/* ============================================
   4610 Cumberland — Quiet Luxury
   Architectural editorial aesthetic
   ============================================ */

:root {
  /* Stone & wood palette */
  --color-bg: #f5f2ed;
  --color-bg-warm: #ece7df;
  --color-surface: #ffffff;
  --color-text: #2c2a26;
  --color-text-soft: #6b675e;
  --color-text-muted: #9e998e;
  --color-accent: #8b7d6b;
  --color-accent-dark: #5c5245;
  --color-stone: #a09888;
  --color-charcoal: #3a3632;
  --color-dark: #1e1c19;
  --color-border: rgba(44, 42, 38, 0.08);

  /* Typography */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Outfit', 'Helvetica Neue', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  /* Transitions */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s var(--ease-out);
  --transition-slow: 0.6s var(--ease-smooth);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 2rem;
  transition: background var(--transition-slow), padding var(--transition-base);
}

.nav.scrolled {
  background: rgba(245, 242, 237, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1rem 2rem;
  box-shadow: 0 1px 0 var(--color-border);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-surface);
  transition: color var(--transition-base);
}

.nav.scrolled .nav-logo {
  color: var(--color-text);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-base);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width var(--transition-base);
}

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

.nav.scrolled .nav-links a {
  color: var(--color-text-soft);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-surface);
  transition: all var(--transition-base);
}

.nav.scrolled .nav-toggle span {
  background: var(--color-text);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: var(--color-dark);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--color-bg);
  letter-spacing: 0.05em;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}

.hero-image-wrap {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transform: scale(1.05);
  animation: heroZoom 20s var(--ease-smooth) forwards;
}

@keyframes heroZoom {
  to { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(30, 28, 25, 0.75) 0%,
    rgba(30, 28, 25, 0.25) 40%,
    rgba(30, 28, 25, 0.1) 70%,
    rgba(30, 28, 25, 0.15) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 2rem var(--space-2xl);
  animation: heroFade 1.2s var(--ease-smooth) 0.3s both;
}

@keyframes heroFade {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-sm);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 300;
  color: var(--color-surface);
  letter-spacing: -0.01em;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.hero-cta {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 1rem 2.5rem;
  transition: all var(--transition-base);
}

.hero-cta:hover {
  background: var(--color-surface);
  color: var(--color-dark);
  border-color: var(--color-surface);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  animation: heroFade 1.2s var(--ease-smooth) 1s both;
}

.hero-scroll-hint span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  writing-mode: vertical-rl;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.8);
  animation: scrollLine 2s var(--ease-smooth) infinite;
}

@keyframes scrollLine {
  0% { top: -100%; }
  50% { top: 100%; }
  100% { top: 100%; }
}

/* ---- Intro ---- */
.intro {
  padding: var(--space-2xl) var(--space-md);
}

.intro-inner {
  max-width: 740px;
  margin: 0 auto;
  text-align: center;
}

.intro-text {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.8;
  color: var(--color-text-soft);
}

/* ---- Section Headers ---- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-xs);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--color-charcoal);
}

/* ---- Gallery ---- */
.gallery {
  padding: var(--space-xl) var(--space-md) var(--space-2xl);
}

.gallery-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: 2px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s var(--ease-smooth);
  will-change: transform;
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(30, 28, 25, 0.6) 0%,
    rgba(30, 28, 25, 0) 40%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-caption {
  font-size: 0.8rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.03em;
}

/* Reveal animation */
.gallery-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}

.gallery-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Property ---- */
.property {
  padding: var(--space-xl) var(--space-md) var(--space-2xl);
  background: var(--color-bg-warm);
}

.property-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.property-card {
  background: var(--color-surface);
  padding: 2.5rem 2rem;
  border-radius: 2px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.property-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(44, 42, 38, 0.08);
}

.property-card[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}

.property-card[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

.property-card[data-reveal].revealed:hover {
  transform: translateY(-4px);
}

.property-card-icon {
  width: 32px;
  height: 32px;
  color: var(--color-stone);
  margin-bottom: 1.5rem;
}

.property-card-icon svg {
  width: 100%;
  height: 100%;
}

.property-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  color: var(--color-charcoal);
}

.property-card p {
  font-size: 0.9rem;
  color: var(--color-text-soft);
  line-height: 1.7;
}

/* ---- Feature Break ---- */
.feature-break {
  position: relative;
  height: 60vh;
  min-height: 400px;
  overflow: hidden;
}

.feature-break img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* ---- Contact ---- */
.contact {
  padding: var(--space-2xl) var(--space-md);
}

.contact-inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-text-soft);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.contact-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.contact-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  transition: color var(--transition-base);
}

.contact-link:hover {
  color: var(--color-accent-dark);
}

.contact-link-label {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.contact-link-value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-charcoal);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2px;
  transition: border-color var(--transition-base);
}

.contact-link:hover .contact-link-value {
  border-color: var(--color-accent);
}

/* ---- Footer ---- */
.footer {
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-charcoal);
  margin-bottom: 0.25rem;
}

.footer-address {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.footer-copy {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* ---- Lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(20, 18, 15, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-smooth);
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.6);
  z-index: 10;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-base);
}

.lightbox-close:hover {
  color: white;
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-base);
}

.lightbox-prev:hover,
.lightbox-next:hover {
  color: white;
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

.lightbox-prev svg,
.lightbox-next svg {
  width: 28px;
  height: 28px;
}

.lightbox-image-wrap {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 0.3s var(--ease-smooth), transform 0.3s var(--ease-smooth);
}

.lightbox-image.loaded {
  opacity: 1;
  transform: scale(1);
}

.lightbox-caption {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.lightbox-counter {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.1em;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .hero-content {
    padding-bottom: var(--space-xl);
  }

  .hero-scroll-hint {
    display: none;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }

  .property-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .property-card {
    padding: 2rem 1.5rem;
  }

  .feature-break {
    height: 40vh;
  }

  .intro {
    padding: var(--space-xl) var(--space-sm);
  }

  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2.5rem;
  }
}

/* ---- Body scroll lock for lightbox ---- */
body.lightbox-open {
  overflow: hidden;
}