/* ==========================================================================
   BFS Premium Theme — Design System & Component Styles
   WordPress theme redesign — production stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette */
  --color-primary: #0E7AA6;
  --color-secondary: #4EA6D1;
  --color-night: #0A4F6B;
  --color-sky: #EAF6FB;
  --color-text-body: #5F6C6C;
  --color-text-muted: #ADBABA;
  --color-heading: #161A1A;
  --color-white: #FFFFFF;
  --color-pearl: #F5F8F9;
  --color-border: #E2E8EB;
  --color-success: #2E7D32;
  --color-warning: #E8A33D;
  --color-error: #C62828;
  --color-powerbi: #B08D57;

  /* Legacy aliases — map old --bfs-* vars to semantic tokens */
  --bfs-primary: var(--color-primary);
  --bfs-secondary: var(--color-secondary);
  --bfs-night: var(--color-night);
  --bfs-sky: var(--color-sky);
  --bfs-text: var(--color-text-body);
  --bfs-text-muted: var(--color-text-muted);
  --bfs-heading: var(--color-heading);
  --bfs-white: var(--color-white);
  --bfs-pearl: var(--color-pearl);
  --bfs-border: var(--color-border);
  --bfs-success: var(--color-success);
  --bfs-warning: var(--color-warning);
  --bfs-error: var(--color-error);
  --bfs-powerbi: var(--color-powerbi);
  --bfs-blue-dark: var(--color-primary);
  --bfs-blue-light: var(--color-secondary);
  --bfs-gray-dark: var(--color-text-body);
  --bfs-gray-mid: var(--color-text-muted);
  --bfs-gray-light: var(--color-text-muted);
  --bfs-black: var(--color-heading);
  --bfs-proprietary: var(--color-powerbi);

  /* Typography */
  --font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-family-heading: var(--font-family-base);
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 1.875rem;
  --font-size-3xl: 2.25rem;
  --font-size-4xl: 3rem;
  --font-size-5xl: 3.75rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-base: 1.6;
  --line-height-relaxed: 1.75;
  --letter-spacing-tight: -0.02em;
  --letter-spacing-wide: 0.08em;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --header-height: 72px;
  --max-width: 1280px;
  --max-width-narrow: 720px;
  --max-width-wide: 1440px;
  --container-padding: var(--space-4);
  --section-padding-y: var(--space-12);
  --section-padding-y-lg: var(--space-16);

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(10, 79, 107, 0.06);
  --shadow-sm: 0 2px 8px rgba(10, 79, 107, 0.08);
  --shadow-md: 0 4px 16px rgba(10, 79, 107, 0.1);
  --shadow-lg: 0 8px 32px rgba(10, 79, 107, 0.12);
  --shadow-xl: 0 16px 48px rgba(10, 79, 107, 0.16);
  --shadow-header: 0 2px 20px rgba(10, 79, 107, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-header: background-color var(--transition-base),
                       box-shadow var(--transition-base),
                       border-color var(--transition-base);

  /* Z-index scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-topbar: 250;
}

/* --------------------------------------------------------------------------
   2. Base Overrides
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

h1,
h2,
h3,
h4,
h5,
h6,
.bfs-heading {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-heading);
  margin-top: 0;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-md); }

p {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: var(--color-night);
}

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

/* --------------------------------------------------------------------------
   3. Layout Utilities
   -------------------------------------------------------------------------- */
.bfs-container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.bfs-container--narrow {
  max-width: var(--max-width-narrow);
}

.bfs-container--wide {
  max-width: var(--max-width-wide);
}

/* --------------------------------------------------------------------------
   4. Premium Header
   -------------------------------------------------------------------------- */

/* Top bar — night background, small text, hidden on mobile */
.bfs-topbar {
  display: none;
  background-color: var(--color-night);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  line-height: 1;
  padding: var(--space-2) 0;
  position: relative;
  z-index: var(--z-topbar);
}

.bfs-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.bfs-topbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.bfs-topbar__links a {
  color: var(--color-white);
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}

.bfs-topbar__links a:hover,
.bfs-topbar__links a:focus-visible {
  opacity: 1;
  color: var(--color-white);
}

