body {
    overflow-y: auto;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 50% 100%, var(--accent-soft) 0%, transparent 55%),
        radial-gradient(ellipse 45% 35% at 85% 0%, var(--accent-soft) 0%, transparent 55%),
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: auto, auto, 64px 64px, 64px 64px;
    -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000000 0%, transparent 75%);
    mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000000 0%, transparent 75%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    opacity: 0.45;
}

.landing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-4) 48px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(6, 8, 16, 0.7);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border-bottom: 1px solid var(--border);
    transition: background var(--t-base), border-color var(--t-base);
}

.landing-brand {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    font-size: var(--fs-xl);
    font-weight: 700;
    letter-spacing: var(--track-title);
}

.landing-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: var(--sp-1);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.landing-nav a:not(.btn-primary) {
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: var(--fs-md);
    font-weight: 500;
    transition: background var(--t-fast), color var(--t-fast);
}

.landing-nav a:not(.btn-primary):hover {
    color: var(--text-primary);
    background: var(--bg-surface-hover);
}

.landing-nav .btn-primary {
    margin-left: var(--sp-2);
}

.landing-menu-toggle {
    display: none;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--sp-10) var(--sp-6) 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    z-index: 10;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    margin-bottom: var(--sp-7);
    padding: var(--sp-2) var(--sp-3);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.hero-badge::before,
.section-badge::before,
.docs-badge::before {
    content: '\3009';
    color: var(--accent);
}

.hero-title {
    font-size: var(--fs-5xl);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: var(--sp-6);
    letter-spacing: -0.035em;
    background: linear-gradient(135deg, #ffffff 40%, var(--text-muted) 130%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.hero-subtitle {
    font-size: var(--fs-xl);
    color: var(--text-secondary);
    margin: 0 auto var(--sp-8);
    max-width: 600px;
    line-height: var(--lh-loose);
}

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

.hero-clients {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-3);
    margin-top: 48px;
    font-size: var(--fs-sm);
    color: var(--text-muted);
    font-weight: 500;
}

.hero-client-dot {
    width: 4px;
    height: 4px;
    border-radius: var(--radius-sm);
    background: var(--border-strong);
}

.btn-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-7);
    border-radius: var(--radius);
    font-size: var(--fs-base);
    font-weight: 600;
    transition: background var(--t-base), border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
}

.btn-large.primary {
    background: var(--accent);
    color: var(--text-on-accent);
}

.btn-large.primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 18px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-large.secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.btn-large.secondary:hover {
    background: var(--bg-surface-active);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.btn-large:active {
    transform: translateY(0);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    margin-bottom: var(--sp-5);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: var(--track-caps);
    text-transform: uppercase;
}

.features-header .section-title,
.problem-section .section-title,
.how-title,
.cta-container h2 {
    font-size: var(--fs-4xl);
    font-weight: 700;
    letter-spacing: var(--track-tight);
    margin-bottom: var(--sp-3);
    background: linear-gradient(135deg, #ffffff 30%, rgba(255, 255, 255, 0.6));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.section-subtitle,
.how-subtitle,
.cta-container p {
    color: var(--text-muted);
    font-size: var(--fs-lg);
    line-height: var(--lh-loose);
    max-width: 560px;
    margin: 0 auto;
}

.features-section,
.how-section,
.cta-section,
.faq-section {
    padding: var(--sp-10) var(--sp-6);
}

.features-section {
    max-width: 1200px;
    margin: 0 auto;
}

.features-header {
    text-align: center;
    margin-bottom: 56px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
}

.feature-card,
.how-step,
.pricing-card {
    background: rgba(8, 12, 22, 0.6);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--t-base), transform var(--t-base), background var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.feature-card {
    padding: 36px var(--sp-7);
}

.feature-card.is-visible,
.how-step.is-visible,
.pricing-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card::before,
.how-step::before,
.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

.feature-card:hover,
.how-step:hover,
.pricing-card:hover {
    transform: translateY(-4px);
    background: rgba(8, 12, 22, 0.85);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

.feature-card:nth-child(1) { transition-delay: 0ms; }
.feature-card:nth-child(2) { transition-delay: 80ms; }
.feature-card:nth-child(3) { transition-delay: 160ms; }
.feature-card:nth-child(4) { transition-delay: 240ms; }
.feature-card:nth-child(5) { transition-delay: 320ms; }
.feature-card:nth-child(6) { transition-delay: 400ms; }

