/* =========================================================
   DARK EARTH: TSUBOMI — REDWOODS LAUNCH TAKEOVER
   Standalone stylesheet. All selectors are prefixed de-
   so this file does not alter the existing Redwoods site.
   ========================================================= */

:root {
    --de-black: #030303;
    --de-black-soft: #0a0908;
    --de-ivory: #f1eadf;
    --de-gold: #b38b59;
    --de-gold-bright: #d0ad72;
    --de-gold-muted: #8f6d45;
    --de-border: rgba(208, 173, 114, 0.38);
    --de-shadow: rgba(0, 0, 0, 0.72);
    --de-serif: "EB Garamond", Georgia, serif;
}

/* Freeze the underlying Redwoods page while takeover is active. */
html.de-launch-active,
body.de-launch-active {
    overflow: hidden !important;
}

.de-launch {
    position: fixed;
    inset: 0;
    z-index: 99999;

    display: grid;
    place-items: center;

    min-height: 100dvh;
    overflow: hidden;

    background:
        radial-gradient(circle at 50% 42%, rgba(97, 70, 36, 0.10), transparent 31%),
        radial-gradient(circle at 50% 50%, rgba(179, 139, 89, 0.045), transparent 48%),
        #000;

    color: var(--de-ivory);
    font-family: var(--de-serif);

    opacity: 1;
    visibility: visible;

    transition:
        opacity 0.7s ease,
        visibility 0.7s ease;
}

.de-launch[hidden] {
    display: none;
}

.de-launch.is-leaving {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.de-launch::before {
    content: "";
    position: absolute;
    inset: -12%;
    pointer-events: none;

    background:
        radial-gradient(circle at 50% 40%, rgba(157, 113, 58, 0.07), transparent 26%),
        radial-gradient(circle at 27% 22%, rgba(255, 255, 255, 0.025), transparent 19%),
        radial-gradient(circle at 75% 78%, rgba(179, 139, 89, 0.025), transparent 18%);

    filter: blur(16px);
}

.de-launch__scene {
    position: absolute;
    inset: 0;

    display: grid;
    place-items: center;

    width: 100%;
    min-height: 100dvh;
}

.de-launch__intro {
    z-index: 2;
    pointer-events: none;
}

.de-launch__bud-stage {
    position: absolute;
    left: 50%;
    top: 44%;

    width: min(48vw, 620px);
    height: min(69vh, 800px);

    overflow: hidden;
    transform: translate(-50%, -50%) scale(0.92);

    opacity: 0;
    filter: brightness(0.45) contrast(1.12);

    transition:
        opacity 1.45s cubic-bezier(.22,.8,.24,1),
        transform 2.8s cubic-bezier(.16,.78,.22,1),
        filter 2.4s ease;
}

.de-launch__bud-stage::after {
    content: "";
    position: absolute;
    inset: 0;

    background:
        linear-gradient(to bottom, transparent 0%, transparent 68%, #000 96%),
        linear-gradient(to right, #000 0%, transparent 18%, transparent 82%, #000 100%);

    pointer-events: none;
}

.de-launch__bud {
    position: absolute;
    inset: 0;

    width: 100%;
    height: 100%;
    max-width: none;

    object-fit: contain;
    object-position: center;

    user-select: none;
    -webkit-user-drag: none;
}

.de-launch.is-bud-visible .de-launch__bud-stage {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    filter: brightness(0.82) contrast(1.08);
}

.de-launch__identity {
    position: absolute;
    left: 50%;
    bottom: clamp(3rem, 7.5vh, 6.8rem);

    z-index: 3;

    width: min(92vw, 920px);

    transform: translate(-50%, 20px);
    text-align: center;

    opacity: 0;

    filter: blur(0);

    transition:
        opacity 1.9s cubic-bezier(.20,.72,.20,1),
        transform 2.2s cubic-bezier(.18,.78,.18,1),
        filter 1.8s ease;
}

.de-launch.is-identity-visible .de-launch__identity {
    opacity: 1;
    transform: translate(-50%, 0);
}

.de-launch.is-handoff .de-launch__identity {
    opacity: 0;
    transform: translate(-50%, -14px) scale(0.985);
    filter: blur(1.2px);

    transition:
        opacity 2.25s cubic-bezier(.20,.70,.20,1),
        transform 2.55s cubic-bezier(.16,.76,.18,1),
        filter 2.0s ease;
}

