:root { --page-blue: #06b6d4; --page-blue-dark: #6366f1; --page-navy: #0f172a; --page-ink: #0f172a; --page-muted: #94a3b8; --page-cool-gray: #94a3b8; --page-line: rgba(148,163,184,.35); --page-soft: #f8fafc; }

.nav-item { position: relative; display: flex; align-items: center; }
.nav-item > a { display: flex; align-items: center; gap: 5px; }
.nav-item > a::before { content: none; }
.nav-submenu { position: absolute; top: calc(100% - 10px); left: -18px; width: 264px; padding: 9px; opacity: 0; visibility: hidden; transform: translateY(10px); border: 1px solid #d8e6ee; border-radius: 10px; background: rgba(248,250,252,.98); box-shadow: 0 24px 55px rgba(17,55,78,.15); transition: opacity .2s, transform .2s, visibility .2s; }
.nav-submenu::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
.nav-submenu a { display: flex; align-items: center; justify-content: space-between; padding: 10px 11px; border-radius: 6px; color: #385267; font: 600 .72rem/1.2 "Manrope", "Noto Sans Thai", sans-serif; }
.nav-submenu a::after, .mobile-submenu div a::after { display: none; content: none; }
.nav-submenu a:hover { color: #0878c8; background: #edf9fe; }
.nav-item:hover .nav-submenu, .nav-item:focus-within .nav-submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-submenu { border-bottom: 1px solid rgba(248,250,252,.12); }
.mobile-submenu summary { padding: 17px 0; display: flex; justify-content: space-between; align-items: center; font: 700 1.25rem/1.3 "Manrope", sans-serif; cursor: pointer; list-style: none; }
.mobile-submenu summary::-webkit-details-marker { display: none; }
.mobile-submenu summary::after { content: "+"; color: var(--cyan); }
.mobile-submenu[open] summary::after { content: "−"; }
.mobile-submenu div { padding: 0 0 12px 14px; }
.mobile-submenu div a { padding: 10px 0; border: 0; color: #9fb1c2; font-size: .9rem; }

.page-main { padding-top: 78px; background: var(--page-soft); }
.page-hero { position: relative; overflow: hidden; padding: 92px 0 80px; background: linear-gradient(140deg, #f8fafc 0%, #f3faff 100%); border-bottom: 1px solid var(--page-line); }
.page-hero::before { content: ""; position: absolute; width: 560px; height: 560px; right: -190px; top: -270px; border: 1px solid rgba(0,169,232,.12); border-radius: 50%; box-shadow: 0 0 0 65px rgba(0,169,232,.035), 0 0 0 130px rgba(0,169,232,.025); }
.page-shell { position: relative; width: min(1180px, calc(100% - 60px)); margin: 0 auto; }
.page-eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; color: #008fce; font: 800 .65rem/1 "Manrope", sans-serif; letter-spacing: .16em; }
.page-eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.page-hero h1 { max-width: 900px; margin: 0; color: var(--page-ink); font-size: clamp(3rem, 5vw, 5.3rem); line-height: 1.03; letter-spacing: -.065em; }
.page-hero h1 em { color: var(--page-blue); font-style: normal; }
.page-hero p { max-width: 720px; margin: 26px 0 0; color: var(--page-muted); font-size: 1.05rem; }
.page-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 30px; }
.page-section { padding: 82px 0; }
.page-section-soft { background: var(--page-soft); }
.page-heading { margin-bottom: 38px; }
.page-heading h2 { margin: 0; color: var(--page-ink); font-size: clamp(2rem, 3.5vw, 3.3rem); line-height: 1.12; letter-spacing: -.045em; }
.page-heading p { max-width: 680px; color: var(--page-muted); }
.breadcrumb { margin-bottom: 32px; color: #8297a7; font: 600 .64rem/1 "Manrope", sans-serif; letter-spacing: .08em; }
.breadcrumb a { color: #008fce; }

.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.content-copy h2 { margin: 0 0 22px; color: var(--page-ink); font-size: clamp(2rem, 3.3vw, 3.6rem); line-height: 1.13; letter-spacing: -.045em; }
.content-copy p { color: var(--page-muted); font-size: 1rem; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat-card { min-height: 150px; padding: 24px; border: 1px solid var(--page-line); border-radius: 12px; background: var(--page-soft); }
.stat-card b { display: block; color: var(--page-blue); font: 800 2rem/1 "Manrope", sans-serif; }
.stat-card span { display: block; margin-top: 14px; color: #39586d; font-weight: 700; }
.stat-card small { color: var(--page-muted); }

