/* --- 2026-07 delta v13: sekce Reference --- */
.references {
    position: relative;
}

.references-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
}

.reference-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-height: 100%;
    padding: 18px;
    border-radius: 26px;
    border: 1px solid rgba(231, 214, 189, .18);
    background:
        linear-gradient(145deg, rgba(255,255,255,.105), rgba(255,255,255,.045)),
        radial-gradient(circle at 18% 0%, rgba(249,115,22,.12), transparent 42%);
    box-shadow: 0 18px 54px rgba(0, 0, 0, .30);
    overflow: hidden;
    transition:
        transform .18s ease,
        border-color .18s ease,
        box-shadow .18s ease,
        background .18s ease;
}

.reference-card::before {
    content: "“";
    position: absolute;
    right: 16px;
    top: -10px;
    color: rgba(231, 214, 189, .13);
    font-size: 108px;
    font-weight: 900;
    line-height: 1;
    pointer-events: none;
}

.reference-card:hover,
.reference-card:focus-within {
    transform: translateY(-3px);
    border-color: rgba(231, 214, 189, .34);
    box-shadow:
        0 24px 70px rgba(0, 0, 0, .38),
        0 0 0 4px rgba(231, 214, 189, .055);
}

.reference-card__top {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 12px;
}

.reference-card__photo {
    flex: 0 0 54px;
    width: 54px;
    height: 54px;
    padding: 0;
    border: 1px solid rgba(231, 214, 189, .28);
    border-radius: 18px;
    overflow: hidden;
    background: rgba(231, 214, 189, .10);
    cursor: zoom-in;
    box-shadow: 0 10px 26px rgba(0, 0, 0, .24);
}

.reference-card__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .18s ease;
}

.reference-card__photo:hover img,
.reference-card__photo:focus-visible img {
    transform: scale(1.05);
}

.reference-card__photo--empty {
    display: grid;
    place-items: center;
    cursor: default;
    color: #11100f;
    font-weight: 950;
    font-size: 1.4rem;
    background: radial-gradient(circle at 32% 24%, #fff7ed 0%, #e7d6bd 38%, #f97316 100%);
}

.reference-card h3 {
    position: relative;
    z-index: 1;
    margin: 0;
    color: var(--text, #fff7ed);
    font-size: 1.02rem;
    line-height: 1.18;
    letter-spacing: -.01em;
}

.reference-card__text,
.reference-card__more p {
    position: relative;
    z-index: 1;
    margin: 0;
    color: var(--muted, rgba(255, 247, 237, .68));
    font-size: .94rem;
    line-height: 1.62;
}

.reference-card__text--excerpt {
    margin-bottom: -2px;
}

.reference-card__more {
    position: relative;
    z-index: 1;
    margin-top: -2px;
}

.reference-card__more summary {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid rgba(231, 214, 189, .20);
    background: rgba(255, 255, 255, .055);
    color: var(--accent, #e7d6bd);
    font-size: .82rem;
    font-weight: 850;
    cursor: pointer;
    list-style: none;
    transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.reference-card__more summary::-webkit-details-marker {
    display: none;
}

.reference-card__more summary:hover,
.reference-card__more summary:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(249, 115, 22, .40);
    background: rgba(249, 115, 22, .12);
}

.reference-card__more[open] summary {
    margin-bottom: 10px;
}

@media (max-width: 900px) {
    .references-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .references-grid {
        display: flex;
        gap: 12px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding: 2px 2px 12px;
        margin-inline: -2px;
        -webkit-overflow-scrolling: touch;
    }

    .reference-card {
        flex: 0 0 min(86vw, 360px);
        scroll-snap-align: start;
        border-radius: 22px;
        padding: 15px;
    }

    .reference-card__photo {
        flex-basis: 48px;
        width: 48px;
        height: 48px;
        border-radius: 16px;
    }

    .reference-card__text,
    .reference-card__more p {
        font-size: .9rem;
        line-height: 1.56;
    }
}

/* --- 2026-07 delta v14: reference popup + kratší karty --- */
.reference-card__text--excerpt {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: calc(1.62em * 3);
}

.reference-card__more-button {
    position: relative;
    z-index: 1;
    align-self: flex-start;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid rgba(231, 214, 189, .20);
    background: rgba(255, 255, 255, .055);
    color: var(--accent, #e7d6bd);
    font: inherit;
    font-size: .82rem;
    font-weight: 850;
    cursor: pointer;
    transition: background .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.reference-card__more-button:hover,
.reference-card__more-button:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(249, 115, 22, .46);
    background: rgba(249, 115, 22, .14);
    box-shadow: 0 10px 24px rgba(249, 115, 22, .12);
}

