:root {
    --ink: #0b2f3b;
    --ink-soft: #385661;
    --blue: #2ea8cf;
    --blue-dark: #177fa6;
    --sky: #e9f7fb;
    --mist: #f4f8f8;
    --line: #dbe7e8;
    --white: #ffffff;
    --lime: #c9ed85;
    --shadow: 0 26px 80px rgba(9, 56, 72, .12);
    --radius-lg: 34px;
    --radius-md: 24px;
    --container: 1240px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: "Manrope", system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { touch-action: manipulation; }
button { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; transform: translateY(-160%); padding: 10px 14px; border-radius: 10px; color: white; background: var(--ink); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: absolute; z-index: 50; width: 100%; top: 0; padding-top: 22px; }
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 38px; padding: 10px 14px 10px 12px; border: 1px solid rgba(255,255,255,.72); border-radius: 22px; background: rgba(255,255,255,.82); box-shadow: 0 12px 50px rgba(20,70,83,.08); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-mark { width: 56px; height: 56px; display: grid; place-items: center; overflow: hidden; border-radius: 18px; background: linear-gradient(145deg, #fff, #e8f7fb); box-shadow: inset 0 0 0 1px rgba(45,168,207,.12); }
.brand-mark img { width: 50px; height: 50px; object-fit: contain; }
.brand-copy { display: flex; flex-direction: column; line-height: 1; }
.brand-copy strong { font-size: 20px; letter-spacing: -.045em; white-space: nowrap; }
.brand-copy small { margin-top: 7px; color: var(--ink-soft); font-size: 9px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.primary-nav { display: flex; align-items: center; justify-content: center; gap: 30px; margin-left: auto; }
.primary-nav a { position: relative; padding: 12px 0; color: #274955; font-size: 14px; font-weight: 600; }
.primary-nav a::after { content: ""; position: absolute; right: 0; bottom: 6px; left: 0; height: 2px; background: var(--blue); transform: scaleX(0); transform-origin: right; transition: transform .22s ease; }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.language-picker { position: relative; flex: 0 0 auto; }
.language-picker summary { width: 46px; height: 42px; display: grid; place-items: center; border: 1px solid #cfe0e3; border-radius: 13px; color: var(--ink); background: rgba(255,255,255,.72); font-size: 11px; font-weight: 800; letter-spacing: .08em; cursor: pointer; list-style: none; }
.language-picker summary::-webkit-details-marker { display: none; }
.language-picker[open] summary { border-color: #9ccfdb; background: white; }
.language-picker > div { position: absolute; z-index: 70; top: calc(100% + 9px); right: 0; min-width: 156px; display: grid; gap: 3px; padding: 7px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.98); box-shadow: 0 18px 46px rgba(9,49,61,.16); }
.language-picker a { display: grid; grid-template-columns: 28px 1fr; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 9px; color: var(--ink-soft); font-size: 11px; font-weight: 800; }
.language-picker a span { font-size: 12px; font-weight: 600; }
.language-picker a:hover, .language-picker a[aria-current="true"] { color: var(--ink); background: var(--sky); }
.header-phone { display: flex; flex-direction: column; padding: 10px 18px; border-radius: 15px; color: white; background: var(--ink); font-size: 14px; font-weight: 700; line-height: 1.25; transition: background .2s ease, transform .2s ease; }
.header-phone span { margin-bottom: 3px; color: #a9cad1; font-size: 9px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.header-phone:hover { background: #164a59; transform: translateY(-1px); }
.menu-toggle { display: none; width: 48px; height: 48px; padding: 0; border: 0; border-radius: 14px; color: var(--ink); background: var(--mist); cursor: pointer; }
.menu-toggle span:not(.sr-only) { width: 20px; height: 2px; display: block; margin: 4px auto; background: currentColor; }

.hero { position: relative; min-height: 920px; padding-top: 160px; overflow: hidden; background: linear-gradient(180deg, #f9fdfd 0%, #eef9fb 78%, #fff 100%); }
