/* ════════════════════════════════════════════════════════════════
   BIMXcloud Store — NeoTech Dark Theme
   ════════════════════════════════════════════════════════════════ */

/* ─── TOKENS ─────────────────────────────────────────────────── */
:root {
  --c-bg:        #080c14;
  --c-surface:   #0e1420;
  --c-surface2:  #141d2e;
  --c-border:    rgba(255,255,255,0.07);
  --c-border2:   rgba(255,255,255,0.13);

  --c-brand:     #00d9ff;
  --c-brand2:    #0077ff;
  --c-accent:    #7b61ff;
  --c-success:   #00e5a0;
  --c-warn:      #ff9b21;

  --c-text:      #e8ecf2;
  --c-text2:     #8896b0;
  --c-text3:     #4a5770;

  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --nav-h:       64px;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow-card: 0 0 0 1px var(--c-border), 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 24px rgba(0,217,255,0.15);

  --ease-out:    cubic-bezier(.22,.68,0,1.2);
  --ease-smooth: cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all .2s var(--ease-smooth);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--c-brand2), var(--c-brand));
  color: #fff;
  box-shadow: 0 0 16px rgba(0,119,255,0.35);
}
.btn--primary:hover { box-shadow: 0 0 24px rgba(0,217,255,0.45); transform: translateY(-1px); }
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--c-text2);
  border: 1px solid var(--c-border2);
}
.btn--ghost:hover { border-color: var(--c-brand); color: var(--c-brand); background: rgba(0,217,255,0.05); }

.btn--sm { padding: 7px 14px; font-size: 13px; }
.btn--full { width: 100%; justify-content: center; }

/* ─── NAV ────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(8,12,20,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
  transition: background .3s;
}
.nav.scrolled { background: rgba(8,12,20,0.92); }

.nav__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo img { display: block; filter: brightness(1.1); }

.nav__links {
  display: flex;
  list-style: none;
  gap: 4px;
  margin-right: auto;
}

.nav__link {
  display: block;
  padding: 6px 12px;
  font-size: 14px;
  color: var(--c-text2);
  text-decoration: none;
  border-radius: 6px;
  transition: color .15s, background .15s;
}
.nav__link:hover { color: var(--c-text); background: var(--c-border); }
.nav__link--active { color: var(--c-brand) !important; }

.nav__actions { display: flex; align-items: center; gap: 12px; }

.nav__cart {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 8px;
  border: 1px solid var(--c-border2);
  color: var(--c-text2);
  text-decoration: none;
  transition: all .15s;
}
.nav__cart:hover { border-color: var(--c-brand); color: var(--c-brand); }

.nav__cart-badge {
  position: absolute;
  top: -6px; right: -6px;
  background: var(--c-brand);
  color: #080c14;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transform: scale(0.6);
  transition: all .2s var(--ease-out);
}
.nav__cart-badge.visible { opacity: 1; transform: scale(1); }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all .2s;
}

/* ─── MOBILE MENU ─────────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  z-index: 99;
  transform: translateY(-110%);
  transition: transform .3s var(--ease-smooth);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu ul { list-style: none; padding: 12px 24px 20px; }
.mobile-menu a {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--c-text2);
  text-decoration: none;
  border-bottom: 1px solid var(--c-border);
  transition: color .15s;
}
.mobile-menu a:hover { color: var(--c-brand); }

/* ─── STORE HERO ──────────────────────────────────────────────── */
.store-hero {
  position: relative;
  margin-top: var(--nav-h);
  padding: 80px 24px 64px;
  text-align: center;
  overflow: hidden;
}

.store-hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,217,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,217,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 20%, transparent 100%);
}

.store-hero__content { position: relative; z-index: 1; }

.store-hero__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-brand);
  border: 1px solid rgba(0,217,255,0.25);
  background: rgba(0,217,255,0.07);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.store-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--c-text);
  margin-bottom: 16px;
}
.store-hero__title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--c-brand) 0%, var(--c-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.store-hero__sub {
  font-size: 16px;
  color: var(--c-text2);
  max-width: 480px;
  margin: 0 auto;
}

.store-hero__scroll-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  font-size: 12px;
  color: var(--c-text3);
  letter-spacing: .05em;
  animation: float 2.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ─── FILTERS BAR ─────────────────────────────────────────────── */
.filters-bar {
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface);
  padding: 14px 0;
  position: sticky;
  top: var(--nav-h);
  z-index: 50;
}

.filters-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.filters-bar__pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pill {
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--c-border2);
  background: transparent;
  color: var(--c-text2);
  transition: all .15s;
}
.pill:hover { border-color: var(--c-brand); color: var(--c-brand); }
.pill--active {
  background: rgba(0,217,255,0.12);
  border-color: var(--c-brand);
  color: var(--c-brand);
}

.sort-select {
  background: var(--c-surface2);
  border: 1px solid var(--c-border2);
  color: var(--c-text2);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  outline: none;
  transition: border-color .15s;
}
.sort-select:hover, .sort-select:focus { border-color: var(--c-brand); color: var(--c-text); }

/* ─── PRODUCTS SECTION ────────────────────────────────────────── */
.products-section { padding: 48px 0 80px; }

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* ─── ITEM GROUP SECTIONS ─────────────────────────────────────── */
.product-group {
  width: 100%;
  margin-bottom: 56px;
}
.product-group:last-child { margin-bottom: 0; }

.product-group__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: .02em;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-border);
}

