/* ============================================================
   BIS Concept — Main CSS
   Colors: Navy #0B1E3D | Blue #2F5FE0 | Green #22C55E
   ============================================================ */

:root {
  --bis-navy:        #0B1E3D;
  --bis-navy-2:       #0F2A52;
  --bis-navy-3:       #142F5C;
  --bis-ink:          #10182B;
  --bis-blue:         #2F5FE0;
  --bis-blue-dark:    #1E45B8;
  --bis-blue-light:   #6C93F2;
  --bis-green:        #22C55E;
  --bis-green-dark:   #15803D;
  --bis-gray:         #64748B;
  --bis-gray-light:   #E4E8F0;
  --bis-bg-light:     #F5F7FB;
  --bis-white:        #FFFFFF;
  --transition:       0.25s ease;
  --radius:           14px;
  --radius-lg:        20px;
  --shadow:           0 4px 24px rgba(11,30,61,0.08);
  --shadow-lg:        0 12px 48px rgba(11,30,61,0.16);
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--bis-ink);
  background: var(--bis-white);
  margin: 0;
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
ul { margin: 0; }
p { margin: 0 0 1rem; }
.container { max-width: 1200px; }

/* ============================================================
   HEADER
   ============================================================ */
.bis-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 76px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(11,30,61,0.08);
}
.bis-header .container { height: 100%; gap: 32px; }

.bis-logo { display: flex; align-items: center; }
.bis-logo-img { height: 40px; width: auto; display: block; }
.bis-logo-footer .bis-logo-img { height: 46px; }

.bis-nav { display: flex; align-items: center; gap: 26px; flex: 1; min-width: 0; }
.bis-nav ul { display: flex; align-items: center; list-style: none; padding: 0; margin: 0; flex: 1; justify-content: space-between; }
.bis-nav ul li { flex-shrink: 0; }
.bis-nav ul li a {
  display: inline-block;
  padding: 8px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--bis-ink);
  border-radius: 6px;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}
.bis-nav ul li a:hover, .bis-nav ul li a.active { color: var(--bis-blue); background: rgba(47,95,224,0.08); }

.bis-lang-switch {
  display: flex;
  border: 1px solid var(--bis-gray-light);
  border-radius: 8px;
  overflow: hidden;
}
.bis-lang-switch a {
  padding: 6px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--bis-gray);
}
.bis-lang-switch a.active { background: var(--bis-blue); color: var(--bis-white); }

.bis-nav-cta {
  background: var(--bis-blue);
  color: var(--bis-white) !important;
  border-radius: 50px;
  padding: 9px 20px;
  font-weight: 700 !important;
  font-size: 0.82rem;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition);
}
.bis-nav-cta:hover { background: var(--bis-blue-dark); transform: translateY(-1px); }

.mobile-nav-toggle { display: none; background: none; border: none; color: var(--bis-navy); font-size: 1.5rem; cursor: pointer; }

@media (min-width: 992px) and (max-width: 1199px) {
  .bis-nav { gap: 12px; }
  .bis-nav ul { gap: 2px; }
  .bis-nav ul li a { padding: 8px 6px; font-size: 0.7rem; }
  .bis-nav-cta { padding: 9px 12px; font-size: 0.74rem; }
  .bis-lang-switch a { padding: 6px 7px; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.bis-btn-primary-light, .bis-btn-outline-light-navy, .bis-btn-outline, .bis-btn-primary-green {
  display: inline-flex;
  align-items: center;
  border-radius: 50px;
  padding: 13px 26px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--transition);
  white-space: nowrap;
  justify-content: center;
  border: none;
  cursor: pointer;
}
.bis-btn-primary-light { background: var(--bis-white); color: var(--bis-navy); }
.bis-btn-primary-light:hover { background: var(--bis-blue-light); color: var(--bis-white); }
.bis-btn-outline-light-navy { border: 2px solid rgba(255,255,255,0.4); color: var(--bis-white); background: transparent; }
.bis-btn-outline-light-navy:hover { background: rgba(255,255,255,0.12); }
.bis-btn-outline { border: 2px solid var(--bis-gray-light); color: var(--bis-white); background: transparent; }
.bis-btn-outline:hover { background: rgba(255,255,255,0.1); }
.bis-btn-primary-blue { background: var(--bis-blue); color: var(--bis-white); }
.bis-btn-primary-blue:hover { background: var(--bis-blue-dark); }