.hero-atmosphere { position: absolute; width: 720px; height: 720px; left: -220px; top: 80px; border-radius: 999px; background: radial-gradient(circle, rgba(130,217,236,.25), rgba(255,255,255,0) 68%); filter: blur(12px); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 74px; min-height: 635px; }
.hero-grid > * { min-width: 0; }
.hero-copy { padding: 48px 0; }
.eyebrow { display: flex; align-items: center; gap: 11px; margin-bottom: 24px; color: #51717b; font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { width: 28px; height: 2px; background: var(--blue); }
.eyebrow-light { color: #a8c2c9; }
.eyebrow-light span { background: #7ed6eb; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 720px; margin-bottom: 27px; font-size: clamp(49px, 5.25vw, 78px); line-height: .99; letter-spacing: -.062em; }
h1 em { color: var(--blue-dark); font-style: normal; font-weight: 600; }
.hero-lead { max-width: 590px; margin-bottom: 34px; color: #43626b; font-size: 19px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 0 23px; border: 1px solid transparent; border-radius: 15px; font-size: 14px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--ink); box-shadow: 0 14px 28px rgba(9,49,61,.18); }
.button-primary:hover { background: #164a59; box-shadow: 0 18px 34px rgba(9,49,61,.23); }
.button-ghost { border-color: #c7dadd; background: rgba(255,255,255,.56); }
.button-ghost:hover { background: white; }
.hero-points { display: flex; flex-wrap: wrap; gap: 24px; padding: 0; margin: 0; list-style: none; color: #52717a; font-size: 13px; font-weight: 650; }
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points svg { width: 20px; height: 20px; padding: 3px; border-radius: 50%; fill: none; stroke: var(--ink); stroke-width: 2.1; background: var(--lime); }
.hero-visual { position: relative; height: 560px; }
.hero-visual > img { width: 100%; height: 100%; object-fit: cover; border-radius: 180px 32px 32px 32px; box-shadow: var(--shadow); }
.hero-visual::after { content: ""; position: absolute; inset: 0; border-radius: 180px 32px 32px 32px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.55); pointer-events: none; }
.air-card { position: absolute; right: -24px; bottom: 56px; z-index: 2; display: flex; align-items: center; gap: 12px; min-width: 230px; padding: 15px 18px; border: 1px solid rgba(255,255,255,.75); border-radius: 18px; background: rgba(255,255,255,.88); box-shadow: 0 18px 46px rgba(9,49,61,.15); backdrop-filter: blur(14px); }
.air-card-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; color: var(--blue-dark); background: var(--sky); }
.air-card svg { width: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.air-card span:last-child { display: flex; flex-direction: column; }
.air-card strong { font-size: 13px; }
.air-card small { color: #67818a; font-size: 11px; }
.experience-card { position: absolute; z-index: 3; left: -38px; top: 82px; width: 116px; height: 116px; display: flex; align-items: center; justify-content: center; gap: 7px; border: 6px solid #effafb; border-radius: 50%; color: white; background: var(--blue-dark); box-shadow: 0 18px 50px rgba(24,127,166,.25); transform: rotate(-8deg); }
.experience-card strong { font-size: 38px; line-height: 1; letter-spacing: -.06em; }
.experience-card span { font-size: 10px; font-weight: 800; line-height: 1.2; letter-spacing: .04em; text-transform: uppercase; }
.experience-card:not(.experience-card-ru) { left: -52px; top: 66px; width: 146px; height: 146px; padding: 18px; }
.experience-card:not(.experience-card-ru) strong { font-size: 36px; }
.experience-card:not(.experience-card-ru) span { max-width: 64px; font-size: 9px; line-height: 1.25; }
.expertise-strip { position: relative; z-index: 3; min-height: 82px; display: flex; align-items: center; justify-content: space-between; margin-top: 22px; padding: 0 52px; border: 1px solid rgba(203,226,230,.8); border-radius: 22px; background: rgba(255,255,255,.8); box-shadow: 0 18px 54px rgba(9,49,61,.06); }
.expertise-strip span { color: #46646d; font-size: 13px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.expertise-strip i { width: 5px; height: 5px; border-radius: 50%; background: var(--blue); }

