/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #0a0a0a;
    --bg-card: #141414;
    --text: #ffffff;
    --text-dim: #999;
    --accent: #00ff88;
    --accent2: #00cc6a;
    --border: #1e1e1e;
    --radius: 20px;
    --font: 'Inter', -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* === NAV === */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(10,10,10,.9); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1280px; margin: 0 auto; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font-size: 1.4rem; font-weight: 800; letter-spacing: 4px; }
.nav-links { display: flex; gap: 36px; }
.nav-links a { font-size: .875rem; font-weight: 500; color: var(--text-dim); transition: color .3s; letter-spacing: .5px; }
.nav-links a:hover { color: var(--text); }
.menu-btn { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.menu-btn span { display: block; width: 24px; height: 2px; background: var(--text); }

/* === HERO === */
.hero { min-height: 100vh; display: flex; align-items: center; padding: 120px 40px 80px; background: linear-gradient(135deg, #0a0a0a 0%, #1a1a3e 50%, #0d2137 100%); overflow: hidden; }
.hero-inner { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; width: 100%; }
.hero-text { }
.hero-tag { font-size: .75rem; font-weight: 600; letter-spacing: 5px; text-transform: uppercase; color: var(--accent); margin-bottom: 28px; }
.hero h1 { font-size: clamp(3rem, 6vw, 5.5rem); font-weight: 900; line-height: 1; letter-spacing: -3px; margin-bottom: 24px; color: #fff; text-shadow: 0 2px 40px rgba(0,255,136,.1); }
.hero-desc { font-size: 1.1rem; color: #ccc; max-width: 440px; line-height: 1.7; margin-bottom: 40px; }
.hero-image { display: flex; align-items: center; justify-content: center; }
.hero-image img { max-height: 520px; width: auto; filter: drop-shadow(0 20px 80px rgba(0,255,136,.15)) drop-shadow(0 0 40px rgba(255,255,255,.05)); animation: float 4s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.btn-primary { display: inline-block; padding: 16px 44px; background: var(--accent); color: #000; font-weight: 700; font-size: .875rem; letter-spacing: 1px; border-radius: 50px; transition: all .3s; }
.btn-primary:hover { background: var(--accent2); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,255,136,.2); }

/* === SECTIONS === */
.section-header { text-align: center; max-width: 600px; margin: 0 auto 64px; }
.section-header h2 { font-size: 2.5rem; font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; }
.section-header p { color: var(--text-dim); font-size: 1.05rem; }

/* === PRODUCTS === */
.products { padding: 120px 40px; max-width: 1320px; margin: 0 auto; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.product-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all .4s ease; }
.product-card:hover { border-color: #333; transform: translateY(-6px); box-shadow: 0 24px 60px rgba(0,0,0,.5); }

.product-img { aspect-ratio: 1; overflow: hidden; background: linear-gradient(135deg, #1a1a1a 0%, #111 100%); display: flex; align-items: center; justify-content: center; padding: 24px; }
.product-img img { width: 100%; height: 100%; object-fit: contain; transition: transform .6s ease; filter: drop-shadow(0 4px 20px rgba(0,0,0,.3)); }
.product-card:hover .product-img img { transform: scale(1.08); }

.product-info { padding: 24px 28px 28px; }
.product-cat { font-size: .65rem; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--accent); }
.product-info h3 { font-size: 1.15rem; font-weight: 700; margin: 8px 0 10px; letter-spacing: -.3px; }
.product-info p { font-size: .82rem; color: var(--text-dim); line-height: 1.65; margin-bottom: 20px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.product-bottom { display: flex; align-items: center; justify-content: space-between; }
.product-price { font-size: 1.3rem; font-weight: 800; }
.product-btn { font-size: .75rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--accent); padding: 8px 20px; border: 1px solid var(--accent); border-radius: 50px; transition: all .3s; }
.product-btn:hover { background: var(--accent); color: #000; }

/* === ABOUT === */
.about { padding: 120px 40px; border-top: 1px solid var(--border); }
.about-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.about-inner h2 { font-size: 2.5rem; font-weight: 800; letter-spacing: -1px; margin-bottom: 20px; }
.about-inner > p { color: var(--text-dim); font-size: 1.05rem; line-height: 1.8; margin-bottom: 52px; }
.stats { display: flex; justify-content: center; gap: 80px; }
.stat { text-align: center; }
.stat-num { display: block; font-size: 2.8rem; font-weight: 900; color: var(--accent); letter-spacing: -1px; }
.stat-label { font-size: .75rem; color: var(--text-dim); letter-spacing: 1.5px; text-transform: uppercase; margin-top: 4px; }

/* === FEATURES === */
.features { padding: 80px 40px; border-top: 1px solid var(--border); }
.features-grid { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.feature { text-align: center; padding: 20px; }
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature h4 { font-size: .9rem; font-weight: 700; margin-bottom: 6px; }
.feature p { font-size: .8rem; color: var(--text-dim); }

/* === CONTACT === */
.contact { padding: 120px 40px; border-top: 1px solid var(--border); }
.contact-inner { max-width: 800px; margin: 0 auto; }
.contact-inner h2 { font-size: 2.5rem; font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; text-align: center; }
.contact-inner > p { color: var(--text-dim); font-size: 1rem; margin-bottom: 48px; text-align: center; }

.contact-form { margin-bottom: 60px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; }
.form-group.full { margin-bottom: 20px; }
.form-group label { font-size: .75rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.form-group input, .form-group textarea { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; color: var(--text); font-family: var(--font); font-size: .9rem; transition: border-color .3s; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }
.form-group input::placeholder, .form-group textarea::placeholder { color: #555; }
.btn-submit { width: 100%; padding: 18px; font-size: 1rem; cursor: pointer; border: none; }

.contact-details { display: flex; justify-content: center; gap: 64px; }
.contact-item { text-align: center; }
.contact-item strong { display: block; font-size: .65rem; letter-spacing: 2.5px; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; font-weight: 700; }
.contact-item span { font-size: .9rem; color: var(--text-dim); }

/* === FOOTER === */
.footer { padding: 48px 40px; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: .85rem; color: var(--text-dim); transition: color .3s; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: .75rem; color: #444; padding-top: 20px; border-top: 1px solid var(--border); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .stats { gap: 48px; }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .menu-btn { display: flex; }
    .nav-links.open { display: flex; position: absolute; top: 72px; left: 0; right: 0; background: rgba(10,10,10,.95); flex-direction: column; padding: 24px 40px; gap: 20px; border-bottom: 1px solid var(--border); }
    .hero h1 { font-size: 2.5rem; letter-spacing: -1px; }
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-image img { max-height: 320px; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .product-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .stats { flex-direction: column; gap: 24px; }
    .contact-details { flex-direction: column; gap: 28px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-top { flex-direction: column; gap: 16px; }
    .section-header h2, .about-inner h2, .contact-inner h2 { font-size: 2rem; }
}
@media (max-width: 480px) {
    .nav-inner, .hero, .products, .features, .about, .contact, .footer { padding-left: 20px; padding-right: 20px; }
    .features-grid { grid-template-columns: 1fr; }
}

/* === ANIMATIONS === */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Fallback: show content if JS doesn't load */
@media (prefers-reduced-motion: reduce) {
    .fade-in { opacity: 1; transform: none; }
}