.service-page-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.service-link-card { min-height: 250px; padding: 25px; display: flex; flex-direction: column; border: 1px solid var(--page-line); border-radius: 12px; background: var(--page-soft); transition: color .25s, background .25s, transform .25s, box-shadow .25s, border-color .25s; }
.service-link-card:hover, .service-link-card:focus-visible, .service-link-card:active { color: var(--page-soft); transform: translateY(-5px); border-color: #6366f1; background: linear-gradient(145deg, #6366f1, #4f46e5); box-shadow: 0 24px 55px rgba(79,70,229,.24); outline: none; }
.service-link-card small { color: var(--page-blue); font: 700 .62rem/1 "Manrope", sans-serif; letter-spacing: .12em; }
.service-link-card h2, .service-link-card h3 { margin: 28px 0 12px; color: var(--page-ink); font-size: 1.35rem; line-height: 1.2; }
.service-link-card p { margin: 0 0 25px; color: var(--page-muted); font-size: .92rem; line-height: 1.7; }
.service-link-card span { margin-top: auto; color: var(--page-blue-dark); font: 700 .72rem/1 "Manrope", sans-serif; }
.service-link-card:hover small, .service-link-card:hover h2, .service-link-card:hover h3, .service-link-card:hover p, .service-link-card:hover span,
.service-link-card:focus-visible small, .service-link-card:focus-visible h2, .service-link-card:focus-visible h3, .service-link-card:focus-visible p, .service-link-card:focus-visible span,
.service-link-card:active small, .service-link-card:active h2, .service-link-card:active h3, .service-link-card:active p, .service-link-card:active span { color: var(--page-soft); }

.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 70px; align-items: start; }
.detail-content h2 { margin: 0 0 18px; color: var(--page-ink); font-size: 2.2rem; }
.detail-content > p { color: var(--page-muted); font-size: 1.08rem; line-height: 1.85; }
.detail-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 0; margin: 28px 0 48px; list-style: none; }
.detail-list li { padding: 17px; border: 1px solid var(--page-line); border-radius: 9px; color: #3e5b70; background: #f9fcfe; font-size: .98rem; line-height: 1.55; }
.detail-list li::before { content: "✓"; margin-right: 8px; color: var(--page-blue); font-weight: 800; }
.process-list { counter-reset: process; margin-top: 28px; border-top: 1px solid var(--page-line); }
.process-list div { counter-increment: process; display: grid; grid-template-columns: 45px 1fr; gap: 14px; padding: 21px 0; border-bottom: 1px solid var(--page-line); }
.process-list div::before { content: "0" counter(process); color: var(--page-blue); font: 800 .8rem/1.8 "Manrope", sans-serif; }
.process-list h3 { margin: 0 0 8px; color: var(--page-ink); font-size: 1.22rem; }
.process-list p { margin: 0; color: var(--page-muted); font-size: .98rem; line-height: 1.7; }
.detail-aside { position: sticky; top: 110px; padding: 26px; border-radius: 14px; color: var(--page-soft); background: var(--page-navy); }
.detail-aside small { color: #67cdef; font: 700 .56rem/1 "Manrope", sans-serif; letter-spacing: .12em; }
.detail-aside h3 { margin: 16px 0 12px; font-size: 1.45rem; line-height: 1.3; }
.detail-aside p { color: #99abba; font-size: .82rem; }
.detail-aside .button { width: 100%; margin-top: 16px; }

