/* ============================================================
   Branding and Identity Layout — Dark Theme Adapted
   Namespace: bi- (no conflicts with global styles)
   ============================================================ */

.bi-label {
  font-size: 12px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 16px; display: inline-flex; align-items: center; gap: 8px;
}
.bi-label::before { content: '◆'; font-size: 14px; }

.bi-heading {
  font-size: clamp(30px, 3.5vw, 42px); font-weight: 700;
  line-height: 1.15; color: var(--text-primary);
  margin-bottom: 20px; letter-spacing: -0.02em; font-family: var(--font-heading);
}

/* ── HERO ── */
.bi-hero {
  padding: 180px 0 100px; position: relative; overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}
.bi-hero .container {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center;
}
.bi-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border-color);
  border-radius: var(--radius-pill); padding: 6px 16px;
  font-size: 12px; color: var(--text-secondary); margin-bottom: 24px;
}
.bi-hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

.bi-hero h1 {
  font-size: clamp(36px, 4.5vw, 54px); font-weight: 700; line-height: 1.1;
  color: var(--text-primary); margin-bottom: 22px; letter-spacing: -0.025em; font-family: var(--font-heading);
}
.bi-hero h1 em { font-style: normal; color: var(--accent); }
.bi-hero-desc { font-size: 16px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 40px; max-width: 480px; }

/* Hero right: brand identity preview panel */
.bi-hero-panel {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 28px; display: flex; flex-direction: column; gap: 16px;
  backdrop-filter: blur(10px);
}
.bi-panel-header { display: flex; justify-content: space-between; align-items: center; }
.bi-panel-title { font-size: 12px; color: var(--text-muted); }
.bi-panel-badge {
  font-size: 10px; padding: 4px 12px; border-radius: var(--radius-pill);
  border: 1px solid rgba(0,185,244,0.3); color: var(--accent); background: rgba(0,185,244,0.06);
}
.bi-logo-area {
  background: rgba(255,255,255,0.02); border: 1px solid var(--border-color);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: var(--text-muted); text-align: center; font-family: var(--font-heading); font-weight: 600;
  overflow: hidden;
}
.bi-palette-row { display: flex; gap: 8px; }
.bi-swatch {
  flex: 1; height: 40px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: flex-end; justify-content: center; padding-bottom: 6px;
  font-size: 9px; color: rgba(255,255,255,0.5); font-weight: 500;
}
.bi-type-row {
  background: rgba(255,255,255,0.02); border: 1px solid var(--border-color);
  border-radius: 10px; padding: 16px 20px; display: flex; flex-direction: column; gap: 6px;
}
.bi-type-display { font-size: 24px; font-weight: 600; color: var(--text-primary); letter-spacing: -0.01em; font-family: var(--font-heading); }
.bi-type-label { font-size: 11px; color: var(--text-muted); }
.bi-stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.bi-stat-box { background: rgba(255,255,255,0.02); border: 1px solid var(--border-color); border-radius: 10px; padding: 14px 16px; }
.bi-stat-val { font-size: 18px; font-weight: 700; color: var(--accent); font-family: var(--font-heading); }
.bi-stat-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* ── TOOL STRIP ── */
.bi-tool-strip { padding: 30px 0; border-bottom: 1px solid var(--border-color); }
.bi-tool-strip .container { display: flex; align-items: center; gap: 40px; }
.bi-tool-label { font-size: 12px; color: var(--text-muted); white-space: nowrap; text-transform: uppercase; letter-spacing: 1px; flex-shrink: 0; }
.bi-tool-pills { display: flex; gap: 10px; flex-wrap: wrap; }
.bi-tool-pill {
  display: flex; align-items: center; gap: 8px; padding: 8px 18px;
  border-radius: var(--radius-pill); border: 1px solid var(--border-color);
  background: var(--bg-secondary); font-size: 12px; color: var(--text-secondary);
  transition: var(--transition);
}
.bi-tool-pill:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.bi-pill-icon { width: 14px; height: 14px; display: flex; align-items: center; justify-content: center; opacity: 0.7; }

/* ── SECTION ── */
.bi-section { padding: 120px 0; border-bottom: 1px solid var(--border-color); }

