/* ============================================================
   Linked LLC — styles
   ============================================================ */
:root {
  --bg: #05060a;
  --bg-2: #0a0c14;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-2: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --text: #e9ecf5;
  --muted: #8b91a7;
  --dim: #5b6178;
  --a1: #7c5cff;   /* violet */
  --a2: #22d3ee;   /* cyan */
  --a3: #a3ff7a;   /* signal green */
  --grad: linear-gradient(100deg, var(--a2) 0%, var(--a1) 55%, #ff6ad5 100%);
  --radius: 18px;
  --maxw: 1180px;
  --f-display: "Space Grotesk", system-ui, sans-serif;
  --f-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
::selection { background: var(--a1); color: #fff; }
.dim { color: var(--dim); }

/* ---------- background layers ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  opacity: .55;
}
body::before {
  content: ""; position: fixed; z-index: -3; pointer-events: none;
  width: 900px; height: 900px; left: 50%; top: -420px; transform: translateX(-50%);
  background: radial-gradient(circle, rgba(124, 92, 255, .28), rgba(34, 211, 238, .08) 45%, transparent 70%);
  filter: blur(20px);
}
#net {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: -1; pointer-events: none; opacity: .55;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  max-width: var(--maxw); margin: 0 auto; padding: 18px 24px;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}
.nav::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2), transparent);
  opacity: 0; transition: opacity .3s;
}
.nav.scrolled::after { opacity: 1; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-display); font-weight: 700; font-size: 20px; letter-spacing: -.02em; }
.brand-mark { width: 28px; height: 28px; fill: var(--a2); stroke: var(--a1); }
.nav-links { display: flex; gap: 30px; font-size: 14px; color: var(--muted); }
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: var(--text); }

/* ---------- buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px; border: 0; cursor: pointer;
  font: 600 15px/1 var(--f-body); color: #05060a;
  background: linear-gradient(100deg, #fff, #dfe4ff);
  box-shadow: 0 0 0 1px rgba(255,255,255,.2), 0 10px 40px -10px rgba(124, 92, 255, .7);
  transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(255,255,255,.3), 0 18px 50px -12px rgba(34, 211, 238, .8); }
.btn-small { padding: 10px 16px; font-size: 13px; }
.btn-ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.btn-ghost:hover { background: var(--panel-2); box-shadow: inset 0 0 0 1px rgba(255,255,255,.3); }

/* ---------- typography ---------- */
h1, h2, h3 { font-family: var(--f-display); letter-spacing: -.03em; margin: 0; }
h1 { font-size: clamp(42px, 6.4vw, 84px); line-height: 1.0; font-weight: 700; }
h2 { font-size: clamp(32px, 4.4vw, 56px); line-height: 1.05; font-weight: 600; }
h3 { font-size: 20px; line-height: 1.25; font-weight: 600; letter-spacing: -.015em; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(17px, 1.5vw, 19px); color: var(--muted); max-width: 560px; margin: 26px 0 34px; }
.eyebrow, .kicker {
  font-family: var(--f-mono); font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 22px;
}
.kicker.accent { color: var(--a2); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px; border: 1px solid var(--line-2); border-radius: 999px; background: var(--panel); }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--a3); box-shadow: 0 0 0 0 rgba(163,255,122,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(163,255,122,0); } 100% { box-shadow: 0 0 0 0 rgba(163,255,122,0); } }

/* ---------- layout ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: 120px 24px; }
.section-head { max-width: 720px; margin-bottom: 60px; }
.sub { color: var(--muted); font-size: 17px; margin: 18px 0 0; }

/* ---------- hero ---------- */
.hero {
  max-width: var(--maxw); margin: 0 auto; padding: 80px 24px 100px;
  display: grid; grid-template-columns: minmax(0,1.1fr) minmax(0,1fr); gap: 56px; align-items: center;
  min-height: min(calc(100vh - 80px), 860px);
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-tags { list-style: none; padding: 0; margin: 40px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.hero-tags li { font: 500 12px var(--f-mono); color: var(--muted); padding: 6px 12px; border-radius: 8px; background: var(--panel); border: 1px solid var(--line); }

