@font-face { font-family: Golos; src: url('assets/golos-400.ttf') format('truetype'); font-weight: 400; font-display: swap; }
@font-face { font-family: Golos; src: url('assets/golos-500.ttf') format('truetype'); font-weight: 500; font-display: swap; }
@font-face { font-family: Golos; src: url('assets/golos-600.ttf') format('truetype'); font-weight: 600; font-display: swap; }
:root {
  --blue: #183849;
  --ink: #183849;
  --teal: #269dad;
  --muted: #526674;
  --pale-blue: #edf5fa;
  --pale-teal: #e8f6f5;
  --company-teal: #e0f2f0;
  --line: #d3e1e8;
  --header-height: 96px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body { margin: 0; color: var(--ink); background: #fff; font: 400 16px/1.5 Golos, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 500; text-wrap: balance; }
h1, h2 { letter-spacing: -.04em; line-height: 1.15; }
h2 { font-size: clamp(34px, 3.3vw, 44px); color: var(--blue); }
h3 { font-size: 22px; line-height: 1.3; letter-spacing: -.025em; }
p { text-wrap: pretty; }
em { font-style: normal; }
.container { width: min(1240px, calc(100% - 96px)); margin-inline: auto; }
.container > *, .section-heading > *, .approach-grid > *, .hero > *, .footer-grid > *, .contact-banner > * { min-width: 0; }
.svg-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
a, button, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--teal); outline-offset: 5px; }
::selection { background: #bce5e7; color: var(--ink); }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 100; padding: 12px 20px; background: var(--ink); color: #fff; }
.skip-link:focus { top: 12px; }
.eyebrow { font-size: 11px; font-weight: 500; letter-spacing: .1em; line-height: 1.6; color: var(--blue); }
.dot { width: 7px; height: 7px; background: var(--teal); border-radius: 50%; flex-shrink: 0; }

/* Header */
.header { position: sticky; top: 0; background: #fff; z-index: 20; border-bottom: 1px solid var(--line); }
.header-inner { height: var(--header-height); display: flex; align-items: center; gap: 32px; }
.brand { display: block; flex-shrink: 0; }
.brand img { width: 188px; height: auto; }
.navigation { display: flex; gap: 30px; margin-left: auto; margin-right: 24px; }
.navigation a, .header-phone { font-size: 14px; }
.navigation a:hover, .text-link:hover, .back-top:hover { color: #167c8b; }
.header-phone { display: flex; align-items: center; gap: 14px; font-weight: 500; white-space: nowrap; }
.header-phone .icon { width: 18px; height: 18px; color: var(--teal); }
.menu-toggle { display: none; }

/* First screen: the service offer and an illustrative personnel photograph. */
.hero-wrap { background: var(--blue); color: #fff; border-bottom: 3px solid var(--teal); }
.hero { display: grid; grid-template-columns: 1.18fr 1fr; gap: 56px; align-items: center; padding-block: 56px; }
.hero .eyebrow { display: flex; align-items: center; gap: 10px; color: #bce5e7; margin-bottom: 24px; }
h1 { font-size: clamp(42px, 3.9vw, 56px); max-width: 20ch; }
.headline-services, .headline-audience { display: block; }
h1 em { color: #78d6db; }
.hero-description { max-width: 48ch; font-size: 18px; line-height: 1.5; margin-top: 24px; color: #e3eef5; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 56px; padding: 16px 22px; border-radius: 7px; font-size: 15px; font-weight: 500; white-space: nowrap; transition: background .2s, transform .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--teal); color: #071e2c; }
.button-primary:hover { background: #55bbc5; }
.button .icon { width: 20px; height: 20px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; font-size: 15px; font-weight: 500; }
.text-link .icon { width: 20px; height: 20px; }
.hero .text-link:hover { color: #78d6db; }
.hero-additional { padding-top: 24px; border-top: 1px solid #269dad80; margin-top: 30px; color: #d1e2ee; font-size: 16px; max-width: 56ch; }
.hero-slogan { color: #bdd5e5; font-size: 14px; margin-top: 18px; }
.hero-visual { position: relative; height: 560px; border-radius: 16px; overflow: hidden; background: #0e2b45; }
