/* Scroll-video sections */
.scroll-video-section {
    position: relative;
    overflow: hidden;
}
.scroll-video-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}
.scroll-video-bg video,
.scroll-video-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    will-change: transform;
}
.scroll-video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(250,251,252,0.88) 0%,
        rgba(250,251,252,0.82) 40%,
        rgba(250,251,252,0.92) 100%
    );
    z-index: 1;
}
.scroll-video-content {
    position: relative;
    z-index: 2;
}
.scroll-video-section--subtle .scroll-video-overlay {
    background: linear-gradient(
        180deg,
        rgba(241,245,249,0.92) 0%,
        rgba(241,245,249,0.88) 50%,
        rgba(241,245,249,0.94) 100%
    );
}
.scroll-video-section--subtle .scroll-video-bg img { opacity: 0.45; }

/* Hero */
.hero {
    min-height: 92vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
}
.hero-inner {
    padding: clamp(48px, 8vw, 80px) 0;
    max-width: 780px;
}
.hero h1 {
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}
.hero h1 .gradient-text {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-lead {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 640px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Trust bar */
.trust-bar {
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 28px 0;
}
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}
.trust-item strong {
    display: block;
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 800;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}
.trust-item span {
    font-size: 0.85rem;
    color: var(--text-sub);
    font-weight: 500;
}

/* Outsourcing */
.outsource-card { display: grid; grid-template-columns: 1fr 1.3fr; }
.outsource-visual {
    min-height: 320px;
    background: var(--brand-gradient-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--brand-blue);
    opacity: 0.6;
}
.outsource-body { padding: clamp(28px, 5vw, 48px); }
.outsource-body h3 {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 800;
    margin: 12px 0 16px;
    line-height: 1.3;
}
.price-highlight {
    background: var(--bg-subtle);
    border-left: 4px solid var(--brand-green);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin: 24px 0;
}
.price-highlight .amount {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    color: var(--brand-green);
}
.price-highlight .note {
    font-size: 0.85rem;
    color: var(--text-sub);
    margin-top: 8px;
    line-height: 1.7;
}
.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    font-weight: 500;
}
.check-list i { color: var(--brand-green); margin-top: 4px; flex-shrink: 0; }

/* Bento services */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.bento-card {
    padding: clamp(24px, 4vw, 36px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.bento-icon {
    width: 56px; height: 56px;
    border-radius: var(--radius-md);
    background: var(--brand-gradient-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--brand-blue);
}
.bento-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.35;
}
.bento-card p {
    color: var(--text-sub);
    font-size: 0.925rem;
    line-height: 1.65;
    flex-grow: 1;
}
.bento-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.bento-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: var(--bg-subtle);
    color: var(--text-sub);
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
@media (min-width: 1100px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
.product-card .product-visual {
    height: 200px;
    overflow: hidden;
    position: relative;
}
.product-card .product-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.product-body { padding: clamp(24px, 4vw, 32px); }
.product-body h3 {
    font-size: 1.35rem;
    font-weight: 800;
    margin: 12px 0 12px;
}
.product-features-mini {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 20px 0;
}
.product-features-mini div {
    font-size: 0.85rem;
    color: var(--text-sub);
    display: flex;
    align-items: center;
    gap: 8px;
}
.product-features-mini i { color: var(--brand-blue); font-size: 0.9rem; }
.product-pricing-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 20px 0;
}
.price-chip {
    flex: 1;
    min-width: 120px;
    padding: 14px;
    background: var(--bg-subtle);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: center;
}
.price-chip.is-featured {
    border-color: var(--brand-green);
    background: rgba(16,185,129,0.06);
}
.price-chip .val {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--brand-green);
}
.price-chip .lbl {
    font-size: 0.75rem;
    color: var(--text-sub);
    margin-top: 2px;
}
.product-stats-row {
    display: flex;
    gap: 12px;
    margin: 20px 0;
}
.stat-chip {
    flex: 1;
    text-align: center;
    padding: 14px;
    background: var(--bg-subtle);
    border-radius: var(--radius-md);
}
.stat-chip strong {
    display: block;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--brand-blue);
}
.stat-chip span { font-size: 0.75rem; color: var(--text-sub); }
.product-actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* Advanced grid */
.adv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.adv-card {
    padding: 28px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.adv-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(59,130,246,0.25);
}
.adv-card i {
    font-size: 1.75rem;
    color: var(--brand-blue);
    margin-bottom: 16px;
}
.adv-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}
.adv-card p {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.65;
}

