/* NuSun Rentals - Main Stylesheet */
/* Version 1.0 */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Colors - from PRD */
  --color-primary-text: #2D2D2D;
  --color-secondary-text: #6B6B6B;
  --color-accent: #C9A962;
  --color-accent-hover: #B8993F;
  --color-background: #FAFAF8;
  --color-card-bg: #FFFFFF;
  --color-border: #E5E5E5;
  --color-white: #FFFFFF;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-base: 16px;
  --line-height-body: 1.6;
  --line-height-heading: 1.2;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
}

/* ===== RESET & BASE STYLES ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

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

/* Skip to content link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

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

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

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-heading);
  font-weight: 600;
  color: var(--color-primary-text);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary-text);
}

/* ===== LAYOUT COMPONENTS ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-accent);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-text);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--color-accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-secondary-text);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary-text);
}

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

.nav-contact {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-accent);
  font-weight: 500;
}

.nav-contact svg {
  width: 18px;
  height: 18px;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary-text);
  transition: var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5)),
              url('../images/building/exterior.jpg') center/cover no-repeat;
  color: var(--color-white);
}

.hero-content {
  max-width: 700px;
}

.hero h1 {
  font-size: 3rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--spacing-lg);
  line-height: 1.5;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 600;
  border-radius: 4px;
  transition: background var(--transition-fast);
}

.hero-cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
}

/* ===== UNIT CARDS ===== */
.units-section {
  background: var(--color-white);
}

.units-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.units-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.unit-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.unit-card:hover {
  box-shadow: var(--shadow-md);
}

.unit-image {
  position: relative;
  aspect-ratio: 16/10;
  background: var(--color-border);
  overflow: hidden;
}

.unit-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.unit-badge {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  background: var(--color-accent);
  color: var(--color-white);
  padding: 4px 12px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 4px;
}

.unit-content {
  padding: var(--spacing-md);
}

.unit-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.unit-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.unit-spec {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--color-secondary-text);
}

.unit-spec svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
}

/* Floor Plan Section */
.floor-plan-section {
  text-align: center;
}

.floor-plan-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-md);
}

.floor-plan-container img {
  width: 100%;
  height: auto;
}

.floor-plan-caption {
  margin-top: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--color-secondary-text);
}

/* Features List */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 169, 98, 0.1);
  border-radius: 8px;
  flex-shrink: 0;
}

.feature-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.feature-text {
  font-size: 0.95rem;
  color: var(--color-primary-text);
}

/* ===== HIGHLIGHTS SECTION ===== */
.highlights-section {
  background: var(--color-background);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.highlight-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: 8px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.highlight-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 169, 98, 0.1);
  border-radius: 50%;
}

.highlight-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.highlight-title {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

.highlight-text {
  font-size: 0.9rem;
  color: var(--color-secondary-text);
  margin-bottom: 0;
}

/* ===== LOCATION SECTION ===== */
.location-section {
  background: var(--color-white);
}

.location-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.location-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-background);
  border-radius: 8px;
}

.location-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  border-radius: 8px;
  flex-shrink: 0;
}

.location-icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-white);
}

.location-title {
  font-size: 1rem;
  margin-bottom: 4px;
}

.location-text {
  font-size: 0.9rem;
  color: var(--color-secondary-text);
  margin-bottom: 0;
}

.location-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* ===== BUILDING PAGE STYLES ===== */
.page-hero {
  padding-top: calc(var(--header-height) + var(--spacing-xxl));
  padding-bottom: var(--spacing-xl);
  background: var(--color-white);
  text-align: center;
}

.page-hero h1 {
  margin-bottom: var(--spacing-sm);
}

.page-hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-secondary-text);
  max-width: 600px;
  margin: 0 auto;
}

/* Finishes Grid */
.finishes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.finish-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
}

.finish-card h3 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.finish-card h3 svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.finish-list {
  list-style: none;
}

.finish-list li {
  padding: var(--spacing-xs) 0;
  color: var(--color-secondary-text);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.finish-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

/* Amenities Grid */
.amenities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.amenity-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.amenity-card:hover {
  box-shadow: var(--shadow-md);
}

