (brand.css handles this,
   but hero h1 em override in style.css takes precedence — reset it) */
header.hero h1 .em-violet,
header.hero h1 em.em-violet {
  color: var(--color-accent-violet);
  font-family: var(--font-display);
  font-style: italic;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
}

/* ─── 404 page — uses brand-bar + cta from brand.css; layout below ── */
.notfound-main {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(120px, 18vh, 200px) 24px 80px;
  text-align: center;
}
.notfound-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--border-cell, var(--border-strong));
  background: var(--bg-elev);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 32px;
}
.notfound-h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  color: var(--text);
  font-weight: 400;
}
.notfound-h1 em {
  color: var(--accent);
  font-style: italic;
  font-family: var(--font-serif);
}
.notfound-p {
  color: var(--text-muted);
  font-size: 1.125rem;
  line-height: 1.65;
  max-width: 60ch;
  margin: 0 auto 56px;
}

/* ─────────────────────────────────────────────────────────────
   Pro Tip — aside a prompts szekció végén
   ───────────────────────────────────────────────────────────── */
.pro-tip {
  margin: 48px auto 0;
  max-width: 720px;
  padding: 22px 26px;
  background: var(--accent-soft);
  border: 1px solid rgba(185, 167, 224, 0.22);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}
.pro-tip-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 500;
}
.pro-tip p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}
.pro-tip strong {
  color: var(--accent-strong);
  font-weight: 500;
}

/* ─────────────────────────────────────────────────────────────
   Expert Flow Ökoszisztéma — shared footer block
   ───────────────────────────────────────────────────────────── */
.ecosystem-footer {
  border-top: 1px solid var(--border);
  padding: 72px 0 56px;
  background: var(--bg-elev);
}
.ecosystem-footer .container { padding-left: 24px; padding-right: 24px; }
.ecosystem-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 10px;
  font-weight: 500;
}
.ecosystem-footer h3 {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 400;
  letter-spacing: -0.018em;
  margin: 0 0 28px;
  color: var(--text);
}
.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 16px;
  border: 1px solid var(--border-cell);
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  background: var(--card);
  transition: border-color 0.22s var(--ease-out), background 0.22s var(--ease-out), transform 0.22s var(--ease-out);
}
.ecosystem-grid a:hover {
  border-color: var(--accent);
  background: rgba(185, 167, 224, 0.06);
  transform: translateY(-1px);
}

/* ─────────────────────────────────────────────────────────────
   320 / 480 px responsive — edge cases (iPhone SE, Galaxy Fold)
   ───────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  header.hero { padding: 132px 16px 60px; }
  header.hero h1 { font-size: clamp(36px, 9.6vw, 56px); }
  header.hero .lede { font-size: 16.5px; }
  section { padding: 64px 0; }
  .section-header { margin-bottom: 48px; }
  .section-header h2 { font-size: clamp(28px, 7vw, 40px); }
  .section-header p { font-size: 15.5px; }
  .stats { gap: 8px; margin-top: 36px; }
  .stat { padding: 12px 16px; min-width: 88px; }
  .stat b { font-size: 22px; }
  .hero-ctas { gap: 10px; margin-top: 36px; }
  .cta { padding: 13px 22px; font-size: 13.5px; }
  .nav-links { padding: 8px 14px; gap: 14px; font-size: 11.5px; }
  .brand-bar { font-size: 11.5px; padding: 8px 14px; }
  .prompt-tabs { gap: 6px; margin-bottom: 28px; }
  .prompt-tab { padding: 8px 13px; font-size: 12px; }
  .prompt-panel.active { grid-template-columns: 1fr; gap: 10px; }
  .prompt-card { padding: 18px 18px 14px; min-height: auto; }
  .prompt-card .prompt-text { font-size: 12.5px; }
  .pro-tip { padding: 18px 20px; margin-top: 36px; }
  .pro-tip p { font-size: 13.5px; }
  .character-card { padding: 24px 18px; }
  .ecosystem-footer { padding: 56px 0 40px; }
  .ecosystem-footer .container { padding-left: 16px; padding-right: 16px; }
  .ecosystem-grid { grid-template-columns: 1fr; }
  footer { padding: 48px 16px 32px; }
  footer .footer-links { gap: 14px; font-size: 12.5px; }
  .session-example { padding: 20px; }
  .install-step { padding-left: 0; }
  .final-cta { padding: 80px 0; }
}

