/* Hero Section */
.hero {
    min-height: 100vh;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.hero-title i {
    color: #ffd700;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-sm);
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
}

.hero-image {
    flex: 1;
    max-width: 500px;
}

/* Calculator Demo */
.calculator {
    background: #1e293b;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.announcement-toggle {
    text-align: right;
    margin-bottom: 1rem;
}

.toggle-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 8px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    transition: all 0.3s ease;
}

.toggle-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.calculator-display {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: right;
}

.display-text {
    font-size: 2.5rem;
    font-weight: 600;
    color: #1e293b;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.display-indicator {
    font-size: 0.875rem;
    color: #667eea;
    font-weight: 500;
}

.calculator-buttons {
    display: grid;
    gap: 0.75rem;
}

.calc-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.calc-row:first-child {
    grid-template-columns: repeat(2, 1fr);
}

.calc-btn {
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1.125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.calc-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.calc-btn.sale {
    background: #10b981;
}

.calc-btn.sale:hover,
.calc-btn.sale.selected {
    background: #059669;
}

.calc-btn.expense {
    background: #ef4444;
}

.calc-btn.expense:hover,
.calc-btn.expense.selected {
    background: #dc2626;
}

.calc-btn.operator {
    background: #f59e0b;
}

.calc-btn.operator:hover {
    background: #d97706;
}

.calc-btn.equals {
    background: #3b82f6;
}

.calc-btn.equals:hover {
    background: #2563eb;
}

/* Features Section */
.features {
    padding: var(--space-xl) 0;
    background: var(--white);
}

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

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

.feature-card {
    background: #f8fafc;
    border-radius: 16px;
    padding: var(--space-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: #f0f9ff;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 1.75rem;
    color: #667eea;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    text-align: center;
    padding: var(--space-xl) 0;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

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

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Pricing Section */
.pricing {
    padding: var(--space-xl) 0;
    background: var(--gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.pricing-card {
    background: var(--white);
    border-radius: 20px;
    padding: var(--space-xl);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    transform: translateY(-20px);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured:hover {
    transform: translateY(-25px);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--primary);
    color: var(--white);
    padding: 8px 40px;
    font-size: 0.875rem;
    font-weight: 500;
    transform: rotate(45deg);
}

.pricing-header {
    margin-bottom: var(--space-lg);
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.price span {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    color: var(--text-light);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features i {
    color: var(--success);
    font-size: 1.125rem;
}

.pricing-features i.disabled {
    color: var(--text-light);
    opacity: 0.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-xl);
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-image {
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }

    .pricing-card.featured {
        grid-column: span 2;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle,
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .hero-actions a {
        width: 100%;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .cta-actions {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .cta-actions a {
        width: 100%;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        grid-column: auto;
        transform: translateY(0);
    }

    .pricing-card {
        padding: var(--space-lg);
    }

    .price {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }

    .pricing-header h3 {
        font-size: 1.25rem;
    }

    .price {
        font-size: 2rem;
    }

    .price span {
        font-size: 1rem;
    }

    .pricing-features li {
        font-size: 0.875rem;
    }
}