/* ppuzzl.bar v2 — late-night astronomers' tasting room (wabi-sabi, navy-metallic) */

:root {
    --midnight-hull: #0E1A2E;
    --indigo-dust: #1B2940;
    --tarnished-silver: #B8C2CC;
    --patina-verdigris: #6FA39A;
    --tarnished-gold: #C9A961;
    --foxed-cream: #E8DFC8;
    --silver-particle: #D7DDE2;

    --col-max: 620px;
    --plate-pad: clamp(96px, 14vh, 192px);

    --font-display: "Cormorant Garamond", "Cormorant", "Inter", serif;
    --font-body: "EB Garamond", "Cormorant Garamond", Georgia, serif;
    --font-sc: "Spectral SC", "Cormorant SC", "Inter", serif;
}

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

html {
    background: var(--midnight-hull);
    scroll-behavior: smooth;
}

body {
    background: var(--midnight-hull);
    color: var(--tarnished-silver);
    font-family: var(--font-body);
    font-size: clamp(17px, 1.35vw, 19px);
    line-height: 1.72;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    text-rendering: geometricPrecision;
    -webkit-font-smoothing: antialiased;
}

/* Foxing texture overlay — barely-perceptible mottled paper noise */
.foxing-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    z-index: 1;
    mix-blend-mode: overlay;
    animation: foxingFadeIn 800ms ease-out forwards;
}

@keyframes foxingFadeIn {
    to { opacity: 0.04; }
}

/* Particle canvas (silver dust motes) */
#particleField {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Vignette — soft indigo darkening at edges */
.vignette {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    background:
        radial-gradient(ellipse at center,
            transparent 40%,
            rgba(14, 26, 46, 0.55) 92%,
            rgba(14, 26, 46, 0.85) 100%);
}

/* Main folio column */
.folio {
    position: relative;
    z-index: 3;
    max-width: var(--col-max);
    margin: 0 auto;
    padding: 12vh 28px 18vh;
}

/* Brass-rule dividers between plates */
.brass-rule {
    display: block;
    width: 100%;
    max-width: 420px;
    margin: clamp(64px, 10vh, 132px) auto;
    height: 12px;
    opacity: 0;
    transition: opacity 1200ms ease-out;
}

.brass-rule.visible { opacity: 1; }

/* ============ PLATES ============ */

.plate {
    margin-bottom: var(--plate-pad);
    position: relative;
}

.plate-opening {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: 8vh;
    margin-bottom: var(--plate-pad);
}

/* Frontispiece photograph treatment */
.frontispiece {
    width: 100%;
    max-width: 480px;
    margin: 0 auto 8vh;
    opacity: 0;
    filter: blur(12px);
    transition: opacity 1200ms ease-out, filter 1200ms ease-out;
}

.frontispiece.developed {
    opacity: 1;
    filter: blur(0);
}

.duotone-art {
    display: block;
    width: 100%;
    height: auto;
    background: var(--midnight-hull);
    /* Uneven deckle-edge inner border (wabi-sabi) */
    padding: 6px 5px 7px 4px;
    border-top: 1px solid var(--foxed-cream);
    border-bottom: 1.4px solid var(--foxed-cream);
    border-left: 0.8px solid var(--foxed-cream);
    border-right: 1.2px solid var(--foxed-cream);
    border-radius: 0.5px 1px 0.5px 1.2px;
    box-shadow:
        0 0 0 0.6px rgba(232, 223, 200, 0.35),
        0 12px 36px rgba(0, 0, 0, 0.5);
}

.frontispiece .plate-numeral {
    display: block;
    text-align: center;
    margin-top: 12px;
    font-family: var(--font-sc);
    font-size: 12px;
    letter-spacing: 0.14em;
    color: var(--patina-verdigris);
    opacity: 0.75;
}

