/* High-End Residential Design System */
:root {
  --color-primary: #1a1a1a;
  --color-secondary: #f5f5f5;
  --color-accent: #d4af37;
  --color-text: #2c2c2c;
  --color-text-light: #666;
  --color-white: #ffffff;
  --color-gray-light: #f9f9f9;
  --color-gray: #e5e5e5;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --font-primary: 'Playfair Display', 'Georgia', serif;
  --font-secondary: 'Inter', 'Helvetica Neue', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

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

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

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }
}

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

.section-title {
  text-align: center;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-light);
  font-family: var(--font-secondary);
}

.section-heading,
h1.section-heading,
h2.section-heading {
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 400;
  font-family: var(--font-primary);
  letter-spacing: -0.02em;
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-family: var(--font-secondary);
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border: 1px solid var(--color-primary);
  background: transparent;
  color: var(--color-primary);
  font-family: var(--font-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: var(--transition);
}

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

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

.btn-primary:hover {
  background: transparent;
  color: var(--color-primary);
}

/* Footer */
footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

.footer-content {
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}