/* ==========================================================================
   ВОЛТЕКС ГРУП — лендинг (КВЕД 46.52 — електроніка/телеком + дрони)
   Стиль: bold light / "radiant orange" — паперове тло, оранж акцент, Sora,
   жорсткі офсет-тіні. Чистий HTML/CSS.
   ========================================================================== */

:root{
  --paper:#f4f3ee;
  --white:#ffffff;
  --ink:#141418;
  --ink-2:#1c1c22;
  --body:#4a4a54;
  --muted:#83838f;
  --line:#e3e1d8;
  --line-2:#d3d0c4;
  --orange:#ff4d17;
  --orange-d:#e63d0a;
  --orange-soft:#ffe9df;
  --radius:14px;
  --radius-lg:24px;
  --hard:6px 6px 0 var(--ink);
  --hard-o:6px 6px 0 var(--orange);
  --maxw:1200px;
  --ff:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  --fh:'Sora','Inter',sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--ff);color:var(--body);background:var(--paper);
  line-height:1.6;-webkit-font-smoothing:antialiased;font-size:17px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--fh);color:var(--ink);line-height:1.05;margin:0;font-weight:800;letter-spacing:-.02em}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:100px 0;position:relative}

.kicker{display:inline-flex;align-items:center;gap:9px;font-family:var(--fh);font-size:13px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--orange-d);margin-bottom:20px}
.kicker::before{content:"";width:28px;height:8px;background:var(--orange);border-radius:2px;transform:skewX(-12deg)}
.section-head{max-width:760px;margin-bottom:54px}
.section-head.center{margin-inline:auto;text-align:center}
.section-head.center .kicker{justify-content:center}
.section-head h2{font-size:clamp(32px,5vw,56px)}
.section-head p{margin:20px 0 0;color:var(--muted);font-size:18px}
.mark{color:var(--orange)}
.ul{background:linear-gradient(transparent 62%,var(--orange-soft) 0);padding:0 .05em}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:999px;font-weight:700;font-size:16px;font-family:var(--ff);
  cursor:pointer;border:2px solid var(--ink);transition:.16s ease;white-space:nowrap}
.btn--primary{background:var(--orange);color:#fff;border-color:var(--orange);box-shadow:var(--hard)}
.btn--primary:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{transform:translate(-2px,-2px);box-shadow:var(--hard-o)}
.btn--soft{background:var(--white);color:var(--ink)}
.btn--soft:hover{transform:translate(-2px,-2px);box-shadow:var(--hard)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(244,243,238,.86);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:2px solid var(--ink)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{width:42px;height:42px;border-radius:11px;flex:none;background:var(--orange);border:2px solid var(--ink);
  display:grid;place-items:center;color:var(--ink)}
.brand__mark svg{width:23px;height:23px}
.brand__name{font-family:var(--fh);font-weight:800;color:var(--ink);font-size:20px;line-height:1;letter-spacing:-.01em}
.brand__name span{display:block;font-family:var(--ff);font-size:10px;font-weight:600;letter-spacing:.18em;color:var(--muted);margin-top:3px}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-weight:600;font-size:15px;color:var(--ink);transition:.15s}
.nav a:hover{color:var(--orange-d)}
.header__cta{display:flex;align-items:center;gap:16px}
.header__phone{font-family:var(--fh);font-weight:700;color:var(--ink);white-space:nowrap;font-size:15px}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;flex:none}
.burger span{display:block;width:26px;height:2.5px;background:var(--ink);margin:5px 0;border-radius:2px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:2px solid var(--ink)}
.hero__inner{padding-block:80px 92px}
.hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.hero__tag{display:inline-flex;align-items:center;gap:9px;margin-bottom:24px;padding:7px 14px;
  border-radius:999px;font-family:var(--fh);font-size:12.5px;font-weight:700;letter-spacing:.04em;
  background:var(--white);color:var(--ink);border:2px solid var(--ink)}
.hero__tag b{color:var(--orange-d)}
.hero h1{font-size:clamp(42px,7vw,82px);color:var(--ink);letter-spacing:-.03em;line-height:.98}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero__lead{margin:26px 0 34px;font-size:19px;color:var(--body);max-width:520px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero__visual{position:relative}
.hero__panel{position:relative;background:var(--orange);border:2px solid var(--ink);border-radius:var(--radius-lg);
  padding:18px;box-shadow:var(--hard);overflow:hidden}
.hero__panel::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 25% 20%,rgba(255,255,255,.25),transparent 45%);pointer-events:none}
.hero__panel img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/4;border-radius:14px;position:relative}
.hero__chip{position:absolute;right:-16px;bottom:26px;background:var(--white);border:2px solid var(--ink);
  border-radius:14px;padding:12px 16px;box-shadow:var(--hard);display:flex;align-items:center;gap:11px}
.hero__chip .d{width:38px;height:38px;border-radius:10px;background:var(--ink);color:var(--orange);display:grid;place-items:center}
.hero__chip b{font-family:var(--fh);font-size:15px;color:var(--ink);display:block;line-height:1.1}
.hero__chip span{font-size:12px;color:var(--muted)}

