@import url('colors_and_type.css');

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bv-bg-primary);
  color: var(--bv-text-primary);
  font-family: var(--bv-font-sans);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* Container */
.bv-container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.bv-container-narrow { max-width: 920px; margin: 0 auto; padding: 0 24px; }

/* ---------- Wordmark ---------- */
.bv-wordmark-text {
  font-family: var(--bv-font-wordmark);
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--bv-text-primary);
  font-weight: 400;
  line-height: 1;
  white-space: nowrap;
}
@media (max-width: 600px) {
  .bv-wordmark-text { font-size: 18px; }
}

/* ---------- Wordmark image ---------- */
.bv-wordmark-img-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}
.bv-wordmark-img {
  height: 38px;
  width: auto;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}
.bv-wordmark-img--footer {
  height: 30px;
}
@media (max-width: 600px) {
  .bv-wordmark-img { height: 28px; }
  .bv-wordmark-img--footer { height: 24px; }
}

/* ---------- Navbar ---------- */
.bv-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8, 11, 18, 0.75);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--bv-border);
  height: var(--bv-nav-height);
  display: flex; align-items: center;
}
.bv-nav-inner {
  width: 100%;
  display: flex; align-items: center;
  gap: 24px;
}
.bv-nav-left { display: flex; align-items: center; flex: 0 0 auto; }
.bv-nav-center { flex: 1 1 auto; display: flex; justify-content: center; }
.bv-nav-right { flex: 0 0 auto; display: flex; align-items: center; gap: 12px; }

.bv-nav-links { display: flex; gap: 28px; }
.bv-nav-links a {
  font-size: 14px; font-weight: 500; color: var(--bv-text-muted);
  transition: color .15s; padding: 6px 2px;
}
.bv-nav-links a:hover { color: var(--bv-text-primary); }

.bv-nav-burger {
  display: none; background: transparent;
  border: 1px solid var(--bv-border); border-radius: 10px;
  padding: 0; color: var(--bv-text-primary);
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  flex: 0 0 40px;
  cursor: pointer;
  position: relative; z-index: 60;
  transition: background .15s, border-color .15s;
}
.bv-nav-burger:hover { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.18); }
.bv-nav-burger[aria-expanded="true"] {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.22);
}

@media (max-width: 960px) {
  .bv-nav-center { display: none; }
  .bv-nav-right .bv-nav-cta-desktop { display: none; }
  .bv-nav-burger { display: inline-flex; }
  .bv-nav-left { flex: 1 1 auto; min-width: 0; }
  .bv-nav-right { margin-left: auto; flex: 0 0 auto; }
}

/* ---------- Mobile drawer ---------- */
.bv-mobile-backdrop {
  position: fixed; inset: 0; z-index: 45;
  background: rgba(4, 6, 10, 0.55);
  backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none;
  transition: opacity .2s ease;
}
.bv-mobile-backdrop.is-open { opacity: 1; pointer-events: auto; }

.bv-mobile-sheet {
  position: fixed;
  top: var(--bv-nav-height);
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  max-width: 100vw;
  z-index: 55;
  background: #080b12;
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(58, 134, 255, 0.10) 0%, rgba(8,11,18,0) 60%),
    linear-gradient(180deg, #080b12 0%, #0b0f17 100%);
  border-top: 1px solid var(--bv-border);
  display: flex; flex-direction: column;
  padding: 8px 20px 24px;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .2s ease, transform .25s cubic-bezier(0.22, 0.61, 0.36, 1), visibility 0s linear .25s;
  /* Respect iOS safe areas */
  padding-bottom: max(24px, env(safe-area-inset-bottom));
}
.bv-mobile-sheet.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity .2s ease, transform .25s cubic-bezier(0.22, 0.61, 0.36, 1), visibility 0s linear 0s;
}

@media (min-width: 961px) {
  .bv-mobile-backdrop, .bv-mobile-sheet { display: none !important; }
}

body.bv-no-scroll { overflow: hidden; }

.bv-mobile-sheet-nav { flex: 1 1 auto; }
.bv-mobile-sheet-list {
  list-style: none; margin: 0; padding: 8px 0 0;
  display: flex; flex-direction: column;
}
.bv-mobile-sheet-list li {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .3s ease, transform .3s ease;
  transition-delay: calc(60ms * var(--bv-i, 0));
}
.bv-mobile-sheet.is-open .bv-mobile-sheet-list li {
  opacity: 1;
  transform: translateY(0);
}
.bv-mobile-sheet-list a {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--bv-border);
  color: var(--bv-text-primary);
  font-family: var(--bv-font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: color .15s, padding-left .2s;
}
.bv-mobile-sheet-list a:hover,
.bv-mobile-sheet-list a:focus-visible {
  color: var(--bv-accent, #3a86ff);
  padding-left: 8px;
}
.bv-mobile-sheet-num {
  font-family: var(--bv-font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: 11px;
  color: var(--bv-text-muted);
  letter-spacing: 0.08em;
  min-width: 28px;
  flex: 0 0 28px;
}
.bv-mobile-sheet-label { flex: 1 1 auto; }
.bv-mobile-sheet-arrow {
  color: var(--bv-text-muted);
  opacity: 0.6;
  flex: 0 0 auto;
  transition: transform .2s, opacity .2s, color .2s;
}
.bv-mobile-sheet-list a:hover .bv-mobile-sheet-arrow,
.bv-mobile-sheet-list a:focus-visible .bv-mobile-sheet-arrow {
  transform: translateX(4px);
  opacity: 1;
  color: var(--bv-accent, #3a86ff);
}

.bv-mobile-sheet-foot {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--bv-border);
  display: flex; flex-direction: column; gap: 14px;
}
.bv-mobile-sheet-cta { width: 100%; justify-content: center; align-self: stretch; }
.bv-lang-mobile { align-self: flex-start; }

/* ---------- Lang switch ---------- */
.bv-lang {
  display: inline-flex; align-items: center;
  border: 1px solid var(--bv-border);
  border-radius: 999px; padding: 3px;
  background: rgba(255,255,255,0.02);
}
.bv-lang button {
  background: transparent; border: 0;
  color: var(--bv-text-muted);
  padding: 5px 12px;
  font-size: 12px; font-weight: 600;
  border-radius: 999px;
  letter-spacing: 0.04em;
  font-family: var(--bv-font-mono);
}
.bv-lang button.is-on { background: var(--bv-grad-accent); color: #fff; }

