:root {
  color-scheme: dark;
  --color-bg: #050814;
  --color-surface: rgba(13, 20, 37, 0.9);
  --color-surface-solid: #10172a;
  --color-border: rgba(148, 163, 184, 0.18);
  --color-text: #f8fafc;
  --color-muted: #94a3c8;
  --color-primary: #38bdf8;
  --shadow-header: 0 18px 36px rgba(2, 8, 20, 0.55);
  --shadow-card: 0 24px 48px rgba(2, 8, 20, 0.42);
}

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

body {
  font-family: 'Poppins', 'Segoe UI', sans-serif;
  line-height: 1.6;
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 58%), var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
}

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

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
}

.shell {
  width: min(1120px, 100% - 3rem);
  margin: 0 auto;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.7rem;
  color: var(--color-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.6rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: #020617;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 18px 42px rgba(56, 189, 248, 0.32);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 26px 52px rgba(56, 189, 248, 0.4);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(5, 8, 20, 0.88);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-header);
}

.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(0.75rem, 2vw, 1.8rem);
  padding: 0.65rem 0;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
}

.brand__name {
  font-weight: 600;
  font-size: 0.95rem;
}

.brand__tagline {
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--color-muted);
}

.site-nav {
  display: flex;
  gap: clamp(0.6rem, 2vw, 1.4rem);
}

.site-nav a {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--color-muted);
  position: relative;
  padding-bottom: 0.2rem;
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: transparent;
  transition: background 0.2s ease, transform 0.2s ease;
  transform: scaleX(0);
  transform-origin: left;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-primary);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  background: var(--color-primary);
  transform: scaleX(1);
}

.whatsapp-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: #22c55e;
  color: #021311;
  box-shadow: 0 16px 32px rgba(34, 197, 94, 0.36);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-badge:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 22px 40px rgba(34, 197, 94, 0.42);
}

.hero {
  padding: clamp(2.5rem, 8vw, 4.5rem) 0;
}

.hero__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(1.8rem, 4vw, 3rem);
  align-items: center;
}

.hero__content h1 {
  font-size: clamp(2.2rem, 4.8vw, 3.4rem);
  line-height: 1.1;
  margin: 1rem 0 1.4rem;
}

.hero__content p {
  max-width: 520px;
  color: var(--color-muted);
  margin-bottom: 1.6rem;
}

.hero__media img {
  box-shadow: var(--shadow-card);
}

.highlight {
  padding: clamp(1.5rem, 6vw, 2.8rem) 0;
}

.highlight__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.4rem;
}

.highlight__card {
  padding: 1.6rem;
  border-radius: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.highlight__card h2 {
  margin-bottom: 0.6rem;
}

.catalog {
  padding: clamp(2.5rem, 8vw, 4.5rem) 0;
}

.catalog__header {
  text-align: center;
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2.4rem;
}

.catalog__nav {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem 1rem;
}

.catalog__nav a {
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: 0.2rem 0;
}

.catalog__nav a:hover,
.catalog__nav a:focus-visible {
  color: var(--color-primary);
}

.category {
  padding: 2.6rem 0 0;
}

.category h3 {
  font-size: 1.6rem;
  margin: 0.6rem 0 1.6rem;
}

.products {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  padding: 1rem;
  background: var(--color-surface);
  border-radius: 20px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  min-height: 100%;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 46px rgba(2, 8, 20, 0.48);
}

.product-card h4 {
  font-size: 0.95rem;
}

.product-card p {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.contact {
  padding: clamp(2.8rem, 8vw, 4.5rem) 0;
}

.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  align-items: start;
}

.contact__list {
  list-style: none;
  display: grid;
  gap: 1.2rem;
}

.contact__list span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.25rem;
}

.site-footer {
  padding: 2rem 0 2.8rem;
  background: rgba(7, 11, 22, 0.9);
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  align-items: center;
}

.site-footer__links {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  color: var(--color-primary);
}

.site-footer__legal {
  color: var(--color-muted);
  font-size: 0.78rem;
}

@media (max-width: 1200px) {
  .products {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .site-nav {
    gap: 0.75rem;
  }

  .products {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .catalog__nav {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .site-header .shell {
    padding: 0.55rem 0;
  }

  .site-nav {
    display: none;
  }

  .shell {
    width: min(100%, 92vw);
  }

  .products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog__header {
    text-align: left;
  }

  .catalog__nav {
    gap: 0.4rem 0.75rem;
  }
}

@media (max-width: 480px) {
  .products {
    grid-template-columns: 1fr;
  }

  .product-card {
    padding: 0.9rem;
  }

  .whatsapp-badge {
    width: 32px;
    height: 32px;
  }
}