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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: #333;
}

.container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    padding: 40px;
    animation: fadeIn 0.5s ease-in;
}

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

header {
    text-align: center;
    margin-bottom: 40px;
}

.domain-name {
    font-size: 3.5em;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2em;
    color: #666;
    margin-bottom: 20px;
}

.language-switcher {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.lang-btn {
    padding: 8px 16px;
    border: 2px solid #667eea;
    background: white;
    color: #667eea;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background: #f0f0f0;
}

.lang-btn.active {
    background: #667eea;
    color: white;
}

.info-section {
    margin-bottom: 30px;
    text-align: center;
}

.description {
    font-size: 1.1em;
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
}

.contact-info {
    font-size: 1em;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.contact-info a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.contact-info a:hover {
    text-decoration: underline;
}

.copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    border-radius: 4px;
    transition: all 0.2s ease;
    margin-left: 4px;
}

.copy-btn:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: scale(1.1);
}

.copy-btn:active {
    transform: scale(0.95);
}

.copy-btn svg {
    display: block;
}

.copy-success-msg {
    color: #28a745;
    font-size: 0.9em;
    font-weight: 600;
    margin-left: 8px;
    animation: fadeInOut 2s ease;
}

@keyframes fadeInOut {
    0% {
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    80% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

.offer-form-container {
    margin-top: 30px;
}

.offer-form-container h2 {
    font-size: 1.8em;
    color: #333;
    margin-bottom: 25px;
    text-align: center;
}

.offer-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: #333;
    font-size: 0.95em;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.currency {
    position: absolute;
    left: 15px;
    font-size: 1.2em;
    font-weight: 600;
    color: #666;
    z-index: 1;
}

.input-wrapper input[type="number"] {
    padding-left: 35px;
}

.form-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1em;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.submit-btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

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

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    font-weight: 500;
    display: none;
}

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

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

footer {
    margin-top: 40px;
    text-align: center;
    color: #999;
    font-size: 0.9em;
}

@media (max-width: 600px) {
    .container {
        padding: 30px 20px;
    }

    .domain-name {
        font-size: 2.5em;
    }

    .subtitle {
        font-size: 1em;
    }
}