/* ---------- Buttons ---------- */
.bv-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600;
  padding: 11px 18px; border-radius: 12px;
  border: 1px solid transparent; line-height: 1;
  transition: all .18s cubic-bezier(0.22, 0.61, 0.36, 1);
  white-space: nowrap;
  font-family: var(--bv-font-sans);
}
.bv-btn-primary { background: var(--bv-grad-accent); color: #fff; }
.bv-btn-primary:hover { transform: translateY(-1px); box-shadow: var(--bv-shadow-glow); }
.bv-btn-primary:active { transform: translateY(0); }
.bv-btn-secondary {
  background: transparent; color: var(--bv-text-primary);
  border-color: var(--bv-border-strong);
}
.bv-btn-secondary:hover { border-color: var(--bv-text-primary); background: rgba(255,255,255,0.04); }
.bv-btn-ghost { background: transparent; color: var(--bv-text-primary); }
.bv-btn-ghost:hover { background: rgba(255,255,255,0.04); }
.bv-btn-lg { padding: 14px 22px; font-size: 15px; border-radius: 14px; }
.bv-btn .arrow { transition: transform .2s; }
.bv-btn:hover .arrow { transform: translateX(2px); }

/* ---------- Sections ---------- */
.bv-section { padding: clamp(72px, 10vw, 128px) 0; position: relative; }
.bv-section.is-tight { padding: clamp(56px, 8vw, 96px) 0; }

/* ---------- Grant bar (ElevenLabs strip under nav) ---------- */
.bv-grant-bar {
  display: block;
  position: relative;
  padding: 12px 0;
  text-decoration: none;
  color: inherit;
  background:
    linear-gradient(90deg,
      rgba(58, 134, 255, 0.06) 0%,
      rgba(58, 134, 255, 0.12) 50%,
      rgba(58, 134, 255, 0.06) 100%);
  border-top: 1px solid var(--bv-border-subtle);
  border-bottom: 1px solid var(--bv-border-subtle);
  overflow: hidden;
  transition: background .25s ease;
}
.bv-grant-bar::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent,
    rgba(255, 255, 255, 0.06) 50%,
    transparent);
  opacity: 0;
  transition: opacity .25s ease;
  pointer-events: none;
}
.bv-grant-bar:hover::before { opacity: 1; }

.bv-grant-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.bv-grant-bar-spark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--bv-accent-cyan);
}
.bv-grant-bar-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bv-text-muted);
  font-weight: 600;
  white-space: nowrap;
}
.bv-grant-bar-logo {
  display: block;
  height: 24px;
  width: auto;
}
.bv-grant-bar-sep {
  color: var(--bv-text-faint);
  font-size: 14px;
  opacity: 0.6;
}
.bv-grant-bar-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--bv-text-primary);
  letter-spacing: 0.02em;
}
.bv-grant-bar-cta .arrow {
  transition: transform .2s ease;
}
.bv-grant-bar:hover .bv-grant-bar-cta .arrow {
  transform: translateX(3px);
}

@media (max-width: 700px) {
  .bv-grant-bar { padding: 10px 0; }
  .bv-grant-bar-inner { gap: 10px; }
  .bv-grant-bar-label { font-size: 10px; letter-spacing: 0.14em; }
  .bv-grant-bar-logo { height: 20px; }
  .bv-grant-bar-sep { display: none; }
  .bv-grant-bar-cta { display: none; }
}

/* ---------- Hero grant badge (ElevenLabs) ---------- */
.bv-hero-grant-wrap {
  display: block;
  margin-bottom: 22px;
}
.bv-hero-grant {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 8px 16px 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--bv-border);
  border-radius: 999px;
  text-decoration: none;
  color: inherit;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
  max-width: 100%;
}
.bv-hero-grant:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--bv-border-strong);
  transform: translateY(-1px);
}
.bv-hero-grant-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bv-text-muted);
  font-weight: 600;
  white-space: nowrap;
}
.bv-hero-grant-logo {
  display: block;
  height: 30px;
  width: auto;
}
.bv-hero-grant-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--bv-text-muted);
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.bv-hero-grant:hover .bv-hero-grant-arrow {
  transform: translateX(2px);
  background: rgba(255, 255, 255, 0.12);
  color: var(--bv-text-primary);
}

@media (max-width: 600px) {
  .bv-hero-grant-wrap { margin-bottom: 18px; }
  .bv-hero-grant {
    gap: 10px;
    padding: 6px 12px 6px 12px;
  }
  .bv-hero-grant-label {
    font-size: 10px;
    letter-spacing: 0.14em;
  }
  .bv-hero-grant-logo { height: 24px; }
  .bv-hero-grant-arrow { width: 18px; height: 18px; }
}

.bv-eyebrow {
  display: inline-block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bv-accent-cyan);
  font-weight: 500;
  margin-bottom: 16px;
  font-family: var(--bv-font-sans);
}

.bv-section-head { max-width: 780px; margin-bottom: 56px; }
.bv-section-title {
  font-family: var(--bv-font-display);
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.1; letter-spacing: -0.02em;
  font-weight: 500;
  margin: 0 0 18px;
  color: var(--bv-text-primary);
  text-wrap: balance;
}
.bv-section-sub {
  font-size: 18px; line-height: 1.65;
  color: var(--bv-text-muted);
  margin: 0; max-width: 680px;
  text-wrap: pretty;
}

/* ---------- Hero ---------- */
.bv-hero {
  position: relative;
  padding: clamp(72px, 12vw, 140px) 0 clamp(72px, 10vw, 120px);
  background: var(--bv-grad-hero);
  overflow: hidden;
  border-bottom: 1px solid var(--bv-border);
}
.bv-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(148,163,184,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148,163,184,0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.bv-hero-inner { position: relative; }
.bv-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--bv-border);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  font-size: 11px; color: var(--bv-text-muted);
  margin-bottom: 28px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.bv-hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--bv-accent-cyan);
  box-shadow: 0 0 8px var(--bv-accent-cyan);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }

.bv-hero-title {
  font-family: var(--bv-font-display);
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 500;
  margin: 0 0 24px;
  text-wrap: balance;
  max-width: 920px;
}
.bv-hero-title .accent {
  background: var(--bv-grad-accent);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.bv-hero-problem {
  font-size: clamp(15px, 1.45vw, 17px);
  line-height: 1.55;
  color: var(--bv-text-primary);
  max-width: 720px;
  margin: 0 0 16px;
  padding-left: 16px;
  border-left: 2px solid var(--bv-accent, #3a86ff);
  text-wrap: pretty;
  opacity: 0.95;
}
.bv-hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.6;
  color: var(--bv-text-muted);
  max-width: 700px;
  margin: 0 0 36px;
  text-wrap: pretty;
}
.bv-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* Demo divider header inside hero */
.bv-hero-demo-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 88px 0 22px;
  padding-top: 10px;
}
.bv-hero-demo-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bv-border-strong) 30%, var(--bv-border-strong) 70%, transparent);
  display: block;
  min-width: 40px;
}
.bv-hero-demo-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  flex-shrink: 0;
}
.bv-hero-demo-text .bv-eyebrow { margin: 0; }
.bv-hero-demo-title {
  font-family: var(--bv-font-display, var(--bv-font-sans));
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0;
  color: var(--bv-text-primary);
}

