/* ============================================================
   BRIXYN LTD — Components
   Nav · Buttons · Cards · Footer · Forms · Badges
   ============================================================ */

/* ── Navigation ────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(28,28,30,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(200,120,58,0.15);
  animation: navSlideDown 0.5s var(--ease-smooth) both;
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo__mark {
  width: 36px;
  height: 36px;
  background: var(--col-copper);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--col-charcoal);
  letter-spacing: -0.05em;
  transition: transform var(--t-base) var(--ease-spring);
}

.nav-logo:hover .nav-logo__mark { transform: rotate(-6deg) scale(1.05); }

.nav-logo__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--col-cream);
  letter-spacing: 0.05em;
}

.nav-logo__name span { color: var(--col-copper); }

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--col-cream-dim);
  text-decoration: none;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--t-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--col-copper);
  transition: width var(--t-base) var(--ease-smooth);
}

.nav-links a:hover,
.nav-links a.active { color: var(--col-cream); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

/* Cart icon button */
.nav-cart {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  background: none;
  border: 1px solid rgba(200,120,58,0.35);
  border-radius: var(--radius-full);
  padding: var(--sp-2) var(--sp-4);
  color: var(--col-cream);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast);
  text-decoration: none;
}

.nav-cart:hover {
  border-color: var(--col-copper);
  background: rgba(200,120,58,0.1);
}

.nav-cart__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--col-copper);
  color: var(--col-charcoal);
  border-radius: 50%;
  font-size: 0.6rem;
  font-weight: 700;
  line-height: 1;
}

.nav-cart__badge[data-count="0"] { display: none; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--col-cream);
  border-radius: 2px;
  transition: transform var(--t-base) var(--ease-smooth),
              opacity var(--t-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.nav-drawer {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--col-charcoal-2);
  border-bottom: 1px solid rgba(200,120,58,0.2);
  padding: var(--sp-6) var(--sp-6) var(--sp-8);
  transform: translateY(-110%);
  transition: transform var(--t-base) var(--ease-smooth);
  z-index: 999;
}

.nav-drawer.open { transform: translateY(0); }

.nav-drawer .nav-links {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
}

.nav-drawer .nav-links a { font-size: var(--text-md); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0.8em 1.8em;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
  transition: transform var(--t-fast) var(--ease-spring),
              box-shadow var(--t-fast),
              background var(--t-fast),
              color var(--t-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* Primary */
.btn--primary {
  background: var(--col-copper);
  color: var(--col-charcoal);
  box-shadow: 0 4px 16px rgba(200,120,58,0.35);
}
.btn--primary:hover { background: var(--col-copper-light); box-shadow: 0 8px 24px rgba(200,120,58,0.45); }

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--col-cream);
  border: 1px solid rgba(245,240,235,0.3);
}
.btn--ghost:hover { border-color: var(--col-copper); color: var(--col-copper); }

/* Dark */
.btn--dark {
  background: var(--col-stone);
  color: var(--col-cream);
  border: 1px solid var(--col-stone-light);
}
.btn--dark:hover { background: var(--col-stone-light); }

/* Danger */
.btn--danger {
  background: transparent;
  color: var(--col-error);
  border: 1px solid var(--col-error);
}
.btn--danger:hover { background: var(--col-error); color: var(--col-white); }

/* Sizes */
.btn--sm { padding: 0.5em 1.2em; font-size: var(--text-xs); }
.btn--lg { padding: 1em 2.4em; font-size: var(--text-md); letter-spacing: 0.06em; }
.btn--full { width: 100%; }

.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  pointer-events: none;
}

/* ── Product Card ──────────────────────────────────────────── */
.product-card {
  background: var(--col-stone);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  border: 1px solid transparent;
  transition: transform var(--t-base) var(--ease-smooth),
              border-color var(--t-base),
              box-shadow var(--t-base);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--col-copper);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 0 1px var(--col-copper);
}

/* Image area */
.product-card__img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--col-charcoal);
}

.product-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-smooth);
}

.product-card:hover .product-card__img-wrap img {
  transform: scale(1.06);
}

/* Badge */
.product-card__badge {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  background: var(--col-copper);
  color: var(--col-charcoal);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  z-index: 1;
}

/* Quick-add overlay */
.product-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(28,28,30,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--t-base);
}

.product-card:hover .product-card__overlay { opacity: 1; }

/* Body */
.product-card__body {
  padding: var(--sp-5) var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex: 1;
}

.product-card__category {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--col-copper);
}

.product-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--col-cream);
  line-height: 1.25;
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--col-cream-dim);
  line-height: 1.55;
  flex: 1;
}

.product-card__rating {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
}

.product-card__stars { color: var(--col-copper); letter-spacing: 1px; }
.product-card__count { color: var(--col-cream-dim); }

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-top: var(--sp-2);
}

.product-card__price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--col-cream);
}

.product-card__actions {
  display: flex;
  gap: var(--sp-2);
}

/* ── Trust Bar ─────────────────────────────────────────────── */
.trust-bar {
  background: var(--col-stone);
  border-bottom: 1px solid rgba(200,120,58,0.15);
  padding-block: var(--sp-3);
}

.trust-bar__items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(var(--sp-4), 5vw, var(--sp-12));
  flex-wrap: wrap;
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--col-cream-dim);
  white-space: nowrap;
}

.trust-bar__item svg,
.trust-bar__item .icon { color: var(--col-copper); font-size: 1rem; }

