/* Spielleitstand — theme polish layer over pico.min.css
   Industrial B2B SaaS aesthetic: slate / teal / indigo, Inter type */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500&display=swap');

:root {
  --sl-slate-900: #0f172a;
  --sl-slate-800: #1e293b;
  --sl-slate-700: #334155;
  --sl-slate-500: #64748b;
  --sl-slate-300: #cbd5e1;
  --sl-slate-100: #f1f5f9;
  --sl-slate-50:  #f8fafc;
  --sl-teal-700:  #0f766e;
  --sl-teal-500:  #14b8a6;
  --sl-teal-300:  #5eead4;
  --sl-indigo-600:#4f46e5;
  --sl-indigo-400:#818cf8;
  --sl-amber-500: #f59e0b;
  --sl-coral-500: #f87171;

  /* Pico variable overrides */
  --pico-font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --pico-font-family-monospace: 'JetBrains Mono', ui-monospace, monospace;
  --pico-primary: var(--sl-teal-700);
  --pico-primary-hover: var(--sl-teal-500);
  --pico-color: var(--sl-slate-800);
  --pico-h1-color: var(--sl-slate-900);
  --pico-h2-color: var(--sl-slate-900);
  --pico-h3-color: var(--sl-slate-800);
  --pico-background-color: #ffffff;
  --pico-muted-color: var(--sl-slate-500);
  --pico-border-radius: 0.5rem;
  --pico-spacing: 1.25rem;
  --pico-typography-spacing-vertical: 1.5rem;
}

/* Type */
body {
  font-family: var(--pico-font-family);
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  color: var(--sl-slate-800);
  line-height: 1.65;
  background: #ffffff;
}

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--sl-slate-900);
}
h1 { font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 2.5vw, 2.25rem); line-height: 1.25; margin-top: 3rem; }
h3 { font-size: 1.35rem; line-height: 1.35; margin-top: 2rem; color: var(--sl-slate-800); }

hgroup p, hgroup h1 + p {
  font-size: 1.15rem;
  color: var(--sl-slate-500);
  font-weight: 400;
  margin-top: 0.75rem;
}

main.container { max-width: 1100px; padding: 2rem 1.5rem 4rem; }

/* Nav */
body > header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--sl-slate-100);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0.5rem 1.5rem;
}
body > header nav {
  max-width: 1100px;
  margin: 0 auto;
}
body > header nav a {
  color: var(--sl-slate-700);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.4rem 0.75rem;
  border-radius: 0.4rem;
  transition: background 0.15s, color 0.15s;
}
body > header nav a:hover {
  background: var(--sl-slate-100);
  color: var(--sl-slate-900);
}
body > header nav a strong:not(:first-of-type) {
  color: var(--sl-teal-700);
  background: var(--sl-teal-300);
  background: linear-gradient(135deg, var(--sl-teal-500), var(--sl-teal-700));
  color: #fff;
  padding: 0.45rem 0.95rem;
  border-radius: 0.45rem;
  box-shadow: 0 1px 2px rgba(15,118,110,0.2);
}
body > header nav ul:first-of-type li strong {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--sl-slate-900);
}

/* Footer */
body > footer {
  border-top: 1px solid var(--sl-slate-100);
  margin-top: 5rem;
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--sl-slate-500);
  font-size: 0.875rem;
}
body > footer a { color: var(--sl-slate-700); }

/* Hero */
.sl-hero {
  margin: -2rem -1.5rem 4rem;
  padding: 5rem 1.5rem 6rem;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(20,184,166,0.12), transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(79,70,229,0.10), transparent 50%),
    linear-gradient(180deg, var(--sl-slate-50) 0%, #fff 100%);
  border-bottom: 1px solid var(--sl-slate-100);
  position: relative;
  overflow: hidden;
}
.sl-hero hgroup { max-width: 1100px; margin: 0 auto; }
.sl-hero h1 { color: var(--sl-slate-900); }
.sl-hero p { color: var(--sl-slate-700); max-width: 700px; }
.sl-hero-img {
  display: block;
  max-width: 1100px;
  margin: 2.5rem auto 0;
  border-radius: 0.75rem;
  box-shadow: 0 20px 60px -20px rgba(15,23,42,0.35), 0 0 0 1px var(--sl-slate-100);
  width: 100%;
  height: auto;
}

