/* Ventrin landing — premium, restrained, document-grade.
   Brand tokens align to the admin app and extension panel for visual continuity. */

:root {
  /* base surfaces */
  --vt-bg-page:   #f3f1ec;
  --vt-bg-0:      #faf8f4;
  --vt-bg-1:      #f1efe9;
  --vt-bg-2:      #e9e6df;
  --vt-bg-inset:  #efede6;

  /* ink */
  --vt-ink:       #1a1d21;
  --vt-ink-2:     #3a3f47;
  --vt-ink-3:     #5a6069;
  --vt-ink-4:     #808792;
  --vt-ink-5:     #a7acb4;

  /* lines */
  --vt-line:      #d8d3c8;
  --vt-line-soft: #e4e0d4;
  --vt-line-firm: #c4bfb3;

  /* signal accents */
  --vt-blue:      #2c4a6a;
  --vt-blue-2:    #4870a8;
  --vt-blue-tint: #dce5ef;
  --vt-amber:     #a86e1a;
  --vt-amber-tint:#f6ead4;
  --vt-red:       #8a2f2f;
  --vt-red-tint:  #f1dcdc;
  --vt-green:     #2d5b3a;
  --vt-green-tint:#dde7dc;

  /* dark section palette */
  --vt-dark:        #0c1014;
  --vt-dark-soft:   #161b22;
  --vt-dark-line:   #20262d;
  --vt-dark-ink:    #d6dbe1;
  --vt-dark-ink-2:  #8a929c;

  /* fonts */
  --vt-font-sans:  "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --vt-font-serif: "Source Serif 4", "Tiempos Text", Georgia, serif;
  --vt-font-mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* layout */
  --vt-max:       1180px;
  --vt-pad-x:     32px;

  /* radii / shadow */
  --vt-r-sm: 2px;
  --vt-r:    4px;
  --vt-r-lg: 10px;
  --vt-r-xl: 18px;

  --vt-shadow-1: 0 1px 0 rgba(26, 29, 33, 0.04), 0 4px 14px -8px rgba(26, 29, 33, 0.10);
  --vt-shadow-2: 0 2px 0 rgba(26, 29, 33, 0.05), 0 12px 32px -14px rgba(26, 29, 33, 0.20);
  --vt-shadow-3: 0 6px 24px -10px rgba(26, 29, 33, 0.28), 0 24px 56px -20px rgba(26, 29, 33, 0.30);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--vt-bg-page);
  color: var(--vt-ink-2);
  font-family: var(--vt-font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11", "tnum";
}
a { color: var(--vt-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; }
button { font: inherit; cursor: pointer; }

/* ---------------- Typography ---------------- */
.vt-h1 {
  font-family: var(--vt-font-serif);
  font-weight: 500;
  font-size: clamp(40px, 5.4vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.022em;
  color: var(--vt-ink);
  margin: 0 0 22px;
}
.vt-h1-line { display: block; }
.vt-h1-emph {
  font-style: italic;
  color: var(--vt-blue);
}
.vt-h1-tight {
  font-size: clamp(40px, 5.2vw, 64px);
  line-height: 1.06;
}
.vt-h1-tight .vt-h1-line { display: block; }
.vt-h1-tight .vt-h1-emph { display: inline; }
.vt-h2 {
  font-family: var(--vt-font-serif);
  font-weight: 500;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.018em;
  color: var(--vt-ink);
  margin: 0 0 16px;
}
.vt-h2-dark { color: #fff; }
.vt-h2-center { text-align: center; }

/* ---------------- Eyebrows + buttons ---------------- */
.vt-eyebrow, .vt-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--vt-ink-3); font-weight: 600;
  margin: 0 0 18px;
}
.vt-eyebrow-dark { color: var(--vt-dark-ink-2); }
.vt-eyebrow-dot, .vt-eyebrow .vt-eyebrow-dot, .vt-hero-eyebrow .vt-eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--vt-blue);
  display: inline-block;
}
.vt-eyebrow-dark .vt-eyebrow-dot, .vt-eyebrow.vt-eyebrow-dark .vt-eyebrow-dot { background: var(--vt-blue-2); }

.vt-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px;
  border-radius: var(--vt-r);
  font-size: 13.5px; font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 140ms, border-color 140ms, color 140ms, transform 140ms;
  text-decoration: none !important;
  white-space: nowrap;
}
.vt-btn-lg { padding: 12px 22px; font-size: 14px; }
.vt-btn-primary { background: var(--vt-ink); color: #fff; border-color: var(--vt-ink); }
.vt-btn-primary:hover { background: var(--vt-ink-2); border-color: var(--vt-ink-2); }
.vt-btn-secondary { background: var(--vt-bg-0); color: var(--vt-ink); border-color: var(--vt-line-firm); }
.vt-btn-secondary:hover { background: var(--vt-bg-1); border-color: var(--vt-ink-3); }
.vt-btn-ghost { background: transparent; color: var(--vt-ink-2); }
.vt-btn-ghost:hover { color: var(--vt-ink); background: var(--vt-bg-1); }

/* ---------------- 2.1 Announce bar ---------------- */
.vt-announce {
  background: #1c2733;
  color: #cfd6df;
  font-size: 12.5px;
  border-bottom: 1px solid #0c1014;
}
.vt-announce-inner {
  max-width: var(--vt-max);
  margin: 0 auto;
  padding: 9px var(--vt-pad-x);
  display: flex; align-items: center; justify-content: center; gap: 14px;
  letter-spacing: 0.01em;
}
.vt-announce-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--vt-blue-2);
  box-shadow: 0 0 0 3px rgba(72, 112, 168, 0.18);
  display: inline-block;
}
.vt-announce-link { color: #fff; font-weight: 500; }
.vt-announce-link:hover { text-decoration: underline; }

/* ---------------- 2.2 Nav ---------------- */
.vt-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(243, 241, 236, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--vt-line);
}
.vt-nav-inner {
  max-width: var(--vt-max);
  margin: 0 auto;
  padding: 14px var(--vt-pad-x);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.vt-logo {
  display: inline-flex; align-items: center; gap: 9px;
  text-decoration: none; color: var(--vt-ink);
}
.vt-logo:hover { text-decoration: none; }
.vt-logo-mark {
  width: 22px; height: 22px;
  background: var(--vt-ink);
  border-radius: 3px;
  display: inline-flex; align-items: center; justify-content: center;
  position: relative;
}
.vt-logo-bar {
  width: 12px; height: 2px;
  background: #faf8f4;
  display: block;
  position: relative;
}
.vt-logo-bar::before {
  content: "";
  position: absolute; left: -1px; top: -4px;
  width: 4px; height: 10px;
  background: var(--vt-blue-2);
  border-radius: 1px;
}
.vt-logo-word {
  font-family: var(--vt-font-serif);
  font-weight: 600; font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--vt-ink);
}
.vt-nav-links { display: flex; gap: 28px; }
.vt-nav-links a {
  color: var(--vt-ink-2); font-size: 13.5px; font-weight: 500;
  text-decoration: none;
}
.vt-nav-links a:hover { color: var(--vt-ink); }
.vt-nav-cta { display: flex; gap: 10px; }

