/* Bond Tracker landing page. Visual language intentionally matches /features/. */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --bt-bg: #f8fafc;
  --bt-bg-alt: #f1f5f9;
  --bt-surface: #ffffff;
  --bt-surface-soft: rgba(255, 255, 255, .76);
  --bt-ink: #0f172a;
  --bt-copy: #475569;
  --bt-muted: #64748b;
  --bt-border: rgba(15, 23, 42, .09);
  --bt-border-strong: rgba(15, 23, 42, .14);
  --bt-blue: #2E86C1;
  --bt-blue-dark: #1a5276;
  --bt-blue-bright: #3b82f6;
  --bt-cyan: #06b6d4;
  --bt-green: #10b981;
  --bt-gold: #f59e0b;
  --bt-shadow: 0 24px 70px rgba(15, 23, 42, .12);
  --bt-shadow-card: 0 14px 40px rgba(15, 23, 42, .06);
  --bt-nav: rgba(248, 250, 252, .9);
  --bt-browser-bar: #e2e8f0;
  --bt-focus: 0 0 0 3px rgba(46, 134, 193, .35);
}

html.dark,
body.dark-theme,
body.premium-dark-theme {
  --bt-bg: #0b0f1a;
  --bt-bg-alt: #0f1629;
  --bt-surface: #111827;
  --bt-surface-soft: rgba(15, 23, 42, .78);
  --bt-ink: #f8fafc;
  --bt-copy: #a8b2bd;
  --bt-muted: #8b99aa;
  --bt-border: rgba(255, 255, 255, .08);
  --bt-border-strong: rgba(255, 255, 255, .14);
  --bt-blue: #3f9bd8;
  --bt-blue-dark: #60a5fa;
  --bt-blue-bright: #60a5fa;
  --bt-shadow: 0 28px 90px rgba(0, 0, 0, .48);
  --bt-shadow-card: 0 18px 48px rgba(0, 0, 0, .24);
  --bt-nav: rgba(11, 15, 26, .9);
  --bt-browser-bar: #1e293b;
}

html { scroll-behavior: smooth; }
body { background: var(--bt-bg) !important; }
.content-wrapper { background: var(--bt-bg) !important; }
.footer.main-footer { position: static !important; height: auto; }
.bond-tracker-page {
  background: var(--bt-bg);
  color: var(--bt-copy);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  height: auto !important;
  min-height: 100vh;
}
.bond-tracker-page a:focus-visible,
.bond-tracker-page summary:focus-visible { outline: none; box-shadow: var(--bt-focus); }
.bt-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.bt-section { padding: 96px 0; background: var(--bt-bg); }
.bt-section-alt { background: var(--bt-bg-alt); }
.bt-section[id] { scroll-margin-top: 116px; }

.bt-hero { position: relative; overflow: hidden; padding: 104px 0 90px; background: var(--bt-bg); isolation: isolate; }
.bt-glow { position: absolute; z-index: -1; border-radius: 999px; filter: blur(2px); pointer-events: none; }
.bt-glow-one { width: 640px; height: 640px; top: -240px; right: -120px; background: radial-gradient(circle, rgba(46, 134, 193, .15), transparent 68%); }
.bt-glow-two { width: 460px; height: 460px; bottom: -200px; left: -130px; background: radial-gradient(circle, rgba(16, 185, 129, .09), transparent 68%); }
.bt-hero-grid { display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 64px; }
.bt-eyebrow,
.bt-kicker { color: var(--bt-blue-bright); font-size: .78rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.bt-eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 22px; padding: 7px 14px; border: 1px solid rgba(59, 130, 246, .24); border-radius: 999px; background: rgba(59, 130, 246, .08); letter-spacing: .04em; text-transform: none; }
.bt-hero h1 { max-width: 660px; margin: 0 0 24px; color: var(--bt-ink); font-size: clamp(2.65rem, 5.5vw, 4.75rem); font-weight: 900; line-height: .99; letter-spacing: -.055em; }
.bt-hero h1 span { background: linear-gradient(135deg, var(--bt-blue-bright), var(--bt-cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bt-hero-lead { max-width: 620px; margin: 0 0 32px; color: var(--bt-copy); font-size: 1.09rem; line-height: 1.78; }
.bt-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.bt-btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 50px; padding: 13px 24px; border: 1px solid transparent; border-radius: 12px; font-size: .95rem; font-weight: 750; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease; }
.bt-btn:hover { transform: translateY(-2px); text-decoration: none; }
.bt-btn-primary { color: #fff; background: linear-gradient(135deg, #2E86C1, #2563eb); box-shadow: 0 9px 24px rgba(37, 99, 235, .28); }
.bt-btn-primary:hover { color: #fff; box-shadow: 0 13px 32px rgba(37, 99, 235, .38); }
.bt-btn-secondary { color: var(--bt-ink); border-color: var(--bt-border-strong); background: var(--bt-surface-soft); }
.bt-btn-secondary:hover { color: var(--bt-blue-bright); border-color: rgba(59, 130, 246, .42); }
.bt-cta-note { margin: 13px 0 0; color: var(--bt-muted); font-size: .72rem; }
.bt-cta-note i { margin-right: 5px; color: var(--bt-green); }
.bt-proof { display: flex; gap: 18px; margin-top: 32px; }
.bt-proof div { display: flex; flex: 1; flex-direction: column; min-width: 0; }
.bt-proof div + div { padding-left: 18px; border-left: 1px solid var(--bt-border-strong); }
.bt-proof strong { color: var(--bt-ink); font-size: .9rem; line-height: 1.3; }
.bt-proof span { margin-top: 4px; color: var(--bt-muted); font-size: .72rem; line-height: 1.35; }

