/* ===== Design Tokens (Light — default) ===== */
:root {
  --color-bg: #fdf6f0;
  --color-bg-alt: #f5ece4;
  --color-text: #3d3d3d;
  --color-text-muted: #7a7a7a;
  --color-accent: #c4a7e7;
  --color-accent-hover: #b08fd6;
  --color-border: #e8ddd4;
  --color-white: #ffffff;
  --color-card-bg: #ffffff;
  --color-shadow: rgba(0,0,0,0.06);
  --color-shadow-hover: rgba(0,0,0,0.12);

  --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: 'Georgia', serif;
  --font-title: ui-serif, 'Iowan Old Style', 'Charter', 'Palatino Linotype', Palatino, Georgia, serif;

  --max-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;

  --radius: 8px;
  --shadow: 0 2px 12px var(--color-shadow);
  --shadow-hover: 0 8px 24px var(--color-shadow-hover);

  --transition-speed: 0.25s;
}

/* ===== Design Tokens (Dark) ===== */
:root[data-theme="dark"] {
  --color-bg: #1a1a2e;
  --color-bg-alt: #16213e;
  --color-text: #e0e0e0;
  --color-text-muted: #a0a0b0;
  --color-accent: #d4b8f0;
  --color-accent-hover: #c49ee0;
  --color-border: #2a2a4a;
  --color-white: #1e1e3a;
  --color-card-bg: #22223a;
  --color-shadow: rgba(0,0,0,0.3);
  --color-shadow-hover: rgba(0,0,0,0.45);
}

/* System preference fallback (only when no explicit data-theme) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #1a1a2e;
    --color-bg-alt: #16213e;
    --color-text: #e0e0e0;
    --color-text-muted: #a0a0b0;
    --color-accent: #d4b8f0;
    --color-accent-hover: #c49ee0;
    --color-border: #2a2a4a;
    --color-white: #1e1e3a;
    --color-card-bg: #22223a;
    --color-shadow: rgba(0,0,0,0.3);
    --color-shadow-hover: rgba(0,0,0,0.45);
  }
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition-speed), color var(--transition-speed);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent-hover); text-decoration: none; }
a:hover, a:focus-visible { color: var(--color-accent); }

/* ===== Layout Utilities ===== */
.content-width {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

/* ===== Skip Link ===== */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1000;
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 0 0 var(--radius) 0;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

/* ===== Focus Styles ===== */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ===== Header ===== */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background var(--transition-speed), border-color var(--transition-speed);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
}

.site-logo {
  font-family: var(--font-heading);  
  font-size: 1.4rem;
  color: var(--color-text);
  font-weight: 700;
}
.site-logo:hover { color: var(--color-accent-hover); }

.nav-list {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  transition: color 0.2s;
}
.nav-link:hover, .nav-link:focus-visible {
  color: var(--color-accent-hover);
}

/* ===== Banner ===== */
.site-banner {
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-lg);
}

.site-banner__img {
  width: 100%;
  height: auto;
}

/* Banner provides the top-of-page visual, reduce first section top padding slightly */
.site-banner + main .section:first-child {
  padding-top: var(--spacing-lg);
}

/* ===== Sections ===== */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-title {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  letter-spacing: 0.02em;
}

/* ===== Portfolio Gallery ===== */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-sm);
}

.gallery-item {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--color-card-bg);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed), opacity var(--transition-speed);
}
.gallery-item:hover, .gallery-item:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* Progressive enhancement: hidden gallery items (JS adds .gallery--paginated) */
.gallery--paginated .gallery-item[hidden] {
  display: none;
}
.gallery-item.gallery-item--reveal {
  animation: fadeSlideUp 0.35s ease both;
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ===== Shop Cards ===== */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.shop-card {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}
.shop-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.shop-card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.shop-card-body {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  flex: 1;
}

.shop-card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-text);
}

.shop-card-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  flex: 1;
}

.shop-card-link {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius);
  font-weight: 600;
  text-align: center;
  transition: background 0.2s;
}
.shop-card-link:hover, .shop-card-link:focus-visible {
  background: var(--color-accent-hover);
  color: var(--color-white);
}

/* ===== About ===== */
.about-content {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.about-photo {
  width: 280px;
  min-width: 200px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  flex-shrink: 0;
  transition: box-shadow var(--transition-speed);
}
.about-photo:hover {
  box-shadow: var(--shadow-hover);
}

.about-text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text);
}

/* ===== Lightbox ===== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  align-items: center;
  justify-content: center;
}
.lightbox[aria-hidden="false"] {
  display: flex;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
}

.lightbox-body {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  z-index: 1;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: -1rem;
  right: -1rem;
  background: var(--color-white);
  border: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  color: var(--color-text);
  transition: background 0.2s;
}
.lightbox-close:hover, .lightbox-close:focus-visible {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-md);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: background var(--transition-speed), border-color var(--transition-speed), color var(--transition-speed);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-xs);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  .nav-list {
    gap: var(--spacing-sm);
  }
  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-xs);
  }
  .section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  .section-title {
    font-size: 1.8rem;
  }
  .about-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .about-photo {
    width: 200px;
    min-width: auto;
  }
  .theme-toggle {
    padding: 0.3rem 0.6rem;
    font-size: 1rem;
  }
}

/* ===== Animations ===== */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Section entrance animation */
.section {
  animation: fadeIn 0.5s ease both;
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ===== Shared Button Styles ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  border: 2px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
}
.btn:hover, .btn:focus-visible {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ===== Theme Toggle ===== */
.theme-toggle {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  font-size: 1.1rem;
  cursor: pointer;
  transition: background var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
  line-height: 1;
}
.theme-toggle:hover, .theme-toggle:focus-visible {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

/* ===== Load More Button ===== */
.gallery-controls {
  text-align: center;
  margin-top: var(--spacing-md);
}
.load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  border: 2px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  padding: var(--spacing-xs) var(--spacing-lg);
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
}
.load-more-btn:hover, .load-more-btn:focus-visible {
  background: var(--color-accent);
  color: var(--color-white);
}