:root {
    --primary: #4361ee;
    --secondary: #3a0ca3;
    --accent: #4cc9f0;
    --light: #f8f9fa;
    --dark: #212529;
    --success: #4bb543;
    --error: #e63946;
}

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

body {
    background-color: #f5f7fb;
    color: var(--dark);
    line-height: 1.6;
}

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

.btn {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(67, 97, 238, 0.3);
}

    .btn:hover {
        background: var(--secondary);
        transform: translateY(-2px);
        box-shadow: 0 6px 8px rgba(67, 97, 238, 0.4);
    }

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

    .btn-outline:hover {
        background: var(--primary);
        color: white;
    }

/* Стили для header */
header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

    .logo i {
        margin-right: 10px;
        font-size: 1.8rem;
    }

nav a {
    margin-left: 20px;
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Стили для форм */
.form-group {
    margin-bottom: 20px;
}

    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-weight: 500;
        color: #555;
    }

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border 0.3s;
}

    .form-control:focus {
        border-color: var(--primary);
        outline: none;
        box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
    }

/* Утилиты */
.text-center {
    text-align: center;
}

.text-danger {
    color: var(--error);
}

.text-success {
    color: var(--success);
}

.mt-5 {
    margin-top: 3rem;
}