:root {
  --harbor-navy: #0B1F2A;
  --ocean-slate: #183642;
  --mist-white: #F4F7F5;
  --coastal-blue: #296886;
  --harbor-teal: #226D66;
  --sand-accent: #D6B98C;
  --signal-orange: #C76728;
  --soft-border: #D7E1DF;
  --text-grey: #354442;

  --font-display: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  --container-width: 1200px;
  --border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--harbor-navy);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: var(--spacing-md); }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: var(--spacing-md); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: var(--spacing-sm); }
h4 { font-size: 1.25rem; margin-bottom: var(--spacing-xs); }

p { margin-bottom: var(--spacing-sm); }
a { color: var(--coastal-blue); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--harbor-teal); }
ul, ol { margin-left: var(--spacing-md); margin-bottom: var(--spacing-sm); }

.tech-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--harbor-teal);
  font-weight: 700;
  display: block;
  margin-bottom: var(--spacing-xs);
}

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

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

.section-bg-dark {
  background-color: var(--harbor-navy);
  color: #E2EAE8;
}
.section-bg-dark h1, .section-bg-dark h2, .section-bg-dark h3, .section-bg-dark h4 {
  color: #E2EAE8;
}
.section-bg-dark .text-grey {
  color: #AFC0BE;
}

/* Harbor Insight Framework - Visual System */
.insight-framework-map {
  position: relative;
  padding-left: var(--spacing-md);
  border-left: 2px solid var(--coastal-blue);
}
.insight-framework-map::before {
  content: '';
  position: absolute;
  top: 0;
  left: -6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--coastal-blue);
}
.framework-node {
  position: relative;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: #ffffff;
  border: 1px solid var(--coastal-blue);
  border-radius: var(--border-radius);
  color: var(--text-grey); /* Ensure text is visible against white background */
  box-shadow: 0 4px 15px rgba(11, 31, 42, 0.08); /* Enhances visibility */
}
.framework-node h4 {
  color: var(--harbor-navy);
}
/* Override properties when inside a dark background section to prevent light text on white */
.section-bg-dark .framework-node {
  color: var(--text-grey);
}
.section-bg-dark .framework-node h4 {
  color: var(--harbor-navy);
}
.framework-node::before {
  content: '';
  position: absolute;
  top: var(--spacing-md);
  left: calc(var(--spacing-md) * -1 - 7px);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--signal-orange);
  border: 2px solid var(--mist-white);
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-md); }

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--signal-orange);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  border-radius: var(--border-radius);
  border: 2px solid var(--signal-orange);
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}
.btn:hover, .btn:focus {
  background-color: transparent;
  color: var(--signal-orange);
}
.btn-secondary {
  background-color: transparent;
  color: var(--harbor-navy);
  border-color: var(--harbor-navy);
}
.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--harbor-navy);
  color: #fff;
}
.btn-outline-light {
  background-color: transparent;
  color: var(--mist-white);
  border-color: var(--mist-white);
}
.btn-outline-light:hover, .btn-outline-light:focus {
  background-color: var(--mist-white);
  color: var(--harbor-navy);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(244, 247, 245, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--soft-border);
  padding: var(--spacing-sm) 0;
}
.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--harbor-navy);
  letter-spacing: -0.03em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}
.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  margin: 0;
}
.nav-links a {
  color: var(--harbor-navy);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover {
  color: var(--coastal-blue);
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--harbor-navy);
  position: relative;
}
.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--harbor-navy);
  left: 0;
  transition: all 0.3s ease;
}
.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

/* Hero */
.hero {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, var(--mist-white) 0%, #e4ece9 100%);
  position: relative;
  overflow: hidden;
}
.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 2;
}
.hero-visual {
  position: absolute;
  top: 10%;
  right: -10%;
  width: 50%;
  height: 80%;
  opacity: 0.1;
  pointer-events: none;
  background-image: radial-gradient(var(--harbor-navy) 2px, transparent 2px);
  background-size: 40px 40px;
}

/* Cards / Navigators */
.pathway-card {
  background: #fff;
  border: 1px solid var(--soft-border);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.pathway-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(11, 31, 42, 0.05);
  border-color: var(--coastal-blue);
}
.pathway-card h3 { margin-bottom: var(--spacing-xs); }
.pathway-card p { flex-grow: 1; }

.solution-panel {
  display: flex;
  border: 1px solid var(--soft-border);
  background: #fff;
  margin-bottom: var(--spacing-md);
}
.solution-content {
  padding: var(--spacing-md);
  flex: 1;
}
.solution-meta {
  background: var(--mist-white);
  padding: var(--spacing-md);
  width: 300px;
  border-left: 1px solid var(--soft-border);
}

/* Forms */
.contact-form {
  background: #fff;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  border: 1px solid var(--soft-border);
  max-width: 600px;
  margin: 0 auto;
}
.form-group {
  margin-bottom: var(--spacing-md);
}
.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--harbor-navy);
}
.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--soft-border);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
}
.form-control:focus {
  outline: none;
  border-color: var(--coastal-blue);
  box-shadow: 0 0 0 3px rgba(50, 122, 156, 0.1);
}
.form-message {
  display: none;
  padding: var(--spacing-sm);
  background-color: #e6f4ea;
  color: #153A17;
  border: 1px solid #c3e6cb;
  border-radius: var(--border-radius);
  margin-top: var(--spacing-md);
}

/* Footer */
.site-footer {
  background-color: var(--ocean-slate);
  color: #E2EAE8;
  padding: var(--spacing-lg) 0 var(--spacing-sm);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: var(--spacing-lg);
}
.footer-title {
  color: #E2EAE8;
  font-size: 1.25rem;
}
.footer-links {
  list-style: none;
  margin: 0;
}
.footer-links li { margin-bottom: var(--spacing-xs); }
.footer-links a { color: #AFC0BE; }
.footer-links a:hover { color: #E2EAE8; }
.footer-bottom {
  text-align: center;
  font-size: 0.875rem;
  color: #AFC0BE;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #fff;
  border-top: 1px solid var(--soft-border);
  padding: var(--spacing-md);
  box-shadow: 0 -5px 20px rgba(0,0,0,0.05);
  z-index: 9999;
  display: none;
}
.cookie-banner.active { display: block; }
.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-width);
  margin: 0 auto;
  gap: var(--spacing-md);
}
.cookie-text p { margin: 0; font-size: 0.875rem; }
.cookie-actions {
  display: flex;
  gap: 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);
}

/* Responsive */
@media (max-width: 1200px) {
  .hero-visual { display: none; }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .solution-panel { flex-direction: column; }
  .solution-meta { width: 100%; border-left: none; border-top: 1px solid var(--soft-border); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-md); }
  .cookie-content { flex-direction: column; text-align: center; }
  .cookie-actions { flex-wrap: wrap; justify-content: center; }
  
  .menu-toggle { display: block; z-index: 1001; }
  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--mist-white);
    flex-direction: column;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    z-index: 1000;
  }
  .main-nav.open { transform: translateX(0); }
  .nav-links {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
  }
  .nav-links a { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .section { padding: var(--spacing-md) 0; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .contact-form { padding: var(--spacing-sm); }
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}
:focus {
  outline: 2px solid var(--signal-orange);
  outline-offset: 2px;
}