:root {
  --navy: #0D1B2A;
  --navy-2: #13283f;
  --green: #A6CE39;
  --white: #FFFFFF;
  --paper: #F4F7F1;
  --ink: #13202d;
  --muted: #687481;
  --line: rgba(13,27,42,.12);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "DejaVu Sans", "Noto Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 1000;
  background: var(--green); color: var(--navy); padding: 10px 16px; font-weight: 700;
}
.skip-link:focus { left: 12px; top: 12px; }

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(13,27,42,.90);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand img { width: 230px; height: auto; }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a {
  color: rgba(255,255,255,.82); text-decoration: none; font-size: .92rem; font-weight: 650;
  letter-spacing: .03em; transition: color .2s ease;
}
.nav a:hover { color: var(--green); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 2px; margin: 5px; background: var(--white); }

.hero {
  min-height: 780px; position: relative; overflow: hidden;
  background: var(--navy); color: var(--white); padding: 155px 0 95px;
}
.hero::after {
  content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%;
  right: -180px; top: 80px; border: 1px solid rgba(166,206,57,.24);
  box-shadow: 0 0 0 65px rgba(166,206,57,.025), 0 0 0 130px rgba(166,206,57,.02);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(166,206,57,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(166,206,57,.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 1.02fr .98fr; gap: 72px; align-items: center; }
.eyebrow { margin: 0 0 18px; color: var(--green); font-size: .74rem; font-weight: 800; letter-spacing: .17em; }
.eyebrow.dark { color: #65820f; }
.hero-logo { width: min(520px, 100%); margin: 0 0 36px; }
.hero h1 { margin: 0; max-width: 680px; font-size: clamp(2.45rem, 4.2vw, 4.4rem); line-height: 1.04; letter-spacing: -.045em; }
.hero h1 span { color: var(--green); }
.lead { max-width: 720px; margin: 26px 0 0; color: rgba(255,255,255,.72); font-size: 1.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 21px;
  border: 1px solid transparent; border-radius: 3px; text-decoration: none; font-weight: 800; font-size: .9rem;
  letter-spacing: .02em; transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--green); color: var(--navy); }
.button-secondary { border-color: rgba(255,255,255,.28); color: var(--white); background: rgba(255,255,255,.03); }
.hero-status { display: flex; align-items: center; gap: 10px; margin-top: 28px; color: rgba(255,255,255,.56); font-size: .86rem; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(166,206,57,.12); }

.hero-visual { perspective: 1000px; }
.rack {
  position: relative; background: #101d2a; border: 1px solid rgba(255,255,255,.16); border-radius: 8px;
  padding: 18px; transform: rotateY(-4deg) rotateX(1deg);
  box-shadow: 0 35px 80px rgba(0,0,0,.35), inset 0 0 50px rgba(255,255,255,.02);
}
.rack::before, .rack::after {
  content: ""; position: absolute; left: -9px; width: 8px; height: 62px; background: #182a3b;
  border: 1px solid rgba(255,255,255,.08);
}
.rack::before { top: 55px; } .rack::after { bottom: 55px; }
.rack-topline, .rack-footer { display: flex; justify-content: space-between; gap: 10px; font-size: .61rem; letter-spacing: .15em; color: rgba(255,255,255,.43); }
.rack-footer { justify-content: center; margin-top: 14px; color: var(--green); }
.rack-body { display: grid; grid-template-columns: 150px 1fr; min-height: 330px; margin-top: 14px; border: 1px solid rgba(255,255,255,.08); }
.hmi-panel { padding: 14px; background: #142637; border-right: 1px solid rgba(255,255,255,.08); }
.display { height: 100%; border: 1px solid rgba(166,206,57,.38); background: #07131f; padding: 14px; box-shadow: inset 0 0 28px rgba(0,0,0,.6); }
.display-head { display: flex; justify-content: space-between; color: var(--green); font-size: .62rem; letter-spacing: .1em; margin-bottom: 22px; }
.online { color: #fff; }
.display-line { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid rgba(166,206,57,.08); font-size: .67rem; color: rgba(255,255,255,.46); }
.display-line b { color: var(--green); }
.trace { height: 70px; margin-top: 28px; opacity: .85;
  background:
    linear-gradient(120deg, transparent 0 21%, var(--green) 21.4% 22.1%, transparent 22.5% 38%, var(--green) 38.5% 39.2%, transparent 39.5% 60%, var(--green) 60.3% 61%, transparent 61.3%);
}
.modules { display: grid; grid-template-columns: repeat(6, 1fr); gap: 5px; padding: 9px; background: #0b1722; }
.module { position: relative; background: linear-gradient(#1e3346,#172838); border: 1px solid rgba(255,255,255,.10); padding: 13px 6px; text-align: center; }
.module.active { border-color: rgba(166,206,57,.55); box-shadow: inset 0 0 24px rgba(166,206,57,.05); }
.module span { display: block; color: rgba(255,255,255,.75); font-size: .55rem; font-weight: 800; writing-mode: vertical-rl; margin: 5px auto 40px; letter-spacing: .08em; }
.module i { display: block; width: 7px; height: 7px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; margin: 8px auto; }
.module i:first-of-type { background: var(--green); border-color: var(--green); box-shadow: 0 0 8px rgba(166,206,57,.65); }
.module.ghost { opacity: .38; display: grid; place-items: center; }
.module.ghost span { writing-mode: initial; margin: 0; font-size: 1.3rem; color: var(--green); }

