/* Walter lernt — wp-kurse.ch Stylesheet */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/fonts/InterVariable.woff2') format('woff2-variations');
}
@font-face {
  font-family: 'Inter Tight';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/InterTight-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter Tight';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/InterTight-700.woff2') format('woff2');
}

:root {
  --bg: #f7f9fa;
  --text: #363636;
  --heading: #1b262b;
  --muted: #6b7a82;
  --primary: #367991;
  --primary-hover: #2c6478;
  --border: #e4e7e9;
  --card-bg: #ffffff;
  --max-w: 1100px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --radius: 6px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* Skip-to-content (accessibility) */
.skip-link {
  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:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  clip: auto;
  background: var(--heading);
  color: #fff;
  padding: 0.7em 1.2em;
  z-index: 1000;
  border-radius: 0 0 var(--radius) 0;
  font-weight: 700;
  text-decoration: none;
}

:where(a, button, summary, input, [tabindex]):focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 2px;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  color: var(--heading);
  margin: 0 0 var(--space-3);
  letter-spacing: -0.01em;
}

h1 {
  font-family: 'Inter Tight', 'Inter', sans-serif;
  font-size: clamp(2.4rem, 5.5vw, 3.25rem);
  font-weight: 500;
  line-height: 1.23;
  margin-bottom: var(--space-4);
}

h2 {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
}

h3 {
  font-family: 'Inter Tight', 'Inter', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
}

p { margin: 0 0 var(--space-3); }
p:last-child { margin-bottom: 0; }

.nowrap { white-space: nowrap; }

a {
  color: var(--primary);
  text-decoration: none;
  text-underline-offset: 0.2em;
}
a:hover { text-decoration: underline; }

ul { padding-left: 1.2em; margin: 0 0 var(--space-3); }
li { margin-bottom: var(--space-1); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  max-width: var(--max-w);
  margin: 0 auto;
  gap: var(--space-3);
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--heading);
  flex-shrink: 0;
}
.logo:hover { text-decoration: none; }
.logo img {
  height: 52px;
  width: auto;
  display: block;
}
.logo-tag {
  font-family: 'Inter Tight', 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--muted);
  font-weight: 500;
  border-left: 1px solid var(--border);
  padding-left: 0.85rem;
  letter-spacing: 0;
  transform: translateY(4px);
}

/* Navigation */
nav.primary {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}
nav.primary a {
  color: var(--heading);
  font-size: 0.95rem;
  font-weight: 500;
}
nav.primary a[aria-current="page"] {
  color: var(--primary);
}

/* Hamburger toggle (hidden on desktop) */
.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 44px;
  height: 44px;
  padding: 0;
  cursor: pointer;
  position: relative;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--heading);
  margin: 5px auto;
  transition: transform 200ms ease, opacity 200ms ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 760px) {
  .logo-tag { display: none; }
  .logo img { height: 42px; }
  .menu-toggle { display: block; }
  nav.primary {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-2);
    gap: 0;
  }
  nav.primary[data-open="true"] { display: flex; }
  nav.primary a {
    padding: var(--space-2);
    border-bottom: 1px solid var(--border);
    font-size: 1.05rem;
  }
  nav.primary a:last-child { border-bottom: 0; }
}

/* Hero */
.hero {
  padding: var(--space-7) 0 var(--space-6);
}
.hero .subhead {
  font-size: 1.25rem;
  color: var(--muted);
  margin-bottom: var(--space-4);
  max-width: 36em;
  font-weight: 400;
}
.hero .lead {
  font-size: 1.1rem;
  max-width: 36em;
  margin-bottom: var(--space-4);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.9em 1.6em;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  border: 0;
  cursor: pointer;
  transition: background 120ms ease;
}
.btn:hover {
  background: var(--primary-hover);
  text-decoration: none;
  color: #fff;
}
.btn-secondary {
  background: transparent;
  color: var(--heading);
  border: 1px solid var(--border);
  padding: calc(0.9em - 1px) calc(1.6em - 1px);
}
.btn-secondary:hover {
  background: #fff;
  border-color: var(--heading);
  color: var(--heading);
}
.btn-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Sections */
section { padding: var(--space-6) 0; }
section.alt {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Breadcrumb */
.breadcrumb {
  font-size: 0.9rem;
  color: var(--muted);
  padding: var(--space-2) 0 0;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { padding: 0 0.4em; opacity: 0.5; }

