/* 
  PGF Design System 
  Refined for Professionalism and Elegance
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Brand Palette */
  --pgf-primary: #155a2a;
  --pgf-primary-light: #2d6a4f;
  --pgf-accent: #d4af37; /* Gold for dignity and value */
  --pgf-accent-soft: #fcf8e8;
  --pgf-dark: #0b1a13;
  --pgf-ink: #1e2923;
  --pgf-muted: #5a6b63;
  --pgf-border: #e2e8e5;
  --pgf-soft: #f8faf9;
  --pgf-white: #ffffff;
  
  /* Layout & Spacing */
  --section-padding: 4.5rem;
  --container-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  /* Animations */
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --transition-smooth: all 0.6s var(--ease-out-expo);
}

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  color: var(--pgf-ink);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  background: var(--pgf-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .font-heading {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: var(--pgf-dark);
  line-height: 1.2;
}

p {
  margin-bottom: 1.5rem;
}

.text-accent { color: var(--pgf-accent); }
.bg-soft { background-color: var(--pgf-soft); }

/* Typography Scale */
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }
.h1-sub { font-size: clamp(2rem, 5vw, 3.5rem); }

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  background: var(--pgf-white);
  border-bottom: 1px solid var(--pgf-border);
  transition: var(--transition-smooth);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  padding: 0.75rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.navbar-brand img {
  height: 50px;
  width: auto;
  transition: var(--transition-smooth);
}

.site-header.is-scrolled .navbar-brand img {
  height: 40px;
}

.nav-link {
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--pgf-ink) !important;
  margin: 0 0.5rem;
  position: relative;
  transition: var(--transition-smooth);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--pgf-primary);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 20px;
}

/* Buttons */
.btn {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  padding: 0.8rem 2rem;
  border-radius: 100px;
  transition: var(--transition-smooth);
  text-transform: capitalize;
}

.btn-brand {
  background: var(--pgf-primary);
  color: var(--pgf-white);
  border: 1px solid var(--pgf-primary);
  box-shadow: 0 10px 20px rgba(21, 90, 42, 0.2);
}

.btn-brand:hover {
  background: var(--pgf-primary-light);
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(21, 90, 42, 0.3);
  color: var(--pgf-white);
}

.btn-outline-brand {
  border: 2px solid var(--pgf-primary);
  color: var(--pgf-primary);
}

.btn-outline-brand:hover {
  background: var(--pgf-primary);
  color: var(--pgf-white);
  transform: translateY(-3px);
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  color: var(--pgf-white);
  background: var(--pgf-dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(11, 26, 19, 0.95) 20%, rgba(11, 26, 19, 0.4) 60%, rgba(11, 26, 19, 0) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
}

.section-kicker {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  color: var(--pgf-accent);
  margin-bottom: 1.5rem;
  display: block;
}

.hero-title {
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero-text {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* Feature Cards & Grid */
.section-padding {
  padding: var(--section-padding) 0;
}

.card-elegant {
  background: var(--pgf-white);
  border: 1px solid var(--pgf-border);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.card-elegant:hover {
  border-color: var(--pgf-primary);
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.05);
}

.card-elegant i {
  font-size: 2.5rem;
  color: var(--pgf-primary);
  margin-bottom: 1.5rem;
  display: block;
}

.card-elegant .card-number {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-family: 'Outfit', sans-serif;
  font-size: 4rem;
  font-weight: 800;
  color: rgba(21, 90, 42, 0.05);
  line-height: 1;
}

/* Movement Section (Split Layout) */
.movement-section {
  background: var(--pgf-dark);
  color: var(--pgf-white);
  border-radius: var(--radius-lg);
  margin: 2rem;
  overflow: hidden;
}

.movement-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 400px;
}

.movement-content {
  padding: 4rem;
}

/* Stats Section */
.stat-item {
  text-align: center;
  padding: 2rem;
}

.stat-number {
  font-size: 4rem;
  font-weight: 800;
  color: var(--pgf-primary);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pgf-muted);
}

/* Footer */
.site-footer {
  background: var(--pgf-dark);
  color: rgba(255, 255, 255, 0.6);
  padding-top: 5rem;
  padding-bottom: 2rem;
}

.footer-title {
  color: var(--pgf-white);
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--pgf-accent);
  padding-left: 5px;
}

.footer-bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Reveal Animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Adjustments */
@media (max-width: 991px) {
  :root { --section-padding: 4rem; }
  .movement-content { padding: 2.5rem; }
  .site-header { background: var(--pgf-white); }
}