/* ========================================
   Intro lecture immersive — overlay plein écran
   Seuil atmosphérique avant le premier poème
   ======================================== */

.immersive-reading-intro {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease-out;
    pointer-events: auto;
}

.immersive-reading-intro.is-visible {
    opacity: 1;
}

.immersive-reading-intro.is-leaving {
    opacity: 0;
    transition: opacity 0.5s ease-in;
}

/* Transition raffinée : fade + léger flou au départ vers le poème */
.immersive-reading-intro__content--fade-out {
    transition: opacity 0.6s ease-out, filter 0.6s ease-out;
}
.immersive-reading-intro__content--fade-out {
    opacity: 0;
    filter: blur(6px);
}

/* Canvas WebGL en arrière-plan */
.immersive-reading-intro__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

/* Fallback : fond sobre quand WebGL indisponible ou reduced-motion */
.immersive-reading-intro--fallback .immersive-reading-intro__canvas {
    display: none;
}

.immersive-reading-intro--fallback::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #0f1419 0%, #1a2332 50%, #0f1419 100%);
    z-index: 0;
}

.immersive-reading-intro--fallback.immersive-reading-intro--theme-sea::before {
    background: linear-gradient(180deg, #1a2332 0%, #15202b 50%, #0f1820 100%);
}

.immersive-reading-intro--fallback.immersive-reading-intro--theme-memory::before {
    background: linear-gradient(180deg, #1e1a1f 0%, #2a2430 50%, #1e1a1f 100%);
}

/* Contenu texte au-dessus du canvas */
.immersive-reading-intro__content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem 2rem;
}

/* Rubrique intro : aligné sur .home-poursuivre__title (home_page.css). Clair sur fond scène sombre (= accueil en mode nuit). */
.immersive-reading-intro__content > .immersive-reading-intro__title {
    font-family: 'Crimson Pro', 'Lora', Georgia, serif;
    font-size: clamp(1.45rem, 3.8vw, 2.65rem);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.28;
    color: rgba(231, 231, 231, 0.98);
    flex-shrink: 0;
    margin: 0 0 clamp(0.85rem, 2vh, 1.15rem);
}

/* Bloc vers dans la scène : même classe utilitaire, style poème (pas uppercase section) */
.immersive-reading-verses-block.immersive-reading-intro__title {
    font-family: 'Crimson Pro', 'Lora', Georgia, serif;
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: 0.02em;
    text-transform: none;
    text-align: center;
    color: rgba(255, 255, 255, 0.95);
    margin: 0 0 0.5rem;
}

.immersive-reading-intro__subtitle {
    font-family: 'Lora', Georgia, serif;
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    font-weight: 400;
    font-style: italic;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.75);
    margin: 0 0 1rem;
}

/* Bouton Continuer — CTA centré sous le texte */
.immersive-reading-intro__continue {
    position: relative;
    z-index: 2;
    margin-top: 2rem;
    padding: 0.6rem 1.25rem;
    font-family: 'Crimson Pro', 'Lora', Georgia, serif;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 2px;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
    min-height: 44px;
    min-width: 120px;
    opacity: 0;
}

.immersive-reading-intro__continue.is-visible {
    opacity: 1;
    transition: opacity 0.4s ease 0.5s;
}

.immersive-reading-intro__continue:hover,
.immersive-reading-intro__continue:focus {
    color: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.45);
    outline: none;
}

.immersive-reading-intro__continue:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* Clic « Continuer » intro : léger glow + scale */
.immersive-reading-intro__continue--clicked {
    transform: scale(0.98);
    box-shadow: 0 0 24px rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transition: transform 0.2s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

/* Calque atmosphère (assombrissement + lueur centrale) pendant la transition caméra */
.immersive-reading-intro__transition-atmosphere {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.2s ease-out;
    background:
        radial-gradient(ellipse 75% 55% at 50% 45%, rgba(255, 255, 255, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, transparent 0%, rgba(6, 12, 20, 0.5) 100%);
}

.immersive-reading-intro__transition-atmosphere.is-active {
    opacity: 1;
}

/* Fade-out titre / sous-titre au clic Continuer (dissolution douce) */
.immersive-reading-intro__content--fade-out .immersive-reading-intro__title,
.immersive-reading-intro__content--fade-out .immersive-reading-intro__subtitle {
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.55s ease-out, transform 0.55s ease-out;
}