/* ---------------- 3. Hero ---------------- */
.vt-hero {
  padding: 64px var(--vt-pad-x) 48px;
}
.vt-hero-inner {
  max-width: var(--vt-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.2fr);
  gap: 56px;
  align-items: start;
}
.vt-hero-copy { min-width: 0; }
.vt-hero-sub {
  font-size: 18px;
  line-height: 1.55;
  color: var(--vt-ink-2);
  margin: 0 0 14px;
  max-width: 520px;
}
.vt-hero-trust {
  font-size: 13.5px;
  color: var(--vt-ink-3);
  margin: 0 0 28px;
  letter-spacing: 0.005em;
}
.vt-hero-actions {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 22px;
}
.vt-hero-support {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12.5px;
  color: var(--vt-ink-3);
  padding: 7px 12px;
  background: var(--vt-bg-0);
  border: 1px solid var(--vt-line-soft);
  border-radius: 99px;
}
.vt-support-icon { color: var(--vt-blue); display: inline-flex; }

/* 4. Hero product moment */
.vt-hero-product {
  position: relative;
  min-height: 460px;
}
.vt-mock-frame {
  background: var(--vt-bg-0);
  border: 1px solid var(--vt-line);
  border-radius: var(--vt-r-lg);
  box-shadow: var(--vt-shadow-3);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.vt-mock-frame-lg { min-height: 480px; }

.vt-mock-chrome {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: var(--vt-bg-1);
  border-bottom: 1px solid var(--vt-line-soft);
  font-size: 12px;
  color: var(--vt-ink-3);
}
.vt-mock-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--vt-line-firm);
}
.vt-mock-dot:nth-child(1) { background: #d6a8a8; }
.vt-mock-dot:nth-child(2) { background: #d8c388; }
.vt-mock-dot:nth-child(3) { background: #a8c2a8; }
.vt-mock-url {
  margin-left: 12px;
  font-family: var(--vt-font-mono);
  font-size: 11.5px;
  color: var(--vt-ink-3);
}
.vt-mock-shield {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--vt-blue);
  background: var(--vt-blue-tint);
  border: 1px solid #bdcbda;
  padding: 2px 8px;
  border-radius: 99px;
}

.vt-mock-chat {
  padding: 22px 26px;
  min-height: 260px;
  display: flex; flex-direction: column; gap: 14px;
  background: var(--vt-bg-0);
}
.vt-mock-chat-lg { min-height: 340px; }
.vt-mock-bubble {
  max-width: 88%;
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.55;
  background: var(--vt-bg-1);
  color: var(--vt-ink-2);
  border: 1px solid var(--vt-line-soft);
  animation: vt-fade-in 280ms ease-out;
}
.vt-mock-bubble.is-user {
  align-self: flex-end;
  background: #1f2937;
  color: #f5f5f5;
  border-color: #1f2937;
  border-bottom-right-radius: 4px;
}
.vt-mock-bubble.is-user.is-blocked {
  background: #2a1818;
  color: #f1c8c8;
  border-color: #4a2424;
  text-decoration: line-through;
  text-decoration-color: rgba(241, 200, 200, 0.45);
}
.vt-mock-bubble.is-assistant {
  border-bottom-left-radius: 4px;
}
.vt-mock-meta {
  font-size: 11px; color: var(--vt-ink-4);
  letter-spacing: 0.05em; text-transform: uppercase;
  margin-top: -6px;
}
.vt-mock-meta.is-user { align-self: flex-end; }
.vt-mock-tags {
  display: flex; gap: 6px; flex-wrap: wrap;
  align-self: flex-end;
  margin-top: -4px;
}
.vt-mock-tag {
  font-size: 10px; font-weight: 600;
  padding: 2px 7px; border-radius: 2px;
  background: var(--vt-red-tint);
  color: var(--vt-red);
  border: 1px solid #d8bcbc;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.vt-mock-tag.is-warn { background: var(--vt-amber-tint); color: var(--vt-amber); border-color: #e5d3a8; }
.vt-mock-tag.is-info { background: var(--vt-blue-tint); color: var(--vt-blue); border-color: #bdcbda; }

.vt-mock-composer {
  position: relative;
  margin: 14px 22px 22px;
  padding: 12px 14px 12px 16px;
  background: #fff;
  border: 1px solid var(--vt-line-firm);
  border-radius: 14px;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 4px 18px -10px rgba(26, 29, 33, 0.18);
  min-height: 50px;
}
.vt-mock-input {
  flex: 1;
  font-size: 13.5px;
  color: var(--vt-ink);
  min-height: 22px;
  font-family: var(--vt-font-sans);
}
.vt-mock-input:empty::before {
  content: "Ask anything…";
  color: var(--vt-ink-4);
}
.vt-mock-input .vt-cursor {
  display: inline-block;
  width: 1px; height: 16px;
  background: var(--vt-ink);
  margin-left: 1px;
  vertical-align: text-bottom;
  animation: vt-blink 1.05s steps(1, end) infinite;
}
@keyframes vt-blink { 50% { opacity: 0; } }
.vt-mock-send {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--vt-ink);
  color: #fff;
  border: 0;
}
.vt-mock-send:disabled { background: var(--vt-line-firm); }

/* ---- Real Ventrin alert (mirror of extension content.css) ---- */
.vt-alert {
  position: absolute;
  z-index: 5;
  font-family: var(--vt-font-sans);
  color: var(--vt-ink);
  background: var(--vt-bg-0);
  border: 1px solid var(--vt-line);
  border-left: 3px solid var(--vt-blue);
  border-radius: 4px;
  box-shadow: 0 12px 36px -12px rgba(26, 29, 33, 0.32);
  width: 380px;
  max-width: calc(100% - 24px);
  font-size: 13px;
  line-height: 1.5;
  animation: vt-pop-in 320ms cubic-bezier(.2,.9,.3,1) both;
}
/* Note: the hero alert is now rendered inline below the mock frame
   (see .vt-alert-hero). The old absolute positioning was removed. */
.vt-alert-stage { right: 24px; bottom: 96px; }

.vt-alert.is-block { border-left-color: var(--vt-red); }
.vt-alert.is-warn  { border-left-color: var(--vt-amber); }

.vt-alert-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 16px;
  border-bottom: 1px solid var(--vt-line);
  background: var(--vt-bg-1);
}
.vt-alert-title {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 600; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--vt-ink);
}
.vt-alert-pill {
  font-size: 10px; font-weight: 700;
  padding: 1px 7px 2px;
  letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid #bdcbda; border-radius: 1px;
  color: var(--vt-blue); background: var(--vt-blue-tint);
}
.vt-alert.is-block .vt-alert-pill {
  color: var(--vt-red); background: var(--vt-red-tint); border-color: #d8bcbc;
}
.vt-alert.is-warn .vt-alert-pill {
  color: var(--vt-amber); background: var(--vt-amber-tint); border-color: #e5d3a8;
}
.vt-alert-close {
  background: none; border: 0;
  color: var(--vt-ink-4); padding: 2px 7px; border-radius: 2px; font-size: 14px;
}
.vt-alert-close:hover { color: var(--vt-ink); background: var(--vt-bg-2); }

