/* PracticeOS — os.reimburseos.com */
:root {
  --os-navy: #0c1222;
  --os-charcoal: #141b2d;
  --os-graphite: #1c2438;
  --os-surface: #222c42;
  --os-off: #e8ecf4;
  --os-muted: #8b96ad;
  --os-gold: #c9a227;
  --os-gold-soft: rgba(201, 162, 39, 0.12);
  --os-blue: #3d7ab8;
  --os-blue-bright: #5b9fd4;
  --os-emerald: #2d8f6f;
  --os-amber: #b8860b;
  --os-danger: #c44d4d;
  --os-border: rgba(255, 255, 255, 0.08);
  --os-radius: 12px;
  --os-font: "DM Sans", system-ui, sans-serif;
  --os-display: "Sora", "DM Sans", system-ui, sans-serif;
  --os-mono: "Geist Mono", "IBM Plex Mono", ui-monospace, monospace;
  --os-top: 56px;
  --os-tab: 48px;
  --os-rail-w: 300px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.os-body {
  margin: 0;
  font-family: var(--os-font);
  background: var(--os-navy);
  color: var(--os-off);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
.os-mono { font-family: var(--os-mono); font-variant-numeric: tabular-nums; }
.os-display { font-family: var(--os-display); letter-spacing: -0.02em; }

.os-topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--os-top);
  display: flex; align-items: center; gap: 16px;
  padding: 0 20px;
  background: rgba(12, 18, 34, 0.94);
  border-bottom: 1px solid var(--os-border);
  backdrop-filter: blur(12px);
}
.os-brand { display: flex; align-items: baseline; gap: 6px; text-decoration: none; color: var(--os-off); }
.os-brand strong { font-family: var(--os-display); font-weight: 700; font-size: 15px; }
.os-brand span { font-size: 11px; color: var(--os-muted); font-weight: 500; }
.os-badge {
  font-family: var(--os-mono); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
  border: 1px solid rgba(201, 162, 39, 0.45); color: var(--os-gold); background: var(--os-gold-soft);
}
.os-nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
@media (max-width: 720px) {
  .os-topbar--platform {
    flex-wrap: wrap; height: auto; min-height: var(--os-top); padding-bottom: 10px; align-items: flex-start;
  }
  .os-topbar--platform .os-nav--platform {
    width: 100%; margin-left: 0; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .os-topbar--platform .os-badge { display: none; }
  .os-main--landing { padding-top: calc(var(--os-top) + 48px); }
  .os-hero-platform__grid { gap: 20px; }
  .os-module-engine { grid-template-columns: 1fr; }
}
.os-nav a {
  color: var(--os-muted); text-decoration: none; font-size: 13px; font-weight: 500;
  padding: 8px 12px; border-radius: 8px; min-height: 40px; display: inline-flex; align-items: center;
}
.os-nav a:hover, .os-nav a.is-active { color: var(--os-off); background: rgba(255,255,255,0.06); }
.os-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 20px; border-radius: 10px; font-weight: 600; font-size: 14px;
  border: none; cursor: pointer; text-decoration: none; font-family: inherit;
  transition: background 0.15s, transform 0.15s, border-color 0.15s;
}
.os-btn--primary { background: var(--os-gold); color: #0c1222; }
.os-btn--primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.os-btn--secondary { background: transparent; color: var(--os-off); border: 1px solid var(--os-border); }
.os-btn--secondary:hover { border-color: rgba(255,255,255,0.22); }
.os-btn--ghost { background: rgba(61, 122, 184, 0.15); color: var(--os-blue-bright); border: 1px solid rgba(61, 122, 184, 0.35); }
.os-btn--sm { min-height: 36px; padding: 0 14px; font-size: 13px; }

.os-tabs {
  position: fixed; top: var(--os-top); left: 0; right: 0; z-index: 190;
  height: var(--os-tab);
  display: flex; align-items: stretch; overflow-x: auto;
  background: var(--os-charcoal); border-bottom: 1px solid var(--os-border);
  padding: 0 12px; scrollbar-width: none;
}
.os-tabs::-webkit-scrollbar { display: none; }
.os-tab {
  flex-shrink: 0; display: inline-flex; align-items: center; gap: 6px;
  padding: 0 14px; font-size: 12px; font-weight: 500; color: var(--os-muted);
  text-decoration: none; border-bottom: 2px solid transparent; white-space: nowrap;
}
.os-tab.is-active { color: var(--os-off); border-bottom-color: var(--os-gold); }
.os-tab-pill {
  font-family: var(--os-mono); font-size: 8px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 2px 6px; border-radius: 4px; background: rgba(45, 143, 111, 0.2); color: var(--os-emerald);
}

