:root {
    --dutch-red: #AE1C28; /* Dutch flag red */
    --dutch-white: #FFFFFF; /* Dutch flag white */
    --dutch-blue: #21468B; /* Dutch flag blue */
    --dutch-red-dark: #8B1621; /* Darker red for hover */
    --dutch-blue-dark: #1A3766; /* Darker blue for hover */

    --primary-color: var(--dutch-blue);
    --accent-color: var(--dutch-red);
    --red-accent: var(--dutch-red);
    --red-hover: var(--dutch-red-dark);
    --secondary-color: #F7FAFC;
    --background-color: var(--dutch-white);
    --text-color: #1A202C;
    --light-text-color: #4A5568;
    --border-color: #E2E8F0;
    --card-background: var(--dutch-white);
    --shadow-color: rgba(0, 0, 0, 0.05);

    /* Button specific variables */
    --btn-primary-bg: var(--dutch-blue);
    --btn-primary-text: var(--dutch-white);
    --btn-primary-hover-bg: var(--dutch-blue-dark);
    --btn-secondary-bg: var(--dutch-red);
    --btn-secondary-text: var(--dutch-white);
    --btn-secondary-hover-bg: var(--dutch-red-dark);
    --btn-outline-border: var(--dutch-blue);
    --btn-outline-text: var(--dutch-blue);
    --btn-outline-hover-bg: rgba(33, 70, 139, 0.05);
}

html, body {
    height: 100%;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

/* General typography */
h1 {
    font-size: clamp(1.75rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
    line-height: 1.3;
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
    line-height: 1.4;
}

p {
    margin-bottom: 1rem;
    color: var(--light-text-color);
    font-size: clamp(0.875rem, 2vw, 1.125rem);
    line-height: 1.7;
}

/* Card-like styling for sections */
.card {
    background-color: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: clamp(1rem, 4vw, 3rem);
    margin-bottom: clamp(20px, 3vw, 35px);
}

.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: clamp(10px, 2vw, 20px);
    box-sizing: border-box;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.retoors-container {
    text-align: center;
    width: 100%;
    max-width: 700px; /* Adjusted width for Retoor's */
    margin-top: 50px; /* Add some top margin for content */
}

.retoors-logo {
    width: 250px; /* Adjusted width for Retoor's */
    height: auto;
    margin-bottom: 30px;
}

.search-bar-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.search-input {
    width: 100%;
    max-width: 500px; /* Limit search input width */
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    font-size: 16px;
    outline: none;
    box-shadow: none;
    transition: box-shadow 0.3s ease-in-out, border-color 0.3s ease-in-out;
    margin-bottom: 20px;
}

.search-input:focus {
    box-shadow: 0 1px 6px rgba(174, 28, 40, 0.25);
    border-color: var(--dutch-red);
}

.search-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.retoors-button {
    background-color: #F0F0F0;
    border: 1px solid #D0D0D0;
    border-radius: 4px;
    color: var(--text-color);
    font-family: 'Roboto', sans-serif;
    font-size: 15px;
    padding: 10px 20px;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    transition: background-color 0.3s ease-in-out, border-color 0.3s ease-in-out, color 0.3s ease-in-out;
}

.retoors-button:hover {
    background-color: #E0E0E0;
    border-color: #B0B0B0;
}

/* Header and Navigation */
.site-header {
    background: linear-gradient(to bottom, var(--dutch-red) 0%, var(--dutch-red) 33.33%, var(--dutch-white) 33.33%, var(--dutch-white) 66.66%, var(--dutch-blue) 66.66%, var(--dutch-blue) 100%);
    background-size: 100% 6px;
    background-repeat: no-repeat;
    background-position: top;
    background-color: var(--dutch-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    padding-top: 6px;
}

.site-nav {
    padding: 0 20px;
}

.nav-container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 70px;
    gap: 2rem;
}

.brand {
    text-decoration: none;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    flex-direction: row;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
    align-items: center;
}

.nav-menu li {
    list-style: none;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: var(--dutch-red);
}

.nav-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--dutch-red);
}

/* Main content area */
main {
    flex-grow: 1;
    width: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: var(--background-color);
}

/* Form specific styles */
.form-container {
    max-width: 450px;
    margin: 50px auto;
    background-color: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 2.5rem;
    text-align: left;
}

.form-container h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
    font-size: 2rem;
    font-weight: 700;
}

.form-group {
    margin-bottom: 25px; /* Increased margin */
}

.form-group label {
    display: block;
    margin-bottom: 10px; /* Increased margin */
    font-weight: 600; /* Slightly bolder label */
    color: var(--text-color);
    font-size: 1rem; /* Slightly larger font size */
}

