/* ==========================================================================
   Backcountry Signal — shared design system (see DESIGN.md)
   Dark "night/off-grid" surfaces for brand moments; warm paper surfaces for
   reading and tasks. Signal orange is the only attention color — rationed.
   ========================================================================== */

:root {
  /* Dark surfaces */
  --bs-ink-deep:   #020907;  /* hero image underlay */
  --bs-ink:        #06110E;  /* primary dark background */
  --bs-ink-band:   #0B1C17;  /* gradient partner for dark CTA bands */
  --bs-card-dark:  #0F221C;  /* dark card on any surface */
  --bs-input-dark: #0A1411;  /* dark inputs and phone screens */

  /* Light surfaces */
  --bs-paper:      #FAF5EB;
  --bs-paper-alt:  #F3ECDD;
  --bs-card-light: #FFFDF7;

  /* Text on dark */
  --bs-td-primary:   #F7F3EA;
  --bs-td-body:      #C9D3CC;
  --bs-td-secondary: #A9B5AE;
  --bs-td-muted:     #8C9B94;
  --bs-td-faint:     #5E6E66;

  /* Text on light */
  --bs-tl-primary:   #22312B;
  --bs-tl-body:      #3A4A43;
  --bs-tl-secondary: #66746C;
  --bs-tl-faint:     #8B958D;

  /* Accent + semantic */
  --bs-accent:      #FF7A00;
  --bs-accent-deep: #D96206;
  --bs-green:       #1F8A5B;
  --bs-err:         #FF9B4D;

  /* Borders */
  --bs-line-light:  rgba(34, 49, 43, 0.14);
  --bs-line-dark:   rgba(140, 155, 148, 0.16);
  --bs-line-dark-strong: rgba(140, 155, 148, 0.4);
  --bs-line-accent: rgba(255, 122, 0, 0.45);

  /* Type — one clean family everywhere. --bs-font-mono is kept as an alias so
     existing rules keep working, but it now renders Manrope (the old IBM Plex
     Mono terminal look is retired); numbers stay aligned via tabular-nums. */
  --bs-font-display: 'Space Grotesk', 'Segoe UI', -apple-system, sans-serif;
  --bs-font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bs-font-mono: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Semantic red for true error states (admin health, failed sends) */
  --bs-red: #B83C26;

  /* Layout */
  --bs-wrap-marketing: 1160px;
  --bs-wrap-app: 1080px;
  --bs-pad-x: clamp(20px, 5vw, 56px);
  --bs-pad-section: clamp(76px, 8.5vw, 120px);
  --bs-card-pad: clamp(22px, 2.4vw, 30px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
/* Nothing may widen the page: one overflowing element otherwise lets mobile
   Safari pinch-zoom out to a broken canvas beyond the layout. (hidden is the
   fallback where clip is unsupported; clip avoids creating a scroll box.) */
html { overflow-x: hidden; overflow-x: clip; }

body {
  font-family: var(--bs-font-body);
  background: var(--bs-ink);
  color: var(--bs-td-body);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection { background: rgba(255, 122, 0, 0.3); color: #fff; }

img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--bs-font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
p { text-wrap: pretty; }

a { color: var(--bs-accent); text-decoration: none; transition: color 0.18s ease; }
a:hover { color: var(--bs-td-primary); }

/* ── Surfaces ─────────────────────────────────────────────────────────── */
.bs-dark  { background: var(--bs-ink); color: var(--bs-td-body); }
.bs-dark h1, .bs-dark h2, .bs-dark h3, .bs-dark h4 { color: var(--bs-td-primary); }

.bs-light { background: var(--bs-paper); color: var(--bs-tl-body); }
.bs-light h1, .bs-light h2, .bs-light h3, .bs-light h4 { color: var(--bs-tl-primary); }
.bs-light a:hover { color: var(--bs-tl-primary); }

.bs-band-alt { background: var(--bs-paper-alt); }

/* Topo texture for light surfaces — !important beats inline background: */
.bs-topo {
  background-image: url('/static/img/topo-light.png') !important;
  background-size: 800px 800px !important;
}

/* Dark CTA band */
.bs-cta-band { background: linear-gradient(180deg, var(--bs-ink-band), var(--bs-ink)); }

