/* LOTUS GLOBAL - Modern Professional Website Styles */

/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover, a:focus {
    color: #0056b3;
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

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

.section {
    padding: 80px 0;
}

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

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

.mb-4 {
    margin-bottom: 2rem;
}

.mt-4 {
    margin-top: 2rem;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    flex: 1;
    padding: 0 15px;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 15px;
}

.col-md-4 {
    flex: 0 0 33.333%;
    max-width: 33.333%;
    padding: 0 15px;
}

.col-md-3 {
    flex: 0 0 25%;
    max-width: 25%;
    padding: 0 15px;
}

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    color: #007bff;
    text-decoration: none;
}

.logo:hover, .logo:focus {
    color: #0056b3;
}

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

.nav-menu a {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-menu a:hover, .nav-menu a:focus {
    background: #f8f9fa;
    color: #007bff;
}

.nav-menu a.active {
    background: #007bff;
    color: white;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #333;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('assets/img/hero1.jpg') center/cover;
    opacity: 0.2;
    z-index: 1;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

.btn-primary:hover, .btn-primary:focus {
    background: #0056b3;
    border-color: #0056b3;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,123,255,0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover, .btn-secondary:focus {
    background: white;
    color: #007bff;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #007bff;
    border-color: #007bff;
}

.btn-outline:hover, .btn-outline:focus {
    background: #007bff;
    color: white;
}

/* Cards */
.card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.card h3 {
    color: #333;
    margin-bottom: 1rem;
}

.card p {
    color: #666;
    margin-bottom: 1.5rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* Stats Section */
.stats {
    background: #f8f9fa;
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    color: #007bff;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.1rem;
    color: #666;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

.form-control.error {
    border-color: #dc3545;
}

.form-control.success {
    border-color: #28a745;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 1rem 0;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 4px;
    transform: scale(1.2);
}

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.success-message {
    color: #28a745;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.form-message {
    padding: 1rem;
    border-radius: 5px;
    margin: 1rem 0;
    display: none;
}

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

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

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    color: #007bff;
    margin-bottom: 1rem;
}

.footer-section p, .footer-section li {
    color: #ccc;
    margin-bottom: 0.5rem;
}

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

.footer-section a {
    color: #ccc;
    transition: color 0.3s ease;
}

.footer-section a:hover, .footer-section a:focus {
    color: #007bff;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 20px;
    text-align: center;
    color: #999;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        position: absolute;
        right: 20px;
        top: 20px;
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0;
        background: white;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        border-radius: 5px;
        padding: 1rem;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu a {
        padding: 1rem;
        border-bottom: 1px solid #eee;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .col-md-6, .col-md-4, .col-md-3 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
    .hero {
        padding: 80px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        display: block;
        margin: 0.5rem 0;
    }
}

/* Accessibility Improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for better accessibility */
button:focus, input:focus, textarea:focus, select:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* Skip to content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #007bff;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 0 0 4px 4px;
    z-index: 1001;
}

.skip-link:focus {
    top: 0;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Animation utilities */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Print styles */
@media print {
    .header, .footer, .btn, .mobile-menu-toggle {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .section {
        padding: 20px 0;
    }
}