/* ============================================================
   KLARWEG · site.css
   Shared shell for non-roadmap pages (About, Courses, Goethe,
   Ausbildung, Resources, Contact). Tokens + nav + footer + buttons
   are byte-for-byte matched to the roadmap pages (a1–c2.html) so the
   site reads as one product. Sanctioned by Klarweg OS §17.2
   ("a build script can extract shared modules to a single bundle").
   ============================================================ */
:root {
  --bg-canvas:        #FAFAF7;
  --bg-surface:       #FFFFFF;
  --bg-warm:          #FFF8EC;
  --bg-warm-soft:     #FFFCF4;
  --bg-elevated:      #F4F3EE;

  --ink-primary:      #0E0E10;
  --ink-secondary:    #3A3A40;
  --ink-tertiary:     #6F6F73;
  --ink-quaternary:   #A5A5AC;

  --hairline-light:   rgba(14, 14, 16, 0.05);
  --hairline:         rgba(14, 14, 16, 0.09);
  --hairline-strong:  rgba(14, 14, 16, 0.18);

  --shadow-soft:      0 1px 2px rgba(64, 40, 10, 0.04), 0 4px 12px rgba(64, 40, 10, 0.05);
  --shadow-card:      0 1px 3px rgba(64, 40, 10, 0.05), 0 8px 24px rgba(64, 40, 10, 0.06);
  --shadow-glow:      0 1px 3px rgba(64, 40, 10, 0.05), 0 12px 36px rgba(234, 88, 12, 0.06), 0 0 0 1px rgba(24, 95, 165, 0.08);
  --shadow-modal:     0 2px 8px rgba(64, 40, 10, 0.08), 0 24px 64px rgba(64, 40, 10, 0.12);

  --r-xs: 6px; --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-full: 999px;

  --g-subject: #185FA5; --g-verb: #DC2626; --g-object: #2E7D32;
  --g-time: #7C3AED; --g-place: #EA580C; --g-akkusativ: #10B981; --g-dativ: #5C7A1D;
  --accent: #1F4E4A; --coral: #E55A3F; --coral-text: #C9371B;

  --dur-fast: 150ms; --dur-base: 250ms; --dur-slow: 400ms; --dur-xl: 600ms;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);

  --font-display: 'Fraunces', Georgia, serif;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-german: 'Fraunces', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--ink-primary);
  background: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }

/* ---------- layout ---------- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 32px; }
section { padding: 88px 0; }
@media (max-width: 768px) {
  .container, .container-narrow { padding: 0 20px; }
  section { padding: 64px 0; }
}

/* ---------- typography ---------- */
.eyebrow {
  font-size: 12px; font-weight: 500; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-tertiary); font-family: var(--font-ui);
}
.display-xl, .display-lg, .display-md, .display-sm {
  font-family: var(--font-display); font-weight: 500; line-height: 1.05;
  letter-spacing: -0.03em; color: var(--ink-primary); margin: 0;
  overflow-wrap: break-word;
}
.display-xl { font-size: clamp(44px, 7.5vw, 88px); letter-spacing: -0.04em; }
.display-lg { font-size: clamp(38px, 6vw, 64px); }
.display-md { font-size: clamp(30px, 4.6vw, 48px); }
.display-sm { font-size: clamp(26px, 3.4vw, 32px); letter-spacing: -0.02em; }
.lede { font-size: 22px; line-height: 1.5; color: var(--ink-secondary); margin: 0; letter-spacing: -0.01em; }
.link-btn {
  background: none; border: none; padding: 0; margin: 0; cursor: pointer;
  font: inherit; font-weight: 600; color: var(--accent);
  text-decoration: underline; text-underline-offset: 3px;
}
.link-btn:hover { color: var(--coral-text); }
.link-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.de-italic { font-family: var(--font-german); font-style: italic; font-weight: 500; }
.accent { font-family: var(--font-german); font-style: italic; font-weight: 500; }
.measure { max-width: 680px; }
@media (max-width: 768px) {
  .display-xl { font-size: clamp(38px, 11vw, 52px); }
  .display-lg { font-size: 40px; }
  .display-md { font-size: 32px; }
  .display-sm { font-size: 26px; }
  .lede { font-size: 19px; }
}

