/*
 * augustine.io — the card is real.
 *
 * A dark room, one card, and the cursor is the light. The card faces are
 * WebGL canvases lit in real time; the DOM text on top is transparent but
 * still real (links, focus, screen readers). Without WebGL the same DOM
 * renders as a plain paper card.
 */

@font-face {
    font-family: 'EB Garamond';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url('/assets/fonts/EBGaramond-Roman-latin.woff2') format('woff2');
}
@font-face {
    font-family: 'EB Garamond';
    font-style: italic;
    font-weight: 400 800;
    font-display: swap;
    src: url('/assets/fonts/EBGaramond-Italic-latin.woff2') format('woff2');
}

:root {
    /* dark room (default): black cloth */
    --bg: #0a0a0b;
    --fg: #e6e3dc;
    --muted: #8a877f;
    --hint: #55534e;
    --paper: #ebe7dd;
    --edge: #cfcabf;
    --ink: #1c1a18;
    --ink-muted: #75716a;
    --focus: #e8d9a8;
    --toggle-glyph: '\2600'; /* ☀ — click for light */

    --serif: 'EB Garamond', Garamond, 'Hoefler Text', Baskerville, 'Palatino Linotype', Georgia, serif;
    --card-w: min(88vw, 600px);
    --card-ratio: 1.75;                          /* a real card: 3.5in x 2in */
    --card-h: calc(var(--card-w) / var(--card-ratio));
    --r: 0px;                                    /* corner radius: a real card is cut square */
    --thick: 2px;                                /* card stock */
    --fs: 1cqw;                                  /* type scale, relative to the face */
}

:root[data-theme="light"] {
    --bg: #d9d7d1;
    --fg: #1b1a17;
    --muted: #6a665e;
    --hint: #9a968d;
    --paper: #f9f8f4;
    --edge: #d8d4cb;
    --ink: #1b1a17;
    --ink-muted: #6f6a62;
    --focus: #2b6cff;
    --toggle-glyph: '\263E'; /* ☾ — click for dark */
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    min-height: 100svh;
    display: grid;
    place-items: center;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--serif);
    transition: background-color 0.3s ease;
    overflow-x: hidden;
}

/* The table: a full-viewport lamp-and-shadow pass behind everything. */
canvas.table {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: none;
    z-index: 0;
}
html.gl canvas.table { display: block; }
html:not(.gl) body {
    background:
        radial-gradient(ellipse 70% 60% at 50% 45%, color-mix(in srgb, var(--fg) 7%, var(--bg)), var(--bg) 70%);
}

.theme-toggle {
    position: fixed;
    top: 14px;
    right: 16px;
    z-index: 3;
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 20px;
    line-height: 1;
    padding: 6px 10px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s ease, color 0.2s ease;
}
.theme-toggle:hover,
.theme-toggle:focus-visible { opacity: 1; color: var(--fg); outline: none; }
.theme-toggle::before { content: var(--toggle-glyph); }

.room {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3rem 0;
}

.scene {
    width: var(--card-w);
    height: var(--card-h);
    perspective: 1400px;
    perspective-origin: 50% 50%;
}

.card {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    will-change: transform;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    cursor: grab;
    opacity: 0;
    transition: opacity 0.7s ease;
}
.card.in { opacity: 1; }
.card.dragging { cursor: grabbing; }
.card.dragging .content { pointer-events: none; }

.face {
    position: absolute;
    inset: 0;
    border-radius: var(--r);
    overflow: hidden;
    background: var(--paper);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    container-type: size;
}
.front { transform: translateZ(calc(var(--thick) / 2)); }
.back  { transform: rotateY(180deg) translateZ(calc(var(--thick) / 2)); }
html.gl .face {
    background: transparent;
    border-radius: 0;
    overflow: visible;
}
html:not(.gl) .face {
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.5) inset,
        0 18px 40px -18px rgba(0, 0, 0, 0.55),
        0 2px 6px rgba(0, 0, 0, 0.25);
}

/* Card stock: four thin edge faces so the card has thickness mid-flip. Inset past the
   rounded corners, and only shown once the card is turned enough for them to matter. */
.edge {
    position: absolute;
    background: var(--edge);
    backface-visibility: visible;
    visibility: hidden;
}
.card.edge-on .edge { visibility: visible; }
.edge-l, .edge-r { top: var(--r); width: var(--thick); height: calc(100% - 2 * var(--r)); transform-origin: 0 50%; transform: translateZ(calc(var(--thick) / -2)) rotateY(-90deg); }
.edge-l { left: 0; }
.edge-r { left: 100%; }
.edge-t, .edge-b { left: var(--r); width: calc(100% - 2 * var(--r)); height: var(--thick); transform-origin: 50% 0; transform: translateZ(calc(var(--thick) / -2)) rotateX(90deg); }
.edge-t { top: 0; }
.edge-b { top: 100%; }

canvas.paper {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}
html:not(.gl) canvas.paper { display: none; }