.vt-alert-body { padding: 14px 16px 4px; }
.vt-alert-why { color: var(--vt-ink-2); margin: 0 0 10px; font-size: 12.5px; }
.vt-alert-findings {
  display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap;
  padding: 7px 11px;
  background: var(--vt-bg-1);
  border: 1px solid var(--vt-line-soft);
  border-radius: 2px;
  font-size: 11.5px; color: var(--vt-ink-2);
  margin: 0 0 10px;
}
.vt-alert-found-label {
  font-size: 9.5px; color: var(--vt-ink-3); text-transform: uppercase; letter-spacing: 0.12em;
  font-weight: 600;
}
.vt-alert-label-row {
  display: flex; align-items: center; justify-content: space-between;
  margin: 8px 0 6px;
}
.vt-alert-label {
  font-size: 9.5px; color: var(--vt-ink-3); text-transform: uppercase; letter-spacing: 0.14em;
  font-weight: 600;
}
.vt-alert-conf {
  font-size: 9.5px; color: var(--vt-blue); background: var(--vt-blue-tint);
  padding: 1px 6px 2px; border: 1px solid #bdcbda; border-radius: 1px;
  letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600;
}
.vt-alert-safe {
  background: var(--vt-bg-inset);
  border: 1px solid var(--vt-line-soft);
  border-left: 3px solid var(--vt-blue);
  padding: 10px 12px;
  border-radius: 2px;
  font-family: var(--vt-font-mono);
  font-size: 11.5px;
  white-space: pre-wrap;
  color: var(--vt-ink-2);
}
.vt-alert-block-msg {
  background: var(--vt-red-tint);
  border: 1px solid #d8bcbc;
  border-left: 3px solid var(--vt-red);
  padding: 10px 12px; border-radius: 2px;
  color: var(--vt-red);
  font-size: 12.5px;
}
.vt-alert-actions {
  display: flex; gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--vt-line-soft);
  margin-top: 10px;
  flex-wrap: wrap;
}
.vt-alert-btn {
  background: var(--vt-bg-0);
  color: var(--vt-ink);
  border: 1px solid var(--vt-line-firm);
  padding: 7px 13px;
  border-radius: 2px;
  font-size: 12px; font-weight: 500;
  transition: background 120ms, border-color 120ms;
}
.vt-alert-btn:hover { background: var(--vt-bg-1); border-color: var(--vt-ink-3); }
.vt-alert-primary { background: var(--vt-ink); color: #fff; border-color: var(--vt-ink); }
.vt-alert-primary:hover { background: var(--vt-ink-2); border-color: var(--vt-ink-2); }

/* ---------------- Hero interactive demo additions ---------------- */

/* Hero alert isn't absolutely positioned — it stacks below the mock composer */
.vt-alert-hero {
  position: static;
  width: 100%;
  margin-top: 14px;
  animation: vt-pop-in 280ms cubic-bezier(.2,.9,.3,1) both;
}
.vt-alert-local {
  font-size: 10.5px;
  color: var(--vt-ink-4);
  letter-spacing: 0.005em;
}
@media (max-width: 520px) {
  .vt-alert-local { display: none; }
}

/* Section labels above try-row / examples */
.vt-demo-sectionlabel {
  font-family: var(--vt-font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vt-ink-4);
  margin: 0 0 8px;
}

/* Input wrapper — used inside the ChatGPT-style composer pill */
.vt-demo-input-wrap {
  position: relative;
  flex: 1;
  display: flex; align-items: center;
  min-width: 0;
}
.vt-demo-input-wrap:focus-within .vt-demo-caret { display: none; }
.vt-demo-input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  font: inherit;
  color: var(--vt-ink);
  min-width: 0;
}
.vt-demo-input::placeholder { color: var(--vt-ink-4); }
.vt-demo-caret {
  position: absolute;
  width: 1px;
  height: 16px;
  background: var(--vt-ink);
  animation: vt-blink 1.05s steps(1, end) infinite;
  pointer-events: none;
}
.vt-demo-input-wrap.has-text .vt-demo-caret { display: none; }

/* Examples label + chips above the frame */
.vt-demo-examples {
  margin-bottom: 14px;
}
.vt-demo-chips {
  display: flex;
  flex-direction: column;
  gap: 6px;
  scrollbar-width: thin;
}
.vt-demo-chip {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 13px;
  background: var(--vt-bg-1);
  border: 1px solid var(--vt-line-soft);
  border-radius: var(--vt-r);
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--vt-ink-2);
  cursor: pointer;
  transition: background 140ms, border-color 140ms, transform 140ms, box-shadow 140ms;
}
.vt-demo-chip:hover {
  background: var(--vt-bg-0);
  border-color: var(--vt-line-firm);
  color: var(--vt-ink);
  transform: translateX(2px);
}
.vt-demo-chip.is-active {
  background: var(--vt-bg-0);
  border-color: var(--vt-blue);
  box-shadow: 0 0 0 3px rgba(72, 112, 168, 0.08);
  color: var(--vt-ink);
}

/* Highlighted prompt preview — appears only after a chip click or submit.
   Hidden by default via the [hidden] attr; made visible when JS removes it. */
.vt-demo-preview {
  padding: 14px 18px;
  background: #fff;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--vt-ink);
  border-top: 1px solid var(--vt-line-soft);
  word-wrap: break-word;
  animation: vt-reveal 340ms cubic-bezier(.2,.9,.3,1) both;
}
@keyframes vt-reveal {
  0%   { opacity: 0; transform: translateY(-4px); }
  100% { opacity: 1; transform: translateY(0); }
}
.vt-demo-hl {
  position: relative;
  display: inline-block;
  padding: 1px 4px;
  margin: 0 1px;
  border-radius: 2px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: help;
  transition: background 140ms;
}
/* On-brand tooltip with category + reason. Pure CSS, no JS. */
.vt-demo-hl[data-reason]::after {
  content: attr(data-label) " — " attr(data-reason);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(3px);
  background: var(--vt-ink);
  color: #faf8f4;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.005em;
  line-height: 1.4;
  padding: 6px 10px;
  border-radius: 3px;
  white-space: nowrap;
  max-width: 280px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms, transform 160ms;
  z-index: 8;
  box-shadow: 0 6px 18px -8px rgba(26, 29, 33, 0.45);
}
.vt-demo-hl[data-reason]::before {
  content: "";
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%) translateY(3px);
  border: 5px solid transparent;
  border-top-color: var(--vt-ink);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms, transform 160ms;
  z-index: 8;
}
.vt-demo-hl[data-reason]:hover::after,
.vt-demo-hl[data-reason]:focus-visible::after,
.vt-demo-hl[data-reason]:hover::before,
.vt-demo-hl[data-reason]:focus-visible::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
/* Tooltip wraps to multiple lines on smaller demos */
@media (max-width: 720px) {
  .vt-demo-hl[data-reason]::after { white-space: normal; width: 220px; }
}
.vt-demo-hl-credentials  { background: var(--vt-red-tint);   color: #5e1d1d; border-color: #d8bcbc; }
.vt-demo-hl-person       { background: var(--vt-blue-tint);  color: #1f3450; border-color: #bdcbda; }
.vt-demo-hl-email        { background: var(--vt-blue-tint);  color: #1f3450; border-color: #bdcbda; }
.vt-demo-hl-phone        { background: var(--vt-blue-tint);  color: #1f3450; border-color: #bdcbda; }
.vt-demo-hl-organisation { background: #e1e6dc;              color: #2d4222; border-color: #c7cfbe; }
.vt-demo-hl-internal_project { background: #e1e6dc;          color: #2d4222; border-color: #c7cfbe; }
.vt-demo-hl-matter_ref   { background: #ece1f0;              color: #4a2c5a; border-color: #d4bfdf; }
.vt-demo-hl-address      { background: var(--vt-amber-tint); color: #6a4811; border-color: #e5d3a8; }
.vt-demo-hl-postcode     { background: var(--vt-amber-tint); color: #6a4811; border-color: #e5d3a8; }
.vt-demo-hl-dob          { background: var(--vt-amber-tint); color: #6a4811; border-color: #e5d3a8; }
.vt-demo-hl-location     { background: var(--vt-amber-tint); color: #6a4811; border-color: #e5d3a8; }
.vt-demo-hl-identifier   { background: var(--vt-red-tint);   color: #5e1d1d; border-color: #d8bcbc; }

/* Hero frame — ChatGPT-style two-pane layout */
.vt-mock-frame-hero {
  min-height: 520px;
  position: relative;
  overflow: hidden;
  padding: 0;
  display: flex;
  background: #ffffff;
}
.vt-chatgpt { display: flex; }

/* Sidebar — mimics ChatGPT's dark or light side strip */
.vt-chatgpt-sidebar {
  width: 180px;
  flex-shrink: 0;
  background: #f7f7f8;
  border-right: 1px solid #e8e8ea;
  padding: 14px 10px;
  display: flex; flex-direction: column; gap: 10px;
  font-size: 12px;
}
.vt-chatgpt-newchat {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px;
  background: #fff;
  border: 1px solid #e2e2e4;
  border-radius: 10px;
  color: #1a1d21;
  font-weight: 500;
  font-size: 12.5px;
}
.vt-chatgpt-newchat-icon { display: inline-flex; color: #5a5a66; }
.vt-chatgpt-history {
  display: flex; flex-direction: column; gap: 2px;
  padding: 0 2px;
}
.vt-chatgpt-history-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #9a9aa2;
  padding: 10px 8px 4px;
}
.vt-chatgpt-history-item {
  padding: 7px 9px;
  border-radius: 6px;
  color: #424252;
  font-size: 12.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: default;
}
.vt-chatgpt-history-item:hover { background: #eeeeef; color: #1a1d21; }

/* Main chat pane */
.vt-chatgpt-main {
  flex: 1;
  min-width: 0;
  display: flex; flex-direction: column;
  position: relative;
  background: #fff;
}
.vt-chatgpt-topbar {
  height: 46px;
  padding: 0 16px;
  border-bottom: 1px solid #ecedf1;
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
}
.vt-chatgpt-model {
  display: inline-flex; align-items: center; gap: 5px;
  font-weight: 600;
  color: #1a1d21;
  font-size: 14px;
}
.vt-chatgpt-model svg { color: #808792; }

/* Chat area */
.vt-chatgpt-chat {
  flex: 1;
  overflow-y: auto;
  padding: 28px 56px;
  display: flex; flex-direction: column; gap: 16px;
  min-height: 0;
}
.vt-chatgpt-empty {
  margin: auto;
  text-align: center;
  color: #1a1d21;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.vt-chatgpt-empty-logo {
  color: #1a1d21;
  opacity: 0.85;
}
.vt-chatgpt-empty-title {
  font-family: var(--vt-font-serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #1a1d21;
}

/* User bubble — prompt appears on the right, grey rounded pill */
.vt-demo-preview {
  align-self: flex-end;
  padding: 10px 14px;
  background: #f4f4f4;
  border: 1px solid #ebebec;
  border-radius: 18px;
  font-size: 14px;
  line-height: 1.5;
  color: #1a1d21;
  max-width: 88%;
  word-wrap: break-word;
  animation: vt-reveal 340ms cubic-bezier(.2,.9,.3,1) both;
  margin-top: auto;
}
@keyframes vt-reveal {
  0%   { opacity: 0; transform: translateY(8px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Composer — rounded pill at the bottom like ChatGPT */
.vt-chatgpt-composer {
  padding: 12px 56px 14px;
  background: #fff;
  border-top: 1px solid #ecedf1;
  flex-shrink: 0;
}
.vt-chatgpt-composer-pill {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px 8px 12px;
  background: #fff;
  border: 1px solid #d7d7db;
  border-radius: 26px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  transition: border-color 140ms, box-shadow 140ms;
}
.vt-chatgpt-composer-pill:focus-within {
  border-color: #a0a0a9;
  box-shadow: 0 0 0 3px rgba(0,0,0,0.04);
}
.vt-chatgpt-plus {
  display: inline-flex;
  width: 30px; height: 30px;
  align-items: center; justify-content: center;
  background: transparent;
  color: #5a5a66;
  border-radius: 50%;
  flex-shrink: 0;
}
.vt-chatgpt-plus:hover { background: #f0f0f2; }

/* Composer input wrap overrides */
.vt-chatgpt-composer-pill .vt-demo-input-wrap {
  flex: 1;
  background: transparent;
  border: 0;
  padding: 0;
  min-height: 30px;
  box-shadow: none !important;
}
.vt-chatgpt-composer-pill .vt-demo-input-wrap:focus-within { box-shadow: none; border: 0; }
.vt-chatgpt-composer-pill .vt-demo-input {
  font-size: 14px;
  padding: 6px 0;
}
.vt-chatgpt-composer-pill .vt-demo-caret {
  left: 0;
  height: 18px;
}
.vt-chatgpt-send {
  display: inline-flex;
  width: 32px; height: 32px;
  align-items: center; justify-content: center;
  background: #1a1d21;
  color: #fff;
  border: 0;
  border-radius: 50%;
  flex-shrink: 0;
  cursor: pointer;
  transition: background 140ms, transform 140ms;
}
.vt-chatgpt-send:hover { background: #3a3f47; transform: translateY(-1px); }
.vt-chatgpt-foot {
  text-align: center;
  padding: 8px 0 2px;
  font-size: 10.5px;
  color: #808792;
}

/* (examples margin is defined earlier) */

/* REVIEW panel — positioned absolutely OVER the chat area */
.vt-alert-backdrop {
  position: absolute;
  inset: 46px 0 0 180px;
  background: rgba(26, 29, 33, 0.18);
  backdrop-filter: blur(1px);
  z-index: 4;
  animation: vt-fade-in 220ms ease;
}
@media (max-width: 680px) {
  .vt-alert-backdrop { inset: 46px 0 0 0; }
}
.vt-alert-overlay {
  position: absolute;
  left: 50%;
  top: 76px;
  transform: translateX(-50%);
  width: calc(100% - 220px);
  max-width: 460px;
  z-index: 5;
  margin-top: 0;
  background: var(--vt-bg-0);
  border: 1px solid var(--vt-line);
  border-left: 3px solid var(--vt-blue);
  border-radius: 6px;
  box-shadow: 0 20px 48px -20px rgba(26, 29, 33, 0.45), 0 4px 12px rgba(26, 29, 33, 0.1);
  animation: vt-overlay-in 360ms cubic-bezier(.2,.9,.3,1) both;
}
@media (max-width: 680px) {
  .vt-alert-overlay { width: calc(100% - 24px); max-width: none; top: 60px; }
}
@keyframes vt-overlay-in {
  0%   { opacity: 0; transform: translate(-50%, -12px) scale(0.97); }
  100% { opacity: 1; transform: translate(-50%, 0) scale(1); }
}
.vt-alert-overlay.is-block { border-left-color: var(--vt-red); }
.vt-alert-overlay.is-warn  { border-left-color: var(--vt-amber); }

