:root {
  color-scheme: dark;
  --bg: #060816;
  --bg-2: #0c1327;
  --panel: rgba(255,255,255,.08);
  --panel-strong: rgba(255,255,255,.13);
  --line: rgba(255,255,255,.14);
  --text: #f5f7ff;
  --muted: #9ca8c2;
  --accent: #58b8ff;
  --accent-2: #9b7cff;
  --accent-3: #ff57c4;
  --good: #4fe6b0;
  --shadow: 0 25px 70px rgba(0,0,0,.28);
  --radius: 22px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body.light {
  color-scheme: light;
  --bg: #f4f7ff;
  --bg-2: #ffffff;
  --panel: rgba(6,13,31,.06);
  --panel-strong: rgba(6,13,31,.1);
  --line: rgba(6,13,31,.12);
  --text: #07111f;
  --muted: #536274;
  --shadow: 0 24px 70px rgba(11,24,49,.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(88,184,255,.22), transparent 28rem),
    radial-gradient(circle at 88% 12%, rgba(155,124,255,.20), transparent 30rem),
    linear-gradient(145deg, var(--bg), var(--bg-2));
  line-height: 1.6;
}
body, button, input, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
img { max-width: 100%; display: block; height: auto; }
main { overflow-x: hidden; }
body { overflow-x: hidden; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.skip-link {
  position: fixed; left: 1rem; top: -4rem; z-index: 200; background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white; padding: .75rem 1rem; border-radius: 999px; transition: top .2s ease;
}
.skip-link:focus { top: 1rem; }
.loader {
  position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; background: rgba(6,8,22,.96); backdrop-filter: blur(18px);
  transition: opacity .45s ease, visibility .45s ease;
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader span {
  font-family: "Space Grotesk", sans-serif; font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text; color: transparent;
}
.site-header {
  position: sticky; top: 0; z-index: 200; backdrop-filter: blur(22px); background: rgba(6,8,22,.7); border-bottom: 1px solid var(--line);
}
body.light .site-header { background: rgba(244,247,255,.78); }
.nav-shell {
  width: min(1280px, calc(100% - 2rem)); min-height: 74px; margin: 0 auto; display: flex; align-items: center; gap: 1rem;
}
.brand {
  display: inline-flex; align-items: center; gap: .72rem; font-weight: 800; letter-spacing: -.02em; white-space: nowrap;
}
.brand-logo {
  width: 3px; height: 3px; object-fit: contain; border-radius: 12px; padding: .22rem; background: rgba(255,255,255,.08); box-shadow: 0 10px 24px rgba(88,184,255,.16);
}
.brand-text { line-height: 1.1; font-size: .95rem; }
.nav-links { display: flex; align-items: center; gap: .8rem; margin-left: auto; flex-wrap: wrap; }
.nav-item { position: relative; }
.nav-item > a, .submenu a { display: inline-flex; align-items: center; padding: .65rem .8rem; border-radius: 999px; color: var(--muted); transition: background .2s ease, color .2s ease; }
.nav-item:hover > a, .nav-item:focus-within > a, .submenu a:hover { background: rgba(255,255,255,.08); color: var(--text); }
.submenu {
  position: absolute; top: calc(100% + .45rem); left: 0; display: grid; gap: .25rem; min-width: 180px; padding: .55rem; border: 1px solid var(--line);
  border-radius: 18px; background: rgba(6,8,22,.9); box-shadow: var(--shadow); backdrop-filter: blur(18px); opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .2s ease;
}
.nav-item:hover .submenu, .nav-item:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-actions { display: flex; align-items: center; gap: .6rem; }
.icon-button, .pill-button, .secondary-button, .primary-button, .ghost-button, .tab, .chip {
  border: 1px solid var(--line); border-radius: 999px; background: var(--panel); color: var(--text); transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.icon-button:hover, .pill-button:hover, .secondary-button:hover, .primary-button:hover, .ghost-button:hover, .tab:hover, .chip:hover { transform: translateY(-1px); }
.icon-button { width: 44px; height: 44px; display: grid; place-items: center; }
.pill-button, .secondary-button, .primary-button, .ghost-button { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 48px; padding: .8rem 1.05rem; }
.primary-button { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; border-color: transparent; box-shadow: 0 16px 40px rgba(88,184,255,.2); }
