/* ==========================================================================
   Root Variables & Base Reset (Aligned with Claude's Artifact)
   ========================================================================== */
:root {
    --wall: #2b2d30;
    --paper: #efe6d0;
    --ink: #1d2a5e;
    --book: #3f7bf0;
    --cone: #e8692a;
    --font: 'Special Elite', 'Courier Prime', 'Courier New', monospace;
    
    --bg-color: #12141a;
    --graffiti-blend-name: multiply;
    --graffiti-blend-gengar: hard-light;
    --graffiti-opacity-name: 0.8;
    --graffiti-opacity-gengar: 0.8;
    --graffiti-hover-opacity: 0.92;
    --transition-speed: 0.3s;
    --poster-brightness: 0.29;  /* how dark the HOPE poster sits in the night light (1 = unlit) */
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-color);
    font-family: var(--font);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Homepage Viewport Container
   ========================================================================== */
.homepage-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-color: var(--bg-color);
}

/* Ambient blurred background for non-16:9 viewports */
.ambient-backdrop {
    position: absolute;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
    background: url('assets/home pg/2d/bg.webp') center center / cover no-repeat;
    filter: blur(45px) brightness(0.4);
    transform: scale(1.05);
    z-index: 1;
    pointer-events: none;
    opacity: 0.85;
}

/* ==========================================================================
   16:9 Artwork Stage (Locks positions across any screen size/resolution)
   ========================================================================== */
.artwork-stage {
    position: relative;
    width: min(100vw, calc(100vh * (16 / 9)));
    height: min(100vh, calc(100vw * (9 / 16)));
    aspect-ratio: 16 / 9;
    z-index: 2;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
    opacity: 0;
    animation: fadeInStage 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes fadeInStage {
    from {
        opacity: 0;
        transform: scale(0.99);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Layer 1: Base Wall & Floor Background */
.stage-background {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
    pointer-events: none;
    z-index: 1;
}

/* ==========================================================================
   Layer 2: Graffiti Wall Layer (Painted directly on the wall)
   ========================================================================== */
.graffiti-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    /* No z-index here on purpose: a z-index would create a stacking context and
       the blend modes below would blend against an empty layer instead of the wall. */
}

.graffiti {
    z-index: 5;
    position: absolute;
    pointer-events: auto;
    cursor: pointer;
    user-select: none;
    -webkit-user-drag: none;
    background: transparent;
    border: none;
    padding: 0;
    outline: none;
}

/* 1. Shashwat Jadhav Blue Graffiti Text */
.name-graffiti {
    left: 1.93%;
    top: 5.56%;
    width: 32.78%;
    aspect-ratio: 1 / 1;
    mix-blend-mode: var(--graffiti-blend-name);
}

/* Only the lettering is clickable. The button itself ignores the pointer; its .hit child is
   clipped to the outline of the two words (see #nameHit in index.html). :hover still
   matches the button while the .hit area is hovered, so the glow below keeps working. */
.name-graffiti {
    pointer-events: none;
}

.name-graffiti .hit {
    position: absolute;
    inset: 0;
    pointer-events: auto;
    cursor: pointer;
    -webkit-clip-path: url(#nameHit);
    clip-path: url(#nameHit);
}

.name-graffiti img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    opacity: var(--graffiti-opacity-name);
    filter: contrast(1.1) brightness(0.95);
    transition: filter var(--transition-speed) ease, 
                opacity var(--transition-speed) ease, 
                transform var(--transition-speed) cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* On hover the lettering switches from multiply to hard-light (the same blend Gengar uses), because
   multiply can only darken: it was swallowing the glow. Same brightness boost and a glow of the same strength. */
.name-graffiti:has(.hit:hover) {
    mix-blend-mode: hard-light;
}

.name-graffiti:hover img {
    opacity: var(--graffiti-hover-opacity);
    filter: contrast(1.15) brightness(1.25) drop-shadow(0 0 18px rgba(38, 170, 230, 0.95)) drop-shadow(0 0 6px rgba(38, 170, 230, 0.7));
    transform: scale(1.03);
}

.name-graffiti:focus-visible img {
    opacity: var(--graffiti-hover-opacity);
    filter: contrast(1.15) brightness(1.25) drop-shadow(0 0 18px rgba(38, 170, 230, 0.95)) drop-shadow(0 0 6px rgba(38, 170, 230, 0.7));
    transform: scale(1.03);
}

