:root{
  --bg:#07090f;
  --bg2:#0b1020;
  --card:#0c1226;
  --text:#e9edf7;
  --muted:#a7b0c7;
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.14);
  --accent:#7dd3fc;
  --radius:18px;
  --radius2:26px;
  --shadow:0 18px 50px rgba(0,0,0,.55);
  --max:1160px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
    padding-top:72px;
  margin:0;
  font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Noto Sans",Arial;
  color:var(--text);
  background:
    /* subtle grid */
    repeating-linear-gradient(
      90deg,
      rgba(255,255,255,.035) 0px,
      rgba(255,255,255,.035) 2px,
      transparent 1px,
      transparent 132px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(255,255,255,.035) 0px,
      rgba(255,255,255,.035) 2px,
      transparent 1px,
      transparent 132px
    ),
    /* soft vertical depth */
    linear-gradient(
      180deg,
      #05070d 0%,
      #0a0f1f 45%,
      #070a14 100%
    );
}

section{
  scroll-margin-top:84px;
}

a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* Header */
.header.is-scrolled{
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header img {
    height: auto;
}
.header{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  z-index:1000;

  backdrop-filter:saturate(1.2) blur(10px);
  background:rgba(7,9,15,.7);
  border-bottom:1px solid var(--line);
}
.header_lang {
    display: flex;
    align-items: center;
    gap: 15px;
}
.lang_btn:first-child {
    display: flex;
    align-items: center;
}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px;}
.brand{display:flex;align-items:center;gap:10px}
.brand__mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg, rgba(125,211,252,.35), rgba(167,139,250,.25));
  border:1px solid var(--line2);
}
.brand__text{font-weight:700;letter-spacing:.2px}

.nav{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.nav__link{
  font-size:13px;
  color:var(--muted);
  padding:8px 10px;
  border-radius:12px;
  border:1px solid transparent;
}
.nav__link:hover{
  color:var(--text);
  border-color:var(--line);
  background:rgba(255,255,255,.04);
}

.header__actions{display:flex;align-items:center;gap:10px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:10px;
  padding:10px 14px;
  border-radius:14px;
  font-weight:600;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.btn--primary{
  background:linear-gradient(135deg, rgba(125,211,252,.24), rgba(167,139,250,.18));
  border-color:rgba(125,211,252,.25);
}
.btn--ghost:hover{background:rgba(255,255,255,.06)}
.btn--primary:hover{filter:brightness(1.07)}

/* Sections */
.section{padding:72px 0;border-top:1px solid rgba(255,255,255,.06)}
.section__header{margin-bottom:22px}
.section__title{margin:0 0 10px;font-size:28px;line-height:1.15}
.section__lead{margin:0 0 10px;color:var(--muted);max-width:78ch}
.section__subtitle{margin:18px 0 12px;font-size:16px;color:var(--muted);font-weight:600}

/* Hero */
.hero{padding:64px 0 40px;border-top:none}
.hero__inner{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:24px;
  align-items:stretch;
}
.hero__title{margin:0 0 18px;font-size:34px;line-height:1.1;letter-spacing:-.2px}
.hero__cta{display:flex;flex-wrap:wrap;gap:10px}
.hero__visual{display:flex;align-items:stretch}
.visual-card{
  width:100%;
  border-radius:var(--radius2);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.visual-card__line{
  height:10px;border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.06);
}

/* Layout helpers */
.grid{display:grid;gap:14px}
.grid--4{grid-template-columns:repeat(4, minmax(0, 1fr))}
.grid--3{grid-template-columns:repeat(3, minmax(0, 1fr))}

.split{display:grid;gap:16px;grid-template-columns: 1.25fr .75fr;align-items:start}
.split__aside{position:relative}
.aside-card{
  border-radius:var(--radius2);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.aside-card__row{
  height:16px;border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.06);
}

.stack{display:flex;flex-direction:column;gap:14px}

/* Cards */
.card{
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  padding:16px;
}
.card--wide{padding:18px}
.card__title{margin:0 0 8px;font-size:16px;line-height:1.25}
.card__text{margin:0;color:var(--muted)}

/* Products */
.product{
  border-radius:var(--radius2);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  padding:18px;
}
.product__title{margin:0 0 10px;font-size:18px}
.product__text{margin:0 0 12px;color:var(--muted)}
.product__sub{margin:0 0 8px;font-size:14px;color:var(--muted);font-weight:700}
.product__list{margin:0;padding-left:18px;color:var(--muted)}
.product__list li{margin:6px 0}

/* Lists */
.bullets{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.bullets li{margin:6px 0}

/* Logos */
.logos{display:grid;grid-template-columns:repeat(6, minmax(0, 1fr));gap:12px}
.logo-tile{
  height:64px;
  display:flex;align-items:center;justify-content:center;
  border-radius:16px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
  color:var(--muted);
  font-size:13px;
}
.logo-tile img {
    object-fit: contain;
}

/* Forms */
.form{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.form__field{display:flex;flex-direction:column;gap:6px}
.form__label{font-size:12px;color:var(--muted)}
.form__input{
  width:100%;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.18);
  color:var(--text);
  outline:none;
}
.form__input:focus{border-color:rgba(125,211,252,.35)}

/* Footer */
.footer{padding:22px 0;border-top:1px solid rgba(255,255,255,.08)}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:14px}
.footer__text{margin:0;color:var(--muted)}
.footer__image img {
    object-fit: contain;
}
.footer__link{color:var(--muted)}
.footer__link:hover{color:var(--text)}

/* Icons */
.icon{width:18px;height:18px;display:inline-block}
.icon-btn{
  display:none;
  width:42px;height:42px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
}
.icon-btn:hover{background:rgba(255,255,255,.06)}
.badge-icon{
  width:34px;height:34px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--accent);
}
.card__head{display:flex;align-items:flex-start;gap:10px;margin-bottom:8px}