.hero-photo { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.hero-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 42%, #183849d9); pointer-events: none; }
.photo-label { width: fit-content; max-width: calc(100% - 48px); padding: 10px 12px; border-radius: 4px; background: #fffffff0; color: var(--ink); position: absolute; top: 24px; left: auto; right: 24px; z-index: 1; display: flex; align-items: center; gap: 8px; font-size: 10px; line-height: 1.5; letter-spacing: .06em; }
.visual-caption { position: absolute; bottom: 32px; left: 32px; right: 32px; z-index: 1; }
.caption-label { color: #a8e4e7; font-size: 10px; letter-spacing: .09em; }
.visual-caption p { font-size: 28px; line-height: 1.25; letter-spacing: -.025em; margin-top: 12px; }
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-bottom: 1px solid var(--line); }
.pillars a { display: flex; align-items: center; gap: 24px; padding: 26px 28px; font-size: 16px; font-weight: 500; }
.pillars a:first-child { padding-left: 0; }
.pillars a:last-child { padding-right: 0; }
.pillars a + a { border-left: 1px solid var(--line); }
.pillars a:hover { color: #167c8b; }
.pillar-number { color: var(--muted); font-size: 12px; font-weight: 400; }
.pillars .icon { width: 18px; height: 18px; color: var(--teal); margin-left: auto; }

/* Services: full-width detail panel on desktop, native accordions on mobile. */
.section { padding-block: 88px; }
.section-heading { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items: end; margin-bottom: 40px; }
.section-heading .eyebrow { margin-bottom: 18px; }
.section-heading .eyebrow::before, .approach-copy .eyebrow::before { content: ''; display: inline-block; width: 28px; height: 2px; margin-right: 12px; background: var(--teal); vertical-align: middle; }
.section-intro { max-width: 38ch; justify-self: end; color: var(--muted); font-size: 16px; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: start; }
.service-card { background: var(--pale-blue); border: 1px solid transparent; border-radius: 12px; transition: background .2s, border-color .2s; scroll-margin-top: 8px; }
.service-card:nth-of-type(-n+3) { background: var(--pale-teal); }
.service-card:hover { border-color: #99cbd4; }
.service-card[open], .service-card.is-active { background: var(--pale-teal); border-color: var(--teal); }
.service-card summary { display: grid; grid-template-rows: 32px 58px minmax(96px, auto) 40px; gap: 18px; padding: 28px 28px 20px; cursor: pointer; list-style: none; }
.service-card summary::-webkit-details-marker { display: none; }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; }
.card-top > span { font-size: 12px; color: var(--muted); }
.service-icon { width: 32px; height: 32px; fill: none; stroke: var(--teal); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.service-card h3 { color: var(--blue); text-wrap: initial; max-width: 24ch; }
.service-description { color: var(--muted); font-size: 16px; line-height: 1.5; }
.card-action { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 14px; font-size: 14px; font-weight: 500; }
.plus { position: relative; width: 24px; height: 24px; flex-shrink: 0; border: 1px solid #80b7c2; border-radius: 50%; }
.plus::before, .plus::after { content: ''; position: absolute; width: 9px; height: 1px; left: 6.5px; top: 10.5px; background: var(--blue); }
.plus::after { transform: rotate(90deg); transition: transform .2s; }
[open] .plus::after, .is-active .plus::after { transform: rotate(0); }
.service-detail { padding: 4px 28px 28px; }
.service-detail ul { padding-left: 20px; margin: 0 0 26px; font-size: 16px; line-height: 1.5; }
.service-detail li + li { margin-top: 12px; }
.service-detail li::marker { color: var(--teal); }
.service-pending { color: var(--muted); margin-bottom: 26px; }
.service-contact { display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: 240px; color: var(--blue); font-weight: 500; }
.service-contact:hover { text-decoration: underline; text-underline-offset: 4px; }
