:root {
  --bg: #f7f9ff;
  --paper: rgba(255,255,255,.82);
  --ink: #101828;
  --muted: #667085;
  --soft: #eef4ff;
  --line: rgba(148,163,184,.28);
  --blue: #2563eb;
  --blue-2: #1d4ed8;
  --violet: #7c3aed;
  --cyan: #06b6d4;
  --green: #16a34a;
  --radius: 24px;
  --shadow: 0 28px 80px rgba(15,23,42,.13);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 18% 0%, #dbeafe 0, transparent 29rem), radial-gradient(circle at 86% 12%, #ede9fe 0, transparent 30rem), var(--bg);
  color: var(--ink);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
code { padding: 2px 6px; border-radius: 8px; background: #eef2ff; color: #344054; font-size: .94em; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; position: relative; z-index: 1; }
.ambient { position: fixed; inset: auto; width: 360px; height: 360px; filter: blur(18px); opacity: .34; pointer-events: none; z-index: 0; border-radius: 999px; }
.ambient-one { top: 8%; left: -120px; background: #93c5fd; }
.ambient-two { right: -140px; bottom: 16%; background: #c4b5fd; }
.site-header {
  height: 82px; display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 850; font-size: 21px; letter-spacing: -.04em; }
.brand-mark { color: var(--blue); }
nav { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 14px; }
nav a { padding: 10px 12px; border-radius: 999px; transition: .2s ease; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); background: rgba(255,255,255,.72); }
.nav-cta { color: white; background: #101828; box-shadow: 0 12px 28px rgba(16,24,40,.14); }
.nav-cta:hover { color: white; background: #1f2937; }
.nav-toggle { display: none; border: 1px solid var(--line); background: white; border-radius: 999px; padding: 9px 13px; font-weight: 750; }
.hero { padding: 96px 0 52px; text-align: center; }
.pill, .mini-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px; border: 1px solid #cfe0ff; background: rgba(255,255,255,.66); color: #1e40af; border-radius: 999px; font-size: 13px; font-weight: 750; box-shadow: 0 10px 30px rgba(37,99,235,.08); }
.mini-pill { color: #475467; border-color: var(--line); box-shadow: none; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 6px rgba(22,163,74,.12); }
h1 { margin: 22px auto 18px; max-width: 930px; font-size: clamp(44px, 7.5vw, 86px); line-height: .94; letter-spacing: -.075em; }
.lead { max-width: 790px; margin: 0 auto; color: var(--muted); font-size: clamp(18px, 2vw, 21px); line-height: 1.68; }
.hero-actions { margin-top: 30px; display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 19px; border-radius: 15px; font-weight: 800; border: 1px solid var(--line); background: rgba(255,255,255,.78); transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 15px 30px rgba(15,23,42,.1); }
.btn.primary { background: linear-gradient(135deg, var(--blue), var(--cyan)); color: white; border-color: transparent; box-shadow: 0 16px 34px rgba(37,99,235,.25); }
.showcase-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; padding: 18px 0 34px; }
.tool-card { position: relative; overflow: hidden; min-height: 380px; padding: 28px; border-radius: 32px; background: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.7); box-shadow: var(--shadow); backdrop-filter: blur(16px); }
.card-glow { position: absolute; inset: -30% -10% auto auto; width: 260px; height: 260px; border-radius: 999px; opacity: .22; background: var(--blue); }
.accent-violet .card-glow { background: var(--violet); }
.tool-card-head { position: relative; display:flex; justify-content:space-between; align-items:center; }
.arrow { width: 38px; height: 38px; display:grid; place-items:center; border-radius: 999px; background: #101828; color:white; }
.tool-card h3 { position: relative; margin: 68px 0 12px; font-size: clamp(42px, 6vw, 72px); letter-spacing: -.07em; }
.tool-card p { position: relative; color: var(--muted); line-height: 1.65; max-width: 470px; }
.card-link { position: absolute; left: 28px; bottom: 28px; color: var(--blue); font-weight: 850; }
