.site-header,
.site-footer {
    display: none;
}

/* Phase 6 mobile/header QA refinements */
.dt-masthead .dt-mobile-menu-toggle {
    justify-self: end;
}

.dt-ticker a,
.dt-ticker div span {
    white-space: nowrap;
}

@media (max-width: 880px) {
    .dt-utility {
        justify-content: center;
        overflow: hidden;
    }

    .dt-masthead {
        grid-template-columns: 1fr auto;
    }

    .dt-masthead .dt-button,
    .dt-mobile-menu {
        grid-column: 1 / -1;
    }

    .dt-nav {
        justify-content: stretch;
        overflow: visible;
        padding-bottom: 0;
        white-space: normal;
    }

    .dt-menu--utility {
        width: 100%;
        justify-content: space-between;
        gap: 10px;
        font-size: 0.62rem;
    }

    .dt-menu--primary {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        padding-top: 8px;
    }

    .dt-menu--primary a {
        display: flex;
        align-items: center;
        min-height: 40px;
        padding: 0 12px;
        border: 1px solid rgba(255, 255, 255, 0.13);
        border-radius: var(--dt-radius-sm);
        background: rgba(255, 255, 255, 0.045);
    }

    .dt-section h2,
    .dt-section--compact h2 {
        font-size: clamp(1.55rem, 6.2vw, 2.05rem);
    }
}

@media (max-width: 520px) {
    .dt-utility {
        padding-block: 6px;
    }

    .dt-menu--utility {
        display: grid;
        grid-template-columns: repeat(3, auto);
        justify-content: start;
        overflow: hidden;
    }

    .dt-menu--utility li:nth-child(n + 4) {
        display: none;
    }

    .dt-brand__name {
        font-size: 1.75rem;
    }

    .dt-brand__tagline {
        font-size: 0.6rem;
        letter-spacing: 0.14em;
    }

    .dt-partner .dt-split {
        padding-inline: 2px;
    }

    .dt-partner h2 {
        font-size: clamp(1.5rem, 6vw, 1.95rem);
    }

    .dt-action-grid a,
    .dt-story a,
    .dt-list a,
    .dt-vendor-grid article,
    .dt-issue-card,
    .dt-newsletter-form {
        padding: 18px;
    }
}

/* Phase 10 final cascade layer */
.dt-brand {
    display: inline-grid;
    gap: 7px;
    position: relative;
}

.dt-brand::before {
    content: "";
    width: 46px;
    height: 3px;
    background: linear-gradient(90deg, var(--dt-color-red-600), rgba(255, 255, 255, 0.72), var(--dt-color-blue-300));
}

.dt-brand__name {
    font-weight: 700;
    letter-spacing: 0.01em;
}

.dt-brand__tagline {
    max-width: 320px;
    color: rgba(255, 255, 255, 0.8);
}

.dt-masthead .dt-button {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 28px rgba(184, 32, 47, 0.24);
}

.dt-feature-grid {
    align-items: stretch;
}

.dt-story a {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.dt-story-media,
.dt-issue-card__cover {
    margin: 0 0 18px;
    overflow: hidden;
    border-radius: var(--dt-radius-sm);
    background: linear-gradient(135deg, rgba(16, 45, 76, 0.08), rgba(184, 32, 47, 0.06));
}

.dt-story-media {
    aspect-ratio: 16 / 10;
}

.dt-story-media img,
.dt-issue-card__cover img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 360ms ease;
}

.dt-story a:hover .dt-story-media img,
.dt-issue-card:hover .dt-issue-card__cover img {
    transform: scale(1.025);
}

.dt-vendor-logo--home {
    width: 48px;
    margin-bottom: 18px;
}

.dt-vendor-grid article small {
    display: inline-flex;
    margin-top: auto;
    padding-top: 14px;
    color: var(--dt-color-muted);
    font: 800 0.68rem/1.35 var(--dt-font-ui);
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.dt-vendor-logo.is-image,
.dt-vendor-logo--home.is-image {
    object-fit: contain;
    padding: 8px;
    background: rgba(255, 255, 255, 0.86);
}

.dt-issue-card {
    display: grid;
    align-content: start;
}

.dt-issue-card__cover {
    width: min(230px, 100%);
    aspect-ratio: 4 / 5.3;
    box-shadow: 0 18px 42px rgba(7, 21, 37, 0.24);
}

