:root {
  --ink: #071827;
  --ink-2: #0c2438;
  --teal: #31d3c6;
  --teal-dark: #0d9488;
  --paper: #f5f8fa;
  --line: #dce5ea;
  --text: #14293a;
  --muted: #637481;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--text); font-family: Arial, Helvetica, sans-serif; }
a { color: inherit; text-decoration: none; }
.icon { width: 34px; height: 34px; display: inline-grid; place-items: center; border: 1px solid currentColor; border-radius: 8px; font-size: 18px; color: var(--teal-dark); }

.site-header {
  height: 86px; padding: 0 max(5vw, 24px); display: flex; align-items: center; justify-content: space-between;
  background: #fff; border-bottom: 1px solid var(--line); position: relative; z-index: 20;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 9px; background: var(--ink); color: var(--teal); font-size: 22px; font-weight: 900; letter-spacing: -.08em; }
.brand-name { display: flex; flex-direction: column; line-height: .9; letter-spacing: .07em; }
.brand-name b { font-size: 18px; color: var(--ink); }
.brand-name small { font-size: 9px; margin-top: 8px; color: #435866; letter-spacing: .12em; font-weight: 800; }
nav { display: flex; align-items: center; gap: 38px; font-size: 15px; font-weight: 700; }
nav a { transition: color .2s ease; }
nav a:hover { color: var(--teal-dark); }
.header-call { display: flex; gap: 9px; align-items: center; border: 1px solid var(--line); padding: 12px 17px; border-radius: 9px; font-size: 14px; font-weight: 800; }
.header-call svg { color: var(--teal-dark); }

.hero { min-height: 720px; position: relative; overflow: hidden; background: linear-gradient(125deg, #06131e 0%, #0a2438 66%, #073c42 140%); color: #fff; padding: 98px max(7vw, 32px); display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 8vw; }
.hero-grid { position: absolute; inset: 0; opacity: .11; background-image: linear-gradient(rgba(255,255,255,.25) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.25) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(90deg, #000, transparent 78%); }
.hero::after { content: ""; position: absolute; width: 520px; height: 520px; right: -190px; top: -200px; border-radius: 50%; background: var(--teal); opacity: .12; filter: blur(2px); }
.hero-orbit { position: absolute; border: 1px solid rgba(49,211,198,.23); border-radius: 50%; right: 7vw; top: 50%; transform: translateY(-50%); }
.orbit-one { width: 490px; height: 490px; }
.orbit-two { width: 610px; height: 610px; }
.hero-content { position: relative; z-index: 2; max-width: 750px; }
.eyebrow { display: flex; align-items: center; gap: 10px; text-transform: uppercase; font-size: 13px; letter-spacing: .17em; font-weight: 800; color: #b8c7d0; }
.eyebrow span { width: 28px; height: 2px; background: var(--teal); }
.company-title { margin: 24px 0 16px; color: #fff; font-size: clamp(1.25rem, 2vw, 1.8rem); line-height: 1.25; letter-spacing: .04em; font-weight: 900; }
.company-title strong { color: var(--teal); font-size: .72em; letter-spacing: .16em; }
.hero h1 { margin: 12px 0 28px; font-size: clamp(3.3rem, 6.2vw, 6.3rem); line-height: .96; letter-spacing: -.06em; max-width: 900px; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--teal); }
.hero-copy { max-width: 650px; color: #bdcad2; font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; }
.button { min-height: 52px; padding: 0 23px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border-radius: 8px; font-size: 15px; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--teal); color: var(--ink); }
.button.ghost { border: 1px solid #526473; color: #fff; }
.button.ghost:hover { background: rgba(255,255,255,.07); }

.system-card { position: relative; z-index: 2; min-height: 410px; border: 1px solid rgba(255,255,255,.2); background: rgba(8,30,45,.78); backdrop-filter: blur(14px); border-radius: 18px; box-shadow: 0 28px 80px rgba(0,0,0,.32); padding: 24px; display: flex; flex-direction: column; }
.system-top { display: flex; justify-content: space-between; font: 700 11px/1 Arial; letter-spacing: .15em; color: #8fa4b1; }
.system-top i { font-style: normal; color: var(--teal); }
.system-center { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.pulse-ring { width: 112px; height: 112px; display: grid; place-items: center; color: var(--teal); border: 1px solid rgba(49,211,198,.55); border-radius: 50%; box-shadow: 0 0 0 18px rgba(49,211,198,.06), 0 0 0 36px rgba(49,211,198,.035); margin-bottom: 32px; font-size: 42px; font-weight: 900; letter-spacing: -.08em; }
.system-center strong { font-size: 24px; letter-spacing: -.02em; }
.system-center span { color: #88a0ad; font-size: 14px; margin-top: 9px; }
.system-stats { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,255,255,.12); padding-top: 20px; gap: 20px; }
.system-stats span { color: #91a5b1; font-size: 12px; line-height: 1.4; }
.system-stats b { display: block; color: #fff; font-size: 23px; }

