/* ========================================
   SKYBENN STUDIOS PHOTOGRAPHY PORTFOLIO
   Dark, Minimal, Image-Focused Design
   Bootstrap 5 Integration
======================================== */

:root {
  /* Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-muted: #555555;
  --accent: #d4af37;
  --accent-hover: #e5c453;
  --border: #222222;
  
  /* Typography */
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Outfit', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

::selection {
  background: var(--accent);
  color: var(--bg-primary);
}

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

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

/* ========================================
   LOADER
======================================== */

.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ========================================
   HEADER
======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: linear-gradient(to bottom, var(--bg-primary), transparent);
}

.logo {
  text-decoration: none;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  width: 34px !important;
  height: 34px !important;
  flex: 0 0 34px;
  border-radius: 7px;
}

.logo-stack {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo:hover {
  color: var(--text-primary);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: 0.1em;
}

.logo-sub {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--text-secondary);
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: var(--space-md);
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

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

/* ========================================
   HERO
======================================== */

.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: var(--space-lg);
}

.hero-content {
  text-align: center;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 12vw, 10rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 0.9;
  margin-bottom: var(--space-sm);
  animation: fadeUp 1s ease 0.3s both;
}

.hero-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  font-weight: 300;
  color: var(--text-secondary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: fadeUp 1s ease 0.5s both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  animation: fadeUp 1s ease 0.8s both;
}

.hero-scroll span {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* ========================================
   FILTER
======================================== */

.filter-section {
  padding: var(--space-lg) var(--space-lg) var(--space-md);
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  z-index: 50;
  border-bottom: 1px solid var(--border);
}

.filter-container {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: 1px solid var(--border);
  padding: var(--space-xs) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--bg-primary);
}

/* ========================================
   GALLERY
======================================== */

.gallery {
  padding: var(--space-lg);
  min-height: 50vh;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-sm);
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-secondary);
}

.gallery-item.landscape {
  aspect-ratio: 3/2;
  grid-column: span 2;
}

.gallery-item.video {
  aspect-ratio: 16/9;
  grid-column: span 2;
}

.gallery-item img,
.gallery-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), filter var(--transition-medium);
}

.gallery-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-medium);
  z-index: 1;
}

.gallery-item:hover::before {
  opacity: 1;
}

.gallery-item:hover img,
.gallery-item:hover video {
  transform: scale(1.05);
}

.gallery-item-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  z-index: 2;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-medium);
}

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

.gallery-item-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.gallery-item-category {
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.gallery-item .play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border: 2px solid var(--text-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  opacity: 0.8;
  transition: all var(--transition-fast);
}

.gallery-item:hover .play-icon {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.1);
}

.play-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 18px solid var(--text-primary);
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  margin-left: 4px;
}

/* Empty & Loading States */
.gallery-empty {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  color: var(--text-muted);
}

.gallery-loading {
  display: flex;
  justify-content: center;
  padding: var(--space-xl);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--border);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========================================
   LIGHTBOX
======================================== */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-medium);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  font-size: 2.5rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: transform var(--transition-fast);
  line-height: 1;
}

.lightbox-close:hover {
  transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-md);
  transition: color var(--transition-fast);
}

.lightbox-prev { left: var(--space-sm); }
.lightbox-next { right: var(--space-sm); }

.lightbox-prev:hover,
.lightbox-next:hover {
  color: var(--text-primary);
}

.lightbox-content {
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image,
.lightbox-video {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.lightbox-info {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

.lightbox-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.lightbox-category {
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ========================================
   CONTACT
======================================== */

.contact {
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  border-top: 1px solid var(--border);
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  margin-bottom: var(--space-sm);
}

.contact-text {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.contact-btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--text-primary);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.contact-btn:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* ========================================
   CONTACT PAGE
======================================== */

.contact-page {
  min-height: 100vh;
  padding: calc(var(--space-xl) + 40px) var(--space-md) var(--space-xl);
  display: flex;
  justify-content: center;
}

.contact-form-container {
  width: 100%;
  max-width: 640px;
}

.contact-page-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  margin-bottom: var(--space-xs);
  text-align: center;
}

.contact-page-text {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  text-align: center;
}

.contact-form .form-label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.contact-input,
.contact-input:focus {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 0;
  color: var(--text-primary);
  font-weight: 300;
  padding: 0.75rem 1rem;
  box-shadow: none;
}

.contact-input:focus {
  border-color: var(--text-secondary);
}

.contact-input::placeholder {
  color: var(--text-muted);
}

select.contact-input option {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.contact-submit {
  background: transparent;
  cursor: pointer;
  margin-top: var(--space-sm);
  width: 100%;
}

.contact-status {
  margin-top: var(--space-sm);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  text-align: center;
}

.contact-status.success {
  border: 1px solid #3a6;
  color: #6c9;
}

.contact-status.error {
  border: 1px solid #a44;
  color: #c77;
}

/* ========================================
   FOOTER
======================================== */

.footer {
  padding: var(--space-md) var(--space-lg);
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

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

@media (max-width: 992px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
  
  .gallery-item.landscape,
  .gallery-item.video {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .nav {
    gap: var(--space-sm);
  }
  
  .nav-link {
    font-size: 0.75rem;
  }
  
  .hero {
    padding: var(--space-md);
  }
  
  .filter-section {
    padding: var(--space-md);
  }
  
  .filter-btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.7rem;
  }
  
  .gallery {
    padding: var(--space-md);
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
  
  .lightbox-prev,
  .lightbox-next {
    padding: var(--space-sm);
    font-size: 1.5rem;
  }
  
  .contact {
    padding: var(--space-lg) var(--space-md);
  }
}

@media (max-width: 480px) {
  .logo-text {
    font-size: 1.2rem;
  }
  
  .logo-sub {
    font-size: 0.6rem;
  }
  
  .hero-title {
    font-size: clamp(2.5rem, 15vw, 4rem);
  }
  
  .gallery-item-title {
    font-size: 1.1rem;
  }
}