/* ── Wraps & sections ─────────────────────────────────────────────────── */
.bs-wrap { max-width: var(--bs-wrap-marketing); margin: 0 auto; padding-left: var(--bs-pad-x); padding-right: var(--bs-pad-x); }
.bs-wrap-app { max-width: var(--bs-wrap-app); margin: 0 auto; padding-left: var(--bs-pad-x); padding-right: var(--bs-pad-x); }
.bs-section { padding-top: var(--bs-pad-section); padding-bottom: var(--bs-pad-section); }

/* ── Eyebrow / kicker — Space Grotesk, never mono ─────────────────────── */
.bs-eyebrow {
  display: block;
  font-family: var(--bs-font-display);
  font-weight: 600;
  font-size: 13.5px;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--bs-accent);
  margin-bottom: 14px;
}
.bs-light .bs-eyebrow, .bs-band-alt .bs-eyebrow { color: var(--bs-accent-deep); }

.bs-h2 { font-size: clamp(28px, 3.4vw, 44px); }
.bs-mono { font-family: var(--bs-font-mono); }

/* ── Buttons ──────────────────────────────────────────────────────────── */
.bs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--bs-font-body);
  font-weight: 700;
  font-size: 15.5px;
  padding: 15px 26px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.bs-btn-primary { background: var(--bs-accent); color: var(--bs-ink); }
.bs-btn-primary:hover { background: var(--bs-td-primary); color: var(--bs-ink); }

.bs-btn-secondary { background: transparent; border-color: var(--bs-line-dark-strong); color: var(--bs-td-body); }
.bs-btn-secondary:hover { border-color: var(--bs-accent); color: var(--bs-accent); }
.bs-light .bs-btn-secondary, .bs-band-alt .bs-btn-secondary {
  border-color: rgba(34, 49, 43, 0.25); color: var(--bs-tl-primary);
}
.bs-light .bs-btn-secondary:hover, .bs-band-alt .bs-btn-secondary:hover {
  border-color: var(--bs-accent-deep); color: var(--bs-accent-deep);
}
/* dark cards sit on light surfaces too — dark-card context wins */
.bs-card--dark .bs-btn-secondary, .bs-card--featured .bs-btn-secondary {
  border-color: var(--bs-line-dark-strong); color: var(--bs-td-body);
}
.bs-card--dark .bs-btn-secondary:hover, .bs-card--featured .bs-btn-secondary:hover {
  border-color: var(--bs-accent); color: var(--bs-accent);
}
.bs-btn-block { width: 100%; }

/* Signal-bars ornament on primary CTAs: uneven "searching" bars at rest that
   lock into a rising full-signal pattern on hover (v3 spec) */
.bs-sig-bars { display: inline-flex; align-items: flex-end; gap: 2.5px; height: 17px; }
.bs-sig-bars i {
  width: 3px; border-radius: 1px; background: rgba(6, 17, 14, 0.5);
  transition: height 0.28s cubic-bezier(.34, 1.56, .64, 1), background 0.28s;
}
.bs-sig-bars i:nth-child(1) { height: 5px; }
.bs-sig-bars i:nth-child(2) { height: 9px; }
.bs-sig-bars i:nth-child(3) { height: 6px; background: rgba(6, 17, 14, 0.35); }
.bs-sig-bars i:nth-child(4) { height: 8px; background: rgba(6, 17, 14, 0.35); }
.bs-btn:hover .bs-sig-bars i { background: var(--bs-ink); }
.bs-btn:hover .bs-sig-bars i:nth-child(1) { height: 5px; }
.bs-btn:hover .bs-sig-bars i:nth-child(2) { height: 9px; }
.bs-btn:hover .bs-sig-bars i:nth-child(3) { height: 13px; }
.bs-btn:hover .bs-sig-bars i:nth-child(4) { height: 17px; }