.bt-hero-visual { position: relative; min-width: 0; }
.bt-browser { overflow: hidden; border: 1px solid var(--bt-border); border-radius: 18px; background: var(--bt-surface); box-shadow: var(--bt-shadow); }
.bt-browser-bar { display: flex; align-items: center; gap: 7px; height: 38px; padding: 0 14px; background: var(--bt-browser-bar); }
.bt-dot { width: 9px; height: 9px; border-radius: 50%; }
.bt-dot-red { background: #ef4444; }.bt-dot-yellow { background: #f59e0b; }.bt-dot-green { background: #10b981; }
.bt-browser-label { min-width: 0; margin-left: 7px; overflow: hidden; color: var(--bt-muted); font-size: .68rem; text-overflow: ellipsis; white-space: nowrap; }
.bt-browser a { display: block; }
.bt-browser img { display: block; width: 100%; height: auto; }
.bt-image-dark { display: none !important; }
.bt-image-light { display: block !important; }
html.dark .bt-image-dark,
body.dark-theme .bt-image-dark,
body.premium-dark-theme .bt-image-dark { display: block !important; }
html.dark .bt-image-light,
body.dark-theme .bt-image-light,
body.premium-dark-theme .bt-image-light { display: none !important; }
.bt-browser-hero { transform: perspective(1400px) rotateY(-2.5deg) rotateX(1deg); }
.bt-float-card { position: absolute; z-index: 2; display: flex; border: 1px solid var(--bt-border-strong); border-radius: 12px; color: var(--bt-ink); background: var(--bt-surface-soft); box-shadow: var(--bt-shadow-card); backdrop-filter: blur(16px); }
.bt-float-yield { right: -25px; bottom: -30px; flex-direction: column; min-width: 142px; padding: 14px 18px; }
.bt-float-yield span { color: var(--bt-muted); font-size: .7rem; }
.bt-float-yield strong { margin-top: 2px; color: var(--bt-green); font-size: 1.35rem; }
.bt-float-price { left: -24px; top: -22px; align-items: center; gap: 9px; padding: 11px 15px; font-size: .74rem; font-weight: 700; }
.bt-float-price i { color: var(--bt-blue-bright); }

.bt-section-nav { position: sticky; top: 58px; z-index: 800; border-top: 1px solid var(--bt-border); border-bottom: 1px solid var(--bt-border); background: var(--bt-nav); backdrop-filter: blur(14px); }
.bt-section-nav-inner { display: flex; align-items: center; justify-content: center; gap: 8px; overflow-x: auto; padding-top: 10px; padding-bottom: 10px; scrollbar-width: none; }
.bt-section-nav-inner::-webkit-scrollbar { display: none; }
.bt-section-nav a { flex: 0 0 auto; padding: 7px 13px; border-radius: 999px; color: var(--bt-muted); font-size: .8rem; font-weight: 650; text-decoration: none; }
.bt-section-nav a:hover { color: var(--bt-ink); background: rgba(59, 130, 246, .09); }

.bt-section-heading { max-width: 740px; margin: 0 auto 52px; text-align: center; }
.bt-section-heading h2,
.bt-showcase-copy h2,
.bt-curve-copy h3,
.bt-cta-panel h2 { color: var(--bt-ink); letter-spacing: -.035em; }
.bt-section-heading h2,
.bt-showcase-copy h2 { margin: 10px 0 16px; font-size: clamp(2rem, 4vw, 3rem); font-weight: 850; line-height: 1.12; }
.bt-section-heading p { margin: 0; color: var(--bt-copy); font-size: 1.04rem; line-height: 1.78; }
.bt-capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.bt-card { height: 100%; padding: 26px; border: 1px solid var(--bt-border); border-radius: 18px; background: var(--bt-surface); box-shadow: var(--bt-shadow-card); transition: transform .25s ease, border-color .25s ease; }
.bt-card:hover { transform: translateY(-5px); border-color: rgba(59, 130, 246, .26); }
.bt-card-icon { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 20px; border-radius: 13px; font-size: 1.1rem; }
.bt-icon-blue { color: #3b82f6; background: rgba(59, 130, 246, .11); }
.bt-icon-cyan { color: #06b6d4; background: rgba(6, 182, 212, .11); }
.bt-icon-gold { color: #d97706; background: rgba(245, 158, 11, .12); }
.bt-icon-green { color: #059669; background: rgba(16, 185, 129, .12); }
.bt-card h3 { margin: 0 0 9px; color: var(--bt-ink); font-size: 1.04rem; font-weight: 750; }
.bt-card p { margin: 0; color: var(--bt-copy); font-size: .89rem; line-height: 1.72; }
.bt-manual-panel { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 38px; margin-top: 22px; padding: 32px; border: 1px solid rgba(59, 130, 246, .2); border-radius: 20px; background: linear-gradient(135deg, rgba(46, 134, 193, .1), rgba(6, 182, 212, .035)); }
.bt-manual-copy h3 { margin: 8px 0 9px; color: var(--bt-ink); font-size: 1.35rem; font-weight: 800; line-height: 1.25; }
.bt-manual-copy p { margin: 0; color: var(--bt-copy); font-size: .86rem; line-height: 1.66; }
.bt-manual-copy .bt-term-list { margin-top: 10px; }
.bt-term-list strong { color: var(--bt-ink); }
.bt-value-paths { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.bt-value-paths > div { min-height: 145px; padding: 20px; border: 1px solid var(--bt-border); border-radius: 15px; background: var(--bt-surface-soft); }
.bt-io-label { display: flex; align-items: center; gap: 8px; color: var(--bt-ink); font-size: .83rem; font-weight: 800; }
.bt-io-label i { color: var(--bt-blue-bright); }
.bt-value-paths p { margin: 12px 0 0; color: var(--bt-copy); font-size: .79rem; line-height: 1.62; }

.bt-showcase-grid,
.bt-calculator-grid { display: grid; align-items: center; gap: 58px; }
.bt-showcase-grid { grid-template-columns: .82fr 1.18fr; }
.bt-calculator-grid { grid-template-columns: 1.15fr .85fr; }
.bt-large-copy { margin: 0 0 28px; color: var(--bt-copy); font-size: 1rem; line-height: 1.78; }
.bt-check-list { display: grid; gap: 18px; margin: 0 0 26px; padding: 0; list-style: none; }
.bt-check-list li { display: flex; align-items: flex-start; gap: 13px; }
.bt-check-list > li > span { display: grid; flex: 0 0 27px; place-items: center; width: 27px; height: 27px; margin-top: 2px; border-radius: 8px; color: var(--bt-green); background: rgba(16, 185, 129, .11); font-size: .72rem; }
.bt-check-list strong { display: block; margin-bottom: 3px; color: var(--bt-ink); font-size: .95rem; }
.bt-check-list p { margin: 0; color: var(--bt-copy); font-size: .86rem; line-height: 1.58; }
.bt-text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--bt-blue-bright); font-size: .91rem; font-weight: 750; text-decoration: none; }
.bt-text-link:hover { color: var(--bt-blue-dark); text-decoration: none; }
.bt-showcase-browser { border-radius: 15px; }