/* ============================================================
   SECTION UTILITIES
   ============================================================ */
.bis-section { padding: 96px 0; position: relative; }
.bis-section-tight-top { padding-top: 56px; }
.bis-section-light { background: var(--bis-white); }
.bis-section-navy { background: var(--bis-navy); color: var(--bis-white); }

.bis-section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--bis-blue);
  margin-bottom: 14px;
}
.bis-section-label-light { color: var(--bis-blue-light); }

.bis-section-title { font-size: 2.1rem; margin-bottom: 20px; color: var(--bis-navy); }
.bis-title-light { color: var(--bis-white); }
.bis-text { color: var(--bis-gray); font-size: 1rem; }
.bis-section-navy .bis-text { color: rgba(255,255,255,0.75); }

.bis-check-list { list-style: none; padding: 0; margin: 0; }
.bis-check-list li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; font-size: 0.92rem; color: var(--bis-gray); }
.bis-check-list li i { color: var(--bis-green); margin-top: 3px; }

/* ============================================================
   HOME HERO
   ============================================================ */
.bis-hero {
  position: relative;
  padding-top: 96px;
  padding-bottom: 0;
  background: var(--bis-navy);
  overflow: hidden;
}
.bis-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.9;
}
.bis-hero-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6,14,30,0.96) 0%, rgba(6,14,30,0.75) 45%, rgba(6,14,30,0.35) 75%, rgba(6,14,30,0.55) 100%);
}
.bis-hero-headline {
  font-size: 2.6rem;
  color: var(--bis-white);
  letter-spacing: -0.5px;
  margin-bottom: 18px;
}
.bis-accent { color: var(--bis-blue-light); }
.bis-hero-kicker { color: rgba(255,255,255,0.6); font-weight: 700; font-size: 0.95rem; margin-bottom: 14px; }
.bis-hero-lead { color: rgba(255,255,255,0.78); font-size: 1rem; max-width: 480px; }

.bis-panel-stack { display: flex; flex-direction: column; gap: 14px; }
.bis-panel {
  position: relative;
  background: rgba(15,30,61,0.7);
  border: 1px solid rgba(108,147,242,0.25);
  border-radius: var(--radius);
  padding: 16px 18px;
  backdrop-filter: blur(6px);
}
.bis-panel-title { color: rgba(255,255,255,0.55); font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.bis-sparkline { width: 100%; height: 46px; }
.bis-sparkline polyline { fill: none; stroke: var(--bis-blue-light); stroke-width: 2; }
.bis-panel-axis { display: flex; justify-content: space-between; font-size: 0.6rem; color: rgba(255,255,255,0.35); margin-top: 4px; }

.bis-control-list { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.bis-control-row { display: flex; align-items: center; justify-content: space-between; font-size: 0.8rem; color: rgba(255,255,255,0.75); }
.bis-control-track { position: relative; width: 90px; height: 4px; background: rgba(255,255,255,0.15); border-radius: 4px; }
.bis-control-dot { position: absolute; top: 50%; left: 55%; width: 12px; height: 12px; border-radius: 50%; background: var(--bis-blue-light); transform: translate(-50%,-50%); }
.bis-panel-check { position: absolute; top: 16px; right: 18px; width: 34px; height: 34px; background: var(--bis-blue); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--bis-white); }

.bis-panel-savings { position: relative; display: flex; flex-direction: column; }
.bis-panel-savings-value { font-family: 'Manrope', sans-serif; font-size: 1.8rem; font-weight: 800; color: var(--bis-blue-light); }
.bis-panel-savings-sub { color: rgba(255,255,255,0.5); font-size: 0.75rem; }
.bis-mini-bars { position: absolute; right: 0; bottom: 0; display: flex; align-items: flex-end; gap: 5px; height: 40px; }
.bis-mini-bars span { width: 8px; background: var(--bis-blue-light); border-radius: 3px 3px 0 0; opacity: 0.85; }

.bis-panel-icons { display: flex; justify-content: space-between; padding: 14px 10px; }
.bis-mini-icon { display: flex; flex-direction: column; align-items: center; gap: 6px; color: rgba(255,255,255,0.7); font-size: 0.62rem; }
.bis-mini-icon i { font-size: 1.1rem; color: var(--bis-blue-light); }

