.mh-inner-site-nav {
    background: #fff !important;
    border-bottom: 1px solid #e3e8ed;
    box-shadow: none !important;
    backdrop-filter: none !important;
}

.mh-inner-page {
    --mh-blue: #075bd8;
    --mh-blue-dark: #064eb8;
    --mh-ink: #111b25;
    --mh-muted: #5f6c79;
    --mh-line: #dce3e9;
    --mh-soft: #f4f7f9;
    --mh-max: 1280px;
    color: var(--mh-ink);
    background: #fff;
    overflow: clip;
}

.mh-inner-page *,
.mh-inner-page *::before,
.mh-inner-page *::after { box-sizing: border-box; }
.mh-inner-page img { display: block; max-width: 100%; }
.mh-inner-shell { width: min(var(--mh-max), 90%); margin: 0 auto; }
.mh-inner-eyebrow { margin: 0 0 16px; color: var(--mh-blue); font-size: 12px; line-height: 1.4; font-weight: 700; text-transform: uppercase; }
.mh-inner-hero { padding: 92px 0 76px; border-bottom: 1px solid var(--mh-line); }
.mh-inner-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 520px); gap: 80px; align-items: end; }
.mh-inner-hero h1 { max-width: 800px; margin: 0; font-family: 'Outfit', sans-serif; font-size: 64px; line-height: 1.03; letter-spacing: 0; }
.mh-inner-hero p:last-child { margin: 0; color: var(--mh-muted); font-size: 18px; line-height: 1.7; }
.mh-inner-actions { margin-top: 30px; display: flex; gap: 16px; flex-wrap: wrap; }
.mh-inner-btn { min-height: 48px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--mh-blue); border-radius: 4px; background: var(--mh-blue); color: #fff; font-weight: 700; text-decoration: none; }
.mh-inner-btn:hover { background: var(--mh-blue-dark); color: #fff; }
.mh-inner-btn-secondary { background: #fff; color: var(--mh-blue); }
.mh-inner-section { padding: 88px 0; }
.mh-inner-section-soft { background: var(--mh-soft); }
.mh-inner-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 440px); gap: 72px; align-items: end; margin-bottom: 44px; }
.mh-inner-heading h2 { margin: 0; font-family: 'Outfit', sans-serif; font-size: 44px; line-height: 1.1; }
.mh-inner-heading > p { margin: 0; color: var(--mh-muted); font-size: 16px; line-height: 1.7; }

.mh-flow-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--mh-line); border-bottom: 1px solid var(--mh-line); }
.mh-flow-grid article { min-height: 172px; padding: 26px; border-right: 1px solid var(--mh-line); }
.mh-flow-grid article:last-child { border-right: 0; }
.mh-flow-grid small, .mh-solution-copy small, .mh-cap-number { color: var(--mh-blue); font-size: 12px; font-weight: 700; }
.mh-flow-grid h3 { margin: 34px 0 8px; font-size: 19px; }
.mh-flow-grid p { margin: 0; color: var(--mh-muted); font-size: 14px; line-height: 1.55; }

.mh-solutions-lines { width: min(var(--mh-max), 90%); margin: 0 auto; }
.mh-solution-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: 560px; border-top: 1px solid var(--mh-line); }
.mh-solution-row:last-child { border-bottom: 1px solid var(--mh-line); }
.mh-solution-row:nth-child(even) .mh-solution-media { order: 2; }
.mh-solution-media { min-height: 480px; overflow: hidden; background: var(--mh-soft); }
.mh-solution-media img { width: 100%; height: 100%; object-fit: cover; }
.mh-solution-copy { padding: clamp(48px, 6vw, 86px); display: flex; flex-direction: column; justify-content: center; }
.mh-solution-copy h2 { margin: 16px 0 18px; font-family: 'Outfit', sans-serif; font-size: 44px; line-height: 1.1; }
.mh-solution-copy > p { margin: 0; color: var(--mh-muted); font-size: 16px; line-height: 1.7; }
.mh-detail-list { margin: 28px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--mh-line); }
.mh-detail-list li { padding: 15px 0; display: grid; grid-template-columns: minmax(135px, .7fr) minmax(0, 1.3fr); gap: 20px; border-bottom: 1px solid var(--mh-line); font-size: 14px; line-height: 1.5; }
.mh-detail-list strong { color: var(--mh-ink); }
.mh-detail-list span { color: var(--mh-muted); }
.mh-text-link { margin-top: 26px; color: var(--mh-blue); font-weight: 700; text-decoration: none; }

