/* ========================================
   recycle.digital - Styles
   1970s Japanese Ecology Poster Aesthetic
   ======================================== */

:root {
    /* Palette */
    --color-paper: #F5EDE0;
    --color-straw: #E8D5B8;
    --color-ink: #2C1810;
    --color-bark: #4A3728;
    --color-persimmon: #C4652A;
    --color-sage: #8B9A6B;
    --color-sienna: #A0714F;
    --color-grain: #6B5744;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Serif 4', 'Source Serif Pro', Georgia, serif;
    --font-accent: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;

    /* Spacing */
    --pad-section: 8vw;
}

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

html {
    scroll-snap-type: y proximity;
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-paper);
    color: var(--color-bark);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.85;
    overflow-x: hidden;
}

/* ---- Noise Texture Surface ---- */
.noise-surface {
    position: relative;
}

.noise-surface::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background-image:
        repeating-conic-gradient(var(--color-grain) 0% 25%, transparent 0% 50%),
        repeating-conic-gradient(var(--color-grain) 0% 25%, transparent 0% 50%);
    background-size: 3px 3px, 5px 5px;
    background-position: 0 0, 2px 2px;
    opacity: 0.06;
    mix-blend-mode: multiply;
}

.noise-surface.noise-light::before {
    opacity: 0.04;
}

/* ---- Mon Anchor ---- */
.mon-anchor {
    position: fixed;
    top: 2.5vw;
    left: 2.5vw;
    z-index: 100;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.4s ease;
}

.mon-anchor:hover {
    opacity: 1;
}

/* ---- Page Indicator ---- */
.page-indicator {
    position: fixed;
    right: 2.5vw;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.page-num {
    font-family: var(--font-accent);
    font-weight: 500;
    font-size: clamp(0.75rem, 1vw, 0.9rem);
    letter-spacing: 0.12em;
    color: var(--color-sienna);
    opacity: 0.3;
    transition: opacity 0.5s ease, color 0.5s ease;
    writing-mode: vertical-rl;
    cursor: default;
}

.page-num.active {
    opacity: 1;
    color: var(--color-persimmon);
}

/* ---- Broadsheet Common ---- */
.broadsheet {
    width: 100%;
    min-height: 100vh;
    height: 100vh;
    scroll-snap-align: start;
    position: relative;
    overflow: hidden;
}

.broadsheet-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    padding: var(--pad-section);
}

/* ---- Counter Watermark ---- */
.counter-watermark {
    position: absolute;
    z-index: 1;
    font-family: var(--font-accent);
    font-weight: 500;
    font-size: clamp(4rem, 8vw, 7rem);
    color: var(--color-sienna);
    opacity: 0.15;
    pointer-events: none;
    right: 12vw;
    bottom: 8vh;
    line-height: 1;
}

/* ---- Broadsheet Entry Animations ---- */
.broadsheet .broadsheet-inner {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.broadsheet.visible .broadsheet-inner {
    opacity: 1;
    transform: translateY(0);
}

/* Child stagger */
.broadsheet.visible .broadsheet-inner > *:nth-child(1) { transition-delay: 0ms; }
.broadsheet.visible .broadsheet-inner > *:nth-child(2) { transition-delay: 100ms; }
.broadsheet.visible .broadsheet-inner > *:nth-child(3) { transition-delay: 200ms; }
.broadsheet.visible .broadsheet-inner > *:nth-child(4) { transition-delay: 300ms; }
.broadsheet.visible .broadsheet-inner > *:nth-child(5) { transition-delay: 400ms; }
.broadsheet.visible .broadsheet-inner > *:nth-child(6) { transition-delay: 500ms; }

.broadsheet-inner > * {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.broadsheet.visible .broadsheet-inner > * {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   BROADSHEET 1: COVER
   ======================================== */

#cover {
    background-color: var(--color-paper);
}

#cover::before {
    opacity: 0.08;
}

.cover-inner {
    display: flex;
    flex-direction: column;
    padding: 0 !important;
    transform: rotate(0.5deg);
}