.bv-hero-facts {
  margin-top: 56px;
  display: flex; flex-wrap: wrap;
  gap: 0;
  padding-top: 24px;
  border-top: 1px solid var(--bv-border);
}
.bv-hero-fact {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 28px 10px 0;
  font-size: 13px; color: var(--bv-text-muted);
  border-right: 1px solid var(--bv-border);
  margin-right: 28px;
}
.bv-hero-fact:last-child { border-right: 0; margin-right: 0; }
.bv-hero-fact svg { color: var(--bv-accent-cyan); flex-shrink: 0; }

@media (max-width: 720px) {
  .bv-hero-fact { border-right: 0; margin-right: 0; padding: 6px 0; flex: 0 0 100%; }
}

/* ---------- Mobile-specific tightening ---------- */
@media (max-width: 600px) {
  .bv-container { padding: 0 16px; }
  .bv-container-narrow { padding: 0 16px; }
  .bv-hero { padding: 48px 0 64px; }
  .bv-hero-title { font-size: clamp(30px, 9vw, 44px); line-height: 1.1; }
  .bv-hero-sub { font-size: 16px; }
  .bv-hero-actions .bv-btn-lg { width: 100%; justify-content: center; }
  .bv-hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .bv-hero-demo-head { margin: 56px 0 18px; gap: 12px; flex-direction: column; align-items: flex-start; }
  .bv-hero-demo-line { display: none; }
  .bv-hero-demo-title { font-size: 20px; }
  .bv-section { padding: 64px 0; }
  .bv-section-head { margin-bottom: 36px; }
  .bv-section-title { font-size: clamp(24px, 7vw, 32px); line-height: 1.15; }
  .bv-card { padding: 20px; }
  .bv-card h3 { font-size: 16px; }
  .bv-tryit { margin-top: 36px; border-radius: 16px; }
  .bv-tryit-bar { padding: 10px 14px; gap: 8px; }
  .bv-tryit-title { display: none; }
  .bv-tryit-meta { gap: 6px; flex: 1 1 auto; justify-content: flex-end; }
  .bv-tryit-robot { display: none; }
  .bv-tryit-chips { padding: 14px 14px; }
  .bv-tryit-chip { font-size: 12px; padding: 7px 10px 7px 8px; }
  .bv-tryit-pipe { padding: 12px 14px; gap: 4px; }
  .bv-tryit-step { padding: 5px 9px; font-size: 11px; }
  .bv-tryit-stage { padding: 14px 14px; }
  .bv-tryit-row-v { font-size: 13px; }
  .bv-tryit-foot { padding: 10px 14px; }
  .bv-tryit-hint { font-size: 10px; }
  .bv-hero-facts { margin-top: 36px; }
  .bv-nav-right { gap: 8px; }
  .bv-lang button { padding: 4px 9px; font-size: 11px; }
  .bv-mobile-sheet { padding: 8px 16px 24px; }
  .bv-mobile-sheet-list a { font-size: 20px; padding: 16px 4px; }
}

/* ---------- Hero TryIt card (interactive demo) ---------- */
.bv-tryit {
  position: relative;
  margin-top: 56px;
  background:
    radial-gradient(700px 280px at 90% 0%, rgba(56,189,248,0.07), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0));
  border: 1px solid var(--bv-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--bv-shadow-md), var(--bv-shadow-inset-top);
  backdrop-filter: blur(8px);
}
.bv-tryit-bar {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--bv-border);
  background: rgba(255,255,255,0.02);
}
.bv-tryit-dots { display: flex; gap: 6px; }
.bv-tryit-dots span {
  width: 8px; height: 8px; border-radius: 999px;
  background: rgba(148,163,184,0.25);
}
.bv-tryit-title {
  font-family: var(--bv-font-mono);
  font-size: 12px; color: var(--bv-text-muted);
  flex: 1; margin-left: 4px;
}
.bv-tryit-meta { display: flex; align-items: center; gap: 8px; }
.bv-tryit-robot {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--bv-font-mono);
  font-size: 10px; color: var(--bv-text-muted);
  padding: 3px 9px;
  border: 1px solid var(--bv-border);
  background: rgba(255,255,255,0.02);
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.bv-tryit-live {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--bv-font-mono);
  font-size: 10px; letter-spacing: 0.16em;
  color: var(--bv-status-success);
  padding: 3px 9px;
  border: 1px solid rgba(34,197,94,0.3);
  background: rgba(34,197,94,0.08);
  border-radius: 999px;
}
.bv-tryit-live .dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--bv-status-success);
  box-shadow: 0 0 8px rgba(34,197,94,0.6);
  animation: pulse 1.6s ease-in-out infinite;
}

.bv-tryit-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--bv-border);
  background: rgba(8,11,18,0.3);
  align-items: center;
}
.bv-tryit-chips-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--bv-text-faint);
  font-weight: 500;
  font-family: var(--bv-font-sans);
  margin-right: 4px;
  width: 100%;
  margin-bottom: 4px;
}
.bv-tryit-chips-label svg { color: var(--bv-accent-cyan); }
.bv-tryit-chip-quote {
  font-family: Georgia, serif;
  font-size: 18px;
  line-height: 0;
  color: var(--bv-accent-cyan);
  margin-top: 4px;
}
.bv-tryit-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px 8px 8px;
  border: 1px solid var(--bv-border);
  background: rgba(255,255,255,0.02);
  border-radius: 999px;
  color: var(--bv-text-muted);
  font-size: 13px;
  font-family: var(--bv-font-sans);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
}
.bv-tryit-chip:hover {
  border-color: rgba(56,189,248,0.35);
  color: var(--bv-text-primary);
}
.bv-tryit-chip.is-on {
  border-color: rgba(56,189,248,0.5);
  background: rgba(56,189,248,0.08);
  color: var(--bv-text-primary);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.08);
}
.bv-tryit-chip-lang {
  font-family: var(--bv-font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(148,163,184,0.12);
  color: var(--bv-text-faint);
}
.bv-tryit-chip.is-on .bv-tryit-chip-lang {
  background: rgba(56,189,248,0.18);
  color: var(--bv-accent-cyan);
}