.bis-hero-features {
  display: flex;
  gap: 24px;
  margin-top: 48px;
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  flex-wrap: wrap;
}
.bis-hero-feature { display: flex; align-items: center; gap: 10px; color: var(--bis-white); flex: 1; min-width: 180px; }
.bis-hero-feature i { font-size: 1.4rem; color: var(--bis-blue-light); }
.bis-hero-feature strong { display: block; font-size: 0.9rem; }
.bis-hero-feature span { display: block; font-size: 0.8rem; color: rgba(255,255,255,0.6); }

/* ============================================================
   TWO WORLDS
   ============================================================ */
.bis-world-card {
  background: var(--bis-bg-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  height: 100%;
}
.bis-world-badge {
  position: absolute; top: 16px; right: 16px;
  background: var(--bis-blue);
  color: var(--bis-white);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 50px;
  z-index: 2;
}
.bis-world-card:nth-child(2) .bis-world-badge, .bis-world-card:last-child .bis-world-badge { background: var(--bis-green); }
.bis-world-img { width: 100%; height: 150px; object-fit: cover; border-radius: 12px; margin-bottom: 16px; }
.bis-world-card h4 { color: var(--bis-navy); font-size: 1.1rem; margin-bottom: 12px; }

/* ============================================================
   VALUE CARDS / STATS
   ============================================================ */
.bis-value-card { text-align: center; padding: 24px 16px; height: 100%; }
.bis-value-icon {
  width: 60px; height: 60px; margin: 0 auto 16px;
  border-radius: 16px;
  background: rgba(108,147,242,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: var(--bis-blue-light);
}
.bis-value-card h4 { font-size: 1.05rem; color: var(--bis-white); margin-bottom: 8px; }
.bis-value-card p { color: rgba(255,255,255,0.65); font-size: 0.88rem; margin: 0; }

.bis-stats-row { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 24px; text-align: center; }
.bis-stat-block { display: flex; flex-direction: column; }
.bis-stat-value { font-family: 'Manrope', sans-serif; font-size: 2.2rem; font-weight: 800; color: var(--bis-blue); }
.bis-stat-label { color: var(--bis-gray); font-size: 0.85rem; }

/* ============================================================
   CTA BAND
   ============================================================ */
.bis-cta-band { background: var(--bis-navy); padding: 56px 0; }
.bis-cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.bis-cta-band-inner h3 { color: var(--bis-white); font-size: 1.4rem; margin-bottom: 6px; }
.bis-cta-band-inner p { color: rgba(255,255,255,0.65); margin: 0; }

/* ============================================================
   PAGE HERO (Solutions / How it works / Applications)
   ============================================================ */
.bis-page-hero {
  position: relative;
  padding: 150px 0 60px;
  color: var(--bis-white);
  background: var(--bis-navy);
}
.bis-page-hero-overlay { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(6,14,30,0.9) 30%, rgba(6,14,30,0.55) 100%); }
.bis-page-hero-photo { background-size: cover; background-position: center; }
.bis-page-hero-photo-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(4,10,22,0.94) 0%, rgba(4,10,22,0.86) 50%, rgba(4,10,22,0.35) 100%); }
.bis-page-hero-photo .bis-section-label { color: var(--bis-blue-light); }
.bis-page-hero-photo .bis-page-lead { color: rgba(255,255,255,0.82); }
.bis-page-hero-photo .bis-page-lead-strong { color: var(--bis-white); }
.bis-page-hero-navy { background-size: cover; background-position: center; }
.bis-page-hero-navy-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(4,10,22,0.92) 30%, rgba(4,10,22,0.55) 100%); }
.bis-page-hero-green { background-size: cover; background-position: center; }
.bis-page-hero-green-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(4,12,8,0.55) 0%, rgba(4,12,8,0.35) 100%); }

.bis-page-title { font-size: 2.3rem; margin-bottom: 16px; color: var(--bis-navy); }
.bis-page-hero .bis-page-title, .bis-page-hero-navy .bis-page-title, .bis-page-hero-green .bis-page-title { color: var(--bis-white); }
.bis-accent-dark { color: var(--bis-blue); }
.bis-page-lead { max-width: 460px; color: var(--bis-gray); }
.bis-lead-light { max-width: 460px; color: rgba(255,255,255,0.8); }
.bis-page-lead-strong { font-weight: 700; color: var(--bis-navy); }
.bis-contact-linktext { color: var(--bis-blue-light); font-weight: 600; margin-top: 24px; }

