:root {
  --color-bg: #f7f8fb;
  --color-surface: #ffffff;
  --color-surface-muted: #eef2f8;
  --color-elevated: rgba(255, 255, 255, 0.85);
  --color-text: #1b2430;
  --color-text-muted: #475467;
  --color-inverse: #f8fafc;
  --color-accent: #2563eb;
  --color-accent-soft: rgba(37, 99, 235, 0.12);
  --color-border: rgba(15, 23, 42, 0.12);
  --color-border-strong: rgba(15, 23, 42, 0.24);
  --shadow-sm: 0 8px 20px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 16px 40px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 28px 60px rgba(15, 23, 42, 0.20);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 220ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 320ms cubic-bezier(0.33, 1, 0.68, 1);
  --focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.35);
  --reveal-distance: 12px;
  --reveal-duration: 220ms;
  --max-content-width: 1100px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f172a;
    --color-surface: #182034;
    --color-surface-muted: #1f2a44;
    --color-elevated: rgba(15, 23, 42, 0.85);
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-inverse: #0f172a;
    --color-accent: #7dd3fc;
    --color-accent-soft: rgba(125, 211, 252, 0.18);
    --color-border: rgba(148, 163, 184, 0.14);
    --color-border-strong: rgba(148, 163, 184, 0.28);
    --shadow-sm: 0 10px 20px rgba(2, 6, 23, 0.3);
    --shadow-md: 0 18px 40px rgba(2, 6, 23, 0.38);
    --shadow-lg: 0 28px 66px rgba(2, 6, 23, 0.45);
  }
}

html[data-theme='dark'],
body[data-theme='dark'] {
  --color-bg: #0f172a;
  --color-surface: #182034;
  --color-surface-muted: #1f2a44;
  --color-elevated: rgba(15, 23, 42, 0.85);
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-inverse: #0f172a;
  --color-accent: #7dd3fc;
  --color-accent-soft: rgba(125, 211, 252, 0.18);
  --color-border: rgba(148, 163, 184, 0.14);
  --color-border-strong: rgba(148, 163, 184, 0.28);
  --shadow-sm: 0 10px 20px rgba(2, 6, 23, 0.3);
  --shadow-md: 0 18px 40px rgba(2, 6, 23, 0.38);
  --shadow-lg: 0 28px 66px rgba(2, 6, 23, 0.45);
}

body:not(.admin) {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  line-height: 1.6;
  transition: background-color var(--transition-medium), color var(--transition-medium);
}

body.nav-open {
  overflow: hidden;
}

body.lightbox-open {
  overflow: hidden;
}

a {
  color: var(--color-accent);
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover,
a:focus {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: rgba(37, 99, 235, 0.3);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  box-shadow: var(--focus-ring);
  border-radius: 6px;
}

button,
.btn,
input,
textarea,
select {
  font-family: inherit;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast), background-color var(--transition-fast);
}

.btn,
button,
.nav-toggle,
.theme-toggle {
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transform: translate3d(0, 0, 0);
}

.btn-primary,
button.btn-primary {
  background: var(--color-accent);
  color: var(--color-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-1px) scale(1.02);
  box-shadow: var(--shadow-md);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  background: var(--color-surface-muted);
  color: var(--color-text);
  border-color: transparent;
  box-shadow: inset 0 0 0 1px var(--color-border);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}


.site-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-controls nav {
  display: block;
}

.theme-toggle__icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle__icon--moon {
  display: none;
}

html[data-theme='dark'] .theme-toggle__icon--sun {
  display: none;
}

html[data-theme='dark'] .theme-toggle__icon--moon {
  display: inline-flex;
}

@media (max-width: 960px) {
  .site-controls {
    gap: 0.75rem;
  }

  .site-controls .theme-toggle {
    order: 1;
  }

  .site-controls .primary-nav {
    order: 2;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  backdrop-filter: blur(18px);
  background: var(--color-elevated);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-1) var(--space-2);
  transition: background-color var(--transition-medium), border-color var(--transition-medium), box-shadow var(--transition-medium);
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  font-weight: 700;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav a {
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a.active {
  color: var(--color-text);
}

.primary-nav a::after {
  content: "";
  display: block;
  height: 2px;
  background: var(--color-accent);
  border-radius: 999px;
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after,
.primary-nav a.active::after {
  transform: scaleX(1);
}

