:root {
  --bg-dark: #0a1020;
  --bg-panel: #111a2e;
  --bg-panel-hover: #162038;
  --blue: #0066ff;
  --blue-hover: #0052cc;
  --gold: #ffc400;
  --gold-hover: #e6b000;
  --text: #f5f7fa;
  --text-muted: #9aa8c7;
  --border: rgba(0, 102, 255, 0.35);
  --shadow-glow: 0 0 24px rgba(0, 102, 255, 0.25);
  --font-heading: "Rajdhani", sans-serif;
  --font-body: "Montserrat", sans-serif;
  --header-h: 168px;
  --nav-h: 52px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(0, 102, 255, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(255, 196, 0, 0.05), transparent);
  pointer-events: none;
  z-index: -1;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.container {
  width: min(1280px, 100% - 2rem);
  margin-inline: auto;
}

/* Top bar */
.top-bar {
  background: #060d18;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.8rem;
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
  flex-wrap: wrap;
}

.top-bar__perks {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.top-bar__perk {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
}

.top-bar__perk svg {
  color: var(--gold);
  flex-shrink: 0;
}

.top-bar__auth {
  display: flex;
  gap: 1rem;
}

.top-bar__auth a:hover {
  color: var(--gold);
}

/* Main header */
.site-header {
  background: var(--bg-panel);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-main .container {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo img {
  height: 56px;
  width: auto;
}

.search-form {
  display: flex;
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}

.search-form input {
  flex: 1;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-right: none;
  border-radius: 4px 0 0 4px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.search-form input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: var(--shadow-glow);
}

.search-form button {
  background: var(--gold);
  border: none;
  border-radius: 0 4px 4px 0;
  padding: 0 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-form button:hover {
  background: var(--gold-hover);
}

.header-cart {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-dark);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.header-cart:hover {
  border-color: var(--gold);
  box-shadow: 0 0 16px rgba(255, 196, 0, 0.2);
}

.header-cart__icon {
  color: var(--gold);
}

.header-cart__label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.header-cart__total {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--gold);
}

/* Nav */
.main-nav {
  background: #0d1528;
  border-bottom: 1px solid rgba(0, 102, 255, 0.2);
}

.main-nav .container {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.btn-categories {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gold);
  color: #0a1020;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  padding: 0 1.25rem;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-categories:hover {
  background: var(--gold-hover);
}

.nav-links {
  display: flex;
  align-items: stretch;
  flex: 1;
  overflow-x: auto;
}

.nav-links a {
  display: flex;
  align-items: center;
  padding: 0 1.1rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  border-bottom-color: var(--blue);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  margin-left: auto;
}

/* Layout with sidebar */
.page-with-sidebar {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0 3rem;
  align-items: start;
}

.category-sidebar {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.category-sidebar h3 {
  background: rgba(0, 102, 255, 0.15);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  margin: 0;
  border-bottom: 1px solid var(--border);
}

.category-sidebar a {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background 0.15s, color 0.15s;
}

.category-sidebar a:hover,
.category-sidebar a.active {
  background: var(--bg-panel-hover);
  color: var(--gold);
}

.category-sidebar .cat-icon {
  width: 22px;
  height: 22px;
  color: var(--gold);
  flex-shrink: 0;
}

/* Hero */
.hero {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  min-height: 380px;
  border: 1px solid var(--border);
  background:
    linear-gradient(105deg, rgba(10, 16, 32, 0.95) 35%, rgba(10, 16, 32, 0.7)),
    radial-gradient(circle at 75% 40%, rgba(0, 102, 255, 0.35), transparent 50%),
    linear-gradient(160deg, #0d1a35 0%, #1a2848 40%, #0a1020 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 3rem 2.5rem;
  max-width: 620px;
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  line-height: 1.1;
}

.hero__tags span:nth-child(odd) {
  color: var(--blue);
}

.hero__tags span:nth-child(even) {
  color: var(--gold);
}

.hero__sep {
  color: var(--text-muted);
  margin: 0 0.25rem;
}

.hero p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 480px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--blue);
  color: #fff;
}