/* ── Cards ────────────────────────────────────────────────────────────── */
.bs-card {
  background: var(--bs-card-light);
  border: 1px solid var(--bs-line-light);
  border-radius: 16px;
  padding: var(--bs-card-pad);
}
.bs-card-title {
  font-family: var(--bs-font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--bs-tl-primary);
}
.bs-card--dark {
  background: var(--bs-card-dark);
  border-color: var(--bs-line-dark);
  color: var(--bs-td-body);
}
.bs-card--dark .bs-card-title, .bs-card--dark h1, .bs-card--dark h2, .bs-card--dark h3 { color: var(--bs-td-primary); }
.bs-card--featured {
  position: relative;
  background: var(--bs-card-dark);
  border-color: var(--bs-line-accent);
  box-shadow: 0 12px 44px -18px rgba(255, 122, 0, 0.35);
  color: var(--bs-td-body);
}
.bs-card--featured .bs-card-title { color: var(--bs-td-primary); }

/* Floating badge pill on a featured card */
.bs-badge {
  position: absolute; top: 0; left: 24px; transform: translateY(-50%);
  font-family: var(--bs-font-mono);
  font-weight: 600; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  white-space: nowrap;
  padding: 5px 12px; border-radius: 999px;
  background: var(--bs-accent); color: var(--bs-ink);
}
.bs-badge--neutral { background: var(--bs-paper); color: var(--bs-tl-primary); }

.bs-lift { transition: transform 0.28s cubic-bezier(.22, 1, .36, 1), box-shadow 0.28s ease; }
.bs-lift:hover { transform: translateY(-4px); box-shadow: 0 18px 44px -22px rgba(34, 49, 43, 0.35); }

/* ── Feature bullets: mono — in accent ────────────────────────────────── */
.bs-features { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.bs-features li { display: flex; gap: 10px; font-size: 14.5px; }
.bs-features li::before {
  content: '—';
  font-family: var(--bs-font-mono);
  color: var(--bs-accent);
  flex-shrink: 0;
}
.bs-light .bs-features li::before, .bs-band-alt .bs-features li::before { color: var(--bs-accent-deep); }

/* ── Pills / status chips ─────────────────────────────────────────────── */
.bs-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--bs-font-mono);
  font-weight: 600; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--bs-line-light);
  background: var(--bs-paper-alt); color: var(--bs-tl-primary);
}
.bs-pill::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--bs-accent);
}
.bs-pill--ok { color: var(--bs-green); }
.bs-pill--ok::before { background: var(--bs-green); }
.bs-pill--err { color: var(--bs-accent-deep); }
.bs-pill--err::before { background: var(--bs-err); }
.bs-dark .bs-pill, .bs-card--dark .bs-pill, .bs-cta-band .bs-pill {
  background: rgba(140, 155, 148, 0.08); border-color: var(--bs-line-dark); color: var(--bs-td-body);
}
.bs-band-alt .bs-pill { background: var(--bs-card-light); }

/* ── Hairline rows (lists, steps, activity) ───────────────────────────── */
.bs-rows { list-style: none; }
.bs-rows > * { border-top: 1px solid var(--bs-line-light); padding: 14px 0; }
.bs-rows > *:first-child { border-top: none; }
.bs-card--dark .bs-rows > *, .bs-dark .bs-rows > * { border-top-color: var(--bs-line-dark); }

/* ── FAQ ──────────────────────────────────────────────────────────────── */
.bs-faq details { border-top: 1px solid var(--bs-line-light); }
.bs-faq details:last-child { border-bottom: 1px solid var(--bs-line-light); }
.bs-faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-family: var(--bs-font-display); font-weight: 600; font-size: 17px;
  color: var(--bs-tl-primary);
  padding: 18px 0; cursor: pointer; list-style: none;
}
.bs-faq summary::-webkit-details-marker { display: none; }
.bs-faq summary::after {
  content: '+';
  color: var(--bs-accent-deep);
  font-family: var(--bs-font-display); font-weight: 500; font-size: 22px; line-height: 1;
  transition: transform 0.25s cubic-bezier(.22, 1, .36, 1);
  flex-shrink: 0;
}
.bs-faq details[open] summary::after { transform: rotate(45deg); }
.bs-faq details > p { padding: 0 0 18px; font-size: 15px; max-width: 62ch; }

