/* =========================================
   MLC Technical Services - Complete Stylesheet
   Design System: Matching LeGroupeMLC main site
   Subsidiary Accent: #4A4F55 (Steel Gray)
   ========================================= */

/* Root Variables */
:root {
  /* Colors */
  --primary-dark: #0A1628;
  --accent-gold: #C8A55A;
  --accent-gray: #4A4F55;
  --off-white: #F5F3EF;
  --border-warm: #E8E4DD;
  --text-dark: #1A1A1A;
  --text-light: #666666;
  --white: #FFFFFF;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-lg: 16px;

  /* Transitions */
  --transition-smooth: all 0.3s ease;
  --transition-fade: opacity 0.3s ease;
}

/* =========================================
   Global Styles
   ========================================= */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-dark);
  background-color: var(--off-white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  line-height: 1.3;
  color: var(--primary-dark);
}

h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: 1.35rem;
  margin-bottom: var(--spacing-sm);
}

p {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--accent-gray);
  text-decoration: none;
  transition: var(--transition-smooth);
}

a:hover {
  color: var(--accent-gold);
}

/* =========================================
   Header & Navigation
   ========================================= */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border-warm);
  z-index: 1000;
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo img {
  height: 50px;
  width: auto;
}

.logo-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary-dark);
}

nav {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

nav a {
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  position: relative;
  padding-bottom: 0.25rem;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gray);
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

.nav-parent {
  background: var(--accent-gold);
  color: var(--white) !important;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.nav-parent::after {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--primary-dark);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

/* =========================================
   Content Wrapper & Body Padding
   ========================================= */

body {
  padding-top: 90px;
}

main {
  min-height: calc(100vh - 90px);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* =========================================
   Hero Section
   ========================================= */

.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, rgba(10, 22, 40, 0.95) 100%);
  color: var(--white);
  padding: var(--spacing-xxl) var(--spacing-lg);
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(200, 165, 90, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  animation: fadeUp 0.8s ease;
}

.hero h1 {
  color: var(--white);
  font-size: 3.5rem;
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero .cta-button {
  display: inline-block;
  background: var(--accent-gray);
  color: var(--white);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
}

.hero .cta-button:hover {
  background: var(--accent-gold);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(200, 165, 90, 0.3);
}

/* =========================================
   Services Grid
   ========================================= */

.services-section {
  padding: var(--spacing-xxl) var(--spacing-lg);
  background: var(--off-white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
}

.section-header h2 {
  color: var(--primary-dark);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: var(--transition-smooth);
  cursor: pointer;
  animation: fadeUp 0.6s ease;
}

.service-card:hover {
  border-color: var(--accent-gray);
  box-shadow: 0 12px 32px rgba(74, 79, 85, 0.12);
  transform: translateY(-4px);
}

.service-card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent-gray), rgba(74, 79, 85, 0.7));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.service-card-icon svg {
  width: 32px;
  height: 32px;
  fill: var(--white);
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-dark);
}

.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* =========================================
   Stats Bar
   ========================================= */

.stats-bar {
  background: var(--primary-dark);
  color: var(--white);
  padding: var(--spacing-xxl) var(--spacing-lg);
  text-align: center;
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.stat-item {
  animation: fadeUp 0.6s ease;
}

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-gray);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* =========================================
   CTA Section
   ========================================= */

.cta-section {
  background: linear-gradient(135deg, var(--accent-gray) 0%, rgba(74, 79, 85, 0.9) 100%);
  color: var(--white);
  padding: var(--spacing-xxl) var(--spacing-lg);
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button-primary {
  display: inline-block;
  background: var(--accent-gold);
  color: var(--primary-dark);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
}

.cta-button-primary:hover {
  background: var(--off-white);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* =========================================
   Content Sections
   ========================================= */

.content-section {
  padding: var(--spacing-xxl) var(--spacing-lg);
}

.content-section:nth-child(odd) {
  background: var(--white);
}

.content-section:nth-child(even) {
  background: var(--off-white);
}

.content-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-intro {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
}

.section-intro h2 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-md);
}

.section-intro p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

/* =========================================
   Service Details Section
   ========================================= */

.service-detail {
  margin-bottom: var(--spacing-xxl);
  animation: fadeUp 0.6s ease;
}

.service-detail h3 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--accent-gray);
  padding-left: var(--spacing-md);
}

.service-detail p,
.service-detail li {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.service-detail ul {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.service-detail li {
  margin-bottom: var(--spacing-sm);
}

.service-detail li::marker {
  color: var(--accent-gray);
}

/* =========================================
   Two-Column Layout
   ========================================= */

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.two-column-text h3 {
  color: var(--primary-dark);
}