.section { padding: 110px 0; }
.section-light { background: var(--white); }
.section-dark { background: var(--navy); color: var(--white); }
.section-accent { background: var(--paper); }
.section-heading { max-width: 760px; margin-bottom: 52px; }
.section-heading h2 { margin: 0 0 18px; font-size: clamp(2rem, 3.2vw, 3.25rem); line-height: 1.08; letter-spacing: -.035em; }
.section-heading p:last-child { color: var(--muted); font-size: 1.03rem; }
.section-heading.invert p:last-child { color: rgba(255,255,255,.58); }

.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature-card { min-height: 245px; border: 1px solid var(--line); padding: 28px; position: relative; background: #fff; }
.feature-index { position: absolute; right: 22px; top: 18px; color: rgba(13,27,42,.13); font-weight: 900; font-size: 2rem; }
.feature-card h3 { margin: 55px 0 12px; font-size: 1.25rem; }
.feature-card p { margin: 0; color: var(--muted); font-size: .94rem; }

.architecture { display: grid; grid-template-columns: 1.4fr .6fr; gap: 50px; align-items: end; }
.architecture-main { border: 1px solid rgba(255,255,255,.10); padding: 30px; background: rgba(255,255,255,.025); }
.architecture-row { display: grid; grid-template-columns: 1fr 90px 1fr; align-items: center; gap: 14px; }
.arch-node { min-height: 140px; border: 1px solid rgba(255,255,255,.15); padding: 24px; display: flex; flex-direction: column; justify-content: center; }
.arch-node.strong { border-color: rgba(166,206,57,.42); }
.arch-label { color: var(--green); font-size: .67rem; letter-spacing: .12em; margin-bottom: 8px; }
.arch-node strong { font-size: 1.12rem; }
.arch-bus { position: relative; text-align: center; color: var(--green); font-size: .68rem; }
.arch-bus::before { content: ""; position: absolute; height: 1px; background: var(--green); left: 0; right: 0; top: 50%; }
.arch-bus span { position: relative; background: var(--navy); padding: 0 8px; }
.rail { margin-top: 14px; border: 1px solid rgba(255,255,255,.1); padding: 12px 16px; color: rgba(255,255,255,.48); font-size: .67rem; letter-spacing: .12em; }
.rail-green { border-color: rgba(166,206,57,.38); color: var(--green); }
.architecture-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.architecture-facts div { border-top: 2px solid var(--green); padding: 18px 2px 8px; }
.architecture-facts strong { display: block; font-size: 1.55rem; }
.architecture-facts span { color: rgba(255,255,255,.5); font-size: .81rem; }

.module-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.module-card { padding: 26px; border: 1px solid var(--line); min-height: 240px; display: flex; flex-direction: column; }
.module-card.highlight { border-top: 4px solid var(--green); }
.tag { display: inline-flex; align-self: flex-start; background: var(--green); color: var(--navy); padding: 5px 8px; font-size: .62rem; font-weight: 900; letter-spacing: .08em; }
.tag.neutral { background: #e9eee2; color: #566451; }
.module-card h3 { margin: 34px 0 12px; font-size: 1.2rem; }
.module-card p { margin: 0 0 24px; color: var(--muted); font-size: .92rem; }
.module-card small { margin-top: auto; color: #89939c; font-weight: 800; }