/* inspector */
.inspector {
  border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(180deg, rgba(20,22,34,.85), rgba(10,12,20,.9));
  border: 1px solid var(--line-2);
  box-shadow: 0 40px 120px -40px rgba(124,92,255,.55), 0 0 0 1px rgba(255,255,255,.02) inset;
  transform: perspective(1400px) rotateY(-8deg) rotateX(4deg);
  transition: transform .6s cubic-bezier(.2,.8,.2,1);
}
.inspector:hover { transform: perspective(1400px) rotateY(0) rotateX(0); }
.inspector-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #333; }
.dot.r { background: #ff5f57; } .dot.y { background: #febc2e; } .dot.g { background: #28c840; }
.inspector-title { margin-left: 10px; font: 12px var(--f-mono); color: var(--dim); }
.inspector-body { display: grid; grid-template-columns: 1fr 120px; gap: 18px; padding: 18px; }
.heatmap { display: grid; grid-template-columns: repeat(14, 1fr); gap: 3px; aspect-ratio: 1; }
.heatmap i { border-radius: 2px; background: var(--a1); opacity: .06; transition: opacity 1.2s ease, background-color 1.2s ease; }
.layers { display: flex; flex-direction: column; justify-content: space-between; gap: 4px; }
.layers .l { display: flex; align-items: center; gap: 8px; font: 10px var(--f-mono); color: var(--dim); }
.layers .bar { flex: 1; height: 6px; border-radius: 3px; background: var(--line); overflow: hidden; }
.layers .bar span { display: block; height: 100%; background: var(--grad); border-radius: 3px; transition: width 1.4s cubic-bezier(.2,.8,.2,1); }
.term {
  margin: 0; padding: 14px 18px 18px; min-height: 148px; border-top: 1px solid var(--line);
  font: 12px/1.7 var(--f-mono); color: var(--muted); white-space: pre-wrap;
}
.term .ok { color: var(--a3); } .term .k { color: var(--a2); } .term .v { color: #ff9be6; }
.term .cursor { display: inline-block; width: 7px; height: 13px; background: var(--a2); vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- marquee ---------- */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 22px 0; background: rgba(255,255,255,.015);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: marquee 40s linear infinite; }
.marquee-track span { font: 500 15px var(--f-mono); color: var(--dim); white-space: nowrap; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  position: relative; padding: 30px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line);
  transition: border-color .3s, transform .3s, background .3s;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(124,92,255,.16), transparent 50%);
}
.card:hover { border-color: var(--line-2); transform: translateY(-4px); }
.card:hover::before { opacity: 1; }
.card h3 { margin: 22px 0 10px; }
.card p { color: var(--muted); margin: 0 0 22px; font-size: 15px; }
.card-ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(124,92,255,.25), rgba(34,211,238,.12)); border: 1px solid var(--line-2); }
.card-ico svg { width: 22px; height: 22px; fill: none; stroke: #fff; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card-tag { font: 11.5px var(--f-mono); color: var(--a2); letter-spacing: .04em; }

/* ---------- contrast ---------- */
.contrast { padding-top: 40px; }
.contrast-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contrast-col { padding: 40px; border-radius: var(--radius); border: 1px solid var(--line); }
.contrast-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.contrast-col li { display: flex; gap: 14px; align-items: flex-start; font-size: 17px; }
.contrast-col.muted { background: transparent; }
.contrast-col.muted li { color: var(--dim); }
.contrast-col.muted li::before { content: "—"; color: var(--dim); }
.contrast-col.bright { background: linear-gradient(160deg, rgba(124,92,255,.14), rgba(34,211,238,.05)); border-color: rgba(124,92,255,.35); }
.contrast-col.bright li::before { content: "→"; color: var(--a2); font-family: var(--f-mono); }

/* ---------- steps ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.steps::before { content: ""; position: absolute; left: 0; right: 0; top: 22px; height: 1px; background: linear-gradient(90deg, var(--a2), var(--a1), transparent); }
.step { padding: 0 24px 0 0; }
.step-n {
  position: relative; display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  font: 500 13px var(--f-mono); background: var(--bg); border: 1px solid var(--line-2); color: var(--a2); margin-bottom: 26px;
}
.step h3 { margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 15px; margin: 0; }