.section { padding: 120px 0; }
.section-heading { max-width: 760px; margin-bottom: 52px; }
.section-heading h2, .approach-copy h2, .contact h2 { margin-bottom: 0; font-size: clamp(39px, 4vw, 61px); line-height: 1.05; letter-spacing: -.055em; }
.section-heading > p { max-width: 590px; margin: 24px 0 0; color: var(--ink-soft); font-size: 17px; }
.split-heading { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 48px; }
.split-heading > p { max-width: 480px; margin: 0 0 5px; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-card { position: relative; min-height: 400px; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fbfdfd; transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease; }
.service-card:hover { transform: translateY(-7px); border-color: #b9dce4; box-shadow: 0 22px 54px rgba(10,67,83,.1); }
.service-card-featured { background: var(--sky); }
.service-card-dark { color: white; border-color: var(--ink); background: var(--ink); }
.service-number { position: absolute; top: 27px; right: 28px; color: #78929a; font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.service-card-dark .service-number { color: #8ab1bc; }
.service-icon { width: 64px; height: 64px; display: grid; place-items: center; margin-bottom: auto; border-radius: 20px; color: var(--blue-dark); background: white; box-shadow: 0 12px 30px rgba(32,131,160,.12); }
.service-card-dark .service-icon { color: white; background: rgba(255,255,255,.1); box-shadow: none; }
.service-icon svg { width: 31px; height: 31px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { margin: 35px 0 13px; font-size: 21px; line-height: 1.25; letter-spacing: -.025em; }
.service-card p { margin-bottom: 24px; color: #5b747c; font-size: 14px; }
.service-card-dark p { color: #b2c8ce; }
.service-card a { width: max-content; display: flex; gap: 8px; margin-top: auto; font-size: 13px; font-weight: 800; }
.service-card a span { color: var(--blue); }

.industries { color: white; overflow: hidden; background: var(--ink); }
.industries .section-heading { display: grid; grid-template-columns: 1fr; }
.industries .section-heading > p { color: #a9c0c6; }
.industry-grid { display: grid; grid-template-columns: 1.35fr .9fr .9fr 1.35fr; gap: 16px; }
.industry-card { position: relative; height: 420px; overflow: hidden; border-radius: var(--radius-md); background: #173f4b; }
.industry-card img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.88); transition: transform .55s cubic-bezier(.2,.65,.2,1), filter .3s ease; }
.industry-card:hover img { transform: scale(1.045); filter: saturate(1); }
.industry-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 42%, rgba(2,26,34,.9)); }
.industry-label { position: absolute; left: 24px; right: 24px; bottom: 24px; display: flex; flex-direction: column; }
.industry-label strong { font-size: 18px; }
.industry-label small { margin-top: 3px; color: #bdd0d5; font-size: 11px; }
.industry-arrow { position: absolute; right: 18px; top: 18px; width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.4); border-radius: 50%; background: rgba(8,44,55,.18); backdrop-filter: blur(8px); transition: color .2s ease, background .2s ease; }
.industry-card:hover .industry-arrow { color: var(--ink); background: white; }

.approach { background: #f5f9f9; }
.approach-grid { display: grid; grid-template-columns: .83fr 1.17fr; gap: 100px; }
.approach-copy > p { max-width: 540px; margin: 30px 0; color: var(--ink-soft); font-size: 17px; }
.text-link { display: inline-flex; align-items: center; gap: 14px; padding-bottom: 5px; border-bottom: 1px solid #8eb1ba; font-size: 13px; font-weight: 800; }
.text-link span { color: var(--blue-dark); }
.approach-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid #d5e2e3; }
.approach-list li { display: grid; grid-template-columns: 58px 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid #d5e2e3; }
.approach-list > li > span { padding-top: 3px; color: var(--blue-dark); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.approach-list strong { display: block; margin-bottom: 7px; font-size: 19px; }
.approach-list p { margin: 0; color: #60777e; font-size: 14px; }

.projects { background: white; }
.project-grid { display: grid; grid-template-columns: 1.25fr .75fr .75fr; gap: 18px; }
.project-card { min-width: 0; }
.project-image { height: 430px; overflow: hidden; border-radius: var(--radius-md); background: var(--mist); }
.project-card:not(.project-card-large) .project-image { height: 430px; }
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.2,.65,.2,1); }
.project-card:hover .project-image img { transform: scale(1.04); }
.project-meta { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 2px 0; }
.project-meta span:first-child { color: #6b838a; font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.project-meta h3 { margin: 3px 0 0; font-size: 20px; }
.project-arrow { width: 42px; height: 42px; display: grid; flex: 0 0 auto; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--blue-dark); transition: color .2s ease, background .2s ease; }
.project-card:hover .project-arrow { color: white; background: var(--ink); }
.projects-hero { min-height: 560px; }
.projects-archive { background: white; }
.project-archive-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 52px 18px; }
.project-archive-grid .project-card-featured { grid-column: span 2; }
.project-archive-grid .project-card-featured .project-image { height: 520px; }
.project-archive-grid .project-meta h2 { margin: 3px 0 0; font-size: 20px; }
.projects-empty { margin: 0; padding: 64px; border: 1px solid var(--line); border-radius: var(--radius-md); color: var(--ink-soft); text-align: center; background: var(--mist); }

.contact { position: relative; overflow: hidden; padding: 94px 0; color: white; background: linear-gradient(120deg, #1a91b7, #2eb3d4 58%, #6ccfe0); }
.contact-air { position: absolute; right: -90px; top: -190px; width: 620px; height: 620px; border: 90px solid rgba(255,255,255,.08); border-radius: 50%; }
.contact-grid { position: relative; display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 60px; }
.contact p { margin: 18px 0 0; color: #e6f8fc; font-size: 18px; }
.contact-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 16px; }
.contact-phone { font-size: clamp(25px, 3vw, 38px); font-weight: 800; letter-spacing: -.04em; }
.button-light { color: var(--ink); background: white; }

.site-footer { padding: 72px 0 20px; color: #c7d7db; background: #082934; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr .7fr; gap: 60px; padding-bottom: 58px; }
.brand-footer { color: white; }
.site-footer .brand-mark { background: white; }
.site-footer .brand-copy small { color: #86a4ac; }
.footer-grid > div:first-child > p { max-width: 360px; margin: 24px 0 0; color: #91aab1; font-size: 13px; }
.footer-grid nav, .footer-contacts { display: flex; flex-direction: column; gap: 12px; padding-top: 9px; }
.footer-grid nav a, .footer-contacts a { width: max-content; font-size: 13px; transition: color .2s ease; }
.footer-grid nav a:hover, .footer-contacts a:hover { color: white; }
.footer-bottom { min-height: 72px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.1); color: #72919a; font-size: 11px; }
.subbclub { display: flex; align-items: center; gap: 14px; color: #a5bbc1; transition: color .2s ease; }
.subbclub img { width: 56px; height: 56px; object-fit: contain; opacity: .82; transition: opacity .2s ease; }
.subbclub:hover { color: white; }
.subbclub:hover img { opacity: 1; }

/* Inner pages */
.inner-hero { position: relative; min-height: 590px; display: flex; align-items: flex-end; padding: 190px 0 92px; overflow: hidden; background: linear-gradient(150deg, #f8fcfc, #e9f7fa); }
.inner-air { position: absolute; width: 660px; height: 660px; right: -170px; top: -230px; border: 92px solid rgba(47,174,207,.08); border-radius: 50%; }
.inner-air::after { content: ""; position: absolute; width: 340px; height: 340px; left: -130px; bottom: -170px; border: 70px solid rgba(47,174,207,.06); border-radius: 50%; }
.inner-hero > .container { position: relative; z-index: 2; }
.breadcrumbs { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 72px; color: #6d868d; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.breadcrumbs a { transition: color .2s ease; }