.immersive-reading-intro__content--fade-out .immersive-reading-intro__continue {
    opacity: 0;
    transition: opacity 0.35s ease-out;
}

@media (prefers-reduced-motion: reduce) {
    .immersive-reading-intro__transition-atmosphere {
        transition-duration: 0.4s;
    }
    .immersive-reading-intro__content--fade-out {
        filter: none;
    }
    .immersive-reading-intro__content--fade-out .immersive-reading-intro__title,
    .immersive-reading-intro__content--fade-out .immersive-reading-intro__subtitle {
        transform: none;
        transition-duration: 0.25s;
    }
}

/* Panneau premier poème (sans rechargement, scène derrière) */
.immersive-reading-intro__poem-panel {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 32rem;
    max-height: 75vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1.25rem;
    margin: 0 1rem;
    opacity: 0;
    animation: immersive-reading-poem-panel-in 0.6s ease-out forwards;
}

@keyframes immersive-reading-poem-panel-in {
    to {
        opacity: 1;
    }
}

/* Wrapper pour positionner l'indicateur de scroll */
.immersive-reading-intro__poem-scroll-wrap {
    position: relative;
    flex: 1;
    min-height: 0;
    width: 100%;
}

/* Panneau poème : translucide, flottant, effet parchemin / carte */
.immersive-reading-intro__poem-inner {
    position: relative;
    width: 100%;
    height: 100%;
    background: rgba(12, 16, 22, 0.52);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-radius: 12px;
    padding: 2.25rem 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.06) inset,
        0 24px 48px rgba(0, 0, 0, 0.35),
        0 0 80px rgba(100, 140, 180, 0.08);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    animation: poem-panel-float 8s ease-in-out infinite;
    transition: transform 0.35s ease-out, box-shadow 0.35s ease-out;
}

.immersive-reading-intro__poem-inner:hover {
    animation: none;
    transform: translateY(-10px);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.08) inset,
        0 32px 64px rgba(0, 0, 0, 0.45),
        0 0 100px rgba(100, 140, 180, 0.12);
}

.immersive-reading-intro__poem-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: 12px;
    background-image: url("/img/ui/paper_texture_v5_by_bashcorpo.jpg");
    background-size: cover;
    background-position: center;
    opacity: 0.22;
    pointer-events: none;
}

.immersive-reading-intro__poem-inner > * {
    position: relative;
    z-index: 1;
}

@keyframes poem-panel-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
}

@media (prefers-reduced-motion: reduce) {
    .immersive-reading-intro__poem-inner {
        animation: none;
    }
    .immersive-reading-intro__poem-inner:hover {
        transform: none;
    }
}

@supports not (backdrop-filter: blur(1px)) {
    .immersive-reading-intro__poem-inner {
        background: rgba(12, 16, 22, 0.9);
    }
}

.immersive-reading-intro__poem-inner::-webkit-scrollbar {
    display: none;
}

/* Flèche « faites défiler » — masquée après un scroll */
.immersive-reading-intro__scroll-hint {
    position: absolute;
    bottom: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
    color: rgba(255, 255, 255, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.4s ease-out;
}

.immersive-reading-intro__scroll-hint.is-hidden {
    opacity: 0;
}

.immersive-reading-intro__scroll-hint svg {
    width: 20px;
    height: 20px;
    animation: immersive-reading-scroll-hint-bounce 2s ease-in-out infinite;
}

@keyframes immersive-reading-scroll-hint-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

@media (prefers-reduced-motion: reduce) {
    .immersive-reading-intro__scroll-hint svg {
        animation: none;
    }
}

.immersive-reading-intro__poem-title {
    font-family: 'Crimson Pro', 'Lora', Georgia, serif;
    font-size: clamp(1.35rem, 3.5vw, 1.85rem);
    font-weight: 500;
    line-height: 1.35;
    color: rgba(255, 255, 255, 0.98);
    margin: 0 0 0.5rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.immersive-reading-intro__poem-author {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.72);
    margin: 0 0 1.5rem;
}

.immersive-reading-intro__poem-author a {
    color: inherit;
    text-decoration: none;
}

.immersive-reading-intro__poem-author a:hover {
    color: rgba(255, 255, 255, 0.95);
}

