/* ==========================================================================
   LIQUID EVOLUTION POOLS - DESIGN SYSTEM
   Custom Luxury CSS Stylesheet
   ========================================================================== */

/* Google Fonts Preloading fallback */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
  /* Color Palette - Dark Luxury Theme */
  --bg-primary: #0f1319;       /* Deep slate/charcoal black */
  --bg-secondary: #171c24;     /* Lighter slate for cards/sections */
  --bg-card: #202731;          /* Accent card background */
  
  --text-primary: #f8fafc;     /* Clean off-white for body (high contrast) */
  --text-secondary: #cbd5e1;   /* Muted gray for subtitles/meta */
  --text-muted: #94a3b8;       /* Muted placeholder/icon gray */
  
  --accent-gold: #d97706;      /* Rich dark gold/amber */
  --accent-gold-hover: #b45309;/* Darker gold for hovers */
  --accent-blue: #0284c7;      /* Clean water blue */
  --accent-blue-hover: #0369a1;/* Darker water blue */
  
  --border-color: #2e3745;     /* Slate border */
  --border-light: rgba(255, 255, 255, 0.08);

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Layout & Spacing */
  --container-max-width: 1280px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Miscellaneous */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --header-height: 80px;
}

/* 1. Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: none;
  color: inherit;
}

/* 2. Typography Styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.4rem, 3vw, 2rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

.text-gold {
  color: var(--accent-gold);
}

.font-sans {
  font-family: var(--font-sans);
}

.section-subtitle {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
  display: block;
}

/* 3. Utility Layout Classes */
.container {
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.section {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.section-alt {
  background-color: var(--bg-secondary);
}

.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* 4. Global Components */
/* Header & Navbar */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background-color: rgba(15, 19, 25, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-fast);
}

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

.site-logo img {
  height: 50px;
  width: auto;
}

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

.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.5rem 0;
  position: relative;
}

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

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

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

.phone-link {
  font-weight: 600;
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.phone-link:hover {
  background-color: var(--accent-gold);
  color: #ffffff !important;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
  z-index: 1010;
}

.mobile-nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #ffffff;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Mobile Nav Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  z-index: 1005;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
}

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

.mobile-menu-overlay a {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
}

.mobile-menu-overlay a:hover {
  color: var(--accent-gold);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

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

.btn-outline:hover {
  background-color: var(--accent-gold);
  border-color: var(--accent-gold);
  color: #ffffff;
}

/* Cards (Glassmorphism & Gradients) */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: transform var(--transition-smooth), border-color var(--transition-fast), box-shadow var(--transition-smooth);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(217, 119, 6, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* 5. Section Specific Layouts */
/* Hero Section */
.hero-section {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding-top: var(--header-height);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 19, 25, 0.95) 0%, rgba(15, 19, 25, 0.45) 50%, rgba(15, 19, 25, 0.85) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
}

.hero-content h1 {
  margin-bottom: 1.5rem;
}

.hero-content p {
  font-size: 1.15rem;
  margin-bottom: 2rem;
  max-width: 650px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* About / Philosophy */
.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-md);
}

.philosophy-card {
  padding: var(--spacing-md);
  background-color: var(--bg-card);
  border-left: 3px solid var(--accent-gold);
}

.philosophy-card h3 {
  font-family: var(--font-sans);
  text-transform: uppercase;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
}

.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-light);
  margin-top: var(--spacing-lg);
}

.video-container iframe,
.video-container object,
.video-container embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Services Page */
.service-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(217, 119, 6, 0.1);
  border-radius: 50%;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(217, 119, 6, 0.3);
}

.specialties-accordion {
  margin-top: var(--spacing-lg);
}

.specialty-item {
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 0;
}

.specialty-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.specialty-header h4 {
  margin: 0;
}

.specialty-header svg {
  transition: transform var(--transition-fast);
}

.specialty-item.active .specialty-header svg {
  transform: rotate(180deg);
}

.specialty-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
}

.specialty-item.active .specialty-content {
  max-height: 200px;
  padding-top: 1rem;
}

/* Portfolio Section */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.portfolio-item {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-light);
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.portfolio-item:hover .portfolio-img {
  transform: scale(1.05);
}

.portfolio-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(15, 19, 25, 0.9) 0%, rgba(15, 19, 25, 0.3) 70%, transparent 100%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.portfolio-item:hover .portfolio-info {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-info h4 {
  margin-bottom: 0.25rem;
  font-family: var(--font-sans);
  font-size: 1.15rem;
}

.portfolio-info span {
  font-size: 0.8rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Press & Awards Badges */
.press-row {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.press-badge {
  filter: grayscale(100%) brightness(85%);
  transition: filter var(--transition-fast);
  height: 100px;
  width: auto;
  object-fit: contain;
}

.press-badge:hover {
  filter: grayscale(0%) brightness(100%);
}

/* Testimonials */
.testimonial-card {
  padding: var(--spacing-md);
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  border-left: 2px solid var(--accent-gold);
  padding-left: 1rem;
}

.testimonial-author {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-gold);
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-item {
  display: flex;
  gap: 1rem;
}

.info-item h4 {
  font-family: var(--font-sans);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-gold);
}

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

/* 6. Footer Layout */
.site-footer {
  background-color: #0b0e12;
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-top: 1px solid var(--border-light);
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

/* 7. Lightbox Gallery Modal */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 19, 25, 0.98);
  z-index: 2000;
  display: none;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.lightbox-modal.active {
  display: flex;
  opacity: 1;
}

.lightbox-content-wrap {
  position: relative;
  max-width: 90%;
  max-height: 85%;
}

.lightbox-image {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  font-size: 2rem;
  color: #ffffff;
  cursor: pointer;
  background: none;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.5rem;
  color: #ffffff;
  cursor: pointer;
  user-select: none;
  background: none;
  padding: 1rem;
}

.lightbox-prev { left: -60px; }
.lightbox-next { right: -60px; }

/* 8. Responsive Media Queries */
@media (max-width: 1024px) {
  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .main-nav {
    display: none; /* Trigger mobile overlay instead */
  }
  
  .mobile-nav-toggle {
    display: flex;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    width: 100%;
  }

  .lightbox-prev { left: 0; top: 90%; }
  .lightbox-next { right: 0; top: 90%; }
}