.breadcrumbs a:hover { color: var(--blue-dark); }
.breadcrumbs span[aria-current="page"] { color: var(--ink); }
.inner-hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 80px; }
.inner-title { margin: 0; font-size: clamp(52px, 6vw, 86px); line-height: 1; letter-spacing: -.065em; }
.inner-title em { color: var(--blue-dark); font-style: normal; font-weight: 600; }
.inner-lead { max-width: 470px; margin: 0 0 12px; color: #496871; font-size: 18px; line-height: 1.75; }

.contact-details { background: white; }
.contact-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.primary-contact-card, .accounting-card, .contact-note-card { border-radius: var(--radius-lg); }
.primary-contact-card { padding: 46px; color: white; background: var(--ink); }
.contact-card-topline { display: flex; align-items: center; gap: 13px; margin-bottom: 34px; color: #94b1b8; font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.contact-card-topline i { width: 28px; height: 2px; background: var(--blue); }
.primary-contact-card h2, .accounting-card h2 { margin-bottom: 38px; font-size: clamp(30px, 3vw, 44px); line-height: 1.1; letter-spacing: -.045em; }
.contact-link-list { display: grid; }
.contact-link-list > a { display: grid; grid-template-columns: 52px 1fr auto; align-items: center; gap: 18px; min-height: 100px; border-top: 1px solid rgba(255,255,255,.12); }
.contact-link-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; color: #85d9eb; background: rgba(255,255,255,.08); }
.contact-link-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.contact-link-list a > span:nth-child(2) { display: flex; flex-direction: column; }
.contact-link-list small { margin-bottom: 3px; color: #87a5ad; font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.contact-link-list strong { font-size: 19px; letter-spacing: -.02em; }
.contact-link-list a > i { color: #80d8eb; font-style: normal; }
.contact-link-list a:hover strong { color: #8ee1f1; }
.contact-side-stack { display: grid; gap: 20px; }
.accounting-card { padding: 42px; background: var(--sky); }
.accounting-card .contact-card-topline { color: #5f7b83; }
.compact-phones { display: grid; }
.compact-phones a { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 64px; border-top: 1px solid #c9e0e4; font-size: 16px; font-weight: 750; }
.compact-phones a:last-child { border-bottom: 1px solid #c9e0e4; }
.compact-phones span { color: var(--blue-dark); }
.contact-note-card { display: grid; grid-template-columns: 58px 1fr; gap: 20px; align-items: start; padding: 30px; border: 1px solid var(--line); background: white; }
.contact-note-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 17px; color: var(--blue-dark); background: var(--mist); }
.contact-note-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.contact-note-card strong { display: block; margin-bottom: 6px; }
.contact-note-card p { margin: 0; color: #60777e; font-size: 13px; }
.contact-next-step { padding: 110px 0; background: #f5f9f9; }
.next-step-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.next-step-grid h2 { margin: 0; font-size: clamp(38px, 4vw, 60px); line-height: 1.05; letter-spacing: -.055em; }
.next-step-grid ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid #d4e3e5; }
.next-step-grid li { display: grid; grid-template-columns: 54px 1fr; gap: 22px; align-items: center; min-height: 92px; border-bottom: 1px solid #d4e3e5; }
.next-step-grid li span { color: var(--blue-dark); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.next-step-grid li p { margin: 0; font-weight: 700; }

.article-hero { min-height: 660px; color: white; background: linear-gradient(125deg, #082f3b, #0e4958 62%, #19738a); }
.article-hero .inner-air { border-color: rgba(126,217,235,.08); }
.article-hero .inner-air::after { border-color: rgba(126,217,235,.06); }
.article-hero .breadcrumbs { color: #93afb7; }
.article-hero .breadcrumbs span[aria-current="page"] { color: white; }
.article-hero .eyebrow { color: #a8c2c9; }
.article-hero-grid { display: grid; grid-template-columns: 1.3fr .7fr; align-items: end; gap: 80px; }
