/* ─── BEARFORTH DESIGN SYSTEM ─────────────────────────────────
   By Emerald Solutions. Style Guide V1.
   Light first, structured. Deep green is rare, roughly once per page. ─── */

:root {
  --deep:          #06382B;
  --accent:        #0E8F66;
  --accent-soft:   #C9E5DA;
  --paper:         #F5F7F5;
  --panel:         #FFFFFF;
  --line:          #DCE5E0;
  --ground:        #10201A;
  --muted:         #5E6E66;
  --reverse:       #EDF5F1;
  --reverse-muted: #9CBDAF;

  --f-display: 'Source Serif 4', Georgia, serif;
  --f-body:    'Public Sans', system-ui, sans-serif;
  --f-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --radius: 4px;
  --container: 1120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ground);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, textarea, select { font: inherit; }

.container {
  width: min(var(--container), 100%);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* ─── TYPE ──────────────────────────────────────────────────── */
.eyebrow {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.display {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.1;
  color: var(--ground);
}
h1.display { font-size: clamp(36px, 5vw, 56px); }
h2.display { font-size: clamp(28px, 3.6vw, 40px); }
.section-body {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.65;
  max-width: 60ch;
}
.figure {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
}
.on-deep { color: var(--reverse); }
.on-deep .muted { color: var(--reverse-muted); }

/* ─── NAV ───────────────────────────────────────────────────── */
#nav {
  position: sticky;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 16px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo-mark { width: 26px; height: 26px; flex-shrink: 0; }
.nav-logo-text { display: flex; flex-direction: column; gap: 0; line-height: 1.2; }
.nav-logo-word {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 19px;
  color: var(--deep);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.nav-endorsement {
  font-family: var(--f-body);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 18px;
}
.nav-links > li { position: relative; white-space: nowrap; }
.nav-links a {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ground);
  transition: color 0.15s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  padding: 10px 20px;
  background: var(--deep);
  color: var(--reverse) !important;
  border-radius: 100px;
  font-weight: 600 !important;
  font-size: 13px !important;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--accent); }

/* Accounting Systems dropdown */
.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ground);
}
.nav-dropdown-trigger svg { transition: transform 0.15s; }
.nav-dropdown {
  position: relative;
}
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(16,32,26,0.12);
  min-width: 220px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-4px);
  transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown:hover .nav-dropdown-trigger svg { transform: rotate(180deg); }
.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 500;
}
.nav-dropdown-menu a:hover { background: var(--paper); color: var(--accent); }
.nav-dropdown-note {
  font-size: 10px;
  font-family: var(--f-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ground);
  border-radius: 2px;
}

/* ─── BUTTONS ───────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  background: var(--deep);
  color: var(--reverse);
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--accent); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  background: transparent;
  color: var(--ground);
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary.on-deep-btn { background: var(--accent); }
.btn-secondary.on-deep-btn { color: var(--reverse); border-color: rgba(237,245,241,0.35); }
.btn-secondary.on-deep-btn:hover { border-color: var(--accent-soft); color: var(--accent-soft); }

/* ─── TAG / EYEBROW BADGE ──────────────────────────────────── */
.tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent-soft);
  color: var(--deep);
  padding: 5px 10px;
  border-radius: 3px;
}

/* ─── CARDS / PANELS ────────────────────────────────────────── */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.check-list { display: flex; flex-direction: column; gap: 12px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--ground);
  font-weight: 500;
}
.check-list li::before {
  content: '';
  display: block;
  width: 18px; height: 18px; min-width: 18px;
  background: var(--accent-soft);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%2306382B' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 2px;
}

/* ─── DEEP BAND ─────────────────────────────────────────────── */
.band-deep {
  background: var(--deep);
  color: var(--reverse);
}

/* ─── FOOTER ────────────────────────────────────────────────── */
footer[role="contentinfo"] {
  background: var(--deep);
  color: var(--reverse);
  padding: 48px 0 28px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(237,245,241,0.15);
  margin-bottom: 16px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 17px;
}
.footer-badge {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-soft);
  border: 1px solid rgba(201,229,218,0.35);
  border-radius: 100px;
  padding: 6px 12px;
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 13px;
  color: var(--reverse-muted);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--reverse); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--reverse-muted);
}
.footer-bottom .footer-badge { flex-shrink: 0; }

@media (max-width: 1180px) {
  .nav-endorsement { display: none; }
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 12px clamp(20px, 5vw, 48px) 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links > li { width: 100%; }
  .nav-links a { display: block; padding: 10px 0; }
  .nav-dropdown-menu { position: static; transform: none; opacity: 1; visibility: visible; display: none; box-shadow: none; border: none; margin-top: 4px; }
  .nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu { transform: none; }
  .nav-dropdown.open .nav-dropdown-menu { display: block; }
  .nav-hamburger { display: flex; }
}