/* =========================================================
   KARABULUT HOMEPAGE — 03 FAALİYET ALANLARI
   Full-width visual field with three interactive service rows.
   ========================================================= */
.kb-activities {
    width: 100%;
    background: var(--kb-white);
}

.kb-activities__head {
    width: 100%;
    background: var(--kb-white);
}

.kb-activities__section-title {
    margin: 0;
    padding: 33px 0 25px;
    color: #232323;
    font-family: var(--kb-font);
    font-size: clamp(31px, 2.45vw, 42px);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.025em;
    text-transform: uppercase;
}

.kb-activities__stage {
    position: relative;
    width: 100%;
    min-height: 690px;
    overflow: hidden;
    background: #717680;
}

.kb-activities__background,
.kb-activities__placeholder,
.kb-activities__shade {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.kb-activities__background {
    object-fit: cover;
    object-position: center center;
}

.kb-activities__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #9a9da4;
}

.kb-activities__placeholder-logo {
    width: auto;
    height: auto;
    max-width: 260px;
    max-height: 170px;
    object-fit: contain;
    opacity: .22;
    filter: grayscale(1);
}

.kb-activities__placeholder > span {
    color: rgba(255,255,255,.3);
    font-size: 48px;
    font-weight: 800;
}

.kb-activities__shade {
    z-index: 1;
    background:
        linear-gradient(90deg, rgba(25, 30, 48, .52) 0%, rgba(25, 30, 48, .31) 42%, rgba(25, 30, 48, .17) 100%),
        linear-gradient(180deg, rgba(18, 23, 44, .12), rgba(18, 23, 44, .24));
    pointer-events: none;
}

.kb-activities__inner {
    position: relative;
    z-index: 2;
    min-height: 690px;
    display: flex;
    align-items: stretch;
}

.kb-activities__list {
    width: min(100%, 860px);
    min-height: 690px;
    display: grid;
    grid-template-rows: repeat(3, minmax(0, 1fr));
    align-items: stretch;
    padding: 54px 0 56px;
}

.kb-activities__item {
    position: relative;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transform-origin: left center;
    color: var(--kb-white);
    cursor: default;
    transition: transform 260ms ease, padding-left 260ms ease;
}

.kb-activities__item:hover,
.kb-activities__item:focus-within,
.kb-activities__item.is-active {
    transform: scale(1.025);
    padding-left: 2px;
}

.kb-activities__item:focus-visible {
    outline-color: rgba(255,255,255,.92);
}

.kb-activities__number {
    margin-bottom: 2px;
    color: var(--kb-accent);
    font-family: var(--kb-font);
    font-size: clamp(31px, 2.25vw, 41px);
    font-weight: 800;
    line-height: .92;
    letter-spacing: -0.025em;
}

.kb-activities__title {
    width: max-content;
    max-width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 0;
    color: var(--kb-white);
    font-family: var(--kb-font);
    font-size: clamp(38px, 3.45vw, 61px);
    font-weight: 800;
    line-height: .98;
    letter-spacing: -0.035em;
    text-transform: uppercase;
    transition: font-size 260ms ease;
}

.kb-activities__title-arrow {
    display: inline-flex;
    align-items: center;
    color: var(--kb-white);
    font-size: .88em;
    font-weight: 300;
    line-height: 1;
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 220ms ease, transform 220ms ease;
}

.kb-activities__item:hover .kb-activities__title-arrow,
.kb-activities__item:focus-within .kb-activities__title-arrow,
.kb-activities__item.is-active .kb-activities__title-arrow {
    opacity: 1;
    transform: translateX(0);
}

.kb-activities__reveal {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition: max-height 300ms ease, opacity 220ms ease, transform 260ms ease, margin-top 260ms ease;
}

.kb-activities__item:hover .kb-activities__reveal,
.kb-activities__item:focus-within .kb-activities__reveal,
.kb-activities__item.is-active .kb-activities__reveal {
    max-height: 110px;
    margin-top: 8px;
    opacity: 1;
    transform: translateY(0);
}

.kb-activities__description {
    margin: 0 0 11px;
    color: var(--kb-white);
    font-family: var(--kb-font);
    font-size: 17px;
    font-weight: 600;
    line-height: 1.25;
}