/* ── PROBLEM ── */
.bi-problem .container { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.bi-problem-copy p { font-size: 16px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 24px; }
.bi-pain-list { display: flex; flex-direction: column; gap: 14px; }
.bi-pain-item {
  display: flex; gap: 16px; align-items: flex-start; padding: 20px 24px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); transition: var(--transition);
}
.bi-pain-item:hover { border-color: rgba(239, 68, 68, 0.3); transform: translateX(5px); }
.bi-pain-icon {
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.2);
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  color: #EF4444; margin-top: 2px;
}
.bi-pain-text { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ── SOLUTION ── */
.bi-solution .container { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.bi-solution-copy p { font-size: 16px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 24px; }
.bi-solution-callout {
  background: rgba(0, 185, 244, 0.05); border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0;
  padding: 18px 24px; font-size: 14px; color: var(--text-primary); line-height: 1.7; font-style: italic;
}

.bi-solution-visual {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 32px; display: flex; flex-direction: column; gap: 14px;
}
.bi-sol-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 1px; }
.bi-sol-logo-block {
  background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-weight: 700; color: var(--text-primary); font-size: 18px;
  overflow: hidden;
}
.bi-sol-palette { display: flex; gap: 8px; }
.bi-sol-swatch {
  flex: 1; height: 50px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: flex-end; justify-content: center; padding-bottom: 8px;
  font-size: 10px; color: rgba(255,255,255,0.5); font-weight: 500;
}
.bi-sol-guideline-row {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: 10px; padding: 14px 18px; transition: var(--transition);
}
.bi-sol-guideline-row:hover { border-color: var(--accent); }
.bi-sol-guideline-left { display: flex; align-items: center; gap: 12px; }
.bi-sol-guideline-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.bi-sol-guideline-text { font-size: 14px; color: var(--text-secondary); font-weight: 500; }
.bi-sol-guideline-badge {
  font-size: 11px; padding: 4px 12px; border-radius: var(--radius-pill);
  border: 1px solid var(--border-color); color: var(--text-muted); background: rgba(255,255,255,0.03);
}

/* ── SERVICES ── */
.bi-services-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 50px; }
.bi-services-header .bi-heading { max-width: 480px; margin-bottom: 0; }
.bi-services-header-right { font-size: 15px; color: var(--text-secondary); max-width: 320px; text-align: right; line-height: 1.6; padding-bottom: 6px; }
.bi-services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--border-color); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); overflow: hidden;
}
.bi-service-card { background: var(--bg-primary); padding: 40px 32px; display: flex; flex-direction: column; gap: 18px; transition: var(--transition); }
.bi-service-card:hover { background: var(--bg-secondary); }
.bi-svc-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(255,255,255,0.03); border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; color: var(--accent); }
.bi-svc-icon svg { width: 24px; height: 24px; }
.bi-service-card h3 { font-size: 18px; font-weight: 700; color: var(--text-primary); line-height: 1.3; }
.bi-service-card p { font-size: 14px; line-height: 1.7; color: var(--text-secondary); flex: 1; }
.bi-svc-arrow { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; color: var(--text-muted); align-self: flex-start; transition: var(--transition); }
.bi-service-card:hover .bi-svc-arrow { background: var(--accent); color: var(--bg-primary); border-color: var(--accent); transform: translate(3px, -3px); }

/* ── TOOLS ── */
.bi-tools .bi-heading { margin-bottom: 12px; }
.bi-tools-sub { font-size: 16px; color: var(--text-secondary); margin-bottom: 50px; }
.bi-tools-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bi-tool-cat {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 32px 28px; display: flex; flex-direction: column; gap: 20px; transition: var(--transition);
}
.bi-tool-cat:hover { border-color: var(--accent); transform: translateY(-4px); }
.bi-tool-cat-header { display: flex; align-items: center; gap: 14px; }
.bi-tool-cat-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--bg-primary); border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; color: var(--accent); flex-shrink: 0; }
.bi-tool-cat-icon svg { width: 22px; height: 22px; }
.bi-tool-cat-name { font-size: 16px; font-weight: 700; color: var(--text-primary); }
.bi-tool-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.bi-tool-tag {
  font-size: 12px; padding: 6px 16px; border-radius: var(--radius-pill);
  border: 1px solid var(--border-color); color: var(--text-secondary); background: var(--bg-primary);
  transition: var(--transition);
}
.bi-tool-tag:hover { background: var(--accent); border-color: var(--accent); color: var(--bg-primary); }