.dt-newsletter-form .dt-sponsor-placeholder {
    margin-top: 14px;
}

@media (max-width: 1000px) {
    .dt-utility,
    .dt-masthead,
    .dt-ticker,
    .dt-hero__inner,
    .dt-container,
    .dt-hero__content,
    .dt-hero-panel,
    .dt-split > *,
    .dt-section-head,
    .dt-action-grid,
    .dt-feature-grid,
    .dt-vendor-grid {
        width: min(680px, 100%) !important;
        max-width: min(680px, 100%) !important;
    }

    .dt-hero {
        min-height: auto;
    }
}

@media (max-width: 520px) {
    .dt-brand::before {
        width: 34px;
        height: 2px;
    }

    .dt-story-media {
        aspect-ratio: 1.35;
        margin-bottom: 14px;
    }

    .dt-issue-card__cover {
        width: min(180px, 100%);
    }
}

@media (max-width: 760px) {
    .dt-home,
    .dt-hero,
    .dt-hero__inner,
    .dt-hero__content,
    .dt-hero-panel,
    .dt-partner,
    .dt-signals,
    .dt-featured,
    .dt-marketing,
    .dt-marketplace,
    .dt-sponsor-architecture,
    .dt-magazine,
    .dt-newsletter {
        max-width: 100vw !important;
        overflow-x: hidden;
    }

    .dt-utility,
    .dt-masthead,
    .dt-ticker,
    .dt-hero__inner,
    .dt-container,
    .dt-hero__content,
    .dt-hero-panel,
    .dt-split > *,
    .dt-section-head,
    .dt-action-grid,
    .dt-feature-grid,
    .dt-vendor-grid {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
    }

    .dt-hero h1,
    .dt-dek,
    .dt-proof,
    .dt-section h2,
    .dt-section p,
    .dt-section--compact h2,
    .dt-section--compact p {
        width: min(100%, 330px) !important;
        inline-size: min(100%, 330px) !important;
        max-width: 330px !important;
        max-inline-size: 330px !important;
        overflow-wrap: break-word !important;
        word-break: normal !important;
    }

    .dt-hero h1 {
        font-size: clamp(1.45rem, 7vw, 1.72rem) !important;
        line-height: 1.08 !important;
    }

    .dt-section h2,
    .dt-section--compact h2 {
        font-size: clamp(1.55rem, 6.8vw, 1.95rem) !important;
        line-height: 1.12 !important;
    }

    .dt-kicker {
        max-width: 100%;
        overflow-wrap: anywhere;
    }

    .dt-hero-panel .dt-sponsor-placeholder {
        width: 100%;
        min-width: 0;
    }
}

/* Phase 10 brand and editorial polish */
.dt-brand {
    display: inline-grid;
    gap: 7px;
    position: relative;
}

.dt-brand::before {
    content: "";
    width: 46px;
    height: 3px;
    background: linear-gradient(90deg, var(--dt-color-red-600), rgba(255, 255, 255, 0.72), var(--dt-color-blue-300));
}

.dt-brand__name {
    font-weight: 700;
    letter-spacing: 0.01em;
}

.dt-brand__tagline {
    max-width: 320px;
    color: rgba(255, 255, 255, 0.8);
}

.dt-masthead .dt-button {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 28px rgba(184, 32, 47, 0.24);
}

.dt-feature-grid {
    align-items: stretch;
}

.dt-story a {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.dt-story-media,
.dt-issue-card__cover {
    margin: 0 0 18px;
    overflow: hidden;
    border-radius: var(--dt-radius-sm);
    background: linear-gradient(135deg, rgba(16, 45, 76, 0.08), rgba(184, 32, 47, 0.06));
}

.dt-story-media {
    aspect-ratio: 16 / 10;
}

.dt-story-media img,
.dt-issue-card__cover img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 360ms ease;
}

.dt-story a:hover .dt-story-media img,
.dt-issue-card:hover .dt-issue-card__cover img {
    transform: scale(1.025);
}

