@font-face {
  font-family: "ALT Riviera";
  src: url("./fonts/ALT%20Riviera%20-%20TRIAL/ALTRiviera-Regular.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "ALT Riviera";
  src: url("./fonts/ALT%20Riviera%20-%20TRIAL/ALTRiviera-Italic.otf") format("opentype");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

/* SITE SETTINGS — edit the shared palette, typography and spacing here.
   Responsive values live here too; media queries only rearrange the layout. */
:root {
  /* Type palette: ALT Riviera for headings and navigation, Georgia for reading. */
  --font-primary: "ALT Riviera", Arial, Helvetica, sans-serif;
  --font-body: Georgia, "Times New Roman", serif;
  --font-weight: 400;
  --font-size-copy: clamp(17px, calc(16px + 0.14vw), 18px);
  --font-size-label: var(--font-size-copy);
  --font-size-heading: clamp(24px, 1.25rem + 0.35vw, 30px);
  --font-size-heading-sm: var(--font-size-copy);
  --font-size-subtitle: var(--font-size-copy);
  --font-size-carousel-button: 32px;
  --line-height-base: 1.1;
  --line-height-heading: 1.05;
  --line-height-copy: 1.35;
  --letter-spacing: 0;
  --copy-letter-spacing: 0;
  --font-kerning: normal;
  --font-ligatures: common-ligatures;
  --copy-wrap: pretty;
  --heading-wrap: balance;
  --copy-measure: 64ch;
  --paragraph-gap: 0.875em;
  --title-gap: 6px;
  --subtitle-gap: 0px;

  /* Shared colour palette and hover colours. */
  --color-black: #000;
  --color-background: var(--color-black);
  --color-surface: #fff;
  --color-text: #fff;
  --color-text-inverse: var(--color-black);
  --color-muted: rgba(0, 0, 0, 0.58);
  --gradient-amy-vertical: linear-gradient(180deg, #f6f08b 0%, #f6f08b 18%, #fff 54%, #4fc7bf 100%);
  --gradient-editorial-vertical: linear-gradient(180deg, #5fbd43 0%, #fff 52%, #c8c4ee 100%);
  --gradient-web-vertical: linear-gradient(180deg, #f25a3f 0%, #fff 48%, #6bcbd0 100%);

  /* Layout and spacing. */
  --menu-width: 40px;
  --menu-panel-width: var(--menu-width);
  --menu-fold-depth: 800px;
  --menu-label-inset: 16px;
  --menu-gap: 0px;
  --menu-inset: clamp(6px, 0.9vw, 8px);
  --menu-button-padding: 10px 4px;
  --border-width: 1px;
  --space-md: 18px;
  --control-size: 64px;
  --project-caption-height: var(--project-folio-height);
  --project-caption-gap: 16px;
  --project-caption-padding: 4px 16px;
  --project-details-max-height: calc(100svh - var(--project-folio-height) - var(--project-caption-height) - 48px);
  --project-sheet-padding: 20px 24px 28px;
  --project-sheet-padding-mobile: 16px 16px 24px;
  --project-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  --project-gap: 5px 22px;
  --project-gap-mobile: var(--paragraph-gap);
  --project-folio-height: 40px;
  --project-folio-inset: 24px;
  --project-folio-gap: 12px;
  --project-folio-arrow-size: 1.25em;
  --project-folio-arrow-offset: -0.06em;
  --colophon-width: 250px;
  --colophon-inset: clamp(12px, 1.2vw, 16px);
  --colophon-padding: 16px;
  --colophon-gap: var(--paragraph-gap);
  --gallery-meta-padding: 8px 12px;
  --gallery-meta-gap: 12px;
  --gallery-caption-measure: 44ch;
  --home-image-scale: 1.9;
  --home-image-interval: 5000ms;
  --home-image-scale-tablet: 1.65;
  --home-image-scale-mobile: 1.5;

  /* Effects. */
  --shadow-text: 0 0 12px rgba(0, 0, 0, 0.35);
  --transition-fast: 160ms ease;
  --transition-gallery: 220ms ease;
  --transition-panel: 220ms ease;
  --transition-opacity: 180ms ease;

  /* Utility controls and retained website previews. */
  --focus-width: 2px;
  --focus-offset: 3px;
  --utility-inset: 16px;
  --utility-inset-mobile: 10px;
  --skip-padding: 10px 14px;
  --preview-radius: 14px 14px 0 0;
  --preview-message-width: 24ch;
  --preview-message-padding: 24px;
  --preview-bar-height: 38px;
  --preview-bar-padding: 0 14px;
  --preview-bar-background: linear-gradient(180deg, #f8f9fa 0%, #e6e9ec 100%);
  --preview-bar-border: var(--border-width) solid var(--color-black);
  --preview-dot-size: 9px;
  --preview-dot-red: #ff5f57;
  --preview-dot-yellow: #febc2e;
  --preview-dot-green: #28c840;
  --preview-frame-size: 132%;
  --preview-frame-scale: 0.755;
  --hover-lift: -1px;
  --scene-depth: 2200px;

