:root {
  --bg: #0d0f0e;
  --bg-alt: #131614;
  --surface: #181c19;
  --surface-2: #1f2420;
  --line: #2a302b;
  --text: #e9ebe8;
  --muted: #9aa29b;
  --accent: #f26a1b;
  --accent-ink: #ffffff;
  --olive: #8c9a5b;
  --radius: 10px;
  --max: 1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Rajdhani", "Inter", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--display); line-height: 1.1; margin: 0 0 .5em; letter-spacing: .01em; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); font-weight: 700; }
h3 { font-size: 1.35rem; font-weight: 600; }
p { margin: 0 0 1em; }
.accent { color: var(--accent); }
.lead { font-size: 1.12rem; color: #cfd4cf; }
.narrow { max-width: 680px; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .8em 1.4em; border-radius: 6px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-ink); font-weight: 600;
  font-family: var(--font); font-size: 1rem; cursor: pointer;
  transition: background .2s, color .2s, transform .2s;
}
.btn:hover { text-decoration: none; background: #ff7d33; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-small { padding: .5em 1em; font-size: .92rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13, 15, 14, .86); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.header-inner .site-nav { margin-left: auto; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-family: var(--display); font-weight: 700; font-size: 1.45rem; letter-spacing: .28em; }
.brand:hover { text-decoration: none; }
.brand img { height: 30px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a:not(.btn) { color: var(--muted); font-weight: 500; font-size: .95rem; }
.site-nav a:not(.btn):hover { color: var(--text); text-decoration: none; }
.lang-switch { display: flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.lang-switch button { background: transparent; border: 0; color: var(--muted); font: 600 .82rem var(--font); letter-spacing: .08em; padding: .45em .7em; cursor: pointer; }
.lang-switch button + button { border-left: 1px solid var(--line); }
.lang-switch button:hover { color: var(--text); }
.lang-switch button.is-active { background: var(--surface-2); color: var(--accent); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 40px; border-bottom: 1px solid var(--line); }
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px; opacity: .35;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 0%, transparent 70%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--muted); font-size: .9rem; text-transform: uppercase; letter-spacing: .12em; }
.flag { width: 22px; height: 14px; border-radius: 2px; background: linear-gradient(#fff 50%, #dc143c 50%); box-shadow: 0 0 0 1px var(--line); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-visual { display: flex; justify-content: center; }
.hero-visual img { width: min(360px, 100%); filter: drop-shadow(0 20px 60px rgba(242, 106, 27, .15)); }
.stat-strip {
  position: relative; margin: 56px 0 0; display: grid; grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
}
.stat-strip div { padding: 18px 20px; border-left: 1px solid var(--line); }
.stat-strip div:first-child { border-left: 0; }
.stat-strip dt { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; }
.stat-strip dd { margin: 4px 0 0; font-family: var(--display); font-size: 1.5rem; font-weight: 700; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-label { color: var(--accent); font-size: .82rem; font-weight: 600; text-transform: uppercase; letter-spacing: .16em; margin-bottom: .8em; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 32px; }

/* Company */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.fact-grid { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.fact-grid div { background: var(--surface); padding: 24px; }
.fact-grid dt { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; }
.fact-grid dd { margin: 6px 0 0; font-family: var(--display); font-size: 1.6rem; font-weight: 700; line-height: 1.15; }
.pillars { margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pillar { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.pillar svg { width: 30px; height: 30px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 14px; }
.pillar p { color: var(--muted); font-size: .95rem; margin: 0; }

/* Band */
.band { background: linear-gradient(120deg, #1d2216, #141812); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 56px 0; }
.band-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.band p { color: #c9cfc4; margin: 0; }
.band-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.band-list li { padding: 14px 18px; border: 1px solid #343c2b; border-radius: 8px; background: rgba(140, 154, 91, .08); }
.band-list strong { color: var(--olive); }

/* Steps */
.steps { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: s; }
.steps li { position: relative; padding: 24px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.steps li::after { content: ""; position: absolute; left: 20px; right: 20px; top: 0; height: 2px; background: var(--accent); opacity: .7; }
.step-n { font-family: var(--display); font-size: 2rem; font-weight: 700; color: var(--accent); display: block; margin-bottom: 8px; }
.steps h3 { font-size: 1.15rem; }
.steps p { color: var(--muted); font-size: .93rem; margin: 0; }