.btn--primary:hover {
  background: var(--blue-hover);
}

.btn--accent {
  background: var(--gold);
  color: #0a1020;
}

.btn--accent:hover {
  background: var(--gold-hover);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn--outline:hover {
  border-color: var(--blue);
  color: var(--blue);
}

/* Trust bar */
.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 1rem;
}

.trust-item svg {
  color: var(--gold);
  flex-shrink: 0;
}

.trust-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.trust-item span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Sections */
.section {
  margin-top: 2.5rem;
}

.section__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid rgba(0, 102, 255, 0.3);
}

.section__head h2 {
  font-size: 1.5rem;
  color: var(--text);
}

.section__head a {
  font-size: 0.85rem;
  color: var(--blue);
}

.section__head a:hover {
  color: var(--gold);
}

/* Category cards */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.category-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.category-card:hover {
  border-color: var(--gold);
  box-shadow: 0 0 20px rgba(255, 196, 0, 0.15);
  transform: translateY(-2px);
}

.category-card svg {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.75rem;
  color: var(--gold);
}

.category-card h3 {
  font-size: 1rem;
}

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.product-card {
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.product-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-glow);
}

.product-card__img {
  aspect-ratio: 1;
  background: #0d1528;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  position: relative;
}

.product-card__badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  background: var(--gold);
  color: #0a1020;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  font-family: var(--font-heading);
}

.product-card__body {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__title {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.35;
  flex: 1;
}

.product-card__title a:hover {
  color: var(--blue);
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: auto;
}

.product-card__price {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--gold);
}

.btn-add-cart {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 6px;
  background: var(--gold);
  color: #0a1020;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.btn-add-cart:hover {
  background: var(--gold-hover);
}

/* Footer */
.site-footer {
  margin-top: 4rem;
  background: #060d18;
  border-top: 1px solid rgba(0, 102, 255, 0.25);
}

.footer-main {
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--gold);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 0.25rem 0;
}

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

.footer-contact p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 0.35rem 0;
}

.footer-contact a {
  color: var(--blue);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1rem 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* Inner pages */
.page-hero {
  padding: 2rem 0 1rem;
}

.page-hero h1 {
  font-size: 2rem;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.breadcrumb a:hover {
  color: var(--gold);
}

/* Product detail */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  padding: 2rem 0;
}

.product-detail__gallery {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
}

.product-detail__price {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--gold);
  margin: 1rem 0;
}

.product-detail__meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.qty-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.qty-row input {
  width: 70px;
  padding: 0.5rem;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  text-align: center;
}

/* Cart */
.cart-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.cart-table th,
.cart-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cart-table th {
  font-family: var(--font-heading);
  color: var(--gold);
  font-size: 0.9rem;
}

.cart-summary {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  max-width: 400px;
  margin-left: auto;
}

.cart-summary__row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.cart-summary__total {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--gold);
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--blue);
}

.form-group--full {
  grid-column: 1 / -1;
}

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  padding: 2rem 0;
}

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.empty-state h2 {
  margin-bottom: 1rem;
}

/* Filters */
.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.filter-chip {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  background: transparent;
  font-family: inherit;
}

.filter-chip:hover,
.filter-chip.active {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(255, 196, 0, 0.08);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--gold);
  color: #0a1020;
  padding: 0.85rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  z-index: 200;
  transform: translateY(120%);
  transition: transform 0.3s;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.toast.show {
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .page-with-sidebar {
    grid-template-columns: 1fr;
  }

  .category-sidebar {
    display: none;
  }

  .category-sidebar.open {
    display: block;
  }

  .trust-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-detail {
    grid-template-columns: 1fr;
  }

  .checkout-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-main .container {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
  }

  .search-form {
    grid-column: 1 / -1;
    order: 3;
    max-width: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: #0d1528;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .main-nav .container {
    flex-wrap: wrap;
    position: relative;
  }

  .trust-bar {
    grid-template-columns: 1fr;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .top-bar__perks {
    display: none;
  }
}