.bfs-topbar__contact {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Site header — sticky with transparent → scrolled state */
.bfs-site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  width: 100%;
}

.bfs-header {
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: var(--transition-header);
}

.bfs-header.is-scrolled {
  background-color: var(--color-white);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-header);
}

.bfs-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-6);
}

.bfs-header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.bfs-header__logo img {
  height: 40px;
  width: auto;
}

.bfs-header__nav-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex: 1;
  justify-content: flex-end;
}

/* Hamburger toggle */
.bfs-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: calc(var(--z-overlay) + 1);
}

.bfs-nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-heading);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.bfs-header.is-scrolled .bfs-nav-toggle__bar,
.bfs-nav-toggle__bar {
  background-color: var(--color-heading);
}

.bfs-nav-toggle[aria-expanded="true"] .bfs-nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.bfs-nav-toggle[aria-expanded="true"] .bfs-nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.bfs-nav-toggle[aria-expanded="true"] .bfs-nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Primary navigation */
.bfs-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.bfs-menu__item {
  position: relative;
}

.bfs-menu__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-heading);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.bfs-menu__link:hover,
.bfs-menu__link:focus-visible,
.bfs-menu__item.is-active > .bfs-menu__link {
  color: var(--color-primary);
}

.bfs-menu__link--has-children::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-top: 2px;
  transition: transform var(--transition-fast);
}

.bfs-menu__item:hover > .bfs-menu__link--has-children::after,
.bfs-menu__item.is-open > .bfs-menu__link--has-children::after {
  transform: rotate(180deg);
}

/* Mobile menu — full overlay */
.bfs-menu--primary {
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background-color: var(--color-white);
  padding: var(--space-8) var(--container-padding);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: var(--z-overlay);
}

.bfs-menu--primary.is-open {
  transform: translateX(0);
}

.bfs-menu--primary .bfs-menu__item {
  border-bottom: 1px solid var(--color-border);
}

.bfs-menu--primary .bfs-menu__link {
  font-size: var(--font-size-lg);
  padding: var(--space-4) 0;
  width: 100%;
}

/* Mega submenu dropdown */
.bfs-submenu--mega {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 640px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
  z-index: var(--z-dropdown);
}

.bfs-menu__item:hover > .bfs-submenu--mega,
.bfs-menu__item.is-open > .bfs-submenu--mega {
  display: block;
}

.bfs-submenu--mega__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.bfs-submenu--mega__column-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.bfs-submenu--mega__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.bfs-submenu--mega__list li {
  margin-bottom: var(--space-2);
}

.bfs-submenu--mega__list a {
  font-size: var(--font-size-sm);
  color: var(--color-text-body);
  display: block;
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}

.bfs-submenu--mega__list a:hover,
.bfs-submenu--mega__list a:focus-visible {
  color: var(--color-primary);
}

.bfs-submenu--mega__featured {
  grid-column: span 1;
  background-color: var(--color-sky);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

/* Header CTA */
.bfs-header__cta {
  flex-shrink: 0;
}

.bfs-header__cta .bfs-btn {
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.bfs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-6);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
}

.bfs-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.bfs-btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.bfs-btn--primary:hover,
.bfs-btn--primary:focus-visible {
  background-color: var(--color-night);
  border-color: var(--color-night);
  color: var(--color-white);
}

.bfs-btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
}

.bfs-btn--ghost:hover,
.bfs-btn--ghost:focus-visible {
  background-color: var(--color-sky);
  color: var(--color-night);
}

.bfs-btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.bfs-btn--white:hover,
.bfs-btn--white:focus-visible {
  background-color: var(--color-pearl);
  border-color: var(--color-pearl);
  color: var(--color-night);
}

.bfs-btn--outline-light {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.bfs-btn--outline-light:hover,
.bfs-btn--outline-light:focus-visible {
  background-color: var(--color-white);
  color: var(--color-night);
  border-color: var(--color-white);
}

.bfs-btn--lg {
  font-size: var(--font-size-base);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
}

/* --------------------------------------------------------------------------
   6. Badges
   -------------------------------------------------------------------------- */
.bfs-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.bfs-badge--brand {
  background-color: var(--color-sky);
  color: var(--color-primary);
}

.bfs-badge--powerbi {
  background-color: color-mix(in srgb, var(--color-powerbi) 15%, transparent);
  color: var(--color-powerbi);
}

/* --------------------------------------------------------------------------
   7. Link Arrow
   -------------------------------------------------------------------------- */
.bfs-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-decoration: none;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.bfs-link-arrow::after {
  content: "→";
  display: inline-block;
  transition: transform var(--transition-fast);
}

.bfs-link-arrow:hover,
.bfs-link-arrow:focus-visible {
  color: var(--color-night);
  gap: var(--space-3);
}

.bfs-link-arrow:hover::after,
.bfs-link-arrow:focus-visible::after {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   8. Homepage — Hero
   -------------------------------------------------------------------------- */
.bfs-home-hero {
  position: relative;
  padding: var(--space-16) 0 var(--space-20);
  background: linear-gradient(
    160deg,
    var(--color-pearl) 0%,
    var(--color-sky) 50%,
    var(--color-pearl) 100%
  );
  overflow: hidden;
}

.bfs-home-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

.bfs-home-hero__content {
  max-width: 640px;
}

.bfs-home-hero__eyebrow {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.bfs-home-hero__title {
  font-size: clamp(2rem, 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-heading);
  margin-bottom: var(--space-6);
}

.bfs-home-hero__intro {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-body);
  margin-bottom: var(--space-8);
}

.bfs-home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.bfs-home-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.bfs-home-hero__stat-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.bfs-home-hero__stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.bfs-home-hero__visual {
  position: relative;
}

.bfs-home-hero__frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
}

.bfs-home-hero__frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.bfs-home-hero__frame-accent {
  position: absolute;
  bottom: calc(-1 * var(--space-4));
  right: calc(-1 * var(--space-4));
  width: 40%;
  height: 40%;
  background-color: var(--color-secondary);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.3;
}

/* --------------------------------------------------------------------------
   9. Trust Bar
   -------------------------------------------------------------------------- */
.bfs-trust-bar {
  padding: var(--space-8) 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.bfs-trust-bar__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-6);
}

.bfs-trust-bar__logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-8) var(--space-12);
}

.bfs-trust-bar__logos img {
  height: 32px;
  width: auto;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: opacity var(--transition-fast), filter var(--transition-fast);
}

.bfs-trust-bar__logos img:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* --------------------------------------------------------------------------
   10. Section Header & Backgrounds
   -------------------------------------------------------------------------- */
.bfs-section {
  padding: var(--section-padding-y) 0;
}

.bfs-section--pearl {
  background-color: var(--color-pearl);
}

.bfs-section--sky {
  background-color: var(--color-sky);
}

.bfs-section-header {
  max-width: var(--max-width-narrow);
  margin-bottom: var(--space-8);
}

.bfs-section-header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.bfs-section-header__eyebrow {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.bfs-section-header__title {
  font-size: clamp(1.75rem, 3vw, var(--font-size-3xl));
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  margin-bottom: var(--space-4);
}

.bfs-section-header__intro {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-body);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   11. Value Cards
   -------------------------------------------------------------------------- */
.bfs-home-value__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.bfs-value-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.bfs-value-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.bfs-value-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-sky);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}

.bfs-value-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  margin-bottom: var(--space-3);
}

.bfs-value-card__text {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-body);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   12. Solution Cards
   -------------------------------------------------------------------------- */
.bfs-home-solutions__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.bfs-solution-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.bfs-solution-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.bfs-solution-card__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-pearl);
}

.bfs-solution-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.bfs-solution-card:hover .bfs-solution-card__media img {
  transform: scale(1.05);
}

.bfs-solution-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.bfs-solution-card__badge {
  margin-bottom: var(--space-3);
}

.bfs-solution-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  margin-bottom: var(--space-3);
}

.bfs-solution-card__text {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-body);
  margin-bottom: var(--space-5);
  flex: 1;
}

.bfs-solution-card__footer {
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   13. Sector Cards
   -------------------------------------------------------------------------- */
.bfs-home-sectors__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.bfs-sector-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 200px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-white);
}