/* ============================================================
   STEPS ROW
   ============================================================ */
.bis-steps-row { display: flex; gap: 18px; margin-top: 40px; flex-wrap: wrap; }
.bis-step-card {
  flex: 1; min-width: 180px;
  background: var(--bis-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 26px 20px;
  text-align: center;
  position: relative;
}
.bis-step-num {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--bis-blue); color: var(--bis-white);
  font-size: 0.72rem; font-weight: 700;
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.bis-step-icon {
  width: 58px; height: 58px; margin: 10px auto 16px;
  border-radius: 50%;
  background: rgba(47,95,224,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--bis-blue);
}
.bis-step-card h4 { font-size: 0.98rem; color: var(--bis-navy); margin-bottom: 8px; }
.bis-step-card p { font-size: 0.82rem; color: var(--bis-gray); margin: 0; }
.bis-step-arrow { display: none; }
@media (min-width: 992px) {
  .bis-step-arrow {
    display: flex; position: absolute; top: 50%; right: -22px;
    transform: translateY(-50%);
    color: var(--bis-gray-light); font-size: 1.1rem; z-index: 2;
  }
}

/* ============================================================
   SPLIT BANNER (Solutions retrofit/new building)
   ============================================================ */
.bis-split-banner {
  display: flex; align-items: stretch; margin-top: 40px;
  border-radius: var(--radius-lg); overflow: hidden;
}
.bis-split-side { flex: 1; padding: 28px 32px; }
.bis-split-blue { background: rgba(47,95,224,0.08); }
.bis-split-green { background: rgba(34,197,94,0.08); }
.bis-split-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px; }
.bis-split-blue .bis-split-label { color: var(--bis-blue); }
.bis-split-green .bis-split-label { color: var(--bis-green-dark); }
.bis-split-side h4 { color: var(--bis-navy); font-size: 1.1rem; margin-bottom: 8px; }
.bis-split-side p { font-size: 0.88rem; color: var(--bis-gray); margin: 0; }
.bis-split-center {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 20px; background: var(--bis-white); text-align: center; min-width: 150px;
}
.bis-split-logo { font-family: 'Manrope', sans-serif; font-weight: 800; font-size: 1.3rem; color: var(--bis-navy); }
.bis-split-center small { font-size: 0.65rem; color: var(--bis-gray); max-width: 100px; }

/* ============================================================
   NAV BAR (bottom CTA bar reused across pages)
   ============================================================ */
.bis-nav-bar {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  background: var(--bis-navy);
  border-radius: var(--radius-lg);
  padding: 26px 32px;
  margin-top: 40px;
  color: var(--bis-white);
}
.bis-nav-bar-wide { align-items: flex-start; }
.bis-nav-bar-icon {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--bis-blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.bis-nav-bar-text { flex: 1; min-width: 220px; }
.bis-nav-bar-text h5 { font-size: 1.05rem; margin-bottom: 4px; }
.bis-nav-bar-text p { font-size: 0.85rem; color: rgba(255,255,255,0.65); margin: 0; }
.bis-nav-bar-stats { display: flex; gap: 22px; flex-wrap: wrap; }
.bis-nav-bar-stat { display: flex; flex-direction: column; align-items: center; text-align: center; min-width: 90px; }
.bis-nav-bar-stat i { color: var(--bis-blue-light); font-size: 1.1rem; margin-bottom: 4px; }
.bis-nav-bar-stat strong { font-family: 'Manrope', sans-serif; font-size: 1.1rem; }
.bis-nav-bar-stat span { font-size: 0.68rem; color: rgba(255,255,255,0.6); }
.bis-nav-bar-more { display: flex; flex-direction: column; gap: 4px; min-width: 220px; }
.bis-nav-bar-more span { font-weight: 700; font-size: 0.9rem; }
.bis-nav-bar-more small { color: rgba(255,255,255,0.6); font-size: 0.78rem; margin-bottom: 8px; }
.bis-nav-bar-items { display: flex; flex-direction: column; gap: 6px; }
.bis-nav-bar-items span { font-size: 0.82rem; color: rgba(255,255,255,0.85); }
.bis-nav-bar-items i { color: var(--bis-blue-light); margin-right: 6px; }

/* ============================================================
   PROCESS PANEL (How it works)
   ============================================================ */
.bis-process-panel {
  display: flex; gap: 24px; margin-top: 32px; flex-wrap: wrap;
  background: var(--bis-bg-light); border-radius: var(--radius-lg); padding: 28px;
}
.bis-process-col { flex: 2; min-width: 280px; }
.bis-process-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--bis-blue); margin-bottom: 16px; }
.bis-process-flow { display: flex; align-items: flex-start; gap: 6px; flex-wrap: wrap; }
.bis-process-node { display: flex; flex-direction: column; align-items: center; text-align: center; width: 92px; }
.bis-process-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--bis-white); box-shadow: var(--shadow);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--bis-blue); margin-bottom: 8px;
}
.bis-process-node strong { font-size: 0.75rem; color: var(--bis-navy); }
.bis-process-node span { font-size: 0.62rem; color: var(--bis-gray); }
.bis-process-arrow { color: var(--bis-gray-light); margin-top: 14px; }
.bis-process-achieve { flex: 1; min-width: 220px; }
.bis-process-achieve h5 { color: var(--bis-navy); font-size: 0.95rem; margin-bottom: 14px; }

/* ============================================================
   APPLICATION CARDS
   ============================================================ */
.bis-app-card {
  background: var(--bis-white);
  border: 1px solid var(--bis-gray-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  height: 100%;
}
.bis-app-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.bis-app-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(47,95,224,0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--bis-blue); font-size: 1.1rem; flex-shrink: 0;
}
.bis-app-card h4 { font-size: 1rem; color: var(--bis-navy); margin: 0; }
.bis-app-card p { font-size: 0.85rem; color: var(--bis-gray); margin-bottom: 14px; }
.bis-app-img { width: 100%; height: 150px; object-fit: cover; border-radius: 12px; }

.bis-app-bar {
  display: flex; align-items: center; gap: 32px; flex-wrap: wrap;
  background: var(--bis-bg-light); border-radius: var(--radius-lg);
  padding: 28px 32px; margin-top: 48px;
}
.bis-app-bar-label { display: flex; align-items: center; gap: 16px; flex: 1; min-width: 220px; }
.bis-app-bar-label i { font-size: 2rem; color: var(--bis-blue); }
.bis-app-bar-label strong { display: block; font-size: 1.05rem; color: var(--bis-navy); }
.bis-app-bar-label span { display: block; font-size: 1.05rem; color: var(--bis-navy); font-weight: 800; }
.bis-app-bar-label p { font-size: 0.8rem; color: var(--bis-gray); margin: 6px 0 0; }
.bis-app-bar-stat { text-align: center; min-width: 130px; }
.bis-app-bar-stat strong { display: block; font-family: 'Manrope', sans-serif; font-size: 1.3rem; color: var(--bis-green-dark); }
.bis-app-bar-stat span { display: block; font-size: 0.8rem; color: var(--bis-navy); font-weight: 600; }
.bis-app-bar-stat small { font-size: 0.72rem; color: var(--bis-gray); }

/* ============================================================
   MISSION
   ============================================================ */
.bis-mission-steps { display: flex; align-items: flex-start; gap: 8px; flex-wrap: wrap; margin-bottom: 48px; }
.bis-mission-step { flex: 1; min-width: 180px; }
.bis-mission-step-icon {
  width: 52px; height: 52px; border-radius: 50%;
  border: 1.5px solid rgba(108,147,242,0.4);
  display: flex; align-items: center; justify-content: center;
  color: var(--bis-blue-light); font-size: 1.3rem; margin-bottom: 14px;
}
.bis-mission-step h4 { color: var(--bis-white); font-size: 1rem; margin-bottom: 8px; }
.bis-mission-step p { color: rgba(255,255,255,0.65); font-size: 0.85rem; margin: 0; }
.bis-mission-step-arrow { color: rgba(255,255,255,0.25); margin-top: 16px; font-size: 1.1rem; }

.bis-quote-banner {
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 36px 40px; margin-bottom: 48px;
}
.bis-quote-icon {
  width: 54px; height: 54px; border-radius: 50%;
  background: rgba(108,147,242,0.18);
  display: flex; align-items: center; justify-content: center;
  color: var(--bis-blue-light); font-size: 1.4rem; flex-shrink: 0;
}
.bis-quote-text { flex: 1; min-width: 240px; font-family: 'Manrope', sans-serif; font-size: 1.35rem; font-weight: 800; color: var(--bis-white); line-height: 1.35; }
.bis-quote-sub { flex: 1; min-width: 240px; display: flex; align-items: center; gap: 16px; }
.bis-quote-sub p { color: rgba(255,255,255,0.65); font-size: 0.9rem; margin: 0; }
.bis-quote-globe { font-size: 2rem; color: rgba(108,147,242,0.4); flex-shrink: 0; }

