/* === Palette Reference ===
   #f0ddd0 #dce5d8 #e0d8e8 #e8ddd0
   No #000 or #fff used by design
*/

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background-color: #f5f0e8;
    color: #2d2a26;
    font-family: 'DM Sans', sans-serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 1.65;
    letter-spacing: 0.005em;
    overflow-x: hidden;
}

.svg-defs {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* === Typography === */
h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
    color: #2d2a26;
}

h2 {
    font-weight: 700;
    font-size: clamp(1.8rem, 4vw, 3.5rem);
    line-height: 1.15;
}

h3 {
    font-weight: 700;
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    line-height: 1.15;
    margin-bottom: 0.5em;
}

.accent-word {
    color: #c0704a;
}

.annotation {
    font-family: 'Caveat', cursive;
    font-weight: 400;
    font-size: clamp(0.85rem, 1.2vw, 1.1rem);
    color: #7a6f62;
}

/* === Spread (shared) === */
.spread {
    min-height: 100vh;
    position: relative;
    display: grid;
    grid-template-columns: 1fr 2px 1fr;
    overflow: hidden;
}

.spine {
    background-color: #d4c8b8;
    width: 2px;
    height: 100%;
    justify-self: center;
}

/* === Spread 1: Hero === */
.spread-hero {
    align-items: center;
}

.spread-hero .spread-left {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-blob {
    width: 80%;
    max-width: 450px;
    opacity: 0;
    transform: rotate(3deg);
    transition: opacity 0.6s ease;
}

.hero-blob.visible {
    opacity: 1;
}

.circuit-traces {
    position: absolute;
    top: 10%;
    left: 10%;
    width: 80%;
    height: 80%;
    opacity: 0.6;
}

.trace {
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
    transition: stroke-dashoffset 1.2s ease-out;
}

.trace.drawn {
    stroke-dashoffset: 0;
}

.spread-hero .spread-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 3rem 2rem 2rem;
    position: relative;
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: clamp(3.5rem, 10vw, 9rem);
    line-height: 1.0;
    letter-spacing: -0.02em;
    transform: rotate(8deg);
    transform-origin: left center;
    margin-left: -2rem;
    margin-bottom: 1rem;
    will-change: transform;
}

.char-animate {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.char-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-subtitle {
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    font-size: clamp(1rem, 2vw, 1.4rem);
    color: #a89f91;
    transform: rotate(2deg);
    margin-left: 0.5rem;
    max-width: 38ch;
}

.annotation-hero {
    position: absolute;
    top: 25%;
    right: 15%;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    opacity: 0;
    transition: opacity 0.4s ease;
    transform: rotate(-3deg);
}

.annotation-hero.visible {
    opacity: 1;
}

.annotation-arrow {
    width: 50px;
}

.annotation-text {
    font-family: 'Caveat', cursive;
    font-size: 1.6rem;
    font-weight: 700;
    color: #7a6f62;
}

/* === Spread 2: Thesis === */
.spread-thesis {
    align-items: center;
}

.spread-thesis .spread-left {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

.diagram-container {
    position: relative;
    transform: rotate(-4deg);
    will-change: transform;
}

.diagram-svg {
    width: 100%;
    max-width: 380px;
}

.diagram-label-1 {
    position: absolute;
    top: 15%;
    right: -5%;
    transform: rotate(2deg);
}

.diagram-label-2 {
    position: absolute;
    bottom: 20%;
    right: -10%;
    transform: rotate(-2deg);
}

.spread-thesis .spread-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 3rem 2rem 2rem;
    gap: 1.5rem;
}

.section-heading {
    transform: rotate(2deg);
    margin-bottom: 0.5rem;
}

.thesis-text {
    background: #f8f4ed;
    border: 1px solid #d4c8b8;
    padding: 2rem;
    transform: rotate(1deg);
    will-change: transform;
}

.body-columns {
    columns: 2;
    column-gap: 1.5rem;
    max-width: 55ch;
}

.body-columns p {
    margin-bottom: 1em;
    max-width: 38ch;
}

.prediction-line {
    margin-top: 1rem;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.prediction-line.visible {
    opacity: 1;
}

.prediction-line svg {
    width: 250px;
}

.pred-line {
    stroke-dasharray: 8 4;
    stroke-dashoffset: 300;
    transition: stroke-dashoffset 1.2s ease-out;
}

.pred-line.drawn {
    stroke-dashoffset: 0;
}

/* === Spread 3: Evidence === */
.spread-evidence {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 4rem 2rem;
}

.evidence-blobs {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
    max-width: 1100px;
    position: relative;
}

.blob-card {
    position: relative;
    width: 55%;
    will-change: transform;
}

.blob-card .blob-svg {
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
}

.blob-content {
    position: relative;
    z-index: 1;
    padding: 3rem 4rem;
    max-width: 38ch;
}

.blob-1 {
    transform: rotate(2deg);
    align-self: flex-start;
    margin-left: 5%;
}

.blob-2 {
    transform: rotate(-3deg);
    align-self: center;
    margin-left: 20%;
}

