:root {
  /* Color System - Integral Ed Brand */
  --primary: #600b68;
  /* Plum */
  --primary-dark: #4a0852;
  --primary-light: #7a1580;
  --primary-light-bg: #f5f0f6;

  --accent: #600b68;
  --accent-dark: #4a0852;

  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f5f5f5;
  --bg-accent: #f5f0f6;

  --text-primary: #2d2d2d;
  --text-secondary: #4a4a4a;
  --text-tertiary: #6b6b6b;

  --border-light: #e8e8e8;
  --border-medium: #d0d0d0;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Typography - Helvetica Family */
  --font-primary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-display: 'Helvetica Neue', Helvetica, Arial, sans-serif;

  /* Borders & Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 500;
}

h4 {
  font-size: 1.125rem;
  font-weight: 500;
}

p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  max-width: 70ch;
}

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

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

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

.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

.section-alt {
  background: var(--bg-secondary);
}

/* Card Component */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-medium);
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary-light-bg);
  color: var(--primary-dark);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
  padding: var(--spacing-sm) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--primary);
  text-decoration: none;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle span {
  width: 100%;
  height: 3px;
  background-color: var(--primary);
  border-radius: 10px;
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 400;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
}

/* Hero Section */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 80px;
  background: var(--bg-primary);
}

.hero-content {
  text-align: center;
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Service Content */
.service-content {
  max-width: 900px;
  margin: 0 auto var(--spacing-xl);
}

/* Process Cards */
.process-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.process-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  position: relative;
  transition: all var(--transition-base);
  text-align: center;
}

.process-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  font-weight: 600;
  font-size: 1.125rem;
  margin: 0 auto var(--spacing-md);
}

.card-icon {
  width: 10rem;
  height: 10rem;
  margin: 0 auto var(--spacing-lg);
  display: block;
}

.outcome-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto var(--spacing-sm);
  display: block;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.card-description {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0;
}

.process-outcome {
  background: var(--primary-light-bg);
  border: 2px solid var(--primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  text-align: center;
}

.process-outcome h4 {
  color: var(--primary-dark);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.process-outcome p {
  color: var(--text-primary);
  margin: 0 auto;
  font-weight: 400;
}

/* Service List */
.service-list {
  list-style: none;
  margin: var(--spacing-lg) 0;
}

.service-list li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--text-secondary);
  line-height: 1.7;
}

.service-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
  font-size: 1.25rem;
}

/* About Section */
.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content p {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  max-width: 100%;
}

.external-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--primary);
  font-weight: 500;
  margin-top: var(--spacing-md);
}

.external-link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.external-link:hover::after {
  transform: translateX(3px);
}

/* Contact Section */
.contact-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.contact-content p {
  font-size: 1.125rem;
  margin: 0 auto var(--spacing-lg);
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-3xl);
  border-top: 1px solid var(--border-light);
}

.footer-content {
  text-align: left;
  max-width: 100%;
}

.footer-logo {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
}

.footer-text {
  color: var(--text-tertiary);
  font-size: 0.9375rem;
  max-width: 100%;
  padding: 0 var(--spacing-md);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-xl);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right var(--transition-base);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links .nav-link {
    font-size: 1.25rem;
    font-weight: 500;
  }

  .hero {
    min-height: 70vh;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .process-cards {
    grid-template-columns: 1fr;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--text-primary);
}

.text-secondary {
  color: var(--text-secondary);
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}