:root {
  --accent: #10b981;
  --accent-rgb: 16, 185, 129;
  --max: 1080px;
}

html[data-bs-theme="dark"] {
  --site-bg: #171717;
  --site-surface: #212121;
  --site-surface-2: #282828;
  --site-section: #131313;
  --site-text: #f5f5f5;
  --site-muted: #a3a3a3;
  --site-border: #343434;
  --site-row-border: #2b2b2b;
  --site-topbar: rgba(13, 13, 13, .90);
  --site-chip-text: #d4d4d4;
  --site-shadow: 0 18px 50px rgba(0, 0, 0, .20);
}

html[data-bs-theme="light"] {
  --site-bg: #f9fafb;
  --site-surface: #ffffff;
  --site-surface-2: #f3f4f6;
  --site-section: #f3f4f6;
  --site-text: #0f172a;
  --site-muted: #64748b;
  --site-border: #e5e7eb;
  --site-row-border: #eef0f3;
  --site-topbar: rgba(255, 255, 255, .90);
  --site-chip-text: #475569;
  --site-shadow: 0 18px 50px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

.split-site {
  margin: 0;
  background: var(--site-bg);
  color: var(--site-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  transition: background-color .18s ease, color .18s ease;
}

.split-site a { color: inherit; }
.split-site img { max-width: 100%; }
.split-site .wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.split-site .topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--site-topbar);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--site-border);
}

.split-site .topbar-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.split-site .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 750;
  letter-spacing: -.02em;
  white-space: nowrap;
}

.split-site .brand img { width: 30px; height: 30px; }
.split-site .top-actions { display: flex; align-items: center; gap: 8px; }
.split-site .top-nav { display: flex; align-items: center; gap: 18px; }
.split-site .toplink {
  color: var(--site-muted);
  text-decoration: none;
  font-size: .92rem;
  white-space: nowrap;
}
.split-site .toplink:hover,
.split-site .toplink[aria-current="page"] { color: var(--site-text); }

.split-site .theme-toggle {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--site-border);
  border-radius: 10px;
  background: var(--site-surface);
  color: var(--site-text);
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.split-site .theme-toggle:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--accent) 45%, var(--site-border)); }
.split-site .theme-toggle svg { width: 19px; height: 19px; }
.split-site .theme-icon-sun,
.split-site .theme-icon-moon { display: none; }
html[data-bs-theme="dark"] .split-site .theme-icon-sun { display: block; }
html[data-bs-theme="light"] .split-site .theme-icon-moon { display: block; }

.split-site .header-cta {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: .88rem;
  font-weight: 750;
}
.split-site .header-cta:hover { filter: brightness(.94); color: #fff; }

.split-site .hero { padding: 88px 0 64px; text-align: center; }
.split-site .eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  padding: 6px 11px;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
  border-radius: 999px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  font-size: .8rem;
  font-weight: 750;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.split-site h1,
.split-site h2,
.split-site h3 { line-height: 1.15; letter-spacing: -.025em; color: var(--site-text); }
.split-site h1 { max-width: 850px; margin: 0 auto 22px; font-size: clamp(2.35rem, 6vw, 4.6rem); }
.split-site h2 { margin: 0 0 16px; font-size: clamp(1.75rem, 4vw, 2.7rem); }
.split-site h3 { margin: 0 0 10px; font-size: 1.16rem; }
.split-site .hero-lead { max-width: 720px; margin: 0 auto 30px; color: var(--site-muted); font-size: clamp(1.05rem, 2.2vw, 1.3rem); }
.split-site .cta-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.split-site .site-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 10px;
  border: 0;
  text-decoration: none;
  font-weight: 750;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.split-site .site-btn:hover { transform: translateY(-1px); }
.split-site .site-btn-primary { background: var(--accent); color: #fff; }
.split-site .site-btn-primary:hover { filter: brightness(.94); color: #fff; }
.split-site .site-btn-secondary { border: 1px solid var(--site-border); background: var(--site-surface); color: var(--site-text); }

