*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #c8a45c; --primary-dark: #a8863a; --primary-light: #e0c882;
  --accent: #3b82c4; --accent-light: #5a9fd4;
  --bg: #101010; --bg-card: #1a1a1a; --bg-alt: #141414;
  --text: #ccc; --text-dim: #888; --text-bright: #f0f0f0;
  --border: rgba(255,255,255,0.06);
  --radius: 12px; --radius-sm: 6px;
  --ease: 0.35s ease;
}
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: 'Outfit', sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; overflow-x: hidden; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; transition: color var(--ease); }
img { max-width: 100%; display: block; }
h1,h2,h3,h4 { font-family: 'Outfit', sans-serif; color: var(--text-bright); line-height: 1.25; }

/* PRELOADER */
#preloader { position: fixed; inset: 0; background: #080808; z-index: 10000; display: flex; align-items: center; justify-content: center; transition: opacity 0.5s; }
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner { text-align: center; }
.drone-loader-scene { width: 100px; height: 70px; margin: 0 auto 20px; position: relative; }
.drone-body { position: relative; width: 100%; height: 100%; animation: dHover 2.5s ease-in-out infinite; }
.drone-center { width: 34px; height: 14px; background: #222; border: 1.5px solid var(--primary); border-radius: 7px; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.drone-camera { width: 8px; height: 8px; background: var(--primary); border-radius: 50%; position: absolute; bottom: -5px; left: 50%; transform: translateX(-50%); box-shadow: 0 0 8px var(--primary); }
.drone-arm { position: absolute; width: 20px; height: 2px; background: #555; top: 50%; }
.drone-arm.arm-fl { left: 6px; top: 38%; transform: rotate(-12deg); }
.drone-arm.arm-fr { right: 6px; top: 38%; transform: rotate(12deg); }
.drone-arm.arm-bl { left: 6px; top: 62%; transform: rotate(12deg); }
.drone-arm.arm-br { right: 6px; top: 62%; transform: rotate(-12deg); }
.propeller { width: 22px; height: 2px; background: var(--primary-light); border-radius: 2px; position: absolute; top: -3px; left: 50%; transform: translateX(-50%); animation: pSpin 0.12s linear infinite; }
.drone-shadow { position: absolute; bottom: -16px; left: 50%; transform: translateX(-50%); width: 50px; height: 6px; background: radial-gradient(ellipse, rgba(200,164,92,0.2), transparent); border-radius: 50%; }
@keyframes dHover { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes pSpin { 0% { transform: translateX(-50%) scaleX(1); } 50% { transform: translateX(-50%) scaleX(0.1); } 100% { transform: translateX(-50%) scaleX(1); } }
.preloader-text { font-size: 0.75rem; letter-spacing: 5px; color: #555; text-transform: uppercase; display: block; margin-bottom: 12px; }
.preloader-bar { width: 140px; height: 2px; background: #222; border-radius: 2px; margin: 0 auto; overflow: hidden; }
.preloader-bar-fill { width: 0%; height: 100%; background: var(--primary); animation: barGo 1s ease forwards; }
@keyframes barGo { to { width: 100%; } }

/* PARTICLES */
#particles-container { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.particle { position: absolute; width: 2px; height: 2px; background: var(--primary); border-radius: 50%; opacity: 0.15; animation: pFloat 10s infinite; }
@keyframes pFloat { 0%,100% { transform: translateY(0); opacity: 0.15; } 50% { transform: translateY(-80px); opacity: 0.05; } }

/* BG DRONES */
.bg-drone { position: fixed; pointer-events: none; z-index: 0; opacity: 0.025; }
.bg-drone img { width: 100%; height: 100%; object-fit: contain; }
.bg-drone-1 { width: 350px; top: 25%; right: -50px; animation: drift1 22s ease-in-out infinite; }
.bg-drone-2 { width: 250px; bottom: 15%; left: -30px; animation: drift2 28s ease-in-out infinite; }
@keyframes drift1 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-30px); } }
@keyframes drift2 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(20px); } }

