/* ==============================================
   miko.cam — Deep Burgundy / Darkroom Theme
   Magazine-Spread Architecture
   ============================================== */

/* ---- CSS Custom Properties ---- */
:root {
    --burgundy:    #6B1A1A;
    --blood-plum:  #9B2335;
    --aged-cream:  #F5EFE0;
    --ink-black:   #1C1412;
    --dark-umber:  #3D2B1F;
    --brass:       #8C6E3A;
    --signal-white:#F0F0F0;
    --static-gray: #5A5A5A;

    --font-display: 'Playfair Display', serif;
    --font-running: 'Libre Baskerville', serif;
    --font-body:    'Source Serif 4', serif;
    --font-folio:   'Bebas Neue', sans-serif;
    --font-mono:    'Space Mono', monospace;
    --font-hand:    'Caveat', cursive;

    --spine-width:  28px;
    --gutter-right: 24px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background: var(--aged-cream);
    color: var(--ink-black);
    font-family: var(--font-body);
    overflow-x: hidden;
    /* scroll-snap handled on container */
}

/* ---- Film Grain Overlay ---- */
.grain-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.07;
    background-image: url("assets/grain.svg");
    background-size: 200px 200px;
    animation: grainShift 0.12s steps(1) infinite;
}

@keyframes grainShift {
    0%   { background-position: 0px 0px; }
    25%  { background-position: -17px 11px; }
    50%  { background-position: 31px -23px; }
    75%  { background-position: -44px 7px; }
    100% { background-position: 19px -13px; }
}

/* ---- Spine Tab Navigation ---- */
.spine-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--spine-width);
    height: 100vh;
    background: var(--ink-black);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    border-right: 1px solid var(--dark-umber);
}

.spine-tab {
    width: 100%;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    border-bottom: 1px solid var(--dark-umber);
    transition: background 0.2s;
}

.spine-tab:last-child { border-bottom: none; }

.spine-tab span {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 10px;
    font-family: var(--font-folio);
    color: var(--static-gray);
    transition: color 0.2s;
    white-space: nowrap;
}

.spine-tab:hover span { color: var(--aged-cream); }
.spine-tab:hover { background: rgba(155, 35, 53, 0.2); }

.spine-tab.active span { color: var(--aged-cream); }

.spine-tab.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--burgundy);
}

/* ---- Spreads Container ---- */
.spreads-container {
    margin-left: var(--spine-width);
    height: 100vh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
}

/* ---- Generic Spread ---- */
.spread {
    height: 100vh;
    min-height: 100vh;
    scroll-snap-align: start;
    display: grid;
    grid-template-columns: var(--split, 60% 40%);
    position: relative;
    overflow: hidden;
}

/* ---- Film Grain on Images ---- */
.film-grain-img {
    position: relative;
}
.film-grain-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("assets/grain.svg");
    background-size: 200px 200px;
    mix-blend-mode: overlay;
    opacity: 0.12;
    pointer-events: none;
}

/* ---- Bibliographic Rules / Dividers ---- */
.biblio-rule {
    scroll-snap-align: none;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 var(--gutter-right) 0 40px;
    background: var(--aged-cream);
    height: 32px;
    flex-shrink: 0;
}

.rule-line {
    flex: 1;
    height: 2px;
    background: var(--brass);
}

.diamond {
    color: var(--brass);
    font-size: 10px;
    display: inline-block;
}

/* The dividers need to sit between scroll-snapped sections — they are part of the snap container */
.spreads-container .biblio-rule {
    height: auto;
    padding-top: 4px;
    padding-bottom: 4px;
}

/* ---- SPREAD I: Masthead ---- */
.spread-masthead {
    background: var(--aged-cream);
}

.masthead-title-col {
    background: var(--aged-cream);
    padding: 40px 32px 40px 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border-right: 3px solid var(--dark-umber);
}

/* Torn-edge diagonal on masthead left */
.masthead-title-col::after {
    content: '';
    position: absolute;
    right: -20px;
    top: 0;
    width: 40px;
    height: 100%;
    background: var(--ink-black);
    clip-path: polygon(20px 0%, 100% 0%, 100% 100%, 0% 100%);
    z-index: 2;
}

.masthead-torn-edge {
    position: absolute;
    right: -3px;
    top: 0;
    width: 6px;
    height: 100%;
    z-index: 3;
}

