@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Serif:wght@500;600&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #222222;
  --secondary: #f7f7f7;
  --surface: #ffffff;
  --accent: #0066cc;
  --text: #222222;
  --text-light: #666666;
  --border: #e0e0e0;
  --shadow: rgba(0, 0, 0, 0.06);
  --radius: 6px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --max-width: 1140px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: "IBM Plex Serif", "IBM Plex Sans", serif;
  line-height: 1.3;
}

/* ─── Header ─── */
header {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 56px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-img {
  height: 22px;
  width: auto;
  display: block;
}

.logo-x {
  font-size: 1rem;
  color: var(--text-light);
  font-weight: 300;
  line-height: 1;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-links li {
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-light);
  font-size: 0.9rem;
  transition: color 0.2s;
  line-height: 1;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-cta {
  background: var(--primary) !important;
  color: white !important;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius);
  font-weight: 500 !important;
  transition: background 0.2s !important;
  white-space: nowrap;
}

.nav-cta:hover {
  background: #444 !important;
  color: white !important;
  text-decoration: none !important;
}

/* ─── Section Actions ─── */
.section-actions {
  margin-top: var(--spacing-lg);
}

/* ─── Main ─── */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ─── Hero ─── */
.hero {
  padding: var(--spacing-3xl) var(--spacing-lg);
  text-align: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-kicker {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: var(--spacing-lg);
  color: var(--primary);
  font-weight: 600;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.25;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
  line-height: 1.8;
}

.hero-funding {
  font-size: 0.9rem !important;
  color: var(--text-light);
  max-width: 600px;
  margin: var(--spacing-md) auto var(--spacing-md) !important;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--secondary);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
}

.hero-highlight {
  font-size: 1.05rem !important;
  font-weight: 600;
  color: var(--primary) !important;
  max-width: 600px;
  margin: var(--spacing-md) auto var(--spacing-lg) !important;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.hero .cta-button {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.hero .cta-button:hover {
  background: #444;
}

.hero .cta-secondary {
  background: var(--secondary);
  color: var(--text);
  border: 1px solid var(--border);
}

.hero .cta-secondary:hover {
  background: var(--border);
}

/* ─── Sections ─── */
section {
  padding: var(--spacing-3xl) 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
}

section h2 {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-md);
  color: var(--primary);
  font-weight: 600;
}

section > p {
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
}

section h3 {
  font-size: 1.15rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
}

/* ─── Grid ─── */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-item {
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) calc(var(--spacing-lg) + 4px);
  background: var(--surface);
  border-radius: var(--radius);
  transition: box-shadow 0.25s, transform 0.25s;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  display: flex;
  flex-direction: column;
}

.grid-item:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.grid-item h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
  font-size: 1.15rem;
  line-height: 1.35;
}

.grid-item p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.grid-item a {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.4em 1em;
  border-radius: 100px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  align-self: flex-start;
}

.grid-item a:hover {
  background: var(--accent);
  color: var(--surface);
}

.field-grid {
  grid-template-columns: repeat(3, 1fr);
}

.playbook-scroll-hint {
  display: none;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: var(--spacing-xs);
  letter-spacing: 0.02em;
}

.field-grid .grid-item {
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: center;
  padding: var(--spacing-md) var(--spacing-lg);
}

.field-grid .grid-item h3 {
  font-size: 0.95rem;
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 500;
}

/* ─── Playbook Color Variants ─── */
.playbook-green  { border-left-color: #2e7d32; }
.playbook-blue   { border-left-color: #0066cc; }
.playbook-purple  { border-left-color: #7b1fa2; }
.playbook-teal   { border-left-color: #00838f; }
.playbook-orange  { border-left-color: #e65100; }
.playbook-red    { border-left-color: #c62828; }
.playbook-amber  { border-left-color: #f57f17; }
.playbook-indigo  { border-left-color: #283593; }
.playbook-slate  { border-left-color: #455a64; }