.bv-tryit-pipe {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--bv-border);
  background: rgba(8,11,18,0.45);
  flex-wrap: wrap;
}
.bv-tryit-step {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--bv-border);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  font-size: 12px;
  color: var(--bv-text-faint);
  transition: all 0.25s ease;
}
.bv-tryit-step.is-done {
  border-color: rgba(56,189,248,0.3);
  color: var(--bv-text-muted);
}
.bv-tryit-step.is-active {
  border-color: rgba(56,189,248,0.55);
  background: rgba(56,189,248,0.1);
  color: var(--bv-text-primary);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.1);
}
.bv-tryit-step-dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: rgba(148,163,184,0.3);
}
.bv-tryit-step.is-done .bv-tryit-step-dot { background: var(--bv-accent-cyan); }
.bv-tryit-step.is-active .bv-tryit-step-dot {
  background: var(--bv-accent-cyan);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.25);
  animation: pulse 1.2s ease-in-out infinite;
}
.bv-tryit-step-num {
  font-family: var(--bv-font-mono);
  font-size: 10px; letter-spacing: 0.04em;
  color: var(--bv-text-faint);
}
.bv-tryit-step.is-active .bv-tryit-step-num,
.bv-tryit-step.is-done .bv-tryit-step-num { color: var(--bv-accent-cyan); }
.bv-tryit-step-label { font-weight: 500; }
.bv-tryit-step-hint {
  display: block;
  font-family: var(--bv-font-mono);
  font-size: 9.5px;
  letter-spacing: 0.04em;
  color: var(--bv-text-muted);
  opacity: 0.65;
  margin-top: 2px;
  text-transform: uppercase;
  white-space: nowrap;
}
.bv-tryit-step.is-active .bv-tryit-step-hint,
.bv-tryit-step.is-done .bv-tryit-step-hint { opacity: 0.9; color: var(--bv-accent-cyan); }
.bv-tryit-step-sep {
  flex: 1; min-width: 12px; max-width: 40px;
  height: 1px; position: relative; overflow: hidden;
}
.bv-tryit-step-line {
  display: block; height: 1px; width: 100%;
  background: linear-gradient(90deg, rgba(148,163,184,0.2), rgba(148,163,184,0.05));
}
.bv-tryit-step-sep.is-done .bv-tryit-step-line {
  background: linear-gradient(90deg, var(--bv-accent-cyan), rgba(56,189,248,0.2));
}

.bv-tryit-stage {
  padding: 18px 20px;
  display: flex; flex-direction: column; gap: 14px;
}
.bv-tryit-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 14px; align-items: center;
  opacity: 0.4;
  transition: opacity 0.3s ease;
  min-height: 28px;
}
.bv-tryit-row.is-on { opacity: 1; }
.bv-tryit-row-k {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--bv-text-faint);
  font-weight: 500;
}
.bv-tryit-row-k svg { color: var(--bv-accent-cyan); }
.bv-tryit-row-v {
  font-size: 14px;
  color: var(--bv-text-primary);
  font-family: var(--bv-font-sans);
  display: flex; align-items: center; gap: 10px;
  min-width: 0;
}
.bv-tryit-heard { color: var(--bv-text-primary); }
.bv-tryit-typed { font-weight: 500; }
.bv-tryit-caret {
  display: inline-block;
  width: 2px; height: 14px;
  background: var(--bv-accent-cyan);
  animation: caret 0.9s steps(2) infinite;
  vertical-align: middle;
}
@keyframes caret { 50% { opacity: 0; } }
.bv-tryit-mini-wave {
  display: inline-flex; align-items: center; gap: 2px;
  height: 16px; flex-shrink: 0;
}
.bv-tryit-mini-wave span {
  display: block;
  width: 2px; height: 4px; border-radius: 1px;
  background: var(--bv-accent-cyan);
  animation: miniwave 1s ease-in-out infinite;
}
@keyframes miniwave {
  0%, 100% { height: 3px; opacity: 0.4; }
  50% { height: 14px; opacity: 1; }
}
.bv-tryit-intent code {
  font-family: var(--bv-font-mono);
  font-size: 12px;
  color: var(--bv-accent-cyan);
  padding: 4px 10px;
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.25);
  border-radius: 6px;
}
.bv-tryit-placeholder { color: var(--bv-text-faint); font-family: var(--bv-font-mono); }
.bv-tryit-reply { color: var(--bv-text-primary); line-height: 1.5; }
.bv-tryit-action { color: var(--bv-text-muted); font-size: 13px; }
.bv-tryit-action-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px;
  border-radius: 6px;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.3);
  color: var(--bv-accent-cyan);
  flex-shrink: 0;
}
.bv-tryit-action-icon.is-pulse {
  animation: action-pulse 0.8s ease-in-out;
}
@keyframes action-pulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(56,189,248,0.5); }
  50% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(56,189,248,0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(56,189,248,0); }
}

.bv-tryit-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  border-top: 1px solid var(--bv-border);
  background: rgba(8,11,18,0.3);
}
.bv-tryit-hint {
  font-family: var(--bv-font-mono);
  font-size: 11px;
  color: var(--bv-text-faint);
  letter-spacing: 0.04em;
}
.bv-tryit-replay {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--bv-border);
  background: rgba(255,255,255,0.02);
  border-radius: 999px;
  color: var(--bv-text-muted);
  font-size: 12px;
  font-family: var(--bv-font-sans);
  cursor: pointer;
  transition: all 0.15s ease;
}
.bv-tryit-replay:hover:not(:disabled) {
  border-color: rgba(56,189,248,0.4);
  color: var(--bv-text-primary);
  background: rgba(56,189,248,0.05);
}
.bv-tryit-replay:disabled { opacity: 0.5; cursor: not-allowed; }

.bv-tryit-privacy {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--bv-font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--bv-text-muted);
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid var(--bv-border);
  border-radius: 999px;
  background: rgba(8,11,18,0.4);
  white-space: nowrap;
}
.bv-tryit-privacy svg { color: var(--bv-accent-cyan); flex: 0 0 auto; }

@media (max-width: 760px) {
  .bv-tryit-row { grid-template-columns: 1fr; gap: 4px; }
  .bv-tryit-pipe { gap: 6px; }
  .bv-tryit-step-sep { max-width: 16px; }
  .bv-tryit-step-label { display: none; }
  .bv-tryit-step-hint { display: none; }
  .bv-tryit-privacy span { display: none; }
  .bv-tryit-foot { flex-wrap: wrap; }
}

