/* ── Section Documents (Ressources) ── */
.section--documents {
    background:
        radial-gradient(ellipse at 8% 30%, rgba(var(--color-primary-rgb), 0.06) 0%, transparent 48%),
        radial-gradient(ellipse at 92% 70%, rgba(0, 133, 63, 0.04) 0%, transparent 42%),
        var(--color-surface);
}

.section--documents .section__header {
    margin-bottom: clamp(40px, 5.5vw, 56px);
}

.documents__stack {
    display: flex;
    flex-direction: column;
    gap: clamp(28px, 4vw, 40px);
}

.documents__doc {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: stretch;
    min-width: 0;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(var(--color-primary-rgb), 0.1);
    border-radius: var(--radius-lg);
    box-shadow:
        0 8px 32px rgba(26, 46, 74, 0.07),
        inset 0 1px 0 rgba(255, 255, 255, 0.85);
    overflow: visible;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.documents__doc:hover {
    border-color: rgba(var(--color-primary-rgb), 0.2);
    box-shadow:
        0 14px 44px rgba(26, 46, 74, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.92);
}

.documents__doc--reverse {
    /* Livre à gauche : colonne aperçu élargie (miroir du CATA) */
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
}

.documents__doc--reverse .documents__copy {
    order: 2;
}

.documents__doc--reverse .documents__preview {
    order: 1;
}

.documents__copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    padding: clamp(28px, 4vw, 44px);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    overflow: hidden;
}

.documents__doc:not(.documents__doc--reverse) .documents__copy {
    border-right: 1px solid rgba(var(--color-primary-rgb), 0.08);
}

.documents__doc--reverse .documents__copy {
    border-left: 1px solid rgba(var(--color-primary-rgb), 0.08);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.documents__tag {
    margin: 0 0 12px;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.documents__title {
    margin: 0 0 12px;
    font-size: clamp(1.2rem, 2.2vw, 1.45rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--color-brand);
}

.documents__lead {
    margin: 0 0 10px;
    font-size: 0.975rem;
    font-weight: 600;
    line-height: 1.55;
    color: var(--color-text);
}

.documents__detail {
    margin: 0 0 22px;
    max-width: 46ch;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-muted);
}

.documents__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: auto;
}

.documents__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 18px;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.2;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    text-decoration: none;
}

.documents__btn svg {
    flex-shrink: 0;
}

.documents__btn--expand {
    flex: 1 1 auto;
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-brand) 100%);
    border-color: rgba(var(--color-primary-rgb), 0.35);
    box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.22);
}

.documents__btn--expand:hover {
    color: #ffffff;
    box-shadow: 0 8px 22px rgba(var(--color-primary-rgb), 0.28);
    transform: translateY(-1px);
}

.documents__btn--download {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    padding: 0;
    color: var(--color-brand-dark);
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(var(--color-primary-rgb), 0.14);
    border-radius: 12px;
    box-shadow:
        0 2px 8px rgba(26, 46, 74, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.documents__btn--download:hover {
    color: var(--color-primary);
    border-color: rgba(var(--color-primary-rgb), 0.32);
    background: #ffffff;
    box-shadow: 0 6px 18px rgba(var(--color-primary-rgb), 0.14);
    transform: translateY(-1px);
}

.documents__btn--download:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(26, 46, 74, 0.08);
}

.documents__preview {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: clamp(380px, 52vh, 640px);
    padding: clamp(24px, 3vw, 40px);
    overflow: visible;
    background:
        radial-gradient(ellipse at 50% 100%, rgba(26, 46, 74, 0.05), transparent 65%),
        rgba(var(--color-primary-rgb), 0.025);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.documents__doc--reverse .documents__preview {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.documents__viewer {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 0;
    width: 100%;
    max-width: 100%;
    background: transparent;
}

.documents__viewer-stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    padding: 0 0 10px;
    overflow: visible;
    background: transparent;
}

.documents__viewer-loader {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: transparent;
}

.documents__viewer-loader[hidden] {
    display: none;
}

.documents__viewer-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(var(--color-primary-rgb), 0.15);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: modalSpin 0.7s linear infinite;
}

.documents__viewer-mount {
    width: 100%;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 2200px;
    perspective-origin: 50% 46%;
}

.documents__viewer-mount .flipbook-book {
    margin: 0 auto;
}

.documents__viewer-mount .stf__parent {
    margin: 0 auto !important;
    transition: box-shadow 0.5s ease, transform 0.5s ease;
}

.documents__viewer-mount .stf__wrapper {
    margin: 0 auto;
}

/* Couverture — une seule page visible */
.documents__viewer.is-ready.is-on-cover .documents__viewer-mount .stf__parent {
    box-shadow:
        0 24px 48px rgba(26, 46, 74, 0.2),
        0 10px 24px rgba(26, 46, 74, 0.1),
        4px 0 0 rgba(255, 255, 255, 0.5);
    transform: rotateY(-3deg);
}

.documents__doc--reverse .documents__viewer.is-ready.is-on-cover .documents__viewer-mount .stf__parent {
    box-shadow:
        0 24px 48px rgba(26, 46, 74, 0.2),
        0 10px 24px rgba(26, 46, 74, 0.1),
        -4px 0 0 rgba(255, 255, 255, 0.5);
    transform: rotateY(3deg);
}

/* Livre ouvert — double page + reliure centrale */
.documents__viewer.is-ready.is-spread .documents__viewer-mount .stf__parent {
    box-shadow:
        0 28px 56px rgba(26, 46, 74, 0.22),
        0 10px 28px rgba(26, 46, 74, 0.12),
        inset 10px 0 20px rgba(0, 0, 0, 0.07),
        inset -10px 0 20px rgba(0, 0, 0, 0.07);
    transform: rotateY(0deg);
}

.documents__viewer.is-ready.is-on-back .documents__viewer-mount .stf__parent {
    box-shadow:
        0 24px 48px rgba(26, 46, 74, 0.2),
        0 10px 24px rgba(26, 46, 74, 0.1),
        -4px 0 0 rgba(255, 255, 255, 0.45);
    transform: rotateY(3deg);
}

.documents__doc--reverse .documents__viewer.is-ready.is-on-back .documents__viewer-mount .stf__parent {
    box-shadow:
        0 24px 48px rgba(26, 46, 74, 0.2),
        0 10px 24px rgba(26, 46, 74, 0.1),
        4px 0 0 rgba(255, 255, 255, 0.45);
    transform: rotateY(-3deg);
}

.documents__viewer.is-ready .documents__viewer-mount {
    min-height: 0;
}

.documents__viewer-hint {
    position: absolute;
    bottom: 0;
    right: 10px;
    z-index: 3;
    margin: 0;
    padding: 6px 12px;
    font-family: inherit;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(var(--color-primary-rgb), 0.18);
    border-radius: 999px;
    box-shadow: 0 4px 14px rgba(26, 46, 74, 0.1);
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    animation: flipbookHint 2.8s ease-in-out infinite;
}

.documents__viewer-hint:hover {
    background: #ffffff;
    border-color: rgba(var(--color-primary-rgb), 0.32);
    transform: translateY(-1px);
}

.documents__doc--reverse .documents__viewer-hint {
    right: auto;
    left: 10px;
    animation-name: flipbookHintReverse;
}

.documents__viewer-hint[hidden] {
    display: none !important;
}

.documents__viewer.is-ready.is-on-cover .documents__viewer-mount {
    cursor: pointer;
}

@keyframes flipbookHint {
    0%, 100% { opacity: 0.4; transform: translateX(0); }
    50% { opacity: 0.8; transform: translateX(3px); }
}

@keyframes flipbookHintReverse {
    0%, 100% { opacity: 0.4; transform: translateX(0); }
    50% { opacity: 0.8; transform: translateX(-3px); }
}

.documents__viewer-nav:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

.documents__viewer-error {
    text-align: center;
    color: var(--color-text-muted);
    padding: 24px 16px;
    font-size: 0.9375rem;
}

.documents__viewer-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    width: 100%;
    padding: 12px 0 0;
    background: transparent;
}

