/* ==========================================
   CSS Variables (Design System)
   ========================================== */
:root {
  /* Colors - Based on Green Margin Capital brand */
  --primary-green: #2d5f3f;
  --primary-green-dark: #1f4129;
  --primary-green-light: #3d7f5f;
  --accent-orange: #ff8c00;
  --accent-orange-dark: #e67e00;
  
  /* Neutral Colors */
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --medium-gray: #6c757d;
  --dark-gray: #343a40;
  --black: #000000;
  
  /* Text Colors */
  --text-primary: #2c3e50;
  --text-secondary: #546e7a;
  --text-light: #6b7280;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Container */
  --container-max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--white);
}

img {
  max-width: 100%;  
  height: auto;
  display: block;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  transition: all var(--transition-fast);
}

.spacer {
  height: 0.3rem;
  background-color: orange;
}

.spacer-full-width {
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  width: 100vw;
  background-color: orange;
  height: 0.3rem;
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--spacing-sm);
}

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

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

.section-dark {
  background-color: var(--primary-green-dark);
  color: var(--text-light);
}

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

/* ==========================================
   Navigation
   ========================================== */
.top-bar {
  background-color: var(--primary-green);
  color: var(--white);
  padding: var(--spacing-xs) 0;
  font-size: 0.875rem;
}

.top-bar .container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--spacing-md);
}

.top-bar a {
  color: var(--white);
  font-weight: 500;
  transition: opacity var(--transition-fast);
}

.top-bar a:hover {
  opacity: 0.8;
}

.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo img {
  height: 50px;
  width: auto;
}

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

.nav-menu a {
  color: var(--text-primary);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary-green);
  background-color: rgba(45, 95, 63, 0.1);
}

.nav-search {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--medium-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.nav-search:hover {
  border-color: var(--primary-green);
  background-color: var(--primary-green);
  color: var(--white);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--accent-orange);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--accent-orange-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-light {
  background-color: var(--white);
  color: var(--primary-green);
}

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

/* ==========================================
   Cards
   ========================================== */
.card {
  background-color: var(--white);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.card-title {
  color: var(--primary-green);
  margin-bottom: var(--spacing-sm);
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}


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

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

.text-accent {
  color: var(--accent-orange);
}

.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); }

.d-flex {
  display: flex;
}

.justify-center {
  justify-content: center;
}

.align-center {
  align-items: center;
}

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }