:root {
    --primary: #0a2540;
    --secondary: #0070f3;
    --dark: #1c2a38;
    --light: #f4f6f9;
    --white: #ffffff;
    --gray: #657786;
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { color: var(--dark); background: var(--white); line-height: 1.6; }
header { background: var(--primary); padding: 15px 5%; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.logo { color: var(--white); font-weight: bold; font-size: 1.4rem; text-decoration: none; }
nav a { color: var(--white); text-decoration: none; margin-left: 20px; font-size: 0.95rem; transition: color 0.3s; }
nav a:hover { color: var(--secondary); }
.lang-switcher { background: rgba(255,255,255,0.1); color: var(--white); border: 1px solid rgba(255,255,255,0.2); padding: 5px 10px; border-radius: 4px; font-size: 0.85rem; cursor: pointer; outline: none; margin-left: 20px; }
.lang-switcher option { background: var(--primary); color: var(--white); }
.hero { padding: 80px 5%; background: linear-gradient(135deg, #0a2540 0%, #1a365d 100%); color: var(--white); text-align: center; }
.hero h1 { font-size: 2.5rem; margin-bottom: 20px; font-weight: 700; }
.hero p { font-size: 1.2rem; max-width: 800px; margin: 0 auto 30px auto; opacity: 0.9; }
.btn { display: inline-block; background: var(--secondary); color: var(--white); padding: 12px 30px; text-decoration: none; border-radius: 5px; font-weight: 600; transition: background 0.3s; border: none; cursor: pointer; }
.btn:hover { background: #0051b3; }
.container { padding: 60px 5%; max-width: 1200px; margin: 0 auto; }
.section-title { text-align: center; font-size: 2rem; color: var(--primary); margin-bottom: 40px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--white); border: 1px solid #e1e8ed; padding: 30px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.02); transition: transform 0.3s, box-shadow 0.3s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
.card h3 { color: var(--primary); margin-bottom: 15px; font-size: 1.3rem; }
.integration-block { display: flex; flex-direction: row; gap: 40px; align-items: center; margin-top: 40px; }
.integration-text { flex: 1; }
.integration-img { flex: 1; background: #e1e8ed; border-radius: 8px; min-height: 350px; display: flex; align-items: center; justify-content: center; color: var(--gray); text-align: center; border: 2px dashed #ccd6dd; padding: 20px; font-size: 0.9rem; }
footer { background: #07192b; color: #aab8c2; padding: 40px 5%; font-size: 0.9rem; border-top: 3px solid var(--secondary); }
.footer-content { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.footer-sect h4 { color: var(--white); margin-bottom: 15px; }
.footer-sect p { margin-bottom: 8px; }
.footer-bottom { text-align: center; margin-top: 30px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.05); font-size: 0.8rem; }
ul { list-style-position: inside; margin-top: 10px; }
li { margin-bottom: 5px; }
@media (max-width: 768px) {
    header { flex-direction: column; text-align: center; gap: 15px; }
    nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
    nav a { margin-left: 0; padding: 5px 10px; }
    .integration-block { flex-direction: column; }
    .hero h1 { font-size: 2rem; }
}
[lang="en"], [lang="de"], [lang="fr"], [lang="ru"] { display: none; }