/* Custom CSS Variables for Theme */
:root {
  /* Updated Color Palette */
  --color-primary: #3a9a6e;
  --color-primary-dark: #2e7d59;
  --color-secondary: #9ACC77;
  --color-accent: #B2DF8A;
  
  --color-background: #FCFBF9; /* Warm White */
  --color-surface: #FFFFFF;
  --color-text: #2B2D42; /* Deep Charcoal */
  --color-text-light: #525367;
  --color-border: #EAEAEF;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 4px 6px rgba(43, 45, 66, 0.05);
  --shadow-md: 0 10px 15px rgba(43, 45, 66, 0.08);
  --shadow-lg: 0 20px 25px rgba(43, 45, 66, 0.12);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--color-text);
}

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

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

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

ul {
  list-style: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

.section-bg {
  background-color: #F8F5F2; /* Slightly darker warm background */
}

.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2rem;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  font-size: 1rem;
}

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

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

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

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: rgba(224, 122, 95, 0.05); /* very light primary */
}

/* Header & Nav */
.header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  transition: all var(--transition-normal);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-light);
  font-weight: 500;
  position: relative;
}

.nav-links .btn-primary {
  color: var(--color-surface) !important;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text);
  cursor: pointer;
  z-index: 1001;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
  transition: background-color 0.2s;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.2s, top 0.2s, bottom 0.2s;
}

.hamburger::before { top: -8px; left: 0; }
.hamburger::after { bottom: -8px; left: 0; }

.mobile-menu-btn.active .hamburger { background-color: transparent; }
.mobile-menu-btn.active .hamburger::before { transform: rotate(45deg); top: 0; }
.mobile-menu-btn.active .hamburger::after { transform: rotate(-45deg); bottom: 0; }

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

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.footer-col p {
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--color-text-light);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: 0;
    overflow: hidden;
    background-color: var(--color-surface);
    flex-direction: column;
    gap: 0;
    box-shadow: var(--shadow-md);
    transition: height 0.3s ease-in-out;
  }
  
  .nav-links.active {
    height: calc(100vh - 80px);
    overflow-y: auto;
  }
  
  .nav-links li {
    width: 100%;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
  }
  
  .nav-links.active li {
    opacity: 1;
    transform: translateY(0);
  }
  
  .nav-links a {
    display: block;
    padding: 1.5rem;
    font-size: 1.2rem;
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-links .btn {
    margin: 2rem auto;
    width: calc(100% - 4rem);
  }

  /* stagger fly in for mobile menu links */
  .nav-links.active li:nth-child(1) { transition-delay: 0.1s; }
  .nav-links.active li:nth-child(2) { transition-delay: 0.15s; }
  .nav-links.active li:nth-child(3) { transition-delay: 0.2s; }
  .nav-links.active li:nth-child(4) { transition-delay: 0.25s; }
  .nav-links.active li:nth-child(5) { transition-delay: 0.3s; }
  .nav-links.active li:nth-child(6) { transition-delay: 0.35s; }
  .nav-links.active li:nth-child(7) { transition-delay: 0.4s; }
  
  .mobile-menu-btn {
    display: block;
  }
    
  .section { padding: 3rem 0; }
}

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

.fade-in {
  opacity: 0;
  transition: opacity 1s ease;
}

.fade-in.active {
  opacity: 1;
}

/* Shared Components */
.card {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
  height: 100%;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(224, 122, 95, 0.3);
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.hero {
  padding: 8rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(57, 136, 96, 0.08) 0%, rgba(250, 250, 250, 0) 70%);
  z-index: -1;
}

/* Page Headers */
.page-header {
  padding: 8rem 0 4rem;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.page-header h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.25rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}