/* dilemma.studio — Dark academia codex */

:root {
    --bg-deep: #0D0509;
    --bg-primary: #1C0A12;
    --bg-mid: #140810;
    --frame-outer: #3A1526;
    --accent: #C9A96E;
    --text-primary: #E8D5B5;
    --text-body: #B8A08A;
    --text-muted: #7A5C42;
    --highlight: #8B3A4A;
    --shadow: #060206;

    --font-display: "Playfair Display", "Times New Roman", serif;
    --font-heading: "Cormorant Garamond", "Georgia", serif;
    --font-body: "Crimson Pro", "Georgia", serif;
    --font-accent: "IM Fell English", "Garamond", serif;

    --frame-inset: 24px;
}

@media (max-width: 720px) {
    :root { --frame-inset: 12px; }
}

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

html, body {
    background: var(--bg-primary);
    color: var(--text-body);
    font-family: var(--font-body);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    position: relative;
}

/* ====== Codex Frame ====== */
.codex-frame {
    position: fixed;
    inset: var(--frame-inset);
    pointer-events: none;
    z-index: 100;
    border: 1px solid var(--frame-outer);
    box-shadow:
        inset 0 0 0 4px var(--bg-primary),
        inset 0 0 0 5px var(--accent),
        0 0 60px 10px rgba(6,2,6,0.8) inset;
}

.frame-corner {
    position: absolute;
    width: 28px;
    height: 28px;
    border-color: var(--accent);
    border-style: solid;
    border-width: 0;
    opacity: 0.85;
}

.frame-corner.tl { top: -1px; left: -1px; border-top-width: 2px; border-left-width: 2px; }
.frame-corner.tr { top: -1px; right: -1px; border-top-width: 2px; border-right-width: 2px; }
.frame-corner.bl { bottom: -1px; left: -1px; border-bottom-width: 2px; border-left-width: 2px; }
.frame-corner.br { bottom: -1px; right: -1px; border-bottom-width: 2px; border-right-width: 2px; }

.frame-corner::before,
.frame-corner::after {
    content: "";
    position: absolute;
    background: var(--accent);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    opacity: 0.7;
}

.frame-corner.tl::before { top: 4px; left: 4px; }
.frame-corner.tr::before { top: 4px; right: 4px; }
.frame-corner.bl::before { bottom: 4px; left: 4px; }
.frame-corner.br::before { bottom: 4px; right: 4px; }

/* ====== Scroll Indicator ====== */
.scroll-indicator {
    position: fixed;
    top: var(--frame-inset);
    bottom: var(--frame-inset);
    left: calc(var(--frame-inset) + 6px);
    width: 1px;
    background: rgba(201, 169, 110, 0.12);
    z-index: 90;
    pointer-events: none;
}

.scroll-indicator-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 0%;
    background: linear-gradient(to bottom, var(--accent), rgba(201,169,110,0.4));
    box-shadow: 0 0 6px rgba(201,169,110,0.5);
    transition: height 80ms linear;
}

/* ====== Chapters ====== */
.codex { position: relative; z-index: 1; }

.chapter {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: calc(var(--frame-inset) + 32px);
    position: relative;
    overflow: hidden;
}

.chapter-i { background: var(--bg-primary); }
.chapter-ii { background: var(--bg-mid); }
.chapter-iii { background: #110610; }
.chapter-iv { background: var(--bg-mid); }
.chapter-v { background: #0F060C; }
.chapter-vi { background: #0C040A; }
.chapter-vii { background: var(--bg-deep); }

.chapter-content {
    max-width: 38ch;
    text-align: left;
    position: relative;
    z-index: 5;
}

/* ====== Reveal animation ====== */
.reveal {
    opacity: 0;
    filter: blur(8px);
    transform: translateY(40px);
    transition: opacity 800ms ease-out, filter 800ms ease-out, transform 800ms ease-out;
}

.reveal.visible {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
}

/* ====== Title Page ====== */
.title-page { text-align: center; max-width: none; }