/* ---------- Hero dashboard (replaces wave card) ---------- */
.bv-hero-dashboard {
  position: relative;
  margin-top: 56px;
  background:
    radial-gradient(600px 240px at 90% 0%, rgba(56,189,248,0.08), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0));
  border: 1px solid var(--bv-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--bv-shadow-md), var(--bv-shadow-inset-top);
  backdrop-filter: blur(8px);
}
.bv-hd-bar {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--bv-border);
  background: rgba(255,255,255,0.02);
}
.bv-hd-dots { display: flex; gap: 6px; }
.bv-hd-dots span {
  width: 8px; height: 8px; border-radius: 999px;
  background: rgba(148,163,184,0.25);
}
.bv-hd-title {
  font-family: var(--bv-font-mono);
  font-size: 12px; color: var(--bv-text-muted);
  flex: 1; text-align: left; margin-left: 4px;
}
.bv-hd-live {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--bv-font-mono);
  font-size: 10px; letter-spacing: 0.16em;
  color: var(--bv-status-success);
  padding: 3px 9px;
  border: 1px solid rgba(34,197,94,0.3);
  background: rgba(34,197,94,0.08);
  border-radius: 999px;
}
.bv-hd-live .dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--bv-status-success);
  box-shadow: 0 0 8px rgba(34,197,94,0.6);
  animation: pulse 1.6s ease-in-out infinite;
}

.bv-hd-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--bv-border);
  border-bottom: 1px solid var(--bv-border);
}
@media (max-width: 760px) { .bv-hd-grid { grid-template-columns: repeat(2, 1fr); } }
.bv-hd-tile {
  background: rgba(8,11,18,0.5);
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 8px;
  min-height: 76px;
}
.bv-hd-k {
  font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--bv-text-faint);
  font-weight: 500;
}
.bv-hd-v {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px;
  font-family: var(--bv-font-display);
  color: var(--bv-text-primary);
  font-weight: 500;
  letter-spacing: -0.005em;
}
.bv-hd-vi { color: var(--bv-accent-cyan); flex-shrink: 0; }
.bv-hd-pill {
  font-family: var(--bv-font-mono);
  font-size: 10px;
  padding: 2px 7px;
  background: rgba(56,189,248,0.1);
  color: var(--bv-accent-cyan);
  border-radius: 999px;
  border: 1px solid rgba(56,189,248,0.28);
  letter-spacing: 0.04em;
  margin-left: auto;
}
.bv-hd-pulse {
  width: 7px; height: 7px; border-radius: 999px;
  background: var(--bv-status-success);
  box-shadow: 0 0 0 0 rgba(34,197,94,0.6);
  animation: hd-pulse 1.8s ease-out infinite;
  flex-shrink: 0;
}
@keyframes hd-pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

.bv-hd-pipeline {
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--bv-border);
  background: rgba(8,11,18,0.3);
}
.bv-hd-k-row { margin-bottom: 10px; }
.bv-hd-pipeline-row {
  display: flex; align-items: center; gap: 6px;
  flex-wrap: wrap;
}
.bv-hd-step {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--bv-border);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  font-size: 12px;
  color: var(--bv-text-muted);
}
.bv-hd-step.is-active {
  border-color: rgba(56,189,248,0.4);
  background: rgba(56,189,248,0.08);
  color: var(--bv-text-primary);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.08);
}
.bv-hd-step.is-active .bv-hd-step-num { color: var(--bv-accent-cyan); }
.bv-hd-step-num {
  font-family: var(--bv-font-mono);
  font-size: 10px;
  color: var(--bv-text-faint);
  letter-spacing: 0.04em;
}
.bv-hd-step-label {
  font-family: var(--bv-font-sans);
  font-weight: 500;
}
.bv-hd-step-sep {
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--bv-text-faint);
}

.bv-hd-wave {
  padding: 14px 20px 16px;
  display: flex; flex-direction: column; gap: 8px;
}
.bv-hd-wave-meta {
  display: flex; align-items: center; gap: 10px;
}
.bv-hd-wave-pill {
  font-family: var(--bv-font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border: 1px solid var(--bv-border);
  background: rgba(255,255,255,0.02);
  color: var(--bv-text-muted);
  border-radius: 999px;
}
.bv-hd-wave-tag {
  font-family: var(--bv-font-mono);
  font-size: 10px;
  color: var(--bv-text-faint);
  letter-spacing: 0.04em;
}
.bv-hd-wave-svg-wrap {
  height: 56px;
  opacity: 0.85;
}
.bv-hd-wave-svg-wrap .bv-hero-wave-svg { height: 56px !important; width: 100%; }

/* ---------- Feature cards (3-col) ---------- */
.bv-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bv-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.bv-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 960px) {
  .bv-grid-3, .bv-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .bv-grid-3, .bv-grid-2, .bv-grid-4 { grid-template-columns: 1fr; }
}

.bv-card {
  background: var(--bv-bg-elevated);
  border: 1px solid var(--bv-border);
  border-radius: 16px;
  padding: 28px;
  transition: all .2s;
}
.bv-card:hover {
  border-color: var(--bv-border-strong);
  background: #131A30;
}
.bv-card-icon {
  width: 40px; height: 40px;
  border: 1px solid var(--bv-border);
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--bv-accent-cyan);
  margin-bottom: 20px;
  background: rgba(56,189,248,0.06);
}
.bv-card h3 {
  font-family: var(--bv-font-display);
  font-size: 19px; font-weight: 500;
  margin: 0 0 8px;
  color: var(--bv-text-primary);
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.bv-card p {
  font-size: 14.5px; line-height: 1.6;
  color: var(--bv-text-muted);
  margin: 0;
}

/* ---------- Pipeline ---------- */
.bv-pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 960px) { .bv-pipeline { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .bv-pipeline { grid-template-columns: 1fr; } }

.bv-pipeline-step {
  background: var(--bv-bg-elevated);
  border: 1px solid var(--bv-border);
  border-radius: 16px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.bv-pipeline-step::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--bv-accent-cyan), transparent);
  opacity: 0.4;
}
.bv-pipeline-num {
  font-family: var(--bv-font-mono);
  font-size: 11px;
  color: var(--bv-accent-cyan);
  margin-bottom: 14px;
  letter-spacing: 0.06em;
  display: flex; align-items: center; gap: 8px;
}
.bv-pipeline-num .verb { color: var(--bv-text-faint); text-transform: uppercase; letter-spacing: 0.14em; }
.bv-pipeline-step h4 {
  font-family: var(--bv-font-display);
  font-size: 17px; font-weight: 500;
  margin: 0 0 8px;
  color: var(--bv-text-primary);
  letter-spacing: -0.01em;
}
.bv-pipeline-step p { font-size: 14px; line-height: 1.55; color: var(--bv-text-muted); margin: 0; }