.dt-vendor-logo--home {
    width: 48px;
    margin-bottom: 18px;
}

.dt-vendor-grid article small {
    display: inline-flex;
    margin-top: auto;
    padding-top: 14px;
    color: var(--dt-color-muted);
    font: 800 0.68rem/1.35 var(--dt-font-ui);
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.dt-vendor-logo.is-image,
.dt-vendor-logo--home.is-image {
    object-fit: contain;
    padding: 8px;
    background: rgba(255, 255, 255, 0.86);
}

.dt-issue-card {
    display: grid;
    align-content: start;
}

.dt-issue-card__cover {
    width: min(230px, 100%);
    aspect-ratio: 4 / 5.3;
    box-shadow: 0 18px 42px rgba(7, 21, 37, 0.24);
}

.dt-sponsor-placeholder {
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(243, 246, 250, 0.72)),
        var(--dt-color-surface);
}

.dt-sponsor-placeholder strong {
    max-width: 240px;
}

.dt-newsletter-form .dt-sponsor-placeholder {
    margin-top: 14px;
}

@media (max-width: 1000px) {
    .dt-utility,
    .dt-masthead,
    .dt-ticker,
    .dt-hero__inner,
    .dt-container,
    .dt-hero__content,
    .dt-hero-panel,
    .dt-split > *,
    .dt-section-head,
    .dt-action-grid,
    .dt-feature-grid,
    .dt-vendor-grid {
        width: min(680px, 100%) !important;
        max-width: min(680px, 100%) !important;
    }

    .dt-hero {
        min-height: auto;
    }
}

@media (max-width: 520px) {
    .dt-brand::before {
        width: 34px;
        height: 2px;
    }

    .dt-story-media {
        aspect-ratio: 1.35;
        margin-bottom: 14px;
    }

    .dt-issue-card__cover {
        width: min(180px, 100%);
    }
}

@media (max-width: 760px) {
    .dt-hero {
        padding-inline: 16px !important;
    }

    .dt-utility,
    .dt-masthead,
    .dt-ticker,
    .dt-hero__inner,
    .dt-container {
        width: 100% !important;
        max-width: 100% !important;
    }

    .dt-masthead {
        grid-template-columns: minmax(0, 1fr) auto !important;
    }

    .dt-masthead .dt-button,
    .dt-mobile-menu {
        grid-column: 1 / -1 !important;
    }

    .dt-mobile-menu-toggle {
        max-width: 92px;
    }

    .dt-hero__content,
    .dt-hero-panel,
    .dt-split > *,
    .dt-section-head,
    .dt-section h2,
    .dt-section p,
    .dt-section--compact h2,
    .dt-section--compact p,
    .dt-action-grid,
    .dt-feature-grid,
    .dt-vendor-grid {
        width: min(100%, calc(100vw - 32px)) !important;
        max-width: calc(100vw - 32px) !important;
    }

    .dt-hero h1,
    .dt-dek,
    .dt-proof,
    .dt-section h2,
    .dt-section p {
        max-width: 100% !important;
        overflow-wrap: break-word;
    }

    .dt-hero h1 {
        font-size: clamp(1.7rem, 6.2vw, 2.1rem) !important;
        line-height: 1.12 !important;
        inline-size: calc(100vw - 32px) !important;
        max-inline-size: calc(100vw - 32px) !important;
        white-space: normal !important;
        overflow-wrap: anywhere !important;
    }

    .dt-dek,
    .dt-proof {
        font-size: 1rem !important;
        inline-size: calc(100vw - 32px) !important;
        max-inline-size: calc(100vw - 32px) !important;
        white-space: normal !important;
        overflow-wrap: anywhere !important;
    }
}

@media (max-width: 1000px) {
    .dt-hero {
        padding-inline: 16px !important;
    }

    .dt-utility,
    .dt-masthead,
    .dt-ticker,
    .dt-hero__inner,
    .dt-container,
    .dt-hero__content,
    .dt-hero-panel,
    .dt-split > *,
    .dt-section-head,
    .dt-action-grid,
    .dt-feature-grid,
    .dt-vendor-grid {
        width: min(358px, 100%) !important;
        max-width: min(358px, 100%) !important;
        margin-inline: 0 !important;
    }

    .dt-masthead {
        grid-template-columns: minmax(0, 1fr) auto !important;
    }

    .dt-mobile-menu-toggle {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
    }

    .dt-mobile-menu {
        display: none;
    }

    .dt-mobile-menu.is-open {
        display: block;
    }

    .dt-masthead .dt-button,
    .dt-mobile-menu {
        grid-column: 1 / -1 !important;
    }