.amenity-image {
  aspect-ratio: 4/3;
  background: var(--color-border);
  position: relative;
  overflow: hidden;
}

.amenity-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.amenity-content {
  padding: var(--spacing-md);
}

.amenity-title {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

.amenity-text {
  font-size: 0.9rem;
  color: var(--color-secondary-text);
  margin-bottom: 0;
}

/* Services List */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.service-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-white);
  border-radius: 8px;
}

.service-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ===== NEIGHBORHOOD PAGE STYLES ===== */
.map-section {
  background: var(--color-white);
}

.map-container {
  aspect-ratio: 16/9;
  background: var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Transportation Grid */
.transport-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.transport-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  text-align: center;
}

.transport-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 169, 98, 0.1);
  border-radius: 50%;
}

.transport-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.transport-title {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

.transport-detail {
  font-size: 0.9rem;
  color: var(--color-secondary-text);
  margin-bottom: 0;
}

/* Neighborhood Categories */
.neighborhood-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.neighborhood-category h3 {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-accent);
}

.place-list {
  list-style: none;
}

.place-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.place-item:last-child {
  border-bottom: none;
}

.place-name {
  color: var(--color-primary-text);
}

.place-distance {
  font-size: 0.875rem;
  color: var(--color-secondary-text);
}

/* ===== RESOURCES PAGE STYLES ===== */
.resources-section {
  background: var(--color-white);
}

.resource-block {
  margin-bottom: var(--spacing-xxl);
}

.resource-block:last-child {
  margin-bottom: 0;
}

.resource-block h2 {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-border);
}

.resource-content {
  max-width: 800px;
}

.resource-list {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.resource-list li {
  padding: var(--spacing-xs) 0;
  color: var(--color-secondary-text);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.resource-list li::before {
  content: '→';
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Download Buttons */
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
  font-weight: 500;
  margin-right: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  transition: background var(--transition-fast);
}

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

.download-btn svg {
  width: 18px;
  height: 18px;
}

/* Info Box */
.info-box {
  background: rgba(201, 169, 98, 0.1);
  border-left: 4px solid var(--color-accent);
  padding: var(--spacing-md);
  border-radius: 0 8px 8px 0;
  margin-top: var(--spacing-md);
}

.info-box p {
  margin-bottom: 0;
  color: var(--color-primary-text);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-primary-text);
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
}

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

.footer-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-logo span {
  color: var(--color-accent);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

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

.footer-contact {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-accent);
}

.footer-bottom {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* ===== 404 PAGE ===== */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl);
}

.error-content h1 {
  font-size: 6rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.error-content h2 {
  margin-bottom: var(--spacing-md);
}

.error-content p {
  margin-bottom: var(--spacing-lg);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 600;
  border-radius: 4px;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

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

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
}

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

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet */
@media (max-width: 1023px) {
  :root {
    --spacing-xxl: 3rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

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

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

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

  .transport-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Mobile */
@media (max-width: 767px) {
  :root {
    --header-height: 70px;
    --spacing-xl: 2rem;
    --spacing-xxl: 2.5rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .hero {
    min-height: 70vh;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  /* Mobile Navigation */
  .menu-toggle {
    display: flex;
    z-index: 101;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    padding: calc(var(--header-height) + var(--spacing-lg)) var(--spacing-lg) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-base);
  }

  .nav.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .nav-contact {
    margin-top: auto;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  /* Mobile overlay */
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
  }

  .nav-overlay.active {
    display: block;
  }

  /* Mobile Grids */
  .units-grid {
    grid-template-columns: 1fr;
  }

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

  .highlights-grid {
    grid-template-columns: 1fr;
  }

  .location-grid {
    grid-template-columns: 1fr;
  }

  .finishes-grid {
    grid-template-columns: 1fr;
  }

  .amenities-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .transport-grid {
    grid-template-columns: 1fr;
  }

  .neighborhood-categories {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* Small Mobile */
@media (max-width: 374px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* Image placeholder styling */
.image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e5e5e5 0%, #d0d0d0 100%);
  color: var(--color-secondary-text);
  font-size: 0.875rem;
}