@media (max-width: 360px) {
  /* 320–360 px: Galaxy Fold, iPhone SE 1. gen */
  .container { padding: 0 14px; }
  header.hero { padding: 120px 14px 52px; }
  header.hero h1 { font-size: 32px; line-height: 1.06; }
  header.hero .lede { font-size: 15.5px; line-height: 1.55; }
  .eyebrow { font-size: 10px; padding: 5px 11px; letter-spacing: 0.16em; }
  .stats { gap: 6px; }
  .stat { padding: 10px 12px; min-width: 78px; }
  .stat b { font-size: 20px; }
  .stat span { font-size: 10px; letter-spacing: 0.08em; }
  .cta { padding: 12px 18px; font-size: 13px; }
  .nav-links { padding: 6px 12px; gap: 12px; font-size: 11px; }
  .brand-bar { font-size: 11px; padding: 6px 12px; }
  .prompt-tab { padding: 7px 11px; font-size: 11.5px; gap: 6px; }
  .prompt-tab svg { width: 12px; height: 12px; }
  .prompt-card { padding: 16px 14px 12px; }
  .prompt-card .prompt-text { font-size: 12px; line-height: 1.55; }
  .pro-tip { padding: 16px 16px; }
  .character-card { padding: 22px 16px; }
  .character-card h3 { font-size: 22px; }
  .section-header h2 { font-size: 26px; }
  .ecosystem-footer { padding: 48px 0 36px; }
  .ecosystem-footer .container { padding-left: 14px; padding-right: 14px; }
  .ecosystem-footer h3 { font-size: 22px; }
  .ecosystem-grid a { padding: 12px 14px; font-size: 13px; }
  footer .footer-brand { font-size: 19px; }
  footer .footer-links { gap: 12px; font-size: 12px; }
}

/* ─────────────────────────────────────────────────────────────
   Standard breakpoint stack — 320 / 375 / 414 / 768 / 1024
   (kiegészíti a meglévő 360 / 480 / 720 / 860 px szabályokat)
   ───────────────────────────────────────────────────────────── */

/* 320 px — iPhone SE 1.gen, Galaxy Fold (zárva) */
@media (max-width: 320px) {
  .container { padding: 0 12px; }
  header.hero { padding: 116px 12px 48px; }
  header.hero h1 { font-size: 28px; }
  header.hero .lede { font-size: 14.5px; }
  .stats { flex-wrap: wrap; gap: 6px; }
  .stat { padding: 9px 11px; min-width: 70px; }
  .stat b { font-size: 18px; }
  .cta { padding: 12px 16px; font-size: 12.5px; }
  .section-header h2 { font-size: 24px; }
  .character-card h3 { font-size: 20px; }
  .prompt-tab { padding: 7px 10px; font-size: 11px; }
  .ecosystem-grid a { padding: 10px 12px; font-size: 12.5px; }
  /* Code block extra-tight horizontal scroll affordance */
  .code-block pre { padding: 18px 16px 14px; font-size: 11.5px; }
}

/* 360–375 px — iPhone SE 2.gen, iPhone 13 mini */
@media (min-width: 361px) and (max-width: 375px) {
  header.hero h1 { font-size: clamp(32px, 9vw, 40px); }
  .container { padding: 0 15px; }
}

/* 376–414 px — iPhone Plus, iPhone 11, Pro Max */
@media (min-width: 376px) and (max-width: 414px) {
  .container { padding: 0 17px; }
  header.hero h1 { font-size: clamp(34px, 9.2vw, 44px); }
}

/* 768 px — iPad portrait átmenet (720 és desktop között) */
@media (min-width: 721px) and (max-width: 768px) {
  .container { padding: 0 24px; }
  header.hero { padding: 156px 24px 72px; }
  .characters-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .prompt-panel.active { grid-template-columns: repeat(2, 1fr); }
  .ecosystem-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 1024 px — iPad landscape (desktop layout, enyhe sűrítés) */
@media (min-width: 769px) and (max-width: 1024px) {
  .container { padding: 0 28px; }
  .characters-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Code block @ 360 px — explicit scroll-affordance (Safari iOS no native indicator) */
@media (max-width: 360px) {
  .code-block pre {
    padding-bottom: 14px;
    scrollbar-width: thin;
  }
  .code-block pre::-webkit-scrollbar { height: 6px; }
  .code-block pre::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 3px;
  }
}