.service-panel { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; padding: 32px; background: var(--pale-teal); border: 1px solid #acd6d9; border-radius: 12px; }
.service-panel h3 { color: var(--blue); font-size: 26px; margin-bottom: 22px; }
.service-panel .service-detail { padding: 0; }
.panel-close { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; padding: 0; border: 0; background: none; color: var(--blue); font-size: 14px; cursor: pointer; }
.panel-close:hover { text-decoration: underline; text-underline-offset: 4px; }
.panel-close span { font-size: 22px; font-weight: 400; }
.services-note { margin-top: 24px; color: var(--muted); font-size: 16px; }

/* Company and examples */
.approach { background: var(--company-teal); }
.approach-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 80px; align-items: center; padding-block: 80px; }
.approach-copy .eyebrow { margin-bottom: 20px; }
.approach-copy h2 { margin-bottom: 28px; }
.approach-copy > p:not(.eyebrow) { font-size: 16px; color: var(--muted); max-width: 54ch; }
.approach-copy > p:not(.eyebrow) + p { margin-top: 16px; }
.work-examples { border-top: 1px solid #b8d9d9; }
.work-examples > div { display: grid; grid-template-columns: 32px 1fr; column-gap: 20px; row-gap: 10px; padding-block: 26px; border-bottom: 1px solid #b8d9d9; }
.work-examples .service-icon { grid-row: 1 / 3; }
.work-examples h3 { color: var(--blue); font-size: 20px; text-wrap: initial; }
.work-examples p { grid-column: 2; color: var(--muted); font-size: 16px; }

/* Cooperation */
.process-steps { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; }
.process-steps li { border-top: 1px solid var(--line); padding-top: 20px; }
.step-number { display: flex; align-items: center; justify-content: space-between; color: var(--blue); font-size: 14px; margin-bottom: 28px; }
.step-number .icon { width: 19px; height: 19px; color: var(--teal); }
.process-steps h3 { color: var(--blue); font-size: 20px; margin-bottom: 14px; text-wrap: initial; }
.process-steps p { max-width: 34ch; color: var(--muted); font-size: 16px; }

/* Contacts */
.contact-banner { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 64px; padding: 56px; border-radius: 20px; background: var(--blue); color: #fff; }
.contact-banner .eyebrow { color: #bce5e7; margin-bottom: 20px; }
.contact-banner h2 { color: #fff; margin-bottom: 24px; }
.contact-copy > p:not(.eyebrow) { max-width: 38ch; color: #e3eef5; font-size: 16px; }
.contact-action { display: flex; flex-direction: column; align-items: flex-start; gap: 22px; }
.contact-email { font-size: clamp(20px, 2.2vw, 28px); line-height: 1.3; letter-spacing: -.025em; overflow-wrap: anywhere; }
.contact-email:hover { text-decoration: underline; text-underline-offset: 5px; }
.contact-action .button { min-width: 252px; }
.contact-phone { display: inline-flex; align-items: center; gap: 10px; color: #e3eef5; font-size: 16px; white-space: nowrap; }
.contact-phone .icon { width: 18px; height: 18px; color: #8bd4db; }
.contact-phone:hover { text-decoration: underline; text-underline-offset: 5px; }

/* Footer: brand, services, and structured contacts on one grid. */
.site-footer { padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1fr .85fr 1.55fr; gap: 56px; padding-bottom: 48px; }
.footer-brand img { width: 188px; }
.footer-about > p { color: var(--muted); font-size: 16px; max-width: 28ch; margin-top: 24px; }
.footer-call { display: inline-flex; align-items: center; gap: 14px; color: var(--blue); font-size: 15px; font-weight: 500; margin-top: 24px; }
.footer-call .icon { width: 18px; height: 18px; color: var(--teal); }
.footer-grid h3 { font-size: 16px; line-height: 1.5; letter-spacing: 0; color: var(--blue); margin-bottom: 24px; text-wrap: initial; }
.footer-services ul { margin: 0; padding: 0; list-style: none; }
.footer-services li + li { margin-top: 14px; }
.footer-services a { font-size: 15px; color: var(--muted); }
.footer-services a:hover, .footer-contacts a:hover { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.footer-contacts dl { margin: 0 0 22px; font-size: 15px; }