.masthead-spine-label {
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
    white-space: nowrap;
}

.spine-text {
    font-family: var(--font-folio);
    font-size: 11px;
    letter-spacing: 0.25em;
    color: var(--brass);
    text-transform: uppercase;
}

.masthead-content {
    padding-left: 28px;
    z-index: 1;
}

.masthead-eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.ornament-rule {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ornament-rule::before,
.ornament-rule::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--brass);
}

.folio-label {
    font-family: var(--font-folio);
    font-size: 11px;
    letter-spacing: 0.15em;
    color: var(--brass);
    text-transform: uppercase;
}

.masthead-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(60px, 12vw, 140px);
    line-height: 0.9;
    color: var(--burgundy);
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.dot-cam {
    color: var(--blood-plum);
}

.masthead-subtitle {
    font-family: var(--font-running);
    font-weight: 700;
    font-size: 16px;
    font-variant-caps: small-caps;
    letter-spacing: 0.05em;
    color: var(--ink-black);
    margin-bottom: 20px;
}

.masthead-rule {
    width: 60px;
    height: 2px;
    background: var(--brass);
    margin-bottom: 20px;
}

.masthead-desc {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.75;
    color: var(--dark-umber);
    max-width: 340px;
    margin-bottom: 24px;
}

.masthead-meta {
    margin-top: 8px;
}

/* Masthead Photo Column */
.masthead-photo-col {
    background: var(--ink-black);
    display: flex;
    align-items: stretch;
    position: relative;
    overflow: hidden;
}

.masthead-photo {
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
}

.photo-inner {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.masthead-subject {
    width: 100%;
    height: 100%;
    background:
        linear-gradient(135deg, #2a1a0f 0%, #1a0d08 30%, #0d0805 60%, #1c1006 100%);
    position: absolute;
    inset: 0;
}

/* Simulated film subject layers */
.masthead-subject::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 55% 45%, rgba(107,26,26,0.3) 0%, transparent 70%),
        radial-gradient(ellipse 40% 30% at 30% 70%, rgba(140,110,58,0.2) 0%, transparent 60%);
}

.masthead-subject::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, rgba(28,20,18,0.8) 0%, transparent 100%);
}

.photo-caption-card {
    background: var(--dark-umber);
    padding: 12px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    border-top: 2px solid var(--brass);
}

.photo-caption-card p {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--aged-cream);
    line-height: 1.3;
}

/* ---- SPREAD II: Contact Sheet ---- */
.spread-contact {
    background: var(--ink-black);
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
    scroll-snap-align: start;
}

.spread-full {
    padding: 32px 32px 32px 16px;
    display: flex;
    flex-direction: column;
}

.contact-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
    gap: 24px;
}

.contact-header-left h2 {
    margin-bottom: 6px;
}

.contact-header-right {
    max-width: 300px;
}

.section-display {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(32px, 5vw, 64px);
    color: var(--aged-cream);
    line-height: 1;
    letter-spacing: -0.02em;
}

.section-caption {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--static-gray);
    line-height: 1.6;
}

/* Sprocket Holes */
.sprocket-strip {
    height: 24px;
    background: var(--dark-umber);
    position: relative;
    flex-shrink: 0;
    overflow: hidden;
}

.sprocket-strip::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 12px;
    transform: translateY(-50%);
    background-image: repeating-linear-gradient(
        to right,
        transparent 0px,
        transparent 8px,
        var(--ink-black) 8px,
        var(--ink-black) 16px,
        transparent 16px,
        transparent 20px
    );
    background-size: 20px 12px;
}

