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@media(max-width:1100px){.xuc-hero-grid{grid-template-columns:1fr}.xuc-thesis-grid{grid-template-columns:1fr}.stages{grid-template-columns:repeat(3,1fr)}.sources{grid-template-columns:repeat(3,1fr)}.xuc-board{grid-template-columns:repeat(2,1fr)}.xuc-edr{grid-template-columns:1fr}.xuc-edr>b{text-align:center}}
@media(max-width:850px){.xuc-kpis,.xuc-dual-grid,.xuc-blast-grid,.xuc-trust-lab,.xuc-risk-grid,.xuc-egress,.xuc-evidence-grid,.xuc-adaptive,.case-study-xuc-grid{grid-template-columns:1fr}.xuc-fusion-row{grid-template-columns:1fr}.xuc-fusion-row>b{text-align:center}.sources,.outputs{grid-template-columns:1fr}.events{grid-template-columns:repeat(4,1fr)}}
@media(max-width:650px){.xuc-section-head{align-items:flex-start;flex-direction:column}.xuc-prism-stage{min-height:430px}.xuc-timeline .track{left:7px}.xuc-timeline article{grid-template-columns:20px 1fr;gap:10px}.xuc-timeline time{grid-column:2;text-align:left;padding:0}.xuc-timeline article>i{grid-column:1;grid-row:1/span 2;margin-top:5px}.xuc-timeline article>div{grid-column:2}.stages,.xuc-board{grid-template-columns:1fr}.targets{grid-template-columns:1fr}.events{grid-template-columns:repeat(2,1fr)}.case-study-xuc-special{padding:26px 20px}.case-study-xuc-special:before{display:none}}
@media(prefers-reduced-motion:reduce){.xfinity-use-case-shell *,.xfinity-use-case-shell *:before,.xfinity-use-case-shell *:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.xuc-timeline article{opacity:1;transform:none}}

/* ============================================================
   UC-SPECIAL-001 — VISUAL CORRECTION
   Scope:
   1. White-card text contrast
   2. Lusquan-blue footer
   3. Existing landing light-mode compatibility

   No layout, animation, sizing or structural changes.
   ============================================================ */


/* ------------------------------------------------------------
   1. WHITE CARD CONTRAST
   ------------------------------------------------------------ */

/* Executive-premise white cards */
.xfinity-use-case-shell .xuc-thesis-grid article:not(.emphasis){
    color:#071827;
}

.xfinity-use-case-shell .xuc-thesis-grid article:not(.emphasis) h3{
    color:#071827 !important;
}

.xfinity-use-case-shell .xuc-thesis-grid article:not(.emphasis) p{
    color:#38536b !important;
}


/* High-risk transaction white cards */
.xfinity-use-case-shell .xuc-risk-grid article{
    color:#071827;
}

.xfinity-use-case-shell .xuc-risk-grid article h3{
    color:#071827 !important;
}

.xfinity-use-case-shell .xuc-risk-grid article li{
    color:#38536b !important;
}

.xfinity-use-case-shell .xuc-risk-grid .low small{
    color:#08785a !important;
}

.xfinity-use-case-shell .xuc-risk-grid .medium small{
    color:#9a6400 !important;
}

.xfinity-use-case-shell .xuc-risk-grid .high small{
    color:#b4233b !important;
}


/* Blast-radius white cards */
.xfinity-use-case-shell .xuc-blast-card{
    color:#071827;
}

.xfinity-use-case-shell .xuc-blast-card > small,
.xfinity-use-case-shell .xuc-blast-card > h3,
.xfinity-use-case-shell .xuc-blast-card .meter label,
.xfinity-use-case-shell .xuc-blast-card .meter > b{
    color:#29465e !important;
}

.xfinity-use-case-shell .xuc-blast-card > h3{
    color:#071827 !important;
}


/* EDR / layered-defence white cards only.
   The central TShield card deliberately remains dark. */
.xfinity-use-case-shell .xuc-edr article:not(.tshield){
    color:#071827;
}

.xfinity-use-case-shell .xuc-edr article:not(.tshield) strong{
    color:#071827 !important;
}

.xfinity-use-case-shell .xuc-edr article:not(.tshield) p{
    color:#38536b !important;
}

.xfinity-use-case-shell .xuc-edr article:not(.tshield) small{
    color:#0077b8 !important;
}


/* ------------------------------------------------------------
   2. FOOTER — LUSQUAN BLUE
   ------------------------------------------------------------ */