/* ═════════════════════════════════════════════════════════════
   v2 — Expert Flow main-site alignment (2026-06-06)
   Framed header · squared corners · grid frame close ·
   light + dark mode · solid violet emphasis
   ═════════════════════════════════════════════════════════════ */

/* ── Site header — framed box (matches expertflow.hu main site) ── */
.site-header {
  position: relative;
  z-index: 10;
  padding: 16px 24px 0;
}
.site-header-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 16px 28px;
  border: 1px solid var(--border-strong);
  background: transparent;
}
.site-logo {
  justify-self: start;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 24px;
  letter-spacing: -0.02em;
  color: var(--text);
  border: none;
  transition: color 0.2s var(--ease-out);
}
.site-logo:hover { color: var(--accent); }
.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px 26px;
}
.site-nav a {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  border: none;
  transition: color 0.2s var(--ease-out);
}
.site-nav a:hover { color: var(--text); }
.site-nav .site-nav-github { color: var(--accent); }
.site-nav .site-nav-github:hover { color: var(--accent-strong); }
.site-header-actions { justify-self: end; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s var(--ease-out), background 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}
.theme-toggle:hover { color: var(--text); background: var(--card); border-color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
/* dark → show sun (switch to light); light → show moon (switch to dark) */
.theme-toggle .icon-moon { display: none; }
html.light .theme-toggle .icon-sun { display: none; }
html.light .theme-toggle .icon-moon { display: block; }

@media (max-width: 860px) {
  .site-header { padding: 12px 16px 0; }
  .site-header-inner {
    grid-template-columns: 1fr auto;
    grid-template-areas: "logo actions" "nav nav";
    gap: 14px;
    padding: 14px 18px;
  }
  .site-logo { grid-area: logo; }
  .site-header-actions { grid-area: actions; }
  .site-nav {
    grid-area: nav;
    justify-content: flex-start;
    gap: 8px 18px;
    overflow-x: auto;
    flex-wrap: nowrap;
    white-space: nowrap;
    scrollbar-width: none;
  }
  .site-nav::-webkit-scrollbar { display: none; }
}

/* ── Hero — header is in normal flow now, trim top offset ─────── */
header.hero { padding: 88px 24px 96px; }
@media (max-width: 720px) { header.hero { padding: 64px 18px 72px; } }
@media (max-width: 480px) { header.hero { padding: 52px 16px 56px; } }
@media (max-width: 360px) { header.hero { padding: 44px 14px 48px; } }

/* ── Unified squared corners — match main-site sharp framing ──── */
:root {
  --radius-sm: 0px;
  --radius: 0px;
  --radius-lg: 0px;
}
/* eyebrow → plain mono text (no pill capsule), matches main site */
.eyebrow {
  background: none;
  border: none;
  padding: 0;
  border-radius: 0;
  color: var(--text-muted);
}

/* ── Cell-grids: close the open left + right outer edges ──────── */
.characters-grid,
.steps,
.platforms {
  border-left: 1px solid var(--border-cell);
  border-right: 1px solid var(--border-cell);
}

/* ── prompts-help: true center (brand.css p {max-width:68ch} broke it) ── */
.prompts-help {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Solid violet emphasis (drop the gradient text fill) ──────── */
.problem .quote-large em,
.pedagogy blockquote em {
  background: none;
  -webkit-background-clip: border-box;
  background-clip: border-box;
  color: var(--accent);
  font-style: italic;
}

/* ════════════════════════════════════════════════════════════
   LIGHT MODE — warm-paper palette (html.light), brand-matched
   ════════════════════════════════════════════════════════════ */
html, body { transition: background-color 0.3s ease, color 0.3s ease; }

html.light {
  color-scheme: light;