/* ---------- nav (matched to roadmaps) ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 247, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--hairline-light);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between; height: 56px;
}
.nav-logo { font-family: var(--font-display); font-weight: 600; font-size: 20px; letter-spacing: -0.02em; color: var(--ink-primary); }
.skip-link {
  position: absolute; top: -48px; left: 12px; z-index: 9999;
  padding: 12px 18px; background: var(--ink-primary); color: var(--bg-surface);
  border-radius: 8px; font-size: 14px; font-weight: 600; transition: top 150ms ease;
}
.skip-link:focus { top: 12px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: 14px; color: var(--ink-secondary); font-weight: 500; transition: color var(--dur-fast) var(--ease); }
.nav-links a:hover { color: var(--ink-primary); }
.nav-links a.active { color: var(--ink-primary); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 8px; text-decoration-color: var(--hairline-strong); }
.nav-links a:focus-visible { outline: 2px solid var(--ink-primary); outline-offset: 4px; border-radius: 4px; }
/* Header action pair: Login / My Account (quiet, bordered) and the CTA
   (solid ink) share one height, radius and type so they read as a set.
   Hover changes colour; the CTA also lifts 1px (never scale). */
.nav-login, .nav-cta {
  display: inline-flex; align-items: center; justify-content: center; box-sizing: border-box;
  height: 36px; padding: 0 16px; border: 1px solid transparent; border-radius: var(--r-full);
  font-size: 14px; font-weight: 500; line-height: 1;
  transition: color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.nav-login { color: var(--ink-primary); background: transparent; border-color: var(--hairline-strong); }
.nav-login:hover { color: var(--ink-primary); background: var(--bg-surface); border-color: rgba(14, 14, 16, 0.3); }
.nav-cta { color: var(--bg-surface); background: var(--ink-primary); border-color: var(--ink-primary); }
.nav-cta:hover { color: var(--bg-surface); background: #26262B; border-color: #26262B; transform: translateY(-1px); box-shadow: var(--shadow-soft); }
.nav-login:focus-visible, .nav-cta:focus-visible { outline: 2px solid var(--ink-primary); outline-offset: 2px; }
/* Header actions on narrow phones: below 460px "Login"/"My Account" lives in
   the drawer only, and below 340px the CTA does too, so the bar never wraps
   or pushes the hamburger off-screen. Both stay in .mobile-nav-actions. */
.nav-login, .nav-cta { white-space: nowrap; }
@media (max-width: 459px) { .nav-actions .nav-login { display: none; } }
@media (max-width: 339px) { .nav-actions .nav-cta { display: none; } }
.nav-actions { display: flex; align-items: center; gap: 12px; }
/* Header Login / My Account link while the session check is in flight
   (kw-nav-auth.js): it keeps its place but is not shown, so a signed-in
   learner never sees "Login" flash first. The delayed reveal shows the
   static "Login" text on its own if the check never answers. */
.js-nav-login[data-auth-pending], .js-nav-cta[data-auth-pending] { visibility: hidden; animation: kw-nav-auth-reveal 0s linear 2.5s forwards !important; }
@keyframes kw-nav-auth-reveal { to { visibility: visible; } }
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  margin-left: 4px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-hamburger-bar { display: block; width: 20px; height: 2px; background: var(--ink-primary); border-radius: 2px; }
.nav-hamburger:focus-visible { outline: 2px solid var(--ink-primary); outline-offset: 2px; }
.mobile-nav-overlay { position: fixed; inset: 0; background: rgba(14, 14, 16, 0.45); z-index: 90; }
.mobile-nav {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(320px, 86vw);
  background: var(--bg-surface); z-index: 91; box-shadow: -8px 0 32px rgba(14, 14, 16, 0.16);
  display: flex; flex-direction: column; padding: 20px; overflow-y: auto; box-sizing: border-box;
}
.mobile-nav-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.mobile-nav-logo { font-family: var(--font-display); font-weight: 600; font-size: 18px; color: var(--ink-primary); }
.mobile-nav-close {
  width: 44px; height: 44px; border: none; background: transparent; font-size: 18px;
  color: var(--ink-secondary); cursor: pointer; border-radius: 8px;
}
.mobile-nav-close:hover { background: var(--bg-elevated); color: var(--ink-primary); }
.mobile-nav-close:focus-visible { outline: 2px solid var(--ink-primary); outline-offset: 2px; }
.mobile-nav-links { display: flex; flex-direction: column; gap: 2px; margin-bottom: 20px; }
.mobile-nav-links a {
  padding: 12px 10px; font-size: 16px; font-weight: 500; color: var(--ink-primary);
  border-radius: 8px; min-height: 44px; display: flex; align-items: center; box-sizing: border-box;
}
.mobile-nav-links a:hover, .mobile-nav-links a:focus-visible, .mobile-nav-links a.active { background: var(--bg-elevated); }
.mobile-nav-links a:focus-visible { outline: 2px solid var(--ink-primary); outline-offset: -2px; }
.mobile-nav-actions {
  display: flex; flex-direction: column; gap: 10px; margin-top: auto; padding-top: 20px;
  border-top: 1px solid var(--hairline-light);
}
.mobile-nav-actions a { min-height: 44px; display: flex; align-items: center; justify-content: center; box-sizing: border-box; }
.mobile-nav-actions .nav-login, .mobile-nav-actions .nav-cta { height: 44px; width: 100%; font-size: 15px; }
/* .mobile-nav/-overlay set their own `display`, which has the same
   specificity as the UA stylesheet's [hidden]{display:none} — without
   this override an author `display` rule wins the cascade and the
   "hidden" drawer stays rendered (and clickable) on top of the page. */
.mobile-nav[hidden], .mobile-nav-overlay[hidden] { display: none; }
body.mobile-nav-open { overflow: hidden; }
@media (max-width: 860px) {
  .nav-inner { padding: 12px 20px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-actions a { min-height: 44px; display: inline-flex; align-items: center; box-sizing: border-box; }
}
@media (min-width: 861px) {
  .mobile-nav-overlay, .mobile-nav { display: none !important; }
}