.intro-strip { min-height: 78px; padding: 18px max(7vw,32px); display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; gap: 24px; background: #fff; border-bottom: 1px solid var(--line); }
.intro-strip span { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 800; }
.intro-strip svg { width: 21px; height: 21px; padding: 4px; color: var(--teal-dark); border-radius: 50%; background: #dcf8f5; }

.section { padding: 110px max(7vw, 32px); }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 80px; margin-bottom: 55px; }
.kicker { margin: 0 0 17px; color: var(--teal-dark); text-transform: uppercase; font-size: 12px; font-weight: 900; letter-spacing: .18em; }
.section h2, .about h2, .contact h2 { margin: 0; color: var(--ink); font-size: clamp(2.2rem, 4vw, 4.3rem); line-height: 1.05; letter-spacing: -.045em; }
.section-heading > p { max-width: 520px; color: var(--muted); font-size: 17px; line-height: 1.75; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { position: relative; min-height: 300px; padding: 36px; background: #fff; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: transform .2s ease, box-shadow .2s ease; }
.service-card:hover { z-index: 2; transform: translateY(-5px); box-shadow: 0 20px 55px rgba(12,36,56,.10); }
.service-number { position: absolute; top: 25px; right: 27px; color: #b5c0c7; font: 800 12px/1 Arial; letter-spacing: .1em; }
.service-icon { width: 36px; height: 36px; color: var(--teal-dark); margin: 20px 0 30px; stroke-width: 1.6; }
.service-card h3 { color: var(--ink); font-size: 20px; margin: 0 0 15px; }
.service-card p { color: var(--muted); font-size: 15px; line-height: 1.7; margin: 0; }

.about { display: grid; grid-template-columns: 1.1fr .9fr; background: var(--ink-2); color: #fff; }
.about-panel { padding: 100px max(7vw, 32px); border-right: 1px solid rgba(255,255,255,.1); }
.kicker.light { color: var(--teal); }
.about h2 { color: #fff; max-width: 760px; }
.about-panel > p:not(.kicker) { max-width: 720px; margin: 30px 0 0; color: #afbec7; font-size: 17px; line-height: 1.75; }
.about-steps { display: flex; flex-direction: column; justify-content: center; padding: 70px max(6vw, 32px); }
.about-steps > div { position: relative; padding: 25px 0 25px 65px; border-bottom: 1px solid rgba(255,255,255,.1); }
.about-steps > div:last-child { border: 0; }
.about-steps span { position: absolute; left: 0; top: 28px; color: var(--teal); font: 800 12px/1 Arial; }
.about-steps h3 { margin: 0 0 9px; font-size: 19px; }
.about-steps p { margin: 0; color: #8fa3af; font-size: 14px; }

.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 10vw; align-items: center; background: #fff; }
.contact-copy > p:last-child { max-width: 520px; margin-top: 27px; color: var(--muted); font-size: 17px; line-height: 1.7; }
.contact-list { border-top: 1px solid var(--line); }
.contact-list a { min-height: 92px; display: grid; grid-template-columns: 40px 1fr 24px; gap: 17px; align-items: center; border-bottom: 1px solid var(--line); transition: padding .2s ease, color .2s ease; }
.contact-list a:hover { padding-left: 10px; color: var(--teal-dark); }
.contact-list a > svg:first-child { color: var(--teal-dark); }
.contact-list a > svg:last-child { width: 18px; }
.contact-list span { font-size: 17px; font-weight: 800; overflow-wrap: anywhere; }
.contact-list small { display: block; margin-bottom: 7px; color: #8a99a3; font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }

footer { min-height: 120px; padding: 30px max(5vw,24px); display: flex; align-items: center; justify-content: space-between; gap: 30px; background: #06131e; color: #8295a1; font-size: 12px; }
.footer-brand .brand-mark { background: var(--teal); color: var(--ink); }
.footer-brand .brand-name b { color: #fff; }
.mobile-call { display: none; }

@media (max-width: 980px) {
  nav { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 80px; }
  .system-card { max-width: 570px; width: 100%; }
  .orbit-one, .orbit-two { display: none; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; }
  .about-panel { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .contact { grid-template-columns: 1fr; gap: 60px; }
}

@media (max-width: 640px) {
  .site-header { height: 74px; }
  .header-call { width: 43px; height: 43px; padding: 0; justify-content: center; font-size: 0; }
  .hero { padding: 64px 22px; }
  .hero h1 { font-size: clamp(2.8rem, 14vw, 4.2rem); }
  .hero-copy { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .system-card { min-height: 360px; padding: 19px; }
  .intro-strip { grid-template-columns: 1fr 1fr; padding: 22px; }
  .section { padding: 78px 22px; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; margin-bottom: 38px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 260px; padding: 30px; }
  .about-panel, .about-steps { padding: 72px 22px; }
  .contact-list span { font-size: 15px; }
  footer { flex-direction: column; align-items: flex-start; padding: 40px 22px; }
  body { padding-bottom: 66px; }
  .mobile-call { display: flex; position: fixed; z-index: 50; left: 12px; right: 12px; bottom: 10px; height: 52px; align-items: center; justify-content: center; border-radius: 10px; background: var(--teal); color: var(--ink); font-size: 15px; font-weight: 900; box-shadow: 0 12px 35px rgba(0,0,0,.28); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}