/* ============================================= */
/* CSS Variables - Nature-Inspired Minimalist Elegance  */
/* ============================================= */
:root {
  /* Color Palette */
  --primary-color: #2C3E50;        /* Deep slate blue */
  --secondary-color: #3498DB;      /* Serene sky blue */
  --accent-color: #2980B9;         /* Ocean blue */
  --light-bg: #FDFEFE;             /* Pure white */
  --dark-bg: #17202A;             /* Midnight blue */
  --text-color: #2C3E50;          /* Primary color for text */
  --link-color: #2980B9;           /* Accent color */
  --link-hover: #1A5276;           /* Darker accent */
  
  /* Typography */
  --font-primary: 'Open Sans', sans-serif;
  --font-secondary: 'Roboto Slab', serif;
  --text-base-size: 1rem;
  --text-scale-ratio: 1.25;
  
  /* Spacing */
  --space-unit: 1rem;
  --space-xs: calc(0.25 * var(--space-unit));
  --space-sm: calc(0.5 * var(--space-unit));
  --space-md: calc(1 * var(--space-unit));
  --space-lg: calc(2 * var(--space-unit));
  --space-xl: calc(3.25 * var(--space-unit));
  
  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-width: 1px;
  --border-style: solid;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
  
  /* Transitions */
  --transition-base: all 0.3s ease-in-out;
  --transition-fast: all 0.15s ease-in-out;
  
  /* Spiritual Growth Theme Elements */
  --leaf-pattern: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path fill="%232C3E50" opacity="0.05" d="M50 0 Q70 30 50 60 Q30 30 50 0" /></svg>');
}

/* ============================================= */
/* Base Styles - Spiritual Minimalism            */
/* ============================================= */
body {
  font-family: var(--font-primary);
  color: var(--text-color);
  background-color: #FFFFFF;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-image: var(--leaf-pattern);
  background-size: 200px;
  background-blend-mode: overlay;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 400;
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: var(--space-sm);
  color: var(--primary-color);
}

h1 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 2.5); }
h2 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 2); }
h3 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 1.75); }
h4 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 1.5); }
h5 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 1.25); }
h6 { font-size: var(--text-base-size); }

p {
  margin-bottom: var(--space-md);
  max-width: 65ch;
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: var(--transition-base);
  position: relative;
}

a:hover {
  color: var(--link-hover);
}

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--link-hover);
  transition: var(--transition-base);
}

a:hover::after {
  width: 100%;
}

/* Buttons - Zen Inspired */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-primary);
  font-weight: 600;
  text-align: center;
  transition: var(--transition-base);
  cursor: pointer;
  border: var(--border-width) var(--border-style) transparent;
}

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

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

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

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

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

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

/* Cards - Meditation Inspired */
.card {
  background-color: var(--light-bg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: var(--transition-base);
  margin-bottom: var(--space-md);
}

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

.card-header {
  padding: var(--space-md);
  background-color: var(--primary-color);
  color: var(--light-bg);
  font-family: var(--font-secondary);
}

.card-body {
  padding: var(--space-md);
}

/* Slider - Business Leadership Style */
.slider-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
}

.slider-track {
  display: flex;
  transition: transform 0.5s ease;
}

.slide {
  min-width: 100%;
  position: relative;
}

.slide-content {
  padding: var(--space-xl) var(--space-lg);
  background-color: rgba(255, 255, 255, 0.9);
  text-align: center;
}

.slider-nav {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-sm);
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition-fast);
}

.slider-dot.active {
  background-color: var(--light-bg);
  transform: scale(1.2);
}

/* Accordion - Spiritual Growth Theme */
.accordion {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
}

.accordion-item {
  border-bottom: 1px solid rgba(44, 62, 80, 0.1);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  padding: var(--space-md);
  background-color: var(--light-bg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-fast);
}

.accordion-header:hover {
  background-color: rgba(52, 152, 219, 0.05);
}

.accordion-header::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: var(--transition-fast);
}

.accordion-header.active::after {
  content: '-';
}

.accordion-content {
  padding: 0 var(--space-md);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.accordion-content-inner {
  padding: var(--space-md) 0;
}

/* Tabs - Leadership Interface */
.tabs {
  display: flex;
  border-bottom: 1px solid rgba(44, 62, 80, 0.1);
  margin-bottom: var(--space-md);
}

.tab {
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  position: relative;
  margin-right: var(--space-sm);
  font-weight: 600;
  color: var(--text-color);
  opacity: 0.7;
  transition: var(--transition-fast);
}

.tab:last-child {
  margin-right: 0;
}

.tab:hover {
  opacity: 1;
}

.tab.active {
  opacity: 1;
  color: var(--primary-color);
}

.tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
}

.tab-content {
  display: none;
  padding: var(--space-md) 0;
}

.tab-content.active {
  display: block;
}

/* Header - Minimalist Elegance */
.header {
  background-color: var(--light-bg);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--space-sm) 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.header-logo img {
  height: 50px;
  width: auto;
  transition: var(--transition-base);
}

.header-logo img:hover {
  opacity: 0.8;
}

.header-nav {
  display: flex;
  gap: var(--space-lg);
}

.header-nav a {
  color: var(--primary-color);
  font-weight: 600;
}

.header-nav a::after {
  background-color: var(--secondary-color);
}

.header-cta .btn {
  margin-left: var(--space-md);
}

/* Footer - Nature Inspired */
.footer {
  background-color: var(--primary-color);
  color: var(--light-bg);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer-logo img {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-md);
}

.footer-nav h3 {
  color: var(--light-bg);
  margin-bottom: var(--space-md);
}

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

.footer-nav li {
  margin-bottom: var(--space-sm);
}

.footer-nav a {
  color: rgba(253, 254, 254, 0.7);
}

.footer-nav a:hover {
  color: var(--light-bg);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.footer-social img {
  width: 24px;
  height: 24px;
  opacity: 0.7;
  transition: var(--transition-fast);
}

.footer-social img:hover {
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(253, 254, 254, 0.1);
  color: rgba(253, 254, 254, 0.7);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --text-base-size: 0.9375rem;
    --space-unit: 0.875rem;
  }
  
  .header-container {
    flex-direction: column;
    padding: var(--space-sm);
  }
  
  .header-nav {
    margin-top: var(--space-md);
    gap: var(--space-md);
  }
  
  .header-cta {
    margin-top: var(--space-md);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .slider-nav {
    bottom: var(--space-sm);
  }
  
  .tabs {
    flex-wrap: wrap;
  }
  
  .tab {
    margin-bottom: var(--space-sm);
  }
}

/* Animation - Subtle Movements */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide {
  animation: slideUp 0.6s ease-out;
}