/* ---------- buttons (matched) ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 22px;
  border-radius: var(--r-lg); font-size: 15px; font-weight: 500; letter-spacing: -0.005em;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-fast) var(--ease);
  border: 1px solid transparent; min-height: 44px; cursor: pointer;
}
.btn-primary { background: var(--coral); color: #fff; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 12px 28px rgba(229,90,63,0.22); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { background: var(--bg-surface); color: var(--ink-primary); border-color: var(--hairline); border-radius: var(--r-md); }
.btn-secondary:hover { transform: translateY(-1px); border-color: var(--hairline-strong); box-shadow: var(--shadow-soft); }
.btn-arrow { transition: transform var(--dur-base) var(--ease); }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- pills (matched) ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px;
  border-radius: var(--r-full); font-size: 12px; font-weight: 500; letter-spacing: -0.005em;
  border: 1px solid var(--hairline); background: var(--bg-surface); color: var(--ink-secondary);
}
.pill-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-tertiary); }
.pill-free { background: rgba(46, 125, 50, 0.08); border-color: rgba(46, 125, 50, 0.2); color: var(--g-object); }
.pill-free .pill-dot { background: var(--g-object); }

/* ---------- page hero ---------- */
.page-hero { position: relative; padding: 96px 0 64px; overflow: hidden; }
.page-hero .eyebrow-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 22px; }
.page-hero h1 { margin: 0 0 22px; }
.page-hero .lede { max-width: 640px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
@media (max-width: 768px) { .page-hero { padding: 64px 0 40px; } }

/* ---------- section header ---------- */
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head .eyebrow { display: block; margin-bottom: 16px; }
.section-head h2 { margin: 0 0 18px; }
.section-warm { background: var(--bg-warm); border-top: 1px solid var(--hairline-light); border-bottom: 1px solid var(--hairline-light); }
.section-elevated { background: var(--bg-elevated); }

/* ---------- generic card + grids ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-surface); border: 1px solid var(--hairline); border-radius: var(--r-lg);
  padding: 32px; transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}
.card-hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); border-color: var(--hairline-strong); }
.card-num { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--ink-tertiary); text-transform: uppercase; }
.card h3 { font-family: var(--font-display); font-weight: 600; font-size: 22px; letter-spacing: -0.02em; margin: 14px 0 10px; }
.card p { margin: 0; font-size: 15.5px; line-height: 1.55; color: var(--ink-secondary); }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--accent); }
.card-link svg { transition: transform var(--dur-base) var(--ease); }
.card:hover .card-link svg { transform: translateX(3px); }

/* level card (Courses) */
.level-card { display: flex; flex-direction: column; }
.level-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: var(--r-md);
  font-family: var(--font-display); font-weight: 600; font-size: 24px; color: #fff;
}
.level-meta { font-size: 13.5px; color: var(--ink-tertiary); margin-top: 4px; }

/* ---------- feature list ---------- */
.flist { display: flex; flex-direction: column; gap: 14px; margin: 0; padding: 0; list-style: none; }
.flist li { display: flex; gap: 12px; align-items: flex-start; font-size: 16px; color: var(--ink-secondary); line-height: 1.5; }
.flist .tick { flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%; background: rgba(46,125,50,0.12); color: var(--g-object); display: flex; align-items: center; justify-content: center; margin-top: 1px; }
.flist .tick svg { width: 13px; height: 13px; }