.immersive-reading-intro__poem-body-wrap {
    margin: 0;
    max-width: 28em;
}

/* Révélation cinématique */
.immersive-reading-intro__poem-panel--cinematic .immersive-reading-intro__poem-title,
.immersive-reading-intro__poem-panel--cinematic .immersive-reading-intro__poem-author,
.immersive-reading-intro__poem-panel--cinematic .immersive-reading-intro__poem-body-wrap {
    opacity: 0;
    transform: translateY(14px);
    animation: poem-element-reveal 0.55s ease-out forwards;
}

.immersive-reading-intro__poem-panel--cinematic .immersive-reading-intro__poem-title {
    animation-delay: 0s;
}

.immersive-reading-intro__poem-panel--cinematic .immersive-reading-intro__poem-author {
    animation-delay: 0.18s;
}

.immersive-reading-intro__poem-panel--cinematic .immersive-reading-intro__poem-body-wrap {
    animation-delay: 0.36s;
}

@keyframes poem-element-reveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .immersive-reading-intro__poem-panel--cinematic .immersive-reading-intro__poem-title,
    .immersive-reading-intro__poem-panel--cinematic .immersive-reading-intro__poem-author,
    .immersive-reading-intro__poem-panel--cinematic .immersive-reading-intro__poem-body-wrap {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

.immersive-reading-intro__poem-body.poem-body {
    font-family: 'Lora', Georgia, serif;
    font-size: clamp(1rem, 2.2vw, 1.125rem);
    line-height: 2;
    color: rgba(255, 255, 255, 0.94);
    margin: 0;
    letter-spacing: 0.01em;
}

.poem-line {
    display: block;
    opacity: 0;
    transform: translateY(10px);
    animation: poem-line-in 0.6s ease-out forwards;
    padding: 0.15em 0;
    border-radius: 3px;
}

@keyframes poem-line-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .poem-line {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

.poem-word--accent {
    color: rgba(255, 255, 255, 0.98);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
    font-weight: 500;
}

.immersive-reading-intro--poem-visible .immersive-reading-intro__continue {
    margin-top: 1.5rem;
    opacity: 1;
}

/* Vers dans la scène (style titre, typewriter) */
.immersive-reading-intro.immersive-reading-intro--verses-visible {
    justify-content: flex-start;
    align-items: stretch;
    padding-top: clamp(2rem, 12vh, 6rem);
}

.immersive-reading-intro.immersive-reading-intro--verses-visible .immersive-reading-verses-in-scene {
    flex: 1 1 auto;
    min-height: 0;
}

.immersive-reading-verses-in-scene {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
}

/* Avancer sans bouton : toute la zone du poème réagit au tap / clic */
.immersive-reading-verses-in-scene--tap-to-advance {
    cursor: pointer;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.immersive-reading-verses-in-scene--tap-to-advance:focus-visible {
    outline: 1px solid rgba(255, 255, 255, 0.28);
    outline-offset: 6px;
}

.immersive-reading-verses-block {
    margin: 0 0 0.5rem;
}

.immersive-reading-verses-author {
    margin: 0 0 2rem;
    font-family: 'Lora', Georgia, serif;
    font-size: 0.95rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.72);
    text-align: center;
}

.immersive-reading-verses-author a {
    color: inherit;
    text-decoration: none;
}

.immersive-reading-verses-author a:hover {
    color: rgba(255, 255, 255, 0.95);
}

/* Signature auteur en fin de parcours (dernier poème) */
.immersive-reading-author-signature-wrap {
    margin: 1.75rem 0 0;
    width: 100%;
    max-width: min(100%, 420px);
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: immersive-reading-signature-in 0.85s cubic-bezier(0.33, 0.12, 0.24, 1) forwards;
}

.immersive-reading-author-signature-wrap[hidden] {
    display: none !important;
}

@keyframes immersive-reading-signature-in {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.immersive-reading-author-signature__img {
    display: block;
    max-width: min(240px, 72vw);
    height: auto;
    opacity: 0.62;
    filter: grayscale(0.25);
    transition: opacity 0.25s ease, filter 0.25s ease;
}

.immersive-reading-author-signature__img:hover {
    opacity: 0.82;
    filter: grayscale(0.12);
}