.footer-contacts dl > div { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 16px; }
.footer-contacts dl > div + div { margin-top: 12px; }
.footer-contacts dt { color: var(--muted); }
.footer-contacts dd { margin: 0; overflow-wrap: anywhere; }
.copy-button { display: flex; align-items: center; gap: 10px; min-height: 36px; padding: 0; border: 0; background: none; color: var(--blue); font-size: 14px; text-align: left; cursor: pointer; }
.copy-button:hover { text-decoration: underline; text-underline-offset: 4px; }
.copy-button .icon { width: 17px; height: 17px; color: var(--teal); }
.copy-status { color: var(--muted); font-size: 13px; min-height: 20px; margin-top: 6px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 24px; border-top: 1px solid var(--line); font-size: 14px; }
.footer-bottom p { color: var(--muted); }
.back-top { display: inline-flex; align-items: center; gap: 12px; }
.back-top .icon { width: 18px; height: 18px; }

@media (max-width: 1100px) {
  :root { --header-height: 84px; }
  .container { width: calc(100% - 64px); }
  .header-inner { gap: 24px; }
  .brand img { width: 168px; }
  .navigation { gap: 24px; margin-right: 0; }
  .header-phone .icon { display: none; }
  .hero { gap: 32px; padding-block: 44px; }
  h1 { font-size: clamp(38px, 4.3vw, 47px); }
  .hero-description { font-size: 16px; }
  .hero-actions { gap: 20px; }
  .hero-visual { height: 600px; }
  .visual-caption { left: 24px; right: 24px; }
  .section { padding-block: 72px; }
  .section-heading { gap: 36px; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .service-card summary { padding-inline: 24px; }
  .approach-grid { gap: 48px; padding-block: 64px; }
  .contact-banner { padding: 40px; gap: 36px; }
  .contact-banner h2 { font-size: 38px; }
  .footer-grid { grid-template-columns: 1fr .9fr 1.55fr; gap: 32px; }
  .footer-contacts dl > div { grid-template-columns: 100px minmax(0, 1fr); gap: 12px; }
}
@media (max-width: 820px) {
  :root { --header-height: 78px; }
  .container { width: calc(100% - 48px); }
  .header-inner { gap: 20px; }
  .brand img { width: 160px; }
  .header-phone { margin-left: auto; font-size: 13px; }
  .menu-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; width: 40px; height: 44px; padding: 8px; border: 0; background: none; cursor: pointer; flex-shrink: 0; }
  .menu-toggle span { width: 22px; height: 1.5px; background: var(--ink); transition: transform .2s; }
  .menu-toggle[aria-expanded=true] span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .menu-toggle[aria-expanded=true] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .navigation { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; margin: 0; padding: 12px 24px 20px; background: #fff; border-bottom: 1px solid var(--line); gap: 0; }
  .navigation.is-open { display: flex; flex-direction: column; }
  .navigation a { padding-block: 12px; font-size: 16px; }
  .hero { grid-template-columns: 1fr; gap: 36px; }
  h1 { font-size: clamp(42px, 6.5vw, 54px); max-width: 23ch; }
  .hero-description { font-size: 18px; max-width: 56ch; }
  .hero-visual { width: 100%; max-width: 520px; height: 440px; justify-self: center; }
  .hero-photo { object-position: center top; }
  .hero-additional { max-width: 62ch; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 32px; }
  .section-intro { justify-self: start; max-width: 55ch; }
  h2 { font-size: 36px; }
  .approach-grid { grid-template-columns: 1fr; gap: 36px; }
  .work-examples { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 0; gap: 24px; }
  .work-examples > div { display: flex; flex-direction: column; padding-block: 24px; border-top: 1px solid #b8d9d9; border-bottom: 0; }
  .work-examples h3 { font-size: 18px; min-height: 48px; margin-top: 10px; }
  .process-steps { gap: 24px; }
  .process-steps h3 { min-height: 52px; }
  .contact-banner { grid-template-columns: 1fr; gap: 32px; }
  .contact-email { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-about { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; column-gap: 40px; }
