/* =========================================================
   TIENHUB DOWNLOAD PAGE
========================================================= */

.download-page {
    min-height: calc(100vh - var(--nav-height));
    padding-bottom: 34px;
}


/* =========================================================
   HERO
========================================================= */

.download-hero {
    position: relative;
    width: min(100% - 36px, var(--content));
    min-height: 500px;
    margin: 18px auto 0;
    overflow: hidden;

    border: 1px solid rgba(28, 195, 239, .34);
    border-radius: 20px;

    background: #061725;
    box-shadow:
        0 18px 55px rgba(0, 0, 0, .28),
        0 0 35px rgba(19, 166, 221, .06);

    isolation: isolate;
}

.download-hero-media {
    position: absolute;
    inset: 0;
    z-index: -3;
}

.download-hero-media img {
    width: 100%;
    height: 100%;
    display: block;

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

.download-hero-overlay {
    position: absolute;
    inset: 0;
    z-index: -2;

    background:
        linear-gradient(
            90deg,
            rgba(2, 13, 24, .97) 0%,
            rgba(3, 17, 29, .90) 34%,
            rgba(3, 17, 29, .42) 65%,
            rgba(3, 17, 29, .08) 100%
        ),
        linear-gradient(
            0deg,
            rgba(2, 12, 22, .42),
            transparent 48%
        );
}

.download-hero-content {
    width: min(560px, 58%);
    min-height: 500px;
    padding: 68px 0 60px 54px;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.download-kicker {
    display: inline-flex;
    align-items: center;

    margin-bottom: 13px;
    padding: 6px 10px;

    border: 1px solid rgba(55, 210, 255, .35);
    border-radius: 999px;

    background: rgba(5, 31, 47, .58);

    color: #53dcff;
    font-size: 10px;
    font-weight: 850;
    letter-spacing: .13em;
}

.download-hero h1 {
    margin: 0;

    color: #f5fbff;
    font-size: clamp(38px, 4.1vw, 60px);
    line-height: .98;
    letter-spacing: -.045em;

    text-shadow: 0 4px 24px rgba(0, 0, 0, .42);
}

.download-lead {
    max-width: 500px;
    margin: 19px 0 18px;

    color: #d6e7ee;
    font-size: 17px;
    line-height: 1.55;
}

.download-points {
    display: grid;
    grid-template-columns: repeat(2, minmax(170px, 1fr));
    gap: 9px 18px;

    width: 100%;
    margin-bottom: 26px;
}

.download-points span {
    color: #e7f5fa;
    font-size: 12px;
    font-weight: 650;
}

.download-points span::first-letter {
    color: #26d1ff;
}

.download-main-button {
    width: min(430px, 100%);
    min-height: 72px;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;

    padding: 10px 22px;

    border: 1px solid rgba(112, 231, 255, .72);
    border-radius: 14px;

    background:
        linear-gradient(
            135deg,
            rgba(21, 179, 239, .95),
            rgba(35, 112, 219, .92)
        );

    color: white;
    cursor: pointer;

    box-shadow:
        0 12px 32px rgba(0, 146, 220, .28),
        inset 0 1px 0 rgba(255, 255, 255, .18);

    transition:
        transform .2s ease,
        box-shadow .2s ease,
        filter .2s ease;
}

.download-main-button:hover {
    transform: translateY(-2px);
    filter: brightness(1.06);

    box-shadow:
        0 17px 38px rgba(0, 146, 220, .36),
        0 0 22px rgba(39, 210, 255, .13);
}

.download-main-button:active {
    transform: translateY(0) scale(.99);
}

.download-button-icon {
    font-size: 34px;
    line-height: 1;
    font-weight: 300;
}

.download-main-button strong,
.download-main-button small {
    display: block;
    text-align: left;
}

.download-main-button strong {
    font-size: 17px;
    font-weight: 850;
}

.download-main-button small {
    margin-top: 2px;
    color: rgba(235, 250, 255, .82);
    font-size: 11px;
}

.download-note {
    max-width: 480px;
    margin: 12px 0 0;

    color: rgba(204, 226, 235, .72);
    font-size: 10px;
    line-height: 1.5;
}


/* =========================================================
   FEATURE ROW
========================================================= */

.download-features {
    width: min(100% - 56px, var(--content));
    margin: -1px auto 0;

    display: grid;
    grid-template-columns: repeat(4, 1fr);

    border:
        1px solid rgba(30, 181, 232, .25);
    border-top: 0;
    border-radius: 0 0 15px 15px;

    overflow: hidden;

    background: rgba(4, 24, 38, .96);
}

.download-feature {
    min-height: 110px;

    display: flex;
    align-items: center;
    gap: 13px;

    padding: 18px;

    border-right:
        1px solid rgba(108, 159, 177, .10);
}

.download-feature:last-child {
    border-right: 0;
}

.feature-icon {
    width: 46px;
    height: 46px;
    flex: 0 0 46px;

    display: grid;
    place-items: center;

    border:
        1px solid rgba(31, 190, 239, .28);
    border-radius: 12px;

    background:
        linear-gradient(
            145deg,
            rgba(17, 96, 153, .75),
            rgba(5, 41, 69, .95)
        );

    font-size: 20px;
}

.download-feature h2 {
    margin: 0 0 5px;

    color: #eef8fb;
    font-size: 13px;
}

.download-feature p {
    margin: 0;

    color: #8299a7;
    font-size: 10px;
    line-height: 1.45;
}


/* =========================================================
   INFO CARDS
========================================================= */

.download-info-grid {
    width: min(100% - 36px, var(--content));
    margin: 28px auto 0;