/* Drawer (mobile menu) */
.drawer{
  position:fixed;inset:0;
  background:rgba(0,0,0,.55);
  opacity:0;pointer-events:none;
  transition:opacity .18s ease;
}
.drawer.is-open{opacity:1;pointer-events:auto}
.drawer__panel{
  position:absolute;right:0;top:0;height:100%;
  width: 100%;
  height: 100vh;
  background:linear-gradient(180deg, rgba(11,16,32,.96), rgba(7,9,15,.96));
  border-left:1px solid var(--line);
  padding:14px;
  transform:translateX(10px);
  transition:transform .18s ease;
}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.drawer__title{font-weight:700;color:var(--muted)}
.nav--mobile{display:flex;flex-direction:column;gap:6px}
.nav--mobile .nav__link{padding:12px 12px;border:1px solid var(--line);border-radius:14px}

/* Contacts – focused form */
#contacts .support-grid {
    max-width: 720px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.support-item.reveal {
    align-items: center;
}

.contact-form-wrap{
  display:flex;
}

.contact-form{
  width:100%;
  max-width:720px;
  margin-top: 14px;
  border-radius:var(--radius2);
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  padding:24px;
}

.contact-form__title{
  margin:0 0 14px;
  font-size:18px;
}

.form-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:14px;
}

.btn--wide{
  width:100%;
  margin-top:6px;
}


/* Support section blocks */
.support-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:14px;
}

.support-item{
  display:flex;
  gap:12px;
  align-items:flex-start;

  border-radius:var(--radius);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  padding:16px;
}

.support-icon{
  width:40px;
  height:40px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;

  color:var(--accent);
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  flex:0 0 auto;
}

.support-text{
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.4;
}

/* Tabs */
.tabs{
  border-radius:var(--radius2);
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  overflow:hidden;
}
.tabs__nav{
  display:flex;flex-wrap:wrap;gap:8px;
  padding:12px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.tabs__btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.12);
  color:var(--muted);
  font-weight:600;
  cursor:pointer;
}
.tabs__btn.is-active{color:var(--text);border-color:rgba(125,211,252,.22);background:rgba(255,255,255,.04)}
.tabs__panel{display:none;padding:16px}
.tabs__panel.is-active{display:block}
.tabs__text{margin:0;color:var(--muted)}

/* Accordion */
.accordion{display:grid;gap:10px}
.acc{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  overflow:hidden;
}
.acc__summary{
  list-style:none;
  cursor:pointer;
  padding:14px 14px;
  display:flex;align-items:center;justify-content:space-between;
}
.acc__summary::-webkit-details-marker{display:none}
.acc__title{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--text)}
.acc__body{padding:0 14px 14px}
.acc__body p{margin:0;color:var(--muted)}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(10px);transition:opacity .35s ease, transform .35s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* COMMS TABS */
.comms-tabs{
  display:grid;
  grid-template-columns:280px 1fr;
  gap:18px;
}

.comms-tabs__nav{
  display:flex;
  flex-direction:column;
  gap:6px;
}

.comms-tab{
  text-align:left;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-weight:600;
  cursor:pointer;
}

.comms-tab:hover{
  background:rgba(255,255,255,.06);
}

.comms-tab.is-active{
  color:var(--text);
  border-color:rgba(125,211,252,.35);
  background:linear-gradient(135deg, rgba(125,211,252,.18), rgba(167,139,250,.12));
}

.comms-tabs__content{
  border-radius:var(--radius2);
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  padding:18px;
}

.comms-panel{
  display:none;
  color:var(--muted);
}

.comms-panel.is-active{
  display:block;
}

/* FPV Platforms enhanced */
.platforms{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:18px;
}

.platform-card{
  border-radius:var(--radius2);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  padding:20px;
}

.platform-card__head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
}

.platform-icon{
  width:42px;
  height:42px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
}

.platform-card__title{
  margin:0;
  font-size:18px;
}

.platform-card__text{
  margin:0 0 12px;
  color:var(--muted);
}

.platform-features{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:8px;
}

.platform-features li{
  display:flex;
  align-items:flex-start;
  gap:8px;
  font-size:14px;
  color:var(--muted);
}

.feat-icon{
  width:20px;
  text-align:center;
  opacity:.85;
}

#qr .container {
    text-align: center;
}

#qr img {
    max-width: 400px;
    width: 100%;
}

/* Responsive */

@media (max-width: 980px){
  .grid--4{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .grid--3{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .logos{grid-template-columns:repeat(3, minmax(0, 1fr))}
  .hero__inner,.split{grid-template-columns:1fr}
  .support-grid{grid-template-columns:repeat(2, minmax(0,1fr));}
}
@media (max-width: 860px){
  .platforms{
    grid-template-columns:1fr;
  }
}

@media (max-width: 760px){
    .section {
        padding: 40px 0;
    }
  .comms-tabs{
    grid-template-columns:1fr;
  }

  .comms-tabs__nav{
    flex-direction:row;
    overflow-x:auto;
    gap:8px;
    padding-bottom:6px;
  }

  .comms-tab{
    white-space:nowrap;
    flex-shrink:0;
  }
}
@media (max-width: 560px){
  .grid--4,.grid--3{grid-template-columns:1fr}
  .logos{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .nav--desktop{display:none}
  .icon-btn{display:inline-flex;align-items:center;justify-content:center}
    .support-grid{grid-template-columns:1fr;}
  .form-grid{
    grid-template-columns:1fr;
  }
  .nav--mobile .nav__link {
      width: fit-content
  }
}