:root {
    --parchment: #F5EDE0;
    --fired-earth: #5A4A3A;
    --kintsugi-gold: #C4975A;
    --kiln-ash: #9B8E82;
    --deep-clay: #3D2E22;
    --bisque: #EDE4D4;
    --rice-paper: #FAF6F0;
    --content-bg-3: #E8DCC8;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--parchment);
    color: var(--fired-earth);
    font-family: 'Karla', sans-serif;
    font-weight: 400;
    font-size: clamp(15px, 1.1vw, 18px);
    line-height: 1.85;
    overflow-x: hidden;
    position: relative;
}

/* Paper grain texture overlay */
.paper-grain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.08'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px 200px;
    transition: opacity 1500ms ease;
}

.paper-grain.visible {
    opacity: 0.03;
}

/* ============================================
   Opening viewport
   ============================================ */
.opening {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: var(--parchment);
}

.logotype {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(36px, 5vw, 72px);
    letter-spacing: 0.12em;
    color: var(--deep-clay);
    position: relative;
    left: -3vw;
    top: -12vh;
    opacity: 0;
    transition: opacity 1000ms ease-in;
}

.logotype.visible {
    opacity: 1;
}

/* Opening crack SVG */
.opening-crack {
    position: absolute;
    top: calc(38% + 2vh);
    left: 0;
    width: 52%;
    height: 120px;
    overflow: visible;
}

.opening-crack .crack-path {
    stroke-dasharray: var(--dash-length, 1200);
    stroke-dashoffset: var(--dash-length, 1200);
    transition: stroke-dashoffset 4000ms cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.opening-crack.animate .crack-path {
    stroke-dashoffset: 0;
}

/* Stagger the branch animations */
.opening-crack.animate .crack-branch {
    transition-delay: 1400ms;
    transition-duration: 1800ms;
}

.opening-crack.animate .crack-branch:nth-child(3) {
    transition-delay: 2200ms;
    transition-duration: 1500ms;
}

.opening-crack.animate .crack-branch:nth-child(5) {
    transition-delay: 2800ms;
    transition-duration: 1200ms;
}

.opening-crack.animate .crack-satellite {
    transition-delay: 2000ms;
    transition-duration: 800ms;
}

.opening-crack.animate .crack-satellite:nth-child(6) {
    transition-delay: 3200ms;
    transition-duration: 700ms;
}

/* ============================================
   Kintsugi dividers
   ============================================ */
.kintsugi-divider {
    display: block;
    width: 100%;
    height: 70px;
    overflow: visible;
}

.kintsugi-divider .crack-line {
    stroke-dasharray: var(--dash-length, 2200);
    stroke-dashoffset: var(--dash-length, 2200);
    transition: stroke-dashoffset 3000ms cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.kintsugi-divider .crack-line:hover {
    opacity: 0.85;
    stroke-width: 1.5;
    transition: opacity 800ms ease, stroke-width 800ms ease, stroke-dashoffset 3000ms cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.kintsugi-divider.animate .crack-line {
    stroke-dashoffset: 0;
}

/* Stagger sub-branches in dividers */
.kintsugi-divider.animate .crack-line:nth-child(2) {
    transition-delay: 800ms;
    transition-duration: 1200ms;
}

.kintsugi-divider.animate .crack-line:nth-child(3) {
    transition-delay: 1400ms;
    transition-duration: 1200ms;
}

.kintsugi-divider.animate .crack-line:nth-child(4) {
    transition-delay: 1000ms;
    transition-duration: 900ms;
}

/* ============================================
   Content blocks — broken grid
   ============================================ */
.content-block {
    position: relative;
    max-width: 52ch;
    padding: 6vh 5vw 7vh 5vw;
    margin: 0 auto;
    background-color: var(--parchment);
    transition: background-color 800ms ease;
}

.content-block.block-1 {
    margin-left: calc(50% - 26ch + 2vw);
    margin-right: auto;
    padding-top: 14vh;
    padding-bottom: 13vh;
    background-color: var(--parchment);
    transform: rotate(-0.3deg);
}

.content-block.block-2 {
    margin-right: calc(50% - 26ch + 1.5vw);
    margin-left: auto;
    padding-top: 13vh;
    padding-bottom: 12vh;
    background-color: var(--bisque);
    transform: rotate(0.15deg);
}

.content-block.block-3 {
    margin-left: calc(50% - 26ch + 0.8vw);
    margin-right: auto;
    padding-top: 12vh;
    padding-bottom: 14vh;
    background-color: var(--content-bg-3);
    transform: rotate(-0.12deg);
}

.content-block.block-4 {
    margin-right: calc(50% - 26ch + 2.5vw);
    margin-left: auto;
    padding-top: 13vh;
    padding-bottom: 13vh;
    background-color: var(--bisque);
    transform: rotate(0.22deg);
}

.content-block:hover {
    background-color: var(--rice-paper);
}

/* Imperfect borders */
.imperfect-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Ceramic circle marks */
.ceramic-circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid var(--kintsugi-gold);
    opacity: 0.3;
    margin-bottom: 3vh;
}

/* Section headings */
.content-block h2 {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 600;
    font-size: clamp(24px, 3.5vw, 48px);
    letter-spacing: 0.04em;
    color: var(--deep-clay);
    margin-bottom: 3vh;
    line-height: 1.3;
}

/* Body paragraphs */
.content-block p {
    color: var(--fired-earth);
    max-width: 52ch;
    line-height: 1.85;
}

/* ============================================
   Reveal animation (scroll-triggered)
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 1200ms ease, transform 1200ms ease;
}

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

/* Preserve deliberate rotations when visible */
.content-block.block-1.visible {
    transform: rotate(-0.3deg) translateY(0);
}

.content-block.block-2.visible {
    transform: rotate(0.15deg) translateY(0);
}

.content-block.block-3.visible {
    transform: rotate(-0.12deg) translateY(0);
}

.content-block.block-4.visible {
    transform: rotate(0.22deg) translateY(0);
}

/* ============================================
   Terminal section
   ============================================ */
.terminal {
    text-align: center;
    padding: 16vh 5vw 20vh 5vw;
    position: relative;
}

.terminal-text {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(18px, 2vw, 28px);
    letter-spacing: 0.04em;
    color: var(--kiln-ash);
    max-width: 48ch;
    margin: 0 auto 12vh auto;
    line-height: 1.7;
    font-style: italic;
}

.kanji-beauty {
    font-family: 'Noto Serif JP', serif;
    font-weight: 200;
    font-size: 20vw;
    color: var(--deep-clay);
    opacity: 0.04;
    line-height: 1;
    user-select: none;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .content-block {
        max-width: 90vw;
    }

    .content-block.block-1,
    .content-block.block-2,
    .content-block.block-3,
    .content-block.block-4 {
        margin-left: 5vw;
        margin-right: 5vw;
    }

    .opening-crack {
        width: 70%;
    }

    .logotype {
        left: -2vw;
    }

    .terminal-text {
        max-width: 80vw;
    }
}

@media (max-width: 480px) {
    .content-block {
        padding: 8vh 6vw 9vh 6vw;
    }

    .content-block.block-1 {
        padding-top: 10vh;
        padding-bottom: 9vh;
    }

    .content-block.block-2 {
        padding-top: 9vh;
        padding-bottom: 8vh;
    }

    .content-block.block-3 {
        padding-top: 8vh;
        padding-bottom: 10vh;
    }

    .content-block.block-4 {
        padding-top: 9vh;
        padding-bottom: 9vh;
    }

    .opening-crack {
        width: 85%;
    }
}