@media (max-width: 960px) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    position: fixed;
    inset: 0 0 auto;
    top: var(--header-h, 72px);
    padding: var(--space-2);
    background: var(--color-elevated);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
  }

  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .primary-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

.site-main {
  padding: var(--space-3) 0 var(--space-5);
}

.page-header {
  max-width: var(--max-content-width);
  margin: 0 auto var(--space-4);
  padding: 0 var(--space-2);
}

.page-header h1 {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.page-header .page-lead {
  color: var(--color-text-muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  max-width: 60ch;
}

.hero-photo {
  position: relative;
  max-width: var(--max-content-width);
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-photo picture,
.hero-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  transition: transform var(--transition-slow), filter var(--transition-slow);
}

.hero-photo__link:hover picture,
.hero-photo__link:focus-visible picture {
  transform: scale(1.02);
}

.scroll-cue {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  background: var(--color-elevated);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.scroll-cue:hover,
.scroll-cue:focus-visible {
  transform: translateY(-4px);
  background: var(--color-accent);
  color: var(--color-inverse);
}

.masonry-section {
  padding: 0 var(--space-2);
}

.masonry-grid {
  max-width: var(--max-content-width);
  margin: 0 auto;
  display: grid;
  gap: var(--masonry-gap, 1.25rem);
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  grid-auto-rows: var(--masonry-row, 8px);
  grid-auto-flow: row dense;
}

.masonry-item {
  position: relative;
  display: block;
  grid-row-end: span var(--masonry-item-span, 1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--color-surface);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.masonry-item:hover,
.masonry-item:focus-visible {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-md);
}

.masonry-item picture,
.masonry-item img {
  display: block;
  width: 100%;

  aspect-ratio: var(--media-aspect, 3 / 2);
}

.masonry-item img {
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-medium), filter var(--transition-medium);

  aspect-ratio: var(--media-aspect, 3 / 2);
}


img[data-lqip] {
  opacity: 0;
  transition: opacity var(--transition-medium);
}

img[data-lqip].is-loaded {
  opacity: 1;
}

html.reveal-ready .will-reveal {
  opacity: 0;
  transform: translateY(var(--reveal-distance));
  transition: opacity var(--reveal-duration, 220ms) ease, transform var(--reveal-duration, 220ms) ease;
}

.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

html.is-transitioning body:not(.admin) {
  opacity: 0;
  transition: opacity var(--transition-medium);
}

html.is-fade-ready body:not(.admin) {
  opacity: 1;
  transition: opacity var(--transition-medium);
}


.lightbox {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(15, 23, 42, 0.74);
  backdrop-filter: blur(20px);
  padding: var(--space-2);
  z-index: 140;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

.lightbox.is-active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox:not([hidden]) {
  display: grid;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  cursor: zoom-out;
}

.lightbox__dialog {
  position: relative;
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  max-width: min(92vw, 1080px);
  width: 100%;
  padding: clamp(1rem, 3vw, 1.75rem);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 2vw, 1.25rem);
}

.lightbox__figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 2vw, 1.25rem);
  align-items: center;
}

.lightbox__img {
  width: 100%;
  max-height: min(78vh, 760px);
  object-fit: contain;
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.lightbox__img.is-visible {
  opacity: 1;
}

.lightbox__caption {
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.lightbox__close {
  align-self: flex-end;
  background: var(--color-surface-muted);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.lightbox__close:hover,
.lightbox__close:focus-visible {
  background: var(--color-accent);
  color: var(--color-inverse);
}

@media (max-width: 720px) {
  .site-main {
    padding-top: var(--space-2);
  }

  .masonry-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
  }

  .lightbox__dialog {
    padding: var(--space-1);
    border-radius: var(--radius-md);
  }
}

[data-theme-toggle] svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 720px) {
  .site-main {
    padding-top: var(--space-2);
  }

  .masonry-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
  }

  .lightbox__dialog {
    padding: var(--space-1);
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal],
  .will-reveal,
  .is-revealed {
    opacity: 1;
    transform: none;
  }

  html.is-transitioning body:not(.admin),
  html.is-fade-ready body:not(.admin) {
    opacity: 1;
  }
}