section[id], .contact { scroll-margin-top: 88px; }

/* Engineering drawing layered over the real equipment photo. */
.hero { position: relative; isolation: isolate; }
.hero::before { content: ''; position: absolute; inset: 0; z-index: -1; opacity: .55; background-image: linear-gradient(rgba(27,155,220,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(27,155,220,.07) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(90deg, #000 0%, transparent 68%); }
.hero__image--network { overflow: hidden; box-shadow: 22px 22px 0 rgba(27,155,220,.1); }
.hero__image--network::after { content: ''; position: absolute; z-index: 1; inset: 0 8% 0 0; pointer-events: none; background: linear-gradient(135deg, rgba(6,37,58,.18), transparent 54%); }
.hero__image--network img { z-index: 0; }
.hero__scheme { position: absolute; z-index: 2; inset: 22px 11% 98px 24px; border: 1px solid rgba(255,255,255,.72); pointer-events: none; }
.hero__scheme::before, .hero__scheme::after, .hero__scheme span { content: ''; position: absolute; display: block; background: #8bdbfb; box-shadow: 0 0 0 5px rgba(139,219,251,.16); border-radius: 50%; width: 9px; height: 9px; }
.hero__scheme::before { left: 12%; top: 28%; }
.hero__scheme::after { right: 13%; bottom: 21%; }
.hero__scheme span { width: 38%; height: 1px; border-radius: 0; box-shadow: none; background: rgba(139,219,251,.95); transform-origin: left center; }
.hero__scheme span:nth-child(1) { left: 13%; top: 29%; transform: rotate(28deg); }
.hero__scheme span:nth-child(2) { left: 42%; top: 51%; width: 31%; transform: rotate(-18deg); }
.hero__scheme span:nth-child(3) { right: 13%; bottom: 21%; width: 18%; transform: rotate(90deg); transform-origin: right center; }
.hero__signal { position: absolute; z-index: 3; left: 20px; right: 16%; bottom: 16px; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid rgba(255,255,255,.35); background: rgba(6,37,58,.84); backdrop-filter: blur(8px); }
.hero__signal div { min-height: 72px; padding: 12px 13px; border-right: 1px solid rgba(255,255,255,.2); color: #fff; }
.hero__signal div:last-child { border-right: 0; }
.hero__signal b { display: block; margin-bottom: 4px; color: #8bdbfb; font-size: 11px; letter-spacing: .1em; }
.hero__signal span { display: block; font-size: 12px; font-weight: 700; line-height: 1.25; }
.hero__badge { z-index: 4; }

.route-section { padding: 0 0 32px; background: #fff; }
.route-section__grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 8%; align-items: end; }
.route-section__intro { padding: 38px 0 8px; }
.route-section__intro h2 { margin-bottom: 14px; font-size: clamp(30px, 3vw, 43px); }
.route-section__intro p:last-child { max-width: 370px; margin: 0; color: var(--muted); }
.route-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: #c8dce3; }
.route-card { min-height: 232px; padding: 25px 22px 21px; display: flex; flex-direction: column; background: #f5f9fa; color: var(--ink); text-decoration: none; transition: transform .2s ease, background .2s ease; }
.route-card:hover { transform: translateY(-5px); background: #eaf5f8; }
.route-card > span { color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .1em; }
.route-card h3 { margin: 19px 0 11px; font-size: 22px; }
.route-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.42; }
.route-card b { margin-top: auto; padding-top: 18px; font-size: 13px; }
.route-card i { margin-left: 7px; color: var(--blue); font-size: 18px; font-style: normal; }
.route-card--accent { background: var(--navy); color: #fff; }
.route-card--accent:hover { background: #0b3c58; }
.route-card--accent p { color: rgba(255,255,255,.72); }
.route-card--accent > span, .route-card--accent i { color: #8bdbfb; }

.faq { background: #fff; }
.faq__layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 11%; }
.faq__layout > div > p:last-child { color: var(--muted); font-size: 18px; }
.faq__items { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 19px 0; }
.faq summary { cursor: pointer; list-style: none; position: relative; padding-right: 30px; font-size: 20px; font-weight: 700; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 5px; top: -8px; color: var(--blue); font-size: 28px; font-weight: 400; }
.faq details[open] summary::after { content: '–'; }
.faq details p { margin: 14px 35px 0 0; color: var(--muted); }
.form-note { margin: 14px 0 0; color: var(--muted); font-size: 13px; }
.form-note a { color: var(--blue); font-weight: 700; }
.cookie { display: flex; align-items: center; gap: 16px; }
.cookie p { flex: 1; margin: 0; }
.cookie button { flex: none; white-space: nowrap; }

@media (max-width: 900px) {
  .faq__layout { grid-template-columns: 1fr; gap: 10px; }
}