  /* style.css tokens */
  --bg: #f6f4ee;
  --bg-elev: #efece3;
  --bg-elev-2: #e7e3d8;
  --card: #fbf9f4;
  --card-hover: #f1eee5;
  --border: rgba(35, 33, 41, 0.12);
  --border-strong: rgba(35, 33, 41, 0.20);
  --border-cell: rgba(35, 33, 41, 0.15);
  --text: #232129;
  --text-muted: rgba(35, 33, 41, 0.66);
  --text-dim: rgba(35, 33, 41, 0.50);
  --accent: #6a57bf;
  --accent-soft: rgba(106, 87, 191, 0.10);
  --accent-strong: #564aa0;
  --accent-glow: rgba(106, 87, 191, 0.20);

  /* brand.css tokens (cell-grid, em, base .cta, callout, headings) */
  --color-background: #f6f4ee;
  --color-foreground: #232129;
  --color-foreground-soft: rgba(35, 33, 41, 0.74);
  --color-foreground-muted: rgba(35, 33, 41, 0.62);
  --color-foreground-dim: rgba(35, 33, 41, 0.40);
  --color-border: rgba(35, 33, 41, 0.12);
  --color-border-strong: rgba(35, 33, 41, 0.20);
  --color-surface: #efece3;
  --color-accent-violet: #6a57bf;
}

/* Light: neutralise the grain overlay (white noise is invisible on paper) */
html.light body::before { opacity: 0; }

/* ═════════════════════════════════════════════════════════════
   v3 — EXACT match to expertflow-v3-dark (2026-06-06)
   Zero rounded corners (buttons too) · bulletproof cell borders ·
   plain-icon theme toggle · uniform nav
   ═════════════════════════════════════════════════════════════ */

/* 1 — Everything rectangular. The reference has NO rounded corners,
       not even on buttons/tabs/chips. Override every pill + small radius. */
.cta, .cta-try, .cta-ghost, .cta-zip, .cta-github,
.prompt-tab, .toast, .copy-btn, .code-block .copy-btn,
.compare-tag, .pedagogy .pedagogy-tag, .pro-tip, .callout,
.pedagogy .pedagogy-context, .skip-link, .notfound-eyebrow,
.character-card .icon, .install-path, .ecosystem-grid a {
  border-radius: 0 !important;
}

/* 2 — Theme toggle = bare icon button (no circle), like the reference */
.theme-toggle {
  width: auto;
  height: auto;
  padding: 6px;
  border: none;
  border-radius: 0;
  background: transparent;
}
.theme-toggle:hover {
  background: transparent;
  border-color: transparent;
  color: var(--text);
}

/* 3 — Nav GitHub link uses the same muted treatment (uniform top nav) */
.site-nav .site-nav-github { color: var(--text-muted); }
.site-nav .site-nav-github:hover { color: var(--text); }

/* 4 — Bulletproof cell borders via "gap-as-border": the grid background is
       the line colour, 1px gaps reveal it, opaque cells cover the rest, and a
       1px outer border closes the frame. No doubles, no missing edges, no
       rounded corners — identical at any responsive column count.
       This fully supersedes the earlier per-cell border hacks. */
.characters-grid,
.steps,
.platforms {
  gap: 1px !important;
  background: var(--border-cell);
  border: 1px solid var(--border-cell);
}
.characters-grid > *,
.steps > *,
.platforms > * {
  border: none !important;
  background: var(--bg) !important;
}
.characters-grid > *:hover,
.steps > *:hover,
.platforms > *:hover {
  background: var(--bg-elev) !important;
}

/* 5 — Primary CTA stays accent-filled but rectangular; hover still shifts colour */
.cta-try { border-radius: 0 !important; }

/* ═════════════════════════════════════════════════════════════
   v4 — header nav spacing + visible card hover (2026-06-06)
   ═════════════════════════════════════════════════════════════ */

/* Nav links were cramped — more breathing room, stay centered */
.site-nav { gap: 10px 40px; }

/* Cards should LIGHT UP on hover (violet tint), not sit flat grey.
   Overrides the v3 bg-elev hover. */
.characters-grid > *:hover,
.steps > *:hover,
.platforms > *:hover {
  background: var(--accent-soft) !important;
}

/* ═════════════════════════════════════════════════════════════
   v5 — character card internals: stop the "line soup" / blending
   ═════════════════════════════════════════════════════════════ */

/* Drop the internal hairline dividers — they made every block blend into
   a uniform grey texture. Use spacing + accent labels for clear separation. */
.character-card .role { margin-bottom: 28px; }