.xfinity-use-case-shell .landing-footer{
    background:#0099ff !important;
    color:#ffffff !important;
}

.xfinity-use-case-shell .landing-footer span,
.xfinity-use-case-shell .landing-footer a{
    color:#ffffff !important;
}


/* ------------------------------------------------------------
   3. XFINITY USE-CASE — LIGHT MODE
   Uses the site's existing body.landing-light state.
   Dark mode remains exactly as designed.
   ------------------------------------------------------------ */

body.landing-light.xfinity-use-case-shell{
    background:#f4f9fd;
    color:#071827;
}

body.landing-light.xfinity-use-case-shell .case-study-section{
    background:#f4f9fd;
}

body.landing-light.xfinity-use-case-shell .case-study-section.case-study-dark{
    background:linear-gradient(
        135deg,
        #eaf6ff 0%,
        #eef7ff 55%,
        #f4efff 100%
    );
}


/* Section headings and normal copy */
body.landing-light.xfinity-use-case-shell
.xuc-section-head:not(.dark) h2,
body.landing-light.xfinity-use-case-shell
.xuc-section-head.dark h2{
    color:#071827 !important;
}

body.landing-light.xfinity-use-case-shell
.case-study-intro{
    color:#38536b !important;
}


/* Preserve dark visual/technical panels as deliberate contrast */
body.landing-light.xfinity-use-case-shell
.xuc-incident-panel,
body.landing-light.xfinity-use-case-shell
.xuc-topology,
body.landing-light.xfinity-use-case-shell
.xuc-trust-chart,
body.landing-light.xfinity-use-case-shell
.xuc-trust-decision,
body.landing-light.xfinity-use-case-shell
.xuc-simulator,
body.landing-light.xfinity-use-case-shell
.xuc-egress .chart,
body.landing-light.xfinity-use-case-shell
.xuc-egress aside,
body.landing-light.xfinity-use-case-shell
.xuc-architecture,
body.landing-light.xfinity-use-case-shell
.xuc-board article,
body.landing-light.xfinity-use-case-shell
.xuc-evidence-grid article,
body.landing-light.xfinity-use-case-shell
.xuc-boundary,
body.landing-light.xfinity-use-case-shell
.xuc-quote,
body.landing-light.xfinity-use-case-shell
.xuc-adaptive,
body.landing-light.xfinity-use-case-shell
.xuc-edr .tshield{
    color:#ffffff;
}


/* Timeline cards need dark copy when their section becomes light */
body.landing-light.xfinity-use-case-shell
.xuc-timeline article > div{
    background:#ffffff;
    border-color:rgba(0,119,184,.20);
}

body.landing-light.xfinity-use-case-shell
.xuc-timeline article > div strong{
    color:#071827 !important;
}

body.landing-light.xfinity-use-case-shell
.xuc-timeline article > div p{
    color:#38536b !important;
}

body.landing-light.xfinity-use-case-shell
.xuc-timeline .track{
    opacity:.72;
}


/* Board/CISO cards */
body.landing-light.xfinity-use-case-shell
.xuc-board article{
    background:#ffffff;
    border-color:rgba(0,119,184,.20);
}

body.landing-light.xfinity-use-case-shell
.xuc-board article small{
    color:#0077b8;
}

body.landing-light.xfinity-use-case-shell
.xuc-board article span{
    color:#49657c;
}

body.landing-light.xfinity-use-case-shell
.xuc-board article strong{
    color:#b4233b;
}

body.landing-light.xfinity-use-case-shell
.xuc-board article .positive{
    color:#08785a;
}


/* Control matrix */
body.landing-light.xfinity-use-case-shell
.case-study-table{
    background:#ffffff;
    color:#071827;
}

body.landing-light.xfinity-use-case-shell
.case-study-table tbody td{
    color:#29465e;
    background:#ffffff;
}


/* Keep analytical disclaimer readable */
body.landing-light.xfinity-use-case-shell
.xuc-disclaimer{
    background:#fff7ed !important;
}

body.landing-light.xfinity-use-case-shell
.xuc-disclaimer h3{
    color:#9a3412 !important;
}

body.landing-light.xfinity-use-case-shell
.xuc-disclaimer p{
    color:#7c2d12 !important;
}


/* Footer deliberately remains corporate blue in BOTH modes */
body.landing-light.xfinity-use-case-shell .landing-footer,
body.landing-dark-mode.xfinity-use-case-shell .landing-footer{
    background:#0099ff !important;
    color:#ffffff !important;
}