.article-hero-aside { display: grid; grid-template-columns: 48px 1fr; gap: 18px; align-items: start; margin-bottom: 11px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.17); }
.article-hero-aside span { color: #72d4e7; font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.article-hero-aside p { margin: 0; color: #c5d7dc; font-size: 16px; line-height: 1.7; }
.article-section { padding: 110px 0 130px; }
.article-layout { display: grid; grid-template-columns: 280px minmax(0, 760px); justify-content: space-between; gap: 80px; }
.article-sidebar { align-self: start; position: sticky; top: 24px; display: grid; gap: 16px; }
.article-nav-card { padding: 25px; border: 1px solid var(--line); border-radius: 22px; background: white; }
.article-nav-label { display: block; margin-bottom: 17px; color: #71888f; font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.article-nav-card nav { display: grid; }
.article-nav-card a { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 49px; border-top: 1px solid #e5edef; color: #60777e; font-size: 13px; font-weight: 700; }
.article-nav-card a[aria-current="page"] { color: var(--ink); }
.article-nav-card a span { color: var(--blue-dark); }
.sidebar-contact-card { padding: 26px; border-radius: 22px; color: white; background: var(--blue-dark); }
.sidebar-contact-card > span { display: block; margin-bottom: 10px; color: #c6edf5; font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.sidebar-contact-card > a:nth-child(2) { display: block; margin-bottom: 26px; font-size: 18px; font-weight: 800; }
.sidebar-contact-card > a:last-child { display: flex; justify-content: space-between; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.25); font-size: 12px; font-weight: 700; }
.prose { color: #38565f; font-size: 17px; line-height: 1.82; }
.prose > p { margin-bottom: 24px; }
.prose .lead { margin-bottom: 28px; color: var(--ink); font-size: 24px; line-height: 1.55; letter-spacing: -.025em; }
.prose h2 { margin: 74px 0 22px; color: var(--ink); font-size: clamp(32px, 4vw, 48px); line-height: 1.08; letter-spacing: -.05em; }
.article-quote { position: relative; margin: 58px 0; padding: 42px 46px 42px 92px; border-radius: 26px; background: var(--sky); }
.quote-mark { position: absolute; left: 31px; top: 22px; color: #70cade; font-size: 72px; font-weight: 800; line-height: 1; }
.article-quote blockquote { margin: 0; color: var(--ink); font-size: 25px; font-weight: 750; line-height: 1.45; letter-spacing: -.025em; }
.article-steps { margin: 40px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.article-steps li { display: grid; grid-template-columns: 55px 1fr; gap: 26px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.article-steps li > span { padding-top: 5px; color: var(--blue-dark); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.article-steps h3 { margin-bottom: 8px; color: var(--ink); font-size: 20px; }
.article-steps p { margin: 0; color: #60777e; font-size: 15px; }
.article-note { display: grid; grid-template-columns: 54px 1fr; gap: 20px; margin-top: 46px; padding: 28px; border: 1px solid #bfe0e6; border-radius: 22px; background: #f7fcfd; }
.article-note svg { width: 46px; height: 46px; padding: 10px; border-radius: 14px; fill: none; stroke: var(--blue-dark); stroke-width: 1.7; background: var(--sky); }
.article-note strong { display: block; margin-bottom: 5px; color: var(--ink); }
.article-note p { margin: 0; color: #60777e; font-size: 14px; }
.article-cta { margin-top: 0; }
.content-cover { height: 410px; margin: 0 0 46px; overflow: hidden; border-radius: 26px; background: var(--mist); }
.content-cover img { width: 100%; height: 100%; object-fit: cover; }
.legacy-content > *:first-child { margin-top: 0; }
.legacy-content h2, .legacy-content h3 { margin: 54px 0 18px; color: var(--ink); line-height: 1.2; letter-spacing: -.035em; }
.legacy-content h2 { font-size: 32px; }
.legacy-content h3 { font-size: 24px; }
.legacy-content ul, .legacy-content ol { padding-left: 1.35em; }
.legacy-content li { margin-bottom: 10px; padding-left: 7px; }
.legacy-content img { height: auto !important; max-width: 100% !important; margin: 24px 0 !important; border-radius: 18px; }