    .dt-hero__inner,
    .dt-split,
    .dt-feature-grid,
    .dt-vendor-grid,
    .dt-action-grid {
        grid-template-columns: 1fr !important;
    }

    .dt-hero h1,
    .dt-dek,
    .dt-proof,
    .dt-section h2,
    .dt-section p,
    .dt-section--compact h2,
    .dt-section--compact p {
        width: 100% !important;
        max-width: 100% !important;
        white-space: normal !important;
        overflow-wrap: anywhere !important;
    }

    .dt-hero h1 {
        font-size: clamp(1.7rem, 6.2vw, 2.1rem) !important;
        line-height: 1.12 !important;
    }
}

.home .site.grid-container,
.home .site-content,
.home .container.grid-container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
}

.dt-home {
    background: var(--dt-color-paper);
    overflow-x: hidden;
}

.dt-hero {
    min-height: 760px;
    padding: 12px clamp(18px, 3vw, 42px) clamp(42px, 7vw, 92px);
    color: var(--dt-color-white);
    background:
        radial-gradient(circle at 74% 22%, rgba(143, 184, 232, 0.22), transparent 31%),
        linear-gradient(135deg, var(--dt-color-navy-800), var(--dt-color-navy-950));
    overflow: hidden;
}

.dt-utility,
.dt-masthead,
.dt-ticker,
.dt-hero__inner {
    width: min(1220px, 100%);
    margin-inline: auto;
}

.dt-menu {
    display: flex;
    align-items: center;
    gap: inherit;
    margin: 0;
    padding: 0;
    list-style: none;
}

.dt-menu li {
    margin: 0;
}

.dt-utility {
    display: flex;
    justify-content: flex-end;
    gap: 18px;
    padding-block: 8px;
    font: 600 0.72rem/1 var(--dt-font-ui);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.dt-utility a,
.dt-nav a,
.dt-menu a,
.dt-ticker a,
.dt-read-link {
    color: inherit;
    text-decoration: none;
}

.dt-masthead {
    display: grid;
    grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.7fr) auto;
    align-items: center;
    gap: 28px;
    padding-block: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.dt-brand {
    color: var(--dt-color-white);
    text-decoration: none;
}

.dt-brand__name {
    display: block;
    font-family: var(--dt-font-display);
    font-size: clamp(1.65rem, 3vw, 2.7rem);
    line-height: 0.95;
}

.dt-brand__tagline {
    display: block;
    margin-top: 7px;
    color: rgba(255, 255, 255, 0.74);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.dt-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(13px, 1.5vw, 23px);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.dt-nav a,
.dt-menu a,
.dt-utility a {
    opacity: 0.78;
    transition: opacity var(--dt-transition), color var(--dt-transition);
}

.dt-nav a:hover,
.dt-menu a:hover,
.dt-utility a:hover {
    opacity: 1;
    color: var(--dt-color-blue-300);
}

.dt-ad-sample {
    width: 100%;
    min-height: 96px;
    display: grid;
    place-items: center;
    padding: 18px;
    border: 1px solid rgba(16, 45, 76, 0.16);
    border-radius: var(--dt-radius-md);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(232, 237, 244, 0.78));
    color: var(--dt-color-ink);
    font: 800 0.72rem/1.35 var(--dt-font-ui);
    letter-spacing: 0.12em;
    text-align: center;
    text-transform: uppercase;
}

.dt-hero-panel .dt-ad-sample,
.dt-sponsor-architecture .dt-ad-sample,
.dt-issue-card .dt-ad-sample {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.16);
    color: rgba(255, 255, 255, 0.76);
}

.dt-ticker {
    display: flex;
    gap: 18px;
    overflow: hidden;
    padding-block: 13px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.78rem;
}

.dt-ticker > span {
    color: var(--dt-color-red-500);
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    white-space: nowrap;
}

.dt-ticker div {
    display: flex;
    gap: 22px;
    min-width: max-content;
    animation: dtTicker 28s linear infinite;
}

@keyframes dtTicker {
    from { transform: translateX(0); }
    to { transform: translateX(-35%); }
}

.dt-hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.62fr);
    gap: clamp(40px, 8vw, 112px);
    align-items: end;
    padding-top: clamp(76px, 11vw, 132px);
}

