/* ==========================================================================
   Use Cases — modern public-page presentation.
   Extends the consulting/about visual language without changing page content.
   ========================================================================== */

.usecase-detail-page,
.usecases-page {
    background:
        radial-gradient(1100px 560px at 15% 0%, rgba(157, 26, 1, .2), transparent 60%),
        radial-gradient(900px 560px at 92% 8%, rgba(200, 167, 93, .1), transparent 55%),
        #000;
    color: var(--ccf-fg);
}

.usecase-detail-page main {
    background: transparent;
    overflow: visible;
}

body.usecases-page {
    overflow-x: hidden;
    overflow-y: auto;
}

.usecase-detail-page .ccf-hero {
    background:
        radial-gradient(900px 460px at 12% 0%, rgba(157, 26, 1, .18), transparent 66%),
        radial-gradient(720px 420px at 88% 16%, rgba(200, 167, 93, .08), transparent 62%),
        linear-gradient(180deg, rgba(255, 255, 255, .024), transparent 58%);
    border-bottom: 0;
    padding: clamp(4.5rem, 9vw, 7.5rem) 0 clamp(3.5rem, 7vw, 5rem);
}

.usecase-detail-page .ccf-hero .row {
    align-items: center;
}

.usecase-detail-page .ccf-hero .col-lg-7 {
    width: 100%;
}

.usecase-detail-page .ccf-hero h1 {
    font-size: clamp(2.8rem, 7vw, 5.6rem);
    font-weight: 800;
    letter-spacing: -.01em;
    line-height: 1.05;
    max-width: 980px;
}

.usecase-detail-page .algo-highlight {
    border-bottom: 0;
    color: var(--gold);
}

.usecase-detail-page .ccf-hero .ccf-kicker {
    color: var(--ccf-muted) !important;
    display: block;
    font-size: clamp(1.02rem, 2vw, 1.22rem);
    letter-spacing: 0;
    line-height: 1.7;
    max-width: 46rem;
    text-transform: none;
}

.use-case-poster {
    aspect-ratio: 16 / 9;
    background:
        linear-gradient(145deg, rgba(12, 14, 20, .94), rgba(3, 4, 8, .96));
    border: 1px solid rgba(200, 167, 93, .28);
    border-radius: 1.25rem !important;
    box-shadow: 0 28px 80px rgba(0, 0, 0, .42) !important;
    height: clamp(260px, 42vw, 520px);
    object-fit: contain;
    object-position: center;
    padding: .75rem;
    width: min(100%, 880px);
}

.usecase-detail-page main > section {
    background: transparent;
    border-bottom: 0;
    isolation: isolate;
    padding-block: clamp(4.25rem, 8vw, 7rem);
    position: relative;
}

.usecase-detail-page main > section > .container {
    position: relative;
    z-index: 1;
}

.usecase-detail-page main > hr.ccf-hr {
    display: none;
}

.usecase-detail-page .ccf-notebook {
    background: rgba(4, 4, 4, .72);
    border-radius: 1.25rem;
    padding: clamp(1.5rem, 3vw, 2.25rem);
}

.usecase-detail-page main > section.hero,
.usecase-detail-page main > section.footer {
    align-items: initial;
    background: transparent;
    display: block;
    min-height: auto;
    overflow: visible;
    position: relative;
    text-align: left;
}

.usecase-detail-page main > section.hero::after {
    content: none;
}

.usecase-detail-page main > section.hero .container {
    position: static;
    z-index: auto;
}

.usecase-detail-page main > section.hero h1 {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 800;
    letter-spacing: -.01em;
    line-height: 1.14;
    margin-bottom: 1rem;
    max-width: 920px;
}

.usecase-detail-page main h2,
.usecase-detail-page main h3,
.usecases-page h2,
.usecases-page h3 {
    letter-spacing: -.01em;
}

.usecase-detail-page main h2 {
    font-size: clamp(1.9rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 2rem;
}

.usecase-detail-page main p {
    color: var(--ccf-muted);
    line-height: 1.75;
    max-width: 48rem;
}

.usecase-detail-page main .hero p,
.usecase-detail-page main .footer p {
    font-size: clamp(1.02rem, 2vw, 1.18rem);
}

.usecase-detail-page .grid,
.usecase-detail-page .pipeline {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

.usecase-detail-page .card,
.usecase-detail-page .ccf-card,
.usecase-detail-page .pipeline > div {
    background: rgba(8, 8, 8, .9);
    border: 1px solid var(--ccf-border);
    border-radius: 1.25rem;
    box-shadow: 0 1.5rem 3.5rem rgba(0, 0, 0, .28);
    color: var(--ccf-fg);
    font-weight: 600;
    line-height: 1.65;
    padding: 1.5rem;
    transition: background .16s ease, border-color .16s ease, transform .16s ease;
}

