/* Mueller Mobility Solutions GmbH i.G. - Global Styles */
:root {
  --brand: #0b3d91;
  --accent: #ff7a00;
  --text: #0f172a;
  --text-muted: #475569;
  --bg: #ffffff;
  --bg-alt: #f1f5f9;
  --border: #e2e8f0;
  --max-width: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; color: var(--text); background: var(--bg); }

/* Layout helpers */
.container { width: 100%; max-width: var(--max-width); margin-inline: auto; padding-inline: 1rem; }
.section { padding: 4rem 0; }

/* Header & Navigation */
.header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,0.9); backdrop-filter: saturate(180%) blur(8px); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; }
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; color: var(--text); font-weight: 700; }
.brand img { display: block; }
.brand-mark { width: 36px; height: 36px; }
.brand-wordmark { height: 18px; }
.nav-links { display: flex; align-items: center; gap: 1.25rem; }
.nav-links a { color: var(--text); text-decoration: none; font-weight: 500; padding: .5rem .25rem; border-radius: 6px; }
.nav-links a:hover { color: var(--brand); }
.nav-links a.active { color: var(--brand); }

.nav-cta { display: none; }

/* Mobile nav toggle */
.nav-toggle { display: none; background: transparent; border: 1px solid var(--border); border-radius: 8px; padding: .5rem; }
.nav-toggle svg { width: 24px; height: 24px; }

/* Hero */
.hero { position: relative; overflow: hidden; background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 50%, #e0f2fe 100%); }
.hero .content { display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 2rem; }
.hero h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; margin: 0 0 1rem; }
.hero p { font-size: 1.125rem; color: var(--text-muted); margin: 0 0 1.5rem; }
.hero .badge { display: inline-flex; align-items: center; gap: .5rem; background: #ffffff; border: 1px solid var(--border); color: var(--text-muted); padding: .4rem .75rem; border-radius: 999px; font-size: .875rem; margin-bottom: 1rem; }
.hero-visual { position: relative; min-height: 280px; }
.hero-visual .orb { position: absolute; inset: 0; margin: auto; width: min(320px, 80%); height: min(320px, 80%); border-radius: 50%; background: radial-gradient(circle at 30% 30%, rgba(11,61,145,0.12), rgba(255,122,0,0.18)); box-shadow: 0 30px 60px rgba(17,24,39,0.15); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; text-decoration: none; border-radius: 10px; padding: .75rem 1rem; border: 1px solid var(--border); transition: transform .08s ease, box-shadow .2s ease, background .2s ease, color .2s ease; }
.btn-primary { background: var(--brand); color: #fff; border-color: transparent; box-shadow: 0 8px 20px rgba(11,61,145,0.2); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(11,61,145,0.28); }
.btn-outline { color: var(--brand); background: #fff; border-color: var(--border); }
.btn-outline:hover { border-color: #cbd5e1; background: #f8fafc; }

/* Cards */
.cards { display: grid; gap: 1rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 1.25rem; box-shadow: 0 6px 14px rgba(15,23,42,0.06); }
.card h3 { margin: .25rem 0 .5rem; font-size: 1.125rem; }
.card p { color: var(--text-muted); margin: 0; }
.card .icon { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; background: #eef2ff; color: var(--brand); margin-bottom: .5rem; }

/* Feature list */
.features { display: grid; gap: 1rem; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feature { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 1rem; }
.feature h4 { margin: .5rem 0; font-size: 1rem; }
.feature p { margin: 0; color: var(--text-muted); font-size: .95rem; }

/* Content blocks */
.prose { max-width: 70ch; }
.prose p { color: var(--text-muted); }
.prose ul { color: var(--text-muted); }

/* Footer */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); }
.footer .grid { display: grid; gap: 1.5rem; grid-template-columns: 2fr 1fr 1fr; }
.footer a { color: var(--text); text-decoration: none; }
.footer a:hover { color: var(--brand); }
.footer small { color: var(--text-muted); }

/* Forms */
.form { display: grid; gap: 1rem; max-width: 640px; }
.input, .textarea, .select { width: 100%; padding: .75rem .9rem; border-radius: 10px; border: 1px solid var(--border); background: #fff; color: var(--text); font-size: 1rem; }
.textarea { min-height: 140px; resize: vertical; }
.input:focus, .textarea:focus, .select:focus { outline: 3px solid #c7d2fe; border-color: #93c5fd; }
.help { color: var(--text-muted); font-size: .875rem; }

/* Utilities */
.center { text-align: center; }
.muted { color: var(--text-muted); }
.spaced { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.grid-2 { display: grid; gap: 1.25rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { display: grid; gap: 1.25rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* Responsive */
@media (max-width: 960px) {
  .hero .content { grid-template-columns: 1fr; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .footer .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-toggle { display: inline-flex; }
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); padding: .75rem 1rem; flex-direction: column; }
  .nav-links.open { display: flex; }
  .nav-cta { display: inline-flex; }
  .cards { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}