@import '_global.css';

header.topPage {
    display: none;
}

main#la-grua {
    max-width: none;
    padding: 0;
    background: #f5f5f3;
}

.gruaHero {
    position: relative;
    isolation: isolate;
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--color2);
}

.gruaHero__image,
.gruaHero__overlay {
    position: absolute;
    inset: 0;
}

.gruaHero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.gruaHero__overlay {
    z-index: -1;
    background:
        linear-gradient(90deg, rgba(37, 35, 29, 0.62) 0%, rgba(37, 35, 29, 0.36) 44%, rgba(37, 35, 29, 0.06) 100%),
        linear-gradient(0deg, rgba(37, 35, 29, 0.28), rgba(37, 35, 29, 0.06));
}

.gruaHero__content {
    color: #fff;
    border-left: 7px solid var(--color1);
    padding-left: clamp(24px, 4vw, 54px);
}

.gruaHero h1 {
    max-width: 8ch;
    font-size: clamp(4rem, 9vw, 8.5rem);
    line-height: 0.9;
    margin-bottom: 28px;
    font-weight: 900;
}

.gruaHero h1 span {
    display: block;
    font-weight: 300;
}

.gruaHero p {
    max-width: 620px;
    font-size: clamp(1.05rem, 1.45vw, 1.28rem);
    line-height: 1.65;
    margin-bottom: 28px;
    font-weight: 300;
}

.gruaHero .btn {
    font-weight: 800;
}

.gruaLibrary {
    padding: clamp(70px, 8vw, 118px) 0 clamp(78px, 9vw, 128px);
    overflow: hidden;
}

.gruaLibrary__header {
    display: grid;
    grid-template-columns: minmax(360px, 0.95fr) minmax(260px, 0.45fr);
    gap: clamp(28px, 6vw, 92px);
    align-items: end;
    margin-bottom: clamp(42px, 6vw, 70px);
}

.gruaLibrary__header h2 {
    line-height: 0.95;
    color: var(--color1);
    font-size: clamp(3.4rem, 7vw, 7rem);
}

.gruaLibrary__header h2 span {
    display: block;
    color: var(--color2);
    font-weight: 300;
}

.gruaLibrary__header p {
    max-width: 640px;
    margin-top: 24px;
    color: #36342f;
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 1.62;
}

.gruaLibrary__latest {
    border-right: 7px solid var(--color1);
    padding-right: clamp(18px, 3vw, 34px);
    text-align: right;
}

.gruaLibrary__latest span,
.gruaLibrary__latest small {
    display: block;
    color: #6e747a;
    font-weight: 700;
    letter-spacing: 0;
}

.gruaLibrary__latest strong {
    display: block;
    margin: 8px 0;
    color: var(--color2);
    font-size: clamp(1.8rem, 3vw, 3rem);
    line-height: 0.95;
}

.gruaLibrary__video {
    display: grid;
    grid-template-columns: 1fr minmax(340px, 620px);
    align-items: center;
    gap: clamp(22px, 4vw, 52px);
    margin-bottom: clamp(10px, 2vw, 24px);
}

.gruaLibrary__video span {
    display: block;
    height: 1px;
    background: linear-gradient(90deg, rgba(196, 40, 26, 0.7), rgba(37, 35, 29, 0.08));
}

.gruaLibrary__video video {
    width: 100%;
    height: clamp(150px, 16vw, 238px);
    display: block;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid rgba(37, 35, 29, 0.08);
    box-shadow: 0 22px 60px rgba(37, 35, 29, 0.14);
    filter: saturate(0.92) contrast(1.03);
}

.gruaCarousel {
    position: relative;
    width: min(1500px, 100%);
    margin-inline: auto;
    padding-inline: clamp(54px, 7vw, 96px);
}

.gruaCarousel__viewport {
    overflow: hidden;
    padding: 62px 0 70px;
}

.gruaCarousel__track {
    --grua-offset: 0px;
    display: flex;
    align-items: center;
    gap: clamp(18px, 2vw, 28px);
    transform: translateX(var(--grua-offset));
    transition: transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.gruaIssue {
    flex: 0 0 clamp(210px, 20vw, 310px);
}

.gruaIssue__button {
    width: 100%;
    min-height: 100%;
    display: grid;
    grid-template-rows: auto 1fr auto;
    padding: 0;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(37, 35, 29, 0.09);
    box-shadow: 0 18px 44px rgba(37, 35, 29, 0.12);
    cursor: pointer;
    text-align: left;
    transform: scale(0.88);
    opacity: 0.62;
    filter: saturate(0.7);
    transition: transform 0.35s ease, opacity 0.35s ease, filter 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.gruaIssue.is-active .gruaIssue__button {
    transform: scale(1.18);
    opacity: 1;
    filter: saturate(1);
    border-color: rgba(196, 40, 26, 0.78);
    box-shadow: 0 34px 82px rgba(37, 35, 29, 0.28);
}