.bis-mission-values { display: flex; gap: 24px; flex-wrap: wrap; }
.bis-mission-value { flex: 1; min-width: 200px; display: flex; gap: 12px; }
.bis-mission-value i { font-size: 1.3rem; color: var(--bis-blue-light); margin-top: 2px; }
.bis-mission-value strong { display: block; color: var(--bis-white); font-size: 0.92rem; margin-bottom: 4px; }
.bis-mission-value p { color: rgba(255,255,255,0.6); font-size: 0.82rem; margin: 0; }

/* ============================================================
   CONTACT
   ============================================================ */
.bis-contact-form-card {
  background: var(--bis-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px;
}
.bis-contact-form-card h4 { color: var(--bis-navy); font-size: 1.2rem; margin-bottom: 20px; }
.bis-contact-form-card label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--bis-navy); margin-bottom: 6px; }
.bis-contact-form-card input, .bis-contact-form-card textarea {
  width: 100%;
  border: 1px solid var(--bis-gray-light);
  border-radius: 10px;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--bis-ink);
  background: var(--bis-bg-light);
}
.bis-contact-form-card input:focus, .bis-contact-form-card textarea:focus { outline: none; border-color: var(--bis-green); background: var(--bis-white); }
.bis-form-note { font-size: 0.75rem; color: var(--bis-gray); margin: 10px 0 0; text-align: center; }
.bis-form-success { background: rgba(34,197,94,0.1); color: var(--bis-green-dark); padding: 16px; border-radius: 10px; font-weight: 600; }
.bis-form-error { background: rgba(240,21,53,0.08); color: #a80e25; padding: 12px 16px; border-radius: 10px; margin-bottom: 14px; font-size: 0.85rem; }

.bis-values-strip { display: flex; gap: 28px; flex-wrap: wrap; background: var(--bis-bg-light); border-radius: var(--radius-lg); padding: 32px; }
.bis-values-strip-item { flex: 1; min-width: 200px; display: flex; gap: 14px; align-items: flex-start; }
.bis-values-strip-icon {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1.5px solid rgba(47,95,224,0.35);
  display: flex; align-items: center; justify-content: center;
  color: var(--bis-blue); font-size: 1.15rem; flex-shrink: 0;
}
.bis-values-strip-item strong { display: block; color: var(--bis-navy); font-size: 0.92rem; margin-bottom: 4px; }
.bis-values-strip-item p { color: var(--bis-gray); font-size: 0.82rem; margin: 0; }

/* ============================================================
   LEGAL
   ============================================================ */
.bis-legal-heading { margin-top: 2rem; font-size: 1.1rem; color: var(--bis-navy); }
.bis-legal-link { color: var(--bis-blue); }

/* ============================================================
   FOOTER
   ============================================================ */
.bis-footer { background: var(--bis-navy); color: rgba(255,255,255,0.85); padding-top: 52px; }
.bis-footer-blurb { color: rgba(255,255,255,0.55); font-size: 0.88rem; line-height: 1.7; }
.bis-footer-social {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--bis-white);
}
.bis-footer-heading { color: var(--bis-white); font-size: 0.85rem; letter-spacing: 0.5px; margin-bottom: 16px; }
.bis-footer-links li { margin-bottom: 10px; }
.bis-footer-links a { color: rgba(255,255,255,0.6); font-size: 0.88rem; }
.bis-footer-links a:hover { color: var(--bis-white); }
.bis-footer-contact li { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; color: rgba(255,255,255,0.75); font-size: 0.9rem; }
.bis-footer-contact i { color: var(--bis-blue-light); }
.bis-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.8rem; color: rgba(255,255,255,0.45);
}
.bis-footer-bottom a { color: rgba(255,255,255,0.55); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 991px) {
  .bis-nav ul, .bis-lang-switch { display: none; }
  .bis-nav.open ul { display: flex; flex-direction: column; position: absolute; top: 76px; left: 0; right: 0; background: var(--bis-white); padding: 16px; box-shadow: var(--shadow); gap: 4px; }
  .bis-nav.open .bis-lang-switch { display: flex; margin: 10px 16px; }
  .mobile-nav-toggle { display: block; }
  .bis-hero-headline { font-size: 2rem; }
  .bis-page-title { font-size: 1.8rem; }
  .bis-split-banner { flex-direction: column; }
  .bis-quote-text { font-size: 1.1rem; }
}

