:root {
  --bg: #050b14;
  --surface: #091526;
  --surface-2: #0d1d32;
  --ink: #f3f7fc;
  --muted: #9eacbd;
  --line: rgba(142, 172, 211, .18);
  --blue: #1687ff;
  --blue-dark: #0868d5;
  --green: #00e7ae;
  --container: 1180px;
  --header: 82px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: Inter, Arial, sans-serif; line-height: 1.6; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 110px 0; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 999; padding: 10px 15px; color: #001410; background: var(--green); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header); border-bottom: 1px solid transparent; background: rgba(5, 11, 20, .72); backdrop-filter: blur(18px); transition: border-color .25s, background .25s; }
.site-header.scrolled { border-color: var(--line); background: rgba(5, 11, 20, .94); }
.nav-wrap { display: flex; height: 100%; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; }
.brand img { width: auto; height: 58px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; font-weight: 650; }
.main-nav > a:not(.nav-cta) { color: #c6d0de; transition: color .2s; }
.main-nav > a:not(.nav-cta):hover { color: #fff; }
.nav-cta { padding: 11px 18px; border: 1px solid rgba(22, 135, 255, .5); border-radius: 10px; background: rgba(22, 135, 255, .12); }
.nav-toggle { display: none; padding: 8px; border: 0; background: transparent; }
.nav-toggle span { display: block; width: 26px; height: 2px; margin: 5px; background: #fff; transition: .25s; }

.hero { position: relative; min-height: 100vh; overflow: hidden; padding: calc(var(--header) + 90px) 0 100px; background: radial-gradient(circle at 72% 42%, rgba(0, 111, 255, .17), transparent 30%), linear-gradient(135deg, #050b14 45%, #061426); }
.hero::before { position: absolute; inset: 0; content: ""; opacity: .28; background-image: linear-gradient(rgba(49, 119, 196, .14) 1px, transparent 1px), linear-gradient(90deg, rgba(49, 119, 196, .14) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(to right, transparent 2%, #000 55%, transparent); }
.hero-glow { position: absolute; top: 18%; right: 6%; width: 380px; height: 380px; border: 1px solid rgba(0, 231, 174, .12); border-radius: 50%; box-shadow: 0 0 100px rgba(0, 136, 255, .12); }
.hero-grid { position: relative; display: grid; min-height: 640px; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 85px; }
.eyebrow { display: flex; margin: 0 0 16px; align-items: center; gap: 11px; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow span { width: 26px; height: 2px; background: var(--green); box-shadow: 0 0 9px var(--green); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 680px; margin-bottom: 24px; font-size: clamp(46px, 6vw, 78px); line-height: .98; letter-spacing: -.055em; }
h1 em { display: block; color: var(--blue); font-style: normal; }
.hero-lead { max-width: 650px; margin-bottom: 34px; color: #b1bdcc; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.button { display: inline-flex; min-height: 52px; padding: 0 23px; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 11px; font-weight: 750; cursor: pointer; transition: transform .2s, background .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 14px 32px rgba(22, 135, 255, .25); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { border-color: var(--line); background: rgba(255, 255, 255, .035); }
.hero-points { display: flex; margin: 35px 0 0; padding: 0; flex-wrap: wrap; gap: 20px; color: #b6c2d0; font-size: 13px; list-style: none; }
.hero-points li::before { margin-right: 8px; color: var(--green); content: "✓"; font-weight: 800; }
.hero-visual { position: relative; }
.visual-card { position: relative; overflow: hidden; padding: 12px; border: 1px solid rgba(22, 135, 255, .35); border-radius: 26px; background: rgba(8, 21, 39, .8); box-shadow: 0 35px 80px rgba(0, 0, 0, .42), 0 0 70px rgba(0, 95, 220, .14); }
.visual-card > img { width: 100%; aspect-ratio: 4 / 5; border-radius: 17px; object-fit: cover; filter: saturate(.78) contrast(1.05); }
.visual-card::after { position: absolute; inset: 12px; content: ""; border-radius: 17px; background: linear-gradient(180deg, transparent 45%, rgba(2, 8, 16, .78)); }
.status-card { position: absolute; right: 30px; bottom: 30px; z-index: 2; display: flex; padding: 14px 18px; align-items: center; gap: 12px; border: 1px solid rgba(255, 255, 255, .13); border-radius: 13px; background: rgba(3, 11, 21, .82); backdrop-filter: blur(10px); }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--green); box-shadow: 0 0 15px var(--green); }
.status-card small, .status-card strong { display: block; }
.status-card small { color: var(--muted); font-size: 10px; text-transform: uppercase; }
.status-card strong { font-size: 13px; }
.tech-chip { position: absolute; z-index: 3; padding: 9px 15px; border: 1px solid rgba(0, 231, 174, .28); border-radius: 20px; color: #dffcf5; background: #071829; font-size: 12px; font-weight: 700; box-shadow: 0 10px 25px rgba(0, 0, 0, .35); }
.chip-one { top: 12%; left: -35px; }.chip-two { top: 37%; right: -35px; }