.mh-doc-grid, .mh-cap-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--mh-line); border-bottom: 1px solid var(--mh-line); }
.mh-doc-grid article, .mh-cap-grid article { min-height: 210px; padding: 28px; border-right: 1px solid var(--mh-line); }
.mh-doc-grid article:last-child, .mh-cap-grid article:last-child { border-right: 0; }
.mh-doc-grid h3, .mh-cap-grid h3 { margin: 36px 0 10px; font-size: 20px; }
.mh-doc-grid p, .mh-cap-grid p { margin: 0; color: var(--mh-muted); font-size: 14px; line-height: 1.6; }

.mh-evidence-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 22px; }
.mh-evidence-grid article { min-width: 0; border: 1px solid var(--mh-line); background: #fff; }
.mh-evidence-grid article > img { width: 100%; height: 260px; object-fit: contain; object-position: top center; background: var(--mh-soft); }
.mh-evidence-grid article > div { padding: 24px; }
.mh-evidence-grid small { color: var(--mh-blue); font-size: 11px; font-weight: 700; }
.mh-evidence-grid h3 { margin: 12px 0 10px; font-size: 19px; line-height: 1.35; }
.mh-evidence-grid p { min-height: 44px; margin: 0 0 18px; color: var(--mh-muted); font-size: 13px; line-height: 1.55; }
.mh-evidence-grid a { color: var(--mh-blue); font-size: 14px; font-weight: 700; text-decoration: none; }

.mh-cap-visual { display: grid; grid-template-columns: 1.15fr .85fr; min-height: 520px; }
.mh-cap-visual img { width: 100%; height: 100%; object-fit: cover; }
.mh-cap-visual-copy { padding: 64px; background: var(--mh-soft); }
.mh-cap-visual-copy h2 { margin: 0 0 20px; font-family: 'Outfit', sans-serif; font-size: 44px; line-height: 1.1; }
.mh-cap-visual-copy p { margin: 0; color: var(--mh-muted); line-height: 1.7; }
.mh-equipment-table { width: 100%; border-collapse: collapse; }
.mh-equipment-table th, .mh-equipment-table td { padding: 18px 16px; text-align: left; border-bottom: 1px solid var(--mh-line); vertical-align: top; }
.mh-equipment-table th { color: #455361; font-size: 12px; text-transform: uppercase; }
.mh-equipment-table td { font-size: 14px; line-height: 1.55; }

.mh-inquiry-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: 64px; align-items: start; }
.mh-inquiry-form { padding: 34px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; border: 1px solid var(--mh-line); }
.mh-inquiry-form label { min-width: 0; display: grid; gap: 8px; color: #455361; font-size: 12px; font-weight: 700; }
.mh-inquiry-form .mh-field-full { grid-column: 1 / -1; }
.mh-inquiry-form input, .mh-inquiry-form select, .mh-inquiry-form textarea { width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid #cfd7df; border-radius: 4px; background: #fff; color: var(--mh-ink); font: inherit; font-size: 14px; }
.mh-inquiry-form textarea { min-height: 140px; resize: vertical; }
.mh-inquiry-form input:focus, .mh-inquiry-form select:focus, .mh-inquiry-form textarea:focus { border-color: var(--mh-blue); outline: 3px solid rgba(7,91,216,.12); }
.mh-upload-field { padding: 24px; border: 1px dashed #aebbc7; background: var(--mh-soft); cursor: pointer; }
.mh-upload-field small { color: var(--mh-muted); font-weight: 400; line-height: 1.5; }
.mh-upload-list { margin: 0; color: var(--mh-blue); font-size: 12px; font-weight: 600; }
.mh-inquiry-status { grid-column: 1 / -1; margin: 0; min-height: 20px; color: var(--mh-muted); font-size: 13px; }
.mh-inquiry-aside { position: sticky; top: 110px; padding: 30px; background: var(--mh-soft); }
.mh-inquiry-aside h2 { margin: 0 0 14px; font-size: 28px; }
.mh-inquiry-aside > p { color: var(--mh-muted); line-height: 1.65; }
.mh-contact-line { padding: 20px 0; display: grid; gap: 4px; border-top: 1px solid var(--mh-line); }
.mh-contact-line small { color: var(--mh-muted); font-weight: 700; }
.mh-contact-line a { color: var(--mh-ink); font-family: 'Outfit', sans-serif; font-size: 24px; font-weight: 700; text-decoration: none; }

