/* ==========================================
   FACILITER AI — ENTERPRISE CONSULTING THEME
   Premium, authoritative visual identity derived
   from the brand logo. Layers on top of Tailwind.
   ========================================== */

/* -----------------------------------------
   1. GLOBAL COLOR SYSTEM (CSS Variables)
   ----------------------------------------- */
:root {
  /* Base & Typography */
  --bg-main: var(--theme-surface, #FFFFFF);
  --bg-subtle: var(--theme-surface-muted, #F8FAFC);
  --text-primary: var(--theme-text, #0F172A);
  --text-secondary: var(--theme-text-muted, #475569);

  /* Brand Colors (from logo) */
  --brand-navy: var(--theme-brand-secondary, var(--theme-secondary, #0F172A));
  --brand-royal: var(--theme-primary, #1E40AF);
  --accent-cyan: var(--theme-brand-primary, var(--theme-accent-soft, #06B6D4));
  --accent-blue: var(--theme-accent, #3B82F6);

  /* Borders & Surfaces */
  --border-subtle: var(--theme-border, #E2E8F0);
  --border-card: var(--theme-border, #E2E8F0);
  --surface-card: var(--theme-surface, #FFFFFF);
  --surface-elevated: var(--theme-surface, #FFFFFF);

  /* Shadows */
  --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.05),
                 0 2px 4px -1px rgba(15, 23, 42, 0.03);
  --shadow-card-hover: 0 10px 25px -3px rgba(15, 23, 42, 0.08),
                       0 4px 10px -2px rgba(15, 23, 42, 0.04);
  --shadow-elevated: 0 20px 40px -4px rgba(15, 23, 42, 0.1),
                     0 8px 16px -4px rgba(15, 23, 42, 0.06);

  /* Transition */
  --transition-base: 0.3s ease;
}


/* -----------------------------------------
   2. TYPOGRAPHY STRATEGY
   ----------------------------------------- */

/* Font stack — Inter loaded at 300-800 */
.corp-site body,
body.corp-site {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Heading base: Semi-bold + Navy */
.corp-heading {
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

/* Highlighted keyword within heading: Extra-bold + cyan gradient */
.corp-heading .highlight,
.corp-highlight {
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Solid cyan variant (no gradient) */
.corp-heading .highlight-solid,
.corp-highlight-solid {
  font-weight: 800;
  color: var(--accent-cyan);
}

/* H1 sizing */
.corp-h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--text-primary);
}

.corp-hero-title {
  max-width: 11ch;
  line-height: 0.98;
}

.corp-hero-title-line {
  display: block;
}

.corp-hero-title-highlight {
  color: var(--accent-cyan);
  font-weight: 800;
}

.corp-hero-title-supporting {
  max-width: 8ch;
}

.corp-hero-intro {
  max-width: 40rem;
}

/* H2 sizing (section headers) */
.corp-h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-primary);
}

/* H3 sizing (card titles) */
.corp-h3 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--text-primary);
}

/* Section tagline (above heading) */
.corp-tagline {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

/* Body / prose text */
.corp-body {
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.6;
}

.corp-body-lg {
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.7;
}

/* Dark Section Overrides */
.corp-hero .corp-h1,
.corp-hero .corp-h2,
.corp-hero .corp-h3,
.corp-cta-banner .corp-h1,
.corp-cta-banner .corp-h2,
.corp-cta-banner .corp-h3 {
  color: #FFFFFF;
}

.corp-hero .corp-body,
.corp-hero .corp-body-lg,
.corp-cta-banner .corp-body,
.corp-cta-banner .corp-body-lg {
  color: #CBD5E1; /* slate-300 */
}


/* -----------------------------------------
   3. BUTTONS
   ----------------------------------------- */

/* Primary CTA — Cyan bg, white text, structured corners */
.corp-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background-color: var(--accent-cyan);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(6, 182, 212, 0.3);
}

.corp-btn-primary:hover {
  background-color: var(--accent-blue);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
  transform: translateY(-1px);
  color: #FFFFFF;
}

.corp-btn-primary:active {
  transform: translateY(0);
}

/* Secondary CTA — Transparent, navy border */
.corp-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background-color: transparent;
  color: var(--brand-navy);
  font-weight: 600;
  font-size: 0.9375rem;
  border: 2px solid var(--brand-navy);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.corp-btn-secondary:hover {
  background-color: var(--bg-subtle);
  color: var(--brand-navy);
}

/* Ghost button — for dark backgrounds */
.corp-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.9375rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.corp-btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.35);
  color: #FFFFFF;
}

/* Button sizing variants */
.corp-btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.8125rem;
}

.corp-btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1rem;
}


/* -----------------------------------------
   4. CARDS & CONTAINERS
   ----------------------------------------- */

.corp-card {
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base),
              transform var(--transition-base);
  overflow: hidden;
}

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

.corp-card-body {
  padding: 2rem;
}

/* Card with top accent bar */
.corp-card-accent {
  position: relative;
}

.corp-card-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 12px 12px 0 0;
}

/* Elevated panel (mockups, demos) */
.corp-panel {
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  box-shadow: var(--shadow-elevated);
}


/* -----------------------------------------
   5. ICON CONTAINERS
   ----------------------------------------- */

.corp-icon-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 12px;
  background-color: rgba(6, 182, 212, 0.08);
  transition: background-color var(--transition-base);
}