.bt-pricing-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: stretch; gap: 13px; margin-bottom: 28px; }
.bt-flow-step { position: relative; overflow: hidden; min-height: 210px; padding: 28px; border: 1px solid var(--bt-border); border-radius: 18px; background: var(--bt-surface); }
.bt-flow-step > span { position: absolute; top: 10px; right: 17px; color: rgba(100, 116, 139, .13); font-size: 3.1rem; font-weight: 900; line-height: 1; }
.bt-flow-step i { position: relative; color: var(--bt-blue-bright); font-size: 1.25rem; }
.bt-flow-step h3 { position: relative; margin: 25px 0 8px; color: var(--bt-ink); font-size: 1.02rem; font-weight: 750; }
.bt-flow-step p { position: relative; margin: 0; color: var(--bt-copy); font-size: .85rem; line-height: 1.65; }
.bt-flow-arrow { display: grid; place-items: center; color: var(--bt-blue-bright); opacity: .5; }
.bt-curve-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; padding: 34px; border: 1px solid rgba(59, 130, 246, .18); border-radius: 20px; background: linear-gradient(135deg, rgba(46, 134, 193, .09), rgba(6, 182, 212, .035)); }
.bt-mini-label { color: var(--bt-blue-bright); font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.bt-curve-copy h3 { margin: 8px 0 9px; font-size: 1.35rem; font-weight: 800; line-height: 1.25; }
.bt-curve-copy p { margin: 0; color: var(--bt-copy); font-size: .86rem; line-height: 1.65; }
.bt-curve-chips { display: flex; align-content: center; align-items: center; flex-wrap: wrap; gap: 8px; }
.bt-curve-chips span { display: inline-flex; align-items: center; gap: 7px; padding: 7px 11px; border: 1px solid var(--bt-border); border-radius: 999px; color: var(--bt-copy); background: var(--bt-surface-soft); font-size: .76rem; font-weight: 650; }
.bt-curve-chips b { display: grid; place-items: center; min-width: 22px; height: 22px; padding: 0 4px; border-radius: 50%; color: #fff; background: var(--bt-blue); font-size: .59rem; }
.bt-method-links { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 20px; }
.bt-method-links > a { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; padding: 17px 19px; border: 1px solid var(--bt-border); border-radius: 14px; color: var(--bt-blue-bright); background: var(--bt-surface); text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.bt-method-links > a:hover { transform: translateY(-2px); border-color: rgba(59, 130, 246, .3); }
.bt-method-links span { display: flex; flex-direction: column; }
.bt-method-links strong { color: var(--bt-ink); font-size: .88rem; }
.bt-method-links small { margin-top: 2px; color: var(--bt-muted); font-size: .73rem; }

.bt-calculator-browser { background: #0b1018; }
.bt-calculator-browser img { width: 100%; height: auto; }
.bt-metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 26px 0; }
.bt-metric-grid div { display: flex; flex-direction: column; min-height: 82px; padding: 14px; border: 1px solid var(--bt-border); border-radius: 12px; background: var(--bt-surface); }
.bt-metric-grid strong { color: var(--bt-blue-bright); font-size: 1rem; }
.bt-metric-grid span { margin-top: 5px; color: var(--bt-muted); font-size: .68rem; line-height: 1.35; }
.bt-no-account { margin: 15px 0 0; color: var(--bt-muted); font-size: .73rem; }
.bt-no-account i { margin-right: 5px; color: var(--bt-green); }

.bt-workflow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: workflow; }
.bt-workflow-grid article { position: relative; min-height: 260px; padding: 32px; border: 1px solid var(--bt-border); border-radius: 18px; background: var(--bt-surface); }
.bt-workflow-grid article > span { position: absolute; top: 23px; right: 25px; color: var(--bt-muted); font-size: .72rem; font-weight: 800; }
.bt-workflow-icon { display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 34px; border-radius: 15px; color: #fff; background: linear-gradient(135deg, #2E86C1, #2563eb); box-shadow: 0 10px 28px rgba(37, 99, 235, .2); }
.bt-workflow-grid h3 { margin: 0 0 9px; color: var(--bt-ink); font-size: 1.08rem; font-weight: 750; }
.bt-workflow-grid p { margin: 0; color: var(--bt-copy); font-size: .88rem; line-height: 1.7; }

