/* ===== Enhanced Ahjayee Consulting Design System ===== */
:root {
  /* Brand Colours - Professional & Trustworthy */
  --brand-black: #0b0f19;
  --brand-navy: #1e3a8a;
  --brand-navy-dark: #172554;
  --brand-green: #28a745;
  --brand-green-dark: #1e7e34;
  --brand-light-grey: #f8f9fb;
  --border-light: #e5e7eb;
  
  /* Extended Palette */
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --surface: #ffffff;
  --surface-alt: #f8f9fb;
  
  /* Multi-layer Shadow System */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 
               0 2px 4px rgba(0,0,0,0.04), 
               0 4px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 4px rgba(0,0,0,0.05), 
               0 4px 8px rgba(0,0,0,0.05), 
               0 8px 16px rgba(0,0,0,0.05);
  --shadow-lg: 0 4px 8px rgba(0,0,0,0.06), 
               0 8px 16px rgba(0,0,0,0.06), 
               0 16px 32px rgba(0,0,0,0.06);
  --shadow-xl: 0 8px 16px rgba(0,0,0,0.08), 
               0 16px 32px rgba(0,0,0,0.08), 
               0 32px 64px rgba(0,0,0,0.08);
  
  /* Radius System */
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Ubuntu, sans-serif;
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  
  /* Transitions */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Global Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: #ffffff;
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ===== Enhanced Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0 0 1rem 0;
}

h1, .h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

h2, .h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

h3, .h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

h4, .h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
}

h5, .h5 {
  font-size: 1.125rem;
  font-weight: 600;
}

/* Display headings for hero sections */
.display-4, .display-5 {
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.display-4 {
  font-size: clamp(3rem, 6vw, 4rem);
}

.display-5 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
}

/* Lead text */
.lead {
  font-size: 1.25rem;
  line-height: 1.6;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

strong, .fw-bold {
  font-weight: 600 !important;
  color: var(--text-primary);
}

.fw-semibold {
  font-weight: 500 !important;
}

/* ===== Enhanced Navigation ===== */
.navbar {
  padding: 1.25rem 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--brand-black) !important;
  letter-spacing: -0.02em;
  transition: var(--transition);
}

.navbar-brand:hover {
  transform: translateX(2px);
  color: var(--brand-navy) !important;
}

.navbar-nav .nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
}

.navbar-nav .nav-link:hover {
  color: var(--brand-navy) !important;
  background: rgba(30, 58, 138, 0.05);
}

.navbar-nav .nav-link.active {
  color: var(--brand-navy) !important;
  background: rgba(30, 58, 138, 0.08);
  font-weight: 600;
}

/* Navbar button fix - ensure text is always visible */
.navbar .btn {
  margin-left: 1rem;
}

.navbar .btn-black {
  background: var(--brand-black) !important;
  color: white !important;
  border: 2px solid var(--brand-black);
}

.navbar .btn-black:hover {
  background: #1a1f2e !important;
  color: white !important;
  border-color: #1a1f2e;
}

/* Navbar Primary button for personal site */
.navbar .btn-primary {
  background: #244780 !important;
  color: white !important;
  border: 2px solid #244780;
}

.navbar .btn-primary:hover {
  background: #1a325a !important;
  color: white !important;
  border-color: #1a325a;
}

/* Remove Bootstrap's toggler border */
.navbar-toggler {
  border: none;
  padding: 4px 8px;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* ===== Enhanced Buttons ===== */
.btn {
  position: relative;
  overflow: hidden;
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  transition: var(--transition);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

/* Ripple effect on hover */
.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

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

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

.btn-lg {
  padding: 1.125rem 2.25rem;
  font-size: 1rem;
}

/* Black button - Primary CTA */
.btn-black {
  background: var(--brand-black) !important;
  color: white !important;
  border-color: var(--brand-black) !important;
  box-shadow: 0 4px 14px rgba(11, 15, 25, 0.25);
}

.btn-black:hover,
.btn-black:focus,
.btn-black:active {
  background: #1a1f2e !important;
  color: white !important;
  border-color: #1a1f2e !important;
  box-shadow: 0 8px 20px rgba(11, 15, 25, 0.35);
}

/* Navy button - Secondary CTA */
.btn-navy {
  background: var(--brand-navy) !important;
  color: white !important;
  border-color: var(--brand-navy) !important;
  box-shadow: 0 4px 14px rgba(30, 58, 138, 0.25);
}

.btn-navy:hover,
.btn-navy:focus,
.btn-navy:active {
  background: var(--brand-navy-dark) !important;
  color: white !important;
  border-color: var(--brand-navy-dark) !important;
  box-shadow: 0 8px 20px rgba(30, 58, 138, 0.35);
}

/* Success button - Positive actions */
.btn-success {
  background: var(--brand-green) !important;
  color: white !important;
  border-color: var(--brand-green) !important;
  box-shadow: 0 4px 14px rgba(40, 167, 69, 0.25);
}