/* ---------- manifesto list (numbered principles, no card chrome) ---------- */
.manifesto-list { display: flex; flex-direction: column; }
.manifesto-item { display: flex; gap: 28px; align-items: flex-start; padding: 32px 0; border-top: 1px solid var(--hairline-light); }
.manifesto-item:last-child { border-bottom: 1px solid var(--hairline-light); }
.manifesto-num { font-family: var(--font-display); font-size: 40px; font-weight: 400; line-height: 1; color: var(--ink-quaternary); flex: 0 0 auto; width: 64px; }
.manifesto-item h3 { font-family: var(--font-display); font-weight: 600; font-size: 22px; letter-spacing: -0.01em; margin: 0 0 8px; }
.manifesto-item p { margin: 0; font-size: 15.5px; line-height: 1.6; color: var(--ink-secondary); max-width: 560px; }
@media (max-width: 480px) {
  .manifesto-num { font-size: 28px; width: 44px; }
  .manifesto-item { gap: 16px; }
}

/* ---------- table (outcomes / exam) ---------- */
.ktable { width: 100%; background: var(--bg-surface); border: 1px solid var(--hairline); border-radius: var(--r-lg); overflow: hidden; border-collapse: collapse; }
.ktable th, .ktable td { text-align: left; padding: 18px 22px; border-bottom: 1px solid var(--hairline-light); font-size: 15px; vertical-align: top; }
.ktable th { font-family: var(--font-ui); font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-tertiary); background: var(--bg-canvas); }
.ktable tr:last-child td { border-bottom: 0; }
.ktable td.lvl { font-family: var(--font-display); font-weight: 600; font-size: 18px; }
.ktable .mono { font-family: var(--font-mono); font-size: 13px; color: var(--ink-tertiary); }
@media (max-width: 760px) { .ktable, .ktable thead, .ktable tbody, .ktable th, .ktable td, .ktable tr { display: block; } .ktable thead { display: none; } .ktable td { border: 0; padding: 4px 18px; } .ktable tr { border-bottom: 1px solid var(--hairline); padding: 14px 0; } }

/* ---------- FAQ / accordion ---------- */
.faq { border-top: 1px solid var(--hairline); }
.faq-item { border-bottom: 1px solid var(--hairline); }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 0; text-align: left; font-size: 18px; font-weight: 500; color: var(--ink-primary); }
.faq-q .chev { flex: 0 0 auto; transition: transform var(--dur-base) var(--ease); color: var(--ink-tertiary); }
.faq-item.open .chev { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height var(--dur-slow) var(--ease); }
.faq-a-inner { padding: 0 0 22px; font-size: 16px; color: var(--ink-secondary); line-height: 1.6; max-width: 760px; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--bg-warm); border-top: 1px solid var(--hairline-light); }
.cta-band .inner { text-align: center; max-width: 680px; margin: 0 auto; }
.cta-band h2 { margin: 0 0 16px; }
.cta-band .lede { margin: 0 auto 32px; }
.cta-band .hero-ctas { justify-content: center; }

/* ---------- contact form ---------- */
.form-row { display: flex; flex-direction: column; gap: 7px; margin-bottom: 20px; }
.form-row label { font-size: 13px; font-weight: 600; color: var(--ink-secondary); }
.form-row input, .form-row textarea, .form-row select {
  font-family: var(--font-ui); font-size: 16px; color: var(--ink-primary);
  background: var(--bg-surface); border: 1px solid var(--hairline); border-radius: var(--r-md);
  padding: 13px 15px; transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31,78,74,0.12); }
.form-row textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 13px; color: var(--ink-tertiary); margin-top: 4px; }

/* ---------- footer (matched) ---------- */
footer { padding: 64px 0 48px; border-top: 1px solid var(--hairline-light); background: var(--bg-canvas); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .nav-logo { font-size: 22px; }
.footer-brand p { font-size: 14px; color: var(--ink-tertiary); margin: 14px 0 0; max-width: 280px; line-height: 1.55; }
.footer-col h3, .footer-col h4 { font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-tertiary); margin: 0 0 16px; }
.footer-col a { display: block; font-size: 14px; color: var(--ink-secondary); margin-bottom: 11px; transition: color var(--dur-fast) var(--ease); }
.footer-col a:hover { color: var(--ink-primary); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; padding-top: 28px; border-top: 1px solid var(--hairline-light); }
.footer-meta { font-size: 13px; color: var(--ink-tertiary); }
.footer-links { display: flex; flex-wrap: wrap; gap: 24px; }
.footer-links a { font-size: 13px; color: var(--ink-tertiary); transition: color var(--dur-fast) var(--ease); }
.footer-links a:hover { color: var(--ink-primary); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } .footer-inner { flex-direction: column; align-items: flex-start; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity var(--dur-xl) var(--ease), transform var(--dur-xl) var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }