/* ========================================
   ASHTON DO - PORTFOLIO STYLES
   Modern Fashion Photography Portfolio
   ======================================== */

/* CSS Variables */
:root {
  /* Colors - Dark Mode (Default) */
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-tertiary: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-muted: #555555;
  --accent: #ffffff;
  --border: rgba(255, 255, 255, 0.1);

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 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);
}

/* Light Mode */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f8f8;
  --bg-tertiary: #f0f0f0;
  --text-primary: #0a0a0a;
  --text-secondary: #666666;
  --text-muted: #999999;
  --accent: #0a0a0a;
  --border: rgba(0, 0, 0, 0.1);
}

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

html {
  font-size: 16px;
  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;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  opacity: 0.7;
}

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

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

/* ========================================
   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;
  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;
  mix-blend-mode: difference;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--text-primary);
}

.nav-toggle {
  width: 32px;
  height: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 0;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--text-primary);
  transition: transform var(--transition-medium), opacity var(--transition-fast);
}

.nav-toggle.active span:first-child {
  transform: translateY(4.5px) rotate(45deg);
}

.nav-toggle.active span:last-child {
  transform: translateY(-4.5px) rotate(-45deg);
}

/* ========================================
   NAVIGATION OVERLAY
   ======================================== */
.nav-overlay {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.nav-list {
  list-style: none;
  text-align: center;
}

.nav-list li {
  overflow: hidden;
}

.nav-link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  padding: var(--space-xs) 0;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.nav-overlay.active .nav-link {
  transform: translateY(0);
}

.nav-overlay.active .nav-list li:nth-child(1) .nav-link { transition-delay: 0.1s; }
.nav-overlay.active .nav-list li:nth-child(2) .nav-link { transition-delay: 0.15s; }
.nav-overlay.active .nav-list li:nth-child(3) .nav-link { transition-delay: 0.2s; }
.nav-overlay.active .nav-list li:nth-child(4) .nav-link { transition-delay: 0.25s; }

.nav-link.active {
  opacity: 0.4;
}

.nav-footer {
  position: absolute;
  bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--text-secondary);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow) 0.3s, transform var(--transition-slow) 0.3s;
}

.nav-overlay.active .nav-footer {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center top;
  opacity: 0;
  z-index: 1;
}

.slide.active {
  opacity: 1;
  z-index: 2;
}

.slide.exiting {
  z-index: 1;
  opacity: 1;
}

/* Horizontal blinds container */
.hero-slider .blinds-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
  overflow: hidden;
}

/* Individual blind strip */
.hero-slider .blind {
  position: absolute;
  left: 0;
  width: 100%;
  overflow: hidden;
  clip-path: inset(100% 0 0 0);
  z-index: 100;
  background-size: cover;
}

/* Animate blinds expanding from bottom to top to reveal next image */
.hero-slider.transitioning .blind {
  animation: blindReveal 0.7s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

@keyframes blindReveal {
  from {
    clip-path: inset(100% 0 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}


.slide-caption {
  position: absolute;
  bottom: var(--space-xl);
  left: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  mix-blend-mode: difference;
}

.model-name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: #fff;
}

.model-agency {
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

/* Slider Controls */
.slider-controls {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: #fff;
  z-index: 20;
  mix-blend-mode: difference;
}

.slider-btn {
  padding: var(--space-xs);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.slider-btn:hover {
  opacity: 1;
}

.slider-progress {
  font-family: var(--font-body);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.slider-progress .divider {
  opacity: 0.5;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #fff;
  animation: float 2s ease-in-out infinite;
  z-index: 20;
  mix-blend-mode: difference;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

/* ========================================
   WORK PAGE - GALLERY GRID
   ======================================== */
.page-header {
  padding: calc(var(--space-xl) + var(--space-lg)) var(--space-lg) var(--space-lg);
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.1em;
}

.gallery {
  padding: 0 var(--space-lg) var(--space-xl);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.gallery-item {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  cursor: pointer;
}

.gallery-item:nth-child(3n+1) {
  grid-row: span 2;
}

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

.gallery-item.landscape:nth-child(3n+1) {
  grid-row: span 1;
}

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

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-md);
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

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

.gallery-item-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  color: #fff;
}

.gallery-item-meta {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-top: var(--space-xs);
}

/* ========================================
   LIGHTBOX
   ======================================== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

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

.lightbox-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
}

.lightbox-image {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  padding: var(--space-md);
}

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

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

/* ========================================
   ABOUT PAGE
   ======================================== */
.about {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.about-image {
  position: relative;
  height: 100vh;
  position: sticky;
  top: 0;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-content {
  padding: calc(var(--space-xl) + var(--space-lg)) var(--space-xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.about-bio {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.about-credentials {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

.credential {
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ========================================
   CONTACT PAGE
   ======================================== */
.contact {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.contact-info {
  padding: calc(var(--space-xl) + var(--space-lg)) var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.contact-text {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 400px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.contact-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-value {
  font-size: 1.125rem;
}

.contact-form-wrapper {
  padding: calc(var(--space-xl) + var(--space-lg)) var(--space-xl);
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-form {
  max-width: 500px;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-sm);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

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

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--text-primary);
  color: var(--bg-primary);
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.form-submit:hover {
  opacity: 0.8;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .header {
    padding: var(--space-sm) var(--space-md);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-item:nth-child(3n+1) {
    grid-row: span 1;
  }

  /* Landscape images span full width on tablet */
  .gallery-item.landscape {
    grid-column: span 2;
  }

  .about,
  .contact {
    grid-template-columns: 1fr;
  }

  .about-image {
    height: 50vh;
    position: relative;
  }

  .about-content,
  .contact-info,
  .contact-form-wrapper {
    padding: var(--space-lg) var(--space-md);
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 2rem;
    --space-xl: 4rem;
  }

  .slide-caption {
    bottom: calc(var(--space-xl) + var(--space-lg));
    left: var(--space-md);
  }

  .slider-controls {
    right: var(--space-md);
    bottom: 100px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  /* Landscape images span 1 column on mobile */
  .gallery-item.landscape {
    grid-column: span 1;
  }

  .footer {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* ========================================
   UTILITIES
   ======================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Placeholder images - remove in production */
.slide,
.gallery-item,
.about-image {
  background-color: var(--bg-tertiary);
}