.btn-success:hover,
.btn-success:focus,
.btn-success:active {
  background: var(--brand-green-dark) !important;
  color: white !important;
  border-color: var(--brand-green-dark) !important;
  box-shadow: 0 8px 20px rgba(40, 167, 69, 0.35);
}

/* Light button */
.btn-light {
  background: white !important;
  color: var(--brand-black) !important;
  border-color: white !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.btn-light:hover,
.btn-light:focus,
.btn-light:active {
  background: var(--brand-light-grey) !important;
  color: var(--brand-black) !important;
  border-color: var(--brand-light-grey) !important;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

/* Outline variants */
.btn-outline-dark {
  background: transparent !important;
  color: var(--brand-black) !important;
  border: 2px solid var(--brand-black) !important;
  box-shadow: none;
}

.btn-outline-dark:hover,
.btn-outline-dark:focus,
.btn-outline-dark:active {
  background: var(--brand-black) !important;
  color: white !important;
  border-color: var(--brand-black) !important;
}

.btn-outline-success {
  background: transparent !important;
  color: var(--brand-green) !important;
  border: 2px solid var(--brand-green) !important;
  box-shadow: none;
}

.btn-outline-success:hover,
.btn-outline-success:focus,
.btn-outline-success:active {
  background: var(--brand-green) !important;
  color: white !important;
  border-color: var(--brand-green) !important;
}

.btn-outline-navy {
  background: transparent !important;
  color: var(--brand-navy) !important;
  border: 2px solid var(--brand-navy) !important;
  box-shadow: none;
}

.btn-outline-navy:hover,
.btn-outline-navy:focus,
.btn-outline-navy:active {
  background: var(--brand-navy) !important;
  color: white !important;
  border-color: var(--brand-navy) !important;
}

/* Primary button (for personal site compatibility) */
.btn-primary {
  background: #244780 !important;
  color: white !important;
  border-color: #244780 !important;
  box-shadow: 0 4px 14px rgba(36, 71, 128, 0.25);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background: #1a325a !important;
  color: white !important;
  border-color: #1a325a !important;
  box-shadow: 0 8px 20px rgba(36, 71, 128, 0.35);
}

.btn-outline-primary {
  background: transparent !important;
  color: #244780 !important;
  border: 2px solid #244780 !important;
  box-shadow: none;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active {
  background: #244780 !important;
  color: white !important;
  border-color: #244780 !important;
}

/* ===== Sections & Layout ===== */
header {
  background: var(--surface);
  position: relative;
}

/* Hero sections need space */
header.py-6 {
  padding: 6rem 0 5rem !important;
}

section {
  padding: 4rem 0;
  position: relative;
}

.py-4 {
  padding-top: 2.5rem !important;
  padding-bottom: 2.5rem !important;
}

.py-5 {
  padding-top: 3rem !important;
  padding-bottom: 3rem !important;
}

.py-6 {
  padding-top: 5rem !important;
  padding-bottom: 5rem !important;
}

.section-grey {
  background: linear-gradient(135deg, #f8f9fb 0%, #ffffff 100%);
  position: relative;
}

/* ===== Enhanced Cards ===== */
.card-minimal {
  background: var(--surface);
  border: none;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-slow);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.card-minimal::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-navy), var(--brand-green));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.card-minimal:hover::after {
  transform: scaleX(1);
}

/* Special border for featured cards */
.card-minimal.border-navy {
  border: 3px solid var(--brand-navy) !important;
}

.card-minimal.border-navy::after {
  background: var(--brand-navy);
  transform: scaleX(1);
}

/* Testimonial cards */
.testimonial-card {
  background: var(--surface);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-slow);
  overflow: hidden;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.quote-mark {
  font-size: 3rem;
  background: linear-gradient(135deg, var(--brand-navy), var(--brand-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  opacity: 0.7;
}

/* ===== Badges & Labels ===== */
.badge {
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.bg-navy {
  background: linear-gradient(135deg, var(--brand-navy), var(--brand-navy-dark)) !important;
}

.bg-success {
  background: linear-gradient(135deg, var(--brand-green), var(--brand-green-dark)) !important;
}

.service-badge {
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
}

.service-badge.consulting {
  background: linear-gradient(135deg, var(--brand-green), var(--brand-green-dark));
  color: white;
}

.service-badge.mvp {
  background: linear-gradient(135deg, var(--brand-navy), var(--brand-navy-dark));
  color: white;
}

.stat-badge {
  background: linear-gradient(135deg, var(--brand-black), #1a1f2e);
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

/* ===== Forms Enhancement ===== */
.form-control, .form-select {
  background: #f8f9fa;
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  font-size: 0.95rem;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--brand-navy);
  box-shadow: 0 0 0 4px rgba(30, 58, 138, 0.1);
  background: white;
}

.form-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

/* Contact form specific */
.contact-form {
  background: white;
  border: none;
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-slow);
}

.contact-form:hover {
  box-shadow: var(--shadow-xl);
}

.contact-method {
  background: var(--surface);
  border: none;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-slow);
  text-align: center;
  height: 100%;
}

