/* ==========================================================================
   TACI - TRANSFORMATIVE AGENTS OF CHANGE INITIATIVES
   COLOR GRADING EXTRACTED DIRECTLY FROM OFFICIAL LOGO:
   - Vibrant Kelly/Kenya Green (#00a651 / #009639)
   - Deep Navy / Midnight Blue (#0c2340 / #081d33)
   - Muted Slate Tagline Grey (#556877 / #475569)
   ========================================================================== */

:root {
  /* Logo Colors */
  --color-logo-green: #00a651;        /* Vibrant Logo Green */
  --color-logo-green-dark: #008742;   /* Deep Logo Green */
  --color-logo-green-light: #e8f7ee;  /* Soft Logo Green Tint */
  --color-logo-green-subtle: #c4ecd3; /* Border Green Tint */
  
  --color-logo-navy: #0c2340;         /* Deep Logo Navy Blue */
  --color-logo-navy-light: #18375e;   /* Mid Navy Blue */
  --color-logo-navy-dark: #061527;    /* Midnight Navy */
  
  --color-logo-slate: #556877;        /* Logo Tagline Slate Grey */
  --color-logo-slate-light: #8fa0ad;  /* Light Slate */

  /* Main System Variables */
  --color-primary: #0c2340;           /* Primary Headings & Dark Elements */
  --color-primary-light: #18375e;
  --color-primary-dark: #061527;
  
  --color-accent: #00a651;            /* Primary Interactive & Brand Highlights */
  --color-accent-hover: #008742;
  --color-accent-light: #e8f7ee;
  --color-accent-subtle: #c4ecd3;

  /* Surfaces & Backgrounds */
  --color-bg: #ffffff;
  --color-bg-alt: #f4f9f6;            /* Soft Green/Navy tinted background */
  --color-bg-subtle: #eaf3ed;
  --color-surface: #ffffff;
  --color-surface-glass: rgba(255, 255, 255, 0.94);
  
  /* Text */
  --color-text-main: #0c2340;
  --color-text-muted: #4a5d6e;
  --color-text-light: #7c90a0;
  --color-border: #d6e6dc;
  --color-border-light: #e8f2ec;
  
  /* Typography */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-accent: 'Outfit', sans-serif;

  /* Elevations & Shadows */
  --shadow-sm: 0 1px 3px 0 rgba(12, 35, 64, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(12, 35, 64, 0.08), 0 2px 4px -2px rgba(12, 35, 64, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(12, 35, 64, 0.08), 0 4px 6px -4px rgba(12, 35, 64, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(12, 35, 64, 0.1), 0 8px 10px -6px rgba(12, 35, 64, 0.04);
  --shadow-glow: 0 0 25px rgba(0, 166, 81, 0.25);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Layout */
  --container-max: 1200px;
  --header-height: 80px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   CSS RESET & BASE STYLES
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
}

h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  letter-spacing: -0.01em;
}

p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.text-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.text-gradient-green {
  background: linear-gradient(135deg, #008742 0%, #00a651 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   LAYOUT CONTAINERS & UTILITIES
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.container-narrow {
  max-width: 900px;
}

.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-lg {
  padding: 7rem 0;
}

.section-sm {
  padding: 3.5rem 0;
}

.section-dark {
  background-color: var(--color-logo-navy);
  color: #ffffff;
}

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
  color: #ffffff;
}

.section-dark p {
  color: #b0c2d3;
}

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

.section-header {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 3.5rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.grid-hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  line-height: 1.2;
}

.btn-lg {
  padding: 0.95rem 2.2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-primary {
  background-color: var(--color-logo-navy);
  color: #ffffff;
}

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

.btn-accent {
  background-color: var(--color-logo-green);
  color: #ffffff;
}

.btn-accent:hover {
  background-color: var(--color-logo-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 166, 81, 0.35);
}

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

.btn-outline:hover {
  border-color: var(--color-logo-green);
  color: var(--color-logo-green-dark);
  background-color: var(--color-logo-green-light);
}

.btn-outline-white {
  background-color: transparent;
  border: 2px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

.btn-outline-white:hover {
  border-color: #ffffff;
  background-color: rgba(255, 255, 255, 0.12);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .grid-hero {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}