.hero-section {
    padding: var(--space-24) 0 var(--space-20);
    text-align: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%236366F1" stop-opacity="0.1"/><stop offset="100%" stop-color="%236366F1" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="120" fill="url(%23a)"/><circle cx="800" cy="300" r="100" fill="url(%23a)"/><circle cx="400" cy="700" r="80" fill="url(%23a)"/></svg>') no-repeat center center;
    background-size: cover;
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-10px) rotate(1deg); }
    66% { transform: translateY(5px) rotate(-1deg); }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 56px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-6);
    line-height: var(--line-height-tight);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: var(--space-12);
    line-height: var(--line-height-relaxed);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-12);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
}

.arrow {
    display: inline-block;
    transition: transform 0.2s;
}

.btn-secondary:hover .arrow {
    transform: translateX(4px);
}

.tools-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
    transition: all var(--transition-normal);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-8);
}

.section-title {
    font-size: 24px;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.view-all {
    color: var(--primary-blue);
    font-weight: var(--font-medium);
    transition: color 0.2s;
}

.view-all:hover {
    color: var(--primary-blue-hover);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-16);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.tool-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
    group: hover;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--info) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

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

.tool-card:hover::before {
    opacity: 0.02;
}

.tool-card > * {
    position: relative;
    z-index: 1;
}

.tool-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-5);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
}

.tool-icon svg {
    width: 36px;
    height: 36px;
    color: var(--primary);
    transition: all var(--transition-fast);
}

/* Tool Icons */
.tool-card:nth-child(1) .tool-icon {
    background: var(--primary-50);
    border-color: rgba(99, 102, 241, 0.2);
}

.tool-card:nth-child(1) .tool-icon svg {
    color: var(--primary);
}

.tool-card:nth-child(2) .tool-icon {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
}

.tool-card:nth-child(2) .tool-icon svg {
    color: var(--success);
}

.tool-card:nth-child(3) .tool-icon {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
}

.tool-card:nth-child(3) .tool-icon svg {
    color: var(--warning);
}

.tool-card:nth-child(4) .tool-icon {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

.tool-card:nth-child(4) .tool-icon svg {
    color: var(--info);
}

.tool-card:hover .tool-icon {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.tool-card:hover .tool-icon svg {
    transform: scale(1.1);
}

.tool-name {
    font-size: 18px;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.tool-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn-large {
        width: 100%;
        justify-content: center;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

/* SEO Content Sections */
.features-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
    position: relative;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-12);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--success) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

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

.feature-card:hover::before {
    opacity: 0.02;
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

.feature-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto var(--space-6);
    background: var(--primary-50);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.feature-title {
    font-size: 20px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.feature-description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Use Cases Section */
.use-cases-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
    transition: all var(--transition-normal);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.use-case-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--success) 0%, var(--info) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

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

.use-case-card:hover::before {
    opacity: 0.02;
}

.use-case-card > * {
    position: relative;
    z-index: 1;
}

.use-case-icon {
    width: 68px;
    height: 68px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-5);
    color: var(--success);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-normal);
}

.use-case-card:hover .use-case-icon {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.use-case-title {
    font-size: 18px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.use-case-description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* FAQ Section */
.faq-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--info) 0%, var(--primary) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.faq-item:hover {
    border-color: var(--info);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.faq-item:hover::before {
    opacity: 0.02;
}

.faq-item > * {
    position: relative;
    z-index: 1;
}

.faq-question {
    font-size: 16px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.faq-answer {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Responsive Design for New Sections */
@media (max-width: 1024px) {
    .features-grid,
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features-grid,
    .use-cases-grid,
    .faq-grid,
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card:hover,
    .use-case-card:hover {
        transform: none;
    }
}