.os-main { padding: calc(var(--os-top) + var(--os-tab) + 24px) 20px 100px; max-width: 1200px; margin: 0 auto; }
.os-main--landing { padding-top: calc(var(--os-top) + 24px); max-width: 1100px; }
.os-main--rail { margin-right: 0; }
@media (min-width: 1100px) {
  body.has-rail .os-main { margin-right: var(--os-rail-w); }
}

.os-card {
  background: var(--os-charcoal); border: 1px solid var(--os-border);
  border-radius: var(--os-radius); padding: 20px; margin-bottom: 16px;
}
.os-card--highlight { border-color: rgba(201, 162, 39, 0.35); box-shadow: 0 0 0 1px rgba(201, 162, 39, 0.08); }
.os-eyebrow {
  font-family: var(--os-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--os-gold); margin-bottom: 8px;
}
.os-h1 { font-family: var(--os-display); font-size: clamp(28px, 4vw, 40px); font-weight: 700; line-height: 1.12; margin: 0 0 12px; }
.os-lead { color: var(--os-muted); font-size: 16px; line-height: 1.6; max-width: 58ch; margin: 0 0 24px; }

.os-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.os-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.os-ladder {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px;
}
.os-ladder__step {
  padding: 12px 14px; border-radius: 10px; border: 1px solid var(--os-border);
  background: rgba(255,255,255,0.02);
}
.os-ladder__step strong { display: block; font-size: 13px; margin-bottom: 4px; }
.os-ladder__step span { font-size: 11px; color: var(--os-muted); line-height: 1.4; }
.os-ladder__step.is-current { border-color: rgba(201, 162, 39, 0.55); background: var(--os-gold-soft); }
.os-ladder__step.is-done { border-color: rgba(45, 143, 111, 0.45); }
@media (max-width: 900px) {
  .os-ladder { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .os-grid-2, .os-grid-3 { grid-template-columns: 1fr; }
}

.os-stat { padding: 16px; background: var(--os-graphite); border-radius: 10px; border: 1px solid var(--os-border); }
.os-stat__val { font-family: var(--os-display); font-size: 22px; font-weight: 700; }
.os-stat__lbl { font-size: 12px; color: var(--os-muted); margin-top: 4px; }
.os-stat--na .os-stat__val { font-size: 14px; color: var(--os-muted); font-weight: 500; }

.os-table-wrap { overflow-x: auto; border: 1px solid var(--os-border); border-radius: var(--os-radius); }
.os-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 520px; }
.os-table th {
  text-align: left; padding: 10px 12px; font-family: var(--os-mono); font-size: 10px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--os-muted);
  background: var(--os-graphite); border-bottom: 1px solid var(--os-border);
}
.os-table td { padding: 12px; border-bottom: 1px solid var(--os-border); vertical-align: top; }
.os-table tr:last-child td { border-bottom: none; }

.os-locked {
  padding: 16px; background: linear-gradient(135deg, rgba(61,122,184,0.08), transparent);
  border: 1px dashed rgba(61, 122, 184, 0.35); border-radius: 10px;
}
.os-locked h4 { margin: 0 0 8px; font-size: 15px; }
.os-locked p { margin: 0 0 12px; font-size: 13px; color: var(--os-muted); line-height: 1.55; }

.os-rail {
  display: none;
  position: fixed; top: calc(var(--os-top) + var(--os-tab)); right: 0; bottom: 0;
  width: var(--os-rail-w); padding: 16px; overflow-y: auto;
  background: var(--os-charcoal); border-left: 1px solid var(--os-border); z-index: 180;
}
@media (max-width: 1099px) {
  body.has-rail .os-main { margin-right: 0; padding-bottom: 120px; }
}
@media (min-width: 1100px) {
  body.has-rail .os-rail { display: block; }
}
.os-rail-mobile {
  display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 210;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(12, 18, 34, 0.96); border-top: 1px solid rgba(201, 162, 39, 0.35);
  backdrop-filter: blur(10px);
}
@media (min-width: 1100px) { .os-rail-mobile { display: none; } }
.os-rail-mobile .os-rail-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.os-rail-mobile .os-rail-copy { flex: 1 1 180px; font-size: 12px; color: var(--os-muted); }
.os-rail-mobile strong { color: var(--os-off); display: block; font-size: 13px; }

