/* ============================================
   turingtest.quest - Cottagecore AI Philosophy
   ============================================ */

/* CSS Custom Properties */
:root {
    --aged-amber: #b8860b;
    --fernwood-green: #4a6741;
    --thistle-violet: #7b6b8a;
    --parchment: #f5f0e8;
    --linen: #ebe3d5;
    --walnut-ink: #2c2416;
    --faded-ink: #6b5e4f;
    --rose-gold: #c4956a;
    --midnight-soil: #1a1510;
    --font-heading: 'Cormorant Garamond', 'Georgia', serif;
    --font-body: 'EB Garamond', 'Georgia', serif;
    --font-handwritten: 'Caveat', cursive;
    --font-mono: 'IBM Plex Mono', monospace;
    --vertical-rhythm: 120px;
    --content-max: 680px;
}

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

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

body {
    background-color: var(--parchment);
    color: var(--walnut-ink);
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.75;
    overflow-x: hidden;
    position: relative;
}

/* Typography Classes */
.caveat {
    font-family: var(--font-handwritten);
}

.ibm-plex {
    font-family: var(--font-mono);
    font-weight: 300;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   Opening Section - Botanical Curtain
   ============================================ */
.opening {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--midnight-soil);
}

.opening-curtain {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background-color: var(--midnight-soil);
    z-index: 2;
    transition: transform 1.5s cubic-bezier(0.65, 0, 0.35, 1);
}

.opening-curtain--left {
    left: 0;
}

.opening-curtain--right {
    right: 0;
}

.opening.revealed .opening-curtain--left {
    transform: translateX(-100%);
}

.opening.revealed .opening-curtain--right {
    transform: translateX(100%);
}

.curtain-botanical {
    width: 100%;
    height: 100%;
    opacity: 0.4;
}

.opening-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
}

.opening-title {
    font-family: var(--font-heading);
    color: var(--parchment);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.title-line {
    display: block;
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 0.02em;
    opacity: 0;
    transform: translateY(30px);
    animation: titleReveal 1s ease-out forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.3s;
}

.title-line--accent {
    color: var(--aged-amber);
    font-size: clamp(4rem, 12vw, 10rem);
}

.title-subtitle {
    display: block;
    font-family: var(--font-handwritten);
    font-size: clamp(1.2rem, 3vw, 2rem);
    color: var(--rose-gold);
    font-weight: 400;
    margin-top: 1rem;
    opacity: 0;
    animation: titleReveal 1s ease-out 0.8s forwards;
}

.opening-scroll-hint {
    color: var(--faded-ink);
    font-size: 1.2rem;
    margin-top: 3rem;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.5s forwards;
    position: relative;
    z-index: 3;
}

.opening-scroll-hint::after {
    content: '';
    display: block;
    width: 1px;
    height: 40px;
    background: var(--faded-ink);
    margin: 1rem auto 0;
    animation: scrollPulse 2s ease-in-out 2s infinite;
}

@keyframes titleReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    to {
        opacity: 0.7;
    }
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 0.8; transform: scaleY(1.3); }
}

/* ============================================
   Vine Navigation
   ============================================ */
.vine-nav {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.vine-nav.visible {
    opacity: 1;
}

.vine-nav-svg {
    position: absolute;
    width: 30px;
    height: 200px;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
    display: none;
}

.vine-nav-leaf {
    width: 24px;
    height: 24px;
    border: none;
    background: none;
    cursor: pointer;
    padding: 0;
    opacity: 0.4;
    transform: scale(0.7) rotate(-30deg);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.vine-nav-leaf.active {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.vine-nav-leaf:hover {
    opacity: 0.8;
    transform: scale(0.9) rotate(-10deg);
}

.vine-nav-leaf.active:hover {
    transform: scale(1.1) rotate(5deg);
}

.vine-nav-leaf svg {
    width: 100%;
    height: 100%;
}

/* ============================================
   Timeline Main
   ============================================ */
.timeline {
    position: relative;
    padding: var(--vertical-rhythm) 0;
    min-height: 100vh;
}