/* Close X in the overlay head */
.vt-alert-close {
  all: unset;
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  color: var(--vt-ink-3);
  border-radius: 4px;
  cursor: pointer;
  transition: background 140ms, color 140ms;
}
.vt-alert-close:hover { background: var(--vt-bg-2); color: var(--vt-ink); }
.vt-alert-close:focus-visible { outline: 2px solid var(--vt-blue); outline-offset: 1px; }

/* Local-processing footer inside the alert body */
.vt-alert-local-foot {
  margin: 10px 0 0;
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--vt-ink-4);
  text-align: center;
  font-style: italic;
}

/* Detection chips under the alert's "why" line */
.vt-detect-chips {
  display: flex; flex-wrap: wrap; gap: 5px;
  margin: 0 0 10px;
}
.vt-detect-chip {
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 2px 7px 3px;
  border-radius: 99px;
  border: 1px solid var(--vt-line);
  background: var(--vt-bg-1);
  color: var(--vt-ink-2);
}
.vt-detect-chip-credentials  { background: var(--vt-red-tint);   color: var(--vt-red);   border-color: #d8bcbc; }
.vt-detect-chip-person       { background: var(--vt-blue-tint);  color: var(--vt-blue);  border-color: #bdcbda; }
.vt-detect-chip-email        { background: var(--vt-blue-tint);  color: var(--vt-blue);  border-color: #bdcbda; }
.vt-detect-chip-phone        { background: var(--vt-blue-tint);  color: var(--vt-blue);  border-color: #bdcbda; }
.vt-detect-chip-organisation { background: #e1e6dc;              color: #2d4222;         border-color: #c7cfbe; }
.vt-detect-chip-internal_project { background: #e1e6dc;          color: #2d4222;         border-color: #c7cfbe; }
.vt-detect-chip-matter_ref   { background: #ece1f0;              color: #4a2c5a;         border-color: #d4bfdf; }
.vt-detect-chip-address      { background: var(--vt-amber-tint); color: var(--vt-amber); border-color: #e5d3a8; }
.vt-detect-chip-postcode     { background: var(--vt-amber-tint); color: var(--vt-amber); border-color: #e5d3a8; }
.vt-detect-chip-dob          { background: var(--vt-amber-tint); color: var(--vt-amber); border-color: #e5d3a8; }
.vt-detect-chip-location     { background: var(--vt-amber-tint); color: var(--vt-amber); border-color: #e5d3a8; }
.vt-detect-chip-identifier   { background: var(--vt-red-tint);   color: var(--vt-red);   border-color: #d8bcbc; }

/* Original ↔ Safe toggle inside the alert */
.vt-alert-toggle {
  display: inline-flex;
  background: var(--vt-bg-1);
  border: 1px solid var(--vt-line-soft);
  border-radius: 99px;
  padding: 2px;
  gap: 2px;
}
.vt-alert-toggle-btn {
  background: transparent;
  border: 0;
  padding: 3px 10px 4px;
  border-radius: 99px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--vt-ink-4);
  cursor: pointer;
  transition: background 140ms, color 140ms;
}
.vt-alert-toggle-btn:hover { color: var(--vt-ink); }
.vt-alert-toggle-btn.is-active {
  background: var(--vt-ink);
  color: #fff;
}

/* Educational note under the safe version */
.vt-alert-edu {
  margin: 10px 0 0;
  padding: 8px 10px;
  background: var(--vt-bg-1);
  border-left: 2px solid var(--vt-blue);
  border-radius: 2px;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--vt-ink-3);
}

/* Hero layout: alert sits inline below the mock frame on all widths.
   The product panel stacks vertically. */
.vt-hero-product {
  min-height: unset;
  display: flex; flex-direction: column;
  gap: 0;
}

/* Mobile — stack copy and demo, tighten chips */
@media (max-width: 960px) {
  .vt-hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .vt-demo-chips { gap: 5px; padding: 8px 10px; }
  .vt-demo-chip-kind { display: none; }
}

/* ---------------- Works-with strip ---------------- */
.vt-tools {
  padding: 22px var(--vt-pad-x);
  border-top: 1px solid var(--vt-line-soft);
  border-bottom: 1px solid var(--vt-line-soft);
  background: var(--vt-bg-1);
  display: flex;
  align-items: center;
  min-height: 72px;
}
.vt-tools-inner {
  max-width: var(--vt-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px 36px;
}
.vt-tools-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vt-ink-4);
  font-weight: 600;
  padding-right: 8px;
  border-right: 1px solid var(--vt-line);
}
.vt-tools-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; align-items: center; gap: 28px;
  flex-wrap: wrap;
}
.vt-tool {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--vt-ink-3);
  transition: color 160ms;
}
.vt-tool:hover { color: var(--vt-ink); }
.vt-tool-glyph {
  display: inline-flex;
  color: var(--vt-ink-2);
}
.vt-tool-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--vt-ink);
  font-family: var(--vt-font-serif);
  letter-spacing: -0.005em;
}
.vt-tool-more .vt-tool-name {
  font-style: italic;
  color: var(--vt-ink-4);
  font-weight: 400;
}

/* ---------------- Dividers (every section unique) ---------------- */
.vt-divider {
  max-width: var(--vt-max);
  margin: 0 auto;
  padding: 0 var(--vt-pad-x);
}
.vt-divider-rule {
  position: relative;
  padding-top: 64px; padding-bottom: 12px;
}
.vt-divider-rule::before {
  content: "";
  display: block;
  height: 1px;
  background: var(--vt-line);
  margin-bottom: 12px;
}
.vt-divider-rule span {
  font-family: var(--vt-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vt-ink-4);
}
.vt-divider-chapter {
  padding-top: 88px; padding-bottom: 24px;
  display: flex; align-items: baseline; gap: 18px;
  border-top: 1px solid var(--vt-line);
  margin-top: 64px;
}
.vt-divider-chapter .vt-chapter-num {
  font-family: var(--vt-font-serif);
  font-style: italic;
  font-size: 64px;
  line-height: 1;
  color: var(--vt-blue);
  letter-spacing: -0.04em;
  font-weight: 500;
}
.vt-divider-chapter .vt-chapter-label {
  font-family: var(--vt-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--vt-ink-3);
}
.vt-divider-soft {
  padding-top: 64px; padding-bottom: 24px;
}

/* ---------------- Section heads ---------------- */
.vt-section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 44px;
}
.vt-section-head-left {
  text-align: left;
  margin-left: 0;
  max-width: none;
}
.vt-section-sub {
  color: var(--vt-ink-3);
  font-size: 16px;
  line-height: 1.55;
  margin: 0;
}

