@charset "UTF-8";

@font-face {
    font-family: "Cinzel";
    src: url("../fonts/Cinzel-Variable.ttf") format("truetype");
    font-display: swap;
    font-style: normal;
    font-weight: 400 900;
}

:root {
    --page-bg: #e5e5e5;
    --card-bg: #f8f2e5;
    --text: #241d16;
    --muted: #706457;
    --line: #cfc2ad;
    --bitcoin-orange: #b85c0a;
    --font-inscription: "Weibei SC", STXinwei, "FZWeiBei-S03", "Kaiti SC", STKaiti, KaiTi, "Songti SC", STSong, serif;
    --font-text: "Kaiti SC", STKaiti, KaiTi, FangSong, STFangsong, "Songti SC", STSong, serif;
    --font-latin-inscription: Didot, "Bodoni 72", Bodoni, "Times New Roman", serif;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

html.is-page-hidden *,
html.is-page-hidden *::before,
html.is-page-hidden *::after {
    animation-play-state: paused !important;
}

.first-ink-reveal .title-monogram {
    animation: title-ink-reveal 0.86s cubic-bezier(0.22, 0.7, 0.28, 1) both;
}

.first-ink-reveal .title-studio {
    animation: title-studio-reveal 0.72s 0.38s ease-out both;
}

body {
    display: flex;
    min-height: 100vh;
    margin: 0;
    padding: 1rem 0;
    overflow-x: hidden;
    align-items: center;
    justify-content: center;
    color: var(--text);
    background: var(--page-bg) url("../images/background.png");
    font-family: var(--font-text);
    font-size: 1em;
    font-synthesis: none;
    line-height: 1.82;
    text-rendering: optimizeLegibility;
}

.container {
    width: 100%;
}

.main {
    position: relative;
    isolation: isolate;
    width: min(calc(100% - 2rem), 832px);
    margin: 0 auto;
    padding: 2rem;
    border: 1px solid rgba(82, 67, 50, 0.3);
    border-radius: 0;
    background:
        radial-gradient(ellipse at 8% 7%, rgba(121, 76, 31, 0.1), transparent 21%),
        radial-gradient(ellipse at 94% 18%, rgba(137, 88, 36, 0.075), transparent 18%),
        radial-gradient(ellipse at 12% 92%, rgba(105, 68, 33, 0.08), transparent 22%),
        radial-gradient(ellipse at 86% 88%, rgba(145, 97, 47, 0.055), transparent 20%),
        linear-gradient(105deg, rgba(255, 255, 255, 0.12), transparent 38% 72%, rgba(112, 73, 35, 0.035)),
        var(--card-bg);
    box-shadow:
        0 7px 22px rgba(61, 47, 32, 0.2),
        inset 0 0 28px rgba(88, 56, 27, 0.1),
        inset 0 0 4px rgba(77, 50, 27, 0.14);
}

.main::before,
.main::after {
    position: absolute;
    z-index: 0;
    inset: 0;
    content: "";
    pointer-events: none;
}

.main::before {
    background:
        radial-gradient(circle at 3% 24%, rgba(96, 61, 27, 0.13) 0 0.1rem, transparent 0.28rem),
        radial-gradient(circle at 97% 68%, rgba(105, 67, 30, 0.11) 0 0.08rem, transparent 0.24rem),
        radial-gradient(ellipse at 74% 3%, rgba(115, 74, 34, 0.075), transparent 12%),
        radial-gradient(ellipse at 29% 99%, rgba(102, 64, 28, 0.07), transparent 14%);
    mix-blend-mode: multiply;
    opacity: 0.72;
}

.main::after {
    background:
        repeating-linear-gradient(7deg, transparent 0 8px, rgba(94, 65, 39, 0.025) 8.4px, transparent 9px),
        repeating-linear-gradient(96deg, transparent 0 15px, rgba(255, 255, 255, 0.06) 15.3px, transparent 16px);
    mix-blend-mode: multiply;
    opacity: 0.5;
}

.main > * {
    position: relative;
    z-index: 1;
}

.paper-plane-trigger {
    position: absolute;
    z-index: 2;
    top: 0.85rem;
    right: 1.15rem;
    width: 5.5rem;
    padding: 0;
    border: 0;
    color: rgba(54, 45, 35, 0.78);
    background: transparent;
    cursor: pointer;
    transform: rotate(15deg);
    transform-origin: center;
}

.paper-plane-trigger:focus-visible {
    outline: 1px dashed rgba(54, 45, 35, 0.52);
    outline-offset: 0.2rem;
}

.paper-plane-hover-hint {
    position: absolute;
    z-index: 2;
    top: 3.55rem;
    right: 5.55rem;
    color: rgba(77, 65, 53, 0.7);
    font-family: var(--font-text);
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    line-height: 1;
    opacity: 0;
    pointer-events: none;
    transform: translate(0.25rem, 0.1rem);
    transition: opacity 0.45s ease, transform 0.45s ease;
    white-space: nowrap;
}