.legacy-content a { color: var(--blue-dark); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.related-content { margin-top: 58px; padding-top: 42px; border-top: 1px solid var(--line); }
.related-content-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.related-content-heading > span, .related-project-links > span { color: var(--blue-dark); font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.related-content-heading h2 { margin: 0; font-size: 30px; letter-spacing: -.035em; }
.related-content-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.related-content-grid a { position: relative; min-height: 170px; display: flex; flex-direction: column; padding: 22px 52px 22px 22px; border: 1px solid var(--line); border-radius: 18px; background: #f9fcfc; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.related-content-grid a:hover { transform: translateY(-3px); border-color: #abd5de; box-shadow: 0 16px 34px rgba(10,67,83,.08); }
.related-content-grid small { margin-bottom: 8px; color: #6b858d; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.related-content-grid strong { font-size: 18px; line-height: 1.25; }
.related-content-grid p { margin: 10px 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.5; }
.related-content-grid a > span { position: absolute; top: 20px; right: 20px; color: var(--blue-dark); font-size: 18px; }
.related-project-links { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 28px; padding: 18px 20px; border-radius: 16px; background: var(--sky); }
.related-project-links > span { margin-right: 8px; }
.related-project-links a { padding: 7px 11px; border-radius: 9px; background: white; font-size: 13px; font-weight: 750; }
.related-project-links b { color: var(--blue-dark); }
.content-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 42px; }
.content-gallery a { height: 270px; overflow: hidden; border-radius: 18px; background: var(--mist); }
.content-gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.content-gallery a:hover img { transform: scale(1.035); }
.not-found-page { min-height: 760px; align-items: center; }
.not-found-page .inner-lead { margin: 28px 0; }

:focus-visible { outline: 3px solid #87dff1; outline-offset: 4px; }

@media (max-width: 1100px) {
    .primary-nav { gap: 20px; }
    .header-phone { display: none; }
    .hero-grid { grid-template-columns: 1fr 1fr; gap: 42px; }
    .hero-visual { height: 510px; }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .industry-grid { grid-template-columns: repeat(2, 1fr); }
    .industry-card { height: 380px; }
    .approach-grid { gap: 60px; }
    .project-grid { grid-template-columns: 1.15fr .85fr; }
    .project-card:last-child { grid-column: 2; }
    .project-archive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .project-archive-grid .project-card:last-child { grid-column: auto; }
    .inner-hero-grid, .article-hero-grid { gap: 46px; }
    .article-layout { grid-template-columns: 250px minmax(0, 1fr); gap: 55px; }
}

@media (max-width: 820px) {
    .container { width: min(calc(100% - 28px), var(--container)); }
    .site-header { padding-top: 12px; }
    .header-inner { min-height: 66px; padding: 7px 8px; border-radius: 18px; }
    .brand-mark { width: 50px; height: 50px; border-radius: 15px; }
    .brand-mark img { width: 44px; height: 44px; }
    .brand-copy strong { font-size: 19px; }
    .menu-toggle { display: block; margin-left: auto; }
    .language-picker { order: 3; }
    .primary-nav { position: absolute; top: calc(100% + 10px); right: 14px; left: 14px; display: grid; gap: 4px; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.98); box-shadow: 0 20px 50px rgba(9,49,61,.16); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s ease, transform .2s ease, visibility .2s ease; }
    .primary-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
    .primary-nav a { padding: 12px 14px; border-radius: 10px; }
    .primary-nav a:hover { background: var(--sky); }
    .primary-nav a::after { display: none; }
    .hero { min-height: auto; padding: 124px 0 50px; }
    .hero-grid { display: flex; flex-direction: column; align-items: stretch; gap: 16px; }
    .hero-copy { padding: 34px 2px 22px; }