.package-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.package-card { padding: 32px; display: flex; flex-direction: column; min-height: 465px; border: 1px solid var(--page-line); border-radius: 14px; background: var(--page-soft); transition: color .25s, background .25s, border-color .25s, transform .25s, box-shadow .25s; }
.package-card.featured { color: var(--page-navy); border-color: var(--page-line); background: var(--page-soft); transform: none; }
.package-card small { color: var(--page-blue); font: 700 .64rem/1 "Manrope", sans-serif; letter-spacing: .12em; }
.package-card h2 { margin: 20px 0 11px; font-size: 1.82rem; line-height: 1.2; }
.package-card > p { color: var(--page-muted); font-size: .98rem; line-height: 1.7; }
.package-card.featured > p { color: var(--page-cool-gray); }
.package-card ul { padding: 0; margin: 25px 0; list-style: none; }
.package-card li { padding: 11px 0; border-bottom: 1px solid var(--page-line); font-size: .94rem; line-height: 1.5; }
.package-card.featured li { border-color: var(--page-line); }
.package-card a { margin-top: auto; display: flex; justify-content: space-between; color: var(--page-blue); font-size: .92rem; font-weight: 700; }
.package-card:hover, .package-card:focus-within { color: var(--page-soft); border-color: var(--page-blue-dark); background: var(--page-blue-dark); box-shadow: 0 24px 55px rgba(99,102,241,.24); transform: translateY(-6px); }
.package-card.featured:hover, .package-card.featured:focus-within { transform: translateY(-6px); }
.package-card:hover small, .package-card:hover h2, .package-card:hover > p, .package-card:hover li, .package-card:hover a,
.package-card:focus-within small, .package-card:focus-within h2, .package-card:focus-within > p, .package-card:focus-within li, .package-card:focus-within a { color: var(--page-soft); }
.package-card:hover li, .package-card:focus-within li { border-color: rgba(248,250,252,.22); }
.package-page-section { background: #eef3f8; }
.package-page-grid { align-items: stretch; }

.faq-list details { border-top: 1px solid var(--page-line); }
.faq-list details:last-child { border-bottom: 1px solid var(--page-line); }
.faq-list summary { padding: 23px 0; display: flex; justify-content: space-between; gap: 20px; color: var(--page-ink); font-weight: 700; cursor: pointer; list-style: none; }
.faq-list summary::after { content: "+"; color: var(--page-blue); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 820px; margin: -5px 0 24px; color: var(--page-muted); }

.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.blog-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.blog-filter a { padding: 10px 15px; border: 1px solid var(--page-line); border-radius: 99px; color: #536f82; background: var(--page-soft); font: 700 .65rem/1 "Manrope", sans-serif; transition: color .2s, border-color .2s, background .2s; }
.blog-filter a:hover, .blog-filter a.is-active { color: var(--page-soft); border-color: var(--page-blue-dark); background: var(--page-blue-dark); }
.article-card { overflow: hidden; border: 1px solid var(--page-line); border-radius: 12px; background: var(--page-soft); transition: transform .25s, box-shadow .25s; }
.article-card:hover { transform: translateY(-5px); box-shadow: 0 22px 50px rgba(22,103,145,.12); }
.article-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.article-card div { padding: 22px; }
.article-card small { color: var(--page-blue); font: 700 .54rem/1 "Manrope", sans-serif; letter-spacing: .11em; }
.article-card h2 { margin: 15px 0 12px; color: var(--page-ink); font-size: 1.15rem; line-height: 1.4; }
.article-card p { color: var(--page-muted); font-size: .8rem; }
.article-body { max-width: 780px; margin: 0 auto; }
.article-body h2 { margin: 48px 0 14px; color: var(--page-ink); font-size: 1.8rem; }
.article-body p, .article-body li { color: #526b7d; font-size: 1rem; line-height: 1.9; }
.article-body .article-lead { color: #27485e; font-size: 1.25rem; }
.article-body img { width: 100%; margin: 35px 0; border-radius: 15px; }

.contact-page-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 75px; align-items: start; }
.contact-info h2 { margin: 0 0 20px; color: var(--page-ink); font-size: 2.6rem; line-height: 1.15; }
.contact-info p { color: var(--page-muted); }
.contact-info dl { margin-top: 35px; }
.contact-info dt { margin-top: 20px; color: #8298a8; font: 700 .54rem/1 "Manrope", sans-serif; letter-spacing: .12em; }
.contact-info dd { margin: 7px 0 0; color: #1e435a; font-weight: 700; }

