:root {
  --bt-red: #ED2121;
  --bt-navy: #101E34;
  --bt-indigo: #211F5E;
  --bt-blue: #4040E3;
  --bt-pink: #FC799B;
  --bt-green: #13AE5C;
  --bt-mint: #BBE6E2;
  --ink: #101828;
  --text: #344054;
  --muted: #667085;
  --line: #E4E7EC;
  --paper: #F7F8FC;
  --white: #FFFFFF;
  --soft-blue: #F0F3FF;
  --soft-red: #FEF0F0;
  --soft-green: #EEF9F4;
  --soft-mint: #F0FBF9;
  --shadow: 0 18px 50px rgba(16, 30, 52, 0.10);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: Manrope, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--bt-navy); text-wrap: balance; }

h1 {
  max-width: 12ch;
  margin-bottom: 1rem;
  font-size: clamp(2.35rem, 9vw, 5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.75rem, 6vw, 3.2rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.02rem;
  font-weight: 750;
  line-height: 1.28;
  letter-spacing: -0.02em;
}

p {
  margin-bottom: 1rem;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.65;
}
p:last-child { margin-bottom: 0; }

.container {
  width: min(100% - 32px, 1120px);
  margin-inline: auto;
}

.section-pad { padding: 68px 0; }
.section-pad.compact { padding: 56px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.94);
  border-top: 4px solid var(--bt-red);
  border-bottom: 1px solid rgba(228, 231, 236, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  color: var(--bt-navy);
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--bt-red);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 800;
}

.nav {
  display: flex;
  gap: 8px;
  width: 100%;
  overflow-x: auto;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  scrollbar-width: none;
}
.nav::-webkit-scrollbar { display: none; }

.nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
  background: var(--white);
}

.nav-cta {
  color: var(--white) !important;
  background: var(--bt-navy) !important;
  border-color: var(--bt-navy) !important;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 58px;
  background:
    linear-gradient(135deg, rgba(237,33,33,0.035) 0%, rgba(64,64,227,0.04) 45%, rgba(187,230,226,0.16) 100%),
    linear-gradient(180deg, #F9FAFC 0%, #FFFFFF 100%);
}

.hero-grid,
.split,
.audit-grid,
.form-grid {
  display: grid;
  gap: 28px;
}

.lead {
  max-width: 42rem;
  color: var(--text);
  font-size: clamp(1.05rem, 4vw, 1.22rem);
  line-height: 1.58;
  letter-spacing: -0.012em;
}

.eyebrow {
  margin-bottom: 0.75rem;
  color: var(--bt-blue);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1.35;
  text-transform: uppercase;
}
.eyebrow.light { color: #BFC7FF; }

.proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 22px 0 0;
}

.proof-row span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--bt-navy);
  font-size: 0.8rem;
  font-weight: 700;
}
.proof-row span:nth-child(1) { border-color: rgba(64,64,227,0.22); background: var(--soft-blue); }
.proof-row span:nth-child(2) { border-color: rgba(19,174,92,0.20); background: var(--soft-green); }
.proof-row span:nth-child(3) { border-color: rgba(237,33,33,0.14); background: var(--soft-red); }

.hero-actions {
  display: grid;
  gap: 10px;
  margin: 28px 0 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  font-weight: 760;
  letter-spacing: -0.012em;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button.primary {
  background: var(--bt-blue);
  color: var(--white);
  box-shadow: 0 12px 28px rgba(64, 64, 227, 0.24);
}
.button.secondary {
  background: var(--white);
  color: var(--bt-navy);
  border: 1px solid var(--line);
}
.button.full { width: 100%; }
.microcopy, .small { color: var(--muted); font-size: 0.86rem; line-height: 1.5; }
.microcopy strong { color: var(--bt-red); font-weight: 800; }

.system-panel {
  padding: 22px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 26px;
  background: linear-gradient(180deg, var(--bt-navy) 0%, var(--bt-indigo) 100%);
  color: var(--white);
  box-shadow: var(--shadow);
}