/* 2. Gengar Pixel Art Graffiti */
.gengar-graffiti {
    /* Centre point and size measured from the placement reference */
    left: 73.70%;
    top: 44.83%;
    width: 14.37%;
    aspect-ratio: 235 / 229;
    transform-origin: 50% 50%;
    /* "Peek" offsets: all zero at rest, set on hover/focus below */
    --peek-x: 0%;
    --peek-y: 0%;
    --peek-r: 0deg;
    --peek-s: 1;
    transform: translate(-50%, -50%)
               translate(var(--peek-x), var(--peek-y))
               rotate(calc(-19deg + var(--peek-r)))
               scale(var(--peek-s));
    mix-blend-mode: var(--graffiti-blend-gengar);
    transition: transform .55s cubic-bezier(.22, 1, .36, 1);
}

.gengar-graffiti img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    opacity: var(--graffiti-opacity-gengar);
    transition: filter var(--transition-speed) ease, 
                opacity var(--transition-speed) ease;
}

/* Peek: on hover / focus Gengar slides a little up and away from behind the HOPE poster, and tilts.
   (These values feed the transform on .gengar-graffiti above. Make them bigger for a bigger peek.) */
.gengar-graffiti:hover,
.gengar-graffiti:focus-visible {
    --peek-x: -9%;
    --peek-y: -7%;
    --peek-r: 3deg;
    --peek-s: 1.05;
}

.gengar-graffiti:hover,
.gengar-graffiti:hover img {
    opacity: var(--graffiti-hover-opacity);
    filter: drop-shadow(0 0 18px rgba(138, 43, 226, 0.85)) brightness(1.25);
}

.gengar-graffiti:focus-visible img {
    opacity: var(--graffiti-hover-opacity);
    filter: drop-shadow(0 0 18px rgba(138, 43, 226, 0.9)) brightness(1.25);
}

/* HOPE poster: pinned above Gengar (z 5) and below the foreground (z 10).
   Position, size and the slight skew were fitted to the placement reference. */
.wall-poster {
    position: absolute;
    left: 79.07%;
    top: 57.57%;
    width: 5.60%;
    aspect-ratio: 500 / 750;
    transform: translate(-50%, -50%) skewX(1.5deg);
    z-index: 6;
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
    filter: brightness(var(--poster-brightness));
}

/* ==========================================================================
   Layer 3: Foreground Layer (Street Lamp & Park Bench in front of the wall)
   ========================================================================== */
.foreground-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.lamp-bench {
    position: absolute;
    left: 30.42%;
    top: 9.17%;
    width: 36.04%;
    aspect-ratio: 1384 / 1732;
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
}

.lamp-bench img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
}

/* Lamp flies, shadows and light flicker: drawn by flies.js. Above the lamp (10), below the hotspots (20). */
.fly-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 11;
}

/* ==========================================================================
   Layer 4: Content Container & Hotspots
   ========================================================================== */
.content-container {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 20;
}

.content-container > * {
    pointer-events: auto;
}

/* Hotspot matching Claude's definition */
.hot {
    position: absolute;
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
    border-radius: 6px;
}

.hot:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 4px;
}

/* Sprite cap: tooltip only */
.cap-hot {
    left: 71.4%;
    top: 72.9%;
    width: 7.2%;
    height: 12.7%;
    border-radius: 50%;
    cursor: default;
    z-index: 25;
}

/* Tooltip-only hotspots on the background art (hover shows the same tooltip as the Sprite cap) */
.tip-hot {
    cursor: default;
    z-index: 25;
}

#decepticonHot { left: 80.5%; top: 0%;    width: 19.5%; height: 36%; border-radius: 50%; }
#killroyHot    { left: 46%;   top: 9.6%;  width: 13.4%; height: 18.3%; }
#numberOneHot  { left: 92.4%; top: 69.5%; width: 6.4%;  height: 15.5%; }
#zoroHot       { left: 8.1%;  top: 51.4%; width: 7%;    height: 14.8%; }
#hopeHot       { left: 76.27%; top: 50.1%; width: 5.6%; height: 14.9%; }

#bookHot {
    left: 23.6%;
    top: 79.6%;
    width: 5.2%;
    height: 11.6%;
    z-index: 25;
}

#bookHot:hover, #bookHot:focus-visible {
    background: rgba(120, 170, 255, .18);
    box-shadow: 0 0 28px 6px rgba(90, 150, 255, .55);
}

/* ==========================================================================
   Overlays (Modals) & Card Zoom Animation (Direct from Claude)
   ========================================================================== */
.ov {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(8, 9, 12, .78);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
    z-index: 100;
}

.ov.on {
    display: flex;
}

.card {
    animation: open .45s cubic-bezier(.2, .8, .2, 1);
    transform-origin: var(--ox, 26%) var(--oy, 85%);
}

