.signup-container {
    max-width: 700px;
    margin: 40px auto;
}

.form-section {
    background: white;
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.form-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 15px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-description {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 40px;
    font-size: 1.1rem;
    line-height: 1.7;
}

.interest-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(57, 156, 248, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: var(--surface);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.checkbox-group:hover {
    background: #e0e7ff;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checkbox-group label {
    margin: 0 !important;
    cursor: pointer;
    flex: 1;
}

.submit-btn {
    width: 100%;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(57, 156, 248, 0.3);
}

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

.required-note {
    color: var(--text-light);
    font-size: 0.9rem;
    text-align: center;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .form-section {
        padding: 40px 30px;
    }

    .form-title {
        font-size: 2rem;
    }

    .form-description {
        font-size: 1rem;
    }
}