/* ==========================================================================
   FINCHBYTE — SHARED STYLES (Header, Footer, Globals, Utilities)
   ========================================================================== */

:root {
  --color-black: #0A0A0A;
  --color-white: #FFFFFF;
  --color-bg: #F5F7FF;
  --color-bg-soft: #EEF2FF;
  --color-bg-light: #F8F9FC;
  --color-text: #0A0A0A;
  --color-muted: #6B7280;
  --color-muted-2: #9CA3AF;
  --color-border: #E5E7EB;
  --color-border-soft: #EEF0F4;
  --color-primary: #2563EB;
  --color-primary-light: #3B82F6;
  --color-primary-soft: #DBEAFE;
  --color-accent: #8B5CF6;
  --color-accent-2: #A78BFA;
  --color-card-blue: #E8EEFF;
  --color-card-bg: #FFFFFF;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.08);

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --font-display: 'Inter', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
  margin: 0;
}

a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--color-primary); }

img { max-width: 100%; height: auto; display: block; }

.container-wide {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 12px;
}

/* ====================== HEADER ====================== */
.fb-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg);
  border-bottom: 1px solid rgba(15, 23, 42, 0.04);
  backdrop-filter: blur(8px);
}

.fb-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.fb-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--color-black);
}

.fb-logo-mark {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.fb-logo-mark svg { width: 28px; height: 28px; }

.fb-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.fb-nav a {
  font-size: 14px;
  color: var(--color-text);
  font-weight: 500;
}

.fb-nav a.has-dropdown::after {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-3px);
  margin-left: 6px;
  vertical-align: middle;
}

.fb-services-dropdown {
  position: relative;
}

.fb-services-dropdown .dropdown-menu-custom {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  z-index: 1001;
}

.fb-services-dropdown:hover .dropdown-menu-custom {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu-custom a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  border-radius: 8px;
  font-weight: 500;
}

.dropdown-menu-custom a:hover {
  background: var(--color-bg-soft);
  color: var(--color-primary);
}

.fb-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-black);
  color: var(--color-white) !important;
  border: none;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
}

.fb-cta-btn:hover {
  background: #1f1f1f;
  color: var(--color-white) !important;
  transform: translateY(-1px);
}

.fb-mobile-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
}

.fb-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-black);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

/* ====================== BUTTONS ====================== */
.btn-fb-dark {
  background: var(--color-black);
  color: #fff !important;
  border: 1px solid var(--color-black);
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .2s ease, background .2s ease;
}

.btn-fb-dark:hover { background: #1f1f1f; transform: translateY(-1px); color: #fff !important; }

.btn-fb-light {
  background: #fff;
  color: var(--color-black) !important;
  border: 1px solid var(--color-border);
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .2s ease, border-color .2s ease;
}

.btn-fb-light:hover { border-color: var(--color-black); transform: translateY(-1px); }

.btn-fb-primary {
  background: var(--color-primary);
  color: #fff !important;
  border: none;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .2s ease, background .2s ease;
}

.btn-fb-primary:hover { background: #1d4ed8; transform: translateY(-1px); color: #fff !important; }

.btn-fb-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 99, 235, 0.07);
  color: var(--color-primary);
  border: 1.5px solid rgba(37, 99, 235, 0.22);
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.04);
}

.btn-fb-pill .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* ====================== EYEBROW / SECTION INTRO ====================== */
.fb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 14px;
}

.fb-eyebrow .bar {
  width: 28px; height: 1px;
  background: var(--color-muted-2);
}

/* ====================== FOOTER ====================== */
.fb-footer {
  background: var(--color-white);
  padding: 64px 0 28px;
  border-top: 1px solid var(--color-border-soft);
}

.fb-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 40px;
}

.fb-footer h6 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 18px;
  color: var(--color-black);
}

.fb-footer p,
.fb-footer li,
.fb-footer a {
  font-size: 13.5px;
  color: var(--color-muted);
  line-height: 1.7;
}

.fb-footer ul {
  list-style: none;
  padding: 0; margin: 0;
}

.fb-footer ul li { margin-bottom: 10px; }

.fb-footer a:hover { color: var(--color-primary); }

.fb-footer-about p {
  margin: 18px 0 22px;
  max-width: 280px;
}

.fb-social {
  display: flex;
  gap: 10px;
}

.fb-social a {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  transition: background .2s, color .2s;
}

.fb-social a:hover {
  background: var(--color-primary);
  color: #fff;
}

.fb-contact-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 13.5px;
  color: var(--color-muted);
}

.fb-contact-row svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-muted);
}

.fb-footer-bottom {
  border-top: 1px solid var(--color-border-soft);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  color: var(--color-muted);
}

.fb-footer-bottom .links { display: flex; gap: 28px; }

/* ====================== SHARED SECTIONS ====================== */
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 100px 0; }

.section-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 14px;
}

.section-lead {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 640px;
  margin: 0 auto;
}

.text-center .section-lead { margin-left: auto; margin-right: auto; }

/* ====================== UNIVERSAL CTA BOTTOM BAND ====================== */
.cta-band {
  background: var(--color-black);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.cta-band p {
  color: #c7c7c7;
  max-width: 640px;
  margin: 0 auto 26px;
  font-size: 15px;
}

.cta-band .btn-fb-primary,
.cta-band .btn-fb-light { margin: 4px; }

/* ====================== FAQ ====================== */
.faq-list { border-top: 1px solid var(--color-border); }
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 22px 0;
  cursor: pointer;
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-black);
}
.faq-q .icon {
  font-size: 20px;
  color: var(--color-muted);
  transition: transform .2s;
}
.faq-item.active .faq-q .icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  color: var(--color-muted);
  font-size: 14px;
  transition: max-height .35s ease, margin .2s ease;
}
.faq-item.active .faq-a {
  max-height: 240px;
  margin-top: 12px;
}

/* ====================== INDUSTRY CHIPS ====================== */
.industry-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}
.industry-chip .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ====================== RESPONSIVE NAV ====================== */
@media (max-width: 991px) {
  .fb-mobile-toggle { display: block; }
  .fb-nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 24px;
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: all .25s ease;
  }
  .fb-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .fb-nav > a, .fb-services-dropdown { padding: 14px 0; border-bottom: 1px solid var(--color-border-soft); }
  .fb-services-dropdown .dropdown-menu-custom {
    position: static;
    transform: none;
    opacity: 1; visibility: visible;
    box-shadow: none;
    border: none;
    padding-left: 0;
    margin-top: 8px;
    min-width: 0;
  }
}

@media (max-width: 768px) {
  .fb-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .fb-footer-bottom { flex-direction: column; gap: 12px; }
  .section { padding: 56px 0; }
}

@media (max-width: 540px) {
  .fb-footer-grid { grid-template-columns: 1fr; }
}