/* ====== Общий стиль ====== */
body {
    margin: 0;
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    color: #222;
    background-color: #f9f9fb;
}

/* Контейнер для центрирования */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* ====== Шапка сайта ====== */
.site-header {
    background: #003366;
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header .logo {
    display: flex;
    align-items: center;
    font-size: 18px;
    font-weight: 600;
}

.site-header .logo img {
    height: 40px;
    margin-right: 10px;
}

.site-header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 25px;
    justify-content: flex-end;
}

.site-header nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.site-header nav a:hover {
    color: #66b3ff;
}

/* ====== Hero section ====== */
.hero {
    background: linear-gradient(135deg, #004080, #0073e6);
    color: white;
    padding: 100px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn {
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 16px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s, color 0.3s;
}

/* кнопки */
.btn {
    background: white;
    color: #004080;
}

.btn:hover {
    background: #e6f2ff;
}

.btn.secondary {
    background: #ffcc00;
    color: #333;
}

.btn.secondary:hover {
    background: #ffdb4d;
}

.btn.outline {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.btn.outline:hover {
    background: white;
    color: #004080;
}

/* ====== Инфо-блоки ====== */
.info {
    padding: 60px 20px;
    background: #fff;
}

.info .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: #f4f8fc;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

.card h2 {
    color: #004080;
    margin-bottom: 10px;
}

/* ====== Footer ====== */
footer {
    background: #003366;
    color: white;
    text-align: center;
    padding: 20px 10px;
    font-size: 14px;
}