.paper-plane-hover-hint.is-visible {
    opacity: 0.68;
    transform: translate(0, 0);
}

.paper-plane-trigger.is-orbiting {
    z-index: 5;
    animation: paper-plane-orbit 7.2s linear;
    outline: none;
    will-change: transform;
}

.paper-plane-trigger.is-orbiting .paper-plane-trail {
    opacity: 0;
}

.paper-plane-trigger.is-orbiting .paper-plane {
    animation: paper-plane-facing 7.2s linear;
    backface-visibility: visible;
    transform-origin: center;
    transform-style: preserve-3d;
}

.paper-plane {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
    pointer-events: none;
}

.paper-plane path {
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.paper-plane-body,
.paper-plane-fold {
    stroke-width: 2.15;
}

.paper-plane-body {
    fill: rgba(248, 242, 229, 0.54);
}

.paper-plane-trail {
    stroke-dasharray: 4 6;
    stroke-width: 1.65;
}

.paper-plane-sketch {
    opacity: 0.42;
    stroke-width: 0.9;
}

.bitcoin-drop {
    position: absolute;
    z-index: 4;
    display: none;
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid rgba(91, 48, 10, 0.28);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(50, 34, 19, 0.2);
    object-fit: cover;
    pointer-events: none;
    transform-origin: center;
    will-change: transform, opacity;
}

.bitcoin-drop.is-flying {
    display: block;
}

.bitcoin-black-hole {
    position: absolute;
    z-index: 3;
    display: block;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background:
        radial-gradient(circle at 50% 50%,
            #000 0 20%,
            rgba(12, 9, 8, 0.98) 21% 31%,
            rgba(30, 54, 63, 0.76) 34%,
            rgba(163, 213, 228, 0.28) 47%,
            rgba(178, 221, 233, 0.1) 62%,
            transparent 72%);
    box-shadow: 0 0 5px rgba(184, 226, 238, 0.08);
    filter: blur(0.1px);
    opacity: 0;
    pointer-events: none;
    transform: scale(0.12) rotate(0);
    will-change: transform, opacity;
}

.bitcoin-black-hole::before {
    position: absolute;
    inset: 8%;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: rgba(205, 236, 244, 0.82);
    content: "🌀";
    filter: saturate(0.38) brightness(1.45);
    font-family: "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
    font-size: 1.58em;
    line-height: 1;
    mix-blend-mode: screen;
    opacity: 0.72;
    animation: bitcoin-vortex-spin 1.05s linear infinite;
}

.bitcoin-black-hole.is-active {
    animation: bitcoin-black-hole-open-spin 3.3s linear forwards;
}

.bitcoin-black-hole.is-active.is-absorbing {
    animation: bitcoin-black-hole-close 0.82s ease-in forwards;
}

@keyframes bitcoin-black-hole-open-spin {
    0% {
        opacity: 0;
        transform: scale(0.12) rotate(0);
    }
    9% {
        opacity: 0.94;
        transform: scale(0.9) rotate(42deg);
    }
    90% {
        opacity: 0.94;
        transform: scale(0.84) rotate(325deg);
    }
    100% {
        opacity: 0.94;
        transform: scale(0.82) rotate(360deg);
    }
}

@keyframes bitcoin-vortex-spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes bitcoin-black-hole-close {
    0% {
        opacity: 0.94;
        transform: scale(0.9) rotate(0);
    }
    58% {
        opacity: 1;
        transform: scale(0.72) rotate(210deg);
    }
    100% {
        opacity: 0;
        transform: scale(0.04) rotate(480deg);
    }
}

@keyframes paper-plane-orbit {
    0% {
        transform: translate(0, 0) rotate(15deg) scale(1);
    }
    6% {
        transform: translate(1.2rem, -0.25rem) rotate(20deg) scale(1.01);
    }
    12% {
        transform: translate(2.4rem, -0.65rem) rotate(36deg) scale(1.02);
    }
    18% {
        transform: translate(3.2rem, -0.2rem) rotate(95deg) scale(1.02);
    }
    24% {
        transform: translate(2.8rem, 0.8rem) rotate(190deg) scale(1.02);
    }
    30% {
        transform: translate(1.4rem, 1.6rem) rotate(280deg) scale(1.01);
    }
    36% {
        transform: translate(-1rem, 1.8rem) rotate(336deg) scale(1);
    }
    45% {
        transform: translate(-9rem, -0.4rem) rotate(333deg) scale(0.98);
    }
    52% {
        transform: translate(-20rem, -1rem) rotate(324deg) scale(0.95);
    }
    58% {
        transform: translate(-29rem, -0.2rem) rotate(316deg) scale(0.94);
    }
    64% {
        transform: translate(-32rem, 0.8rem) rotate(285deg) scale(0.94);
    }
    70% {
        transform: translate(-33rem, 3.2rem) rotate(220deg) scale(0.94);
    }
    76% {
        transform: translate(-31.5rem, 5.6rem) rotate(140deg) scale(0.95);
    }
    82% {
        transform: translate(-27rem, 7.2rem) rotate(80deg) scale(0.97);
    }
    88% {
        transform: translate(-18rem, 7.4rem) rotate(31deg) scale(0.99);
    }
    94% {
        transform: translate(-8rem, 5.7rem) rotate(17deg) scale(1);
    }
    98% {
        transform: translate(-2rem, 2.2rem) rotate(0) scale(1.01);
    }
    100% {
        transform: translate(0, 0) rotate(15deg) scale(1);
    }
}

