:root {
  --bg: #070711;
  --panel: rgba(18,18,34,.9);
  --text: #f7f2ff;
  --muted: #aaa3c4;
  --purple: #9d4dff;
  --pink: #ff4fd8;
  --blue: #37d5ff;
  --green: #44ffb1;
  --border: rgba(255,255,255,.14);
  --shadow: 0 0 35px rgba(157,77,255,.25);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(157,77,255,.3), transparent 28%),
    radial-gradient(circle at 90% 20%, rgba(55,213,255,.18), transparent 26%),
    var(--bg);
}

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

button, input {
  font-family: inherit;
}

.site-header, .section, .footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.logo-mark {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 900;
  background: linear-gradient(135deg, var(--purple), var(--pink), var(--blue));
  box-shadow: var(--shadow);
}

.logo strong { display: block; }

.logo small, .nav-links, p {
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.cart-btn, .primary-btn, .secondary-btn, .filter-btn {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 12px 17px;
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
}

.cart-btn, .secondary-btn, .filter-btn {
  background: rgba(255,255,255,.07);
}

.primary-btn {
  background: linear-gradient(135deg, var(--purple), var(--pink));
  box-shadow: var(--shadow);
}

.cart-btn span {
  margin-left: 6px;
  color: var(--green);
}

.hero {
  min-height: 75vh;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 32px;
  padding: 40px 0 70px;
}

.eyebrow {
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 12px;
  font-weight: 800;
}

.hero h1, .section-heading h2 {
  font-size: clamp(36px, 6vw, 70px);
  line-height: .95;
  margin: 12px 0 18px;
}

.hero p, .section-heading p {
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.hero-card, .product-card, .modal-card, .order-card {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-card {
  padding: 18px;
}

.hero-card h3 {
  font-size: 28px;
  margin: 18px 4px 4px;
}

.hero-card p {
  margin: 0 4px 4px;
  font-size: 22px;
  font-weight: 900;
  color: var(--text);
}

.image-placeholder {
  min-height: 230px;
  border-radius: 24px;
  border: 1px dashed rgba(255,255,255,.28);
  background: linear-gradient(135deg, rgba(157,77,255,.22), rgba(55,213,255,.12));
  display: grid;
  place-items: center;
  color: var(--muted);
  overflow: hidden;
  text-align: center;
}

.image-placeholder.large {
  min-height: 410px;
}

.image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  padding: 70px 0;
}

.row-heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-end;
  margin-bottom: 28px;
}

.filter-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-btn.active, .filter-btn:hover {
  background: linear-gradient(135deg, rgba(157,77,255,.55), rgba(55,213,255,.22));
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 18px;
}

.product-card {
  padding: 14px;
  transition: .22s;
}

.product-card:hover {
  transform: translateY(-4px);
}

.product-card h3 {
  margin: 16px 0 8px;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.price {
  display: block;
  font-size: 24px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  -webkit-background-clip: text;
  color: transparent;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.small-btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.07);
  color: var(--text);
  padding: 10px;
  border-radius: 14px;
  cursor: pointer;
}

.small-btn.primary {
  background: linear-gradient(135deg, rgba(157,77,255,.6), rgba(255,79,216,.35));
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.76);
  display: grid;
  place-items: center;
  padding: 18px;
  z-index: 50;
}

.hidden { display: none !important; }

.modal-card {
  width: min(900px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  padding: 22px;
  position: relative;
  background: #101024;
}

.close-btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.08);
  color: var(--text);
  border-radius: 14px;
  width: 42px;
  height: 42px;
  font-size: 25px;
  cursor: pointer;
}

.modal-card > .close-btn {
  position: absolute;
  right: 16px;
  top: 14px;
}

.modal-layout {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 22px;
}

.modal-layout .image-placeholder {
  min-height: 420px;
}

.detail-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.detail-item {
  padding: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.055);
  border-radius: 16px;
}

.detail-item span {
  color: var(--muted);
  font-size: 12px;
  display: block;
}

.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.62);
  z-index: 80;
}

.cart-drawer {
  position: fixed;
  right: 0;
  top: 0;
  width: min(460px, 100%);
  height: 100vh;
  background: #101024;
  border-left: 1px solid var(--border);
  z-index: 90;
  padding: 20px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 12px 0;
}

.cart-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px;
  border: 1px solid var(--border);
  padding: 10px;
  border-radius: 18px;
  background: rgba(255,255,255,.055);
}

.cart-item .image-placeholder {
  min-height: 70px;
  border-radius: 14px;
  font-size: 11px;
}

.qty-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}

.qty-row button {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.08);
  color: var(--text);
  cursor: pointer;
}

.cart-summary {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.cart-summary > div {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.total-row {
  font-size: 22px;
}

.checkout-form {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.checkout-form input {
  border: 1px solid var(--border);
  background: rgba(0,0,0,.3);
  color: var(--text);
  padding: 13px;
  border-radius: 14px;
}

.full-btn {
  width: 100%;
  border-radius: 16px;
}

.order-list {
  display: grid;
  gap: 14px;
}

.order-card {
  padding: 18px;
}

.footer {
  text-align: center;
  padding: 30px 0 45px;
  border-top: 1px solid var(--border);
}

@media (max-width: 850px) {
  .nav, .row-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero, .modal-layout {
    grid-template-columns: 1fr;
  }

  .hero { min-height: auto; }

  .nav-links { flex-wrap: wrap; }
}