/* Hero Section */
.hero {
    background: #2563eb;
    color: white;
    padding: 5rem 0;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero-badge svg {
    width: 20px;
    height: 20px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.hero-buttons .btn-primary {
    background: white;
    color: #2563eb;
    font-weight: 700;
    padding: 0.875rem 2rem;
    font-size: 1.0625rem;
}

.hero-buttons .btn-primary:hover {
    background: var(--bg-light);
    color: #1e40af;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* Problem Section */
.problem-section {
    padding: 5rem 0;
    background: var(--bg-white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.problem-card {
    background: var(--bg-gray);
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-icon {
    width: 64px;
    height: 64px;
    background: #2563eb;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
}

.problem-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

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

/* Features Section */
.features-section {
    padding: 5rem 0;
    background: var(--bg-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: var(--bg-gray);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #2563eb;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

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

/* Technology Section */
.technology-section {
    padding: 5rem 0;
    background: var(--bg-white);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-card {
    background: var(--bg-gray);
    padding: 2.5rem;
    border-radius: 0.5rem;
    border: 2px solid var(--border-color);
    position: relative;
    transition: transform 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-5px);
}

.tech-card-premium {
    border-color: #2563eb;
}

.tech-badge {
    display: inline-block;
    background: var(--text-gray);
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.tech-badge-premium {
    background: #2563eb;
}

.tech-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.tech-card p {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tech-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-features li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 1.5rem;
}

.tech-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 700;
}

/* SEO Section */
.seo-section {
    padding: 4rem 0;
    background: #f0f4f8;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.seo-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.seo-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.seo-content p {
    font-size: 1.125rem;
    color: var(--text-gray);
    line-height: 1.7;
}

/* FAQ Section */
.faq-section {
    padding: 5rem 0;
    background: var(--bg-white);
}

.faq-container {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.5rem;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(0, 0, 0, 0.02);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer > div {
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.7;
    margin: 0;
}

/* Final CTA Section */
.final-cta {
    background: #1e40af;
    color: white;
    padding: 5rem 0;
}

.final-cta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.final-cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.final-cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.6;
}

.btn-large {
    font-size: 1.125rem;
    padding: 1rem 2.5rem;
}

.final-cta .btn-primary {
    background: white;
    color: #1e40af;
}

.final-cta .btn-primary:hover {
    background: var(--bg-light);
    color: #1e40af;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .problem-grid,
    .features-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .final-cta-content h2 {
        font-size: 1.75rem;
    }
}