/* Our Work */
.work-page-hero { padding-bottom: 94px; }
.work-page-hero::after { content: "WORK"; position: absolute; right: -2vw; bottom: -4vw; color: rgba(99,102,241,.045); font: 800 clamp(8rem, 20vw, 20rem)/.75 "Manrope", sans-serif; letter-spacing: -.08em; pointer-events: none; }
.work-hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(290px, .75fr); gap: 80px; align-items: end; }
.work-hero-grid h1 { font-size: clamp(3.2rem, 5.7vw, 6.2rem); }
.work-hero-grid > p { margin: 0 0 10px; font-size: 1.08rem; line-height: 1.9; }
.work-page-section { padding: 74px 0 112px; }
.work-page-intro { display: flex; justify-content: space-between; gap: 40px; align-items: end; padding-bottom: 34px; border-bottom: 1px solid var(--page-line); }
.work-page-intro .page-eyebrow { margin-bottom: 13px; }
.work-page-intro h2 { margin: 0; color: var(--page-navy); font-size: clamp(2.2rem, 4vw, 4.2rem); line-height: 1; letter-spacing: -.05em; }
.work-filter { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.work-filter button { padding: 10px 15px; border: 1px solid rgba(148,163,184,.4); border-radius: 99px; color: #5c6f81; background: transparent; font: 700 .63rem/1 "Manrope", "Noto Sans Thai", sans-serif; cursor: pointer; transition: color .2s, border-color .2s, background .2s, transform .2s; }
.work-filter button:hover { color: var(--page-navy); border-color: var(--page-blue); transform: translateY(-1px); }
.work-filter button.is-active { color: #fff; border-color: var(--page-blue-dark); background: var(--page-blue-dark); }
.portfolio-list { display: grid; }
.portfolio-item { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); gap: clamp(42px, 7vw, 104px); align-items: center; min-height: 610px; padding: 82px 0; border-bottom: 1px solid var(--page-line); }
.portfolio-item[hidden] { display: none !important; }
.portfolio-item-reverse { grid-template-columns: minmax(0, 1.28fr) minmax(280px, .72fr); }
.portfolio-item-reverse .portfolio-copy { order: 2; }
.portfolio-item-reverse .portfolio-visual { order: 1; }
.portfolio-copy small { color: var(--page-blue-dark); font: 800 .61rem/1 "Manrope", sans-serif; letter-spacing: .12em; }
.portfolio-copy h2 { margin: 24px 0 19px; color: var(--page-navy); font-size: clamp(2.45rem, 4.4vw, 4.8rem); line-height: .98; letter-spacing: -.06em; }
.portfolio-copy h2.portfolio-title-long { font-size: clamp(2.25rem, 3.55vw, 3.9rem); line-height: 1.02; }
.portfolio-copy > p { margin: 0; color: #68798a; font-size: .98rem; line-height: 1.85; }
.portfolio-tags { display: flex; flex-wrap: wrap; gap: 7px; padding: 0; margin: 26px 0 32px; list-style: none; }
.portfolio-tags li { padding: 7px 10px; border: 1px solid rgba(148,163,184,.36); border-radius: 4px; color: #64758a; font: 700 .56rem/1 "Manrope", sans-serif; letter-spacing: .05em; text-transform: uppercase; }
.portfolio-link { display: inline-flex; gap: 44px; align-items: center; padding-bottom: 9px; border-bottom: 1px solid var(--page-navy); color: var(--page-navy); font-size: .82rem; font-weight: 700; }
.portfolio-link span { color: var(--page-blue); transition: transform .2s; }
.portfolio-link:hover span { transform: translate(3px, -3px); }
.portfolio-visual { overflow: hidden; margin: 0; border: 1px solid rgba(148,163,184,.36); border-radius: 16px; background: #e7edf2; box-shadow: 0 34px 70px rgba(15,23,42,.13); }
.portfolio-browser { display: flex; align-items: center; gap: 7px; height: 38px; padding: 0 15px; color: #8191a3; background: #f8fafc; font: 600 .51rem/1 "Manrope", sans-serif; letter-spacing: .07em; }
.portfolio-browser i { width: 6px; height: 6px; border-radius: 50%; background: #fb8f78; }
.portfolio-browser i:nth-child(2) { background: #f8c865; }
.portfolio-browser i:nth-child(3) { background: #6ed0b7; margin-right: 8px; }
.portfolio-visual img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; transition: transform .55s ease; }
.portfolio-item:hover .portfolio-visual img { transform: scale(1.025); }
.work-page-cta { position: relative; overflow: hidden; padding: 94px 0; color: #fff; background: #0f172a; }
.work-page-cta::after { content: "ISG"; position: absolute; right: -1vw; bottom: -4vw; color: rgba(255,255,255,.035); font: 800 clamp(9rem, 22vw, 22rem)/.75 "Manrope", sans-serif; letter-spacing: -.09em; }
.work-page-cta-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; z-index: 1; }
.work-page-cta .page-eyebrow { color: #67d7f0; }
.work-page-cta h2 { margin: 0; font-size: clamp(2.8rem, 5vw, 5rem); line-height: 1.04; letter-spacing: -.055em; }
.work-page-cta p { max-width: 540px; margin: 0 0 28px; color: #a9b4c3; line-height: 1.8; }