.stats-strip { margin: 20px 0 34px; padding: 20px; display:grid; grid-template-columns: repeat(3,1fr); gap: 14px; border: 1px solid var(--line); border-radius: 28px; background: rgba(255,255,255,.62); backdrop-filter: blur(14px); }
.stats-strip div { padding: 14px; }
.stats-strip strong { display:block; font-size:20px; letter-spacing:-.03em; }
.stats-strip span { color: var(--muted); line-height:1.55; }
section.info { padding: 62px 0; }
.split { display: grid; grid-template-columns: .82fr 1.18fr; gap: 72px; align-items: start; }
.glass-panel { margin: 34px 0 20px; padding: 42px !important; border-radius: 32px; background: rgba(255,255,255,.58); border:1px solid rgba(255,255,255,.7); box-shadow: var(--shadow); }
h2 { margin: 0; font-size: clamp(32px, 4vw, 50px); line-height: 1.03; letter-spacing: -.055em; }
h3 { margin: 0 0 10px; font-size: 22px; letter-spacing: -.02em; }
.section-copy { color: var(--muted); line-height: 1.75; font-size: 17px; margin-top: 16px; }
.list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.list li { display: grid; grid-template-columns: 190px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.list strong { font-size: 16px; }
.list span { color: var(--muted); line-height: 1.65; }
.product-stage { padding: 10px 0 52px; }
.product-shot.upgraded { max-width: 960px; margin: 0 auto; background: rgba(15,23,42,.92); border: 1px solid rgba(255,255,255,.14); border-radius: 30px; box-shadow: 0 35px 90px rgba(15,23,42,.24); overflow: hidden; }
.app-toolbar { display:flex; align-items:center; gap:12px; min-height: 54px; padding: 0 18px; background: linear-gradient(180deg, rgba(30,41,59,.92), rgba(15,23,42,.94)); color: #cbd5e1; border-bottom: 1px solid rgba(255,255,255,.1); }
.app-icon { width: 30px; height: 30px; display:grid; place-items:center; border-radius: 8px; background: linear-gradient(135deg, var(--blue), var(--cyan)); color:white; font-weight:850; box-shadow: inset 0 0 0 1px rgba(255,255,255,.18); }
.bar-title { font-size: 13px; font-weight: 750; }
.window-chip { margin-left:auto; padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); color:#e2e8f0; font-size:12px; font-weight:750; }
.mock-app { min-height: 420px; padding: 26px; display:grid; grid-template-columns: 240px 1fr; gap: 22px; color: white; }
.mock-app aside, .mock-main, .image-tile { border: 1px solid rgba(255,255,255,.12); border-radius: 22px; background: rgba(255,255,255,.07); padding: 20px; }
.mock-app aside { display:grid; gap:12px; align-content:start; }
.mock-app aside span { padding: 12px; border-radius: 12px; background: rgba(255,255,255,.08); color:#cbd5e1; }
.mock-main p { color:#cbd5e1; line-height:1.65; }
.wave { height: 140px; margin-top: 70px; border-radius: 18px; background: repeating-linear-gradient(90deg, rgba(96,165,250,.95) 0 8px, transparent 8px 18px); mask: linear-gradient(to top, transparent 0, black 15%, black 85%, transparent 100%); }
.vxlt-mock { grid-template-columns: 1fr 1.1fr; }
.image-tile { display:grid; place-items:center; min-height: 340px; font-weight:850; font-size:58px; color:#ddd6fe; background: linear-gradient(135deg, rgba(124,58,237,.4), rgba(6,182,212,.22)); }
.scan-line { height: 5px; width: 100%; margin-top: 90px; border-radius: 999px; background: linear-gradient(90deg, transparent, #22d3ee, transparent); animation: scan 2.6s ease-in-out infinite; }
@keyframes scan { 0%,100%{ transform: translateY(-44px); opacity:.25; } 50%{ transform: translateY(44px); opacity:1; } }
.caption { text-align:center; color:var(--muted); margin-top: 18px; }
.download-band { margin: 18px 0 58px; background: linear-gradient(135deg, #101828, #1e293b); color: white; border-radius: 32px; padding: 40px; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; box-shadow: var(--shadow); }
.download-band p { color: #cbd5e1; margin: 10px 0 0; line-height: 1.6; }
.download-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.download-actions .btn { background: white; color: #101828; border-color: white; }
