@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ==========================================================================
   Variables
   ========================================================================== */
:root {
  /* Colors */
  --geria-color-primary: #7aa385;
  --geria-color-primary-dark: #5c8065;
  --geria-color-secondary: #E0F2FE;
  --geria-color-secondary-dark: #BAE6FD;
  --geria-color-text-main: #0F172A;
  --geria-color-text-muted: #475569;
  --geria-color-bg-white: #FFFFFF;
  --geria-color-bg-light: #F8FAFC;
  --geria-color-accent: #38BDF8;

  /* Gradients */
  --geria-gradient-primary: linear-gradient(135deg, #7aa385 0%, #38BDF8 100%);
  --geria-gradient-light: linear-gradient(135deg, #F8FAFC 0%, #E0F2FE 100%);

  /* Typography */
  --geria-font-main: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Responsive Typography using clamp() */
  --geria-text-h1: clamp(2rem, 4vw, 3.2rem);
  --geria-text-h2: clamp(2rem, 4vw, 3rem);
  --geria-text-h3: clamp(1.5rem, 3vw, 2rem);
  --geria-text-h4: clamp(1.25rem, 2vw, 1.5rem);
  --geria-text-body: clamp(1rem, 1.5vw, 1.125rem);
  --geria-text-small: clamp(0.875rem, 1.2vw, 1rem);

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

  /* Border Radius & Shadows */
  --geria-radius-sm: 8px;
  --geria-radius-md: 16px;
  --geria-radius-lg: 24px;
  --geria-radius-full: 9999px;
  
  --geria-shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --geria-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --geria-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);

  /* Transitions */
  --geria-transition-fast: 0.2s ease-in-out;
  --geria-transition-normal: 0.3s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--geria-font-main);
  color: var(--geria-color-text-muted);
  background-color: var(--geria-color-bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ==========================================================================
   Typography Base
   ========================================================================== */
h1, h2, h3, h4 {
  color: var(--geria-color-text-main);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: var(--geria-text-h1); }
h2 { font-size: var(--geria-text-h2); }
h3 { font-size: var(--geria-text-h3); }
h4 { font-size: var(--geria-text-h4); }

p {
  font-size: var(--geria-text-body);
  margin-bottom: var(--geria-spacing-sm);
}

/* ==========================================================================
   Global Utilities & Layouts
   ========================================================================== */
.geria-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--geria-spacing-md);
}

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

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

/* Grid System */
.geria-grid {
  display: grid;
  gap: var(--geria-spacing-md);
}

.geria-grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.geria-grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.geria-grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* Flexbox Helpers */
.geria-flex { display: flex; }
.geria-flex-col { flex-direction: column; }
.geria-items-center { align-items: center; }
.geria-justify-center { justify-content: center; }
.geria-justify-between { justify-content: space-between; }
.geria-gap-sm { gap: var(--geria-spacing-sm); }
.geria-gap-md { gap: var(--geria-spacing-md); }

/* Buttons */
.geria-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  border-radius: var(--geria-radius-full);
  font-weight: 600;
  font-size: var(--geria-text-body);
  transition: all var(--geria-transition-normal);
}

.geria-btn-primary {
  background-color: var(--geria-color-primary);
  color: var(--geria-color-bg-white);
  box-shadow: 0 4px 14px 0 rgba(13, 148, 136, 0.39);
}

.geria-btn-primary:hover {
  background-color: var(--geria-color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
}

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

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

/* Typography Utilities */
.geria-text-center { text-align: center; }
.geria-text-primary { color: var(--geria-color-primary); }
.geria-title-badge {
  display: inline-block;
  background-color: var(--geria-color-secondary);
  color: var(--geria-color-primary-dark);
  padding: 0.25rem 1rem;
  border-radius: var(--geria-radius-full);
  font-size: var(--geria-text-small);
  font-weight: 600;
  margin-bottom: var(--geria-spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.geria-section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--geria-spacing-lg);
}