/* ===========================================================
   RBT Global LLC — Design tokens
   =========================================================== */
:root {
  --navy: #0B1F33;
  --navy-soft: #13293F;
  --slate: #334155;
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --text: #0F172A;
  --muted: #64748B;
  --border: #E2E8F0;
  --success: #15803D;
  --danger: #B91C1C;

  --font-display: 'Manrope', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  --container: 1180px;
  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.1rem, 4.2vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.3rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; color: var(--slate); }
.lede { font-size: 1.15rem; color: var(--slate); max-width: 62ch; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--bg { background: var(--bg); }
.section--navy { background: var(--navy); color: var(--white); }
.section--navy h2, .section--navy h3 { color: var(--white); }
.section--navy p { color: #CBD5E1; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-secondary { background: transparent; color: var(--navy); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--navy); }
.btn-ghost-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.35); }
.btn-ghost-light:hover { border-color: var(--white); }
.btn-block { width: 100%; }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

/* ===========================================================
   Header / Nav
   =========================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand svg { height: 30px; width: auto; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--slate);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--blue); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; }

@media (max-width: 900px) {
  .nav-links { position: fixed; inset: 62px 0 0 0; background: var(--white); flex-direction: column; padding: 24px; gap: 4px; transform: translateX(100%); transition: transform 0.2s ease; overflow-y: auto; }
  .nav-links.is-open { transform: translateX(0); }
  .nav-links a { display: block; padding: 14px 4px; border-bottom: 1px solid var(--border); }
  .nav-cta .btn-secondary { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; }
}

/* ===========================================================
   Hero
   =========================================================== */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: var(--white);
  padding: 100px 0 90px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { color: var(--white); }
.hero .lede { color: #CBD5E1; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-art { width: 100%; height: auto; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 420px; margin: 0 auto; }
}

/* Connector-node divider (signature motif) */
.connector-rule { display: flex; align-items: center; gap: 10px; margin: 0 auto 40px; width: fit-content; }
.connector-rule .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }
.connector-rule .line { width: 64px; height: 1px; background: var(--border); }
.section--navy .connector-rule .line { background: rgba(255,255,255,0.25); }

/* ===========================================================
   Trust strip
   =========================================================== */
.trust-strip {
  border-bottom: 1px solid var(--border);
  background: var(--white);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 28px 0;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--navy);
}
.trust-item svg { width: 20px; height: 20px; color: var(--blue); flex-shrink: 0; }
@media (max-width: 800px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===========================================================
   Cards
   =========================================================== */
.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .card-grid, .card-grid--3, .card-grid--4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .card-grid, .card-grid--3, .card-grid--4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}
.card:hover { box-shadow: var(--shadow-md); border-color: #CBD5E1; transform: translateY(-2px); }
.card-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: #EFF4FF;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.card-icon svg { width: 20px; height: 20px; color: var(--blue); }
.card p { font-size: 0.95rem; margin-bottom: 0; }

/* Category cards */
.cat-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.cat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.cat-card-art {
  height: 140px;
  background: linear-gradient(135deg, #0B1F33 0%, #1D4ED8 140%);
  display: flex; align-items: center; justify-content: center;
}
.cat-card-art svg { width: 40px; height: 40px; color: rgba(255,255,255,0.9); }
.cat-card-body { padding: 20px; }
.cat-card-body h3 { margin-bottom: 6px; }
.cat-card-body p { font-size: 0.9rem; margin-bottom: 0; }

/* Process / numbered steps (real sequence, so numbering is justified) */
.process-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.process-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}
.process-item:last-child { border-bottom: none; }
.process-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--blue);
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.process-item h3 { margin-bottom: 4px; }
.process-item p { margin-bottom: 0; font-size: 0.95rem; }

/* Split section (image/graphic + text) */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split.split--reverse .split-art { order: 2; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .split.split--reverse .split-art { order: 0; }
}
.split-art {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.split-art img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }

ul.check-list { list-style: none; margin: 0 0 1.4em; padding: 0; display: grid; gap: 12px; }
ul.check-list li { display: flex; gap: 10px; font-size: 0.97rem; color: var(--slate); }
ul.check-list svg { width: 20px; height: 20px; color: var(--success); flex-shrink: 0; margin-top: 1px; }

/* ===========================================================
   Forms
   =========================================================== */
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.field .req { color: var(--danger); }
.field input, .field select, .field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); }
.field-error {
  display: none;
  color: var(--danger);
  font-size: 0.82rem;
  margin-top: 6px;
}
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger); }
.field.has-error .field-error { display: block; }
.hp-field { position: absolute; left: -9999px; top: -9999px; }
.form-note { font-size: 0.82rem; color: var(--muted); margin-top: 14px; }
.form-status {
  display: none;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.form-status.is-success { display: block; background: #EFFAF1; color: var(--success); border: 1px solid #BBF0C6; }
.form-status.is-error { display: block; background: #FEF2F2; color: var(--danger); border: 1px solid #FECACA; }

/* Contact info list */
.contact-info { display: grid; gap: 20px; }
.contact-info-item { display: flex; gap: 14px; }
.contact-info-item svg { width: 22px; height: 22px; color: var(--blue); flex-shrink: 0; }
.contact-info-item h3 { margin-bottom: 2px; font-size: 1rem; }
.contact-info-item p { margin-bottom: 0; font-size: 0.94rem; }
.placeholder-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--blue-dark);
  background: #EFF4FF;
  border-radius: 4px;
  padding: 2px 6px;
  margin-left: 6px;
}

/* Final CTA */
.final-cta { text-align: center; }
.final-cta h2 { color: var(--white); }

/* ===========================================================
   Footer
   =========================================================== */
.site-footer { background: var(--navy); color: #CBD5E1; padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand svg { height: 26px; margin-bottom: 14px; }
.footer-brand p { color: #94A3B8; font-size: 0.9rem; max-width: 34ch; }
.footer-col h4 { color: var(--white); font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-col a { color: #CBD5E1; font-size: 0.92rem; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: #94A3B8;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* Page hero (interior pages) */
.page-hero { padding: 64px 0 56px; background: var(--bg); border-bottom: 1px solid var(--border); }
.page-hero .eyebrow { margin-bottom: 10px; }
.page-hero p.lede { margin-top: 10px; }

/* Legal pages */
.legal h2 { margin-top: 2em; }
.legal ol, .legal ul { color: var(--slate); }
.legal-updated { color: var(--muted); font-size: 0.88rem; margin-bottom: 40px; }

/* Skip link */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--blue); color: var(--white);
  padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 100;
}
.skip-link:focus { left: 0; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
  cursor: pointer;
  padding: 20px 4px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--navy);
  list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--blue); font-weight: 400; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding: 0 4px 20px; }