.panel-topline {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
.panel-topline span {
  color: rgba(255,255,255,0.58);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.panel-topline strong {
  color: var(--white);
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}
.system-flow { display: grid; gap: 10px; }
.flow-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 4px 12px;
  padding: 15px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  background: rgba(255,255,255,0.045);
}
.flow-item span {
  grid-row: span 2;
  color: #BFC7FF;
  font-size: 0.8rem;
  font-weight: 800;
}
.flow-item:nth-child(1) span { color: #FCA5B8; }
.flow-item:nth-child(2) span { color: #BFC7FF; }
.flow-item:nth-child(3) span { color: var(--bt-mint); }
.flow-item strong {
  color: var(--white);
  font-size: 0.96rem;
  letter-spacing: -0.02em;
}
.flow-item p {
  margin: 0;
  color: rgba(255,255,255,0.68);
  font-size: 0.88rem;
  line-height: 1.45;
}
.system-output {
  margin-top: 14px;
  padding: 16px;
  border-radius: 16px;
  background: var(--white);
}
.system-output span {
  display: block;
  margin-bottom: 5px;
  color: var(--bt-green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.system-output p {
  margin: 0;
  color: var(--bt-navy);
  font-weight: 750;
  line-height: 1.45;
}

.problem-clean { background: var(--bt-navy); }
.problem-clean h2 { color: var(--white); }
.problem-clean p { color: rgba(255,255,255,0.72); }
.problem-clean .statement {
  color: var(--white);
  font-weight: 800;
  letter-spacing: -0.025em;
}
.short-copy { max-width: 620px; }
.statement { color: var(--bt-navy); font-weight: 760; }
.problem-clean .statement { color: var(--white); }
.problem-clean .statement::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 3px;
  margin-right: 10px;
  vertical-align: middle;
  border-radius: 999px;
  background: var(--bt-red);
}

.product-points { display: grid; gap: 12px; }
.product-points article,
.card,
.audit-card,
.use-case-grid article,
.module-list article,
.form-note,
.lead-form {
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 8px 24px rgba(16, 30, 52, 0.045);
}
.product-points article {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 4px 12px;
  padding: 18px;
  border-radius: 18px;
}
.product-points article:nth-child(1) { border-left: 4px solid var(--bt-red); }
.product-points article:nth-child(2) { border-left: 4px solid var(--bt-blue); }
.product-points article:nth-child(3) { border-left: 4px solid var(--bt-green); }
.product-points span,
.module-list span,
.card-number {
  color: var(--bt-blue);
  font-size: 0.82rem;
  font-weight: 850;
}
.product-points article:nth-child(1) span { color: var(--bt-red); }
.product-points article:nth-child(2) span { color: var(--bt-blue); }
.product-points article:nth-child(3) span { color: var(--bt-green); }
.product-points span { grid-row: span 2; }
.product-points p { font-size: 0.94rem; }

.muted { background: var(--paper); }
.section-heading { max-width: 720px; margin-bottom: 28px; }
.compact-heading { max-width: 680px; }
.cards { display: grid; gap: 14px; }
.card { padding: 20px; border-radius: 20px; }
.card-number { display: inline-block; margin-bottom: 26px; }
.card:nth-child(1) .card-number { color: var(--bt-red); }
.card:nth-child(2) .card-number { color: var(--bt-blue); }
.card:nth-child(3) .card-number { color: var(--bt-green); }
.card:nth-child(4) .card-number { color: var(--bt-indigo); }
.card p { color: var(--text); font-size: 0.94rem; }

.audit-section { background: var(--white); }
.audit-card { padding: 22px; border-radius: 24px; box-shadow: var(--shadow); }
.audit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.audit-header h3 { margin: 0; }
.audit-header span {
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--soft-red);
  color: var(--bt-red);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}
.check-list { list-style: none; padding: 0; margin: 0 0 22px; }
.check-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
  font-weight: 650;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--bt-red);
}
.audit-meta { display: grid; gap: 10px; margin-bottom: 22px; }
.audit-meta div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}
.audit-meta div:nth-child(2) { background: var(--soft-mint); border-color: rgba(187,230,226,0.75); }
.audit-meta span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 750;
}
.audit-meta strong {
  display: block;
  color: var(--bt-navy);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.use-case-grid { display: grid; gap: 14px; }
.use-case-grid article { padding: 20px; border-radius: 20px; }
.use-case-grid article:nth-child(1) { border-top: 3px solid var(--bt-blue); }
.use-case-grid article:nth-child(2) { border-top: 3px solid var(--bt-pink); }
.use-case-grid article:nth-child(3) { border-top: 3px solid var(--bt-green); }
.use-case-grid article:nth-child(4) { border-top: 3px solid var(--bt-red); }
.use-case-grid span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--bt-blue);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.use-case-grid article:nth-child(2) span { color: var(--bt-pink); }
.use-case-grid article:nth-child(3) span { color: var(--bt-green); }
.use-case-grid article:nth-child(4) span { color: var(--bt-red); }
.use-case-grid p { font-size: 0.94rem; }