.immersive-reading-author-signature-fallback {
    margin: 0;
    font-family: 'Lora', Georgia, serif;
    font-size: 0.95rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.72);
    letter-spacing: 0.04em;
}

/* Revivre / Partir — bas d’écran, zone thumb-friendly */
.immersive-reading-experience-end-actions {
    margin-top: auto;
    padding-top: 2rem;
    padding-bottom: max(1.25rem, env(safe-area-inset-bottom, 0px));
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.75rem 1rem;
    width: 100%;
    max-width: 26rem;
}

.immersive-reading-experience-end-actions[hidden] {
    display: none !important;
}

.immersive-reading-end-action {
    appearance: none;
    min-height: 44px;
    padding: 0.55rem 1.35rem;
    font-family: 'Crimson Pro', 'Lora', Georgia, serif;
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(246, 246, 246, 0.9);
    background: rgba(8, 12, 20, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 2px;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.immersive-reading-end-action:hover {
    color: rgba(255, 255, 255, 0.98);
    border-color: rgba(255, 255, 255, 0.34);
    background: rgba(12, 18, 28, 0.45);
}

.immersive-reading-end-action:focus {
    outline: none;
}

.immersive-reading-end-action:focus-visible {
    outline: 1px solid rgba(255, 255, 255, 0.45);
    outline-offset: 3px;
}

.immersive-reading-end-action--leave {
    border-color: rgba(255, 255, 255, 0.14);
    color: rgba(230, 230, 230, 0.78);
}

.immersive-reading-end-action--leave:hover {
    border-color: rgba(255, 255, 255, 0.26);
    color: rgba(255, 255, 255, 0.92);
}

@media (prefers-reduced-motion: reduce) {
    .immersive-reading-author-signature-wrap {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

.immersive-reading-verses-block .immersive-reading-verse-line {
    display: block;
    text-align: center;
}

.immersive-reading-verses-block .immersive-reading-verse-line + .immersive-reading-verse-line {
    margin-top: 1.5rem;
}

/* Sortie entre strophes : effacement en décalé, très doux (délai par ligne : --verse-exit-delay) */
@keyframes immersive-reading-verse-line-out {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-0.06em);
    }
}

.immersive-reading-verses-block.is-leaving .immersive-reading-verse-line {
    animation: immersive-reading-verse-line-out 0.68s cubic-bezier(0.33, 0.12, 0.24, 1) forwards;
    animation-delay: var(--verse-exit-delay, 0s);
}

/* Révélation mot à mot : fondu doux, sans à-coups (délai par mot via --reveal-delay) */
@keyframes immersive-reading-verse-word-in {
    from {
        opacity: 0;
        transform: translateY(0.05em);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.immersive-reading-verse-word {
    opacity: 0;
    display: inline;
}

.immersive-reading-verses-block.is-visible .immersive-reading-verse-word {
    animation: immersive-reading-verse-word-in 0.75s cubic-bezier(0.33, 0.86, 0.42, 1) forwards;
    animation-delay: var(--reveal-delay, 0s);
}

@media (prefers-reduced-motion: reduce) {
    .immersive-reading-verse-word {
        opacity: 1;
        animation: none;
        filter: none;
        transform: none;
    }
    .immersive-reading-verses-block.is-visible .immersive-reading-verse-word {
        animation: none;
        opacity: 1;
        filter: none;
        transform: none;
    }

    .immersive-reading-verses-block.is-leaving .immersive-reading-verse-line {
        animation: none;
        opacity: 0;
        transform: none;
        transition: opacity 0.14s ease;
    }
}

/* Moteur poem-reading (overlay HTML) au-dessus du canvas Three.js */
.immersive-reading-poem-engine-host {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    min-width: 0;
    width: 100%;
}

.immersive-reading-poem-engine-host .poem-overlay {
    --poem-fg: rgba(248, 248, 250, 0.92);
    --poem-fg-muted: rgba(248, 248, 250, 0.55);
    --poem-bg-scrim: transparent;
    --poem-continue: rgba(248, 248, 250, 0.5);
}

.immersive-reading-poem-engine-host .poem-emphasis--underline-breath {
    text-decoration-color: rgba(248, 248, 250, 0.35);
}

