:root {
    --case-ink: #20262e;
    --case-muted: #68717c;
    --case-accent: #1a9ed4;
    --case-line: #e1e6eb;
    --case-surface: #f4f6f8;
}

.custom-build-hero-section.hero-section {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 340px;
    padding: 52px 0 !important;
    background-image: url("/assets/images/custom-pc-page-banner/header-banner-scaled.jpg");
    background-position: center 52%;
    background-size: cover;
}

.custom-build-hero-section.hero-section::before {
    position: absolute;
    inset: 0;
    background: rgba(14, 20, 27, 0.68);
    content: "";
}

.custom-build-hero-section .container {
    position: relative;
    z-index: 1;
}

.custom-build-hero-section h5 {
    margin-bottom: 10px;
    color: #72c9ec !important;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
}

.custom-build-hero-section h1 {
    margin-bottom: 12px;
    color: #fff !important;
    font-size: 42px;
    line-height: 1.15;
    letter-spacing: 0;
}

.custom-build-hero-section p {
    max-width: 590px;
    margin-bottom: 0;
    color: #e3e8ec !important;
    font-size: 16px;
    line-height: 1.6;
}

.custom-build-hero-section .row.mt-5 {
    margin-top: 24px !important;
}

.custom-build-hero-section .input-group {
    gap: 8px;
    padding: 7px 10px !important;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.35) !important;
    border-radius: 6px !important;
}

.custom-build-hero-section .input-group span {
    border-color: rgba(255, 255, 255, 0.35) !important;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    white-space: nowrap;
}

.custom-build-hero-section .input-group select {
    min-width: 80px;
    color: var(--case-ink);
    background-color: #fff;
    border-radius: 4px !important;
    box-shadow: none;
}

.pc-configurator-section.mt-4.mb-4 {
    min-height: 0;
    margin: 0 !important;
    padding: 42px 0 56px;
    background: var(--case-surface);
    color: var(--case-ink);
}

.pc-configurator-section.mt-4.mb-4 > .container.py-5 {
    max-width: 1400px;
    padding: 36px 40px !important;
    background: #fff;
    border: 1px solid var(--case-line);
    border-radius: 8px;
    box-shadow: 0 12px 32px rgba(32, 38, 46, 0.07);
}

#thumbnailContainer {
    align-items: center;
    padding: 10px 12px;
}

#thumbnailContainer > span {
    color: var(--case-muted);
    font-size: 10px;
    letter-spacing: 0;
}

#thumbnailContainer .img-thumbnail {
    width: 100%;
    max-width: 112px;
    aspect-ratio: 1;
    padding: 8px;
    object-fit: contain;
    background: #fff;
    border: 1px solid var(--case-line);
    border-radius: 6px;
    cursor: pointer;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

#thumbnailContainer .img-thumbnail:hover,
#thumbnailContainer .img-thumbnail.thumb-active {
    border-color: var(--case-accent);
    box-shadow: 0 0 0 2px rgba(26, 158, 212, 0.12);
}

#caseTitle {
    min-height: 36px;
    margin-bottom: 24px !important;
    color: var(--case-ink);
    font-size: 26px;
    line-height: 1.25;
    letter-spacing: 0;
    overflow-wrap: anywhere;
}

.pc-configurator-section #mainCaseImage {
    width: min(100%, 440px);
    height: 400px;
    max-height: 400px !important;
    margin: 0 12px !important;
    object-fit: contain;
    filter: drop-shadow(0 14px 18px rgba(28, 38, 48, 0.12));
    transition-property: opacity !important;
}

.pc-configurator-section .side-img {
    width: 150px;
    height: 190px;
    object-fit: contain;
}

.pc-configurator-section .nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0 !important;
    color: var(--case-ink);
    background: #fff;
    border: 1px solid var(--case-line);
    font-size: 28px;
    line-height: 1;
    transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.pc-configurator-section .nav-btn:hover {
    color: #fff;
    background: var(--case-accent);
    border-color: var(--case-accent);
}