.cover-band {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 var(--pad-section);
    position: relative;
}

.cover-band-top {
    height: 35vh;
    border-bottom: 1px solid var(--color-persimmon);
    padding-left: calc(var(--pad-section) + 3px);
}

.cover-band-middle {
    height: 30vh;
    background-color: var(--color-straw);
    border-bottom: 1px solid var(--color-persimmon);
    position: relative;
    overflow: hidden;
}

.cover-band-bottom {
    height: 35vh;
    padding-left: calc(var(--pad-section) + 5px);
    justify-content: flex-end;
    padding-right: calc(var(--pad-section) + 2px);
}

.cover-title-recycle {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(3rem, 7vw, 5.5rem);
    letter-spacing: 0.03em;
    color: var(--color-ink);
    line-height: 1;
}

.cover-title-digital {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: clamp(2.5rem, 5.5vw, 4.5rem);
    letter-spacing: 0.05em;
    color: var(--color-bark);
    line-height: 1;
}

/* ---- Chrysanthemum (CSS botanical) ---- */
.chrysanthemum {
    position: absolute;
    width: 80px;
    height: 80px;
    pointer-events: none;
}

.chrysanthemum::before,
.chrysanthemum::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.chrysanthemum::before {
    border-radius: 50% 0 50% 0;
    background: var(--color-persimmon);
    opacity: 0.25;
    transform: rotate(0deg);
    box-shadow:
        0 0 0 0 transparent,
        10px 10px 0 -2px rgba(196, 101, 42, 0.2),
        -10px -10px 0 -2px rgba(196, 101, 42, 0.15),
        15px -5px 0 -4px rgba(196, 101, 42, 0.18);
}

.chrysanthemum::after {
    border-radius: 0 50% 0 50%;
    background: var(--color-persimmon);
    opacity: 0.2;
    transform: rotate(45deg);
    box-shadow:
        8px 0 0 -2px rgba(196, 101, 42, 0.15),
        -8px 0 0 -2px rgba(196, 101, 42, 0.12);
}

.chrysanthemum-1 {
    top: 15%;
    left: 20%;
    transform: rotate(15deg) scale(1.2);
}

.chrysanthemum-2 {
    bottom: 20%;
    right: 25%;
    transform: rotate(-30deg) scale(0.8);
}

.chrysanthemum-3 {
    top: 40%;
    left: 55%;
    transform: rotate(60deg) scale(0.6);
}

/* ---- Autumn Leaf (CSS botanical) ---- */
.autumn-leaf {
    position: absolute;
    width: 40px;
    height: 50px;
    pointer-events: none;
}

.autumn-leaf::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--color-sage);
    opacity: 0.3;
    clip-path: polygon(50% 0%, 100% 30%, 85% 70%, 50% 100%, 15% 70%, 0% 30%);
}

.autumn-leaf-1 {
    top: 25%;
    right: 15%;
    transform: rotate(25deg);
}

.autumn-leaf-2 {
    bottom: 15%;
    left: 40%;
    transform: rotate(-40deg) scale(0.7);
}

/* ========================================
   BROADSHEET 2: PHILOSOPHY
   ======================================== */

#philosophy {
    background-color: var(--color-paper);
}

.philosophy-inner {
    display: flex;
    align-items: center;
    gap: 4vw;
}

.philosophy-text {
    width: 45%;
    flex-shrink: 0;
}

.section-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-ink);
    letter-spacing: 0.03em;
    margin-bottom: 2rem;
}

.philosophy-text p {
    margin-bottom: 1.5em;
    text-align: left;
    color: var(--color-bark);
}