.feature-icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--sp-5);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-tint), var(--accent-soft));
    border: 1px solid var(--accent-edge);
    border-radius: var(--radius);
    color: var(--accent);
    font-size: 28px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform var(--t-fast);
}

.feature-card:hover .feature-icon {
    transform: scale(1.05);
}

.feature-icon.icon-green,
.how-step-icon.icon-green {
    background: linear-gradient(135deg, var(--success-edge), var(--success-light));
    border-color: var(--success-edge);
    color: var(--success);
}

.feature-icon.icon-amber,
.how-step-icon.icon-amber {
    background: linear-gradient(135deg, var(--warning-edge), var(--warning-light));
    border-color: var(--warning-edge);
    color: var(--warning);
}

.feature-icon.icon-red {
    background: linear-gradient(135deg, var(--danger-edge), var(--danger-light));
    border-color: var(--danger-edge);
    color: var(--danger);
}

.feature-icon.icon-pink,
.how-step-icon.icon-pink {
    background: linear-gradient(135deg, var(--accent-tint), var(--accent-soft));
    border-color: var(--accent-edge);
    color: var(--accent);
}

.feature-icon.icon-cyan {
    background: linear-gradient(135deg, var(--info-light), transparent);
    border-color: var(--info-light);
    color: var(--info);
}

.feature-card h3 {
    font-size: var(--fs-xl);
    margin-bottom: var(--sp-2);
    font-weight: 600;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: var(--fs-base);
    line-height: var(--lh-loose);
}

.problem-section {
    padding: var(--sp-10) var(--sp-6) var(--sp-8);
    text-align: center;
}

.problem-text {
    max-width: 640px;
    margin: var(--sp-4) auto 0;
    color: var(--text-secondary);
    font-size: var(--fs-lg);
    line-height: 1.7;
}

.how-section {
    background: var(--bg-surface);
    position: relative;
}

.how-section::before,
.how-section::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.how-section::before { top: 0; }
.how-section::after { bottom: 0; }

.how-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.how-label {
    display: inline-block;
    margin-bottom: var(--sp-5);
    padding: var(--sp-2) var(--sp-4);
    background: var(--accent-tint);
    border: 1px solid var(--accent-edge);
    border-radius: var(--radius);
    color: var(--accent);
    font-size: var(--fs-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.how-subtitle {
    margin-bottom: 48px;
}

.how-flow {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: wrap;
}

.how-step {
    flex: 1;
    min-width: 180px;
    max-width: 200px;
    padding: var(--sp-6) var(--sp-5);
    text-align: center;
}

.how-step:nth-child(1) { transition-delay: 0ms; }
.how-step:nth-child(3) { transition-delay: 120ms; }
.how-step:nth-child(5) { transition-delay: 240ms; }
.how-step:nth-child(7) { transition-delay: 360ms; }

.how-step-num {
    display: inline-block;
    margin-bottom: var(--sp-4);
    padding: var(--sp-1) 10px;
    background: linear-gradient(135deg, var(--accent-fill), var(--accent-tint));
    border-radius: var(--radius-sm);
    font-size: var(--fs-2xs);
    font-weight: 700;
    color: var(--accent);
}

.how-step-content h4 {
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: var(--sp-2);
}

.how-step-content p {
    font-size: var(--fs-md);
    color: var(--text-muted);
    line-height: var(--lh-normal);
}

.how-step-icon {
    margin-top: var(--sp-4);
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-tint), var(--accent-soft));
    border: 1px solid var(--accent-edge);
    border-radius: var(--radius);
    color: var(--accent);
}

.how-step-icon .material-symbols-outlined {
    font-size: 24px;
}

.how-connector {
    display: flex;
    align-items: center;
    padding: 0 var(--sp-3);
    color: var(--text-muted);
    opacity: 0.3;
}

.how-connector .material-symbols-outlined {
    font-size: 20px;
}

.stats-section {
    padding: var(--sp-10) var(--sp-6);
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
}