@media (max-width: 767px) {
  .bis-section { padding: 64px 0; }
  .bis-hero { padding-top: 76px; }
  .bis-hero-headline { font-size: 1.7rem; }
  .bis-nav-bar { flex-direction: column; align-items: flex-start; }
  .bis-app-bar { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   BLOG — index
   ============================================================ */
.bis-blog-layout { display: grid; grid-template-columns: 1fr 300px; gap: 56px; align-items: start; }

.bis-blog-filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.bis-blog-filter-btn {
  padding: 8px 18px;
  border-radius: 50px;
  border: 1px solid var(--bis-gray-light);
  background: var(--bis-white);
  color: var(--bis-gray);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.bis-blog-filter-btn:hover { border-color: var(--bis-blue); color: var(--bis-blue); }
.bis-blog-filter-btn.is-active { background: var(--bis-blue); border-color: var(--bis-blue); color: var(--bis-white); }

.bis-blog-card { display: flex; gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--bis-gray-light); }
.bis-blog-card:first-child { padding-top: 0; }
.bis-blog-card-thumb { flex-shrink: 0; width: 240px; height: 140px; border-radius: var(--radius); overflow: hidden; display: block; background: var(--bis-navy); }
.bis-blog-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bis-blog-card-body { flex: 1; min-width: 0; }
.bis-blog-card-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.bis-blog-tag {
  display: inline-block;
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--bis-blue); background: rgba(47,95,224,0.1);
  padding: 4px 12px; border-radius: 50px;
}
.bis-blog-date { font-size: 0.78rem; color: var(--bis-gray); }
.bis-blog-card-title { font-size: 1.2rem; margin-bottom: 10px; }
.bis-blog-card-title a { color: var(--bis-navy); transition: color var(--transition); }
.bis-blog-card-title a:hover { color: var(--bis-blue); }
.bis-blog-card.is-featured .bis-blog-card-title { font-size: 1.5rem; }
.bis-blog-card-excerpt { font-size: 0.9rem; color: var(--bis-gray); margin-bottom: 12px; }
.bis-blog-read-link { font-size: 0.85rem; font-weight: 700; color: var(--bis-blue); display: inline-flex; align-items: center; gap: 6px; }

.bis-blog-empty-state { text-align: center; color: var(--bis-gray); padding: 40px 0; }
.bis-blog-note { text-align: center; color: var(--bis-gray); font-size: 0.82rem; margin-top: 28px; }

.bis-blog-sidebar { background: var(--bis-bg-light); border-radius: var(--radius-lg); padding: 30px; }
.bis-blog-sidebar-heading { font-size: 0.95rem; color: var(--bis-navy); margin-bottom: 22px; }
.bis-blog-sidebar-item { margin-bottom: 22px; }
.bis-blog-sidebar-item:last-child { margin-bottom: 0; }
.bis-blog-sidebar-item-title { font-weight: 700; font-size: 0.88rem; color: var(--bis-navy); margin-bottom: 5px; }
.bis-blog-sidebar-item-desc { font-size: 0.8rem; color: var(--bis-gray); margin: 0; line-height: 1.6; }

/* ============================================================
   BLOG — post
   ============================================================ */
.bis-post-progress-track { position: fixed; top: 76px; left: 0; right: 0; height: 3px; background: rgba(11,30,61,0.06); z-index: 999; }
.bis-post-progress-bar { height: 100%; width: 0%; background: var(--bis-blue); }

.bis-post-masthead { padding: 150px 0 40px; background: var(--bis-bg-light); }
.bis-post-back { display: inline-flex; align-items: center; gap: 8px; color: var(--bis-gray); font-size: 0.85rem; font-weight: 600; margin-bottom: 24px; transition: color var(--transition); }
.bis-post-back:hover { color: var(--bis-blue); }
.bis-post-headline { font-size: 2.2rem; color: var(--bis-navy); margin: 16px 0 20px; max-width: 760px; }
.bis-post-meta { display: flex; align-items: center; gap: 10px; color: var(--bis-gray); font-size: 0.85rem; }
.bis-post-meta-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--bis-gray-light); }