/* Tiles */
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.tile {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
}
.tile h3 { margin-top: 0; }
.tile p {
  color: var(--text);
  flex: 1;
  margin-bottom: var(--space-3);
}
.tile .tile-cta {
  font-weight: 700;
  color: var(--primary);
}
.tile .tile-cta::after {
  content: ' →';
  display: inline-block;
  transition: transform 120ms ease;
}
.tile:hover .tile-cta::after { transform: translateX(2px); }

/* Reasons */
.reasons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}
.reason h3 {
  margin-bottom: var(--space-1);
  color: var(--primary);
  font-size: 1.1rem;
}
.reason p { color: var(--text); }

/* Kursleiter (Homepage / Standort / Online) */
.kursleiter-video {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  max-width: 760px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.kursleiter-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.kursleiter-text {
  max-width: 760px;
  margin: 0 auto;
}

/* Kursleiter — Layout für Kontaktseite (Foto + Text Seite an Seite) */
.kursleiter {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-5);
  align-items: center;
}
.kursleiter img {
  width: 100%;
  border-radius: var(--radius);
  display: block;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
@media (max-width: 720px) {
  .kursleiter { grid-template-columns: 1fr; }
  .kursleiter img { max-width: 240px; }
}

/* Testimonials */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.testimonial {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
}
.testimonial blockquote {
  margin: 0 0 var(--space-3);
  font-style: italic;
  color: var(--heading);
  font-size: 1rem;
}
.testimonial cite {
  font-style: normal;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--muted);
}
.testimonial-source {
  text-align: center;
  margin-top: var(--space-4);
  font-size: 0.95rem;
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: var(--space-3) 0;
}
.faq-item:last-child { border-bottom: 0; }
.faq-item summary {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--heading);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}
.faq-item summary::after {
  content: '+';
  color: var(--primary);
  font-size: 1.4rem;
  font-weight: 400;
  transition: transform 120ms ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin-top: var(--space-2); color: var(--text); }

/* Final CTA */
.final-cta {
  text-align: center;
  padding: var(--space-7) 0;
}
.final-cta h2 { margin-bottom: var(--space-3); }
.final-cta p { color: var(--muted); margin-bottom: var(--space-4); font-size: 1.1rem; }
.final-cta .btn-row { justify-content: center; }

/* Course-spezifische Sections */
.course-info {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-top: var(--space-4);
}
.course-info ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.course-info li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-3);
  align-items: baseline;
}
.course-info li:last-child { border-bottom: 0; }
.course-info li::before {
  content: attr(data-label);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
@media (max-width: 600px) {
  .course-info li {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* Notice / alternative box */
.notice {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  margin: var(--space-4) 0;
}
.notice p:last-child { margin-bottom: 0; }
.notice .links { margin-top: var(--space-2); display: flex; gap: var(--space-3); flex-wrap: wrap; font-weight: 600; }

/* Contact info block */
.contact-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}
.contact-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
}
.contact-card h3 { margin-top: 0; }
.contact-card a { font-weight: 700; }
.contact-card .meta { color: var(--muted); font-size: 0.9rem; margin-top: var(--space-1); }

/* Footer */
.site-footer {
  background: #1b262b;
  color: #c5cfd4;
  padding: var(--space-6) 0 var(--space-4);
  font-size: 0.95rem;
}
.site-footer .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
}
.site-footer h4 {
  color: #fff;
  margin: 0 0 var(--space-2);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.site-footer a { color: #c5cfd4; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: var(--space-1); }
.footer-bottom {
  border-top: 1px solid #2e3a40;
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  text-align: center;
  font-size: 0.85rem;
  color: #6b7a82;
}
.footer-bottom a { color: #6b7a82; }

@media (max-width: 720px) {
  .header-inner { padding: var(--space-2); }
  .hero { padding: var(--space-5) 0 var(--space-4); }
  section { padding: var(--space-5) 0; }
  body { font-size: 16px; }
}