}

/* One shared typographic hierarchy for every page. */
body, button, input, textarea, select {
  font-family: var(--font-primary);
  font-size: var(--font-size-label);
  font-weight: var(--font-weight);
  line-height: var(--line-height-base);
  letter-spacing: var(--letter-spacing);
  font-kerning: var(--font-kerning);
  font-variant-ligatures: var(--font-ligatures);
}

h1, h2 {
  font-family: var(--font-primary);
  font-size: var(--font-size-heading);
  font-weight: var(--font-weight);
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing);
  text-wrap: var(--heading-wrap);
}

.project-text, .subtitle, .website-mobile-message {
  font-family: var(--font-body);
  font-size: var(--font-size-copy);
  line-height: var(--line-height-copy);
  letter-spacing: var(--copy-letter-spacing);
  text-wrap: var(--copy-wrap);
}

.subtitle { font-size: var(--font-size-subtitle); }
.image-carousel-button { font-size: var(--font-size-carousel-button); }
.nav-label { font: inherit; }

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

html,
body {
  width: 100%;
  min-height: 100%;
}

body,
h1,
h2,
p {
  margin: 0;
}

body {
  background: var(--color-surface);
  color: var(--color-text);
  overflow: hidden;
}

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

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: var(--focus-width) solid currentColor;
  outline-offset: var(--focus-offset);
}

.skip-link {
  position: absolute;
  top: var(--utility-inset);
  left: var(--utility-inset);
  z-index: 100;
  padding: var(--skip-padding);
  background: var(--color-background);
  color: var(--color-text);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--transition-fast);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.home-page {
  overflow: hidden;
}

.book-colophon {
  position: fixed;
  right: var(--colophon-inset);
  bottom: var(--colophon-inset);
  z-index: 30;
  width: min(var(--colophon-width), calc(100vw - var(--menu-width) - 2 * var(--colophon-inset)));
  padding: var(--colophon-padding);
  display: grid;
  gap: var(--colophon-gap);
  background: transparent;
  color: var(--color-text-inverse);
  font-family: var(--font-body);
  font-size: var(--font-size-copy);
  line-height: var(--line-height-copy);
  letter-spacing: var(--copy-letter-spacing);
}

.book-colophon h2 {
  font-family: var(--font-primary);
  font-size: inherit;
  line-height: inherit;
  text-wrap: pretty;
}

.book-colophon p {
  font-family: var(--font-body);
  text-wrap: var(--copy-wrap);
}

.book-colophon a {
  text-underline-offset: 0.15em;
}

.book-colophon footer {
  font-family: var(--font-primary);
}

.home-layout {
  position: fixed;
  top: 0;
  left: calc(var(--menu-width) + var(--menu-gap));
  display: block;
  width: calc(100vw - var(--menu-width) - var(--menu-gap));
  height: 100dvh;
  background: var(--color-background);
}

.home-gallery {
  height: 100dvh;
  overflow: hidden;
  border: var(--border-width) solid var(--color-black);
  border-top: 0;
  border-left: 0;
  border-bottom: 0;
}

.home-gallery-stage {
  position: relative;
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  cursor: pointer;
}

.home-gallery-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(var(--home-image-scale));
  transition: opacity var(--transition-gallery);
}

.gallery-meta {
  position: absolute;
  bottom: var(--utility-inset);
  left: var(--utility-inset);
  z-index: 7;
  display: flex;
  align-items: baseline;
  gap: var(--gallery-meta-gap);
  max-width: calc(100% - 2 * var(--utility-inset));
  padding: var(--gallery-meta-padding);
  border: var(--border-width) solid var(--color-black);
  background: var(--color-surface);
  color: var(--color-text-inverse);
  pointer-events: none;
}

.gallery-position {
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.gallery-caption {
  max-inline-size: var(--gallery-caption-measure);
  line-height: var(--line-height-copy);
}

.left-menu {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  width: var(--menu-width);
  height: 100dvh;
  border-right: var(--border-width) solid var(--color-black);
  background: var(--color-surface);
  transition: background var(--transition-panel);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  height: 100%;
  padding: var(--menu-label-inset) 0;
  border: 0;
  color: var(--color-text-inverse);
  background: var(--color-surface);
  cursor: pointer;
  transition: background var(--transition-panel), color var(--transition-panel);
}