.service-hero { position: relative; overflow: hidden; padding: 92px 0 76px; background: linear-gradient(126deg, #06253a 0%, #0c405f 58%, #e8f6fa 58%); color: #fff; }
.service-hero::before { content: ''; position: absolute; width: min(54vw, 780px); aspect-ratio: 1; right: -12%; top: -48%; border: 1px solid rgba(139,219,251,.35); box-shadow: 0 0 0 48px rgba(139,219,251,.05), 0 0 0 96px rgba(139,219,251,.04); border-radius: 50%; pointer-events: none; }
.service-hero__grid { position: relative; }
.service-hero__grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 8%; align-items: center; }
.service-hero h1 { max-width: 790px; }
.service-hero .hero__lead { color: rgba(255,255,255,.86); }
.service-hero__note { max-width: 710px; color: rgba(255,255,255,.72); font-size: 17px; }
.service-hero .button--light { border-color: rgba(255,255,255,.75); color: #fff; }
.service-hero .button--light:hover { border-color: var(--blue); }
.service-hero__offer { padding: 32px; background: #fff; color: var(--ink); box-shadow: 0 16px 42px rgba(0,0,0,.18); }
.service-hero__offer > span { color: var(--blue); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.service-hero__offer h2 { margin: 12px 0 18px; font-size: 31px; }
.service-hero__offer p, .workflow-layout__lead { color: var(--muted); }
.signal-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.signal-grid article { min-height: 175px; padding: 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-grid b { color: var(--blue); font-size: 13px; }
.signal-grid p { margin: 17px 0 0; font-size: 17px; line-height: 1.4; }
.workflow-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 10%; align-items: start; }
.workflow-layout__lead { font-size: 18px; }
.workflow { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.workflow li { position: relative; padding: 0 0 23px 58px; min-height: 52px; font-size: 17px; font-weight: 700; }
.workflow li::before { content: counter(step, decimal-leading-zero); counter-increment: step; position: absolute; left: 0; top: -2px; color: var(--blue); font-size: 13px; }
.workflow li:not(:last-child)::after { content: ''; position: absolute; left: 5px; top: 25px; bottom: 4px; width: 1px; background: #b8d3dc; }
.document-check { background: #0c405f; color: #fff; }
.document-check__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; align-items: center; }
.document-check p { color: rgba(255,255,255,.76); font-size: 18px; }
.document-check__grid ul { margin: 0; padding: 0; list-style: none; }
.document-check__grid li { padding: 15px 0 15px 30px; border-bottom: 1px solid rgba(255,255,255,.2); position: relative; }
.document-check__grid li::before { content: '✓'; position: absolute; left: 0; color: #78c9ef; font-weight: 700; }
.object-list { display: flex; flex-wrap: wrap; gap: 10px; }
.object-list span { padding: 12px 15px; border: 1px solid #cfe0e5; background: #f7fbfc; font-weight: 700; }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.16); }
.proof-grid article { padding: 28px; background: var(--navy); }
.proof-grid h3 { margin-bottom: 10px; font-size: 21px; }
.proof-grid p { margin: 0; color: rgba(255,255,255,.7); }
.form-fields-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.file-label { display: block; margin: 0 0 18px; font-size: 13px; font-weight: 700; }
.file-label input { display: block; width: 100%; margin: 7px 0 6px; font: 14px Arial, sans-serif; }
.file-label small { display: block; color: var(--muted); font-weight: 400; }

@media (max-width: 900px) {
  .hero::before { mask-image: none; }
  .route-section { padding-bottom: 0; }
  .route-section__grid { grid-template-columns: 1fr; gap: 18px; }
  .route-section__intro { padding: 48px 0 0; }
  .route-grid { grid-template-columns: repeat(3, 1fr); }
  .route-card { min-height: 212px; }
  .service-hero { background: #0c405f; padding: 70px 0; }
  .service-hero__grid, .workflow-layout, .document-check__grid { grid-template-columns: 1fr; gap: 38px; }
  .signal-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .hero__image--network { box-shadow: 10px 10px 0 rgba(27,155,220,.1); }
  .hero__scheme { inset: 16px 9% 88px 16px; }
  .hero__signal { left: 12px; right: 8%; bottom: 10px; grid-template-columns: repeat(2, 1fr); }
  .hero__signal div { min-height: 62px; padding: 9px; }
  .hero__signal div:nth-child(3) { display: none; }
  .hero__signal span { font-size: 11px; }
  .route-section__intro { padding-top: 40px; }
  .route-grid { grid-template-columns: 1fr; }
  .route-card { min-height: 0; padding: 22px 20px; }
  .route-card h3 { margin: 12px 0 8px; }
  .route-card b { margin-top: 14px; padding-top: 0; }
  .service-hero { padding: 54px 0; }
  .service-hero__offer { padding: 24px; }
  .signal-grid, .proof-grid, .form-fields-2 { grid-template-columns: 1fr; }
  .signal-grid article { min-height: 0; }
  .cookie { right: 12px; bottom: 12px; left: 12px; width: auto; gap: 10px; padding: 12px; }
  .cookie p { font-size: 12px; line-height: 1.35; }
  .cookie button { padding: 8px 11px; }
}