.contact-method:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ===== Accordion Enhancement ===== */
.accordion {
  border: none;
}

.accordion-item {
  background: var(--surface);
  border: none;
  margin-bottom: 1rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.accordion-item:hover {
  box-shadow: var(--shadow-md);
}

.accordion-header {
  background: transparent;
}

.accordion-button {
  background: var(--surface);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 1.25rem;
  border: none;
  box-shadow: none;
  letter-spacing: -0.01em;
}

.accordion-button:not(.collapsed) {
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.05), rgba(40, 167, 69, 0.05));
  color: var(--brand-navy);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
  border: none;
}

.accordion-button::after {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-body {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Process Steps ===== */
.process-step {
  text-align: center;
  position: relative;
}

.process-step .rounded-circle {
  width: 3rem;
  height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--brand-navy), var(--brand-navy-dark));
}

/* ===== Links Enhancement ===== */
a {
  color: var(--brand-navy);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--brand-navy-dark);
}

/* Links with underline animation */
p a:not(.btn), 
footer a:not(.btn) {
  position: relative;
  font-weight: 500;
}

p a:not(.btn)::after,
footer a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: width 0.3s ease;
}

p a:not(.btn):hover::after,
footer a:not(.btn):hover::after {
  width: 100%;
}

/* ===== Footer ===== */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border-light);
  padding: 2rem 0;
}

footer small {
  color: var(--text-muted);
  font-size: 0.875rem;
}

footer a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
}

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

/* ===== Utilities ===== */
.text-muted {
  color: var(--text-muted) !important;
}

.text-black {
  color: var(--brand-black) !important;
}

.text-navy {
  color: var(--brand-navy) !important;
}

.text-green, .text-success {
  color: var(--brand-green) !important;
}

.border-2 {
  border-width: 2px !important;
}

.border-navy {
  border-color: var(--brand-navy) !important;
}

.fs-6 {
  font-size: 1rem !important;
}

/* Icon enhancements */
.bi {
  transition: var(--transition);
}

.contact-method i.bi,
.process-step i.bi {
  font-size: 2.5rem;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* ===== Mobile Optimisation ===== */
@media (max-width: 768px) {
  h1, .h1, .display-4, .display-5 {
    font-size: 2.5rem;
  }
  
  h2, .h2 {
    font-size: 2rem;
  }
  
  .navbar {
    padding: 1rem 0;
  }
  
  .navbar .btn {
    margin-left: 0;
    margin-top: 0.5rem;
    width: 100%;
  }
  
  .btn-lg {
    padding: 1rem 1.75rem;
  }
  
  .py-6 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  .card-minimal {
    padding: 1.5rem;
  }
  
  .contact-form {
    padding: 2rem;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .display-5 {
    font-size: 1.75rem;
  }
}

/* ===== Loading States ===== */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 3px solid var(--brand-navy);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== Accessibility ===== */
:focus-visible {
  outline: 2px solid var(--brand-navy);
  outline-offset: 2px;
  border-radius: var(--radius);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== Bootstrap Overrides & Fixes ===== */
/* Ensure all buttons maintain visibility */
.btn {
  color: white !important; /* Default to white text */
}

.btn:focus, 
.btn:active,
.btn:hover {
  color: white !important; /* Maintain white text on all states */
}

/* Specific overrides for outline buttons */
.btn-outline-dark,
.btn-outline-success,
.btn-outline-navy,
.btn-outline-primary {
  color: inherit !important; /* Use inherited colour for outline buttons */
}

.btn-outline-dark:not(:hover),
.btn-outline-success:not(:hover),
.btn-outline-navy:not(:hover),
.btn-outline-primary:not(:hover) {
  background: transparent !important;
}

/* Fix for light button text */
.btn-light,
.btn-light:hover,
.btn-light:focus,
.btn-light:active {
  color: var(--brand-black) !important;
}

/* Ensure ripple effect doesn't interfere with text */
.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: 0;
}

.btn > * {
  position: relative;
  z-index: 1;
}

/* Fix for accordion borders */
.accordion-item:first-of-type,
.accordion-item:last-of-type {
  border-radius: var(--radius-lg);
}

/* Ensure form controls work properly */
.form-control:disabled,
.form-select:disabled {
  background-color: #e9ecef;
  opacity: 1;
}

/* Fix Bootstrap card conflicts */
.card {
  border: none;
}

/* Ensure proper list styling */
ul.list-unstyled,
ol.list-unstyled {
  padding-left: 0;
  list-style: none;
}

/* Fix potential modal issues */
.modal-content {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

/* Dropdown fixes */
.dropdown-menu {
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* Table styling if needed */
.table {
  color: var(--text-primary);
}

.table thead th {
  border-bottom: 2px solid var(--border-light);
  font-weight: 600;
}

/* Alert styling */
.alert {
  border: none;
  border-radius: var(--radius);
}

/* Fix for inline code */
code {
  color: var(--brand-navy);
  background: rgba(30, 58, 138, 0.05);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
}

/* Ensure icons maintain proper sizing */
.bi::before {
  vertical-align: middle;
}