:root {
  --main-bg: #EAF6FF;
  --surface: #FFFFFF;
  --primary-blue: #2F80C3;
  --dark-blue: #1E4F82;
  --light-blue: #A9D4F5;
  --accent-blue: #5AA9E6;
  --grid-lines: #D8E8F5;
  --text-main: #111111;
  --text-muted: #5D6770;
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --border-radius: 4px;
  --transition: all 0.3s ease;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--dark-blue);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.text-muted {
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

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

/* Layout & Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.grid-bg {
  background-image: 
    linear-gradient(var(--grid-lines) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-lines) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center top;
}

.section {
  padding: 5rem 0;
}

.section-light {
  background-color: var(--surface);
  border-top: 1px solid var(--dark-blue);
  border-bottom: 1px solid var(--dark-blue);
}

/* Header & Nav */
header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--dark-blue);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark-blue);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 32px;
  width: auto;
  display: block;
}

@media (min-width: 768px) {
  .logo-img {
    height: 36px;
  }
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

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

.nav-links a:hover, .nav-links a.active {
  color: var(--primary-blue);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark-blue);
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--surface);
  border-color: var(--dark-blue);
}

.btn-primary:hover {
  background-color: var(--dark-blue);
  color: var(--surface);
}

.btn-outline {
  background-color: transparent;
  color: var(--dark-blue);
  border-color: var(--dark-blue);
}

.btn-outline:hover {
  background-color: var(--light-blue);
}

/* Cards */
.card {
  background-color: var(--surface);
  border: 1px solid var(--dark-blue);
  padding: 2rem;
  box-shadow: 4px 4px 0px 0px rgba(30, 79, 130, 0.05);
  transition: var(--transition);
  height: 100%;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 4px 4px 0px 0px rgba(30, 79, 130, 0.15);
}

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }

/* Hero */
.hero {
  padding: 6rem 0;
  text-align: center;
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto 1.5rem auto;
}

.hero p {
  max-width: 600px;
  margin: 0 auto 2.5rem auto;
  font-size: 1.1rem;
}

/* Service Finder */
.service-finder {
  background-color: var(--surface);
  border: 1px solid var(--dark-blue);
  padding: 3rem;
  margin-top: -3rem;
  position: relative;
  z-index: 10;
}

.finder-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.finder-btn {
  background: var(--main-bg);
  border: 1px solid var(--primary-blue);
  padding: 10px 20px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.finder-btn.active, .finder-btn:hover {
  background: var(--dark-blue);
  color: var(--surface);
}

.finder-content {
  display: none;
  padding-top: 2rem;
  border-top: 1px solid var(--grid-lines);
}

.finder-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

/* Maturity Model */
.maturity-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.maturity-stage {
  display: flex;
  align-items: center;
  background-color: var(--surface);
  border: 1px solid var(--dark-blue);
  padding: 1rem 1.5rem;
}

.stage-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-right: 1.5rem;
  width: 30px;
}

/* Workflow Diagram (CSS based) */
.workflow-container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  margin-top: 3rem;
}

.workflow-container::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-blue);
  z-index: 1;
}

.workflow-step {
  position: relative;
  z-index: 2;
  background: var(--surface);
  border: 1px solid var(--dark-blue);
  padding: 1.5rem;
  width: 23%;
  text-align: center;
}

.workflow-icon {
  width: 60px;
  height: 60px;
  background-color: var(--light-blue);
  border: 1px solid var(--dark-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
}

/* Accordion */
.accordion {
  border: 1px solid var(--dark-blue);
  margin-bottom: -1px;
  background: var(--surface);
}

.accordion-header {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--dark-blue);
}

.accordion-content {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-content p {
  margin-bottom: 1.5rem;
}

.accordion.active .accordion-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
  max-height: 500px;
  border-top: 1px solid var(--grid-lines);
}

.accordion.active .accordion-header {
  background-color: var(--light-blue);
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--dark-blue);
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--dark-blue);
  background-color: var(--surface);
  font-family: var(--font-family);
  font-size: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 2px var(--light-blue);
}

/* Footer */
footer {
  background-color: var(--surface);
  border-top: 1px solid var(--dark-blue);
  padding: 4rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

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

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-bottom {
  border-top: 1px solid var(--grid-lines);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--surface);
  border-top: 2px solid var(--dark-blue);
  padding: 1.5rem;
  z-index: 9999;
  display: none;
  box-shadow: 0 -4px 10px rgba(0,0,0,0.05);
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: 2rem;
}

.cookie-actions {
  display: flex;
  gap: 1rem;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

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

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

/* Responsive */
@media (max-width: 1200px) {
  .workflow-step { width: 22%; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--surface);
    border-bottom: 1px solid var(--dark-blue);
    padding: 1rem 20px;
  }
  .nav-links.show {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
  
  .grid-2, .grid-3, .grid-4, .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .workflow-container {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }
  .workflow-container::before {
    display: none;
  }
  .workflow-step {
    width: 100%;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  .cookie-actions {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .section { padding: 3rem 0; }
  .service-finder { padding: 1.5rem; }
  .btn { width: 100%; margin-bottom: 0.5rem; }
}