/* ── Forms ────────────────────────────────────────────────────────────── */
.bs-form label {
  display: block;
  font-family: var(--bs-font-body);
  font-weight: 700; font-size: 11.5px; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--bs-td-muted);
  margin: 18px 0 7px;
}
.bs-form input[type=text], .bs-form input[type=email], .bs-form input[type=password],
.bs-form input[type=tel], .bs-form input[type=number] {
  width: 100%;
  font-family: var(--bs-font-body);
  /* 16px is the iOS Safari auto-zoom threshold: any focused input below it
     makes Safari force-zoom the whole page in (e.g. on a failed native
     validation focusing this field), leaving the page pannable until the
     user manually zooms back out. Keep this at 16px, never smaller. */
  font-size: 16px;
  color: var(--bs-td-primary);
  background: var(--bs-input-dark);
  border: 1px solid var(--bs-line-dark);
  border-radius: 10px;
  padding: 13px 15px;
  outline: none;
  transition: border-color 0.18s ease;
}
.bs-form input::placeholder { color: var(--bs-td-faint); }
.bs-form input:focus { border-color: var(--bs-accent); }

.bs-error {
  font-family: var(--bs-font-body);
  font-size: 13.5px; font-weight: 600;
  color: var(--bs-err);
  border: 1px solid rgba(255, 155, 77, 0.35);
  border-radius: 10px;
  background: rgba(255, 122, 0, 0.06);
  padding: 11px 14px;
  margin-bottom: 6px;
}

.bs-consent,
.bs-form label.bs-consent {
  display: flex; gap: 10px; align-items: flex-start;
  font-family: var(--bs-font-body);
  font-weight: 400; font-size: 11.5px; line-height: 1.55;
  letter-spacing: 0; text-transform: none;
  color: var(--bs-td-faint);
  margin: 18px 0 0;
}
.bs-consent input { margin-top: 3px; accent-color: var(--bs-accent); width: auto; flex-shrink: 0; }
.bs-consent a { color: var(--bs-td-secondary); text-decoration: underline; }
.bs-consent a:hover { color: var(--bs-td-primary); }

.bs-microcopy {
  font-family: var(--bs-font-mono);
  font-size: 11.5px; letter-spacing: 0.02em;
  color: var(--bs-td-faint);
  text-align: center;
  margin-top: 14px;
}

/* ── Dark nav strip (marketing) ───────────────────────────────────────── */
.bs-nav {
  background: rgba(6, 17, 14, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--bs-line-dark);
  position: sticky; top: 0; z-index: 100;
}
.bs-nav-inner {
  max-width: var(--bs-wrap-marketing); margin: 0 auto;
  padding: 0 var(--bs-pad-x);
  height: 64px;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
}
.bs-logo {
  font-family: var(--bs-font-display);
  font-weight: 700; font-size: 18px; letter-spacing: -0.01em;
  color: var(--bs-td-primary);
  display: inline-flex; align-items: center; gap: 9px;
  white-space: nowrap;
}
.bs-logo:hover { color: var(--bs-td-primary); }
.bs-logo svg { width: 26px; height: 26px; flex-shrink: 0; }
/* Primary horizontal logo (icon + wordmark baked into one image) — sized by
   height, width follows its own aspect ratio. */
.bs-logo img { height: 30px; width: auto; flex-shrink: 0; }
.bs-logo-footer img { height: 20px; }
.bs-logo .accent { color: var(--bs-accent); }
.bs-nav-links { display: flex; align-items: center; gap: 26px; }
.bs-nav-links a { color: var(--bs-td-muted); font-weight: 600; font-size: 14px; }
.bs-nav-links a:hover { color: var(--bs-td-primary); }
.bs-nav .bs-btn { padding: 10px 18px; font-size: 14px; }
.bs-nav-links a.bs-btn-primary { color: var(--bs-ink); }
.bs-nav-links a.bs-btn-primary:hover { color: var(--bs-ink); background: var(--bs-td-primary); }

