/*
 * Nero Hub - premium theme pass
 * ---------------------------------------------------------------
 * Palette:  Ink #0C0A14 · Charcoal #171224 · Violet #8B5CF6
 *           Violet Deep #7C3AED · Violet Bright #C4B5FD (decorative)
 *           Plum (atmosphere) #33102B
 * Type:     Space Grotesk (display) + Manrope (body/UI)
 * ---------------------------------------------------------------
 * This file loads after pro.css and after the theme's CSS-variable
 * block, so every rule below builds on top of the existing design
 * system rather than fighting it.
 */

/* ==========================================================================
   0. Tokens
   ========================================================================== */

:root {
  --nero-elevated: #201a30;
  --nero-elevated-rgb: 32, 26, 48;
  --nero-accent-deep: #7c3aed;
  --nero-accent-bright: #c4b5fd;
  --nero-accent-bright-rgb: 196, 181, 250;
  --nero-dusk: #33102b;
  --nero-dusk-rgb: 51, 16, 43;
  --nero-text: #f1eefb;
  --nero-text-muted: #a79ec2;
  --nero-shadow: rgba(0, 0, 0, 0.55);
  --nero-radius: 0.65rem;
  --bs-border-radius: var(--nero-radius);
}

/* ==========================================================================
   1. Base / atmosphere
   ========================================================================== */

html {
  scrollbar-color: rgba(var(--cl-accent-rgb), 0.55) transparent;
  scrollbar-width: thin;
}

body {
  color: var(--nero-text);
  background-color: var(--cl-background-primary);
  /* FIX: removed background-attachment: fixed — causes scroll repaint jank */
  background-image:
    radial-gradient(60rem 34rem at 10% -8%, rgba(var(--nero-dusk-rgb), 0.5), transparent 60%),
    radial-gradient(46rem 30rem at 108% 12%, rgba(var(--cl-accent-rgb), 0.10), transparent 55%);
  background-repeat: no-repeat;
  background-attachment: scroll, scroll;
  position: relative;
}

/* fine film-grain overlay
   FIX: promoted to GPU layer with will-change so it never triggers repaint */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  will-change: transform;
  transform: translateZ(0);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection {
  background: rgba(var(--cl-accent-rgb), 0.4);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(var(--cl-accent-rgb), 0.45);
  border-radius: 999px;
  border: 2px solid var(--cl-background-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(var(--cl-accent-rgb), 0.75);
}

:focus-visible {
  outline: 2px solid rgba(var(--cl-accent-rgb), 0.8);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ==========================================================================
   2. Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6,
.navbar-brand span,
.section-title h1,
.section-title h2,
.card-title,
.testimonial .footer .date,
.logo p {
  font-family: 'Space Grotesk', var(--bs-font-sans-serif), sans-serif;
  letter-spacing: -0.01em;
  font-weight: 600;
}

.text-accent-gradient {
  background: linear-gradient(100deg, var(--nero-accent-bright) 0%, var(--cl-accent) 55%, var(--nero-accent-bright) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

a {
  text-decoration: none;
}

.small, small {
  color: var(--nero-text-muted);
}

/* ==========================================================================
   3. Buttons
   ========================================================================== */

.btn {
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--nero-radius);
  /* FIX: only animate GPU-friendly properties */
  transition: transform 0.15s ease, box-shadow 0.18s ease, filter 0.15s ease;
  will-change: transform;
}

.btn-primary {
  background-image: linear-gradient(155deg, var(--cl-accent), var(--nero-accent-deep) 85%);
  border: none;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.2) inset, 0 10px 24px -12px rgba(var(--cl-accent-rgb), 0.55);
}

.btn-primary:hover:not(:disabled),
.btn-primary:focus-visible:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.3) inset, 0 14px 30px -10px rgba(var(--cl-accent-rgb), 0.7);
  filter: brightness(1.04);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-outline-primary {
  background: rgba(var(--cl-accent-rgb), 0.06);
  border-width: 1px;
}

.btn-outline-primary:hover {
  box-shadow: 0 0 0 1px rgba(var(--cl-accent-rgb), 0.4), 0 10px 24px -14px rgba(var(--cl-accent-rgb), 0.6);
  transform: translateY(-1px);
}

.btn-outline-secondary {
  --bs-btn-color: var(--nero-text-muted);
  --bs-btn-border-color: var(--cl-border);
  --bs-btn-hover-color: var(--nero-text);
  --bs-btn-hover-bg: rgba(255, 255, 255, 0.04);
  --bs-btn-hover-border-color: rgba(var(--cl-accent-rgb), 0.4);
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--cl-accent);
  --bs-btn-active-border-color: var(--cl-accent);
}