.menu-toggle-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.left-menu.is-open {
  background: var(--color-surface);
}

.left-menu.is-open .menu-toggle {
  color: var(--color-text-inverse);
  background: var(--color-surface);
}

.menu-toggle:focus-visible {
  outline-offset: calc(-1 * var(--focus-offset) - var(--focus-width));
}

.menu-links {
  position: absolute;
  inset: 0 auto 0 100%;
  display: grid;
  grid-auto-rows: minmax(0, 1fr);
  width: min(var(--menu-panel-width), calc(100vw - var(--menu-width)));
  height: 100%;
  border: var(--border-width) solid var(--color-black);
  background: var(--color-surface);
  transform: perspective(var(--menu-fold-depth)) rotateY(-90deg);
  transform-origin: left center;
  visibility: hidden;
  transition: transform var(--transition-panel), visibility var(--transition-panel);
}

.left-menu.is-open .menu-links {
  visibility: visible;
  transform: perspective(var(--menu-fold-depth)) rotateY(0deg);
}

.menu-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: var(--menu-button-padding);
  border: 0;
  color: var(--color-text-inverse);
  background: var(--color-surface);
  text-decoration: none;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.menu-pill + .menu-pill {
  border-bottom: var(--border-width) solid var(--color-black);
}

.menu-pill:focus-visible {
  outline-offset: calc(-1 * var(--focus-offset) - var(--focus-width));
}

.menu-pill-web {
  display: none;
}

.book-page {
  position: fixed;
  top: 0;
  left: calc(var(--menu-width) + var(--menu-gap));
  display: block;
  width: calc(100vw - var(--menu-width) - var(--menu-gap));
  height: 100dvh;

  overflow-x: hidden;
  overflow-y: hidden;
  scrollbar-width: none;
  background: var(--color-background);
  perspective: var(--scene-depth);
  perspective-origin: center center;
}

.book-page::-webkit-scrollbar {
  display: none;
}

.image-column {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  height: calc(100% - var(--project-caption-height) - var(--project-folio-height));
  overflow: hidden;
  background: var(--color-black);
  border: var(--border-width) solid var(--color-black);
  border-top: 0;
  border-bottom: 0;
  border-left: 0;
  border-right: 0;
}

.image-scroll {
  display: flex;
  width: 100%;
  height: 100%;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.image-scroll::-webkit-scrollbar {
  display: none;
}

.image-scroll img {
  flex-shrink: 0;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.coming-soon-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  text-align: center;
}

.website-column {
  display: flex;
  align-items: stretch;
  padding: 0;
}

.website-preview-shell {
  display: flex;
  align-items: stretch;
  overflow: hidden;
  width: 100%;
  height: 100%;
  background: var(--color-surface);
}

.website-preview {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--color-surface);
  border-radius: var(--preview-radius);
}

.website-mobile-message {
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  max-width: var(--preview-message-width);
  margin: 0 auto;
  padding: var(--preview-message-padding);
  color: var(--color-text);
  text-align: center;
}

.website-preview-bar {
  display: flex;
  align-items: center;
  gap: var(--menu-inset);
  min-height: var(--preview-bar-height);
  padding: var(--preview-bar-padding);
  background: var(--preview-bar-background);
  border-bottom: var(--preview-bar-border);
  border-radius: var(--preview-radius);
}

.website-preview-bar span {
  width: var(--preview-dot-size);
  height: var(--preview-dot-size);
  border-radius: 50%;
}

.website-preview-bar span:nth-child(1) {
  background: var(--preview-dot-red);
}

.website-preview-bar span:nth-child(2) {
  background: var(--preview-dot-yellow);
}

.website-preview-bar span:nth-child(3) {
  background: var(--preview-dot-green);
}

.website-frame {
  flex: 1;
  width: 100%;
  min-height: 0;
  border: 0;
  background: var(--color-surface);
}

.website-frame-fit {
  flex: 1;
  overflow: hidden;
  background: var(--color-surface);
}

.website-frame-project-02 {
  width: var(--preview-frame-size);
  height: var(--preview-frame-size);
  transform: scale(var(--preview-frame-scale));
  transform-origin: top left;
}

.image-carousel-button,
.nav-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--control-size);
  height: var(--control-size);
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.image-carousel-button {
  position: absolute;
  top: 50%;
  z-index: 6;
  transform: translateY(-50%);
  color: var(--color-text);
  text-shadow: var(--shadow-text);
}