.content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--fs) * 4);
    color: var(--ink);
    font-family: var(--serif);
}
/* With WebGL the shader draws the type; the DOM copy stays for hit-testing and a11y.
   Every descendant, or a muted colour further down would show through as a second copy. */
html.gl .content,
html.gl .content * { color: transparent; }

[data-t] { white-space: nowrap; }

.content a { color: inherit; text-decoration: none; }
html:not(.gl) .content a { text-decoration: underline; text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
.content button {
    font: inherit;
    letter-spacing: inherit;
    text-transform: inherit;
    color: inherit;
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
}
.content :focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 6px;
    border-radius: 6px;
}

/* Tracked capitals: the trailing letter-space is balanced by an equal lead-in. */
.caps {
    text-transform: uppercase;
    letter-spacing: var(--track);
    padding-left: var(--track);
}

/* Without WebGL the raised gloss ink is plain ink with a hint of relief. */
html:not(.gl) .gloss { text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6), 0 -1px 0 rgba(0, 0, 0, 0.25); }
html:not(.gl) .gloss-rule { border-bottom: 1px solid var(--ink); }

/* ---- front ---- */
.name {
    --track: 0.22em;
    margin: 0;
    font-size: calc(var(--fs) * 4.6);
    font-weight: 500;
    line-height: 1.15;
}
.tagline {
    --track: 0.34em;
    margin: calc(var(--fs) * 0.9) 0 0;
    font-size: calc(var(--fs) * 2.0);
    font-weight: 400;
}
.actions {
    margin-top: calc(var(--fs) * 4.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(var(--fs) * 1.3);
}
.cta {
    --track: 0.26em;
    font-size: calc(var(--fs) * 2.6);
    font-weight: 500;
}
.links-toggle {
    font-size: calc(var(--fs) * 2.2);
    font-style: italic;
}
.contacts {
    display: none;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline;
    gap: 0.3em 0.9em;
    margin-top: calc(var(--fs) * 1.6);
    font-size: calc(var(--fs) * 2.2);
    letter-spacing: 0.03em;
}
.face.open .contacts { display: flex; }
.face.open .links-toggle { display: none; }
.note {
    margin: calc(var(--fs) * 0.9) 0 0;
    min-height: 1.4em;
    font-size: calc(var(--fs) * 2.0);
    font-style: italic;
}

/* ---- back ---- */
.heading {
    --track: 0.26em;
    margin: 0 0 calc(var(--fs) * 3.2);
    font-size: calc(var(--fs) * 3.2);
    font-weight: 500;
}
.projects {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: calc(var(--fs) * 1.5);
}
.projects li {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.5em;
    font-size: calc(var(--fs) * 2.6);
}
.projects a { font-weight: 500; padding: 0 0.1em; }
.blurb { font-style: italic; color: var(--ink-muted); }
.dash  { color: var(--ink-muted); }
.flip-back {
    margin: calc(var(--fs) * 3.8) 0 0;
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.4em;
    font-size: calc(var(--fs) * 2.4);
}
.flip-back i { font-style: italic; }
.flip-back button { font-weight: 500; padding: 0 0.2em; }

.mandala-wink {
    position: absolute;
    z-index: 2;
    bottom: calc(var(--fs) * 1.2);
    right: calc(var(--fs) * 1.8);
    font-size: 14px;
    line-height: 1;
    width: 1em;
    height: 1em;
    color: var(--ink-muted);
    opacity: 0.55;
    text-decoration: none;
    transition: opacity 0.2s;
}
.mandala-wink::before {
    content: '\00B7';
    animation: mandala-wink-cycle 3s steps(1, end) infinite;
}
.mandala-wink:hover { opacity: 1; }
@keyframes mandala-wink-cycle {
    0%, 33%   { content: '\00B7'; }
    34%, 66%  { content: '\2726'; }
    67%, 100% { content: '\25CC'; }
}

.hint {
    margin: 1.6rem 0 0;
    min-height: 1.2em;
    font-size: 0.95rem;
    font-style: italic;
    color: var(--hint);
    letter-spacing: 0.04em;
    text-align: center;
    opacity: 0;
    transition: opacity 1.2s ease 0.8s;
}
.hint.in { opacity: 1; }

/* A portrait card on portrait phones: same card, held the other way. */
@media (max-width: 640px) and (orientation: portrait) {
    :root {
        --card-w: min(84vw, 380px);
        --card-ratio: 0.5714;
        --fs: 1.6cqw;
    }
    .name { --track: 0.14em; font-size: calc(var(--fs) * 3.1); }
    .tagline { --track: 0.28em; }
    .contacts { flex-direction: column; align-items: center; gap: 0.35em; }
    .sep { display: none; }
    .projects li { flex-direction: column; align-items: center; gap: 0.15em; }
    .dash { display: none; }
    .blurb { font-size: 0.9em; }
}

@media (prefers-reduced-motion: reduce) {
    .card { transition: none; }
    .hint { transition: none; }
    .mandala-wink::before { animation: none; }
}