.kb-activities__button {
    width: 168px;
    min-height: var(--kb-home-cta-height);
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 7px 9px 6px;
    background: var(--kb-accent);
    color: var(--kb-white);
    font-family: var(--kb-font);
    font-size: var(--kb-home-cta-font-size);
    font-weight: var(--kb-home-cta-font-weight);
    line-height: 1;
    text-transform: uppercase;
    transition: background-color var(--kb-transition), transform var(--kb-transition);
}

.kb-activities__button:hover,
.kb-activities__button:focus-visible {
    background: var(--kb-accent-dark);
    color: var(--kb-white);
}

.kb-activities__button-arrow {
    flex: 0 0 auto;
    font-size: 18px;
    font-weight: 300;
    line-height: .7;
    transition: transform var(--kb-transition);
}

.kb-activities__button:hover .kb-activities__button-arrow,
.kb-activities__button:focus-visible .kb-activities__button-arrow {
    transform: translateX(3px);
}

@media (max-width: 1180px) {
    .kb-activities__stage,
    .kb-activities__inner,
    .kb-activities__list {
        min-height: 630px;
    }

    .kb-activities__list {
        width: min(100%, 780px);
    }

    .kb-activities__title {
        font-size: clamp(34px, 4.4vw, 52px);
    }
}

@media (max-width: 820px) {
    .kb-activities__section-title {
        padding: 30px 0 23px;
        font-size: clamp(28px, 7vw, 38px);
    }

    .kb-activities__stage,
    .kb-activities__inner,
    .kb-activities__list {
        min-height: 0;
    }

    .kb-activities__stage {
        padding: 32px 0;
    }

    .kb-activities__shade {
        background: rgba(25, 30, 48, .52);
    }

    .kb-activities__list {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 34px;
        padding: 0;
    }

    .kb-activities__item,
    .kb-activities__item:hover,
    .kb-activities__item:focus-within,
    .kb-activities__item.is-active {
        transform: none;
        padding-left: 0;
    }

    .kb-activities__number {
        font-size: 28px;
    }

    .kb-activities__title {
        width: 100%;
        font-size: clamp(31px, 8.4vw, 45px);
    }

    .kb-activities__title-arrow {
        display: none;
    }

    .kb-activities__reveal,
    .kb-activities__item:hover .kb-activities__reveal,
    .kb-activities__item:focus-within .kb-activities__reveal,
    .kb-activities__item.is-active .kb-activities__reveal {
        max-height: none;
        margin-top: 8px;
        overflow: visible;
        opacity: 1;
        transform: none;
    }

    .kb-activities__description {
        max-width: 600px;
        font-size: 16px;
    }

    .kb-activities__button {
        min-height: 40px;
    }
}

@media (max-width: 480px) {
    .kb-activities__stage {
        padding: 28px 0 32px;
    }

    .kb-activities__list {
        gap: 30px;
    }

    .kb-activities__number {
        font-size: 25px;
    }

    .kb-activities__title {
        font-size: 31px;
        line-height: 1.02;
    }

    .kb-activities__description {
        font-size: 15px;
    }
}

/* =========================================================
   ACTIVITIES — RIGHT-SIDE REELS VIDEO
   ========================================================= */
.kb-activities__video {
    position: relative;
    flex: 0 0 360px;
    width: min(100%, 360px);
    aspect-ratio: 9 / 16;
    align-self: center;
    margin-left: auto;
    overflow: hidden;
    background: #ececec;
}

.kb-activities__video-poster,
.kb-activities__video-image,
.kb-activities__video-placeholder {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.kb-activities__video-image {
    object-fit: cover;
    object-position: center center;
}

.kb-activities__video-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ededed;
}

.kb-activities__video-placeholder-logo {
    width: auto;
    height: auto;
    max-width: 58%;
    max-height: 150px;
    object-fit: contain;
    opacity: .55;
    filter: grayscale(1);
}

.kb-activities__video-placeholder > span {
    color: rgba(37, 45, 82, .48);
    font-family: var(--kb-font);
    font-size: 25px;
    font-weight: 800;
}