/* Page statique : avertissement avant chargement WebGL */
.immersive-reading-preexperience-layout {
    min-height: 100vh;
    position: relative;
    background: linear-gradient(180deg, #1a2332 0%, #15202b 50%, #0f1820 100%);
}

.immersive-reading-preexperience-layout--memory {
    background: linear-gradient(180deg, #1e1a1f 0%, #2a2430 50%, #1e1a1f 100%);
}

/* Barre retour lisible sur fond sombre même en day-mode */
html.day-mode .immersive-reading-preexperience-layout .immersive-reading-back-bar__link,
.immersive-reading-preexperience-layout .immersive-reading-back-bar__link {
    color: rgba(255, 255, 255, 0.7);
}

html.day-mode .immersive-reading-preexperience-layout .immersive-reading-back-bar__link:hover,
.immersive-reading-preexperience-layout .immersive-reading-back-bar__link:hover {
    color: rgba(255, 255, 255, 0.95);
    background-color: rgba(255, 255, 255, 0.06);
}

html.day-mode .immersive-reading-preexperience-layout .immersive-reading-back-bar__link:focus-visible,
.immersive-reading-preexperience-layout .immersive-reading-back-bar__link:focus-visible {
    color: rgba(255, 255, 255, 0.95);
    outline-color: rgba(255, 255, 255, 0.4);
}

.immersive-reading-preexperience {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4.5rem 1.75rem 3rem;
    box-sizing: border-box;
    max-width: 36rem;
    margin: 0 auto;
}

.immersive-reading-preexperience__header {
    margin: 0 0 clamp(1rem, 3vh, 1.5rem);
}

.immersive-reading-preexperience__title {
    font-family: 'Crimson Pro', 'Lora', Georgia, serif;
    font-size: clamp(1.35rem, 3.6vw, 2rem);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.3;
    color: rgba(231, 231, 231, 0.98);
    margin: 0;
}

.immersive-reading-preexperience__text {
    font-family: 'Lora', Georgia, serif;
    font-size: clamp(1rem, 2.4vw, 1.12rem);
    font-weight: 400;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.78);
    margin: 0 0 1.75rem;
}

.immersive-reading-preexperience__meta {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin: 0 0 2rem;
    font-family: 'Lora', Georgia, serif;
    font-size: clamp(0.88rem, 2vw, 0.98rem);
    color: rgba(255, 255, 255, 0.55);
}

.immersive-reading-preexperience__experience-label {
    font-style: italic;
    color: rgba(255, 255, 255, 0.68);
}

.immersive-reading-preexperience__subtitle {
    display: block;
    font-style: italic;
    font-size: 0.94em;
}

.immersive-reading-preexperience__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.25rem;
    padding: 0.65rem 1.35rem;
    min-height: 44px;
    min-width: 8rem;
    font-family: 'Crimson Pro', 'Lora', Georgia, serif;
    font-size: 0.9rem;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 2px;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.immersive-reading-preexperience__cta:hover {
    color: rgba(255, 255, 255, 0.98);
    border-color: rgba(255, 255, 255, 0.45);
    background-color: rgba(255, 255, 255, 0.04);
}

.immersive-reading-preexperience__cta:focus {
    outline: none;
}

.immersive-reading-preexperience__cta:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* Passage intro → expérience : le contenu s’estompe, léger flou, rideau aligné sur la scène « mer » */
html.immersive-handoff-exit .lyreval-page-content {
    animation: none !important;
    opacity: 0;
    filter: blur(12px);
    transform: scale(1.018);
    transition:
        opacity 0.58s cubic-bezier(0.33, 0, 0.2, 1),
        filter 0.68s cubic-bezier(0.33, 0, 0.2, 1),
        transform 0.68s cubic-bezier(0.33, 0, 0.2, 1);
}

html.immersive-handoff-exit::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 20000;
    pointer-events: none;
    background: linear-gradient(180deg, #1a2332 0%, #15202b 52%, #0f1820 100%);
    opacity: 0;
    animation: immersive-handoff-curtain-out 0.64s cubic-bezier(0.33, 0, 0.2, 1) 0.08s forwards;
}

@keyframes immersive-handoff-curtain-out {
    to {
        opacity: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    html.immersive-handoff-exit .lyreval-page-content {
        transition: none;
    }

    html.immersive-handoff-exit::after {
        animation: none;
        opacity: 1;
    }
}