:root {
    --primary-color: #4DD6C1; /* Teal color for main buttons */
    --secondary-color: #1D2859; /* Dark blue for secondary buttons */
    --light-bg: #F5F9FA; /* Light background */
    --light-teal-bg: #E6F7F5; /* Light teal for background wave */
    --text-color: #333333;
    --light-text: #666666;
    --border-radius: 24px; /* Rounder corners like in the image */
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #fff;
    color: var(--text-color);
    line-height: 1.6;
    position: relative;
}

/* Background wave */
body::after {
    content: "";
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 60%;
    background-color: var(--light-teal-bg);
    z-index: -1;
    border-radius: 0 0 0 50%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    margin-bottom: 40px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    display: flex;
    align-items: center;
}

.logo svg {
    margin-right: 10px;
}

.logo-text {
    font-weight: 700;
}

.swap {
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
}

.nav-buttons {
    display: flex;
    gap: 15px;
}

.user-links {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    justify-content: flex-end;
    font-size: 14px;
    padding: 10px 20px;
}

.user-link {
    color: var(--text-color);
    text-decoration: none;
}

h1 {
    font-size: 44px;
    margin-bottom: 20px;
    color: #333;
    line-height: 1.2;
    max-width: 600px;
}

h2 {
    font-size: 24px;
    margin-bottom: 15px;
    text-transform: uppercase;
    border-bottom: 2px solid #ddd;
    padding-bottom: 10px;
}

p {
    margin-bottom: 20px;
    color: var(--light-text);
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.info-section {
    max-width: 550px;
}

.form-container {
    background-color: var(--light-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

select, input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 12px;
    font-size: 16px;
}

.kenteken-input {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
    text-align: center;
    font-size: 18px;
}

.car-description {
    margin: 30px 0;
    line-height: 1.6;
    color: var(--text-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: bold;
    border-radius: var(--border-radius);
    cursor: pointer;
    width: 100%;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #a00000;
}

.result-container {
    display: none;
    padding: 20px;
    border-radius: var(--border-radius);
}

.result-header {
    background-color: #f8f8f8;
    padding: 15px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    margin-bottom: 20px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    padding: 15px;
    border-bottom: 1px solid #eee;
}

.result-row:nth-child(odd) {
    background-color: #f8f8f8;
}

.result-label {
    font-weight: 600;
}

.result-value {
    font-weight: 700;
}

.new-calculation {
    display: inline-flex;
    align-items: center;
    margin-top: 20px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.actions-container {
    margin-top: 30px;
    display: flex;
    gap: 15px;
}

.action-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: all 0.3s;
    white-space: nowrap;
}

.action-button .arrow {
    margin-left: 10px;
}

.primary-action {
    background-color: var(--primary-color);
    color: white;
}

.primary-action:hover {
    background-color: #3bc4af;
}

.secondary-action {
    background-color: var(--secondary-color);
    color: white;
}

.secondary-action:hover {
    background-color: #161f42;
}

.tool-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.tool-button {
    border: 1px solid #ddd;
    background: white;
    padding: 8px 15px;
    border-radius: 24px;
    font-size: 14px;
    color: var(--text-color);
    text-decoration: none;
}

.footnote {
    font-size: 14px;
    color: var(--light-text);
    margin-top: 20px;
    padding-top: 10px;
    border-top: 1px solid #eee;
}

@media (max-width: 992px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .info-section {
        max-width: 100%;
    }
    
    h1 {
        font-size: 36px;
    }
    
    .actions-container {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .user-links {
        display: none;
    }
    
    h1 {
        font-size: 28px;
    }
    
    .container {
        padding: 15px;
    }
    
    .nav-buttons {
        display: none;
    }
    
    .menu-icon {
        display: block !important;
        font-size: 24px;
        cursor: pointer;
    }
}