/* Cases */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 48px;
}
.case-card { padding: 28px; display: flex; flex-direction: column; }
.case-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--brand-blue);
    margin-bottom: 10px;
}
.case-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}
.case-card p {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.65;
    flex-grow: 1;
    margin-bottom: 16px;
}
.case-result {
    padding: 12px 14px;
    background: rgba(16,185,129,0.08);
    border-left: 3px solid var(--brand-green);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-green);
}

/* Infrastructure */
.node-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.node-card {
    padding: 24px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.node-card:hover {
    border-color: var(--brand-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.node-card h4 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    font-size: 1.05rem;
}
.status-live {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: rgba(16,185,129,0.1);
    color: var(--brand-green);
}
.hash-box {
    background: #0f172a;
    color: #94a3b8;
    font-family: ui-monospace, monospace;
    font-size: 0.8rem;
    padding: 12px;
    border-radius: var(--radius-sm);
    word-break: break-all;
    margin-bottom: 12px;
}

/* Sub-page hero */
.page-hero {
    padding: calc(var(--header-height) + 64px) 0 64px;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}
.page-hero h1 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}
.page-hero .badge { margin-bottom: 16px; }
.page-hero p {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--text-sub);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}
.premium-box .big-price small {
    font-size: 0.45em;
    font-weight: 500;
    color: var(--text-sub);
}

/* Service feature grid */
.feature-grid-4 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.feature-card {
    padding: 28px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}
.feature-card .f-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius-md);
    background: var(--brand-gradient-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-blue);
    font-size: 1.25rem;
    margin-bottom: 16px;
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.feature-card p {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.65;
    margin-bottom: 14px;
}
.tech-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tech-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: var(--bg-subtle);
    color: var(--text-sub);
}

.premium-box {
    text-align: center;
    padding: clamp(32px, 5vw, 48px);
    background: var(--brand-gradient-soft);
    border: 1px solid rgba(59,130,246,0.15);
    border-radius: var(--radius-xl);
    margin-top: 40px;
}
.premium-box h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 12px;
}
.premium-box .big-price {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 800;
    color: var(--brand-blue);
    margin: 16px 0;
}

.audience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}
.audience-tag {
    padding: 12px 20px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.audience-tag i { color: var(--brand-blue); }

.cta-band {
    background: var(--text-main);
    color: #fff;
    text-align: center;
    padding: clamp(56px, 8vw, 80px) 0;
}
.cta-band h2 {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 800;
    margin-bottom: 16px;
}
.cta-band p {
    color: #94a3b8;
    max-width: 560px;
    margin: 0 auto 28px;
    font-size: 1.05rem;
}

/* Workflow timeline */
.workflow-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    list-style: none;
    padding: 0;
}
.workflow-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 24px;
    width: 2px;
    background: var(--border-color);
}
.workflow-step {
    position: relative;
    padding-left: 70px;
    margin-bottom: 32px;
}
.workflow-step:last-child { margin-bottom: 0; }
.workflow-step__marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--brand-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    box-shadow: 0 0 0 4px var(--bg-subtle);
    z-index: 1;
}
.workflow-step__body {
    background: var(--bg-white);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}
.workflow-step__body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.workflow-step__body p {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.65;
}

/* Responsive */
@media (max-width: 900px) {
    .outsource-card { grid-template-columns: 1fr; }
    .outsource-visual { min-height: 180px; font-size: 3.5rem; }
    .bento-grid, .products-grid, .feature-grid-4 { grid-template-columns: 1fr; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .product-features-mini { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .product-actions { flex-direction: column; }
    .product-actions .btn { width: 100%; }
    .workflow-step { padding-left: 60px; }
    .workflow-step__marker { width: 40px; height: 40px; font-size: 1rem; }
    .workflow-timeline::before { left: 20px; }
    .workflow-step__body { padding: 20px 16px; }
}
@media (max-width: 480px) {
    .trust-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
}