@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Sarabun:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* ==========================================
   DESIGN TOKENS & VARIABLES
   ========================================== */
:root {
  /* Font Family */
  --font-display: 'Outfit', sans-serif;
  --font-thai: 'Sarabun', sans-serif;
  
  /* Color Palette - Dark Mode Default */
  --bg-main: #0b0f19;
  --bg-card: rgba(22, 29, 49, 0.65);
  --bg-card-hover: rgba(30, 39, 65, 0.85);
  --bg-modal: rgba(11, 15, 25, 0.95);
  --bg-control: rgba(255, 255, 255, 0.08);
  --bg-control-active: rgba(255, 255, 255, 0.2);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Accents */
  --accent-primary: #3b82f6; /* Premium Blue */
  --accent-primary-rgb: 59, 130, 246;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-success: #10b981; /* WhatsApp green */
  --accent-success-rgb: 16, 185, 129;
  
  /* Glassmorphism */
  --glass-bg: rgba(15, 23, 42, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --backdrop-blur: blur(12px);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.35);

  /* Borders & Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Mode Variables Override */
[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.7);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --bg-modal: rgba(248, 250, 252, 0.98);
  --bg-control: rgba(15, 23, 42, 0.05);
  --bg-control-active: rgba(15, 23, 42, 0.12);
  
  --border-color: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(15, 23, 42, 0.18);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent-primary: #2563eb;
  --accent-glow: rgba(37, 99, 235, 0.1);
  
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(15, 23, 42, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.08);
}

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

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

body {
  font-family: var(--font-display);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
}

/* Language compatibility */
:lang(th) {
  font-family: var(--font-thai), var(--font-display);
  line-height: 1.7;
}

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

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

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

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==========================================
   UTILITY & STRUCTURAL LAYOUT
   ========================================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* ==========================================
   NAVIGATION BAR
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 100;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  height: 70px;
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid var(--glass-border);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary) 0%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 28px;
  height: 28px;
  stroke: var(--accent-primary);
  fill: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Toggle Buttons (Theme & Language) */
.toggle-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-control);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.toggle-btn:hover {
  background: var(--bg-control-active);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.lang-switcher {
  display: flex;
  gap: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.lang-btn {
  padding: 0.4rem 0.75rem;
  width: auto;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn.active {
  background: var(--accent-primary);
  color: #fff;
}

.lang-btn:hover:not(.active) {
  background: var(--bg-control);
}

/* ==========================================
   HERO BANNER
   ========================================== */
.hero {
  position: relative;
  padding-top: 160px;
  padding-bottom: 80px;
  overflow: hidden;
  text-align: center;
}

/* Soft Decorative Glow Background */
.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, rgba(139, 92, 246, 0.05) 50%, transparent 100%);
  z-index: -1;
  pointer-events: none;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-glow);
  color: var(--accent-primary);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent-primary) 30%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* ==========================================
   FILTER SYSTEM
   ========================================== */
.filters-wrapper {
  margin-bottom: 3.5rem;
}

.filters-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  background: var(--bg-card);
  padding: 0.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  max-width: fit-content;
  margin: 0 auto;
}

.filter-pill {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  color: var(--text-primary);
  background: var(--bg-control);
}

.filter-pill.active {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(var(--accent-primary-rgb), 0.3);
}

/* ==========================================
   PROPERTIES GRID
   ========================================== */
.properties-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 2.5rem;
  margin-bottom: 6rem;
}

/* Property Card */
.property-card {
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.property-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border-hover);
}

/* Card Image Area */
.card-media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.property-card:hover .card-media img {
  transform: scale(1.05);
}

/* Overlay badges */
.card-badges {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
}

.badge {
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.badge-location {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.badge-status {
  background: rgba(var(--accent-primary-rgb), 0.85);
  color: #ffffff;
}

.badge-house {
  background: rgba(139, 92, 246, 0.85);
  color: #ffffff;
}

/* Card Content */
.card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.property-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.25;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 3.4rem;
}

/* Quick specs icons */
.property-specs {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.spec-icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--text-muted);
}

/* Card Footer with Price */
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.price-tag {
  display: flex;
  flex-direction: column;
}

.price-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 500;
}

.price-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.view-details-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--bg-control);
  border: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.property-card:hover .view-details-btn {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(var(--accent-primary-rgb), 0.25);
}

/* ==========================================
   DETAIL MODAL LAYOUT
   ========================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-modal);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 1200px;
  width: 100%;
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
  position: relative;
  transform: translateY(30px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-wrapper {
  transform: translateY(0);
}

/* Close Button */
.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-control);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: grid;
  place-items: center;
  z-index: 100;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--bg-control-active);
  transform: rotate(90deg);
}

.modal-close-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

/* Modal Inner Structure */
.modal-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  min-height: 550px;
}

@media (max-width: 968px) {
  .modal-grid {
    grid-template-columns: 1fr;
  }
}

/* Left side: Image Carousel */
.modal-carousel-section {
  position: relative;
  background: #000000;
  aspect-ratio: 4/3;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

@media (min-width: 969px) {
  .modal-carousel-section {
    height: 100%;
    aspect-ratio: auto;
  }
}

.carousel-viewport {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-slide.active {
  opacity: 1;
  z-index: 10;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #0b0f19;
}

/* Carousel controls */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  display: grid;
  place-items: center;
  z-index: 20;
  transition: all var(--transition-fast);
}

.carousel-btn:hover {
  background: rgba(15, 23, 42, 0.85);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-50%) scale(1.05);
}

.carousel-btn-prev {
  left: 1rem;
}

.carousel-btn-next {
  right: 1rem;
}

/* Indicators */
.carousel-indicators {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 20;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.4);
  transition: all var(--transition-fast);
}

.carousel-dot.active {
  background: var(--accent-primary);
  width: 24px;
}

/* Right side: Property Information */
.modal-info-section {
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  max-height: calc(100vh - 4rem);
}

.modal-location {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.modal-title {
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.modal-price-box {
  background: var(--bg-control);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-price-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
}

/* Spec Detail Grid */
.modal-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.modal-spec-card {
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.modal-spec-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.modal-spec-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Description Section */
.modal-description {
  margin-bottom: 2.5rem;
}

.description-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.description-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  white-space: pre-wrap;
}

/* Contact CTAs */
.modal-ctas {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: auto;
}

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

.cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.cta-btn-whatsapp {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
}

.cta-btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.cta-btn-email {
  background: var(--bg-control);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.cta-btn-email:hover {
  background: var(--bg-control-active);
  transform: translateY(-2px);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  padding: 4rem 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-section {
  margin-top: 4rem;
  margin-bottom: 6rem;
}

.contact-box {
  padding: 4rem 2.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
}

.contact-heading {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.contact-subheading {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.5;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.contact-card {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all var(--transition-normal);
}

.contact-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.contact-avatar-box {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--accent-glow);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
  display: grid;
  place-items: center;
  margin-bottom: 1.5rem;
}

.contact-avatar {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--accent-primary);
}

.contact-details {
  width: 100%;
}

.contact-details h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.contact-role {
  color: var(--accent-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.contact-languages {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.contact-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.contact-buttons {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1rem;
  width: 100%;
}

.contact-link {
  flex: 1;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-fast);
}

.whatsapp-link {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
}

.whatsapp-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.25);
}

.email-link, .phone-link {
  background: var(--bg-control);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.email-link:hover, .phone-link:hover {
  background: var(--bg-control-active);
  transform: translateY(-1px);
}