/* Learn Specific Styles */
.learn-section {
    padding: 80px 0;
    background: var(--gradient-light);
}

.learn-header {
    text-align: center;
    margin-bottom: 48px;
}

.learn-header h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.learn-header p {
    font-size: 20px;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.quick-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.quick-nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: 50px;
    text-decoration: none;
    color: var(--color-gray-600);
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.quick-nav-item:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-nav-item i {
    width: 16px;
    height: 16px;
}

.learn-content-section {
    margin-bottom: 80px;
    scroll-margin-top: 100px;
}

.learn-content-section h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--color-gray-800);
    display: flex;
    align-items: center;
    gap: 12px;
}

.learn-content-section h2 i {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
}

.content-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.content-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.content-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 16px;
}

.content-card p {
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: 16px;
}

.content-card ul {
    margin-left: 20px;
    color: var(--color-gray-600);
    line-height: 1.6;
}

.content-card ul li {
    margin-bottom: 8px;
}

.key-points {
    margin-top: 20px;
}

.key-point {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.key-point:last-child {
    border-bottom: none;
}

.key-point i {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.key-point span {
    color: var(--color-gray-700);
    font-weight: 500;
}

/* Wallet Types Section */
.wallet-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.wallet-type-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.wallet-type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.wallet-type-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.wallet-type-card:hover::before {
    transform: scaleX(1);
}

.wallet-type-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--gradient-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
}

.wallet-type-icon i {
    width: 32px;
    height: 32px;
}

.wallet-type-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 12px;
}

.security-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.security-badge.high {
    background: rgba(72, 187, 120, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(72, 187, 120, 0.2);
}

.security-badge.medium {
    background: rgba(237, 137, 54, 0.1);
    color: var(--color-warning);
    border: 1px solid rgba(237, 137, 54, 0.2);
}

.security-badge.low {
    background: rgba(245, 101, 101, 0.1);
    color: var(--color-error);
    border: 1px solid rgba(245, 101, 101, 0.2);
}

.pros-cons-section {
    margin: 24px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.pros, .cons {
    background: var(--color-gray-50);
    border-radius: 12px;
    padding: 16px;
}

.pros h4, .cons h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pros h4 {
    color: var(--color-success);
}

.cons h4 {
    color: var(--color-error);
}

.pros ul, .cons ul {
    list-style: none;
    margin: 0;
}

.pros li, .cons li {
    padding: 4px 0;
    font-size: 14px;
    position: relative;
    padding-left: 20px;
}

.pros li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

.cons li::before {
    content: "×";
    position: absolute;
    left: 0;
    color: var(--color-error);
    font-weight: bold;
}

.best-for {
    margin-top: 20px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 12px;
    font-size: 14px;
    color: var(--color-gray-700);
}

/* Security Section */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.security-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.security-card.critical::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-error);
}

.security-card.important::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-warning);
}

.security-card.recommended::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-success);
}

.security-level {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.security-card.critical .security-level {
    background: rgba(245, 101, 101, 0.1);
    color: var(--color-error);
}

.security-card.important .security-level {
    background: rgba(237, 137, 54, 0.1);
    color: var(--color-warning);
}

.security-card.recommended .security-level {
    background: rgba(72, 187, 120, 0.1);
    color: var(--color-success);
}

.security-tips {
    margin-top: 16px;
}

.tip {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 14px;
}

.tip i {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Backup Section */
.backup-steps {
    display: grid;
    gap: 32px;
}

.backup-step {
    display: flex;
    gap: 24px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 12px;
}

.step-content p {
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: 16px;
}

.step-warning, .step-tip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}

.step-warning {
    background: rgba(237, 137, 54, 0.1);
    color: var(--color-warning);
    border: 1px solid rgba(237, 137, 54, 0.2);
}

.step-tip {
    background: rgba(72, 187, 120, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(72, 187, 120, 0.2);
}

.step-warning i, .step-tip i {
    width: 16px;
    height: 16px;
}

.storage-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.storage-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}

.storage-option.good {
    background: rgba(72, 187, 120, 0.1);
    color: var(--color-success);
}

.storage-option.bad {
    background: rgba(245, 101, 101, 0.1);
    color: var(--color-error);
}

.storage-option i {
    width: 16px;
    height: 16px;
}

/* Choosing Section */
.choosing-guide {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
}

.guide-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.guide-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 24px;
}

.consideration-list {
    display: grid;
    gap: 20px;
}

.consideration {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--color-gray-50);
    border-radius: 12px;
}

.consideration i {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 4px;
}

.consideration strong {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-gray-800);
    display: block;
    margin-bottom: 8px;
}

.consideration p {
    color: var(--color-gray-600);
    font-size: 14px;
    line-height: 1.5;
}

.strategy-list {
    display: grid;
    gap: 24px;
}

.strategy {
    padding: 24px;
    background: var(--color-gray-50);
    border-radius: 12px;
}

.strategy h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 12px;
}

.strategy p {
    color: var(--color-gray-600);
    margin-bottom: 16px;
}

.strategy-example {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
}

.example-item {
    padding: 8px 16px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 20px;
}

.plus, .arrow {
    color: var(--color-gray-400);
    font-weight: bold;
}

/* Learn CTA */
.learn-cta {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: 20px;
    padding: 48px;
    text-align: center;
    margin-top: 48px;
}

.learn-cta h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
}

.learn-cta p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.learn-cta .btn {
    background: var(--color-white);
    color: var(--color-primary);
}

/* Mobile Styles */
@media (max-width: 768px) {
    .learn-header h1 {
        font-size: 36px;
    }
    
    .learn-header p {
        font-size: 18px;
    }
    
    .quick-nav {
        flex-direction: column;
        align-items: center;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .wallet-types-grid {
        grid-template-columns: 1fr;
    }
    
    .pros-cons-section {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .backup-step {
        flex-direction: column;
        text-align: center;
    }
    
    .choosing-guide {
        grid-template-columns: 1fr;
    }
    
    .storage-options {
        grid-template-columns: 1fr;
    }
    
    .strategy-example {
        flex-direction: column;
        gap: 8px;
    }
    
    .learn-cta {
        padding: 32px 24px;
    }
    
    .learn-content-section h2 {
        font-size: 28px;
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}