/* Vine Spine SVG */
.vine-spine {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.vine-main-path {
    stroke-dasharray: 0;
    stroke-dashoffset: 0;
}

/* ============================================
   Chapters
   ============================================ */
.chapter {
    position: relative;
    display: grid;
    grid-template-columns: 5fr 3fr;
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--vertical-rhythm) 2rem;
    min-height: 80vh;
    align-items: start;
    z-index: 2;
}

.chapter--right {
    direction: rtl;
}

.chapter--right > * {
    direction: ltr;
}

.chapter--right .chapter-content {
    order: 1;
}

.chapter--right .chapter-margin {
    order: 0;
    text-align: right;
}

/* Skeleton Loading */
.chapter-skeleton {
    position: absolute;
    top: var(--vertical-rhythm);
    left: 2rem;
    right: 2rem;
    padding: 2.5rem;
    z-index: 3;
    transition: opacity 0.8s ease;
}

.chapter--right .chapter-skeleton {
    direction: ltr;
}

.chapter.revealed .chapter-skeleton {
    opacity: 0;
    pointer-events: none;
}

.skeleton-line {
    height: 1rem;
    background: linear-gradient(
        90deg,
        var(--linen) 25%,
        var(--parchment) 50%,
        var(--linen) 75%
    );
    background-size: 200% 100%;
    animation: skeletonShimmer 1.8s ease-in-out infinite;
    border-radius: 4px;
    margin-bottom: 0.8rem;
}

.skeleton-line--title {
    height: 2rem;
    width: 70%;
    margin-bottom: 1.5rem;
    background: linear-gradient(
        90deg,
        var(--rose-gold) 25%,
        var(--linen) 50%,
        var(--rose-gold) 75%
    );
    background-size: 200% 100%;
    animation: skeletonShimmer 1.8s ease-in-out infinite;
    opacity: 0.3;
}

.skeleton-line--long {
    width: 95%;
}

.skeleton-line--medium {
    width: 75%;
}

.skeleton-line--short {
    width: 50%;
}

@keyframes skeletonShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Specimen Card */
.specimen-card {
    background: var(--parchment);
    border: 1px solid var(--linen);
    padding: 2.5rem;
    position: relative;
    transform: rotate(0.3deg);
    box-shadow:
        0 1px 3px rgba(44, 36, 22, 0.08),
        0 8px 24px rgba(44, 36, 22, 0.04);
    opacity: 0;
    transition: opacity 0.8s ease 0.3s, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s;
}

.chapter--left .specimen-card {
    transform: translateX(-40px) rotate(0.3deg);
}

.chapter--right .specimen-card {
    transform: translateX(40px) rotate(-0.3deg);
}

.chapter.revealed .specimen-card {
    opacity: 1;
    transform: translateX(0) rotate(0.3deg);
}

.chapter--right.revealed .specimen-card {
    transform: translateX(0) rotate(-0.3deg);
}

/* Paper texture overlay */
.specimen-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(196, 149, 106, 0.05) 0%, transparent 70%),
        radial-gradient(ellipse at 80% 20%, rgba(184, 134, 11, 0.03) 0%, transparent 60%);
    pointer-events: none;
}

/* Specimen pins */
.specimen-pin {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--rose-gold);
    box-shadow: 0 1px 2px rgba(44, 36, 22, 0.2), inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

.specimen-pin--tl { top: 12px; left: 12px; }
.specimen-pin--tr { top: 12px; right: 12px; }
.specimen-pin--bl { bottom: 12px; left: 12px; }
.specimen-pin--br { bottom: 12px; right: 12px; }

/* Chapter typography */
.chapter-year {
    display: inline-block;
    font-size: 1.4rem;
    color: var(--aged-amber);
    margin-bottom: 0.5rem;
}

.chapter-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.25;
    color: var(--walnut-ink);
    margin-bottom: 1.5rem;
}

/* Drop Cap */
.drop-cap {
    float: left;
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 0.8;
    color: var(--aged-amber);
    margin-right: 0.15em;
    margin-top: 0.05em;
}

