/* ===========================
   UMEID WEBSITE - MAIN STYLESHEET
   Design System & Global Styles
   =========================== */

/* Color Variables */
:root {
  --primary: #6B46C1;
  --primary-dark: #553399;
  --primary-light: #9370DB;
  --secondary: #2D3748;
  --accent: #E2E8F0;
  --text-primary: #000000;
  --text-secondary: #4A5568;
  --text-muted: #718096;
  --bg-white: #FFFFFF;
  --bg-light-gray: #F7FAFC;
  --border-color: #E2E8F0;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;

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

  /* Breakpoints */
  --mobile: 320px;
  --tablet: 768px;
  --desktop: 1024px;
  --large: 1920px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-white);
  letter-spacing: 0.3px;
}

/* Typography */
h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

h2 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.8;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Main Layout */
body {
  display: flex;
  min-height: 100vh;
}

main {
  flex: 1;
  margin-left: 280px;
  min-height: 100vh;
}

/* Content Wrapper */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

/* Sections */
section {
  padding: var(--spacing-lg) 0;
}

section.alternate {
  background-color: var(--bg-light-gray);
}

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

/* Buttons */
button, .btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-family: var(--font-family);
}

button:hover, .btn:hover {
  background-color: var(--primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(107, 70, 193, 0.3);
}

.btn-secondary {
  background-color: var(--secondary);
  color: white;
}

.btn-secondary:hover {
  background-color: #1a202c;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(45, 55, 72, 0.3);
}

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

.btn-outline:hover {
  background-color: var(--primary);
  color: white;
  transform: translateY(-2px);
}

/* Forms */
input, textarea, select {
  width: 100%;
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: var(--font-family);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(107, 70, 193, 0.1);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-primary);
}

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

/* Radio & Checkbox */
input[type="radio"],
input[type="checkbox"] {
  width: auto;
  margin-right: var(--spacing-xs);
  margin-bottom: 0;
  cursor: pointer;
}

.radio-group, .checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.radio-item, .checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.radio-item label, .checkbox-item label {
  margin-bottom: 0;
  flex: 1;
  font-weight: 400;
}

/* Cards */
.card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  border-color: var(--primary);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.card-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

@media (max-width: 768px) {
  .card-grid-2col {
    grid-template-columns: 1fr;
  }
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--bg-light-gray) 0%, var(--bg-white) 100%);
  padding: var(--spacing-2xl) var(--spacing-xl);
  text-align: center;
}

.hero.hero-compact {
  padding: var(--spacing-md) var(--spacing-xl);
}

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

.hero .subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cta-group {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
}

/* Footer */
footer {
  background-color: var(--secondary);
  color: white;
  padding: var(--spacing-2xl) var(--spacing-xl);
  margin-top: var(--spacing-2xl);
  font-size: 0.9rem;
}

footer a {
  color: var(--accent);
}

footer a:hover {
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section {
  display: flex;
  flex-direction: column;
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-section p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--text-muted);
}

/* Testimonials */
.testimonial {
  border-left: 4px solid var(--primary);
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

.testimonial-author {
  font-style: normal;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--spacing-md);
}

/* Disclaimer Box */
.disclaimer {
  background-color: var(--accent);
  border-left: 4px solid var(--primary);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

.text-right {
  text-align: right;
}

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

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

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

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

.hidden {
  display: none;
}

.visible {
  display: block;
}

/* Responsive Design */
@media (max-width: 1024px) {
  main {
    margin-left: 0;
  }

  .container {
    padding: var(--spacing-lg);
  }

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

  .hero {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }

  h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
  }

  h2 {
    font-size: 1.75rem;
  }

  .cta-group {
    flex-direction: column;
    align-items: center;
  }

  .cta-group button, .cta-group a {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
  }

  /* Hero mobile top padding — accounts for fixed logo + hamburger bar */
  .hero {
    padding-top: 7rem;
  }

  .hero.hero-compact {
    padding-top: 6rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  p {
    font-size: 0.95rem;
    line-height: 1.7;
  }

  .container {
    padding: var(--spacing-md);
  }

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

  .card-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}