.bfs-sector-card__bg {
  position: absolute;
  inset: 0;
  background-color: var(--color-night);
  transition: transform var(--transition-slow);
}

.bfs-sector-card__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.bfs-sector-card:hover .bfs-sector-card__bg {
  transform: scale(1.05);
}

.bfs-sector-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 79, 107, 0.9) 0%,
    rgba(10, 79, 107, 0.2) 100%
  );
}

.bfs-sector-card__content {
  position: relative;
  z-index: 1;
  padding: var(--space-6);
}

.bfs-sector-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.bfs-sector-card__count {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.7);
}

/* --------------------------------------------------------------------------
   14. Expertise Section — Night background
   -------------------------------------------------------------------------- */
.bfs-home-expertise {
  background-color: var(--color-night);
  color: var(--color-white);
  padding: var(--section-padding-y-lg) 0;
}

.bfs-home-expertise .bfs-section-header__eyebrow {
  color: var(--color-secondary);
}

.bfs-home-expertise .bfs-section-header__title {
  color: var(--color-white);
}

.bfs-home-expertise .bfs-section-header__intro {
  color: rgba(255, 255, 255, 0.75);
}

.bfs-home-expertise__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.bfs-expertise-item {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.bfs-expertise-item__number {
  flex-shrink: 0;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  line-height: 1;
  opacity: 0.6;
}

.bfs-expertise-item__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.bfs-expertise-item__text {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   15. Social Proof — Testimonials & References
   -------------------------------------------------------------------------- */
.bfs-home-proof__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.bfs-testimonial {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
}

.bfs-testimonial__quote {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-heading);
  font-style: italic;
  margin-bottom: var(--space-6);
}

.bfs-testimonial__quote::before {
  content: "\201C";
  font-size: var(--font-size-4xl);
  color: var(--color-secondary);
  line-height: 0;
  display: block;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.bfs-testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.bfs-testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background-color: var(--color-pearl);
}

.bfs-testimonial__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
}

.bfs-testimonial__role {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.bfs-refs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.bfs-ref-card {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  min-height: 80px;
  transition: box-shadow var(--transition-fast);
}

.bfs-ref-card:hover {
  box-shadow: var(--shadow-sm);
}

.bfs-ref-card img {
  max-height: 40px;
  width: auto;
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   16. Signature Cards
   -------------------------------------------------------------------------- */
.bfs-home-signature__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.bfs-signature-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.bfs-signature-card:hover {
  box-shadow: var(--shadow-md);
}

.bfs-signature-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-pearl);
}

.bfs-signature-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bfs-signature-card__body {
  padding: var(--space-6);
}

.bfs-signature-card__tag {
  margin-bottom: var(--space-3);
}

.bfs-signature-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  margin-bottom: var(--space-3);
}

.bfs-signature-card__text {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-body);
  margin-bottom: var(--space-4);
}

/* --------------------------------------------------------------------------
   17. Insights Cards
   -------------------------------------------------------------------------- */
.bfs-home-insights__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.bfs-insight-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.bfs-insight-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.bfs-insight-card__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-pearl);
}

.bfs-insight-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.bfs-insight-card:hover .bfs-insight-card__media img {
  transform: scale(1.05);
}

.bfs-insight-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.bfs-insight-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.bfs-insight-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
}

.bfs-insight-card:hover .bfs-insight-card__title {
  color: var(--color-primary);
}

.bfs-insight-card__excerpt {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-body);
  margin-bottom: var(--space-4);
  flex: 1;
}

.bfs-insight-card__read {
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   18. CTA Banner
   -------------------------------------------------------------------------- */
.bfs-cta-banner {
  position: relative;
  padding: var(--space-16) 0;
  background: linear-gradient(
    135deg,
    var(--color-night) 0%,
    var(--color-primary) 100%
  );
  color: var(--color-white);
  overflow: hidden;
}

.bfs-cta-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(
    ellipse,
    rgba(78, 166, 209, 0.15) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.bfs-cta-banner__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.bfs-cta-banner__title {
  font-size: clamp(1.75rem, 3vw, var(--font-size-3xl));
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: 0;
}

