:root {
  --primary:   #1B3A6B;
  --secondary: #2D6FD4;
  --accent:    #3584e4;
  --bglight:   #F5F7FB;
  --text-dark: #1A1A2E;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text-dark);
  background: #fff;
}

/* Sprache */
[data-lang] { display: none; }
.lang-de [data-lang="de"],
.lang-en [data-lang="en"] { display: inline; }
.lang-de [data-lang-block="de"],
.lang-en [data-lang-block="en"] { display: block; }
[data-lang-block] { display: none; }

/* Mobile Menu */
#mobile-menu { display: none; }
#mobile-menu.open { display: block; }

/* Navbar */
#navbar {
  background: linear-gradient(135deg, #01579B 0%, #0277BD 50%, #01579B 100%);
  transition: background 0.3s, box-shadow 0.3s;
}
#navbar.scrolled {
  background: linear-gradient(135deg, #014878 0%, #015f97 50%, #014878 100%) !important;
  box-shadow: 0 2px 20px rgba(0,0,0,0.35);
}
.nav-link {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 6px;
  color: rgba(255,255,255,0.9);
  font-size: 0.875rem; font-weight: 500;
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }

/* Hero */
.hero-bg { background: linear-gradient(135deg, #0d2144 0%, #1B3A6B 55%, #1e4d8c 100%); }
.gradient-text {
  background: linear-gradient(90deg, #60a5fa 0%, #93c5fd 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.badge-glow { animation: pulse-glow 2.5s ease-in-out infinite; }
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(53,132,228,0.4); }
  50%       { box-shadow: 0 0 0 10px rgba(53,132,228,0); }
}

/* Mockup Linux-Stil */
.mockup-window {
  background: #1e2a3b; border-radius: 12px; overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.45);
}
.mockup-titlebar {
  background: #151e2d; padding: 10px 16px;
  display: flex; align-items: center; gap: 8px;
}

/* Karten */
.section-tag {
  display: inline-block;
  background: rgba(45,111,212,0.1); color: var(--secondary);
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 4px 12px; border-radius: 9999px;
  border: 1px solid rgba(45,111,212,0.25);
}
.card-hover { transition: transform 0.25s ease, box-shadow 0.25s ease; }
.card-hover:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(27,58,107,0.15); }

/* Animationen */
.fade-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

.progress-bar-inner {
  height: 100%; border-radius: 9999px;
  transition: width 1.6s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0;
}

/* Effizienz-Score-Säulen */
.score-fill-manual { height: 42%; }
.score-fill-sema   { height: 97%; }

/* Honeypot (vor Bots versteckt) */
.hp-field {
  position: absolute; left: -9999px;
  width: 1px; height: 1px; opacity: 0;
}

/* Form */
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(45,111,212,0.15);
}

/* ERP Hub */
.erp-hub {
  width: 140px; height: 140px;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  border-radius: 24px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 0.95rem;
  box-shadow: 0 20px 50px rgba(53,132,228,0.45);
  text-align: center; line-height: 1.2;
}
.erp-node {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  padding: 10px 16px; border-radius: 10px;
  font-size: 0.85rem; font-weight: 600;
  text-align: center;
  transition: background 0.2s, transform 0.2s;
}
.erp-node:hover { background: rgba(255,255,255,0.14); transform: translateY(-2px); }