:root {
  --explorer-navy: #12232F;
  --research-white: #FAFAF7;
  --discovery-blue: #3B78A4;
  --insight-teal: #4B978A;
  --corner-gold: #C9A45C;
  --soft-stone: #E5E1D8;
  --graphite: #263238;
  --accent-coral: #C96B52;

  --font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --transition-speed: 0.3s;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--research-white);
  color: var(--graphite);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--explorer-navy);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--discovery-blue);
  text-decoration: none;
  transition: color var(--transition-speed);
}

a:hover, a:focus {
  color: var(--insight-teal);
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent-coral);
  outline-offset: 2px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-alt {
  background-color: var(--soft-stone);
}

.section-dark {
  background-color: var(--explorer-navy);
  color: var(--research-white);
}

.section-dark h1, .section-dark h2, .section-dark h3 {
  color: var(--research-white);
}

.btn {
  display: inline-block;
  background-color: var(--discovery-blue);
  color: var(--research-white);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: background-color var(--transition-speed);
}

.btn:hover {
  background-color: var(--insight-teal);
  color: var(--research-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--discovery-blue);
  border: 1px solid var(--discovery-blue);
}

.btn-secondary:hover {
  background-color: var(--discovery-blue);
  color: var(--research-white);
}

.tech-label {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-coral);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(250, 250, 247, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--soft-stone);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--explorer-navy);
  display: flex;
  flex-direction: column;
}

.brand-sub {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--insight-teal);
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.main-nav a {
  color: var(--graphite);
  font-weight: 500;
  font-size: 0.95rem;
}

.main-nav a:hover, .main-nav a[aria-current="page"] {
  color: var(--discovery-blue);
}

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

/* Hero Section */
.hero {
  padding-top: calc(var(--spacing-xl) + 60px);
  padding-bottom: var(--spacing-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.hero-content p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--graphite);
}

.abstract-visual-container {
  background-color: var(--soft-stone);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  position: relative;
  overflow: hidden;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.abstract-map-node {
  width: 40px;
  height: 40px;
  background-color: var(--insight-teal);
  border-radius: 50%;
  position: absolute;
  z-index: 2;
}

.node-1 { top: 20%; left: 20%; }
.node-2 { top: 60%; left: 40%; background-color: var(--discovery-blue); }
.node-3 { top: 30%; left: 70%; background-color: var(--corner-gold); }
.node-4 { top: 75%; left: 80%; background-color: var(--accent-coral); }

.abstract-map-line {
  position: absolute;
  background-color: var(--graphite);
  height: 2px;
  opacity: 0.2;
  z-index: 1;
}
.line-1 { top: 25%; left: 25%; width: 45%; transform: rotate(10deg); transform-origin: left center; }
.line-2 { top: 25%; left: 25%; width: 50%; transform: rotate(65deg); transform-origin: left center; }
.line-3 { top: 65%; left: 45%; width: 40%; transform: rotate(-25deg); transform-origin: left center; }

/* Business Quest Selector */
.quest-selector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.quest-card {
  background-color: var(--research-white);
  border: 1px solid var(--soft-stone);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.quest-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(18, 35, 47, 0.05);
  border-color: var(--discovery-blue);
}

.quest-card h3 {
  font-size: 1.25rem;
  color: var(--discovery-blue);
}

/* Discovery Framework (Timeline) */
.framework-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  position: relative;
}

.framework-timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--insight-teal);
  opacity: 0.3;
}

.timeline-step {
  display: flex;
  gap: var(--spacing-md);
  position: relative;
}

.step-number {
  width: 42px;
  height: 42px;
  background-color: var(--insight-teal);
  color: var(--research-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
  z-index: 2;
}

.step-content {
  background-color: var(--research-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--soft-stone);
  flex-grow: 1;
}

/* Solutions Listing */
.solutions-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.solution-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--soft-stone);
  padding-bottom: var(--spacing-md);
}

.solution-row:last-child {
  border-bottom: none;
}

/* Knowledge Room Grid */
.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.article-card {
  background-color: var(--research-white);
  padding: var(--spacing-md);
  border: 1px solid var(--soft-stone);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
}

.article-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-sm);
}

.article-card .read-more {
  margin-top: auto;
  padding-top: var(--spacing-sm);
  font-size: 0.9rem;
  font-weight: 600;
}

/* Forms */
.contact-form {
  max-width: 600px;
  background-color: var(--research-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--soft-stone);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--explorer-navy);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--soft-stone);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--discovery-blue);
  box-shadow: 0 0 0 3px rgba(59, 120, 164, 0.2);
}

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

.form-message {
  display: none;
  padding: var(--spacing-sm);
  background-color: #e8f5e9;
  color: #2e7d32;
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-md);
  font-weight: 500;
}

/* Footer */
.site-footer {
  background-color: var(--explorer-navy);
  color: var(--research-white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-links h4 {
  color: var(--corner-gold);
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--soft-stone);
}

.footer-links a:hover {
  color: var(--research-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--soft-stone);
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-md);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--research-white);
  border-top: 2px solid var(--discovery-blue);
  padding: var(--spacing-md);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
  transform: translateY(100%);
  transition: transform 0.5s ease;
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-content p {
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

.cookie-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Page Header */
.page-header {
  padding: calc(var(--spacing-xl) + 60px) 0 var(--spacing-lg);
  background-color: var(--explorer-navy);
  color: var(--research-white);
}

.page-header h1 {
  color: var(--research-white);
  font-size: 2.5rem;
}

.page-header p {
  font-size: 1.1rem;
  color: var(--soft-stone);
  max-width: 800px;
}

/* Inner Page Content formatting */
.content-block {
  max-width: 800px;
  margin-bottom: var(--spacing-lg);
}

.content-block h2 {
  margin-top: var(--spacing-md);
}

.content-block p {
  margin-bottom: var(--spacing-sm);
}

.content-block ul {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
}

.content-block li {
  margin-bottom: var(--spacing-xs);
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* Responsive */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: calc(var(--spacing-lg) + 60px);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .mobile-menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--explorer-navy);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(-100%);
    transition: transform var(--transition-speed);
    z-index: 999;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .main-nav ul {
    flex-direction: column;
    text-align: center;
  }

  .main-nav a {
    color: var(--research-white);
    font-size: 1.25rem;
  }

  .site-header .btn {
    display: none;
  }
  
  .main-nav .btn {
    display: inline-block;
    margin-top: var(--spacing-md);
  }

  .solution-row {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 2.25rem;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
}