/* Hamburger + dropdown menu (mobile only) */
.bs-nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 4.5px;
  width: 42px; height: 42px; padding: 0 10px;
  background: transparent; border: 1px solid var(--bs-line-dark-strong);
  border-radius: 10px; cursor: pointer;
}
.bs-nav-toggle span {
  display: block; height: 2px; border-radius: 2px;
  background: var(--bs-td-primary);
  transition: transform 0.22s ease, opacity 0.22s ease;
}
.menu-open .bs-nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-open .bs-nav-toggle span:nth-child(2) { opacity: 0; }
.menu-open .bs-nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.bs-nav-menu {
  position: absolute; top: 100%; left: 0; right: 0;
  display: flex; flex-direction: column;
}
.bs-nav-menu[hidden] { display: none; }
.bs-nav-menu {
  background: var(--bs-ink);
  border-bottom: 1px solid var(--bs-line-dark);
  padding: 6px var(--bs-pad-x) 14px;
  box-shadow: 0 24px 48px -18px rgba(0, 0, 0, 0.6);
}
.bs-nav-menu a {
  padding: 13px 2px; font-weight: 600; font-size: 15.5px;
  color: var(--bs-td-body);
  border-top: 1px solid var(--bs-line-dark);
}
.bs-nav-menu a:first-child { border-top: none; }
.bs-nav-menu a:hover { color: var(--bs-td-primary); }
.bs-nav-menu a.menu-cta {
  margin-top: 12px; border-top: none;
  padding: 14px 20px; border-radius: 10px;
  color: var(--bs-ink); text-align: center;
}

/* ── Slim app top bar ─────────────────────────────────────────────────── */
.bs-appbar {
  background: var(--bs-ink);
  border-bottom: 1px solid var(--bs-line-dark);
  position: sticky; top: 0; z-index: 100;
}
.bs-appbar-inner {
  max-width: var(--bs-wrap-app); margin: 0 auto;
  padding: 0 var(--bs-pad-x);
  height: 54px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.bs-appbar-meta {
  display: flex; align-items: center; gap: 18px;
  font-family: var(--bs-font-body); font-size: 13px; font-weight: 500;
  color: var(--bs-td-muted);
}
.bs-appbar-meta a { color: var(--bs-td-secondary); font-family: var(--bs-font-body); font-weight: 600; font-size: 13px; }
.bs-appbar-meta a:hover { color: var(--bs-td-primary); }

/* ── Footer ───────────────────────────────────────────────────────────── */
.bs-footer {
  background: var(--bs-ink);
  border-top: 1px solid var(--bs-line-dark);
  margin-top: auto;
  padding: 44px 0 34px;
}
.bs-footer-inner {
  max-width: var(--bs-wrap-marketing); margin: 0 auto;
  padding: 0 var(--bs-pad-x);
  display: flex; flex-direction: column; gap: 22px;
}
.bs-footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 28px; flex-wrap: wrap; }
.bs-footer-blurb { max-width: 34ch; font-size: 14px; color: var(--bs-td-muted); margin-top: 10px; }
.bs-footer-links {
  display: flex; gap: 8px 22px; flex-wrap: wrap;
  font-family: var(--bs-font-mono); font-size: 12px; letter-spacing: 0.02em;
}
.bs-footer-links a { color: var(--bs-td-muted); }
.bs-footer-links a:hover { color: var(--bs-td-primary); }
.bs-footer-legal {
  border-top: 1px solid var(--bs-line-dark);
  padding-top: 20px;
  font-family: var(--bs-font-mono);
  font-size: 11.5px; line-height: 1.9;
  color: var(--bs-td-faint);
}

/* ── Flow screens (onboarding / auth) ─────────────────────────────────── */
.bs-flow {
  min-height: 100vh;
  display: flex; flex-direction: column;
  background:
    radial-gradient(ellipse 130% 70% at 50% -20%, rgba(15, 34, 28, 0.9) 0%, transparent 62%),
    linear-gradient(180deg, var(--bs-ink-band), var(--bs-ink) 55%);
}
.bs-flow-main {
  flex: 1;
  width: min(480px, 100%);
  margin: 0 auto;
  padding: clamp(28px, 6vh, 64px) 20px 48px;
  display: flex; flex-direction: column; justify-content: center;
}
.bs-flow h1 {
  font-size: clamp(26px, 4.5vw, 36px);
  color: var(--bs-td-primary);
  margin-bottom: 10px;
}
.bs-flow .bs-sub { font-size: 15px; color: var(--bs-td-muted); margin-bottom: 26px; }
.bs-flow .bs-sub strong { color: var(--bs-td-body); font-weight: 600; }

