/* WOODX Minimalist Luxury Flat-Edged Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap');

:root {
  --color-bg-primary: #121212;
  --color-bg-secondary: #1a1a1a;
  --color-bg-tertiary: #242424;
  --color-text-primary: #f3f3f3;
  --color-text-secondary: #a0a0a0;
  --color-accent: #d4af37; /* Vibrant Luxury Gold */
  --color-accent-hover: #e5be38;
  --color-border: #333333;
  --color-error: #f87171;
  --color-success: #4ade80;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Crisp Minimalist Flat Edges */
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* Force clean flat edges across all elements */
}

body {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text-primary);
}

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

/* Layout Utilities */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  width: 100%;
}

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-xs { gap: 6px; }
.gap-sm { gap: 12px; }
.gap-md { gap: 20px; }
.gap-lg { gap: 32px; }
.gap-xl { gap: 48px; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }
.mt-xl { margin-top: 40px; }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-secondary); }
.text-sm { font-size: 0.875rem; }

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 18px 0;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--color-accent);
}

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

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-size: 1.4rem;
  padding: 6px 14px;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #000;
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* Cards & Grid */
.card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: 24px;
  transition: border-color var(--transition-normal), transform var(--transition-normal);
}

.card:hover {
  border-color: rgba(212, 175, 55, 0.4);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
}

/* Symmetric Services Layout Grid */
.services-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  width: 100%;
}

.service-card-ref {
  flex: 1 1 360px;
  max-width: 540px;
  width: 100%;
}

/* Full-Screen Scroll Sections with Parallax Slide & Fade Up */
.scroll-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 100px 0;
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

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

/* Hero Section */
.hero {
  min-height: calc(100vh - 70px);
  background: radial-gradient(circle at center, rgba(212, 175, 55, 0.1) 0%, transparent 75%);
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  max-width: 900px;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--color-text-secondary);
  max-width: 650px;
}

/* Reference Light/Contrast Services Section */
.section-services-ref {
  background-color: #f0f2f5;
  color: #121212;
}

.section-services-ref h2, .section-services-ref h3 {
  color: #121212;
}

.section-services-ref .subtitle {
  color: #666666;
}

.section-services-ref .card {
  background: #ffffff;
  border: 1px solid #e0e0e0;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.section-services-ref .category-select {
  background: #f7f7f7 !important;
  border: 1px solid #ddd !important;
  color: #121212 !important;
}

.title {
  font-size: 2.5rem;
}

.subtitle {
  color: var(--color-text-secondary);
}

.badge {
  background: var(--color-bg-tertiary);
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  font-size: 0.75rem;
}

/* Tag Bar Horizontal Swipe Container */
.tag-bar-container {
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

/* Modal System */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-content {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  max-width: 1000px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
}

/* Instant Floating WhatsApp Inquiry Widget */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #25d366;
  color: #fff;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 2500;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.6);
}

/* Forms & Admin */
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 12px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: 0.95rem;
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.admin-nav {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
}

.admin-nav button {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  font-weight: 600;
  padding: 8px 16px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.admin-nav button.active, .admin-nav button:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-accent);
}

/* Toast Notifications */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 24px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
  z-index: 2000;
  font-weight: 600;
  animation: slideUp 0.3s ease forwards;
}

.toast-success { border-color: var(--color-success); color: var(--color-success); }
.toast-error { border-color: var(--color-error); color: var(--color-error); }

/* Footer */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  padding: 60px 0 24px;
  background: var(--color-bg-secondary);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Mobile Responsiveness Improvements (Zero PC UI Changes) */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  
  .mobile-menu-btn {
    display: inline-block !important;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(18, 18, 18, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 20px 24px;
    gap: 18px;
    align-items: flex-start;
    box-shadow: 0 15px 30px rgba(0,0,0,0.8);
  }

  .nav-links.mobile-open {
    display: flex !important;
  }

  .nav-links a {
    font-size: 1.15rem;
    font-weight: 600;
    width: 100%;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .scroll-section {
    min-height: auto;
    padding: 60px 0;
  }

  .hero {
    min-height: calc(100vh - 65px);
    padding: 40px 0;
  }

  .hero-title {
    font-size: 2.2rem;
    line-height: 1.2;
  }

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

  .title {
    font-size: 1.8rem;
  }

  .subtitle {
    font-size: 0.95rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .services-grid {
    gap: 20px;
  }

  .service-card-ref {
    flex: 1 1 100%;
    max-width: 100%;
  }

  .tag-bar-container {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 12px;
    -webkit-overflow-scrolling: touch;
    width: 100%;
  }

  .tag-bar-container .btn {
    flex-shrink: 0;
    white-space: nowrap;
    font-size: 0.85rem;
    padding: 8px 16px;
  }

  .admin-nav {
    overflow-x: auto;
    white-space: nowrap;
    justify-content: flex-start;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .admin-nav button {
    flex-shrink: 0;
  }

  .modal-content {
    padding: 20px;
    margin: 10px;
    max-height: 90vh;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
    font-size: 1.5rem;
  }
}