:root{
  --bg:#000; --panel:#0e0e0e; --text:#fff; --muted:#b8bcc4; --line:#26272b;
  --btn:#e8f1f9; --btn-hover:#cfe2f2; --btn-text:#000;
  --head:"Space Grotesk",Helvetica,Arial,sans-serif;
  --body:Inter,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:1rem;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--head);font-weight:700;line-height:1.15;margin:0;color:var(--text)}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px;margin:0 auto;padding:0 24px}
.btn{display:inline-block;background:var(--btn);color:var(--btn-text);border:0;border-radius:6px;padding:.7rem 1.4rem;font:600 1rem var(--body);text-decoration:none;cursor:pointer;transition:background-color .16s}
.btn:hover,.btn:focus-visible{background:var(--btn-hover)}

/* Header */
header{position:sticky;top:0;z-index:20;background:var(--bg);box-shadow:0 2px 5px rgba(0,0,0,.4),inset 0 -1px 0 var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.brand img{height:52px;width:auto}
nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:26px}
nav a{text-decoration:none;font-weight:500;font-size:.95rem;opacity:.9}
nav a:hover,nav a[aria-current="page"]{opacity:1;text-decoration:underline;text-underline-offset:6px}
nav a.btn{opacity:1;text-decoration:none;padding:.55rem 1.1rem;font-size:.95rem}
.menu-toggle{display:none;background:none;border:0;color:var(--text);padding:8px;cursor:pointer}
.menu-toggle svg{width:28px;height:28px;stroke:currentColor}

/* Home */
.hero{background:linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.6)),url(images/hero-fpv-drone.jpg) center/cover no-repeat;padding:140px 0 130px}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);max-width:860px;margin-bottom:1.5rem}
.hero p{font-size:1.15rem;max-width:760px;margin:0}
.quote{padding:96px 0;text-align:center}
.quote h2{font-size:clamp(1.6rem,3.4vw,2.6rem);font-weight:600;max-width:900px;margin:0 auto}
.banner{height:310px;background:var(--panel) url(images/banner-dji-mini.jpg) center/cover no-repeat}

/* Articles */
.article{padding:80px 0 96px}
.article .lead-img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:6px;margin-bottom:48px}
.article h2.title{font-size:clamp(1.7rem,3.4vw,2.5rem);margin-bottom:28px}
.prose p{margin:0 0 1.15rem}
.prose h3{font-size:1.35rem;margin:2.2rem 0 .8rem}
.prose h4{font-size:1.15rem;margin:2.2rem 0 .7rem;letter-spacing:.02em}
.prose h3:first-child{margin-top:0}
.prose strong{font-weight:700}
.prose em{color:#e6e8ec}
.prose .inline-img{border-radius:6px;margin:2rem 0}
.prose a{text-underline-offset:3px}

/* Contact */
.contact{padding:90px 0 100px;border-top:1px solid var(--line)}
.contact h2{font-size:clamp(1.7rem,3.4vw,2.5rem);text-align:center;margin-bottom:40px}
form{max-width:640px;margin:0 auto}
form label{display:block;font-size:.9rem;margin-bottom:6px;color:#e6e8ec}
form input,form textarea{width:100%;font:1rem var(--body);padding:.75rem .9rem;border:1px solid #cfcfd8;border-radius:6px;background:#fff;color:#000;margin-bottom:16px}
form input:focus,form textarea:focus{outline:2px solid var(--btn);outline-offset:1px}
form textarea{min-height:150px;resize:vertical}
.hidden{position:absolute;left:-9999px}
.thanks{display:none;max-width:640px;margin:0 auto 20px;background:#0f2433;border:1px solid #4d86b0;border-radius:6px;padding:14px 16px}
.thanks.show{display:block}

/* Footer */
footer{border-top:1px solid var(--line);padding:48px 0}
footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer img{height:56px;width:auto}
footer small{color:var(--muted);font-size:.9rem}

@media (max-width:980px){
  .menu-toggle{display:block}
  nav ul{display:none;position:absolute;left:0;right:0;top:76px;background:var(--bg);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line)}
  nav ul.open{display:flex}
  nav li a{display:block;padding:12px 0}
  nav li a.btn{text-align:center;margin-top:8px;padding:.7rem 1rem}
}
@media (max-width:600px){
  .wrap,.narrow{padding:0 16px}
  .brand img{height:42px}
  nav ul{top:76px;padding:8px 16px 20px}
  .hero{padding:90px 0}
  .quote{padding:64px 0}
  .banner{height:200px}
  .article{padding:48px 0 64px}
  .article .lead-img{margin-bottom:32px}
}