/* ── PROCESS ── */
.bi-process-top { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-bottom: 70px; align-items: end; }
.bi-process-top .bi-heading { margin-bottom: 0; }
.bi-process-sub { font-size: 16px; color: var(--text-secondary); line-height: 1.7; padding-bottom: 5px; }
.bi-process-steps { display: grid; grid-template-columns: repeat(5, 1fr); position: relative; gap: 20px; }
.bi-process-step { position: relative; padding-right: 15px; }
.bi-process-step:not(:last-child)::after { content: ''; position: absolute; top: 24px; left: 58px; right: 0; height: 1px; border-top: 1px dashed rgba(255,255,255,0.12); }
.bi-process-num { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700; color: var(--accent); margin-bottom: 24px; background: var(--bg-secondary); position: relative; z-index: 1; font-family: var(--font-heading); }
.bi-process-step h3 { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 12px; }
.bi-process-step p { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* ── BENEFITS ── */
.bi-benefits-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 50px; }
.bi-benefits-header .bi-heading { max-width: 480px; margin-bottom: 0; }
.bi-benefits-header p { font-size: 15px; color: var(--text-secondary); max-width: 320px; text-align: right; line-height: 1.6; }
.bi-benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bi-benefit-card {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 40px 32px; display: flex; flex-direction: column; gap: 16px; transition: var(--transition);
}
.bi-benefit-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.bi-benefit-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--bg-primary); border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; color: var(--accent); }
.bi-benefit-icon svg { width: 24px; height: 24px; }
.bi-benefit-card h3 { font-size: 18px; font-weight: 700; color: var(--text-primary); }
.bi-benefit-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ── STATS STRIP ── */
.bi-stats-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--border-color);
  border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color);
}
.bi-stat-cell { background: var(--bg-primary); padding: 60px 40px; text-align: center; }
.bi-stat-cell-val { font-size: 44px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; font-family: var(--font-heading); }
.bi-stat-cell-label { font-size: 14px; color: var(--text-secondary); margin-top: 8px; line-height: 1.5; }

/* ── TESTIMONIALS ── */
.bi-testimonials .bi-heading { margin-bottom: 50px; }
.bi-testi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.bi-testi-card {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 40px; display: flex; flex-direction: column; gap: 24px;
}
.bi-testi-quote { font-size: 48px; color: var(--accent); font-family: serif; line-height: 1; opacity: 0.3; margin-bottom: -20px; }
.bi-testi-body { font-size: 16px; line-height: 1.8; color: var(--text-primary); font-style: italic; flex: 1; }
.bi-testi-author { display: flex; align-items: center; gap: 16px; padding-top: 24px; border-top: 1px solid var(--border-color); }
.bi-testi-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--bg-primary); border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--accent); font-family: var(--font-heading); }
.bi-testi-name { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.bi-testi-role { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ── CTA ── */
.bi-cta .container { display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: center; }
.bi-cta .bi-heading { margin-bottom: 20px; }
.bi-cta p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; max-width: 520px; }
.bi-cta-actions { display: flex; flex-direction: column; gap: 14px; min-width: 280px; }

.bi-cta-footer { padding: 30px 0; border-top: 1px solid var(--border-color); }
.bi-cta-footer .container { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.bi-cta-tag {
  font-size: 12px; color: var(--text-muted); padding: 6px 18px;
  border-radius: var(--radius-pill); border: 1px solid var(--border-color);
  background: var(--bg-secondary); text-transform: uppercase; letter-spacing: 1px;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .bi-process-steps { grid-template-columns: repeat(3, 1fr); }
  .bi-process-step:nth-child(3)::after { display: none; }
}
@media (max-width: 991px) {
  .bi-hero .container, .bi-problem .container, .bi-solution .container, .bi-cta .container, .bi-process-top { grid-template-columns: 1fr; gap: 40px; }
  .bi-services-grid, .bi-testi-grid { grid-template-columns: 1fr; }
  .bi-tools-grid, .bi-benefits-grid, .bi-stats-strip { grid-template-columns: repeat(2, 1fr); }
  .bi-services-header, .bi-benefits-header { flex-direction: column; gap: 12px; }
  .bi-services-header-right, .bi-benefits-header p { text-align: left; max-width: 100%; }
}
@media (max-width: 600px) {
  .bi-tools-grid, .bi-benefits-grid, .bi-stats-strip, .bi-process-steps, .bi-hero-stat-row { grid-template-columns: 1fr; }
  .bi-process-step:not(:last-child)::after { display: none; }
}