.sh-signup-wrapper {
    padding: 60px 20px;
    display: flex;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

.sh-headline {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.sh-subheadline {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.8;
}

.sh-form-container {
    width: 100%;
    text-align: left;
}

.sh-form-field {
    margin-bottom: 20px;
}

.sh-form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.sh-input {
    width: 100%;
    padding: 16px 20px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: transparent;
    outline: none;
    transition: border-color 0.3s ease;
}

.sh-input:focus {
    border-color: #111;
}

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

.sh-checkbox-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.sh-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
}

.sh-btn {
    width: 100%;
    padding: 16px 30px;
    font-size: 16px;
    font-weight: 500;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: opacity 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 54px;
}

.sh-btn:hover {
    opacity: 0.9;
}

.sh-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.sh-message-area {
    margin-top: 15px;
    font-size: 14px;
    display: none;
    padding: 12px;
    border-radius: 4px;
}

.sh-success {
    background-color: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.sh-error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.sh-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: sh-spin 1s ease-in-out infinite;
}

@keyframes sh-spin {
    to { transform: rotate(360deg); }
}

@media (min-width: 768px) {
    .sh-checkbox-options {
        grid-template-columns: repeat(3, 1fr);
    }
}