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

body {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    color: #181818;
    background: linear-gradient(135deg, #43a1d0 0%, #2a3064 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Логотип */
.logo-container {
    text-align: center;
    padding: 20px 0;
}

.logo-container img {
    max-width: 256px;
    height: auto;
}

/* Заголовки */
h1 {
    font-size: 2.2rem;
    text-align: center;
    margin: 30px 0 40px;
    font-weight: 700;
    line-height: 1.3;
}

/* Форма */
.feedback-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 18px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    color: #181818;
    background: white;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #43a1d0;
    box-shadow: 0 0 0 3px rgba(67, 161, 208, 0.2);
}

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

/* Чекбокс */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin: 30px 0;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.checkbox-group label {
    font-size: 14px;
    line-height: 1.5;
    color: #555;
}

.privacy-link {
    color: #2a3064;
    text-decoration: none;
    font-weight: 600;
}

.privacy-link:hover {
    text-decoration: underline;
}

/* Кнопка */
.submit-btn {
    width: 100%;
    padding: 20px;
    background: linear-gradient(135deg, #43a1d0 0%, #2a3064 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(42, 48, 100, 0.3);
}

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

/* Страница благодарности */
.thank-you-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background: #f0f9ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success-icon svg {
    width: 40px;
    height: 40px;
}

.subtitle {
    font-size: 1.2rem;
    color: #666;
    margin: 15px 0 40px;
    line-height: 1.6;
}

.back-link {
    display: inline-block;
    padding: 15px 30px;
    background: #f0f9ff;
    color: #2a3064;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.back-link:hover {
    background: #e1f2ff;
    transform: translateY(-2px);
}

/* Адаптивность */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    h1 {
        font-size: 1.8rem;
        margin: 20px 0 30px;
    }
    
    .feedback-form,
    .thank-you-content {
        padding: 30px 25px;
        margin: 0 15px;
    }
    
    .logo-container {
        padding: 15px 0;
    }
    
    .logo-container img {
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }
    
    .feedback-form,
    .thank-you-content {
        padding: 25px 20px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 15px;
        font-size: 15px;
    }
    
    .checkbox-group {
        margin: 20px 0;
    }
    
    .submit-btn {
        padding: 18px;
        font-size: 16px;
    }
}