/* ---------- Marquee ---------- */
.marquee{background:var(--ink);color:#fff;border-bottom:2px solid var(--ink);overflow:hidden}
.marquee__row{display:flex;align-items:center;gap:18px;padding-block:16px;flex-wrap:wrap;justify-content:center;
  font-family:var(--fh);font-weight:700;font-size:15px;letter-spacing:.02em}
.marquee__row span{display:inline-flex;align-items:center;gap:18px;color:#fff}
.marquee__row span::after{content:"◆";color:var(--orange);font-size:11px}

/* ---------- Stats ---------- */
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:var(--white);border:2px solid var(--ink);border-radius:var(--radius-lg);padding:26px 24px}
.stat b{font-family:var(--fh);font-size:clamp(34px,4.4vw,48px);color:var(--ink);display:block;line-height:1}
.stat b em{font-style:normal;color:var(--orange)}
.stat span{font-size:14px;color:var(--muted);margin-top:8px;display:block;font-weight:500}

/* ---------- Catalog ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat{position:relative;background:var(--white);border:2px solid var(--ink);border-radius:var(--radius-lg);
  overflow:hidden;transition:.18s ease;display:flex;flex-direction:column}
.cat:hover{transform:translate(-3px,-3px);box-shadow:var(--hard-o)}
.cat__media{position:relative;aspect-ratio:16/11;overflow:hidden;border-bottom:2px solid var(--ink)}
.cat__media img{width:100%;height:100%;object-fit:cover;transition:.5s ease}
.cat:hover .cat__media img{transform:scale(1.05)}
.cat__idx{position:absolute;top:12px;right:12px;font-family:var(--fh);font-weight:800;font-size:15px;color:var(--ink);
  background:var(--orange);border:2px solid var(--ink);border-radius:9px;width:38px;height:38px;display:grid;place-items:center}
.cat__body{padding:22px 24px 26px}
.cat__body h3{font-size:21px;margin-bottom:9px}
.cat__body p{margin:0;font-size:14.5px;color:var(--muted)}
.cat__tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px}
.cat__tags span{font-size:12px;font-weight:700;color:var(--ink);background:var(--orange-soft);
  border:1.5px solid var(--line-2);padding:4px 10px;border-radius:999px}

/* ---------- Drones ---------- */
.drones{background:var(--ink);color:#fff;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);position:relative;overflow:hidden}
.drones::before{content:"";position:absolute;top:-140px;right:-100px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,23,.32),transparent 62%);pointer-events:none}
.drones .kicker{color:#ff8a5f}
.drones__top{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;margin-bottom:48px}
.drones__top h2{color:#fff;font-size:clamp(30px,4.6vw,50px)}
.drones__top h2 em{font-style:normal;color:var(--orange)}
.drones__top p{color:#c7c7cf;font-size:18px;margin:18px 0 28px}
.drones__feat{border:2px solid var(--orange);border-radius:var(--radius-lg);overflow:hidden;position:relative;box-shadow:6px 6px 0 rgba(255,77,23,.4)}
.drones__feat img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.dgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dcard{background:var(--ink-2);border:2px solid #33333c;border-radius:var(--radius-lg);overflow:hidden;transition:.2s}
.dcard:hover{border-color:var(--orange);transform:translateY(-4px)}
.dcard__media{aspect-ratio:16/11;overflow:hidden;border-bottom:2px solid #33333c}
.dcard__media img{width:100%;height:100%;object-fit:cover;transition:.5s}
.dcard:hover .dcard__media img{transform:scale(1.06)}
.dcard__body{padding:20px 22px 24px}
.dcard__body h3{color:#fff;font-size:18px;margin-bottom:7px}
.dcard__body p{margin:0;font-size:14px;color:#a6a6b0}

