:root {
  color-scheme: dark;
  --bg: #06090f;
  --surface: #101621;
  --surface-2: #171e2a;
  --text: #f4f7fb;
  --muted: #aeb8c7;
  --line: rgba(255, 255, 255, .13);
  --blue: #1f8cff;
  --cyan: #22d3c5;
  --coral: #ff8066;
  --focus: #f7bf54;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.site-container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 10000; transform: translateY(-160%); background: #fff; color: #111; padding: 10px 14px; }
.skip-link:focus { transform: none; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 9, 15, .91);
  backdrop-filter: blur(18px);
}
.header-inner { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; min-width: max-content; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand span { display: grid; line-height: 1.05; }
.brand strong { font-size: .98rem; text-transform: uppercase; letter-spacing: .12em; }
.brand small { margin-top: 5px; color: #69b9ff; font-size: .68rem; text-transform: uppercase; letter-spacing: .18em; }
.site-navigation { display: flex; align-items: center; gap: 6px; }
.site-navigation > a { padding: 9px 12px; border-radius: 5px; color: #d5dce7; font-size: .88rem; font-weight: 600; text-decoration: none; }
.site-navigation > a:hover, .site-navigation > a[aria-current="page"] { background: rgba(255,255,255,.08); color: #fff; }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface); color: #fff; place-content: center; gap: 4px; cursor: pointer; }
.nav-toggle span { width: 19px; height: 2px; background: currentColor; }
.nav-toggle b { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.language-menu { position: relative; margin-left: 4px; }
.language-menu summary { display: grid; width: 40px; height: 40px; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); cursor: pointer; list-style: none; }
.language-menu summary::-webkit-details-marker { display: none; }
.language-menu-list { position: absolute; top: calc(100% + 9px); right: 0; display: grid; grid-template-columns: 42px; gap: 5px; width: 54px; padding: 6px; border: 1px solid var(--line); border-radius: 6px; background: #111722; box-shadow: 0 20px 55px rgba(0,0,0,.42); }
.language-menu-list a { display: grid; width: 40px; height: 40px; place-items: center; border-radius: 50%; text-decoration: none; }
.language-menu-list a:hover, .language-menu-list a[aria-current="true"] { background: rgba(255,255,255,.1); }
.flag-circle { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; overflow: hidden; background: #fff; box-shadow: 0 6px 16px rgba(0,0,0,.2), inset 0 0 0 1px rgba(0,0,0,.08); }
.flag-circle::before { content: none; }
.flag-en {
  background:
    linear-gradient(33deg, transparent 0 42%, #fff 42% 47%, #c8102e 47% 53%, #fff 53% 58%, transparent 58%),
    linear-gradient(-33deg, transparent 0 42%, #fff 42% 47%, #c8102e 47% 53%, #fff 53% 58%, transparent 58%),
    linear-gradient(90deg, transparent 0 42%, #fff 42% 46%, #c8102e 46% 54%, #fff 54% 58%, transparent 58%),
    linear-gradient(0deg, transparent 0 38%, #fff 38% 44%, #c8102e 44% 56%, #fff 56% 62%, transparent 62%),
    #012169;
}
.flag-de { background: linear-gradient(#000 0 33.33%, #dd0000 33.33% 66.66%, #ffce00 66.66%); }
.flag-fr { background: linear-gradient(90deg, #0055a4 0 33.33%, #fff 33.33% 66.66%, #ef4135 66.66%); }
.flag-es { background: linear-gradient(#aa151b 0 25%, #f1bf00 25% 75%, #aa151b 75%); }
.flag-zh { background: radial-gradient(circle at 35% 35%, #ffde00 0 3px, transparent 3.5px), #de2910; }
.flag-ru { background: linear-gradient(#fff 0 33.33%, #0039a6 33.33% 66.66%, #d52b1e 66.66%); }
.flag-bg { background: linear-gradient(#fff 0 33.33%, #00966e 33.33% 66.66%, #d62612 66.66%); }

.hero {
  position: relative;
  min-height: min(720px, calc(100vh - 68px));
  display: grid;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  background: #07101b url('/img/og-default.jpg?v=20260720-tools-only') center / cover no-repeat;
}
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(3,7,13,.97) 0%, rgba(3,7,13,.86) 42%, rgba(3,7,13,.28) 72%, rgba(3,7,13,.12) 100%); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; z-index: -1; height: 42%; background: linear-gradient(transparent, var(--bg)); }
.hero-content { width: min(720px, 66%); padding-block: 88px 120px; }
.eyebrow { margin: 0 0 18px; color: #67c8ff; font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .16em; }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(2.7rem, 6.2vw, 5.7rem); line-height: .98; letter-spacing: 0; text-wrap: balance; }
.hero .lead { max-width: 660px; margin: 26px 0 0; color: #d2dae6; font-size: clamp(1.05rem, 1.7vw, 1.28rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 9px; padding: 11px 18px; border: 1px solid transparent; border-radius: 5px; font-weight: 800; text-decoration: none; }
.button--primary { background: var(--blue); color: #04101b; }
.button--primary:hover { background: #64b5ff; }
.button--secondary { border-color: var(--line); background: rgba(10,16,25,.75); color: #fff; }
.button--secondary:hover { border-color: rgba(255,255,255,.32); background: #171f2b; }