.pc-configurator-section .nav-btn:focus-visible,
#thumbnailContainer .img-thumbnail:focus-visible,
.custom-build-hero-section select:focus-visible,
#prevStepBtn:focus-visible,
#addToBuildBtn:focus-visible {
    outline: 3px solid rgba(26, 158, 212, 0.38);
    outline-offset: 2px;
}

.pc-configurator-section .row.justify-content-center.mt-5.text-center > .col-auto {
    min-width: 180px;
    padding: 16px 28px !important;
    background: #fff;
    border: 1px solid var(--case-line);
    border-radius: 6px;
}

.pc-configurator-section #casePrice {
    margin-top: 5px;
    color: var(--case-ink);
    font-size: 26px;
    line-height: 1.2;
}

#prevStepBtn,
#addToBuildBtn {
    min-height: 48px;
    padding: 12px 20px !important;
    border-radius: 5px !important;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0;
    transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

#prevStepBtn {
    color: var(--case-ink);
    background: #fff;
    border-color: #c9d0d7;
}

#prevStepBtn:hover {
    color: #fff;
    background: var(--case-ink);
    border-color: var(--case-ink);
}

#addToBuildBtn {
    color: #fff;
    background: var(--case-accent);
    border-color: var(--case-accent);
}

#addToBuildBtn:hover {
    color: #fff;
    background: rgb(17, 127, 174);
    border-color: rgb(17, 127, 174);
}

@media (max-width: 991.98px) {
    .custom-build-hero-section.hero-section {
        min-height: 310px;
        padding: 42px 0 !important;
    }

    .pc-configurator-section.mt-4.mb-4 > .container.py-5 {
        padding: 30px 24px !important;
    }

    #thumbnailContainer .img-thumbnail {
        max-width: 96px;
    }
}

@media (max-width: 767.98px) {
    .custom-build-hero-section.hero-section {
        min-height: 0;
        padding: 38px 0 !important;
    }

    .custom-build-hero-section h1 {
        font-size: 34px;
    }

    .custom-build-hero-section .col-md-8 {
        width: 100%;
    }

    .custom-build-hero-section .col-md-3 {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .custom-build-hero-section .input-group span {
        padding-right: 8px !important;
        padding-left: 2px !important;
    }

    .pc-configurator-section.mt-4.mb-4 {
        padding: 18px 12px 32px;
    }

    .pc-configurator-section.mt-4.mb-4 > .container.py-5 {
        padding: 24px 16px !important;
        border-radius: 6px;
    }

    #thumbnailContainer {
        flex-direction: row !important;
        justify-content: center;
        order: 2;
        gap: 8px !important;
        padding: 4px 0 14px;
    }

    #thumbnailContainer > span {
        flex: 0 0 100%;
        text-align: center;
    }

    #thumbnailContainer .img-thumbnail {
        width: 68px;
        max-width: 68px;
        height: 68px;
    }

    #caseTitle {
        margin: 4px 0 16px !important;
        font-size: 23px;
    }

    .pc-configurator-section #mainCaseImage {
        width: min(100%, 320px);
        height: 280px;
        max-height: 280px !important;
        margin: 0 4px !important;
    }

    .pc-configurator-section .nav-btn {
        width: 38px;
        height: 38px;
        font-size: 24px;
    }

    .pc-configurator-section .d-flex.align-items-center.justify-content-between {
        gap: 8px !important;
    }

    .pc-configurator-section .row.justify-content-center.mt-5.text-center > .col-auto {
        min-width: 160px;
    }

    .pc-configurator-section .row.justify-content-center.mt-4 > .col-md-6 {
        flex-direction: column;
        gap: 10px !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pc-configurator-section #thumbnailContainer *,
    .pc-configurator-section .nav-btn,
    #prevStepBtn,
    #addToBuildBtn {
        transition-duration: 0.01ms !important;
    }
}