@keyframes paper-plane-orbit-mobile {
    0% {
        transform: translate(0, 0) rotate(15deg) scale(1);
    }
    6% {
        transform: translate(0.6rem, -0.15rem) rotate(20deg) scale(1.01);
    }
    12% {
        transform: translate(1.2rem, -0.35rem) rotate(36deg) scale(1.02);
    }
    18% {
        transform: translate(1.6rem, -0.1rem) rotate(95deg) scale(1.02);
    }
    24% {
        transform: translate(1.4rem, 0.5rem) rotate(190deg) scale(1.02);
    }
    30% {
        transform: translate(0.7rem, 0.9rem) rotate(280deg) scale(1.01);
    }
    36% {
        transform: translate(-0.5rem, 1.1rem) rotate(336deg) scale(1);
    }
    45% {
        transform: translate(-4.4rem, -0.25rem) rotate(333deg) scale(0.98);
    }
    52% {
        transform: translate(-9.5rem, -0.5rem) rotate(324deg) scale(0.95);
    }
    58% {
        transform: translate(-13.8rem, -0.1rem) rotate(316deg) scale(0.94);
    }
    64% {
        transform: translate(-15.2rem, 0.5rem) rotate(285deg) scale(0.94);
    }
    70% {
        transform: translate(-15.8rem, 2rem) rotate(220deg) scale(0.94);
    }
    76% {
        transform: translate(-15rem, 3.5rem) rotate(140deg) scale(0.95);
    }
    82% {
        transform: translate(-13rem, 4.7rem) rotate(80deg) scale(0.97);
    }
    88% {
        transform: translate(-9rem, 4.8rem) rotate(31deg) scale(0.99);
    }
    94% {
        transform: translate(-4rem, 3.8rem) rotate(17deg) scale(1);
    }
    98% {
        transform: translate(-1rem, 1.5rem) rotate(0) scale(1.01);
    }
    100% {
        transform: translate(0, 0) rotate(15deg) scale(1);
    }
}

@keyframes paper-plane-facing {
    0%, 12% {
        transform: perspective(240px) rotateY(0deg);
    }
    18% {
        transform: perspective(240px) rotateY(45deg);
    }
    24% {
        transform: perspective(240px) rotateY(135deg);
    }
    30%, 58% {
        transform: perspective(240px) rotateY(180deg);
    }
    64% {
        transform: perspective(240px) rotateY(225deg);
    }
    70% {
        transform: perspective(240px) rotateY(270deg);
    }
    76% {
        transform: perspective(240px) rotateY(315deg);
    }
    82%, 100% {
        transform: perspective(240px) rotateY(360deg);
    }
}

@keyframes title-ink-reveal {
    0% {
        clip-path: inset(0 48% 0 48%);
        filter: blur(5px);
        opacity: 0;
        text-shadow: 0 0 0.22em rgba(36, 29, 22, 0.2);
        transform: scale(0.985);
    }
    58% {
        filter: blur(1.4px);
        opacity: 0.82;
    }
    100% {
        clip-path: inset(0);
        filter: blur(0);
        opacity: 1;
        text-shadow: none;
        transform: scale(1);
    }
}

@keyframes title-studio-reveal {
    from {
        opacity: 0;
        transform: translate(-50%, -45%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.site-title {
    position: relative;
    display: grid;
    width: fit-content;
    margin: 0 auto 1.35rem;
    color: var(--text);
    font-family: var(--font-latin-inscription);
    line-height: 1;
    text-align: center;
}

.title-monogram {
    padding: 0;
    border: 0;
    color: inherit;
    background: transparent;
    font-family: inherit;
    font-size: 4.9rem;
    font-weight: 700;
    letter-spacing: 0.018em;
    line-height: 0.92;
    cursor: pointer;
}

.title-monogram:focus-visible {
    outline: 1px solid var(--muted);
    outline-offset: 0.18rem;
}

.title-studio {
    position: absolute;
    top: 44%;
    left: 50%;
    width: calc(100% + 0.15em);
    padding: 0.18rem 0 0.14rem;
    background: var(--card-bg);
    font-family: "Cinzel", Copperplate, serif;
    font-size: 0.64rem;
    font-weight: 600;
    letter-spacing: 0.52em;
    line-height: 1;
    white-space: nowrap;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: opacity 0.18s ease;
}

