/* ==========================================================================
   1. GLOBAL TOKENS & THEMING
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Plus+Jakarta+Sans:wght@300;400;600&display=swap');

:root {
  --bg-color: #f5f3ef;       
  --text-color: #242624;     
  --text-muted: #7c7e7a;     
  --border-color: #dfdbd5;   
  --text-client: #3a3c39;    
  --hover-color: #555753;    
  --active-color: #000000;   
  --font-sans: "Plus Jakarta Sans", "Inter", -apple-system, sans-serif;
  --transition-speed: 0.25s;
}

[data-theme="dark"] {
  --bg-color: #1a1b1a;       
  --text-color: #eae7e2;     
  --text-muted: #888a85;
  --text-client: #bebfba;    
  --border-color: #2c2e2b;
  --hover-color: #bebfba;
  --active-color: #ffffff;
}

/* ==========================================================================
   2. STRUCTURAL BASE & STRUCTURAL LAYOUT
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  
  -webkit-text-size-adjust: 100%; 
  
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

main {
  width: 100%;
  max-width: 1140px;          
  margin: 0 auto;
  padding: 40px 40px 60px 40px; 
}

/* ==========================================================================
   3. SITE HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  max-width: 1140px;          
  margin: 0 auto;
  width: 100%;
  padding: 50px 40px 12px 40px; 
}

.header-top {
  padding-bottom: 15px;
}

/* Logo Setup */
.logo {
  display: inline-block;
}

.logo img {
  height: auto;              
  width: auto;               
  max-width: 25%;            
  opacity: 0.85;
  transition: opacity var(--transition-speed);
}

.logo:hover img { opacity: 0.6; }
.logo-dark { display: none !important; }
.logo-light { display: block !important; }

[data-theme="dark"] .logo-light { display: none !important; }
[data-theme="dark"] .logo-dark { display: block !important; }

/* Navigation Links */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 0;            
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;                 
}

.nav-links a {
  font-size: 0.82rem;        
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: capitalize;
  color: var(--text-muted);
  text-decoration: none;     
  position: relative;
  transition: color var(--transition-speed);
}

.nav-links a:hover { color: var(--hover-color); text-decoration: none; }
.nav-links a:active { color: var(--active-color); }
.nav-links a.active { color: var(--text-color); font-weight: 400; }
.nav-links .sep { font-size: 0.75rem; color: var(--border-color); user-select: none; }

/* SVG Interface Icon Constraints */
.nav-links .nav-icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-links .menu-icon {
  width: 14px;  
  height: 14px;
  stroke: currentColor; 
  transition: stroke var(--transition-speed), fill var(--transition-speed);
}

/* Theme Toggle Component */
#theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
}

.toggle-track {
  display: block;
  width: 30px;
  height: 14px;
  background-color: transparent;
  border: 1px solid var(--text-muted);
  border-radius: 10px;
  position: relative;
  transition: border-color var(--transition-speed);
}

.toggle-thumb {
  display: block;
  width: 8px;
  height: 8px;
  background-color: var(--text-muted);
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 3px;
  transition: transform var(--transition-speed) cubic-bezier(0.25, 1, 0.5, 1), background-color var(--transition-speed);
}

#theme-toggle:hover .toggle-track { border-color: var(--text-color); }
#theme-toggle:hover .toggle-thumb { background-color: var(--text-color); }
#theme-toggle.active .toggle-track { border-color: var(--text-color); }
#theme-toggle.active .toggle-thumb {
  transform: translateX(14px);
  background-color: var(--text-color);
}

/* ==========================================================================
   4. SHARED COMPONENT: IMAGE WRAPPER (HOVER STACK EFFECT)
   ========================================================================== */
.image-wrapper {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background-color: var(--border-color);
  margin-bottom: 10px;       
  position: relative;        
}

.image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease-in-out; 
}

.image-wrapper .img-primary {
  opacity: 0.95;
  position: relative;
  z-index: 2;
}

.image-wrapper .img-secondary {
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

.gallery-link:hover .image-wrapper .img-primary { opacity: 0; }
.gallery-link:hover .image-wrapper .img-secondary { opacity: 1; z-index: 3; }
.gallery-link:active .image-wrapper { transform: scale(0.99); }

/* ==========================================================================
   5. PAGE: HOME GALLERY GRID
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 45px 34px;            
}

.gallery-item {
  display: flex;
  flex-direction: column;
  max-width: 320px;          
  margin: 0 auto;
  width: 100%;
  opacity: 0;
  transition: opacity 2.5s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: opacity;
}

.gallery-item.is-revealed { opacity: 1; }
.gallery-link { text-decoration: none; }

.client-name {
  font-family: var(--font-sans);
  font-weight: 600;          
  font-size: 0.68rem;        
  letter-spacing: 0.02em;
  color: var(--text-client); 
  text-align: left;
  line-height: 1.2;
  text-decoration: none;
  display: block;
  transition: color var(--transition-speed);
}

.gallery-link:hover .client-name { color: var(--text-color); }

/* ==========================================================================
   6. PAGE: PROJECT INNER
   ========================================================================== */
.project-title {
  font-size: 1.85rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 16px; 
}

.project-client-meta {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.project-description p {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-client);
  max-width: 100%; 
}

/* Project Specific Gallery (Overrides shared image wrappers to 3:2 layout) */
.project-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 45px;            
  margin-top: 40px;
}

