/* ==========================================================
   CDS Journey — Public Test Series catalogue (Phase 21C)
   Namespace: .rd-test-series*
   Practice / evaluation product — NOT Batches ecommerce cards.
   Palette: Navy / Olive / Gold — no lavender.
   ========================================================== */

.rd-test-series {
    --ts-navy: #1A2B4C;
    --ts-navy-deep: #142038;
    --ts-olive: #4B5320;
    --ts-gold: #D4AF37;
    --ts-gold-hover: #C49F28;
    --ts-ink: #1D1D1F;
    --ts-muted: #6C757D;
    --ts-border: #E9ECEF;
    --ts-surface: #FFFFFF;
    --ts-bg: #F8F9FB;
    --ts-soft: #EEF1F5;
    --ts-radius: 10px;
    background: var(--ts-bg);
    color: var(--ts-ink);
    font-family: "Inter", system-ui, sans-serif;
}

.rd-test-series a:link,
.rd-test-series a:visited {
    text-decoration: none;
}

/* —— Hero —— */
.rd-test-series__hero {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--ts-border);
    background: var(--ts-surface);
}

.rd-test-series__hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.rd-test-series__hero-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
    opacity: 0.55;
}

.rd-test-series__hero-scrim {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(105deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.82) 40%, rgba(248, 249, 251, 0.45) 70%, rgba(248, 249, 251, 0.2) 100%),
        linear-gradient(0deg, rgba(26, 43, 76, 0.08) 0%, transparent 45%);
}

.rd-test-series__hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 1.5rem;
    align-items: end;
    /* padding-block only — preserve .rd-container padding-inline */
    padding-block: 2.25rem 2rem;
    min-height: 14rem;
}

.rd-test-series__hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0 0 0.85rem;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ts-olive);
}

.rd-test-series__hero-eyebrow-bar {
    display: inline-block;
    width: 2px;
    height: 0.95rem;
    background: var(--ts-gold);
    flex-shrink: 0;
}

.rd-test-series__title {
    margin: 0 0 0.55rem;
    font-family: "Fraunces", Georgia, serif;
    font-size: clamp(2.1rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.08;
    color: var(--ts-navy);
}

.rd-test-series__hero-lead {
    margin: 0 0 0.65rem;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--ts-navy);
}

.rd-test-series__hero-copy-text {
    margin: 0;
    max-width: 34rem;
    font-size: 0.98rem;
    line-height: 1.55;
    color: var(--ts-muted);
}

.rd-test-series__hero-aside {
    margin: 0 0 0.35rem;
    justify-self: end;
    text-align: right;
    font-family: "Fraunces", Georgia, serif;
    font-size: clamp(1.05rem, 1.8vw, 1.35rem);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ts-navy);
    opacity: 0.72;
    max-width: 11rem;
}

/* —— Capability strip —— */
.rd-test-series__caps {
    background: #F4F1EA;
    border-bottom: 1px solid var(--ts-border);
}

.rd-test-series__caps-list {
    list-style: none;
    margin: 0;
    padding: 1rem 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem 1.25rem;
}

.rd-test-series__cap {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
}

.rd-test-series__cap-icon {
    flex-shrink: 0;
    width: 2.35rem;
    height: 2.35rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--ts-surface);
    color: var(--ts-olive);
    border: 1px solid var(--ts-border);
}

.rd-test-series__cap-label {
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--ts-navy);
}

/* —— Filters —— */
.rd-test-series__filters {
    background: var(--ts-surface);
    border-bottom: 1px solid var(--ts-border);
    padding: 1rem 0;
}

.rd-test-series__filters-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.85rem;
}

.rd-test-series__exam-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.rd-test-series__exam-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.35rem;
    padding: 0.4rem 0.95rem;
    border-radius: 999px;
    border: 1px solid var(--ts-border);
    background: var(--ts-surface);
    color: var(--ts-navy);
    font-size: 0.8125rem;
    font-weight: 600;
    transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.rd-test-series__exam-chip:hover {
    border-color: var(--ts-navy);
    color: var(--ts-navy);
}

.rd-test-series__exam-chip.is-active {
    background: var(--ts-olive);
    border-color: var(--ts-olive);
    color: #FFFFFF;
}

.rd-test-series__exam-chip:focus-visible {
    outline: 2px solid var(--ts-gold);
    outline-offset: 2px;
}

/* —— Body layout —— */
.rd-test-series__body {
    /* padding-block only — preserve .rd-container padding-inline */
    padding-block: 1.75rem 2.5rem;
}

.rd-test-series__layout {
    display: grid;
    grid-template-columns: minmax(0, 2.15fr) minmax(15rem, 0.9fr);
    gap: 1.5rem 1.75rem;
    align-items: start;
}

.rd-test-series__list-head {
    margin-bottom: 1.15rem;
}

.rd-test-series__list-title {
    margin: 0 0 0.25rem;
    font-family: "Fraunces", Georgia, serif;
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--ts-navy);
}

.rd-test-series__list-count {
    margin: 0;
    font-size: 0.875rem;
    color: var(--ts-muted);
}