/* LANG SWITCHER */
.lang-switcher { display: flex; gap: 2px; margin-left: 10px; padding: 2px; background: #0a0a0a; border-radius: 20px; border: 1px solid var(--border); }
.lang-btn { display: flex; align-items: center; gap: 3px; padding: 4px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; color: #666; transition: var(--ease); }
.lang-btn.active { background: var(--primary); color: #000; }
.lang-btn:hover:not(.active) { color: var(--primary-light); }
.flag-icon { font-size: 0.9rem; }
.lang-label { font-size: 0.7rem; letter-spacing: 1px; }

/* NAVBAR */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 18px 0; transition: var(--ease); }
.navbar.scrolled { background: rgba(10,10,10,0.92); backdrop-filter: blur(16px); padding: 10px 0; border-bottom: 1px solid var(--border); }
.nav-container { max-width: 1140px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.15rem; color: var(--text-bright); }
.logo-icon { color: var(--primary); font-size: 1.2rem; }
.logo-4k { color: var(--primary); }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 7px 14px; border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 400; color: #777; transition: var(--ease); display: flex; align-items: center; gap: 5px; }
.nav-link:hover { color: var(--text-bright); }
.nav-link.active { color: var(--primary); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger-line { width: 22px; height: 1.5px; background: var(--text); transition: var(--ease); }
.nav-toggle.active .hamburger-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active .hamburger-line:nth-child(2) { opacity: 0; }
.nav-toggle.active .hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* HERO */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.3) saturate(0.8); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16,16,16,0.4) 0%, rgba(16,16,16,0.85) 100%); }
.hero-drone-float { position: absolute; z-index: 1; right: 10%; top: 22%; width: 180px; opacity: 0.15; animation: hdFloat 7s ease-in-out infinite; pointer-events: none; }
.hero-drone-float img { width: 100%; filter: drop-shadow(0 0 20px rgba(200,164,92,0.3)); }
@keyframes hdFloat { 0%,100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-25px) rotate(2deg); } }
.hero-content { position: relative; z-index: 2; text-align: center; padding: 0 20px; max-width: 800px; }
.hero-badge { display: inline-block; padding: 6px 16px; border: 1px solid rgba(200,164,92,0.25); border-radius: 4px; font-size: 0.7rem; color: var(--primary-light); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 28px; animation: fadeUp 0.8s 0.2s both; }
.hero-title { font-size: clamp(2.2rem, 5.5vw, 4rem); font-weight: 700; margin-bottom: 12px; letter-spacing: -1px; animation: fadeUp 0.8s 0.4s both; }
.hero-title .highlight { color: var(--primary); }
.hero-motto { font-family: 'Playfair Display', serif; font-style: italic; font-size: clamp(1rem, 2.5vw, 1.4rem); color: var(--primary-light); margin-bottom: 20px; opacity: 0.7; animation: fadeUp 0.8s 0.6s both; }
.hero-desc { font-size: 0.95rem; color: var(--text-dim); max-width: 520px; margin: 0 auto 36px; animation: fadeUp 0.8s 0.8s both; }
.hero-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; animation: fadeUp 0.8s 1s both; }
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 12px 28px; border-radius: 4px; font-weight: 500; font-size: 0.9rem; border: none; cursor: pointer; transition: var(--ease); font-family: 'Outfit', sans-serif; letter-spacing: 0.5px; }
.btn-primary { background: var(--primary); color: #000; }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,164,92,0.2); }
.btn-outline { background: transparent; color: var(--text); border: 1px solid #333; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.hero-scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 2; animation: softBounce 2.5s infinite; }
.hero-scroll i { font-size: 1.2rem; color: #555; }
@keyframes softBounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* SECTIONS */
.section { padding: 90px 0; position: relative; z-index: 1; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-badge { display: inline-block; font-size: 0.65rem; color: var(--primary); text-transform: uppercase; letter-spacing: 3px; margin-bottom: 12px; }
.section-badge i { margin-right: 4px; }
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; margin-bottom: 12px; letter-spacing: -0.5px; }
.section-title .highlight { color: var(--primary); }
.section-desc { color: var(--text-dim); max-width: 480px; margin: 0 auto; font-size: 0.9rem; }