/* ---------------- 5. Product (interactive) ---------------- */
.vt-product { padding: 32px var(--vt-pad-x) 24px; }
.vt-product-inner { max-width: var(--vt-max); margin: 0 auto; }
.vt-product-grid {
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  gap: 32px;
  align-items: stretch;
}
.vt-usecases {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 12px;
}
.vt-usecases li { margin: 0; }
.vt-usecase {
  width: 100%;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  text-align: left;
  padding: 18px 18px 18px 14px;
  background: var(--vt-bg-0);
  border: 1px solid var(--vt-line-soft);
  border-radius: var(--vt-r);
  transition: background 140ms, border-color 140ms, box-shadow 140ms;
  position: relative;
}
.vt-usecase:hover { background: var(--vt-bg-1); }
.vt-usecase.is-active {
  background: var(--vt-bg-0);
  border-color: var(--vt-line-firm);
  box-shadow: var(--vt-shadow-1);
}
.vt-usecase.is-active::before {
  content: "";
  position: absolute; left: -1px; top: -1px; bottom: -1px;
  width: 3px; background: var(--vt-blue);
  border-top-left-radius: var(--vt-r);
  border-bottom-left-radius: var(--vt-r);
}
.vt-usecase-num {
  font-family: var(--vt-font-mono);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--vt-ink-4);
  padding-top: 3px;
}
.vt-usecase.is-active .vt-usecase-num { color: var(--vt-blue); }
.vt-usecase-body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.vt-usecase-title {
  font-family: var(--vt-font-serif);
  font-size: 18px; font-weight: 500;
  color: var(--vt-ink);
  letter-spacing: -0.01em;
}
.vt-usecase-desc { font-size: 13px; color: var(--vt-ink-3); line-height: 1.55; }

.vt-stage {
  position: relative;
  min-height: 540px;
}

/* ---------------- 6. How it works ---------------- */
.vt-how { padding: 24px var(--vt-pad-x) 32px; }
.vt-how-inner { max-width: var(--vt-max); margin: 0 auto; }
.vt-steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--vt-line);
  border-bottom: 1px solid var(--vt-line);
}
.vt-step {
  padding: 32px 28px;
  border-right: 1px solid var(--vt-line-soft);
}
.vt-step:last-child { border-right: 0; }
.vt-step-num {
  font-family: var(--vt-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--vt-blue);
  margin: 0 0 14px;
  font-weight: 600;
}
.vt-step-title {
  font-family: var(--vt-font-serif);
  font-size: 22px; font-weight: 500;
  color: var(--vt-ink);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.vt-step-body { font-size: 14px; color: var(--vt-ink-3); margin: 0; }
.vt-how-foot {
  margin: 22px 0 0;
  font-size: 12.5px;
  color: var(--vt-ink-3);
  text-align: center;
  letter-spacing: 0.005em;
}

/* ---------------- 7. Features ---------------- */
.vt-features { padding: 32px var(--vt-pad-x) 16px; }
.vt-features-inner { max-width: var(--vt-max); margin: 0 auto; }
.vt-feature-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  margin-top: 8px;
}
.vt-feature {
  background: var(--vt-bg-0);
  border: 1px solid var(--vt-line-soft);
  border-radius: var(--vt-r);
  padding: 22px 22px 24px;
}
.vt-feature-icon {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--vt-blue);
  background: var(--vt-blue-tint);
  border-radius: 6px;
  margin-bottom: 18px;
}
.vt-feature-title {
  font-family: var(--vt-font-serif);
  font-size: 17px; font-weight: 500;
  color: var(--vt-ink);
  margin: 0 0 6px;
  letter-spacing: -0.005em;
}
.vt-feature-body { font-size: 13.5px; color: var(--vt-ink-3); margin: 0; line-height: 1.55; }

/* ---------------- 8. Admin visibility ---------------- */
.vt-admin { padding: 32px var(--vt-pad-x) 32px; }
.vt-admin-inner {
  max-width: var(--vt-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 56px;
  align-items: center;
}
.vt-admin-points {
  list-style: none; margin: 18px 0 0; padding: 0;
  display: flex; flex-direction: column; gap: 9px;
}
.vt-admin-points li {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px;
  color: var(--vt-ink-2);
}
.vt-admin-tick {
  width: 14px; height: 14px;
  border: 1px solid var(--vt-blue);
  border-radius: 2px;
  position: relative;
  flex-shrink: 0;
}
.vt-admin-tick::after {
  content: "";
  position: absolute; left: 3px; top: 0px;
  width: 5px; height: 9px;
  border-right: 1.6px solid var(--vt-blue);
  border-bottom: 1.6px solid var(--vt-blue);
  transform: rotate(45deg);
}
.vt-admin-mock {
  background: var(--vt-bg-0);
  border: 1px solid var(--vt-line);
  border-radius: var(--vt-r-lg);
  box-shadow: var(--vt-shadow-2);
  overflow: hidden;
}
.vt-admin-mock-head {
  padding: 14px 18px;
  background: var(--vt-bg-1);
  border-bottom: 1px solid var(--vt-line-soft);
  display: flex; align-items: baseline; justify-content: space-between;
}
.vt-admin-mock-title {
  font-family: var(--vt-font-serif);
  font-weight: 600; font-size: 14px; color: var(--vt-ink);
}
.vt-admin-mock-meta {
  font-size: 11px; letter-spacing: 0.06em; color: var(--vt-ink-4);
}
.vt-admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
.vt-admin-table thead th {
  text-align: left;
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--vt-ink-4); font-weight: 600;
  padding: 10px 18px;
  background: var(--vt-bg-0);
  border-bottom: 1px solid var(--vt-line-soft);
}
.vt-admin-table tbody td {
  padding: 11px 18px;
  border-bottom: 1px solid var(--vt-line-soft);
  color: var(--vt-ink-2);
}
.vt-admin-table tbody tr:last-child td { border-bottom: 0; }
.vt-admin-mock-foot {
  padding: 10px 18px;
  background: var(--vt-bg-1);
  border-top: 1px solid var(--vt-line-soft);
}
.vt-mono { font-family: var(--vt-font-mono); font-size: 11.5px; color: var(--vt-ink-3); }
.vt-tag {
  display: inline-block;
  font-size: 10px; font-weight: 600;
  padding: 2px 8px;
  border: 1px solid var(--vt-line);
  border-radius: 99px;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.vt-tag-block { color: var(--vt-red); background: var(--vt-red-tint); border-color: #d8bcbc; }
.vt-tag-rewrite { color: var(--vt-blue); background: var(--vt-blue-tint); border-color: #bdcbda; }
.vt-tag-warn { color: var(--vt-amber); background: var(--vt-amber-tint); border-color: #e5d3a8; }
.vt-tag-allow { color: var(--vt-green); background: var(--vt-green-tint); border-color: #c0d2bf; }