.gruaIssue:not(.is-active) .gruaIssue__button:hover,
.gruaIssue__button:focus-visible {
    transform: scale(0.94) translateY(-6px);
    opacity: 0.86;
    filter: saturate(0.92);
    border-color: rgba(196, 40, 26, 0.55);
    box-shadow: 0 28px 70px rgba(37, 35, 29, 0.2);
}

.gruaIssue.is-active .gruaIssue__year {
    background: var(--color1);
}

.gruaIssue.is-active .gruaIssue__meta strong {
    color: var(--color1);
    font-size: 1.22rem;
}

.gruaIssue__year {
    background: var(--color2);
    color: #fff;
    padding: 10px 14px;
    font-weight: 900;
}

.gruaIssue__cover {
    width: 100%;
    aspect-ratio: 0.72;
    object-fit: cover;
    display: block;
    background: #ddd;
}

.gruaIssue__meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    padding: 14px;
    color: var(--color2);
}

.gruaIssue__meta strong {
    font-size: 1.05rem;
}

.gruaIssue__meta small {
    color: #6e747a;
    white-space: nowrap;
}

.gruaCarousel__nav {
    position: absolute;
    top: 45%;
    z-index: 3;
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--color1);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 16px 34px rgba(196, 40, 26, 0.28);
}

.gruaCarousel__nav:hover {
    background: var(--color2);
}

.gruaCarousel__nav:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.gruaCarousel__nav--prev {
    left: clamp(8px, 2vw, 24px);
}

.gruaCarousel__nav--next {
    right: clamp(8px, 2vw, 24px);
}

.gruaReader[hidden] {
    display: none;
}

.gruaReader {
    position: fixed;
    inset: 0;
    z-index: 1000;
}

.gruaReader__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 14, 12, 0.82);
    backdrop-filter: blur(8px);
}

.gruaReader__panel {
    position: relative;
    z-index: 1;
    width: min(1220px, calc(100vw - 38px));
    height: min(880px, calc(100svh - 38px));
    margin: 19px auto;
    display: grid;
    grid-template-rows: auto 1fr auto;
    background: #f2f0eb;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.38);
}

.gruaReader__header,
.gruaReader__footer {
    position: relative;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px clamp(28px, 4vw, 58px);
    background: #fff;
}

.gruaReader__footer {
    min-height: 56px;
    box-shadow: 0 -10px 26px rgba(242, 240, 235, 0.96);
}

.gruaReader__header span {
    color: var(--color1);
    font-weight: 900;
}

.gruaReader__header h2 {
    color: var(--color2);
    font-size: clamp(1.5rem, 2.5vw, 2.4rem);
    line-height: 1;
}

.gruaReader__close,
.gruaReader__nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--color2);
    color: #fff;
    cursor: pointer;
}

.gruaReader__close {
    width: auto;
    min-width: 74px;
    max-width: 92px;
    flex: 0 0 auto;
    height: 36px;
    padding: 0 18px;
    background: var(--color1);
    font-size: 0.82rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: 0;
    position: relative;
    z-index: 35;
    margin-right: 8px;
}

.gruaReader__stage {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 58px 1fr 58px;
    align-items: center;
    gap: clamp(10px, 2vw, 22px);
    padding: clamp(12px, 2vw, 26px) clamp(14px, 2.5vw, 34px);
    min-height: 0;
    overflow: hidden;
}

.gruaReader__loading {
    position: absolute;
    inset: clamp(12px, 2vw, 26px) clamp(72px, 8vw, 112px);
    z-index: 18;
    display: none;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(242, 240, 235, 0.9)),
        #f2f0eb;
    color: var(--color2);
    font-weight: 900;
    letter-spacing: 0;
}

.gruaReader__loading span {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 22px;
    background: #fff;
    border-left: 5px solid var(--color1);
    box-shadow: 0 20px 54px rgba(37, 35, 29, 0.12);
}

.gruaReader__loading span::before {
    content: "";
    width: 18px;
    height: 18px;
    border: 3px solid rgba(196, 40, 26, 0.22);
    border-top-color: var(--color1);
    border-radius: 999px;
    animation: gruaLoadingSpin 0.8s linear infinite;
}