.dt-kicker,
.dt-hero__category {
    color: var(--dt-color-red-500);
    font: 800 0.74rem/1 var(--dt-font-ui);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.dt-hero h1 {
    max-width: 860px;
    margin: 18px 0 22px;
    font-size: clamp(3.6rem, 7vw, 6.8rem);
    line-height: 0.92;
}

.dt-dek {
    max-width: 660px;
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: clamp(1.08rem, 1.5vw, 1.34rem);
    line-height: 1.55;
}

.dt-proof,
.dt-meta {
    color: rgba(255, 255, 255, 0.7);
}

.dt-meta {
    display: flex;
    gap: 16px;
    margin-top: 20px;
    font-size: 0.82rem;
}

.dt-read-link {
    display: inline-flex;
    margin-top: 28px;
    color: var(--dt-color-white);
    font-weight: 800;
    border-bottom: 1px solid var(--dt-color-red-500);
}

.dt-hero-panel {
    padding: clamp(24px, 3vw, 34px);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--dt-radius-md);
    background: rgba(7, 21, 37, 0.54);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.24);
}

.dt-hero-panel .dt-sponsor-placeholder {
    margin-block: 18px;
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.14);
}

.dt-hero-panel__note span,
.dt-story span,
.dt-list span,
.dt-vendor-grid span,
.dt-issue-card span {
    color: var(--dt-color-red-600);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.dt-hero-panel__note strong {
    display: block;
    margin-top: 8px;
    font-family: var(--dt-font-display);
    font-size: 1.6rem;
}

.dt-hero-panel__note p {
    color: rgba(255, 255, 255, 0.72);
}

.dt-split {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    gap: clamp(30px, 6vw, 78px);
    align-items: center;
}

.dt-section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}

.dt-section h2,
.dt-section--compact h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 4rem);
    line-height: 1;
}

.dt-section p,
.dt-section--compact p {
    font-size: 1.04rem;
    line-height: 1.7;
}

.dt-partner,
.dt-marketplace,
.dt-newsletter {
    background: var(--dt-color-surface);
}

.dt-action-grid,
.dt-feature-grid,
.dt-vendor-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.dt-action-grid a,
.dt-story a,
.dt-list a,
.dt-vendor-grid article,
.dt-issue-card,
.dt-newsletter-form {
    color: var(--dt-color-ink);
    text-decoration: none;
    border: 1px solid var(--dt-color-line);
    border-radius: var(--dt-radius-md);
    background: rgba(255, 255, 255, 0.75);
    box-shadow: var(--dt-shadow-subtle);
}

.dt-action-grid a {
    padding: 22px;
    font-weight: 800;
}

.dt-signal-row {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px;
}

.dt-signal-row a {
    flex: 0 0 auto;
    padding: 10px 15px;
    border: 1px solid var(--dt-color-line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.64);
    color: var(--dt-color-ink);
    font-weight: 700;
    text-decoration: none;
}

.dt-feature-grid {
    grid-template-columns: 1.2fr 0.8fr;
}

.dt-story:first-child {
    grid-row: span 2;
}

.dt-story a,
.dt-list a,
.dt-vendor-grid article,
.dt-issue-card,
.dt-newsletter-form {
    display: block;
    padding: clamp(20px, 3vw, 34px);
}

.dt-story h3,
.dt-vendor-grid h3 {
    margin: 12px 0;
    font-family: var(--dt-font-display);
    font-size: clamp(1.35rem, 2.2vw, 2.3rem);
    line-height: 1.08;
}

.dt-list {
    display: grid;
    gap: 12px;
}

.dt-list strong {
    display: block;
    margin-block: 8px;
    font-family: var(--dt-font-display);
    font-size: 1.35rem;
    line-height: 1.14;
}

.dt-sponsor-architecture {
    background: var(--dt-color-navy-800);
    color: var(--dt-color-white);
}

.dt-sponsor-architecture .dt-sponsor-placeholder {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.18);
}

.dt-magazine {
    background: linear-gradient(135deg, #f7f5f1, #e8edf4);
}

.dt-issue-card {
    min-height: 330px;
    background: linear-gradient(145deg, var(--dt-color-navy-900), var(--dt-color-navy-800));
    color: var(--dt-color-white);
}