.documents__viewer-tools {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.documents__viewer-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(var(--color-primary-rgb), 0.12);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s, background 0.2s, color 0.2s, box-shadow 0.2s;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.documents__viewer-nav:hover {
    border-color: rgba(var(--color-primary-rgb), 0.3);
    background: #ffffff;
    color: var(--color-brand-dark);
    box-shadow: 0 4px 12px rgba(26, 46, 74, 0.08);
}

.documents__viewer-nav--expand {
    color: var(--color-brand-dark);
    background: rgba(var(--color-primary-rgb), 0.08);
    border-color: rgba(var(--color-primary-rgb), 0.2);
}

.documents__viewer-nav--expand:hover {
    background: rgba(var(--color-primary-rgb), 0.14);
    color: var(--color-primary);
}

.documents__viewer-nav--download {
    text-decoration: none;
}

.documents__viewer-nav--download:hover {
    color: var(--color-primary);
}

.documents__viewer-counter {
    min-width: 4.5rem;
    font-size: 0.8125rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    text-align: center;
    color: var(--color-text-muted);
}

/* Pages du livre */
.flipbook-page {
    background: #fafbfc;
    border: 1px solid rgba(148, 163, 184, 0.2);
    overflow: hidden;
}

.flipbook-page--cover .flipbook-page__sheet {
    padding: 4px;
    background: #ffffff;
}

.flipbook-page__sheet {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fffef9;
    padding: 3px;
    box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.1);
}

.documents__viewer .flipbook-page__canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.flipbook-page__sheet--pending {
    background: linear-gradient(180deg, #f8fafc 0%, #eef2f6 100%);
}

.flipbook-page__pending {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #94a3b8;
    letter-spacing: 0.04em;
}

.flipbook-page__canvas {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    display: block;
}

.flipbook-page__cover {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 32px 28px;
    position: relative;
    overflow: hidden;
}

.flipbook-page__cover--front {
    background: linear-gradient(155deg, var(--color-brand-dark) 0%, var(--color-brand) 55%, var(--color-primary) 100%);
    color: #ffffff;
}

.flipbook-page__cover--back {
    background: linear-gradient(155deg, var(--color-primary) 0%, var(--color-brand) 55%, var(--color-brand-dark) 100%);
    color: #ffffff;
    align-items: center;
    text-align: center;
}

.flipbook-page__cover-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--color-senegal-green), var(--color-accent), var(--color-senegal-red));
}

.flipbook-page__cover-eyebrow {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 16px;
}

.flipbook-page__cover-title {
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 20px;
}

.flipbook-page__cover-meta {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.65);
}

/* ── Mobile ── */
@media (max-width: 768px) {
    .section--documents .section__inner {
        padding-left: 16px;
        padding-right: 16px;
    }

    .documents__doc,
    .documents__doc--reverse {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .documents__doc--reverse .documents__copy,
    .documents__doc--reverse .documents__preview {
        order: unset;
    }

    .documents__doc:not(.documents__doc--reverse) .documents__copy,
    .documents__doc--reverse .documents__copy {
        border: none;
        border-bottom: 1px solid rgba(var(--color-primary-rgb), 0.08);
    }

    .documents__copy {
        padding: 24px 20px;
    }

    .documents__preview {
        min-height: clamp(340px, 58vh, 520px);
        padding: 24px 16px 28px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }

    .documents__doc--reverse .documents__preview {
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }

    .documents__copy,
    .documents__doc--reverse .documents__copy {
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .documents__detail {
        max-width: none;
    }

    .documents__actions {
        flex-direction: row;
    }

    .documents__viewer,
    .documents__doc--reverse .documents__viewer {
        align-items: center;
    }

    .documents__viewer-mount,
    .documents__doc--reverse .documents__viewer-mount {
        justify-content: center;
    }

    .documents__viewer-bar,
    .documents__doc--reverse .documents__viewer-bar {
        justify-content: center;
        align-self: center;
        width: 100%;
    }

    .documents__viewer-stage {
        min-height: 0;
        padding: 0;
    }