.title-studio.is-private {
    font-size: 0.56rem;
    letter-spacing: 0.32em;
}

.title-studio.is-code {
    font-size: 0.45rem;
    letter-spacing: 0.08em;
}

.title-studio.is-message {
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    text-transform: none;
    animation: bitcoin-message-pop 3s cubic-bezier(0.2, 0.78, 0.22, 1) both;
    transform-origin: center;
}

.title-studio.is-returning {
    font-size: 0.46rem;
    letter-spacing: 0.13em;
    animation: returning-phrase 2.8s ease both;
}

@keyframes returning-phrase {
    0%, 100% { opacity: 0; filter: blur(0.12rem); }
    18%, 78% { opacity: 0.72; filter: blur(0); }
}

.title-bitcoin {
    color: var(--bitcoin-orange);
    font-weight: 800;
}

.info-unit {
    margin-bottom: 1rem;
}

.info-unit h2 {
    font-family: var(--font-inscription);
    font-size: 1.3em;
    font-weight: 700;
    letter-spacing: 0.075em;
    line-height: 1.35;
    text-shadow: 0.018em 0 currentColor;
    -webkit-text-stroke: 0.12px currentColor;
}

.initial-accent {
    display: inline-block;
    vertical-align: baseline;
    padding: 0;
    border: 0;
    color: var(--bitcoin-orange);
    background: transparent;
    font: inherit;
    font-weight: 800;
    line-height: inherit;
    text-shadow: none;
    -webkit-text-stroke: 0.16px currentColor;
    cursor: pointer;
}

.initial-accent:focus-visible {
    outline: 1px solid currentColor;
    outline-offset: 0.08em;
}

.initial-accent.is-hit {
    animation: easter-key-flash 0.35s ease;
}

.initial-accent.is-sequence-hint {
    animation: easter-sequence-hint 0.58s ease;
}

.initial-accent.is-next-hint {
    animation: easter-next-hint 0.95s ease-in-out;
}

.initial-accent[data-easter-key="t"],
.initial-accent[data-easter-key="c"] {
    font-family: "Cinzel", var(--font-inscription);
    font-weight: 900;
    text-shadow: 0.018em 0 currentColor, -0.012em 0 currentColor;
    -webkit-text-stroke: 0.3px currentColor;
}

.initial-accent[data-easter-key="b"] {
    font-weight: 900;
    text-shadow: 0.022em 0 currentColor, -0.014em 0 currentColor;
    -webkit-text-stroke: 0.36px currentColor;
}

.thoughts-content p {
    margin: 0.08em 0;
    font-family: var(--font-text);
    letter-spacing: 0.022em;
    line-height: 1.66;
    text-align: justify;
    text-justify: inter-ideograph;
}

.profile {
    position: relative;
    isolation: isolate;
}

.profile::after {
    position: absolute;
    z-index: 0;
    top: 58%;
    left: 50%;
    color: rgba(184, 92, 10, 0.075);
    font-family: "Cinzel", serif;
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1;
    white-space: nowrap;
    content: "21,000,000";
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(0.98);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.profile > * {
    position: relative;
    z-index: 1;
}

.profile.show-watermark::after {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.bitcoin-statement:focus-visible {
    outline: 1px dashed rgba(184, 92, 10, 0.42);
    outline-offset: 0.15rem;
}

.icon-sprite {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

.section-icon,
.inline-icon,
.work-link svg,
.preview-hint svg {
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.section-icon {
    width: 1.25em;
    height: 1.25em;
    margin-right: 0.5em;
    vertical-align: -0.25em;
}

.belief-heart {
    transform-origin: center;
}

.belief-heart.is-beating {
    color: #8f2925;
    fill: #a83b34;
    stroke: #7f211e;
    filter: drop-shadow(0 0 0.13em rgba(143, 41, 37, 0.28));
    animation: belief-heart-beat 0.75s ease-in-out 4;
}

.inline-icon {
    width: 1em;
    height: 1em;
    margin-right: 0.3em;
    vertical-align: -0.12em;
}

.inline-icon.is-solid {
    color: var(--bitcoin-orange);
    fill: rgba(184, 92, 10, 0.22);
    stroke: var(--bitcoin-orange);
    stroke-width: 2.15;
    filter: drop-shadow(0 0 0.12em rgba(184, 92, 10, 0.24));
}

.inline-icon.is-solid.easter-pulse {
    animation: bulb-pulse 0.7s ease;
}

@keyframes easter-key-flash {
    50% {
        color: #e88b32;
        transform: translateY(-0.05em) scale(1.16);
    }
}