.btn-sm {
  border-radius: 0.5rem;
}

/* badges keep their own admin-configured color, just gain a touch of polish */
.products .card .card-img-top .badges div,
.product-wrapper .badges div,
.product-wrapper .badges a {
  font-weight: 700;
  letter-spacing: 0.02em;
  border-radius: 0.4rem;
  box-shadow: 0 4px 10px -4px rgba(0, 0, 0, 0.6);
}

/* ==========================================================================
   4. Navbar
   ========================================================================== */

.navbar {
  background: rgba(var(--cl-background-primary-rgb), 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--cl-border);
  /* FIX: promote navbar to its own GPU layer so blur doesn't repaint on scroll */
  will-change: transform;
  transform: translateZ(0);
}

.navbar .navbar-brand span {
  font-size: 1.15rem;
  background: linear-gradient(100deg, var(--nero-text) 30%, var(--nero-accent-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.navbar-nav .nav-link {
  position: relative;
  font-weight: 500;
  color: var(--nero-text-muted);
  padding-block: 0.5rem;
}

.navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0.5rem;
  right: 0.5rem;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--cl-accent), var(--nero-accent-bright));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
  will-change: transform;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--nero-text);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  transform: scaleX(1);
}

.navbar .user .btn.btn-outline-primary,
.navbar .cart .btn.btn-outline-primary {
  border-color: var(--cl-border);
  background: rgba(255, 255, 255, 0.03);
}

.navbar .user .btn.btn-outline-primary:hover,
.navbar .cart .btn.btn-outline-primary:hover {
  border-color: rgba(var(--cl-accent-rgb), 0.5);
}

/* ==========================================================================
   5. Announcement bar
   ========================================================================== */

.announcement {
  background: linear-gradient(90deg, var(--nero-accent-deep), var(--cl-accent) 130%);
  color: #fff;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.announcement a {
  color: #fff;
  font-weight: 700;
  text-decoration: underline;
}

/* ==========================================================================
   6. Hero
   ========================================================================== */

.hero {
  overflow: hidden;
}

.hero.hero-signature {
  background-color: var(--cl-background-primary);
  background-image:
    radial-gradient(42rem 24rem at 20% 15%, rgba(var(--cl-accent-rgb), 0.20), transparent 60%),
    radial-gradient(38rem 26rem at 85% 80%, rgba(var(--nero-dusk-rgb), 0.55), transparent 62%),
    linear-gradient(180deg, var(--cl-background-primary), var(--cl-background-primary));
}

.hero-grid {
  display: none;
}

.hero.hero-signature .hero-grid {
  display: block;
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(var(--cl-accent-rgb), 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--cl-accent-rgb), 0.09) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(60% 60% at 50% 40%, #000 0%, transparent 75%);
  mask-image: radial-gradient(60% 60% at 50% 40%, #000 0%, transparent 75%);
  pointer-events: none;
  /* FIX: GPU layer so grid never repaints */
  transform: translateZ(0);
}

.hero .bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(var(--cl-background-primary-rgb), 0.55) 78%, var(--cl-background-primary) 100%);
  pointer-events: none;
  transform: translateZ(0);
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 auto 1.25rem auto;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(var(--cl-accent-rgb), 0.35);
  background: rgba(var(--cl-accent-rgb), 0.08);
  color: var(--nero-accent-bright);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--nero-accent-bright);
  box-shadow: 0 0 0 3px rgba(var(--cl-accent-rgb), 0.25);
  /* FIX: GPU layer for pulsing dot */
  will-change: box-shadow;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-eyebrow .dot {
    animation: nero-pulse 2.2s ease-in-out infinite;
  }
}

@keyframes nero-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(var(--cl-accent-rgb), 0.25); }
  50% { box-shadow: 0 0 0 6px rgba(var(--cl-accent-rgb), 0.08); }
}

.hero .content h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.35rem);
  line-height: 1.12;
}

.hero .content p {
  color: var(--nero-text-muted);
  font-size: 1.05rem;
}

.hero .fake-searchbar input,
.hero .search-modal .searchbar input {
  border-radius: 999px;
  border: 1px solid var(--cl-border);
  background: rgba(var(--nero-elevated-rgb), 0.75);
}

.hero .fake-searchbar:hover input {
  border-color: rgba(var(--cl-accent-rgb), 0.4);
}

.hero .content .stats {
  background: rgba(var(--nero-elevated-rgb), 0.65);
  border: 1px solid var(--cl-border);
  backdrop-filter: blur(6px);
}

.hero .content .stats div .value {
  color: var(--nero-text);
}

.hero .content .stats div .value svg {
  color: var(--nero-accent-bright);
}

/* ==========================================================================
   7. Section headers
   ========================================================================== */