.section-heading { display: flex; margin-bottom: 50px; align-items: end; justify-content: space-between; gap: 50px; }
.section-heading h2, .advantages-copy h2, .contact-copy h2 { max-width: 680px; margin-bottom: 0; font-size: clamp(34px, 4vw, 52px); line-height: 1.08; letter-spacing: -.04em; }
.section-heading > p { max-width: 470px; margin-bottom: 4px; color: var(--muted); }
.services { background: #07101d; }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.service-card { position: relative; display: grid; overflow: hidden; min-height: 310px; grid-template-columns: .9fr 1.1fr; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); transition: transform .25s, border-color .25s; }
.service-card:hover { transform: translateY(-5px); border-color: rgba(22, 135, 255, .48); }
.service-card img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.7); }
.service-card > div { display: flex; padding: 34px 28px; flex-direction: column; justify-content: end; }
.service-card h3 { margin-bottom: 10px; font-size: 21px; line-height: 1.2; }
.service-card p { margin: 0; color: var(--muted); font-size: 14px; }
.service-number { position: absolute; top: 17px; right: 20px; z-index: 2; color: rgba(255, 255, 255, .25); font-size: 13px; font-weight: 800; }

.advantages { overflow: hidden; }
.advantages-grid { display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 90px; }
.advantages-image { position: relative; }
.advantages-image > img { width: 100%; aspect-ratio: 1; border-radius: 24px; object-fit: cover; filter: saturate(.75); }
.experience { position: absolute; right: -28px; bottom: 32px; width: 175px; padding: 21px; border: 1px solid rgba(0, 231, 174, .35); border-radius: 16px; background: #071423; box-shadow: 0 18px 45px rgba(0, 0, 0, .4); }
.experience strong, .experience span { display: block; }.experience strong { color: var(--green); font-size: 31px; }.experience span { color: #bdc8d5; font-size: 12px; }
.advantages-copy > p:not(.eyebrow) { max-width: 650px; margin: 22px 0 30px; color: var(--muted); }
.advantage-list { display: grid; gap: 8px; }
.advantage-list article { display: grid; padding: 20px 0; grid-template-columns: 48px 1fr; border-top: 1px solid var(--line); }
.advantage-list b { color: var(--blue); font-size: 13px; }.advantage-list h3 { margin-bottom: 4px; font-size: 17px; }.advantage-list p { margin: 0; color: var(--muted); font-size: 14px; }

.process { background: linear-gradient(145deg, #08172a, #06101d); }
.process-heading { justify-content: center; text-align: center; }.process-heading .eyebrow { justify-content: center; }
.process-list { position: relative; display: grid; margin: 65px 0 0; padding: 0; grid-template-columns: repeat(4, 1fr); gap: 28px; list-style: none; }
.process-list::before { position: absolute; top: 23px; right: 10%; left: 10%; height: 1px; content: ""; background: linear-gradient(90deg, transparent, var(--blue), var(--green), transparent); }
.process-list li { position: relative; text-align: center; }
.process-list li > span { position: relative; z-index: 2; display: grid; width: 47px; height: 47px; margin: 0 auto 24px; place-items: center; border: 1px solid rgba(0, 231, 174, .4); border-radius: 50%; color: var(--green); background: #071423; font-weight: 800; box-shadow: 0 0 0 8px #081525; }
.process-list h3 { margin-bottom: 7px; font-size: 17px; }.process-list p { margin: 0; color: var(--muted); font-size: 14px; }