/* STATS */
.stats-section { padding: 50px 0; background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); position: relative; z-index: 1; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; }
.stat-number { font-size: 2rem; font-weight: 700; color: var(--primary); }
.stat-label { color: var(--text-dim); font-size: 0.8rem; margin-top: 2px; }

/* SERVICES */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 24px; transition: var(--ease); }
.service-card:hover { border-color: rgba(200,164,92,0.15); transform: translateY(-4px); }
.service-icon { width: 48px; height: 48px; border-radius: 10px; background: rgba(200,164,92,0.08); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: var(--primary); margin-bottom: 16px; transition: var(--ease); }
.service-card:hover .service-icon { background: var(--primary); color: #000; }
.service-card h3 { font-size: 1.05rem; margin-bottom: 8px; font-weight: 600; }
.service-card p { color: var(--text-dim); font-size: 0.85rem; line-height: 1.6; }

/* GALLERY */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.gallery-item { position: relative; border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 4/3; cursor: pointer; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease, filter 0.5s ease; filter: saturate(0.85); }
.gallery-item:hover img { transform: scale(1.06); filter: saturate(1); }
.gallery-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.7) 100%); opacity: 0; transition: var(--ease); display: flex; align-items: flex-end; padding: 16px; }
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { color: #fff; font-weight: 500; font-size: 0.85rem; }
.gallery-item.wide { grid-column: span 2; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-image-wrap { position: relative; }
.about-image { border-radius: var(--radius); overflow: hidden; }
.about-image img { width: 100%; height: 380px; object-fit: cover; filter: saturate(0.9); }
.about-image-badge { position: absolute; bottom: -16px; right: -16px; background: var(--primary); padding: 16px 22px; border-radius: var(--radius); text-align: center; }
.about-image-badge .badge-number { font-size: 1.6rem; font-weight: 700; color: #000; }
.about-image-badge .badge-text { font-size: 0.7rem; color: rgba(0,0,0,0.6); }
.about-text h2 { font-size: 1.8rem; margin-bottom: 16px; }
.about-text h2 .highlight { color: var(--primary); }
.about-text p { color: var(--text-dim); margin-bottom: 12px; font-size: 0.9rem; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }
.about-feature { display: flex; align-items: center; gap: 8px; padding: 10px; background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border); }
.about-feature i { color: var(--primary); font-size: 0.9rem; }
.about-feature span { font-size: 0.8rem; font-weight: 500; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info-cards { display: flex; flex-direction: column; gap: 14px; }
.contact-card { display: flex; align-items: center; gap: 16px; padding: 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); transition: var(--ease); }
.contact-card:hover { border-color: rgba(200,164,92,0.15); transform: translateX(4px); }
.contact-card-icon { width: 46px; height: 46px; border-radius: 10px; background: rgba(200,164,92,0.08); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; color: var(--primary); flex-shrink: 0; }
.contact-card h4 { font-size: 0.9rem; margin-bottom: 2px; }
.contact-card p, .contact-card a { color: var(--text-dim); font-size: 0.85rem; }
.contact-card a:hover { color: var(--primary); }
.contact-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 400; font-size: 0.8rem; color: var(--text-dim); }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 11px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-family: 'Outfit', sans-serif; font-size: 0.88rem; transition: var(--ease); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--primary-dark); }
.form-group textarea { min-height: 110px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-success { padding: 14px; background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.2); border-radius: var(--radius-sm); color: #4ade80; margin-bottom: 16px; display: none; font-size: 0.9rem; }

