@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600&family=Syne:wght@400;500;600;700;800&display=swap');

:root {
  --re-obsidian: #0c0e12;
  --re-charcoal: #15181f;
  --re-surface: #1e222b;
  --re-marble: #f6f5f2;
  --re-brass: #c5a880;
  --re-brass-light: #dfc8a7;
  --re-brass-dark: #967954;
  --re-muted: #8b92a0;
  --re-border: rgba(197, 168, 128, 0.2);
  --re-border-subtle: rgba(255, 255, 255, 0.08);

  --font-heading: 'Syne', sans-serif;
  --font-serif: 'Cinzel', serif;
  --font-sans: 'Plus Jakarta Sans', sans-serif;

  --trans-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--re-obsidian);
  color: var(--re-marble);
}

body {
  font-family: var(--font-sans);
  background-color: var(--re-obsidian);
  color: var(--re-marble);
  line-height: 1.6;
  overflow-x: hidden;
}

.font-heading { font-family: var(--font-heading); }
.font-serif-luxury { font-family: var(--font-serif); }

/* Header & Nav */
.re-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: var(--trans-smooth);
}

#main-nav {
  padding: 1.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: var(--trans-smooth);
}

#main-nav.scrolled {
  padding: 1rem 3rem;
  background: rgba(12, 14, 18, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--re-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.re-logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--re-marble);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.re-logo span[data-website-name] {
  color: var(--re-marble);
}

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

.re-nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: #a0a6b5;
  text-decoration: none;
  transition: var(--trans-smooth);
  position: relative;
  padding: 0.3rem 0;
}

.re-nav-links a:hover {
  color: var(--re-brass-light);
}

.re-nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--re-brass);
  transition: var(--trans-smooth);
}

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

.btn-brass {
  background: linear-gradient(135deg, var(--re-brass), var(--re-brass-dark));
  color: #0c0e12;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.85rem 1.8rem;
  text-decoration: none;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--trans-smooth);
}

.btn-brass:hover {
  background: linear-gradient(135deg, var(--re-brass-light), var(--re-brass));
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(197, 168, 128, 0.25);
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--re-marble);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.85rem 1.8rem;
  text-decoration: none;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--trans-smooth);
}

.btn-ghost:hover {
  border-color: var(--re-brass);
  color: var(--re-brass-light);
  background: rgba(197, 168, 128, 0.06);
}

/* Hamburger & Mobile Panel */
.re-hamburger {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 32px;
  height: 32px;
  position: relative;
  z-index: 60;
  flex-direction: column;
  justify-content: space-around;
}

.re-hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--re-marble);
  transition: var(--trans-smooth);
}

.re-hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.re-hamburger.open span:nth-child(2) { opacity: 0; }
.re-hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.re-mobile-panel {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: var(--re-charcoal);
  z-index: 55;
  transition: right 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2.5rem;
}

.re-mobile-panel.open { right: 0; }

.re-mobile-links {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.re-mobile-links a {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--re-marble);
  text-decoration: none;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible, .reveal-left.visible {
  opacity: 1;
  transform: translate(0, 0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* Filter Tabs */
.filter-btn {
  padding: 0.6rem 1.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  background: transparent;
  color: var(--re-muted);
  border: 1px solid var(--re-border-subtle);
  border-radius: 2px;
  cursor: pointer;
  transition: var(--trans-smooth);
}

.filter-btn:hover {
  color: var(--re-brass-light);
  border-color: var(--re-brass);
}

.filter-btn.active {
  background: var(--re-brass);
  color: #0c0e12;
  border-color: var(--re-brass);
}

/* Estate Card */
.estate-card {
  background: var(--re-charcoal);
  border: 1px solid var(--re-border-subtle);
  border-radius: 2px;
  overflow: hidden;
  transition: var(--trans-smooth);
}

.estate-card:hover {
  transform: translateY(-6px);
  border-color: var(--re-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

@media (max-width: 992px) {
  .re-nav-links, #main-nav .btn-brass { display: none; }
  .re-hamburger { display: flex; }
  #main-nav { padding: 1.25rem 1.5rem; }
}