:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --surface-2: #1c1c1c;
  --ink: #f2f2f2;
  --muted: #9a9a9a;
  --line: #2a2a2a;
  --accent: #ffffff;
  --accent-ink: #0a0a0a;
  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --header-h: 84px;
  --topbar-h: 38px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar {
  height: var(--topbar-h);
  background: #000;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.8125rem;
}

.topbar__inner,
.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar__left,
.topbar__right,
.topbar__item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.topbar__item {
  gap: 0.4rem;
}

.topbar__sep {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.2);
}

.topbar a:hover {
  color: #fff;
}

.topbar svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.9;
}

.lang {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.lang__btn {
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.45);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.lang__btn.is-active {
  color: #fff;
}

.nav {
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.brand__logo {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.nav__links a:hover,
.nav__links a.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  padding: 0.65rem 1.15rem;
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

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

.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn--primary:hover {
  background: #d8d8d8;
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.55);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--topbar-h) - var(--header-h));
  display: flex;
  align-items: center;
  background:
    linear-gradient(160deg, #000 0%, #121212 55%, #1a1a1a 100%),
    radial-gradient(ellipse at 70% 40%, rgba(255, 255, 255, 0.06), transparent 55%);
  color: #fff;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 85%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4.5rem 1.25rem 5rem;
  width: 100%;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 1rem;
  line-height: 1.05;
}

.hero__lead {
  max-width: 34rem;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.72);
  margin: 0 0 1.75rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.section {
  background: var(--surface);
  padding: 4.5rem 1.25rem;
}

.section--dark {
  background: var(--surface-2);
  color: #fff;
}

.section__inner {
  max-width: 960px;
  margin: 0 auto;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.section__text {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 40rem;
}

.section--dark .section__text {
  color: rgba(255, 255, 255, 0.7);
}

.page-main {
  min-height: calc(100vh - var(--topbar-h) - var(--header-h) - 4rem);
}

.product-list {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 40rem;
}

.product-list__item + .product-list__item {
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.product-list__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
  color: var(--ink);
}

.product-list__desc {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.contact-item {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.section--dark .contact-item {
  border-top-color: rgba(255, 255, 255, 0.12);
}

.contact-item__label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
  font-family: var(--font-display);
  font-weight: 600;
}

.section--dark .contact-item__label {
  color: rgba(255, 255, 255, 0.45);
}

.contact-item a {
  font-size: 1.15rem;
  font-weight: 600;
}

.contact-item a:hover {
  color: #fff;
}

.site-footer {
  background: #000;
  color: rgba(255, 255, 255, 0.55);
  padding: 1.25rem;
  text-align: center;
  font-size: 0.875rem;
}

.site-footer strong {
  color: #fff;
  font-weight: 600;
}

@media (max-width: 900px) {
  .nav__links {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav.is-open .nav__links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    left: 0;
    right: 0;
    top: calc(var(--topbar-h) + var(--header-h));
    background: var(--surface);
    padding: 1rem 1.25rem 1.25rem;
    border-bottom: 1px solid var(--line);
    gap: 0.85rem;
  }

  .nav {
    position: relative;
  }

  .topbar__left span:not(.topbar__sep),
  .topbar__item span {
    display: none;
  }

  .topbar__left .topbar__sep {
    display: none;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn:hover {
    transform: none;
  }
}