.candle-spotlight {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 50%,
        rgba(58, 21, 38, 0.85) 0%,
        rgba(28, 10, 18, 0.6) 35%,
        rgba(13, 5, 9, 0.95) 75%);
    background-size: 100% 100%;
    background-position: 50% 50%;
    animation: candleFlicker 6s ease-in-out infinite;
    z-index: 1;
    pointer-events: none;
}

@keyframes candleFlicker {
    0%, 100% { background-size: 100% 100%; background-position: 50% 50%; opacity: 1; }
    25% { background-size: 102% 101%; background-position: 50.5% 49.5%; opacity: 0.96; }
    50% { background-size: 98% 99%; background-position: 49.5% 50.5%; opacity: 1; }
    75% { background-size: 101% 102%; background-position: 50% 51%; opacity: 0.94; }
}

.title {
    font-family: var(--font-display);
    font-weight: 700;
    font-style: italic;
    font-size: clamp(2.8rem, 9vw, 7rem);
    line-height: 1.05;
    letter-spacing: 0.06em;
    color: var(--text-primary);
    text-shadow: 0 0 40px rgba(201, 169, 110, 0.25), 0 4px 12px rgba(6,2,6,0.9);
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 5;
}

.title .char {
    display: inline-block;
    opacity: 0;
    transition: opacity 600ms ease-out;
}

.title .char.in { opacity: 1; }

.epigraph {
    font-family: var(--font-heading);
    font-style: italic;
    font-weight: 600;
    font-size: clamp(1.1rem, 2.2vw, 1.6rem);
    color: var(--accent);
    letter-spacing: 0.04em;
    opacity: 0;
    animation: rise 2.5s ease-out 1.4s forwards;
    margin-bottom: 0.6rem;
    position: relative;
    z-index: 5;
}

.epigraph-translation {
    font-family: var(--font-accent);
    font-size: clamp(0.7rem, 1vw, 0.85rem);
    color: var(--text-muted);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    opacity: 0;
    animation: rise 2.5s ease-out 2.2s forwards;
    position: relative;
    z-index: 5;
}

@keyframes rise {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ====== Chapter content typography ====== */
.chapter-label {
    font-family: var(--font-accent);
    font-size: clamp(0.7rem, 1vw, 0.85rem);
    color: var(--text-muted);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 1.4rem;
}

.chapter-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-style: italic;
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1.1;
    letter-spacing: 0.04em;
    color: var(--text-primary);
    margin-bottom: 1.6rem;
}

.ornamental-rule {
    width: 100%;
    height: 14px;
    margin: 0 0 1.8rem 0;
    position: relative;
    opacity: 0.55;
}

.ornamental-rule::before,
.ornamental-rule::after {
    content: "";
    position: absolute;
    top: 50%;
    height: 1px;
    width: calc(50% - 14px);
    background: var(--accent);
}

.ornamental-rule::before { left: 0; }
.ornamental-rule::after { right: 0; }

.ornamental-rule {
    background: none;
}

.ornamental-rule > i,
.ornamental-rule {
    --d: 1;
}

.ornamental-rule::after { transform: translateY(-50%); }
.ornamental-rule::before { transform: translateY(-50%); }

.ornamental-rule {
    /* center diamond via inline svg-like CSS */
}

.chapter-content .ornamental-rule {
    background-image:
        linear-gradient(45deg, transparent 46%, var(--accent) 46%, var(--accent) 54%, transparent 54%),
        linear-gradient(-45deg, transparent 46%, var(--accent) 46%, var(--accent) 54%, transparent 54%);
    background-size: 12px 12px, 12px 12px;
    background-position: center center, center center;
    background-repeat: no-repeat, no-repeat;
}

.prose {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    line-height: 1.75;
    color: var(--text-body);
    margin-bottom: 1.2rem;
}

.drop-cap {
    font-family: var(--font-display);
    font-weight: 700;
    font-style: normal;
    color: var(--highlight);
    text-shadow: 1px 2px 0 var(--frame-outer);
    float: left;
    font-size: 3.6em;
    line-height: 0.85;
    padding: 0.1em 0.1em 0 0;
    margin-right: 0.05em;
}

