:root {
  /* Color Palette - Earthy & Premium */
  --color-primary: #26170c;
  --color-primary-container: #3d2b1f;
  --color-on-primary: #ffffff;
  --color-background: #fcf9f8;
  --color-surface: #fcf9f8;
  --color-surface-container: #f0eded;
  --color-surface-container-high: #eae7e7;
  --color-on-background: #1c1b1b;
  --color-on-surface: #1c1b1b;
  --color-on-surface-variant: #4f453f;
  --color-outline: #81756e;
  --color-outline-variant: #d2c4bc;
  --color-brass: #c5a059;
  --color-brass-dim: #e9c176;
  
  /* Typography Scale */
  --font-serif: 'Noto Serif', serif;
  --font-sans: 'Manrope', sans-serif;
  
  /* Spacing & Layout */
  --section-gap: 128px;
  --margin-edge: 64px;
  --container-max: 1440px;
  --gutter: 32px;
  --unit: 8px;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-background);
  color: var(--color-on-background);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

/* Layout Utilities */
.container-max {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--margin-edge);
}

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

/* Premium Navigation */
header.main-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(252, 250, 248, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(197, 160, 89, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

header.main-header.scrolled {
  padding: 1rem 0;
  background-color: rgba(252, 250, 248, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px var(--margin-edge);
  max-width: 1920px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-serif);
  font-size: 24px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary-container);
  font-weight: 300;
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-link {
  font-family: var(--font-serif);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-variant);
  opacity: 0.8;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  opacity: 1;
  color: var(--color-brass);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-brass);
  transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary-container);
  color: var(--color-on-primary);
}

.btn-primary:hover {
  background-color: var(--color-brass);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background-color: var(--color-brass-dim);
  color: var(--color-primary-container);
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  cursor: pointer;
}

@media (max-width: 768px) {
  :root {
    --margin-edge: 24px;
    --section-gap: 80px;
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
}

/* Footer Styles */
footer {
  background-color: #f5f0e8;
  border-top: 1px solid rgba(197, 160, 89, 0.2);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
}

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(197, 160, 89, 0.1);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(61, 43, 31, 0.5);
}