.contact { background: radial-gradient(circle at 15% 45%, rgba(22, 135, 255, .16), transparent 30%), #040a12; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 85px; }
.contact-copy > p:not(.eyebrow) { max-width: 530px; margin: 22px 0 35px; color: var(--muted); }
.contact-details { display: grid; gap: 12px; }
.contact-details > * { padding: 15px 18px; border-left: 2px solid var(--blue); background: rgba(255, 255, 255, .025); }
.contact-details small, .contact-details strong { display: block; }.contact-details small { color: var(--muted); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }.contact-details strong { overflow-wrap: anywhere; font-size: 14px; }
.contact-form { display: grid; padding: 35px; gap: 18px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); box-shadow: 0 30px 70px rgba(0, 0, 0, .28); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.contact-form label { display: grid; gap: 7px; color: #cbd5e2; font-size: 12px; font-weight: 650; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; padding: 13px 14px; border: 1px solid #26364a; border-radius: 9px; outline: none; color: #fff; background: #08111e; color-scheme: dark; transition: border-color .2s, box-shadow .2s; }
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22, 135, 255, .12); }
.contact-form .invalid { border-color: #ff6877; }
.contact-form .button { width: 100%; }
.form-status { min-height: 22px; margin: 0; color: var(--green); font-size: 13px; text-align: center; }
.form-status.error { color: #ff8d98; }

.site-footer { padding: 35px 0; border-top: 1px solid var(--line); background: #03070d; }
.footer-wrap { display: flex; align-items: center; justify-content: space-between; gap: 25px; color: var(--muted); font-size: 12px; }
.footer-wrap .brand img { height: 48px; }.footer-wrap p { margin: 0; }
.footer-wrap .back-to-top { margin-right:auto;color:#d9e2ee;font-size:12px;font-weight:700;white-space:nowrap;transition:color .2s; }
.footer-wrap .back-to-top:hover { color:var(--green); }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .hero-grid { gap: 45px; }
  .services-grid { grid-template-columns: 1fr; }
  .advantages-grid, .contact-grid { gap: 55px; }
  .service-card { min-height: 280px; }
}

@media (max-width: 760px) {
  :root { --header: 70px; }
  .section { padding: 78px 0; }
  .brand img { height: 48px; }
  .nav-toggle { position: relative; z-index: 2; display: block; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { position: fixed; inset: var(--header) 0 auto; display: flex; padding: 18px 20px 28px; align-items: stretch; flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); background: #07101d; transform: translateY(-130%); visibility: hidden; transition: transform .3s, visibility .3s; }
  .main-nav.open { transform: none; visibility: visible; }
  .main-nav a { padding: 13px; text-align: center; }.nav-cta { margin-top: 7px; }
  .hero { padding-top: calc(var(--header) + 65px); }
  .hero-grid, .advantages-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }.hero-copy .eyebrow, .hero-actions { justify-content: center; }.hero-points { justify-content: center; }
  .hero-visual { width: min(100%, 480px); margin-inline: auto; }
  .visual-card > img { aspect-ratio: 4 / 3; }
  .tech-chip { display: none; }
  .section-heading { display: block; }.section-heading > p { margin-top: 20px; }
  .advantages-image { width: min(90%, 460px); margin-inline: auto; }.experience { right: -5%; }
  .process-list { grid-template-columns: repeat(2, 1fr); gap: 45px 22px; }.process-list::before { display: none; }
  .footer-wrap { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  h1 { font-size: 45px; }
  .hero-actions { flex-direction: column; }.hero-actions .button { width: 100%; }
  .hero-points { display: grid; text-align: left; }
  .service-card { display: block; }.service-card img { height: 190px; }.service-card > div { padding: 24px 22px; }
  .process-list { grid-template-columns: 1fr; }.process-list li { max-width: 310px; margin-inline: auto; }
  .field-row { grid-template-columns: 1fr; }.contact-form { padding: 25px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}