/* Modern theme updates - refined color palette */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --text-color: #2c3e50;
    --light-gray: #f8f9fa;
    --gradient-start: #2c3e50;
    --gradient-middle: #6c5ce7;
    --gradient-end: #3498db;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --spacing-unit: 1rem;
}

/* Typography and spacing */
body {
    font-family: 'Inter', sans-serif;
    line-height: 1.8;
    color: var(--text-color);
    background: linear-gradient(135deg, 
        rgba(44, 62, 80, 0.1),
        rgba(108, 92, 231, 0.1),
        rgba(52, 152, 219, 0.1)
    );
    margin: 0;
    padding: 0;
    letter-spacing: 0.3px;
    min-height: 100vh;
}

p {
    margin-bottom: var(--spacing-unit);
    font-size: 1.1rem;
    color: #4a5568;
}

h1, h2, h3, h4, h5, h6 {
    margin: 2rem 0 1rem;
    line-height: 1.3;
}

/* Container refinements */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 2);
}

/* Hero section improvements */
.hero {
    background: linear-gradient(135deg, 
        var(--gradient-start),
        var(--gradient-middle),
        var(--gradient-end)
    );
    color: white;
    padding: calc(var(--spacing-unit) * 6) calc(var(--spacing-unit) * 2);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Services section refinements */
.services {
    text-align: center;
    padding: calc(var(--spacing-unit) * 4) 0;
    background-color: white;
}

.services-list {
    list-style: none;
    padding: 0;
    margin: 2rem auto;
    max-width: 800px;
} 

.services h2 {
    font-size: 2.5rem;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--primary-color);
}

.services p {
    margin-bottom: calc(var(--spacing-unit) * 2);
    line-height: 1.8;
    font-size: 1.1rem;
}

/* Form improvements */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: white;
    padding: calc(var(--spacing-unit) * 3);
    border-radius: 12px;
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: calc(var(--spacing-unit) * 0.5);
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #eee;
    border-radius: 8px;
    transition: var(--transition);
    background-color: #f8f9fa;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    outline: none;
}

/* Button refinements */
.btn {
    display: inline-block;
    padding: calc(var(--spacing-unit) * 0.8) calc(var(--spacing-unit) * 1.8);
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: var(--secondary-color);
}

.btn-delete {
    background-color: #dc3545;
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-delete:hover {
    background-color: #c82333;
    transform: translateY(-2px);
}

/* Admin section improvements */
.admin-list {
    margin-top: 3rem;
    background-color: white;
    padding: calc(var(--spacing-unit) * 3);
    border-radius: 12px;
    box-shadow: var(--box-shadow);
}

.table-container {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    background-color: white;
}

.admin-table th,
.admin-table td {
    padding: calc(var(--spacing-unit) * 1.2);
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.admin-table th {
    background: linear-gradient(135deg, 
        var(--gradient-start),
        var(--gradient-middle),
        var(--gradient-end)
    );
    color: white;
    font-weight: 600;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table tr:hover {
    background-color: var(--light-gray);
}

.message-card {
    background-color: white;
    padding: calc(var(--spacing-unit) * 2);
    margin-bottom: calc(var(--spacing-unit) * 2);
    border-radius: 12px;
    box-shadow: var(--box-shadow);
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: calc(var(--spacing-unit) * 0.5);
}

.message-header h3 {
    margin: 0;
    color: var(--primary-color);
}

.message-date {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: calc(var(--spacing-unit));
}

.message-content {
    white-space: pre-wrap;
    line-height: 1.6;
    color: var(--text-color);
}

/* Alert refinements */
.alert {
    padding: calc(var(--spacing-unit));
    margin-bottom: calc(var(--spacing-unit));
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--box-shadow);
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Footer improvements */
.footer {
    background: linear-gradient(135deg, 
        var(--gradient-start),
        var(--gradient-middle),
        var(--gradient-end)
    );
    padding: calc(var(--spacing-unit) * 4) 0;
    margin-top: calc(var(--spacing-unit) * 6);
    color: white;
}

.footer p {
    color: white;
    opacity: 1;
    margin: 0;
    font-weight: 300;
}

/* Navigation refinements */
.navbar {
    background: white;
    padding: calc(var(--spacing-unit) * 1.5) 0;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    color: var(--primary-color);
    font-size: 1.6rem;
    font-weight: bold;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: calc(var(--spacing-unit) * 3);
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-color);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Container for navbar content */
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Responsive navigation */
@media (max-width: 768px) {
    .navbar {
        padding: calc(var(--spacing-unit)) 0;
    }

    .navbar-brand {
        font-size: 1.4rem;
    }

    .nav-links {
        gap: calc(var(--spacing-unit) * 2);
    }

    .nav-links a {
        font-size: 1rem;
    }
}

/* Table refinements */
.admin-table th,
.admin-table td {
    padding: calc(var(--spacing-unit) * 1.2);
}

/* Responsive improvements */
@media (max-width: 768px) {
    :root {
        --spacing-unit: 0.875rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .services h2 {
        font-size: 2rem;
    }

    p {
        font-size: 1rem;
    }
}