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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-image:
        linear-gradient(
            rgba(255, 255, 255, 0.55), 
            rgba(0, 0, 0, 0.90)
        ),
        url('../images/bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    height: 100vh;
    display: flex;
    flex-direction: column;
    color: #fff;
}

.container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    min-height: calc(100vh - 120px);
}

.content {
    padding: 25px;
    max-width: 600px;
    width: 100%;
    text-align: center;
}

.logo-container {
    margin-bottom: -20px;
}

.logo {
    max-width: 180px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.welcome {
    font-size: 2.2em;
    margin-bottom: 3px;
    color: #fff;
    font-weight: 300;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.description {
    font-size: 1.1em;
    color: #fff;
    margin-bottom: 5px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.company {
    font-size: 0.95em;
    color: #fff;
    margin-bottom: 15px;
    font-style: italic;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.form-container {
    margin-top: 15px;
}

.messages {
    margin-bottom: 12px;
}

.message {
    padding: 10px 15px;
    border-radius: 5px;
    margin-bottom: 8px;
    font-size: 0.9em;
}

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

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

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

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #fff;
    font-size: 0.9em;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 6px;
    font-size: 0.95em;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.9);
    transition: border-color 0.3s ease, background 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    background: rgba(255, 255, 255, 1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(10deg, #919191, #ffffff);
    color: rgb(51, 51, 51);
    border: none;
    border-radius: 6px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.5s ease, box-shadow 0.2s ease;
    margin-top: 8px;
}

.submit-btn:hover {
    transform: translate(0, -1px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.1);
}

.submit-btn:active {
    transform: translateY(0);
}

.footer {
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: auto;
}

.credits {
    font-size: 0.9em;
    margin-bottom: 5px;
    font-weight: 600;
}

.footer-email {
    font-size: 0.85em;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .content {
        padding: 15px 12px;
    }
    
    .welcome {
        font-size: 1.8em;
    }
    
    .description {
        font-size: 0.95em;
    }
    
    .logo {
        max-width: 140px;
    }
}

/* Notification Styles - Gray/Black Theme */
.notification-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.notification-overlay.show {
    opacity: 1;
}

.notification-box {
    background: linear-gradient(135deg, #2c2c2c, #1a1a1a);
    border-radius: 15px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    border: 2px solid #404040;
}

.notification-overlay.show .notification-box {
    transform: scale(1);
}

.notification-content {
    text-align: center;
    color: #ffffff;
}

.notification-content h2 {
    font-size: 1.8em;
    margin-bottom: 20px;
    color: #ffffff;
    font-weight: 600;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.notification-content p {
    font-size: 1.1em;
    margin-bottom: 15px;
    color: #e0e0e0;
    line-height: 1.6;
}

.notification-content .signature {
    font-size: 1.2em;
    font-weight: 600;
    color: #ffffff;
    margin-top: 25px;
    margin-bottom: 30px;
}

.notification-close-btn {
    background: linear-gradient(135deg, #4a4a4a, #2c2c2c);
    color: #ffffff;
    border: 2px solid #555555;
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.notification-close-btn:hover {
    background: linear-gradient(135deg, #5a5a5a, #3c3c3c);
    border-color: #666666;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.notification-close-btn:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .notification-box {
        padding: 30px 20px;
    }
    
    .notification-content h2 {
        font-size: 1.5em;
    }
    
    .notification-content p {
        font-size: 1em;
    }
}