.image-prev {
  left: var(--space-md);
}

.image-next {
  right: var(--space-md);
}

.image-carousel-button:focus-visible {
  outline-color: var(--color-text);
}

.text-column {
  position: absolute;
  bottom: var(--project-folio-height);
  left: 0;
  right: 0;
  z-index: 10;
  background: var(--color-surface);
  color: var(--color-text-inverse);
}

.project-details-toggle {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  align-content: center;
  align-items: baseline;
  gap: var(--project-caption-gap);
  width: 100%;
  height: var(--project-caption-height);
  padding: var(--project-caption-padding);
  border: 0;
  border-top: var(--border-width) solid var(--color-black);
  background: var(--color-surface);
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.project-caption-number {
  line-height: var(--line-height-copy);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.project-caption-text {
  display: flex;
  align-items: baseline;
  gap: 0.35em;
  min-width: 0;
  max-inline-size: var(--copy-measure);
  line-height: var(--line-height-copy);
}

.project-caption-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-caption-year {
  flex-shrink: 0;
  white-space: nowrap;
}

.project-details-toggle:focus-visible {
  outline-offset: calc(-1 * var(--focus-offset) - var(--focus-width));
}

.project-details {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  transition: grid-template-rows var(--transition-panel), visibility var(--transition-panel);
}

.text-column.is-open .project-details {
  grid-template-rows: 1fr;
  visibility: visible;
}

.project-details-clip {
  min-height: 0;
  overflow: hidden;
}

.project-details-content {
  display: grid;
  grid-template-columns: var(--project-columns);
  gap: var(--project-gap);
  max-height: var(--project-details-max-height);
  padding: var(--project-sheet-padding);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.project-folio {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 11;
  height: var(--project-folio-height);
  background: var(--color-surface);
}

.text-left,
.text-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-width: 0;
}

.nav-prev {
  left: 0;
  justify-content: flex-start;
}

.text-left {
  grid-column: 1;
}

.text-right {
  grid-column: 2;
}

.nav-next {
  right: 0;
  justify-content: flex-end;
}

h1 {
  margin-bottom: var(--title-gap);
  overflow-wrap: break-word;
}

.subtitle {
  margin-bottom: var(--subtitle-gap);
}

.project-text p + p {
  margin-top: var(--paragraph-gap);
}

.project-text {
  max-inline-size: var(--copy-measure);
}

.nav-arrow {
  position: absolute;
  bottom: 0;
  z-index: 2;
  gap: var(--project-folio-gap);
  width: 50%;
  height: var(--project-folio-height);
  padding: 0 var(--project-folio-inset);
  border: 0;
  border-top: var(--border-width) solid var(--color-black);
  background: var(--color-surface);
  color: var(--color-text-inverse);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-symbol {
  display: inline-flex;
  flex-shrink: 0;
  width: var(--project-folio-arrow-size);
  height: 1em;
  transform: translateY(var(--project-folio-arrow-offset));
}

.nav-symbol svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.25;
}

.nav-next .nav-symbol {
  order: 1;
}

.nav-arrow:focus-visible {
  outline-offset: calc(-1 * var(--focus-offset) - var(--focus-width));
}

@media (max-width: 900px) {

  body,
  .home-page {
    overflow: auto;
  }

  .left-menu {
    height: 100svh;
  }

  .home-layout {
    position: relative;
    left: var(--menu-width);
    width: calc(100vw - var(--menu-width) - var(--menu-gap));
    height: auto;
    min-height: 100dvh;
  }

  .home-gallery {
    height: 100dvh;
  }

  .home-gallery-image {
    transform: scale(var(--home-image-scale-tablet));
  }

  .book-page {
    height: 100svh;
  }

  .image-scroll img {
    width: auto;
    max-width: none;
  }

  .website-column {
    padding: 0;
  }

  .website-preview-shell {
    background: transparent;
  }

  .website-preview {
    display: none;
  }

  .website-mobile-message {
    display: flex;
  }


  .project-details-content {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--project-gap-mobile);
    padding: var(--project-sheet-padding-mobile);
  }

  .project-details-content .text-left,
  .project-details-content .text-right {
    grid-column: 1;
  }

  .skip-link {
    top: var(--utility-inset-mobile);
    left: var(--utility-inset-mobile);
  }

}

@media (max-width: 520px) {
  .home-gallery-stage .gallery-meta {
    top: var(--utility-inset);
    bottom: auto;
  }

  .home-gallery-image {
    transform: scale(var(--home-image-scale-mobile));
  }

}

@media (hover: hover) {
  .menu-pill:hover,
  .nav-arrow:hover {
    background: var(--color-black);
    color: var(--color-text);
  }
}

@media (prefers-reduced-motion: reduce) {
  .menu-links, .menu-toggle, .left-menu, .project-details {
    transition: none;
  }
}