.character-card .helps,
.character-card .when-use {
  border-top: none;
  padding-top: 0;
  margin-top: 26px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Labels pop in violet so each section reads as its own thing */
.character-card .helps strong,
.character-card .when-use strong {
  color: var(--accent);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

/* ═════════════════════════════════════════════════════════════
   v6 — make the cell gridlines actually VISIBLE (were too faint:
   #232327 on near-black read as "no divider line")
   ═════════════════════════════════════════════════════════════ */
.characters-grid,
.steps,
.platforms {
  background: rgba(223, 222, 218, 0.22) !important;
  border-color: rgba(223, 222, 218, 0.22) !important;
}
html.light .characters-grid,
html.light .steps,
html.light .platforms {
  background: rgba(35, 33, 41, 0.22) !important;
  border-color: rgba(35, 33, 41, 0.22) !important;
}

/* ═════════════════════════════════════════════════════════════
   v7.1 — RELIABLE dividers via borders. The CELL draws LEFT+TOP:
   the later-painted cell owns the divider, so a fractional-width
   neighbour's background can never paint over it (that's what ate
   the last internal divider in v7). Container closes the frame
   with RIGHT+BOTTOM. Every line rendered exactly once.
   ═════════════════════════════════════════════════════════════ */
:root { --grid-line: rgba(223, 222, 218, 0.20); }
html.light { --grid-line: rgba(35, 33, 41, 0.22); }

.characters-grid,
.steps,
.platforms {
  gap: 0 !important;
  background: transparent !important;
  border: none !important;
  border-right: 1px solid var(--grid-line) !important;
  border-bottom: 1px solid var(--grid-line) !important;
}
.characters-grid > *,
.steps > *,
.platforms > *,
.characters-grid .character-card,
.steps .step,
.platforms .platform {
  border: none !important;
  border-left: 1px solid var(--grid-line) !important;
  border-top: 1px solid var(--grid-line) !important;
  background: var(--bg) !important;
}
.characters-grid .character-card:hover,
.steps .step:hover,
.platforms .platform:hover {
  background: var(--accent-soft) !important;
}

/* ═════════════════════════════════════════════════════════════
   v8 — mobil: a telepítési prompt (code-block) törjön sorba, hogy
   a teljes GitHub-URL látszódjon vízszintes scroll/levágás nélkül
   ═════════════════════════════════════════════════════════════ */
@media (max-width: 720px) {
  .code-block pre {
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    overflow-x: visible;
  }
}

/* ═════════════════════════════════════════════════════════════
   v9 — audit-javítások (AI review-csoport, 2026-06-12)
   ═════════════════════════════════════════════════════════════ */

/* span-re váltott prompt-kártya belsők (érvényes HTML: button-ben
   nem lehet p/div) — a block viselkedés megtartása */
.prompt-card .prompt-text { display: block; margin: 0; }

/* JS nélkül (CSP miatt a noscript-beli inline style tilos volt):
   fülek elrejtve, minden panel látható, panel-címke a data-label-ből */
html:not(.js) .prompt-tabs { display: none !important; }
html:not(.js) .prompt-panel,
html:not(.js) .prompt-panel[hidden] {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}
html:not(.js) .prompt-panel::before {
  content: attr(data-label);
  grid-column: 1 / -1;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent, #b9a7e0);
  margin-bottom: 4px;
}
.noscript-note {
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
  margin: 0 0 24px;
}

/* Telepítés-záró és prompts-help sor: mindig a konténer közepén */
.install-meta,
.prompts-help {
  margin-left: auto;
  margin-right: auto;
}

/* Pedagógia díszidézőjel: a kártya felső éle elvágta („két szürke
   folt” hatás) — bevisszük a kártyán belülre */
.pedagogy { overflow: hidden; }
.pedagogy::before { top: -16px; left: 16px; font-size: 160px; opacity: 0.07; }

/* Mobil nav: ne vesszen el a Pedagógia + Telepítés link — két sorba
   törhet, nem kell láthatatlan vízszintes görgetés */
@media (max-width: 720px) {
  .site-nav {
    flex-wrap: wrap !important;
    white-space: normal !important;
    overflow-x: visible !important;
    justify-content: flex-start;
    row-gap: 6px;
  }
}