.de-launch__series {
    margin: 0 0 0.35rem;

    color: var(--de-gold-bright);

    font-size: clamp(0.78rem, 1.2vw, 1.05rem);
    letter-spacing: 0.38em;
    text-transform: uppercase;
}

.de-launch__title {
    margin: 0;

    color: #d1ae73;

    font-size: clamp(3.8rem, 8.2vw, 8.2rem);
    font-weight: 400;
    letter-spacing: 0.17em;
    line-height: 0.92;
    text-indent: 0.17em;

    text-shadow:
        0 2px 1px rgba(255,255,255,0.05),
        0 10px 36px rgba(0,0,0,0.9);
}

.de-launch__author {
    margin: 1rem 0 0;

    color: var(--de-ivory);

    font-size: clamp(1rem, 1.75vw, 1.45rem);
    letter-spacing: 0.28em;
    text-transform: uppercase;
}

/* -----------------------------
   Final book / open-cover scene
   ----------------------------- */

.de-launch__book-scene {
    z-index: 4;

    opacity: 0;
    pointer-events: none;

    transition: opacity 2.25s cubic-bezier(.18,.70,.18,1);
}

.de-launch.is-book-visible .de-launch__book-scene {
    opacity: 1;
    pointer-events: auto;
}

.de-launch.is-book-visible .de-launch__intro {
    opacity: 0;
    transition: opacity 2.35s cubic-bezier(.18,.70,.18,1);
}

.de-book {
    position: relative;

    /* At full desktop size each half-page is almost exactly the aspect ratio
       of the supplied 1356×2048 cover, preventing the author line from cropping. */
    width: min(92vw, 1046px);
    height: min(86vh, 790px);

    perspective: 3000px;
    transform-style: preserve-3d;

    /* Before the spread opens, move the left half-page to the visual centre.
       This removes the old centre-to-left jump between title and cover. */
    transform: translateX(25%) scale(1.085);
    filter: blur(0.35px);
    opacity: 0.985;

    transition:
        transform 3.05s cubic-bezier(.14,.74,.16,1),
        filter 2.1s ease,
        opacity 1.8s ease;
}

.de-launch.is-book-settled .de-book {
    transform: translateX(0) scale(1);
    filter: blur(0);
    opacity: 1;
}

.de-book__back {
    position: absolute;
    inset: 0;

    overflow: hidden;

    background:
        radial-gradient(circle at 50% 20%, rgba(179,139,89,0.13), transparent 28%),
        linear-gradient(150deg, #12100e 0%, #060606 56%, #020202 100%);

    border: 1px solid var(--de-border);
    box-shadow:
        0 40px 90px rgba(0,0,0,0.75),
        inset 0 0 60px rgba(179,139,89,0.035);
}

.de-book__back::before {
    content: "";
    position: absolute;
    inset: 0;

    background:
        linear-gradient(90deg, rgba(255,255,255,0.025), transparent 17%, transparent 83%, rgba(255,255,255,0.018)),
        repeating-linear-gradient(0deg, rgba(255,255,255,0.008) 0 1px, transparent 1px 4px);

    pointer-events: none;
}

.de-book__page {
    position: absolute;
    inset: 0;

    display: flex;
    align-items: center;
    justify-content: flex-end;

    padding: clamp(2rem, 5vw, 5rem);

    text-align: right;
}

.de-book__page-content {
    position: relative;
    z-index: 2;

    width: min(48%, 440px);

    opacity: 0;
    transform: translateX(20px);

    transition:
        opacity 1.35s cubic-bezier(.20,.70,.20,1) 1.05s,
        transform 1.5s cubic-bezier(.18,.76,.18,1) 1.05s;
}

.de-launch.is-cover-open .de-book__page-content {
    opacity: 1;
    transform: translateX(0);
}

.de-book__eyebrow {
    margin: 0 0 0.45rem;

    color: var(--de-gold-muted);

    font-size: 0.82rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
}

.de-book__page-title {
    margin: 0 0 0.35rem;

    color: var(--de-gold-bright);

    font-size: clamp(2.4rem, 4.8vw, 4.8rem);
    font-weight: 400;
    letter-spacing: 0.1em;
    line-height: 0.95;
}