/* FOOTER */
.footer { background: #0a0a0a; padding: 60px 0 0; position: relative; z-index: 1; border-top: 1px solid var(--border); }
.footer-bg-effect { display: none; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 32px; margin-bottom: 40px; }
.footer-logo { display: flex; align-items: center; gap: 8px; font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; color: var(--text-bright); }
.footer-logo .logo-4k { color: var(--primary); }
.footer-logo i { color: var(--primary); }
.footer-tagline { font-family: 'Playfair Display', serif; font-style: italic; color: var(--primary-light); margin-bottom: 10px; font-size: 0.85rem; opacity: 0.6; }
.footer-desc { color: #555; font-size: 0.8rem; }
.footer-title { font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; color: var(--text-bright); }
.footer-title::after { display: none; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: #555; font-size: 0.8rem; display: flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--primary); }
.footer-links a i { font-size: 0.6rem; color: #444; }
.footer-contact-info { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.footer-contact-item { display: flex; align-items: center; gap: 8px; color: #555; font-size: 0.8rem; }
.footer-contact-item:hover { color: var(--primary); }
.footer-contact-item i { color: var(--primary-dark); width: 14px; }
.footer-social { display: flex; gap: 8px; }
.social-link { width: 36px; height: 36px; border-radius: 8px; background: #151515; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: #555; font-size: 0.95rem; transition: var(--ease); }
.social-link:hover { background: var(--primary); color: #000; border-color: var(--primary); transform: translateY(-2px); }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { color: #444; font-size: 0.75rem; }
.footer-credit { color: var(--primary-dark) !important; }

/* BACK TO TOP */
.back-to-top { position: fixed; bottom: 24px; right: 24px; width: 40px; height: 40px; border-radius: 8px; background: var(--primary); color: #000; border: none; cursor: pointer; font-size: 0.9rem; z-index: 999; opacity: 0; visibility: hidden; transform: translateY(16px); transition: var(--ease); }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-2px); background: var(--primary-light); }

/* CTA */
.cta-section { padding: 80px 0; position: relative; z-index: 1; text-align: center; background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-section h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 12px; }
.cta-section h2 .highlight { color: var(--primary); }
.cta-section p { color: var(--text-dim); max-width: 420px; margin: 0 auto 28px; font-size: 0.9rem; }

/* PAGE HERO */
.page-hero { padding: 140px 0 60px; text-align: center; position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(1.8rem, 4.5vw, 2.8rem); font-weight: 700; margin-bottom: 8px; letter-spacing: -0.5px; }
.page-hero p { color: var(--text-dim); font-size: 0.95rem; }
.breadcrumb { display: flex; gap: 6px; justify-content: center; margin-bottom: 16px; font-size: 0.75rem; color: #555; }
.breadcrumb a { color: var(--primary); }

/* LIGHTBOX */
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,0.96); z-index: 10000; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: var(--ease); cursor: zoom-out; }
.lightbox.active { opacity: 1; visibility: visible; }
.lightbox img { max-width: 90vw; max-height: 88vh; border-radius: var(--radius-sm); }
.lightbox-close { position: absolute; top: 20px; right: 20px; background: none; border: none; color: #666; font-size: 1.8rem; cursor: pointer; transition: var(--ease); }
.lightbox-close:hover { color: #fff; }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item.wide { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-drone-float { display: none; }
}
@media (max-width: 768px) {
  .nav-menu { position: fixed; top: 0; right: -100%; width: 260px; height: 100vh; background: #111; flex-direction: column; padding: 70px 20px 20px; transition: var(--ease); border-left: 1px solid var(--border); }
  .nav-menu.active { right: 0; }
  .nav-toggle { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; text-align: center; }
  .about-features { grid-template-columns: 1fr; }
  .about-image-badge { right: 8px; bottom: -12px; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; gap: 6px; text-align: center; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .gallery-grid { grid-template-columns: 1fr; }
  .bg-drone { display: none; }
  .lang-switcher { margin-left: 0; margin-top: 12px; }
}