/* PGI Premium Website - Main Stylesheet */

/* CSS Custom Properties */
:root {
  /* Colors - Latte Theme */
  --color-dark-primary: #F5F1E8;
  --color-dark-secondary: #EDE7DB;
  --color-dark-tertiary: #E0D9CF;

  /* Colors - Light Theme */
  --color-light-primary: #FFFFFF;
  --color-light-secondary: #ffffff;

  /* Accent Colors */
  --color-gold: #A0714B;
  --color-gold-hover: #8B6F47;

  /* Text Colors */
  --color-text-light: #3D2E26;
  --color-text-medium: #5C4A3D;
  --color-text-muted: #8B7968;
  --color-text-dark: #3D2E26;

  /* Latte Palette */
  --color-cream-base: #F5F1E8;
  --color-latte-light: #EDE7DB;
  --color-espresso: #3D2E26;
  --color-cognac: #A0714B;
  --color-tobacco: #8B6F47;
  --color-sage: #9BA17B;
  --color-coffee-light: #B8A896;

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

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Layout */
  --container-max-width: 1600px;
  --nav-height: 80px;
}

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

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-dark-secondary);
  color: var(--color-text-light);
  overflow-x: hidden;
}

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Section Styles */
.section {
  padding: var(--spacing-xl) 0;
}

.section-dark {
  background: var(--color-dark-primary);
}

.section-light {
  background: var(--color-light-primary);
  color: var(--color-text-dark);
}

.section-title {
  font-size: 2.5rem;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 2px;
}

.section-light .section-title {
  color: var(--color-gold);
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--color-text-medium);
  margin: 0 auto var(--spacing-lg);
  max-width: 800px;
}

.section-light .section-subtitle {
  color: #8B7968;
}

/* Grid Systems */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 3rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.split-60-40 {
  display: grid;
  grid-template-columns: 6fr 4fr;
  gap: 4rem;
  align-items: center;
}

/* Navigation */
nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-dark-tertiary);
  height: var(--nav-height);
  transition: all var(--transition-medium);
}

nav.scrolled {
  box-shadow: 0 4px 20px rgba(184, 168, 150, 0.3);
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.75px;
  text-transform: uppercase;
  transition: color var(--transition-medium);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition-medium);
}

.nav-links a:hover {
  color: var(--color-gold);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--color-gold);
  transition: all var(--transition-medium);
}

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-light);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(245, 241, 232, 0.85);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: var(--spacing-md);
}

.hero h1 {
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  color: #5C4A3D;
  font-weight: 300;
}

.hero.small {
  min-height: 50vh;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2s infinite;
}

.scroll-indicator svg {
  width: 30px;
  height: 30px;
  stroke: var(--color-gold);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Stats Bar */
.stats-bar {
  background: var(--color-dark-primary);
  padding: 3rem 0;
  border-top: 2px solid var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 4rem;
  color: var(--color-gold);
  font-weight: 300;
  font-family: var(--font-display);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.stat-label {
  color: var(--color-text-medium);
  font-size: 0.9375rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
}

/* Footer */
footer {
  background: var(--color-dark-primary);
  border-top: 2px solid var(--color-gold);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h4 {
  color: var(--color-gold);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.footer-section a {
  display: block;
  color: var(--color-text-medium);
  text-decoration: none;
  margin-bottom: 0.8rem;
  transition: color var(--transition-medium);
}

.footer-section a:hover {
  color: var(--color-gold);
}

.footer-section p {
  color: var(--color-text-medium);
  margin-bottom: 0.8rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-dark-tertiary);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Fade-in Animation */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Lazy Loading Images */
img[data-src] {
  opacity: 0;
  transition: opacity 0.3s ease;
}

img.loaded {
  opacity: 1;
}

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .split-60-40 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-dark-primary);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: 1.5rem;
    border-bottom: 2px solid var(--color-gold);
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

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

  .stat-number {
    font-size: 3rem;
  }
}

@media (max-width: 640px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }

  .container {
    padding: 0 1rem;
  }

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

  .hero {
    min-height: 70vh;
  }

  .hero p {
    font-size: 1.1rem;
  }
}