/* --- Custom properties ------------------------------------ */

:root {
  --black: #1a1a18;
  --white: #fafaf7;
  --forest-green: #4a5e45;
  --border-gray: #c5c5c2;

  --gap: clamp(1rem, 1.75vw, 1.75rem);
  --item-margin: calc(var(--gap) / 2);

  --base-card-width: clamp(160px, 18vw, 340px);
  --card-width: var(--base-card-width);
  --dummy-width: var(--card-width);

  --label-font-size: clamp(1.75rem, 3.5vw, 3rem);

}

/* --- Reset ------------------------------------------------ */

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

/* --- Base ------------------------------------------------- */

html {
  font-family: arial, sans-serif;
  background: var(--white);
  color: var(--black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.01em;
  -webkit-tap-highlight-color: transparent;
}

body {
  min-height: 100vh;
  min-height: 100svh;
}

/* --- Landing page ----------------------------------------- */

.landing {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100svh;
  background: var(--white);
  cursor: pointer;
  position: relative;
  text-decoration: none;
}

.landing__name {
  position: relative;
  z-index: 1;
  font-size: var(--label-font-size);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  color: var(--black);
}

#ascii-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* --- Shelf layout ----------------------------------------- */

.shelves {
  display: flex;
  flex-direction: column;
  max-height: 100vh;
  max-height: 100svh;
  padding: var(--item-margin) 0;
}

.shelf {
  position: relative;
  height: var(--shelf-height, clamp(100px, 14vw, 160px));
}

.shelves .shelf {
  flex: 0 1 var(--shelf-height, clamp(100px, 14vw, 160px));
  min-height: 0;
  overflow: hidden;
  overflow: clip; /* clip: visual only, doesn't block child touch-scroll in iOS Safari */
}

body > .shelf {
  margin: var(--item-margin) 0;
}

/* --- Shelf heights — x/10 proportional system ------------- */

.shelf--books   { --shelf-height: calc(var(--base-card-width) * 10 / 10); }     /* 10/10 */
.shelf--leaves  { --shelf-height: calc(var(--base-card-width) * 5 / 10); }      /*  5/10 */
.shelf--work    { --shelf-height: calc(var(--base-card-width) * 8 / 10); }      /*  8/10 */
.shelf--album   { --shelf-height: calc(var(--base-card-width) * 8 / 10); }      /*  8/10 */
.shelf--journal { --shelf-height: calc(var(--base-card-width) * 8 / 10); }      /*  8/10 */
.shelf--contact { --shelf-height: calc(var(--base-card-width) * 5 / 10); }      /*  5/10 */

.shelf__label {
  position: absolute;
  left: calc(var(--gap) + var(--item-margin));
  top: calc(var(--item-margin) * 2);
  z-index: 2;
  font-size: var(--label-font-size);
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  color: var(--black);
  transition: opacity 0.3s ease;
}

.shelf__track {
  position: absolute;
  inset: 0;
  overflow-x: scroll;
  overflow-y: hidden;
  display: flex;
  align-items: center;
  padding-left: var(--gap);
  padding-right: var(--gap);
  gap: var(--gap);
  scrollbar-width: none;
}

.shelf__track::-webkit-scrollbar {
  display: none;
}

/* back-to-main link */
.shelf__home {
  position: absolute;
  right: clamp(1rem, 2vw, 2.5rem);
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  font-size: 3rem;
  text-decoration: none;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.shelf__home:hover {
  opacity: 0.6;
}

/* --- Nav objects (cards) ---------------------------------- */

.card--project {
  flex-shrink: 0;
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--border-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 clamp(0.75rem, 1.25vw, 1.5rem);
  height: calc(100% - var(--item-margin) * 2);
  min-width: var(--card-width);
  text-decoration: none;
  white-space: nowrap;
}

a.card--project,
button.card--project {
  cursor: pointer;
}

a.card--project:hover,
button.card--project:hover {
  opacity: 0.88;
}

address.card--project {
  font-style: normal;
}

.card--dummy {
  order: -2;
  flex-shrink: 0;
  color: inherit;
  background: var(--white);
  border: 1px solid var(--border-gray);
  height: calc(100% - var(--item-margin) * 2);
  min-width: var(--dummy-width);
  position: relative;
  perspective: 800px;
  -webkit-appearance: none;
  appearance: none;
  font: inherit;
}

.card--current {
  order: -1;
  flex-shrink: 0;
  background: var(--white);
  color: var(--black);
  border: 1.5px solid var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 clamp(0.75rem, 1.25vw, 1.5rem);
  height: calc(100% - var(--item-margin) * 2);
  min-width: var(--card-width);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}


/* Image variant — image fills card as background, text floats above */
.card--image {
  position: relative;
  overflow: hidden;
  background: none;
  color: var(--white);
}

.card--image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shelf--leaves .card--project {
  background: var(--forest-green);
}

.shelf--leaves .card--image img {
  display: none;
}


.card--image span {
  position: relative;
  color: var(--black);
}

/* Spine variant — narrow vertical book-on-shelf card */
.card--spine {
  min-width: calc(var(--card-width) / 8);
  max-width: calc(var(--card-width) / 8);
  padding: 0.5rem 0.15rem;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  overflow: hidden;
  font-size: clamp(0.65rem, 0.85vw, 0.85rem);
  justify-content: flex-start;
}

/* --- Dummy card flip -------------------------------------- */

.card--dummy__inner {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform 0.2s ease-in;
}

.shelves .card--dummy { cursor: pointer; }

.card--dummy.is-flipped .card--dummy__inner {
  transform: rotateY(180deg);
}

.card__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.card__face--back {
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  text-align: left;
  padding: clamp(0.4rem, 1.25vw, 1.25rem);
  font-family: arial, sans-serif;
  font-size: clamp(0.6rem, 1.6vw, 0.875rem);
  font-weight: 400;
  gap: clamp(0.25em, 0.5vw, 0.75em);
}

.shelf:has(.card--dummy.is-flipped) .shelf__label {
  opacity: 0;
}

/* --- Journal photo strip ---------------------------------- */

.shelf__track--strip {
  gap: 0;
  padding-left: var(--gap);
}

.shelf__track--strip .card--dummy {
  margin-right: var(--gap);
}

.shelf__photo {
  height: calc(100% - var(--item-margin) * 2);
  width: auto;
  flex-shrink: 0;
  display: block;
  cursor: zoom-in;
}

/* --- Lightbox --------------------------------------------- */

#lightbox {
  border: none;
  outline: none;
  padding: 0;
  background: transparent;
  max-width: 90vw;
  max-height: 90vh;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.18);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

#lightbox::backdrop {
  background: transparent;
  cursor: zoom-out;
}

body.lightbox-open .shelves {
  filter: blur(6px);
  transition: filter 0.1s ease;
}

#lightbox img {
  display: block;
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

/* --- Project page content --------------------------------- */

.project-content {
  --scan-crop: 10vw;
  background: var(--black);
  overflow: hidden;
}

.project-content__image {
  display: block;
  width: 100%;
  height: auto;
  margin-top: calc(-1 * var(--scan-crop));
}

.project-content__image:first-child {
  margin-top: calc(-0.5 * var(--scan-crop));
}

/* --- Desktop overflow — leaves / work / album always scroll */

@media (min-width: 960px) {
  .shelf--leaves,
  .shelf--work,
  .shelf--album {
    --card-width: 28vw;
  }
}

/* --- Reduced motion --------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  /* ascii.js checks this independently and skips animation.
     Nothing else on the site animates — this block is a safety net. */
  * {
    animation: none !important;
    transition: none !important;
  }
}