:root {
    --bg-primary: #1A1D23;
    --bg-secondary: #e0e0e0;
    --accent: #007bff;
    --text-dark: #333;
    --text-light: #f8f9fa;
    --success: #28a745;
    --warning: #ffc107;
    --error: #dc3545;
    --informations: #17a2b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-primary);
    min-height: 100vh;
}

header {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 140, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

.services-section {
    background-color: #1A1D23;
    position: relative;
    z-index: 1;
    margin-top: 100px;
}

.container {
    width: 100%;
    margin: 0;
    padding: 0 20px;
}

.btn-submit {
    background: linear-gradient(45deg, #ff4500, #ff8c00);
    box-shadow: 0 4px 15px rgba(255, 140, 0, 0.3);
    transition: all 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4);
}