/* Products */
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: var(--surface); color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: .45em 1em; font: 500 .92rem var(--font); cursor: pointer; }
.chip:hover { color: var(--text); }
.chip.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }
.products { display: grid; gap: 20px; }
.product { display: grid; grid-template-columns: 260px 1fr; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.product[hidden] { display: none; }
.product-visual { position: relative; display: flex; align-items: center; justify-content: center; padding: 24px; background: radial-gradient(circle at 50% 45%, #232922, #151815 70%); border-right: 1px solid var(--line); }
.size-tag { position: absolute; top: 14px; left: 16px; font-family: var(--display); font-weight: 700; font-size: 1.6rem; color: var(--olive); }
.drone-svg { width: 100%; max-width: 210px; }
.drone-svg .arms line { stroke: #4a524b; stroke-width: 7; stroke-linecap: round; }
.drone-svg .prop { fill: rgba(242, 106, 27, .06); stroke: rgba(242, 106, 27, .55); stroke-width: 1.2; stroke-dasharray: 4 4; }
.drone-svg .motor { fill: #707a71; }
.drone-svg .body { fill: #2c322d; stroke: #5a635b; }
.drone-svg .cam { fill: var(--accent); }
.drone-svg .antenna { stroke: #9aa29b; stroke-width: 2; stroke-linecap: round; }
.drone-svg .spool { fill: #3b4a2a; stroke: var(--olive); stroke-width: 2; }
.drone-svg .fiber { fill: none; stroke: var(--olive); stroke-width: 1.2; stroke-dasharray: 2 3; }
.product-body { padding: 26px 28px; }
.product-head { display: flex; align-items: center; gap: 12px; }
.product-head h3 { font-size: 2rem; margin: 0; }
.badge { font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; border: 1px solid var(--line); color: var(--muted); border-radius: 4px; padding: 3px 8px; }
.badge-fiber { border-color: var(--olive); color: var(--olive); }
.product-title { color: var(--accent); font-weight: 600; margin: .2em 0 .6em; }
.product-body > p { color: #c4cac4; }
.kv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; margin: 18px 0; }
.kv div { background: var(--surface-2); padding: 10px 14px; }
.kv dt { color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; }
.kv dd { margin: 2px 0 0; font-family: var(--display); font-weight: 700; font-size: 1.3rem; }
details { border-top: 1px solid var(--line); padding-top: 12px; }
summary { cursor: pointer; color: var(--text); font-weight: 600; list-style: none; display: flex; align-items: center; gap: 8px; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "+"; display: inline-grid; place-items: center; width: 22px; height: 22px; border: 1px solid var(--line); border-radius: 4px; color: var(--accent); }
details[open] summary::before { content: "−"; }
.details-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; margin-top: 18px; }
.details-grid h4 { font-size: 1.05rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-top: 1.2em; }
.details-grid h4:first-child { margin-top: 0; }
.adv, .ticks { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; font-size: .94rem; color: #c4cac4; }
.adv li, .ticks li { position: relative; padding-left: 18px; }
.adv li::before, .ticks li::before { content: ""; position: absolute; left: 0; top: .6em; width: 7px; height: 7px; background: var(--accent); transform: rotate(45deg); }
.ticks li::before { background: var(--olive); }
.adv strong { color: var(--text); }
.spec { width: 100%; border-collapse: collapse; font-size: .92rem; }
.spec th, .spec td { text-align: left; padding: 7px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec th { color: var(--muted); font-weight: 500; width: 42%; }
.opt-group h5 { margin: 14px 0 6px; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.opt-group ul { list-style: none; margin: 0; padding: 0; font-size: .9rem; }
.opt-group li { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; border-bottom: 1px dashed var(--line); }
.product-foot { display: flex; justify-content: flex-end; align-items: center; gap: 16px; margin-top: 20px; flex-wrap: wrap; }

.compare-title { margin-top: 64px; font-size: 1.6rem; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.compare { width: 100%; border-collapse: collapse; min-width: 720px; font-size: .94rem; }
.compare th, .compare td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.compare thead th { background: var(--surface-2); font-family: var(--display); font-size: 1.15rem; }
.compare tbody th { color: var(--muted); font-weight: 500; white-space: nowrap; }
.compare tbody tr:last-child > * { border-bottom: 0; }
.compare tbody tr:hover { background: var(--surface); }
.fineprint { color: var(--muted); font-size: .85rem; margin-top: 16px; }

/* Systems */
.systems { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.system { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 28px; display: flex; flex-direction: column; }
.system-icon { width: 72px; height: 72px; border-radius: 12px; display: grid; place-items: center; background: var(--surface-2); border: 1px solid var(--line); margin-bottom: 20px; }
.system-icon svg { width: 46px; height: 46px; fill: none; stroke: var(--accent); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.system p { color: #c4cac4; }
.system ul { margin: auto 0 0; padding: 16px 0 0; list-style: none; border-top: 1px solid var(--line); display: grid; gap: 8px; color: var(--muted); font-size: .93rem; }
.system li::before { content: "— "; color: var(--olive); }

/* Contact */
.contact > div { max-width: 760px; }
.contact .lead + .btn { margin-top: 4px; }
.contact-list { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 14px; }
.contact-list li { display: flex; gap: 16px; font-size: 1.05rem; }
.contact-list li > span:first-child { width: 90px; flex: none; color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; padding-top: 3px; }
.notice { font-size: .88rem; color: var(--muted); border-left: 2px solid var(--olive); padding-left: 14px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: .9rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-inner p { margin: 0; }
.site-footer .brand img { height: 24px; }

/* Responsive */
@media (max-width: 1024px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .stat-strip { grid-template-columns: repeat(3, 1fr); }
  .stat-strip div:nth-child(4) { border-left: 0; }
  .stat-strip div:nth-child(n+4) { border-top: 1px solid var(--line); }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .lang-switch { margin-left: auto; }
  .header-inner { gap: 12px; }
  .site-nav {
    position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 20px 20px; display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a:not(.btn) { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .site-nav .btn { margin-top: 14px; }
  .hero { padding-top: 48px; }
  .hero-inner, .split, .band-inner, .details-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .hero-visual img { width: 200px; }
  .systems { grid-template-columns: 1fr; }
  .product { grid-template-columns: 1fr; }
  .product-visual { border-right: 0; border-bottom: 1px solid var(--line); padding: 16px; }
  .drone-svg { max-width: 160px; }
  .kv { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 72px 0; }
}
@media (max-width: 560px) {
  .steps, .pillars { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip div { border-left: 0; border-top: 1px solid var(--line); }
  .stat-strip div:nth-child(even) { border-left: 1px solid var(--line); }
  .stat-strip div:nth-child(-n+2) { border-top: 0; }
  .stat-strip div:last-child { grid-column: span 2; }
  .fact-grid dd { font-size: 1.3rem; }
  .fact-grid div { padding: 18px; }
  .product-body { padding: 20px; }
  .container { padding: 0 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}