/* ---------------- 9. Trust module (concise 2-col + flow) ---------------- */
.vt-trust {
  margin: 40px var(--vt-pad-x) 24px;
  padding: 0;
  background: var(--vt-bg-1);
  border: 1px solid var(--vt-line);
  border-radius: var(--vt-r-lg);
  position: relative;
  overflow: hidden;
}
.vt-trust::before {
  /* faint vertical seam between copy and diagram, only on wide layouts */
  content: "";
  position: absolute; top: 28px; bottom: 28px; left: 50%;
  width: 1px;
  background: var(--vt-line-soft);
  pointer-events: none;
}
.vt-trust-inner {
  max-width: var(--vt-max);
  margin: 0 auto;
  padding: 44px 40px 44px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 40px;
  align-items: center;
}
.vt-trust-copy {
  padding-right: 12px;
}
.vt-trust-headline {
  font-size: clamp(22px, 2.4vw, 30px);
  margin: 0 0 18px;
}
.vt-trust-points {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.vt-trust-points li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  color: var(--vt-ink-2);
  line-height: 1.55;
}
.vt-trust-points li::before {
  content: "";
  position: absolute; left: 0; top: 8px;
  width: 12px; height: 1px;
  background: var(--vt-blue);
}
.vt-trust-foot {
  margin: 0;
  font-size: 12.5px;
  color: var(--vt-ink-3);
  letter-spacing: 0.005em;
}

/* --- Flow diagram --- */
.vt-flow {
  background: var(--vt-bg-0);
  border: 1px solid var(--vt-line-soft);
  border-radius: var(--vt-r);
  padding: 26px 22px 22px;
  position: relative;
}
.vt-flow-track {
  display: grid;
  grid-template-columns: 1fr 24px 1fr 24px 1fr 24px 1fr;
  align-items: center;
  gap: 0;
}
.vt-flow-node {
  position: relative;
  background: var(--vt-bg-0);
  border: 1px solid var(--vt-line-soft);
  border-radius: var(--vt-r);
  padding: 14px 10px 12px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  transition: border-color 160ms, box-shadow 160ms, transform 160ms, background 160ms;
  cursor: default;
}
.vt-flow-node:hover {
  border-color: var(--vt-line-firm);
  box-shadow: var(--vt-shadow-1);
  transform: translateY(-1px);
}
.vt-flow-node.is-emph {
  background: var(--vt-blue-tint);
  border-color: #bdcbda;
}
.vt-flow-node.is-emph:hover {
  border-color: var(--vt-blue);
}
.vt-flow-icon {
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--vt-ink-2);
  background: var(--vt-bg-1);
  border-radius: 6px;
}
.vt-flow-node.is-emph .vt-flow-icon {
  color: var(--vt-blue);
  background: rgba(255, 255, 255, 0.6);
}
.vt-flow-label {
  font-family: var(--vt-font-serif);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--vt-ink);
  letter-spacing: -0.005em;
}
.vt-flow-badge {
  position: absolute;
  top: -8px; left: 50%; transform: translateX(-50%);
  font-size: 9px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  background: var(--vt-blue);
  color: #fff;
  padding: 2px 7px 3px;
  border-radius: 99px;
  white-space: nowrap;
}
.vt-flow-link {
  display: flex; align-items: center; justify-content: center;
  color: var(--vt-ink-5);
  height: 8px;
}

/* --- Tooltip on hover --- */
.vt-flow-node[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--vt-ink);
  color: #faf8f4;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.005em;
  padding: 6px 10px;
  border-radius: 3px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms, transform 160ms;
  z-index: 5;
  box-shadow: 0 6px 18px -8px rgba(26, 29, 33, 0.4);
}
.vt-flow-node[data-tooltip]::before {
  content: "";
  position: absolute;
  bottom: calc(100% + 4px); left: 50%;
  transform: translateX(-50%) translateY(4px);
  border: 5px solid transparent;
  border-top-color: var(--vt-ink);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms, transform 160ms;
  z-index: 5;
}
.vt-flow-node:hover::after,
.vt-flow-node:hover::before,
.vt-flow-node:focus-visible::after,
.vt-flow-node:focus-visible::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.vt-flow-caption {
  display: flex; justify-content: space-between;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--vt-line-soft);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vt-ink-4);
  font-weight: 600;
}
.vt-flow-zone-local { color: var(--vt-blue); }
.vt-flow-zone-out   { color: var(--vt-ink-4); }

/* ---------------- 10. Audience ---------------- */
.vt-audience { padding: 24px var(--vt-pad-x) 24px; }
.vt-audience-inner {
  max-width: var(--vt-max); margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.vt-audience-card {
  padding-top: 14px;
  border-top: 1px solid var(--vt-ink);
}
.vt-audience-title {
  font-family: var(--vt-font-serif);
  font-size: 22px; font-weight: 500;
  color: var(--vt-ink);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.vt-audience-body { font-size: 14px; color: var(--vt-ink-3); margin: 0; }

/* ---------------- Plans / pricing ---------------- */
.vt-plans { padding: 24px var(--vt-pad-x) 32px; }
.vt-plans-inner { max-width: var(--vt-max); margin: 0 auto; }
.vt-plans-toggle {
  display: inline-flex;
  margin: 0 auto 32px;
  background: var(--vt-bg-1);
  border: 1px solid var(--vt-line);
  border-radius: 99px;
  padding: 4px;
  gap: 4px;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}
.vt-plans-toggle-btn {
  background: transparent;
  border: 0;
  padding: 8px 18px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 500;
  color: var(--vt-ink-3);
  display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer;
  transition: background 160ms, color 160ms;
}
.vt-plans-toggle-btn:hover { color: var(--vt-ink); }
.vt-plans-toggle-btn.is-active {
  background: var(--vt-ink);
  color: #fff;
  box-shadow: 0 1px 0 rgba(26,29,33,0.06), 0 4px 12px -8px rgba(26,29,33,0.3);
}
.vt-plans-save {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--vt-blue-tint);
  color: var(--vt-blue);
  padding: 2px 7px;
  border-radius: 99px;
}
.vt-plans-toggle-btn.is-active .vt-plans-save {
  background: rgba(255,255,255,0.16);
  color: #fff;
}

