:root {
  --red: #e3161b;
  --red-dark: #b90f14;
  --ink: #111216;
  --ink-soft: #262830;
  --text: #25272d;
  --muted: #656a74;
  --line: #dfe1e6;
  --paper: #f7f7f8;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(17, 18, 22, 0.13);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 10px 16px; background: var(--white); color: var(--ink); }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  border-bottom: 1px solid rgba(255,255,255,.12);
  background: rgba(17,18,22,.78);
  backdrop-filter: blur(16px);
  transition: background .25s ease, box-shadow .25s ease;
}
.site-header.scrolled { background: rgba(17,18,22,.96); box-shadow: 0 10px 30px rgba(0,0,0,.16); }
.nav-wrap { width: min(1240px, calc(100% - 40px)); min-height: 86px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: block; padding: 7px 11px; border-radius: 12px; background: rgba(255,255,255,.94); box-shadow: 0 5px 20px rgba(0,0,0,.16); }
.brand img { width: 210px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a { position: relative; color: #f1f1f2; font-size: 15px; font-weight: 700; letter-spacing: .03em; text-decoration: none; }
.site-nav a::after { content: ""; position: absolute; left: 0; bottom: -9px; width: 0; height: 2px; background: var(--red); transition: width .2s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { width: 100%; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 10px; background: rgba(255,255,255,.08); }
.nav-toggle span { display: block; width: 22px; height: 2px; margin: 5px auto; background: white; }

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  color: var(--white);
  background: var(--ink) url("assets/hero-tech.jpg") center / cover no-repeat;
}
.hero::after { content: ""; position: absolute; inset: auto -10% -38% 35%; height: 520px; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; transform: rotate(-8deg); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,9,12,.98) 0%, rgba(8,9,12,.88) 42%, rgba(8,9,12,.35) 100%), linear-gradient(0deg, rgba(227,22,27,.16), transparent 55%); }
.hero-grid { position: relative; z-index: 2; min-height: 820px; display: grid; grid-template-columns: 1.18fr .82fr; align-items: center; gap: 72px; padding-top: 86px; }
.eyebrow { margin: 0 0 18px; color: #fff; font-size: 13px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow.red { color: var(--red); }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(54px, 6vw, 86px); line-height: .98; letter-spacing: -.045em; }
.hero h1 span { color: var(--red); }
.hero-lead { max-width: 690px; margin: 30px 0 0; color: rgba(255,255,255,.8); font-size: 21px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 13px 24px; border: 1px solid transparent; border-radius: 999px; font-size: 16px; font-weight: 800; text-decoration: none; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--red); color: white; box-shadow: 0 12px 30px rgba(227,22,27,.32); }
.button-primary:hover { background: var(--red-dark); }
.button-ghost { border-color: rgba(255,255,255,.35); color: white; background: rgba(255,255,255,.05); }
.button-ghost:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.7); }
.button-light { background: white; color: var(--ink); }

.control-card { position: relative; padding: 24px; border: 1px solid rgba(255,255,255,.18); border-radius: 28px; background: linear-gradient(150deg, rgba(255,255,255,.14), rgba(255,255,255,.04)); box-shadow: 0 30px 90px rgba(0,0,0,.42); backdrop-filter: blur(18px); }
.control-card::before { content: ""; position: absolute; inset: 9px; border: 1px solid rgba(255,255,255,.08); border-radius: 21px; pointer-events: none; }
.control-topline { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; padding: 4px 4px 18px; color: rgba(255,255,255,.68); font-size: 13px; text-transform: uppercase; letter-spacing: .1em; }
.control-topline strong { color: white; }
.live-dot { width: 9px; height: 9px; border-radius: 50%; background: #57d691; box-shadow: 0 0 0 5px rgba(87,214,145,.12); }
.control-core { min-height: 285px; display: flex; flex-direction: column; align-items: center; justify-content: center; border-block: 1px solid rgba(255,255,255,.12); }
.control-core p { margin: 18px 0 0; color: rgba(255,255,255,.62); font-size: 14px; }
.control-core strong { font-size: 29px; }
.radar { position: relative; width: 126px; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; background: repeating-radial-gradient(circle, transparent 0 18px, rgba(255,255,255,.08) 19px 20px); }
.radar::before, .radar::after { content: ""; position: absolute; background: rgba(255,255,255,.18); }
.radar::before { left: 50%; top: 0; width: 1px; height: 100%; }
.radar::after { left: 0; top: 50%; width: 100%; height: 1px; }
.radar span { position: absolute; inset: 17px; border-radius: 50%; background: conic-gradient(from 0deg, rgba(227,22,27,.8), transparent 32%); animation: scan 4s linear infinite; }
.radar span::after { content: ""; position: absolute; width: 10px; height: 10px; top: 25px; right: 16px; border-radius: 50%; background: var(--red); box-shadow: 0 0 16px var(--red); }
@keyframes scan { to { transform: rotate(360deg); } }
.control-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding-top: 18px; }
.control-stats div { padding: 12px; border-radius: 13px; background: rgba(255,255,255,.06); }
.control-stats span, .control-stats strong { display: block; }
.control-stats span { color: rgba(255,255,255,.54); font-size: 12px; }
.control-stats strong { margin-top: 2px; font-size: 14px; }