/* ---------- Operator panel mock ---------- */
.bv-operator {
  background: var(--bv-bg-elevated);
  border: 1px solid var(--bv-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--bv-shadow-md), var(--bv-shadow-inset-top);
}
.bv-operator-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--bv-border);
  background: rgba(255,255,255,0.02);
}
.bv-operator-dots { display: flex; gap: 6px; }
.bv-operator-dots span {
  width: 10px; height: 10px; border-radius: 999px;
  background: rgba(148,163,184,0.25);
}
.bv-operator-title {
  font-family: var(--bv-font-mono); font-size: 12px;
  color: var(--bv-text-muted); margin-left: 8px;
}
.bv-operator-body {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 360px;
}
@media (max-width: 720px) {
  .bv-operator-body { grid-template-columns: 1fr; }
  .bv-operator-side { display: none; }
}
.bv-operator-side {
  border-right: 1px solid var(--bv-border);
  padding: 18px;
  display: flex; flex-direction: column; gap: 4px;
  background: rgba(255,255,255,0.01);
}
.bv-operator-side-h {
  font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--bv-text-faint);
  margin: 12px 8px 6px; font-weight: 500;
}
.bv-operator-item {
  appearance: none;
  width: 100%;
  background: transparent;
  border: 0;
  text-align: left;
  font: inherit;
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 8px;
  font-size: 13px; color: var(--bv-text-muted); cursor: pointer;
  transition: all .15s;
}
.bv-operator-item:hover { background: rgba(255,255,255,0.03); color: var(--bv-text-primary); }
.bv-operator-item.is-active {
  background: rgba(59,130,246,0.12);
  color: var(--bv-text-primary);
  box-shadow: inset 2px 0 0 var(--bv-accent-cyan);
}
.bv-operator-item .dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--bv-status-success);
  margin-left: auto;
  box-shadow: 0 0 6px rgba(34,197,94,0.5);
  animation: bv-op-pulse 1.6s ease-in-out infinite;
}
@keyframes bv-op-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

/* Running indicator off state */
.bv-operator-controls .running.is-off { color: var(--bv-text-faint); }
.bv-operator-controls .running.is-off .dot {
  background: var(--bv-text-faint);
  box-shadow: none;
  animation: none;
}

/* Configure flash */
.bv-op-btn.is-flash {
  animation: bv-op-flash 0.5s ease-out;
}
@keyframes bv-op-flash {
  0% { box-shadow: 0 0 0 0 rgba(56,189,248,0.6); }
  100% { box-shadow: 0 0 0 12px rgba(56,189,248,0); }
}

/* Tile re-enter animation when session changes */
.bv-operator-tile-anim {
  animation: bv-tile-in 0.3s ease-out both;
}
.bv-operator-row > .bv-operator-tile-anim:nth-child(1) { animation-delay: 0ms; }
.bv-operator-row > .bv-operator-tile-anim:nth-child(2) { animation-delay: 40ms; }
.bv-operator-row > .bv-operator-tile-anim:nth-child(3) { animation-delay: 80ms; }
.bv-operator-row > .bv-operator-tile-anim:nth-child(4) { animation-delay: 120ms; }
@keyframes bv-tile-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Roadmap walking active highlight */
.bv-roadmap-item.is-walk .bv-roadmap-marker {
  background: var(--bv-accent-cyan);
  border-color: var(--bv-accent-cyan);
  box-shadow: 0 0 0 4px rgba(56,189,248,0.18);
  transition: all .35s ease;
}
.bv-roadmap-item.is-leading .bv-roadmap-marker {
  box-shadow: 0 0 0 5px rgba(56,189,248,0.28);
  transform: scale(1.1);
}
.bv-roadmap-item.is-walk .bv-roadmap-stage { color: var(--bv-accent-cyan); transition: color .25s; }
.bv-roadmap-item .bv-roadmap-marker,
.bv-roadmap-item .bv-roadmap-stage { transition: all .35s ease; }
.bv-roadmap-item:not(.is-walk):not(.is-now) .bv-roadmap-marker { opacity: 0.6; }

/* Animated progress line for desktop roadmap */
.bv-roadmap { --rm-progress: 0%; }
.bv-roadmap::after {
  content: ""; position: absolute;
  left: 8px; top: 16px; height: 1px;
  background: var(--bv-accent-cyan);
  width: var(--rm-progress);
  max-width: calc(100% - 16px);
  box-shadow: 0 0 8px rgba(56,189,248,0.5);
  transition: width 0.6s ease;
  pointer-events: none;
}
@media (max-width: 960px) {
  .bv-roadmap::after {
    left: 7px; top: 0;
    width: 1px; height: var(--rm-progress);
    max-width: none;
    transition: height 0.6s ease;
  }
}
.bv-operator-main {
  padding: 24px;
  display: flex; flex-direction: column; gap: 18px;
}
.bv-operator-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.bv-operator-tile {
  background: var(--bv-bg-primary);
  border: 1px solid var(--bv-border);
  border-radius: 12px;
  padding: 16px;
}
.bv-operator-tile .k {
  font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--bv-text-faint);
  margin-bottom: 10px; font-weight: 500;
}
.bv-operator-tile .v {
  font-family: var(--bv-font-display);
  font-size: 16px; color: var(--bv-text-primary);
  font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}
.bv-operator-tile .v .pill {
  font-family: var(--bv-font-mono);
  font-size: 11px; padding: 3px 8px;
  background: rgba(56,189,248,0.1);
  color: var(--bv-accent-cyan);
  border-radius: 999px;
  border: 1px solid rgba(56,189,248,0.25);
}
.bv-operator-controls {
  background: var(--bv-bg-primary);
  border: 1px solid var(--bv-border);
  border-radius: 12px;
  padding: 16px 18px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.bv-operator-controls .label {
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--bv-text-faint);
}
.bv-operator-controls .running {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--bv-font-mono); font-size: 13px;
  color: var(--bv-status-success);
}
.bv-operator-controls .running .dot {
  width: 8px; height: 8px; border-radius: 999px;
  background: var(--bv-status-success);
  box-shadow: 0 0 8px rgba(34,197,94,0.5);
  animation: pulse 1.6s ease-in-out infinite;
}
.bv-operator-actions { display: flex; gap: 8px; }
.bv-op-btn {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--bv-border);
  color: var(--bv-text-primary);
  border-radius: 8px;
  padding: 7px 12px; font-size: 12px;
  display: inline-flex; align-items: center; gap: 6px;
}
.bv-op-btn:hover { background: rgba(255,255,255,0.06); }
.bv-op-btn.primary {
  background: var(--bv-grad-accent);
  border-color: transparent; color: #fff;
}

.bv-operator-features {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
}
@media (max-width: 720px) { .bv-operator-features { grid-template-columns: 1fr; } }
.bv-operator-feature {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--bv-border);
  border-radius: 12px;
}
.bv-operator-feature svg { color: var(--bv-accent-cyan); flex-shrink: 0; margin-top: 1px; }
.bv-operator-feature span { font-size: 13.5px; color: var(--bv-text-muted); line-height: 1.5; }

/* Operator side-by-side layout */
.bv-operator-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 1000px) { .bv-operator-layout { grid-template-columns: 1fr; } }