/* ---------- frontier ---------- */
.frontier { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.f-item { padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .3s; }
.f-item:nth-child(3n) { border-right: 0; }
.f-item:nth-last-child(-n+3) { border-bottom: 0; }
.f-item:hover { background: var(--panel); }
.f-label { display: inline-block; font: 11px var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--a3); margin-bottom: 16px; }
.f-item h3 { margin-bottom: 10px; }
.f-item p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- products ---------- */
.products-inner {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center;
  padding: 56px; border-radius: 28px; border: 1px solid var(--line-2);
  background:
    radial-gradient(600px circle at 100% 0%, rgba(34,211,238,.14), transparent 60%),
    radial-gradient(600px circle at 0% 100%, rgba(124,92,255,.18), transparent 60%),
    var(--bg-2);
}
.stores { display: grid; gap: 14px; }
.store { display: flex; align-items: center; gap: 16px; padding: 16px 22px; border-radius: 14px; background: #000; border: 1px solid var(--line-2); }
.store svg { width: 28px; height: 28px; fill: #fff; flex: none; }
.store span { font: 600 19px/1.15 var(--f-display); }
.store small { display: block; font: 400 11px var(--f-body); color: var(--muted); letter-spacing: .02em; }

/* ---------- company ---------- */
.company-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.company-card { margin: 0; padding: 12px 32px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); }
.company-card > div { display: grid; grid-template-columns: 180px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.company-card > div:last-child { border-bottom: 0; }
.company-card dt { font: 12px var(--f-mono); color: var(--dim); text-transform: uppercase; letter-spacing: .06em; padding-top: 3px; }
.company-card dd { margin: 0; font-size: 15px; }
.company-card a { color: var(--a2); }
.company-card a:hover { text-decoration: underline; }

/* ---------- contact ---------- */
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 14px; }
.contact-list li { display: grid; grid-template-columns: 80px 1fr; font-size: 15px; }
.contact-list span { font: 12px var(--f-mono); color: var(--dim); text-transform: uppercase; letter-spacing: .06em; padding-top: 3px; }
.contact-list a { color: var(--a2); }
.contact-form { display: grid; gap: 16px; padding: 32px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line-2); }
.contact-form label { display: grid; gap: 8px; font-size: 13px; color: var(--muted); font-weight: 500; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 13px 15px; border-radius: 10px; border: 1px solid var(--line-2);
  background: rgba(0,0,0,.35); color: var(--text); font: 15px var(--f-body); resize: vertical;
  transition: border-color .2s, box-shadow .2s;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--a1); box-shadow: 0 0 0 4px rgba(124,92,255,.18); }
.contact-form .invalid { border-color: #ff5f7a; }
.contact-form .btn { justify-self: start; margin-top: 6px; }
.form-note { margin: 0; font-size: 12px; color: var(--dim); }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); margin-top: 40px; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 40px 24px 56px; display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer-small { font-size: 13px; color: var(--dim); margin: 14px 0 0; }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; align-items: flex-start; font-size: 14px; color: var(--muted); }
.footer-links a:hover { color: var(--text); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.inspector.reveal.in { transform: perspective(1400px) rotateY(-8deg) rotateX(4deg); }
.inspector.reveal.in:hover { transform: perspective(1400px) rotateY(0) rotateX(0); }

/* ---------- legal pages ---------- */
.legal { max-width: 780px; margin: 0 auto; padding: 60px 24px 100px; }
.legal h1 { font-size: clamp(36px, 5vw, 56px); margin-bottom: 12px; }
.legal h2 { font-size: 24px; margin: 44px 0 12px; letter-spacing: -.02em; }
.legal p, .legal li { color: #c3c8d8; }
.legal a { color: var(--a2); }
.legal .updated { font: 13px var(--f-mono); color: var(--dim); }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .hero { grid-template-columns: minmax(0,1fr); min-height: 0; padding-top: 50px; }
  .inspector, .inspector.reveal.in { transform: none; max-width: 560px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .frontier { grid-template-columns: 1fr 1fr; }
  .f-item:nth-child(3n) { border-right: 1px solid var(--line); }
  .f-item:nth-child(2n) { border-right: 0; }
  .f-item:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .f-item:nth-last-child(-n+2) { border-bottom: 0; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .steps::before { display: none; }
  .products-inner, .contact-inner { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .section { padding: 80px 16px; }
  .hero { padding-inline: 16px; }
  .nav { padding-inline: 16px; }
  .cards, .frontier, .steps, .contrast-grid { grid-template-columns: 1fr; }
  .f-item { border-right: 0 !important; border-bottom: 1px solid var(--line) !important; }
  .f-item:last-child { border-bottom: 0 !important; }
  .contrast-col, .products-inner { padding: 28px; }
  .company-card { padding: 4px 20px; }
  .company-card > div { grid-template-columns: 1fr; gap: 4px; }
  .inspector-body { grid-template-columns: 1fr 90px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}