/* Module card grid */
.sl-modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}
.sl-module {
  display: block;
  background: #fff;
  border: 1px solid var(--sl-slate-100);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.sl-module:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -10px rgba(15,23,42,0.12);
  border-color: var(--sl-teal-300);
}
.sl-module-icon {
  width: 56px;
  height: 56px;
  border-radius: 0.6rem;
  background: var(--sl-slate-50);
  border: 1px solid var(--sl-slate-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  overflow: hidden;
}
.sl-module-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sl-module h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.sl-module p { color: var(--sl-slate-500); margin: 0; font-size: 0.95rem; line-height: 1.5; }

/* Stats / metric callouts */
.sl-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2.5rem 0;
  padding: 2rem;
  background: var(--sl-slate-900);
  border-radius: 0.75rem;
  color: #fff;
}
.sl-stat { text-align: center; }
.sl-stat-num {
  display: block;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--sl-teal-300);
  font-family: var(--pico-font-family-monospace);
  letter-spacing: -0.02em;
}
.sl-stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--sl-slate-300);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* CTA button polish */
main a[href*="kontakt"] strong,
.sl-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--sl-teal-500), var(--sl-teal-700));
  color: #fff !important;
  padding: 0.7rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  margin-top: 1rem;
  box-shadow: 0 1px 2px rgba(15,118,110,0.2);
  transition: transform 0.15s, box-shadow 0.15s;
}
.sl-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px -2px rgba(15,118,110,0.35);
}

/* Article cards (lists) */
article {
  background: #fff;
  border: 1px solid var(--sl-slate-100);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin: 1rem 0;
  transition: border-color 0.15s, transform 0.15s;
}
article:hover {
  border-color: var(--sl-slate-300);
}
article h3 { margin-top: 0; }

/* Section divider */
.sl-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 3rem 0 1.5rem;
  color: var(--sl-slate-500);
  font-family: var(--pico-font-family-monospace);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.sl-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--sl-slate-100);
}

/* Logo wall (integrations) */
.sl-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
  padding: 2rem;
  background: var(--sl-slate-50);
  border-radius: 0.75rem;
}
.sl-logos > span {
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--sl-slate-700);
  padding: 0.75rem;
  background: #fff;
  border-radius: 0.4rem;
  border: 1px solid var(--sl-slate-100);
  font-family: var(--pico-font-family-monospace);
  letter-spacing: -0.01em;
}

/* Code blocks (chat dialog in use-case) */
blockquote, dl {
  background: var(--sl-slate-50);
  border-left: 3px solid var(--sl-teal-500);
  border-radius: 0.4rem;
  padding: 1rem 1.25rem;
  font-style: normal;
  margin: 1.5rem 0;
  color: var(--sl-slate-700);
  font-family: var(--pico-font-family-monospace);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Tables (impressum-style) */
table {
  margin: 1.5rem 0;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid var(--sl-slate-100);
}
th { background: var(--sl-slate-50); }

/* Whitepaper section */
.sl-whitepaper {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  align-items: center;
  background: var(--sl-slate-50);
  padding: 2rem;
  border-radius: 0.75rem;
  margin: 2rem 0;
}
.sl-whitepaper img {
  width: 100%;
  border-radius: 0.5rem;
  box-shadow: 0 12px 30px -10px rgba(15,23,42,0.18);
}
@media (max-width: 640px) {
  .sl-whitepaper { grid-template-columns: 1fr; }
}

/* About / office image */
.sl-office-img {
  width: 100%;
  border-radius: 0.75rem;
  margin: 2rem 0;
  box-shadow: 0 12px 30px -10px rgba(15,23,42,0.15);
}

/* Fade-in on load (subtle) */
@keyframes sl-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
main, .sl-hero {
  animation: sl-fade-in 0.4s ease-out both;
}
.sl-module, article {
  animation: sl-fade-in 0.5s ease-out both;
}

/* Selection */
::selection {
  background: var(--sl-teal-300);
  color: var(--sl-slate-900);
}

/* Responsive */
@media (max-width: 640px) {
  body > header { padding: 0.5rem 1rem; }
  .sl-hero { padding: 3rem 1rem 4rem; }
  .sl-stats { padding: 1.5rem; }
}