.dt-issue-card strong {
    display: block;
    margin: 12px 0 72px;
    font-family: var(--dt-font-display);
    font-size: 3.2rem;
    line-height: 0.95;
}

.dt-newsletter-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 800;
}

.dt-newsletter-form input {
    width: 100%;
    min-height: 48px;
    margin-bottom: 12px;
    padding: 0 14px;
    border: 1px solid var(--dt-color-line);
    border-radius: var(--dt-radius-sm);
}

@media (max-width: 880px) {
    html,
    body {
        overflow-x: hidden;
    }

    .dt-hero {
        min-height: auto;
        padding-bottom: 44px;
    }

    .dt-utility {
        justify-content: flex-start;
        max-width: 100%;
        min-width: 0;
        overflow-x: auto;
        white-space: nowrap;
    }

    .dt-utility a,
    .dt-nav a,
    .dt-menu a,
    .dt-ticker a {
        flex: 0 0 auto;
    }

    .dt-masthead {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .dt-nav {
        justify-content: flex-start;
        max-width: 100%;
        min-width: 0;
        overflow-x: auto;
        padding-bottom: 4px;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .dt-ticker {
        max-width: 100%;
    }

    .dt-ticker div {
        animation: none;
        overflow-x: auto;
        max-width: 100%;
        min-width: 0;
        -webkit-overflow-scrolling: touch;
    }

    .dt-masthead .dt-button {
        width: 100%;
    }

    .dt-hero__inner,
    .dt-split,
    .dt-feature-grid,
    .dt-vendor-grid,
    .dt-action-grid {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        grid-template-columns: 1fr;
    }

    .dt-hero__inner {
        padding-top: 48px;
    }

    .dt-hero h1 {
        max-width: 100%;
        font-size: clamp(1.85rem, 7vw, 2.45rem);
        line-height: 1.08;
        overflow-wrap: anywhere;
    }

    .dt-dek,
    .dt-proof,
    .dt-hero-panel__note p,
    .dt-section p,
    .dt-section--compact p {
        max-width: 100%;
    }

    .dt-section h2,
    .dt-section--compact h2 {
        font-size: clamp(1.7rem, 6.8vw, 2.3rem);
        line-height: 1.08;
    }

    .dt-section-head {
        display: block;
    }
}

/* Phase 9 real-content polish */
.dt-hero__inner {
    padding-top: clamp(58px, 8.2vw, 108px);
}

.dt-hero h1 {
    max-width: 800px;
    font-size: clamp(3.15rem, 5.85vw, 5.65rem);
    line-height: 0.98;
}

.dt-hero-panel .dt-sponsor-placeholder,
.dt-sponsor-architecture .dt-sponsor-placeholder,
.dt-issue-card .dt-sponsor-placeholder,
.dt-newsletter-form .dt-sponsor-placeholder {
    min-height: 88px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.035));
    border-color: rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.84);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.035);
}

.dt-story a,
.dt-list a,
.dt-vendor-grid article,
.dt-action-grid a,
.dt-newsletter-form {
    transition: transform var(--dt-transition), box-shadow var(--dt-transition), border-color var(--dt-transition);
}

.dt-story a:hover,
.dt-list a:hover,
.dt-vendor-grid article:hover,
.dt-action-grid a:hover {
    border-color: rgba(184, 32, 47, 0.22);
    box-shadow: var(--dt-shadow-premium);
    transform: translateY(-2px);
}

@media (max-width: 880px) {
    .dt-hero__inner {
        padding-top: 42px;
    }

    .dt-hero h1 {
        font-size: clamp(2rem, 8.2vw, 2.95rem) !important;
        line-height: 1.06 !important;
    }
}

/* Phase 6 overrides must remain after the base home rules. */
.dt-masthead .dt-mobile-menu-toggle {
    justify-self: end;
}

.dt-ticker a,
.dt-ticker div span {
    white-space: nowrap;
}

@media (max-width: 880px) {
    .dt-utility {
        justify-content: center;
        overflow: hidden;
    }

    .dt-masthead {
        grid-template-columns: 1fr auto;
    }

    .dt-masthead .dt-button,
    .dt-mobile-menu {
        grid-column: 1 / -1;
    }

    .dt-nav {
        justify-content: stretch;
        overflow: visible;
        padding-bottom: 0;
        white-space: normal;
    }