.playbook-green  a { color: #2e7d32; border-color: #2e7d32; }
.playbook-green  a:hover { background: #2e7d32; color: #fff; }
.playbook-blue   a { color: #0066cc; border-color: #0066cc; }
.playbook-blue   a:hover { background: #0066cc; color: #fff; }
.playbook-purple  a { color: #7b1fa2; border-color: #7b1fa2; }
.playbook-purple  a:hover { background: #7b1fa2; color: #fff; }
.playbook-teal   a { color: #00838f; border-color: #00838f; }
.playbook-teal   a:hover { background: #00838f; color: #fff; }
.playbook-orange  a { color: #e65100; border-color: #e65100; }
.playbook-orange  a:hover { background: #e65100; color: #fff; }
.playbook-red    a { color: #c62828; border-color: #c62828; }
.playbook-red    a:hover { background: #c62828; color: #fff; }
.playbook-amber  a { color: #bf6c00; border-color: #bf6c00; }
.playbook-amber  a:hover { background: #bf6c00; color: #fff; }
.playbook-indigo  a { color: #283593; border-color: #283593; }
.playbook-indigo  a:hover { background: #283593; color: #fff; }
.playbook-slate  a { color: #455a64; border-color: #455a64; }
.playbook-slate  a:hover { background: #455a64; color: #fff; }

/* ─── Playbook Tags ─── */
.playbook-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35em;
  margin-bottom: var(--spacing-sm);
}

.playbook-tags .tag {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.15em 0.6em;
  border-radius: 100px;
  background: var(--secondary);
  color: var(--text-light);
  letter-spacing: 0.02em;
}

.playbook-green  .tag { background: #e8f5e9; color: #2e7d32; }
.playbook-blue   .tag { background: #e3f2fd; color: #0066cc; }
.playbook-purple  .tag { background: #f3e5f5; color: #7b1fa2; }
.playbook-teal   .tag { background: #e0f7fa; color: #00838f; }
.playbook-orange  .tag { background: #fff3e0; color: #e65100; }
.playbook-red    .tag { background: #ffebee; color: #c62828; }
.playbook-amber  .tag { background: #fff8e1; color: #bf6c00; }
.playbook-indigo  .tag { background: #e8eaf6; color: #283593; }
.playbook-slate  .tag { background: #eceff1; color: #455a64; }

/* ─── INQA Coach Badge ─── */
.inqa-coach-badge {
  margin-bottom: var(--spacing-md);
}

.inqa-coach-badge img {
  height: 40px;
  width: auto;
  opacity: 0.85;
}

/* ─── Steps ─── */
.steps {
  margin-top: var(--spacing-xl);
}

.step {
  display: flex;
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-xl);
  position: relative;
}

.step:last-child {
  padding-bottom: 0;
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

.step-content h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}

.step-content p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ─── Highlight ─── */
.highlight-box {
  background: var(--secondary);
  border-left: 3px solid var(--accent);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius);
}

.highlight-box strong {
  color: var(--primary);
}

/* ─── Contact Card ─── */
.contact-card {
  display: flex;
  gap: var(--spacing-xl);
  max-width: 640px;
  align-items: flex-start;
}

.contact-photo {
  flex-shrink: 0;
}

.contact-photo img {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(10%);
}

.contact-info h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-xs);
  font-size: 1.3rem;
}

.contact-role {
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
}

.contact-details {
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

.contact-details a {
  color: var(--text-light);
  text-decoration: none;
}

.contact-details a:hover {
  color: var(--accent);
}

.contact-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

/* ─── Lists ─── */
ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-light);
  font-size: 0.95rem;
}

strong {
  color: var(--primary);
  font-weight: 600;
}

/* ─── Links & Buttons ─── */
a {
  color: var(--accent);
}

a:hover {
  text-decoration: underline;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: #444;
  text-decoration: none;
}

.btn-secondary {
  background: var(--surface);
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--secondary);
}

/* ─── Team Photo & Ablauf Layout ─── */
.ablauf-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
  margin-top: var(--spacing-xl);
}

.team-photo {
  border-radius: var(--radius);
  overflow: hidden;
  position: sticky;
  top: calc(56px + var(--spacing-lg));
}

.team-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
}

.team-photo-caption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: var(--spacing-sm);
  font-style: italic;
}

@media (max-width: 768px) {
  .ablauf-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .team-photo {
    position: static;
    order: -1;
  }

  .team-photo img {
    aspect-ratio: 16 / 9;
    height: auto;
  }
}

/* ─── Playbook Detail Pages ─── */
.back-link {
  display: inline-block;
  margin-bottom: var(--spacing-lg);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.back-link:hover {
  text-decoration: underline;
}

