:root {
  --electric: #00A3FF;
  --anthracite: #3A3A3A;
  --ink: #0f172a;
  --ink-light: #334155;
  --ink-muted: #64748b;
  --cream: #faf8f5;
  --white: #ffffff;
  --warm: #fef3c7;
  --amber: #f59e0b;
  --font-display: 'Century Gothic', 'Trebuchet MS', sans-serif;
  --font-body: 'Century Gothic', 'Trebuchet MS', sans-serif;
  --max-w: 1100px;
  --gap: clamp(1rem, 4vw, 2rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gap); }

/* HEADER */
.site-header {
  position: sticky; top: 0;
  background: rgba(250,248,245,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15,23,42,0.08);
  z-index: 100;
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1rem var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  text-decoration: none;
  color: var(--ink-light);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--electric); }

/* HERO */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) var(--gap) clamp(2rem, 5vw, 4rem);
}
.hero-inner {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 4rem;
  align-items: center;
  gap: 0;
}
.hero-text {
  padding-right: clamp(2rem, 4vw, 4rem);
}
.hero-text { display: flex; flex-direction: column; justify-content: center; }
.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 1.2rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--anthracite);
  margin-bottom: 1.2rem;
}
.hero-lede {
  font-size: 1.05rem;
  color: var(--ink-light);
  margin-bottom: 2rem;
  line-height: 1.65;
}
.hero-badges { display: flex; gap: 0.7rem; flex-wrap: wrap; margin-bottom: 2rem; }
.badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border: 1.5px solid var(--anthracite);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--anthracite);
}
.hero-cta {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: var(--electric);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 50px;
  transition: background 0.2s, transform 0.2s;
}
.hero-cta:hover {
  background: #008acc;
  transform: translateY(-2px);
}
.hero-image img {
  width: 100%;
  height: 70vh;
  max-height: 700px;
  object-fit: cover;
  border-radius: 16px;
  display: block;
}

/* HERO IMAGE */
.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.18);
}
.hero-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  border-radius: 24px;
}

/* CATEGORIES */
.categories {
  background: var(--ink);
  padding: clamp(4rem, 8vw, 7rem) var(--gap);
}
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 1rem;
}
.categories h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 3rem;
}
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.cat-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 2rem 1.8rem;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
.cat-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(13,148,136,0.4);
  transform: translateY(-4px);
}
.cat-icon {
  color: var(--electric);
  margin-bottom: 1.2rem;
}
.cat-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.7rem;
}
.cat-card p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

/* TRUST */
.trust {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(3rem, 5vw, 5rem) var(--gap);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid rgba(15,23,42,0.1);
  border-bottom: 1px solid rgba(15,23,42,0.1);
}
.trust-number {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--electric);
  margin-bottom: 0.4rem;
}
.trust-label {
  font-size: 0.88rem;
  color: var(--ink-muted);
  font-weight: 500;
}

/* PHILOSOPHY */
.philosophy {
  background: var(--white);
  padding: clamp(4rem, 8vw, 7rem) var(--gap);
}
.philosophy-inner { max-width: var(--max-w); margin: 0 auto; }
.philosophy h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 3rem;
}
.phil-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 4rem;
}
.phil-item h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--ink);
}
.phil-item p {
  font-size: 0.92rem;
  color: var(--ink-light);
  line-height: 1.65;
}

/* MANIFESTO */
.manifesto {
  background: var(--electric);
  padding: clamp(4rem, 8vw, 6rem) var(--gap);
}
.manifesto-inner { max-width: 720px; margin: 0 auto; text-align: center; }
.manifesto-quote {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.9rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.manifesto-sig {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  font-style: italic;
}

/* FOOTER */
.site-footer {
  background: var(--ink);
  padding: 4rem var(--gap) 2rem;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-wordmark {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.8rem;
  letter-spacing: -0.03em;
}
.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
}
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.footer-col h5 {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 1rem;
}
.footer-col p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 0.5rem;
}
.footer-bottom {
  max-width: var(--max-w);
  margin: 1.5rem auto 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.25);
}

/* ============================================
   CATALOGUE PAGE
   ============================================ */

.catalogue-hero {
  background: var(--ink);
  padding: 3.5rem var(--gap) 3rem;
  text-align: center;
}
.catalogue-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.04em;
  margin-bottom: 0.6rem;
}
.catalogue-hero__subtitle {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
}

.catalogue-body { padding: 0 var(--gap) 5rem; }
.catalogue-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 3rem;
  align-items: start;
}

/* FILTERS */
.catalogue-filters {
  position: sticky;
  top: 5rem;
}
.catalogue-filters__title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}
.filter-group { margin-bottom: 2rem; }
.filter-group__label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-light);
  margin-bottom: 0.7rem;
}
.filter-group__list { list-style: none; }
.filter-group__list li { margin-bottom: 0.4rem; }
.filter-link {
  font-size: 0.88rem;
  color: var(--ink-muted);
  text-decoration: none;
  display: block;
  padding: 0.3rem 0;
  transition: color 0.2s;
}
.filter-link:hover { color: var(--electric); }
.filter-link--active {
  color: var(--electric);
  font-weight: 700;
}