.bt-faq-shell { max-width: 900px; }
.bt-faq-list { border-top: 1px solid var(--bt-border); }
.bt-faq-list details { border-bottom: 1px solid var(--bt-border); }
.bt-faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 23px 4px; color: var(--bt-ink); font-size: .98rem; font-weight: 700; cursor: pointer; list-style: none; }
.bt-faq-list summary::-webkit-details-marker { display: none; }
.bt-faq-list summary i { flex: 0 0 auto; color: var(--bt-blue-bright); font-size: .72rem; transition: transform .2s ease; }
.bt-faq-list details[open] summary i { transform: rotate(45deg); }
.bt-faq-list details p { max-width: 780px; margin: -5px 0 23px; color: var(--bt-copy); font-size: .9rem; line-height: 1.75; }

.bt-final-cta { padding: 90px 0; background: var(--bt-bg); }
.bt-cta-panel { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 50px; border: 1px solid rgba(59, 130, 246, .2); border-radius: 24px; background: linear-gradient(135deg, rgba(46, 134, 193, .12), rgba(37, 99, 235, .055)); }
.bt-cta-panel::after { content: ''; position: absolute; right: -120px; bottom: -180px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(6, 182, 212, .14), transparent 70%); pointer-events: none; }
.bt-cta-panel > * { position: relative; z-index: 1; }
.bt-cta-panel h2 { max-width: 600px; margin: 10px 0 9px; font-size: clamp(2rem, 4vw, 3.1rem); font-weight: 880; line-height: 1.08; }
.bt-cta-panel p { margin: 0; color: var(--bt-copy); }
.bt-cta-panel .bt-actions { flex: 0 0 auto; flex-direction: column; align-items: stretch; }

@media (max-width: 1050px) {
  .bt-hero-grid { grid-template-columns: 1fr; gap: 62px; }
  .bt-hero-copy { max-width: 760px; }
  .bt-hero-visual { width: min(880px, 95%); margin: 0 auto; }
  .bt-capability-grid { grid-template-columns: repeat(2, 1fr); }
  .bt-showcase-grid,
  .bt-calculator-grid { grid-template-columns: 1fr; }
  .bt-calculator-grid .bt-browser { order: 2; }
  .bt-showcase-browser { width: 100%; }
  .bt-manual-panel { grid-template-columns: 1fr; gap: 24px; }
  .bt-pricing-flow { grid-template-columns: repeat(2, 1fr); }
  .bt-flow-arrow { display: none; }
  .bt-curve-panel { grid-template-columns: 1fr; gap: 24px; }
  .bt-cta-panel { align-items: flex-start; flex-direction: column; }
  .bt-cta-panel .bt-actions { flex-direction: row; }
}

@media (max-width: 760px) {
  .bt-shell { width: min(100% - 28px, 1180px); }
  .bt-section { padding: 72px 0; }
  .bt-hero { padding: 76px 0 68px; }
  .bt-hero h1 { font-size: clamp(2.45rem, 12.5vw, 3.55rem); }
  .bt-hero-lead { font-size: 1rem; }
  .bt-hero-visual { width: 100%; }
  .bt-float-card { display: none; }
  .bt-browser-hero { transform: none; }
  .bt-section-nav { top: 53px; }
  .bt-section-nav-inner { justify-content: flex-start; }
  .bt-section-heading { margin-bottom: 38px; }
  .bt-capability-grid,
  .bt-workflow-grid { grid-template-columns: 1fr; }
  .bt-pricing-flow { grid-template-columns: 1fr; }
  .bt-flow-step { min-height: 0; }
  .bt-value-paths { grid-template-columns: 1fr; }
  .bt-value-paths > div { min-height: 0; }
  .bt-method-links { grid-template-columns: 1fr; }
  .bt-cta-panel { padding: 35px 25px; }
  .bt-cta-panel .bt-actions { flex-direction: column; width: 100%; }
}

@media (max-width: 520px) {
  .bt-actions { align-items: stretch; flex-direction: column; }
  .bt-btn { width: 100%; }
  .bt-proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .bt-proof div { min-width: 0; }
  .bt-proof div + div { padding-left: 9px; }
  .bt-proof strong { font-size: .78rem; }
  .bt-proof span { font-size: .63rem; }
  .bt-browser-bar { height: 32px; }
  .bt-capability-grid { grid-template-columns: 1fr; }
  .bt-curve-panel { padding: 24px; }
  .bt-curve-chips span { padding: 6px 9px; font-size: .69rem; }
  .bt-metric-grid { grid-template-columns: repeat(2, 1fr); }
  .bt-faq-list summary { font-size: .9rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bond-tracker-page *,
  .bond-tracker-page *::before,
  .bond-tracker-page *::after { transition-duration: .01ms !important; }
}