/* Numbered progress dots */
.bs-steps {
  display: flex; align-items: center; justify-content: center; gap: 0;
  margin-bottom: clamp(28px, 5vh, 44px);
}
.bs-step { display: flex; align-items: center; gap: 10px; }
.bs-step .dot {
  width: 26px; height: 26px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--bs-font-mono); font-size: 11.5px; font-weight: 600;
  border: 1px solid var(--bs-line-dark-strong);
  color: var(--bs-td-muted);
  flex-shrink: 0;
}
.bs-step .lbl {
  font-family: var(--bs-font-display); font-weight: 600; font-size: 12.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--bs-td-muted);
}
.bs-step.is-active .dot { background: var(--bs-accent); border-color: var(--bs-accent); color: var(--bs-ink); }
.bs-step.is-active .lbl { color: var(--bs-td-primary); }
.bs-step.is-done .dot { background: var(--bs-accent); border-color: var(--bs-accent); color: var(--bs-ink); }
.bs-step-rule { width: clamp(18px, 4vw, 38px); height: 1px; background: var(--bs-line-dark-strong); margin: 0 12px; }

.bs-flow-footer {
  padding: 22px 20px calc(24px + env(safe-area-inset-bottom));
  text-align: center;
  font-family: var(--bs-font-mono);
  font-size: 11.5px; line-height: 1.9; letter-spacing: 0.02em;
  color: var(--bs-td-faint);
}
.bs-flow-footer b { color: var(--bs-td-muted); font-weight: 600; }
.bs-flow-footer a { color: var(--bs-td-muted); }

/* ── Simulated phone — signature element ──────────────────────────────── */
.bs-phone {
  width: 290px; aspect-ratio: 290 / 625;
  border-radius: 54px;
  background: linear-gradient(155deg, #39423f, #1a211f 50%, #242c2a);
  padding: 11px;
  box-shadow:
    0 40px 90px -30px rgba(0, 0, 0, 0.85),
    inset 0 1px 1px rgba(247, 243, 234, 0.18);
  position: relative;
}
.bs-phone-screen {
  background: var(--bs-input-dark);
  border-radius: 44px;
  height: 100%;
  overflow: hidden;
  display: flex; flex-direction: column;
  position: relative;
}
.bs-phone-notch {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  width: 86px; height: 22px; border-radius: 12px;
  background: #050b09;
  z-index: 3;
}
.bs-phone-status {
  display: flex; justify-content: space-between; align-items: center;
  padding: 46px 20px 10px;
  font-family: var(--bs-font-mono); font-size: 10px; letter-spacing: 0.06em;
  color: var(--bs-td-muted);
  border-bottom: 1px solid var(--bs-line-dark);
}
.bs-phone-status .sat { display: inline-flex; align-items: center; gap: 5px; color: var(--bs-td-secondary); }
.bs-phone-thread {
  flex: 1;
  padding: 14px 12px 18px;
  display: flex; flex-direction: column; gap: 8px;
  overflow: hidden;
}
.bs-bubble {
  max-width: 84%;
  padding: 9px 13px;
  border-radius: 15px;
  font-size: 13px; line-height: 1.45;
  color: var(--bs-td-primary);
  animation: bsBubble 0.45s cubic-bezier(.22, 1, .36, 1) both;
}
.bs-bubble--user {
  align-self: flex-end;
  background: linear-gradient(160deg, #2E5A46, #264A3A);
  border-bottom-right-radius: 5px;
}
.bs-bubble--assistant {
  align-self: flex-start;
  background: #182B24;
  border-bottom-left-radius: 5px;
  box-shadow: 0 0 22px -4px rgba(255, 122, 0, 0.18);
}
.bs-bubble--stamp {
  align-self: center;
  background: none; padding: 2px 0;
  font-family: var(--bs-font-mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--bs-td-faint);
}
.bs-typing { display: inline-flex; gap: 4px; align-items: center; padding: 12px 14px; }
.bs-typing i {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--bs-td-muted); opacity: 0.4;
  animation: bsTyping 1.1s infinite;
}
.bs-typing i:nth-child(2) { animation-delay: 0.18s; }
.bs-typing i:nth-child(3) { animation-delay: 0.36s; }