.download-actions .btn.secondary { background: transparent; color: white; border-color: rgba(255,255,255,.25); }
details { border-bottom: 1px solid var(--line); padding: 20px 0; }
summary { cursor: pointer; font-weight: 800; font-size: 17px; }
details p, details ol { color: var(--muted); line-height: 1.7; }
.hashes { display: grid; gap: 12px; margin-top: 16px; color: var(--muted); }
.hash { padding: 15px 16px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.72); word-break: break-word; }
footer { padding: 44px 0 64px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); display:flex; justify-content:space-between; gap:24px; }
footer a { color: var(--blue); font-weight: 750; }
section, .tool-card { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
section.is-visible, .tool-card.is-visible { opacity: 1; transform: none; }
@media (max-width: 820px) {
  .wrap { width: min(100% - 28px, 1120px); }
  .nav-toggle { display:block; }
  nav { display:none; position:absolute; top:72px; right:0; left:0; padding:12px; border:1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.94); box-shadow: var(--shadow); flex-direction:column; align-items:stretch; }
  nav.open { display:flex; }
  .showcase-grid, .split, .download-band, .stats-strip, .mock-app, .vxlt-mock { grid-template-columns: 1fr; }
  .list li { grid-template-columns: 1fr; gap: 8px; }
  .download-actions { justify-content: flex-start; }
  .hero { padding-top: 68px; }
  .mock-app { min-height: auto; }
  footer { flex-direction:column; }
}

/* Static HTML compatibility: old .html previews still render cleanly if opened directly. */
.tool { display: none; padding: 36px 0 42px; }
.tool.active { display: block; }
.product-shot:not(.upgraded) { margin: 0 auto; max-width: 920px; background: transparent; text-align: left; }
.product-shot:not(.upgraded) .topbar,
.product-shot:not(.upgraded) .circle { display: none; }
.placeholder {
  min-height: 420px;
  display: grid;
  place-items: center;
  padding: 34px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(37,99,235,.06) 1px, transparent 1px), linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px), rgba(255,255,255,.66);
  background-size: 28px 28px;
}
.placeholder-box {
  width: min(620px, 100%);
  min-height: 260px;
  border: 2px dashed #c7d7fe;
  border-radius: 22px;
  background: rgba(255,255,255,.72);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 26px;
  color: var(--muted);
}
.placeholder-box strong { display: block; color: var(--ink); font-size: 22px; margin-bottom: 8px; }
.actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.notice { margin-top: 22px; padding: 16px 18px; border-radius: 16px; background: #fffbeb; border: 1px solid #fde68a; color: #92400e; line-height: 1.55; }
.credit-links { display: grid; gap: 12px; margin-top: 18px; }
.credit-links a { color: var(--blue); font-weight: 750; }

.quickstart details { padding: 22px 0; }
.step-list { color: var(--muted); line-height: 1.72; padding-left: 1.25rem; }
.step-list li { margin: 10px 0; }
.guide-shot { margin: 16px 0 22px; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.72); box-shadow: 0 16px 38px rgba(15,23,42,.08); }
.guide-shot img { display: block; width: min(100%, 680px); height: auto; border-radius: 12px; border: 1px solid rgba(148,163,184,.34); }
.guide-shot figcaption { margin-top: 9px; color: var(--muted); font-size: 13px; }
.code-block { display: block; margin: 12px 0 18px; padding: 14px 16px; overflow-x: auto; border-radius: 14px; background: #0f172a; color: #86efac; border: 1px solid rgba(255,255,255,.08); }
.troubleshooting { margin-top: 22px; padding: 18px; border-radius: 18px; background: #fff7ed; border: 1px solid #fed7aa; }
.troubleshooting h3 { margin: 0 0 12px; font-size: 18px; }
.troubleshooting p { margin: 12px 0 0; color: #7c2d12; }
.license-link,
.license-list strong a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}
.license-link:hover,
.license-list strong a:hover {
  color: var(--blue-2);
  background: rgba(37,99,235,.08);
}