.gruaReader.is-loading .gruaReader__loading {
    display: flex;
}

.gruaReader.is-loading .gruaBook {
    opacity: 0;
    pointer-events: none;
}

.gruaReader.is-loading .gruaReader__nav {
    opacity: 0.25;
    pointer-events: none;
}

.gruaReader__nav {
    position: relative;
    z-index: 25;
    width: 52px;
    height: 52px;
    justify-self: center;
    pointer-events: auto;
}

.gruaReader__nav:disabled {
    opacity: 0.32;
    cursor: not-allowed;
}

.gruaBook {
    position: relative;
    z-index: 2;
    display: block;
    margin: 0 auto;
    touch-action: none;
}

.gruaTurnPage {
    background-color: #fff;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    box-shadow: inset 0 0 0 1px rgba(37, 35, 29, 0.04);
}

.gruaBook .turn-page {
    background-color: #fff;
}

.gruaBook .shadow,
.gruaBook.shadow {
    box-shadow: 0 22px 58px rgba(37, 35, 29, 0.16);
}

.gruaBook__page {
    position: relative;
    margin: 0;
    min-width: 0;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    box-shadow: 0 18px 42px rgba(37, 35, 29, 0.14);
    overflow: hidden;
    transform-style: preserve-3d;
    transition: transform 0.22s ease, filter 0.22s ease, box-shadow 0.22s ease;
    user-select: none;
}

.gruaBook__page--under-left,
.gruaBook__page--under-right {
    z-index: 0;
    pointer-events: none;
    box-shadow: inset 16px 0 32px rgba(37, 35, 29, 0.08);
}

.gruaBook__page--under-left {
    grid-column: 1;
    grid-row: 1;
}

.gruaBook__page--under-right {
    grid-column: 2;
    grid-row: 1;
}

.gruaBook__page--left {
    grid-column: 1;
    grid-row: 1;
    z-index: 2;
}

.gruaBook__page--right {
    grid-column: 2;
    grid-row: 1;
    z-index: 2;
}

.gruaBook__page::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.24), transparent 28%),
        linear-gradient(270deg, rgba(0, 0, 0, 0.2), transparent 42%);
    transition: opacity 0.18s ease;
    z-index: 1;
}

.gruaBook.can-drag-forward .gruaBook__page--right::after,
.gruaBook.can-drag-forward .gruaBook__page--left::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    width: 54px;
    height: 54px;
    pointer-events: none;
    background:
        linear-gradient(135deg, transparent 0 48%, rgba(196, 40, 26, 0.22) 50%, rgba(255, 255, 255, 0.88) 53% 100%);
    box-shadow: -8px -8px 18px rgba(37, 35, 29, 0.1);
    clip-path: polygon(100% 0, 0 100%, 100% 100%);
    opacity: 0.82;
    transition: opacity 0.2s ease;
}

.gruaBook.can-drag-forward .gruaBook__page--left::after {
    display: none;
}

.gruaBook.can-drag-back .gruaBook__page--left {
    cursor: grab;
}

.gruaBook.can-drag-forward .gruaBook__page--right {
    cursor: grab;
}

.gruaBook.is-dragging .gruaBook__page {
    cursor: grabbing;
    transition: none;
}

.gruaBook.is-turning .gruaBook__page--left {
    animation: gruaPageSettle 0.34s ease;
}

.gruaBook.is-turning .gruaBook__page--right {
    transform-origin: left center;
    animation: gruaPageTurn 0.42s ease;
}

.gruaBook.is-dragging-forward .gruaBook__page--right {
    z-index: 4;
    transform-origin: left center;
    transform:
        translateX(calc(var(--grua-drag-x) * 0.48))
        rotateY(calc(var(--grua-drag-progress) * -112deg))
        skewY(calc(var(--grua-drag-progress) * 1.35deg));
    filter: brightness(calc(1 - (var(--grua-drag-progress) * 0.16)));
    box-shadow: -34px 18px 54px rgba(37, 35, 29, calc(0.16 + (var(--grua-drag-progress) * 0.24)));
}

.gruaBook.is-dragging-forward .gruaBook__page--under-right {
    z-index: 1;
    filter: brightness(calc(0.96 + (var(--grua-drag-progress) * 0.04)));
}

.gruaBook.is-dragging-back .gruaBook__page--left {
    z-index: 4;
    transform-origin: right center;
    transform:
        translateX(calc(var(--grua-drag-x) * 0.48))
        rotateY(calc(var(--grua-drag-progress) * 112deg))
        skewY(calc(var(--grua-drag-progress) * -1.35deg));
    filter: brightness(calc(1 - (var(--grua-drag-progress) * 0.16)));
    box-shadow: 34px 18px 54px rgba(37, 35, 29, calc(0.16 + (var(--grua-drag-progress) * 0.24)));
}