/* Wordmark — PPUZZL */
.wordmark {
    text-align: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(40px, 5.6vw, 72px);
    letter-spacing: 0.16em;
    color: var(--tarnished-gold);
    text-transform: uppercase;
    line-height: 1;
    margin: 0 auto;
    text-shadow:
        0 0 18px rgba(201, 169, 97, 0.18),
        0 0 1px rgba(201, 169, 97, 0.5);
    user-select: none;
}

.wordmark .glyph {
    display: inline-block;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 700ms ease-out, transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.wordmark .glyph.lit {
    opacity: 1;
    transform: translateY(0);
}

/* Hand-inked underscore beneath wordmark */
.wordmark-underscore {
    display: block;
    width: clamp(220px, 28vw, 360px);
    height: 14px;
    margin: 12px auto 0;
}

.wordmark-underscore path {
    stroke-dasharray: 360;
    stroke-dashoffset: 360;
}

.wordmark-underscore.drawn path {
    transition: stroke-dashoffset 700ms ease-out;
    stroke-dashoffset: 0;
}

/* Italic preface line */
.preface {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 300;
    font-size: clamp(17px, 1.5vw, 21px);
    color: var(--tarnished-silver);
    text-align: center;
    margin-top: 26px;
    letter-spacing: 0.01em;
    opacity: 0;
    transition: opacity 1000ms ease-out;
}

.preface.lit { opacity: 0.85; }

/* Plate header */
.plate-header {
    margin-bottom: 36px;
    position: relative;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.plate.visible .plate-header {
    opacity: 1;
    transform: translateY(0);
}

.plate-numeral {
    display: block;
    font-family: var(--font-sc);
    font-size: 12px;
    letter-spacing: 0.14em;
    color: var(--patina-verdigris);
    margin-bottom: 14px;
    text-transform: uppercase;
}

.plate-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(28px, 3.4vw, 44px);
    color: var(--foxed-cream);
    letter-spacing: -0.01em;
    line-height: 1.1;
    margin-bottom: 10px;
}

.title-underscore {
    display: block;
    width: 240px;
    max-width: 60%;
    height: 10px;
    margin-top: 6px;
}

.title-underscore .ts-path {
    stroke-dasharray: 260;
    stroke-dashoffset: 260;
}

.plate.title-drawn .title-underscore .ts-path {
    transition: stroke-dashoffset 400ms ease-out;
    stroke-dashoffset: 0;
}

/* Plate body paragraphs */
.plate-body { position: relative; }

.paragraph {
    font-family: var(--font-body);
    color: var(--tarnished-silver);
    margin-bottom: 1.4em;
    text-align: left; /* ragged-right */
    hyphens: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 700ms ease-out, transform 700ms ease-out;
}

.paragraph em,
.exhibit-prose em,
.colophon-text em {
    font-style: italic;
    font-family: var(--font-body);
    color: var(--foxed-cream);
}

.plate.visible .paragraph { opacity: 1; transform: translateY(0); }

/* Drop-cap on first paragraph of Plate I */
.dropcap-paragraph::first-letter {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 96px;
    color: var(--tarnished-gold);
    float: left;
    line-height: 0.82;
    margin: 6px 10px 0 -2px;
    /* Intentionally clipped at upper-left corner (printer's ink ran out) */
    clip-path: polygon(
        12% 0%, 100% 0%, 100% 100%, 0% 100%, 0% 40%, 6% 26%, 4% 16%, 9% 10%
    );
    text-shadow: 0 0 16px rgba(201, 169, 97, 0.2);
}

/* Marginalia (only visible on wide viewports) */
.marginalia-comet,
.marginalia-aster {
    position: absolute;
    width: 56px;
    height: 56px;
    pointer-events: none;
    opacity: 0;
    transform: rotate(-8deg);
    transition: opacity 800ms ease-out, transform 800ms ease-out;
    display: none;
}

.marginalia-comet.lit,
.marginalia-aster.lit {
    opacity: 0.6;
    transform: rotate(0deg);
}