/* Individual sprocket holes via box shadows */
.sprocket-strip::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translateY(-50%);
    width: 8px;
    height: 12px;
    border-radius: 2px;
    border: 1.5px solid var(--dark-umber);
    box-shadow:
        20px 0 0 0 var(--dark-umber), 40px 0 0 0 var(--dark-umber),
        60px 0 0 0 var(--dark-umber), 80px 0 0 0 var(--dark-umber),
        100px 0 0 0 var(--dark-umber), 120px 0 0 0 var(--dark-umber),
        140px 0 0 0 var(--dark-umber), 160px 0 0 0 var(--dark-umber),
        180px 0 0 0 var(--dark-umber), 200px 0 0 0 var(--dark-umber),
        220px 0 0 0 var(--dark-umber), 240px 0 0 0 var(--dark-umber),
        260px 0 0 0 var(--dark-umber), 280px 0 0 0 var(--dark-umber),
        300px 0 0 0 var(--dark-umber), 320px 0 0 0 var(--dark-umber),
        340px 0 0 0 var(--dark-umber), 360px 0 0 0 var(--dark-umber),
        380px 0 0 0 var(--dark-umber), 400px 0 0 0 var(--dark-umber),
        420px 0 0 0 var(--dark-umber), 440px 0 0 0 var(--dark-umber),
        460px 0 0 0 var(--dark-umber), 480px 0 0 0 var(--dark-umber),
        500px 0 0 0 var(--dark-umber), 520px 0 0 0 var(--dark-umber),
        540px 0 0 0 var(--dark-umber), 560px 0 0 0 var(--dark-umber),
        580px 0 0 0 var(--dark-umber), 600px 0 0 0 var(--dark-umber),
        620px 0 0 0 var(--dark-umber), 640px 0 0 0 var(--dark-umber),
        660px 0 0 0 var(--dark-umber), 680px 0 0 0 var(--dark-umber),
        700px 0 0 0 var(--dark-umber), 720px 0 0 0 var(--dark-umber),
        740px 0 0 0 var(--dark-umber), 760px 0 0 0 var(--dark-umber),
        780px 0 0 0 var(--dark-umber), 800px 0 0 0 var(--dark-umber),
        820px 0 0 0 var(--dark-umber), 840px 0 0 0 var(--dark-umber),
        860px 0 0 0 var(--dark-umber), 880px 0 0 0 var(--dark-umber),
        900px 0 0 0 var(--dark-umber), 920px 0 0 0 var(--dark-umber),
        940px 0 0 0 var(--dark-umber), 960px 0 0 0 var(--dark-umber),
        980px 0 0 0 var(--dark-umber), 1000px 0 0 0 var(--dark-umber),
        1020px 0 0 0 var(--dark-umber), 1040px 0 0 0 var(--dark-umber),
        1060px 0 0 0 var(--dark-umber), 1080px 0 0 0 var(--dark-umber),
        1100px 0 0 0 var(--dark-umber), 1120px 0 0 0 var(--dark-umber),
        1140px 0 0 0 var(--dark-umber), 1160px 0 0 0 var(--dark-umber),
        1180px 0 0 0 var(--dark-umber), 1200px 0 0 0 var(--dark-umber),
        1220px 0 0 0 var(--dark-umber), 1240px 0 0 0 var(--dark-umber),
        1260px 0 0 0 var(--dark-umber), 1280px 0 0 0 var(--dark-umber),
        1300px 0 0 0 var(--dark-umber), 1320px 0 0 0 var(--dark-umber),
        1340px 0 0 0 var(--dark-umber), 1360px 0 0 0 var(--dark-umber),
        1380px 0 0 0 var(--dark-umber), 1400px 0 0 0 var(--dark-umber),
        1420px 0 0 0 var(--dark-umber), 1440px 0 0 0 var(--dark-umber),
        1460px 0 0 0 var(--dark-umber), 1480px 0 0 0 var(--dark-umber),
        1500px 0 0 0 var(--dark-umber), 1520px 0 0 0 var(--dark-umber),
        1540px 0 0 0 var(--dark-umber), 1560px 0 0 0 var(--dark-umber),
        1580px 0 0 0 var(--dark-umber), 1600px 0 0 0 var(--dark-umber);
    background: transparent;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 8px;
    flex: 1;
    padding: 12px 0;
}

.contact-frame {
    position: relative;
    border: 2px solid var(--dark-umber);
    background: var(--ink-black);
    cursor: pointer;
    overflow: hidden;
    aspect-ratio: 3/2;
}

.contact-frame:hover {
    border-color: var(--blood-plum);
}

.frame-number {
    position: absolute;
    bottom: 4px;
    left: 6px;
    z-index: 2;
    font-size: 9px;
    letter-spacing: 0.1em;
    color: var(--brass);
}

.frame-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.frame-subject {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    transition: transform 0.15s;
}

/* Frame subjects — unique dark-photographic compositions */
.frame-s1  { background: linear-gradient(145deg, #1a0a0a 0%, #2d1515 50%, #0d0505 100%); }
.frame-s2  { background: linear-gradient(215deg, #0a0a12 0%, #15152d 50%, #05050d 100%); }
.frame-s3  { background: linear-gradient(170deg, #0f0f0a 0%, #252518 50%, #0a0a05 100%); }
.frame-s4  { background: linear-gradient(125deg, #12080a 0%, #2a1015 50%, #0a0508 100%); }
.frame-s5  { background: linear-gradient(195deg, #080f0f 0%, #142525 50%, #050d0d 100%); }
.frame-s6  { background: linear-gradient(155deg, #100a08 0%, #261a14 50%, #0a0805 100%); }
.frame-s7  { background: linear-gradient(235deg, #0a0810 0%, #1a1426 50%, #05040a 100%); }
.frame-s8  { background: linear-gradient(175deg, #0f0808 0%, #261515 50%, #0a0505 100%); }
.frame-s9  { background: linear-gradient(115deg, #080a0a 0%, #141e1e 50%, #050808 100%); }
.frame-s10 { background: linear-gradient(195deg, #10080a 0%, #261015 50%, #0a0508 100%); }
.frame-s11 { background: linear-gradient(145deg, #0a0a08 0%, #1a1a12 50%, #050503 100%); }
.frame-s12 { background: linear-gradient(225deg, #100a08 0%, #241810 50%, #0a0805 100%); }

/* Simulated photo content for frames */
.frame-s1::before  { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 50% 70% at 60% 40%, rgba(107,26,26,0.4) 0%, transparent 70%); }
.frame-s2::before  { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 50% at 30% 55%, rgba(140,110,58,0.3) 0%, transparent 60%); }
.frame-s3::before  { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 40% 80% at 70% 35%, rgba(245,239,224,0.1) 0%, transparent 70%); }
.frame-s4::before  { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 55% 45% at 45% 65%, rgba(155,35,53,0.35) 0%, transparent 65%); }
.frame-s5::before  { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 35% 60% at 55% 30%, rgba(107,26,26,0.3) 0%, transparent 55%); }
.frame-s6::before  { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 40% at 40% 70%, rgba(140,110,58,0.25) 0%, transparent 70%); }
.frame-s7::before  { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 45% 55% at 65% 50%, rgba(245,239,224,0.12) 0%, transparent 65%); }
.frame-s8::before  { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 35% at 35% 60%, rgba(107,26,26,0.4) 0%, transparent 60%); }
.frame-s9::before  { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 50% 65% at 55% 45%, rgba(155,35,53,0.3) 0%, transparent 70%); }
.frame-s10::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 40% 50% at 50% 55%, rgba(140,110,58,0.35) 0%, transparent 60%); }
.frame-s11::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 65% 45% at 40% 40%, rgba(245,239,224,0.1) 0%, transparent 65%); }
.frame-s12::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 55% 70% at 60% 55%, rgba(107,26,26,0.35) 0%, transparent 70%); }

/* Glitch animation for contact frames */
.contact-frame.glitching .frame-image {
    animation: glitchStrip 160ms steps(1) 2;
}

@keyframes glitchStrip {
    0% {
        clip-path: none;
        transform: none;
    }
    25% {
        clip-path: polygon(0 0, 100% 0, 100% 25%, 0 25%);
        transform: translateX(var(--d1, 8px));
    }
    50% {
        clip-path: polygon(0 25%, 100% 25%, 100% 50%, 0 50%);
        transform: translateX(var(--d2, -12px));
    }
    75% {
        clip-path: polygon(0 50%, 100% 50%, 100% 75%, 0 75%);
        transform: translateX(var(--d3, 6px));
    }
    100% {
        clip-path: none;
        transform: none;
    }
}

/* Full glitch overlay effect */
.contact-frame.glitching::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 0%,
        transparent 25%,
        rgba(240,240,240,0.15) 25%,
        rgba(240,240,240,0.15) 26%,
        transparent 26%,
        transparent 50%,
        rgba(90,90,90,0.2) 50%,
        rgba(90,90,90,0.2) 51%,
        transparent 51%,
        transparent 75%,
        rgba(240,240,240,0.1) 75%,
        rgba(240,240,240,0.1) 76%,
        transparent 76%
    );
    z-index: 3;
    pointer-events: none;
    animation: glitchOverlay 160ms steps(1) 2;
}

@keyframes glitchOverlay {
    0%   { opacity: 0; }
    25%  { opacity: 1; transform: translateX(-4px); }
    50%  { opacity: 1; transform: translateX(8px); }
    75%  { opacity: 1; transform: translateX(-2px); }
    100% { opacity: 0; transform: none; }
}

/* ---- SPREAD III: Long Read ---- */
.spread-longread {
    background: var(--aged-cream);
    grid-template-columns: var(--split, 38% 62%);
}

.longread-pullquote-col {
    background: var(--aged-cream);
    padding: 48px 24px 48px 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: 2px solid var(--brass);
    position: relative;
    overflow: visible;
}

.running-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--brass);
}

.folio-num {
    color: var(--blood-plum);
}

.pull-quote {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(18px, 2.5vw, 28px);
    line-height: 1.4;
    color: var(--burgundy);
    border-left: 4px solid var(--blood-plum);
    padding-left: 16px;
    margin-bottom: 16px;
    font-style: italic;
}

.pull-quote-attr {
    padding-left: 20px;
    color: var(--brass);
    font-size: 10px;
    letter-spacing: 0.15em;
}

/* Marginalia */
.marginalia {
    position: absolute;
    left: -40px;
    font-family: var(--font-hand);
    font-size: 14px;
    color: var(--brass);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.marginalia.visible {
    opacity: 1;
}

.longread-text-col {
    background: var(--aged-cream);
    padding: 48px 32px 48px 40px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.body-text {
    flex: 1;
}

.drop-cap-para {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink-black);
    margin-bottom: 20px;
}

.drop-cap {
    float: left;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 72px;
    line-height: 0.75;
    margin-right: 8px;
    margin-top: 8px;
    color: var(--burgundy);
}

.body-text p {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink-black);
    margin-bottom: 20px;
}

.body-caption {
    font-size: 14px !important;
    line-height: 1.3 !important;
    color: var(--dark-umber) !important;
    font-style: italic;
    border-top: 1px solid var(--brass);
    padding-top: 12px;
    margin-top: 24px !important;
}

/* ---- SPREAD IV: Portfolio Folio ---- */
.spread-folio {
    background: var(--ink-black);
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
    scroll-snap-align: start;
}

.folio-full {
    padding: 32px 0 32px 16px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.folio-header {
    display: flex;
    align-items: baseline;
    gap: 24px;
    padding-right: 32px;
    margin-bottom: 24px;
}

.running-head-inline {
    display: flex;
    align-items: center;
    gap: 12px;
}

.running-head-inline::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--brass);
    flex-shrink: 0;
}

/* Bookshelf layout: different heights, bottom-aligned */
.folio-bookshelf {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex: 1;
    padding-right: 0;
    overflow: hidden;
}

.folio-image {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.folio-img-a {
    width: 28%;
    height: 68%;
}

.folio-img-b {
    width: 38%;
    height: 85%;
}

.folio-img-c {
    width: 26%;
    height: 55%;
}

/* Middle image bleeds off right edge */
.folio-bleed {
    margin-right: -24px;
}

.folio-photo {
    flex: 1;
    position: relative;
    overflow: hidden;
    border: 2px solid var(--dark-umber);
}

.folio-subject {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
}

.folio-s1 {
    background: linear-gradient(135deg, #1a0f0a 0%, #2d1a10 35%, #0f0805 70%, #1a1008 100%);
}
.folio-s1::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 50% 30%, rgba(107,26,26,0.5) 0%, transparent 70%),
        linear-gradient(to bottom, transparent 60%, rgba(28,20,18,0.7) 100%);
}

.folio-s2 {
    background: linear-gradient(165deg, #0f0a14 0%, #1e1528 50%, #080510 100%);
}
.folio-s2::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 55% 65% at 45% 45%, rgba(140,110,58,0.3) 0%, transparent 65%),
        linear-gradient(to bottom, transparent 55%, rgba(28,20,18,0.75) 100%);
}

.folio-s3 {
    background: linear-gradient(195deg, #0f0d0a 0%, #201e14 50%, #08080a 100%);
}
.folio-s3::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 45% 55% at 55% 40%, rgba(245,239,224,0.15) 0%, transparent 60%),
        linear-gradient(to bottom, transparent 65%, rgba(28,20,18,0.65) 100%);
}