.corp-icon-box:hover,
.group:hover .corp-icon-box {
  background-color: rgba(6, 182, 212, 0.15);
}

.corp-icon-box i,
.corp-icon-box svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--accent-cyan);
}

/* Icon box color variants */
.corp-icon-box-red {
  background-color: rgba(239, 68, 68, 0.08);
}
.corp-icon-box-red i,
.corp-icon-box-red svg {
  color: #EF4444;
}

.corp-icon-box-amber {
  background-color: rgba(245, 158, 11, 0.08);
}
.corp-icon-box-amber i,
.corp-icon-box-amber svg {
  color: #F59E0B;
}

.corp-icon-box-orange {
  background-color: rgba(249, 115, 22, 0.08);
}
.corp-icon-box-orange i,
.corp-icon-box-orange svg {
  color: #F97316;
}


/* -----------------------------------------
   6. SECTIONS & LAYOUT
   ----------------------------------------- */

/* Dark hero section */
.corp-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--brand-navy);
  padding-top: 7rem;
  padding-bottom: 5rem;
}

@media (min-width: 1024px) {
  .corp-hero {
    padding-top: 8.5rem;
    padding-bottom: 7rem;
  }
}

.corp-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--brand-navy), #1E293B, #0F172A);
}

/* Light section */
.corp-section {
  padding: 6rem 0;
}

/* Subtle alternate bg */
.corp-section-alt {
  padding: 6rem 0;
  background-color: var(--bg-subtle);
}

/* Dark CTA banner */
.corp-cta-banner {
  padding: 5rem 0;
  background-color: var(--brand-navy);
  position: relative;
  overflow: hidden;
}


/* -----------------------------------------
   7. NAVBAR OVERRIDES (corp-site specific)
   ----------------------------------------- */

/* Enterprise nav — slightly more weight */
.corp-site .corp-nav-link,
nav a.corp-nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--transition-base);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.corp-site .corp-nav-link:hover,
nav a.corp-nav-link:hover {
  color: var(--text-primary);
}


/* -----------------------------------------
   8. STATS & METRICS
   ----------------------------------------- */

.corp-stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.corp-stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* On dark backgrounds */
.corp-stat-value-light {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent-cyan);
}

.corp-stat-label-light {
  font-size: 0.875rem;
  color: rgba(148, 163, 184, 1);
  margin-top: 0.5rem;
}


/* -----------------------------------------
   9. CHECKLIST ITEMS
   ----------------------------------------- */

.corp-check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.corp-check-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background-color: rgba(6, 182, 212, 0.1);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.corp-check-icon i,
.corp-check-icon svg {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--accent-cyan);
}


/* -----------------------------------------
   10. COMPARISON BADGES
   ----------------------------------------- */

.corp-badge-legacy {
  font-size: 0.75rem;
  font-weight: 700;
  color: #EF4444;
  padding: 0.125rem 0;
  min-width: 3.5rem;
}

.corp-badge-modern {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  padding: 0.125rem 0;
  min-width: 3.5rem;
}


/* -----------------------------------------
   11. STEP INDICATOR (How It Works)
   ----------------------------------------- */

.corp-step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  background-color: var(--brand-navy);
  border-radius: 16px;
  margin: 0 auto 1.5rem;
}

.corp-step-number span {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-cyan);
}


/* -----------------------------------------
   12. FOOTER OVERRIDES
   ----------------------------------------- */

.corp-footer-link {
  color: rgba(148, 163, 184, 1);
  transition: color var(--transition-base);
  text-decoration: none;
}

.corp-footer-link:hover {
  color: var(--accent-cyan);
}


/* -----------------------------------------
   13. TERMINAL / CODE MOCKUP
   ----------------------------------------- */

.corp-terminal {
  background: linear-gradient(135deg, #1E293B, #0F172A);
  border: 1px solid rgba(51, 65, 85, 0.5);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-elevated);
}

.corp-terminal-dots {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.corp-terminal-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
}

.corp-terminal-dot-red { background-color: rgba(239, 68, 68, 0.8); }
.corp-terminal-dot-yellow { background-color: rgba(234, 179, 8, 0.8); }
.corp-terminal-dot-green { background-color: rgba(34, 197, 94, 0.8); }


/* -----------------------------------------
   14. CONFIDENCE / TRUST BADGE
   ----------------------------------------- */

.corp-confidence-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.corp-confidence-high {
  background-color: rgba(22, 163, 74, 0.1);
  color: #15803D;
}


/* -----------------------------------------
   15. PULSE INDICATOR
   ----------------------------------------- */

.corp-pulse {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  animation: corp-pulse-anim 2s infinite;
}

@keyframes corp-pulse-anim {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}


/* -----------------------------------------
   16. RESPONSIVE FINE-TUNING
   ----------------------------------------- */

@media (max-width: 768px) {
  .corp-h1 {
    font-size: 2rem;
  }
  .corp-h2 {
    font-size: 1.625rem;
  }
  .corp-section,
  .corp-section-alt {
    padding: 3.5rem 0;
  }
  .corp-card-body {
    padding: 1.5rem;
  }
  .corp-btn-primary,
  .corp-btn-secondary,
  .corp-btn-ghost {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
  }
}