.section-title {
  position: relative;
  padding-left: 0.9rem;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2rem;
  bottom: 0.2rem;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--nero-accent-bright), var(--cl-accent));
}

.socials .section-title.justify-content-center::before {
  display: none;
}

.section-subtitle p {
  color: var(--nero-text-muted);
}

/* ==========================================================================
   8. Product & category cards
   ========================================================================== */

.card {
  background: linear-gradient(160deg, rgba(var(--nero-elevated-rgb), 0.9), var(--cl-background-secondary));
  border: 1px solid var(--cl-border);
  border-radius: var(--nero-radius);
}

a.card,
.products .card,
.categories .card {
  cursor: pointer;
  /* FIX: only transform+box-shadow, both GPU-composited */
  transition: transform 0.22s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.22s ease, border-color 0.22s ease;
  will-change: transform;
}

a.card:hover,
.products .card:hover,
.categories .card:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--cl-accent-rgb), 0.4);
  box-shadow: 0 18px 34px -18px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(var(--cl-accent-rgb), 0.12);
}

.products .card .card-img-top,
.categories .card-img-top {
  background: var(--cl-background-primary);
  overflow: hidden;
}

.products .card .card-img-top img,
.categories .card-img-top img {
  /* FIX: smoother cubic + GPU hint */
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.products .card:hover .card-img-top img,
.categories .card:hover .card-img-top img {
  transform: scale(1.06);
}

.card-title {
  font-size: 1.05rem;
}

.categories .card .card-body .btn-outline-primary {
  border-radius: 999px;
}

.products .card .info .price {
  color: var(--nero-text);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.products .card .info p.text-primary,
.stock-unlimited {
  color: var(--cl-accent) !important;
}

/* ==========================================================================
   9. Forms
   ========================================================================== */

.form-control,
.form-select {
  border: 1px solid var(--cl-border);
  border-radius: 0.55rem;
}

.form-control::placeholder {
  color: var(--nero-text-muted);
  opacity: 0.8;
}

.input-group-text {
  background: var(--cl-background-secondary);
  border-color: var(--cl-border);
}

/* ==========================================================================
   10. Modals
   ========================================================================== */

.modal-content {
  background: linear-gradient(165deg, rgba(var(--nero-elevated-rgb), 0.98), var(--cl-background-secondary));
  border: 1px solid var(--cl-border);
  border-radius: 1rem;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.7);
}

.modal-header {
  border-bottom: 1px solid var(--cl-border);
}

.modal-header .modal-title {
  font-family: 'Space Grotesk', var(--bs-font-sans-serif), sans-serif;
}

.btn-close {
  filter: invert(1) grayscale(1) opacity(0.7);
}

/* ==========================================================================
   11. Product page - variants, addons
   ========================================================================== */

.variants .variant {
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.variants .variant:hover {
  border-color: rgba(var(--cl-accent-rgb), 0.35);
}

.variants .variant.active {
  border-color: var(--cl-accent);
  background: rgba(var(--cl-accent-rgb), 0.08);
  box-shadow: 0 0 0 1px rgba(var(--cl-accent-rgb), 0.25);
}

.variants .variant .price {
  background: rgba(var(--cl-accent-rgb), 0.1);
  color: var(--nero-accent-bright);
}

/* ==========================================================================
   12. Testimonials / feedback
   ========================================================================== */

.testimonial {
  border: 1px solid var(--cl-border);
  background: linear-gradient(160deg, rgba(var(--nero-elevated-rgb), 0.85), var(--cl-background-secondary));
}

.testimonial .header svg.quote {
  color: rgba(var(--cl-accent-rgb), 0.35);
}

/* ==========================================================================
   13. Socials
   ========================================================================== */

.socials .list .social {
  border: 1px solid var(--cl-border);
  background: var(--cl-background-secondary);
  border-radius: var(--nero-radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
  will-change: transform;
}

.socials .list .social:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--cl-accent-rgb), 0.4);
}

/* ==========================================================================
   14. Footer
   ========================================================================== */

footer.footer {
  background: var(--cl-background-secondary);
  border-top: 1px solid var(--cl-border);
  position: relative;
}

footer.footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--cl-accent-rgb), 0.5), transparent);
}

.footer h5 {
  color: var(--nero-text-muted);
  letter-spacing: 0.06em;
}

.footer .nav li a {
  transition: color 0.15s ease, padding-left 0.15s ease;
}

.footer .nav li a:hover {
  padding-left: 0.2rem;
}

/* ==========================================================================
   15. Pagination
   ========================================================================== */

.pagination .page-link {
  border-radius: 0.5rem !important;
  margin-inline: 2px;
  border-color: var(--cl-border);
}

.pagination .page-item.active .page-link {
  color: #fff;
  font-weight: 700;
}