.gruaBook.is-dragging-back .gruaBook__page--under-left {
    z-index: 1;
    filter: brightness(calc(0.96 + (var(--grua-drag-progress) * 0.04)));
}

.gruaBook.is-dragging-forward .gruaBook__page--right::before,
.gruaBook.is-dragging-back .gruaBook__page--left::before {
    opacity: calc(var(--grua-drag-progress) * 0.9);
}

.gruaBook.is-dragging .gruaBook__page::after {
    opacity: 0;
}

.gruaBook.is-releasing .gruaBook__page {
    transition: transform 0.18s ease, filter 0.18s ease, box-shadow 0.18s ease;
}

.gruaBook__page img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    -webkit-user-drag: none;
    user-select: none;
}

.gruaReader__progress {
    flex: 1;
    height: 5px;
    background: #ddd8d0;
    overflow: hidden;
    border-radius: 999px;
}

.gruaReader__progress span {
    display: block;
    width: 0;
    height: 100%;
    background: var(--color1);
    transition: width 0.25s ease;
}

@keyframes gruaPageTurn {
    0% {
        transform: rotateY(-16deg);
        opacity: 0.62;
        filter: brightness(0.92);
    }

    100% {
        transform: rotateY(0deg);
        opacity: 1;
        filter: brightness(1);
    }
}

@keyframes gruaLoadingSpin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes gruaPageSettle {
    0% {
        opacity: 0.72;
        transform: translateX(8px);
    }

    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 980px) {
    .gruaHero {
        min-height: calc(100svh - 64px);
    }

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

    .gruaLibrary__latest {
        border-right: 0;
        border-left: 7px solid var(--color1);
        padding-right: 0;
        padding-left: 20px;
        text-align: left;
    }

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

    .gruaLibrary__video span {
        display: none;
    }

    .gruaReader__stage {
        grid-template-columns: 42px 1fr 42px;
    }

    .gruaReader__nav {
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 680px) {
    .gruaHero__content {
        padding-left: 22px;
    }

    .gruaHero h1 {
        font-size: clamp(3.2rem, 18vw, 5rem);
    }

    .gruaCarousel {
        padding-inline: 42px;
    }

    .gruaCarousel__track {
        gap: 18px;
    }

    .gruaIssue {
        flex-basis: clamp(190px, 68vw, 250px);
    }

    .gruaCarousel__viewport {
        padding: 46px 0 58px;
    }

    .gruaIssue__button {
        transform: scale(0.84);
    }

    .gruaIssue.is-active .gruaIssue__button {
        transform: scale(1.12);
    }

    .gruaReader__panel {
        width: 100vw;
        height: 100svh;
        margin: 0;
        border-radius: 0;
    }

    .gruaReader__stage {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 1fr auto;
        gap: 12px;
    }

    .gruaReader__loading {
        inset: 16px 18px 82px;
    }

    .gruaBook {
        grid-column: 1 / -1;
        grid-row: 1;
    }

    .gruaBook__page--under-left,
    .gruaBook__page--under-right,
    .gruaBook__page--left,
    .gruaBook__page--right {
        grid-column: 1;
        grid-row: 1;
    }

    .gruaBook.can-drag-forward .gruaBook__page--left {
        cursor: grab;
    }

    .gruaBook.can-drag-forward .gruaBook__page--left::after {
        display: block;
    }

    .gruaBook.is-dragging-forward .gruaBook__page--left {
        z-index: 4;
        transform-origin: left center;
        transform:
            translateX(calc(var(--grua-drag-x) * 0.34))
            rotateY(calc(var(--grua-drag-progress) * -88deg))
            skewY(calc(var(--grua-drag-progress) * 1.1deg));
        filter: brightness(calc(1 - (var(--grua-drag-progress) * 0.14)));
        box-shadow: -24px 14px 42px rgba(37, 35, 29, calc(0.14 + (var(--grua-drag-progress) * 0.2)));
    }

    .gruaBook.is-dragging-forward .gruaBook__page--left::before {
        opacity: calc(var(--grua-drag-progress) * 0.85);
    }

    .gruaBook__page--right {
        display: none;
    }

    .gruaReader__nav {
        align-self: center;
        justify-self: center;
    }

    .gruaReader__nav--prev {
        grid-column: 1;
        grid-row: 2;
    }

    .gruaReader__nav--next {
        grid-column: 2;
        grid-row: 2;
    }
}