body { font-family: 'Inter', sans-serif; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, .nav-link, .font-montserrat { font-family: 'Montserrat', sans-serif; }
.nav-link::after { content: ''; display: block; width: 0; height: 2px; background: #0ea5e9; transition: width 0.3s; margin-top: 4px; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.page-header-bg { background: linear-gradient(to right, rgba(2, 15, 30, 0.95) 0%, rgba(2, 15, 30, 0.82) 100%), url('https://images.unsplash.com/photo-1581092580497-e0d23cbdf1dc?auto=format&fit=crop&w=1400&q=80') center/cover no-repeat; }
.product-card { transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.product-card:hover { transform: translateY(-8px); box-shadow: 0 25px 50px -12px rgba(14, 165, 233, 0.15); border-color: rgba(14, 165, 233, 0.3); }
.img-container { overflow: hidden; }
.img-container img { transition: transform 0.6s ease; }
.product-card:hover .img-container img { transform: scale(1.08); }
.filter-btn.active { background-color: #0ea5e9; color: #fff; border-color: #0ea5e9; }
.tech-table tr { transition: background-color 0.2s; }
.tech-table tr:hover { background-color: #f0f9ff; }
.thumb-img { transition: opacity 0.3s, border-color 0.3s; }
.thumb-img:hover { opacity: 0.85; border-color: #0ea5e9; }
.hero-gradient { background: linear-gradient(135deg, #020617 0%, #0f172a 50%, #0c4a6e 100%); }
.admin-sidebar a.active { background: #0f172a; color: #fff; }