.blob-3 {
    transform: rotate(5deg);
    align-self: flex-end;
    margin-right: 5%;
}

.floating-note {
    position: absolute;
    opacity: 0;
    transition: opacity 0.4s ease 0.4s;
}

.floating-note.visible {
    opacity: 1;
}

.note-1 {
    top: 15%;
    right: 10%;
    transform: rotate(3deg);
}

.note-2 {
    top: 55%;
    left: 8%;
    transform: rotate(-4deg);
}

.note-3 {
    bottom: 12%;
    right: 20%;
    transform: rotate(2deg);
    font-size: 1.1rem;
}

/* === Spread 4: Declaration === */
.spread-declaration {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.circuit-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.6;
}

.pull-quote {
    position: relative;
    z-index: 1;
    transform: rotate(6deg);
    max-width: 80%;
    will-change: transform;
}

.pull-quote p {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: clamp(3rem, 8vw, 8rem);
    line-height: 1.0;
    letter-spacing: -0.02em;
    color: #2d2a26;
}

.prediction-line-declaration {
    position: absolute;
    bottom: 20%;
    right: 5%;
}

.prediction-line-declaration svg {
    width: 300px;
}

/* === Spread 5: Close === */
.spread-close {
    display: grid;
    grid-template-columns: 15% 1fr 15%;
    align-items: center;
    justify-items: center;
    min-height: 100vh;
}

.close-left, .close-right {
    position: relative;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

.close-blob-left, .close-blob-right {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.close-center {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem;
    min-height: 80vh;
}

.close-main-blob {
    position: absolute;
    width: 100%;
    max-width: 600px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.close-statement {
    position: relative;
    z-index: 1;
    max-width: 50ch;
    margin-bottom: 3rem;
}

.close-heading {
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 1.05;
    margin-bottom: 1rem;
    transform: rotate(-2deg);
}

.close-body {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: #a89f91;
    transform: rotate(1deg);
}

.colophon {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.colophon-text {
    font-family: 'Caveat', cursive;
    font-size: 0.8rem;
    color: #7a6f62;
}

.colophon-year {
    font-family: 'Caveat', cursive;
    font-size: 0.75rem;
    color: #a89f91;
}

.colophon-deco {
    width: 60px;
}

/* === Tilt Card shared === */
[data-tilt] {
    will-change: transform;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* === Scroll reveal === */
.spread-thesis .spread-left,
.spread-thesis .spread-right,
.blob-card,
.pull-quote,
.close-statement {
    opacity: 0;
    transform-origin: center;
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.spread-thesis .spread-left {
    transform: translateX(-40px) rotate(-4deg) scale(0.9);
}

.spread-thesis .spread-right {
    transform: translateX(40px) scale(0.9);
}

.blob-card.blob-1 {
    transform: rotate(2deg) scale(0.9);
}
.blob-card.blob-2 {
    transform: rotate(-3deg) scale(0.9);
}
.blob-card.blob-3 {
    transform: rotate(5deg) scale(0.9);
}

.pull-quote {
    transform: rotate(6deg) scale(0.9);
}

.close-statement {
    transform: scale(0.9);
}

/* Revealed states */
.spread-thesis .spread-left.revealed {
    opacity: 1;
    transform: translateX(0) rotate(-4deg) scale(1);
}

.spread-thesis .spread-right.revealed {
    opacity: 1;
    transform: translateX(0) scale(1);
}

.blob-card.revealed.blob-1 {
    opacity: 1;
    transform: rotate(2deg) scale(1);
}
.blob-card.revealed.blob-2 {
    opacity: 1;
    transform: rotate(-3deg) scale(1);
}
.blob-card.revealed.blob-3 {
    opacity: 1;
    transform: rotate(5deg) scale(1);
}

.pull-quote.revealed {
    opacity: 1;
    transform: rotate(6deg) scale(1);
}

.close-statement.revealed {
    opacity: 1;
    transform: scale(1);
}

/* === Mobile === */
@media (max-width: 768px) {
    .spread {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .spine {
        display: none;
    }

    .spread-hero .spread-left {
        min-height: 50vh;
    }

    .spread-hero .spread-right {
        padding: 2rem;
    }

    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
        margin-left: 0;
        transform: rotate(5deg);
    }

    .body-columns {
        columns: 1;
    }

    .evidence-blobs {
        padding: 0 1rem;
    }

    .blob-card {
        width: 90%;
        align-self: center !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .pull-quote p {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .spread-close {
        grid-template-columns: 5% 1fr 5%;
    }

    .close-center {
        padding: 2rem 1rem;
    }

    .spread-thesis .spread-left,
    .spread-thesis .spread-right {
        padding: 2rem 1rem;
    }

    .prediction-line-declaration {
        display: none;
    }

    /* Gentle tilt animation for mobile */
    @keyframes gentleTilt {
        0%, 100% { transform: perspective(1000px) rotateX(-1deg) rotateY(-1deg); }
        50% { transform: perspective(1000px) rotateX(1deg) rotateY(1deg); }
    }

    [data-tilt] {
        animation: gentleTilt 6s ease-in-out infinite;
    }
}