:root {
    --primary-color: #004b87; /* Строгий синий цвет, типичный для логистики */
    --accent-color: #ff9900;
    --text-color: #333;
    --bg-light: #f4f7f6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.text-center { text-align: center; }
.bg-light { background-color: var(--bg-light); }

/* Header & Nav */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover { color: var(--primary-color); }

.btn-quote {
    background: var(--primary-color);
    color: #fff;
    padding: 8px 15px;
    border-radius: 4px;
}
.btn-quote:hover { background: #003366; color: #fff; }

.lang-switcher a {
    text-decoration: none;
    color: #666;
}
.lang-switcher a.active {
    font-weight: bold;
    color: var(--primary-color);
}

/* Hero Section */
#hero {
    background: linear-gradient(rgba(0, 75, 135, 0.8), rgba(0, 75, 135, 0.8)), url('https://images.unsplash.com/photo-1494412574643-ff11b0a5c1c3?auto=format&fit=crop&w=1920&q=80') center/cover;
    color: #fff;
    padding: 100px 20px;
}

#hero h1 { font-size: 3rem; margin-bottom: 20px; }
#hero p { font-size: 1.2rem; }

/* Grid Cards (Services & Reviews) */
section h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 2rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    font-weight: bold;
    border-top: 4px solid var(--primary-color);
}

.review {
    font-weight: normal;
    font-style: italic;
    border-top: 4px solid var(--accent-color);
}

/* Form */
form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

textarea { height: 100px; resize: vertical; }

.btn-submit {
    background: var(--accent-color);
    color: #fff;
    border: none;
    padding: 15px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 4px;
}
.btn-submit:hover { background: #e68a00; }

footer {
    background: var(--primary-color);
    color: #fff;
}