.donation-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 32px 0;
}

.step-card-horizontal {
    display: flex;
    gap: 24px;
    padding: 32px;
    background: white;
    border: 2px solid var(--border-gray);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.step-card-horizontal:hover {
    border-color: var(--primary-green);
    box-shadow: 0 8px 24px rgba(109, 184, 114, 0.15);
}

.step-number-large {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-green) 0%, #10B981 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(109, 184, 114, 0.3);
}

.step-content h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--body-text);
    line-height: 1.7;
    margin-bottom: 16px;
}

.section-title-center {
    text-align: center;
    font-size: 36px;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--body-text);
    margin-bottom: 48px;
}

.donation-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.option-card {
    padding: 32px;
    background: white;
    border: 2px solid var(--border-gray);
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
}

.option-card:hover {
    border-color: var(--primary-green);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(109, 184, 114, 0.15);
}

.option-icon {
    width: 80px;
    height: 80px;
    background: rgba(109, 184, 114, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-green);
}

.option-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.option-card p {
    color: var(--body-text);
    line-height: 1.6;
}

.suggested-amounts {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 16px;
    flex-wrap: wrap;
}

.suggested-amounts span {
    padding: 8px 16px;
    background: var(--background);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-text);
}

.highlight-text {
    color: var(--primary-green);
    font-weight: 600;
    margin-top: 12px;
}

.impact-tiers-section {
    background: var(--background);
    padding: 64px 48px;
    border-radius: 24px;
}

.impact-tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.tier-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid var(--border-gray);
    transition: all 0.3s ease;
    position: relative;
}

.tier-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.tier-featured {
    border-color: var(--primary-green);
    border-width: 3px;
}

.tier-badge {
    position: absolute;
    top: 12px;
    right: -32px;
    background: var(--primary-green);
    color: white;
    padding: 4px 40px;
    font-size: 12px;
    font-weight: 700;
    transform: rotate(45deg);
}

.tier-header {
    padding: 24px;
    text-align: center;
    color: white;
}

.tier-bronze { background: linear-gradient(135deg, #CD7F32 0%, #B87333 100%); }
.tier-silver { background: linear-gradient(135deg, #C0C0C0 0%, #A8A8A8 100%); }
.tier-gold { background: linear-gradient(135deg, #FFD700 0%, #FFC107 100%); }
.tier-platinum { background: linear-gradient(135deg, #E5E4E2 0%, #9C9C9C 100%); }

.tier-header h3 {
    font-size: 24px;
    margin-bottom: 8px;
    color: white;
}

.tier-amount {
    font-size: 18px;
    font-weight: 700;
}

.tier-benefits {
    padding: 24px;
    list-style: none;
}

.tier-benefits li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-gray);
    color: var(--body-text);
}

.tier-benefits li:last-child {
    border-bottom: none;
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.payment-card {
    text-align: center;
    padding: 24px;
}

.payment-card svg {
    color: var(--primary-green);
    margin-bottom: 16px;
}

.payment-card h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.payment-card p {
    color: var(--body-text);
}

.security-note {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--body-text);
    font-size: 14px;
    padding: 20px;
    background: rgba(109, 184, 114, 0.05);
    border-radius: 12px;
}

.security-note svg {
    color: var(--primary-green);
}

@media (max-width: 768px) {
    .step-card-horizontal {
        flex-direction: column;
        text-align: center;
    }

    .step-number-large {
        margin: 0 auto;
    }

    .impact-tiers-section {
        padding: 40px 20px;
    }

    .section-title-center {
        font-size: 28px;
    }
}