.highlight-box {
  background: linear-gradient(135deg, rgba(74, 79, 85, 0.05), rgba(200, 165, 90, 0.05));
  border-left: 4px solid var(--accent-gray);
  padding: var(--spacing-lg);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-lg);
}

/* =========================================
   Table Styles
   ========================================= */

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

thead {
  background: var(--accent-gray);
  color: var(--white);
}

th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  font-size: 0.95rem;
}

td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-warm);
  color: var(--text-light);
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--off-white);
}

/* =========================================
   Engagement Model Cards
   ========================================= */

.engagement-phases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.phase-card {
  background: var(--white);
  border: 2px solid var(--border-warm);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  animation: fadeUp 0.6s ease;
}

.phase-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gray);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.phase-card:hover {
  border-color: var(--accent-gray);
  box-shadow: 0 12px 24px rgba(74, 79, 85, 0.15);
}

.phase-card:hover::before {
  transform: scaleX(1);
}

.phase-number {
  display: inline-block;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--accent-gray), rgba(74, 79, 85, 0.7));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.phase-card h4 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-sm);
}

.phase-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* =========================================
   Qualifications Section
   ========================================= */

.qualifications-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.qualification {
  background: var(--white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-sm);
  padding: var(--spacing-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  transition: var(--transition-smooth);
}

.qualification:hover {
  border-color: var(--accent-gray);
  box-shadow: 0 8px 16px rgba(74, 79, 85, 0.1);
}

.qualification-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-gray), rgba(74, 79, 85, 0.6));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.qualification-icon svg {
  width: 20px;
  height: 20px;
  fill: var(--white);
}

.qualification-text h4 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-xs);
}

.qualification-text p {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* =========================================
   Contact Form
   ========================================= */

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  max-width: 1200px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--primary-dark);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-md);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-smooth);
  background: var(--white);
  color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-gray);
  box-shadow: 0 0 0 3px rgba(74, 79, 85, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.form-button {
  background: var(--accent-gray);
  color: var(--white);
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: var(--spacing-sm);
}

.form-button:hover {
  background: var(--accent-gold);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(200, 165, 90, 0.3);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.contact-item {
  display: flex;
  gap: var(--spacing-md);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--accent-gray), rgba(74, 79, 85, 0.7));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--white);
}

.contact-details h4 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-xs);
}

.contact-details p {
  color: var(--text-light);
  margin-bottom: 0;
}

.contact-details a {
  color: var(--accent-gray);
  font-weight: 500;
}

.contact-details a:hover {
  color: var(--accent-gold);
}

/* =========================================
   Footer
   ========================================= */

footer {
  background: var(--primary-dark);
  color: var(--white);
  padding: var(--spacing-xxl) var(--spacing-lg);
  margin-top: var(--spacing-xxl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--accent-gray);
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.footer-section a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.footer-logo img {
  height: 40px;
  width: auto;
}

/* =========================================
   Animations
   ========================================= */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Intersection Observer Animation */
.fade-in-up {
  animation: fadeUp 0.6s ease forwards;
  opacity: 0;
}

/* =========================================
   Responsive Design
   ========================================= */

@media (max-width: 768px) {
  :root {
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 2.5rem;
  }

  header {
    padding: var(--spacing-md) var(--spacing-md);
  }

  .logo img {
    height: 40px;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--white);
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--border-warm);
  }

  nav.active {
    display: flex;
  }

  nav a {
    padding: var(--spacing-sm) 0;
  }

  nav a::after {
    display: none;
  }

  nav a.active {
    color: var(--accent-gray);
    font-weight: 700;
  }

  .hamburger {
    display: flex;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.35rem;
  }

  .hero {
    min-height: 350px;
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .stats-container {
    grid-template-columns: 1fr;
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  .contact-container {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }

  .hero::before {
    width: 250px;
    height: 250px;
  }
}

@media (max-width: 480px) {
  body {
    padding-top: 70px;
  }

  header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .logo img {
    height: 35px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.35rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  .hero {
    min-height: 300px;
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .content-section {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .cta-button,
  .cta-button-primary,
  .form-button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  table {
    font-size: 0.85rem;
  }

  th,
  td {
    padding: var(--spacing-sm);
  }

  .phase-card,
  .service-card,
  .qualification {
    padding: var(--spacing-md);
  }
}

/* =========================================
   Accessibility
   ========================================= */

@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;
  }
}

/* =========================================
   Print Styles
   ========================================= */

@media print {
  header,
  footer,
  .cta-section {
    display: none;
  }

  body {
    background: var(--white);
    padding-top: 0;
  }

  .content-section {
    page-break-inside: avoid;
  }
}