/* ============================================================
   Service Page — Section 7: Technologies
   Split explorer · category rail (hover/tap) → matching panel
   Each category carries its own brand-family accent, shared by
   the rail item and its panel (--cat-start / --cat-end / --cat-rgb).
   ============================================================ */

.svc-tech {
    position: relative;
    background: var(--color-bg);
    isolation: isolate;
}

/* Faint dotted texture behind the section */
.svc-tech::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: radial-gradient(rgba(var(--color-primary-rgb), 0.06) 1px, transparent 1px);
    background-size: 26px 26px;
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 25%, #000 10%, transparent 72%);
    mask-image: radial-gradient(ellipse 70% 60% at 50% 25%, #000 10%, transparent 72%);
    pointer-events: none;
}

/* ── Shell ────────────────────────────────────────────────── */
.svc-tech__box {
    display: grid;
    grid-template-columns: minmax(280px, 27%) 1fr;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* ── Left rail ────────────────────────────────────────────── */
.svc-tech__rail {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--color-border);
    background: linear-gradient(180deg, #FCFAFE, var(--color-bg-white));
}

.svc-tech__cat {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-4);
    flex: 1 0 auto; /* items share the rail height so it never ends short */
    width: 100%;
    padding: clamp(1rem, 1.7vw, 1.35rem) clamp(1rem, 1.6vw, 1.4rem);
    text-align: left;
    background: none;
    border: 0;
    border-bottom: 1px solid var(--color-border);
    font-family: inherit;
    color: var(--color-dark);
    cursor: pointer;
    transition: color var(--transition);
}
.svc-tech__rail .svc-tech__cat:last-child { border-bottom: 0; }

/* The accent wash slides in behind the content on hover/active */
.svc-tech__cat::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(120deg, var(--cat-start), var(--cat-end));
    opacity: 0;
    transition: opacity var(--transition);
}
.svc-tech__cat.is-active::before { opacity: 1; }
.svc-tech__cat > * { position: relative; z-index: 1; }

.svc-tech__cat:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -3px;
}

/* Icon chip */
.svc-tech__cat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    flex: none;
    border-radius: var(--radius-lg);
    background: rgba(var(--cat-rgb), 0.1);
    color: var(--cat-start);
    box-shadow: inset 0 0 0 1px rgba(var(--cat-rgb), 0.14);
    transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.svc-tech__cat-icon svg { width: 26px; height: 26px; }
.svc-tech__cat-icon img { width: 26px; height: 26px; object-fit: contain; }

.svc-tech__cat-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}
.svc-tech__cat-name {
    font-size: 1.02rem;
    font-weight: 700;
    line-height: 1.3;
    color: inherit;
}
.svc-tech__cat-desc {
    font-size: 0.83rem;
    line-height: 1.45;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

/* Chevron */
.svc-tech__cat-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    flex: none;
    border-radius: var(--radius-full);
    background: var(--color-bg);
    color: var(--color-text-muted);
    box-shadow: inset 0 0 0 1px var(--color-border);
    transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.svc-tech__cat-arrow svg { width: 15px; height: 15px; }

/* Hover (non-active) — a light accent tint hint */
@media (hover: hover) {
    .svc-tech__cat:not(.is-active):hover .svc-tech__cat-icon {
        background: rgba(var(--cat-rgb), 0.18);
        transform: scale(1.05);
    }
    .svc-tech__cat:not(.is-active):hover .svc-tech__cat-arrow {
        color: var(--cat-start);
        transform: translateX(3px);
    }
}

/* Active state — solid accent, everything inverts to white */
.svc-tech__cat.is-active { color: #fff; }
.svc-tech__cat.is-active .svc-tech__cat-desc { color: rgba(255, 255, 255, 0.82); }
.svc-tech__cat.is-active .svc-tech__cat-icon {
    background: #fff;
    color: var(--cat-start);
    box-shadow: 0 6px 18px rgba(var(--color-dark-rgb), 0.18);
}
.svc-tech__cat.is-active .svc-tech__cat-arrow {
    background: #fff;
    color: var(--cat-start);
    box-shadow: none;
    transform: translateX(2px);
}

/* ── Right stage ──────────────────────────────────────────── */
.svc-tech__stage {
    display: grid;
    /* JS sets --stage-h to the active panel's height so the card resizes
       smoothly instead of always sitting at the tallest panel. Without JS
       the row falls back to auto (tallest panel wins — nothing is clipped). */
    grid-template-rows: var(--stage-h, auto);
    align-content: center; /* short panels sit centred against the tall rail */
    overflow: hidden;
    transition: grid-template-rows var(--transition-slow);
    padding: clamp(1.5rem, 3vw, 2.6rem);
    background:
        radial-gradient(ellipse 60% 55% at 100% 0%, rgba(var(--color-accent-rgb), 0.07), transparent 70%),
        var(--color-bg-white);
    min-width: 0;
}

/* All panels share one grid cell so the box never jumps height.
   Inactive panels use visibility:hidden — removed from the a11y
   tree and tab order, but still measured for the tallest layout. */
.svc-tech__panel {
    grid-area: 1 / 1;
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.35fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: start;
    align-self: start; /* natural height, so JS can measure each panel */
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity var(--transition-slow), transform var(--transition-slow), visibility var(--transition-slow);
}
.svc-tech__panel.is-active {
    opacity: 1;
    visibility: visible;
    transform: none;
}
.svc-tech__panel:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 6px;
    border-radius: var(--radius-lg);
}

