:root {
  --bg: #03989e;          /* original uberbau teal */
  --bg-dark: #027b80;     /* darker teal for footer */
  --fg: #ffffff;
  --muted: rgba(255, 255, 255, 0.78);
  --accent: #e8541e;
  --accent-dark: #c0410f;
  --line: rgba(255, 255, 255, 0.22);
  --soft: rgba(255, 255, 255, 0.10);
  --max: 920px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.65;
  font-size: 18px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

a { color: #ffe2d3; }
a:hover { color: #fff; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.brand img {
  display: block;
  height: 44px;
  width: auto;
}
.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
}
.site-nav a {
  color: var(--fg);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.site-nav a:hover,
.site-nav a.active { color: #ffd9c6; }

.nav-toggle, .nav-toggle-label { display: none; }

/* Desktop / non-burger: big logo stacked over a centered menu (as on the original) */
@media (min-width: 721px) {
  .site-header { position: static; }
  .header-inner {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.1rem;
    padding-top: 1.4rem;
    padding-bottom: 1.2rem;
  }
  .brand { display: block; }
  .brand img {
    height: auto;
    width: min(640px, 80vw);
  }
  .site-nav { width: 100%; }
  .site-nav ul { justify-content: center; gap: 1.6rem; }
}

/* Main */
main.container { padding-top: 2.5rem; padding-bottom: 3.5rem; flex: 1 0 auto; }

/* Hero */
.hero {
  text-align: center;
  padding: 1.5rem 0 2.5rem;
}
.hero h1 {
  font-size: clamp(2rem, 6vw, 3.2rem);
  margin: 0 0 1rem;
  line-height: 1.1;
}
.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 680px;
  margin: 0 auto 1.8rem;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
}
.btn:hover { background: var(--accent-dark); color: #fff; }

/* Features */
.features { margin-top: 1rem; }
.features h2 { text-align: center; font-size: 1.6rem; margin-bottom: 1.5rem; }
.feature-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}
.feature-grid li {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.2rem 1rem;
  text-align: center;
  font-weight: 500;
}

/* Page */
.page h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); margin-top: 0; }
.content h2 { margin-top: 2rem; }
.content h3 { margin-top: 1.5rem; }
.content ul { padding-left: 1.3rem; }
.content { word-wrap: break-word; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-dark);
  padding: 2rem 0;
  margin-top: 2rem;
}
.footer-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin: 0 0 1rem;
  padding: 0;
}
.footer-nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.footer-nav a:hover { color: #fff; }
.copyright { color: var(--muted); font-size: 0.85rem; margin: 0; }

/* Mobile nav */
@media (max-width: 720px) {
  .header-inner { align-items: center; }
  .nav-toggle-label {
    display: block;
    cursor: pointer;
    width: 28px;
    height: 22px;
    position: relative;
    margin-left: auto;
    flex: 0 0 auto;
    align-self: center;
  }
  .nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    content: "";
    position: absolute;
    width: 28px;
    height: 3px;
    background: var(--fg);
    border-radius: 2px;
    left: 0;
  }
  .nav-toggle-label span { top: 10px; }
  .nav-toggle-label span::before { top: -8px; }
  .nav-toggle-label span::after { top: 8px; }

  .site-nav {
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .nav-toggle:checked ~ .site-nav { max-height: 420px; }
  .site-nav ul {
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.5rem 0;
  }
  .site-nav li { padding: 0.4rem 0; }
}