/* ===== NIKE PREMIUM STYLES ===== */
.hero-gradient {
    background: radial-gradient(ellipse at 50% 0%, rgba(255,107,0,0.12) 0%, transparent 70%);
}
.product-card {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.5s ease;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 48px -12px rgba(255,107,0,0.15), 0 8px 24px -8px rgba(0,0,0,0.4);
}
.img-container {
    overflow: hidden;
    position: relative;
}
.img-container img {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter 0.6s ease;
}
.product-card:hover .img-container img {
    transform: scale(1.08) rotate(2deg);
    filter: brightness(1.1) contrast(1.05);
}
.buy-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 2rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}
.product-card:hover .buy-overlay {
    opacity: 1;
}
.buy-btn {
    background: #FF6B00;
    color: #fff;
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s ease, box-shadow 0.3s ease;
}
.product-card:hover .buy-btn {
    transform: translateY(0);
}
.buy-btn:hover {
    background: #FF8C33;
    box-shadow: 0 0 30px rgba(255,107,0,0.5);
}
.add-cart-btn {
    transition: all 0.3s ease;
}
.add-cart-btn:hover {
    background: #FF6B00;
    border-color: #FF6B00;
    color: #fff;
    box-shadow: 0 0 20px rgba(255,107,0,0.3);
}
.badge-premium {
    background: linear-gradient(135deg, #FF6B00, #FF4500);
    animation: badgePulse 2s ease-in-out infinite;
}
@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,0,0.4); }
    50% { box-shadow: 0 0 0 6px rgba(255,107,0,0); }
}
.color-swatch {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.color-swatch:hover {
    transform: scale(1.3);
    box-shadow: 0 0 0 2px rgba(255,255,255,0.3);
}
#cartSidebar.open {
    transform: translateX(0);
}
#cartOverlay.open {
    display: block;
    opacity: 1;
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #111; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #555; }
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; }
.toast {
    animation: slideInRight 0.4s ease, slideOutRight 0.4s ease 2.6s forwards;
}
@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes slideOutRight {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}
#mobileMenu {
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
#mobileMenu.open {
    transform: translateX(0);
}
.cat-filter.active {
    background: #FF6B00;
    color: #fff;
    border-color: #FF6B00;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.marquee-track {
    animation: marquee 30s linear infinite;
}
.marquee-track:hover {
    animation-play-state: paused;
}

/* ===== FULL ECOMMERCE UPGRADE ===== */
.nav-link { color: rgba(255,255,255,.82); font-size: .9rem; font-weight: 600; transition: color .25s ease; }
.nav-link:hover { color: #fff; }
.mobile-link { color: #fff; font-size: 1.125rem; font-weight: 700; padding: 1rem 0; border-bottom: 1px solid #2A2A2E; }
#siteHeader.scrolled { background: rgba(5,5,5,.86); backdrop-filter: blur(18px); border-bottom: 1px solid #2A2A2E; }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; padding: 1rem 2rem; background: #2563EB; color: #fff; border-radius: 999px; font-size: .875rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; transition: transform .3s ease, box-shadow .3s ease, background .3s ease; }
.btn-primary:hover { transform: scale(1.05); background: #EF233C; box-shadow: 0 0 32px rgba(37,99,235,.35); }
.btn-secondary { display: inline-flex; align-items: center; justify-content: center; padding: 1rem 2rem; border: 1px solid rgba(255,255,255,.18); color: #fff; border-radius: 999px; font-size: .875rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; transition: border-color .3s ease, transform .3s ease; }
.btn-secondary:hover { border-color: #fff; transform: scale(1.05); }
.filter-pill { padding: .65rem 1.15rem; border: 1px solid #2A2A2E; border-radius: 999px; color: #F5F5F5; font-size: .875rem; font-weight: 700; transition: all .25s ease; }
.filter-pill:hover, .filter-pill.active { background: #2563EB; border-color: #2563EB; color: #fff; }
.shoe-float { animation: shoeFloat 5s ease-in-out infinite; }
@keyframes shoeFloat { 0%,100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-18px) rotate(2deg); } }
.product-card { will-change: transform; }
.product-card:hover { transform: translateY(-8px); box-shadow: 0 28px 70px -24px rgba(37,99,235,.45), 0 0 0 1px rgba(255,255,255,.08); }
.product-card:hover .img-container img { transform: scale(1.12) rotate(1.6deg); }
.product-card .product-info { transition: transform .45s cubic-bezier(.22,1,.36,1); }
.product-card:hover .product-info { transform: translateY(-4px); }
.buy-overlay { background: linear-gradient(180deg, transparent 0%, rgba(5,5,5,.18) 38%, rgba(5,5,5,.92) 100%); }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,1,.36,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (hover: none) {
    .buy-overlay { opacity: 1; }
    .buy-btn { transform: translateY(0); }
}

/* Mobile navigation fixes */
#mobileMenu { transition: transform .35s cubic-bezier(.22,1,.36,1); }
#mobileMenu.open { transform: translateX(0); }
#mobileMenuBackdrop { opacity: 0; transition: opacity .25s ease; }
#mobileMenuBackdrop.open { opacity: 1; }

/* Admin */
.admin-link { display: flex; padding: .85rem 1rem; border-radius: .9rem; color: #D1D5DB; font-weight: 700; transition: background .2s ease, color .2s ease; }
.admin-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.admin-card { background: #17171A; border: 1px solid #2A2A2E; border-radius: 1.25rem; }
.admin-input { width: 100%; background: #0E0E10; border: 1px solid #2A2A2E; color: #fff; border-radius: .85rem; padding: .85rem 1rem; outline: none; }
.admin-input:focus { border-color: #2563EB; }
.admin-modal { opacity: 0; pointer-events: none; transition: opacity .25s ease; }
.admin-modal.open { opacity: 1; pointer-events: auto; }
.admin-modal-panel { transform: translateY(18px) scale(.98); transition: transform .25s ease; }
.admin-modal.open .admin-modal-panel { transform: translateY(0) scale(1); }