.article-content h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.article-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.article-content p {
  margin-bottom: var(--spacing-md);
}

.article-content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.article-content li {
  margin-bottom: var(--spacing-xs);
}

.playbook-phases {
  margin-top: var(--spacing-xl);
}

.phase {
  background: var(--secondary);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.phase-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.phase-header h3 {
  margin: 0;
  font-size: 1.15rem;
}

.phase-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--surface);
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.3em 0.75em;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.phase-meta {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--text-light);
}

.phase ul {
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.phase li {
  margin-bottom: var(--spacing-xs);
}

.phase strong {
  display: block;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-family: "IBM Plex Sans", sans-serif;
}

/* ─── Footer ─── */
footer {
  background: var(--secondary);
  padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
  margin-top: var(--spacing-3xl);
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-light);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--border);
}

.footer-col-brand {
  display: flex;
  align-items: flex-start;
}

.footer-brand-link {
  display: inline-flex;
  align-items: center;
  opacity: 0.65;
  transition: opacity 0.2s;
}

.footer-brand-link:hover {
  opacity: 1;
}

.footer-brand-link img {
  height: 20px;
  width: auto;
}

.footer-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-light);
}

.footer-nav a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--primary);
}

.footer-col-contact p {
  margin-bottom: var(--spacing-xs);
  line-height: 1.6;
}

.footer-col-contact a {
  color: var(--text-light);
  text-decoration: none;
}

.footer-col-contact a:hover {
  color: var(--primary);
}

.footer-funding-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-light);
}

.footer-funding-bar img {
  height: 48px;
  width: auto;
  opacity: 0.7;
}

.footer-bottom {
  padding-top: var(--spacing-md);
  font-size: 0.8rem;
  color: var(--text-light);
}

footer a {
  color: var(--text-light);
  text-decoration: none;
}

footer a:hover {
  color: var(--primary);
  text-decoration: none;
}

/* ─── Legal / Single Pages ─── */
.home-content section {
  padding-left: 0;
  padding-right: 0;
}

article h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

article h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-size: 1.4rem;
}

article h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

article p {
  margin-bottom: var(--spacing-md);
  color: var(--text-light);
  line-height: 1.7;
}

article hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--spacing-xl) 0;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  :root {
    --spacing-3xl: 3rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: var(--spacing-md) var(--spacing-lg);
    gap: 0;
    box-shadow: 0 4px 12px var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    border-bottom: 1px solid var(--secondary);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    display: block;
    padding: var(--spacing-md) 0;
    font-size: 1rem;
  }

  .hero {
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .logo-img {
    height: 16px;
  }

  .logo-x {
    font-size: 0.85rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero .cta-button {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }

  main {
    padding: 0 var(--spacing-md);
  }

  section {
    padding: var(--spacing-2xl) 0;
  }

  section h2 {
    font-size: 1.5rem;
  }

  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Playbook slider on mobile */
  #playbooks .grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    margin-left: calc(-1 * var(--spacing-md));
    margin-right: calc(-1 * var(--spacing-md));
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  #playbooks .grid-item {
    min-width: 280px;
    max-width: 280px;
    scroll-snap-align: start;
    flex-shrink: 0;
  }

  #playbooks .grid::-webkit-scrollbar {
    height: 4px;
  }

  #playbooks .grid::-webkit-scrollbar-track {
    background: var(--secondary);
    border-radius: 2px;
  }

  #playbooks .grid::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
  }

  .playbook-scroll-hint {
    display: block;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .field-grid {
    grid-template-columns: 1fr 1fr;
  }

  .step {
    gap: var(--spacing-md);
  }

  .step:not(:last-child)::after {
    left: 15px;
    top: 36px;
  }

  .step-number {
    width: 32px;
    height: 32px;
    font-size: 0.8rem;
  }

  .contact-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .contact-photo img {
    width: 120px;
    height: 120px;
  }

  .contact-actions {
    justify-content: center;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }

  .footer-col-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .grid {
    grid-template-columns: 1fr;
  }

  /* Keep slider on small screens too */
  #playbooks .grid {
    display: flex;
    grid-template-columns: unset;
  }

  #playbooks .grid-item {
    min-width: 260px;
    max-width: 260px;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  nav {
    padding: var(--spacing-md);
  }
}