.mh-product-guidance, .mh-category-guidance { margin: 0 0 42px; padding: 28px 0; border-top: 1px solid var(--mh-line); border-bottom: 1px solid var(--mh-line); }
.mh-product-guidance h2, .mh-category-guidance h2 { margin: 0 0 22px; font-family: 'Outfit', sans-serif; font-size: 28px; }
.mh-product-guidance-grid, .mh-category-guidance-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mh-product-guidance article, .mh-category-guidance article { min-height: 150px; padding: 4px 24px; border-right: 1px solid var(--mh-line); }
.mh-product-guidance article:first-child, .mh-category-guidance article:first-child { padding-left: 0; }
.mh-product-guidance article:last-child, .mh-category-guidance article:last-child { border-right: 0; }
.mh-product-guidance h3, .mh-category-guidance h3 { margin: 0 0 10px; font-size: 18px; }
.mh-product-guidance p, .mh-category-guidance p { margin: 0; color: var(--mh-muted); font-size: 14px; line-height: 1.6; }

/* About Minghong */
.mh-about-hero { min-height: 690px; display: flex; align-items: center; border-bottom: 1px solid var(--mh-line); overflow: hidden; }
.mh-about-hero-grid { display: grid; grid-template-columns: minmax(0, .94fr) minmax(520px, 1.06fr); gap: 64px; align-items: center; }
.mh-about-hero-copy { position: relative; z-index: 1; padding: 82px 0; }
.mh-about-hero h1 { max-width: 760px; margin: 0; font-family: 'Outfit', sans-serif; font-size: clamp(52px, 4.35vw, 72px); line-height: 1.04; letter-spacing: 0; }
.mh-about-title-line { display: block; overflow: hidden; padding-bottom: .06em; }
.mh-about-title-line > span { display: block; }
.mh-about-lead { max-width: 650px; margin: 26px 0 0; color: var(--mh-muted); font-size: 18px; line-height: 1.72; }
.mh-about-hero-media { position: relative; height: 540px; overflow: hidden; isolation: isolate; background: #fff; }
.mh-about-hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 48% center; transform-origin: center center; }
.mh-about-image-fade, .mh-about-hero-reveal { position: absolute; z-index: 2; pointer-events: none; }
.mh-about-image-fade-left { inset: 0 auto 0 0; width: 16%; background: linear-gradient(90deg, #fff 0%, rgba(255,255,255,.93) 22%, rgba(255,255,255,0) 100%); }
.mh-about-image-fade-right { inset: 0 0 0 auto; width: 9%; background: linear-gradient(270deg, #fff 0%, rgba(255,255,255,.78) 28%, rgba(255,255,255,0) 100%); }
.mh-about-image-fade-bottom { inset: auto 0 0; height: 14%; background: linear-gradient(0deg, #fff 0%, rgba(255,255,255,.65) 32%, rgba(255,255,255,0) 100%); }
.mh-about-hero-reveal { z-index: 3; inset: 0; background: #fff; transform-origin: right center; }
.mh-about-page.gs-ready [data-mh-hero-media] img,
.mh-about-page.gs-ready [data-mh-reveal],
.mh-about-page.gs-ready [data-mh-section] { will-change: transform, opacity; }

.mh-about-trust { border-bottom: 1px solid var(--mh-line); }
.mh-about-trust-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.mh-about-trust article { min-height: 148px; padding: 26px 28px; border-right: 1px solid var(--mh-line); }
.mh-about-trust article:first-child { border-left: 1px solid var(--mh-line); }
.mh-about-trust small, .mh-about-lines small { color: var(--mh-blue); font-size: 11px; font-weight: 700; }
.mh-about-trust h2 { margin: 24px 0 6px; font-size: 18px; line-height: 1.25; }
.mh-about-trust p { margin: 0; color: var(--mh-muted); font-size: 13px; line-height: 1.5; }

