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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --light-bg: #ecf0f1;
    --border-color: #bdc3c7;
    --white: #ffffff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Hero */
.hero {
    background: var(--primary-color);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 62, 80, 0.85);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
}

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

.btn-primary:hover {
    background: #2980b9;
}

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

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

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

.btn-light:hover {
    background: var(--light-bg);
}

.btn-danger {
    background: #e74c3c;
    color: var(--white);
}

.btn-danger:hover {
    background: #c0392b;
}

/* Services */
.services {
    padding: 60px 0;
    background: var(--light-bg);
}

.services h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    font-weight: 600;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 4px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-card p {
    color: var(--text-light);
}

/* Portfolio */
.portfolio {
    padding: 60px 0;
}

.portfolio h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    font-weight: 600;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.portfolio-item {
    background: var(--light-bg);
    border-radius: 4px;
    overflow: hidden;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

.portfolio-content {
    text-align: center;
    padding: 2rem;
}

.portfolio-content h3 {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.portfolio-content p {
    color: var(--text-light);
}

.text-center {
    text-align: center;
}

/* CTA */
.cta {
    background: var(--secondary-color);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3, .footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Contact Form */
.contact-section {
    padding: 60px 0;
}

.contact-section h1 {
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 600;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
}

/* Admin */
.admin-body {
    background: var(--light-bg);
}

.admin-container {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 250px;
    background: var(--primary-color);
    color: var(--white);
    padding: 2rem 1rem;
}

.admin-sidebar h2 {
    margin-bottom: 2rem;
}

.admin-sidebar nav a {
    display: block;
    padding: 0.75rem 1rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.admin-sidebar nav a:hover,
.admin-sidebar nav a.active {
    background: var(--secondary-color);
    color: var(--white);
}

.admin-main {
    flex: 1;
    padding: 2rem;
}

.admin-header {
    margin-bottom: 2rem;
}

.admin-section {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    background: var(--light-bg);
    font-weight: 600;
}

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

.btn-small {
    padding: 6px 12px;
    font-size: 0.875rem;
}

/* Admin Login */
.admin-login {
    background: var(--light-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    background: var(--white);
    padding: 2rem;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 2rem;
}

.form-control,
select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

select:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .admin-container {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
    }
}

/* File Upload Styling */
input[type="file"] {
    cursor: pointer;
    transition: all 0.3s;
}

input[type="file"]:hover {
    border-color: var(--accent-color) !important;
    background: #fff !important;
}

.hero-preview-box {
    margin-bottom: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.hero-preview-box img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 4px;
    display: block;
    margin-bottom: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}