.kb-activities-video__trigger {
    position: absolute;
    inset: 0;
    z-index: 2;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    cursor: pointer;
    color: var(--kb-white);
    background: transparent;
    font-family: var(--kb-font);
    text-align: center;
}

.kb-activities-video__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(18, 23, 44, .08) 0%, rgba(18, 23, 44, .16) 42%, rgba(18, 23, 44, .58) 100%);
}

.kb-activities-video__content {
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: clamp(42px, 7vh, 74px);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.kb-activities-video__caption {
    display: block;
    max-width: 310px;
    color: var(--kb-white);
    font-size: 18px;
    font-weight: 600;
    line-height: 1.16;
    text-shadow: 0 2px 16px rgba(0, 0, 0, .32);
}

.kb-activities-video__play {
    width: 64px;
    height: 64px;
    display: block;
    transition: transform var(--kb-transition);
}

.kb-activities-video__play svg {
    width: 100%;
    height: 100%;
    display: block;
    overflow: visible;
}

.kb-activities-video__play circle {
    fill: rgba(255, 255, 255, .95);
    stroke: rgba(255, 255, 255, .48);
    stroke-width: 1;
}

.kb-activities-video__play path {
    fill: var(--kb-accent);
}

.kb-activities-video__trigger:hover .kb-activities-video__play,
.kb-activities-video__trigger:focus-visible .kb-activities-video__play {
    transform: scale(1.07);
}

.kb-activities-video__trigger:focus-visible {
    outline: 2px solid var(--kb-accent);
    outline-offset: -4px;
}

.kb-activities-video__iframe {
    position: absolute;
    inset: 0;
    z-index: 4;
    width: 100%;
    height: 100%;
    border: 0;
    background: #000;
}

.kb-activities__video.is-playing .kb-activities-video__trigger {
    opacity: 0;
    pointer-events: none;
}

.kb-activities-video__playback {
    position: absolute;
    right: 16px;
    bottom: 16px;
    z-index: 6;
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    border-radius: 50%;
    color: var(--kb-accent);
    background: transparent;
    cursor: pointer;
    filter: drop-shadow(0 4px 14px rgba(0, 0, 0, .24));
    transition: transform var(--kb-transition), opacity var(--kb-transition);
}

.kb-activities-video__playback[hidden] {
    display: none !important;
}

.kb-activities-video__playback:hover,
.kb-activities-video__playback:focus-visible {
    transform: scale(1.06);
}

.kb-activities-video__playback:focus-visible {
    outline: 2px solid var(--kb-accent);
    outline-offset: 3px;
}

.kb-activities-video__playback-icon,
.kb-activities-video__playback-icon svg {
    width: 48px;
    height: 48px;
    display: block;
}

.kb-activities-video__playback-icon circle {
    fill: rgba(255, 255, 255, .95);
    stroke: rgba(255, 255, 255, .55);
    stroke-width: 1;
}

.kb-activities-video__playback-icon path {
    fill: var(--kb-accent);
}

.kb-activities-video__playback-icon--play {
    display: none;
}

.kb-activities-video__playback.is-paused .kb-activities-video__playback-icon--pause {
    display: none;
}

.kb-activities-video__playback.is-paused .kb-activities-video__playback-icon--play {
    display: block;
}

@media (max-width: 1180px) {
    .kb-activities__video {
        flex-basis: 330px;
        width: min(100%, 330px);
    }
}

@media (max-width: 1020px) and (min-width: 821px) {
    .kb-activities__list {
        width: min(100%, 690px);
    }
}

@media (max-width: 820px) {
    .kb-activities__inner {
        flex-direction: column;
        align-items: stretch;
    }

    .kb-activities__video {
        flex: none;
        width: 100%;
        max-width: none;
        margin: 34px 0 0;
        align-self: stretch;
    }

    .kb-activities-video__caption {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .kb-activities__video {
        width: 100%;
        max-width: none;
        margin-top: 30px;
    }

    .kb-activities-video__content {
        left: 24px;
        right: 24px;
        bottom: 44px;
    }

    .kb-activities-video__play {
        width: 58px;
        height: 58px;
    }
}