/* ===================================
   Gray Cliff Apartments - Styles
   Classic & Elegant Design System
   =================================== */

/* --- CSS Variables --- */
:root {
  /* Palette: Forest Green + Off-White */
  --color-primary: #1a3c34;
  --color-primary-dark: #0f241f;
  --color-primary-light: #2d5a4e;
  --color-accent: #c9a86c;
  --color-accent-light: #dfc08a;
  
  --color-bg: #f7f5f0;
  --color-bg-alt: #ede9e0;
  --color-white: #ffffff;
  --color-text: #2c2c2c;
  --color-text-light: #5a5a5a;
  --color-text-muted: #8a8a8a;
  --color-border: #d4cfc5;
  
  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Lato', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;
  
  /* Borders & Shadows */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(26, 60, 52, 0.06);
  --shadow-md: 0 8px 30px rgba(26, 60, 52, 0.08);
  --shadow-lg: 0 20px 60px rgba(26, 60, 52, 0.12);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

p {
  color: var(--color-text-light);
  font-size: 1.1rem;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.text-center {
  text-align: center;
}

.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-desc {
  max-width: 600px;
  margin: var(--space-sm) auto 0;
  color: var(--color-text-muted);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-light:hover {
  background-color: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-text {
  background: none;
  border: none;
  color: var(--color-white);
  padding: 0.875rem 0;
  font-size: 0.875rem;
}

.btn-text:hover {
  color: var(--color-accent-light);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background-color: rgba(247, 245, 240, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.05em;
  transition: color var(--transition-base);
}

.navbar.scrolled .logo {
  color: var(--color-primary);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

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

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

.nav-links .btn-primary {
  padding: 0.625rem 1.5rem;
  font-size: 0.8125rem;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  transition: all var(--transition-base);
}

.navbar.scrolled .mobile-menu-btn span {
  background-color: var(--color-primary);
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--color-primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.close-menu-btn {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-white);
  padding: 0.5rem;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.mobile-nav-links a {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-white);
  transition: color var(--transition-fast);
}

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

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

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.pexels.com/photos/279607/pexels-photo-279607.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center/cover no-repeat;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 60, 52, 0.88) 0%,
    rgba(15, 36, 31, 0.75) 50%,
    rgba(45, 90, 78, 0.65) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding-top: var(--space-xl);
}

.hero-headline {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  animation: fadeUp 0.8s ease forwards;
  opacity: 0;
}

.hero-subheadline {
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--space-lg);
  animation: fadeUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  animation: fadeUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

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

/* --- Intro Section --- */
.intro-section {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.intro-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.intro-text .section-label {
  margin-bottom: var(--space-sm);
}

.intro-text h2 {
  margin-bottom: var(--space-md);
}

.intro-text p {
  margin-bottom: var(--space-md);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1rem;
  color: var(--color-text);
}

.feature-list svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* --- Apartments Section --- */
.apartments-section {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg-alt);
}

.section-header {
  margin-bottom: var(--space-lg);
}

.apartment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.apartment-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.apartment-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.card-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.card-content {
  padding: var(--space-md);
}

.card-content h3 {
  margin-bottom: var(--space-xs);
}

.card-desc {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

.specs {
  display: flex;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.specs li {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Amenities Section --- */
.amenities-section {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg);
}

.amenities-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.amenities-content .section-label {
  margin-bottom: var(--space-sm);
}

.amenities-content h2 {
  margin-bottom: var(--space-sm);
}

.amenities-desc {
  margin-bottom: var(--space-lg);
  color: var(--color-text-muted);
}

.amenities-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.amenity-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.amenity-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.amenity-item h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.amenity-item p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.amenities-image img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

/* --- Location Section --- */
.location-section {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg-alt);
}

.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.location-content .section-label {
  margin-bottom: var(--space-sm);
}

.location-content h2 {
  margin-bottom: var(--space-md);
}

.location-content p {
  margin-bottom: var(--space-md);
}

.location-content strong {
  color: var(--color-text);
}

.location-map img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* --- Contact Section --- */
.contact-section {
  padding: var(--space-2xl) 0;
  background-color: var(--color-primary);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.contact-info .section-label {
  color: var(--color-accent);
}

.contact-info h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.contact-desc {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-lg);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.contact-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.contact-item strong {
  display: block;
  color: var(--color-white);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.contact-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
}

.contact-item a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.contact-item a:hover {
  color: var(--color-accent);
}

/* Contact Form */
.contact-form-wrapper {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
}

.contact-form h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(26, 60, 52, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-success {
  display: none;
  padding: var(--space-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  text-align: center;
  margin-top: var(--space-md);
}

.form-success.show {
  display: block;
  animation: fadeUp 0.5s ease;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-primary-dark);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--space-md);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9375rem;
  margin-top: 0.25rem;
}

.footer-links {
  display: flex;
  gap: var(--space-md);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8125rem;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .intro-grid,
  .amenities-layout,
  .location-grid,
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .intro-image img,
  .amenities-image img {
    height: 400px;
  }
  
  .amenities-image img {
    height: 350px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
    --space-2xl: 5rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .apartment-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .contact-form-wrapper {
    padding: var(--space-md);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .intro-image img,
  .amenities-image img {
    height: 280px;
  }
  
  .specs {
    flex-direction: column;
    gap: var(--space-xs);
  }
}