/* ---------- Benefits ---------- */
.benefits-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.benefit{background:var(--white);border:2px solid var(--ink);border-radius:var(--radius-lg);padding:28px 24px;transition:.18s}
.benefit:hover{transform:translate(-3px,-3px);box-shadow:var(--hard)}
.benefit__ico{width:52px;height:52px;border-radius:12px;background:var(--orange-soft);border:2px solid var(--ink);
  color:var(--orange-d);display:grid;place-items:center;margin-bottom:18px}
.benefit h3{font-size:18px;margin-bottom:8px}
.benefit p{margin:0;font-size:14.5px;color:var(--muted)}

/* ---------- CTA ---------- */
.cta{background:var(--orange);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.cta__inner{padding-block:76px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:clamp(30px,4.4vw,50px);max-width:660px;letter-spacing:-.02em}
.cta p{color:rgba(255,255,255,.92);margin:14px 0 0;max-width:540px;font-size:17px}

/* ---------- Delivery ---------- */
.deliver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.deliver{background:var(--white);border:2px solid var(--ink);border-radius:var(--radius-lg);padding:32px 28px}
.deliver__ico{width:52px;height:52px;border-radius:12px;background:var(--ink);color:var(--orange);display:grid;place-items:center;margin-bottom:18px}
.deliver h3{font-size:19px;margin-bottom:10px}
.deliver p{margin:0;color:var(--muted);font-size:15px}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#a9a9b4;padding:76px 0 30px}
.footer a{color:#a9a9b4;transition:.15s}
.footer a:hover{color:var(--orange)}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1.3fr;gap:48px;padding-bottom:46px;border-bottom:1px solid #2c2c34}
.footer .brand__name{color:#fff}
.footer h4{color:#fff;font-family:var(--fh);font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:20px;font-weight:700}
.footer__about{margin:18px 0 0;font-size:14.5px;color:#8a8a95;max-width:340px}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.contact-list li{display:flex;gap:13px;align-items:flex-start;font-size:15px}
.contact-list svg{flex:none;margin-top:3px;color:var(--orange)}
.contact-list b{color:#fff;display:block;font-weight:600}
.contact-list span{color:#8a8a95;font-size:13px}
.requisites{font-size:14px;line-height:1.7}
.requisites dt{color:#77777f;font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;margin-top:12px}
.requisites dd{color:#d6d6dd;margin:2px 0 0;font-weight:500;word-break:break-word}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:26px;flex-wrap:wrap;font-size:13.5px;color:#77777f}
.footer__bottom a{font-weight:600}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .hero__grid{grid-template-columns:1fr;gap:44px}
  .drones__top{grid-template-columns:1fr;gap:34px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .dgrid{grid-template-columns:1fr}
  .benefits-grid{grid-template-columns:repeat(2,1fr)}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .deliver-grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
  .nav,.header__phone,.header__cta .btn{display:none}
  .burger{display:block}
  .nav.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--paper);border-bottom:2px solid var(--ink);padding:10px 24px 16px}
  .nav.open a{padding:13px 0;border-bottom:1px solid var(--line)}
}
@media (max-width:600px){
  body{font-size:16px}
  .section{padding:66px 0}
  .cat-grid,.benefits-grid,.stats__grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .cta__inner{padding-block:52px}
  .hero__chip{right:0}
}