.secondary-button { background: rgba(255,255,255,.08); }
.ghost-button { background: transparent; }
.nav-toggle { display: none; }
.hero { position: relative; isolation: isolate; min-height: calc(100vh - 74px); display: grid; align-items: center; padding: 4rem 0; }
.hero-background {
  position: absolute; inset: 0; z-index: -1; overflow: hidden; opacity: .95;
}
.grid-plane {
  position: absolute; inset: 4% -8% -12%; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 54px 54px; transform: perspective(800px) rotateX(64deg); transform-origin: top; opacity: .45;
}
.signal, .orb {
  position: absolute; border-radius: 50%; filter: blur(.2px);
}
.signal { width: 36vw; aspect-ratio: 1; border: 1px solid rgba(88,184,255,.19); }
.signal-a { right: -10vw; top: 8vh; }
.signal-b { left: -12vw; bottom: 6vh; }
.orb { width: 20rem; height: 20rem; background: radial-gradient(circle, rgba(255,255,255,.16), transparent 70%); filter: blur(30px); }
.orb-a { top: 10%; right: 10%; }
.orb-b { bottom: 10%; left: 14%; }
.hero-content, .section, .site-footer { width: min(1200px, calc(100% - 2rem)); margin: 0 auto; }
.hero-content { padding: 3rem 0 2.5rem; }
.hero h1, .page-hero h1, .section h2 { font-family: "Space Grotesk", sans-serif; line-height: .95; margin: 0 0 1rem; letter-spacing: -.03em; }
.hero h1 { font-size: clamp(2.8rem, 6vw, 5.7rem); max-width: 900px; }
.page-hero { padding: 4rem 0 2rem; }
.page-hero h1 { font-size: clamp(2.2rem, 4.8vw, 3.2rem); }
.eyebrow {
  display: inline-flex; margin: 0 0 .95rem; color: var(--good); text-transform: uppercase; letter-spacing: .2em; font-weight: 800; font-size: .75rem;
}
.hero-copy, .section p, .glass-card p, .detail-card p, .table-card p, .form-card p, .stack p { color: var(--muted); }
.hero-copy { max-width: 760px; font-size: clamp(1.02rem, 2.1vw, 1.2rem); margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.counter-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .9rem; margin-top: 3rem; }
.glass-panel, .glass-card, .detail-card, .table-card, .form-card, .stack { border: 1px solid var(--line); background: linear-gradient(180deg, var(--panel-strong), var(--panel)); backdrop-filter: blur(20px); border-radius: var(--radius); box-shadow: var(--shadow); }
.glass-panel { padding: 1rem; }
.counter-grid strong { display: block; font-size: clamp(1.5rem, 2.8vw, 2.2rem); font-family: "Space Grotesk", sans-serif; }
.counter-grid span { color: var(--muted); font-size: .92rem; }
.section { padding: 4rem 0; }
.section-heading { max-width: 820px; margin-bottom: 1.7rem; }
.card-grid, .content-grid, .detail-grid, .hero-grid { display: grid; gap: 1rem; }
.card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.content-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.hero-grid { grid-template-columns: 1.2fr .8fr; align-items: start; }
.glass-card, .detail-card, .form-card, .stack { padding: 1.2rem; }
.glass-card h3, .detail-card h3, .table-card h3, .form-card h3, .stack h3 { margin: 0 0 .45rem; font-size: 1.08rem; }
.inline-link { color: var(--accent); font-weight: 700; }
.list-stack { display: grid; gap: .7rem; margin-top: .7rem; }
.list-stack div { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: .6rem; border-bottom: 1px solid var(--line); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.full { grid-column: 1 / -1; }
label { display: grid; gap: .45rem; color: var(--muted); font-size: .92rem; font-weight: 700; }
input, textarea, select { width: 100%; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.06); color: var(--text); padding: .85rem .95rem; outline: none; }
body.light input, body.light textarea, body.light select { background: rgba(255,255,255,.82); }
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
.table-card { padding: 0; overflow: hidden; }
.table-card table { width: 100%; border-collapse: collapse; }
.table-card th, .table-card td { padding: .95rem 1rem; text-align: left; border-bottom: 1px solid var(--line); }
.table-card th { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .16em; }
.table-card tbody tr:hover { background: rgba(255,255,255,.05); }
.chip { display: inline-flex; padding: .35rem .7rem; font-size: .8rem; color: var(--good); background: rgba(79,230,176,.12); }