@keyframes bsBubble {
  from { opacity: 0; transform: translateY(11px); }
  to   { opacity: 1; transform: none; }
}
@keyframes bsTyping {
  0%, 100% { opacity: 0.35; transform: none; }
  45%      { opacity: 1; transform: translateY(-3px); }
}
@keyframes bsIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}
.bs-in { animation: bsIn 0.45s cubic-bezier(.22, 1, .36, 1) both; }

/* ── Photography ──────────────────────────────────────────────────────── */
.bs-photo {
  border-radius: 16px;
  border: 1px solid var(--bs-line-light);
  overflow: hidden;
}
.bs-photo img { width: 100%; height: 100%; object-fit: cover; }

/* ── Tables (app data) ────────────────────────────────────────────────── */
.bs-table-scroll { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.bs-table { width: 100%; border-collapse: collapse; }
.bs-table th {
  text-align: left; padding: 10px 10px 10px 0;
  font-family: var(--bs-font-display); font-weight: 600;
  font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--bs-tl-secondary);
  border-bottom: 1px solid var(--bs-line-light);
}
.bs-table td {
  padding: 11px 10px 11px 0;
  border-top: 1px solid var(--bs-line-light);
  font-family: var(--bs-font-body); font-size: 13.5px;
  font-variant-numeric: tabular-nums;
  color: var(--bs-tl-body);
}
.bs-table tr:first-child td { border-top: none; }

/* ── Motion opt-out ───────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bs-lift, .bs-lift:hover { transform: none; transition: none; box-shadow: none; }
  .bs-sig-bars i { transition: none; }
  .bs-bubble, .bs-in { animation: none; }
  .bs-typing i { animation: none; }
}

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .bs-nav-links a:not(.bs-btn) { display: none; }
  .bs-nav-toggle { display: flex; }
  .bs-nav-links { gap: 10px; }
}
@media (min-width: 861px) {
  .bs-nav-menu { display: none !important; }
}
/* Phones: the top bar is logo + hamburger only. The CTA lives in the hero
   and the menu — a pill in the bar collides with the wordmark on iOS. */
@media (max-width: 640px) {
  .bs-nav-links a.bs-btn { display: none; }
  .bs-eyebrow { font-size: 11px; letter-spacing: 0.08em; margin-bottom: 10px; }
}
/* Small screens: keep the logo + CTA on one row without overflow */
@media (max-width: 520px) {
  .bs-logo { font-size: 14px; gap: 7px; }
  .bs-logo img { height: 24px; }
  .bs-nav-inner { gap: 10px; }
  .bs-nav .bs-btn { padding: 9px 13px; font-size: 12.5px; }
}
@media (max-width: 620px) {
  .bs-step .lbl { display: none; }
  .bs-step-rule { margin: 0 8px; }
}
@media (max-width: 640px) {
  table.bs-responsive thead { display: none; }
  table.bs-responsive, table.bs-responsive tbody,
  table.bs-responsive tr, table.bs-responsive td { display: block; width: 100%; }
  table.bs-responsive tr {
    border: 1px solid var(--bs-line-light);
    border-radius: 14px;
    background: var(--bs-card-light);
    padding: 4px 14px;
    margin-bottom: 10px;
  }
  table.bs-responsive td {
    display: flex; justify-content: space-between; align-items: center; gap: 14px;
    padding: 8px 0; border: none;
    border-bottom: 1px solid var(--bs-line-light);
    text-align: right;
  }
  table.bs-responsive tr td:last-child { border-bottom: none; }
  table.bs-responsive td::before {
    content: attr(data-label);
    font-family: var(--bs-font-display); font-weight: 600;
    font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--bs-tl-secondary);
    text-align: left; flex-shrink: 0;
  }
  /* A long unbreakable value (e.g. a URL or key in a failure reason) must wrap
     instead of forcing the stacked card wider than the screen — which zoomed
     the layout out and let the page scroll left/right on phones. */
  table.bs-responsive td {
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
  }
  /* Free-text cells (a failure reason) read far better stacked: label on top,
     the full-width wrapping value below — not squeezed into a right-aligned
     flex row a long token can't break out of. */
  table.bs-responsive td.wrap-cell {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
    gap: 4px;
  }
}