    .dt-menu--utility {
        width: 100%;
        justify-content: space-between;
        gap: 10px;
        font-size: 0.62rem;
    }

    .dt-menu--primary {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        padding-top: 8px;
    }

    .dt-menu--primary a {
        display: flex;
        align-items: center;
        min-height: 40px;
        padding: 0 12px;
        border: 1px solid rgba(255, 255, 255, 0.13);
        border-radius: var(--dt-radius-sm);
        background: rgba(255, 255, 255, 0.045);
    }

    .dt-section h2,
    .dt-section--compact h2 {
        font-size: clamp(1.55rem, 6.2vw, 2.05rem);
    }
}

@media (max-width: 520px) {
    .dt-menu--utility {
        display: grid;
        grid-template-columns: repeat(3, auto);
        justify-content: start;
        overflow: hidden;
    }

    .dt-menu--utility li:nth-child(n + 4) {
        display: none;
    }

    .dt-brand__name {
        font-size: 1.75rem;
    }

    .dt-brand__tagline {
        font-size: 0.6rem;
        letter-spacing: 0.14em;
    }

    .dt-partner h2 {
        font-size: clamp(1.5rem, 6vw, 1.95rem);
    }

    .dt-action-grid a,
    .dt-story a,
    .dt-list a,
    .dt-vendor-grid article,
    .dt-issue-card,
    .dt-newsletter-form {
        padding: 18px;
    }
}

/* Phase 10 true final overrides */
.dt-brand {
    display: inline-grid;
    gap: 7px;
    position: relative;
}

.dt-brand::before {
    content: "";
    width: 46px;
    height: 3px;
    background: linear-gradient(90deg, var(--dt-color-red-600), rgba(255, 255, 255, 0.72), var(--dt-color-blue-300));
}

.dt-brand__name {
    font-weight: 700;
    letter-spacing: 0.01em;
}

.dt-brand__tagline {
    max-width: 320px;
    color: rgba(255, 255, 255, 0.8);
}

.dt-masthead .dt-button {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 28px rgba(184, 32, 47, 0.24);
}

.dt-story a {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.dt-story-media,
.dt-issue-card__cover {
    margin: 0 0 18px;
    overflow: hidden;
    border-radius: var(--dt-radius-sm);
    background: linear-gradient(135deg, rgba(16, 45, 76, 0.08), rgba(184, 32, 47, 0.06));
}

.dt-story-media {
    aspect-ratio: 16 / 10;
}

.dt-story-media img,
.dt-issue-card__cover img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 360ms ease;
}

.dt-story a:hover .dt-story-media img,
.dt-issue-card:hover .dt-issue-card__cover img {
    transform: scale(1.025);
}

.dt-vendor-logo--home {
    width: 48px;
    margin-bottom: 18px;
}

.dt-vendor-grid article small {
    display: inline-flex;
    margin-top: auto;
    padding-top: 14px;
    color: var(--dt-color-muted);
    font: 800 0.68rem/1.35 var(--dt-font-ui);
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.dt-vendor-logo.is-image,
.dt-vendor-logo--home.is-image {
    object-fit: contain;
    padding: 8px;
    background: rgba(255, 255, 255, 0.86);
}

.dt-issue-card {
    display: grid;
    align-content: start;
}

.dt-issue-card__cover {
    width: min(230px, 100%);
    aspect-ratio: 4 / 5.3;
    box-shadow: 0 18px 42px rgba(7, 21, 37, 0.24);
}

@media (max-width: 1000px) {
    .dt-utility,
    .dt-masthead,
    .dt-ticker,
    .dt-hero__inner,
    .dt-container,
    .dt-hero__content,
    .dt-hero-panel,
    .dt-split > *,
    .dt-section-head,
    .dt-action-grid,
    .dt-feature-grid,
    .dt-vendor-grid {
        width: min(680px, 100%) !important;
        max-width: min(680px, 100%) !important;
    }

    .dt-hero {
        min-height: auto;
    }
}

@media (max-width: 520px) {
    .dt-brand::before {
        width: 34px;
        height: 2px;
    }

    .dt-story-media {
        aspect-ratio: 1.35;
        margin-bottom: 14px;
    }

    .dt-issue-card__cover {
        width: min(180px, 100%);
    }
}