/* Reference palette enforcement — shared by every inner page */
.nav-submenu { border-color: rgba(148,163,184,.32); background: rgba(248,250,252,.98); box-shadow: 0 24px 55px rgba(15,23,42,.15); }
.nav-submenu a { color: var(--page-navy); }
.nav-submenu a:hover { color: var(--page-navy); background: rgba(6,182,212,.12); }
.mobile-submenu div a { color: var(--page-cool-gray); }

.page-main { background: #f8fafc; }
.page-hero { background: linear-gradient(140deg, #f8fafc 0%, var(--page-soft) 100%); border-bottom-color: rgba(148,163,184,.3); }
.page-hero::before { border-color: rgba(6,182,212,.16); box-shadow: 0 0 0 65px rgba(6,182,212,.04), 0 0 0 130px rgba(99,102,241,.025); }
.page-eyebrow, .breadcrumb a { color: var(--page-blue); }
.page-hero h1, .page-heading h2, .content-copy h2, .detail-content h2, .process-list h3, .article-card h2, .article-body h2, .contact-info h2, .contact-info dd { color: var(--page-navy); }
.page-hero p, .page-heading p, .content-copy p, .detail-content > p, .process-list p, .article-card p, .article-body p, .article-body li, .contact-info p { color: var(--page-cool-gray); }
.breadcrumb, .contact-info dt { color: var(--page-cool-gray); }
.page-section-soft { background: var(--page-soft); }

.stat-card, .service-link-card, .package-card, .article-card { border-color: rgba(148,163,184,.34); background: #f8fafc; }
.stat-card span, .detail-list li, .article-body .article-lead { color: var(--page-navy); }
.stat-card small { color: var(--page-cool-gray); }
.service-link-card small, .detail-list li::before, .process-list div::before, .detail-aside small, .package-card small, .package-card a, .article-card small { color: var(--page-blue); }
.service-link-card h2, .service-link-card h3 { color: var(--page-navy); }
.service-link-card p, .package-card > p { color: var(--page-cool-gray); }
.service-link-card span { color: var(--page-indigo, #6366f1); }
.service-link-card:hover, .service-link-card:focus-visible, .service-link-card:active { color: var(--page-soft); border-color: var(--page-blue-dark); background: var(--page-blue-dark); box-shadow: 0 24px 55px rgba(99,102,241,.24); }

.detail-list li { border-color: rgba(148,163,184,.32); background: var(--page-soft); }
.process-list, .process-list div { border-color: rgba(148,163,184,.32); }
.detail-aside { color: var(--page-soft); background: var(--page-navy); }
.detail-aside p, .package-card.featured > p { color: var(--page-cool-gray); }

.package-card.featured { color: var(--page-navy); border-color: rgba(148,163,184,.34); background: var(--page-soft); }
.package-card li { border-color: rgba(148,163,184,.3); }
.package-card.featured li { border-color: rgba(148,163,184,.3); }
.package-card:hover, .package-card:focus-within, .package-card.featured:hover, .package-card.featured:focus-within { color: var(--page-soft); border-color: var(--page-blue-dark); background: var(--page-blue-dark); }
.package-card:hover small, .package-card:hover h2, .package-card:hover > p, .package-card:hover li, .package-card:hover a,
.package-card:focus-within small, .package-card:focus-within h2, .package-card:focus-within > p, .package-card:focus-within li, .package-card:focus-within a { color: var(--page-soft); }
.package-card:hover li, .package-card:focus-within li { border-color: rgba(248,250,252,.22); }
.faq-list details, .faq-list details:last-child { border-color: rgba(148,163,184,.34); }
.faq-list summary { color: var(--page-navy); }
.faq-list summary::after { color: var(--page-blue); }
.faq-list details p { color: var(--page-cool-gray); }

.blog-filter a { color: var(--page-navy); border-color: rgba(148,163,184,.36); background: #f8fafc; }
.blog-filter a:hover, .blog-filter a.is-active { color: var(--page-soft); border-color: var(--page-blue-dark); background: var(--page-blue-dark); }
.article-card:hover { box-shadow: 0 22px 50px rgba(99,102,241,.14); }
.article-body .article-lead { color: var(--page-navy); }
.contact-info dt { color: var(--page-cool-gray); }

