/* bk99.de – Neugier:Lab
   Farbwelt: Orange #FF9900 (wie bisher) + Dunkelgrau, Roboto-System-Stack */

:root {
  --orange: #ff9900;
  --orange-light: #ffb84d;
  --orange-dark: #cc7a00;
  --ink: #1f1f1f;
  --ink-soft: #333333;
  --dark: #1a1a1a;
  --dark-2: #242424;
  --dark-3: #2e2e2e;
  --paper: #fff7ea;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Roboto, "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.05rem;
  line-height: 1.6;
  background: var(--orange);
  color: var(--ink);
}

img { max-width: 100%; height: auto; }

a { color: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--dark);
  color: var(--white);
  padding: 0.8rem 1.2rem;
  border-radius: 0 0 8px 0;
  text-decoration: none;
}
.skip-link:focus {
  left: 0;
  color: var(--orange);
}

:focus-visible {
  outline: 3px solid var(--orange-dark);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Social-Bar ---------- */
.social-bar {
  background: var(--dark);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 3px solid var(--orange);
}
.social-bar-tagline {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #cfcfcf;
}
.social-bar-list {
  list-style: none;
  display: flex;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
}
.social-bar-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: #e8e8e8;
  border-radius: 8px;
  transition: color 0.15s ease, background-color 0.15s ease;
}
.social-bar-list a:hover {
  color: var(--dark);
  background: var(--orange);
}
.social-bar-list svg {
  width: 10px;
  height: 10px;
  fill: currentColor;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--dark-2);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 4px solid var(--orange);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 10px;
}
.brand img { width: 44px; height: 51px; }
.brand-text {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
}
.brand-dot { color: var(--orange); }

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
}
.main-nav a {
  display: inline-block;
  padding: 0.7rem 0.95rem;
  min-height: 44px;
  line-height: 1.4;
  color: var(--orange);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.85rem;
  text-decoration: none;
  border-radius: 9px;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.main-nav a:hover {
  background: var(--orange);
  color: var(--dark);
}

/* ---------- Hero ---------- */
.hero {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 5rem) clamp(1rem, 4vw, 2.5rem);
  text-align: center;
}
.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  position: relative;
  display: inline-block;
}
.hero h1::after {
  content: "";
  display: block;
  width: 56px;
  height: 6px;
  margin: 0.6rem auto 0;
  background: var(--dark);
  border-radius: 3px;
}
.hero-lead {
  font-size: clamp(1.1rem, 2.6vw, 1.35rem);
  font-weight: 600;
  color: var(--ink-soft);
  margin: 1.2rem 0 0.5rem;
}
.hero-text {
  text-align: left;
  font-size: 1.02rem;
  color: var(--ink-soft);
}
.hero-text p { margin: 0 0 1rem; }
.hero-text em {
  font-style: italic;
  font-weight: 600;
  color: var(--ink);
}
.hero-closing {
  font-weight: 600;
  color: var(--ink);
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.35);
  border-left: 5px solid var(--dark);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ---------- Sektionen ---------- */
.section-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1rem, 4vw, 2.5rem);
}

.services {
  background: var(--dark);
  color: var(--white);
  border-top: 4px solid var(--orange);
  border-bottom: 4px solid var(--orange);
}
.services h2, .social h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.services h2 { color: var(--orange); }
.social h2 { color: var(--ink); }

/* ---------- Service-Karten ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
}
.service-card {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--dark-2);
  color: var(--white);
  text-decoration: none;
  padding: 1.1rem 1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.service-card:hover {
  background: var(--dark-3);
  border-color: var(--orange);
  transform: translateY(-3px);
}
.service-icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--orange);
  color: var(--dark);
}
.service-icon svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}
.service-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.service-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.service-desc {
  font-size: 0.82rem;
  color: #bdbdbd;
  line-height: 1.35;
}
.service-arrow {
  margin-left: auto;
  color: var(--orange);
  font-size: 1.3rem;
  font-weight: 700;
  flex: 0 0 auto;
}

/* ---------- Social-Sektion ---------- */
.social .section-inner { padding-top: clamp(2rem, 5vw, 3rem); padding-bottom: clamp(2rem, 5vw, 3.5rem); }
.social-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.9rem;
  margin: 0;
  padding: 0;
}
.social-grid a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  text-align: center;
  text-decoration: none;
  background: var(--paper);
  color: var(--ink);
  padding: 1.1rem 0.75rem;
  min-height: 44px;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
  transition: transform 0.15s ease, background-color 0.15s ease;
}
.social-grid a:hover {
  background: var(--white);
  transform: translateY(-3px);
}
.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--orange);
}
.social-icon svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}
.social-name {
  font-weight: 700;
  font-size: 0.98rem;
}
.social-handle {
  font-size: 0.8rem;
  color: var(--ink-soft);
  word-break: break-word;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--dark);
  color: #d6d6d6;
  border-top: 4px solid var(--orange);
  text-align: center;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.8rem;
  font-weight: 700;
  color: var(--white);
  font-size: 1.05rem;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem 1.4rem;
  margin: 0 0 1rem;
  padding: 0;
}
.footer-links a {
  color: var(--orange);
  text-decoration: none;
  padding: 0.4rem 0.2rem;
  display: inline-block;
}
.footer-links a:hover { text-decoration: underline; }
.footer-meta {
  margin: 0;
  font-size: 0.85rem;
  color: #9a9a9a;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
    padding-top: 0.8rem;
  }
  .main-nav {
    width: 100%;
  }
  .main-nav ul {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0.25rem;
  }
  .main-nav a {
    white-space: nowrap;
    font-size: 0.75rem;
    padding: 0.55rem 0.65rem;
  }
  .social-bar {
    flex-direction: column;
    gap: 0.1rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }
  .social-bar-list a {
    width: 44px;
    height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * {
    transition: none !important;
    animation: none !important;
  }
}