.bfs-cta-banner__text {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0;
}

.bfs-cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* --------------------------------------------------------------------------
   19. Premium Footer
   -------------------------------------------------------------------------- */
.bfs-site-footer {
  background-color: var(--color-night);
  color: var(--color-white);
  padding: var(--space-16) 0 var(--space-8);
}

.bfs-site-footer a {
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

.bfs-site-footer a:hover,
.bfs-site-footer a:focus-visible {
  color: var(--color-white);
}

.bfs-site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.bfs-site-footer__brand {
  max-width: 280px;
}

.bfs-site-footer__logo img {
  height: 36px;
  width: auto;
  margin-bottom: var(--space-4);
}

.bfs-site-footer__tagline {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-6);
}

.bfs-site-footer__column-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--space-5);
}

.bfs-site-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.bfs-site-footer__links li {
  margin-bottom: var(--space-3);
}

.bfs-site-footer__links a {
  font-size: var(--font-size-sm);
}

.bfs-site-footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

.bfs-site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.bfs-site-footer__legal a {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

.bfs-site-footer__legal a:hover,
.bfs-site-footer__legal a:focus-visible {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   20. Responsive — Mobile-first breakpoints
   -------------------------------------------------------------------------- */

/* Tablet — 768px */
@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-6);
    --section-padding-y: var(--space-12);
  }

  .bfs-topbar {
    display: block;
  }

  .bfs-home-hero__stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .bfs-home-value__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bfs-home-solutions__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bfs-home-sectors__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .bfs-home-expertise__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bfs-home-proof__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .bfs-refs {
    grid-template-columns: repeat(3, 1fr);
  }

  .bfs-home-signature__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bfs-home-insights__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bfs-site-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bfs-site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Desktop — 992px */
@media (min-width: 992px) {
  .bfs-nav-toggle {
    display: none;
  }

  .bfs-menu--primary {
    position: static;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: none;
    padding: 0;
    overflow: visible;
    transform: none;
    transition: none;
  }

  .bfs-menu--primary .bfs-menu__item {
    border-bottom: none;
  }

  .bfs-menu--primary .bfs-menu__link {
    font-size: var(--font-size-sm);
    padding: var(--space-2) var(--space-3);
    width: auto;
  }

  .bfs-home-hero__inner {
    grid-template-columns: 1fr 1fr;
  }

  .bfs-home-value__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .bfs-home-solutions__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .bfs-home-sectors__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .bfs-home-expertise__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .bfs-signature-card {
    grid-template-columns: 1fr 1fr;
  }

  .bfs-signature-card__media {
    aspect-ratio: auto;
    min-height: 100%;
  }

  .bfs-home-insights__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .bfs-cta-banner__inner {
    flex-direction: row;
    text-align: left;
    max-width: var(--max-width);
    justify-content: space-between;
  }

  .bfs-cta-banner__content {
    flex: 1;
  }

  .bfs-cta-banner__actions {
    flex-shrink: 0;
    justify-content: flex-end;
  }

  .bfs-site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

/* Wide — 1200px */
@media (min-width: 1200px) {
  :root {
    --container-padding: var(--space-8);
    --section-padding-y-lg: var(--space-16);
  }

  .bfs-home-hero {
    padding-top: 2rem;
    padding-bottom: 3.5rem;
  }

  .bfs-home-hero__title {
    font-size: var(--font-size-5xl);
  }

  .bfs-home-value__grid {
    gap: var(--space-8);
  }

  .bfs-home-solutions__grid {
    gap: var(--space-8);
  }

  .bfs-submenu--mega {
    min-width: 780px;
  }

  .bfs-submenu--mega__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --------------------------------------------------------------------------
   21. Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .bfs-value-card:hover,
  .bfs-solution-card:hover,
  .bfs-insight-card:hover,
  .bfs-signature-card:hover {
    transform: none;
  }

  .bfs-solution-card:hover .bfs-solution-card__media img,
  .bfs-insight-card:hover .bfs-insight-card__media img,
  .bfs-sector-card:hover .bfs-sector-card__bg {
    transform: none;
  }

  .bfs-link-arrow:hover::after {
    transform: none;
  }
}