.de-book__page-author {
    margin: 0 0 2.4rem;

    color: rgba(241,234,223,0.78);

    font-size: 0.92rem;
    letter-spacing: 0.19em;
    text-transform: uppercase;
}

.de-launch__actions {
    display: grid;
    gap: 0.85rem;

    width: min(100%, 390px);
    margin-left: auto;
}

.de-launch__action {
    appearance: none;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 52px;
    padding: 0.85rem 1.25rem;

    background: rgba(4,4,4,0.82);
    border: 1px solid rgba(208,173,114,0.5);
    color: var(--de-ivory);

    cursor: pointer;

    font: 500 0.88rem/1 var(--de-serif);
    letter-spacing: 0.14em;
    text-decoration: none;
    text-transform: uppercase;

    transition:
        background 0.25s ease,
        border-color 0.25s ease,
        color 0.25s ease,
        transform 0.25s ease,
        box-shadow 0.25s ease;
}

.de-launch__action:hover,
.de-launch__action:focus-visible {
    transform: translateY(-2px);

    background: rgba(179,139,89,0.12);
    border-color: var(--de-gold-bright);
    color: #fff;

    box-shadow: 0 10px 26px rgba(0,0,0,0.35);
    outline: none;
}

.de-launch__action--primary {
    background:
        linear-gradient(180deg, #c09a63 0%, #a77e49 52%, #79572f 100%);
    border-color: #d5b276;
    color: #090807;

    text-shadow: 0 1px 0 rgba(255,255,255,0.22);
}

.de-launch__action--primary:hover,
.de-launch__action--primary:focus-visible {
    background:
        linear-gradient(180deg, #d2b077 0%, #b98e54 52%, #8b6438 100%);
    color: #060606;
}

.de-book__cover {
    position: absolute;
    inset: 0 auto 0 0;
    z-index: 5;

    width: 50%;
    height: 100%;

    transform-origin: left center;
    transform: rotateY(0deg);
    transform-style: preserve-3d;

    background: #020202;

    box-shadow:
        18px 15px 48px rgba(0,0,0,0.52),
        1px 0 0 rgba(208,173,114,0.15);

    will-change: transform, box-shadow;

    transition:
        transform 3.55s cubic-bezier(.14,.70,.15,1),
        box-shadow 2.8s ease;
}

.de-launch.is-cover-open .de-book__cover {
    transform: rotateY(-108deg) translateZ(1px);
    box-shadow:
        4px 16px 36px rgba(0,0,0,0.31),
        1px 0 0 rgba(208,173,114,0.12);
}

.de-book__cover-front,
.de-book__cover-back {
    position: absolute;
    inset: 0;

    width: 100%;
    height: 100%;

    backface-visibility: hidden;
}

.de-book__cover-front {
    overflow: hidden;
    background: #000;
}

.de-book__cover-front img {
    width: 100%;
    height: 100%;
    max-width: none;

    object-fit: contain;
    object-position: center;
    background: #000;

    user-select: none;
    -webkit-user-drag: none;
}

.de-book__cover-front::after {
    content: "";
    position: absolute;
    inset: -8% -35%;

    background:
        linear-gradient(
            112deg,
            transparent 26%,
            rgba(255,255,255,0.02) 37%,
            rgba(255,255,255,0.20) 48%,
            rgba(255,255,255,0.055) 56%,
            transparent 70%
        );

    transform: translateX(-62%) skewX(-8deg);
    opacity: 0;
    pointer-events: none;
    mix-blend-mode: screen;
}

.de-launch.is-cover-open .de-book__cover-front::after {
    animation: de-cover-gloss 2.65s cubic-bezier(.18,.72,.16,1) 0.10s both;
}

@keyframes de-cover-gloss {
    0% {
        transform: translateX(-62%) skewX(-8deg);
        opacity: 0;
    }

    20% {
        opacity: 0.28;
    }

    58% {
        opacity: 0.62;
    }

    100% {
        transform: translateX(58%) skewX(-8deg);
        opacity: 0;
    }
}

.de-book__cover-back {
    transform: rotateY(180deg);

    background:
        radial-gradient(circle at 60% 28%, rgba(179,139,89,0.12), transparent 30%),
        #070605;

    border-right: 1px solid rgba(208,173,114,0.18);
}

/* ---------------------------------
   Retailer description overlay
   --------------------------------- */

.de-description {
    position: absolute;
    inset: 0;
    z-index: 20;

    display: grid;
    place-items: center;

    padding: 1.5rem;

    background: rgba(0,0,0,0.86);
    backdrop-filter: blur(8px);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transition:
        opacity 0.35s ease,
        visibility 0.35s ease;
}