.chapter-body {
    margin-bottom: 1.25rem;
    color: var(--walnut-ink);
}

.chapter-body em {
    font-style: italic;
    color: var(--faded-ink);
}

.chapter-annotation {
    font-size: 1.3rem;
    color: var(--faded-ink);
    margin-top: 1.5rem;
    padding-left: 1rem;
    border-left: 2px solid var(--rose-gold);
    line-height: 1.5;
}

/* Botanical Circuit Dividers */
.botanical-circuit {
    width: 100%;
    max-width: 300px;
    height: 40px;
    margin-top: 1.5rem;
}

/* Chapter Margin */
.chapter-margin {
    padding-top: 3rem;
    opacity: 0;
    transition: opacity 1s ease 0.8s;
}

.chapter.revealed .chapter-margin {
    opacity: 1;
}

.margin-leaf {
    width: 60px;
    height: 80px;
    opacity: 0.3;
}

.margin-leaf--rotated {
    transform: rotate(15deg);
}

.margin-note {
    font-size: 1.1rem;
    color: var(--faded-ink);
    line-height: 1.5;
    max-width: 200px;
}

/* ============================================
   Machine Dialogue (ELIZA)
   ============================================ */
.machine-dialogue {
    background: var(--linen);
    border: 1px solid rgba(107, 94, 79, 0.15);
    padding: 1.5rem;
    margin: 1.5rem 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
}

.dialogue-line {
    margin-bottom: 0.5rem;
}

.dialogue-line:last-child {
    margin-bottom: 0;
}

.dialogue-label {
    color: var(--aged-amber);
    margin-right: 0.5rem;
}

.dialogue-line--machine {
    color: var(--fernwood-green);
}

.dialogue-line--human {
    color: var(--walnut-ink);
}

/* ============================================
   Interludes
   ============================================ */
.interlude {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--vertical-rhythm) 2rem;
    z-index: 2;
    background: var(--parchment);
}

.interlude--dark {
    background: var(--midnight-soil);
}

.interlude-content {
    text-align: center;
    max-width: 600px;
}

.dual-nature-visual {
    margin-bottom: 3rem;
}

.dual-leaf {
    width: 200px;
    height: 260px;
    margin: 0 auto;
}

.interlude-quote {
    font-family: var(--font-handwritten);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    color: var(--faded-ink);
    line-height: 1.5;
}

.interlude--dark .interlude-quote {
    color: var(--linen);
}

/* Handwritten text animation */
.handwritten-text .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.handwritten-text .word.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Wax Seal */
.wax-seal {
    margin-top: 3rem;
}

.wax-seal svg {
    width: 60px;
    height: 60px;
    filter: drop-shadow(0 2px 4px rgba(26, 21, 16, 0.3));
}

/* ============================================
   Bloom Finale
   ============================================ */
.bloom-finale {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--vertical-rhythm) 2rem;
    z-index: 2;
    background: linear-gradient(to bottom, var(--parchment), var(--linen));
}

.bloom-container {
    text-align: center;
    max-width: 600px;
}

.bloom-flower {
    width: 250px;
    height: 250px;
    margin: 0 auto 3rem;
}

.bloom-stem {
    stroke-dasharray: 300;
    stroke-dashoffset: 300;
    transition: stroke-dashoffset 1.5s ease;
}

.bloom-finale.revealed .bloom-stem {
    stroke-dashoffset: 0;
}

.bloom-stem-leaf {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.bloom-finale.revealed .bloom-stem-leaf {
    opacity: 0.6;
}

.bloom-stem-leaf--1 {
    transition-delay: 0.8s;
}

.bloom-stem-leaf--2 {
    transition-delay: 1s;
}

/* Petals */
.bloom-petal {
    transform-origin: 150px 140px;
    transform: scale(0) rotate(-90deg);
    transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.bloom-finale.revealed .bloom-petal--1 { transform: scale(1) rotate(0deg); transition-delay: 1.2s; }
.bloom-finale.revealed .bloom-petal--2 { transform: scale(1) rotate(0deg); transition-delay: 1.4s; }
.bloom-finale.revealed .bloom-petal--3 { transform: scale(1) rotate(0deg); transition-delay: 1.6s; }
.bloom-finale.revealed .bloom-petal--4 { transform: scale(1) rotate(0deg); transition-delay: 1.8s; }
.bloom-finale.revealed .bloom-petal--5 { transform: scale(1) rotate(0deg); transition-delay: 2.0s; }