.modules-section { background: var(--white); }
.module-list { display: grid; gap: 10px; }
.module-list article {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  padding: 18px;
  border-radius: 18px;
}
.module-list article:nth-child(1) span { color: var(--bt-red); }
.module-list article:nth-child(2) span { color: var(--bt-blue); }
.module-list article:nth-child(3) span { color: var(--bt-green); }
.module-list article:nth-child(4) span { color: var(--bt-indigo); }
.module-list h3 { margin-bottom: 0.3rem; }
.module-list p { font-size: 0.94rem; }

.contrast {
  background: linear-gradient(135deg, var(--bt-navy) 0%, var(--bt-indigo) 100%);
  color: var(--white);
}
.contrast h2 { color: var(--white); }
.contrast p { color: rgba(255,255,255,0.74); }

.form-section { background: var(--paper); }
.form-note {
  margin-top: 20px;
  padding: 16px;
  border-radius: 16px;
  border-left: 4px solid var(--bt-blue);
}
.lead-form {
  display: grid;
  gap: 13px;
  padding: 18px;
  border-radius: 22px;
}
.lead-form label {
  display: grid;
  gap: 7px;
  color: var(--bt-navy);
  font-size: 0.83rem;
  font-weight: 760;
}
.lead-form input,
.lead-form select {
  width: 100%;
  min-height: 48px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
  font-size: 16px;
  outline: none;
}
.lead-form input:focus,
.lead-form select:focus {
  border-color: var(--bt-blue);
  box-shadow: 0 0 0 4px rgba(64,64,227,0.10);
}
.lead-form button,
.lead-form .small { grid-column: 1 / -1; }

.site-footer {
  padding: 30px 0;
  background: var(--bt-navy);
}
.footer-grid { display: grid; gap: 12px; }
.site-footer p,
.site-footer a {
  margin: 0;
  color: rgba(255,255,255,0.70);
  font-size: 0.9rem;
}

:focus-visible {
  outline: 3px solid rgba(64,64,227,0.3);
  outline-offset: 3px;
}

@media (hover: hover) {
  .button:hover { transform: translateY(-2px); }
  .button.primary:hover { box-shadow: 0 16px 34px rgba(64,64,227,0.30); background: var(--bt-indigo); }
  .card:hover,
  .audit-card:hover,
  .use-case-grid article:hover,
  .product-points article:hover,
  .module-list article:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
  }
}

@media (min-width: 640px) {
  .container { width: min(100% - 48px, 1120px); }
  .hero-actions { display: flex; flex-wrap: wrap; }
  .button { width: auto; }
  .audit-meta,
  .cards.four,
  .use-case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lead-form { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 22px; }
}

@media (min-width: 760px) {
  .site-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
  }
  .nav { width: auto; justify-content: flex-end; }
  .nav a { background: transparent; }
  .section-pad { padding: 86px 0; }
  .section-pad.compact { padding: 70px 0; }
  .hero { padding-top: 78px; }
  p { font-size: 1rem; }
  .section-heading { margin-bottom: 34px; }
}

@media (min-width: 980px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
    gap: 64px;
    align-items: center;
  }
  .split,
  .audit-grid,
  .form-grid {
    grid-template-columns: 0.86fr 1.14fr;
    gap: 60px;
    align-items: start;
  }
  .compact-split { grid-template-columns: 0.9fr 1.1fr; }
  .cards.four,
  .use-case-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .card { min-height: 190px; }
  .lead-form { padding: 26px; }
}