/* Museum-style label cards */
.museum-label {
    background: var(--aged-cream);
    padding: 10px 12px;
    border-top: 2px solid var(--brass);
    flex-shrink: 0;
}

.museum-number {
    display: block;
    margin-bottom: 4px;
}

.museum-title {
    font-family: var(--font-running);
    font-size: 14px;
    font-weight: 700;
    color: var(--ink-black);
    margin-bottom: 4px;
    font-variant-caps: small-caps;
}

.museum-meta {
    display: block;
    font-size: 10px;
}

/* ---- SPREAD V: Colophon ---- */
.spread-colophon {
    background: var(--burgundy);
    grid-template-columns: 1fr;
}

.colophon-full {
    padding: 40px 32px 40px 16px;
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--burgundy);
}

.colophon-grid {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.2fr 1.5fr;
    gap: 32px;
    flex: 1;
    align-items: start;
    padding-top: 16px;
}

.colophon-main-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(48px, 7vw, 96px);
    color: var(--aged-cream);
    line-height: 0.85;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.colophon-tagline {
    font-family: var(--font-running);
    font-size: 14px;
    color: rgba(245,239,224,0.6);
    font-variant-caps: small-caps;
    letter-spacing: 0.08em;
}

.colophon-col {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.colophon-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.colophon-section-head {
    color: var(--brass);
    font-size: 10px;
}

.colophon-rule {
    width: 100%;
    height: 1px;
    background: rgba(140,110,58,0.4);
    margin-bottom: 4px;
}

.colophon-text {
    font-family: var(--font-body);
    font-size: 13px;
    line-height: 1.8;
    color: rgba(245,239,224,0.8);
}

.colophon-footer {
    margin-top: auto;
    padding-top: 16px;
}

.colophon-footer-rule {
    width: 100%;
    height: 1px;
    background: rgba(140,110,58,0.5);
    margin-bottom: 12px;
}

.colophon-footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.colophon-footer-content .folio-label {
    color: rgba(245,239,224,0.5);
}

.colophon-center-mark {
    color: var(--brass) !important;
}

/* ---- Lightbox ---- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox.open {
    display: flex;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(28, 20, 18, 0.92);
    cursor: pointer;
}

.lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 80vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    gap: 12px;
    animation: lightboxIn 280ms steps(4) forwards;
}

@keyframes lightboxIn {
    0%   { opacity: 0; clip-path: inset(0 100% 0 0); }
    25%  { opacity: 0.3; clip-path: inset(0 75% 0 0); }
    50%  { opacity: 0.6; clip-path: inset(0 50% 0 0); }
    75%  { opacity: 0.9; clip-path: inset(0 25% 0 0); }
    100% { opacity: 1; clip-path: inset(0 0% 0 0); }
}

.lightbox-image {
    max-height: 70vh;
    overflow: hidden;
    border: 2px solid var(--brass);
}

.lightbox-photo {
    width: 60vw;
    height: 60vh;
    position: relative;
    overflow: hidden;
}

.lightbox-subject {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
}

.lightbox-caption {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0 4px;
}

.lightbox-caption p {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--aged-cream);
    line-height: 1.4;
}

.lightbox-close {
    position: absolute;
    top: -36px;
    right: 0;
    background: none;
    border: 1px solid var(--brass);
    color: var(--brass);
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-family: var(--font-folio);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
}

.lightbox-close:hover {
    background: var(--blood-plum);
    color: var(--aged-cream);
    border-color: var(--blood-plum);
}

/* ---- Spread dividers within snap context ---- */
/* Remove snap from dividers so only spreads snap */
.spread-divider {
    scroll-snap-align: none;
}

/* Keep spreads container layout flowing */
.spreads-container {
    display: block;
}

/* ---- Scrollbar ---- */
.spreads-container::-webkit-scrollbar {
    width: 4px;
}
.spreads-container::-webkit-scrollbar-track {
    background: var(--ink-black);
}
.spreads-container::-webkit-scrollbar-thumb {
    background: var(--burgundy);
    border-radius: 0;
}

/* ---- Scroll reveal for marginalia ---- */
@keyframes marginaliaIn {
    from { opacity: 0; transform: translateY(8px) rotate(var(--rot, -2deg)); }
    to   { opacity: 1; transform: translateY(0) rotate(var(--rot, -2deg)); }
}