@keyframes open {
    from {
        transform: scale(.15) rotate(-6deg);
        opacity: 0;
    }
    to {
        transform: none;
        opacity: 1;
    }
}

.x {
    position: absolute;
    top: 10px;
    right: 12px;
    font: inherit;
    font-size: 1.4rem;
    background: none;
    border: 0;
    color: inherit;
    cursor: pointer;
    line-height: 1;
    padding: 6px;
    z-index: 20;
    opacity: .7;
    transition: opacity .15s ease;
}

.x:hover {
    opacity: 1;
}

.x:focus-visible, .tab:focus-visible, .stamp:focus-visible, .back:focus-visible {
    outline: 3px solid var(--cone);
    outline-offset: 2px;
}

/* ==========================================================================
   Stamp Book (Copied from Claude's code)
   ========================================================================== */
.book {
    position: relative;
    width: min(960px, 100%);
    height: min(640px, 100%);
    background: var(--book);
    border-radius: 10px 16px 16px 10px;
    padding: 14px 14px 14px 22px;
    box-shadow: 0 30px 80px #000a;
}

.book .in {
    height: 100%;
    display: flex;
    background: var(--paper);
    border-radius: 4px;
    overflow: hidden;
}

.tabs {
    width: min(210px, 32%);
    padding: 26px 0 20px;
    border-right: 2px dashed #1d2a5e44;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tabs h2 {
    margin: 0 20px 14px;
    font-weight: 400;
    font-size: 1.5rem;
    line-height: 1.1;
    font-family: var(--font);
}

.tab {
    font: inherit;
    text-align: left;
    background: none;
    border: 0;
    color: inherit;
    padding: .65em 20px;
    cursor: pointer;
    font-size: 1rem;
    font-family: var(--font);
}

.tab[aria-selected="true"] {
    background: var(--ink);
    color: var(--paper);
}

.page {
    flex: 1;
    padding: 30px 28px;
    overflow: auto;
}

.page h3 {
    margin: 0 0 4px;
    font-weight: 400;
    font-size: 1.3rem;
    font-family: var(--font);
}

.page p.sub {
    margin: 0 0 22px;
    opacity: .7;
    font-size: .9rem;
    font-family: var(--font);
}

.grid {
    display: grid;
    /* Collage packing: a fine 7px grid, with each stamp spanning as many cells as its own size needs
       (set per stamp by script.js). "dense" lets small stamps fill the gaps beside big ones. */
    grid-template-columns: repeat(auto-fill, 7px);
    grid-auto-rows: 7px;
    grid-auto-flow: dense;
    justify-content: start;
    gap: 0;
}

/* Stamp geometry is locked to a 14px perforation pitch. Width and height are a whole number of holes
   (--nw and --nh, set per stamp by script.js from the shape of its thumbnail; 13 x 18 is the fallback).
   The paper is a ::before layer with half-round bites cut out of all four edges (a mask), so the
   edge is a true scalloped perforation and the page shows through the bites. The drop shadow sits
   on the button itself, because a filter on the masked layer would be cut off by its own mask. */
.stamp {
    --pitch: 14px;
    --hole: 4.5px;
    position: relative;
    isolation: isolate;
    font: inherit;
    color: inherit;
    border: 0;
    background: none;
    cursor: pointer;
    width: calc(var(--nw, 13) * var(--pitch));
    height: calc(var(--nh, 18) * var(--pitch));
    grid-column: span var(--cs, 28);
    grid-row: span var(--rs, 38);
    justify-self: start;
    align-self: start;
    padding: var(--pitch);
    display: flex;
    flex-direction: column;
    filter: drop-shadow(0 1px 1px #0005) drop-shadow(0 3px 4px #0003);
    transition: transform .2s;
    text-align: left;
    font-family: var(--font);
}

.stamp::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: #fbf6e8;
    -webkit-mask-image:
        radial-gradient(circle at 7px 0, #0000 var(--hole), #000 calc(var(--hole) + .6px)),
        radial-gradient(circle at 7px 100%, #0000 var(--hole), #000 calc(var(--hole) + .6px)),
        radial-gradient(circle at 0 7px, #0000 var(--hole), #000 calc(var(--hole) + .6px)),
        radial-gradient(circle at 100% 7px, #0000 var(--hole), #000 calc(var(--hole) + .6px));
    mask-image:
        radial-gradient(circle at 7px 0, #0000 var(--hole), #000 calc(var(--hole) + .6px)),
        radial-gradient(circle at 7px 100%, #0000 var(--hole), #000 calc(var(--hole) + .6px)),
        radial-gradient(circle at 0 7px, #0000 var(--hole), #000 calc(var(--hole) + .6px)),
        radial-gradient(circle at 100% 7px, #0000 var(--hole), #000 calc(var(--hole) + .6px));
    -webkit-mask-size: var(--pitch) 100%, var(--pitch) 100%, 100% var(--pitch), 100% var(--pitch);
    mask-size: var(--pitch) 100%, var(--pitch) 100%, 100% var(--pitch), 100% var(--pitch);
    -webkit-mask-repeat: repeat-x, repeat-x, repeat-y, repeat-y;
    mask-repeat: repeat-x, repeat-x, repeat-y, repeat-y;
    -webkit-mask-position: 0 0;
    mask-position: 0 0;
    -webkit-mask-composite: source-in;
    mask-composite: intersect;
}

