/* ====== Hero ====== */
.hero {
    background: linear-gradient(135deg, #7c3aed 0%, #4c1d95 100%);
    color: var(--text-white);
    padding: var(--space-4xl) 0 var(--space-3xl);
    text-align: center;
}

.hero h1 {
    color: var(--text-white);
    font-size: 2.75rem;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
}

.hero-subtitle {
    font-size: 1.15rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-2xl);
}

.hero-cta .btn-primary {
    background: var(--text-white);
    color: var(--primary);
    border-color: var(--text-white);
}

.hero-cta .btn-primary:hover {
    background: var(--primary-bg);
    color: var(--primary-dark);
}

.hero-cta .btn-ghost {
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--text-white);
}

.hero-cta .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-white);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
}

.hero-stat {
    text-align: center;
}

.hero-stat strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
}

.hero-stat span {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* ====== Features ====== */
.features {
    padding: var(--space-4xl) 0;
}

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

.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.feature-card h3 {
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ====== Guide ====== */
.guide {
    background: var(--bg-white);
    padding: var(--space-4xl) 0;
}

.guide-content {
    max-width: 700px;
    margin: 0 auto;
}

.guide-step {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border);
}

.guide-step:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.guide-step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--text-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.guide-step h3 {
    margin-bottom: var(--space-sm);
}

.guide-step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.guide-formula {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--primary-dark);
    margin: var(--space-md) 0;
}

.guide-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* ====== Pricing ====== */
.pricing-section {
    padding: var(--space-4xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
}

.pricing-card-featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
    position: relative;
}

.pricing-badge {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.pricing-card-featured .pricing-badge {
    background: var(--primary);
    color: var(--text-white);
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: var(--space-xs);
}

.pricing-per {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--space-lg);
}

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

.pricing-features li {
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-light);
    padding-left: 24px;
    position: relative;
}

.pricing-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 16px;
    height: 16px;
    background: var(--positive);
    border-radius: var(--radius-full);
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20,6 9,17 4,12'/%3E%3C/svg%3E") center/contain no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20,6 9,17 4,12'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ====== FAQ ====== */
.faq {
    background: var(--bg-white);
    padding: var(--space-4xl) 0;
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item summary {
    padding: var(--space-lg) 0;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-muted);
    transition: transform 0.2s;
}

.faq-item[open] summary::after {
    content: '-';
}

.faq-item p {
    padding-bottom: var(--space-lg);
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}