@keyframes easter-sequence-hint {
    0%, 100% {
        color: var(--bitcoin-orange);
        filter: none;
        transform: translateY(0) scale(1);
    }
    45% {
        color: #8f4307;
        filter: drop-shadow(0 0 0.12em rgba(184, 92, 10, 0.32));
        transform: translateY(-0.04em) scale(1.08);
    }
}

@keyframes easter-next-hint {
    0%, 100% {
        filter: none;
        transform: translateY(0) scale(1);
    }
    28% {
        filter: drop-shadow(0 0 0.1em rgba(184, 92, 10, 0.3));
        transform: translateY(-0.1em) scale(1.09);
    }
    48% {
        transform: translateY(0.02em) scale(0.99);
    }
    68% {
        filter: drop-shadow(0 0 0.08em rgba(184, 92, 10, 0.22));
        transform: translateY(-0.045em) scale(1.035);
    }
}

@keyframes bulb-pulse {
    50% {
        filter: drop-shadow(0 0 0.28em rgba(184, 92, 10, 0.52));
        transform: scale(1.18);
    }
}

@keyframes bitcoin-message-pop {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.72);
    }
    25% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.55);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.55);
    }
    78% {
        transform: translate(-50%, -50%) scale(0.94);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

@keyframes belief-heart-beat {
    0%, 100% {
        transform: scale(1);
    }
    18% {
        transform: scale(1.2);
    }
    34% {
        transform: scale(0.94);
    }
    52% {
        transform: scale(1.13);
    }
    72% {
        transform: scale(1);
    }
}

hr {
    height: 0;
    border: 0;
    border-top: 1px solid var(--line);
    margin-bottom: 0.4em;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 15px;
}

.work-card {
    position: relative;
    display: flex;
    min-width: 0;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 2px;
    color: var(--text);
    background: var(--card-bg);
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.visited-stamp {
    position: absolute;
    z-index: 3;
    top: 0.55rem;
    right: 0.55rem;
    padding: 0.18rem 0.38rem 0.13rem;
    border: 1px solid rgba(154, 76, 11, 0.64);
    color: rgba(154, 76, 11, 0.76);
    background: rgba(248, 242, 229, 0.78);
    font-family: "Cinzel", var(--font-latin-inscription);
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    line-height: 1;
    opacity: 0;
    pointer-events: none;
    transform: rotate(-7deg) scale(0.84);
    transition: opacity 0.35s ease, transform 0.35s ease;
    visibility: hidden;
}

.work-card.is-visited .visited-stamp {
    opacity: 0.58;
    transform: rotate(-7deg) scale(1);
    visibility: visible;
}

.work-card:hover,
.work-card:focus-within {
    border-color: #aaa;
    color: #111;
    transform: translateY(-3px);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
}

.work-preview {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    border-bottom: 1px solid var(--line);
    background: #f4f0e7;
}

.work-preview picture {
    display: contents;
}

.work-preview img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: opacity 0.55s ease, transform 0.38s ease;
}

.js .work-preview img {
    opacity: 0;
    transform: scale(1.015);
}

.js .work-preview img.is-loaded {
    opacity: 1;
    transform: scale(1);
}

.work-preview:hover img,
.work-preview:focus-visible img,
.js .work-preview:hover img.is-loaded,
.js .work-preview:focus-visible img.is-loaded {
    transform: scale(1.05);
}

.preview-hint {
    position: absolute;
    right: 0.65rem;
    bottom: 0.6rem;
    display: inline-flex;
    gap: 0.3rem;
    align-items: center;
    padding: 0.3rem 0.48rem;
    border-radius: 3px;
    color: #fff;
    background: rgba(20, 20, 20, 0.72);
    font-size: 0.7rem;
    line-height: 1;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.preview-hint svg {
    width: 0.85rem;
    height: 0.85rem;
}

.work-preview:hover .preview-hint,
.work-preview:focus-visible .preview-hint {
    opacity: 1;
    transform: translateY(0);
}

.work-preview:focus-visible,
.work-link:focus-visible {
    outline: 2px solid #777;
    outline-offset: -2px;
}

.work-meta {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.75rem;
    align-items: baseline;
    margin-top: auto;
    padding: 0.75rem 0.85rem;
    line-height: 1.35;
}

.work-card strong {
    font-family: var(--font-inscription);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.045em;
}

.work-link {
    justify-self: end;
    color: #65594c;
    font-family: var(--font-text);
    font-size: 0.76rem;
    letter-spacing: 0.025em;
    text-align: right;
    text-decoration: none;
}

.work-description {
    position: relative;
    grid-column: 1 / -1;
    margin-top: -0.45rem;
    padding-left: 0.62rem;
    color: #66594b;
    font-family: var(--font-text);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
}

.work-description::before {
    position: absolute;
    top: 0.16em;
    bottom: 0.16em;
    left: 0;
    width: 2px;
    background: rgba(154, 76, 11, 0.58);
    content: "";
}