.stamp:hover {
    transform: rotate(-2deg) translateY(-3px);
}

.stamp .art {
    width: 100%;
    flex: 1 1 0;
    min-height: 0;
    border: 1px solid #0003;
}

.stamp .art.has-image {
    background-size: cover;
    background-position: center;
}

.empty-note {
    opacity: .7;
    line-height: 1.6;
    max-width: 44ch;
}

.proj .no-scroll {
    opacity: .6;
    font-style: italic;
}

.stamp .val {
    height: 28px;
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding: 0 2px;
    font-size: .75rem;
    font-family: var(--font);
}

.stamp .val .yr {
    flex-shrink: 0;
}

/* Long titles are cut short with "…" so they never spill out of the frame (full title is on the project page) */
.stamp .val .ttl {
    flex: 1 1 0;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: right;
}

/* ==========================================================================
   Project Page Modal (With Daft Punk Scroll)
   ========================================================================== */
.proj {
    background: var(--paper);
    width: min(1200px, 100%);
    max-height: 92vh;
    overflow-y: auto;
    border-radius: 8px;
    padding: 0;
    position: relative;
    color: var(--ink);
    font-family: var(--font);
    box-shadow: 0 30px 80px #000a;
}

.proj-header {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px clamp(18px, 4vw, 44px);
    background: var(--paper);
    border-bottom: 2px dashed #1d2a5e22;
}

.proj-header .x {
    position: static;
}

.proj-body {
    padding: 28px clamp(18px, 4vw, 44px) 44px;
}

.proj .back {
    font: inherit;
    background: none;
    border: 0;
    color: inherit;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
    font-size: 1rem;
}

.proj .back:hover {
    color: var(--book);
}

.proj .proj-badge {
    font-size: 0.85rem;
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-bottom: 4px;
}

.proj h1 {
    font-weight: 400;
    font-size: clamp(1.8rem, 4.5vw, 2.8rem);
    margin: 0 0 6px;
    line-height: 1.05;
}

.proj .meta {
    opacity: .7;
    margin: 0 0 20px;
    font-size: 0.95rem;
}

.proj .txt {
    max-width: 62ch;
    line-height: 1.6;
    margin: 0 0 24px;
}

.proj-stack {
    background: var(--paper);
    /* Balances the scrollbar on the right. --sbw is the real scrollbar width, set by script.js */
    padding-left: max(12px, var(--sbw, 0px));
}

.proj-stack img {
    display: block;
    width: 100%;
    height: auto;
    /* Reserve a 16:9 slot until each image loads, then use its real shape */
    aspect-ratio: auto 16 / 9;
}

/* ==========================================================================
   Poster layout: whole poster on the left, a short line on the right
   (turned on with data-layout="poster" on an article or a whole section)
   ========================================================================== */
.proj.proj-poster {
    width: min(1300px, 96vw);
    max-height: 96vh;
}

.poster-view {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: clamp(24px, 4vw, 56px);
    padding: 22px clamp(18px, 4vw, 48px) 30px;
}

.poster-art {
    flex: 0 0 auto;
    max-width: 100%;
}

/* Poster height is set from the screen height so the whole poster is always visible */
.poster-art img,
.poster-ph {
    display: block;
    height: min(calc(100vh - 205px), 980px);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}

.poster-art img {
    width: auto;
    max-width: 100%;
    object-fit: contain;
    background: #111;
}

.poster-ph {
    aspect-ratio: 1 / 1.414;
    display: flex;
    align-items: flex-end;
    padding: 18px;
    color: #fff;
    font-size: 1rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
}

.poster-info {
    flex: 1 1 260px;
    min-width: 0;
}

.poster-info .txt {
    max-width: none;
    margin: 0;
    font-size: clamp(1.1rem, 1.7vw, 1.65rem);
    line-height: 1.45;
}