.bis-post-layout { display: grid; grid-template-columns: 200px 1fr; gap: 56px; padding: 48px 0 0; }
.bis-post-toc { position: sticky; top: 110px; align-self: start; }
.bis-post-toc-heading { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--bis-gray); margin-bottom: 16px; }
.bis-post-toc-list { display: flex; flex-direction: column; gap: 12px; }
.bis-post-toc-list a { font-size: 0.85rem; color: var(--bis-gray); border-left: 2px solid var(--bis-gray-light); padding-left: 14px; transition: all var(--transition); }
.bis-post-toc-list a.is-active { color: var(--bis-blue); border-color: var(--bis-blue); font-weight: 600; }

.bis-post-article { max-width: 720px; }
.bis-post-article--wide { grid-column: 1 / -1; max-width: 760px; margin: 0 auto; }
.bis-post-figure { margin: 0 0 36px; border-radius: var(--radius-lg); overflow: hidden; }
.bis-post-figure img { width: 100%; display: block; }

.bis-post-body { font-family: 'Newsreader', Georgia, serif; font-size: 1.14rem; line-height: 1.75; color: var(--bis-ink); }
.bis-post-body h2 { font-family: 'Manrope', sans-serif; font-size: 1.5rem; color: var(--bis-navy); margin: 44px 0 18px; }
.bis-post-body p { margin: 0 0 22px; }
.bis-post-body ul, .bis-post-body ol { margin: 0 0 22px; padding-left: 1.3em; }
.bis-post-body li { margin-bottom: 10px; }
.bis-post-body a { color: var(--bis-blue); text-decoration: underline; text-decoration-color: rgba(47,95,224,0.35); }
.bis-post-body blockquote { border-left: 3px solid var(--bis-blue); padding: 4px 0 4px 26px; margin: 36px 0; font-size: 1.28rem; font-style: italic; color: var(--bis-navy); }
.bis-post-body strong { color: var(--bis-navy); }
.bis-post-body code { background: var(--bis-bg-light); padding: 2px 6px; border-radius: 6px; font-size: 0.9em; font-family: monospace; }
.bis-post-body .admonition {
  background: var(--bis-bg-light); border-left: 3px solid var(--bis-green);
  border-radius: var(--radius); padding: 20px 24px; margin: 32px 0;
  font-family: 'Inter', sans-serif; font-size: 0.95rem;
}
.bis-post-body .admonition-title { font-weight: 700; color: var(--bis-navy); margin-bottom: 10px; display: block; font-family: 'Inter', sans-serif; }
.bis-post-body .admonition p:last-child { margin-bottom: 0; }
.bis-post-body .admonition ul { margin-bottom: 0; }

.bis-post-byline { display: flex; align-items: center; gap: 14px; margin-top: 52px; padding-top: 30px; border-top: 1px solid var(--bis-gray-light); }
.bis-post-byline-mark { width: 42px; height: 42px; border-radius: 50%; background: var(--bis-navy); color: var(--bis-white); font-weight: 800; font-size: 0.72rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.bis-post-byline-name { display: block; font-weight: 700; color: var(--bis-navy); font-size: 0.9rem; }
.bis-post-byline-role { display: block; color: var(--bis-gray); font-size: 0.8rem; }

.bis-post-related { padding: 64px 0; background: var(--bis-bg-light); }
.bis-post-related-heading { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--bis-blue); margin-bottom: 26px; }
.bis-post-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bis-post-related-card { background: var(--bis-white); border-radius: var(--radius-lg); padding: 24px; display: flex; flex-direction: column; gap: 10px; box-shadow: var(--shadow); transition: transform var(--transition), box-shadow var(--transition); }
.bis-post-related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.bis-post-related-category { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; color: var(--bis-blue); }
.bis-post-related-title { font-weight: 700; color: var(--bis-navy); font-size: 0.95rem; }

@media (max-width: 991px) {
  .bis-blog-layout { grid-template-columns: 1fr; }
  .bis-post-layout { grid-template-columns: 1fr; }
  .bis-post-toc { display: none; }
  .bis-post-related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  .bis-blog-card { flex-direction: column; }
  .bis-blog-card-thumb { width: 100%; height: 180px; }
  .bis-post-masthead { padding-top: 116px; }
  .bis-post-headline { font-size: 1.7rem; }
}