.mh-about-profile { display: grid; grid-template-columns: minmax(0, .95fr) minmax(420px, 1.05fr); gap: 100px; align-items: start; }
.mh-about-profile h2, .mh-about-system h2, .mh-about-quality h2, .mh-about-cta h2 { margin: 0; font-family: 'Outfit', sans-serif; font-size: 46px; line-height: 1.08; }
.mh-about-profile-copy p { margin: 0 0 20px; color: var(--mh-muted); font-size: 17px; line-height: 1.75; }

.mh-about-lines { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 30px; border-top: 1px solid var(--mh-line); }
.mh-about-lines article { min-width: 0; padding: 0 28px 32px; border-right: 1px solid var(--mh-line); border-bottom: 1px solid var(--mh-line); }
.mh-about-lines article:first-child { padding-left: 0; }
.mh-about-lines article:last-child { padding-right: 0; border-right: 0; }
.mh-about-lines img { width: 100%; aspect-ratio: 5 / 4; margin-bottom: 24px; object-fit: cover; }
.mh-about-lines h3 { margin: 12px 0 10px; font-size: 23px; line-height: 1.25; }
.mh-about-lines p { margin: 0; color: var(--mh-muted); font-size: 14px; line-height: 1.62; }

.mh-about-system { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(430px, .92fr); min-height: 620px; }
.mh-about-system-media { overflow: hidden; }
.mh-about-system-media img { width: 100%; height: 100%; object-fit: cover; }
.mh-about-system-copy { padding: 54px 0 40px 64px; }
.mh-about-system-copy > p:not(.mh-inner-eyebrow) { margin: 18px 0 0; color: var(--mh-muted); line-height: 1.7; }
.mh-about-system ol { margin: 34px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--mh-line); }
.mh-about-system li { display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: 16px; padding: 17px 0; border-bottom: 1px solid var(--mh-line); }
.mh-about-system li > span { color: var(--mh-blue); font-size: 11px; font-weight: 700; }
.mh-about-system h3 { margin: 0 0 5px; font-size: 16px; }
.mh-about-system li p { margin: 0; color: var(--mh-muted); font-size: 13px; line-height: 1.55; }

.mh-about-quality { padding: 78px 0; background: var(--mh-ink); color: #fff; }
.mh-about-quality-grid, .mh-about-cta-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(380px, .75fr); gap: 100px; align-items: center; }
.mh-about-quality .mh-inner-eyebrow { color: #79aef8; }
.mh-about-quality h2 { max-width: 760px; color: #fff; }
.mh-about-quality-grid > div:last-child > p { margin: 0; color: #c5d0da; font-size: 16px; line-height: 1.7; }
.mh-about-quality .mh-text-link { display: inline-block; color: #fff; }

.mh-about-cta { padding: 88px 0; border-bottom: 1px solid var(--mh-line); }
.mh-about-cta-grid > div:last-child > p { margin: 0; color: var(--mh-muted); font-size: 16px; line-height: 1.7; }

@media (min-width: 2561px) {
    .mh-about-hero { min-height: 760px; }
    .mh-about-hero-media { height: 620px; }
    .mh-about-hero-grid { grid-template-columns: minmax(0, .96fr) minmax(660px, 1.04fr); gap: 88px; }
}

@media (min-width: 1441px) {
    .mh-inner-page { --mh-max: 1280px; }
    .mh-inner-shell { width: min(var(--mh-max), calc(100% - 48px)); }
    .mh-inner-hero h1 { max-width: 920px; font-size: 68px; }
    .mh-solutions-lines { width: min(var(--mh-max), calc(100% - 48px)); }
    .mh-solution-row { grid-template-columns: minmax(0, 52%) minmax(0, 48%); min-height: 620px; }
    .mh-solution-row:nth-child(even) { grid-template-columns: minmax(0, 48%) minmax(0, 52%); }
    .mh-solution-media { min-height: 0; }
    .mh-solution-copy { padding: 56px 64px; }
    .mh-cap-visual { min-height: 580px; }
}

