*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #fbfbfb;
  --bg-rgb: 251, 251, 251;
  --text: #000;
  --text-muted: #999;
  --header-height: 72px;
  --footer-height: 52px;
  --side-padding: clamp(16px, 4vw, 32px);
  --font-sans: "akzidenz-grotesk-next-pro", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  --font-logo: "akzidenz-grotesk-next-pro", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  --overlay-opacity: 0.82;
  --ui-size: 10px;
  --ui-weight: 400;
  --ui-tracking: 0.05em;
  --logo-size: clamp(18px, 2.5vw, 24px);
  --logo-weight: 400;
  --logo-tracking: 0.08em;
  --grain-image: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html,
body {
  height: 100%;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  background-image: var(--grain-image);
  background-repeat: repeat;
  background-size: var(--grain-size);
  color: var(--text);
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Header */
.site-header {
  position: relative;
  z-index: 30;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  min-height: var(--header-height);
  padding: clamp(20px, 4vw, 28px) var(--side-padding) clamp(12px, 2vw, 20px);
  background: transparent;
}

.nav-right {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: clamp(16px, 3vw, 28px);
}

.nav-link {
  font-family: var(--font-sans);
  font-size: var(--ui-size);
  font-weight: var(--ui-weight);
  letter-spacing: var(--ui-tracking);
  text-transform: uppercase;
  line-height: 1;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text-muted);
}

.nav-link.is-active {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.site-title {
  position: absolute;
  left: 50%;
  top: clamp(20px, 4vw, 28px);
  transform: translateX(-50%);
  margin: 0;
  font-family: var(--font-logo);
  font-size: var(--logo-size);
  font-weight: var(--logo-weight);
  letter-spacing: var(--logo-tracking);
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
}

.site-title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-title a:hover,
.site-title a:focus-visible {
  color: var(--text-muted);
}

/* Main carousel area */
.carousel-main {
  position: relative;
  z-index: 1;
  min-height: 0;
  overflow: hidden;
}

.image-stage {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  padding: clamp(8px, 2vw, 24px) var(--side-padding);
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
}

.carousel-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.viewfinder-flash {
  position: absolute;
  inset: 0;
  z-index: 4;
  background: var(--bg);
  opacity: 0;
  pointer-events: none;
  transition: none;
}

.carousel-image {
  display: block;
  max-width: 84%;
  max-height: 84%;
  width: auto;
  height: auto;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
}

.click-zone {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  z-index: 2;
  border: none;
  background: transparent;
  padding: 0;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
  tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  user-select: none;
  touch-action: manipulation;
  cursor: pointer;
}

.click-zone:active,
.click-zone:focus,
.click-zone:focus-visible {
  background: transparent;
  outline: none;
  box-shadow: none;
}

.click-zone-left {
  left: 0;
  cursor: w-resize;
}

.click-zone-right {
  right: 0;
  cursor: e-resize;
}

/* Footer — Tony Tran style */
.site-footer {
  position: relative;
  z-index: 30;
  min-height: var(--footer-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  padding: clamp(12px, 2.5vw, 18px) var(--side-padding);
  background: transparent;
}

.image-title {
  justify-self: start;
  font-size: var(--ui-size);
  font-weight: var(--ui-weight);
  letter-spacing: var(--ui-tracking);
  text-transform: uppercase;
  line-height: 1;
  min-height: 1em;
  transition: opacity 0.25s ease;
}

.footer-center {
  grid-column: 2;
  justify-self: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.pagination {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--ui-size);
  font-weight: var(--ui-weight);
  letter-spacing: var(--ui-tracking);
  text-transform: uppercase;
  line-height: 1;
  transition: opacity 0.25s ease;
}

.footer-copyright {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--ui-size);
  font-weight: var(--ui-weight);
  letter-spacing: var(--ui-tracking);
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.nav-arrow {
  transition: color 0.2s ease;
}

.nav-arrow:hover,
.nav-arrow:focus-visible {
  color: var(--text-muted);
}

.nav-arrow:disabled {
  opacity: 0.35;
  cursor: default;
}

.image-counter {
  white-space: nowrap;
}

.view-all-btn {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--ui-size);
  font-weight: var(--ui-weight);
  letter-spacing: var(--ui-tracking);
  text-transform: uppercase;
  line-height: 1;
  transition: color 0.25s ease, opacity 0.25s ease;
}

.view-all-btn__icon {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  color: currentColor;
}

.view-all-btn__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.view-all-btn__icon--close {
  display: none;
}

.view-all-btn.is-close .view-all-btn__icon--grid {
  display: none;
}

.view-all-btn.is-close .view-all-btn__icon--close {
  display: block;
}

.view-all-btn:hover,
.view-all-btn:focus-visible {
  color: var(--text-muted);
}

/* Page overlays */
.page-overlay {
  position: fixed;
  top: var(--header-offset, 72px);
  right: 0;
  bottom: var(--footer-offset, 52px);
  left: 0;
  z-index: 15;
  background-color: rgba(var(--bg-rgb), var(--overlay-opacity));
  background-image: var(--grain-image);
  background-repeat: repeat;
  background-size: var(--grain-size);
  overflow-y: auto;
  overscroll-behavior: contain;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.page-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.portfolio-overlay {
  /* inherits page-overlay */
}

.contact-overlay {
  background-color: var(--bg);
  background-image: var(--grain-image);
  background-repeat: repeat;
  background-size: var(--grain-size);
}

.overlay-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 120px), 1fr));
  gap: clamp(8px, 1.5vw, 16px);
  width: 100%;
  padding: 0 var(--side-padding) clamp(12px, 2vw, 24px);
}

.overlay-item {
  display: block;
  width: 100%;
  border: none;
  padding: 0;
  background: transparent;
  cursor: pointer;
}

.overlay-item img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: opacity 0.2s ease;
}

.overlay-item:hover img,
.overlay-item:focus-visible img {
  opacity: 0.75;
}

body.overlay-open {
  overflow: hidden;
}

body.overlay-open .image-title,
body.overlay-open .pagination {
  opacity: calc(1 - var(--overlay-opacity));
  pointer-events: none;
}

body.contact-overlay-open .pagination {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

body.contact-overlay-open .image-title {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

body.contact-overlay-open .footer-copyright {
  opacity: 1;
  visibility: visible;
}

.contact-overlay .contact-content {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -100%);
  width: 100%;
  max-width: 540px;
  padding: 0 var(--side-padding);
  text-align: center;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: var(--ui-weight);
  letter-spacing: 0.04em;
  line-height: 1.65;
}

.contact-intro {
  margin-bottom: clamp(36px, 7vh, 64px);
}

.contact-block + .contact-block {
  margin-top: clamp(28px, 5vh, 48px);
}

.contact-label {
  display: block;
  margin-bottom: 10px;
}

.contact-link {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.2s ease;
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .site-header {
    min-height: auto;
  }

  .site-title {
    top: clamp(20px, 4vw, 28px);
  }

  .nav-right {
    gap: clamp(12px, 3vw, 20px);
  }

  .site-footer {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  }

  .image-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
  }
}

@media (max-height: 500px) and (orientation: landscape) {
  :root {
    --header-height: 56px;
    --footer-height: 44px;
  }

  .site-header {
    padding-top: 12px;
    padding-bottom: 8px;
  }

  .site-title {
    top: 12px;
  }

  .image-stage {
    padding-top: 4px;
    padding-bottom: 4px;
  }
}