.usecase-detail-page .card:hover,
.usecase-detail-page .ccf-card:hover,
.usecase-detail-page .pipeline > div:hover {
    background: rgba(14, 14, 14, .96);
    border-color: rgba(200, 167, 93, .34);
    transform: translateY(-3px);
}

.usecase-detail-page .card strong,
.usecase-detail-page .ccf-card strong,
.usecase-detail-page .pipeline > div {
    color: var(--gold);
}

.usecase-detail-page main .hero .btn:not(.btn-ccf):not(.btn-outline-ccf),
.usecases-page .usecases-btn-primary {
    align-items: center;
    background: var(--gold);
    border: 1px solid var(--gold);
    border-radius: 999px;
    color: #17110e;
    display: inline-flex;
    font-weight: 800;
    gap: .5rem;
    justify-content: center;
    margin: .35rem .5rem .35rem 0;
    min-height: 48px;
    padding: .9rem 1.5rem;
    text-decoration: none;
    transition: background .16s ease, color .16s ease, transform .16s ease;
}

.usecase-detail-page main .hero .btn:not(.btn-ccf):not(.btn-outline-ccf):hover,
.usecases-page .usecases-btn-primary:hover {
    background: #fff;
    border-color: #fff;
    color: #17110e;
    transform: translateY(-1px);
}

.usecase-membership-cta {
    background:
        radial-gradient(900px 480px at 50% 0%, rgba(157, 26, 1, .12), transparent 66%),
        linear-gradient(180deg, transparent, rgba(255, 255, 255, .018) 42%, transparent);
    border-bottom: 0;
    padding-block: clamp(4rem, 8vw, 6.5rem);
    text-align: center;
}

.usecase-membership-panel {
    background: linear-gradient(145deg, rgba(13, 13, 13, .96), rgba(5, 5, 5, .98));
    border: 1px solid var(--ccf-border);
    border-radius: 1.25rem;
    box-shadow: 0 2rem 5rem rgba(0, 0, 0, .36);
    margin-inline: auto;
    max-width: 980px;
    padding: clamp(1.6rem, 4vw, 3rem);
}

.usecase-membership-panel h2 {
    color: var(--ccf-fg);
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 800;
    letter-spacing: -.01em;
    line-height: 1.12;
}

.usecase-membership-panel p {
    color: var(--ccf-muted);
    margin-inline: auto;
    max-width: 48rem;
}

.usecase-transformation-visual {
    align-items: center;
    aspect-ratio: 16 / 9;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(246, 223, 176, .18);
    border-radius: 1rem;
    display: flex;
    justify-content: center;
    margin: clamp(1.5rem, 4vw, 2.5rem) auto;
    overflow: hidden;
    width: 100%;
}

.usecase-transformation-visual img {
    display: block;
    height: 100%;
    object-fit: contain;
    width: 100%;
}

.usecase-membership-actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: .85rem;
    justify-content: center;
}

.usecase-detail-page .usecase-membership-actions .btn,
.usecases-page .usecase-membership-actions .btn {
    margin: 0;
}

.usecase-detail-page .footer {
    background:
        radial-gradient(900px 480px at 50% 0%, rgba(157, 26, 1, .1), transparent 66%),
        linear-gradient(180deg, transparent, rgba(255, 255, 255, .015));
}

.usecase-detail-page .footer .container,
.usecase-detail-page .fade-in .container,
.usecase-detail-page .py-5 .container {
    max-width: 1120px;
}

.usecase-detail-page .ccf-callout {
    background: rgba(18, 16, 10, .92);
    border: 1px solid rgba(200, 167, 93, .28);
    border-left: 4px solid var(--gold);
    border-radius: 1rem;
    color: var(--ccf-fg);
    padding: 1.1rem 1.25rem;
}

.usecases-page .usecases-section,
.usecases-page .usecases-hero {
    border-color: var(--ccf-border);
}

.usecases-page .usecases-use-card,
.usecases-page .usecases-card,
.usecases-page .usecases-panel,
.usecases-page .usecases-loop-step,
.usecases-page .usecases-pipeline-row {
    background: var(--ccf-card);
    border-color: var(--ccf-border);
    border-radius: 1.25rem;
}

.usecases-page .usecases-section-title,
.usecases-page .usecases-hero h1 {
    font-weight: 800;
}

.usecases-page .usecases-flow,
.usecases-page .usecases-workflow span {
    border-radius: 999px;
}

@media (max-width: 767.98px) {
    .usecase-detail-page .ccf-hero {
        padding-top: 3.5rem;
    }

    .use-case-poster {
        height: clamp(220px, 72vw, 420px);
        width: 100%;
    }

    .usecase-detail-page main > section.hero,
    .usecase-detail-page main > section.footer {
        text-align: left;
    }

    .usecase-detail-page .btn {
        margin-right: 0;
        width: 100%;
    }
}