/* ==========================================================================
   About Card Modal
   ========================================================================== */
.about-modal-card {
    position: relative;
    width: min(850px, 92vw, calc(88vh * 1024 / 691));
    aspect-ratio: 1024 / 691;
    border-radius: 28px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.65), 
                0 0 40px rgba(248, 235, 201, 0.15);
}

.about-modal-card .modal-card-inner {
    width: 100%;
    height: 100%;
    border-radius: 28px;
    overflow: hidden;
}

.about-card-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
}

.card-links-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.card-link {
    position: absolute;
    pointer-events: auto;
    border-radius: 4px;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.card-link:hover {
    background-color: rgba(43, 53, 82, 0.12);
    box-shadow: 0 0 0 3px rgba(43, 53, 82, 0.15);
}

.email-link {
    left: 21.2%;
    top: 77.8%;
    width: 34.4%;
    height: 6.6%;
}

.behance-link {
    left: 21.2%;
    top: 85.2%;
    width: 10.4%;
    height: 5.6%;
}

.linkedin-link {
    left: 31.6%;
    top: 85.2%;
    width: 9.6%;
    height: 5.6%;
}

/* ==========================================================================
   Gengar Pokédex Card Modal
   ========================================================================== */
.gengar-modal-card {
    position: relative;
    width: min(780px, 90vw, calc(88vh * 1024 / 879));
    aspect-ratio: 1024 / 879;
    filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.8)) 
            drop-shadow(0 0 35px rgba(138, 43, 226, 0.3));
}

.gengar-modal-card .gengar-card-inner {
    border-radius: 36px 36px 0 0;
    overflow: hidden;
}

.gengar-card-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
}

.gengar-close-btn {
    /* Same plain cross as the others, placed on the lavender top bar of the device */
    top: 7.5%;
    right: 4.5%;
}

/* Responsive adjustments (From Claude) */
@media (max-width: 620px) {
    .book .in {
        flex-direction: column;
    }
    .tabs {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        border: 0;
        padding: 14px 0 0;
    }
    .tabs h2 {
        display: none;
    }
    .tab {
        padding: .5em 12px;
    }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    .artwork-stage { animation: none; opacity: 1; }
    .card { animation: none; }
    .stamp:hover { transform: none; }
    .gengar-graffiti { transition: none; }
}

/* ==========================================================================
   Tooltip (instant, replaces the browser's slow default one)
   ========================================================================== */
#tip {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 200;
    max-width: min(300px, 80vw);
    padding: 6px 8px;
    background: var(--paper);
    color: var(--ink);
    border: 0.75px solid var(--ink);
    border-radius: 6px;
    font-family: var(--font);
    font-size: 0.75rem;
    line-height: 1;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.55);
    pointer-events: none;
    opacity: 0;
    transition: opacity .08s ease;
}

#tip.on {
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    #tip { transition: none; }
}


/* ==========================================================================
   Related stamps (project pages). Set with data-related="id id" in scene3d.html.
   - Enough free space left of the card: a panel sits on the dark backdrop beside it (.related-out)
   - Otherwise: the same stamps appear inside the card under the description (.related-in)
   ========================================================================== */
.related h4 {
    margin: 0 0 12px;
    font: inherit;
    font-size: .8rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: .5px;
    opacity: .75;
}

.related-list {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.related .stamp {
    grid-column: auto;
    grid-row: auto;
    color: var(--ink);
}

.related-in {
    margin: 0 0 28px;
}

.related-out {
    display: none;
}

/* script.js adds .rel-out to the overlay when there is room left of the card; then the side panel shows and the in-card copy hides */
.rel-out .related-in { display: none; }

.rel-out .related-out:not([hidden]) {
    display: block;
    position: absolute;
    left: 12px;                      /* width, top and max-height are set by script.js (fitRelated) from the free space */
    box-sizing: border-box;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 10px;
    color: #e6e2d6;
    font-family: var(--font);
    z-index: 101;
}

.rel-out .related-out .related-list {
    flex-direction: column;
    flex-wrap: nowrap;
}

/* Hint until the stamp book has been opened once (script.js adds .hint-book to <html>) */
@keyframes bookHint {
    0%, 100% { background: rgba(120, 170, 255, 0); box-shadow: 0 0 0 0 rgba(90, 150, 255, 0); }
    50%      { background: rgba(120, 170, 255, .28); box-shadow: 0 0 36px 10px rgba(90, 150, 255, .85); }
}
.hint-book #bookHot { animation: bookHint 1.9s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) {
    .hint-book #bookHot { animation: none; background: rgba(120, 170, 255, .12); box-shadow: 0 0 18px 4px rgba(90, 150, 255, .35); }
}