.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"],
.form-group input[type="number"] {
    width: 100%;
    padding: 14px 16px; /* Increased padding */
    border: 1px solid var(--border-color);
    border-radius: 8px; /* More rounded input fields */
    font-size: 1rem; /* Consistent font size */
    color: var(--text-color); /* Ensure text color is readable */
    background-color: var(--background-color); /* Light background for inputs */
    box-sizing: border-box;
    transition: border-color 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus,
.form-group input[type="text"]:focus,
.form-group input[type="number"]:focus {
    border-color: var(--primary-color); /* Focus color */
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2); /* Softer focus shadow */
    outline: none;
}

.form-container .btn-primary {
    width: 100%;
    padding: 16px; /* Increased padding */
    font-size: 1.1rem; /* Slightly larger font size */
    margin-top: 30px; /* Increased margin */
    border-radius: 8px; /* More rounded button */
    font-weight: 600;
}

/* Global Button Styles */
.btn-primary,
.btn-outline,
.btn-small,
.btn-danger {
    display: inline-block;
    padding: 0.65rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    box-sizing: border-box;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border-color: var(--btn-primary-bg);
}

.btn-primary:hover {
    background-color: var(--btn-primary-hover-bg);
    border-color: var(--btn-primary-hover-bg);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(33, 70, 139, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--btn-outline-text);
    border-color: var(--btn-outline-border);
}

.btn-outline:hover {
    background-color: var(--btn-outline-hover-bg);
    color: var(--btn-outline-text);
    border-color: var(--btn-outline-border);
    transform: translateY(-1px);
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.btn-danger {
    background-color: var(--red-accent);
    color: white;
    border-color: var(--red-accent);
}

.btn-danger:hover {
    background-color: var(--red-hover);
    border-color: var(--red-hover);
}

.btn-accent {
    background-color: var(--dutch-red);
    color: var(--dutch-white);
    border-color: var(--dutch-red);
}

.btn-accent:hover {
    background-color: var(--dutch-red-dark);
    border-color: var(--dutch-red-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(174, 28, 40, 0.3);
}

.error {
    color: #D32F2F; /* Red for errors */
    background-color: #FFEBEE; /* Light red background */
    border: 1px solid #EF9A9A; /* Red border */
    padding: 1rem 1.5rem; /* Increased padding */
    margin-bottom: 1.5rem; /* Increased margin */
    border-radius: 8px; /* Rounded error box */
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .nav-menu {
        gap: 1.25rem;
    }

    .nav-container {
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .site-nav {
        padding: 10px 15px;
    }

    .nav-container {
        flex-wrap: wrap;
        min-height: auto;
        padding: 10px 0;
        gap: 1rem;
    }

    .brand {
        flex: 1 1 100%;
        justify-content: center;
        order: 1;
        margin-bottom: 10px;
    }

    .nav-menu {
        flex: 1 1 100%;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
        order: 2;
        margin-bottom: 10px;
    }

    .nav-menu a {
        font-size: 0.9rem;
    }

    .nav-actions {
        flex: 1 1 100%;
        justify-content: center;
        order: 3;
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .brand-text {
        font-size: 1.125rem;
    }

    .nav-menu {
        gap: 0.5rem;
    }

    .nav-menu a {
        font-size: 0.8rem;
    }

    .nav-actions {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .nav-actions .btn-primary,
    .nav-actions .btn-outline {
        width: 100%;
        max-width: 280px;
        text-align: center;
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .form-container {
        padding: 1.5rem;
        margin: 20px auto;
    }

    .form-container h2 {
        font-size: 1.5rem;
    }

    .form-group input[type="email"],
    .form-group input[type="password"],
    .form-group input[type="text"],
    .form-group input[type="number"] {
        padding: 12px 14px;
    }

    .btn-primary,
    .btn-outline {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 360px) {
    html, body {
        font-size: 14px;
    }

    .site-nav {
        padding: 8px 10px;
    }

    .brand-text {
        font-size: 1rem;
    }

    .nav-menu a {
        font-size: 0.75rem;
    }

    .card {
        padding: 1rem;
        margin-bottom: 15px;
    }

    .container {
        padding: 8px;
    }

    .form-container {
        padding: 1rem;
        margin: 15px auto;
    }

    .btn-primary,
    .btn-outline {
        padding: 0.45rem 0.85rem;
        font-size: 0.8rem;
    }
}