    h1 { font-size: clamp(46px, 13vw, 72px); }
    .hero-lead { font-size: 17px; }
    .hero-visual { height: 470px; margin-left: 26px; }
    .hero-visual > img, .hero-visual::after { border-radius: 120px 24px 24px 24px; }
    .experience-card { left: -26px; top: 62px; }
    .air-card { right: 16px; bottom: 18px; }
    .expertise-strip { min-height: auto; flex-wrap: wrap; gap: 15px 20px; margin-top: 36px; padding: 24px; }
    .expertise-strip i { display: none; }
    .section { padding: 86px 0; }
    .split-heading, .contact-grid { display: grid; align-items: start; gap: 26px; }
    .service-grid { grid-template-columns: 1fr 1fr; }
    .approach-grid { grid-template-columns: 1fr; gap: 48px; }
    .project-grid { grid-template-columns: 1fr 1fr; }
    .project-card-large { grid-column: 1 / -1; }
    .project-card:last-child { grid-column: auto; }
    .contact-actions { align-items: flex-start; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid > div:first-child { grid-column: 1 / -1; }
    .inner-hero { min-height: 540px; padding: 155px 0 74px; }
    .breadcrumbs { margin-bottom: 48px; }
    .inner-hero-grid, .article-hero-grid { grid-template-columns: 1fr; gap: 34px; }
    .inner-lead { max-width: 620px; }
    .contact-layout { grid-template-columns: 1fr; }
    .next-step-grid { grid-template-columns: 1fr; gap: 48px; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 580px) {
    h1 { font-size: clamp(40px, 11.5vw, 48px); }
    .brand-copy small { display: none; }
    .hero-actions { display: grid; grid-template-columns: 1fr; }
    .hero-actions .button { width: 100%; }
    .hero-visual { height: 390px; margin-left: 14px; }
    .experience-card { width: 96px; height: 96px; left: -16px; top: 48px; }
    .experience-card strong { font-size: 31px; }
    .experience-card:not(.experience-card-ru) { width: 122px; height: 122px; left: -20px; top: 38px; padding: 14px; }
    .experience-card:not(.experience-card-ru) strong { font-size: 30px; }
    .experience-card:not(.experience-card-ru) span { max-width: 56px; font-size: 8px; }
    .air-card { right: 10px; min-width: 0; }
    .air-card-icon { display: none; }
    .hero-points { display: grid; gap: 11px; }
    .expertise-strip { display: grid; grid-template-columns: 1fr 1fr; }
    .service-grid, .industry-grid, .project-grid, .project-archive-grid { grid-template-columns: 1fr; }
    .service-card { min-height: 350px; }
    .industry-card, .project-image, .project-card:not(.project-card-large) .project-image { height: 340px; }
    .project-card-large, .project-card:last-child { grid-column: auto; }
    .project-archive-grid .project-card-featured { grid-column: auto; }
    .project-archive-grid .project-card-featured .project-image { height: 340px; }
    .contact { padding: 76px 0; }
    .contact-phone { font-size: 28px; }
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-grid > div:first-child { grid-column: auto; }
    .footer-bottom { gap: 20px; }
    .subbclub span { display: none; }
    .inner-hero { min-height: 500px; padding-top: 132px; }
    .inner-title { font-size: clamp(42px, 12vw, 58px); }
    .breadcrumbs { margin-bottom: 38px; }
    .primary-contact-card, .accounting-card { padding: 28px 24px; border-radius: 24px; }
    .contact-link-list > a { grid-template-columns: 46px 1fr auto; gap: 12px; }
    .contact-link-list strong { font-size: 15px; }
    .contact-next-step { padding: 82px 0; }
    .article-hero { min-height: 580px; }
    .article-sidebar { grid-template-columns: 1fr; }
    .article-section { padding: 76px 0 90px; }
    .prose { font-size: 16px; }
    .prose .lead { font-size: 21px; }
    .article-quote { padding: 74px 26px 28px; margin: 42px 0; }
    .quote-mark { left: 24px; top: 16px; }
    .article-quote blockquote { font-size: 21px; }
    .article-steps li { grid-template-columns: 42px 1fr; gap: 14px; }
    .content-cover { height: 300px; }
    .content-gallery { grid-template-columns: 1fr; }
    .related-content-heading { display: block; }
    .related-content-heading h2 { margin-top: 8px; }
    .related-content-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}