.work-link:hover {
    color: #111;
}

.work-link svg {
    width: 0.82em;
    height: 0.82em;
    margin-left: 0.15rem;
}

.three-doors-revelation {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 0.9rem;
    align-items: center;
    max-height: 0;
    margin: 0;
    overflow: hidden;
    color: var(--muted);
    opacity: 0;
    transform: translateY(-0.35rem);
    transition: max-height 1.1s ease, margin 1.1s ease, opacity 1.1s ease, transform 1.1s ease;
}

.three-doors-revelation.is-revealed {
    max-height: 9rem;
    margin: 1.35rem 0 0.25rem;
    opacity: 1;
    transform: translateY(0);
}

.three-doors-revelation::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(154, 76, 11, 0.48), transparent);
    content: "";
}

.revelation-mark {
    grid-row: 1 / 3;
    padding: 1.1rem 0 0 0.15rem;
    color: rgba(154, 76, 11, 0.65);
    font-family: "Cinzel", serif;
    font-size: 1.25rem;
    letter-spacing: 0.12em;
}

.three-doors-revelation p {
    margin: 0;
    padding-top: 1rem;
    font-size: 0.88rem;
    letter-spacing: 0.07em;
}

.secret-creation-link,
.secret-creation-link:hover,
.secret-creation-link:active,
.secret-creation-link:visited,
.secret-creation-link:focus {
    color: inherit;
    font: inherit;
    text-decoration: none;
    cursor: text;
    outline: none;
}

.three-doors-revelation small {
    color: rgba(112, 100, 87, 0.68);
    font-family: "Cinzel", serif;
    font-size: 0.48rem;
    letter-spacing: 0.2em;
}

.fragment-note {
    position: relative;
    z-index: 2;
    display: block;
    width: 3.8rem;
    min-height: 1.45rem;
    margin: -0.15rem 0 0.08rem auto;
    padding: 0.1rem 0.55rem 0;
    overflow: hidden;
    border: 0;
    color: rgba(65, 53, 42, 0.36);
    background: transparent;
    font-family: var(--font-inscription);
    font-size: 0.78rem;
    letter-spacing: 0.13em;
    line-height: 1.55;
    text-align: left;
    text-shadow: 0.018em 0 currentColor;
    white-space: nowrap;
    cursor: help;
    opacity: 0.72;
    transform: translateX(0.5rem) rotate(-1.15deg);
    transform-origin: right center;
    transition: width 1.05s cubic-bezier(0.22, 0.7, 0.28, 1), color 0.8s ease, opacity 0.8s ease, transform 1.05s cubic-bezier(0.22, 0.7, 0.28, 1);
}

.edu.info-unit {
    margin-bottom: 0;
}

.fragment-note-text {
    position: relative;
    display: block;
    width: max-content;
    margin-left: auto;
    color: rgba(48, 37, 28, 0.76);
    font-weight: 600;
    mix-blend-mode: multiply;
    opacity: 0;
    text-shadow:
        0.012em 0 rgba(36, 27, 20, 0.42),
        -0.008em 0 rgba(36, 27, 20, 0.18);
    -webkit-text-stroke: 0.05px rgba(38, 29, 22, 0.28);
    transform: translateX(0.7rem);
    transition: opacity 0.55s ease, transform 0.85s ease;
}

.fragment-note-teaser {
    position: absolute;
    inset: 0.04rem 0.68rem auto auto;
    color: rgba(154, 76, 11, 0.58);
    opacity: 1;
    transition: opacity 0.35s ease;
}

.fragment-note-teaser svg {
    display: block;
    width: 1.28rem;
    height: 1.15rem;
    overflow: visible;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.35;
    transform: rotate(-2deg);
}

.fragment-note-teaser circle {
    fill: currentColor;
    stroke: none;
}

.fragment-note::after {
    position: absolute;
    right: 0.35rem;
    bottom: 0.15rem;
    width: 2.4rem;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(65, 53, 42, 0.18), transparent);
    content: "";
}

.fragment-note.is-revealed {
    width: min(22rem, calc(100% - 2rem));
    color: rgba(65, 53, 42, 0.72);
    opacity: 1;
    transform: translateX(0) rotate(-1.15deg);
    outline: none;
}

.fragment-note.is-revealed .fragment-note-teaser {
    opacity: 0;
}

.fragment-note.is-revealed .fragment-note-text {
    opacity: 1;
    transform: translateX(0);
}

.is-midnight .fragment-note {
    color: rgba(201, 192, 174, 0.3);
}

.is-midnight .fragment-note-text {
    color: rgba(210, 201, 184, 0.72);
    mix-blend-mode: normal;
    text-shadow: 0.01em 0 rgba(210, 201, 184, 0.18);
    -webkit-text-stroke-color: rgba(220, 211, 194, 0.2);
}

.is-midnight .fragment-note.is-revealed {
    color: rgba(201, 192, 174, 0.78);
}