.philosophy-motif {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 60vh;
}

/* ---- Ginkgo Leaf (CSS botanical) ---- */
.ginkgo-leaf {
    width: clamp(120px, 20vw, 220px);
    height: clamp(140px, 22vw, 250px);
    position: relative;
    transition: transform 2s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.ginkgo-leaf::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 85%;
    top: 0;
    left: 0;
    background: var(--color-sage);
    opacity: 0.45;
    border-radius: 50% 50% 5% 5%;
    clip-path: polygon(50% 100%, 0% 0%, 20% 0%, 50% 40%, 80% 0%, 100% 0%, 50% 100%);
    transform: scaleX(1.3);
}

.ginkgo-leaf::after {
    content: '';
    position: absolute;
    width: 3px;
    height: 30%;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-sienna);
    opacity: 0.5;
    border-radius: 2px;
}

/* ========================================
   BROADSHEET 3: CYCLE
   ======================================== */

#cycle {
    background-color: var(--color-paper);
}

.cycle-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.cycle-ring {
    position: absolute;
    width: 60vmin;
    height: 60vmin;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.cycle-circle {
    width: 100%;
    height: 100%;
}

.cycle-circle-main {
    animation: rotateDash 20s linear infinite;
    transform-origin: 200px 200px;
}

@keyframes rotateDash {
    from { stroke-dashoffset: 0; }
    to { stroke-dashoffset: -250; }
}

.cycle-interior {
    position: absolute;
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
    border-radius: 50%;
    background-color: var(--color-sage);
    opacity: 0.12;
    transition: background-color 1.5s ease;
}

/* Cycle Phases at cardinal positions */
.cycle-phase {
    position: absolute;
    width: clamp(140px, 18vw, 220px);
    text-align: center;
}

.cycle-phase-top {
    top: calc(50% - 30vmin - 10vh);
    left: 50%;
    transform: translateX(-50%);
}

.cycle-phase-right {
    top: 50%;
    right: calc(50% - 30vmin - 12vw);
    transform: translateY(-50%);
    text-align: left;
}

.cycle-phase-bottom {
    bottom: calc(50% - 30vmin - 10vh);
    left: 50%;
    transform: translateX(-50%);
}

.cycle-phase-left {
    top: 50%;
    left: calc(50% - 30vmin - 12vw);
    transform: translateY(-50%);
    text-align: right;
}

.phase-label {
    font-family: var(--font-accent);
    font-weight: 500;
    font-size: clamp(0.75rem, 1vw, 0.9rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-persimmon);
    margin-bottom: 0.75rem;
}

.cycle-phase p {
    font-size: clamp(0.85rem, 1vw, 0.95rem);
    line-height: 1.7;
    color: var(--color-bark);
}

/* ========================================
   BROADSHEET 4: ARCHIVE
   ======================================== */

#archive {
    background-color: var(--color-straw);
}

#archive::before {
    opacity: 0.06;
}

.archive-inner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
}

.archive-heading {
    text-align: left;
    width: 100%;
    max-width: 900px;
    padding-left: 3px;
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    width: 100%;
    max-width: 900px;
}

.archive-tile {
    aspect-ratio: 1;
    border: 2px solid var(--color-ink);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.archive-tile::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.12;
    clip-path: polygon(50% 0%, 100% 30%, 85% 70%, 50% 100%, 15% 70%, 0% 30%);
    transform: scale(0.4);
}

.tile-1 { background-color: var(--color-paper); }
.tile-1::before { background-color: var(--color-sage); transform: scale(0.4) translate(30px, 20px); }
.tile-2 { background-color: var(--color-straw); }
.tile-2::before { background-color: var(--color-persimmon); transform: scale(0.35) translate(-20px, -15px); }
.tile-3 { background-color: #D9C4A5; }
.tile-3::before { background-color: var(--color-sienna); transform: scale(0.45) translate(10px, -25px); }
.tile-4 { background-color: var(--color-straw); }
.tile-4::before { background-color: var(--color-sage); transform: scale(0.38) translate(-30px, 10px); }
.tile-5 { background-color: #D2C0A3; }
.tile-5::before { background-color: var(--color-persimmon); transform: scale(0.42) translate(15px, 30px); }
.tile-6 { background-color: var(--color-paper); }
.tile-6::before { background-color: var(--color-sienna); transform: scale(0.36) translate(-10px, -20px); }

