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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

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

header {
    background: linear-gradient(to right, #C71585, #FFE4E1);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    flex-wrap: wrap;
}

.logo a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: rgb(228, 59, 171);
}

.language-switcher {
    display: flex;
    gap: 10px;
    margin-left: 2rem;
}

.lang-btn {
    background-color: transparent;
    color: white;
    border: 1px solid white;
    padding: 5px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.lang-btn:hover {
    background-color: white;
    color: #333;
}

.lang-btn.active {
    background-color: #4CAF50;
    border-color: #4CAF50;
    color: white;
}

main {
    margin-top: 80px;
    min-height: calc(100vh - 160px);
    background-color: white;
}

.hero {
    background: linear-gradient(135deg, rgb(50, 135, 202) 0%, rgb(30, 95, 162) 100%);
    color: white;
    text-align: center;
    padding: 5rem 0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 2.4rem;
    margin-bottom: 2rem;
}

.product-hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    background-color: rgb(70, 220, 240);
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    background-color: rgb(50, 190, 210);
}

.btn-primary {
    background-color: #171a21;
    margin-right: 15px;
}

.btn-primary:hover {
    background-color: #2a2e3a;
}

.features {
    padding: 4rem 0;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.feature {
    background-color: #f9f9f9;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.feature h3 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.page-header {
    background-color: #667eea;
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
}

.content {
    padding: 3rem 0;
}

.content h2 {
    color: #333;
    margin: 2rem 0 1rem;
}

.content ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.content li {
    margin-bottom: 0.5rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto 3rem;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 2rem;
}

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

.contact-info {
    text-align: center;
    background-color: #f9f9f9;
    padding: 2rem;
    border-radius: 10px;
}

.contact-info h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.error-page {
    text-align: center;
    padding: 5rem 0;
}

.error-page h1 {
    font-size: 6rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.error-page h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.error-page p {
    margin-bottom: 2rem;
    color: #666;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem 0;
}

footer p {
    margin: 0;
}

/* Mobile Styles */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    margin-left: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 5px auto;
    transition: 0.3s;
}

@media (max-width: 768px) {
    /* Navigation */
    .mobile-menu-toggle {
        display: block !important;
        order: 3;
    }
    
    nav .container {
        position: relative;
        display: flex;
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: center;
    }
    
    .logo {
        order: 1;
        flex: 1;
    }
    
    .language-switcher {
        order: 2;
        margin-left: auto;
        margin-right: 0.5rem;
    }
    
    .nav-links {
        display: none !important;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: linear-gradient(to right, #C71585, #FFE4E1);
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        z-index: 999;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }
    
    .nav-links.active {
        display: flex !important;
    }
    
    .nav-links li {
        margin: 0;
        padding: 0.75rem 1.5rem;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-links li:last-child {
        border-bottom: none;
    }
    
    .nav-links a {
        display: block;
        font-size: 1.1rem;
    }
    
    .language-switcher {
        margin-left: auto;
        margin-right: 1rem;
    }
    
    /* Hero Section */
    .hero {
        padding: 3rem 1rem;
        margin-top: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 2rem;
        padding: 0 1rem;
    }
    
    .product-hero p {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    /* Features */
    .features {
        padding: 2rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-grid {
        gap: 1.5rem;
    }
    
    .feature {
        padding: 1.5rem;
    }
    
    /* Content Areas */
    .content {
        padding: 2rem 1rem;
    }
    
    .page-header {
        padding: 2rem 1rem;
        margin-top: 1rem;
    }
    
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    /* Forms */
    .contact-form {
        padding: 0 1rem;
    }
    
    /* Buttons */
    .btn {
        padding: 10px 25px;
        font-size: 0.95rem;
    }
    
    .lang-btn {
        padding: 4px 12px;
        font-size: 0.8rem;
    }
    
    /* Main content adjustment */
    main {
        margin-top: 60px;
    }
    
    /* Container padding */
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    /* Extra small devices */
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .hero p {
        font-size: 1.8rem;
    }
    
    .product-hero p {
        font-size: 0.9rem;
    }
    
    .features h2 {
        font-size: 1.5rem;
    }
    
    .feature h3 {
        font-size: 1.2rem;
    }
    
    .error-page h1 {
        font-size: 4rem;
    }
    
    .error-page h2 {
        font-size: 1.5rem;
    }
}