.rd-test-series__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

/* —— Horizontal product rows —— */
.rd-test-series__row {
    display: grid;
    grid-template-columns: 10.5rem minmax(0, 1fr);
    gap: 1.15rem 1.25rem;
    padding: 1rem 1.1rem;
    background: var(--ts-surface);
    border: 1px solid var(--ts-border);
    border-radius: var(--ts-radius);
    box-shadow: 0 1px 2px rgba(26, 43, 76, 0.03);
}

.rd-test-series__row-media {
    position: relative;
    width: 10.5rem;
    height: 6.75rem;
    border-radius: 8px;
    overflow: hidden;
    background: linear-gradient(145deg, #1A2B4C 0%, #2a3f66 48%, #4B5320 100%);
    flex-shrink: 0;
}

.rd-test-series__row-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.rd-test-series__row-fallback {
    display: none;
    position: absolute;
    inset: 0;
    flex-direction: column;
    justify-content: flex-end;
    padding: 0.65rem;
    color: #FFFFFF;
}

.rd-test-series__row-media--fallback .rd-test-series__row-fallback,
.rd-test-series__row-media:not(:has(img)) .rd-test-series__row-fallback {
    display: flex;
}

.rd-test-series__row-fallback-brand {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.55rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.75;
}

.rd-test-series__row-fallback-exam {
    font-size: 0.95rem;
    font-weight: 700;
    margin-top: 0.15rem;
}

.rd-test-series__row-fallback-sub {
    font-size: 0.7rem;
    opacity: 0.8;
}

.rd-test-series__row-body {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.rd-test-series__row-heading {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem 0.65rem;
}

.rd-test-series__row-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--ts-navy);
    overflow-wrap: anywhere;
}

.rd-test-series__badge {
    display: inline-flex;
    align-items: center;
    min-height: 1.4rem;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    background: rgba(75, 83, 32, 0.1);
    color: var(--ts-olive);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.rd-test-series__row-sub {
    margin: 0;
    font-size: 0.875rem;
    color: var(--ts-muted);
    line-height: 1.4;
}

.rd-test-series__row-meta {
    list-style: none;
    margin: 0.15rem 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem 1.15rem;
}

.rd-test-series__row-meta li {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8125rem;
    color: var(--ts-muted);
}

.rd-test-series__row-meta-icon {
    color: var(--ts-olive);
    display: inline-flex;
}

.rd-test-series__row-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem 1rem;
    margin-top: 0.35rem;
}

/* —— CTAs (global hover patterns) —— */
.rd-test-series__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 2.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: none;
}

.rd-test-series__cta > [aria-hidden="true"] {
    display: inline-block;
    transition: transform 180ms ease;
}

.rd-test-series__cta--primary {
    border: none;
    background: var(--ts-gold);
    color: var(--ts-ink);
    transition:
        background 180ms ease,
        color 180ms ease,
        transform 180ms ease,
        box-shadow 180ms ease;
}

.rd-test-series__cta--primary:hover {
    background: var(--ts-gold-hover);
    color: var(--ts-ink);
    outline: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(29, 29, 31, 0.1);
}

.rd-test-series__cta--primary:hover > [aria-hidden="true"] {
    transform: translateX(3px);
}

.rd-test-series__cta--primary:active {
    background: #B08D1F;
    transform: translateY(0);
    box-shadow: none;
}

.rd-test-series__cta--secondary {
    border: 1px solid var(--ts-navy);
    background: var(--ts-surface);
    color: var(--ts-navy);
    transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.rd-test-series__cta--secondary:hover {
    background: var(--ts-navy);
    color: #FFFFFF;
    border-color: var(--ts-navy);
    outline: none;
}

.rd-test-series__cta--secondary:active {
    background: var(--ts-navy-deep);
    border-color: var(--ts-navy-deep);
    color: #FFFFFF;
}

.rd-test-series__cta:focus-visible {
    outline: 2px solid var(--ts-gold);
    outline-offset: 2px;
}

.rd-test-series__more {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--ts-navy);
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.rd-test-series__more:hover {
    color: var(--ts-olive);
}

.rd-test-series__more:focus-visible {
    outline: 2px solid var(--ts-gold);
    outline-offset: 2px;
}

/* —— Empty —— */
.rd-test-series__empty {
    padding: 2rem 1.5rem;
    text-align: center;
    background: var(--ts-surface);
    border: 1px solid var(--ts-border);
    border-radius: var(--ts-radius);
}

.rd-test-series__empty-title {
    margin: 0 0 0.5rem;
    font-family: "Fraunces", Georgia, serif;
    font-size: 1.35rem;
    color: var(--ts-navy);
}

.rd-test-series__empty-copy {
    margin: 0 0 1.15rem;
    color: var(--ts-muted);
    line-height: 1.5;
}

/* —— Right rail —— */
.rd-test-series__rail {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: sticky;
    top: 5.5rem;
}

.rd-test-series__why,
.rd-test-series__editorial {
    background: var(--ts-surface);
    border: 1px solid var(--ts-border);
    border-radius: var(--ts-radius);
    padding: 1.2rem 1.15rem;
}