/* Intro column */
.svc-tech__intro {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    min-width: 0;
}

.svc-tech__pill {
    display: inline-block;
    padding: 0.42rem 0.95rem;
    border-radius: var(--radius-full);
    background: rgba(var(--cat-rgb), 0.1);
    color: var(--cat-start);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.svc-tech__panel-title {
    margin: 0;
    font-size: clamp(1.5rem, 2.4vw, 2rem);
    font-weight: 800;
    line-height: 1.22;
    color: var(--color-dark);
    letter-spacing: -0.01em;
}
.svc-tech__hl {
    background: linear-gradient(120deg, var(--cat-start), var(--cat-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.svc-tech__panel-text {
    margin: 0;
    font-size: 0.97rem;
    line-height: 1.7;
    color: var(--color-text-muted);
}

.svc-tech__rule {
    width: 64px;
    height: 3px;
    border-radius: var(--radius-full);
    background: linear-gradient(90deg, var(--cat-start), var(--cat-end));
}

.svc-tech__count {
    font-size: 0.86rem;
    color: var(--color-text-muted);
}
.svc-tech__count strong {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--cat-start);
}

.svc-tech__art {
    margin: 0;
    width: 100%;
}
.svc-tech__art img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
}

/* ── Tech grid ────────────────────────────────────────────── */
.svc-tech__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
    gap: clamp(0.7rem, 1.4vw, 1rem);
    margin: 0;
    padding: 0;
    list-style: none;
    min-width: 0;
}

.svc-tech-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    text-align: center;
    padding: clamp(1rem, 1.8vw, 1.4rem) var(--space-3);
    min-height: 124px;
    border-radius: var(--radius-xl);
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.svc-tech-tile:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--cat-rgb), 0.45);
    box-shadow: 0 10px 26px rgba(var(--cat-rgb), 0.16);
}

.svc-tech-tile__logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--tile);
    background: rgba(var(--tile-rgb), 0.12);
    transition: transform var(--transition), background var(--transition), color var(--transition);
}
.svc-tech-tile__logo.has-img { background: var(--color-bg); }
.svc-tech-tile__logo img { width: 34px; height: 34px; object-fit: contain; }

.svc-tech-tile:hover .svc-tech-tile__logo { transform: scale(1.08); }
.svc-tech-tile:hover .svc-tech-tile__logo:not(.has-img) {
    background: var(--tile);
    color: #fff;
}

.svc-tech-tile__name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-dark);
    line-height: 1.3;
}

/* ── Responsive ───────────────────────────────────────────── */

/* Desktop — a steady 3-across logo grid, as in the design */
@media (min-width: 1181px) {
    .svc-tech__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Narrow desktop — intro stacks above the grid */
@media (max-width: 1180px) {
    .svc-tech__panel { grid-template-columns: 1fr; }
    .svc-tech__art { max-width: 380px; }
}

/* Tablet & below — rail becomes a horizontal, scrollable tab strip */
@media (max-width: 900px) {
    .svc-tech__box {
        grid-template-columns: 1fr;
        border-radius: var(--radius-xl);
    }

    .svc-tech__rail {
        flex-direction: row;
        border-right: 0;
        border-bottom: 1px solid var(--color-border);
        overflow-x: auto;
        scroll-snap-type: x proximity;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .svc-tech__rail::-webkit-scrollbar { display: none; }

    .svc-tech__cat {
        grid-template-columns: auto 1fr;
        flex: 0 0 auto;
        width: auto;
        min-width: 210px;
        gap: var(--space-3);
        padding: var(--space-4);
        border-bottom: 0;
        border-right: 1px solid var(--color-border);
        scroll-snap-align: center;
    }
    .svc-tech__rail .svc-tech__cat:last-child { border-right: 0; }

    .svc-tech__cat-icon { width: 44px; height: 44px; }
    .svc-tech__cat-icon svg,
    .svc-tech__cat-icon img { width: 22px; height: 22px; }
    .svc-tech__cat-name { font-size: 0.95rem; }
    .svc-tech__cat-desc { display: none; }
    .svc-tech__cat-arrow { display: none; }

    .svc-tech__stage { padding: clamp(1.25rem, 4vw, 2rem); }
    .svc-tech__panel { gap: var(--space-6); }
    .svc-tech__art { max-width: 320px; }
}

/* Phone */
@media (max-width: 640px) {
    .svc-tech__grid { grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); }
    .svc-tech-tile {
        min-height: 108px;
        gap: var(--space-2);
        padding: var(--space-4) var(--space-2);
    }
    .svc-tech-tile__logo { width: 42px; height: 42px; font-size: 1.1rem; }
    .svc-tech-tile__logo img { width: 28px; height: 28px; }
    .svc-tech-tile__name { font-size: 0.8rem; }

    .svc-tech__cat { min-width: 168px; }
    .svc-tech__pill { font-size: 0.66rem; }
}

/* ── Reduced motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .svc-tech__cat,
    .svc-tech__cat::before,
    .svc-tech__cat-icon,
    .svc-tech__cat-arrow,
    .svc-tech__stage,
    .svc-tech__panel,
    .svc-tech-tile,
    .svc-tech-tile__logo { transition: none; }
    .svc-tech__panel { transform: none; }
}