  .footer-about > p { margin-top: 0; }
  .footer-call { grid-column: 2; margin-top: 16px; }
  .footer-contacts dl > div { grid-template-columns: 100px minmax(0, 1fr); }
}
@media (max-width: 700px) {
  :root { --header-height: 74px; }
  .container { width: calc(100% - 40px); }
  .header-inner { gap: 12px; }
  .brand img { width: 142px; }
  .header-phone { font-size: 11px; }
  .menu-toggle { width: 34px; padding-inline: 5px; }
  .hero { padding-block: 36px; gap: 30px; }
  .hero .eyebrow { font-size: 10px; letter-spacing: .06em; margin-bottom: 24px; }
  h1 { font-size: clamp(32px, 8.8vw, 48px); letter-spacing: -.04em; max-width: 21ch; }
  .hero-description { font-size: 16px; margin-top: 22px; }
  .hero-actions { align-items: flex-start; gap: 22px; row-gap: 18px; margin-top: 26px; }
  .button { font-size: 15px; min-height: 54px; padding-inline: 20px; gap: 20px; }
  .hero-actions .text-link { min-height: 44px; }
  .hero-additional { margin-top: 24px; padding-top: 24px; }
  .hero-visual { height: auto; aspect-ratio: 7 / 6; border-radius: 12px; }
  .photo-label { top: 20px; left: auto; right: 20px; font-size: 9px; }
  .visual-caption { left: 20px; right: 20px; bottom: 24px; }
  .visual-caption p { font-size: 25px; }
  .caption-label { font-size: 9px; }
  .pillars a { display: grid; grid-template-columns: 1fr; gap: 6px; padding: 20px 12px; font-size: 13px; }
  .pillars .icon { display: none; }
  .pillar-number { font-size: 10px; }
  .section { padding-block: 56px; }
  .section-heading { gap: 20px; margin-bottom: 28px; }
  .section-heading .eyebrow { margin-bottom: 16px; }
  h2 { font-size: clamp(29px, 7.8vw, 36px); line-height: 1.2; }
  .service-grid { grid-template-columns: 1fr; gap: 14px; }
  .service-card summary { grid-template-rows: auto; gap: 18px; padding: 24px 24px 20px; }
  .service-card h3 { font-size: 22px; }
  .card-action { margin-top: 4px; padding-top: 16px; }
  .service-detail { padding: 4px 24px 24px; }
  .services-note { margin-top: 20px; }
  .approach-grid { padding-block: 56px; gap: 32px; }
  .approach-copy h2 { margin-bottom: 24px; }
  .work-examples { display: block; }
  .work-examples > div { display: grid; grid-template-columns: 32px 1fr; column-gap: 18px; row-gap: 10px; }
  .work-examples h3 { font-size: 20px; min-height: 0; margin: 0; }
  .process-steps { grid-template-columns: 1fr; gap: 28px; }
  .step-number { margin-bottom: 18px; }
  .process-steps h3 { min-height: 0; margin-bottom: 12px; }
  .process-steps p { max-width: none; }
  .contact-banner { padding: 30px 24px; border-radius: 14px; gap: 30px; }
  .contact-banner h2 { font-size: clamp(28px, 7.5vw, 34px); margin-bottom: 20px; }
  .contact-email { font-size: 23px; }
  .contact-action { gap: 20px; }
  .contact-action .button { min-width: 0; width: 100%; }
  .site-footer { padding-top: 48px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 24px; }
  .footer-about { display: block; grid-column: auto; }
  .footer-brand img { width: 164px; }
  .footer-about > p { margin-top: 20px; max-width: 35ch; }
  .footer-call { margin-top: 18px; min-height: 44px; }
  .footer-grid h3 { margin-bottom: 18px; }
  .footer-services ul { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
  .footer-services li + li { margin: 0; }
  .footer-services a { display: block; min-height: 36px; }
  .footer-contacts dl > div { grid-template-columns: 100px minmax(0, 1fr); gap: 12px; }
  .footer-bottom { align-items: flex-start; padding-block: 22px; font-size: 12px; }
  .back-top { gap: 8px; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 32px); }
  .header-inner { gap: 8px; }
  .brand img { width: 120px; }
  .header-phone { font-size: 10px; }
  .service-card summary { padding-inline: 20px; }
  .contact-banner { padding-inline: 20px; }
  .contact-email { font-size: 21px; }
  .footer-contacts dl > div { display: block; }
  .footer-contacts dt { margin-bottom: 4px; }
  .footer-contacts dl > div + div { margin-top: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