.midnight-whisper {
    display: none;
    margin: 1.4rem 0 -0.5rem;
    color: rgba(198, 186, 165, 0.68);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-align: center;
}

.is-midnight {
    --page-bg: #171715;
    --card-bg: #26231e;
    --text: #c9c0ae;
    --muted: #968b79;
    --line: #514b40;
}

.is-midnight body {
    background-color: #171715;
    background-blend-mode: multiply;
}

.is-midnight .main {
    box-shadow: 0 7px 28px rgba(0, 0, 0, 0.62), inset 0 0 38px rgba(0, 0, 0, 0.26);
}

.is-midnight .work-preview {
    background: #201e1a;
}

.is-midnight .work-preview img {
    filter: sepia(0.22) brightness(0.72) contrast(0.92);
}

.is-midnight .work-link,
.is-midnight .work-description,
.is-midnight .board-copyright {
    color: #a99e8b;
}

.is-midnight .visited-stamp {
    background: rgba(38, 35, 30, 0.84);
}

.is-midnight .midnight-whisper {
    display: block;
    animation: midnight-whisper 5s ease both;
}

@keyframes midnight-whisper {
    from { opacity: 0; letter-spacing: 0.3em; }
    to { opacity: 1; letter-spacing: 0.18em; }
}

.board-copyright {
    position: relative;
    margin: 1.75rem 0 0;
    color: #75695c;
    font-size: 0.8rem;
    font-family: var(--font-inscription);
    letter-spacing: 0.12em;
    line-height: 1.5;
    text-align: center;
}

.copyright-easter-hint {
    position: absolute;
    bottom: calc(100% + 0.2rem);
    left: 50%;
    color: rgba(83, 72, 61, 0.82);
    font-family: var(--font-text);
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    line-height: 1.4;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 0.25rem);
    transition: opacity 0.3s ease, transform 0.3s ease;
    white-space: nowrap;
}

.copyright-easter-word {
    color: #9a4c0b;
    font-weight: 600;
}

.board-copyright:hover .copyright-easter-hint,
.board-copyright:focus-visible .copyright-easter-hint {
    opacity: 1;
    transform: translate(-50%, 0);
}

.board-copyright:focus-visible {
    outline: 1px dashed rgba(112, 100, 87, 0.42);
    outline-offset: 0.18rem;
}

:where(
    .paper-plane-trigger,
    .title-monogram,
    .initial-accent,
    .bitcoin-statement,
    .work-preview,
    .work-link,
    .board-copyright
):focus-visible {
    outline: 2px solid rgba(154, 76, 11, 0.68);
    outline-offset: 0.18rem;
    box-shadow: 0 0 0 3px rgba(154, 76, 11, 0.08);
}

.work-preview:focus-visible {
    outline-offset: -2px;
}

.studio-dot {
    position: relative;
    display: inline-block;
    width: 0.42em;
    text-align: center;
}

.error-page {
    min-height: 100vh;
    padding: 1.5rem;
}

.error-sheet {
    position: relative;
    width: min(100%, 760px);
    min-height: 480px;
    padding: 4rem 2rem;
    overflow: hidden;
    border: 1px solid rgba(82, 67, 50, 0.3);
    color: var(--text);
    background:
        radial-gradient(ellipse at 8% 12%, rgba(121, 76, 31, 0.1), transparent 24%),
        radial-gradient(ellipse at 92% 86%, rgba(105, 68, 33, 0.08), transparent 24%),
        var(--card-bg);
    box-shadow:
        0 9px 26px rgba(61, 47, 32, 0.2),
        inset 0 0 28px rgba(88, 56, 27, 0.1);
    text-align: center;
}

.error-sheet::after {
    position: absolute;
    top: -1px;
    right: -1px;
    width: 6rem;
    height: 6rem;
    background: var(--page-bg) url("../images/background.png");
    clip-path: polygon(38% 0, 100% 0, 100% 62%, 82% 48%, 69% 63%, 56% 39%, 39% 53%, 27% 29%, 0 40%, 13% 13%);
    content: "";
}

.error-plane {
    width: 6.5rem;
    margin: 0 auto 0.8rem;
    color: rgba(54, 45, 35, 0.72);
    transform: rotate(12deg);
}

.error-plane svg {
    display: block;
    width: 100%;
    fill: rgba(248, 242, 229, 0.55);
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.error-code {
    margin: 0;
    font-family: "Cinzel", var(--font-latin-inscription);
    font-size: clamp(5rem, 16vw, 8rem);
    font-weight: 650;
    letter-spacing: 0.08em;
    line-height: 1;
}

.error-message {
    margin: 0.7rem 0 0;
    font-family: var(--font-inscription);
    font-size: 1.45rem;
    letter-spacing: 0.16em;
}

.error-detail {
    margin: 0.55rem 0 1.6rem;
    color: #66594b;
    font-size: 0.92rem;
}