    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 18px;
}

.download-info-card {
    min-height: 245px;
    padding: 22px;

    border:
        1px solid rgba(29, 181, 231, .24);
    border-radius: 15px;

    background:
        linear-gradient(
            145deg,
            rgba(6, 31, 47, .94),
            rgba(4, 20, 32, .96)
        );

    box-shadow: 0 12px 30px rgba(0, 0, 0, .16);
}

.info-card-title {
    display: flex;
    align-items: center;
    gap: 10px;

    padding-bottom: 13px;
    margin-bottom: 12px;

    border-bottom:
        1px solid rgba(95, 151, 173, .13);
}

.info-card-title > span {
    width: 30px;
    height: 30px;

    display: grid;
    place-items: center;

    border-radius: 8px;

    background: rgba(20, 157, 211, .15);
    color: #31d0ff;
    font-weight: 850;
}

.info-card-title h2 {
    margin: 0;

    color: #edf7fa;
    font-size: 14px;
}

.spec-list {
    display: flex;
    flex-direction: column;
}

.spec-list > div {
    display: grid;
    grid-template-columns: 42% 58%;
    gap: 10px;

    padding: 9px 0;

    border-bottom:
        1px solid rgba(102, 147, 163, .07);
}

.spec-list > div:last-child {
    border-bottom: 0;
}

.spec-list span {
    color: #78909e;
    font-size: 10px;
}

.spec-list strong {
    color: #dcecf2;
    font-size: 10px;
    font-weight: 650;
    line-height: 1.35;
}

.download-notice {
    border-color: rgba(242, 184, 75, .30);
}

.download-notice .info-card-title > span {
    background: rgba(237, 173, 53, .13);
    color: #ffc95b;
}

.download-notice ul {
    margin: 0;
    padding-left: 18px;
}

.download-notice li {
    margin: 0 0 13px;

    color: #b8cbd3;
    font-size: 11px;
    line-height: 1.5;
}

.download-notice li::marker {
    color: #ffc95b;
}


/* =========================================================
   FOOTER BANNER IMAGE
========================================================= */

.download-footer-banner {
    position: relative;

    width: min(100% - 36px, var(--content));
    height: 145px;

    margin: 28px auto 0;

    overflow: hidden;

    border:
        1px solid rgba(42, 143, 238, .36);
    border-radius: 15px;

    background: #061426;
}

.download-footer-banner > img {
    position: absolute;
    inset: 0;

    width: 100%;
    height: 100%;

    object-fit: cover;
    object-position: center;

    display: block;
}

.download-footer-overlay {
    position: absolute;
    inset: 0;

    background:
        linear-gradient(
            90deg,
            rgba(3, 18, 31, .95) 0%,
            rgba(3, 18, 31, .68) 42%,
            rgba(3, 18, 31, .24) 100%
        );
}

.download-footer-content {
    position: relative;
    z-index: 1;

    height: 100%;

    display: grid;
    grid-template-columns: 210px 1fr;
    align-items: center;
    gap: 24px;

    padding: 20px 28px;
}

.footer-banner-brand {
    display: flex;
    align-items: center;
    gap: 10px;

    font-size: 22px;
}

.footer-banner-brand img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.footer-banner-brand strong {
    color: white;
}

.download-footer-content h2 {
    margin: 0 0 6px;

    color: #eef8ff;
    font-size: 16px;
}

.download-footer-content p {
    margin: 0;

    color: #a9c0cb;
    font-size: 10px;
}




/* =========================================================
   PAGE ENTER / LEAVE
========================================================= */

.download-page {
    animation:
        downloadContentIn .42s cubic-bezier(.22, .8, .28, 1) both;
}

@keyframes downloadContentIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

body.page-leaving {
    pointer-events: none;
    animation: downloadPageLeave .20s ease forwards;
}

@keyframes downloadPageLeave {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-5px);
    }
}


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

@media (max-width: 1080px) {
    .download-hero-content {
        width: min(590px, 68%);
    }

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

    .download-feature:nth-child(2) {
        border-right: 0;
    }

    .download-feature:nth-child(-n + 2) {
        border-bottom:
            1px solid rgba(108, 159, 177, .10);
    }

    .download-info-grid {
        grid-template-columns: 1fr 1fr;
    }

    .download-notice {
        grid-column: 1 / -1;
    }
}

@media (max-width: 760px) {
    .download-hero {
        width: calc(100% - 24px);
        min-height: 620px;
    }

    .download-hero-content {
        width: 100%;
        min-height: 620px;
        justify-content: flex-end;

        padding:
            40px 24px 34px;
    }

    .download-hero-overlay {
        background:
            linear-gradient(
                180deg,
                rgba(2, 13, 24, .18) 0%,
                rgba(2, 13, 24, .42) 35%,
                rgba(2, 13, 24, .97) 72%
            );
    }

    .download-points {
        grid-template-columns: 1fr;
    }

    .download-features {
        width: calc(100% - 36px);
        grid-template-columns: 1fr;
    }

    .download-feature {
        border-right: 0;
        border-bottom:
            1px solid rgba(108, 159, 177, .10);
    }

    .download-feature:last-child {
        border-bottom: 0;
    }

    .download-info-grid {
        width: calc(100% - 24px);
        grid-template-columns: 1fr;
    }

    .download-notice {
        grid-column: auto;
    }

    .download-footer-banner {
        width: calc(100% - 24px);
        height: 190px;
    }

    .download-footer-content {
        grid-template-columns: 1fr;
        gap: 7px;
        padding: 18px 20px;
    }

}

@media (prefers-reduced-motion: reduce) {
    .download-page,
    body.page-leaving {
        animation: none;
    }

    .download-main-button {
        transition: none;
    }
}