.trust-bar { position: relative; z-index: 3; background: var(--white); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-grid div { display: flex; align-items: baseline; gap: 12px; padding: 28px 30px; border-right: 1px solid var(--line); }
.trust-grid div:last-child { border-right: 0; }
.trust-grid strong { color: var(--red); font-size: 28px; }
.trust-grid span { color: var(--muted); font-size: 14px; font-weight: 600; }

.section { padding: 110px 0; }
.section-light { position: relative; background: var(--white) url("assets/background-light.jpg") center / cover no-repeat; }
.section-light::before { content: ""; position: absolute; inset: 0; background: rgba(255,255,255,.82); }
.section-light > .container { position: relative; }
.split { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: start; }
.section-heading h2, .benefits-intro h2, .contact-copy h2, .btg-card h2 { margin: 0; color: var(--ink); font-size: clamp(38px, 4.5vw, 62px); line-height: 1.06; letter-spacing: -.035em; }
.section-copy p { margin: 0 0 22px; font-size: 21px; }
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.pill-row span { padding: 8px 14px; border: 1px solid #d4d6dc; border-radius: 999px; color: var(--ink); background: rgba(255,255,255,.72); font-size: 14px; font-weight: 800; }

.features-section { background: #f2f3f5; }
.section-heading.centered { max-width: 780px; margin: 0 auto 58px; text-align: center; }
.section-heading.centered > p:last-child { color: var(--muted); font-size: 19px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card { min-height: 260px; padding: 28px; border: 1px solid #e1e2e7; border-radius: var(--radius); background: var(--white); box-shadow: 0 4px 20px rgba(17,18,22,.03); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.feature-card:hover { transform: translateY(-6px); border-color: rgba(227,22,27,.35); box-shadow: var(--shadow); }
.icon-box { display: inline-grid; width: 44px; height: 44px; place-items: center; border-radius: 12px; color: white; background: var(--red); font-size: 13px; font-weight: 900; }
.feature-card h3 { margin: 26px 0 10px; color: var(--ink); font-size: 22px; line-height: 1.2; }
.feature-card p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.55; }

.architecture-section { position: relative; overflow: hidden; color: white; background: var(--ink); }
.architecture-section::before { content: ""; position: absolute; width: 600px; height: 600px; right: -260px; top: -240px; border: 1px solid rgba(227,22,27,.35); border-radius: 50%; box-shadow: 0 0 0 90px rgba(227,22,27,.03), 0 0 0 180px rgba(227,22,27,.02); }
.section-heading.inverse h2 { color: white; }
.section-heading.inverse > p:last-child { color: rgba(255,255,255,.58); }
.architecture-flow { position: relative; display: grid; grid-template-columns: 1fr 80px 1fr 80px 1fr; align-items: center; }
.architecture-flow article { min-height: 300px; padding: 34px; border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); background: rgba(255,255,255,.045); }
.architecture-flow article > span { display: inline-grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; color: white; background: var(--red); font-size: 14px; font-weight: 900; }
.architecture-flow h3 { margin: 28px 0 12px; font-size: 26px; }
.architecture-flow p { margin: 0; color: rgba(255,255,255,.66); font-size: 16px; }
.flow-line { height: 1px; background: linear-gradient(90deg, rgba(227,22,27,.2), var(--red), rgba(227,22,27,.2)); }
.application-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 45px; }
.application-row span { padding: 10px 17px; border: 1px solid rgba(255,255,255,.15); border-radius: 999px; color: rgba(255,255,255,.78); font-size: 14px; font-weight: 700; }

.benefits-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 100px; align-items: start; }
.benefits-intro > p:not(.eyebrow) { color: var(--muted); font-size: 18px; }
.text-link { display: inline-flex; gap: 9px; align-items: center; margin-top: 16px; color: var(--red); font-weight: 900; text-decoration: none; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(5px); }
.benefit-list { border-top: 1px solid var(--line); }
.benefit-list div { display: grid; grid-template-columns: 54px 1fr; align-items: center; gap: 16px; min-height: 86px; border-bottom: 1px solid var(--line); }
.benefit-list strong { color: var(--red); font-size: 14px; }
.benefit-list span { color: var(--ink); font-size: 20px; font-weight: 750; }