.rd-test-series__why {
    background: var(--ts-soft);
}

.rd-test-series__why-title,
.rd-test-series__editorial-title {
    margin: 0 0 0.85rem;
    font-family: "Fraunces", Georgia, serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--ts-navy);
    line-height: 1.25;
}

.rd-test-series__why-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.rd-test-series__why-list li {
    display: flex;
    gap: 0.55rem;
    align-items: flex-start;
    font-size: 0.875rem;
    line-height: 1.4;
    color: var(--ts-ink);
}

.rd-test-series__why-icon {
    flex-shrink: 0;
    width: 0.45rem;
    height: 0.45rem;
    margin-top: 0.4rem;
    border-radius: 999px;
    background: var(--ts-olive);
}

.rd-test-series__editorial-eyebrow {
    margin: 0 0 0.4rem;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ts-olive);
}

.rd-test-series__editorial-copy {
    margin: 0 0 1rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--ts-muted);
}

.rd-test-series__editorial-visual {
    position: relative;
    margin: 0 0 1rem;
    padding: 1rem 0.85rem 0.75rem;
    background: var(--ts-bg);
    border-radius: 8px;
    border: 1px solid var(--ts-border);
}

.rd-test-series__editorial-bars {
    display: flex;
    align-items: flex-end;
    gap: 0.45rem;
    height: 4.5rem;
}

.rd-test-series__editorial-bar {
    flex: 1;
    border-radius: 4px 4px 0 0;
    background: linear-gradient(180deg, var(--ts-gold) 0%, var(--ts-olive) 100%);
    opacity: 0.85;
}

.rd-test-series__editorial-bar--1 { height: 36%; }
.rd-test-series__editorial-bar--2 { height: 52%; }
.rd-test-series__editorial-bar--3 { height: 68%; }
.rd-test-series__editorial-bar--4 { height: 88%; }

.rd-test-series__editorial-arrow {
    position: absolute;
    top: 0.55rem;
    right: 0.7rem;
    color: var(--ts-gold);
    font-size: 1.1rem;
    font-weight: 700;
}

.rd-test-series__quote {
    margin: 0;
    font-family: "Fraunces", Georgia, serif;
    font-size: 0.95rem;
    font-style: italic;
    line-height: 1.45;
    color: var(--ts-navy);
}

.rd-test-series__quote > [aria-hidden="true"] {
    color: var(--ts-gold);
    font-size: 1.35rem;
    font-style: normal;
    margin-right: 0.15rem;
}

/* —— Batches cross-link —— */
.rd-test-series__cross {
    background: var(--ts-soft);
    border-top: 1px solid var(--ts-border);
    padding: 1.5rem 0;
}

.rd-test-series__cross-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.15rem 1.5rem;
}

.rd-test-series__cross-copy {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    min-width: 0;
    flex: 1 1 18rem;
}

.rd-test-series__cross-icon {
    flex-shrink: 0;
    width: 2.75rem;
    height: 2.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(75, 83, 32, 0.12);
    color: var(--ts-olive);
}

.rd-test-series__cross-title {
    margin: 0 0 0.3rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ts-navy);
}

.rd-test-series__cross-text {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.45;
    color: var(--ts-muted);
}

.rd-test-series__cross-cta {
    flex: 0 0 auto;
    width: auto;
    min-width: 11.5rem;
}

/* —— Responsive —— */
@media (max-width: 1199.98px) {
    .rd-test-series__layout {
        grid-template-columns: minmax(0, 1.7fr) minmax(14rem, 0.95fr);
        gap: 1.25rem;
    }

    .rd-test-series__caps-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767.98px) {
    .rd-test-series__hero-inner {
        grid-template-columns: 1fr;
        min-height: 0;
        padding-block: 1.5rem 1.4rem;
    }

    .rd-test-series__hero-aside {
        justify-self: start;
        text-align: left;
        max-width: none;
        font-size: 0.95rem;
    }

    .rd-test-series__hero-img {
        opacity: 0.4;
    }

    .rd-test-series__caps-list {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .rd-test-series__filters {
        position: static;
    }

    .rd-test-series__layout {
        grid-template-columns: 1fr;
    }

    .rd-test-series__rail {
        position: static;
        order: 2;
    }

    .rd-test-series__row {
        grid-template-columns: 1fr;
        gap: 0.85rem;
        padding: 0.9rem;
    }

    .rd-test-series__row-media {
        width: 100%;
        height: 8.5rem;
    }

    .rd-test-series__row-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .rd-test-series__cta {
        width: 100%;
    }

    .rd-test-series__cross-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .rd-test-series__cross-cta {
        width: 100%;
    }
}

@media (max-width: 414px) {
    .rd-test-series__caps-list {
        grid-template-columns: 1fr;
    }

    .rd-test-series__exam-chip {
        font-size: 0.75rem;
        padding: 0.35rem 0.75rem;
    }
}

@supports not selector(:has(*)) {
    .rd-test-series__row-media .rd-test-series__row-fallback {
        display: none;
    }
    .rd-test-series__row-media--fallback .rd-test-series__row-fallback {
        display: flex;
    }
}