.cooperation-full-form {
    max-width: 800px;
    margin: 0 auto;
}

.cooperation-title {
    text-align: center;
    font-size: 2.8rem;
    font-weight: 700;
    color: #141414;
    margin-bottom: 1rem;
}

.cooperation-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #141414;
    margin-bottom: 3rem;
    line-height: 1.6;
    font-weight: 300;
}

.cooperation-form-wrapper {
    background: white;
    padding: 3.5rem;
    /* border-radius: 25px; */
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    margin-bottom: 50px;
}

.cooperation-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cooperation-field-group {
    position: relative;
    margin-bottom: 0rem;
}

.cooperation-label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: #2d3748;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.cooperation-input {
    width: 100%;
    padding: 0.6rem 0.6rem;
    border: 1px solid #bababa;
    /* border-radius: 15px; */
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    color: #2d3748;
    box-sizing: border-box;
    font-family: inherit;
}

.cooperation-input:focus {
    outline: none;
    border-color: #141414;
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.cooperation-input:hover {
    border-color: #141414;
    background: white;
}

.cooperation-input::placeholder {
    color: #a0aec0;
    opacity: 1;
}

.cooperation-textarea {
    width: 100%;
    padding: 1.2rem 1.5rem;
    /* border: 2px solid #141414; */
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    color: #2d3748;
    box-sizing: border-box;
    min-height: 140px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.5;
    border: 1px solid #bababa;
}

.cooperation-textarea:focus {
    outline: none;
    border-color: #141414;
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.cooperation-textarea:hover {
    border-color: #141414;
}

.cooperation-select-container {
    position: relative;
    display: block;
}

.cooperation-select {
    width: 100%;
    padding: 0.6rem 0.6rem;
    padding-right: 3.5rem;
    /* border: 2px solid #141414; */
    /* border-radius: 15px; */
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    color: #2d3748;
    box-sizing: border-box;
    appearance: none;
    cursor: pointer;
    font-family: inherit;
    border: 1px solid #bababa;
}

.cooperation-select:focus {
    outline: none;
    border-color: #141414;
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
    padding: 0.6rem 0.6rem;
}

.cooperation-select:hover {
    border-color: #141414;
    background: white;
}

.cooperation-select-arrow {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    pointer-events: none;
    transition: transform 0.3s ease;
}

.cooperation-select-arrow::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23667389'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.cooperation-select:focus + .cooperation-select-arrow {
    transform: translateY(-50%) rotate(180deg);
}

.cooperation-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    cursor: pointer;
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    padding: 1rem;
    border-radius: 12px;
    transition: background-color 0.3s ease;
}

.cooperation-checkbox:hover {
    background: #f7fafc;
}

.cooperation-checkbox input[type="checkbox"] {
    display: none;
}

.cooperation-checkbox-icon {
    width: 22px;
    height: 22px;
    border: 2px solid #cbd5e0;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.cooperation-checkbox-icon::after {
    content: '';
    width: 12px;
    height: 8px;
    border: 2px solid white;
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cooperation-checkbox input[type="checkbox"]:checked + .cooperation-checkbox-icon {
    background: #141414;
    border-color: #141414;
}

.cooperation-checkbox input[type="checkbox"]:checked + .cooperation-checkbox-icon::after {
    opacity: 1;
}

.cooperation-checkbox-text {
    color: #4a5568;
    flex: 1;
}

.cooperation-checkbox-text a {
    color: black;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.cooperation-checkbox-text a:hover {
    text-decoration: underline;
}

.cooperation-submit-btn {
    background: #141414;
    color: white;
    border: none;
    padding: 1.4rem 2rem;
    /* border-radius: 10px; */
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.cooperation-submit-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.4);
}

.cooperation-submit-btn:active:not(:disabled) {
    transform: translateY(-1px);
}

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

.cooperation-input.cooperation-error,
.cooperation-select.cooperation-error,
.cooperation-textarea.cooperation-error,
.cooperation-checkbox.cooperation-error .cooperation-checkbox-icon {
    border-color: #e53e3e;
    background-color: #fef5f5;
}

.cooperation-error-message {
    color: #e53e3e;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: none;
    animation: cooperationSlideDown 0.3s ease;
}

@keyframes cooperationSlideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .cooperation-form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .cooperation-form-wrapper {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
        border-radius: 20px;
    }

    .cooperation-title {
        font-size: 2.2rem;
    }

    .cooperation-section {
        padding: 40px 0;
    }

    .cooperation-input,
    .cooperation-select,
    .cooperation-textarea {
        padding: 1rem 1.2rem;
    }
}

.cooperation-form-wrapper {
    animation: cooperationFormAppear 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes cooperationFormAppear {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.group-text{margin-top: 15px;}