.level-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: linear-gradient(180deg, rgba(249, 250, 251, 0.95), #ffffff);
}

.level-heading {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
}

.level-heading span:first-child {
    font-size: clamp(18px, 2.4vw, 22px);
    font-weight: 700;
    color: #111827;
}

.level-price {
    font-weight: 700;
    color: var(--accent, #ef4444);
    font-size: clamp(16px, 2vw, 18px);
}

.level-perks {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 14px;
    color: #4b5563;
}

.level-perks li {
    position: relative;
    padding-left: 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.level-perks li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent, #ef4444);
}

.level-perk-label {
    font-weight: 600;
    color: #111827;
}

.level-perk-description {
    font-size: 13px;
    color: #4b5563;
}

.level-availability {
    font-size: 13px;
    color: #64748b;
    margin: 0;
}

.level-interest-btn {
    display: inline-block;
    margin-top: auto;
    padding: 10px 20px;
    background: var(--primary, #1f2937);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.15s;
}

.level-interest-btn:hover {
    opacity: 0.85;
}

/* Sponsor Interest Modal */
.sponsor-interest-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    padding: 1rem;
}

.sponsor-interest-modal {
    background: #ffffff;
    border-radius: 20px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
    animation: sponsorModalIn 0.2s ease-out;
}

@keyframes sponsorModalIn {
    from { opacity: 0; transform: translateY(12px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.sponsor-interest-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.22);
}

.sponsor-interest-modal__header h3 {
    margin: 0;
    font-size: clamp(17px, 2.2vw, 20px);
    font-weight: 700;
    color: #111827;
}

.sponsor-interest-modal__close {
    background: none;
    border: none;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    color: #9ca3af;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}

.sponsor-interest-modal__close:hover {
    background: #f3f4f6;
    color: #374151;
}

.sponsor-interest-modal__body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.sponsor-interest-modal__level-label {
    background: color-mix(in srgb, var(--primary, #1f2937) 10%, white);
    color: var(--primary, #1f2937);
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    margin: 0 0 20px;
    text-align: center;
}

/* Modal form fields */
.sponsor-interest-modal__body .form-group {
    margin-bottom: 16px;
}

.sponsor-interest-modal__body .form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 6px;
}

.sponsor-interest-modal__body .form-group input[type="text"],
.sponsor-interest-modal__body .form-group input[type="email"],
.sponsor-interest-modal__body .form-group input[type="tel"],
.sponsor-interest-modal__body .form-group input[type="url"],
.sponsor-interest-modal__body .form-group select,
.sponsor-interest-modal__body .form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    color: #111827;
    background: #ffffff;
    transition: border-color 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
}

.sponsor-interest-modal__body .form-group input:focus,
.sponsor-interest-modal__body .form-group select:focus,
.sponsor-interest-modal__body .form-group textarea:focus {
    outline: none;
    border-color: var(--primary, #4f46e5);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary, #4f46e5) 15%, transparent);
}

.sponsor-interest-modal__body .form-group input[type="file"] {
    width: 100%;
    padding: 8px;
    border: 1px dashed #d1d5db;
    border-radius: 10px;
    font-size: 14px;
    color: #6b7280;
    background: #f9fafb;
    cursor: pointer;
    box-sizing: border-box;
}

.sponsor-interest-modal__body .form-group input[type="file"]::file-selector-button {
    padding: 6px 14px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #ffffff;
    font-size: 13px;
    font-weight: 500;
    color: #374151;
    cursor: pointer;
    margin-right: 10px;
}

.sponsor-interest-modal__body .form-group input[type="file"]::file-selector-button:hover {
    background: #f3f4f6;
}

.sponsor-interest-modal__body .form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.sponsor-interest-modal__body .form-group small {
    display: block;
    margin-top: 4px;
    font-size: 13px;
    color: #9ca3af;
}

/* Preview card in modal — no hover effects */
.sponsor-interest-modal__body .sponsor-card {
    pointer-events: none;
}
.sponsor-interest-modal__body .sponsor-card:hover {
    transform: none;
    box-shadow: none;
}

/* Submit button inside modal */
.sponsor-interest-modal__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border: none;
    border-radius: 999px;
    background: var(--primary, #1f2937);
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}
.sponsor-interest-modal__submit:hover {
    background: color-mix(in srgb, var(--primary, #1f2937) 85%, black);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px color-mix(in srgb, var(--primary, #1f2937) 30%, transparent);
}
.sponsor-interest-modal__submit:active {
    transform: translateY(0);
}
.sponsor-interest-modal__submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

@media (max-width: 600px) {
    .sponsor-interest-modal {
        max-width: 100%;
        max-height: 95vh;
        border-radius: 16px 16px 0 0;
        margin-top: auto;
    }

    .sponsor-interest-overlay {
        align-items: flex-end;
        padding: 0;
    }
}