@media (min-width: 1921px) {
    .mh-inner-page { --mh-max: 1280px; }
    .mh-inner-shell { width: min(var(--mh-max), calc(100% - 48px)); }
    .mh-inner-hero { padding-top: 84px; padding-bottom: 72px; }
    .mh-inner-hero h1 { max-width: 1040px; font-size: 72px; }
    .mh-inner-section { padding-top: 80px; padding-bottom: 80px; }
    .mh-flow-grid article { min-height: 190px; padding: 30px; }
    .mh-solutions-lines { width: min(var(--mh-max), calc(100% - 48px)); }
    .mh-solution-row,
    .mh-solution-row:nth-child(even) { height: auto; min-height: 620px; }
    .mh-solution-media { min-height: 0; max-height: 760px; }
    .mh-solution-copy { padding: 56px 64px; }
    .mh-solution-copy h2 { font-size: 44px; }
    .mh-cap-visual { height: 600px; min-height: 0; }
    .mh-cap-visual-copy { padding: 64px; }
}

@media (min-width: 2561px) {
    .mh-inner-page { --mh-max: 1600px; }
    .mh-inner-shell { width: min(var(--mh-max), calc(100% - 64px)); }
    .mh-inner-hero h1 { max-width: 1120px; font-size: 76px; }
    .mh-solutions-lines { width: min(var(--mh-max), calc(100% - 64px)); }
    .mh-solution-row,
    .mh-solution-row:nth-child(even) { height: auto; min-height: 680px; }
    .mh-solution-media { max-height: 760px; }
    .mh-solution-copy { padding: 72px 84px; }
    .mh-solution-copy h2 { font-size: 48px; }
    .mh-solution-copy > p { font-size: 17px; }
    .mh-detail-list li { padding-top: 16px; padding-bottom: 16px; font-size: 15px; }
    .mh-cap-visual { height: 640px; }
    .mh-evidence-grid article > img { height: 300px; }
    .mh-inquiry-layout { grid-template-columns: minmax(0, 1.45fr) minmax(340px, .55fr); gap: 72px; }
}

@media (min-width: 3201px) {
    .mh-inner-page { --mh-max: 1760px; }
    .mh-inner-shell,
    .mh-solutions-lines { width: min(var(--mh-max), calc(100% - 80px)); }
    .mh-solution-row,
    .mh-solution-row:nth-child(even) { min-height: 720px; }
    .mh-cap-visual { height: 680px; }
    .mh-evidence-grid article > img { height: 320px; }
}

@media (max-width: 900px) {
    .mh-inner-hero-grid, .mh-inner-heading, .mh-inquiry-layout, .mh-cap-visual { grid-template-columns: 1fr; gap: 30px; }
    .mh-flow-grid, .mh-doc-grid, .mh-cap-grid, .mh-evidence-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mh-flow-grid article:nth-child(2), .mh-doc-grid article:nth-child(2), .mh-cap-grid article:nth-child(2) { border-right: 0; }
    .mh-solution-row { grid-template-columns: 1fr; }
    .mh-solution-row:nth-child(even) .mh-solution-media { order: 0; }
    .mh-inquiry-aside { position: static; }
    .mh-about-hero { min-height: 0; }
    .mh-about-hero-grid, .mh-about-profile, .mh-about-system, .mh-about-quality-grid, .mh-about-cta-grid { grid-template-columns: 1fr; gap: 38px; }
    .mh-about-hero-copy { padding: 64px 0 0; }
    .mh-about-hero-media { height: 480px; margin: 0 -5vw; }
    .mh-about-image-fade-left, .mh-about-image-fade-right { width: 8%; }
    .mh-about-image-fade-bottom { height: 12%; }
    .mh-about-trust-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mh-about-trust article:nth-child(2) { border-right: 1px solid var(--mh-line); }
    .mh-about-trust article:nth-child(n+3) { border-top: 1px solid var(--mh-line); }
    .mh-about-lines { grid-template-columns: 1fr; }
    .mh-about-lines article, .mh-about-lines article:first-child, .mh-about-lines article:last-child { padding: 0 0 34px; border-right: 0; }
    .mh-about-lines article + article { padding-top: 34px; }
    .mh-about-system-copy { padding: 34px 0 0; }
}

