:root {
  --font-head: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --color-bg: #0f1118;
  --color-surface: #131722;
  --color-card: #171c28;
  --color-text: #e8ecf5;
  --color-muted: #9da8c4;
  --color-border: #1f2635;
  --color-primary: #6c5ce7;
  --color-accent: #f5c453;
  --color-success: #3dd598;
  --shadow: 0 12px 50px rgba(0, 0, 0, 0.35);
  --radius: 16px;
}

body.theme-light {
  --color-bg: #f6f7fb;
  --color-surface: #ffffff;
  --color-card: #ffffff;
  --color-text: #141820;
  --color-muted: #5b6274;
  --color-border: #e7e9f3;
  --shadow: 0 12px 40px rgba(15, 20, 40, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at 20% 20%, rgba(108, 92, 231, 0.08), transparent 35%),
              radial-gradient(circle at 80% 0%, rgba(245, 196, 83, 0.12), transparent 30%),
              var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.5;
  min-height: 100vh;
}

.page {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px 96px;
}

.hero {
  position: relative;
  margin: 28px 0 16px;
  border-radius: 28px;
  overflow: hidden;
  background: var(--color-card);
  box-shadow: var(--shadow);
}

.hero__cover {
  height: 180px;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.85), rgba(245, 196, 83, 0.75));
  background-blend-mode: multiply;
  filter: saturate(1.1);
}

.hero__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 26px;
  gap: 12px;
}

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

.brand__mark {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: var(--color-surface);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 20px;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
}

.brand__title {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  font-family: var(--font-head);
}

.brand__subtitle {
  margin: 2px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pill {
  border: none;
  padding: 10px 14px;
  background: rgba(245, 196, 83, 0.12);
  color: var(--color-text);
  border-radius: 999px;
  font-weight: 600;
  cursor: default;
}

.cta {
  border: none;
  padding: 12px 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), #4d3ad8);
  color: white;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
  box-shadow: 0 12px 30px rgba(76, 58, 216, 0.3);
}

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

.cta.secondary {
  background: var(--color-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  box-shadow: none;
}

.cta.ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text);
  box-shadow: none;
  border: 1px solid var(--color-border);
}

.cta.small {
  padding: 10px 14px;
  font-size: 14px;
}

.ghost {
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-text);
  padding: 12px 14px;
  border-radius: 12px;
  cursor: pointer;
}

.content {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.summary {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 16px;
}

.summary__label {
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  margin: 0 0 6px;
}

.summary__title {
  font-family: var(--font-head);
  font-size: 32px;
  margin: 0 0 10px;
}

.summary__desc {
  margin: 0 0 12px;
  color: var(--color-muted);
  max-width: 640px;
}

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

.summary__chip {
  padding: 8px 12px;
  border-radius: 12px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 13px;
}

.summary__card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.summary__eyebrow {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.summary__number {
  margin: 6px 0;
  font-family: var(--font-head);
  font-size: 28px;
}

.summary__note {
  margin: 0 0 12px;
  color: var(--color-muted);
  font-size: 14px;
}

.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.category-nav button {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 150ms ease, transform 150ms ease;
}

.category-nav button:hover {
  transform: translateY(-1px);
  border-color: var(--color-primary);
}

.catalog {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-head);
  margin: 0 0 10px;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.product {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product__header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.product__category {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.product__title {
  margin: 4px 0;
  font-size: 22px;
  font-family: var(--font-head);
}

.product__summary {
  margin: 0;
  color: var(--color-muted);
}

.product__price {
  text-align: right;
}

.product__price-label {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.product__price-value {
  margin: 2px 0 0;
  font-size: 22px;
  font-weight: 700;
}

.product__items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.product__item {
  padding: 12px;
  border-radius: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.product__item strong {
  display: block;
  margin-bottom: 6px;
}

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

.tag {
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 13px;
}

.product__actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.notes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.notes__card {
  border-radius: 16px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: 16px;
  box-shadow: var(--shadow);
}

.notes__card h3 {
  margin-top: 0;
  font-family: var(--font-head);
}

.notes__card ul {
  padding-left: 18px;
  margin: 0;
  color: var(--color-muted);
  display: grid;
  gap: 6px;
}

.footer {
  margin-top: 30px;
  padding: 22px 0 10px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.footer__brand {
  margin: 0;
  font-weight: 700;
}

.footer__desc {
  margin: 2px 0 0;
  color: var(--color-muted);
}

.footer__cta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-muted);
}

.floating {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
}

.floating__label {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.floating__title {
  margin: 2px 0 0;
  font-weight: 700;
}

.hidden {
  display: none !important;
}

@media (max-width: 900px) {
  .hero__content {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .product__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .product__price {
    text-align: left;
  }

  .product__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .floating {
    left: 20px;
    right: 20px;
  }
}

@media (max-width: 640px) {
  .page {
    padding: 0 14px 120px;
  }

  .hero {
    margin-top: 16px;
  }

  .hero__cover {
    height: 140px;
  }

  .cta, .ghost, .pill {
    width: 100%;
    text-align: center;
  }

  .hero__actions {
    width: 100%;
  }

  .category-nav {
    overflow-x: auto;
  }

  .floating {
    flex-direction: column;
    align-items: flex-start;
  }
}