.os-trust {
  font-family: var(--os-mono); font-size: 10px; color: var(--os-muted);
  text-align: center; padding: 12px; border-top: 1px solid var(--os-border);
  letter-spacing: 0.04em;
}
.os-footer {
  margin-top: 48px; padding: 24px 20px calc(24px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--os-border); background: var(--os-charcoal);
}
.os-footer__inner { max-width: 1100px; margin: 0 auto; }
.os-footer__qual { font-size: 12px; color: var(--os-muted); line-height: 1.6; margin: 0 0 16px; max-width: 72ch; }
.os-footer__nav { display: flex; flex-wrap: wrap; gap: 12px 20px; font-size: 13px; }
.os-footer__nav a { color: var(--os-blue-bright); text-decoration: none; }
.os-badge--pro { border-color: rgba(45, 143, 111, 0.55); color: var(--os-emerald); background: rgba(45, 143, 111, 0.12); }
.os-stats-strip {
  display: flex; flex-wrap: wrap; gap: 16px 28px; font-size: 12px; color: var(--os-muted);
  padding: 14px 16px; background: var(--os-graphite); border-radius: 10px; border: 1px solid var(--os-border);
}
.os-stats-strip strong { color: var(--os-off); }
.os-volume-card label { display: block; font-size: 12px; color: var(--os-muted); margin-bottom: 6px; }
.os-label-live { color: var(--os-emerald); }
.os-label-sample { color: var(--os-amber); }
.os-label-manual { color: var(--os-blue-bright); }

.os-hero-preview {
  margin-top: 32px; border-radius: 16px; overflow: hidden;
  border: 1px solid var(--os-border); background: var(--os-charcoal);
  box-shadow: 0 24px 80px rgba(0,0,0,0.45);
}
.os-hero-preview__bar {
  height: 36px; background: var(--os-graphite); display: flex; align-items: center; gap: 8px; padding: 0 14px;
}
.os-hero-preview__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--os-muted); opacity: 0.5; }
.os-hero-preview__body { padding: 20px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
@media (max-width: 700px) { .os-hero-preview__body { grid-template-columns: 1fr; } }

.os-input {
  width: 100%; min-height: 48px; padding: 12px 14px; font-size: 16px;
  border-radius: 10px; border: 1px solid var(--os-border); background: var(--os-graphite);
  color: var(--os-off); font-family: inherit;
}
.os-input:focus { outline: 2px solid var(--os-blue); outline-offset: 2px; }

.os-modal[hidden] { display: none !important; }
.os-modal {
  position: fixed; inset: 0; z-index: 400; display: flex; align-items: center; justify-content: center;
  padding: 20px; background: rgba(0,0,0,0.75);
}
.os-modal__panel {
  max-width: 520px; width: 100%; max-height: 85vh; overflow-y: auto;
  background: var(--os-charcoal); border: 1px solid var(--os-border); border-radius: 14px; padding: 24px;
}
.os-modal__panel h3 { margin: 0 0 12px; font-family: var(--os-display); }
.os-modal__panel p, .os-modal__panel li { font-size: 14px; color: var(--os-muted); line-height: 1.6; }

.os-pricing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.os-price-card { display: flex; flex-direction: column; height: 100%; }
.os-price-card .os-price { font-family: var(--os-display); font-size: 32px; font-weight: 700; margin: 8px 0; }
.os-price-card ul { margin: 0 0 20px; padding-left: 18px; flex: 1; font-size: 13px; color: var(--os-muted); line-height: 1.55; }
.os-price-card .os-btn { width: 100%; margin-top: auto; }

.os-loading { text-align: center; padding: 48px; color: var(--os-muted); }
.os-error { color: var(--os-danger); font-size: 14px; }