.project-gallery-grid .gallery-item {
  max-width: 100%; 
  width: 100%;
  opacity: 0;
  transition: opacity 2.5s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: opacity;
}

.project-gallery-grid .image-wrapper { aspect-ratio: 3 / 2; }
.project-gallery-grid .gallery-item.is-revealed { opacity: 1; }

/* Editorial Testimonial Core Block */
.project-description blockquote {
  margin: 32px 0;
  padding-left: 24px;
  border-left: 1px solid var(--border-color); 
}

.project-description .quote-text {
  font-size: 0.85rem;
  line-height: 1.6;
  font-style: italic;
  color: var(--text-client); 
  margin-bottom: 12px;
}

.project-description .quote-author {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted); 
  font-style: normal;
}

/* ==========================================================================
   7. PAGE: SERVICES SPECIFICATIONS
   ========================================================================== */
.services-container { width: 100%; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px 130px; 
  margin-top: 50px;
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
}

.service-item {
  display: flex;
  flex-direction: column;
  gap: 12px; 
  text-align: left;              
  align-items: flex-start;       
}

.service-name {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-color);
  margin-top: -30px;
}

.service-desc {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-client);
}

/* Icon / Graphic Settings for Services Grid */
.services-grid .image-wrapper {
  max-width: 80px;               
  max-height: 80px;              
  margin: 0 0 12px 0;            
  background-color: transparent; 
}

/* Targets picture structure dynamically inside the service cards */
.services-grid .image-wrapper picture {
  display: block;
  width: 100%;
  height: 100%;
}

.services-grid .image-wrapper img {
  width: auto;                   
  height: auto;                  
  max-width: 100%;               
  max-height: 100%;              
  object-fit: contain;           
}

/* Evaluates dynamic updates when theme JS triggers a data-theme attribute alteration */
[data-theme="dark"] .services-grid .image-wrapper picture source {
  display: block;
}

/* ==========================================================================
   7b. PAGE: SERVICES SPECIFICATIONS (ADDITION)
   ========================================================================== */
.service-img-dark { display: none !important; }
.service-img-light { display: block !important; }

[data-theme="dark"] .service-img-light { display: none !important; }
[data-theme="dark"] .service-img-dark { display: block !important; }

/* ==========================================================================
   8. PAGE: ABOUT ME
   ========================================================================== */
.about-container { width: 100%; }

/* The layout engine handling the side-by-side split */
.about-layout-grid {
  display: grid;
  grid-template-columns: 1fr 2.5fr; 
  gap: 35px;                         
  margin-top: 15px;                  
  border-top: 1px solid var(--border-color);
  padding-top: 45px;                 /* Increased from 20px to bring the content grid down below the line */
  align-items: start;                
}

/* Right side: The text content */
.about-content-block {
  grid-column: 2;   
  max-width: 100%; 
}

.about-content-block p {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-client);
  margin-bottom: 24px;
}

.about-content-block p:last-child { margin-bottom: 0; }

.about-link {
  color: var(--text-color);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 400;
  transition: color var(--transition-speed);
}

.about-link:hover { color: var(--text-muted); }

/* Left side: Portrait Image Styles */
.about-portrait-wrapper {
  grid-column: 1;   
  width: 100%;
  max-width: 240px; 
  aspect-ratio: 3 / 4; 
  overflow: hidden;
  background-color: var(--border-color);
  justify-self: start;
}

.about-portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover; 
  display: block;
}

/* Responsive Overrides for Tablets and Mobile */
@media (max-width: 768px) {
  .about-layout-grid {
    grid-template-columns: 1fr; 
    gap: 30px;
  }
  
  .about-portrait-wrapper {
    grid-column: 1;     
    grid-row: 1;        
    max-width: 180px;   
    margin: 0;          
    justify-self: start;
  }

  .about-content-block {
    grid-column: 1;     
    grid-row: 2;        
  }
}

/* ==========================================================================
   9. SITE FOOTER
   ========================================================================== */
.site-footer {
  max-width: 1140px;          
  margin: 0 auto;
  width: 100%;
  padding: 20px 40px;             
  text-align: center;
}

.site-footer .footer-content {
  border-top: 1px solid var(--border-color); 
  padding-top: 20px; 
}

.site-footer p {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px; 
}

.site-footer p:last-child { margin-bottom: 0; }
.site-footer .footer-contact { font-size: 0.62rem; letter-spacing: 0.04em; }

.site-footer .footer-contact a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.site-footer .footer-contact a:hover { color: var(--text-color); }

/* ==========================================================================
   10. GLOBAL FLUID MEDIA QUERIES
   ========================================================================== */
@media (max-width: 900px) {
  .site-header, main, .site-footer {
    max-width: 100%;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 22px;          
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 35px;
  }
}

@media (max-width: 768px) {
  .project-gallery-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 550px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
}

@media (max-width: 480px) {
  .logo img {
    max-width: 45%; 
  }

  .site-header {
    padding: 30px 20px 12px 20px; 
  }

  main, .site-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .site-nav {
    flex-direction: row;        
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }
  
  .nav-links {
    gap: 8px;                   
    flex-wrap: nowrap; 
  }

  .nav-links a {
    font-size: 0.72rem;         
    letter-spacing: 0.01em;     
    white-space: nowrap;        
  }

  .nav-links .sep {
    font-size: 0.6rem;
  }

  .theme-toggle-container {
    width: auto;                
    display: flex;
    align-items: center;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 25px;               
  }
  .gallery-item {
    max-width: 100%;
  }
}
}