@media (max-width: 1040px) {
  .desktop-nav { gap: 12px; }
  .desktop-nav > a, .nav-item > a { font-size: .72rem; }
  .service-page-grid, .article-grid { grid-template-columns: repeat(2, 1fr); }
  .content-grid, .contact-page-grid { gap: 40px; }
  .work-hero-grid { gap: 45px; }
  .portfolio-item { min-height: 520px; gap: 45px; }
}
@media (max-width: 760px) {
  :root { --page-muted: #64748b; --page-cool-gray: #64748b; }
  .page-main { padding-top: 70px; }
  .page-shell { width: min(100% - 36px, 1180px); }
  .page-hero { padding: 60px 0 55px; }
  .page-hero h1 { font-size: clamp(2.65rem, 12vw, 4rem); }
  .page-section { padding: 58px 0; }
  .content-grid, .detail-layout, .contact-page-grid { grid-template-columns: 1fr; gap: 42px; }
  .service-page-grid, .article-grid, .package-grid { grid-template-columns: 1fr; }
  .detail-list { grid-template-columns: 1fr; }
  .detail-aside { position: static; }
  .package-card.featured { transform: none; }
  .package-card:hover, .package-card:focus-within, .package-card.featured:hover, .package-card.featured:focus-within { transform: translateY(-4px); }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .work-page-hero { padding-bottom: 68px; }
  .work-hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .work-hero-grid h1 { font-size: clamp(2.8rem, 13vw, 4.2rem); }
  .work-hero-grid > p { max-width: 560px; }
  .work-page-section { padding: 54px 0 75px; }
  .work-page-intro { display: grid; align-items: start; }
  .work-filter { justify-content: flex-start; }
  .portfolio-item, .portfolio-item-reverse { grid-template-columns: 1fr; gap: 34px; min-height: 0; padding: 58px 0; }
  .portfolio-item-reverse .portfolio-copy { order: 1; }
  .portfolio-item-reverse .portfolio-visual { order: 2; }
  .portfolio-copy h2 { margin-top: 20px; }
  .portfolio-visual { border-radius: 12px; box-shadow: 0 24px 50px rgba(15,23,42,.12); }
  .work-page-cta { padding: 72px 0; }
  .work-page-cta-inner { grid-template-columns: 1fr; gap: 32px; }

  .mobile-submenu div a,
  .detail-aside p { color: #a3b2c2; }
  .page-eyebrow { font-size: .72rem; }
  .breadcrumb { font-size: .75rem; line-height: 1.4; }
  .stat-card small { font-size: .9rem; }
  .service-link-card small,
  .package-card small,
  .article-card small,
  .contact-info dt,
  .portfolio-copy small { font-size: .72rem; }
  .service-link-card p,
  .detail-aside p,
  .article-card p { font-size: 1rem; line-height: 1.75; }
  .service-link-card span { font-size: .82rem; }
  .detail-aside small { font-size: .7rem; }
  .package-card li { font-size: 1rem; }
  .blog-filter a,
  .work-filter button { font-size: .75rem; }
  .portfolio-tags li { font-size: .7rem; }
  .portfolio-link { font-size: .9rem; }
  .portfolio-browser { font-size: .65rem; }
}



/* Portfolio detail heading scale */
.single-isg_work .page-hero h1 {
  max-width: 980px;
  font-size: clamp(2.5rem, 4vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -.05em;
}
.single-isg_work .article-body h2 { font-size: 1.55rem; }
.single-isg_work .article-body h3 {
  margin: 34px 0 12px;
  color: var(--page-navy);
  font-size: 1.12rem;
  line-height: 1.35;
}
@media (max-width: 760px) {
  .single-isg_work .page-hero h1 {
    font-size: clamp(2.05rem, 9vw, 3rem);
    line-height: 1.12;
    letter-spacing: -.04em;
  }
  .single-isg_work .article-body h2 { font-size: 1.4rem; }
  .single-isg_work .article-body h3 { font-size: 1.05rem; }
}



/* Smaller portfolio detail title */
.single-isg_work .page-hero h1 {
  max-width: 920px;
  font-size: clamp(2.25rem, 3.2vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -.045em;
}
@media (max-width: 760px) {
  .single-isg_work .page-hero h1 {
    font-size: clamp(1.9rem, 8vw, 2.6rem);
    line-height: 1.14;
    letter-spacing: -.035em;
  }
}