.reference-popup {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 22px;
}

.reference-popup.is-open {
    display: flex;
}

.reference-popup__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 6, .74);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.reference-popup__dialog {
    position: relative;
    width: min(100%, 720px);
    max-height: min(82vh, 760px);
    overflow: auto;
    padding: clamp(20px, 4vw, 30px);
    border-radius: 30px;
    border: 1px solid rgba(231, 214, 189, .24);
    background:
        linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.055)),
        radial-gradient(circle at 18% 0%, rgba(249,115,22,.14), transparent 38%),
        #10100f;
    box-shadow: 0 32px 110px rgba(0, 0, 0, .62);
}

.reference-popup__close {
    position: absolute;
    top: 13px;
    right: 13px;
    width: 38px;
    height: 38px;
    border: 1px solid rgba(231, 214, 189, .20);
    border-radius: 999px;
    background: rgba(255,255,255,.07);
    color: var(--text, #fff7ed);
    font-size: 1.55rem;
    line-height: 1;
    cursor: pointer;
    transition: background .18s ease, transform .18s ease, border-color .18s ease;
}

.reference-popup__close:hover,
.reference-popup__close:focus-visible {
    transform: translateY(-1px);
    background: rgba(249,115,22,.16);
    border-color: rgba(249,115,22,.42);
}

.reference-popup__head {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-right: 44px;
    margin-bottom: 18px;
}

.reference-popup__photo,
.reference-popup__empty {
    flex: 0 0 68px;
    width: 68px;
    height: 68px;
    border-radius: 22px;
    border: 1px solid rgba(231, 214, 189, .28);
    box-shadow: 0 14px 34px rgba(0, 0, 0, .26);
}

.reference-popup__photo {
    object-fit: cover;
    display: block;
}

.reference-popup__empty {
    display: grid;
    place-items: center;
    color: #11100f;
    font-weight: 950;
    font-size: 1.8rem;
    background: radial-gradient(circle at 32% 24%, #fff7ed 0%, #e7d6bd 38%, #f97316 100%);
}

.reference-popup__head h3 {
    margin: 0;
    color: var(--text, #fff7ed);
    font-size: clamp(1.35rem, 4vw, 2rem);
    line-height: 1.08;
    letter-spacing: -.03em;
}

.reference-popup__text {
    margin: 0;
    color: var(--muted, rgba(255, 247, 237, .72));
    font-size: clamp(.98rem, 2.4vw, 1.08rem);
    line-height: 1.72;
    white-space: pre-line;
}

.has-reference-popup {
    overflow: hidden;
}

@media (max-width: 640px) {
    .reference-card__text--excerpt {
        -webkit-line-clamp: 3;
        min-height: auto;
    }

    .reference-popup {
        align-items: flex-end;
        padding: 10px;
    }

    .reference-popup__dialog {
        width: 100%;
        max-height: 86vh;
        border-radius: 24px;
        padding: 18px;
    }

    .reference-popup__head {
        align-items: flex-start;
        gap: 12px;
        padding-right: 40px;
    }

    .reference-popup__photo,
    .reference-popup__empty {
        flex-basis: 56px;
        width: 56px;
        height: 56px;
        border-radius: 18px;
    }
}


/* --- 2026-07 delta v15: reference popup/avatar fixes --- */
.reference-popup__photo[hidden],
.reference-popup__empty[hidden] {
    display: none !important;
}

.reference-popup {
    align-items: center;
    justify-content: center;
    padding: clamp(12px, 3vw, 22px);
}

.reference-popup__dialog {
    margin: auto;
}

.reference-popup__head {
    min-height: 68px;
}

.reference-popup__photo:not([hidden]) {
    display: block;
}

.reference-popup__empty:not([hidden]) {
    display: grid;
}

@media (max-width: 640px) {
    .reference-popup {
        align-items: center;
        justify-content: center;
        padding: 8px;
    }

    .reference-popup__dialog {
        width: min(100%, 560px);
        max-height: calc(100svh - 16px);
        margin: 0 auto;
        border-radius: 22px;
        padding: 15px;
    }

    .reference-popup__head {
        min-height: 52px;
        margin-bottom: 12px;
    }

    .reference-popup__close {
        top: 9px;
        right: 9px;
        width: 34px;
        height: 34px;
    }

    .reference-popup__text {
        line-height: 1.58;
    }
}

@media (max-height: 620px) {
    .reference-popup {
        align-items: center;
        padding: 8px;
    }

    .reference-popup__dialog {
        max-height: calc(100svh - 16px);
    }
}