.split-site .trust {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 44px auto 0;
  max-width: 850px;
}
.split-site .trust-item { color: var(--site-muted); font-size: .9rem; }
.split-site .trust-item strong { display: block; color: var(--site-text); font-size: .98rem; }
.split-site section { padding: 68px 0; }
.split-site .section-muted { background: var(--site-section); border-top: 1px solid var(--site-border); border-bottom: 1px solid var(--site-border); }
.split-site .section-intro { max-width: 720px; margin-bottom: 34px; color: var(--site-muted); }
.split-site .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.split-site .site-card {
  background: var(--site-surface);
  border: 1px solid var(--site-border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 1px 2px rgba(0,0,0,.02);
}
.split-site .step-number {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  margin-bottom: 18px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  font-weight: 800;
}
.split-site .site-card p { color: var(--site-muted); margin-bottom: 0; }
.split-site .feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.split-site .feature { display: flex; gap: 15px; align-items: flex-start; }
.split-site .feature-icon {
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  font-weight: 900;
}
.split-site .feature p { margin: 4px 0 0; color: var(--site-muted); }
.split-site .example { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.split-site .example-box { background: var(--site-surface); border: 1px solid var(--site-border); border-radius: 16px; overflow: hidden; box-shadow: var(--site-shadow); }
.split-site .example-head { padding: 18px 22px; border-bottom: 1px solid var(--site-border); font-weight: 750; }
.split-site .expense-row,
.split-site .settle-row { display: flex; justify-content: space-between; gap: 16px; padding: 13px 22px; border-bottom: 1px solid var(--site-row-border); }
.split-site .expense-row:last-child,
.split-site .settle-row:last-child { border-bottom: 0; }
.split-site .expense-meta { color: var(--site-muted); font-size: .86rem; }
.split-site .amount { font-weight: 750; white-space: nowrap; }
.split-site .result,
.split-site .accent { color: var(--accent); }
.split-site .usecases { display: flex; flex-wrap: wrap; gap: 10px; }
.split-site .chip { padding: 8px 12px; border: 1px solid var(--site-border); border-radius: 999px; color: var(--site-chip-text); background: var(--site-surface); font-size: .92rem; }
.split-site .faq { max-width: 820px; }
.split-site details { border-bottom: 1px solid var(--site-border); padding: 18px 0; }
.split-site details:first-of-type { border-top: 1px solid var(--site-border); }
.split-site summary { cursor: pointer; font-weight: 750; font-size: 1.04rem; }
.split-site details p { color: var(--site-muted); margin: 12px 0 0; }
.split-site .final-cta {
  text-align: center;
  padding: 50px 28px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 11%, transparent), color-mix(in srgb, var(--accent) 4%, transparent));
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  border-radius: 18px;
}
.split-site .final-cta p { color: var(--site-muted); max-width: 620px; margin: 0 auto 24px; }

.split-site .content-shell { padding: 70px 0; }
.split-site .content-card {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(26px, 5vw, 52px);
  background: var(--site-surface);
  border: 1px solid var(--site-border);
  border-radius: 18px;
  box-shadow: var(--site-shadow);
}
.split-site .content-card h1 { margin: 0 0 14px; max-width: none; font-size: clamp(2.1rem, 5vw, 3.4rem); }
.split-site .content-card h2 { margin-top: 36px; font-size: clamp(1.35rem, 3vw, 1.7rem); }
.split-site .content-card h4 { color: var(--accent); }
.split-site .content-card p,
.split-site .content-card li { color: var(--site-muted); }
.split-site .content-card strong { color: var(--site-text); }
.split-site .content-card hr { border: 0; border-top: 1px solid var(--site-border); opacity: 1; }
.split-site .content-card a:not(.site-btn) { color: var(--accent); }
.split-site .content-card .lead { color: var(--site-muted) !important; }
.split-site .content-card .text-muted { color: var(--site-muted) !important; }
.split-site .content-card .text-light,
.split-site .content-card .text-white,
.split-site .content-card .text-body { color: var(--site-text) !important; }
.split-site .content-card .border-secondary { border-color: var(--site-border) !important; }
.split-site .language-bar,
.split-site .translation-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  margin-bottom: 28px;
  border: 1px solid var(--site-border);
  border-radius: 12px;
  background: var(--site-surface-2);
}
.split-site .site-select {
  min-height: 40px;
  padding: 0 36px 0 12px;
  border: 1px solid var(--site-border);
  border-radius: 9px;
  background: var(--site-surface);
  color: var(--site-text);
}
.split-site .lang-section { display: none; }
.split-site .lang-section.active { display: block; }
.split-site .legal-section { margin-bottom: 30px; }
.split-site .legal-section h4 { font-size: .83rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 10px; }
.split-site .content-back { margin-top: 36px; padding-top: 26px; border-top: 1px solid var(--site-border); text-align: center; }

.split-site footer { padding: 42px 0; color: var(--site-muted); font-size: .88rem; }
.split-site .footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.split-site .footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.split-site .footer-links a { color: var(--site-muted); }
.split-site .footer-links a:hover { color: var(--site-text); }

@media (max-width: 800px) {
  .split-site .trust,
  .split-site .grid-3,
  .split-site .feature-grid,
  .split-site .example { grid-template-columns: 1fr; }
  .split-site .trust { grid-template-columns: repeat(2, 1fr); }
  .split-site .hero { padding-top: 64px; }
  .split-site section { padding: 54px 0; }
  .split-site .top-nav { display: none; }
}

@media (max-width: 480px) {
  .split-site .wrap { width: min(var(--max), calc(100% - 28px)); }
  .split-site .brand span { font-size: .9rem; }
  .split-site .header-cta { display: none; }
  .split-site .trust { grid-template-columns: 1fr 1fr; }
  .split-site .cta-row .site-btn { width: 100%; }
  .split-site .language-bar,
  .split-site .translation-box { align-items: stretch; flex-direction: column; }
  .split-site .site-select { width: 100%; }
}

/* Compatibility helpers for the older static-page markup while it shares the new design system. */
.split-site .text-primary-custom { color: var(--accent) !important; }
.split-site .btn-primary-custom {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #fff !important;
}
.split-site .btn-primary-custom:hover { filter: brightness(.94); color: #fff !important; }