:root {
    --blue: #00a8e8;
    --dark: #003459;
    --accent: #ff4b2b;
    --bg-light: #f8f9fa;
    --white: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', sans-serif; line-height: 1.6; color: #333; scroll-behavior: smooth; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 80px 0; }
.bg-light { background: var(--bg-light); }

/* Header & Nav */
header { background: var(--white); padding: 15px 0; border-bottom: 4px solid var(--blue); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
nav { display: flex; justify-content: space-between; align-items: center; }
.logo-area { display: flex; align-items: center; gap: 15px; }
.main-logo { height: 65px; width: auto; }
.brand-name { display: block; font-weight: 700; font-size: 1.2rem; color: var(--dark); }
.brand-motto { font-size: 0.85rem; color: var(--blue); font-style: italic; }

.nav-links { list-style: none; display: flex; gap: 20px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--dark); font-weight: 600; transition: 0.3s; }
.nav-links a:hover { color: var(--blue); }
.btn-donate { background: var(--accent); color: white !important; padding: 10px 20px; border-radius: 5px; }

/* Hero */
.hero { background: linear-gradient(rgba(0,52,89,0.85), rgba(0,52,89,0.85)), url('https://images.unsplash.com/photo-1488521787991-ed7bbaae773c?q=80&w=2070'); background-size: cover; background-position: center; color: white; padding: 120px 0; text-align: center; }
.hero h1 { font-size: 3.5rem; margin-bottom: 20px; }
.hero p { font-size: 1.3rem; max-width: 800px; margin: 0 auto 30px; }
.btn-primary { background: var(--blue); color: white; padding: 15px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; margin: 10px; display: inline-block; }
.btn-secondary { border: 2px solid white; color: white; padding: 13px 30px; text-decoration: none; border-radius: 5px; margin: 10px; display: inline-block; }

/* Info Grid */
.info-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 50px; align-items: center; }
.stat-card { background: var(--blue); color: white; padding: 25px; border-radius: 10px; margin-bottom: 15px; text-align: center; }
.stat-card h3 { font-size: 2.5rem; }

/* Projekte */
.section-title { text-align: center; margin-bottom: 50px; font-size: 2.5rem; color: var(--dark); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: white; padding: 40px; border-radius: 12px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); text-align: center; transition: 0.3s; }
.card:hover { transform: translateY(-10px); }
.card-icon { font-size: 3.5rem; margin-bottom: 20px; }

/* Facebook - BREIT & MASSIV */
.fb-full-section { background: #e9ecef; padding: 80px 0; }
.fb-layout-grid { display: grid; grid-template-columns: 1fr 500px 1fr; gap: 40px; align-items: start; }
.fb-main-feed { background: white; padding: 10px; border-radius: 10px; box-shadow: 0 15px 40px rgba(0,0,0,0.15); }
.fb-side-column { display: flex; flex-direction: column; gap: 20px; }
.info-card-small, .fb-cta-box { background: white; padding: 30px; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
.fb-cta-box { background: var(--dark); color: white; text-align: center; }
.fb-btn { display: inline-block; margin-top: 15px; background: #1877F2; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; font-weight: bold; }

/* Footer Split */
.footer-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.iban-box { background: #eef9ff; padding: 25px; border-radius: 10px; border: 2px dashed var(--blue); margin-top: 15px; }
footer { background: #1a1a1a; color: #999; padding: 40px 0; text-align: center; }
footer a { color: var(--white); text-decoration: none; margin: 0 10px; }

/* Mobile */
@media (max-width: 1000px) {
    .fb-layout-grid, .info-grid, .footer-split { grid-template-columns: 1fr; }
    .fb-main-feed { order: -1; }
    .hero h1 { font-size: 2.2rem; }
    .nav-links { display: none; } /* Einfachheitshalber für Mobile ausgeblendet */
}