.development-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: start; }
.timeline { padding: 12px 0 0; }
.timeline-item { position: relative; display: grid; grid-template-columns: 28px 1fr; gap: 18px; padding-bottom: 35px; }
.timeline-item::before { content: ""; position: absolute; left: 7px; top: 18px; bottom: -2px; width: 1px; background: #cbd3c3; }
.timeline-item:last-child::before { display: none; }
.timeline-item > span { width: 15px; height: 15px; border-radius: 50%; border: 2px solid #b9c2b1; margin-top: 3px; background: var(--paper); z-index: 1; }
.timeline-item.done > span { background: var(--green); border-color: var(--green); }
.timeline-item.active > span { border-color: var(--green); box-shadow: 0 0 0 5px rgba(166,206,57,.18); }
.timeline-item strong { display: block; }
.timeline-item small { color: var(--muted); }

.cta { background: #09131d; color: var(--white); padding: 65px 0; }
.cta-inner { display: grid; grid-template-columns: 95px 1fr auto; align-items: center; gap: 35px; }
.cta img { width: 90px; }
.cta h2 { margin: 0 0 8px; font-size: 2rem; }
.cta p:last-child { color: rgba(255,255,255,.55); margin-bottom: 0; }

.site-footer { background: var(--navy); color: rgba(255,255,255,.5); border-top: 1px solid rgba(255,255,255,.07); padding: 30px 0; }
.footer-inner { display: grid; grid-template-columns: 220px 1fr auto; align-items: center; gap: 28px; font-size: .78rem; }
.footer-inner img { width: 200px; }
.copyright { text-align: right; }

@media (max-width: 980px) {
  .hero-layout, .architecture, .development-layout { grid-template-columns: 1fr; }
  .hero-visual { max-width: 720px; }
  .feature-grid, .module-grid { grid-template-columns: 1fr 1fr; }
  .architecture-facts { max-width: 600px; }
  .hero { padding-top: 135px; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .site-header { background: rgba(13,27,42,.97); }
  .brand img { width: 185px; }
  .nav-toggle { display: block; }
  .nav {
    position: absolute; left: 0; right: 0; top: 76px; display: none; flex-direction: column; align-items: flex-start;
    padding: 22px 20px 28px; background: var(--navy); border-top: 1px solid rgba(255,255,255,.08);
  }
  .nav.open { display: flex; }
  .hero { min-height: auto; padding: 125px 0 75px; }
  .hero-logo { width: 100%; margin-bottom: 28px; }
  .hero h1 { font-size: 2.55rem; }
  .lead { font-size: 1rem; }
  .hero-visual { margin-top: 10px; }
  .rack { transform: none; padding: 12px; }
  .rack-body { grid-template-columns: 110px 1fr; min-height: 265px; }
  .modules { grid-template-columns: repeat(3,1fr); }
  .module:nth-child(n+4) { display: none; }
  .section { padding: 78px 0; }
  .feature-grid, .module-grid { grid-template-columns: 1fr; }
  .architecture-row { grid-template-columns: 1fr; }
  .arch-bus { height: 52px; display: grid; place-items: center; }
  .arch-bus::before { width: 1px; height: 100%; left: 50%; right: auto; top: 0; }
  .arch-bus span { z-index: 1; }
  .architecture-facts { grid-template-columns: 1fr 1fr; }
  .development-layout { gap: 22px; }
  .cta-inner { grid-template-columns: 72px 1fr; }
  .cta .button { grid-column: 1 / -1; }
  .footer-inner { grid-template-columns: 1fr; }
  .copyright { text-align: left; }
}


/* Legal / contact pages */
.legal-main {
  min-height: calc(100vh - 140px);
  padding: 150px 0 90px;
  background:
    linear-gradient(rgba(13,27,42,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13,27,42,.025) 1px, transparent 1px),
    var(--paper);
  background-size: 48px 48px;
}
.legal-layout { max-width: 900px; }
.legal-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--green);
  padding: clamp(28px, 5vw, 58px);
  box-shadow: 0 18px 55px rgba(13,27,42,.06);
}
.legal-card h1 {
  margin: 0 0 34px;
  font-size: clamp(2.25rem, 5vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -.045em;
  color: var(--navy);
}
.legal-card h2 {
  margin: 42px 0 14px;
  font-size: 1.3rem;
  color: var(--navy);
}
.legal-card p, .legal-card li { color: #52606d; }
.legal-card a { color: #56720a; font-weight: 700; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: rgba(255,255,255,.62); text-decoration: none; }
.footer-links a:hover { color: var(--green); }
.footer-legal { grid-template-columns: 220px 1fr auto; }

@media (max-width: 720px) {
  .legal-main { padding-top: 120px; }
  .footer-legal { grid-template-columns: 1fr; }
}