.site-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 2rem 0 3rem; align-items: center; }
.newsletter { display: flex; gap: .7rem; align-items: center; }
.newsletter input { min-width: 280px; }
.modal {
  width: min(720px, calc(100% - 2rem)); padding: 1.2rem; border: 1px solid var(--line); border-radius: 24px; background: rgba(6,8,22,.95); color: var(--text); box-shadow: var(--shadow);
}
body.light .modal { background: rgba(244,247,255,.96); }
.modal::backdrop { background: rgba(3,5,12,.72); backdrop-filter: blur(8px); }
.close-modal { position: absolute; top: 1rem; right: 1rem; }
.modal h2 { margin-top: .4rem; }
.search-results { display: grid; gap: .65rem; margin-top: 1rem; }
.search-results a { display: block; padding: .8rem .9rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.06); }
.chatbot { position: fixed; right: 1rem; bottom: 1rem; z-index: 250; }
.chat-toggle { width: 56px; height: 56px; border: 0; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; box-shadow: var(--shadow); }
.chat-window { display: none; width: min(320px, calc(100vw - 2rem)); padding: 1rem; border: 1px solid var(--line); border-radius: 20px; background: rgba(6,8,22,.95); box-shadow: var(--shadow); margin-bottom: .7rem; }
.chatbot.open .chat-window { display: block; }
#chatLog { display: grid; gap: .6rem; margin: 1rem 0; font-size: .92rem; }
.cookie { position: fixed; left: 50%; bottom: 1rem; transform: translateX(-50%); z-index: 240; display: flex; gap: 1rem; align-items: center; padding: .95rem 1rem; border: 1px solid var(--line); border-radius: 999px; background: rgba(6,8,22,.9); backdrop-filter: blur(18px); box-shadow: var(--shadow); }
.cookie.hidden { display: none; }
.toast {
  position: fixed; left: 50%; bottom: 7rem; transform: translateX(-50%) translateY(12px); opacity: 0; visibility: hidden; padding: .8rem 1rem; border-radius: 999px;
  background: rgba(6,8,22,.92); border: 1px solid var(--line); transition: all .2s ease; z-index: 260;
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (max-width: 1024px) {
  .counter-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-grid, .detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 980px) {
  .card-grid, .content-grid, .detail-grid, .hero-grid, .counter-grid { grid-template-columns: 1fr 1fr; }
  .site-footer, .newsletter { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 760px) {
  .nav-shell { width: min(1280px, calc(100% - 1.25rem)); min-height: auto; padding: .7rem 0; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .nav-links {
    position: fixed; inset: 76px 1rem auto 1rem; display: none; padding: 1rem; border: 1px solid var(--line); border-radius: 24px; background: rgba(6,8,22,.96); backdrop-filter: blur(24px); z-index: 210; max-height: calc(100dvh - 90px); overflow-y: auto;
  }
  .nav-links.open { display: grid; }
  .nav-item > a, .submenu a { padding: .75rem .85rem; }
  .nav-item:hover .submenu, .nav-item:focus-within .submenu { position: static; display: grid; opacity: 1; visibility: visible; transform: none; margin: .25rem 0 0 .4rem; }
  .nav-actions { margin-left: auto; }
  .hero { min-height: auto; padding: 2rem 0 1.25rem; }
  .hero-content, .section, .site-footer { width: min(100%, calc(100% - 1.25rem)); }
  .hero h1 { font-size: clamp(2.3rem, 10vw, 3.3rem); }
  .hero-copy { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .card-grid, .content-grid, .detail-grid, .hero-grid, .counter-grid, .form-grid { grid-template-columns: 1fr; }
  .glass-card, .glass-panel, .detail-card, .table-card, .form-card, .stack { padding: 1rem; border-radius: 20px; }
  .site-footer { padding-bottom: 6rem; }
  .cookie { left: .75rem; right: .75rem; bottom: .75rem; transform: none; border-radius: 24px; flex-wrap: wrap; }
  .newsletter input { min-width: 0; width: 100%; }
  .chatbot { right: .75rem; bottom: .75rem; }
}
@media (max-width: 480px) {
  .brand { gap: .55rem; }
  .brand-logo { width: 38px; height: 38px; }
  .nav-actions .icon-button:nth-child(2) { display: none; }
  .hero-actions .primary-button, .hero-actions .secondary-button, .hero-actions .ghost-button { width: 100%; }
  .counter-grid { grid-template-columns: 1fr; }
}