.tile-text {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(0.9rem, 1.3vw, 1.1rem);
    color: var(--color-bark);
    text-align: center;
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

.tile-text em {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 700;
    color: var(--color-ink);
}

/* ========================================
   BROADSHEET 5: COLOPHON
   ======================================== */

#colophon {
    background-color: var(--color-paper);
}

.colophon-inner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 4rem;
    position: relative;
}

.colophon-columns {
    display: flex;
    gap: 4rem;
    flex-wrap: wrap;
}

.colophon-column {
    display: flex;
    flex-direction: column;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    gap: 1rem;
    height: clamp(180px, 30vh, 300px);
}

.colophon-label {
    font-family: var(--font-accent);
    font-weight: 500;
    font-size: clamp(0.65rem, 0.8vw, 0.75rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-sienna);
}

.colophon-value {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1rem, 1.5vw, 1.3rem);
    color: var(--color-ink);
    letter-spacing: 0.03em;
}

.colophon-statement {
    max-width: 50ch;
}

.colophon-statement p {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-bark);
    font-style: italic;
    line-height: 1.85;
}

/* ---- Plum Blossom Branch (CSS botanical) ---- */
.plum-blossom-branch {
    position: absolute;
    bottom: var(--pad-section);
    right: var(--pad-section);
    width: clamp(150px, 25vw, 300px);
    height: clamp(200px, 35vh, 400px);
    pointer-events: none;
}

.plum-blossom-branch::before {
    content: '';
    position: absolute;
    width: 3px;
    height: 100%;
    bottom: 0;
    right: 40%;
    background: var(--color-sienna);
    opacity: 0.5;
    transform: rotate(-15deg);
    transform-origin: bottom center;
    border-radius: 2px;
    box-shadow:
        30px -40px 0 0 rgba(160, 113, 79, 0.35),
        -20px -80px 0 0 rgba(160, 113, 79, 0.3),
        45px -120px 0 0 rgba(160, 113, 79, 0.25);
}

.plum-blossom-branch::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-persimmon);
    opacity: 0.35;
    top: 20%;
    right: 30%;
    box-shadow:
        -25px 35px 0 -2px rgba(196, 101, 42, 0.3),
        15px 60px 0 -4px rgba(196, 101, 42, 0.25),
        -10px 95px 0 -1px rgba(196, 101, 42, 0.28),
        30px 130px 0 -3px rgba(196, 101, 42, 0.22),
        -20px 160px 0 0 rgba(196, 101, 42, 0.2);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    :root {
        --pad-section: 6vw;
    }

    .philosophy-inner {
        flex-direction: column;
    }

    .philosophy-text {
        width: 85%;
    }

    .philosophy-motif {
        height: 30vh;
    }

    .cycle-phase {
        width: clamp(100px, 28vw, 160px);
    }

    .cycle-phase-top {
        top: calc(50% - 30vmin - 7vh);
    }

    .cycle-phase-bottom {
        bottom: calc(50% - 30vmin - 7vh);
    }

    .cycle-phase-right {
        right: calc(50% - 30vmin - 6vw);
    }

    .cycle-phase-left {
        left: calc(50% - 30vmin - 6vw);
    }

    .archive-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .colophon-columns {
        gap: 2.5rem;
    }

    .page-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --pad-section: 5vw;
    }

    .archive-grid {
        grid-template-columns: 1fr;
    }

    .archive-tile {
        aspect-ratio: auto;
        min-height: 120px;
    }

    .cycle-ring {
        width: 50vmin;
        height: 50vmin;
    }

    .cycle-phase p {
        display: none;
    }

    .colophon-column {
        height: clamp(120px, 20vh, 200px);
    }

    .cover-title-recycle {
        font-size: clamp(2.5rem, 10vw, 3.5rem);
    }

    .cover-title-digital {
        font-size: clamp(2rem, 8vw, 3rem);
    }
}