.bv-operator-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 14px;
}
.bv-operator-list li {
  display: flex; gap: 14px; align-items: flex-start;
  font-size: 15px; color: var(--bv-text-muted); line-height: 1.55;
}
.bv-operator-list li svg {
  color: var(--bv-accent-cyan); flex-shrink: 0; margin-top: 3px;
}

/* ---------- Deployment cards ---------- */
.bv-deploy-card {
  background: var(--bv-bg-elevated);
  border: 1px solid var(--bv-border);
  border-radius: 16px;
  padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
  transition: all .2s;
  position: relative;
}
.bv-deploy-card:hover { border-color: var(--bv-border-strong); }
.bv-deploy-card.is-recommended {
  border-color: rgba(59,130,246,0.4);
  background: linear-gradient(180deg, rgba(59,130,246,0.05), transparent), var(--bv-bg-elevated);
}
.bv-deploy-tag {
  display: inline-flex; align-items: center;
  font-family: var(--bv-font-mono);
  font-size: 11px; color: var(--bv-accent-cyan);
  padding: 3px 10px;
  border: 1px solid rgba(56,189,248,0.3);
  background: rgba(56,189,248,0.08);
  border-radius: 999px;
  align-self: flex-start;
  letter-spacing: 0.06em;
}
.bv-deploy-card h4 {
  font-family: var(--bv-font-display);
  font-size: 19px; font-weight: 500;
  margin: 0; letter-spacing: -0.01em;
}
.bv-deploy-card p {
  font-size: 14.5px; color: var(--bv-text-muted);
  margin: 0; line-height: 1.6;
}

/* ---------- Built-in points grid (3-col cards) ---------- */
.bv-builtin-points-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.bv-builtin-point-card {
  background: var(--bv-bg-elevated);
  border: 1px solid var(--bv-border);
  border-radius: 16px;
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color .2s;
}
.bv-builtin-point-card:hover { border-color: var(--bv-border-strong); }
.bv-builtin-point-num {
  font-family: var(--bv-font-mono);
  font-size: 11px;
  color: var(--bv-accent-cyan);
  letter-spacing: 0.14em;
  margin-bottom: 4px;
}
.bv-builtin-point-card h4 {
  font-family: var(--bv-font-display);
  font-size: 18px; font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.bv-builtin-point-card p {
  font-size: 14.5px; color: var(--bv-text-muted);
  margin: 0; line-height: 1.6;
}
@media (max-width: 900px) {
  .bv-builtin-points-grid { grid-template-columns: 1fr; gap: 14px; }
}

/* Built-in section rhythm: tech note + operator panel + features */
#builtin .bv-tech-note { margin-bottom: 56px; }
#builtin .bv-operator { margin-bottom: 36px; }
.bv-builtin-features {
  max-width: 880px;
  display: grid !important;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 32px !important;
}
@media (max-width: 720px) {
  .bv-builtin-features { grid-template-columns: 1fr; }
}

/* ---------- Integration section (2 col with technical note) ---------- */
.bv-integration-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 56px; align-items: start;
}
@media (max-width: 960px) { .bv-integration-grid { grid-template-columns: 1fr; gap: 40px; } }

.bv-integration-points {
  display: flex; flex-direction: column; gap: 28px;
}
.bv-integration-point {
  display: flex; gap: 16px;
}
.bv-integration-point-num {
  font-family: var(--bv-font-mono);
  font-size: 12px;
  color: var(--bv-accent-cyan);
  flex: 0 0 36px;
  padding-top: 4px;
  letter-spacing: 0.06em;
}
.bv-integration-point h4 {
  font-family: var(--bv-font-display);
  font-size: 17px; font-weight: 500;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.bv-integration-point p {
  font-size: 14.5px; color: var(--bv-text-muted);
  margin: 0; line-height: 1.6;
}

.bv-tech-note {
  background: var(--bv-bg-secondary);
  border: 1px solid var(--bv-border);
  border-radius: 16px;
  padding: 28px;
  position: relative;
}
.bv-tech-note-h {
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--bv-text-faint);
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.bv-tech-note-h svg { color: var(--bv-accent-cyan); }
.bv-tech-note p {
  font-size: 14.5px; color: var(--bv-text-muted);
  line-height: 1.6; margin: 0 0 18px;
}
.bv-tech-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.bv-tech-tag {
  font-family: var(--bv-font-mono);
  font-size: 12px;
  padding: 5px 11px;
  border: 1px solid var(--bv-border);
  background: rgba(255,255,255,0.02);
  color: var(--bv-text-muted);
  border-radius: 999px;
}

/* ---------- Use cases ---------- */
.bv-usecase {
  background: var(--bv-bg-elevated);
  border: 1px solid var(--bv-border);
  border-radius: 16px;
  padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
  transition: all .2s;
  min-height: 220px;
}
.bv-usecase:hover { border-color: var(--bv-border-strong); }
.bv-usecase-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  border: 1px solid var(--bv-border);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--bv-accent-cyan);
  background: rgba(56,189,248,0.06);
}
.bv-usecase h4 {
  font-family: var(--bv-font-display);
  font-size: 19px; font-weight: 500;
  margin: 0; letter-spacing: -0.01em;
}
.bv-usecase p {
  font-size: 14.5px; color: var(--bv-text-muted);
  margin: 0; line-height: 1.6;
}

/* ---------- Deliver list ---------- */
.bv-deliver {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--bv-border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--bv-bg-elevated);
}
@media (max-width: 720px) { .bv-deliver { grid-template-columns: 1fr; } }
.bv-deliver-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 18px 22px;
  border-bottom: 1px solid var(--bv-border);
  border-right: 1px solid var(--bv-border);
  font-size: 14.5px;
  color: var(--bv-text-muted);
  line-height: 1.5;
}
.bv-deliver-item:nth-child(2n) { border-right: 0; }
@media (max-width: 720px) {
  .bv-deliver-item { border-right: 0; }
}
.bv-deliver-item svg {
  color: var(--bv-accent-cyan);
  flex-shrink: 0; margin-top: 3px;
}