.comet-1 { top: 38%; right: -88px; }
.comet-2 { top: 12%; left: -84px; }
.comet-3 { top: 8%; right: -88px; }
.aster-1 { width: 28px; height: 28px; top: 6%; left: -56px; }

@media (min-width: 1080px) {
    .marginalia-comet,
    .marginalia-aster { display: block; }
}

/* ============ PLATE II — CATALOGUE ============ */

.exhibit {
    margin-top: 56px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 800ms ease-out, transform 800ms ease-out;
}

.exhibit.visible {
    opacity: 1;
    transform: translateY(0);
}

.exhibit-figure {
    margin-bottom: 18px;
}

.exhibit-figure .duotone-art {
    filter: blur(8px) saturate(0.6);
    transition: filter 900ms ease-out;
}

.exhibit.developed .duotone-art {
    filter: blur(0) saturate(1);
}

.exhibit-figure figcaption {
    margin-top: 10px;
    font-family: var(--font-sc);
    font-size: 12px;
    letter-spacing: 0.14em;
    color: var(--patina-verdigris);
    opacity: 0.78;
}

.exhibit-figure figcaption em {
    font-family: var(--font-body);
    font-style: italic;
    letter-spacing: 0;
    color: var(--tarnished-silver);
    font-size: 13px;
    text-transform: none;
}

.exhibit-label {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(22px, 2.4vw, 28px);
    color: var(--foxed-cream);
    margin: 12px 0 8px;
    letter-spacing: -0.005em;
    line-height: 1.2;
}

.exhibit-prose {
    font-family: var(--font-body);
    color: var(--tarnished-silver);
}

/* ============ PLATE III — FOOTNOTES ============ */

.footnote-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footnote {
    font-family: var(--font-body);
    font-size: clamp(15px, 1.15vw, 16.5px);
    line-height: 1.7;
    color: var(--tarnished-silver);
    margin-bottom: 1.4em;
    padding-left: 1.6em;
    text-indent: -1.6em;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 700ms ease-out, transform 700ms ease-out;
}

.plate.visible .footnote { opacity: 0.9; transform: translateY(0); }

.fn-num {
    font-family: var(--font-sc);
    font-size: 12px;
    letter-spacing: 0.14em;
    color: var(--tarnished-gold);
    margin-right: 0.5em;
}

/* ============ COLOPHON ============ */

.plate-colophon {
    text-align: center;
    padding-bottom: 4vh;
}

.colophon-text {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 300;
    font-size: clamp(16px, 1.4vw, 19px);
    color: var(--tarnished-silver);
    max-width: 520px;
    margin: 0 auto 36px;
    opacity: 0;
    transition: opacity 900ms ease-out;
}

.plate-colophon.visible .colophon-text { opacity: 0.85; }

.monogram {
    display: block;
    width: 130px;
    height: 130px;
    margin: 0 auto 24px;
    opacity: 0;
    transition: opacity 900ms ease-out;
}

.plate-colophon.visible .monogram { opacity: 1; }

.colophon-date {
    font-family: var(--font-sc);
    font-size: 11.5px;
    letter-spacing: 0.18em;
    color: var(--patina-verdigris);
    opacity: 0;
    transition: opacity 900ms ease-out;
}

.plate-colophon.visible .colophon-date { opacity: 0.75; }

/* Selection */
::selection {
    background: rgba(201, 169, 97, 0.35);
    color: var(--foxed-cream);
}

/* Scrollbar — keep room-dim */
::-webkit-scrollbar {
    width: 8px;
    background: var(--midnight-hull);
}
::-webkit-scrollbar-thumb {
    background: var(--indigo-dust);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--patina-verdigris);
}

/* Narrow viewports — pull marginalia under content */
@media (max-width: 720px) {
    .folio { padding: 8vh 20px 12vh; }
    .plate-opening { min-height: 95vh; }
    .dropcap-paragraph::first-letter {
        font-size: 72px;
        line-height: 0.82;
        margin: 4px 8px 0 -1px;
    }
}