/* PracticeOS platform */
.os-body--platform { background: var(--os-navy); background-image: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61,122,184,0.15), transparent), linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px); background-size: auto, 48px 48px, 48px 48px; }
.os-glass { background: rgba(20, 27, 45, 0.72); backdrop-filter: blur(12px); border: 1px solid var(--os-border); border-radius: var(--os-radius); }
.os-badge-pill { display: inline-block; font-family: var(--os-mono); font-size: 9px; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 8px; border-radius: 4px; margin-right: 6px; vertical-align: middle; }
.os-badge-pill--demo { background: rgba(184, 134, 11, 0.2); color: #e8c468; }
.os-badge-pill--synthetic { background: rgba(201, 162, 39, 0.15); color: var(--os-gold); }
.os-badge-pill--live { background: rgba(45, 143, 111, 0.2); color: var(--os-emerald); }
.os-badge-pill--tic, .os-badge-pill--npi { background: rgba(0, 212, 255, 0.12); color: var(--os-blue-bright); }
.os-badge-pill--na, .os-badge-pill--manual, .os-badge-pill--locked { background: rgba(139, 150, 173, 0.15); color: var(--os-muted); }
.os-badge-pill--stripe { background: rgba(99, 102, 241, 0.2); color: #a5b4fc; }
.os-badge-pill--supabase { background: rgba(62, 207, 142, 0.15); color: #6ee7b7; }
.os-hero-platform { padding: 48px 20px 32px; max-width: 1100px; margin: 0 auto; }
.os-hero-platform__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 32px; align-items: start; }
@media (max-width: 900px) { .os-hero-platform__grid { grid-template-columns: 1fr; } }
.os-trust-strip { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 11px; color: var(--os-muted); margin: 20px 0; }
.os-module-engine { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin: 24px 0; }
@media (max-width: 1000px) { .os-module-engine { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .os-module-engine { grid-template-columns: 1fr; } }
.os-module-engine__card { padding: 18px; border-radius: 12px; border: 1px solid var(--os-border); background: var(--os-charcoal); text-decoration: none; color: inherit; display: block; transition: border-color 0.2s, transform 0.2s; }
.os-module-engine__card:hover { border-color: rgba(255,255,255,0.2); transform: translateY(-2px); }
.os-module-engine__num { font-family: var(--os-mono); font-size: 10px; color: var(--os-muted); }
.os-module-engine__verb { font-family: var(--os-display); font-size: 18px; font-weight: 700; margin: 6px 0 4px; }
.os-journey { display: grid; gap: 12px; }
.os-journey__step { display: grid; grid-template-columns: 100px 1fr; gap: 16px; padding: 14px; border-left: 3px solid var(--os-gold); background: var(--os-graphite); border-radius: 0 10px 10px 0; }
@media (max-width: 600px) { .os-journey__step { grid-template-columns: 1fr; } }
.os-dash-header { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; }
.os-dash-metrics { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 20px; }
@media (max-width: 900px) { .os-dash-metrics { grid-template-columns: repeat(2, 1fr); } }
.os-dash-metric { padding: 16px; border-radius: 12px; border: 1px solid var(--os-border); background: var(--os-graphite); }
.os-dash-metric__val { font-family: var(--os-display); font-size: 22px; font-weight: 700; }
.os-dash-metric__hint { font-size: 11px; color: var(--os-muted); margin-top: 6px; }
.os-module-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin: 20px 0; }
@media (max-width: 1000px) { .os-module-grid { grid-template-columns: 1fr 1fr; } }
.os-module-card { padding: 16px; border-radius: 12px; border: 1px solid var(--os-border); background: var(--os-charcoal); }
.os-module-card__accent { height: 3px; border-radius: 3px 3px 0 0; margin: -16px -16px 12px; }
.os-event-stream { list-style: none; padding: 0; margin: 0; }
.os-event-stream li { padding: 12px 0; border-bottom: 1px solid var(--os-border); font-size: 13px; display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.os-event-stream li:last-child { border-bottom: none; }
.os-event-stream time { font-family: var(--os-mono); font-size: 11px; color: var(--os-muted); min-width: 64px; }
.os-nav--platform { flex-wrap: wrap; }
.os-topbar--platform .os-nav a { font-size: 12px; padding: 6px 10px; }
.os-claim-banner { padding: 12px 16px; border-radius: 10px; background: rgba(201, 162, 39, 0.1); border: 1px solid rgba(201, 162, 39, 0.35); margin-bottom: 16px; font-size: 13px; }
.os-page-hero { max-width: 900px; margin-bottom: 24px; }
.os-auth-card { max-width: 420px; margin: 0 auto; }
.os-checkout-banner { padding: 14px; background: rgba(196, 77, 77, 0.12); border: 1px solid rgba(196, 77, 77, 0.35); border-radius: 10px; font-size: 13px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}