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  background: var(--col-charcoal-2);
  border-top: 1px solid rgba(200,120,58,0.15);
  padding-top: var(--sp-16);
  padding-bottom: var(--sp-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  margin-bottom: var(--sp-12);
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  text-decoration: none;
}

.footer-brand__tagline {
  font-size: var(--text-sm);
  color: var(--col-cream-dim);
  line-height: 1.7;
  max-width: 30ch;
  margin-bottom: var(--sp-4);
}

.footer-address {
  font-size: var(--text-xs);
  color: var(--col-cream-dim);
  line-height: 1.8;
  font-style: normal;
}

.footer-col__title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--col-copper);
  margin-bottom: var(--sp-5);
}

.footer-col__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer-col__links a {
  font-size: var(--text-sm);
  color: var(--col-cream-dim);
  text-decoration: none;
  transition: color var(--t-fast);
}

.footer-col__links a:hover { color: var(--col-copper); }

.footer-bottom {
  border-top: 1px solid rgba(245,240,235,0.07);
  padding-top: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--col-cream-dim);
  opacity: 0.7;
}

.footer-legal {
  display: flex;
  gap: var(--sp-6);
}

.footer-legal a {
  font-size: var(--text-xs);
  color: var(--col-cream-dim);
  opacity: 0.6;
  text-decoration: none;
  transition: opacity var(--t-fast);
}

.footer-legal a:hover { opacity: 1; color: var(--col-copper); }

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal { justify-content: center; }
}

/* ── Form Elements ─────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--col-cream-dim);
  letter-spacing: 0.03em;
}

.form-label .required { color: var(--col-copper); margin-left: 3px; }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--col-stone);
  border: 1px solid var(--col-stone-light);
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-4);
  color: var(--col-cream);
  font-size: var(--text-base);
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder { color: rgba(245,240,235,0.3); }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--col-copper);
  box-shadow: 0 0 0 3px rgba(200,120,58,0.15);
}

.form-input.error,
.form-textarea.error { border-color: var(--col-error); }

.form-error {
  font-size: var(--text-xs);
  color: var(--col-error);
  display: none;
}

.form-error.visible { display: block; }

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* ── Cart Line Item ────────────────────────────────────────── */
.cart-item {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: var(--sp-5);
  align-items: start;
  padding: var(--sp-5) 0;
  border-bottom: 1px solid rgba(245,240,235,0.08);
}

.cart-item__img {
  width: 90px;
  height: 70px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.cart-item__name {
  font-family: var(--font-display);
  font-size: var(--text-md);
  color: var(--col-cream);
  margin-bottom: var(--sp-1);
}

.cart-item__price { font-size: var(--text-sm); color: var(--col-cream-dim); }

.qty-control {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: var(--sp-3);
  border: 1px solid var(--col-stone-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: fit-content;
}

.qty-btn {
  width: 32px;
  height: 32px;
  background: var(--col-stone-light);
  color: var(--col-cream);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast);
  cursor: pointer;
  border: none;
}

.qty-btn:hover { background: var(--col-copper); color: var(--col-charcoal); }

.qty-value {
  width: 40px;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--col-cream);
  background: var(--col-stone);
  border: none;
  outline: none;
}

.cart-item__total {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--col-cream);
  text-align: right;
}

/* ── Order Summary Panel ───────────────────────────────────── */
.order-summary {
  background: var(--col-stone);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  border: 1px solid rgba(200,120,58,0.15);
}

.order-summary__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid rgba(245,240,235,0.1);
}

.order-summary__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--col-cream-dim);
}

.order-summary__row--total {
  border-top: 1px solid rgba(245,240,235,0.1);
  margin-top: var(--sp-2);
  padding-top: var(--sp-4);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--col-cream);
  font-weight: 700;
}

/* ── Page Header ───────────────────────────────────────────── */
.page-header {
  padding-top: calc(var(--nav-h) + var(--sp-12));
  padding-bottom: var(--sp-12);
  background: var(--col-charcoal-2);
  border-bottom: 1px solid rgba(200,120,58,0.12);
}

.page-header__label { margin-bottom: var(--sp-3); }
.page-header__title { margin-bottom: var(--sp-3); }
.page-header__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  color: var(--col-cream-dim);
}
.page-header__breadcrumb a { color: var(--col-copper); text-decoration: none; }
.page-header__breadcrumb a:hover { text-decoration: underline; }
.page-header__breadcrumb span { opacity: 0.4; }

/* ── Filter Pills ──────────────────────────────────────────── */
.filter-pills {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.filter-pill {
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--radius-full);
  border: 1px solid var(--col-stone-light);
  background: var(--col-stone);
  color: var(--col-cream-dim);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--t-fast);
}

.filter-pill:hover { border-color: var(--col-copper); color: var(--col-copper); }

.filter-pill.active {
  background: var(--col-copper);
  border-color: var(--col-copper);
  color: var(--col-charcoal);
}

/* ── Product Gallery ───────────────────────────────────────── */
.product-gallery {
  display: grid;
  grid-template-rows: auto auto;
  gap: var(--sp-3);
}

.product-gallery__main {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--col-stone);
}

.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Stars ─────────────────────────────────────────────────── */
.stars {
  color: var(--col-copper);
  font-size: 1rem;
  letter-spacing: 2px;
}

/* ── Empty State ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--sp-20) var(--sp-8);
}

.empty-state__icon {
  font-size: 4rem;
  margin-bottom: var(--sp-6);
  opacity: 0.3;
}

.empty-state__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--sp-4);
  color: var(--col-cream);
}

.empty-state__text {
  color: var(--col-cream-dim);
  margin-bottom: var(--sp-8);
}