.product-group__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* ─── LOADING STATE ───────────────────────────────────────────── */
.loading-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 64px 0;
  color: var(--c-text3);
  font-size: .9rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── PRODUCT CARD ────────────────────────────────────────────── */
.product-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform .2s var(--ease-out), border-color .2s, box-shadow .2s;
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,217,255,0.25);
  box-shadow: 0 0 32px rgba(0,217,255,0.08), 0 16px 40px rgba(0,0,0,0.4);
}

/* Category accent line */
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-brand2), var(--c-brand));
  opacity: 0;
  transition: opacity .2s;
}
.product-card:hover::before { opacity: 1; }

/* Accent line is the default brand gradient for all dynamic item groups */

/* Card media */
.product-card__media {
  position: relative;
  height: 180px;
  background: #9aa8c0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card__badge {
  position: absolute;
  top: 12px; left: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 100px;
}
/* Generic badge — matches the Add to Cart button style */
.product-card__badge {
  background: linear-gradient(135deg, var(--c-brand2), var(--c-brand));
  color: #fff;
  border: none;
  box-shadow: 0 0 10px rgba(0,119,255,0.4);
}

.product-card__icon {
  width: 72px; height: 72px;
  opacity: 0.9;
}

/* Real product image — fills the full media area */
.product-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 16px;
  box-sizing: border-box;
}

/* Card body */
.product-card__body {
  padding: 20px 20px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-card__tier {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--c-text3);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.product-card__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.25;
}

.product-card__desc {
  font-size: 13px;
  color: var(--c-text2);
  line-height: 1.55;
  flex: 1;
}

/* Specs list */
.product-card__specs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.product-card__specs li {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  color: var(--c-text3);
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  padding: 3px 9px;
  border-radius: 100px;
}
.product-card__specs li svg { color: var(--c-brand); flex-shrink: 0; }

/* Card footer */
.product-card__footer {
  padding: 14px 20px 18px;
  border-top: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.product-card__price-block {}
.product-card__price {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-text);
}
.product-card__price em {
  font-style: normal;
  font-size: 13px;
  font-weight: 400;
  color: var(--c-text3);
  font-family: var(--font-body);
}
.product-card__tax {
  font-size: 11px;
  color: var(--c-text3);
  margin-top: 1px;
}

.product-card__ctas {
  display: flex;
  gap: 8px;
}

.card-btn-cart {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  transition: all .2s var(--ease-smooth);
  background: linear-gradient(135deg, var(--c-brand2), var(--c-brand));
  color: #fff;
  box-shadow: 0 0 12px rgba(0,119,255,0.3);
}
.card-btn-cart:hover { box-shadow: 0 0 20px rgba(0,217,255,0.4); transform: scale(1.03); }
.card-btn-cart:active { transform: scale(0.98); }

.card-btn-quick {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 8px;
  border: 1px solid var(--c-border2);
  background: transparent;
  color: var(--c-text3);
  cursor: pointer;
  transition: all .15s;
}
.card-btn-quick:hover { border-color: var(--c-brand); color: var(--c-brand); background: rgba(0,217,255,0.07); }

/* Hidden card state */
.product-card.hidden {
  display: none;
}

/* ─── MODAL ───────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8,12,20,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.modal-overlay.visible { opacity: 1; pointer-events: auto; }

.modal {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-border2);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(24px) scale(0.98);
  transition: transform .25s var(--ease-out);
}
.modal-overlay.visible .modal { transform: none; }

.modal__close {
  position: absolute;
  top: 14px; right: 14px;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--c-border2);
  background: var(--c-surface2);
  color: var(--c-text2);
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .15s;
  z-index: 1;
}
.modal__close:hover { border-color: var(--c-brand); color: var(--c-brand); }

.modal__body { padding: 28px 28px 24px; }

.modal__media {
  height: 220px;
  background: #9aa8c0;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

/* Real product image in the modal */
.modal__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
  box-sizing: border-box;
}

.modal__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--c-brand);
  margin-bottom: 8px;
}

.modal__name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 10px;
}

.modal__desc {
  font-size: 14px;
  color: var(--c-text2);
  line-height: 1.65;
  margin-bottom: 20px;
}

.modal__specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 24px;
}

.modal__spec {
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 12px 14px;
}
.modal__spec-label {
  font-size: 11px;
  color: var(--c-text3);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-family: var(--font-mono);
  margin-bottom: 4px;
}
.modal__spec-val {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text);
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--c-border);
}

.modal__price {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
}
.modal__price span {
  font-size: 13px;
  font-weight: 400;
  color: var(--c-text2);
  font-family: var(--font-body);
}

/* ─── TOAST ───────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px; left: 50%; transform: translateX(-50%) translateY(12px);
  background: var(--c-surface2);
  border: 1px solid rgba(0,229,160,0.3);
  color: var(--c-success);
  border-radius: 100px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 300;
  opacity: 0;
  transition: all .3s var(--ease-out);
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── EMPTY STATE ─────────────────────────────────────────────── */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 24px;
  color: var(--c-text3);
}
.empty-state svg { margin-bottom: 16px; opacity: .4; }
.empty-state p { font-size: 15px; }

/* ─── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__actions .btn { display: none; }
  .nav__hamburger { display: flex; }
  .products-grid { grid-template-columns: 1fr; }
  .modal__specs-grid { grid-template-columns: 1fr; }
  .filters-bar__pills { gap: 6px; }
  .pill { font-size: 12px; padding: 5px 12px; }
  .store-hero { padding: 60px 24px 48px; }
}

@media (max-width: 420px) {
  .modal__body { padding: 20px 16px; }
  .modal__footer { flex-direction: column; align-items: stretch; }
}