.section { padding-block: 82px; }
.section--compact { padding-block: 56px; }
.section--line { border-top: 1px solid var(--line); }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading h1, .section-heading h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.7rem); line-height: 1.08; text-wrap: balance; }
.section-heading p:not(.eyebrow) { margin: 17px 0 0; color: var(--muted); font-size: 1.05rem; }

.tool-strip { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(270px, 31%); gap: 14px; padding: 3px 2px 18px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: inline mandatory; scrollbar-color: #3b4655 transparent; }
.tool-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.tool-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); scroll-snap-align: start; }
.tool-card:hover { border-color: rgba(64,167,255,.7); transform: translateY(-2px); }
.tool-card-media { aspect-ratio: 16 / 9; overflow: hidden; background: #0c111a; }
.tool-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .24s ease; }
.tool-card:hover .tool-card-media img { transform: scale(1.025); }
.tool-card-body { display: grid; min-height: 220px; grid-template-rows: auto auto 1fr auto; padding: 18px; }
.tool-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; color: #86d9d0; font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.tool-card h2, .tool-card h3 { margin: 0; font-size: 1.08rem; line-height: 1.28; }
.tool-card p { margin: 12px 0 18px; color: var(--muted); font-size: .88rem; line-height: 1.55; }
.tool-card a { display: inline-flex; width: max-content; align-items: center; gap: 6px; color: #74baff; font-size: .86rem; font-weight: 800; text-decoration: none; }
.tool-card a::after { content: "→"; }
.catalog-action { margin-top: 28px; }

.quality-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quality-item { padding: 30px; }
.quality-item + .quality-item { border-left: 1px solid var(--line); }
.quality-item h3 { margin: 0 0 9px; font-size: 1.16rem; }
.quality-item p { margin: 0; color: var(--muted); font-size: .92rem; }

.page-hero { border-bottom: 1px solid var(--line); background: linear-gradient(120deg, #0a1320, #0d1018 64%, #18111b); }
.page-hero .site-container { padding-block: 82px 68px; }
.page-hero h1 { max-width: 850px; margin: 0; font-size: clamp(2.4rem, 5vw, 4.8rem); line-height: 1.02; text-wrap: balance; }
.page-hero p:not(.eyebrow) { max-width: 720px; margin: 22px 0 0; color: var(--muted); font-size: 1.08rem; }
.prose { width: min(760px, calc(100% - 40px)); margin-inline: auto; }
.prose h2 { margin: 2.2em 0 .5em; font-size: 1.35rem; }
.prose p, .prose li { color: #c8d0dc; }
.prose a { color: #75bcff; }
.contact-line { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.contact-line a { color: #75bcff; font-weight: 800; text-decoration: none; }

.site-footer { border-top: 1px solid var(--line); background: #090d14; }
.footer-grid { display: grid; grid-template-columns: minmax(240px, 1fr) minmax(400px, auto); gap: 40px; align-items: start; padding-block: 50px; }
.brand--footer { width: max-content; }
.footer-brand p { margin: 16px 0 0; color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 18px; }
.footer-links a, .footer-links button { border: 0; background: transparent; color: #cdd5e0; cursor: pointer; font-size: .84rem; text-decoration: none; }
.footer-links a:hover, .footer-links button:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 18px; border-top: 1px solid var(--line); color: #808b9a; font-size: .76rem; }

@media (max-width: 980px) {
  .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-strip { grid-auto-columns: minmax(270px, 44%); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 760px) {
  .site-container { width: min(100% - 28px, var(--container)); }
  .nav-toggle { display: grid; }
  .site-navigation { position: absolute; top: 68px; left: 0; right: 0; display: none; align-items: stretch; flex-direction: column; padding: 14px; border-bottom: 1px solid var(--line); background: #090e16; }
  .site-navigation.is-open { display: flex; }
  .site-navigation > a { padding: 12px; }
  .language-menu { margin: 4px 0 0; }
  .language-menu-list { top: 0; right: auto; left: 50px; }
  .hero { min-height: 680px; background-position: 58% center; }
  .hero::before { background: linear-gradient(90deg, rgba(3,7,13,.96), rgba(3,7,13,.78)); }
  .hero-content { width: 100%; padding-block: 78px 105px; }
  .hero h1 { font-size: clamp(2.6rem, 13vw, 4.4rem); }
  .section { padding-block: 62px; }
  .tool-strip { grid-auto-columns: minmax(260px, 82%); }
  .quality-grid { grid-template-columns: 1fr; }
  .quality-item + .quality-item { border-top: 1px solid var(--line); border-left: 0; }
}

@media (max-width: 520px) {
  .tool-grid { grid-template-columns: 1fr; }
  .tool-strip { grid-auto-columns: 88%; }
  .tool-card-body { min-height: 205px; }
  .hero-actions .button { width: 100%; }
  .contact-line { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}