.de-description.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.de-description__panel {
    position: relative;

    display: flex;
    flex-direction: column;

    width: min(94vw, 1080px);
    height: min(90dvh, 760px);
    overflow: hidden;

    padding: clamp(1.5rem, 3vw, 2.6rem);

    background:
        radial-gradient(circle at 50% 0%, rgba(179,139,89,0.08), transparent 28%),
        #0a0908;

    border: 1px solid var(--de-border);
    box-shadow: 0 30px 90px rgba(0,0,0,0.75);
}

.de-description__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 2;

    width: 38px;
    height: 38px;

    margin: 0;

    background: #070605;
    border: 1px solid var(--de-border);
    color: var(--de-gold-bright);

    cursor: pointer;

    font: 400 1.35rem/1 var(--de-serif);
}

.de-description__kicker {
    margin: 0 0 0.6rem;

    color: var(--de-gold-bright);

    font-size: 0.82rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
}

.de-description__panel h2 {
    margin: 0 0 1rem;

    color: var(--de-ivory);

    font-family: var(--de-serif);
    font-size: clamp(2.2rem, 5vw, 4.2rem);
    font-weight: 400;
    line-height: 1;
}

.de-description__copy {
    flex: 1;
    min-height: 0;

    columns: 2;
    column-gap: clamp(2rem, 4vw, 3.5rem);
    column-rule: 1px solid rgba(208,173,114,0.16);

    overflow: hidden;

    color: rgba(241,234,223,0.86);

    font-size: clamp(0.84rem, 1.05vw, 0.98rem);
    line-height: 1.48;
}

.de-description__copy p {
    break-inside: avoid;
    margin: 0 0 0.85rem;
}

.de-description__footer {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.7rem;

    margin-top: 1.15rem;
    padding-top: 1rem;

    border-top: 1px solid rgba(208,173,114,0.16);
}

/* Tiny testing control. Hidden in production by default. */
.de-launch__skip {
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    z-index: 30;

    appearance: none;

    padding: 0.5rem 0.7rem;

    background: transparent;
    border: 0;
    color: rgba(241,234,223,0.38);

    cursor: pointer;

    font: 400 0.72rem/1 var(--de-serif);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.de-launch__skip:hover,
.de-launch__skip:focus-visible {
    color: rgba(241,234,223,0.8);
    outline: none;
}

/* Keep the 2-page frame proportional on shorter desktop screens. */
@media (max-height: 820px) and (min-width: 901px) {
    .de-book {
        width: min(90vw, 880px);
        height: min(86vh, 665px);
    }
}

/* -----------------------------
   Tablet
   ----------------------------- */

@media (max-width: 900px) {
    .de-launch__bud-stage {
        top: 42%;
        width: min(72vw, 560px);
        height: min(66vh, 700px);
    }

    .de-launch__identity {
        bottom: 5vh;
    }

    .de-book {
        width: min(92vw, 820px);
        height: min(80vh, 620px);
    }

    .de-book__page {
        padding: 2.2rem;
    }
}

/* -----------------------------
   Mobile
   ----------------------------- */

@media (max-width: 640px) {
    /* ---------------------------------------------------------
       Opening bud
       Dedicated cropped image is selected in launch-screen.js.
       No lower-cover KAИKA material exists in this asset.
       --------------------------------------------------------- */

    .de-launch__bud-stage {
        top: 41%;
        width: min(94vw, 520px);
        height: 61vh;
    }

    .de-launch__bud {
        width: 100%;
        height: 100%;

        object-fit: contain;
        object-position: center;
    }

    .de-launch__identity {
        bottom: 5.5vh;
        width: 94vw;
    }

    .de-launch__series {
        font-size: 0.68rem;
        letter-spacing: 0.25em;
    }

    .de-launch__title {
        font-size: clamp(3.35rem, 16.5vw, 5.5rem);
        letter-spacing: 0.1em;
        text-indent: 0.1em;
    }

    .de-launch__author {
        font-size: 0.86rem;
        letter-spacing: 0.19em;
    }

    /* ---------------------------------------------------------
       Mobile book
       A phone cannot convincingly display a two-page desktop
       spread. The mobile version behaves as one glossy page:
       the complete Tsubomi cover remains opaque and turns from
       its LEFT spine like a magazine cover.
       --------------------------------------------------------- */

    .de-book {
        display: block;

        width: min(90vw, 51.5dvh, 390px);
        height: auto;
        aspect-ratio: 1356 / 2048;

        /* Override the desktop 25% spread-centering transform. */
        transform: translateX(0) scale(1.035);
        filter: blur(0.2px);
        opacity: 0.99;

        perspective: 2200px;

        transition:
            transform 2.6s cubic-bezier(.14,.74,.16,1),
            filter 1.8s ease,
            opacity 1.5s ease;
    }