.btg-section { padding-top: 0; background: var(--white); }
.btg-card { display: grid; grid-template-columns: .78fr 1.22fr; gap: 72px; align-items: center; padding: 62px; border-radius: 30px; color: var(--text); background: #f0f1f3; }
.btg-logo-wrap { padding: 34px; border-radius: 22px; background: var(--white); box-shadow: 0 16px 50px rgba(17,18,22,.08); }
.btg-card h2 { font-size: clamp(34px, 4vw, 51px); }
.btg-card p:last-child { margin-bottom: 0; color: var(--muted); }

.contact-section { position: relative; overflow: hidden; padding: 105px 0; color: white; background: linear-gradient(120deg, #c70d12, var(--red)); }
.contact-section::after { content: ""; position: absolute; width: 620px; height: 620px; right: -180px; bottom: -390px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; box-shadow: 0 0 0 86px rgba(255,255,255,.035), 0 0 0 172px rgba(255,255,255,.025); }
.contact-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 90px; align-items: center; }
.contact-copy h2 { color: white; }
.contact-copy > p:not(.eyebrow) { max-width: 670px; color: rgba(255,255,255,.82); font-size: 20px; }
.contact-card { padding: 36px; border: 1px solid rgba(255,255,255,.22); border-radius: 24px; background: rgba(17,18,22,.18); box-shadow: 0 24px 60px rgba(70,0,0,.18); backdrop-filter: blur(12px); font-style: normal; }
.contact-card h3 { margin: 0; font-size: 25px; }
.contact-card > p { color: rgba(255,255,255,.72); }
.contact-card dl { margin: 28px 0 0; }
.contact-card dl div { display: grid; grid-template-columns: 90px 1fr; gap: 14px; padding: 14px 0; border-top: 1px solid rgba(255,255,255,.16); }
.contact-card dt { color: rgba(255,255,255,.58); font-size: 14px; }
.contact-card dd { margin: 0; font-weight: 800; }
.contact-card a { text-decoration: none; }
.contact-card a:hover { text-decoration: underline; }

.site-footer { padding: 34px 0; color: rgba(255,255,255,.65); background: #0b0c0f; }
.footer-grid { display: grid; grid-template-columns: 220px 1fr auto; align-items: center; gap: 30px; }
.footer-grid img { width: 220px; max-width: 100%; height: auto; padding: 10px 12px; background: #fff; border-radius: 12px; }
.footer-grid p { margin: 0; text-align: center; font-size: 14px; letter-spacing: .07em; }
.footer-grid a { color: white; font-size: 14px; font-weight: 800; text-decoration: none; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

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

@media (max-width: 980px) {
  .site-nav { position: absolute; top: 86px; left: 20px; right: 20px; display: none; padding: 18px; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: rgba(17,18,22,.98); box-shadow: 0 20px 50px rgba(0,0,0,.28); }
  .site-nav.open { display: grid; gap: 4px; }
  .site-nav a { padding: 11px 9px; font-size: 17px; }
  .site-nav a::after { display: none; }
  .nav-toggle { display: block; }
  .hero, .hero-grid { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 50px; padding-top: 170px; padding-bottom: 90px; }
  .control-card { max-width: 560px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid div { border-right: 0; border-bottom: 1px solid var(--line); }
  .split, .benefits-layout, .btg-card, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .architecture-flow { grid-template-columns: 1fr; gap: 16px; }
  .flow-line { width: 1px; height: 34px; margin-inline: auto; background: linear-gradient(rgba(227,22,27,.2), var(--red), rgba(227,22,27,.2)); }
  .architecture-flow article { min-height: 0; }
  .footer-grid { grid-template-columns: 1fr; justify-items: center; }
}

@media (max-width: 620px) {
  body { font-size: 17px; }
  .container { width: min(100% - 32px, 1180px); }
  .nav-wrap { width: calc(100% - 28px); min-height: 76px; }
  .brand img { width: 170px; }
  .site-nav { top: 76px; left: 14px; right: 14px; }
  .hero-grid { padding-top: 135px; padding-bottom: 72px; }
  .hero h1 { font-size: 48px; }
  .hero-lead { font-size: 18px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .control-card { padding: 18px; }
  .control-core { min-height: 240px; }
  .control-stats { grid-template-columns: 1fr; }
  .section { padding: 78px 0; }
  .section-heading h2, .benefits-intro h2, .contact-copy h2 { font-size: 40px; }
  .section-copy p { font-size: 18px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .btg-card { padding: 28px; }
  .contact-card { padding: 26px; }
  .contact-card dl div { grid-template-columns: 1fr; gap: 2px; }
}