.stats-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-8);
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: var(--fs-3xl);
    font-weight: 700;
    letter-spacing: var(--track-title);
    background: linear-gradient(135deg, #ffffff 20%, rgba(255, 255, 255, 0.7));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.stat-item .stat-label {
    display: block;
    margin-top: var(--sp-1);
    font-size: var(--fs-sm);
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: normal;
    font-weight: 400;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

.cta-section {
    text-align: center;
    position: relative;
}

.cta-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-container p {
    margin-bottom: var(--sp-7);
}

.cta-actions {
    display: flex;
    gap: var(--sp-4);
    justify-content: center;
    flex-wrap: wrap;
}

.pricing-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--sp-6);
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--sp-5);
}

.pricing-card {
    flex: 1 1 300px;
    max-width: 340px;
    padding: 36px var(--sp-7);
    display: flex;
    flex-direction: column;
    gap: var(--sp-5);
}

.pricing-card:nth-child(1) { transition-delay: 0ms; }
.pricing-card:nth-child(2) { transition-delay: 80ms; }

.pricing-card-featured,
.pricing-card-featured:hover {
    border-color: var(--accent);
}

.pricing-popular-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 5px var(--sp-4);
    background: var(--accent);
    color: var(--text-on-accent);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--fs-2xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
}

.pricing-card-header h3 {
    font-size: var(--fs-xl);
    font-weight: 700;
    margin-bottom: var(--sp-2);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: var(--sp-1);
    padding-bottom: var(--sp-5);
    border-bottom: 1px solid var(--border);
}

.pricing-amount {
    font-size: var(--fs-4xl);
    font-weight: 800;
    letter-spacing: var(--track-tight);
}

.pricing-interval {
    color: var(--text-secondary);
    font-size: var(--fs-base);
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    color: var(--text-secondary);
    font-size: var(--fs-base);
}

.pricing-features .material-symbols-outlined {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--success);
    background: var(--success-light);
    border-radius: var(--radius-sm);
}

.pricing-card .btn-large {
    margin-top: auto;
}

.faq-section {
    max-width: 800px;
    margin: 0 auto;
}

.faq-list {
    display: flex;
    flex-direction: column;
}

.faq-item {
    padding: var(--sp-6) 0;
    border-bottom: 1px solid var(--border);
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--t-base), transform var(--t-base);
}

.faq-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h4 {
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: var(--sp-2);
}

.faq-item p {
    color: var(--text-secondary);
    font-size: var(--fs-base);
    line-height: var(--lh-loose);
}

.faq-item p a {
    color: var(--accent-text);
    text-decoration: underline;
}

footer {
    border-top: 1px solid var(--border);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--sp-8) var(--sp-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--sp-5);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: var(--fs-base);
    color: var(--text-secondary);
}

.footer-brand .logo-icon {
    color: var(--accent);
    font-size: 22px;
}

.footer-links {
    display: flex;
    gap: var(--sp-7);
}

.footer-links a {
    color: var(--text-muted);
    font-size: var(--fs-md);
    transition: color var(--t-fast);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-copy {
    color: var(--text-muted);
    font-size: var(--fs-sm);
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .landing-header {
        padding: 14px var(--sp-5);
    }

    .landing-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        color: var(--text-primary);
        border-radius: var(--radius);
        transition: background var(--t-fast);
    }

    .landing-menu-toggle:hover {
        background: var(--bg-surface-hover);
    }

    .landing-nav {
        position: fixed;
        top: 66px;
        left: var(--sp-4);
        right: var(--sp-4);
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        padding: var(--sp-2);
        background: rgba(6, 8, 16, 0.97);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-radius: var(--radius);
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--t-base), opacity var(--t-base);
    }

    .landing-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .landing-nav a:not(.btn-primary) {
        text-align: left;
    }

    .landing-nav .btn-primary {
        margin-left: 0;
        justify-content: center;
    }

    .hero-title {
        font-size: var(--fs-4xl);
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-clients {
        flex-wrap: wrap;
        gap: var(--sp-2);
    }

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

    .how-flow {
        flex-direction: column;
        align-items: center;
    }

    .how-connector {
        transform: rotate(90deg);
        padding: var(--sp-2) 0;
    }

    .how-step {
        max-width: 280px;
    }

    .stats-container {
        gap: var(--sp-6);
    }

    .stat-divider {
        display: none;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}