/* ====== Margin notes ====== */
.margin-note {
    display: none;
    position: absolute;
    top: 50%;
    right: calc(var(--frame-inset) + 30px);
    font-family: var(--font-accent);
    font-size: 0.78rem;
    color: var(--text-muted);
    opacity: 0.4;
    letter-spacing: 0.08em;
    transform: rotate(90deg) translateX(-50%);
    transform-origin: right top;
    white-space: nowrap;
    pointer-events: none;
}

@media (min-width: 1200px) {
    .margin-note { display: block; }
}

/* ====== Quill SVG (Chapter III) ====== */
.quill-svg {
    position: absolute;
    left: calc(var(--frame-inset) + 40px);
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 380px;
    opacity: 0.7;
    z-index: 2;
}

.quill-path {
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
    transition: stroke-dashoffset 3s ease-out;
}

.chapter-iii.in-view .quill-path {
    stroke-dashoffset: 0;
}

@media (max-width: 900px) {
    .quill-svg { display: none; }
}

/* ====== Paper texture ====== */
.paper-texture {
    position: absolute;
    inset: 0;
    background-image: repeating-conic-gradient(#B8A08A 0.0008%, transparent 0.0012%);
    opacity: 0.06;
    mix-blend-mode: multiply;
    pointer-events: none;
    z-index: 2;
}

/* ====== Ghostly portrait (Chapter V) ====== */
.ghost-portrait {
    position: absolute;
    right: 6%;
    top: 50%;
    width: 280px;
    height: 380px;
    transform: translateY(-50%);
    opacity: 0.18;
    filter: contrast(0.9) sepia(0.3);
    z-index: 2;
    pointer-events: none;
}

.ghost-portrait svg {
    width: 100%;
    height: 100%;
}

.chapter-v .off-center {
    margin-right: auto;
    margin-left: 8%;
    justify-self: start;
}

@media (max-width: 900px) {
    .ghost-portrait { display: none; }
    .chapter-v .off-center { margin-left: 0; justify-self: center; }
}

/* ====== Magnetic heading ====== */
.magnetic-heading .mword {
    display: inline-block;
    transition: transform 200ms ease-out;
    will-change: transform;
}

/* ====== Final chapter ====== */
.final-content {
    text-align: center;
    max-width: none;
}

.closing-line {
    font-family: var(--font-heading);
    font-style: italic;
    font-weight: 400;
    font-size: 1.2rem;
    color: var(--accent);
    letter-spacing: 0.05em;
    animation: pulseAttention 4s ease-in-out infinite;
    margin-bottom: 3rem;
}

@keyframes pulseAttention {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

.closing-domain {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.4rem;
    letter-spacing: 0.05em;
}

.domain-reveal {
    color: var(--text-primary);
    opacity: 0;
    position: relative;
    cursor: default;
    transition: opacity 600ms ease-out;
    display: inline-block;
    padding-bottom: 4px;
}

.domain-reveal::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 600ms ease-out;
}

.closing-domain:hover .domain-reveal {
    opacity: 1;
}

.closing-domain:hover .domain-reveal::after {
    transform: scaleX(1);
}

/* ====== Ink blots ====== */
.ink-blot {
    position: absolute;
    bottom: calc(var(--frame-inset) + 18px);
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 18px;
    z-index: 3;
    opacity: 0.6;
    pointer-events: none;
}

.ink-blot::before,
.ink-blot::after {
    content: "";
    position: absolute;
    background: var(--frame-outer);
    border-radius: 50%;
}

.ink-blot::before {
    width: 14px;
    height: 12px;
    border-radius: 60% 40% 50% 50%;
    top: 2px;
    left: 2px;
    box-shadow:
        12px 1px 0 -2px var(--frame-outer),
        18px 6px 0 -3px var(--frame-outer),
        4px 8px 0 -4px var(--frame-outer);
}

.ink-blot::after {
    width: 6px;
    height: 4px;
    border-radius: 50%;
    top: 12px;
    left: 18px;
    background: var(--highlight);
    opacity: 0.5;
}

.chapter-vii .ink-blot { display: none; }

/* ====== Vignette ====== */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 30%, rgba(6,2,6,0.6) 100%);
    pointer-events: none;
    z-index: 95;
    mix-blend-mode: multiply;
}