@media (max-width: 640px) {
    .mh-inner-shell { width: 90%; }
    .mh-inner-hero { padding: 62px 0 52px; }
    .mh-inner-hero h1 { font-size: 42px; }
    .mh-inner-section { padding: 62px 0; }
    .mh-flow-grid, .mh-doc-grid, .mh-cap-grid, .mh-evidence-grid, .mh-product-guidance-grid, .mh-category-guidance-grid, .mh-inquiry-form { grid-template-columns: 1fr; }
    .mh-flow-grid article, .mh-doc-grid article, .mh-cap-grid article, .mh-product-guidance article, .mh-category-guidance article { min-height: 0; padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--mh-line); }
    .mh-flow-grid article:last-child, .mh-doc-grid article:last-child, .mh-cap-grid article:last-child, .mh-product-guidance article:last-child, .mh-category-guidance article:last-child { border-bottom: 0; }
    .mh-solution-media { min-height: 280px; }
    .mh-solution-copy { padding: 44px 5%; }
    .mh-detail-list li { grid-template-columns: 1fr; gap: 4px; }
    .mh-cap-visual-copy { padding: 40px 5%; }
    .mh-cap-visual-copy h2 { font-size: 34px; }
    .mh-equipment-table { display: block; overflow-x: auto; }
    .mh-inquiry-form { padding: 22px; }
    .mh-inquiry-form .mh-field-full { grid-column: auto; }
    .mh-inner-btn { width: 100%; }
    .mh-about-hero h1 { font-size: 42px; }
    .mh-about-lead { font-size: 16px; }
    .mh-about-hero-media { height: 340px; }
    .mh-about-trust-grid { grid-template-columns: 1fr; }
    .mh-about-trust article, .mh-about-trust article:first-child, .mh-about-trust article:nth-child(2) { min-height: 0; padding: 22px 0; border-left: 0; border-right: 0; border-top: 1px solid var(--mh-line); }
    .mh-about-trust h2 { margin-top: 12px; }
    .mh-about-profile h2, .mh-about-system h2, .mh-about-quality h2, .mh-about-cta h2 { font-size: 34px; }
    .mh-about-quality, .mh-about-cta { padding: 62px 0; }
}

/* About: cinematic GSAP narrative */
.mh-about-page-progress { position: fixed; z-index: 40; top: 50%; right: 22px; width: 2px; height: 150px; overflow: hidden; background: rgba(13, 27, 42, .14); transform: translateY(-50%); }
.mh-about-page-progress span { display: block; width: 100%; height: 100%; background: var(--mh-blue); transform: scaleY(0); transform-origin: top center; }
.mh-about-hero-chapters { position: absolute; z-index: 5; top: 50%; right: 0; width: 48%; color: #fff; pointer-events: none; transform: translateY(-50%); }
.mh-about-hero-chapters article { position: absolute; top: 0; left: 0; width: min(560px, 92%); padding: 34px 38px; opacity: 0; background: rgba(8, 20, 31, .78); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.mh-about-hero-chapters small { display: block; margin-bottom: 18px; color: #7fb3ff; font-size: 12px; font-weight: 700; }
.mh-about-hero-chapters strong { display: block; font-family: 'Outfit', sans-serif; font-size: clamp(36px, 3.2vw, 58px); line-height: 1; }
.mh-about-hero-chapters span { display: block; max-width: 420px; margin-top: 14px; color: rgba(255,255,255,.76); font-size: 15px; line-height: 1.6; }
.mh-about-scroll-cue { position: absolute; z-index: 6; right: 0; bottom: 30px; display: flex; align-items: center; gap: 12px; color: var(--mh-muted); font-size: 11px; font-weight: 700; text-transform: uppercase; }
.mh-about-scroll-cue span { display: block; width: 42px; height: 1px; overflow: hidden; background: var(--mh-line); }
.mh-about-scroll-cue span::after { display: block; width: 100%; height: 100%; background: var(--mh-blue); content: ''; animation: mh-scroll-cue 1.8s ease-in-out infinite; transform: translateX(-100%); }
@keyframes mh-scroll-cue { 50%, 100% { transform: translateX(100%); } }