.error-return {
    display: inline-flex;
    gap: 0.45rem;
    align-items: center;
    padding: 0.55rem 0.85rem;
    border: 1px solid rgba(154, 76, 11, 0.52);
    color: #7f400a;
    text-decoration: none;
    transition: color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.error-return:hover,
.error-return:focus-visible {
    color: #5d2c04;
    background: rgba(184, 92, 10, 0.07);
    transform: translateY(-2px);
}

.studio-dot::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.4rem;
    height: 1.4rem;
    border: 1px solid rgba(91, 48, 10, 0.25);
    border-radius: 50%;
    background: url("../images/bitcoin-drop.jpg") center / cover no-repeat;
    box-shadow: 0 2px 5px rgba(50, 34, 19, 0.2);
    content: "";
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(1);
}

.studio-dot.is-coin-return {
    animation: studio-dot-reveal 3s linear forwards;
}

.studio-dot.is-coin-return::after {
    animation: studio-coin-shrink 3s cubic-bezier(0.3, 0.04, 0.35, 1) forwards;
}

@keyframes studio-coin-shrink {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) rotate(0) scale(1.18);
    }
    10% {
        opacity: 1;
        transform: translate(-50%, -50%) rotate(22deg) scale(1);
    }
    78% {
        opacity: 1;
        transform: translate(-50%, -50%) rotate(320deg) scale(0.2);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) rotate(410deg) scale(0.04);
    }
}

@keyframes studio-dot-reveal {
    0%, 82% {
        color: transparent;
        text-shadow: none;
    }
    88% {
        color: var(--bitcoin-orange);
        text-shadow: 0 0 0.28em rgba(184, 92, 10, 0.48);
    }
    94% {
        color: var(--bitcoin-orange);
        text-shadow: 0 0 0.12em rgba(184, 92, 10, 0.24);
    }
    100% {
        color: inherit;
        text-shadow: none;
    }
}

@media (max-width: 768px) {
    .main {
        width: calc(100% - 2rem);
        max-width: 390px;
        padding: 1rem;
    }

    .info-unit h2 {
        font-size: 1.5em;
    }

    .title-monogram {
        font-size: 4rem;
    }

    .paper-plane-trigger {
        top: 0.6rem;
        right: 0.55rem;
        width: 4rem;
    }

    .paper-plane-hover-hint {
        top: 2.8rem;
        right: 3.9rem;
    }

    .paper-plane-trigger.is-orbiting {
        animation-name: paper-plane-orbit-mobile;
        animation-duration: 6.12s;
    }

    .paper-plane-trigger.is-orbiting .paper-plane {
        animation-duration: 6.12s;
    }

    .bitcoin-black-hole.is-active {
        animation-duration: 2.805s;
    }

    .bitcoin-black-hole.is-active.is-absorbing {
        animation-duration: 0.697s;
    }

    .studio-dot.is-coin-return,
    .studio-dot.is-coin-return::after {
        animation-duration: 2.55s;
    }

    .error-sheet {
        min-height: 430px;
        padding: 3rem 1.25rem;
    }

    .title-studio {
        font-size: 0.56rem;
        letter-spacing: 0.44em;
    }

    .works-grid {
        grid-template-columns: 1fr;
    }

    .fragment-note {
        width: 3.6rem;
        margin-top: -0.1rem;
        margin-bottom: 0.08rem;
        font-size: 0.69rem;
    }

    .fragment-note.is-revealed {
        width: calc(100% - 1.25rem);
    }

}

@media (prefers-reduced-motion: reduce) {
    .work-card,
    .work-preview img,
    .preview-hint {
        transition: none;
    }

    .paper-plane-hover-hint {
        transition: none;
    }

    .initial-accent.is-hit,
    .initial-accent.is-sequence-hint,
    .initial-accent.is-next-hint,
    .inline-icon.is-solid.easter-pulse,
    .belief-heart.is-beating,
    .paper-plane-trigger.is-orbiting,
    .paper-plane-trigger.is-orbiting .paper-plane,
    .bitcoin-black-hole.is-active,
    .bitcoin-black-hole.is-absorbing,
    .bitcoin-black-hole::before,
    .studio-dot.is-coin-return,
    .studio-dot.is-coin-return::after,
    .first-ink-reveal .title-monogram,
    .first-ink-reveal .title-studio,
    .title-studio.is-message {
        animation: none;
    }

    .title-studio.is-returning,
    .is-midnight .midnight-whisper {
        animation: none;
    }

    .three-doors-revelation {
        transition: none;
    }

    .fragment-note {
        transition: none;
    }

    .studio-dot.is-coin-return {
        color: inherit;
    }

    .copyright-easter-hint {
        transition: none;
    }
}

@media (hover: none) {
    .preview-hint {
        opacity: 1;
        transform: none;
    }
}