/* ---------- Roadmap ---------- */
.bv-roadmap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}
.bv-roadmap::before {
  content: ""; position: absolute;
  left: 8px; right: 8px; top: 16px;
  height: 1px;
  background: var(--bv-border);
}
@media (max-width: 960px) {
  .bv-roadmap { grid-template-columns: 1fr; gap: 0; }
  .bv-roadmap::before { left: 7px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .bv-roadmap-item { padding-left: 32px; padding-bottom: 28px; }
  .bv-roadmap-marker { position: absolute; left: 0; top: 4px; margin: 0; }
}
.bv-roadmap-item { position: relative; }
.bv-roadmap-marker {
  width: 16px; height: 16px;
  border-radius: 999px;
  background: var(--bv-bg-primary);
  border: 2px solid var(--bv-border);
  margin-bottom: 28px;
  position: relative; z-index: 1;
}
.bv-roadmap-item.is-now .bv-roadmap-marker {
  background: var(--bv-accent-cyan);
  border-color: var(--bv-accent-cyan);
  box-shadow: 0 0 0 4px rgba(56,189,248,0.18);
}
.bv-roadmap-stage {
  font-family: var(--bv-font-mono);
  font-size: 11px;
  color: var(--bv-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 10px;
}
.bv-roadmap-item.is-now .bv-roadmap-stage { color: var(--bv-accent-cyan); }
.bv-roadmap-item h4 {
  font-family: var(--bv-font-display);
  font-size: 17px; font-weight: 500;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
  color: var(--bv-text-primary);
}
.bv-roadmap-item p {
  font-size: 14px; color: var(--bv-text-muted);
  margin: 0; line-height: 1.55;
}

/* ---------- Beyond voice ---------- */
.bv-beyond {
  background:
    radial-gradient(700px 360px at 80% 30%, rgba(59,130,246,0.08), transparent 60%),
    var(--bv-bg-secondary);
  border: 1px solid var(--bv-border);
  border-radius: 24px;
  padding: clamp(40px, 6vw, 64px);
  position: relative;
  overflow: hidden;
}
.bv-beyond h2 {
  font-family: var(--bv-font-display);
  font-size: clamp(26px, 3.4vw, 40px);
  margin: 0 0 18px;
  letter-spacing: -0.02em;
  font-weight: 500;
  max-width: 640px;
  text-wrap: balance;
}
.bv-beyond p {
  font-size: 16px; line-height: 1.65;
  color: var(--bv-text-muted);
  max-width: 640px; margin: 0 0 14px;
}
.bv-beyond-actions { margin-top: 28px; }

/* ---------- Final CTA / contact ---------- */
.bv-cta-section {
  background:
    radial-gradient(800px 400px at 30% 20%, rgba(59,130,246,0.1), transparent 60%),
    radial-gradient(600px 300px at 90% 90%, rgba(56,189,248,0.06), transparent 60%),
    var(--bv-bg-secondary);
  border-top: 1px solid var(--bv-border);
  border-bottom: 1px solid var(--bv-border);
}
.bv-cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 960px) { .bv-cta-grid { grid-template-columns: 1fr; gap: 48px; } }

.bv-cta-grid h2 {
  font-family: var(--bv-font-display);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 20px;
  text-wrap: balance;
}
.bv-cta-grid > div > p { font-size: 17px; color: var(--bv-text-muted); margin: 0 0 28px; line-height: 1.6; }

.bv-cta-meta {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--bv-border);
  display: flex; flex-direction: column; gap: 14px;
}
.bv-cta-meta-row {
  display: flex; align-items: center; gap: 12px;
  font-size: 14px; color: var(--bv-text-muted);
}
.bv-cta-meta-row svg { color: var(--bv-accent-cyan); flex-shrink: 0; }

/* Contact form */
.bv-form {
  background: var(--bv-bg-elevated);
  border: 1px solid var(--bv-border);
  border-radius: 20px;
  padding: 32px;
  display: flex; flex-direction: column; gap: 16px;
  box-shadow: var(--bv-shadow-md), var(--bv-shadow-inset-top);
}
.bv-form-field { display: flex; flex-direction: column; gap: 6px; }
.bv-form-field label {
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--bv-text-muted);
  font-weight: 500;
}
.bv-form-field input,
.bv-form-field textarea {
  width: 100%;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--bv-border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--bv-text-primary);
  font-family: inherit;
  font-size: 14.5px;
  outline: none;
  transition: all .15s;
}
.bv-form-field textarea { min-height: 110px; resize: vertical; line-height: 1.55; }
.bv-form-field input:focus,
.bv-form-field textarea:focus {
  border-color: rgba(59,130,246,0.5);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.bv-form-field input::placeholder,
.bv-form-field textarea::placeholder { color: var(--bv-text-faint); }

.bv-form .bv-btn { align-self: flex-start; margin-top: 4px; }

/* ---------- Footer ---------- */
.bv-footer {
  background: var(--bv-bg-primary);
  border-top: 1px solid var(--bv-border);
  padding: 56px 0 32px;
}
.bv-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 720px) { .bv-footer-grid { grid-template-columns: 1fr; gap: 32px; } }
.bv-footer-brand { display: flex; flex-direction: column; gap: 14px; max-width: 360px; }
.bv-footer-brand .lockup { display: flex; align-items: center; gap: 12px; }
.bv-footer-brand .lockup img { height: 28px; opacity: 0.9; }
.bv-footer-brand .tagline {
  font-size: 12px;
  color: var(--bv-text-faint);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}
.bv-footer-brand p {
  font-size: 14px; color: var(--bv-text-muted);
  margin: 0; line-height: 1.6;
}
.bv-footer-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.bv-social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--bv-border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--bv-text-muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease, transform 160ms ease;
}
.bv-social-link:hover {
  color: var(--bv-text-primary);
  border-color: rgba(56, 189, 248, 0.5);
  background: rgba(56, 189, 248, 0.08);
}
.bv-social-link:active { transform: translateY(1px); }
.bv-social-link--lg {
  padding: 12px 18px;
  font-size: 15px;
  gap: 10px;
  border-radius: 999px;
}
.bv-footer-col h5 {
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--bv-text-faint);
  margin: 0 0 14px; font-weight: 500;
}
.bv-footer-col ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.bv-footer-col a, .bv-footer-col li { font-size: 14px; color: var(--bv-text-muted); }
.bv-footer-col a:hover { color: var(--bv-text-primary); }

.bv-footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--bv-border);
  font-size: 13px; color: var(--bv-text-faint); flex-wrap: wrap; gap: 12px;
}

/* ---------- Toast ---------- */
.bv-toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--bv-bg-elevated);
  border: 1px solid var(--bv-border);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex; gap: 12px; align-items: center;
  font-size: 14px; color: var(--bv-text-primary);
  box-shadow: var(--bv-shadow-md);
  transform: translateY(8px); opacity: 0; pointer-events: none;
  transition: all .25s;
  z-index: 200;
  max-width: 360px;
}
.bv-toast.is-on { opacity: 1; transform: translateY(0); }
.bv-toast .ok {
  width: 22px; height: 22px; border-radius: 999px;
  background: var(--bv-status-success);
  display: flex; align-items: center; justify-content: center;
  color: #051; flex-shrink: 0;
}

/* Entrance */
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.bv-fade { animation: fadeUp .7s cubic-bezier(0.22, 0.61, 0.36, 1) both; }