.mh-about-lines-stage { position: relative; overflow: hidden; }
.mh-about-lines-shell { position: relative; }
.mh-about-lines-viewport { overflow: visible; }
.mh-about-lines-footer { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 24px; }
.mh-about-lines-progress { width: min(620px, 60%); height: 2px; overflow: hidden; background: #dce3e9; }
.mh-about-lines-progress span { display: block; width: 100%; height: 100%; background: var(--mh-blue); transform: scaleX(0); transform-origin: left center; }
.mh-about-line-media { min-width: 0; overflow: hidden; }
.mh-about-line-copy { position: relative; display: flex; flex-direction: column; justify-content: flex-end; min-width: 0; padding: 48px; background: #fff; }
.mh-about-line-index { position: absolute; top: 36px; right: 40px; color: #d8e0e7; font-family: 'Outfit', sans-serif; font-size: 82px; font-weight: 700; line-height: 1; }

.mh-about-system ol { position: relative; }
.mh-about-process-progress { position: absolute; z-index: 2; top: 0; left: 0; width: 2px; height: 100%; background: var(--mh-blue); transform: scaleY(0); transform-origin: top center; }
.mh-about-system li { transition: color .25s ease, opacity .25s ease; }
.mh-about-system li:not(.is-active) { opacity: .32; }
.mh-about-system li.is-active { opacity: 1; }

@media (min-width: 901px) {
    .mh-about-hero { min-height: calc(100svh - 78px); }
    .mh-about-hero-grid { position: relative; min-height: calc(100svh - 78px); }
    .mh-about-hero-copy { width: 54%; }
    .mh-about-hero-media { position: absolute; z-index: 0; top: 50%; right: 0; width: 58%; height: min(68vh, 670px); transform: translateY(-50%); }
    .mh-about-hero-media::after { position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.08), transparent 34%, rgba(0,16,32,.08)); content: ''; pointer-events: none; }
    .mh-about-hero-copy, .mh-about-scroll-cue { position: relative; z-index: 4; }
    .mh-about-lines-stage { min-height: 100svh; padding: 54px 0 40px; }
    .mh-about-lines-stage .mh-inner-heading { margin-bottom: 34px; }
    .mh-about-lines { display: flex; width: max-content; margin: 0; border: 0; gap: 32px; }
    .mh-about-lines article,
    .mh-about-lines article:first-child,
    .mh-about-lines article:last-child { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(340px, .55fr); flex: 0 0 min(76vw, 1160px); height: min(54vh, 570px); padding: 0; border: 1px solid var(--mh-line); background: #fff; }
    .mh-about-lines img { height: 100%; margin: 0; aspect-ratio: auto; transition: none; }
    .mh-about-lines h3 { position: relative; z-index: 1; max-width: 380px; margin: 16px 0; font-size: clamp(30px, 2.5vw, 46px); }
    .mh-about-lines p { position: relative; z-index: 1; max-width: 420px; font-size: 15px; }
    .mh-about-system { min-height: min(78vh, 760px); align-items: stretch; }
    .mh-about-system-media img { transform-origin: center; }
    .mh-about-process-stage { display: flex; min-height: 100svh; padding: 0; align-items: center; overflow: hidden; background: #fff; }
}

@media (max-width: 900px) {
    .mh-about-page-progress, .mh-about-hero-chapters, .mh-about-scroll-cue { display: none; }
    .mh-about-lines-stage { overflow: visible; }
    .mh-about-lines-viewport { overflow: visible; }
    .mh-about-lines { display: grid; width: 100%; gap: 34px; }
    .mh-about-lines article, .mh-about-lines article:first-child, .mh-about-lines article:last-child { display: block; background: #fff; }
    .mh-about-line-copy { padding: 28px 0 0; }
    .mh-about-line-index { top: 18px; right: 0; font-size: 60px; }
    .mh-about-lines-footer { margin-top: 36px; }
    .mh-about-lines-progress { display: none; }
    .mh-about-system li:not(.is-active) { opacity: 1; }
    .mh-about-process-progress { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .mh-about-scroll-cue span::after { animation: none; transform: none; }
    .mh-about-system li { transition: none; }
}