    .de-launch.is-book-settled .de-book {
        transform: translateX(0) scale(1);
        filter: blur(0);
        opacity: 1;
    }

    .de-book__back {
        inset: 0;

        border-color: rgba(208,173,114,0.32);
    }

    .de-book__page {
        align-items: flex-end;
        justify-content: center;

        padding: 1.15rem 1rem 1.15rem;

        text-align: center;
    }

    .de-book__page-content {
        width: 100%;
        padding-top: 0;
    }

    .de-book__eyebrow {
        margin-bottom: 0.2rem;

        font-size: 0.62rem;
        letter-spacing: 0.2em;
    }

    .de-book__page-title {
        margin-bottom: 0.18rem;

        font-size: clamp(2rem, 10vw, 2.8rem);
    }

    .de-book__page-author {
        margin-bottom: 0.75rem;

        font-size: 0.7rem;
        letter-spacing: 0.14em;
    }

    .de-launch__actions {
        width: 100%;
        margin: 0;
        gap: 0.48rem;
    }

    .de-launch__actions .de-launch__action {
        min-height: 40px;
        padding: 0.58rem 0.7rem;

        font-size: 0.66rem;
        letter-spacing: 0.09em;
    }

    .de-book__cover {
        top: 0;
        bottom: 0;
        left: 0;

        width: 100%;
        height: 100%;

        transform-origin: left center;
        transform: rotateY(0deg);

        opacity: 1;
    }

    .de-launch.is-cover-open .de-book__cover {
        /* Genuine side-page turn: no upward shove and no translucent cover. */
        transform: rotateY(-162deg) translateZ(1px);
        opacity: 1;
    }

    .de-book__cover-front img {
        width: 100%;
        height: 100%;

        object-fit: contain;
        object-position: center;
        background: #000;
    }

    /* ---------------------------------------------------------
       Mobile synopsis
       Full approved description. No internal scrolling.
       JS measures the available text area and reduces the body
       type only as much as the current phone height requires.
       --------------------------------------------------------- */

    .de-description {
        padding: 0.28rem;
    }

    .de-description__panel {
        width: 100%;
        height: 98dvh;
        max-height: none;
        overflow: hidden;

        padding: 0.78rem 0.8rem 0.68rem;
    }

    .de-description__kicker {
        margin: 0 0 0.12rem;

        font-size: 0.57rem;
        letter-spacing: 0.17em;
    }

    .de-description__panel h2 {
        margin: 0 0 0.38rem;

        font-size: clamp(1.45rem, 7vw, 1.9rem);
        line-height: 0.95;
    }

    .de-description__copy {
        flex: 1;
        min-height: 0;

        columns: 1;
        column-rule: 0;

        overflow: hidden;

        font-size: 12px;
        line-height: 1.27;

        hyphens: auto;
        text-wrap: pretty;
    }

    .de-description__copy p {
        margin: 0 0 0.38rem;
        break-inside: auto;
    }

    .de-description__footer {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.34rem;

        margin-top: 0.42rem;
        padding-top: 0.42rem;
    }

    .de-description__footer .de-launch__action {
        min-width: 0;
        min-height: 36px;

        padding: 0.38rem 0.25rem;

        font-size: 0.56rem;
        letter-spacing: 0.045em;
        line-height: 1.08;
    }

    .de-description__close {
        top: 0.42rem;
        right: 0.42rem;

        width: 29px;
        height: 29px;

        font-size: 1rem;
    }
}

/* Extra compression for short phones without introducing scrolling. */
@media (max-width: 640px) and (max-height: 700px) {
    .de-description__panel {
        padding-top: 0.55rem;
        padding-bottom: 0.5rem;
    }

    .de-description__panel h2 {
        font-size: 1.3rem;
        margin-bottom: 0.24rem;
    }

    .de-description__kicker {
        font-size: 0.52rem;
    }

    .de-description__copy p {
        margin-bottom: 0.25rem;
    }

    .de-description__footer {
        margin-top: 0.28rem;
        padding-top: 0.28rem;
    }

    .de-description__footer .de-launch__action {
        min-height: 32px;
        font-size: 0.52rem;
    }
}

/* -----------------------------
   Reduced motion
   ----------------------------- */

@media (prefers-reduced-motion: reduce) {
    .de-launch *,
    .de-launch *::before,
    .de-launch *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}