/* PRODUCT GRID */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}
.catalogue-empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 4rem 0;
  color: var(--ink-muted);
}

/* PRODUCT CARD */
.product-card {
  background: var(--white);
  border: 1px solid rgba(15,23,42,0.08);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s, transform 0.25s;
}
.product-card:hover {
  box-shadow: 0 12px 40px rgba(15,23,42,0.12);
  transform: translateY(-4px);
}
.product-card__image-link {
  display: block;
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #f0f0f0;
}
.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.product-card:hover .product-card__image { transform: scale(1.04); }
.product-card__badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--electric);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.3rem 0.6rem;
  border-radius: 100px;
}
.product-card__body {
  padding: 1.2rem 1.3rem 1.4rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-card__brand {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 0.4rem;
}
.product-card__name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.product-card__name a {
  text-decoration: none;
  color: inherit;
}
.product-card__name a:hover { color: var(--electric); }
.product-card__desc {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
}
.product-card__pricing {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.product-card__price {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--ink);
}
.product-card__old-price {
  font-size: 0.9rem;
  color: var(--ink-muted);
  text-decoration: line-through;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 100px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.btn--primary {
  background: var(--electric);
  color: var(--white);
}
.btn--primary:hover { background: #008acc; transform: translateY(-1px); }
.btn--secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--anthracite);
}
.btn--secondary:hover { background: var(--anthracite); color: var(--white); }
.btn--sm { padding: 0.5rem 1.2rem; font-size: 0.82rem; }

/* ============================================
   PRODUCT DETAIL PAGE
   ============================================ */

.product-detail-page { padding: 0 var(--gap) 5rem; }

.breadcrumb {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 0 1rem;
}
.breadcrumb a {
  font-size: 0.88rem;
  color: var(--ink-muted);
  text-decoration: none;
}
.breadcrumb a:hover { color: var(--electric); }

.product-detail {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.product-detail__gallery {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: #f0f0f0;
  aspect-ratio: 4/3;
}
.product-detail__main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-detail__badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--electric);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.4rem 0.9rem;
  border-radius: 100px;
}

.product-detail__info { padding-top: 0.5rem; }
.product-detail__brand {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 0.6rem;
}
.product-detail__name {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.8rem;
}
.product-detail__short-desc {
  font-size: 1rem;
  color: var(--ink-light);
  line-height: 1.6;
  margin-bottom: 2rem;
}
.product-detail__pricing {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 2rem;
}
.product-detail__price {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--ink);
}
.product-detail__old-price {
  font-size: 1.2rem;
  color: var(--ink-muted);
  text-decoration: line-through;
}

.product-detail__features {
  list-style: none;
  border: 1px solid rgba(15,23,42,0.1);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 2rem;
}
.spec-item {
  display: flex;
  justify-content: space-between;
  padding: 0.65rem 1.1rem;
  border-bottom: 1px solid rgba(15,23,42,0.06);
}
.spec-item:last-child { border-bottom: none; }
.spec-key {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-muted);
  text-transform: capitalize;
}
.spec-val {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  text-align: right;
}

.product-detail__cta { margin-top: 1.5rem; }
.product-detail__stock {
  font-size: 0.88rem;
  color: var(--ink-light);
  margin-bottom: 0.4rem;
}
.stock-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.4rem;
}
.stock-dot--green { background: #22c55e; }
.stock-dot--red { background: #ef4444; }
.product-detail__guarantee {
  font-size: 0.8rem;
  color: var(--ink-muted);
}

.product-detail__description-block {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 0;
  border-top: 1px solid rgba(15,23,42,0.1);
}
.section-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.product-detail__description {
  font-size: 0.95rem;
  color: var(--ink-light);
  line-height: 1.75;
  max-width: 680px;
}

.back-link {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* MOBILE RESPONSIVE */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero-image { display: flex; }
  .cat-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .phil-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .nav-links { display: none; }

  /* Catalogue */
  .catalogue-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .catalogue-filters { position: static; display: flex; gap: 1rem; overflow-x: auto; padding-bottom: 0.5rem; }
  .catalogue-filters__title { display: none; }
  .filter-group { margin-bottom: 0; }
  .filter-group__list { display: flex; gap: 0.5rem; flex-wrap: nowrap; }
  .products-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .product-card__name { font-size: 0.9rem; }
  .product-card__body { padding: 0.9rem 1rem 1rem; }
  .product-card__desc { display: none; }
  .product-card__price { font-size: 1.05rem; }

  /* Product detail */
  .product-detail { grid-template-columns: 1fr; gap: 2rem; }
  .product-detail__price { font-size: 1.8rem; }
}