/* ============================================================
   Eitanity Systems — Brand Stylesheet
   Based on: Eitanity Brand Guidelines v1.0 (Approved)
   
   Colour Palette:
     Navy:       #1B2A4A  (primary — headings, structure)
     Steel Blue: #3D6B99  (secondary headings, accents)
     Oak Gold:   #D4A843  (CTA, highlights, premium)
     Light Gold: #E8C96A  (hover states)
     Light Blue: #6FA3D4  (informational)
     Light Grey: #F5F5F5  (backgrounds)
     White:      #FFFFFF  (canvas)
     Dark Text:  #1A1A1A  (body)
   
   Ratio: 60% White/Light Grey, 30% Navy, 10% Gold + Steel Blue
   Typography: Inter (web), Arial (fallback)
   ============================================================ */

:root {
  --navy: #1B2A4A;
  --steel-blue: #3D6B99;
  --oak-gold: #D4A843;
  --light-gold: #E8C96A;
  --light-blue: #6FA3D4;
  --light-grey: #F5F5F5;
  --white: #FFFFFF;
  --dark: #1A1A1A;
}

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', Arial, -apple-system, system-ui, sans-serif;
  font-weight: 400;
  color: var(--dark);
  background-color: var(--white);
  line-height: 1.65;
}

/* ---- Typography (Brand Guidelines §4.3) ---- */

h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--steel-blue);
  line-height: 1.4;
}

p {
  font-size: 1rem;
  color: var(--dark);
  max-width: 65ch;
}

a {
  color: var(--steel-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* ---- Layout ---- */

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Header ---- */

.site-header {
  background-color: var(--white);
  border-bottom: 1px solid var(--light-grey);
  padding: 1.25rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
}

.logo-lockup img {
  height: 48px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1;
}

.logo-text .company-name {
  font-family: 'Inter', Arial, sans-serif;
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: 0.25em;
  color: var(--navy);
  text-transform: uppercase;
}

.logo-text .company-descriptor {
  font-family: 'Inter', Arial, sans-serif;
  font-weight: 400;
  font-size: 0.625rem;
  letter-spacing: 0.5em;
  color: var(--steel-blue);
  text-transform: uppercase;
  margin-top: 2px;
  border-top: 2px solid var(--oak-gold);
  padding-top: 3px;
  display: inline-block;
  width: 33%;
  min-width: 3rem;
}

.header-contact {
  font-size: 0.875rem;
  color: var(--steel-blue);
}

/* ---- Hero ---- */

.hero {
  background-color: var(--navy);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--oak-gold) 0%, var(--steel-blue) 50%, var(--navy) 100%);
}

.hero h1 {
  color: var(--white);
  font-size: 2.5rem;
  max-width: 720px;
  margin-bottom: 1.5rem;
}

.hero p {
  color: var(--light-blue);
  font-size: 1.125rem;
  max-width: 640px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.btn-primary {
  display: inline-block;
  background-color: var(--oak-gold);
  color: var(--navy);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 2rem;
  border: none;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-primary:hover {
  background-color: var(--light-gold);
  color: var(--navy);
  transform: translateY(-1px);
}

/* ---- Services ---- */

.services {
  padding: 5rem 0;
  background-color: var(--white);
}

.services .section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.services .section-header h2 {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.services .section-header p {
  color: var(--steel-blue);
  margin: 0 auto;
  font-size: 1.0625rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background-color: var(--light-grey);
  padding: 2.25rem 2rem;
  border-top: 3px solid var(--navy);
  transition: border-color 0.2s ease;
}

.service-card:hover {
  border-top-color: var(--oak-gold);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
}

.service-card h3 {
  margin-bottom: 0.875rem;
  color: var(--navy);
  font-weight: 700;
  font-size: 1.0625rem;
}

.service-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--dark);
}

/* ---- Credentials ---- */

.credentials {
  padding: 5rem 0;
  background-color: var(--light-grey);
}

.credentials-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.credentials h2 {
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
}

.credentials p {
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.credential-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.credential-item {
  background-color: var(--white);
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--oak-gold);
}

.credential-item .label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-blue);
  margin-bottom: 0.25rem;
}

.credential-item .value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
}

/* ---- CTA ---- */

.cta-section {
  padding: 4rem 0;
  background-color: var(--navy);
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  font-size: 1.75rem;
  margin-bottom: 0.875rem;
}

.cta-section p {
  color: var(--light-blue);
  margin: 0 auto 2rem auto;
  font-size: 1.0625rem;
}

/* ---- Footer ---- */

.site-footer {
  background-color: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--light-blue);
}

.footer-inner a {
  color: var(--light-blue);
}

.footer-inner a:hover {
  color: var(--oak-gold);
}

/* ---- Privacy Page ---- */

.page-content {
  padding: 4rem 0;
}

.page-content h1 {
  margin-bottom: 2rem;
}

.page-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.page-content p {
  margin-bottom: 1rem;
}

.page-content ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.page-content li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
  .hero {
    padding: 3.5rem 0;
  }
  
  .hero h1 {
    font-size: 1.875rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .credentials-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .header-contact {
    display: none;
  }
  
  .logo-lockup img {
    height: 40px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .container {
    padding: 0 1rem;
  }
}