.bloom-center, .bloom-center-inner {
    opacity: 0;
    transition: opacity 0.6s ease 2.2s;
}

.bloom-finale.revealed .bloom-center,
.bloom-finale.revealed .bloom-center-inner {
    opacity: 1;
}

.bloom-question {
    font-family: var(--font-handwritten);
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    color: var(--faded-ink);
    line-height: 1.6;
    opacity: 0;
    transition: opacity 1s ease 2.5s;
}

.bloom-finale.revealed .bloom-question {
    opacity: 1;
}

/* ============================================
   Ink Splatters (Decorative)
   ============================================ */
.ink-splatter {
    position: fixed;
    pointer-events: none;
    z-index: 0;
    border-radius: 50%;
    opacity: 0.03;
}

.ink-splatter--1 {
    width: 300px;
    height: 300px;
    top: 20%;
    left: -100px;
    background: radial-gradient(ellipse, var(--walnut-ink) 0%, transparent 70%);
}

.ink-splatter--2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: -50px;
    background: radial-gradient(ellipse, var(--aged-amber) 0%, transparent 70%);
}

.ink-splatter--3 {
    width: 250px;
    height: 250px;
    bottom: 10%;
    left: 30%;
    background: radial-gradient(ellipse, var(--fernwood-green) 0%, transparent 70%);
}

/* ============================================
   Ambient leaf sway (margin leaves on scroll)
   ============================================ */
.margin-leaf {
    transition: transform 0.3s ease-out;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    :root {
        --vertical-rhythm: 80px;
    }

    .chapter {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: var(--vertical-rhythm) 1.25rem;
    }

    .chapter--right {
        direction: ltr;
    }

    .chapter--right .chapter-content {
        order: 0;
    }

    .chapter--right .chapter-margin {
        order: 1;
        text-align: left;
    }

    .chapter-skeleton {
        left: 1.25rem;
        right: 1.25rem;
    }

    .specimen-card {
        padding: 1.5rem;
    }

    .chapter-margin {
        padding-top: 1rem;
    }

    .margin-note {
        max-width: 100%;
    }

    .vine-nav {
        right: 0.75rem;
    }

    .vine-nav-leaf {
        width: 18px;
        height: 18px;
    }

    .drop-cap {
        font-size: 3.5rem;
    }

    .bloom-flower {
        width: 180px;
        height: 180px;
    }
}

@media (max-width: 480px) {
    .opening-title .title-line--accent {
        font-size: clamp(3rem, 15vw, 5rem);
    }

    .chapter-title {
        font-size: 1.75rem;
    }

    .interlude-quote {
        font-size: 1.3rem;
    }
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .opening-curtain {
        transition: none;
    }

    .chapter .specimen-card {
        opacity: 1;
        transform: none;
    }

    .chapter .chapter-margin {
        opacity: 1;
    }

    .chapter .chapter-skeleton {
        display: none;
    }

    .bloom-petal {
        transform: scale(1) rotate(0deg);
    }

    .bloom-stem {
        stroke-dashoffset: 0;
    }

    .bloom-center, .bloom-center-inner {
        opacity: 1;
    }

    .bloom-question {
        opacity: 1;
    }

    .handwritten-text .word {
        opacity: 1;
        transform: none;
    }

    .vine-main-path {
        stroke-dashoffset: 0 !important;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .opening,
    .vine-nav,
    .vine-spine,
    .ink-splatter,
    .chapter-skeleton,
    .specimen-pin,
    .margin-leaf,
    .botanical-circuit,
    .bloom-flower,
    .wax-seal,
    .dual-nature-visual {
        display: none;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    .chapter {
        display: block;
        page-break-inside: avoid;
        padding: 1em 0;
    }

    .specimen-card {
        border: none;
        box-shadow: none;
        padding: 0;
        transform: none;
        opacity: 1;
    }

    .chapter-margin {
        opacity: 1;
    }
}