/* CSS reset and variables */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #0e0f11;
  --surface: #14161a;
  --muted: #1b1e24;
  --text: #e8eaed;
  --subtle: #aeb4be;
  --brand: #7c5cff;
  --brand-2: #00d4ff;
  --accent: #20e3b2;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 28px;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
  line-height: 1.6;
}

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

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

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.section {
  padding: 64px 0;
}

.section.muted {
  background: var(--surface);
}

.sectionTitle {
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
  margin: 0 0 24px;
}

/* Accessibility helpers */
.srOnly {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skipLink {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.skipLink:focus {
  left: 16px;
  top: 16px;
  background: var(--brand);
  color: white;
  padding: 10px 14px;
  border-radius: 12px;
  z-index: 1000;
}

/* Topbar */
.topbar {
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: white;
  font-size: 0.9rem;
}

.topbarText {
  text-align: center;
  padding: 10px 0;
  margin: 0;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 500;
  backdrop-filter: saturate(180%) blur(8px);
  background: rgba(20, 22, 26, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbarInner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 1px;
}

.brandMark {
  filter: drop-shadow(0 3px 10px rgba(124, 92, 255, 0.5));
}

.brandName {
  font-size: 1.1rem;
}

.navLinks {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navLinks a {
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--subtle);
}

.navLinks a:hover {
  color: white;
  background: rgba(124, 92, 255, 0.12);
}

.navActions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.searchForm input {
  background: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--text);
  width: 180px;
}

.cart {
  font-size: 1.2rem;
}

.navToggle {
  display: none;
  background: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 6px 10px;
  color: var(--text);
}

/* Hero */
.hero {
  padding: 40px 0 10px;
  background:
    radial-gradient(800px 260px at right 10% top 30%, rgba(124, 92, 255, 0.15), transparent 60%),
    radial-gradient(700px 240px at left 10% bottom 10%, rgba(32, 227, 178, 0.14), transparent 60%);
}

.heroInner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: center;
}

.heroCopy h1 {
  font-size: clamp(2rem, 1.4rem + 2.2vw, 3rem);
  margin: 0 0 10px 0;
}

.heroCopy p {
  color: var(--subtle);
  margin: 0 0 18px 0;
}

.heroCtas {
  display: flex;
  gap: 12px;
}

.heroMedia img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-1px);
}

.btnPrimary {
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: white;
  box-shadow: 0 8px 20px rgba(124, 92, 255, 0.35);
}

.btnPrimary:hover {
  box-shadow: 0 10px 26px rgba(124, 92, 255, 0.5);
}

.btnSecondary {
  background: var(--muted);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.08);
}

.btnGhost {
  background: transparent;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
}

/* Cards */
.cardGrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.cardBody {
  padding: 14px;
}

.price {
  color: var(--accent);
  font-weight: 700;
  margin: 6px 0 12px;
}

/* Products */
.productGrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.product {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  box-shadow: var(--shadow);
}

.productBody {
  padding: 16px;
}

/* Newsletter */
.newsletter {
  background:
    radial-gradient(600px 200px at left 10% center, rgba(0, 212, 255, 0.12), transparent 60%),
    linear-gradient(0deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}

.newsletterInner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 18px;
  align-items: center;
}

.newsletterForm {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.newsletterForm input {
  background: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
}

/* Footer */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(20, 22, 26, 0.8);
  padding: 28px 0;
}

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

.footerLinks {
  display: flex;
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Responsive behavior */
@media (max-width: 1024px) {
  .heroInner {
    grid-template-columns: 1fr;
  }
  .newsletterInner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .navbarInner {
    grid-template-columns: auto auto 1fr;
  }
  .navLinks {
    position: absolute;
    left: 0;
    right: 0;
    top: 64px;
    background: rgba(20, 22, 26, 0.98);
    padding: 16px;
    flex-direction: column;
    gap: 10px;
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .navLinks.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .navToggle {
    display: inline-block;
  }
  .searchForm {
    display: none;
  }
  .cardGrid,
  .productGrid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .cardGrid,
  .productGrid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: 24px;
  }
  .btn {
    padding: 12px 14px;
  }
}