.vt-plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}
.vt-plan {
  background: var(--vt-bg-0);
  border: 1px solid var(--vt-line);
  border-radius: var(--vt-r-lg);
  padding: 28px 26px 28px;
  display: flex; flex-direction: column;
  position: relative;
  transition: transform 200ms, box-shadow 200ms, border-color 200ms;
}
.vt-plan:hover {
  transform: translateY(-2px);
  box-shadow: var(--vt-shadow-2);
  border-color: var(--vt-line-firm);
}
.vt-plan-emph {
  border-color: var(--vt-blue);
  background: var(--vt-bg-0);
  box-shadow: 0 0 0 4px rgba(72, 112, 168, 0.06), var(--vt-shadow-1);
}
.vt-plan-emph:hover {
  box-shadow: 0 0 0 4px rgba(72, 112, 168, 0.1), var(--vt-shadow-2);
}
.vt-plan-badge {
  position: absolute;
  top: -10px; left: 26px;
  background: var(--vt-blue);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px 5px;
  border-radius: 2px;
}
.vt-plan-head { margin-bottom: 18px; }
.vt-plan-name {
  font-family: var(--vt-font-serif);
  font-size: 22px; font-weight: 500;
  color: var(--vt-ink);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.vt-plan-tag {
  font-size: 13px;
  color: var(--vt-ink-3);
  margin: 0;
  line-height: 1.5;
}
.vt-plan-price {
  display: flex; flex-direction: column; gap: 4px;
  padding: 16px 0 18px;
  border-bottom: 1px solid var(--vt-line-soft);
  margin-bottom: 18px;
}
.vt-plan-amount {
  font-family: var(--vt-font-serif);
  font-size: 38px;
  font-weight: 500;
  color: var(--vt-ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.vt-plan-amount-text { font-style: italic; color: var(--vt-blue); }
.vt-plan-cycle {
  font-size: 12px;
  color: var(--vt-ink-4);
  letter-spacing: 0.01em;
}
.vt-plan-features {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex; flex-direction: column; gap: 8px;
  flex: 1;
}
.vt-plan-features li {
  font-size: 13.5px;
  color: var(--vt-ink-2);
  line-height: 1.5;
  position: relative;
  padding-left: 22px;
}
.vt-plan-features li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 5px; height: 9px;
  border-right: 1.6px solid var(--vt-blue);
  border-bottom: 1.6px solid var(--vt-blue);
  transform: rotate(45deg);
}
.vt-plan-cta {
  width: 100%;
  text-align: center;
  justify-content: center;
}
.vt-plans-foot {
  margin: 32px auto 0;
  text-align: center;
  font-size: 13px;
  color: var(--vt-ink-3);
  max-width: 640px;
  line-height: 1.6;
}
.vt-plans-note {
  margin: 10px auto 0;
  text-align: center;
  font-size: 11.5px;
  color: var(--vt-ink-4);
  letter-spacing: 0.01em;
  font-style: italic;
}

/* ---------------- 11. FAQ ---------------- */
.vt-faq { padding: 24px var(--vt-pad-x) 24px; }
.vt-faq-inner { max-width: 880px; margin: 0 auto; }
.vt-faq-list {
  border-top: 1px solid var(--vt-line);
}
.vt-faq-item {
  border-bottom: 1px solid var(--vt-line);
  padding: 18px 4px 18px 0;
}
.vt-faq-item summary {
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  cursor: pointer;
  font-family: var(--vt-font-serif);
  font-size: 17px; font-weight: 500;
  color: var(--vt-ink);
  letter-spacing: -0.005em;
  padding: 4px 0;
}
.vt-faq-item summary::-webkit-details-marker { display: none; }
.vt-faq-item summary::after {
  content: "+";
  font-family: var(--vt-font-mono);
  font-size: 18px; font-weight: 400;
  color: var(--vt-ink-3);
  transition: transform 200ms;
}
.vt-faq-item[open] summary::after { content: "−"; color: var(--vt-blue); }
.vt-faq-item p {
  margin: 12px 0 4px;
  color: var(--vt-ink-2);
  font-size: 14.5px;
  line-height: 1.65;
  max-width: 640px;
}

/* ---------------- 12. Final CTA ---------------- */
.vt-cta {
  margin: 24px var(--vt-pad-x) 64px;
  padding: 72px 32px 80px;
  background: var(--vt-bg-0);
  border: 1px solid var(--vt-line);
  border-radius: var(--vt-r-xl);
  position: relative;
  overflow: hidden;
}
.vt-cta::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--vt-blue), transparent);
}
.vt-cta-inner {
  max-width: 640px; margin: 0 auto; text-align: center;
}
.vt-cta-sub {
  font-size: 16px; color: var(--vt-ink-3);
  margin: 8px 0 28px;
}
.vt-cta-form {
  display: flex; gap: 10px;
  max-width: 480px; margin: 0 auto;
}
.vt-cta-form input {
  flex: 1;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--vt-line-firm);
  border-radius: var(--vt-r);
  color: var(--vt-ink);
  font-size: 14px;
  outline: none;
  transition: border-color 140ms, box-shadow 140ms;
}
.vt-cta-form input::placeholder { color: var(--vt-ink-4); }
.vt-cta-form input:focus {
  border-color: var(--vt-blue-2);
  box-shadow: 0 0 0 3px rgba(72, 112, 168, 0.15);
}
.vt-cta-secondary { margin-top: 16px; }
.vt-cta-link { font-size: 13.5px; color: var(--vt-ink-3); }
.vt-cta-link:hover { color: var(--vt-ink); }
.vt-cta-foot {
  margin-top: 32px;
  font-size: 12.5px;
  color: var(--vt-ink-4);
  letter-spacing: 0.005em;
}

/* ---------------- 13. Footer ---------------- */
.vt-foot {
  border-top: 1px solid var(--vt-line);
  padding: 36px var(--vt-pad-x) 28px;
  background: var(--vt-bg-page);
}
.vt-foot-inner {
  max-width: var(--vt-max);
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  flex-wrap: wrap;
}
.vt-foot-brand { display: flex; flex-direction: column; gap: 8px; }
.vt-foot-desc {
  margin: 0; font-size: 13px; color: var(--vt-ink-3);
}
.vt-foot-nav { display: flex; gap: 22px; }
.vt-foot-nav a {
  color: var(--vt-ink-3); font-size: 13px; text-decoration: none;
}
.vt-foot-nav a:hover { color: var(--vt-ink); }
.vt-foot-fine {
  max-width: var(--vt-max);
  margin: 24px auto 0;
  font-size: 11.5px; color: var(--vt-ink-4);
  border-top: 1px solid var(--vt-line-soft);
  padding-top: 16px;
}

/* ---------------- Animations ---------------- */
@keyframes vt-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes vt-pop-in {
  0% { opacity: 0; transform: translateY(10px) scale(0.985); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 980px) {
  .vt-nav-links { display: none; }
  .vt-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .vt-product-grid { grid-template-columns: 1fr; }
  .vt-stage { min-height: 480px; }
  .vt-feature-grid { grid-template-columns: repeat(2, 1fr); }
  .vt-admin-inner { grid-template-columns: 1fr; gap: 28px; }
  .vt-trust-inner { grid-template-columns: 1fr; gap: 28px; padding: 36px 28px; }
  .vt-trust::before { display: none; }
  .vt-trust-copy { padding-right: 0; }
  .vt-flow-track {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .vt-flow-link {
    transform: rotate(90deg);
    height: 16px;
    width: 32px;
    margin: 0 auto;
  }
  .vt-flow-node[data-tooltip]::after,
  .vt-flow-node[data-tooltip]::before { display: none; }
  .vt-audience-inner { grid-template-columns: 1fr; gap: 18px; }
  .vt-plans-grid { grid-template-columns: 1fr; gap: 14px; }
  .vt-steps { grid-template-columns: 1fr; }
  .vt-step { border-right: 0; border-bottom: 1px solid var(--vt-line-soft); }
  .vt-step:last-child { border-bottom: 0; }
}
@media (max-width: 640px) {
  :root { --vt-pad-x: 20px; }
  .vt-feature-grid { grid-template-columns: 1fr; }
  .vt-cta-form { flex-direction: column; }
  .vt-cta { padding: 56px 24px 64px; }
  .vt-nav-cta .vt-btn-ghost { display: none; }
  .vt-divider-chapter .vt-chapter-num { font-size: 48px; }
}